CN1328185A - Washer - Google Patents
Washer Download PDFInfo
- Publication number
- CN1328185A CN1328185A CN01110886A CN01110886A CN1328185A CN 1328185 A CN1328185 A CN 1328185A CN 01110886 A CN01110886 A CN 01110886A CN 01110886 A CN01110886 A CN 01110886A CN 1328185 A CN1328185 A CN 1328185A
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage
- wash tub
- control device
- drench pit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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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
- D06F33/04—Control of operations performed in washing machines or washer-dryers non-electrically
- D06F33/08—Control of operations performed in washing machines or washer-dryers non-electrically substantially hydraulically
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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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
-
- 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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
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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
-
- 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
-
- 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
- D06F37/40—Driving arrangements for driving the receptacle and an agitator or impeller, e.g. alternatively
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Rectifiers (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The object of this invention is to provide an economic realization of an electric washing machine using a brushless motor. In this invention, a DC voltage generation circuit 34 for generating DC voltage in an inverter circuit 35 of a controller 27 is a rectifier circuit which selectively works as a voltage doubler rectifier circuit or full-wave rectifier circuit depending on the continuity or non-continuity of a semiconductor AC switching element.
Description
The present invention relates to washing machine.
Usually washing machine possess be arranged on rotatable Wash tub in the water jacket hold concurrently drench pit, be arranged on hold concurrently rotatable paddle, the rotation of drench pit bottom of this Wash tub and drive the hold concurrently Vidacare corp of drench pit and paddle of Wash tub, optionally rotate by this Vidacare corp and to drive above-mentioned Wash tub hold concurrently drench pit and paddle, stirring the washings that Wash tub holds concurrently in the drench pit thus carries out washing procedure and crosses water conservancy project preface (matting), after this, make the Wash tub drench pit of holding concurrently rotate the dehydration procedure that carries out the washings centrifugal dehydration at a high speed.
Vidacare corp is as power source usability induction motor usually, and proposes to utilize inverter circuit to the power Vidacare corp of this structure of brushless motor recently.Also proposed to use brushless motor can realize the washing machine of multiple washing and dehydrating operation as motor.The washing machine of inverter control for example leaves in flat 9-No. 121584 communiques disclosed the spy.
Again, though with washing machine be diverse technology, for example in air-conditioning technical field, have and utilize inverter control to come technology motion to the motor power supply.This technology is for example opened in flat 10-No. 111028 communiques disclosed the spy.
Though used the washing machine of the brushless motor of inverter control to wash efficiently and dehydration procedure, yet existed problem on the high side.
An object of the present invention is make to adopt inverter control brushless motor washing machine more economically
Another object of the present invention is to make brushless motor rotate more efficiently according to operation.
A further object of the present invention is by reasonably controlling the burden that the voltage that is applied on the thyristor alleviates this thyristor.
Washing machine of the present invention possesses the Wash tub that is arranged in the water jacket drench pit of holding concurrently, be arranged at the hold concurrently rotatable paddle of drench pit bottom of above-mentioned Wash tub, drive the hold concurrently brushless motor of drench pit and paddle of above-mentioned Wash tub, control device with DC voltage generation circuit and inverter circuit, by above-mentioned control device control the rotation of above-mentioned brushless motor and selectively drive above-mentioned Wash tub hold concurrently drench pit and paddle and stir Wash tub hold concurrently in the drench pit washings carry out washing procedure, and make the above-mentioned Wash tub drench pit of holding concurrently rotate at a high speed and make the dehydration procedure of washings centrifugal dehydration, its characteristics are, above-mentioned control device possesses at DC voltage and produces in the circuit rectification circuit that conducting or not conducting by the semiconductor AC switch element optionally have times voltage rectifying circuit or full-wave rectifying circuit function, according to washing procedure and dehydration procedure, change the DC voltage of supplying with inverter circuit by conducting/not on-state of controlling above-mentioned semiconductor AC switch element.
Above-mentioned semiconductor AC switch element is a bidirectional triode thyristor.
Above-mentioned control device is that not on-state makes above-mentioned rectification circuit have the function of full-wave rectifying circuit and supplies with lower DC voltage to above-mentioned inverter circuit by keep above-mentioned semiconductor AC switch element in washing procedure.
Above-mentioned control device carries out PWM control by above-mentioned inverter circuit in washing procedure.
Above-mentioned control device is that conducting state makes above-mentioned rectification circuit have the function of times voltage rectifying circuit and supplies with higher DC voltage to above-mentioned inverter circuit by keeping above-mentioned semiconductor AC switch element in dehydration procedure.
Above-mentioned control device carries out PWM control by inverter circuit for the alternating voltage of supplying with above-mentioned brushless motor in the acceleration shelves of the above-mentioned brushless motor of dehydration procedure.
Above-mentioned control device is in the acceleration shelves of the above-mentioned brushless motor of dehydration procedure, and by controlling the conducting angle of above-mentioned semiconductor AC switch element, the VD that makes DC voltage produce circuit gradually changes.
Again, washing machine of the present invention possesses the Wash tub that is arranged in the water jacket drench pit of holding concurrently, be arranged at the hold concurrently rotatable paddle of drench pit bottom of above-mentioned Wash tub, drive the hold concurrently brushless motor of drench pit and paddle of above-mentioned Wash tub, control device with DC voltage generation circuit and inverter circuit, control the rotation of above-mentioned brushless motor and selectively drive above-mentioned Wash tub hold concurrently drench pit and paddle and stir the washings that Wash tub holds concurrently in the drench pit and carry out washing procedure by above-mentioned control device, and make the above-mentioned Wash tub drench pit of holding concurrently rotate at a high speed and make the dehydration procedure of washings centrifugal dehydration, its characteristics are, above-mentioned control device produces in the circuit rectification circuit that conducting or not conducting by the semiconductor AC switch element optionally have the function of voltage doubling rectifing circuit or full-wave rectifying circuit at DC voltage, according to rigidly connecting, change the DC voltage of supply inverter circuit by the conducting/not on-state of control thyristor into power supply and/or washing and dewatering state and holding state.
Like this, above-mentioned DC voltage produces circuit and reduces the DC voltage of supplying with inverter circuit under power supply and/or the holding state rigidly connecting.
Fig. 1 is the vertical section side view of the washing machine of expression the present invention one example.
Fig. 2 is the Vidacare corp of expression washing machine shown in Figure 1 and the in-built block diagram of control device.
Fig. 3 is the VD performance plot that its DC voltage of washing machine shown in Figure 2 produces circuit.
Fig. 1 is the vertical section side view that the present invention represents the washing machine of the present invention's one example, represents the example of automatic washing machine here.
The 1st, the shell of washing machine has constituted and has surrounded internal structure framework on every side.2 are arranged on Wash tub in the shell 1 drench pit of holding concurrently, and possess fluid balance circle 3 in its top edge.Possesses the comfortable paddle 4 of rotation in the hold concurrently bottom of drench pit 2 of this Wash tub.The 5th, water jacket is being placed the above-mentioned Wash tub that rotates freely hold concurrently drench pit 2 and paddle 4 in its inside.Mounting base 7 by steel plate system is installed in the Vidacare corp 6 of interior dress brushless motor on water jacket 5 bottom outside, is suspending antihunting device 8 in midair on four angles of shell 1 upper end.
Possess clothing put into the top cover plate 9 of opening 9a be arranged on Wash tub hold concurrently drench pit 2 above.This cover plate 9 covering shells, 1 upper opening and embed the edge of opening, front panel 10 and front panel 11 are all passed through to install screw (diagram is omitted) and are installed on the housing 1.
The front panel casing 12 that shaping is arranged below the anterior and front panel 10 at top cover plate 9, inside have been placed to be possessed as the input switch group of console switch and display element group's guidance panel 13, guidance panel control device 14 and produces level sensor 15 corresponding to the water level signal of water jacket 5 interior water levels.Though the input switch group has omitted and has illustrated, it possess the washings dirt degree of setting (dirt is many, standard dirt, dirt is few) switch, set the dry cleaning washing switch, set the switch and the starting switch of washing quilt.Be provided with in addition the switch selecting washing or cross the water flow intensity and expression clothing quality switch.
The front panel case 16 of shaping is arranged at the bottom of top cover plate 9 rear portions and front panel 11.In this front panel case 16, influent side is housed is connected the water supply electromagnetic valve 19 that water outlet side is connected with water filling port 18 with feed water inlet 17.The shaping of water filling port 18 is wanted and can be discharged water to the opening of the double dehydration of sink notch 2.In front panel case 16 with good grounds need with water for bathing etc. by pump supply with Wash tub hold concurrently drench pit 2 pump (omitting diagram) and will remove the filter (omitting diagram) of supplying with inlet 18 behind the metal ion from the water in the running water of above-mentioned water supply electromagnetic valve 19.
Injection molded is put into opening 9a at the clothing of above-mentioned upper cover plate 9 and can free be covered by lid 20 closedly.
The water discharge outlet 5a that forms in water jacket 5 bottoms is connected with osculum 22 by drain solenoid valve 21.Be provided with air pocket 5b below water jacket 5, this air pocket 5b is connected with above-mentioned level sensor 15 to detect the water level in the water jacket 5 by air hose 23.
The plastic base plate 25 of adorning footing 24 on four jiaos is being housed below the housing 1.
Above-mentioned Vidacare corp 6 is covered by the cover plate 26 of waterproof.Be equipped with as the good brushless motor of the control performance of motor on this Vidacare corp 6.The control device 27 that inverter circuit is housed by inside is realized powering to brushless motor.This control device 27 is according to the power supply of controlling from the instruction of aforesaid operations panel control device 14 to brushless motor.Control to the brushless motor power supply is to adopt PWM (pulse width modulation) and PAM (pulse voltage modulation).
Fig. 2 is the Vidacare corp 6 of expression washing machine and the in-built block diagram of control device 14,27.
Vidacare corp 6 possesses the clutch mechanism 29 that comprises brushless motor 28 and reduction gear.Brushless motor 28 passes through the position signalling of position of rotation detecting element 28a output corresponding to rotor rotation position, and makes the rotor rotation by control device 27 to the power supply of the 3 stator coils of wire.The rotation of this rotor passes to Wash tub hold concurrently drench pit 2 and/or paddle 4 by clutch mechanism 29.
Guidance panel control device 14 is made of the microcomputer that possesses communication function 30 as main body, detects the input switch group's 31 who is arranged at guidance panel 13 input, and transmits to control device 27, implements the control of lighting/extinguishing simultaneously and handles.
DC voltage generation circuit 34 is made of the compound rectification circuit of full-wave rectifying circuit and voltage doubling rectifing circuit, its compound circuit circuit is by smoothing capacity (electrochemical capacitor) 34f with the diode 34b～34e parallel connection of reactor 34a bridge joint, 34g and constitute as bidirectional triode thyristor (FLS) 34h of semiconductor AC switch element, by keeping bidirectional triode thyristor 34h is not on-state and the power supply power supply is carried out full-wave rectification and makes smoothing capacity 34f, 34g charges under series connection to have given play to the function of full-wave rectifying circuit, by making that bidirectional triode thyristor 34h is that conducting state is come rectifier power source voltage, smoothing capacity 34h, 34g alternately charges to have given play to the function of voltage doubling rectifing circuit mutually.Under the state that plays the voltage doubling rectifing circuit function, as the pairing conducting phase place of the AC supply voltage waveform that changes bidirectional triode thyristor 34h, then the charging voltage of smoothing capacity 34f, 34g alters a great deal, and, this DC voltage produce circuit 34 with the DC voltage at the two ends of the serial connection state of this smoothing capacity 34f, 34g as VD.
Thyristor 35a uses and is similar to the such power transistor of IGBT, and constitutes inverter circuit 35 by 3 phase bridge joints, supplies with 3 cross streams voltages (electric current) to brushless motor 28.
Process auxiliary drive circuit 36 connects bidirectional triode thyristor 36a～36c water supply electromagnetic valve coil 19a, drain solenoid valve coil 21a, clutch coil 29a, drives water supply electromagnetic valve 19, drain solenoid valve 21, clutch mechanism 29a by these bidirectional triode thyristors of conducting 36a～36c optionally.
Like this, be controlled at and detect the intrinsic standoff ratio on the detection resistance circuit 38 of VD that DC voltage produces circuit 34 and feed back to dc voltage control circuit 39, control bidirectional triode thyristor 34h makes VD reach setting.
Again, detect from the position signalling of the position of rotation detecting element 28a of brushless motor 28 position of rotation by position of rotation testing circuit 40, drive inverter circuit 35 by inverter driving circuit 41 and make and power with the pairing phase place of this position of rotation with the rotor that detects this brushless motor 28.
So, in washing procedure,, make hold concurrently drench pit 2 of Wash tub keep static, control inverter circuit 35 and make that driving paddles 4 by brushless motor 28 is rotated in the forward and counter-rotating by clutch mechanism 29 by the energising of clutch coil 29a.Making brushless motor 28 carry out in the washing procedure of low speed rotation like this, the VD that the DC voltage that hope is supplied with to inverter circuit 35 produces circuit 34 is lower voltage, for the compound rectification circuit that makes DC voltage produce circuit 34 has the function of full-wave rectifying circuit, control bidirectional triode thyristor 34h is not on-state.
The VD that DC voltage generation circuit 34 is exported as full-wave rectifying circuit is about 120 volts.The 3 cross streams electricity that inverter circuit 35 will produce according to this voltage is supplied with brushless motor 28 and is made this brushless motor 28 rotate, yet in order to reduce rotating speed, under the situation of control output, carries out PWM control for 3 cross streams voltages.
In dehydration procedure, by stopping to clutch pioneer 29a energising, control inverter circuit 35 makes and utilizes clutch mechanism 29 to make Wash tub hold concurrently drench pit 2 and paddle 4 for one and utilize the rotation of brushless motor 28 high-speed forward.Rotate at a high speed in the dehydration procedure of brushless motor 28 at this, the VD of the DC voltage generation circuit 24 of supply inverter circuit 35 is preferably higher, in order to make the compound rectification circuit of DC voltage generation circuit 34 have the function of voltage doubling rectifing circuit, control bidirectional triode thyristor 34h is a conducting state.
DC voltage produces the function of circuit 34 as voltage doubling rectifing circuit, and the VD of being exported is about 240 volts.The 3 cross streams voltages that inverter circuit 35 will produce according to this voltage are supplied with brushless motor 28 makes brushless motor 28 rotate at a high speed, rises gradually for making rotating speed, preferably carries out PWM control or PAM control for 3 cross streams electricity.PWM control be by make DC voltage produce that circuit 34 has the function of voltage doubling rectifing circuit and under the state of keeping the output ceiling voltage angle of flow of the thyristor 35a of control inverter circuit 35 realize that and PAM control is to change VD by the conduction phase angle that the control DC voltage produces the bidirectional triode thyristor 34h of circuit 34 to realize.This VD control is recently to realize by the dividing potential drop that microcomputer 37 detects the rotating speed of motor 28 according to the detection signal from position detecting circuit 40 and control detects resistance circuit 38 according to rotating speed.
Fig. 3 is the VD characteristic that the expression DC voltage produces circuit 34.Because the angle of flow phase place of control bidirectional triode thyristor 34h, VD gradually changes, and when becoming conducting state or not on-state, this VD becomes higher voltage (about 240 volts) or lower voltage (about 120 volts) is divided into second gear.
Again, the microcomputer 37 of above-mentioned control device 27 be preferably in rigidly connect behind the power supply and holding state down control dc voltage control circuit 39 VD that makes DC voltage produce circuit 34 be low voltage, and be preferably in washing and dehydrating operation state down control dc voltage control circuit 39 VD that makes DC voltage produce circuit 34 be higher voltage.
The control device 27 that constitutes with thyristor is making the stand-by period that rigidly connects power supply and timer reservation operation etc. not make under the holding state of equipment work, be low state in order to alleviate the burden of thyristor, preferably make the voltage that is applied on the thyristor.Here, microcomputer 37 by the whole control of management washing machine judges which kind of state washing machine is in, the VD that control dc voltage control circuit 39 makes DC voltage produce circuit 34 under the holding state of the stand-by period that rigidly connects power supply and timer reservation etc. is a low voltage, and the VD that control dc voltage control circuit 39 makes DC voltage produce circuit 34 under washing and dehydrating operation state is a high voltage.
The present invention is by the conducting or the not conducting of semiconductor AC switch element, making in the inverter circuit of control device the DC voltage that produces DC voltage produce circuit becomes the rectification circuit that optionally has voltage doubling rectifing circuit or full-wave rectifying circuit function, can realize thus making the brushless motor that adopts inverter control washing machine more economically.
Therefore, in washing procedure, make above-mentioned rectification circuit have the function of full-wave rectifying circuit and supply with lower DC voltage to above-mentioned inverter circuit by the state of keeping the not conducting of above-mentioned switch element, in dehydration procedure, make above-mentioned rectified current have the function of voltage doubling rectifing circuit and supply with higher DC voltage to above-mentioned inverter circuit by keeping above-mentioned switch element conducting, according to the difference of operation, brushless motor is rotated expeditiously thus.
Again, rigidly connecting under power supply and the holding state,, can alleviate the burden of thyristor by making that the VD of dc power generating circuit is lower state.
Claims (9)
1. washing machine, possesses the rotatable Wash tub that is arranged in the water jacket drench pit of holding concurrently, be arranged at the hold concurrently rotatable paddle of drench pit bottom of described Wash tub, drive the brushless motor that described Wash tub is held concurrently drench pit and paddle rotation, control device with DC voltage generation circuit and inverter circuit, by described control device control the rotation of described brushless motor and selectively drive described Wash tub hold concurrently drench pit and paddle rotate stir Wash tub hold concurrently in the drench pit washings carry out washing procedure, and make the described Wash tub drench pit of holding concurrently rotate at a high speed and make the dehydration procedure of washings centrifugal dehydration, it is characterized in that
Described control device possesses and produces in the circuit conducting by the semiconductor AC switch element or not conducting at DC voltage and select rectification circuit as voltage doubling rectifing circuit or full-wave rectifying circuit function, according to washing procedure and dehydration procedure, change the DC voltage of supplying with inverter circuit by conducting/not on-state of controlling described semiconductor AC switch element.
2. washing machine as claimed in claim 1 is characterized in that,
Described semiconductor AC switch element is a bidirectional triode thyristor.
3. washing machine according to claim 1 is characterized in that,
Described control device is that not on-state makes described rectification circuit have the function of full-wave rectifying circuit and supplies with lower DC voltage to described inverter circuit by keep described semiconductor AC switch element in washing procedure.
4. washing machine as claimed in claim 3 is characterized in that,
Described control device carries out PWM control by described inverter circuit in washing procedure.
5. washing machine as claimed in claim 1 is characterized in that,
Described control device is that conducting state makes described rectification circuit have the function of voltage doubling rectifing circuit and supplies with higher DC voltage to described inverter circuit by keeping described semiconductor AC switch element in dehydration procedure.
6. washing machine as claimed in claim 5 is characterized in that,
Described control device carries out PWM control by inverter circuit for the alternating voltage of supplying with described brushless motor in the acceleration shelves of the described brushless motor of dehydration procedure.
7. washing machine as claimed in claim 5 is characterized in that,
Described control device is in the acceleration shelves of the described brushless motor of dehydration procedure, and by controlling the conducting angle of described semiconductor AC switch element, the VD that makes DC voltage produce circuit gradually changes.
8. washing machine, possesses the Wash tub that is arranged in the water jacket drench pit of holding concurrently, be arranged at the hold concurrently rotatable paddle of drench pit bottom of described Wash tub, drive the hold concurrently brushless motor of drench pit and paddle of described Wash tub, control device with DC voltage generation circuit and inverter circuit, control the rotation of described brushless motor and selectively drive described Wash tub hold concurrently drench pit and paddle and stir the washings that Wash tub holds concurrently in the drench pit and carry out washing procedure by described control device, and make the described Wash tub drench pit of holding concurrently rotate at a high speed and make the dehydration procedure of washings centrifugal dehydration, it is characterized in that
Possess at DC voltage and produce in the circuit rectification circuit that conducting or not conducting by the semiconductor AC switch element optionally have the function of voltage doubling rectifing circuit or full-wave rectifying circuit, according to rigidly connecting the DC voltage that changes the supply inverter circuit into power supply and/or washing and dewatering state and holding state by the conducting/not on-state of control thyristor.
9. washing machine as claimed in claim 8 is characterized in that,
Described DC voltage produces circuit and is rigidly connecting the DC voltage that reduces the supply inverter circuit under power supply and/or the holding state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP178576/2000 | 2000-06-14 | ||
| JP2000178576A JP2001353396A (en) | 2000-06-14 | 2000-06-14 | Electric washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1328185A true CN1328185A (en) | 2001-12-26 |
| CN1212439C CN1212439C (en) | 2005-07-27 |
Family
ID=18679985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01110886XA Expired - Fee Related CN1212439C (en) | 2000-06-14 | 2001-02-28 | Washer |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2001353396A (en) |
| KR (1) | KR100382013B1 (en) |
| CN (1) | CN1212439C (en) |
| TW (1) | TW523562B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294465C (en) * | 2003-06-27 | 2007-01-10 | 金羚电器有限公司 | Water intake and discharge control system for household washing apparatus |
| CN1302612C (en) * | 2002-03-29 | 2007-02-28 | 三洋电机株式会社 | Control equipment of brushless motor and washing machine with the same equipment |
| CN103997279A (en) * | 2013-03-25 | 2014-08-20 | 穆尔芬根依必派特股份有限公司 | Method and control circuit for controlling a brushless electric motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4802958B2 (en) * | 2006-09-28 | 2011-10-26 | 株式会社デンソー | Rotating electrical machine equipment |
| US10541607B2 (en) | 2017-05-23 | 2020-01-21 | Whirlpool Corporation | Voltage doubling circuit for laundry treating appliance with high power variable frequency drive |
-
2000
- 2000-06-14 JP JP2000178576A patent/JP2001353396A/en not_active Withdrawn
-
2001
- 2001-02-21 TW TW090103938A patent/TW523562B/en not_active IP Right Cessation
- 2001-02-23 KR KR10-2001-0009117A patent/KR100382013B1/en not_active IP Right Cessation
- 2001-02-28 CN CNB01110886XA patent/CN1212439C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302612C (en) * | 2002-03-29 | 2007-02-28 | 三洋电机株式会社 | Control equipment of brushless motor and washing machine with the same equipment |
| CN1294465C (en) * | 2003-06-27 | 2007-01-10 | 金羚电器有限公司 | Water intake and discharge control system for household washing apparatus |
| CN103997279A (en) * | 2013-03-25 | 2014-08-20 | 穆尔芬根依必派特股份有限公司 | Method and control circuit for controlling a brushless electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100382013B1 (en) | 2003-04-26 |
| KR20010112052A (en) | 2001-12-20 |
| JP2001353396A (en) | 2001-12-25 |
| TW523562B (en) | 2003-03-11 |
| CN1212439C (en) | 2005-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050727 |