CN203720286U - Remote controller function detection device - Google Patents

Abstract

The utility model provides a remote controller function detection device. The remote controller function detection device comprises a receiver, a display circuit, and a controller, wherein the receiver is used for receiving a key signal sent by the remote controller; the receiver is in wireless communication with the remote controller; the display circuit is used for displaying a code corresponding to the key signal; the controller is respectively connected with the receiver and the display circuit; and the controller judges normal operation of a key corresponding to the key signal according to the key signal and converts the key signal into a corresponding code for controlling the display circuit for display. The remote controller function detection device can be applied to function detection of remote controllers of various types, universality is strong, the detection time can be greatly shortened, and the labor intensity is lessened.

Description

Function detection device for remote control

technical field

The utility model relates to the technical field of electric appliance manufacturing, in particular to a function detection device for a remote controller.

Background technique

Many electrical equipment can be controlled by remote control. There are about 20 types of electronic remote control models, and different models have different tooling for function testing. The remote control is changed about 5-10 times a day. If the remote control is changed, the test tooling needs to be replaced at the same time, which is very inconvenient for production. And each button of the remote controller can be tested only in a specific mode, so when testing, the average number of times each button needs to be pressed is about 2-3 times, which is labor-intensive and requires a long test time.

The disadvantages of the prior art are: the existing test tool is only applicable to a single model, and can only test the remote controller of the corresponding model, which has poor versatility. In addition, the buttons of the existing remote control need to be effective in a specific mode, thus causing different times of pressing different buttons during the test.

Utility model content

The purpose of this utility model is to solve the above-mentioned technical problems at least to a certain extent.

For this reason, the purpose of the utility model is to provide a function detection device of a remote controller, which can be applied to the function detection of various types of remote controllers and has strong versatility. And can greatly shorten the test time, reduce labor intensity.

In order to achieve the above object, the utility model proposes a function detection device of a remote control, the function detection device of the remote control includes a receiver for receiving key signals sent by the remote control, and the receiver communicates wirelessly with the remote control; A display circuit for displaying the code corresponding to the key signal; a controller, the controller is respectively connected with the receiver and the display circuit, and the controller judges the code corresponding to the key according to the key signal The key corresponding to the signal works normally, and the key signal is converted into a corresponding code to control the display circuit for display.

The function detection device of the remote controller of the present utility model receives the button signal of the remote controller through the receiver, and then the controller judges that the button can work normally according to the button signal, converts the button signal into different codes, and displays the corresponding code through the display circuit. code, so as to judge that the button corresponding to the code has successfully received data, so it only needs to receive the button signal of the remote control button to realize the function detection of the remote control button, so it can be applied to various types of remote controllers and has strong versatility. Compared with the existing technology, the detection efficiency can be increased by 2005, and the material cost can be saved by about 15 tooling or about 3000 yuan. In addition, the detection can be realized by triggering the button of the remote control once, which can greatly shorten the detection time and reduce the labor intensity.

Further, the receiver may include: a receiving head for receiving the button signal, the output end of the receiving head is connected to the controller, and the negative terminal of the receiving head is grounded; a first resistor, the first One end of the resistor is connected to the preset power supply, the other end of the first resistor is connected to the positive terminal of the receiving head; the second resistor is connected to the preset power supply, and the second resistor is connected to the positive terminal of the receiving head. The other end of the resistor is connected to the output terminal of the receiving head; the first capacitor, one end of the first capacitor is connected to the positive end of the receiving head, and the other end of the first capacitor is grounded; the second capacitor, the One end of the second capacitor is connected to the output end of the receiving head, and the other end of the second capacitor is grounded.

Further, the display circuit includes: a display sub-circuit for displaying the code corresponding to the key signal; a driving circuit for driving the display sub-circuit, and the driving circuit is respectively connected with the display sub-circuit and the control device connection.

Wherein, specifically, the display sub-circuit may be four digital tubes with an 8-structure. The controller can be a TMP89FM42UG single-chip microcomputer.

Further, an auxiliary circuit for assisting the operation of the TMP89FM42UG single-chip microcomputer may also be included, and the auxiliary circuit is connected with the TMP89FM42UG single-chip microcomputer.

Additional aspects and advantages of the present invention will be set forth in part in the description which follows, and part will be apparent from the description which follows, or can be learned by practice of the present invention.

Description of drawings

The above-mentioned and/or additional aspects and advantages of the utility model will become apparent and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

Fig. 1 is a block diagram of a function detection device of a remote controller according to an embodiment of the present invention;

Fig. 2 is a circuit diagram for the receiver in Fig. 1;

Fig. 3 is a circuit diagram for the controller in Fig. 1 according to a specific embodiment of the present invention;

4 is a block diagram of a function detection device of a remote controller according to another embodiment of the present invention; and

Fig. 5 is a circuit diagram of a function detection device of a remote controller according to a specific embodiment of the present invention.

reference sign

Receiver 10 , display circuit 20 and controller 30 , receiving head 101 , auxiliary circuit 40 , display sub-circuit 201 and drive circuit 202 .

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for realizing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. Furthermore, the present invention may repeat reference numerals and/or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials. Additionally, configurations described below in which a first feature is "on" a second feature may include embodiments where the first and second features are formed in direct contact, and may include additional features formed between the first and second features. For example, such that the first and second features may not be in direct contact.

In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be The internal communication between two elements may be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

These and other aspects of embodiments of the present invention will become apparent with reference to the following description and drawings. In these descriptions and drawings, some specific implementations of the embodiments of the present invention are specifically disclosed to represent some ways of implementing the principles of the embodiments of the present invention, but it should be understood that the embodiments of the present invention The range is not limited by this. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.

For the function detection process of the remote controller in the related art, it is considered that the PCB (Printed Circuit Board, printed circuit board) schemes of different models of remote controllers are the same, and each button sends the same signal. Different models of remote controllers have different functions for each button of the remote controller, but the purpose of remote controller detection is to detect whether each button has a normal signal. For the purpose of detecting the pair of remote controllers, you can design a The detection device with high versatility can realize the detection of the keys of the remote control by receiving all the key signals of the remote control and displaying different key signals with different codes, so as to achieve the purpose of universal tooling, and each remote control The key is only one key press to achieve.

The following describes the function detection device of the remote controller according to the embodiment of the present invention with reference to the accompanying drawings.

FIG. 1 is a block diagram of a function detection device for a remote controller according to an embodiment of the present invention. As shown in FIG. 1 , a function detection device for a remote controller according to an embodiment of the present invention includes a receiver 10 , a display circuit 20 and a controller 30 . Wherein, the receiver 10 communicates wirelessly with the remote controller, and the receiver 10 is used for receiving key-press signals sent by the remote controller. The display circuit 20 is used for displaying the code corresponding to the key signal. The controller 30 is connected with the receiver 10 and the display circuit 20 respectively, and the controller 30 judges that the button corresponding to the button signal works normally according to the button signal, and converts the button signal into a corresponding code to control the display circuit 20 to display, so that Judging that the remote control button corresponding to this code can normally send a button signal.

Specifically, in an embodiment of the present invention, as shown in FIG. 2 , the receiver 10 may include a receiving head 101 , a first resistor R1 , a second resistor R2 , a first capacitor C1 and a second capacitor C2 . Wherein, the receiving head 101 is used to receive the button signal of the remote controller, the output end of the receiving head 101 such as REC IN is connected with the controller 30, and the negative terminal of the receiving head 101 is grounded. One end of the first resistor R1 is connected to a preset power supply such as +5V, and the other end of the first resistor R1 is connected to the positive terminal + of the receiving head 101 . One end of the second resistor R2 is connected to a preset power source such as +5V, and the other end of the second resistor R2 is connected to the output terminal REC IN of the receiving head 101 . One end of the first capacitor C1 is connected to the positive terminal + of the receiving head 101 , and the other end of the first capacitor C1 is grounded. One end of the second capacitor C2 is connected to the output terminal REC IN of the receiving head 101, and the other end of the second capacitor R2 is grounded. The receiving head 101 is wirelessly connected to the remote controller, and triggers different buttons on the remote controller to send key signals. The receiving head 101 receives the key signals and further outputs the key signals to the controller 30 .

Specifically, in an embodiment of the present invention, as shown in FIG. 3 , the controller 30 may be a TMP89FM42UG single-chip microcomputer. In order to ensure the normal operation of the single-chip microcomputer, an auxiliary circuit 40 for assisting the operation of the single-chip microcomputer is also included. The auxiliary circuit 40 is connected with the single-chip microcomputer, and the specific connection is shown in FIG. 3 .

Further, in an embodiment of the present invention, as shown in FIG. 4 , the display circuit 20 includes a display sub-circuit 201 and a driving circuit 202 . Wherein, the display sub-circuit 201 is used for displaying the code corresponding to the key signal, to indicate that the key of the remote controller corresponding to the code can normally send the key signal. The driving circuit 202 , for example, can use a TM1668 chip to drive the display sub-circuit 201 , and the driving circuit 202 is connected to the display sub-circuit 201 and the controller 30 respectively.

Specifically, as shown in FIG. 5, the receiving head 101 of the receiver 10 receives the button signal sent by the remote control button wirelessly, and the receiver 10 outputs the button signal to the controller 30 such as a TMP89FM42UG single-chip microcomputer through the output terminal REC IN, and the single-chip microcomputer passes this The button signal judges that the button corresponding to the button signal can normally send a signal, and then rearranges the button signal, converts it into a corresponding code, and sends the code to the display circuit 20 for display. As shown in Figure 5, the three pins of the microcontroller are connected to the DIO, CLK and STB points of the driving circuit 202 to realize the control of the driving circuit 202, and the driving circuit 202 drives the display sub-circuit 201 to display, specifically, the display sub-circuit 201 It can be four digital tubes with a structure of 8, and the display sub-circuit 201 can display the code corresponding to the key of the remote control, and then it can be judged that the receiver 10 can receive the key signal of the key of the remote control, and the key can work normally. It is understandable that this The function detection device of the remote controller in the embodiment of the utility model can realize the function detection of the buttons of the remote controller only by receiving the button signals of the buttons of the remote controller, so it can be applied to various types of remote controllers.

In the specific embodiment of the present utility model, can utilize existing circuit foundation such as TMP89FM42UG single-chip microcomputer, display drive chip such as TM1668 chip, 4 8 digital tubes, the schematic diagram of remote control receiving etc., design only needs to receive the remote control button The key signal, and then display the codes corresponding to different keys, so as to realize the function detection of the remote control. In addition, using existing program bases such as TMP89FM42UG single-chip microcomputer and driver chip code, remote control receiver code, rearrange different key signals and convert them into different codes, and then display different codes through the digital tube, which can represent the remote control The key signals sent by the different keys of the remote control are successfully received, and the corresponding keys of the remote control can work normally, so as to realize the function detection of the remote control.

To sum up, the function detection device of the remote controller according to the embodiment of the utility model receives the button signal of the remote controller through the receiver, and then the controller judges that the button can work normally according to the button signal, and converts the button signal into different codes , through the display circuit to display the corresponding code, so as to judge that the button corresponding to the code has successfully received the data, and only need to receive the button signal of the remote control button, the function detection of the remote control button can be realized, so it can be applied to various types of remote control Compared with the existing technology, the detection efficiency can be improved by 2005, and the material cost can be saved by about 15 tooling or about 3000 yuan. In addition, the detection can be realized by triggering the button of the remote control once, which can greatly shorten the detection time and reduce the labor intensity.

Each functional unit in each embodiment of the present invention can be integrated into one processing module, or each unit can exist separately physically, or two or more units can be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. If the integrated modules are realized in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium.

The storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, and the like.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A function detection device of a remote controller, characterized in that, comprising: a receiver for receiving key signals sent by the remote controller, and the receiver communicates wirelessly with the remote controller; A display circuit for displaying a code corresponding to the key signal; a controller, the controller is respectively connected with the receiver and the display circuit, and the controller judges that the button corresponding to the button signal is working normally according to the button signal, and converts the button signal into The corresponding code is displayed by controlling the display circuit. 2. The function detection device of the remote controller according to claim 1, wherein the receiver comprises: A receiving head for receiving the button signal, the output end of the receiving head is connected to the controller, and the negative end of the receiving head is grounded; A first resistor, one end of the first resistor is connected to a preset power supply, and the other end of the first resistor is connected to the positive end of the receiving head; A second resistor, one end of the second resistor is connected to the preset power supply, and the other end of the second resistor is connected to the output end of the receiving head; a first capacitor, one end of the first capacitor is connected to the positive end of the receiving head, and the other end of the first capacitor is grounded; A second capacitor, one end of the second capacitor is connected to the output end of the receiving head, and the other end of the second capacitor is grounded. 3. The function detection device of the remote controller according to claim 1, wherein the display circuit comprises: A display sub-circuit for displaying the code corresponding to the key signal; A driving circuit for driving the display sub-circuit, the driving circuit is respectively connected with the display sub-circuit and the controller. 4. The function detection device of the remote controller according to claim 3, wherein the display sub-circuit is four digital tubes with a structure of 8. 5. The function detection device of the remote controller according to claim 1, wherein the controller is a TMP89FM42UG single-chip microcomputer. 6. The function detection device of the remote controller according to claim 5, further comprising: An auxiliary circuit for assisting the work of the TMP89FM42UG single-chip microcomputer, the auxiliary circuit is connected with the TMP89FM42UG single-chip microcomputer.