CN204030963U - Washing machine standby circuit with ultra-low power consumption - Google Patents
Washing machine standby circuit with ultra-low power consumption Download PDFInfo
- Publication number
- CN204030963U CN204030963U CN201420214328.9U CN201420214328U CN204030963U CN 204030963 U CN204030963 U CN 204030963U CN 201420214328 U CN201420214328 U CN 201420214328U CN 204030963 U CN204030963 U CN 204030963U
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- Prior art keywords
- circuit
- switching power
- power
- power supply
- washing machine
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- 238000005406 washing Methods 0.000 title claims abstract description 33
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The utility model relates to a washing machine standby circuit of ultralow power consumption, including master control circuit, switching power supply circuit and standby control circuit. The power input end of the main control circuit is connected with the output end of the switch power supply circuit. The standby control circuit comprises a key switch K1, a photoelectric coupler D12, a resistor R15 and a resistor R16. The input ground of the switching power supply is isolated from the output ground, and the main control circuit is connected with the switching power supply circuit through a photoelectric coupler D12. The output of the switch power supply circuit can be zero under the control of the standby circuit, and at the moment, the whole machine only has the standby power consumption of the switch power supply circuit when the switch chip is in a power-off mode. According to the technical scheme provided by the utility model, the utility model discloses circuit structure is simple, consumption when can greatly reduced washing machine standby.
Description
Technical field
The utility model relates to washing machine technical field, is specifically related to a kind of washing machine stand-by circuit of super low-power consumption.
Background technology
Along with the continuous sharp increase of world energy consumption amount, energy crisis is more and more having a deep effect on world and expanding economy.For energy savings, electric appliance standby low-power consumption is more and more paid close attention to.Washing machine is conventional household electrical appliance, and its volume and weight is large, be difficult for moving, and attaching plug is conventionally all in connection status, exists higher stand-by power consumption.
At present, conventionally adopt full tester in power-down state or reduce the stand-by power consumption of washing machine by the method for Switching Power Supply instead of linear power supply.Adopt full tester in power-down state method, although can realize zero stand-by power consumption of washing machine, washing machine power button and live wire be connected the more wire harness of needs, complex structure, too much wire harness can cause interference to other parts.Adopt the method for Switching Power Supply instead of linear power supply, although can reduce the idling consumption bringing because of linear power supply transformer, but because control circuit of the washing machine exists power consumption when in holding state, make Switching Power Supply have load and produce loss, this will cause washing machine complete machine stand-by power consumption higher.
Utility model content
The purpose of this utility model is to provide a kind of washing machine stand-by circuit of super low-power consumption, and this stand-by circuit is simple in structure, can greatly reduce the stand-by power consumption of washing machine.
For achieving the above object, the utility model has adopted following technical scheme: a kind of washing machine stand-by circuit of super low-power consumption, comprises governor circuit, switching power circuit and readiness control circuit.The power input of described governor circuit is connected with the output of switching power circuit.
Described readiness control circuit comprises key switch K1, photoelectrical coupler D12, resistance R 15 and resistance R 16.In described photoelectrical coupler D12, the anode of light-emitting diode connects power supply signal through resistance R 16, and the negative electrode of light-emitting diode is connected with governor circuit is interactive.The collector electrode of the phototriode in described photoelectrical coupler D12 is connected through the power supply chip feedback pin of resistance R 15 and switching power circuit, and the emitter of phototriode is connected with the multi-functional pin of power supply chip bypass of switching power circuit.Described key switch K1 one end is connected with the multi-functional pin of power supply chip bypass of switching power circuit, and the other end is connected with the power supply chip source lead of switching power circuit.
Described switching power circuit is inverse-excitation type switch power-supply, the power supply ground of input power and the signal ground isolation of out-put supply.The model of described switching power source chip is LNK586DG.Switching power circuit output is isolated with the ground of input.
The key switch K1 of described readiness control circuit is washing machine mains switch, and the output of controllable switch power circuit recovers and turn-offs.
From above technical scheme, first, governor circuit described in the utility model is connected with switching power circuit by photoelectrical coupler, the output of control switch power circuit power cutoff.Specifically, adopt the readiness control circuit being formed by key switch and photoelectrical coupler, realized recovery and the shutoff of switching power circuit output.By the simple on-off action of key switch realized that washing machine powers on and holding state between switch.After washing program for washing machine finishes, main control chip, by the output of photoelectrical coupler stopcock power supply, is realized automatic stand-by.Secondly, the utility model adopts low-power consumption switching power source chip LNK586DG, and the stand-by power consumption of this chip low-power consumption mode under 230V input, lower than 3mW, only has the stand-by power consumption of switch chip while making washing machine standby.In sum, the utility model circuit structure is simple, greatly reduces the stand-by power consumption of washing machine.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model;
Wherein:
1, switching power circuit, 2, master relay circuit, 3, readiness control circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
The washing machine stand-by circuit of a kind of super low-power consumption as shown in Figure 1, comprises governor circuit 2, switching power circuit 1 and readiness control circuit 3.The power input of described governor circuit 2 is connected with the output of switching power circuit 1.Described switching power circuit is inverse-excitation type isolation type switching power supply, and the model of described switching power source chip is LNK586DG.Switching power circuit output is isolated with the ground of input.
Described readiness control circuit 3 comprises key switch K1, photoelectrical coupler D12, resistance R 15 and resistance R 16.In described photoelectrical coupler D12, the anode of light-emitting diode is through connect+5V of resistance R 16 power supply signal, and the negative electrode of light-emitting diode is connected with governor circuit 2 is interactive.The collector electrode of the phototriode in described photoelectrical coupler D12 is connected through the power supply chip feedback pin FB of resistance R 15 and switching power circuit 1, and the emitter of phototriode is connected with the multi-functional pin BP of power supply chip bypass of switching power circuit.Described key switch K1 one end is connected with the multi-functional pin BP of power supply chip bypass of switching power circuit 1, and the other end is connected with the power supply chip source lead S of switching power circuit 1.
The function of the feedback pin FB of switching power source chip is: in normal operation, and the switch of control chip internal power MOSFET.
The function of the multi-functional pin BP of bypass of switching power source chip is: a shunt capacitance is connected to this pin, generating chip internal power supply.This pin control chip enters power-down mode and reset.
The function of the source lead S of switching power source chip is: this pin is the source electrode tie point of chip internal power MOSFET, is also the ground connection reference of bypass and feedback pin.
The key switch K1 of described readiness control circuit is washing machine mains switch, by the switching of simple actuation of keys control switch chip ON/OFF pattern, make switching power circuit output in recovery and conversion between turn-offing, and then control powering on and holding state switching of washing machine complete machine.
The main control chip of described governor circuit is connected with switching power circuit by photoelectrical coupler, and in the time that program for washing finishes, the output of control switch power circuit power cutoff, makes complete machine power down enter holding state.
Operation principle of the present utility model:
1. when washing machine standby, switch chip IC11 is in power-down mode, and switching power circuit 1 is output as zero.
2., when washing machine powers on, by key switch K1, after being dragged down, the BP pin voltage of switching power source chip IC11 discharges again key switch.When the BP pin of switching power source chip charges again by internal circuit, chip is waken up, and starts normally to work.The recovery output of switching power circuit 1, powers to governor circuit.Main control chip powers on, and complete machine enters power-up state, and main control chip control governor circuit is realized function of washing clothes.
3. when washing machine manually enters standby, by key switch, K1 discharges again, sends break impulse to the BP pin of switching power source chip IC11, and BP pin is drawn high again after receiving break impulse.Switch chip IC11 enters power-down mode, and now switch is by total ban, and switching power circuit 1 is output as zero.Governor circuit supply power voltage is zero, and main control chip enters power-down mode, and complete machine enters holding state.
4., after washing program for washing machine finishes, need to automatically enter holding state time, main control chip sends standby signal.Make the BP mouth voltage of switching power source chip IC11 higher than 6.45V by photoelectrical coupler, overvoltage protection makes chip switch forbid work, and switching power circuit 1 is output as zero.Governor circuit voltage is zero, and main control chip enters power-down mode, and complete machine enters holding state.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection range of the utility model claims.
Claims (3)
1. a washing machine stand-by circuit for super low-power consumption, is characterized in that: comprise governor circuit (2), switching power circuit (1) and readiness control circuit (3); The power input of described governor circuit (2) is connected with the output of switching power circuit (1);
Described readiness control circuit (3) comprises key switch K1, photoelectrical coupler D12, resistance R 15 and resistance R 16; In described photoelectrical coupler D12, the anode of light-emitting diode connects power supply signal through resistance R 16, and the negative electrode of light-emitting diode is connected with governor circuit is interactive; The collector electrode of the phototriode in described photoelectrical coupler D12 is connected with the power supply chip feedback pin of switching power circuit (1) through resistance R 15, and the emitter of phototriode is connected with the multi-functional pin of power supply chip bypass of switching power circuit (1);
Described key switch K1 one end is connected with the multi-functional pin of power supply chip bypass of switching power circuit (1), and the other end is connected with the power supply chip source lead of switching power circuit (1).
2. the washing machine stand-by circuit of a kind of super low-power consumption according to claim 1, it is characterized in that: described switching power circuit (1) is inverse-excitation type switch power-supply, the power supply ground of input power and the signal ground isolation of out-put supply, the model of the switching power source chip that described switching power circuit (1) adopts is LNK586DG.
3. the washing machine stand-by circuit of a kind of super low-power consumption according to claim 1, is characterized in that: described key switch K1 is washing machine mains switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214328.9U CN204030963U (en) | 2014-04-29 | 2014-04-29 | Washing machine standby circuit with ultra-low power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214328.9U CN204030963U (en) | 2014-04-29 | 2014-04-29 | Washing machine standby circuit with ultra-low power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030963U true CN204030963U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420214328.9U Expired - Fee Related CN204030963U (en) | 2014-04-29 | 2014-04-29 | Washing machine standby circuit with ultra-low power consumption |
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| CN (1) | CN204030963U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449991A (en) * | 2015-12-21 | 2016-03-30 | 广东美的厨房电器制造有限公司 | Low-power consumption standby device and electrical device |
| CN107769761A (en) * | 2017-11-14 | 2018-03-06 | 深圳市银星智能科技股份有限公司 | Low power consumption switch control circuit and mobile robot |
| CN110691872A (en) * | 2017-03-27 | 2020-01-14 | 三星电子株式会社 | washing machine |
-
2014
- 2014-04-29 CN CN201420214328.9U patent/CN204030963U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449991A (en) * | 2015-12-21 | 2016-03-30 | 广东美的厨房电器制造有限公司 | Low-power consumption standby device and electrical device |
| CN105449991B (en) * | 2015-12-21 | 2018-06-08 | 广东美的厨房电器制造有限公司 | Low-power dissipation standby device and electrical equipment |
| CN110691872A (en) * | 2017-03-27 | 2020-01-14 | 三星电子株式会社 | washing machine |
| CN110691872B (en) * | 2017-03-27 | 2022-10-11 | 三星电子株式会社 | Washing machine |
| US11608580B2 (en) | 2017-03-27 | 2023-03-21 | Samsung Electronics Co., Ltd. | Washing machine |
| US11608581B2 (en) | 2017-03-27 | 2023-03-21 | Samsung Electronics Co., Ltd. | Washing machine |
| CN107769761A (en) * | 2017-11-14 | 2018-03-06 | 深圳市银星智能科技股份有限公司 | Low power consumption switch control circuit and mobile robot |
| CN107769761B (en) * | 2017-11-14 | 2024-03-26 | 深圳银星智能集团股份有限公司 | Low-power-consumption switch control circuit and mobile robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WHIRLPOOL (CHINA) CO., LTD. Free format text: FORMER NAME: HEFEI RONGSHIDA SANYO ELECTRIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 230000 science and technology zone, Hefei, Anhui, No. 96 Patentee after: Whirlpool (China) Limited by Share Ltd Address before: 230000 science and technology zone, Hefei, Anhui, No. 96 Patentee before: Hefei Rongshida Sanyo Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20160429 |