CN112941817B - 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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- CN112941817B CN112941817B CN202110113047.9A CN202110113047A CN112941817B CN 112941817 B CN112941817 B CN 112941817B CN 202110113047 A CN202110113047 A CN 202110113047A CN 112941817 B CN112941817 B CN 112941817B
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- zero
- washing machine
- photoelectric coupler
- circuit
- crossing detection
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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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a processing method for reducing shutdown power consumption of a washing machine, which comprises the following steps: step one: 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: the novel zero-crossing detection circuit is designed, the main circuit comprises a power supply conversion circuit, a control board, 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 a zero line N end, 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 zero line N end, and the voltage stabilizing diode is connected on the photoelectric coupler in parallel. The invention has the beneficial effects that the shutdown power consumption of the washing machine is reduced by the novel zero-crossing detection circuit, and the working of the washing machine is not affected.
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 a place, a power supply is always inserted, a user directly operates a key on a panel when using the household washing machine, after washing is completed, the washing machine is automatically turned off, all lamps are turned off only in a machine stop state seen by the surface of the user, all loads are stopped, a singlechip and a power supply conversion circuit of a controller are in operation all the time in practice, the user operation is waited in real time, and certain power consumption is generated as long as the washing machine is inserted with the power supply, namely, the power consumption is turned off.
Disclosure of Invention
The invention aims to solve the problems, and designs a processing method for reducing the shutdown power consumption of a washing machine.
The technical scheme for achieving the purpose is that the processing method for reducing the shutdown power consumption of the washing machine comprises the following steps:
step one: 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 new zero-crossing detection circuit is designed.
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 stabilizing control circuit.
As a further description of the invention, the power supply control circuit comprises a singlechip control end and a load power supply, the singlechip control end is high level under the shutdown state of the machine, 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 a user presses a start key is detected, the singlechip control end is pulled down, the relay is attracted to the AC_L_TEMP to be connected with the AC_L, the AC_L is a live wire end of the commercial power, and the power supply of the load control circuit is turned on.
As a further description of the present invention, the voltage stabilizing control circuit includes a voltage stabilizer, and both an input terminal and an output terminal of the voltage stabilizer are connected with a capacitor.
As a further description of the present invention, the new zero crossing detection circuit includes a photo coupler, one end of the photo coupler is connected to the zero line N end, the other end 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 zero line N end, and a zener diode is connected in parallel to the photo coupler.
As a further description of the present invention, a capacitor is further 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 a further description of the invention, the input of the optocoupler is terminated with an alternating current, which is a 50Hz or 60Hz sine wave, which after circuit conversion produces a 50Hz or 60Hz square wave at ac_int.
As a further description of the invention, the control of the load power supply takes place in a zero-crossing interrupt.
The invention provides a processing method for reducing the shutdown power consumption of a washing machine, which comprises the following steps: step one: 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: the 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 power supply control circuit comprises a singlechip control end and a load power supply, the singlechip control end is high-level under the shutdown state of a machine, a relay is disconnected, the load power supply is suspended, the control circuit of the load is in a non-electric state, after a user presses a start key, the singlechip control end is pulled down, the relay is attracted to AC_L_TEMP and is connected with AC_L, AC_L is the live wire end of mains supply, 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 a zero line N end, the other end of the photoelectric coupler is connected with AC_L_TEMP, a safety resistor is arranged between the photoelectric coupler and the zero line N end, the photoelectric coupler is connected with a capacitor in parallel, one end of the capacitor is connected with the ground, the other end of the transistor is connected with voltage of 5V through a resistor, and in addition, the AC_INT is connected with the voltage of the resistor through the AC_L_TEMP, so that the power consumption of the washing machine can not be influenced by the washing machine through the novel zero-crossing detection circuit, and the zero-crossing detection circuit can not be influenced by the design.
Drawings
FIG. 1 is a main circuit block diagram of the present invention;
FIG. 2 is a block diagram of a new zero crossing detection circuit of the present invention;
FIG. 3 is a power control circuit diagram of the present invention;
FIG. 4 is a voltage stabilizing circuit diagram of the present invention.
Detailed Description
Firstly, the design of the invention is initially described, after the household washing machine is installed, the household washing machine is fixedly placed in a place, and the power supply is always inserted, when the user uses the household washing machine, the button on the panel is directly operated, after the washing is completed, the washing machine is automatically shut down, the shutdown is only the machine stop state seen by the surface of the user, all lamps are extinguished, all loads are stopped, the singlechip and the power supply conversion circuit of the controller are in operation all the time, and the user operation is waited in real time, so that a certain power consumption is generated, namely the shutdown power consumption, as long as the washing machine is inserted with the power supply.
The invention is specifically described below with reference to the accompanying drawings, as shown in fig. 1, a processing method for reducing shutdown power consumption of a washing machine specifically includes the following steps:
step one: detecting a main circuit of the washing machine; the process mainly detects whether the washing machine normally operates in the working process, and 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 conversion circuit, a control panel, a power control circuit, a zero crossing detection circuit and a voltage stabilizing control circuit, as shown in fig. 3, the power control circuit comprises a singlechip control end and a load power supply, the singlechip control end is high-level under the shutdown state of the machine, a relay is disconnected, the load power supply is suspended, the control circuit of the load is in a non-power state, after detecting that a user presses a start key, the singlechip 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 mains supply, the power supply of the load control circuit is turned on, and the control of the load power supply is performed in zero crossing interruption.
As shown in fig. 4, the voltage stabilizing control circuit includes a voltage stabilizer, and capacitors are connected to both the input terminal and the output terminal of the voltage stabilizer.
Step three: analyzing a zero crossing detection circuit on the main circuit;
step four: the new zero-crossing detection circuit is designed, as shown in fig. 2, and comprises a photoelectric coupler, one end of the photoelectric coupler is connected with a zero line N end, 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 zero line N end, 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 a voltage of 5V through a resistor, in addition, the transistor is connected with an AC_INT through a resistor, the input end of the photoelectric coupler is connected with alternating current, the alternating current adopts a sine wave of 50Hz or 60Hz, and a square wave of 50Hz or 60Hz is generated at the AC_INT after the circuit conversion.
Secondly, in terms of software, the input end of the optical coupler of the zero-crossing detection circuit is connected to the AC_L_TEMP, zero-crossing signals are generated only after the power control relay is attracted, the scheme before modification is that the zero-crossing signals are generated firstly and then the power control relay is attracted, and the power control relay can generate the zero-crossing signals after modification, so that the power control relay can be disconnected only in zero-crossing interruption and cannot be attracted in zero-crossing interruption, modification in software is needed, and the fact that a user presses a power key and the power control relay is attracted firstly is detected, so that the shutdown power consumption of the washing machine is reduced, and no influence is caused on the operation of the washing machine.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (1)
1. A processing method for reducing shutdown power consumption of a washing machine is characterized by comprising the following steps:
step one: detecting a main circuit of the washing machine; the process mainly detects whether the washing machine normally operates in the working process, and 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 conversion circuit, a control panel, a power control circuit, a zero crossing detection circuit and a voltage stabilizing control circuit, wherein the power control circuit comprises a singlechip control end and a load power supply, the singlechip control end is high level under the shutdown state of the machine, a relay is disconnected, the load power supply is suspended, the control circuit of the load is in a non-electric state, after the fact that a user presses a start key is detected, the singlechip control end is pulled down, the relay attracts AC_L_TEMP to be connected with AC_L, the AC_L is a live wire end of mains supply, the power supply of the load control circuit is turned on, and the control of the load power supply is performed in zero crossing interruption;
the voltage stabilizing control circuit comprises a voltage stabilizer, and the input end and the output end of the voltage stabilizer are both connected with capacitors;
step three: analyzing a zero crossing detection circuit on the main circuit;
step four: the new zero-crossing detection circuit is designed, the new zero-crossing detection circuit comprises a photoelectric coupler, one end of the photoelectric coupler is connected with a zero line N end, 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 zero line N end, 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 a resistor, in addition, the transistor is connected with an AC_INT through a resistor, the input end of the photoelectric coupler is connected with an AC, the AC adopts a sine wave of 50Hz or 60Hz, after circuit conversion, a square wave of 50Hz or 60Hz is generated at the AC_INT,
the input end of the optical coupler of the zero-crossing detection circuit is connected to the AC_L_TEMP, and zero-crossing signals are generated only after the power supply control relay is attracted.
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 |
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| 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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| CN112941817A CN112941817A (en) | 2021-06-11 |
| CN112941817B true 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 |
|---|---|---|---|---|
| EP0653832A3 (en) * | 1993-11-16 | 1995-07-12 | Gold Star Co | 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 |
|---|---|---|---|---|
| EP0653832A3 (en) * | 1993-11-16 | 1995-07-12 | Gold Star Co | 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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| CN112941817A (en) | 2021-06-11 |
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