CN104342883A - Washing machine and control method thereof - Google Patents
Washing machine and control method thereof Download PDFInfo
- Publication number
- CN104342883A CN104342883A CN201310329207.9A CN201310329207A CN104342883A CN 104342883 A CN104342883 A CN 104342883A CN 201310329207 A CN201310329207 A CN 201310329207A CN 104342883 A CN104342883 A CN 104342883A
- Authority
- CN
- China
- Prior art keywords
- magnets
- inner core
- washing machine
- permanent magnet
- urceolus
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- 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.)
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Classifications
-
- 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
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
-
- 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
-
- 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
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/22—Condition of the washing liquid, e.g. turbidity
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention provides a washing machine and a control method thereof. The washing machine comprises an inner barrel, an outer barrel and two magnets arranged in a manner of being matched with the outer barrel and the inner barrel, the inner barrel is suspended in the outer barrel through repulsive force between the magnets, and a detection part used for monitoring interval between the magnets is arranged between the same. Whether clothes in the inner barrel are too many or not is determined according to the interval of the magnets, and a detection method is simple and high in reliability.
Description
Technical field
The present invention relates to washing machine technology field, particularly relate to a kind of washing machine and control method thereof.
Background technology
General washing machine all can have certain restriction for the weight of washings, if once washing laundry amounts is larger, then probably do not wash clean, needs relaunder, the clothing effect of rotary drum washing machine once washing 3-4 kilogram of such as 6 kilograms is best, if but put into clothing clean result under identical wash conditions of 6 kilograms in inner core, not as the clothing effect of washing 3-4 kilogram, and the clothing put into is overweight with the water entered, the contact between washing machine internal assembly can be caused to produce friction, affect the normal work of washing machine, and user generally can not carry out clothing to weigh to select rational washing clothes weight before each washing.
Summary of the invention
The invention provides a kind of washing machine and control method thereof, whether the amount that effectively can detect clothing in inner tank of washing machine and/or water is too much, to avoid the friction between each parts of washing machine internal.
A kind of washing machine, comprise inner core and urceolus, also comprise two magnets be equipped with described urceolus and inner core, described inner core is suspended in urceolus by the repulsion between two magnets, is provided with the detection part for monitoring the two spacer conditions between two magnets.
The present invention also provides a kind of control method for washing machine, and the spacer conditions of two magnets be equipped with urceolus and inner core by detection part monitoring, wherein, inner core is suspended in urceolus by the repulsion between two magnets.
Washing machine provided by the invention, by the repulsion between two magnets, inner core is suspended, the spacer conditions of two magnets is monitored by detection part, according to the clothing in the contact situation determination inner core of two magnets and/or the water yield whether too much, to avoid the friction between each parts of washing machine internal, detection method is simple, and reliability is strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of washing machine provided by the invention.
Fig. 2 is the structural representation of washing machine the second embodiment provided by the invention.
Detailed description of the invention
With reference to the accompanying drawings embodiments of the invention are described.The element described in an accompanying drawing of the present invention or a kind of embodiment and feature can combine with the element shown in one or more other accompanying drawings or embodiment and feature.It should be noted that to know object, accompanying drawing and eliminate expression and the description of unrelated to the invention, parts known to persons of ordinary skill in the art and process in illustrating.
Embodiment one
As shown in Figure 1, a kind of washing machine, comprises inner core 102 and urceolus 101, also comprises two magnets be equipped with urceolus 101 and inner core 102, inner core 102 is suspended in urceolus 101 by the repulsion between two magnets, is provided with the detection part for monitoring the two spacer conditions between two magnets.
Inner core 102 is suspended in urceolus 101 by the repulsion between two magnets, makes inner core 102 almost not have Mechanical Contact with urceolus 101 when rotated, thus effectively reduces friction, reduces noise.
In addition, in inner core 102, clothing and water are housed in washing process, gravitate inner core 102 sinks, the magnet be equipped with inner core 102 also will sink, if the clothing loaded in inner core 102 is more, spacing then between two magnets is less, can cause two magnet contact time serious, the spacer conditions of monitoring two magnets by detection part then can judge clothing in inner core 102 and/or the water yield whether too much.
In addition, if put into too much clothing in inner core 102, two magnet contact can be caused, two magnets when inner core 102 rotates are because contact can produce larger friction, produce high heat and make magnet demagnetization, also increase energy consumption simultaneously, whether contact both being judged by the spacing detecting two magnets, if contact, carries out alarm, two magnet contact can be avoided to a certain extent, thus reduce friction further, reduce noise.
The connecting axle 103 for supporting inner core 102 is provided with bottom inner core 102, connecting axle 103 is hollow structure, one end of connecting axle 103 is fixedly connected with the center of circle bottom inner core 102, the other end is through urceolus 101, spacing guarantee inner core 102, for supporting inner core 102, is on the other hand carried out to inner core 102 concentric with urceolus 101 in connecting axle 103 1 aspect.
The other end of connecting axle 103 is through connecting magnetic bearing bottom urceolus 101, and two magnets are arranged in magnetic bearing.
Inner core 102, urceolus 1101 and magnetic bearing are coaxial setting.
Magnet comprises: the first permanent magnet 104, second permanent magnet 105, and magnetic bearing comprises the outer shaft 106 be arranged on below urceolus 101; First permanent magnet 104 is arranged on bottom outer shaft 106, and the second permanent magnet 105 is fixed on connecting axle 103; Second permanent magnet 105 relies on and repulsion between the first permanent magnet 104 is suspended on the first permanent magnet 104, and the second permanent magnet 105 drives inner core 102 to be suspended in urceolus 101 through connecting axle 103.
In addition, magnetic bearing also comprises integrated internal axle sleeve 107, second permanent magnet 105 with connecting axle 103 and is fixed in internal axle sleeve 107.
Outer shaft 106 upper end open, openend is connected with urceolus 101 bottom external stability, and outer shaft 106 inner bottom part arranges the first permanent magnet 104, internal axle sleeve 107 lower ending opening, connecting axle 3 is one-body molded with internal axle sleeve 107 through the center of internal axle sleeve 107 upper end, second permanent magnet 105 is fixed in internal axle sleeve 107, connecting axle 103 passes the center of the second permanent magnet 105 and is fixedly connected with the second permanent magnet 105, first permanent magnet 104 is identical with the polarity of the second permanent magnet 105 opposite face, according to homopolar-repulsion principle, repulsion is produced between the first permanent magnet 104 and the second permanent magnet 105, the second permanent magnet 105 is made to be suspended on the first permanent magnet 104, because the second permanent magnet 104 is fixedly connected with the connecting axle 103 on inner core 102, therefore the second permanent magnet 104 can drive inner core 102 to be suspended in urceolus 101.
As the optional embodiment of one, the first permanent magnet 104 and/or the second permanent magnet 105 are permanent-magnetic clamp.
Connecting axle 103 comprises hollow space, hollow space is provided with impeller shafts 108, one end of impeller shafts 108 is coaxially connected with impeller 109 through inner core 102 center of circle, the other end of impeller shafts 108 is connected outside motor 110 through the second permanent magnet 105 with outer shaft 106, motor 110 is for driving impeller 109 to rotate by impeller shafts 108.
The circumference of urceolus 101 is provided with primary coil, and inner core 102 correspondence is provided with secondary induction portion 120, primary coil when being energized and secondary induction portion produce magnetic force and drive inner core 102 to rotate; Primary coil comprises the first primary coil and second primary coil of separation, first primary coil and the second primary coil are arranged at outer tube wall with the axisymmetrical of urceolus 101, secondary induction portion is the annular slab that permeability magnetic material is made, primary coil when being energized and secondary induction portion produce magnetic force and drive inner cylinder rotating.
As the optional embodiment of one, the detection part of the washing machine provided in this enforcement comprises: for stoping described two magnet contact and be oppositely arranged two limiting components between two magnets, and performs the trigger switch 113 of corresponding operating for triggering corresponding actuating unit according to the contact situation of two limiting components.
Particularly, two groups of limiting components comprise the first blowout patche 111 and the second blowout patche 112, and wherein the first blowout patche 111 is fitted with the cross section of connecting axle 103, and impeller shafts 108 is through the ring heart of the first blowout patche 111, and the first blowout patche 111 can slide on impeller shafts 108 with connecting axle 103; Second blowout patche 112 to be fixed on the first permanent magnet 104 and corresponding with the first blowout patche 111, and the first blowout patche 111 and the second blowout patche 112 all adopt rigid material to make.
First blowout patche 111 is connected with trigger switch 113 by lead-in wire with the second blowout patche 112, when inner core 102 drops to the limit, the first blowout patche 111 contacts with the second blowout patche 112, first blowout patche 111, second blowout patche 112, trigger switch 113 and corresponding actuating unit form a closed loop, trigger corresponding actuating unit and perform corresponding operating; In addition, due to the second blowout patche 112 area much smaller than the first permanent magnet 104, first blowout patche 111 and the second blowout patche 112 contact area less, during contact friction less, larger energy consumption can not be produced.
Corresponding actuating unit includes but not limited to warning device, alarm is carried out when detection part monitors trigger alarm device when the first blowout patche contacts with the second blowout patche, too much with the clothing placed in reminding user inner core 102, if user reduces the laundry amounts put into, the first blowout patche can be made to be separated with the second blowout patche, thus can warning to be eliminated.
The washing machine that the present embodiment provides, inner core relies on the repulsion between two magnets to suspend, the spacing of two magnets is monitored by detection part, detection part is two limiting components and trigger switch, can determine that the clothing in inner core is too much when two limiting component contacts, structure is simple, and reliability is high, alarm is carried out, the problem such as two magnet demagnetizations, energy consumption increase that two magnet contact too much caused because of inner core clothing can be avoided to a certain extent to bring when clothing is too much.
Embodiment two
As shown in Figure 2, the washing machine that the present embodiment provides comprises inner core 202, urceolus 201, also comprise two magnets be equipped with urceolus 201 and inner core 202, inner core 202 is suspended in urceolus by the repulsion between two magnets, is provided with the detection part for monitoring the two contact situation between two magnets.
The structure of the washing machine that the present embodiment provides is roughly the same with embodiment one, detection part is connected with warning device, the connecting axle 203 of the hollow for supporting inner core 202 is provided with bottom inner core 202, the hollow space of connecting axle 203 is provided with impeller shafts 208, one end of impeller shafts 208 is through being coaxially connected with impeller 209 bottom inner core 202, and the other end of impeller shafts 208 connects motor 210; Two magnets are arranged in magnetic bearing, and connecting axle 203 is through being connected with magnetic bearing bottom urceolus 201; Magnet comprises: the first permanent magnet 204 and the second permanent magnet 205, and magnetic bearing comprises the outer shaft 206 be arranged on below urceolus 201; First permanent magnet 204 is arranged on bottom outer shaft 206, and the second permanent magnet 205 is fixed on connecting axle; Second permanent magnet 205 relies on the repulsion between itself and the first permanent magnet 204 to be suspended on 204 of the first permanent magnet, and the second permanent magnet 205 drives inner core 202 to be suspended in urceolus 201 through connecting axle 203; First permanent magnet 204 and/or the second permanent magnet 205 are permanent-magnetic clamp, and magnetic bearing also comprises: be fixed in internal axle sleeve 207 with connecting axle 203 integrated internal axle sleeve 207, second permanent magnet.
Impeller 209 is driven by motor 210 and rotates, and inner core 202 drives rotation by the magnetic force in primary coil and secondary induction portion.
Difference is, the detection part of the washing machine that the present embodiment provides comprises infrared transmitter 214 and infrared remote receiver 215, infrared transmitter 214 and infrared remote receiver 215 are oppositely arranged, particularly, infrared transmitter 214 and infrared remote receiver 215 opposing insert are in outer shaft and between two magnets.
As shown in Figure 2, when not holding clothing in inner core 202, the repulsion between the first permanent magnet 204 and the second permanent magnet 205 is relied on to be suspended in urceolus 101, infrared transmitter 214 sends infrared ray in real time, infrared remote receiver 215 receives the infrared ray sent, when inner core 202 loads clothing, inner core 202 starts to sink, when sinking to the infrared ray that can stop that infrared transmitter 214 sends, namely the spacing of the first permanent magnet 204 and the second permanent magnet 205 is less than or equal to threshold value, infrared remote receiver 215 does not now receive infrared ray, then trigger alarm device is reported to the police, with reminding user, if now reduce the clothing in inner core 202, when inner core 202 is increased over threshold value, infrared remote receiver 215 receives infrared ray, then stop alarm.
Threshold value is determined according to the capacity of washing machine reality, and such as capacity is the washing machine of 6 kilograms, and threshold value can be 1cm.
Detection part in the present invention, except above-mentioned trigger switch and limiting component, infrared remote receiver and infrared remote receiver, can also be position sensor, displacement transducer etc., the present invention limit this.
The washing machine that the present embodiment provides, inner core relies on the repulsion between two magnets to suspend, the spacing of two magnets is monitored by detection part, detection part is infrared transmitter and infrared remote receiver, structure is simple, accuracy is high, carries out alarm when clothing is too much, the problem such as two magnet demagnetizations, energy consumption increase that two magnet contact too much caused because of inner core clothing can be avoided to a certain extent to bring.
Embodiment three
The present embodiment provides a kind of control method for washing machine, comprising: the spacer conditions of two magnets be equipped with urceolus and inner core by detection part monitoring, wherein, inner core is suspended in urceolus by the repulsion between two magnets.
As the optional embodiment of one, the spacer conditions of two magnets that monitoring is equipped with urceolus and inner core, comprising:
Detect two limiting components be relatively arranged between described two magnets whether to contact, according to the contact situation of described two magnets of testing result monitoring.
Particularly, two limiting components comprise the first blowout patche and the second blowout patche, and wherein fit in the cross section of the first blowout patche and connecting axle, and impeller shafts is through the ring heart of the first blowout patche, and the first blowout patche can slide on impeller shafts with connecting axle; Second blowout patche to be fixed on the first permanent magnet and corresponding with the first blowout patche, and the first blowout patche and the second blowout patche all adopt rigid material to make.
First blowout patche is connected with trigger switch by lead-in wire with the second blowout patche, when inner core drops to the limit, the first blowout patche contacts with the second blowout patche, first blowout patche, the second blowout patche, trigger switch and corresponding actuating unit form a closed loop, trigger corresponding actuating unit and perform corresponding operation; In addition, because the area of the second blowout patche is much smaller than the first permanent magnet, the first blowout patche and the second blowout patche contact area less, during contact friction less, larger energy consumption can not be produced.
As the optional embodiment of one, the spacer conditions of two magnets that monitoring is equipped with urceolus and inner core, comprising:
Infrared transmitter and infrared remote receiver is relatively set with, by the contact situation of described two magnets of reception condition monitoring of described infrared remote receiver between described two magnets.
Particularly, when not holding clothing in inner core, the repulsion between the first permanent magnet and the second permanent magnet is relied on to be suspended in urceolus, infrared transmitter sends infrared ray in real time, infrared remote receiver receives the infrared ray sent, when inner core loads clothing, inner core starts to sink, when sinking to the infrared ray that can stop that infrared transmitter sends, namely the spacing of the first permanent magnet and the second permanent magnet is less than or equal to threshold value, infrared remote receiver does not now receive infrared ray, then trigger alarm device is reported to the police, with reminding user, if now reduce the clothing in inner core, when inner core is increased over threshold value, infrared remote receiver receives infrared ray, then stop alarm.
Threshold value is determined according to the capacity of washing machine.
In addition, comprise according to the contact situation of described two magnets of testing result monitoring: carry out alarm when testing result represents that the spacing of described two magnets is less than or equal to threshold value.
The control method for washing machine that the present embodiment provides, by the repulsion between two magnets, inner core is suspended, the contact situation of two magnets is monitored by detection part, when determining to show that whether the clothing in inner core is too much according to the contact situation of two magnets, detection method is simple, and reliability is strong, alarm is carried out when clothing is too much, can avoid the problems such as two magnet contact too much caused because of inner core clothing to a certain extent, detection method is simple, and reliability is strong.
Although described the present invention and advantage thereof in detail, be to be understood that and can have carried out various change when not exceeding the spirit and scope of the present invention limited by appended claim, substituting and conversion.And the scope of the application is not limited only to the specific embodiment of process, equipment, means, method and step described by description.One of ordinary skilled in the art will readily appreciate that from disclosure of the present invention, can use perform the function substantially identical with corresponding embodiment described herein or obtain and its substantially identical result, existing and that will be developed in the future process, equipment, means, method or step according to the present invention.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (11)
1. a washing machine, comprise inner core and urceolus, it is characterized in that, also comprise two magnets be equipped with described urceolus and inner core, described inner core is suspended in urceolus by the repulsion between two magnets, is provided with the detection part for monitoring the two spacer conditions between two magnets.
2. washing machine according to claim 1, it is characterized in that, described detection part comprises: for stoping described two magnet contact and be oppositely arranged two limiting components between described two magnets, and performs the trigger switch of corresponding operating for triggering corresponding actuating unit according to the contact situation of two limiting components.
3. washing machine according to claim 1, is characterized in that, described detection part comprises infrared transmitter between described two magnets and infrared remote receiver, and described infrared transmitter and infrared remote receiver are oppositely arranged.
4. according to the arbitrary described washing machine of claim 1-3, it is characterized in that, also comprise the warning device be connected with described detection part, described detection part is reported to the police specifically for triggering described warning device when monitoring the spacing between two magnets and being less than or equal to threshold value.
5. washing machine according to claim 3, is characterized in that, described magnet comprises the first permanent magnet and the second permanent magnet that are oppositely arranged, is arranged with outer shaft outside described first permanent magnet and the second permanent magnet; Described infrared transmitter and described infrared remote receiver opposing insert are in described outer shaft and between described two magnets.
6. washing machine according to claim 5, it is characterized in that, the connecting axle for supporting described inner core is provided with bottom described inner core, described second permanent magnet is fixed on described connecting axle, described second permanent magnet relies on the repulsion between itself and the first permanent magnet to be suspended on the first permanent magnet, and described second permanent magnet drives described inner core to be suspended in described urceolus through described connecting axle.
7. washing machine according to claim 1, it is characterized in that, circumference along described urceolus is provided with primary coil, and described inner core correspondence is provided with secondary induction portion, described primary coil when being energized and described secondary induction portion produce magnetic force and drive inner cylinder rotating.
8. a control method for washing machine, is characterized in that, the spacer conditions of two magnets be equipped with urceolus and inner core by detection part monitoring, wherein, inner core is suspended in urceolus by the repulsion between two magnets.
9. control method for washing machine according to claim 8, is characterized in that, the spacer conditions of two magnets that monitoring is equipped with urceolus and inner core, comprising:
Detect two limiting components be relatively arranged between described two magnets whether to contact, according to the spacer conditions of described two magnets of testing result monitoring.
10. control method for washing machine according to claim 8, is characterized in that, the spacer conditions of two magnets that monitoring is equipped with urceolus and inner core, comprising:
Infrared transmitter and infrared remote receiver is relatively set with, by the spacer conditions of described two magnets of reception condition monitoring of described infrared remote receiver between described two magnets.
11. control method for washing machine according to claim 8, is characterized in that, described method also comprises: carry out alarm when monitoring result represents that the spacing of described two magnets is less than or equal to threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329207.9A CN104342883B (en) | 2013-07-31 | 2013-07-31 | Washing machine and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329207.9A CN104342883B (en) | 2013-07-31 | 2013-07-31 | Washing machine and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104342883A true CN104342883A (en) | 2015-02-11 |
| CN104342883B CN104342883B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310329207.9A Active CN104342883B (en) | 2013-07-31 | 2013-07-31 | Washing machine and its control method |
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| CN (1) | CN104342883B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088612A (en) * | 2015-08-05 | 2015-11-25 | 无锡飞翎电子有限公司 | Pulsator washing machine |
| CN112064297A (en) * | 2019-05-23 | 2020-12-11 | 青岛海尔洗衣机有限公司 | Clothes treating apparatus |
| CN114071920A (en) * | 2021-11-16 | 2022-02-18 | 南通茂业电子科技有限公司 | Electric permanent magnetic chuck controller assembly with demagnetization early warning prompt |
| CN114096090A (en) * | 2021-11-17 | 2022-02-25 | 南通茂业电子科技有限公司 | Anti-collision type electric permanent magnetic chuck controller |
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| ITMI942489A1 (en) * | 1994-12-09 | 1996-06-09 | Whirlpool Italia | MAGNETIC SUSPENSION WASHING MACHINE WITH DIRECT MOTORIZATION |
| CN1734006A (en) * | 2004-08-03 | 2006-02-15 | 海尔集团公司 | Magnetic suspension type vibration rotating rotary drum washing machine |
| JP2007000437A (en) * | 2005-06-24 | 2007-01-11 | Hitachi Appliances Inc | Washing machine |
| CN101381946A (en) * | 2007-09-09 | 2009-03-11 | 唐红元 | Magnetic suspension drum-type washing machine |
| CN201944118U (en) * | 2011-01-21 | 2011-08-24 | 张安之 | Magnetic levitation bearing |
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| ITMI942489A1 (en) * | 1994-12-09 | 1996-06-09 | Whirlpool Italia | MAGNETIC SUSPENSION WASHING MACHINE WITH DIRECT MOTORIZATION |
| CN1734006A (en) * | 2004-08-03 | 2006-02-15 | 海尔集团公司 | Magnetic suspension type vibration rotating rotary drum washing machine |
| JP2007000437A (en) * | 2005-06-24 | 2007-01-11 | Hitachi Appliances Inc | Washing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088612A (en) * | 2015-08-05 | 2015-11-25 | 无锡飞翎电子有限公司 | Pulsator washing machine |
| CN105088612B (en) * | 2015-08-05 | 2018-03-16 | 无锡飞翎电子有限公司 | Rotary drum washing machine |
| CN112064297A (en) * | 2019-05-23 | 2020-12-11 | 青岛海尔洗衣机有限公司 | Clothes treating apparatus |
| CN112064297B (en) * | 2019-05-23 | 2023-05-12 | 青岛海尔洗衣机有限公司 | Clothes treating apparatus |
| CN114071920A (en) * | 2021-11-16 | 2022-02-18 | 南通茂业电子科技有限公司 | Electric permanent magnetic chuck controller assembly with demagnetization early warning prompt |
| CN114071920B (en) * | 2021-11-16 | 2023-03-21 | 南通茂业电子科技有限公司 | Electric permanent magnetic chuck controller assembly with demagnetization early warning prompt |
| CN114096090A (en) * | 2021-11-17 | 2022-02-25 | 南通茂业电子科技有限公司 | Anti-collision type electric permanent magnetic chuck controller |
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| Publication number | Publication date |
|---|---|
| CN104342883B (en) | 2017-12-26 |
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