CN113359936B

CN113359936B - Power control method, power control circuit, device and household appliance

Info

Publication number: CN113359936B
Application number: CN202110585757.1A
Authority: CN
Inventors: 余圩钱; 徐锦清; 钟雄斌; 黄招彬; 王慧锋; 李明
Original assignee: GD Midea Air Conditioning Equipment Co Ltd; Foshan Shunde Midea Electric Science and Technology Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd; Foshan Shunde Midea Electric Science and Technology Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2023-10-03
Anticipated expiration: 2041-05-27
Also published as: CN113359936A; CN117519407A

Abstract

The application discloses a power control method, a power control circuit, a device and a household appliance, wherein the method comprises the following steps: the back-stage control module is in a standby state, and the standby wake-up module receives a standby wake-up instruction and responds to the standby wake-up instruction to generate a first control signal; triggering the power supply switch module to be in a closed state according to the first control signal so as to control the main power supply module to supply power to the rear-stage control module, and waking up the rear-stage control module from a standby state to an operating state; the rear control module is switched from the running state to the standby state to generate a second control signal; and triggering the power supply switch module to be in an off state according to the second control signal so as to control the power supply line between the main power supply module and the rear-stage control module to be disconnected. Therefore, when the rear-stage control module is in a standby state, a power supply line between the main power supply module and the rear-stage control module is disconnected, the main power supply module cannot supply power to the rear-stage control module, namely, the rear-stage control module is in standby in a power-off state, and the power consumption is reduced.

Description

Power control method, power control circuit, device and household appliance

Technical Field

The present application relates to power control technologies, and in particular, to a power control method, a power control circuit, a device, and a household appliance.

Background

After the integrated air conditioner on the market is connected with the commercial power, the electric control system carried by the integrated air conditioner is standby in the electrified state, so that the air conditioner still can continue to consume power in the standby state.

Disclosure of Invention

In order to solve the technical problems, the application provides a power control method, a power control circuit, a power control device and a household appliance.

The technical scheme of the application is realized as follows:

in a first aspect, a power control method is provided, the method comprising:

when the later control module is in a standby state, the standby wake-up module receives a standby wake-up instruction, and responds to the standby wake-up instruction to generate a first control signal;

triggering a power supply switch module to be in a closed state according to the first control signal so as to control a main power supply module to supply power to the rear-stage control module, and waking up the rear-stage control module from the standby state to an operating state;

when the rear-stage control module is switched from the running state to the standby state, a second control signal is generated;

And triggering the power supply switch module to be in an off state according to the second control signal so as to control the power supply line between the main power supply module and the rear-stage control module to be disconnected.

In the above scheme, the standby wake-up module comprises an auxiliary power module and a first control module, wherein the input end of the auxiliary power module is connected with the output end of the main power module, and the output end of the auxiliary power module is connected with the input end of the first control module; the method further comprises the steps of: and controlling the output current of the main power supply module to flow through the auxiliary power supply module so as to supply power to the first control module.

In the above solution, the first control module includes: a first diode and a first switching device; the anode of the first diode is connected with the output end of the auxiliary power supply module through the first switching device; the cathode of the first diode is connected with the first input end of the power supply switch module; when the first switching device is in a closed state, outputting the first control signal through the cathode of the first diode; and controlling the first control signal to be input to the first input end of the power supply switch module so as to trigger the power supply switch module to be in a closed state.

In the above solution, the first control module includes: the first PNP tube, the first NPN tube and the first switching device; the collector electrode of the first PNP tube is connected with the first input end of the power supply switch module; the base electrode of the first PNP tube is connected with the emitter electrode and is also connected with the collector electrode of the first NPN tube; the base electrode of the first NPN tube is connected with the emitter electrode and is also connected with the output end of the auxiliary power supply module through the first switching device; when the first switching device is in a closed state, outputting the first control signal through the collector electrode of the first PNP tube; and controlling the first control signal to be input to the first input end of the power supply switch module so as to trigger the power supply switch module to be in a closed state.

In the above scheme, the method further comprises: when the rear control module is in an operation state, a third control signal is generated; and triggering the power supply switch module to be kept in a closed state according to the third control signal so as to control the main power supply module to continuously supply power to the rear-stage control module.

In the above solution, the triggering the power supply switch module according to the third control signal to keep in a closed state includes: and controlling a second control module to trigger the power supply switch module to be kept in a closed state by using the third control signal.

In the above scheme, the triggering the power supply switch module according to the first control signal to be in the closed state includes: the first control signal is used for controlling the second control module to trigger the power supply switch module to be in a closed state; the triggering the power supply switch module to be in an off state according to the second control signal includes: and controlling the second control module to trigger the power supply switch module to be in an off state by utilizing the second control signal.

In the above solution, the second control module includes: a second PNP tube and a second NPN tube; the collector electrode of the second PNP tube is connected with the first input end of the power supply switch module; the base electrode of the second PNP tube is connected with the emitter electrode and is also connected with the collector electrode of the second NPN tube; the base electrode of the second NPN tube is connected with the output end of the rear-stage control module, is also connected with the emitter and is also grounded; the base electrode of the second NPN tube receives a control signal and outputs the control signal through the collector electrode of the second PNP tube; wherein the control signal comprises the second control signal and the third control signal; and controlling the control signal to be input to the first input end of the power supply switch module so as to trigger the opening and closing state of the power supply switch module.

In the above solution, the second control module includes: a second diode and a second NPN tube; the collector of the second NPN tube is connected with the first input end of the power supply switch module through the second diode and is also connected with a first voltage source; the base electrode is connected with the output end of the rear-stage control module, and is also connected with the emitter electrode and grounded; the base electrode of the second NPN tube receives the control signal and outputs the control signal through the cathode of the second diode; and controlling the control signal to be input to the first input end of the power supply switch module so as to trigger the opening and closing state of the power supply switch module.

In a second aspect, there is provided a power control circuit comprising: the device comprises a main power supply module, a power supply switch module, a rear-stage control module and a standby awakening module;

the second input end of the power supply switch module is connected with the main power supply module; the output end of the power supply switch module is connected with the input end of the rear-stage control module; the first input end of the power supply switch module is connected with the output end of the rear-stage control module and is also connected with the output end of the standby awakening module; the main power supply module is used for supplying power to the rear-stage control module through the power supply switch module;

When the rear-stage control module is in a standby state, the power supply switch module receives a first control signal sent by the standby awakening module and controls the power supply switch module to be in a closed state so as to awaken the rear-stage control module from the standby state to an operating state;

when the rear-stage control module is switched from the running state to the standby state, the power supply switch module receives a second control signal sent by the rear-stage control module and controls the power supply switch module to be in an off state.

In the above scheme, when the rear-stage control module is in an operation state, the power supply switch module receives a third control signal sent by the rear-stage control module and controls the power supply switch module to be kept in a closed state.

In the above scheme, the power control circuit further includes a second control module; the output end of the power supply switch module is connected with the first input end of the power supply switch module through the rear-stage control module and the second control module; when the rear-stage control module is switched from the running state to the standby state, the power supply switch module receives the second control signal sent by the rear-stage control module through the second control module and controls the power supply switch module to be in an off state.

In the above scheme, when the rear-stage control module is in an operation state, the power supply switch module receives the third control signal sent by the rear-stage control module through the second control module, and controls the power supply switch module to be kept in a closed state.

In the above scheme, the power supply switch module includes: a second switching device; the second input end of the second switching device is connected with the output end of the main power supply module, and the output end of the second switching device is connected with the input end of the rear-stage control module; the first input end of the second switching device is connected with the output end of the standby awakening module.

In the above scheme, the power supply switch module further includes: a homodromous diode; the homodromous diode is connected with the second switching device in parallel, one end of the homodromous diode is at the base, and the other end of the homodromous diode is connected with the output end of the standby awakening module.

In the above scheme, the power supply switch module further includes: a first resistor and a second resistor; the first input end of the second switching device is grounded through the first resistor, and the second resistor is connected in series between the first input end and the output end of the standby wake-up module.

In the above scheme, the standby wake-up module comprises a first control module and an auxiliary power module; the input end of the auxiliary power supply module is used as the input end of the standby wake-up module and is connected with the output end of the main power supply module, and the output end of the auxiliary power supply module is connected with the input end of the first control module; the main power supply module supplies power to the first control module through the auxiliary power supply module; the first control module is used for waking up the later control module from a standby state to an operating state.

In the above solution, the first control module includes: a first switching device; one end of the first switching device is connected with the output end of the auxiliary power supply module, and the other end of the first switching device is connected with the first input end of the power supply switching module.

In the above solution, the first control module further includes: a first diode; the other end of the first switching device is connected with a first input end of the power supply switching module through the first diode.

In the above solution, the first control module further includes: a first PNP tube and a first NPN tube; the collector of the first PNP tube is connected with the first input end of the power supply switch module, and the emitter is connected with the base; the base electrode of the first NPN tube is connected with the output end of the auxiliary power supply module through the first switching device, and the emitter is connected with the base electrode and is also grounded; the first control module further includes: a third resistor, a fourth resistor, a fifth resistor and a sixth resistor; the third resistor is connected in series between the emitter and the base of the first PNP tube; the fourth resistor is connected in series between the base electrode of the first NPN tube and the first switching device; the fifth resistor is connected in series between the base electrode and the emitter electrode of the first NPN tube; and the sixth resistor is connected in series between the base electrode of the first PNP tube and the collector electrode of the first NPN tube.

In the above scheme, the second control module is configured to control an open-close state of the power supply switch module.

In the above solution, the second control module includes: a second NPN tube and a first voltage source; the base electrode of the second NPN tube is connected with the output end of the rear-stage control module, and is also connected with the emitter and grounded; and the collector electrode of the second NPN tube is connected with the first voltage source and is also connected with the first input end of the power supply switch module.

In the above solution, the second control module further includes: a second diode, a seventh resistor, an eighth resistor and a ninth resistor; the collector of the second NPN tube is connected with the first voltage source through the seventh resistor and is also connected with the first input end of the power supply switch module through the second diode; the eighth resistor is connected in series between the base electrode of the second NPN tube and the other end of the rear-stage control module; and the ninth resistor is connected in series between the base electrode and the emitter electrode of the second NPN tube.

In the above solution, the second control module further includes: a second PNP tube;

the base electrode of the second PNP tube is connected with the collector electrode of the second NPN tube, is also connected with the emitter electrode and is connected with the first voltage source; the collector electrode of the second PNP tube is connected with the first input end of the power supply switch module; the second control module further includes: eighth, ninth, tenth and eleventh resistors; the tenth resistor is connected in series between the base electrode and the emitter electrode of the second PNP tube; the eighth resistor is connected in series between the base electrode of the second NPN tube and the output end of the rear-stage control module; the ninth resistor is connected in series between the base electrode and the emitter electrode of the second NPN tube; and an eleventh resistor is connected in series between the base electrode of the second PNP tube and the collector electrode of the second NPN tube.

In the above scheme, the auxiliary power module includes: the voltage stabilizing tube, the first capacitor and the twelfth resistor; the positive electrode of the voltage stabilizing tube is connected with the input end of the first control module and is also connected with the output end of the main power supply module through the twelfth resistor; the negative electrode of the voltage stabilizing tube is grounded; the first capacitor is connected in parallel with two ends of the voltage stabilizing tube.

In the above scheme, the main power module includes: the bridge stack is connected with the first capacitor and the second capacitor; two feet and three feet of the bridge pile are used as alternating current input ends, and the three feet are also connected with the protective tube in series; the second capacitor is connected in parallel with one pin and four pins of the bridge stack; the third capacitor is connected in parallel with two ends of the second capacitor; four pins of the bridge stack are grounded.

In a third aspect, a power control apparatus is provided for controlling the power control circuit according to any one of the above embodiments, comprising:

the generating unit is used for receiving a standby awakening instruction by the standby awakening module when the rear-stage control module is in a standby state, and responding to the standby awakening instruction to generate a first control signal;

the control unit is used for triggering the power supply switch module to be in a closed state according to the first control signal so as to control the main power supply module to supply power to the rear-stage control module and awaken the rear-stage control module from the standby state to the running state;

The generating unit is used for generating a second control signal when the rear-stage control module is switched from the running state to the standby state;

the control unit is used for triggering the power supply switch module to be in an off state according to the second control signal so as to control the power supply line between the main power supply module and the rear-stage control module to be disconnected.

In a fourth aspect, there is provided a home appliance comprising: a processor and a memory configured to store a computer program executable on the processor, the household appliance comprising: the power control circuit of any of the above embodiments, and the processor being configured to perform the steps of the aforementioned method when the computer program is run.

In a fifth aspect, a computer readable storage medium is provided, on which a computer program is stored, wherein the computer program, when being executed by a processor, implements the steps of the aforementioned method.

By adopting the technical scheme, when the rear-stage control module is in a standby state, a power supply line between the main power supply module and the rear-stage control module is disconnected, the main power supply module cannot supply power to the rear-stage control module, namely, the rear-stage control module is in standby in a power-off state, so that certain power consumption is reduced.

Drawings

FIG. 1 is a flow chart of a power control method according to an embodiment of the application;

FIG. 2 is a schematic diagram of a first configuration of a power control circuit according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a second configuration of a power control circuit according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a third configuration of a power control circuit according to an embodiment of the present application;

FIG. 5 is a diagram illustrating a fourth configuration of a power control circuit according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a power control device according to an embodiment of the present application;

fig. 7 is a schematic view of a composition structure of a home appliance in an embodiment of the present application.

Detailed Description

For a more complete understanding of the nature and the technical content of the embodiments of the present application, reference should be made to the following detailed description of embodiments of the application, taken in conjunction with the accompanying drawings, which are meant to be illustrative only and not limiting of the embodiments of the application.

Example 1

An embodiment of the application provides a power control method, and fig. 1 is a schematic flow chart of the power control method in the embodiment of the application, and as shown in fig. 1, the power control method is applied to a household appliance, and the household appliance at least comprises an air conditioner.

The specific steps may include:

Step 101: when the later control module is in a standby state, the standby wake-up module receives a standby wake-up instruction, and responds to the standby wake-up instruction to generate a first control signal;

it should be noted that the rear control module is a main control module of the household appliance, and is used for controlling the working state (including the running state and the standby state) of the household appliance. Here, the rear-stage control module is in a standby state, i.e., the home appliance is in a standby state.

For example, the standby wake-up module may receive a standby wake-up instruction by pressing a start-up key on a remote controller of the home appliance or touching a start-up key on a display panel of the home appliance and pressing or touching a certain time threshold, and respond to the standby wake-up instruction, so that the standby wake-up module generates the first control signal. Here, the standby wakeup module may include a remote control or a display panel of the home appliance.

In some embodiments, the standby wakeup module includes a secondary power module and a first control module; wherein, the input end of the auxiliary power supply module is connected with the output end of the main power supply module, and the output end of the auxiliary power supply module is connected with the input end of the first control module; the method further comprises the steps of: and controlling the output current of the main power supply module to flow through the auxiliary power supply module so as to supply power to the first control module.

The first control module may be a remote controller or a display panel of the home appliance, for example.

Here, the input end of the auxiliary power module is connected to the output end of the main power module, that is, the output current of the main power module flows through the auxiliary power module to the first control module to supply power to the first control module.

In some embodiments, the first control module comprises: a first diode and a first switching device; the anode of the first diode is connected with the output end of the auxiliary power supply module through the first switching device; the cathode of the first diode is connected with the first input end of the power supply switch module; when the first switching device is in a closed state, outputting the first control signal through the cathode of the first diode; and controlling the first control signal to be input to the first input end of the power supply switch module so as to trigger the power supply switch module to be in a closed state.

In some embodiments, the first control module comprises: the first PNP tube, the first NPN tube and the first switching device; the collector electrode of the first PNP tube is connected with the first input end of the power supply switch module; the base electrode of the first PNP tube is connected with the emitter electrode and is also connected with the collector electrode of the first NPN tube; the base electrode of the first NPN tube is connected with the emitter electrode and is also connected with the output end of the auxiliary power supply module through the first switching device; when the first switching device is in a closed state, outputting the first control signal through the collector electrode of the first PNP tube; and controlling the first control signal to be input to the first input end of the power supply switch module so as to trigger the power supply switch module to be in a closed state.

Step 102: triggering a power supply switch module to be in a closed state according to the first control signal so as to control a main power supply module to supply power to the rear-stage control module, and waking up the rear-stage control module from the standby state to an operating state;

the standby wake-up module outputs a first control signal to the power supply switch module to enable the power supply switch module to be in a closed state so as to conduct a power supply line between the main power supply module and the rear-stage control module, so that output current of the main power supply module flows through the power supply switch module to the rear-stage control module to control the rear-stage control module to wake-up from the standby state to the running state.

Step 103: when the rear-stage control module is switched from the running state to the standby state, a second control signal is generated;

for example, the rear control module may receive a standby instruction by pressing a power-off key on a remote controller of the home appliance or touching a power-off key on a display panel of the home appliance and pressing or touching a certain time threshold, and respond to the standby instruction, so that the rear control module generates the second control signal.

Here, the rear-stage control module generates the second control signal with the purpose of keeping the rear-stage control module in a standby state, i.e., the home appliance in a standby state.

Step 104: and triggering the power supply switch module to be in an off state according to the second control signal so as to control the power supply line between the main power supply module and the rear-stage control module to be disconnected.

The second control signal is output to the power supply switch module by the rear control module to enable the power supply switch module to be in an off state, so that a power supply line between the main power supply module and the rear control module is blocked, and the rear control module is kept in a standby state.

In some embodiments, the triggering the power supply switch module to be in an off state according to the second control signal includes: and controlling the second control module by using the second control signal to trigger the power supply switch module to be in an off state.

Here, the second control signal output by the rear control module is used as an input of the second control module, the output end of the second control module outputs the second control signal, and the second control signal is input to the power supply switch module, so that the power supply switch module is triggered to be in an off state.

In some embodiments, the second control module comprises: a second PNP tube and a second NPN tube; the collector electrode of the second PNP tube is connected with the first input end of the power supply switch module; the base electrode of the second PNP tube is connected with the emitter electrode and is also connected with the collector electrode of the second NPN tube; the base electrode of the second NPN tube is connected with the output end of the rear-stage control module, is also connected with the emitter and is also grounded; the base electrode of the second NPN tube receives a control signal and outputs the control signal through the collector electrode of the second PNP tube; wherein the control signal comprises the second control signal and the third control signal; and controlling the control signal to be input to the first input end of the power supply switch module so as to trigger the opening and closing state of the power supply switch module.

In some embodiments, the second control module comprises: a second diode and a second NPN tube; the collector of the second NPN tube is connected with the first input end of the power supply switch module through the second diode and is also connected with a first voltage source; the base electrode is connected with the output end of the rear-stage control module, and is also connected with the emitter electrode and grounded; the base electrode of the second NPN tube receives the control signal and outputs the control signal through the cathode of the second diode; and controlling the control signal to be input to the first input end of the power supply switch module so as to trigger the opening and closing state of the power supply switch module.

In some embodiments, the method further comprises: when the rear control module is in an operation state, a third control signal is generated; and triggering the power supply switch module to be kept in a closed state according to the third control signal so as to control the main power supply module to continuously supply power to the rear-stage control module.

When the rear control module is in the operation state, the rear control module generates a third control signal, and the rear control module outputs the third control signal to the power supply switch module to enable the power supply switch module to be in the closed state so as to conduct a power supply line between the main power supply module and the rear control module and enable the rear control module to be kept in the operation state.

In some embodiments, the triggering the power switch module to remain in a closed state according to the third control signal includes: and controlling a second control module to trigger the power supply switch module to be kept in a closed state by using the third control signal.

Here, the third control signal output by the rear control module is used as the input of the second control module, the output end of the second control module outputs the third control signal, and then the third control signal is input to the power supply switch module, so that the power supply switch module is triggered to be in a closed state.

Here, the execution subject of steps 101 to 104 may be a processor of the home appliance.

Example two

Based on the first embodiment, the present application provides a power control circuit, and fig. 2 is a schematic diagram of a first component structure of the power control circuit in the embodiment of the present application. As shown in fig. 2, the power control circuit mainly includes: a main power supply module 201, a power supply switch module 202, a back-stage control module 203 and a standby wake-up module 205.

A second input end of the power supply switch module 202 is connected with the main power supply module 201; the output end of the power supply switch module 202 is connected with the input end of the post-stage control module 203, and the first input end of the power supply switch module 202 is connected with the output end of the post-stage control module 203 and also connected with the output end of the standby wake-up module 205; the main power supply module 201 is used for supplying power to the rear control module 203 through the power supply switch module 202;

when the rear-stage control module 203 is in a standby state, the power supply switch module 202 receives a first control signal sent by the standby wake-up module 205, and controls the power supply switch module 202 to be in a closed state so as to wake up the rear-stage control module 203 from the standby state to an operating state;

when the rear control module 203 switches from the running state to the standby state, the power supply switch module 202 receives the second control signal sent by the rear control module 203, and controls the power supply switch module 202 to be in the off state.

In some embodiments, when the rear control module 203 is in the running state, the power switch module 202 receives the third control signal sent by the rear control module 203, and controls the power switch module 202 to be kept in the closed state.

In some embodiments, the power control circuit further includes a second control module 204; the output end of the power supply switch module 202 is connected with the first input end of the power supply switch module 202 through the rear control module 203 and the second control module 204; when the rear control module 203 switches from the running state to the standby state, the power supply switch module 202 receives the second control signal sent by the rear control module 203 through the second control module 204, and controls the power supply switch module 202 to be in the off state.

In some embodiments, when the rear control module 203 is in the operation state, the power switch module 202 receives the third control signal sent by the rear control module 203 through the second control module 204, and controls the power switch module 202 to be kept in the closed state.

In some embodiments, the standby wakeup module 205 includes the secondary power module 20 and the first control module 21; wherein, the input end of the auxiliary power module 20 is connected with the output end of the main power module 201, and the output end of the auxiliary power module 20 is connected with the input end of the first control module 21; the method further comprises the steps of: the output current of the main power module 201 is controlled to flow through the auxiliary power module 20 to supply power to the first control module 21.

In practical application, when the rear control module 203 is in the standby state, the main power module 201 supplies power to the first control module 21 through the auxiliary power module 20 to control the first control module 21 to generate a first control signal, and inputs the first control signal to the power supply switch module 202, so as to trigger the power supply switch module 202 to be in the closed state, and control the main power module 201 to supply power to the rear control module 203, thereby achieving the purpose of waking up the rear control module 203 from the standby state to the running state. After the post-stage control module 203 wakes up from the standby state to the running state, the post-stage control module 203 generates a third control signal, the third control signal is sent to the power supply switch module 202 through the second control module 204, the power supply switch module 202 is triggered to be in a closed state, and the main power supply module 201 supplies power to the post-stage control module 203 through the power supply switch module 202, so that the purpose that the post-stage control module 203 is kept in the running state is achieved. Here, the post-stage control module 203 can be kept in an operating state, because the third control signal output by the second control module 204 makes the power supply switch module 202 be in a closed state, and takes over the closing mode that the first control signal output by the original first control module 21 makes the power supply switch module 202 be in the closed state, at this time, the standby wake-up module 205 stops working state. If the rear control module 203 is switched from the running state to the standby state, the rear control module 203 generates a second control signal and sends the second control signal to the second control module 204 to control the second control module 204 to trigger the power supply switch module 202 to be in the off state, and the power supply line between the main power supply module 201 and the rear control module 203 is disconnected, so that the purpose that the rear control module 203 is in the standby state is achieved.

It should be noted that, each module of the power control circuit further includes other matching components, for example, one or more combinations of resistors, diodes, triodes, switches, capacitors, and voltage regulators. The main power supply module can supply power to the rear control module when the control power supply switch module is in a closed state through each module combined by one or more components, and the rear control module is in an operating state; when the control power supply switch module is in an off state, the main power supply module cannot supply power to the rear-stage control module, and the rear-stage control module is in a standby state, namely, the rear-stage control module is in standby in a power-off state, so that certain power consumption is reduced. Here, the standby is performed in the power-off state, that is, the rear control module enters the deep standby state, and the ultra-low standby power is close to zero watt standby.

Example III

Based on the second embodiment, the present application provides a power control circuit, and fig. 3 is a schematic diagram of a second composition structure of the power control circuit in the embodiment of the present application.

As shown in fig. 3, the power control circuit includes a main power module, a power supply switch module, a rear control module (not shown in fig. 3, one port is a P port, and the other port is an MCU-OFF port), a second control module, and a standby wake-up module (including an auxiliary power module and a first control module).

The power supply switch module includes: a second switching device (e.g., relay RL) and a photodiode D3. The specific connection method comprises the following steps: the second input end of the RL (namely the second input end of the power supply switch module) is connected with the output end of the main power supply module, and the output end of the RL (namely the output end of the power supply switch module) is connected with the P port of the rear-stage control module; the second input end of RL is connected with the positive electrode of D3 and is also grounded; the first input end of RL (i.e. the first input end of the power supply switch module) is connected to the negative electrode of D3 and also to the output end of the standby wake-up module.

Here, D3 is used to protect the RL from damage when power is off.

The first control module includes: a first diode D1 and a first switching device K. The specific connection method comprises the following steps: the positive electrode of the D1 is connected with the output end of the auxiliary power supply module through K; the negative pole of D1 is connected to the first input of the power switch module (i.e. to the first input of RL).

The auxiliary power module includes: a regulator tube DZ, a first capacitor C1 and a twelfth resistor R12. The concrete connection mode is as follows: the positive electrode of DZ (positive electrode voltage 11V) is connected with one end of K and is also connected with the DC_P end (namely the output end of the main power supply module) through R12; the negative electrode of DZ is grounded; c1 is connected in parallel at two ends of DZ.

Here, C1 plays a role of filtering and storing energy. R12 acts as a current limiter. The voltage at the DC_P end is equal to the voltage at the C3 end, and the voltage range is 9-13V.

The second control module includes: the second PNP pipe PNP2, the second NPN pipe NPN2, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11 and a first voltage source DCC1. The specific connection method comprises the following steps: the collector of PNP2 is connected with the first input end of the power supply switch module; the emitter of PNP2 is connected with DCC1 (+15V) and also connected with the base of PNP2 through R10; the base electrode of NPN2 is connected with the MCU-OFF port of the rear control module through R8 and is grounded through R9; the emitter of NPN2 is grounded; the base of NPN2 is connected with the base of PNP2 through R11. The DCC1 may be a power module in a rear control module.

Here, R8, R9, R10, and R11 play a role in current limiting.

The main power module includes: a fuse F, a bridge stack BR (consisting of four diodes), a second capacitor C2 and a third capacitor C3. The concrete connection mode is as follows: two feet and three feet of BR are used as alternating current input ends, and the three feet are also connected in series with F; c2 is connected in parallel with one pin and four pins of BR; c3 is connected in parallel with two ends of C2; four feet of BR are grounded.

Here, two-phase alternating current (N phase and L phase) is used as input ends of two legs and three legs of the BR, the BR rectifies the two-phase alternating current to obtain direct current, after C2 filtering, the rectified direct current is used to store energy for C3, and the voltage range of both ends of the C3 is 9-13V.

In practical application, when the rear control module is in a standby state, the RL in the power supply switch module is in an off state, if the rear control module is switched from the standby state to the running state, the K key is pressed for a certain time threshold, the auxiliary power module supplies power to the first control module, a first control signal is output through the negative electrode of D1 in the first control module to trigger the RL to be closed, and the main power module can supply power to the rear control module through the power supply switch module to wake up the rear control module; the rear-stage control module generates a third control signal and inputs the third control signal to the second control module from the MCU-OFF port, NPN2 and PNP2 in the second control module are conducted, a first voltage source (+ 15V, the voltage can be provided by the rear-stage control module) provides voltage to the RL through an emitter and a collector of the PNP2 so as to trigger the RL to be closed, and the main power module can supply power to the rear-stage control module through the power supply switch module so as to keep the rear-stage control module in an operation state. Here, due to the forward-on and reverse-off characteristics of the diode, the current output from the collector of the PNP2 flows to the power supply switch module, and at this time, D1 is in an off state, i.e., the first control module stops operating.

If the rear-stage control module is switched from the running state to the standby state, the rear-stage control module generates a second control signal and inputs the second control signal to the second control module from the MCU-OFF port, so that NPN2 and PNP2 in the second control module are in a cut-OFF state, the first voltage source DCC1 (+15V) cannot provide voltage to RL through the emitter and the collector of PNP2 so as to trigger RL to be disconnected, and the main power module cannot supply power to the rear-stage control module through the power supply switch module so as to keep the rear-stage control module in the standby state.

Example IV

Based on the third embodiment, the present application provides a power control circuit, and fig. 4 is a schematic diagram of a third composition structure of the power control circuit in the embodiment of the present application.

As shown in fig. 4, the first control module may further include: the first PNP tube PNP1, the first NPN tube NPN1, the second switching device K, the third resistor R3, the fourth resistor R4, the fifth resistor R5 and the sixth resistor R6. The concrete connection mode is as follows: the collector of the PNP1 is connected with the first input end of the power supply switch module, and the emitter of the PNP1 is connected with the base of the PNP1 through R3; the base electrode of the NPN1 is connected with the output end of the auxiliary power supply module after being connected in series through R4 and K, and is grounded through R5; the emitter of NPN1 is grounded; the base of PNP1 is connected with the base of NPN1 through R6.

Here, R3, R4, R5, and R6 play a role in current limiting. The voltage of the emitter of PNP1 is equal to the voltage of the output end of the auxiliary power supply module (11V is possible).

Here, the connection manner between the components in the other modules is the same as in the third embodiment, and will not be described in detail.

In practical application, when the rear control module is in a standby state, the RL in the power supply switch module is in an off state, if the rear control module is switched from the standby state to the running state, the K key is pressed for a certain time threshold, the auxiliary power module supplies power to the first control module, a first control signal is output through the collector electrode of PNP1 in the first control module to trigger the RL to be closed, and the main power module can supply power to the rear control module through the power supply switch module to wake up the rear control module; the rear-stage control module generates a third control signal and inputs the third control signal to the second control module from the MCU-OFF port, NPN2 and PNP2 in the second control module are conducted, a first voltage source DCC1 (+ 15V) provides voltage to RL through an emitter and a collector of PNP2 so as to trigger RL to be closed, and the main power supply module can supply power to the rear-stage control module through the power supply switch module so as to keep the rear-stage control module in an operation state. Here, due to the forward on and reverse off characteristics of PNP1, the current output from the collector of PNP2 flows to the power supply switch module, and at this time, PNP1 is in an off state, i.e., the first control module stops operating.

Example five

Based on the above embodiments, the present application provides a power control circuit, and fig. 5 is a schematic diagram of a fourth composition structure of the power control circuit in the embodiment of the present application.

As shown in fig. 5, the power supply switch module may further include: a second switching device (such as a third PNP transistor PNP 3), a first resistor R1, and a second resistor R2. The specific connection method comprises the following steps: the concrete connection mode is as follows: the emitter of the PNP3 (namely the second input end of the power supply switch module) is connected with the output end of the main power supply module, and the collector of the PNP3 (namely the output end of the power supply switch module) is connected with the P port of the rear-stage control module; the base of PNP3 (i.e. the first input of the power switching module) is connected in series via R1 to ground and also connected via R2 to the output of the first control module.

Here, R1 and R2 act as current limiting.

The second control module may further include: the second diode D2, the second NPN transistor NPN2, the seventh resistor R7, the eighth resistor R8, the ninth resistor R9 and the first voltage source DCC1. The concrete connection mode is as follows: the collector of NPN2 is connected with one end of R2 through D3 and is also connected with DCC1 through R7; the base electrode of NPN2 is connected with the MCU-OFF port of the rear control module through R8 and is grounded through R9; the emitter of NPN2 is grounded.

Here, R7, R8, R9 act as current limiting.

In practical application, when the rear control module is in a standby state, PNP3 in the power supply switch module is in a cut-off state, if the rear control module is switched from the standby state to an operation state, a certain time threshold is pressed on a K key, the auxiliary power module supplies power to the first control module, a first control signal is output through a negative electrode of D1 in the first control module to trigger PNP3 to be in a conducting state, and the main power module can supply power to the rear control module through the power supply switch module to wake up the rear control module; the rear-stage control module generates a third control signal and inputs the third control signal to the second control module from the MCU-OFF port, NPN2 and D2 in the second control module are conducted, a first voltage source DCC1 (+ 15V) provides voltage to PNP3 through D2 to trigger the conduction of an emitter and a collector of PNP3, and the main power supply module can supply power to the rear-stage control module through the power supply switch module so as to keep the rear-stage control module in an operation state. Here, due to the characteristic that the diode D1 is turned on in the forward direction and turned off in the reverse direction, the current outputted from the negative electrode of D2 flows to the power supply switching module, and at this time D1 is in the off state, i.e., the first control module is in the off state.

If the rear-stage control module is switched from the running state to the standby state, the rear-stage control module generates a second control signal and inputs the second control signal to the second control module from the MCU-OFF port, so that NPN2 and D2 in the second control module are in a cut-OFF state, the first voltage source DCC1 (+15V) cannot provide voltage to RL through the cathode of D2 so as to trigger PNP3 to be in the cut-OFF state, and the main power module cannot supply power to the rear-stage control module through the power supply switch module so as to keep the rear-stage control module in the standby state.

Example six

In order to implement the method of the embodiment of the present application and calculate the same inventive concept, the embodiment of the present application further provides a power control device, and fig. 6 is a schematic structural diagram of the power control device in the embodiment of the present application, where, as shown in fig. 6, the power control device includes:

the generating unit 601 is configured to, when the subsequent control module is in a standby state, receive a standby wakeup instruction by the standby wakeup module, and respond to the standby wakeup instruction to generate a first control signal;

The control unit 602 is configured to trigger, according to the first control signal, the power supply switch module to be in a closed state, so as to control the main power supply module to supply power to the secondary control module, and wake up the secondary control module from the standby state to an operating state;

the generating unit 601 is configured to generate a second control signal when the subsequent control module switches from the running state to the standby state;

the control unit 602 is configured to trigger the power supply switch module to be in an off state according to the second control signal, so as to control a power supply line between the main power supply module and the rear control module to be disconnected.

The embodiment of the application also provides a household appliance, fig. 7 is a schematic diagram of a composition structure of the household appliance in the embodiment of the application, and as shown in fig. 7, the electronic device includes: a processor 701 and a memory 702 configured to store a computer program capable of running on the processor;

wherein the processor 701 is configured to execute the method steps of the previous embodiments when running a computer program.

Of course, in actual practice, the various components of the electronic device would be coupled together via a bus system 703, as shown in FIG. 7. It is appreciated that the bus system 703 is employed to facilitate connected communications between the components. The bus system 703 includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration the various buses are labeled as bus system 703 in fig. 7.

In practical applications, the processor may be at least one of an application specific integrated circuit (ASIC, application Specific Integrated Circuit), a digital signal processing device (DSPD, digital Signal Processing Device), a programmable logic device (PLD, programmable Logic Device), a Field-programmable gate array (Field-Programmable Gate Array, FPGA), a controller, a microcontroller, and a microprocessor. It will be appreciated that the electronics for implementing the above-described processor functions may be other for different devices, and embodiments of the present application are not particularly limited.

The Memory may be a volatile Memory (RAM) such as Random-Access Memory; or a nonvolatile Memory (non-volatile Memory), such as a Read-Only Memory (ROM), a flash Memory (flash Memory), a Hard Disk (HDD) or a Solid State Drive (SSD); or a combination of the above types of memories and provide instructions and data to the processor.

In an exemplary embodiment, the present application also provides a computer-readable storage medium storing a computer program.

Optionally, the computer readable storage medium may be applied to any one of the methods in the embodiments of the present application, and the computer program causes a computer to execute a corresponding flow implemented by a processor in each method in the embodiments of the present application, which is not described herein for brevity.

In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.

The units described as separate units may or may not be physically separate, and units displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing module, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units. Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware associated with program instructions, where the foregoing program may be stored in a computer readable storage medium, and when executed, the program performs steps including the above method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk or an optical disk, or the like, which can store program codes.

The methods disclosed in the method embodiments provided by the application can be arbitrarily combined under the condition of no conflict to obtain a new method embodiment.

The features disclosed in the several product embodiments provided by the application can be combined arbitrarily under the condition of no conflict to obtain new product embodiments.

The features disclosed in the embodiments of the method or the apparatus provided by the application can be arbitrarily combined without conflict to obtain new embodiments of the method or the apparatus.

The embodiment of the application also discloses a power control device, which comprises: the power control circuit of any of the above embodiments of the present application.

The embodiment of the application also discloses a household appliance, which comprises: the power control device in the above embodiment of the present application.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of power control, the method comprising:

triggering the power supply switch module to be in an off state according to the second control signal so as to control the power supply line between the main power supply module and the rear-stage control module to be disconnected;

the standby awakening module comprises an auxiliary power supply module and a first control module; the input end of the auxiliary power supply module is connected with the output end of the main power supply module, and the output end of the auxiliary power supply module is connected with the input end of the first control module;

the first control module includes: the first PNP tube, the first NPN tube and the first switching device; the collector electrode of the first PNP tube is connected with the first input end of the power supply switch module; the base electrode of the first PNP tube is connected with the emitter electrode and is also connected with the collector electrode of the first NPN tube; the base electrode of the first NPN tube is connected with the emitter electrode and is also connected with the output end of the auxiliary power supply module through the first switching device;

When the first switching device is in a closed state, outputting the first control signal through the collector electrode of the first PNP tube;

controlling the first control signal to be input to a first input end of the power supply switch module so as to trigger the power supply switch module to be in a closed state;

wherein, auxiliary power module includes: the voltage stabilizing tube, the first capacitor and the twelfth resistor; the positive electrode of the voltage stabilizing tube is connected with the input end of the first control module and is also connected with the output end of the main power supply module through the twelfth resistor; the negative electrode of the voltage stabilizing tube is grounded; the first capacitor is connected in parallel with two ends of the voltage stabilizing tube; the method further comprises the steps of: controlling the output current of the main power supply module to flow through the auxiliary power supply module so as to supply power to the first control module;

the triggering the power supply switch module to be in an off state according to the second control signal includes:

controlling a second control module to trigger the power supply switch module to be in an off state by using the second control signal; the second control module includes: a second PNP tube and a second NPN tube; the collector electrode of the second PNP tube is connected with the first input end of the power supply switch module; the base electrode of the second PNP tube is connected with the emitter electrode and is also connected with the collector electrode of the second NPN tube; the base electrode of the second NPN tube is connected with the output end of the rear-stage control module, is also connected with the emitter and is also grounded;

The base electrode of the second NPN tube receives a control signal and outputs the control signal through the collector electrode of the second PNP tube; wherein the control signal comprises the second control signal;

and controlling the control signal to be input to the first input end of the power supply switch module so as to trigger the opening and closing state of the power supply switch module.

2. The method according to claim 1, wherein the method further comprises:

when the rear control module is in an operation state, a third control signal is generated;

and triggering the power supply switch module to be kept in a closed state according to the third control signal so as to control the main power supply module to continuously supply power to the rear-stage control module.

3. The method of claim 2, wherein the triggering the power switch module to remain in a closed state according to the third control signal comprises:

the third control signal is used for controlling a second control module to trigger the power supply switch module to be kept in a closed state; the control signal includes the third control signal.

4. A power control circuit, the power control circuit comprising: the device comprises a main power supply module, a power supply switch module, a rear-stage control module and a standby awakening module;

The output end of the main power supply module is connected with the second input end of the power supply switch module and is also connected with the input end of the standby awakening module; the output end of the power supply switch module is connected with the input end of the rear-stage control module; the first input end of the power supply switch module is connected with the output end of the rear-stage control module and is also connected with the output end of the standby awakening module; the main power supply module is used for supplying power to the rear-stage control module through the power supply switch module and is also used for supplying power to the standby wake-up module;

when the rear control module is switched from the running state to the standby state, the power supply switch module receives

The second control signal sent by the rear-stage control module controls the power supply switch module to be in an off state;

the standby wake-up module comprises a first control module and an auxiliary power module; the input end of the auxiliary power supply module is used as the input end of the standby wake-up module and is connected with the output end of the main power supply module, and the output end of the auxiliary power supply module is connected with the input end of the first control module;

The first control module includes: a first switching device; one end of the first switching device is connected with the output end of the auxiliary power supply module, and the other end of the first switching device is connected with the first input end of the power supply switch module;

the first control module further includes: a first PNP tube and a first NPN tube; the collector of the first PNP tube is connected with the first input end of the power supply switch module, and the emitter is connected with the base; the base electrode of the first NPN tube is connected with the output end of the auxiliary power supply module through the first switching device, and the emitter is connected with the base electrode and is also grounded;

wherein, auxiliary power module includes: the voltage stabilizing tube, the first capacitor and the twelfth resistor; the positive electrode of the voltage stabilizing tube is connected with the input end of the first control module and is also connected with the output end of the main power supply module through the twelfth resistor; the negative electrode of the voltage stabilizing tube is grounded; the first capacitor is connected in parallel with two ends of the voltage stabilizing tube;

wherein the power control circuit further comprises a second control module; the output end of the power supply switch module is connected with the first input end of the power supply switch module through the rear-stage control module and the second control module;

When the rear-stage control module is switched from an operation state to a standby state, the power supply switch module receives the second control signal sent by the rear-stage control module through the second control module and controls the power supply switch module to be in an off state;

the second control module is used for controlling the opening and closing states of the power supply switch module; the second control module includes: a second NPN tube and a first voltage source; the base electrode of the second NPN tube is connected with the output end of the rear-stage control module, and is also connected with the emitter and grounded; and the collector electrode of the second NPN tube is connected with the first voltage source and is also connected with the first input end of the power supply switch module.

5. The power control circuit of claim 4, wherein,

when the rear-stage control module is in an operation state, the power supply switch module receives a third control signal sent by the rear-stage control module and controls the power supply switch module to be kept in a closed state.

6. The power control circuit of claim 5, wherein,

when the rear-stage control module is in an operating state, the power supply switch module receives the third control signal sent by the rear-stage control module through the second control module and controls the power supply switch module to be kept in a closed state.

7. The power control circuit of claim 4, wherein,

the power supply switch module includes: a second switching device;

the second input end of the second switching device is connected with the output end of the main power supply module, and the output end of the second switching device is connected with the input end of the rear-stage control module; the first input end of the second switching device is connected with the output end of the standby awakening module.

8. The power control circuit of claim 7, wherein,

the power switch module further includes: a homodromous diode;

the homodromous diode is connected with the second switching device in parallel, one end of the homodromous diode is at the base, and the other end of the homodromous diode is connected with the output end of the standby awakening module.

9. The power control circuit of claim 7, wherein,

the power switch module further includes: a first resistor and a second resistor;

the first input end of the second switching device is grounded through the first resistor, and the second resistor is connected in series between the first input end and the output end of the standby wake-up module.

10. The power control circuit of claim 4, wherein,

The main power supply module supplies power to the first control module through the auxiliary power supply module; the first control module is used for waking up the later control module from a standby state to an operating state.

11. The power control circuit of claim 4, wherein,

the first control module further includes: a third resistor, a fourth resistor, a fifth resistor and a sixth resistor;

the third resistor is connected in series between the emitter and the base of the first PNP tube; the fourth resistor is connected in series between the base electrode of the first NPN tube and the first switching device; the fifth resistor is connected in series between the base electrode and the emitter electrode of the first NPN tube; and the sixth resistor is connected in series between the base electrode of the first PNP tube and the collector electrode of the first NPN tube.

12. The power control circuit of claim 4, wherein,

the second control module further includes: a second diode, a seventh resistor, an eighth resistor and a ninth resistor;

the collector of the second NPN tube is connected with the first voltage source through the seventh resistor and is also connected with the first input end of the power supply switch module through the second diode; the eighth resistor is connected in series between the base electrode of the second NPN tube and the other end of the rear-stage control module; and the ninth resistor is connected in series between the base electrode and the emitter electrode of the second NPN tube.

13. The power control circuit of claim 4, wherein,

the second control module further includes: a second PNP tube;

the base electrode of the second PNP tube is connected with the collector electrode of the second NPN tube, is also connected with the emitter electrode and is connected with the first voltage source; the collector electrode of the second PNP tube is connected with the first input end of the power supply switch module;

the second control module further includes: eighth, ninth, tenth and eleventh resistors;

the tenth resistor is connected in series between the base electrode and the emitter electrode of the second PNP tube; the eighth resistor is connected in series between the base electrode of the second NPN tube and the output end of the rear-stage control module; the ninth resistor is connected in series between the base electrode and the emitter electrode of the second NPN tube; and an eleventh resistor is connected in series between the base electrode of the second PNP tube and the collector electrode of the second NPN tube.

14. The power control circuit of claim 4, wherein,

the main power module includes: the bridge stack is connected with the first capacitor and the second capacitor;

two feet and three feet of the bridge pile are used as alternating current input ends, and the three feet are also connected with the protective tube in series; the second capacitor is connected in parallel with one pin and four pins of the bridge stack; the third capacitor is connected in parallel with two ends of the second capacitor; four pins of the bridge stack are grounded.

15. A power control apparatus for controlling the power control circuit of any of claims 4-14, the apparatus comprising:

the control unit is used for triggering the power supply switch module to be in an off state according to the second control signal so as to control the power supply line between the main power supply module and the rear-stage control module to be disconnected;

wherein the first control module comprises: the first PNP tube, the first NPN tube and the first switching device; the collector electrode of the first PNP tube is connected with the first input end of the power supply switch module; the base electrode of the first PNP tube is connected with the emitter electrode and is also connected with the collector electrode of the first NPN tube; the base electrode of the first NPN tube is connected with the emitter electrode and is also connected with the output end of the auxiliary power supply module through the first switching device; when the first switching device is in a closed state, outputting the first control signal through the collector electrode of the first PNP tube; controlling the first control signal to be input to a first input end of the power supply switch module so as to trigger the power supply switch module to be in a closed state; the auxiliary power module includes: the voltage stabilizing tube, the first capacitor and the twelfth resistor; the positive electrode of the voltage stabilizing tube is connected with the input end of the first control module and is also connected with the output end of the main power supply module through the twelfth resistor; the negative electrode of the voltage stabilizing tube is grounded; the first capacitor is connected in parallel with two ends of the voltage stabilizing tube;

The control unit is further used for controlling the output current of the main power supply module to flow through the auxiliary power supply module so as to supply power to the first control module;

the second control signal is used for controlling the second control module to trigger the power supply switch module to be in an off state; the second control module includes: a second PNP tube and a second NPN tube; the collector electrode of the second PNP tube is connected with the first input end of the power supply switch module; the base electrode of the second PNP tube is connected with the emitter electrode and is also connected with the collector electrode of the second NPN tube; the base electrode of the second NPN tube is connected with the output end of the rear-stage control module, is also connected with the emitter and is also grounded;

16. A household appliance, characterized in that it comprises: the power control circuit of any of claims 4-14, and a processor and a memory configured to store a computer program capable of running on the processor,

Wherein the processor is configured to perform the steps of the method of any of claims 1 to 3 when the computer program is run.

17. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 3.