CN101858025A - Power-on circuit for washing machine and power-on method thereof - Google Patents
Power-on circuit for washing machine and power-on method thereof Download PDFInfo
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- CN101858025A CN101858025A CN201010175548A CN201010175548A CN101858025A CN 101858025 A CN101858025 A CN 101858025A CN 201010175548 A CN201010175548 A CN 201010175548A CN 201010175548 A CN201010175548 A CN 201010175548A CN 101858025 A CN101858025 A CN 101858025A
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- cover plate
- washing machine
- door cover
- control panel
- microswitch
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Abstract
The invention relates to a powder-on circuit for a washing machine. The circuit comprises a door cover plate and a control panel, wherein the door cover plate is hinged with a washing machine body; the control panel can be used for a user to operate; the control panel is provided with a touch key; a linked switch is arranged at the position where the washing machine body is contacted with the door cover plate or in a lock hole of a door lock; and the linked switch is connected with a master relay in parallel and is connected with a main control unit (MCU) through a transformer. The invention also discloses a power-on method for the power-on circuit of the washing machine. In the circuit and the method, the linked switch which can control the power on of the control panel is arranged on the washing machine body, and linkage is realized by the linked switch and an opening action of the door cover plate or the door lock; and when the door cover plate or the door lock is open, the MCU supplies power to the control panel so that the overall control panel becomes more coordinate and beautiful. The power-on circuit has the characteristics of high waterproofness, simple structure and convenient use, and can avoid a key damage phenomenon caused by long-term use.
Description
Technical field
The present invention relates to the washing machine technical field, especially a kind of power on circuit and powering method thereof of washing machine.
Background technology
Owing to reasons such as standby energy consumption requirement and safe handlings, the washing machine industry requires product to have the function of full utmost point outage gradually, in brief, is exactly that live wire is in off-position in not by power switch, in power switch is opened the ability place in circuit.At present, have following several mode can realize above-mentioned functions:
The first, adopt the mechanical switch of an independent reciprocator: in the time of need powering on, mechanical switch is pressed, set up power circuit, by the program execution that powers on; When needing outage, press the mechanical switch homing once more, power cut.
The second, adopted the rotary coding switch of forceful electric power on off mechanism integrated: in the time of need powering on, as long as the switch rotation is connected; When needing outage, switch is rotated to unique de-energized get final product.
The 3rd, being used of microswitch, master relay and light current button: in the time of need powering on, as long as by a microswitch, the electric power of generation is enough to make program subsequently with the master relay closure; When needing outage, by a light current button, program is cut off master relay subsequently.
The 4th, being used of double control switch and master relay: double control switch is an integrated forceful electric power button and a light current button, this forceful electric power button is similar to microswitch, because the stroke of forceful electric power button is in advance in the light current button, in the time of need powering on, as long as by a double control switch, the forceful electric power button connect the electric power that produces be enough to make program sense light current by one-key emergent press and subsequently with the master relay closure; When needing outage, by a double control switch, program is sensed the light current button and subsequently master relay is cut off.
From four kinds of above-mentioned modes, can find, no matter which kind of mode all needs the process of one-time mechanical operation can realize full level outage, especially preceding dual mode after EP (end of program) once more mechanically actuated could cut off electric power, this application on full touch-key washing machine just is restricted, because can't adopt any switch that mechanical trip is arranged on the guidance panel of full touch-key washing machine.
Summary of the invention
The object of the present invention is to provide a kind of circuit that powers on that need not on the guidance panel of washing machine, to be provided with electric switch mechanically, can realize the washing machine of full utmost point power down function.
For achieving the above object, the present invention has adopted following technical scheme: a kind of circuit that powers on of washing machine, comprise door cover plate, door cover plate and washing machine body are hinged, also comprise and for the control panel of user operation touch key-press to be set on the control panel, on the washing machine body with in the lockhole of contacted position of door cover plate or door lock linked switch is set, described linked switch is in parallel with master relay, and links to each other with main control chip MCU by transformer.
The invention also discloses a kind of powering method of the circuit that powers on of washing machine, open door cover plate, linked switch is pushed closure by door cover plate or door lock, and control panel powers on, and main control chip MCU makes the master relay closure; In washing process, close door cover plate or lock door lock, the linked switch closure, control panel is still charged.
As shown from the above technical solution, the present invention can control the linked switch that control panel powers on by being provided with on washing machine body, and the opening action of this linked switch and door cover plate or door lock realized interlock, when opening door cover plate or door lock, main control chip MCU promptly powers to control panel, need not on control panel, to be provided with the mechanical key that special use powers on, make the integral body of control panel coordinate more, attractive in appearance, good waterproof performance of the present invention, simple in structure, easy to use, can avoid the long-term button that brings that uses to damage phenomenon.
Description of drawings
Fig. 1 is a circuit structure diagram of the present invention;
Fig. 2,3 is respectively the working state schematic representation that door cover plate cooperates with safety switch assembly, microswitch among the present invention;
Fig. 4,5 is respectively the working state schematic representation that PTC door lock slide plate cooperates with microswitch among the present invention.
The specific embodiment
A kind of circuit that powers on of washing machine, comprise door cover plate 1, door cover plate 1 is hinged with washing machine body, also comprising can be for the control panel of user's operation, touch key-press is set on the control panel, on the washing machine body with in the lockhole of door cover plate 1 contacted position or door lock linked switch is set, described linked switch is in parallel with master relay 2, and links to each other with main control chip MCU 4 by transformer 3.For rotary drum washing machine, described linked switch comprise be arranged on door cover plate 1 below and with the contacted safety switch assembly 6 in door cover plate 1 lower surface, and be arranged on safety switch assembly 6 belows and be in the interior microswitch 5 of safety switch assembly 6 strokes, safety switch assembly 6 and microswitch 5 interlocks, microswitch 5 is in parallel with master relay 2, microswitch 5 links to each other with main control chip MCU 4 by transformer 3, microswitch 5 is a normal open switch, also can adopt normally closed switch, as shown in Figure 1, 2, 3.
In use, open door cover plate 1, door cover plate 1 presses down safety switch assembly 6, and safety switch assembly 6 moves downward, and pushes microswitch 5 and makes microswitch 5 closures, and control panel powers on, and main control chip MCU 4 makes master relay 2 closures, as shown in Figure 2; In washing process, close door cover plate 1, microswitch 5 closures, control panel is still charged.That is to say, the end that is meant microswitch 5 that powers on connects live wire, the other end connects the power input of control panel, the user need open door of washing machine cover plate 1 when using washing machine, this moment, microswitch 5 was pushed closure by safety switch assembly 6, control panel powers on, and program is normally moved, and and then controls master relay 2 closures; After door cover plate 1 was closed, microswitch 5 recovered to disconnect, and electric power keeps supply by the master relay 2 of closure, as shown in Figure 3.
When after the user opens door cover plate 1, shutting door cover plate 1 again, control panel powers on, and main control chip MCU 4 detects control panel in the time of setting have the no signal input, if testing result is not, then main control chip MCU 4 drives master relay 2 disconnections, control panel outage.
Do not shut door cover plate 1 after the user opens door cover plate 1, and washing machine carries out rinsing when work, main control chip MCU 4 drives safety switch assemblies 6 and sends the prompting user and shut the alarm signal of door cover plate 1, and stops rinsing work.
When after the user opens door cover plate 1, not shutting door cover plate 1, and when washing machine does not carry out work, main control chip MCU 4 detects control panel in the time of setting have the no signal input, if testing result then drives master relay 2 and disconnects, the control panel outage for not, this moment, microswitch 5 was still closed, when shutting door cover plate 1 once more, microswitch 5 disconnects, the control panel outage.
In conjunction with Fig. 4,5, for roller washing machine, described door lock is the PTC door lock, the characteristics of roller washing machine PTC door lock are as follows: one, the PTC door lock generally has three lines, and first and second two lines connect thermistor PTC, and the 3rd line is used for conduct power and feedback.Its two, door cover plate 1 is shut the back control panel and is locked, programme-control thermistor PTC action causes the action of interior metal link gear to produce two results after the thermistor PTC thermal expansion: the one, pin is inserted out and is caused gate stop locked; Two is inner contact connection back energisings of the 3rd line, locates in order to connect heating tube, motor, water intaking valve etc.Its three, door cover plate 1 is not shut control panel and is locked, programme-control thermistor PTC action causes the action of interior metal link gear to produce two results after the thermistor PTC thermal expansion: the one, pin does not cause inserting out the generation locking because gate stop inserts; Two are inner contact of the 3rd line thereby are not switched on, because the computer intralamellar part is integrated with testing circuit, detects action and do not finish, thereby program can not continue to carry out.Its four because thermistor PTC expanded by heating cooling needs the time, suspend and EP (end of program) after the answer that all needs to wait for a period of time just can unlock, thermistor PTC is in "on" position always in running.
Utilize the These characteristics of PTC door lock, described linked switch is the microswitch 5 that is arranged in the washing machine PTC door lock lockhole, microswitch 5 is positioned at the top of PTC door lock slide plate 7 and is in the stroke of PTC door lock slide plate 7, PTC door lock slide plate 7 and microswitch 5 interlocks, PTC door lock slide plate 7 is positioned on the PTC door lock housing 8, microswitch 5 is in parallel with master relay 2, and microswitch 5 links to each other with main control chip MCU 4 by transformer 3.
When door cover plate 1 closure, the lockhole that gate stop snaps in door lock drives 7 actions of PTC door lock slide plate and makes microswitch 5 be in free travel just, as shown in Figure 4; When door cover plate 1 was opened, gate stop ejected in the door lock lockhole, and PTC door lock slide plate 7 slides and makes microswitch 5 in it closure that is pressed just, and as shown in Figure 5, the function that powers on is the same.Also can on the roller washing machine body, a microswitch 5 be set with door cover plate 1 contacted position, the action part of microswitch 5 stretches out or stretches out by a mechanism that relies on spring to answer into, utilize pressure after door cover plate 1 closure to reach touching and discharge the purpose of microswitch 5, microswitch 5 also can be designed as two kinds of open type and closed types, normal power-up in the time of can being implemented in door cover plate 1 and opening.
Claims (8)
1. the circuit that powers on of a washing machine, comprise door cover plate, door cover plate and washing machine body are hinged, also comprising can be for the control panel of user's operation, touch key-press is set on the control panel, it is characterized in that: on the washing machine body with in the lockhole of contacted position of door cover plate or door lock linked switch is set, described linked switch is in parallel with master relay, and links to each other with main control chip MCU by transformer.
2. the circuit that powers on of washing machine according to claim 1, it is characterized in that: described linked switch comprise be arranged on door cover plate below and with the contacted safety switch assembly in door cover plate lower surface, and be arranged on the safety switch assembly below and be in the interior microswitch of safety switch assembly stroke, safety switch assembly and microswitch interlock, microswitch is in parallel with master relay, and microswitch links to each other with main control chip MCU by transformer.
3. the circuit that powers on of washing machine according to claim 1, it is characterized in that: described door lock is the PTC door lock, described linked switch is the microswitch that is arranged in the washing machine PTC door lock lockhole, microswitch is positioned at the top of PTC door lock slide plate and is in the stroke of PTC door lock slide plate, PTC door lock slide plate and microswitch interlock, microswitch is in parallel with master relay, and microswitch links to each other with main control chip MCU by transformer.
4. according to the circuit that powers on of claim 2 or 3 described washing machines, it is characterized in that: described microswitch is a normal open switch.
5. the powering method of the circuit that powers on of washing machine according to claim 1, it is characterized in that: open door cover plate, linked switch is pushed closure by door cover plate or door lock, and control panel powers on, and main control chip MCU makes the master relay closure; In washing process, close door cover plate or lock door lock, the linked switch closure, control panel is still charged.
6. the powering method of the circuit that powers on of washing machine according to claim 5, it is characterized in that: shut door cover plate again after opening door cover plate, control panel powers on, main control chip MCU detects control panel in the time of setting have the no signal input, if testing result is for denying, then main control chip MCU drives the master relay disconnection, the control panel outage.
7. the powering method of the circuit that powers on of washing machine according to claim 5, it is characterized in that: do not shut after opening door cover plate, and when washing machine carried out rinsing work, main control chip MCU driving safety switch assembly sent the prompting user and shuts the alarm signal of door cover plate, and stops rinsing work.
8. the powering method of the circuit that powers on of washing machine according to claim 5, it is characterized in that: do not shut after opening door cover plate, and washing machine does not carry out washing work, and main control chip MCU detects control panel in the time of setting have the no signal input, if testing result is not, then driving master relay disconnects, the control panel outage, this moment, microswitch was still closed, when shutting door cover plate once more, microswitch disconnects, the control panel outage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010175548A CN101858025A (en) | 2010-05-13 | 2010-05-13 | Power-on circuit for washing machine and power-on method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010175548A CN101858025A (en) | 2010-05-13 | 2010-05-13 | Power-on circuit for washing machine and power-on method thereof |
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| Publication Number | Publication Date |
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| CN101858025A true CN101858025A (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010175548A Pending CN101858025A (en) | 2010-05-13 | 2010-05-13 | Power-on circuit for washing machine and power-on method thereof |
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| CN (1) | CN101858025A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048945A (en) * | 2011-10-11 | 2013-04-17 | 迪尔阿扣基金两合公司 | Switching device and method for operating a domestic appliance |
| CN104278482A (en) * | 2014-09-15 | 2015-01-14 | 合肥荣事达三洋电器股份有限公司 | Door-opening power-on circuit and washing machine adopting same |
| CN104358072A (en) * | 2014-10-17 | 2015-02-18 | 合肥荣事达三洋电器股份有限公司 | Device for controlling power-on and power-off of program controller through rotation of cover plate of washing machine |
| 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 of full-automatic washing machine |
| CN106436153A (en) * | 2016-09-30 | 2017-02-22 | 无锡小天鹅股份有限公司 | Washing machine and fingerprint recognition system and fingerprint module protection start method thereof |
| CN107090691A (en) * | 2017-04-25 | 2017-08-25 | 青岛海尔洗衣机有限公司 | A kind of control method for washing machine and washing machine |
| CN107167817A (en) * | 2017-06-16 | 2017-09-15 | 芜湖航飞科技股份有限公司 | Boat-carrying positioner based on the Big Dipper |
| WO2017177793A1 (en) * | 2016-04-14 | 2017-10-19 | 青岛海尔洗衣机有限公司 | Safety control structure for opening and closing upper cover |
| CN107287869A (en) * | 2017-07-14 | 2017-10-24 | 神龙电气有限公司 | Cloth drier door lock-switch |
| CN111235825A (en) * | 2018-11-09 | 2020-06-05 | 青岛海尔洗衣机有限公司 | Washing apparatus |
| US20220003453A1 (en) * | 2018-11-26 | 2022-01-06 | Samsung Electronics Co., Ltd. | Air cleaner |
-
2010
- 2010-05-13 CN CN201010175548A patent/CN101858025A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048945A (en) * | 2011-10-11 | 2013-04-17 | 迪尔阿扣基金两合公司 | Switching device and method for operating a domestic appliance |
| CN104278482A (en) * | 2014-09-15 | 2015-01-14 | 合肥荣事达三洋电器股份有限公司 | Door-opening power-on circuit and washing machine adopting same |
| CN104358072A (en) * | 2014-10-17 | 2015-02-18 | 合肥荣事达三洋电器股份有限公司 | Device for controlling power-on and power-off of program controller through rotation of cover plate of washing machine |
| CN104358072B (en) * | 2014-10-17 | 2016-07-13 | 惠而浦（中国）股份有限公司 | A kind of rotation by cover plate for washing machine controls the device of program controller power on/off |
| 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 of full-automatic washing machine |
| WO2017177793A1 (en) * | 2016-04-14 | 2017-10-19 | 青岛海尔洗衣机有限公司 | Safety control structure for opening and closing upper cover |
| CN106436153A (en) * | 2016-09-30 | 2017-02-22 | 无锡小天鹅股份有限公司 | Washing machine and fingerprint recognition system and fingerprint module protection start method thereof |
| CN106436153B (en) * | 2016-09-30 | 2019-01-29 | 无锡小天鹅股份有限公司 | Washing machine and its fingerprint recognition system and fingerprint mould group protect starting method |
| CN107090691A (en) * | 2017-04-25 | 2017-08-25 | 青岛海尔洗衣机有限公司 | A kind of control method for washing machine and washing machine |
| CN107167817A (en) * | 2017-06-16 | 2017-09-15 | 芜湖航飞科技股份有限公司 | Boat-carrying positioner based on the Big Dipper |
| CN107287869A (en) * | 2017-07-14 | 2017-10-24 | 神龙电气有限公司 | Cloth drier door lock-switch |
| CN111235825A (en) * | 2018-11-09 | 2020-06-05 | 青岛海尔洗衣机有限公司 | Washing apparatus |
| US20220003453A1 (en) * | 2018-11-26 | 2022-01-06 | Samsung Electronics Co., Ltd. | Air cleaner |
| US12000617B2 (en) * | 2018-11-26 | 2024-06-04 | Samsung Electronics Co., Ltd. | Air cleaner |
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Application publication date: 20101013 |