CN111857322B - Method and device for reducing standby power consumption of washing machine, washing machine and related equipment - Google Patents

Method and device for reducing standby power consumption of washing machine, washing machine and related equipment Download PDF

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Publication number
CN111857322B
CN111857322B CN202010568851.1A CN202010568851A CN111857322B CN 111857322 B CN111857322 B CN 111857322B CN 202010568851 A CN202010568851 A CN 202010568851A CN 111857322 B CN111857322 B CN 111857322B
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power supply
washing machine
resistor
target chip
chip
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CN111857322A (en
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孙延芬
周智博
范沿沿
唐吉林
李德栋
王国春
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Hisense Refrigerator Co Ltd
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Hisense Refrigerator Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/3287Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206Monitoring of events, devices or parameters that trigger a change in power modality

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

The embodiment of the application discloses a method and a device for reducing standby power consumption of a washing machine, the washing machine and related equipment. The method for reducing the standby power consumption of the washing machine is applied to a control circuit of the washing machine, the control circuit is provided with a plurality of chips, and the method comprises the following steps: monitoring the operation state of the washing machine; when the operation state of the washing machine is in a standby state, the other chips except the target chip are controlled to be powered off through one target chip in the plurality of chips. This application is through when washing machine is in standby state, guarantees that a target chip lasts the circular telegram to other chips except that target chip outage are controlled through this target chip, reach the purpose that reduces washing machine standby power consumption with this.

Description

Method and device for reducing standby power consumption of washing machine, washing machine and related equipment
Technical Field
The application relates to the technical field of household appliances, in particular to a method and a device for reducing standby power consumption of a washing machine, the washing machine, electronic equipment and a computer readable storage medium.
Background
The standby power consumption is the energy consumption of the product when the product is shut down or the main functions of the product are not enabled, and an European Community (EC) command of the European Union has a clear requirement on the standby power consumption of the household appliance, but the standby power consumption of the washing machine at the present stage, particularly the standby power consumption of the washing machine of a multi-chip electric control system, is difficult to meet the requirement.
It is noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the application and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The embodiment of the application provides a method for reducing the standby power consumption of a washing machine, and solves the problem of overhigh power consumption of the existing washing machine in a standby state.
The technical scheme adopted by the application is that the method for reducing the standby power consumption of the washing machine is applied to a control circuit of the washing machine, the control circuit is provided with a plurality of chips, and the method comprises the following steps:
monitoring the operation state of the washing machine;
when the operation state of the washing machine is the standby state, the other chips except the target chip are controlled to be powered off through one target chip in the plurality of chips.
In further embodiments, further comprising:
when a starting signal triggered by a user is monitored, the target chip controls other chips except the target chip to be electrified so as to enable the washing machine to enter a working state.
In another embodiment, the control circuit includes a power control circuit, the power control circuit is connected to the target chip and other chips except the target chip, and when the operation state of the washing machine is in the standby state, the other chips except the target chip are controlled to be powered off by one target chip of the plurality of chips, including:
when the operation state of the washing machine is in a standby state, the target chip controls other chips except the target chip to be powered off through the power control loop.
In another embodiment, on the basis of the above scheme, when the running state of the washing machine is determined to be the standby state, the starting signal of the washing machine is monitored in real time;
if the starting signal is monitored, the target chip controls other chips except the target chip to be electrified through the power control loop so as to enable the washing machine to enter a working state.
In further embodiments, monitoring the operational status of the washing machine includes:
monitoring a starting signal triggered by a user in real time, wherein the starting signal is used for indicating that the washing machine enters a working state;
if the starting signal is not monitored in the preset time period, the operation state of the washing machine can be determined to be a standby state.
An apparatus for reducing standby power consumption of a washing machine, comprising:
the monitoring module is used for monitoring the running state of the washing machine;
and the control module is used for controlling other chips except the target chip to be powered off through one target chip in the plurality of chips when the running state of the washing machine is the standby state.
A washing machine comprising:
a power supply for supplying power to the washing machine;
the key processing circuit is connected with the power supply and is used for receiving an instruction of a user to turn on or turn off the washing machine;
and the control circuit is electrically connected with the power supply and the key processing circuit and is used for controlling and executing the method for reducing the standby power consumption of the washing machine.
An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program performs the steps of the method for reducing standby power consumption of a washing machine as described above.
A computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of reducing standby power consumption of a washing machine as before.
The technical scheme provided by the application embodiment can have the following beneficial effects:
according to the technical scheme of the embodiment of the application, when the washing machine is in a standby state, a target chip is ensured to be continuously powered on, and other chips except the target chip are controlled to be powered off through the target chip, so that the standby power consumption requirement of the washing machine with multiple chips is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be derived from these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a flow chart illustrating a method of reducing standby power consumption of a washing machine according to an exemplary embodiment;
FIG. 2 is a block diagram of an embodiment of a control circuit according to the present application;
FIG. 3 is a circuit diagram of one illustrative embodiment of the power control loop 202 of the embodiment shown in FIG. 1;
FIG. 4 is a device 400 for reducing standby power consumption of a washing machine according to an embodiment of the present application;
FIG. 5 is a schematic structural view of a washing machine according to an exemplary embodiment;
fig. 6 is a schematic diagram illustrating a hardware structure of an apparatus for reducing standby power consumption of a washing machine according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for reducing standby power consumption of a washing machine according to an exemplary embodiment. The method for reducing the standby power consumption of the washing machine is applied to a control circuit of the washing machine, and the control circuit is provided with a plurality of chips.
As shown in fig. 1, the method for reducing standby power consumption of a washing machine may include the following steps S110 and S120.
In step S110, the operation state of the washing machine is monitored.
It should be noted that the precondition for monitoring the operation state of the washing machine is that the washing machine is powered on, i.e. the plug of the washing machine is connected to the commercial power socket.
When the washing machine is powered on, the operation state of the washing machine mainly includes an operating state and a standby state. The operation state refers to a state in which the washing machine is operating its main functions (e.g., washing, dehydrating, drying, etc.), and the standby state refers to a state in which the washing machine is turned off or is not operating its main functions.
It should be noted that most of the existing washing machines adopt a multi-chip split type electric control system, and the multi-chip means at least two chips. Illustratively, like the split type electric control system of display panel and control panel, display panel and control panel have main chip respectively, and two main chips are connected by communication. In the standby state, the display panel is used for detecting that the power key is pressed down, the starting function is realized, the control panel receives the display panel communication data in real time and executes certain control, and therefore in the standby state, the display panel and the main chip of the control panel are powered on and consume energy. Therefore, the standby power consumption of the multi-chip electronic control system is usually too high.
The operation state of the washing machine can be monitored in real time or periodically, and is not limited herein.
In one embodiment, the washing machine may be confirmed to be in a standby state when it is confirmed that the washing machine is not currently performing any of its primary functions.
In further embodiments, step S110 may further include the steps of:
monitoring a starting signal triggered by a user in real time, wherein the starting signal is used for indicating that the washing machine enters a working state;
if the starting signal is not monitored in the preset time period, the operation state of the washing machine can be determined to be a standby state.
After the washing machine is connected with the power supply, the target chip can monitor the starting signal triggered by the user in real time, and specifically, the starting signal triggered by the user is transmitted to the target chip through the power supply key. The power supply key can be a mechanical key, the mechanical key can be arranged on the whole washing machine and is directly connected to a target chip in a lead mode, and the target chip monitors the operation state of the mechanical key. In another embodiment, the power key may also be a touch key, which is processed by a corresponding touch chip, and when a user triggers a start key of the touch chip, a start signal is output by the tutor of the touch chip and transmitted to the target chip. No limitation is made to the manner in which the user triggers the activation signal.
Step S120, when the operation state of the washing machine is the standby state, controlling other chips except the target chip to be powered off through one target chip in the plurality of chips.
The chip is also called a Micro Controller Unit (MCU). A microcontroller is a computer in which main components of a microcomputer such as a processor, a memory, and an I/O interface circuit are integrated on one chip, and is also called a single chip microcomputer. The I/O port is an input/output port, namely, an interface between the singlechip and the outside can be used as a control port for outputting control instructions, and is schematic, such as motor control and the like, and can also be used as human-computer interaction, schematic, for displaying or receiving input and the like.
It should be noted that the target chip is selected in advance, and is used for controlling other chips except the target chip to be powered off through the target chip when the washing machine is in a standby state, so as to reduce the standby power consumption of the washing machine.
As mentioned above, most of the existing washing machines adopt a multi-chip split type electric control system. Selecting one chip from the plurality of chips as a target chip, keeping the power-on state of the target chip unchanged after confirming that the washing machine is in a standby state, and powering off the chips except the target chip. It is easy to understand that the standby power consumption is the power consumption during standby, and when the load in the circuit is reduced, the power consumption is reduced, so that only one chip can be powered during standby, and low standby power consumption can be realized.
In one embodiment, the control circuit of the washing machine may further include a power control loop connecting the target chip and other chips other than the target chip.
Specifically, a washing machine adopting an electric control system with a split display panel and a split control panel is taken as an example. When the operation state of the washing machine is a standby state, the chip of the control panel may be controlled to be powered off by the chip of the display panel. As shown in fig. 2, fig. 2 is a block diagram of an embodiment of a control circuit according to the present application. The control circuit of the washing machine may include a signal receiving module 203, a display panel chip 201, a power control circuit 202, and a control panel chip 204. The signal receiving module 203 is configured to receive a start signal or a shutdown signal triggered by a user.
It should be understood that the power control loop 202 may depend on the actual power processing circuitry.
Referring to fig. 3, fig. 3 is a circuit diagram of an exemplary embodiment of the power control loop 202 of the embodiment shown in fig. 1.
In one embodiment, the power control loop 202 can be as shown in fig. 3, where N1 is a triode, P1 is a power field effect transistor (MOS transistor), the left signal input terminal is used to connect to the display board chip corresponding to the power control I/O port, and the right power output terminal is connected to the control board chip to control the on/off of the voltage of the control board chip.
When the chip of the display panel confirms that the washing machine is in a standby state, the corresponding I/O port inputs a low level to the signal input end of the power control loop, N1 is not conducted, then, the display panel part of the power control loop inputs a high level to the control panel part, P1 is not conducted, and then, the power output end of the power control loop does not output voltage, so that the chip of the control panel part is powered off.
In another embodiment, the power supply of the control board chip is also controlled by another chip, illustratively, by a DCDC chip SYJ539ADC (low level enable IC). Then, when the display panel portion of the power control circuit inputs a high level to the control panel portion, the chip of the display panel cannot be enabled to start. Therefore, the power supply of the control panel chip is disconnected.
In another embodiment, in the standby state, the chip of the display panel may be controlled to be powered off by the chip of the control panel, which is not described herein.
It should be understood that whether the power-off of the chip of the display panel is controlled by the chip of the control panel or the power-off of the chip of the control panel is controlled by the chip of the display panel, the power-off is preset and comprises the cooperation of corresponding hardware circuits.
Therefore, in the multi-chip electric control system, in a standby state, a target chip is ensured to be powered on, and other chips except the target chip are controlled to be powered off through the target chip, so that low standby power consumption can be realized.
On the basis of the method for reducing standby power consumption of a washing machine shown in fig. 1, the method may further include:
when a starting signal triggered by a user is detected, the target chip controls other chips except the target chip to be electrified so as to enable the washing machine to enter a working state.
Wherein, the starting signal is triggered by a user and is used for identifying that the washing machine enters the working state.
It is easy to understand that when the washing machine enters the working state, the target chip controls the other chips except the target chip to be powered on.
Illustratively, on the basis of the circuit diagram of the power control circuit 202 shown in fig. 3, when the chip of the display panel detects a start signal of the washing machine, the corresponding I/O port inputs a high level to the signal input terminal of the power control circuit, so that both the base and the emitter of the transistor N1 have a forward voltage, the transistor N1 is turned on, and after the turn-on, the display panel part of the power control circuit inputs a low level to the control panel part, then the gate of the MOS transistor is at a low level, and the MOS transistor P1 is turned on, thereby realizing that the display panel chip supplies power to the chip of the control panel through the power control circuit when the washing machine is started.
In other embodiments, the power on of other chips besides the target chip can be controlled by the low-level enable IC, and is not limited herein.
Embodiments of the apparatus of the present application will be described below, which may be used to implement the method for reducing standby power consumption of a washing machine in the above embodiments of the present application. For details not disclosed in the embodiments of the apparatus of the present application, please refer to the embodiments of the method for reducing the standby power consumption of the washing machine described above in the present application.
Fig. 4 illustrates a block diagram of an apparatus for reducing standby power consumption of a washing machine according to an embodiment of the present application.
Referring to fig. 4, fig. 4 is a diagram illustrating an apparatus 400 for reducing standby power consumption of a washing machine according to an embodiment of the present application, applied to a control circuit of the washing machine, the control circuit having a plurality of chips, the apparatus including:
a monitoring module 401 for monitoring the operation state of the washing machine;
and a control module 402, configured to control other chips except the target chip to be powered off through a target chip of the plurality of chips when the operation state of the washing machine is a standby state.
In another embodiment, the control module 402 is further configured to, when a start signal triggered by a user is monitored, control other chips except the target chip to be powered on through the target chip, so that the washing machine enters an operating state.
In another embodiment, the control module 402 is further configured to control power of other chip segments except the target chip through the power control loop via the target chip when the operation state of the washing machine is the standby state.
In another embodiment, the monitoring module 401 is further configured to monitor a start signal of the washing machine in real time when it is determined that the operation state of the washing machine is the standby state; if the starting signal is monitored, the target chip controls other chips except the target chip to be electrified through the power supply control loop so as to enable the washing machine to enter a working state.
In another embodiment, the monitoring module 401 is further configured to monitor, in real time, a start signal triggered by a user, where the start signal is used to instruct the washing machine to enter a working state; if the starting signal is not monitored in the preset time period, the operation state of the washing machine can be determined to be the standby state.
Referring to fig. 5, fig. 5 is a schematic structural view of a washing machine according to an exemplary embodiment.
As shown in fig. 5, the washing machine includes:
a power supply 501 for supplying power to the washing machine;
the key processing circuit 502 is connected with the power supply 501 and is used for receiving an instruction of a user to turn on or off the washing machine;
and a control circuit 503 electrically connected to the power supply 501 and the key processing circuit 502 for controlling the execution of the method for reducing the standby power consumption of the washing machine.
In further embodiments, the control circuit 503 further comprises:
the first chip is electrically connected with the key processing circuit 502 and used for transmitting a user instruction;
the second chip is connected with the first chip and is used for controlling the operation of the load of the washing machine;
and the power supply control loop is electrically connected with the first chip and the second chip and is used for receiving the power supply control signal sent by the target chip and controlling the power-on or power-off of other chips except the target chip according to the power supply control signal, wherein the target chip is the first chip or the second chip.
It will be readily appreciated that the key processing circuitry will need to be dependent upon the manner in which the power key is operated.
In another exemplary embodiment, the present application further provides an electronic device comprising a processor and a memory, wherein the memory has stored thereon computer readable instructions, which when executed by the processor, implement the method for reducing standby power consumption of a washing machine as before.
Please refer to fig. 6, fig. 6 is a schematic diagram illustrating a hardware structure of an apparatus for reducing standby power consumption of a washing machine according to an exemplary embodiment.
It should be noted that the device is only an example adapted to the application and should not be considered as providing any limitation to the scope of use of the application. The device also cannot be interpreted as requiring reliance on, or necessity of, one or more components of the hardware of the exemplary washer standby power reduction device shown in fig. 6. The hardware structure of the device may have large differences due to differences in configuration or performance, as shown in fig. 6, and the device includes: a power supply 610, an interface 630, at least one memory 650, and at least one Central Processing Unit (CPU) 670.
The power supply 610 is used to provide operating voltage for each hardware device on the device.
The interface 630 includes at least one wired or wireless network interface 631, at least one serial-to-parallel conversion interface 633, at least one input/output interface 635, and at least one USB interface 637, etc. for communicating with external devices.
The memory 650 is used as a carrier of resource storage, and may be a read-only memory, a random access memory, a magnetic disk or an optical disk, etc., wherein the stored resources include an operating system 651, application programs 653, data 655, etc., and the storage mode may be a transient storage or a permanent storage. The operating system 651 is used for managing and controlling hardware devices and application programs 653 on the device, so as to realize the calculation and processing of the mass data 655 by the central processing unit 670, which may be Windows server, mac OS XTM, unix, linux, etc. Application programs 653 are computer programs that perform at least one particular task on top of operating system 651, and can comprise at least one module, each of which can contain a sequence of computer-readable instructions for the device, respectively.
The central processor 670 may include one or more processors and is arranged to communicate with the memory 650 via a bus for computing and processing the mass data 655 in the memory 650.
As described in detail above, the driving route quality evaluation apparatus to which the present application is applied will perform the method of reducing the standby power consumption of the washing machine as described above by the central processor 670 reading a series of computer readable instructions stored in the memory 650.
Furthermore, the present application can also be implemented by hardware circuitry or by a combination of hardware circuitry and software instructions, and thus, the implementation of the present application is not limited to any specific hardware circuitry, software, or combination of both.
In another exemplary embodiment, the present application further provides a computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the method for reducing standby power consumption of a washing machine as before.
In the description of the present invention, the terms "first", second "are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present specification, the description of the terms "one embodiment" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred exemplary embodiment of the present application, and is not intended to limit the embodiments of the present application, and one skilled in the art can easily make various changes and modifications according to the main concept and spirit of the present application, so the protection scope of the present application should be subject to the protection scope claimed in the claims.

Claims (7)

1. A method for reducing standby power consumption of a washing machine is applied to a control circuit of the washing machine, and is characterized in that the control circuit is provided with a plurality of chips and a power supply control loop, the power supply control loop is connected with a target chip and other chips except the target chip, and the method comprises the following steps:
monitoring a starting signal triggered by a user in real time, wherein the starting signal is used for indicating that the washing machine enters a working state;
if the starting signal is not monitored in a preset time period, determining that the running state of the washing machine is a standby state;
when the running state of the washing machine is a standby state, controlling other chips except the target chip to be powered off through the target chip and the power control loop;
the power supply control loop comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first direct current power supply, a second direct current power supply, a triode and a power field effect transistor;
the base electrode of the triode is connected to the control signal output end of the target chip through the first resistor, the collector electrode of the triode is connected to the first direct current power supply through the third resistor, the emitter electrode of the triode is grounded, and a second resistor is connected in series between the base electrode and the emitter electrode of the triode, so that the first direct current power supply, the first resistor, the second resistor, the third resistor, the fourth resistor and the triode form a first-stage power supply circuit; the first stage power circuit is provided with a power supply control signal output end; the power supply control signal output end is led out from one end of the fourth resistor, and the other end of the fourth resistor is connected between the collector of the triode and the third resistor;
the base electrode of the power field effect transistor is connected to the power supply control signal output end through the fifth resistor, the emitter electrode of the power field effect transistor is connected to the second direct-current power supply, and the collector electrode of the power field effect transistor is connected with other chips except the target chip; a sixth resistor is connected in series between the base electrode and the emitting electrode of the power field-effect tube, so that the fifth resistor, the sixth resistor, the second direct-current power supply and the power field-effect tube form a second-stage power supply circuit;
and under the condition that the running state of the washing machine is determined to be a standby state, the target chip controls the first-stage power supply circuit to send a power supply control signal so as to control the second-stage power supply circuit to be disconnected, so that the second direct-current power supply is disconnected from other chips except the target chip in power supply connection, and the energy consumption of the washing machine is reduced.
2. The method of claim 1, further comprising:
when a starting signal triggered by a user is monitored, the target chip controls other chips except the target chip to be electrified so as to enable the washing machine to enter a working state.
3. The method of claim 1, comprising:
monitoring a starting signal of the washing machine in real time when the running state of the washing machine is determined to be a standby state;
if the starting signal is monitored, controlling other chips except the target chip to be electrified through the target chip and the power supply control loop so as to enable the washing machine to enter a working state.
4. An apparatus for reducing standby power consumption of a washing machine, applied to a control circuit of a washing machine, wherein the control circuit has a plurality of chips and a power control loop connecting a target chip and chips other than the target chip, the apparatus comprising:
the monitoring module is used for monitoring a starting signal triggered by a user in real time, and the starting signal is used for indicating the washing machine to enter a working state; if the starting signal is not monitored within a preset time period, determining that the running state of the washing machine is a standby state;
the control module is used for controlling other chips except the target chip to be powered off through the target chip and the power supply control loop when the running state of the washing machine is a standby state; the power supply control loop comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first direct current power supply, a second direct current power supply, a triode and a power field effect transistor; the base electrode of the triode is connected to the control signal output end of the target chip through the first resistor, the collector electrode of the triode is connected to the first direct current power supply through the third resistor, the emitter electrode of the triode is grounded, and a second resistor is connected in series between the base electrode and the emitter electrode of the triode, so that the first direct current power supply, the first resistor, the second resistor, the third resistor, the fourth resistor and the triode form a first-stage power supply circuit; the first stage power circuit is provided with a power supply control signal output end; the power supply control signal output end is led out from one end of the fourth resistor, and the other end of the fourth resistor is connected between the collector of the triode and the third resistor; the base electrode of the power field effect transistor is connected to the power supply control signal output end through the fifth resistor, the emitter electrode of the power field effect transistor is connected to the second direct-current power supply, and the collector electrode of the power field effect transistor is connected with other chips except the target chip; a sixth resistor is connected in series between the base electrode and the emitting electrode of the power field effect transistor, so that the fifth resistor, the sixth resistor, the second direct current power supply and the power field effect transistor form a second-stage power supply circuit; and under the condition that the running state of the washing machine is determined to be a standby state, the target chip controls the first-stage power supply circuit to send a power supply control signal so as to control the second-stage power supply circuit to be disconnected, so that the second direct-current power supply is disconnected from other chips except the target chip in power supply connection, and the energy consumption of the washing machine is reduced.
5. A washing machine, characterized by comprising:
a power supply for supplying power to the washing machine;
the key processing circuit is connected with the power supply and used for receiving an instruction of a user to turn on or turn off the washing machine;
a control circuit electrically connected with the power supply and the key processing circuit for controlling the execution of the method for reducing the standby power consumption of the washing machine according to any one of claims 1 to 3; the control circuit includes: the first chip is electrically connected with the key processing circuit and used for transmitting a user instruction; the second chip is connected with the first chip and is used for controlling the operation of the load of the washing machine; and the power supply control loop is electrically connected with the first chip and the second chip and is used for receiving a power supply control signal sent by a target chip and controlling the power-on or power-off of other chips except the target chip according to the power supply control signal, wherein the target chip is the first chip or the second chip.
6. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method for reducing the standby power consumption of a washing machine according to any one of claims 1 to 3 when executing the computer program.
7. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of reducing standby power consumption of a washing machine according to any one of claims 1 to 3.
CN202010568851.1A 2020-06-19 2020-06-19 Method and device for reducing standby power consumption of washing machine, washing machine and related equipment Active CN111857322B (en)

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