CN112941817A - Processing method for reducing shutdown power consumption of washing machine - Google Patents
Processing method for reducing shutdown power consumption of washing machine Download PDFInfo
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- CN112941817A CN112941817A CN202110113047.9A CN202110113047A CN112941817A CN 112941817 A CN112941817 A CN 112941817A CN 202110113047 A CN202110113047 A CN 202110113047A CN 112941817 A CN112941817 A CN 112941817A
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- washing machine
- zero
- circuit
- power
- power consumption
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/46—Control of the energy or water consumption
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/08—Control circuits or arrangements thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/10—Power supply arrangements, e.g. stand-by circuits
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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
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention discloses a processing method for reducing shutdown power consumption of a washing machine, which comprises the following steps: the method comprises the following steps: detecting a main circuit of the washing machine; step two: analyzing a main circuit of the washing machine; step three: analyzing a zero-crossing detection circuit on the main circuit; step four: a novel zero-crossing detection circuit is designed, the main circuit comprises a power supply conversion circuit, a control panel, a power supply control circuit, a zero-crossing detection circuit and a voltage stabilizing control circuit, the novel zero-crossing detection circuit comprises a photoelectric coupler, one end of the photoelectric coupler is connected with the N end of a zero line, the other end of the photoelectric coupler is connected with an AC _ L _ TEMP, a diode is arranged between the photoelectric coupler and the AC _ L _ TEMP, a safety resistor is arranged between the photoelectric coupler and the N end of the zero line, and a voltage stabilizing diode is connected to the photoelectric coupler in parallel. The zero-crossing detection circuit has the advantages that the power consumption of the washing machine during shutdown is reduced through the new zero-crossing detection circuit, and the work of the washing machine is not influenced.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a processing method for reducing shutdown power consumption of a washing machine.
Background
After the household washing machine is installed, the household washing machine is fixedly placed in one place, a power supply is always plugged, a user directly operates keys on a panel when the household washing machine is used, the washing machine is automatically shut down after washing is completed, the shutdown is only the machine stop state seen on the surface of the user, all lamps are turned off, all loads stop working, actually, a single chip microcomputer and a power supply conversion circuit of a controller are always in working, the operation of the user is waited for in real time, and as long as the washing machine is plugged with the power supply, certain power consumption is generated, namely shutdown power consumption.
Disclosure of Invention
The invention aims to solve the problems and designs a processing method for reducing the shutdown power consumption of the washing machine.
The technical scheme of the invention is that the processing method for reducing the shutdown power consumption of the washing machine comprises the following steps:
the method comprises the following steps: detecting a main circuit of the washing machine;
step two: analyzing a main circuit of the washing machine;
step three: analyzing a zero-crossing detection circuit on the main circuit;
step four: and designing a new zero-crossing detection circuit.
As a further description of the present invention, the main circuit includes a power conversion circuit, a control board, a power control circuit, a zero-crossing detection circuit, and a voltage stabilization control circuit.
As a further description of the present invention, the power control circuit includes a single chip control end and a load power supply, when the machine is in a power-off state, the single chip control end is at a high level, the relay is turned off, the load power supply is suspended, the control circuit of the load is in a power-off state, when it is detected that the user presses the power key, the single chip control end is pulled down, the relay pulls in the AC _ L _ TEMP to connect with the AC _ L, the AC _ L is a live wire end of the commercial power, and the power of the load control circuit is turned on.
As a further description of the present invention, the voltage regulation control circuit includes a voltage regulator, and a capacitor is connected to both an input end and an output end of the voltage regulator.
As a further description of the present invention, the new zero crossing detection circuit includes a photoelectric coupler, one end of the photoelectric coupler is connected to the N end of the zero line, the other end of the photoelectric coupler is connected to the AC _ L _ TEMP, a diode is disposed between the photoelectric coupler and the AC _ L _ TEMP, a safety resistor is disposed between the photoelectric coupler and the N end of the zero line, and a voltage stabilizing diode is connected in parallel to the photoelectric coupler.
As a further description of the present invention, a capacitor is connected in parallel to the photocoupler, one end of the capacitor is connected to a transistor, one end of the transistor is grounded, the other end of the transistor is connected to a voltage of 5V through a resistor, and the transistor is further connected to AC _ INT through a resistor.
As further description of the invention, the input end of the photoelectric coupler is connected with alternating current, the alternating current adopts 50Hz or 60Hz sine wave, and a 50Hz or 60Hz square wave is generated at the AC _ INT after circuit conversion.
As a further description of the invention, the control of the load power supply is performed in a zero-crossing interrupt.
The processing method for reducing the shutdown power consumption of the washing machine has the advantages that the processing method comprises the following steps: the method comprises the following steps: detecting a main circuit of the washing machine; step two: analyzing a main circuit of the washing machine; step three: analyzing a zero-crossing detection circuit on the main circuit; step four: a novel zero-crossing detection circuit is designed, a main circuit comprises a power supply conversion circuit, a control panel, a power supply control circuit, a zero-crossing detection circuit and a voltage stabilization control circuit, the power supply control circuit comprises a single chip microcomputer control end and a load power supply, the single chip microcomputer control end is at a high level when a machine is in a power-off state, a relay is disconnected, the load power supply is suspended, the load control circuit is in a non-electricity state, the single chip microcomputer control end is pulled down after a user presses a start key, the relay pulls in an AC _ L _ TEMP to be connected with the AC _ L, the AC _ L is a fire wire end of commercial power, the power supply of the load control circuit is turned on, the novel zero-crossing detection circuit comprises a photoelectric coupler, one end of the photoelectric coupler is connected with the N end of a zero wire, the other end of the photoelectric coupler is connected with the AC _ L _ TEMP, a diode is arranged between the photoelectric, and the photoelectric coupler is connected with a voltage stabilizing diode in parallel, the photoelectric coupler is also connected with a capacitor in parallel, one end of the capacitor is connected with a transistor, one end of the transistor is grounded, the other end of the transistor is connected with a voltage of 5V through a resistor, in addition, the transistor is also connected with AC _ INT through a resistor, and the newly designed zero-crossing detection circuit not only reduces the shutdown power consumption of the washing machine, but also can not cause any influence on the work of the washing machine.
Drawings
FIG. 1 is a main circuit block diagram of the present invention;
FIG. 2 is a block diagram of the novel zero crossing detection circuit of the present invention;
FIG. 3 is a power control circuit diagram of the present invention;
FIG. 4 shows a voltage regulator circuit according to the present invention.
Detailed Description
Firstly, the invention is designed originally, after the household washing machine is installed, the household washing machine is fixedly placed in a place, and a power supply is always plugged in, when the household washing machine is used, a user directly operates a key on a panel, after washing is completed, the washing machine is automatically shut down, the shutdown is only the machine stop state seen on the surface of the user, all lamps are turned off, all loads stop working, actually, a singlechip and a power supply conversion circuit of a controller are always in working, the operation of the user is waited for in real time, and as long as the washing machine is plugged in the power supply, certain power consumption is generated, namely shutdown power consumption.
The following describes the present invention with reference to the accompanying drawings, and as shown in fig. 1, a processing method for reducing the power consumption of a washing machine includes the following steps:
the method comprises the following steps: detecting a main circuit of the washing machine; the process mainly detects whether the washing machine normally operates in the working process, and simultaneously monitors the working process of the washing machine in real time;
step two: analyzing a main circuit of the washing machine; this process analyzes the operation of the main circuit in detail
The main circuit comprises a power supply conversion circuit, a control panel, a power supply control circuit, a zero-crossing detection circuit and a voltage stabilization control circuit, as shown in figure 3, the power supply control circuit comprises a single chip microcomputer control end and a load power supply, the single chip microcomputer control end is at a high level when the machine is in a shutdown state, a relay is disconnected, the load power supply is suspended, the control circuit of the load is in a non-power state, after a user presses a startup key, the single chip microcomputer control end is pulled down, the relay is attracted to be connected with an AC _ L _ TEMP, the AC _ L is a live wire end of commercial power, the power supply of the load control circuit is turned on, and the control of the load power supply is carried out in.
As shown in fig. 4, the voltage regulation control circuit includes a voltage regulator, and capacitors are connected to both an input terminal and an output terminal of the voltage regulator.
Step three: analyzing a zero-crossing detection circuit on the main circuit;
step four: a new zero-crossing detection circuit is designed, as shown in fig. 2, the new zero-crossing detection circuit comprises a photoelectric coupler, one end of the photoelectric coupler is connected with the N end of a zero line, the other end of the photoelectric coupler is connected with an AC _ L _ TEMP, a diode is arranged between the photoelectric coupler and the AC _ L _ TEMP, a safety resistor is arranged between the photoelectric coupler and the N end of the zero line, a voltage stabilizing diode is connected in parallel on the photoelectric coupler, a capacitor is also connected in parallel on the photoelectric coupler, one end of the capacitor is connected with a transistor, one end of the transistor is grounded, the other end of the transistor is connected with 5V voltage through the resistor, the transistor is also connected with AC _ INT through the resistor, the input end of the photoelectric coupler is connected with alternating current, the alternating current adopts 50Hz or 60Hz sine waves, and 50Hz or 60Hz square waves are generated at the AC _.
Secondly, in software, the improvement is also provided, the optical coupling input end of the zero-crossing detection circuit is connected to the AC _ L _ TEMP, a zero-crossing signal is generated only after the power supply control relay is attracted, the scheme before the change is that the power supply control relay is attracted firstly after the zero-crossing signal is firstly attracted, the attraction power supply control relay can generate the zero-crossing signal only after the change, so that the power supply control relay can be disconnected only in the zero-crossing interruption and can not be attracted in the zero-crossing interruption, the change must be carried out on the software, the power supply key is detected to be pressed by a user, the power supply control relay is attracted firstly, the shutdown power consumption of the washing machine is reduced, and the work of the washing machine cannot be.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. A processing method for reducing shutdown power consumption of a washing machine is characterized by comprising the following steps:
the method comprises the following steps: detecting a main circuit of the washing machine;
step two: analyzing a main circuit of the washing machine;
step three: analyzing a zero-crossing detection circuit on the main circuit;
step four: and designing a new zero-crossing detection circuit.
2. The processing method for reducing shutdown power consumption of a washing machine as claimed in claim 1, wherein the main circuit comprises a power conversion circuit, a control board, a power control circuit, a zero-crossing detection circuit, and a voltage stabilization control circuit.
3. The processing method for reducing the shutdown power consumption of the washing machine according to claim 2, wherein the power control circuit comprises a single chip microcomputer control end and a load power supply, the single chip microcomputer control end is at a high level when the machine is in the shutdown state, the relay is disconnected, the load power supply is suspended, the control circuit of the load is in a non-power state, after the fact that the user presses a startup key is detected, the single chip microcomputer control end is pulled down, the relay is pulled in, the AC _ L _ TEMP is connected with the AC _ L, the AC _ L is a live wire end of a mains supply, and the power supply of the load control circuit is turned on.
4. The processing method for reducing the shutdown power consumption of the washing machine as claimed in claim 2, wherein the voltage regulation control circuit comprises a voltage regulator, and a capacitor is connected to both the input end and the output end of the voltage regulator.
5. The method as claimed in claim 1, wherein the new zero cross detection circuit comprises a photo coupler, one end of the photo coupler is connected to the N-terminal of the zero line, the other end of the photo coupler is connected to the AC _ L _ TEMP, a diode is disposed between the photo coupler and the AC _ L _ TEMP, a safety resistor is disposed between the photo coupler and the N-terminal of the zero line, and a voltage stabilizing diode is coupled in parallel to the photo coupler.
6. The method as claimed in claim 1, wherein the photocoupler is further connected with a capacitor in parallel, one end of the capacitor is connected with a transistor, one end of the transistor is connected to ground, the other end of the transistor is connected with a voltage of 5V through a resistor, and the transistor is further connected with AC _ INT through a resistor.
7. The method as claimed in claim 1, wherein the input terminal of the photo coupler is connected to an AC power, the AC power is 50Hz or 60Hz sine wave, and the AC power is converted by the circuit to generate 50Hz or 60Hz square wave at AC _ int.
8. A process of reducing the power consumption of a washing machine when it is turned off according to claim 3, wherein the control of the load power is performed in a zero-crossing interrupt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110113047.9A CN112941817B (en) | 2021-01-27 | 2021-01-27 | Processing method for reducing shutdown power consumption of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110113047.9A CN112941817B (en) | 2021-01-27 | 2021-01-27 | Processing method for reducing shutdown power consumption of washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN112941817A true CN112941817A (en) | 2021-06-11 |
| CN112941817B CN112941817B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110113047.9A Active CN112941817B (en) | 2021-01-27 | 2021-01-27 | Processing method for reducing shutdown power consumption of washing machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0653832A2 (en) * | 1993-11-16 | 1995-05-17 | Lg Electronics Inc. | Method and device for controlling speed of a washing machine motor |
| CN201335958Y (en) * | 2008-10-09 | 2009-10-28 | 广东德豪润达电气股份有限公司 | Zero-crossing circuit capable of realizing standby zero-power of household appliances |
| CN102505415A (en) * | 2011-10-19 | 2012-06-20 | 合肥荣事达三洋电器股份有限公司 | Control circuit of zero-power-consumption standby of full-automatic washing machine controller and control method thereof |
| CN103784099A (en) * | 2012-10-26 | 2014-05-14 | 美的集团股份有限公司 | Zero cross detection circuit and dish-washing machine |
| 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 |
-
2021
- 2021-01-27 CN CN202110113047.9A patent/CN112941817B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0653832A2 (en) * | 1993-11-16 | 1995-05-17 | Lg Electronics Inc. | Method and device for controlling speed of a washing machine motor |
| CN201335958Y (en) * | 2008-10-09 | 2009-10-28 | 广东德豪润达电气股份有限公司 | Zero-crossing circuit capable of realizing standby zero-power of household appliances |
| CN102505415A (en) * | 2011-10-19 | 2012-06-20 | 合肥荣事达三洋电器股份有限公司 | Control circuit of zero-power-consumption standby of full-automatic washing machine controller and control method thereof |
| CN103784099A (en) * | 2012-10-26 | 2014-05-14 | 美的集团股份有限公司 | Zero cross detection circuit and dish-washing machine |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN112941817B (en) | 2023-05-09 |
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