CN206669967U - Air conditioner low consumption circuit and air conditioner - Google Patents

Abstract

The utility model discloses an air conditioner low power consumption circuit and the air conditioner. The air conditioner low power consumption circuit comprises a low power consumption control circuit, a low power consumption power supply circuit and a control signal receiving circuit located in the main control circuit of the air conditioner , the low power consumption control circuit is connected to the control signal receiving circuit, at least receives the standby/start signal received by the control signal receiving circuit, and controls the power supply circuit of the main control circuit according to the standby/start signal On and off, the low power supply circuit is respectively connected to the low power control circuit and the control signal receiving circuit to supply power for the low power control circuit and the control signal receiving circuit. Applying the low power consumption circuit in the air conditioner can simplify the processing of the control signal while realizing the low power consumption control of the air conditioner.

Description

Air conditioner low power consumption circuit and air conditioner

technical field

The utility model belongs to the technical field of air conditioning, in particular relates to the air conditioner technology, more specifically relates to the low power consumption circuit of the air conditioner and the air conditioner.

Background technique

With the improvement of people's living standards, air conditioners have become important household appliances in people's daily life. Subsequently, the air conditioner with high power consumption has become the main source of electricity burden and energy waste. Therefore, reducing the power consumption of the air conditioner as much as possible, especially the standby power consumption, has become an important problem to be solved in the research and development of the air conditioner.

With the continuous development of technology, by setting a low power consumption control circuit, the standby power consumption of the air conditioner can be reduced to about 20mW. For this type of low power consumption circuit, the control idea is that when the air conditioner is in the standby state, the main control circuit of the air conditioner is completely powered off, and the power supply of the indoor unit and the outdoor unit is completely cut off, and only the low power consumption control circuit is in the working state, reaching purpose of reducing standby power consumption. For an air conditioner with such a low power consumption control circuit, in order to realize the normal control of the air conditioner, the main control circuit of the air conditioner is provided with a control signal receiving circuit. In addition, since the main control circuit is completely powered off in the standby state, the control signal receiving circuit in the main control circuit is also powered off. In order to realize the wake-up of the main control circuit in the standby state, a control signal receiving circuit also needs to be set in the low power consumption control circuit. circuit. Therefore, two identical control signal receiving circuits are provided in the same air conditioner control circuit at the same time. When the two control signal receiving circuits are powered on at the same time and both can receive signals, there is a problem of how to deal with the two circuits. The problem of signal reception and use increases the complexity of control signal processing.

Contents of the invention

The purpose of the utility model is to provide a low power consumption circuit of an air conditioner and the air conditioner, which can simplify the processing of control signals while realizing the low power consumption control of the air conditioner.

In order to solve the above technical problems, the low power consumption circuit of the air conditioner provided by the utility model is realized by the following technical solutions:

A low power consumption circuit of an air conditioner, comprising a low power consumption control circuit, a low power consumption power supply circuit and a control signal receiving circuit located in the main control circuit of the air conditioner, the low power consumption control circuit is connected to the control signal receiving circuit , at least receive the standby/start signal received by the control signal receiving circuit, and control the on-off of the power supply circuit of the main control circuit according to the standby/start signal, and the low power supply circuit is connected with the low power supply circuit respectively. The power consumption control circuit is connected to the control signal receiving circuit, and supplies power to the low power consumption control circuit and the control signal receiving circuit.

The low power consumption circuit of the air conditioner as described above, the low power consumption control circuit includes a low power consumption control chip and a switch circuit arranged between the power supply circuit of the main control circuit and the AC input, the low power consumption control circuit The chip receives the standby/start signal received by the control signal receiving circuit, and outputs a control signal for controlling the switching circuit on and off according to the standby/start signal.

As for the low power consumption circuit of the air conditioner mentioned above, the low power consumption power supply circuit includes a rectification circuit, a filter circuit and a voltage stabilization circuit connected in sequence, and the input end of the rectification circuit is connected to an AC input.

As for the low power consumption circuit of the air conditioner, the control signal receiving circuit is a remote control signal receiving circuit and/or a key signal receiving circuit.

As for the low power consumption circuit of the air conditioner, the low power consumption circuit further includes a wireless communication circuit, and the wireless communication circuit is respectively connected with the low power consumption control circuit and the low power consumption power supply circuit, and the The low power consumption power supply circuit supplies power to the wireless communication circuit, the low power consumption control circuit also receives the standby/start signal received by the wireless communication circuit, and controls the power supply of the main control circuit according to the standby/start signal On and off of the circuit.

Preferably, the wireless communication circuit is a Wi-Fi circuit.

As for the low power consumption circuit of the air conditioner mentioned above, the low power consumption circuit further includes a power detection circuit, and the power detection circuit is respectively connected with the low power consumption control circuit and the low power consumption power supply circuit.

The air conditioner provided by the utility model includes a main control circuit of the air conditioner, and also includes the above-mentioned low power consumption circuit of the air conditioner.

Compared with the prior art, the advantages and positive effects of the utility model are: in the low power consumption circuit of the air conditioner provided by the utility model, the low power consumption control circuit and the low power consumption power supply circuit are set, and the main control circuit of the air conditioner The control signal receiving circuit in the circuit is respectively connected with the low power consumption control circuit and the low power consumption power supply circuit, and the low power consumption control circuit controls the on-off of the power supply circuit of the main control circuit according to the standby/start signal received by the control signal receiving circuit, The power supply of the main control circuit is cut off in the standby state, and only the low power consumption control circuit and the control signal receiving circuit with lower power consumption work, so as to realize the low power consumption of the air conditioner in the standby state; at the same time, because the control signal receiving circuit passes through the low The power consumption power supply circuit supplies power. In the standby state, it can receive a power-on signal and transmit it to the low-power control circuit. The low-power control circuit controls the power supply of the main control circuit according to the power-on signal to realize the wake-up in the standby state. Moreover, the control signal receiving circuit for receiving the control signal of the air conditioner in the main control circuit is used to receive the standby signal and the start signal, and only one control signal receiving circuit is provided in the entire air conditioner circuit, which simplifies the processing of the control signal.

After reading the specific implementation of the utility model in conjunction with the accompanying drawings, other features and advantages of the utility model will become clearer.

Description of drawings

Fig. 1 is the circuit block diagram of an embodiment of the air conditioner with the low power consumption circuit of the air conditioner of the present utility model;

Fig. 2 is a circuit principle block diagram of another embodiment of the air conditioner with the low power consumption circuit of the air conditioner of the present invention.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Please refer to FIG. 1 , which is a schematic block diagram of an embodiment of an air conditioner with a low power consumption circuit of the air conditioner.

As shown in FIG. 1 , the circuit structure of the air conditioner in this embodiment includes a main control circuit 15 and a low power consumption circuit. Among them, the main control circuit 15 is the core control circuit for the operation of the air conditioner, which completes the control of the air conditioner fan, compressor, etc., and realizes the operation control of the air conditioner such as cooling, heating, and defrosting. The main control circuit 15 includes a control signal receiving circuit 14 for receiving control signals for controlling the air conditioner. Preferably, the control signal receiving circuit 14 can be a remote control signal receiving circuit, which is used to receive the control signals sent by the remote controller to the air conditioner, including the standby signal and the start signal; the control signal receiving circuit 14 can also be a key signal receiving circuit, used to To receive the control signals of the air conditioner from the buttons on the control panel of the air conditioner, including the standby signal and the start signal. Alternatively, the control signal receiving circuit 14 includes a remote control signal receiving circuit and a key signal receiving circuit at the same time.

The low power consumption circuit includes a low power consumption control circuit, a low power consumption power supply circuit 12 and a control signal receiving circuit 14 , and the low power consumption control circuit includes a low power consumption control chip 11 and a switch circuit 13 . Wherein, the low power supply circuit 12 is respectively connected with the low power control chip 11 and the control signal receiving circuit 14 to supply power for the low power control chip 11 and the control signal receiving circuit 14 . Moreover, as a preferred embodiment, the low power consumption power supply circuit 12 includes a rectification circuit, a filter circuit and a voltage stabilization circuit connected in sequence, and the input end of the rectification circuit is connected to the AC input 17 . The alternating current input by the alternating current input 17 is rectified into direct current by the rectification circuit, and after the noise is filtered by the filter circuit, a stable direct current is formed by the voltage stabilizing circuit, and then the low power consumption control circuit and the control signal receiving circuit 14 are powered.

Switch circuit 13 is arranged between the power supply circuit 16 of main control circuit and AC input 17; power-on signal, and output the control signal for controlling the on-off of the switch circuit 13 according to the standby/start-up signal, utilize the on-off of the switch circuit 13 to realize the on-off control of the power supply circuit 16 of the main control circuit, and then can realize the on-off control of the main control circuit 15 Whether to control the power supply.

For example, if the main control circuit 15 is in the power-on working process, if the control signal receiving circuit 14 receives a standby signal, the standby signal is transmitted to the low power consumption control chip 11, and the low power consumption control chip 11 will output the control signal, The control switch circuit 13 is turned off, thereby cutting off the power supply from the AC input 17 to the main control circuit 15 through the power supply circuit 16 of the main control circuit. After the main control circuit 15 is powered off, only the low power consumption control circuit and the control signal receiving circuit 14 with lower power consumption work, the power consumption is greatly reduced, and the low power consumption control of the air conditioner in standby is realized. In the standby state, the low power consumption power supply circuit 12 continuously supplies power for the low power consumption control signal 11 and the control signal receiving circuit 14 . If the air conditioner is to be woken up in the standby state, the wake-up start signal is received by the control signal receiving circuit 14 and transmitted to the low power consumption control chip 11, and the low power consumption control chip 11 will output a control signal to control the switch circuit 13 to conduct Therefore, the AC input 17 normally supplies power to the main control circuit 15 through the power supply circuit 16 of the main control circuit, and the main control circuit 15 works after being powered on.

In this embodiment, the control signal receiving circuit 14 in the main control circuit 15 is used to receive the standby signal and the start signal, and there is no need to set up the same control signal receiving circuit in the low power consumption circuit. Only the Only one control signal receiving circuit is enough, avoiding the problem of signal receiving and using that easily exists due to the coexistence of two control signal receiving circuits, and simplifying the processing of the control signal.

Please refer to FIG. 2 , which is a schematic block diagram of another embodiment of an air conditioner with a low power consumption circuit of the air conditioner.

As shown in FIG. 2 , the circuit structure of the air conditioner in this embodiment includes a main control circuit 25 and a low power consumption circuit. The low power consumption circuit includes a low power consumption control circuit, a low power consumption power supply circuit 22 and a control signal receiving circuit 24 , and the low power consumption control circuit includes a low power consumption control chip 21 and a switch circuit 23 . Furthermore, the switch circuit 23 is arranged between the power supply circuit 26 of the main control circuit and the AC input 27 . For the connection structure, principle, function, working process and technical effects of these circuits, all can refer to the corresponding description of the embodiment in FIG. 1 .

Different from the embodiment in FIG. 1 , in the embodiment in FIG. 2 , the low power consumption circuit further includes a wireless communication circuit 28 and a power detection circuit 29 .

The wireless communication circuit 28 is respectively connected with the low power consumption control circuit, specifically the low power consumption control chip 21 and the low power consumption power supply circuit 22, the low power consumption power supply circuit 22 supplies power for the wireless communication circuit 28, and the low power consumption control circuit The low power consumption control chip 21 can also receive the standby/start signal received by the wireless communication circuit 28, and control the on-off of the power supply circuit 26 of the main control circuit according to the standby/start signal. By setting the wireless communication circuit 28, and the control signal receiving circuit 24 to form a variety of receiving modes for the control signal, when the control signal receiving circuit 24 cannot receive the standby/start signal, the standby/start signal can be received remotely through the wireless communication circuit 28, Realize the control of standby low power consumption. As a preferred embodiment, the wireless communication circuit 28 is a Wi-Fi circuit, and the user sends a standby/start signal through the bound APP, and the standby/start signal is transmitted to the Wi-Fi circuit through the cloud platform, and then transmitted to the low power consumption control chip 21. The low power consumption control chip 21 can control the on-off of the switch circuit 23 through the standby/start-up signal, so as to realize the on-off control of the power supply circuit 26 of the main control circuit. Moreover, the wireless communication circuit 28 and the control signal receiving circuit 24 are different circuits for receiving different forms of control signals, therefore, there is no problem of receiving and using the same control signal, and the mode of standby control of the air conditioner is added.

The power detection circuit 29 is respectively connected to the low power consumption control circuit, specifically the low power consumption control chip 21 and the low power consumption power supply circuit 22 , and the low power consumption power supply circuit 22 supplies power to the power measurement circuit 29 . The power measurement circuit 29 can measure the power consumption during the working process of the air conditioner, including the standby state and the working state, and transmit the power consumption to the low power consumption control chip 21 for storage or external output, so as to realize the operation power consumption of the air conditioner. monitoring. The power detection circuit 29 is realized by using the existing technology, and its specific structure, principle and working process can refer to the existing technology, and will not be elaborated here.

The above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, for those of ordinary skill in the art, the foregoing implementation can still be Modifications to the technical solutions described in the examples, or equivalent replacement of some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed by the utility model.

Claims (8)

1. A low power consumption circuit of an air conditioner, characterized in that, the low power consumption circuit comprises a low power consumption control circuit, a low power consumption power supply circuit and a control signal receiving circuit positioned in the main control circuit of the air conditioner, the low power consumption circuit The power consumption control circuit is connected to the control signal receiving circuit, at least receives the standby/start signal received by the control signal receiving circuit, and controls the on-off of the power supply circuit of the main control circuit according to the standby/start signal, so The low power consumption power supply circuit is respectively connected with the low power consumption control circuit and the control signal receiving circuit to supply power for the low power consumption control circuit and the control signal receiving circuit. 2. The air conditioner low power consumption circuit according to claim 1, characterized in that the low power consumption control circuit comprises a low power consumption control chip and a power supply circuit arranged between the main control circuit and the AC input The switch circuit, the low power consumption control chip receives the standby/start signal received by the control signal receiving circuit, and outputs a control signal for controlling the switching circuit on and off according to the standby/start signal. 3. The air conditioner low power consumption circuit according to claim 1, wherein the low power consumption power supply circuit comprises a rectification circuit, a filter circuit and a voltage stabilizing circuit connected in sequence, and the input terminal of the rectification circuit is connected to the AC Enter the connection. 4. The low power consumption circuit of an air conditioner according to claim 1, wherein the control signal receiving circuit is a remote control signal receiving circuit and/or a key signal receiving circuit. 5. The air conditioner low power consumption circuit according to any one of claims 1 to 4, characterized in that, the low power consumption circuit also includes a wireless communication circuit, and the wireless communication circuit is connected to the low power consumption circuit respectively. The power consumption control circuit is connected with the low power consumption power supply circuit, the low power consumption power supply circuit supplies power for the wireless communication circuit, and the low power consumption control circuit also receives the standby/start signal received by the wireless communication circuit, And control the on-off of the power supply circuit of the main control circuit according to the standby/start-up signal. 6. The low power consumption circuit of an air conditioner according to claim 5, wherein the wireless communication circuit is a Wi-Fi circuit. 7. The air conditioner low power consumption circuit according to any one of claims 1 to 4, characterized in that, the low power consumption circuit also includes a power detection circuit, and the power detection circuit is connected to the low power consumption circuit respectively. The power consumption control circuit is connected with the low power consumption power supply circuit. 8. An air conditioner, comprising a main control circuit of the air conditioner, characterized in that the air conditioner further comprises the low power consumption circuit of the air conditioner according to any one of claims 1 to 7 above.