CN104566838B - Fault detection method and device for air conditioner - Google Patents

Abstract

The invention discloses a fault detection method and device of an air conditioner. Wherein, the method comprises the following steps: after receiving a starting signal sent by remote control equipment, the air conditioner enters a fault detection mode, wherein the starting signal carries information of a detected object of the air conditioner; the air conditioner detects whether the detected object is in fault; and generating prompt information of whether the detected object is in fault according to the detection result of whether the detected object is in fault. According to the invention, the problem of low fault detection efficiency caused by the fact that workers need to climb to a ceiling to operate the air conditioner when debugging the air conditioner in the prior art is solved, and the effect of improving the fault detection efficiency of the air conditioner is realized.

Description

Fault detection method and device for air conditioner

technical field

The invention relates to the field of air conditioner control, in particular to a fault detection method and device for an air conditioner.

Background technique

After the fan coil unit at the end of the air conditioner is installed, it needs to be debugged, and the ceiling can only be sealed after the debugging is qualified. In the prior art, the debugging of the fan coil unit is carried out by using the AUTO key on the main board controller. This method requires engineering installation personnel to climb to the ceiling and manually press the AUTO key on the mainboard controller to perform debugging and operation of various air-conditioning modes (such as cooling mode, heating mode, etc.), which is not only time-consuming and labor-intensive but also quite dangerous; and, The AUTO key on the motherboard controller can only switch the air-conditioning mode, but cannot detect the failure of the display lamp board, temperature and related loads (such as temperature sensor package, motor, water valve or water pump, etc.).

Aiming at the problem in the prior art that the staff need to climb to the ceiling to operate the air conditioner when debugging the air conditioner, resulting in low fault detection efficiency, no effective solution has been proposed yet.

Contents of the invention

The main purpose of the present invention is to provide a fault detection method and device for an air conditioner to solve the problem in the prior art that workers need to climb to the ceiling to operate the air conditioner when debugging the air conditioner, resulting in low fault detection efficiency.

In order to achieve the above object, according to an aspect of the embodiment of the present invention, there is provided a fault detection method for an air conditioner, the method comprising: after receiving a start signal sent by a remote control device, the air conditioner enters a fault detection mode, wherein the start The signal carries the information of the detected object of the air conditioner; the air conditioner detects whether the detected object is faulty; and generates prompt information indicating whether the detected object is faulty according to the detection result of whether the detected object is faulty.

Further, the detected objects include at least one of the following: the display light board of the air conditioner, the temperature sensing package of the air conditioner, the ambient temperature of the air conditioner, the surface cooler of the air conditioner, and the load opening status of the air conditioner in the working mode , wherein the working modes include: cooling mode, dehumidification mode, air supply mode and heating mode.

Further, the detected object is a display light board of an air conditioner, and the air conditioner detecting whether the detected object is faulty includes: detecting whether all the mode indicator lights on the display light board are on within a first preset time, wherein the mode indicator light Including: cooling indicator light, dehumidification indicator light, air supply indicator light and heating indicator light; if the mode indicator lights are not all on within the first preset time, it will detect the fault of the detected object; If all lights are on within a preset time, it is detected whether each mode indicator light is on according to the preset order; if each mode indicator light is not on according to the preset order, then a fault of the detected object is detected.

Further, the detected object is the temperature sensing package of the air conditioner, wherein, the air conditioner detects whether the detected object is faulty or not includes: detecting whether the temperature sensing package is powered on; if the temperature sensing package is powered on, it is detected that the detected object is normal; If the package is not powered on, the fault of the detected object is detected; according to the detection result of whether the detected object is faulty, generating the prompt information whether the detected object is faulty includes: if the detection result is that the detected object is faulty, then generate the first alarm signal; The buzzer of the air conditioner alarms according to the first alarm signal; the control display light board displays the corresponding temperature sensor fault code; if the detection result is that the detected object is normal, a second alarm signal is generated; the buzzer of the air conditioner is controlled according to The second alarm signal alarms.

Further, the detected object is the ambient temperature of the air conditioner, and the air conditioner detecting whether the detected object is faulty includes: detecting the ambient temperature in real time; controlling the display lamp board to display the ambient temperature within the third preset time every second preset time; Judging whether the ambient temperature is within the preset temperature range; if the ambient temperature is not within the preset temperature range, it is judged that the detected object is faulty; the detected object is the surface cooler of the air conditioner, and the air conditioner detects whether the detected object is faulty or not includes: Detect the tube temperature of the surface cooler in real time; control the display lamp board to display the tube temperature of the surface cooler within the fourth preset time every second preset time; judge whether the tube temperature of the surface cooler is within the fifth preset time The preset temperature threshold is reached; if the tube temperature of the surface cooler does not reach the preset temperature threshold within the fifth preset time, it is determined that the detected object is faulty.

Further, the detected object is the load on condition of the air conditioner in the working mode, wherein, the air conditioner detects whether the detected object is faulty includes: when the air conditioner is running in the working mode, detecting whether the load is powered; if the load is not powered, Then detect the fault of the detected object; according to the detection result of whether the detected object is faulty, generating the prompt information whether the detected object is faulty includes: if the detection result is that the detected object is faulty, then generate the third alarm signal; The buzzer gives an alarm according to the third alarm signal; the control display light board displays the corresponding load fault code.

In order to achieve the above object, according to another aspect of the embodiment of the present invention, an air conditioner fault detection device is provided, the device includes: a control module, used to control the air conditioner to enter Fault detection mode, wherein the starting signal carries the information of the detected object of the air conditioner; the detection module is used for the air conditioner to detect whether the detected object is faulty; the generating module is used to generate the detected object according to the detection result of whether the detected object is faulty Prompt information whether the detection object is faulty.

Further, the detected objects include at least one of the following: the display light board of the air conditioner, the temperature sensing package of the air conditioner, the ambient temperature of the air conditioner, the surface cooler of the air conditioner, and the load opening status of the air conditioner in the working mode , wherein the working modes include: cooling mode, dehumidification mode, air supply mode and heating mode.

Further, the object to be detected is the display light board of the air conditioner, and the detection module includes: a first detection sub-module, which is used to detect whether the mode indicator lights on the display light board are all on within the first preset time, wherein the mode The indicator lights include: a cooling indicator light, a dehumidification indicator light, an air supply indicator light and a heating indicator light; a first determination module is used to determine whether the mode indicator lights are not all on within the first preset time. The detected object is faulty; the second detection submodule is used to detect whether each mode indicator light is on according to the preset order when all the mode indicator lights are on within the first preset time; the second determination submodule , which is used to determine the detected fault of the detected object when the various mode indicator lights are not lit according to the preset order.

Further, the object to be detected is a temperature-sensing package of an air conditioner, wherein the detection module includes: a third detection sub-module for detecting whether the temperature-sensing package is energized; a third determining sub-module for determining whether the temperature-sensing package is powered Next, it is determined that the detected object is normal; the fourth determining sub-module is used to determine that the detected object is faulty when the temperature sensing package is not powered on; the generating module includes: the first generating sub-module is used for detecting When the result is that the detected object is faulty, generate the first alarm signal; the first control submodule is used to control the buzzer of the air conditioner to alarm according to the first alarm signal; the second control submodule is used to control the display light board Display the corresponding fault code of the temperature sensing package; the second generation submodule is used to generate the second alarm signal when the detection result is that the detected object is normal; the third control submodule is used to control the buzzer of the air conditioner Alarm according to the second alarm signal.

Further, the object to be detected is the ambient temperature of the air conditioner, and the detection module includes: a fourth detection sub-module for real-time detection of the ambient temperature; a fourth control sub-module for controlling the display lamp board at every second preset time The ambient temperature is displayed within the third preset time; the first judging module is used to judge whether the ambient temperature is within the preset temperature range; the fifth determination sub-module is used to determine if the ambient temperature is not within the preset temperature range It is judged that the detected object is faulty; the detected object is the surface cooler of the air conditioner, and the detection module includes: the fifth detection sub-module, which is used to detect the tube temperature of the surface cooler in real time; the fifth control sub-module, which is used for every Two preset time control display lamp panels display the tube temperature of the surface cooler within the fourth preset time; the second judging module is used to judge whether the tube temperature of the surface cooler reaches the preset temperature threshold within the fifth preset time ; The sixth determining sub-module is used to determine and judge that the detected object is faulty when the tube temperature of the surface cooler does not reach the preset temperature threshold within the fifth preset time.

Further, the object to be detected is the load on status of the air conditioner in the working mode, wherein the detection module includes: a sixth detection sub-module for detecting whether the load is powered on when the air conditioner is running in the working mode; the seventh determination The submodule is used to determine the detection of a fault of the detected object when the load is not powered; the generating module includes: a third generating submodule used to generate a third alarm signal when the detection result is a fault of the detected object The sixth control sub-module is used to control the buzzer of the air conditioner to alarm according to the third alarm signal; the seventh control sub-module is used to control the display lamp board to display the corresponding load fault code.

With the embodiment of the present invention, after receiving the starting signal sent by the remote control device (such as a remote controller), the air conditioner enters the fault detection mode; the air conditioner determines the detected object according to the information of the detected object in the starting signal, and detects whether the detected object is Fault: According to the detection result obtained, a prompt message indicating whether the detected object is faulty is generated. In the embodiment of the present invention, the air conditioner enters the fault detection mode through the start signal sent by the remote control device, and the detected object is determined according to the information of the detected object carried by the start signal, so that the operation of the air conditioner can be accurately controlled, and the reliability of the air conditioner is improved. The efficiency of the fault detection of the air conditioner does not require the staff to climb to the ceiling and press the AUTO key on the air conditioner to detect the fault of the air conditioner. Through the embodiments of the present invention, the problem in the prior art that workers need to climb to the ceiling to operate the air conditioner when debugging the air conditioner is solved, resulting in low fault detection efficiency, and the effect of improving the fault detection efficiency of the air conditioner is achieved.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is the flow chart of the fault detection method of the air conditioner according to the embodiment of the present invention;

Fig. 2 is a flow chart of an optional air conditioner fault detection method according to an embodiment of the present invention; and

Fig. 3 is a schematic diagram of a fault detection device for an air conditioner according to an embodiment of the present invention.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for the embodiments of the invention described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

An embodiment of the present invention provides a fault detection method for an air conditioner.

Fig. 1 is a flowchart of a fault detection method for an air conditioner according to an embodiment of the present invention. As shown in Figure 1, the method may include the following steps:

Step S102, after receiving the start signal sent by the remote control device, the air conditioner enters the fault detection mode.

Wherein, the start signal carries the information of the detected object of the air conditioner.

Step S104, the air conditioner detects whether the detected object is faulty.

Step S106, generating prompt information indicating whether the detected object is faulty or not according to the detection result of whether the detected object is faulty.

With the embodiment of the present invention, after receiving the starting signal sent by the remote control device (such as a remote controller), the air conditioner enters the fault detection mode; the air conditioner determines the detected object according to the information of the detected object in the starting signal, and detects whether the detected object is Fault: According to the detection result obtained, a prompt message indicating whether the detected object is faulty is generated. In the embodiment of the present invention, the air conditioner enters the fault detection mode through the start signal sent by the remote control device, and the detected object is determined according to the information of the detected object carried by the start signal, so that the operation of the air conditioner can be accurately controlled, and the reliability of the air conditioner is improved. The efficiency of the fault detection of the air conditioner does not require the staff to climb to the ceiling and press the AUTO key on the air conditioner to detect the fault of the air conditioner. Through the embodiments of the present invention, the problem in the prior art that workers need to climb to the ceiling to operate the air conditioner when debugging the air conditioner is solved, resulting in low fault detection efficiency, and the effect of improving the fault detection efficiency of the air conditioner is realized.

In the embodiment of the present invention, the remote control device may be a remote control, and a corresponding start signal can be generated by pressing a designated button on the remote control. After receiving the start signal, the fan coil unit of the air conditioner will enter forced operation, and the air conditioner The sensor will enter the fault detection mode, and will determine the detected object according to the information of the detected object in the start signal and perform fault detection on it.

According to the above-mentioned embodiments of the present invention, the detected objects may include at least one of the following: the display light board of the air conditioner, the temperature sensing package of the air conditioner, the ambient temperature of the air conditioner, the surface cooler of the air conditioner, and the air conditioner in working mode. The load is turned on under the condition, wherein, the working mode may include: cooling mode, dehumidification mode, air supply mode and heating mode.

In the embodiment of the present invention, the ambient temperature of the air conditioner is the ambient temperature displayed by the air conditioner.

According to the above-mentioned embodiment of the present invention, if the detected object is the display light board of the air conditioner, the air conditioner may detect whether the detected object is faulty may include: detecting whether the mode indicator lights on the display light board are all on within the first preset time , wherein, the mode indicator light may include: a cooling indicator light, a dehumidification indicator light, an air supply indicator light and a heating indicator light; if the mode indicator lights are not all on within the first preset time, it is detected that the detected object is faulty ; If all the mode indicator lights are on within the first preset time, then detect whether each mode indicator light is on according to the preset order; if each mode indicator light is not on according to the preset order, then detect the fault of the detected object .

Specifically, if the detected object is a display light board of an air conditioner, detecting whether the display light board is faulty may include: detecting the mode indicator lights on the display light board (such as the above-mentioned cooling indicator light, dehumidification indicator light, air supply indicator light, etc.) and whether the heating indicator lights) are all on within the first preset time; in the case that the mode indicator lights are all on within the first preset time, it is detected whether each mode indicator light is on according to the preset order; If the mode indicators are not all on within the first preset time, or when the mode indicators are not on in the preset order, it is detected that the display lamp board is faulty; When all lights are on within the set time and each mode indicator light is on in the preset order, it is detected that the display light board is normal.

In the above-mentioned embodiment, the first preset time can be 15 seconds; when the air conditioner is working normally, when the air conditioner is running in a certain working mode (such as cooling mode), the corresponding mode indicator light (such as cooling mode) indicator light) will light up.

In an optional embodiment, after receiving the activation signal sent by the remote control device (the information of the detected object carried in the activation signal is the information of the display lamp panel), the air conditioner enters the fault detection mode, and first controls the display lamp All the mode indicator lights on the board are automatically lit for 15 seconds (i.e. the first preset time in the above-mentioned embodiment), and then each mode indicator light is controlled to light up in sequence according to the preset order, and the lights are automatically cycled for 5 times. During this process, check whether each mode indicator light is on. If a certain mode indicator light is not on, it is detected that the display panel is faulty, and the mode indicator light that is not on is faulty.

In this embodiment, the preset sequence can be the arrangement and combination of the above four mode indicator lights, such as cooling indicator light → dehumidification indicator light → air supply indicator light → heating indicator light, or dehumidification indicator light → cooling indicator light → The sequence of air supply indicator light→heating indicator light and so on.

In the above embodiments of the present invention, if a failure of the display lamp board is detected, the air conditioner can be shut down by pressing the shutdown button on the remote control device (such as a remote controller).

Through the above embodiments of the present invention, the fault detection of the display lamp board of the air conditioner can be realized, and the problem that the display lamp board of the air conditioner cannot be detected in the prior art is solved.

According to the above-mentioned embodiments of the present invention, if the detected object is a temperature sensing package of an air conditioner, wherein the air conditioner detects whether the detected object is faulty may include: detecting whether the temperature sensing package is powered on; if the temperature sensing package is powered on, then detecting the detected The object is normal; if the temperature sensing package is not powered on, the fault of the detected object is detected; according to the detection result of whether the detected object is faulty, generating the prompt information of whether the detected object is faulty may include: if the detection result is that the detected object is faulty, then Generate the first alarm signal; control the buzzer of the air conditioner to alarm according to the first alarm signal; control the display light board to display the corresponding temperature sensor fault code; if the detection result is that the detected object is normal, then generate the second alarm signal; control The buzzer of the air conditioner gives an alarm according to the second alarm signal.

Specifically, if the detected object is a temperature sensing package of an air conditioner, detecting whether the temperature sensing package is faulty may include: detecting whether the temperature sensing package is powered on; when the temperature sensing package is powered on, detecting that the temperature sensing package is normal; When the temperature bulb is not powered on, a temperature sensor failure is detected.

Further, according to the detection result of whether the temperature-sensing package is faulty, generating the prompt information of whether the temperature-sensing package is faulty may include: if the detection result is that the temperature-sensing package is faulty, then generating a first alarm signal, and controlling the buzzer of the air conditioner according to The first alarm signal alarms, and at the same time controls the display light board to display the corresponding temperature sensing package fault code to indicate that the temperature sensing package has failed to facilitate timely repair of the fault; if the detection result is that the temperature sensing package is normal, then generate the second Two alarm signals, and control the buzzer to alarm according to the second alarm signal, to remind the staff that the temperature sensing package is not faulty, so as to facilitate other fault detection.

In the above-mentioned embodiment, the buzzer controlling the air conditioner can be controlled to emit a long beep according to the first alarm signal, and the buzzer can be controlled to sound three times in succession according to the second alarm signal.

In an optional embodiment, the detection circuit can be used to detect whether the temperature-sensing package is energized. If the temperature-sensing package is not energized, a failure of the temperature-sensing package will be detected, and the fault code of the corresponding temperature-sensing package will be displayed on the display lamp board, and at the same time , the buzzer beeps for a long time to remind the staff that the temperature sensing package is faulty, so that the fault can be repaired in time; The temperature bulb has not failed, which is convenient for other fault detection.

In the above embodiments of the present invention, if a fault is detected in the temperature sensing package of the air conditioner, the air conditioner will automatically shut down after the buzzer is controlled to give an alarm and display a corresponding fault code.

Through the above embodiments of the present invention, it is possible to implement fault detection on the temperature sensing package of the air conditioner, which solves the problem in the prior art that the fault detection cannot be performed on the temperature sensing package of the air conditioner.

In the above embodiments of the present invention, if the detected object is the ambient temperature of the air conditioner, the air conditioner detecting whether the detected object is faulty may include: detecting the ambient temperature in real time; Display the ambient temperature within the set time; judge whether the ambient temperature is within the preset temperature range; if the ambient temperature is not within the preset temperature range, it will be judged that the detected object is faulty; Detecting whether the detected object is faulty may include: detecting the tube temperature of the surface cooler in real time; controlling the display lamp board to display the tube temperature of the surface cooler in the fourth preset time every second preset time; judging the tube temperature of the surface cooler. Whether the temperature reaches the preset temperature threshold within the fifth preset time; if the tube temperature of the surface cooler does not reach the preset temperature threshold within the fifth preset time, it is determined that the detected object is faulty.

Specifically, if the detected object is the ambient temperature of the air conditioner, detecting whether the ambient temperature of the air conditioner is faulty may include: detecting the ambient temperature of the air conditioner in real time, and controlling the display light panel to be within the third preset time every second preset time. Display the ambient temperature and judge whether the ambient temperature is within the preset temperature range; if the ambient temperature is not within the preset temperature range, judge the failure of the ambient temperature displayed by the air conditioner; if the ambient temperature is within the preset temperature range In the case of , it is judged that the ambient temperature displayed by the air conditioner is normal.

In the embodiment of the present invention, the ambient temperature of the air conditioner is the ambient temperature displayed by the air conditioner.

The second preset time in the above embodiment can be 1 minute, and the third preset time can be 30 seconds; the preset temperature range can be determined according to the actual indoor temperature of the air conditioner, such as the actual indoor temperature is 25°C , then the preset temperature range can be 23-27°C.

Specifically, if the object to be detected is a surface cooler of an air conditioner, the air conditioner detecting whether the surface cooler is faulty may include: detecting the tube temperature of the surface cooler in real time, and controlling the display lamp board at the fourth preset time every second preset time. Display the tube temperature within the preset time, and judge whether the tube temperature reaches the preset temperature threshold within the fifth preset time; if the tube temperature of the surface cooler does not reach the preset temperature threshold within the fifth preset time, then judge The surface cooler is faulty; if the tube temperature of the surface cooler reaches the preset temperature threshold within the fifth preset time, it is judged that the surface cooler is normal.

The above-mentioned fourth preset time may be 30 seconds, and the fifth preset time may be 1 minute; the preset temperature threshold may be the current tube temperature ±1°C.

In the above-mentioned embodiment, the real-time detection of the tube temperature of the surface cooler can be realized through the tube temperature sensor package of the surface cooler, and the change of the tube temperature of the surface cooler can be used to judge whether the water valve is connected to the surface cooler, as in , when the air conditioner is running in the heating mode, the tube temperature of the surface cooler increases with time (for example, the tube temperature rises by 1°C within one minute), it is judged that the water valve is connected to the surface cooler, if the surface cooler If the tube temperature of the surface cooler does not change, it can be judged that the water valve is not connected to the surface cooler; for another example, when the air conditioner is running in cooling mode, the tube temperature of the surface cooler decreases with time (for example, the tube temperature decreases by 1°C in one minute. ), it is judged that the water valve is connected to the surface cooler, and if the pipe temperature of the surface cooler does not change, it is judged that the water valve is not connected to the surface cooler.

In an optional embodiment, the ambient temperature of the air conditioner and the temperature of the tube temperature sensor of the surface cooler (that is, the tube temperature in the above-mentioned embodiment) are detected in real time, and the display lamp board is controlled to flash at intervals of 1 minute. Display the ambient temperature for 30 seconds, then blink to display the tube temperature for 30 seconds; judge whether the ambient temperature is normal according to the actual indoor temperature of the air conditioner, for example, if the difference between the ambient temperature and the actual indoor temperature is within 1°C, it is judged that the ambient temperature is normal, Otherwise, it is judged that the ambient temperature displayed by the air conditioner is faulty; judge whether the pipe temperature is faulty according to the change of the pipe temperature with time, for example, if the pipe temperature rises or falls by 1°C within 1 minute, it is judged that the surface cooler is normal. If there is no change within 1 minute, it is judged that the surface cooler is faulty.

In the above embodiments of the present invention, if the ambient temperature or the surface cooler fails, the shutdown button on the remote control device (such as a remote controller) can be pressed to shut down the air conditioner to repair the failure.

Through the embodiment of the present invention, the ambient temperature displayed by the air conditioner and the fault detection of the surface cooler can be realized, which solves the problem in the prior art that the fault detection cannot be performed on the ambient temperature of the air conditioner and the tube temperature of the surface cooler; and through Detect the temperature change of the surface cooler tube to judge whether the surface cooler is connected to the water valve, and check the connection between the surface cooler and the water valve in time when the surface cooler fails.

According to the above-mentioned embodiments of the present invention, if the detected object is the load on condition of the air conditioner in the working mode, wherein, the air conditioner detects whether the detected object is faulty may include: when the air conditioner is running in the working mode, detecting whether the load is powered on ; If the load is not energized, a fault of the detected object is detected; according to the detection result of whether the detected object is faulty, generating a prompt message whether the detected object is faulty may include: if the detection result is a fault of the detected object, generating a third alarm signal; control the buzzer of the air conditioner to alarm according to the third alarm signal; the control display light board displays the corresponding load fault code.

In the foregoing embodiments, the load may include: a water valve, a fan, and a water pump of an air conditioner.

Specifically, if the detected object is the load on condition of the air conditioner in the working mode, when the air conditioner is running in the working mode (such as cooling mode), it is detected whether the water valve, fan and water pump of the air conditioner are energized, if the water valve, If the fan and water pump are energized, it will be detected that the detected object is normal. If the water valve, fan or water pump is not energized, it will be detected that the detected object is faulty; if the detection result is that the detected object is faulty, a third alarm signal will be generated and the buzzer will be controlled. The device alarms according to the third alarm signal, and at the same time controls the display lamp board to display the corresponding load fault code.

Wherein, controlling the buzzer to alarm according to the third alarm signal may include: controlling the buzzer to sound twice consecutively.

In an optional embodiment, if the current working mode of the air conditioner is the cooling mode, the air conditioner can be controlled according to a preset switching sequence (for example, cooling mode → dehumidification mode → air supply mode → heating mode → cooling mode) Automatically switch the working mode. Every time the air conditioner switches the working mode, the buzzer will sound once to remind the staff that the working mode of the air conditioner has been switched; when the air conditioner is in a certain working mode (such as dehumidification mode), the dehumidification The indicator light is on, and the air conditioner runs for 5 minutes in each working mode.

When the air conditioner is running in each working mode, it is detected whether the load (such as fan, water valve and water pump, etc.) ; If the load cannot be turned on, the control buzzer will sound twice in a row, and the corresponding load fault code will be displayed on the display panel to remind the staff that a load fault has occurred, so that the fault can be corrected in time.

In the above embodiments of the present invention, if a load failure is detected, the air conditioner will automatically shut down.

Through the above embodiments of the present invention, it is possible to automatically perform fault detection on the load-on status of the air conditioner in the working mode, thereby improving the efficiency of fault detection on the air conditioner.

The above-mentioned embodiment of the present invention will be described in detail below with reference to FIG. 2 . As shown in Figure 2, the method may include the following steps:

Step S202, power on the fan coil unit, and press the start button on the remote controller.

Wherein, the remote controller is the remote control device in the above-mentioned embodiments of the present invention, and the air conditioner is turned on and powered on after pressing the start button on the remote controller.

Step S204, pressing a combined key on the remote controller.

Wherein, the combination key is the designated key in the above-mentioned embodiment of the present invention, and after the combination key is pressed, a start signal will be generated; after receiving the start signal, the air conditioner enters the fault detection mode.

Step S206, judging whether the self-testing process of the display lamp board is completed.

Wherein, when the self-testing process of the display lamp board is completed, step S208 is performed; when the self-testing process of the display lamp board is not completed, step S216 is performed.

Specifically, the realization of the self-inspection process of the display lamp board is consistent with the realization of "the detected object is the display lamp board of the air conditioner, and the air conditioner detects whether the detected object is faulty" in the above-mentioned embodiments of the present invention, and will not be repeated here.

It should be further explained that, when a failure of the display lamp board is detected, it is judged that the self-inspection process of the display lamp board is not completed; when it is detected that the display lamp board is normal, it is judged that the self-inspection process of the display lamp board is completed.

Step S208, judging whether the temperature sensing package failure self-detection process is completed.

Wherein, in the case that the temperature-sensing package failure self-detection process is completed, step S210 is performed; in the case that the temperature-sensing package failure self-detection process is not completed, step S216 is performed.

Specifically, the realization of the self-detection process of the temperature-sensing package failure is consistent with the implementation of "the detected object is the temperature-sensing package of the air conditioner, and the air conditioner detects whether the detected object is faulty" in the above-mentioned embodiments of the present invention, and will not be repeated here.

It should be further explained that when a temperature sensing package failure is detected, it is judged that the temperature sensing package failure self-detection process has not been completed; when it is detected that the temperature sensing package is normal, it is determined that the temperature sensing package failure self-detection process is completed.

Step S210, judging whether the temperature self-detection process is completed.

Wherein, when the temperature self-detection process is completed, step S212 is performed; when the temperature self-detection process is not completed, step S216 is performed.

Specifically, the realization of the temperature self-detection process is similar to that in the above-mentioned embodiments of the present invention "the detected object is the ambient temperature of the air conditioner, and the air conditioner detects whether the detected object is faulty" and "the detected object is the surface cooler of the air conditioner, the air conditioner It is consistent with the implementation of "Detecting whether the detected object is faulty" and will not repeat it here.

It should be further explained that when the ambient temperature fault or the surface cooler fault is detected, it is judged that the temperature self-detection process is not completed; when the ambient temperature is detected to be normal and the surface cooler is normal, it is judged that the temperature self-detection process is completed.

Step S212, judging whether the process of automatically switching the working mode is completed.

Wherein, if the automatic working mode switching process is completed, step S214 is performed; when the working mode automatic switching process is not completed, step S216 is performed.

Step S214, judging whether each load is turned on.

Wherein, when each load is turned on, step S218 is executed; when each load is not turned on, step S216 is executed.

It should be further explained that the implementation of step S212 and step S214 is consistent with the implementation of "the detected object is the load on status of the air conditioner in the working mode, and the air conditioner detects whether the detected object is faulty" in the above-mentioned embodiment of the present invention. This will not be repeated here.

Step S216, the fault detection process is interrupted, and the buzzer gives an alarm prompt.

Step S218, the air conditioner automatically shuts down.

Specifically, after the fault detection is completed, the air conditioner will automatically shut down.

It should be further explained that, if the fault detection process is interrupted, it is necessary to re-power on the fan coil unit after troubleshooting, and re-execute the fault detection of the air conditioner according to step S202.

Through the above-mentioned embodiment of the present invention, the air conditioner is controlled by the program to complete the fault detection, the operation of the air conditioner can be controlled more accurately, and the fault detection operation of the air conditioner can be automatically realized without the need for the staff to climb to the ceiling to operate the air conditioner, which improves the performance of the air conditioner. It improves the efficiency of fault detection of air conditioners, and at the same time ensures the safety of staff.

It should be noted that the steps shown in the flowcharts of the accompanying drawings may be performed in a computer system, such as a set of computer-executable instructions, and that although a logical order is shown in the flowcharts, in some cases, The steps shown or described may be performed in an order different than here.

The embodiment of the invention also provides a fault detection device for an air conditioner. The device can realize its function through the fault detection method of the air conditioner in the above-mentioned embodiments of the present invention.

Fig. 3 is a schematic diagram of a fault detection device for an air conditioner according to an embodiment of the present invention. As shown in Figure 3, the device may include: a control module 10, configured to control the air conditioner to enter the fault detection mode after receiving the start signal sent by the remote control device, wherein the start signal carries the information of the detected object of the air conditioner The detection module 30 is used for the air conditioner to detect whether the detected object is faulty; the generation module 50 is used for generating prompt information whether the detected object is faulty according to the detection result of whether the detected object is faulty.

With the embodiment of the present invention, after receiving the starting signal sent by the remote control device (such as a remote controller), the air conditioner enters the fault detection mode; the air conditioner determines the detected object according to the information of the detected object in the starting signal, and detects whether the detected object is Fault: According to the detection result obtained, a prompt message indicating whether the detected object is faulty is generated. In the embodiment of the present invention, the air conditioner enters the fault detection mode through the start signal sent by the remote control device, and the detected object is determined according to the information of the detected object carried by the start signal, so that the operation of the air conditioner can be accurately controlled, and the reliability of the air conditioner is improved. The efficiency of the fault detection of the air conditioner does not require the staff to climb to the ceiling and press the AUTO key on the air conditioner to detect the fault of the air conditioner. Through the embodiments of the present invention, the problem in the prior art that workers need to climb to the ceiling to operate the air conditioner when debugging the air conditioner is solved, resulting in low fault detection efficiency, and the effect of improving the fault detection efficiency of the air conditioner is realized.

In the embodiment of the present invention, the remote control device may be a remote control, and a corresponding start signal can be generated by pressing a designated button on the remote control. After receiving the start signal, the fan coil unit of the air conditioner will enter forced operation, and the air conditioner The sensor will enter the fault detection mode, and will determine the detected object according to the information of the detected object in the start signal and perform fault detection on it.

According to the above-mentioned embodiments of the present invention, the detected objects may include at least one of the following: the display light board of the air conditioner, the temperature sensing package of the air conditioner, the ambient temperature of the air conditioner, the surface cooler of the air conditioner, and the air conditioner in working mode. The load is turned on under the following conditions, wherein the working modes include: cooling mode, dehumidification mode, air supply mode and heating mode.

In the embodiment of the present invention, the ambient temperature of the air conditioner is the ambient temperature displayed by the air conditioner.

According to the above embodiments of the present invention, if the object to be detected is the display light board of the air conditioner, the detection module may include: a first detection sub-module, used to detect whether the mode indicator lights on the display light board are all within the first preset time. On, wherein, the mode indicator light includes: cooling indicator light, dehumidification indicator light, air supply indicator light and heating indicator light; the first determining module is used for when the mode indicator lights are not all on within the first preset time In the case of , it is determined to detect the fault of the detected object; the second detection sub-module is used to detect whether each mode indicator light is on in a preset order when all the mode indicator lights are on within the first preset time ; The second determination sub-module is used to determine the detection of the fault of the detected object when the various mode indicator lights are not lit according to the preset order.

Specifically, if the detected object is a display light board of an air conditioner, detecting whether the display light board is faulty may include: detecting the mode indicator lights on the display light board (such as the above-mentioned cooling indicator light, dehumidification indicator light, air supply indicator light, etc.) and whether the heating indicator lights) are all on within the first preset time; in the case that the mode indicator lights are all on within the first preset time, it is detected whether each mode indicator light is on according to the preset order; If the mode indicators are not all on within the first preset time, or when the mode indicators are not on in the preset order, it is detected that the display lamp board is faulty; When all lights are on within the set time and each mode indicator light is on in the preset order, it is detected that the display light board is normal.

In the above-mentioned embodiment, the first preset time can be 15 seconds; when the air conditioner is working normally, when the air conditioner is running in a certain working mode (such as cooling mode), the corresponding mode indicator light (such as cooling mode) indicator light) will light up.

In an optional embodiment, after receiving the activation signal sent by the remote control device (the information of the detected object carried in the activation signal is the information of the display lamp panel), the air conditioner enters the fault detection mode, and first controls the display lamp All the mode indicator lights on the board are automatically lit for 15 seconds (i.e. the first preset time in the above-mentioned embodiment), and then each mode indicator light is controlled to light up in sequence according to the preset order, and the lights are automatically cycled for 5 times. During this process, check whether each mode indicator light is on. If a certain mode indicator light is not on, it is detected that the display panel is faulty, and the mode indicator light that is not on is faulty.

In this embodiment, the preset sequence can be the arrangement and combination of the above four mode indicator lights, such as cooling indicator light → dehumidification indicator light → air supply indicator light → heating indicator light, or dehumidification indicator light → cooling indicator light → The sequence of air supply indicator light→heating indicator light and so on.

In the above embodiments of the present invention, if a failure of the display lamp board is detected, the air conditioner can be shut down by pressing the shutdown button on the remote control device (such as a remote controller).

Through the above embodiments of the present invention, the fault detection of the display lamp board of the air conditioner can be realized, and the problem that the display lamp board of the air conditioner cannot be detected in the prior art is solved.

According to the above embodiments of the present invention, the object to be detected is the temperature sensing package of the air conditioner, wherein the detection module may include: a third detection sub-module for detecting whether the temperature sensing package is powered on; When the temperature sensor is powered on, it is determined that the detected object is normal; the fourth determination sub-module is used to determine that the detected object is faulty when the temperature sensor is not powered; the generating module may include: the first generating sub-module module, used to generate a first alarm signal when the detection result is a failure of the detected object; the first control submodule is used to control the buzzer of the air conditioner to alarm according to the first alarm signal; the second control submodule, It is used to control the display light board to display the corresponding temperature sensor package fault code; the second generation submodule is used to generate the second alarm signal when the detection result is that the detected object is normal; the third control submodule is used to control The buzzer of the air conditioner gives an alarm according to the second alarm signal.

Specifically, if the detected object is a temperature sensing package of an air conditioner, detecting whether the temperature sensing package is faulty may include: detecting whether the temperature sensing package is powered on; when the temperature sensing package is powered on, detecting that the temperature sensing package is normal; When the temperature bulb is not powered on, a temperature sensor failure is detected.

Further, according to the detection result of whether the temperature-sensing package is faulty, generating the prompt information of whether the temperature-sensing package is faulty may include: if the detection result is that the temperature-sensing package is faulty, then generating a first alarm signal, and controlling the buzzer of the air conditioner according to The first alarm signal alarms, and at the same time controls the display light board to display the corresponding temperature sensing package fault code to indicate that the temperature sensing package has failed to facilitate timely repair of the fault; if the detection result is that the temperature sensing package is normal, then generate the second Two alarm signals, and control the buzzer to alarm according to the second alarm signal, to remind the staff that the temperature sensing package is not faulty, so as to facilitate other fault detection.

In the above-mentioned embodiment, the buzzer controlling the air conditioner can be controlled to emit a long beep according to the first alarm signal, and the buzzer can be controlled to sound three times in succession according to the second alarm signal.

In an optional embodiment, the detection circuit can be used to detect whether the temperature-sensing package is energized. If the temperature-sensing package is not energized, a failure of the temperature-sensing package will be detected, and the fault code of the corresponding temperature-sensing package will be displayed on the display lamp board, and at the same time , the buzzer beeps for a long time to remind the staff that the temperature sensing package is faulty, so that the fault can be repaired in time; The temperature bulb has not failed, which is convenient for other fault detection.

In the above embodiments of the present invention, if a fault is detected in the temperature sensing package of the air conditioner, the air conditioner will automatically shut down after the buzzer is controlled to give an alarm and display a corresponding fault code.

Through the above embodiments of the present invention, it is possible to implement fault detection on the temperature sensing package of the air conditioner, which solves the problem in the prior art that the fault detection cannot be performed on the temperature sensing package of the air conditioner.

In the above embodiments of the present invention, the object to be detected is the ambient temperature of the air conditioner, and the detection module may include: a fourth detection sub-module for real-time detection of the ambient temperature; a fourth control sub-module for every second preset The time control display lamp board displays the ambient temperature within the third preset time; the first judging module is used to judge whether the ambient temperature is within the preset temperature range; the fifth determination sub-module is used to determine whether the ambient temperature is not within the preset temperature range In the case that the detected object is determined to be faulty; the detected object is the surface cooler of the air conditioner, and the detection module may include: a fifth detection sub-module, which is used to detect the tube temperature of the surface cooler in real time; the fifth control sub-module The module is used to control the display lamp board to display the tube temperature of the surface cooler every second preset time in the fourth preset time; the second judging module is used to judge the tube temperature of the surface cooler in the fifth preset time whether it reaches the preset temperature threshold; the sixth determination sub-module is used to determine and judge the fault of the detected object when the tube temperature of the surface cooler does not reach the preset temperature threshold within the fifth preset time.

Specifically, if the detected object is the ambient temperature of the air conditioner, detecting whether the ambient temperature of the air conditioner is faulty may include: detecting the ambient temperature of the air conditioner in real time, and controlling the display light panel to be within the third preset time every second preset time. Display the ambient temperature and judge whether the ambient temperature is within the preset temperature range; if the ambient temperature is not within the preset temperature range, judge the failure of the ambient temperature displayed by the air conditioner; if the ambient temperature is within the preset temperature range In the case of , it is judged that the ambient temperature displayed by the air conditioner is normal.

In the embodiment of the present invention, the ambient temperature of the air conditioner is the ambient temperature displayed by the air conditioner.

The second preset time in the above embodiment can be 1 minute, and the third preset time can be 30 seconds; the preset temperature range can be determined according to the actual indoor temperature of the air conditioner, such as the actual indoor temperature is 25°C , then the preset temperature range can be 23-27°C.

Specifically, if the object to be detected is a surface cooler of an air conditioner, the air conditioner detecting whether the surface cooler is faulty may include: detecting the tube temperature of the surface cooler in real time, and controlling the display lamp board at the fourth preset time every second preset time. Display the tube temperature within the preset time, and judge whether the tube temperature reaches the preset temperature threshold within the fifth preset time; if the tube temperature of the surface cooler does not reach the preset temperature threshold within the fifth preset time, then judge The surface cooler is faulty; if the tube temperature of the surface cooler reaches the preset temperature threshold within the fifth preset time, it is judged that the surface cooler is normal.

The above-mentioned fourth preset time may be 30 seconds, and the fifth preset time may be 1 minute; the preset temperature threshold may be the current tube temperature ±1°C.

In the above-mentioned embodiment, the real-time detection of the tube temperature of the surface cooler can be realized through the tube temperature sensor package of the surface cooler, and the change of the tube temperature of the surface cooler can be used to judge whether the water valve is connected to the surface cooler, as in , when the air conditioner is running in the heating mode, the tube temperature of the surface cooler increases with time (for example, the tube temperature rises by 1°C within one minute), it is judged that the water valve is connected to the surface cooler, if the surface cooler If the tube temperature of the surface cooler does not change, it can be judged that the water valve is not connected to the surface cooler; for another example, when the air conditioner is running in cooling mode, the tube temperature of the surface cooler decreases with time (for example, the tube temperature decreases by 1°C in one minute. ), it is judged that the water valve is connected to the surface cooler, and if the pipe temperature of the surface cooler does not change, it is judged that the water valve is not connected to the surface cooler.

In an optional embodiment, the ambient temperature of the air conditioner and the temperature of the tube temperature sensor of the surface cooler (that is, the tube temperature in the above-mentioned embodiment) are detected in real time, and the display lamp board is controlled to flash at intervals of 1 minute. Display the ambient temperature for 30 seconds, then blink to display the tube temperature for 30 seconds; judge whether the ambient temperature is normal according to the actual indoor temperature of the air conditioner, for example, if the difference between the ambient temperature and the actual indoor temperature is within 1°C, it is judged that the ambient temperature is normal, Otherwise, it is judged that the ambient temperature displayed by the air conditioner is faulty; judge whether the pipe temperature is faulty according to the change of the pipe temperature with time, for example, if the pipe temperature rises or falls by 1°C within 1 minute, it is judged that the surface cooler is normal. If there is no change within 1 minute, it is judged that the surface cooler is faulty.

In the above embodiments of the present invention, if the ambient temperature or the surface cooler fails, the shutdown button on the remote control device (such as a remote controller) can be pressed to shut down the air conditioner to repair the failure.

Through the embodiment of the present invention, the ambient temperature displayed by the air conditioner and the fault detection of the surface cooler can be realized, which solves the problem in the prior art that the fault detection cannot be performed on the ambient temperature of the air conditioner and the tube temperature of the surface cooler; and through Detect the temperature change of the surface cooler tube to judge whether the surface cooler is connected to the water valve, and check the connection between the surface cooler and the water valve in time when the surface cooler fails.

According to the above-mentioned embodiments of the present invention, the object to be detected is the load on condition of the air conditioner in the working mode, wherein the detection module may include: a sixth detection sub-module, used to detect whether the load is Power on; the seventh determination submodule is used to determine the detection of a fault of the detected object when the load is not powered on; the generation module may include: a third generation submodule, used for when the detection result is a fault of the detected object to generate a third alarm signal; the sixth control submodule is used to control the buzzer of the air conditioner to alarm according to the third alarm signal; the seventh control submodule is used to control the display light board to display the corresponding load fault code.

In the foregoing embodiments, the load may include: a water valve, a fan, and a water pump of an air conditioner.

Specifically, if the detected object is the load on condition of the air conditioner in the working mode, when the air conditioner is running in the working mode (such as cooling mode), it is detected whether the water valve, fan and water pump of the air conditioner are energized, if the water valve, If the fan and water pump are energized, it will be detected that the detected object is normal. If the water valve, fan or water pump is not energized, it will be detected that the detected object is faulty; if the detection result is that the detected object is faulty, a third alarm signal will be generated and the buzzer will be controlled. The device alarms according to the third alarm signal, and at the same time controls the display lamp board to display the corresponding load fault code.

Wherein, controlling the buzzer to alarm according to the third alarm signal may include: controlling the buzzer to sound twice consecutively.

In an optional embodiment, if the current working mode of the air conditioner is the cooling mode, the air conditioner can be controlled according to a preset switching sequence (for example, cooling mode → dehumidification mode → air supply mode → heating mode → cooling mode) Automatically switch the working mode. Every time the air conditioner switches the working mode, the buzzer will sound once to remind the staff that the working mode of the air conditioner has been switched; when the air conditioner is in a certain working mode (such as dehumidification mode), the dehumidification The indicator light is on, and the air conditioner runs for 5 minutes in each working mode.

When the air conditioner is running in each working mode, it is detected whether the load (such as fan, water valve and water pump, etc.) ; If the load cannot be turned on, the control buzzer will sound twice in a row, and the corresponding load fault code will be displayed on the display panel to remind the staff that a load fault has occurred, so that the fault can be corrected in time.

In the above embodiments of the present invention, if a load failure is detected, the air conditioner will automatically shut down.

Through the above embodiments of the present invention, it is possible to automatically perform fault detection on the load-on status of the air conditioner in the working mode, thereby improving the efficiency of fault detection on the air conditioner.

Each module provided in this embodiment is the same as the usage method provided in the corresponding steps of the method embodiment, and the application scenarios may also be the same. Of course, it should be noted that the solutions involved in the above modules are not limited to the content and scenarios in the above embodiments, and the above modules can run on computer terminals or mobile terminals, and can be implemented by software or hardware.

From the above description, it can be seen that the present invention achieves the following technical effects:

With the embodiment of the present invention, after receiving the starting signal sent by the remote control device (such as a remote controller), the air conditioner enters the fault detection mode; the air conditioner determines the detected object according to the information of the detected object in the starting signal, and detects whether the detected object is Fault: According to the detection result obtained, a prompt message indicating whether the detected object is faulty is generated. In the embodiment of the present invention, the air conditioner enters the fault detection mode through the start signal sent by the remote control device, and the detected object is determined according to the information of the detected object carried by the start signal, so that the operation of the air conditioner can be accurately controlled, and the reliability of the air conditioner is improved. The efficiency of the fault detection of the air conditioner does not require the staff to climb to the ceiling and press the AUTO key on the air conditioner to detect the fault of the air conditioner. Through the embodiments of the present invention, the problem in the prior art that workers need to climb to the ceiling to operate the air conditioner when debugging the air conditioner is solved, resulting in low fault detection efficiency, and the effect of improving the fault detection efficiency of the air conditioner is realized.

Obviously, those skilled in the art should understand that each module or each step of the above-mentioned present invention can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed in a network formed by multiple computing devices Optionally, they can be implemented with program codes executable by computing devices, thus, they can be stored in storage devices and executed by computing devices, or they can be made into individual integrated circuit modules, or they can be integrated into Multiple modules or steps are fabricated into a single integrated circuit module to realize. As such, the present invention is not limited to any specific combination of hardware and software.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A kind of 1. fault detection method of air conditioner, it is characterised in that including：

   After the enabling signal of remote control equipment transmission is received, air conditioner enters fault detect pattern, wherein, it is described to start letter Number carry the information of the detected object of the air conditioner；

   The air conditioner detect the detected object whether failure；

   According to the detected object whether the testing result of failure, generate the detected object whether failure prompting letter Breath；

   The detected object includes at least one following：The display lamp plate of the air conditioner, the temperature-sensitive bag of the air conditioner, institute State the environment temperature of air conditioner, surface cooler and the air conditioner load opening state in the operational mode of the air conditioner Condition, wherein, the mode of operation includes：Refrigeration mode, dehumidification mode, air supply pattern and heating mode, the load is at least Including one of following：Water valve, blower fan and the water pump of the air conditioner.
2. 2. according to the method for claim 1, it is characterised in that the detected object is the display lamp of the air conditioner Plate, the air conditioner detects the detected object, and whether failure includes：

   Whether the mode indicating lamp detected on the display lamp plate all lights in the first preset time, wherein, the pattern Indicator lamp includes：Freeze indicator lamp, dehumidifying indicator lamp, air-supply indicator lamp and heating indicator lamp；

   If the mode indicating lamp does not light all in first preset time, the detected object event is detected Barrier；

   If the mode indicating lamp all lights in first preset time, whether each mode indicating lamp is detected Lighted according to preset order；

   If each mode indicating lamp does not light according to preset order, the detected object failure is detected.
3. 3. according to the method for claim 1, it is characterised in that the detected object is the temperature-sensitive bag of the air conditioner, Wherein,

   The air conditioner detects the detected object, and whether failure includes：Detect whether the temperature-sensitive bag is powered；If the sense Thermometer bulb is powered, then detects that the detected object is normal；If the temperature-sensitive bag no power, detects the detected object Failure；

   According to the detected object whether the testing result of failure, generate the detected object whether the prompt message of failure Including：

   If the testing result is the detected object failure, the first alarm signal is generated；Control the honeybee of the air conditioner Ring device is alarmed according to first alarm signal；Control it is described display lamp plate show corresponding to temperature-sensitive bag failure code；

   If the testing result is that the detected object is normal, the second alarm signal is generated；Control the honeybee of the air conditioner Ring device is alarmed according to second alarm signal.
4. 4. according to the method for claim 1, it is characterised in that

   The detected object is the environment temperature of the air conditioner, the air conditioner detect the detected object whether failure Including：The environment temperature is detected in real time；Show every the second preset time control display lamp plate in the 3rd preset time Show the environment temperature；Judge the environment temperature whether in preset temperature range；If the environment temperature is not described pre- If in temperature range, then judge the detected object failure；

   The detected object is the surface cooler of the air conditioner, the air conditioner detect the detected object whether failure bag Include：

   The Guan Wen of the surface cooler is detected in real time；

   The Guan Wen of the surface cooler is shown in the 4th preset time every second preset time control display lamp plate；

   Judge whether the Guan Wen of the surface cooler reaches preset temperature threshold value in the 5th preset time；

   If the Guan Wen of the surface cooler is not up to the preset temperature threshold value in the 5th preset time, judge described Detected object failure.
5. 5. according to the method for claim 1, it is characterised in that the detected object is the air conditioner in mode of operation Under load open situation, wherein,

   The air conditioner detects the detected object, and whether failure includes：Operated in the air conditioner under the mode of operation When, whether detection load is powered；If the load no power, detect the detected object failure；

   According to the detected object whether the testing result of failure, generate the detected object whether the prompt message of failure Including：

   If the testing result is the detected object failure, the 3rd alarm signal is generated；

   The buzzer of the air conditioner is controlled to be alarmed according to the 3rd alarm signal；

   Control it is described display lamp plate show corresponding to load faulty code.
6. A kind of 6. failure detector of air conditioner, it is characterised in that including：

   Control module, for after the enabling signal of remote control equipment transmission is received, control air conditioner to enter fault detect mould Formula, wherein, the enabling signal carries the information of the detected object of the air conditioner；

   Detection module, for the air conditioner detect the detected object whether failure；

   Generation module, for according to the detected object whether the testing result of failure, whether generate the detected object The prompt message of failure；

   Wherein, the detected object includes at least one following：Display lamp plate, the temperature-sensitive of the air conditioner of the air conditioner Surface cooler and the air conditioner load in the operational mode of bag, the environment temperature of the air conditioner, the air conditioner are opened Situation is opened, wherein, the mode of operation includes：Refrigeration mode, dehumidification mode, air supply pattern and heating mode, the load Including at least one of following：Water valve, blower fan and the water pump of the air conditioner.
7. 7. device according to claim 6, it is characterised in that the detected object is the display lamp of the air conditioner Plate, the detection module include：

   First detection sub-module, for detect it is described display lamp plate on mode indicating lamp whether in the first preset time all Light, wherein, the mode indicating lamp includes：Freeze indicator lamp, dehumidifying indicator lamp, air-supply indicator lamp and heating indicator lamp；

   First determining module, in the case of not lighted all in first preset time in the mode indicating lamp, It is determined that detect the detected object failure；

   Second detection sub-module, in the case of all being lighted in first preset time in the mode indicating lamp, Detect whether each mode indicating lamp lights according to preset order；

   Second determination sub-module, in the case of not lighted in each mode indicating lamp according to preset order, it is determined that inspection Measure the detected object failure.
8. 8. device according to claim 6, it is characterised in that the detected object is the temperature-sensitive bag of the air conditioner, Wherein,

   The detection module includes：3rd detection sub-module, for detecting whether the temperature-sensitive bag is powered；3rd determines submodule Block, in the case of being powered in the temperature-sensitive bag, it is determined that detecting that the detected object is normal；4th determination sub-module, For in the case of the temperature-sensitive bag is cold, it is determined that detecting the detected object failure；

   The generation module includes：

   First generation submodule, in the case of being the detected object failure in the testing result, the report of generation first Alert signal；First control submodule, for controlling the buzzer of the air conditioner to be alarmed according to first alarm signal；Second Control submodule, for control it is described display lamp plate show corresponding to temperature-sensitive bag failure code；

   Second generation submodule, in the case of the testing result is normal for the detected object, generation second to be reported Alert signal；3rd control submodule, for controlling the buzzer of the air conditioner to be alarmed according to second alarm signal.
9. 9. device according to claim 6, it is characterised in that

   The detected object is the environment temperature of the air conditioner, and the detection module includes：4th detection sub-module, is used for The environment temperature is detected in real time；4th control submodule, for every the second preset time control display lamp plate the The display environment temperature in three preset times；First judge module, for judging the environment temperature whether in preset temperature In the range of；5th determination sub-module, in the case of in the environment temperature not in the preset temperature range, it is determined that sentencing Break and the detected object failure；

   The detected object is the surface cooler of the air conditioner, and the detection module includes：

   5th detection sub-module, for detecting the Guan Wen of the surface cooler in real time；

   5th control submodule, for showing every second preset time control display lamp plate in the 4th preset time Show the Guan Wen of the surface cooler；

   Second judge module, for judging whether the Guan Wen of the surface cooler reaches preset temperature threshold in the 5th preset time Value；

   6th determination sub-module, for being not up to the default temperature in the 5th preset time in the Guan Wen of the surface cooler In the case of spending threshold value, it is determined that judging the detected object failure.
10. 10. device according to claim 6, it is characterised in that the detected object is the air conditioner in Working mould Situation is opened in load under formula, wherein,

    The detection module includes：6th detection sub-module, for when the air conditioner is operated under the mode of operation, examining Survey whether load is powered；7th determination sub-module, in the case of the load is cold, it is determined that detecting described tested Survey object outages；

    The generation module includes：

    3rd generation submodule, in the case of being the detected object failure in the testing result, the report of generation the 3rd Alert signal；

    6th control submodule, for controlling the buzzer of the air conditioner to be alarmed according to the 3rd alarm signal；

    7th control submodule, for control it is described display lamp plate show corresponding to load faulty code.