CN104950772B - A kind of dish-washing machine and its stand-by power consumption control device and method - Google Patents
A kind of dish-washing machine and its stand-by power consumption control device and method Download PDFInfo
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- CN104950772B CN104950772B CN201510362791.7A CN201510362791A CN104950772B CN 104950772 B CN104950772 B CN 104950772B CN 201510362791 A CN201510362791 A CN 201510362791A CN 104950772 B CN104950772 B CN 104950772B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25341—Single chip programmable controller
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Abstract
The invention belongs to dish-washing machine control technology field, a kind of dish-washing machine and its stand-by power consumption control device and method are provided.Stand-by power consumption control device includes power sense circuit, AC/DC changeover switch, master controller, door switch, power input control module and switch module, simple in structure and at low cost.The door switch state of dish-washing machine is followed to realize corresponding switch motion by door switch, power sense circuit decides whether to export weak electric signal according to the on off state of door switch, master controller can determine that the gate of dish-washing machine is closed when receiving the weak electric signal, and judge whether dish-washing machine enters standby mode in turn, if dish-washing machine enters standby mode and the standby duration reaches default stand-by time, then main controller controls switch module turns off so that power input control module stops the zero line and firewire of connection AC/DC changeover switch, it is that dish-washing machine is powered that AC/DC changeover switch can be made, which to stop, so as to reliablely and stablely make dish-washing machine realize zero stand-by power consumption.
Description
Technical field
The invention belongs to dish-washing machine control technology field more particularly to a kind of dish-washing machine and its stand-by power consumption control device and
Method.
Background technology
Currently, for household appliances, low energy consumption is a kind of development trend, thus reduce dish-washing machine stand-by power consumption with
Realize that zero stand-by power consumption is a very important technology.For dish-washing machine, the prior art passes through the power switch in dish-washing machine
One mating calutron of upper installation and form automatic power-off switch, the electricity in the automatic power-off switch is controlled by microcontroller
Magnet is attracted, then corresponding transmission mechanism is driven to cut off the power, to realize zero stand-by power consumption on dish-washing machine.However, due to
The complicated of automatic power-off switch, reliability are low and of high cost, so the prior art is realizing stand-by power consumption control to dish-washing machine
There is a problem of that stability is low and of high cost when processed.
Invention content
The purpose of the present invention is to provide a kind of stand-by power consumption control devices of dish-washing machine, it is intended to solve the prior art right
Dish-washing machine realizes the low and of high cost problem of stability existing when stand-by power consumption control.
The invention is realized in this way a kind of stand-by power consumption control device of dish-washing machine comprising power sense circuit, friendship
Direct current transducer and master controller, the power sense circuit accordingly export weak electric signal to described when obtaining alternating current input
Master controller, the AC/DC changeover switch are the power sense circuit, the master control for converting alternating current to direct current
Power circuit power supply in device processed and the dish-washing machine；
The stand-by power consumption control device further includes door switch, power input control module and switch module；The door
The input terminal of the common of switch and the power input control module is connected to firewire altogether, the normally-closed contact of the door switch with
The output end of the power input control module is connected to the zero line of the AC/DC changeover switch altogether, and the normally opened of the door switch touches
Point connects the zero line of the power sense circuit, the zero line side of the power sense circuit and the zero of the AC/DC changeover switch
Line end is connected to zero curve altogether, and the power end of the power input control module obtains direct current from the AC/DC changeover switch, described
The controlled end of power input control module connects the switch control terminal of the switch module, the controlled end connection of the switch module
The master controller；
When the gate of the dish-washing machine is opened, the common of the door switch is connected to normally-closed contact holding, described
AC/DC changeover switch exports direct current, and the power sense circuit stops exporting the weak electric signal, and the master controller is not because
It receives the weak electric signal and sends out power on signal and control the switch module conducting, the switch module makes institute in conducting
It states power input control module and substitutes the door switch and be connected to the zero line of the AC/DC changeover switch with the firewire；
When the gate of the dish-washing machine is converted to close off state from opening state, the common of the door switch with often
Contact connection is opened, the power sense circuit exports the weak electric signal, and the master controller is receiving the weak electric signal
After judge the dish-washing machine whether enter standby mode, if the dish-washing machine enters standby mode and the standby duration reaches
Stand-by time is preset, then the master controller sends out power-off signal and controls the switch module shutdown, and the switch module is closing
The power input control module is set to stop the zero line for being connected to the AC/DC changeover switch and the firewire when disconnected.
The present invention also provides a kind of dish-washing machines including above-mentioned stand-by power consumption control device.
Based on above-mentioned stand-by power consumption control device, the present invention also provides a kind of stand-by power consumption control method of dish-washing machine,
It includes the following steps：
When the gate of dish-washing machine is opened, the common of door switch is connected to normally-closed contact holding, AC/DC changeover switch
Direct current is exported, power sense circuit stops output weak electric signal；
Master controller sends out power on signal control switch module conducting because not receiving the weak electric signal；
The switch module makes power input control module substitute the door switch by the AC-DC conversion in conducting
The zero line of device is connected to firewire；
When the gate of dish-washing machine is converted to close off state from opening state, the common of the door switch is touched with normally opened
Point connection, the power sense circuit export the weak electric signal；
The master controller judges whether dish-washing machine enters standby mode after receiving the weak electric signal；
If dish-washing machine enters standby mode and the standby duration reaches default stand-by time, the master controller hair
Go out power-off signal and controls the switch module shutdown；
The switch module makes the power input control module stop being connected to the AC/DC changeover switch when off
Zero line and the firewire.
It includes power sense circuit, AC/DC changeover switch, master controller, door switch, electricity that the present invention uses in dish-washing machine
The stand-by power consumption control device of source input control module and switch module, it is simple in structure and at low cost.It is followed by door switch
The door switch state of dish-washing machine realizes that corresponding switch motion, power sense circuit are according to the decision of the on off state of door switch
No output weak electric signal, master controller can determine that the gate of dish-washing machine is closed when receiving the weak electric signal, and
And then judge whether dish-washing machine enters standby mode, if dish-washing machine enters standby mode and the standby duration reaches default and waits for
The machine time, then the shutdown of main controller controls switch module is so that power input control module stops the fire of connection AC/DC changeover switch
Line end and firewire, it is the power circuit power supply in dish-washing machine that AC/DC changeover switch can be made, which to stop, so as to reliablely and stablely make
Dish-washing machine realizes zero stand-by power consumption, solves the prior art stability existing when realizing stand-by power consumption control to dish-washing machine
Low and of high cost problem.
Description of the drawings
Fig. 1 is the function structure chart of the stand-by power consumption control device of dish-washing machine provided in an embodiment of the present invention；
Fig. 2 is the exemplary circuit structure chart of stand-by power consumption control device shown in FIG. 1；
Fig. 3 is another exemplary circuit structure chart of stand-by power consumption control device shown in FIG. 1；
Fig. 4 is the implementation flow chart of the stand-by power consumption control method of dish-washing machine provided in an embodiment of the present invention；
Fig. 5 is another implementation flow chart of the stand-by power consumption control method of dish-washing machine provided in an embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the modular structure of the stand-by power consumption control device of dish-washing machine provided in an embodiment of the present invention, in order to just
In explanation, illustrate only with the relevant part of the embodiment of the present invention, details are as follows：
The stand-by power consumption control device of dish-washing machine includes power sense circuit 100, AC/DC changeover switch 200 and master controller
300, power sense circuit 100 accordingly exports weak electric signal when obtaining alternating current input to the master controller 300 of dish-washing machine, hands over
Direct current transducer 200 is that power supply is examined for converting alternating current to direct current (+5V direct currents shown in FIG. 1 and+12V DC electricity)
Power circuit power supply in slowdown monitoring circuit 100, master controller 300 and dish-washing machine, as shown in Figure 1, power sense circuit 100 and master
Controller 300 obtains+5V direct currents to be powered from AC/DC changeover switch 200.
Stand-by power consumption control device further includes door switch SW1, power input control module 400 and switch module 500；Door
The common 1 of switch SW1 is connected to firewire L altogether with the input terminal of power input control module 400, and the normally closed of door switch SW1 is touched
Point 2 and the output end of power input control module 400 are connected to the zero line of AC/DC changeover switch 200 altogether, and door switch SW1's is normally opened
Contact 3 connects the zero line of power sense circuit 100, the zero line side of power sense circuit 100 and the zero of AC/DC changeover switch 200
Line end is connected to zero curve N altogether, and the power end of power input control module 400 obtains direct current (such as Fig. 1 from AC/DC changeover switch 200
Shown in+12V DC electricity), the switch control terminal of the controlled end connecting valve module 500 of power input control module 400, switch
The controlled end of module 500 connects master controller 300.
When the gate of dish-washing machine is opened, the common 1 of door switch SW1 is connected to the holding of normally-closed contact 2, and alternating current-direct current turns
Parallel operation 200 exports direct current, and power sense circuit 100 stops output weak electric signal, and master controller is not because receiving weak electric signal
And send out power on signal control switch module 500 and be connected, switch module 500 makes power input control module 400 replace in conducting
The zero line of AC/DC changeover switch 200 is connected to firewire L for door switch SW1.
When the gate of dish-washing machine is converted to close off state from opening state, the common 1 of door switch SW1 is touched with normally opened
3 connection of point, power sense circuit 100 export weak electric signal, and master controller 300 judges that dish-washing machine is after receiving weak electric signal
It is no to enter standby mode, if dish-washing machine enters standby mode and the standby duration reaches (such as 30 points of default stand-by time
Clock), then master controller 300 sends out power-off signal control switch module 500 and turns off, and switch module 500 makes power supply defeated when off
Enter zero line and firewire L that control module 400 stops connection AC/DC changeover switch 200, then AC/DC changeover switch 200 can be because can not
Incoming transport is electric and stops output direct current, to make power sense circuit 100, master controller 300, power input control module
400 and dish-washing machine in other power circuits can not obtain power supply supply, and then can realize that zero waits for when dish-washing machine is standby
Machine power consumption.
From the foregoing it can be that master controller 300 can determine whether to wash according to whether power sense circuit 100 exports weak electric signal
Whether the gate of bowl machine closes, and when master controller 300 is not received by weak electric signal, then master controller 300 can judge to wash the dishes
The gate of machine is in the open state；And when master controller 300 receives weak electric signal, then master controller 300 can judge to wash the dishes
The gate of machine is closed.
In addition, if switch module 500 makes power input control module 400 stop connection AC/DC changeover switch when off
It breaks down during 200 zero line and firewire L and power input control module 400 is caused to continue to be connected to AC-DC conversion
The zero line of device 200 and firewire L, the then meeting of AC-DC converter 200 continue as power detecting when dish-washing machine is in standby
Other power circuits power supply in circuit 100, master controller 300, power input control module 400 and dish-washing machine, to make
There is power-off exception at dish-washing machine, in order to issue the user with prompt in time in the case where there is power-off exception, if main
Controller 300 also receives the direct current that AC-DC converter 200 is exported after sending out power-off signal, then master controller 300
Power-off signal is continuously sent out, and judges whether the power-off signal duration reaches preset durations (such as 5 seconds).
When the power-off signal duration being not up to preset durations, if master controller 300 receives weak electric signal
(i.e. the gate of dish-washing machine is closed) and dish-washing machine generation user's operation is not detected, then master controller 300 is after supervention
Go out power-off signal；If master controller 300 does not receive weak electric signal (i.e. the gate of dish-washing machine is in the open state) and/or master
Controller 300 detects that user's operation occurs for dish-washing machine, then master controller 300 believes the standby duration obtained and power-off
Number duration resets and re-emits power on signal.
When the power-off signal duration reaching preset durations, it is different that the control dish-washing machine of master controller 300 sends out power-off
Often prompt, is washed if master controller 300 receives weak electric signal (i.e. the gate of dish-washing machine is closed) and is not detected
Bowl machine occur user's operation, then master controller 300 continue control dish-washing machine send out power-off abnormal prompt；If master controller 300
Weak electric signal (i.e. the gate of dish-washing machine is in the open state) is not received and/or master controller 300 detects dish-washing machine
User's operation, master controller 300 continue control dish-washing machine stopping and send out power-off abnormal prompt, the standby duration that will have been obtained
It is reset with the power-off signal duration, and re-emits power on signal.
Specifically, power sense circuit 100 is commonly according to the detection of the corresponding weak electric signal of input AC electricity output
Circuit；AC/DC changeover switch 200 is the conversion circuit that alternating current is commonly converted to direct current, such as rectification circuit；Main control
Device 300 be microcontroller, arm processor or other have the programming device of mathematical logic processing capacity.
It is specifically single-pole double-throw switch (SPDT) as shown in Figures 2 and 3 for door switch SW1, when the gate of dish-washing machine is opened,
The common 1 of door switch SW1 is connected to normally-closed contact 2；When the gate of dish-washing machine is closed, the common 1 of door switch SW1
It is connected to normally opened contact 3.
For power input control module 400, it includes two kinds of structures, as shown in Figures 2 and 3 respectively.
In fig. 2, power input control module 400 include relay REL1 and diode D1, the first of relay REL1
The total contact for controlling the cathode of contact 1 and diode D1 is the power end of power input control module 400, the of relay REL1
The total contact of two control contacts 1 and the anode of diode D1 is the controlled end of power input control module 400, relay REL1's
Normally opened contact 3 and switch contact 4 are respectively the input terminal and output end of power input control module 400.
In figure 3, power input control module 400 includes first resistor R1 and optocoupler U1, the first end of first resistor R1
For the power end of power input control module 400, the second end of first resistor R1 connects the anode of the light emitting diode of optocoupler U1,
The cathode of the light emitting diode of optocoupler U1 be power input control module 400 controlled end, the two of the light-activated silicon of optocoupler U1
Pole is respectively the input terminal and output end of power input control module 400.
For switch module 500, as shown in Figures 2 and 3 comprising second resistance R2 and NPN type triode Q1, the second electricity
The first end for hindering R2 is the controlled end of switch module 500, and the second end of second resistance R2 connects the base stage of NPN type triode Q1,
The switch control terminal of the current collection of NPN type triode Q1 extremely switch module 500, the emitter ground connection of NPN type triode Q1.
Fig. 2 and stand-by power consumption control device shown in Fig. 3 are described further below in conjunction with operation principle：
For Fig. 2, when the gate of dish-washing machine is opened, the common 1 of door switch SW1 is connected to the holding of normally-closed contact 2,
AC/DC changeover switch 200 exports direct current, and power sense circuit 100 stops output weak electric signal, and master controller is not because receiving
Weak electric signal and send out power on signal and NPN type triode Q1 conductings controlled by second resistance R2, NPN type triode Q1 is being connected
When so that the normally opened contact 3 of relay REL1 is closed with switch contact 4, to which alternative door switch SW1 is by AC/DC changeover switch 200
Zero line be connected to firewire L.
When the gate of dish-washing machine is converted to close off state from opening state, the common 1 of door switch SW1 is touched with normally opened
3 connection of point, power sense circuit 100 export weak electric signal, and master controller 300 judges that dish-washing machine is after receiving weak electric signal
It is no to enter standby mode, if dish-washing machine enters standby mode and the standby duration reaches (such as 30 points of default stand-by time
Clock), then master controller 300 sends out power-off signal and controls NPN type triode Q1 shutdowns, NPN type triode by second resistance R2
Q1 makes the normally opened contact 3 of relay REL1 be disconnected with switch contact 4 when off, so as to stop being connected to AC/DC changeover switch
200 zero line and firewire L, then AC/DC changeover switch 200 can be because that can not stop exporting direct current due to incoming transport electricity, and then make
Other power circuits in power sense circuit 100, master controller 300, power input control module 400 and dish-washing machine can not
Power supply supply is obtained, and then can realize zero stand-by power consumption when dish-washing machine is standby.
For Fig. 3, when the gate of dish-washing machine is opened, the common 1 of door switch SW1 is connected to the holding of normally-closed contact 2,
AC/DC changeover switch 200 exports direct current, and power sense circuit 100 stops output weak electric signal, and master controller is not because receiving
Weak electric signal and send out power on signal and NPN type triode Q1 conductings controlled by second resistance R2, NPN type triode Q1 is being connected
When make LEDs ON in optocoupler U1, alternating current-direct current is turned to the light-activated silicon alternative door switch SW1 of optocoupler U1
The zero line of parallel operation 200 is connected to firewire L.
When the gate of dish-washing machine is converted to close off state from opening state, the common 1 of door switch SW1 is touched with normally opened
3 connection of point, power sense circuit 100 export weak electric signal, and master controller 300 judges that dish-washing machine is after receiving weak electric signal
It is no to enter standby mode, if dish-washing machine enters standby mode and the standby duration reaches (such as 30 points of default stand-by time
Clock), then master controller 300 sends out power-off signal and controls NPN type triode Q1 shutdowns, NPN type triode by second resistance R2
Q1 when off ends the light emitting diode in optocoupler U1, so as to stop be connected to AC/DC changeover switch 200 zero line with
Firewire L, then AC/DC changeover switch 200 can be because that can not stop exporting direct current due to incoming transport electricity, and then make power sense circuit
100, other power circuits in master controller 300, power input control module 400 and dish-washing machine can not obtain power supply confession
It gives, and then can realize zero stand-by power consumption when dish-washing machine is standby.
Based on the positive effect that above-mentioned stand-by power consumption control device plays dish-washing machine zero stand-by power consumption of realization, this hair
Bright embodiment additionally provides a kind of dish-washing machine including above-mentioned stand-by power consumption control device.
In addition, being based on above-mentioned stand-by power consumption control device, the embodiment of the present invention additionally provides a kind of standby work(of dish-washing machine
Control method is consumed, implementation process is as shown in figure 4, details are as follows：
S1. when the gate of dish-washing machine is opened, the common 1 of door switch SW1 is connected to the holding of normally-closed contact 2, is handed over straight
Stream transformer 200 exports direct current, and power sense circuit 100 stops output weak electric signal；
S2. master controller 300 sends out power on signal control switch module 500 because not receiving the weak electric signal and leads
It is logical；
S3. switch module 500 makes power input control module 400 substitute door switch SW1 by AC-DC conversion in conducting
The zero line of device 200 is connected to firewire L；
S4. when the gate of dish-washing machine is converted to close off state from opening state, the common 1 of door switch SW1 with often
The connection of contact 3 is opened, power sense circuit 100 exports weak electric signal；
S5. master controller 300 judges whether dish-washing machine enters standby mode after receiving weak electric signal；
S6. if dish-washing machine enters standby mode and the standby duration reaches default stand-by time, master controller 300
Power-off signal control switch module 500 is sent out to turn off；
S7. switch module 500 makes power input control module 400 stop connection AC/DC changeover switch 200 when off
Zero line and firewire L.
For standby the case where continuing not up to preset stand-by time, then master controller 300 still sends out power on signal control
Switch module 500 processed is connected, and persistently reaches default stand-by time until standby, then execute step S6.
In addition, if switch module 500 makes power input control module 400 stop connection AC/DC changeover switch when off
It breaks down during 200 zero line and firewire L and power input control module 400 is caused to continue to be connected to AC-DC conversion
The zero line of device 200 and firewire L, the then meeting of AC-DC converter 200 continue as power detecting when dish-washing machine is in standby
Other power circuits power supply in circuit 100, master controller 300, power input control module 400 and dish-washing machine, to make
There is power-off exception at dish-washing machine, in order to issue the user with prompt in time in the case where there is power-off exception, such as Fig. 5 institutes
Show, it is further comprising the steps of after above-mentioned steps S7：
S8. if master controller 300 also receives the direct current that AC-DC converter 200 is exported after sending out power-off signal
Electricity, then master controller 300 continuously sends out power-off signal, and judges whether the power-off signal duration reaches preset durations；
S9. when the power-off signal duration being not up to preset durations, if master controller 300 receives light current letter
Number and be not detected dish-washing machine occur user's operation, then master controller 300 continue to send out power-off signal；If master controller 300
Weak electric signal is not received and/or master controller 300 detects that user's operation occurs for dish-washing machine, then master controller 300 will obtain
The standby duration and power-off signal duration taken resets and re-emits power on signal；
S10. when the power-off signal duration reaching preset durations, the control dish-washing machine of master controller 300 sends out disconnected
Electrical anomaly prompts；
S11. if master controller 300, which receives weak electric signal and dish-washing machine is not detected, occurs user's operation, master control
Device 300 processed continues control dish-washing machine and sends out power-off abnormal prompt；
S12. if master controller 300 does not receive weak electric signal and/or master controller 300 detects that dish-washing machine is used
Family operates, and master controller 300, which continues to control dish-washing machine stopping, sending out power-off abnormal prompt, by the standby duration obtained and
The power-off signal duration resets, and re-emits power on signal.
In conclusion it includes power sense circuit 100, AC/DC changeover switch that the embodiment of the present invention uses in dish-washing machine
200, the stand-by power consumption control dress of master controller 300, door switch SW1, power input control module 400 and switch module 500
It sets, it is simple in structure and at low cost.The door switch state of dish-washing machine is followed to realize corresponding switch motion by door switch SW1,
Power sense circuit 100 decides whether that output weak electric signal, master controller 300 are receiving according to the on off state of door switch SW1
It can determine that the gate of dish-washing machine is closed when to the weak electric signal, and judge whether dish-washing machine enters standby shape in turn
State, if dish-washing machine enters standby mode and the standby duration reaches default stand-by time, the control switch of master controller 300
Module 500 turns off zero line and firewire L so that the stopping connection AC/DC changeover switch 200 of power input control module 400, can make
AC/DC changeover switch 200 stops being the power circuit power supply in dish-washing machine, so as to reliablely and stablely make dish-washing machine realize zero
It is low and of high cost to solve the prior art stability existing when realizing stand-by power consumption control to dish-washing machine for stand-by power consumption
Problem.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (6)
1. a kind of stand-by power consumption control device of dish-washing machine comprising power sense circuit, AC/DC changeover switch and master controller,
The power sense circuit accordingly exports weak electric signal when obtaining alternating current input to the master controller, and the alternating current-direct current turns
Parallel operation is in the power sense circuit, the master controller and the dish-washing machine for converting alternating current to direct current
Power circuit is powered；It is characterized in that：
The stand-by power consumption control device further includes door switch, power input control module and switch module；The door switch
The input terminal of common and the power input control module be connected to firewire altogether, the normally-closed contact of the door switch with it is described
The output end of power input control module is connected to the zero line of the AC/DC changeover switch altogether, and the normally opened contact of the door switch connects
Connect the zero line of the power sense circuit, the zero line side of the zero line side of the power sense circuit and the AC/DC changeover switch
It is connected to zero curve altogether, the power end of the power input control module obtains direct current, the power supply from the AC/DC changeover switch
The controlled end of input control module connects the switch control terminal of the switch module, described in the controlled end connection of the switch module
Master controller；
When the gate of the dish-washing machine is opened, the common of the door switch is connected to normally-closed contact holding, described to hand over directly
Stream transformer exports direct current, and the power sense circuit stops exporting the weak electric signal, and the master controller is not because receiving
It sends out power on signal to the weak electric signal and controls the switch module conducting, the switch module makes the electricity in conducting
Source input control module substitutes the door switch and is connected to the zero line of the AC/DC changeover switch with the firewire；
When the gate of the dish-washing machine is converted to close off state from opening state, the common of the door switch is touched with normally opened
Point connection, the power sense circuit export the weak electric signal, and the master controller is sentenced after receiving the weak electric signal
Whether the dish-washing machine that breaks enters standby mode, if the dish-washing machine enters standby mode and the standby duration reaches default
Stand-by time, then the master controller send out power-off signal and control switch module shutdown, the switch module is when off
The power input control module is set to stop the zero line for being connected to the AC/DC changeover switch and the firewire；
If the master controller also receives the direct current that the AC-DC converter is exported after sending out power-off signal,
The master controller continuously sends out the power-off signal, and judges whether the power-off signal duration reaches preset durations；
When the power-off signal duration being not up to the preset durations, if the master controller receive it is described
Weak electric signal and be not detected dish-washing machine occur user's operation, then the master controller continue to send out power-off signal；If described
Master controller does not receive the weak electric signal and/or the master controller detects that user's operation occurs for dish-washing machine, then described
The standby duration obtained and power-off signal duration are reset and re-emit the power on signal by master controller；
When the power-off signal duration reaching the preset durations, the main controller controls dish-washing machine sends out disconnected
Electrical anomaly prompts, if the master controller, which receives the weak electric signal and dish-washing machine is not detected, occurs user's operation,
The master controller continues control dish-washing machine and sends out power-off abnormal prompt；If the master controller does not receive the light current letter
Number and/or the master controller detect dish-washing machine occur user's operation, the master controller continue control dish-washing machine stop hair
Go out to power off abnormal prompt, the standby duration obtained and power-off signal duration are reset, and re-emits described logical
Electric signal.
2. stand-by power consumption control device as described in claim 1, which is characterized in that the power input control module include after
Electric appliance and diode, the first control contact of the relay and the total contact of the cathode of the diode are the power input
The power end of control module, the second control contact of the relay and the total contact of the anode of the diode are the power supply
The controlled end of input control module, the normally opened contact and switch contact of the relay are respectively the power input control module
Input terminal and output end.
3. stand-by power consumption control device as described in claim 1, which is characterized in that the power input control module includes the
One resistance and optocoupler, the first end of the first resistor are the power end of the power input control module, the first resistor
Second end connect the optocoupler light emitting diode anode, the cathode of the light emitting diode of the optocoupler is that the power supply is defeated
Enter the controlled end of control module, the two poles of the earth of the light-activated silicon of the optocoupler are respectively the input of the power input control module
End and output end.
4. stand-by power consumption control device as described in claim 1, which is characterized in that the switch module include second resistance and
NPN type triode, the first end of the second resistance are the controlled end of the switch module, and the second end of the second resistance connects
Meet the base stage of the NPN type triode, the switch control terminal of the extremely described switch module of current collection of the NPN type triode, institute
State the emitter ground connection of NPN type triode.
5. a kind of dish-washing machine, which is characterized in that the dish-washing machine includes the control of claim 1-4 any one of them stand-by power consumptions
Device.
6. a kind of stand-by power consumption control method of dish-washing machine, which is characterized in that the stand-by power consumption control method includes following step
Suddenly：
When the gate of dish-washing machine is opened, the common of door switch is connected to normally-closed contact holding, AC/DC changeover switch output
Direct current, power sense circuit stop output weak electric signal；
Master controller sends out power on signal control switch module conducting because not receiving the weak electric signal；
The switch module makes power input control module substitute the door switch by the AC/DC changeover switch in conducting
Zero line is connected to firewire；
When the gate of dish-washing machine is converted to close off state from opening state, common and the normally opened contact of the door switch connect
Logical, the power sense circuit exports the weak electric signal；
The master controller judges whether dish-washing machine enters standby mode after receiving the weak electric signal；
If dish-washing machine enters standby mode and the standby duration reaches default stand-by time, the master controller sends out disconnected
Electric signal controls the switch module shutdown；
The switch module makes the power input control module stop the firewire for being connected to the AC/DC changeover switch when off
End and the firewire；
The switch module makes the power input control module stop the firewire for being connected to the AC/DC changeover switch when off
End with the step of the firewire after it is further comprising the steps of：
If the master controller also receives the direct current that the AC-DC converter is exported after sending out power-off signal,
The master controller continuously sends out the power-off signal, and judges whether the power-off signal duration reaches preset durations；
When the power-off signal duration being not up to the preset durations, if master controller receives weak electric signal
And dish-washing machine is not detected, user's operation occurs, then the master controller continues to send out power-off signal；If the master controller
The weak electric signal is not received and/or the master controller detects that user's operation occurs for dish-washing machine, then the master controller
The standby duration obtained and power-off signal duration are reset and re-emit the power on signal；
When the power-off signal duration reaching the preset durations, the main controller controls dish-washing machine sends out disconnected
Electrical anomaly prompts；
If the master controller, which receives the weak electric signal and dish-washing machine is not detected, occurs user's operation, the master control
Device processed continues control dish-washing machine and sends out power-off abnormal prompt；
If the master controller does not receive the weak electric signal and/or the master controller detects that user occurs for dish-washing machine
Operation, the master controller, which continues to control dish-washing machine stopping, sending out power-off abnormal prompt, by the standby duration obtained and
The power-off signal duration resets, and re-emits the power on signal.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107780067A (en) * | 2016-08-26 | 2018-03-09 | 天津市中马骏腾精密机械制造有限公司 | It is a kind of that there is the Intelligent sewing machine for automatically cutting off power supply function |
| CN106766664B (en) * | 2017-01-20 | 2020-02-07 | 美的集团股份有限公司 | Refrigerator and power consumption reduction control method and device of variable frequency control panel of compressor of refrigerator |
| CN108937786B (en) * | 2018-07-17 | 2022-06-07 | 佛山市顺德区美的洗涤电器制造有限公司 | Washing control method, dishwasher, and computer-readable storage medium |
| CN109884942B (en) * | 2019-03-01 | 2021-12-17 | 广东美的厨房电器制造有限公司 | Control system of electric appliance and electric appliance |
| CN110621104A (en) * | 2019-05-27 | 2019-12-27 | 广东明丰电源电器实业有限公司 | Circuit for reducing standby power consumption and electronic equipment |
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| CN202261899U (en) * | 2011-09-01 | 2012-05-30 | 合肥荣事达三洋电器股份有限公司 | Microwave oven door-opening electrification circuit |
| CN103631154A (en) * | 2012-08-21 | 2014-03-12 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine, power supply control circuit and power off control method |
| CN104480671A (en) * | 2014-11-20 | 2015-04-01 | 合肥荣事达三洋电器股份有限公司 | Power-on control device for full-automatic washing machine |
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| CN202261899U (en) * | 2011-09-01 | 2012-05-30 | 合肥荣事达三洋电器股份有限公司 | Microwave oven door-opening electrification circuit |
| CN103631154A (en) * | 2012-08-21 | 2014-03-12 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine, power supply control circuit and power off control method |
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Effective date of registration: 20230417 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311 Beijiao Town Industrial Park, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |