CN107653636B - Power supply control system of washing machine - Google Patents
Power supply control system of washing machine Download PDFInfo
- Publication number
- CN107653636B CN107653636B CN201711116910.6A CN201711116910A CN107653636B CN 107653636 B CN107653636 B CN 107653636B CN 201711116910 A CN201711116910 A CN 201711116910A CN 107653636 B CN107653636 B CN 107653636B
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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
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
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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)
- Power Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention relates to the technical field of washing machine power control, and particularly discloses a washing machine power control system which comprises a main control panel and a motor drive board which is in isolated communication with the main control panel through a UART (universal asynchronous receiver/transmitter), wherein the main control panel is provided with a power filter for accessing commercial power and a door lock switch circuit connected with the power filter, the main control panel is also provided with a multi-path voltage output circuit connected with the power filter and a detection control circuit connected with the door lock switch circuit, the motor drive board is provided with an L DO (dissolved oxygen demand) module and an IPM (intelligent power module) module which are connected with the multi-path voltage output circuit and a drive motor connected with the IPM module, and the IPM module is also connected with the detection control circuit.
Description
Technical Field
The invention relates to the technical field of washing machine power supply control, in particular to a washing machine power supply control system.
Background
In the increasingly competitive home appliance industry, the situation of thin and more selling is the current situation of each large brand, and how to improve the quality of products and realize the increase of pure profit while reducing the production cost is the pressure faced by each large brand.
In the field of washing machines, in the aspect of a power supply system, the current general scheme is that a main control panel and a power supply of a motor drive board are independently separated, so that the independent management of the power supply of a module unit is realized, resources cannot be reused, and the cost of a product is increased.
Disclosure of Invention
The invention provides a washing machine power supply control system, which solves the technical problem that module unit power supplies of the existing washing machine power supply management system are independently managed, and the same or similar circuit resources cannot be reused.
In order to solve the technical problem, the invention provides a power supply control system of a washing machine, which comprises a main control panel and a motor drive board which is in isolated communication with the main control panel through a UART (universal asynchronous receiver/transmitter), wherein the main control panel is provided with a power supply filter for accessing commercial power and a door lock switch circuit connected with the power supply filter, the main control panel is also provided with a multi-path voltage output circuit connected with the power supply filter and a detection control circuit connected with the door lock switch circuit, the motor drive board is provided with an L DO (closed loop power supply) module and an IPM (intelligent power module) module which are connected with the multi-path voltage output circuit and a drive motor connected with the IPM module, the IPM module is also connected with the detection control circuit, and the motor drive board is also provided with a first electrolytic capacitor which is.
Furthermore, the multi-path voltage output circuit is provided with a voltage dependent resistor, an X2 capacitor, a BUCK circuit, a transformer, a first diode, a second diode, a third diode, a second electrolytic capacitor, a third electrolytic capacitor and a fourth electrolytic capacitor; the live wire output end of the power supply filter is connected with one end of the piezoresistor, one end of the X2 capacitor and the first voltage input end of the transformer, the zero line output end of the power supply filter, the other end of the piezoresistor, the other end of the X2 capacitor and the signal input end of the BUCK circuit are jointly connected with a first reference ground, and the signal output end of the BUCK circuit is connected with the second voltage input end of the transformer;
the positive end of the first-stage voltage output of the transformer is connected with the first diode in forward series connection and then connected with the negative end of the first-stage voltage output, the positive end of the second-stage voltage output of the transformer is connected with the positive end of the forward series connection and then connected with the negative end of the second-stage voltage output, the positive end of the third-stage voltage output of the transformer is connected with the positive end of the forward series connection and then connected with the negative end of the third-stage voltage output, and then the first reference ground is connected with the negative end.
Further, the first-stage voltage output positive terminal outputs a first voltage, the second-stage voltage output positive terminal outputs a second voltage, and the third-stage voltage output positive terminal outputs a third voltage.
Preferably, the first voltage is +15V, the second voltage is +12V, and the third voltage is +5V or + 3.3V.
Further, the door lock switch circuit is provided with a door lock module and a first relay, the live wire input end of the door lock module is connected with the live wire output end of the power filter, the zero line input end of the door lock module is connected with the zero line output end of the power filter after the first relay, and the live wire output end of the door lock module is connected with the detection control circuit.
Specifically, the main control panel is further provided with a main control panel MCU connected with the detection control circuit.
Further, the detection control circuit is provided with a bidirectional triode thyristor, a second relay, a resistor and a rectifier bridge circuit, the live wire output end of the door lock module is connected with a first anode of the bidirectional triode thyristor and one end of the second relay, the second anode of the bidirectional triode thyristor is connected with the second relay after the resistor, the second anode of the bidirectional triode thyristor and the second relay are connected together, the rectification input live wire end of the rectifier bridge circuit is connected with the control end of the bidirectional triode thyristor, the rectification input zero wire end of the rectifier bridge circuit is connected with the zero wire output end of the power filter, the rectification output positive electrode end and the rectification output negative electrode end of the rectifier bridge circuit are connected with the positive electrode end and the negative electrode end of the first electrolytic capacitor respectively, and the negative electrode end of the first electrolytic capacitor is further connected with a second reference ground.
Further, the L DO module is provided with a voltage-stabilizing input end, a voltage-stabilizing output end and a grounding end, the voltage-stabilizing input end is connected with the positive end of the first-stage voltage output of the transformer, and the grounding end is connected with a second reference ground.
Specifically, the driving motor is also connected with the ground.
The power supply control system of the washing machine reduces the use of relays, BUCK circuits, peripheral circuits and the like in the conventional power supply control system of the washing machine, and greatly reduces the production cost;
under the normal starting state, the MCU in the motor driving board can monitor whether the state of the motor control board is abnormal or not, and can enter low power consumption by dormancy;
controllability of charging the first electrolytic capacitor with small current is realized, and safety and reliability are improved;
the change of the power-on sequence of the motor driving board, the direct current power supply after low-voltage isolation normally supplies power to the motor driving board, the MCU in the motor driving board can monitor the communication with the main control panel all the time, and the power control of a high-voltage loop is controlled.
Drawings
Fig. 1 is a schematic circuit diagram of a power control system of a washing machine according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a power control system of a conventional washing machine according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, which are given solely for the purpose of illustration and are not to be construed as limitations of the invention, including the drawings which are incorporated herein by reference and for illustration only and are not to be construed as limitations of the invention, since many variations thereof are possible without departing from the spirit and scope of the invention.
As shown in fig. 1, in the present embodiment, the power control system of a washing machine includes a main control panel 1 and a motor drive board 2 isolated from the main control panel 1 by a UART serial port ISO-UART, where the main control panel 1 is provided with a power filter (EMIFilter)11 connected to a mains supply and a door lock switch circuit 12 connected to the power filter 11, the main control panel 1 is further provided with a multi-path voltage output circuit 13 connected to the power filter 11 and a detection control circuit 14 connected to the door lock switch circuit 12, the motor drive board 2 is provided with an L DO module 21 and an IPM module 22 connected to the multi-path voltage output circuit 13, and a driving motor 23 connected to the IPM module 22, the IPM module 22 is further connected to the detection control circuit 14, and the motor drive board 2 is further provided with a first electrolytic capacitor C1 connected in parallel between the IPM module 22 and the detection control circuit 14.
Furthermore, the multi-path voltage output circuit 13 is provided with a voltage dependent resistor MOV1, an X2 capacitor CX2, a BUCK circuit M1, a transformer T1, a first diode D1, a second diode D2, a third diode D3, a second electrolytic capacitor C2, a third electrolytic capacitor C3 and a fourth electrolytic capacitor C4, wherein a live wire output end L1 of the power filter 11 is connected with one end of the voltage dependent resistor MOV1, one end of the X2 capacitor CX2, a first voltage input end T1_1 of the transformer T1 (the "_ 1" represents a pin number, the same applies below), a zero wire output end N1 of the power filter 11 is connected with the other end of the voltage dependent resistor MOV1, the other end of the X2 capacitor CX2 and a signal input end of the BUCK circuit M1 to be connected with a first reference ground, and a signal output end N1 of the BUCK circuit M1 is connected with a second voltage input end T392 _1 of the transformer T1;
the first stage voltage output positive terminal T1_3 of the transformer T1 is connected to the first diode D1 and the second electrolytic capacitor C2 which are connected in series in the forward direction, and then connected to the first stage voltage output negative terminal T1_4 to be connected to the second reference ground GND1, the second stage voltage output positive terminal T1_5 of the transformer T1 is connected to the second diode D2 and the third electrolytic capacitor C3 which are connected in series in the forward direction, and then connected to the second stage voltage output negative terminal T1_6 to be connected to the first reference ground GND, and the third stage voltage output positive terminal T1_7 of the transformer T1 is connected to the third diode D3 and the fourth electrolytic capacitor C4 which are connected in series in the forward direction, and then connected to the third stage voltage output negative terminal T1_8 to be connected to the first reference ground GND.
Further, the first stage voltage output positive terminal T1_3 outputs a first voltage, the second stage voltage output positive terminal T1_5 outputs a second voltage, and the third stage voltage output positive terminal T1_7 outputs a third voltage VCC 1.
Preferably, the first voltage is +15V, the second voltage is +12V, and the third voltage VCC1 is +5V or + 3.3V.
Further, lock switch circuit 12 is equipped with lock module ROOM L OCK and first relay K1, lock module ROOM L OCK's live wire input end is connected power filter 11's live wire output end L1, lock module ROOM L OCK's zero line input end is connected connect behind the first relay K1 power filter 11's zero line output end N1, lock module ROOM L OCK's live wire output end is connected detect control circuit 14.
Specifically, the main control panel 1 is further provided with a main control panel MCU (not shown in the figure) connected to the detection control circuit 14.
Further, the detection control circuit 14 is provided with a bidirectional triode thyristor BCR, a second relay K2, a resistor R1 and a rectifier bridge circuit RB, the live wire output end of the door lock module ROOM L OCK is connected with a first anode a1 of the bidirectional triode thyristor BCR and one end of the second relay K2, the second anode a2 of the bidirectional triode thyristor BCR is connected with the second relay K2 through being connected with the resistor R1, the rectification input live wire end of the rectifier bridge circuit RB is connected with the control end G of the bidirectional triode thyristor BCR, the rectification input live wire end of the rectifier bridge circuit RB is connected with the neutral wire output end N1 of the power filter 11, the rectification output positive electrode end VBUS and the rectification output negative electrode end (connected with a second reference ground GND1) of the rectifier bridge circuit RB are respectively connected with the positive electrode end and the negative electrode end of the first electrolytic capacitor C1, and the negative electrode end of the first electrolytic capacitor C1 is also connected with a second reference ground GND 1.
Further, the L DO module 21 is provided with a voltage-stabilizing input terminal 21_1, a voltage-stabilizing output terminal 21_2(VCC2), and a ground terminal 21_3, wherein the voltage-stabilizing input terminal 21_1 is connected to the first-stage voltage output positive terminal T1_3 of the transformer T1, and the ground terminal 21_3 is connected to the second ground reference GND 1.
Specifically, the driving motor 23 is also connected to the EARTH ground EARTH.
In this embodiment, a first communication side (main control panel) of the UART serial ISO-UART is connected to the third-stage voltage output positive terminal T1_7, the first reference ground GND, and a first communication transceiving terminal RX/TX1, a second communication side of the UART serial ISO-UART is connected to the regulated voltage output terminal 21_2 of the L DO module 21, the second reference ground GND1, and a second communication transceiving terminal RX/TX2, where the first communication transceiving terminal RX/TX1 and the second communication transceiving terminal RX/TX2 are respectively used to connect the main control panel MCU and the MCU of the motor drive board 2.
After the mains supply is connected and passes through the power filter 11, multi-path isolation power output is carried out by the BUCK circuit M1 and the transformer T1, wherein +15V is provided for the motor driving board to supply power, and +12V and +5V are provided for the main control panel to supply power;
the commercial power is connected into a door lock switch ROOM L OCK of the washing machine after passing through the EMI module, when the door of the washing machine is closed and the system is started, when the system detects that the motor driving board needs to supply power to a large circuit loop, the BCR (TRIAC) is closed to charge the C1 of the motor control board with a small current, and when the charging of the C1 is detected to reach a certain threshold value, the relay of the K2 is closed, so that the motor driving board forms a normal large current loop power supply.
Referring to fig. 2, which is a schematic circuit diagram of a power control system of a conventional washing machine according to an embodiment of the present invention, comparing fig. 2 with fig. 1 (in fig. 2, components having the same functions as those in fig. 1 are labeled the same), it is found that the rectifier bridge circuit RB and the relay switching circuit (including the relay K3 and the resistor R2, where a triac BCR is added in an embodiment of the present invention) of fig. 2 are located in the motor driver board 2, and a BUCK circuit M2 between the L DO module 21 and the IPM module 22 is added in the motor driver board 2, and in the main control panel 1, the relay K3 between the live output terminal L1 of the power filter 11 and the rectifier bridge circuit RB in the motor 2, and the driver board L DO module 23 connected to the BUCK circuit M2 are added in the motor driver board 2, and overall fig. 2 adopts a mode that the main control panel 1 directly controls a high voltage loop to supply power to the motor driver board 2.
As shown in fig. 2, after the mains supply is connected to the power filter 11, the mains supply is converted from the alternating current to the first-stage direct current power supply (+12V) by the conversion of the BUCK circuit M1, and then is stepped down to the second-stage direct current power supply (+5V) by the L DO module 23;
the mains supply is connected into a washing machine door lock switch ROOM L OCK after passing through the power filter 11, when the washing machine door is closed and the system is started, the system controls the closing of the relays K1 and K3, and therefore the control is achieved to provide power for the motor driving board.
As shown in fig. 2, when the main control panel 2 supplies power to the motor driving board 2, the motor driving board 2 firstly passes through R1 and RB, then performs low-current charging on C1 and converts a third-stage dc power supply (+15V) to the BUCK circuit M2, and then steps down to a fourth-stage dc power supply (VCC2) through the L DO module 21;
when the detection system (MCU of the motor drive board 2) detects that the charging of the C1 reaches a certain threshold value, the relay K3 is closed, so that the motor drive board can form normal large-current loop discharging.
According to the washing machine power supply control system provided by the embodiment of the invention, the use of relays, BUCK circuits, peripheral circuits and the like in the existing washing machine power supply control system is reduced, and the production cost is greatly reduced;
under the normal starting state, the MCU in the motor driving board 2 can monitor whether the state of the motor control board is abnormal or not, and can enter low power consumption by dormancy;
controllability of charging the first electrolytic capacitor C1 with small current is realized, and safety and reliability are improved;
the change of the electricity order on the motor drive plate 2, direct current power supply after low pressure is kept apart is motor drive plate 2 normal power supply, and MCU among the motor drive plate 2 can monitor the communication with main control panel 1 always, controls the power control in high-voltage circuit, compares the mode that current main control panel 1 direct control high-voltage circuit supplied power for motor drive plate 2, then safe and reliable more.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (7)
1. A power control system of a washing machine comprises a main control panel and a motor drive board which is in isolated communication with the main control panel through a UART (universal asynchronous receiver/transmitter), wherein the main control panel is provided with a power filter for accessing commercial power and a door lock switch circuit connected with the power filter;
the multi-path voltage output circuit is provided with a piezoresistor, an X2 capacitor, a BUCK circuit, a transformer, a first diode, a second diode, a third diode, a second electrolytic capacitor, a third electrolytic capacitor and a fourth electrolytic capacitor; the live wire output end of the power supply filter is connected with one end of the piezoresistor, one end of the X2 capacitor and the first voltage input end of the transformer, the zero line output end of the power supply filter, the other end of the piezoresistor, the other end of the X2 capacitor and the signal input end of the BUCK circuit are jointly connected with a first reference ground, and the signal output end of the BUCK circuit is connected with the second voltage input end of the transformer;
the positive end of the first-stage voltage output of the transformer is connected with the first diode and the second electrolytic capacitor which are connected in series in the forward direction and then connected with the second reference ground, the positive end of the second-stage voltage output of the transformer is connected with the second diode and the third electrolytic capacitor which are connected in series in the forward direction and then connected with the second-stage voltage output negative end of the transformer and then connected with the first reference ground, and the positive end of the third-stage voltage output of the transformer is connected with the third diode and the fourth electrolytic capacitor which are connected in series in the forward direction and then connected with the third-stage voltage output negative end of the transformer and then connected with the first reference ground;
the power filter is characterized in that the door lock switch circuit is provided with a door lock module and a first relay, the live wire input end of the door lock module is connected with the live wire output end of the power filter, the zero wire input end of the door lock module is connected with the first relay and then connected with the zero wire output end of the power filter, and the live wire output end of the door lock module is connected with the detection control circuit.
2. A washing machine power control system as claimed in claim 1, wherein: the first-stage voltage output positive terminal outputs a first voltage, the second-stage voltage output positive terminal outputs a second voltage, and the third-stage voltage output positive terminal outputs a third voltage.
3. A washing machine power control system as claimed in claim 2, wherein: the first voltage is +15V, the second voltage is +12V, and the third voltage is +5V or + 3.3V.
4. A washing machine power control system as claimed in claim 3, wherein: the main control panel is also provided with a main control panel MCU connected with the detection control circuit.
5. A washing machine power control system as claimed in claim 4, wherein: the detection control circuit is provided with a bidirectional triode thyristor, a second relay, a resistor and a rectifier bridge circuit, the live wire output end of the door lock module is connected with a first anode of the bidirectional triode thyristor and one end of the second relay, a second anode of the bidirectional triode thyristor is connected with the second relay after the resistor, the second anode of the bidirectional triode thyristor and the second relay are connected together, the rectification input live wire end of the rectifier bridge circuit is connected with the control end of the bidirectional triode thyristor, the main control panel MCU is connected with the rectification input zero wire end of the rectifier bridge circuit, the zero wire output end of the power filter is connected with the rectification input zero wire end of the rectifier bridge circuit, the rectification output positive wire end and the rectification output negative wire end of the rectifier bridge circuit are connected with the positive wire end and the negative wire end of the first electrolytic capacitor respectively, and the negative wire end of.
6. The power control system of claim 5, wherein the L DO module has a voltage regulation input terminal, a voltage regulation output terminal and a ground terminal, the voltage regulation input terminal is connected to the positive terminal of the first stage voltage output of the transformer, and the ground terminal is connected to the second reference ground.
7. A washing machine power control system as claimed in claim 6, wherein: the driving motor is also connected with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116910.6A CN107653636B (en) | 2017-11-13 | 2017-11-13 | Power supply control system of washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116910.6A CN107653636B (en) | 2017-11-13 | 2017-11-13 | Power supply control system of washing machine |
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| CN107653636A CN107653636A (en) | 2018-02-02 |
| CN107653636B true CN107653636B (en) | 2020-07-24 |
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| CN201711116910.6A Active CN107653636B (en) | 2017-11-13 | 2017-11-13 | Power supply control system of washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108594713B (en) * | 2018-05-14 | 2022-07-12 | 佛山市顺德区美的洗涤电器制造有限公司 | Motor control method, dishwasher, and computer-readable storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899288Y (en) * | 2006-02-25 | 2007-05-09 | 惠州爱帝威电工科技有限公司 | Two-way power-supply circuit of electronic switch |
| CN101033579A (en) * | 2006-03-08 | 2007-09-12 | 海尔集团公司 | Washing machine computer control plate with double-plate structure |
| CN201255841Y (en) * | 2008-09-03 | 2009-06-10 | 姜永青 | Switch box for temperature double limit air-conditioner operation |
| CN201742366U (en) * | 2010-07-14 | 2011-02-09 | 浙江师范大学 | Controller of induction motor of speed-less sensor |
| KR20130089091A (en) * | 2012-02-01 | 2013-08-09 | 김흥식 | Solvent recovery apparatus for fire prevention step by step through |
| CN104467156A (en) * | 2014-10-16 | 2015-03-25 | 福建成达兴智能科技股份有限公司 | Automatic repair system for power supplies |
| JP2017063952A (en) * | 2015-09-29 | 2017-04-06 | パナソニックＩｐマネジメント株式会社 | Motor driving device and washing machine or washing and drying machine using the same |
-
2017
- 2017-11-13 CN CN201711116910.6A patent/CN107653636B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899288Y (en) * | 2006-02-25 | 2007-05-09 | 惠州爱帝威电工科技有限公司 | Two-way power-supply circuit of electronic switch |
| CN101033579A (en) * | 2006-03-08 | 2007-09-12 | 海尔集团公司 | Washing machine computer control plate with double-plate structure |
| CN201255841Y (en) * | 2008-09-03 | 2009-06-10 | 姜永青 | Switch box for temperature double limit air-conditioner operation |
| CN201742366U (en) * | 2010-07-14 | 2011-02-09 | 浙江师范大学 | Controller of induction motor of speed-less sensor |
| KR20130089091A (en) * | 2012-02-01 | 2013-08-09 | 김흥식 | Solvent recovery apparatus for fire prevention step by step through |
| CN104467156A (en) * | 2014-10-16 | 2015-03-25 | 福建成达兴智能科技股份有限公司 | Automatic repair system for power supplies |
| JP2017063952A (en) * | 2015-09-29 | 2017-04-06 | パナソニックＩｐマネジメント株式会社 | Motor driving device and washing machine or washing and drying machine using the same |
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| CN107653636A (en) | 2018-02-02 |
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