CN201185035Y - Household appliances dual controller - Google Patents

Abstract

The utility model discloses a dual controller for a household appliance. The dual controller is located between a wireless control terminal and a household appliance, and includes: a keyboard, a processor, a single-line communication interface and a wireless communication part. The dual controller and the household appliance It is connected with a single line through a single-line communication interface, and performs wireless communication with a wireless control terminal through a wireless communication part. The utility model combines the wire control mode and the wireless communication mode, so that the user can wirelessly control the household appliances through the wireless control terminal while manually controlling the household appliances installed outdoors. For example, wireless remote control or remote control is used to conveniently control household appliances, and multiple household appliances can be connected at the same time to realize the control of multiple household appliances, thus greatly reducing indoor wiring and saving costs.

Description

Household appliances dual controller

technical field

The utility model relates to the technical field of household appliances, in particular to a dual controller for household appliances.

Background technique

With the improvement of people's living standards, various household appliances have flown into more and more ordinary people's homes. While various household appliances bring convenience to people's lives, many household appliances are quietly changing in the category of being installed in the "home". Many home appliances are not installed at home in the traditional sense when they are installed, but are installed outdoors for various purposes. For example, for functional requirements, the outdoor units of solar water heaters and air conditioners need to be installed outdoors; and for absolute safety during use, there are more and more ways to install gas water heaters outdoors; of course, it may also be due to other reasons. Purpose To install home appliances outdoors, etc. Then, with the increase of "plug-in" electrical appliances in the home, how can users control their home appliances more conveniently and flexibly, so that users can know in time when there is a failure in the home appliance; even the home appliance will automatically feedback the failure to the maintenance center. This is a rather troublesome problem, and it will also become an important criterion when users make choices when purchasing home appliances.

Now, for household appliances that need to be installed outdoors, the main control method is to connect the wire control board with the outdoor household appliances through indoor wiring. In this case, it is inconvenient to use; It can be operated by buttons. If users want to control home appliances or access remote control terminals anywhere in the home, they need to lay more lines and add control panels.

For example, in the prior art, a wired control panel (wiring control board) is connected with an outdoor home appliance by means of a wire harness. In this case, the wiring method of the wire control board in the home will be different due to the user's apartment type and the use environment of specific electrical appliances. If you need to use home appliances in the kitchen, bathroom or bedroom, you need to have a wired control panel in each place; and if the home is not newly renovated, you must use open wires in the home, which will damage the overall decoration of the house.

Utility model content

The utility model solves the problem of wireless remote control of home appliances or remote control of home appliances at home, and the problem of excessive indoor wiring of outdoor home appliances.

In order to solve the above problems, the utility model provides a dual controller for household appliances, the dual controller is between the wireless control terminal and the household appliances, including: a keyboard, a processor, and is characterized in that it also includes a single-line communication interface and In the wireless communication part, the dual controller is connected to the home appliance through a single-wire communication interface, and communicates wirelessly with the wireless control terminal through the wireless communication part.

Wherein, the wireless communication part includes a radio frequency circuit for modulation and demodulation.

Wherein, the single-wire communication interface can be connected to at least one household appliance.

Wherein, the dual controller further includes a display screen, and the display screen is used to display the information of the working process.

Wherein, the display screen is an LED or a liquid crystal display screen.

Further, the wireless communication part also includes an antenna module for receiving and transmitting wireless signals.

Wherein, the dual controller further includes an add/unload interface for configuring the processor when loading or unloading the household appliance.

Compared with the prior art, the utility model has the advantages of:

The utility model combines the wire control mode and the wireless communication mode, so that the user can conveniently control the household appliances through the wireless control terminal while manually controlling the household appliances installed outdoors.

In addition, the dual controller of the present invention can be connected to a plurality of household appliances at the same time, so as to realize the control of the plurality of household appliances, reduce indoor wiring, and save costs.

Description of drawings

The above and other objects, features and advantages of the present invention will be more clear through a more specific description of preferred embodiments of the present invention shown in the accompanying drawings. Like reference numerals designate like parts throughout the drawings. The drawings are not intentionally drawn to scale, and the emphasis is on illustrating the gist of the present invention.

Fig. 1 is a schematic diagram of a household appliance dual controller according to a first embodiment of the present invention;

Fig. 2 is a schematic diagram of a household appliance dual controller according to a second embodiment of the present invention;

Fig. 3 is a schematic diagram of a household appliance dual controller according to a third embodiment of the present invention;

Fig. 4 is a schematic diagram of a household appliance dual controller according to a fourth embodiment of the present invention;

Fig. 5 is a schematic diagram of a household appliance dual controller according to a fifth embodiment of the present invention;

Fig. 6 is a schematic diagram of a household appliance dual controller applied to a household appliance control system according to a preferred embodiment of the present invention.

Detailed ways

In order to make the above purpose, features and advantages of the present utility model more obvious and understandable, the specific implementation of the present utility model will be described in detail below in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a full understanding of the present invention. However, the utility model can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the utility model. Therefore, the utility model is not limited by the specific implementations disclosed below.

Fig. 1 is a schematic diagram of a household appliance dual-controller according to a first embodiment of the present invention. As shown in Fig. 1 , the household appliance dual-controller 110 of the present utility model includes: part 151 and the single-wire communication interface 145. The dual controller is located between the wireless control terminal and the home appliance, is connected to the home appliance through a single-wire communication interface 145 , and communicates wirelessly with the wireless control terminal through the wireless communication part 151 .

The keyboard 120 is used for the user to input instructions, operate the household appliances or configure the dual controller 110 . Moreover, the keyboard 120 is connected to the processor 130 , and converts the key information input by the user into a corresponding level signal and transmits it to the processor 130 .

The wireless communication part 151 is connected with the processor 130 and used for modulating the data information to be sent by the processor into a high-frequency signal for transmission, and demodulating the received signal into a low-frequency signal for the processor 130 .

In this embodiment, the processor is an MCU for:

1) Process the user key information input by the keyboard 120, and send the work instruction to the household appliance through a wired medium after processing;

2) process the user's button information input by the keyboard 120, and perform the internal configuration of the dual controller for the user's dual controller configuration information;

3) process the user's keystroke information input by the keyboard 120, and control the display screen display after the user's keyboard operation is processed;

4) Process the signal input by the wireless communication part 151, and send the processed work order to the household appliance through a wired medium;

5) Process the signal input by the wireless communication part 151, and perform the internal configuration of the dual controller according to the configuration information of the dual controller;

6) Receive feedback information from household appliances, and send the feedback information to the wireless communication part 151 after processing;

At the same time, part of the FLASH inside the MCU is used as "EEROM" to store parameter information, passwords and addresses set by users, which saves additional storage costs and provides convenience for users' safe and convenient use.

Therefore, the dual-controller for household appliances of the present utility model can not only control the household appliances directly through manual keyboard input, but also control the household appliances by receiving signals from the wireless control terminal, and at the same time transmit the feedback information of the household appliances to the wireless control terminal, which is convenient for wireless control. terminal operation. It can be seen that the dual controller of the household appliance of the present utility model realizes the operation of the household appliance in two ways of wireless and wired at the same time.

Wherein, the single-wire communication interface can be connected to at least one home appliance. The dual controller for household appliances of the utility model can also connect multiple household appliances through a single-line communication interface, so as to realize the control operation of multiple household appliances.

Wherein, the dual controller also includes a single-line driving circuit and a keyboard driving circuit. The single-wire communication drive circuit ensures the communication distance and level matching between the dual controller and the home appliance.

Fig. 2 is a schematic diagram of a household appliance dual controller according to a second embodiment of the present invention. The household appliance dual controller 110 of the present utility model includes: a keyboard 120, a processor 130, a wireless communication part 151 and a single-wire communication interface 145. The dual controller is located between the wireless control terminal and the home appliance, is connected to the home appliance through a single-wire communication interface 145 , and communicates wirelessly with the wireless control terminal through the wireless communication part 151 .

Wherein, the wireless communication part 151 specifically includes a radio frequency circuit 250, and the radio frequency circuit 250 is used for:

1) Modulate the low frequency signal transmitted by the processor 130 into a radio frequency signal and transmit it to the wireless control terminal through the antenna;

2) Receive the radio frequency signal transmitted by the wireless control terminal, demodulate the radio frequency signal into a low frequency signal and send it to the processor 130 .

Fig. 3 is a schematic diagram of a household appliance dual controller according to a third embodiment of the present invention. The household appliance dual controller 110 of the present utility model includes: a keyboard 120, a processor 130, a wireless communication part 151 and a single-wire communication interface 145. The dual controller is located between the wireless control terminal and the home appliance, is connected to the home appliance through a single-wire communication interface 145 , and communicates wirelessly with the wireless control terminal through the wireless communication part 151 .

Wherein, the dual controller for household appliances further includes a display screen 210 . The display screen 210 is used to display the information of the working process, including the input information of the keyboard 120 , the input information of the wireless signal received by the wireless communication circuit 151 , and the feedback information of the household appliance sent by the processor 130 . Specifically: a) after the processor 130 processes the input information of the keyboard 120, it sends it to the display screen 210 for display; b) after the processor 130 processes the input signal of the wireless communication part 151, it sends it to the display screen 210 for display; c) processing The controller 130 processes the feedback information received from the household appliances, and sends it to the display screen 210 for display.

Wherein, the display screen is an LED display screen or a liquid crystal display screen.

Fig. 4 is a schematic diagram of a household appliance dual controller according to a fourth embodiment of the present invention. The household appliance dual controller 110 of the present utility model includes: a keyboard 120, a processor 130, a wireless communication part 151 and a single-wire communication interface 145. The dual controller is located between the wireless control terminal and the home appliance, is connected to the home appliance through a single-wire communication interface 145 , and communicates wirelessly with the wireless control terminal through the wireless communication part 151 .

Wherein, the wireless communication part 151 also includes an antenna module 152 for: sending data signals to and receiving data signals from the wireless receiving end.

Fig. 5 is a schematic diagram of a household appliance dual controller according to a fifth embodiment of the present invention. The household appliance dual controller 110 of the present utility model includes: a keyboard 120, a processor 130, a wireless communication part 151 and a single-wire communication interface 145. The dual controller is located between the wireless control terminal and the home appliance, is connected to the home appliance through a single-wire communication interface 145 , and communicates wirelessly with the wireless control terminal through the wireless communication part 151 .

Since the single-wire communication interface can be connected to one or more home appliances, in this embodiment, the dual controller also includes an add/unload interface 260 . When adding a household appliance, first connect the household appliance to the single-line communication interface, then load the operation command of the newly added household appliance through the loading/unloading interface 260, and load the control operation command of the newly added household appliance to the dual controller. The processor is configured. Realize single-wire communication with home appliances.

In addition, the home appliance control operation commands to be used in conjunction with the dual controller of household appliances of the present utility model can also be written into the dual controller in advance, so the load/unload interface 260 can not be used for loading.

FIG. 6 is a schematic diagram of a household appliance dual controller applied to a household appliance control system according to a preferred embodiment of the present invention. Now, the present utility model will be described in more detail with reference to FIG. 6 .

As shown in FIG. 6 , the home appliance dual controller 110 is interposed between the wireless control terminal and the outdoor home appliance, and is connected to the interface of the first home appliance 340 and the interface of the second home appliance 350 through the single-wire communication interface 145 . The dual controller 110 is installed on the balcony, and communicates wirelessly with the remote controller 310 , the phone controller 320 and the home gateway 330 through the wireless communication part 151 .

The dual controller 110 mainly includes: a processor 130 , a keyboard 120 , a display screen 210 , a single-wire communication interface 145 , a wireless communication part 151 and an add/unload interface 260 . At the same time, it also includes: a single-line driving circuit, a keyboard driving circuit, a display driving circuit, a corresponding power management circuit and a level conversion circuit between modules (not shown). The wireless communication part 151 includes: a radio frequency communication circuit 250 and an antenna module 152 .

Among them, the processor 130 is the center of the whole system, it processes the information from the wireless communication or the keyboard key input, and sends the user's desired command to the home appliance according to the relevant single-wire protocol. At the same time, the processor also receives fault prompts from home appliances with single-wire communication, as well as correct information prompts from home appliances to users, and sends them to the display screen for display, or to the radio frequency circuit, and finally feeds back to the wireless control terminal.

Adopt the method of operating the internal FLASH of the MCU in the user mode, and use the internal FLASH part to store the parameter information, password, address, etc. set by the user, which saves additional memory costs and provides convenience for the user's safe and convenient use .

The driving circuit is used to ensure the cooperation of each module. Among them, the single-wire driving circuit 230 ensures the communication distance and level matching between the wire controller and the home appliance. The single-wire driving circuit designed in the utility model ensures that the wire controller works at The effective distance is more than 20 meters.

Among them, the wireless communication part 151 of the dual controller has a password verification function. When the dual controller is to be connected to the wireless remote control or remote control, the dual controller 110 of the household appliance needs to be registered in these wireless control terminals. To ensure the security and uniqueness of users. After the registration is completed, the user can control the home appliances through the dual controllers through the wireless remote controller 310 , the phone controller 320 , the home gateway 330 , and so on.

The use and control process of the dual controller are as follows:

1) Connect the single-wire communication interface 145 of the dual controller of the household appliance to the communication interface of the first household appliance 340 with a single-wire, after power on. You can establish a connection and control the home appliance through the buttons and display.

When the user installs a new second home appliance 350, the single-line communication interface 145 of the dual controller of the home appliance is connected to the communication interface of the second home appliance 350 with a single line, and the second home appliance complies with the home appliance communication protocol control command and status discrimination information through adding/ The offload interface 260 loads the dual controller and assigns an address. The dual controller can control the home appliances by means of polling and dialogue, and process the status information or fault information of various home appliances in real time.

Similarly, when the connection with the second home appliance is disconnected, related unloading is performed through the loading/unloading interface 260 .

2) Connect the dual controllers of household appliances to the wireless remote control system.

A. Device registration process. When the dual controller is to be connected to the control terminal with wireless communication function, it is necessary to establish a one-to-one correspondence between the remote control, gateway, etc. and the dual controller through registration.

The registration process is as follows: Take the corresponding relationship between the remote controller and the dual controller as an example, press the registration button of the dual controller, and the dual controller enters the registration state and broadcasts its own address information to the outside. Each dual controller is registered when it leaves the factory. Assigned to a unique ID. In the following 15 seconds, press the registration key of the remote controller, and the remote controller enters the registration state. After receiving the registration frame broadcast by the dual controllers, it is verified and stored correctly, and then sends a successful registration frame to the dual controllers, and exits the registration state. After the dual controller receives the successful registration frame from the remote controller, it exits the registration mode. If the user first presses the registration key of the remote controller, the remote controller first enters the registration state, and then waits for the arrival of the registration broadcast frame on the dual controller.

B. Wireless control process. After the user operates the corresponding button on the remote controller, the remote controller organizes the button information into a corresponding command frame according to the communication protocol and registration address and sends it to the dual controller. After receiving the command frame, the dual controller parses it into a corresponding control command and sends it to the home appliance; The home appliance performs corresponding processing after receiving it, and feeds back various status information after processing to the dual controller. The dual controller also organizes the corresponding status frame according to the communication protocol and registration address and sends it to the remote control. After the remote control receives It is parsed into corresponding status information and fed back to the user through corresponding display.

C. Fault automatic feedback process. When the home appliance fails, the home appliance will actively send the alarm information to the dual controller according to the protocol. The dual controller also organizes the corresponding alarm frame according to the communication protocol and registration address and sends it to the remote controller. After the remote controller receives it, it parses it into the corresponding status information and feeds it back to the user through the corresponding display; when connected to the remote wireless control terminal , the control terminal, such as a telephone controller or gateway, can also actively notify the user by dialing the number or sending a text message through the call number reserved by the user. method notification until the user receives and performs the relevant operation.

The utility model is applied to a household appliance control system installed outdoors. Due to practical problems in the control of outdoor home appliances, the dual controller for home appliances combines the wire control mode and the wireless communication mode, and is connected to the outdoor home appliances through a single-wire communication mode. The dual controller of the utility model is installed on the balcony or other places close to the wall, so that the user can control the outdoor household appliances from the keyboard according to the traditional manual method. Moreover, by loading the home appliance control command description module, one dual controller can control multiple outdoor home appliances, saving money and trouble.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person familiar with the art, without departing from the scope of the technical solution of the utility model, can use the method and technical content disclosed above to make many possible changes and modifications to the technical solution of the utility model, or modify it into an equivalent change, etc. effective example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical proposal of the present invention.

Claims (7)

1. A dual controller for household appliances, the dual controller is between the wireless control terminal and the home appliance, including: a keyboard, a processor, characterized in that: it also includes a single-line communication interface and a wireless communication part, the dual controller The device is connected with the home appliance through a single-wire communication interface, and communicates wirelessly with the wireless control terminal through the wireless communication part. 2. The dual controller for household appliances according to claim 1, wherein the wireless communication part includes a radio frequency circuit for modulation and demodulation. 3. The dual controller for household appliances according to claim 1, wherein the single-wire communication interface can be connected to at least one household appliance. 4. The dual controller for household appliances according to claim 1, characterized in that: the dual controller further comprises a display screen, and the display screen is used to display information about the working process. 5. The dual controller for household appliances according to claim 4, wherein the display screen is an LED or a liquid crystal display screen. 6. The dual controller for household appliances according to claim 1, wherein the wireless communication part further includes an antenna module for receiving and transmitting wireless signals. 7. The dual controller for household appliances according to claim 1, characterized in that: said dual controller further comprises an add/unload interface for configuring the processor when loading or unloading the household appliance.

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