CN105862315A - Washing machine - Google Patents
Washing machine Download PDFInfo
- Publication number
- CN105862315A CN105862315A CN201610363111.8A CN201610363111A CN105862315A CN 105862315 A CN105862315 A CN 105862315A CN 201610363111 A CN201610363111 A CN 201610363111A CN 105862315 A CN105862315 A CN 105862315A
- Authority
- CN
- China
- Prior art keywords
- door body
- switching circuit
- washing machine
- electric machine
- phase electric
- 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
Links
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
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/08—Driving arrangements for the impeller
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a washing machine which comprises a tank body, a door body, a three-phase motor, a switching circuit, a rotation speed detecting device, a door body locking device and a controller, wherein the door body is rotatably arranged on the tank body; the three-phase motor is arranged in the tank body; the switching circuit can be switched between a driving state and a braking state; when the switching circuit is in the driving state, the three-phase motor rotates; when the switching circuit is positioned in the braking state, the three-phase motor is in short circuit, so that the three-phase motor is braked; the rotation speed detection device is used for detecting the rotation speed of the three-phase motor and is arranged in the tank body; the door body locking device is arranged on at least one of the door body and the tank body; the controller communicates with the switching circuit, the rotation speed detection device and the door body locking device so as to control the door body locking device to lock the door body when the switching circuit in a driving state and a detection value of the rotation speed detecting device is greater than a preset value. The washing machine disclosed by the invention has the advantages of safety and reliability, less noises, low cost, high production efficiency and the like.
Description
Technical field
The present invention relates to electrical equipment manufacturing technology field, in particular to a kind of washing machine.
Background technology
Rotary drum washing machine in correlation technique, by pulling clutch brake ribbon to be braked, but this mode not only structure
Complicated, relatively costly, and when braking, easily produce mechanicalness noise, affect comfortableness when user uses.
Summary of the invention
It is contemplated that solve one of above-mentioned technical problem of the prior art the most to a certain extent.To this end, the present invention carries
Go out a kind of washing machine, this washing machine have safe and reliable, noise is little, low cost, production efficiency advantages of higher.
For achieving the above object, proposing a kind of washing machine according to embodiments of the invention, described washing machine includes: casing；Door
Body, described door body is located on described casing turningly；Three phase electric machine, described three phase electric machine is located in described casing；Driving
Dynamic switchable switching circuit between state and on-position, described switching circuit electrically connects with described three phase electric machine, described in cut
Changing and power to described three phase electric machine when circuit is in described driving condition so that it rotates, described switching circuit is in described braking
By three phase electric machine described in short circuit so that it is braked during state；For detecting the speed detector of described three phase electric machine rotating speed,
Described speed detector is located in described casing；Door body locking system, described door body locking system is located at described door body and institute
State at least one in casing；Controller, described controller and described switching circuit, described speed detector and described
Door body locking system communication is with when described switching circuit is in described driving condition and the detected value of described speed detector is big
Door body described in described door body locking system locking is all controlled when predetermined value.
Washing machine according to embodiments of the present invention, have safe and reliable, noise is little, low cost, production efficiency advantages of higher.
It addition, washing machine according to the above embodiment of the present invention can also have a following additional technical characteristic:
According to one embodiment of present invention, described three phase electric machine is DDM motor.
According to one embodiment of present invention, described switching circuit is IPM power model.
According to one embodiment of present invention, described switching circuit includes: three the first diodes, three described one or two poles
Guan Junyu AC power is arranged in parallel；Three the second diodes, three described second diodes respectively the described with three the 1st
Level pipe series connection and the three-phase of described three phase electric machine are connected to described first diode that is serially connected and described second diode
Between；Three first switches, three described first switch first diodes in parallels described with three respectively；Three second switches,
Three described second switch second diodes in parallels described with three respectively, wherein, are in described braking in described switching circuit
During state, three described first switch off and three described second switch conductings；Or three described first switch conductions and three
Individual described second switch disconnects.
According to one embodiment of present invention, described speed detector is by detecting the magnetic field detection that described three phase electric machine produces
Its rotating speed.
According to one embodiment of present invention, described speed detector is Hall element.
According to one embodiment of present invention, described door body locking system is electromagnetic locking device.
According to one embodiment of present invention, described door body locking system includes: ferromagnetic unit, and described ferromagnetic unit is located at described door
On body；Electromagnet, described electromagnet be located on described casing and with described controller communication.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of washing machine according to embodiments of the present invention, and wherein switching circuit is in on-position.
Fig. 2 is the partial structurtes schematic diagram of washing machine according to embodiments of the present invention.
Reference: three phase electric machine 100, switching circuit the 200, first diode the 210, second diode 220, first open
Pass 230, second switch 240, clutch 300.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings washing machine according to embodiments of the present invention is described.
As depicted in figs. 1 and 2, washing machine according to embodiments of the present invention includes casing, door body, three phase electric machine 100, cuts
Change circuit 200, speed detector, door body locking system and controller.
Described door body is located on described casing turningly.Three phase electric machine 100 is located in described casing.Switching circuit 200
Between driving condition and on-position changeable, switching circuit 200 electrically connects with three phase electric machine 100, switching circuit 200
Powering to three phase electric machine 100 when being in described driving condition so that it rotates, switching circuit 200 is in described on-position
Time by short circuit three phase electric machine 100 so that its braking.Described speed detector is used for detecting three phase electric machine 100 rotating speed,
Described speed detector is located in described casing.Described door body locking system is located in described door body and described casing
On at least one.Described controller and switching circuit 200, described speed detector and described door body locking system communication
With when switching circuit 200 is in described driving condition and described speed detector detected value more than predetermined value time equal
Control door body described in described door body locking system locking.It will be appreciated herein that " predetermined value " refers to the safety of rotating speed
Value, those skilled in the art can according to calculate or simple experiment draw this numerical value and should " predetermined value " can also
It is 0.
Washing machine according to embodiments of the present invention, by arranging switching circuit 200, is possible not only to utilize switching circuit 200 to three
Phase motor 100 is driven, and can be braked three phase electric machine 100 by short circuit three phase electric machine 100.So exist
When switching circuit 200 switches to described on-position, three phase electric machine 100 generator operation can be made, load as three phase electric machine 100
Armature winding, armature supply produce in the inside of three phase electric machine 100 and hinder the magnetic field that rotates of three phase electric machine 100, to three
Phase motor 100 produces braking effect.Thus can realize the braking effect to washing machine.
Further, owing to three phase electric machine 100 realizes braking by short circuit, compare and correlation technique uses brake ribbon carry out slowing down
Mode, can avoid the fricative noise of brake ribbon and clutch dehydrating shaft, thus improve comfortableness when user uses,
And brake ribbon and the tractor for driving brake band can be saved, on the one hand can carry so that the assembling of described washing machine
The production efficiency of high described washing machine, on the other hand can reduce the cost of described washing machine.
Additionally, by arranging described speed detector, described door body locking system and described controller, make described control
Device and switching circuit 200, described speed detector and described door body locking system communication.So can be in switching circuit
200 when being in described driving condition and the detected value of described speed detector more than predetermined value time all control described door body
Door body described in locking system locking.Thus it is possible not only to when described washing of drum type washing machine or dehydration utilize described door body locking
Door body described in device locking, affects user use to prevent three phase electric machine 100 user during rotating from opening door closure
Time security, and described in user operation washing machine suspend or out of service time, it is possible to use described Rotating speed measring
The rotating speed of device detection three phase electric machine 100, keeps described when the detected value of described speed detector is more than predetermined value
The locking of door body, after three phase electric machine 100 rotating speed is down in safe range, controls described door body by described controller and locks
Described door body is unlocked to allow user to open described door body by locking apparatus.Will not horse after braking due to three phase electric machine 100
On stop operating, so can avoid causing security incident further, improve security when user uses.
Therefore, washing machine according to embodiments of the present invention have safe and reliable, that noise is little, low cost, production efficiency are high etc. is excellent
Point.
Below with reference to the accompanying drawings washing machine according to the specific embodiment of the invention is described.
In some specific embodiments of the present invention, as depicted in figs. 1 and 2, washing machine according to embodiments of the present invention includes
Casing, door body, three phase electric machine 100, switching circuit 200, speed detector, door body locking system and controller.
Three phase electric machine 100 is DDM motor.So can realize the direct driving to washing tub or impeller, consequently facilitating laundry
The braking of machine and operation.
Specifically, as in figure 2 it is shown, described washing machine also includes clutch 300, three phase electric machine 100 is by clutch 300
It is in transmission connection with the impeller of the washing tub of described washing machine or described washing machine.
Alternatively, as it is shown in figure 1, switching circuit 200 is IPM power model.So can be to three phase electric machine 100
It is controlled.
Specifically, as it is shown in figure 1, switching circuit 200 include 210, three the second diodes 220 of three the first diodes,
Three first switches 230 and three second switches 240.Three the first diodes 210 are all arranged in parallel with AC power.Three
Individual second diode 220 is connected with three the first diodes 210 respectively and the three-phase of three phase electric machine 100 is connected to mutually
Between first diode 210 and second diode 220 of series connection.Three first switch 230 respectively with three the first diodes
210 is in parallel.Three second switches 240 are in parallel with three the second diodes 220 respectively.Wherein, at switching circuit 200
When described on-position, the disconnection of three first switches 230 and three second switches 240 turn on.Or three first switches 230
Conducting and three second switches 240 disconnect.So can be so that short circuit three phase electric machine 100, in order to three phase electric machine 100
It is braked.
It will be appreciated by those skilled in the art that, use IPM power model be powered to three phase electric machine 100 so that its
The method rotated is known for those of ordinary skills, is not detailed herein.
In a concrete example of the present invention, the magnetic field that described speed detector is produced by detection three phase electric machine 100 is examined
Survey its rotating speed.So can so that the rotating speed of three phase electric machine 100 is detected, and with by detection three phase electric machine 100
The electric current produced during short circuit is compared in the way of detection rotating speed, and the installation of described speed detector is easier, and detection is more
Add accurately.
Specifically, described speed detector is Hall element.So it is possible not only to be easy to the peace of described speed detector
Dress, and can ensure that the accuracy of Rotating speed measring value.
Alternatively, described door body locking system is electromagnetic locking device.So can be so that described door body be carried out locking.
Specifically, described door body locking system includes ferromagnetic unit and electromagnet.Described ferromagnetic unit is located in described door body.Described
Electromagnet be located on described casing and with described controller communication.So it is possible not only to be easy to described door body is carried out locking, and
And the structure of described door body can be simplified so that the setting of described door body locking system.
Other compositions of washing machine according to embodiments of the present invention and operation are the most all
Know, be not detailed herein.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ",
" outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " etc. instruction orientation or position relationship be based on
Orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or hint institute
The device that refers to or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
Bright restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For
For those of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or
Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, ability
The feature of the different embodiments described in this specification or example and different embodiment or example can be entered by the technical staff in territory
Row combines and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (8)
1. a washing machine, it is characterised in that including:
Casing；
Door body, described door body is located on described casing turningly；
Three phase electric machine, described three phase electric machine is located in described casing；
Switchable switching circuit between driving condition and on-position, described switching circuit electrically connects with described three phase electric machine,
Powering to described three phase electric machine when described switching circuit is in described driving condition so that it rotates, described switching circuit is in institute
Three phase electric machine described in short circuit is passed through so that it is braked when stating on-position；
For detecting the speed detector of described three phase electric machine rotating speed, described speed detector is located in described casing；
Door body locking system, described door body locking system is located at least one in described door body and described casing；
Controller, described controller and described switching circuit, described speed detector and described door body locking system communication with
When described switching circuit is in described driving condition and described speed detector detected value more than predetermined value time all control institute
State door body described in door body locking system locking.
Washing machine the most according to claim 1, it is characterised in that described three phase electric machine is DDM motor.
Washing machine the most according to claim 1, it is characterised in that described switching circuit is IPM power model.
Washing machine the most according to claim 3, it is characterised in that described switching circuit includes:
Three the first diodes, three described first diodes are all arranged in parallel with AC power；
Three the second diodes, three described second diode first triodes described with three respectively are connected and described three-phase electricity
The three-phase of machine is connected between described first diode and described second diode being serially connected；
Three first switches, three described first switch first diodes in parallels described with three respectively；
Three second switches, three described second switch second diodes in parallels described with three respectively,
Wherein, when described switching circuit is in described on-position, three described first switch off and three described second
Switch conduction；Or
Three described first switch conductions and three described second switches disconnect.
Washing machine the most according to claim 1, it is characterised in that described speed detector is by detecting described three-phase
Its rotating speed of magnetic field detection that motor produces.
Washing machine the most according to claim 5, it is characterised in that described speed detector is Hall element.
Washing machine the most according to claim 1, it is characterised in that described door body locking system is electromagnetic locking device.
Washing machine the most according to claim 7, it is characterised in that described door body locking system includes:
Ferromagnetic unit, described ferromagnetic unit is located in described door body；
Electromagnet, described electromagnet be located on described casing and with described controller communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363111.8A CN105862315B (en) | 2016-05-26 | 2016-05-26 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363111.8A CN105862315B (en) | 2016-05-26 | 2016-05-26 | Washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105862315A true CN105862315A (en) | 2016-08-17 |
| CN105862315B CN105862315B (en) | 2018-12-18 |
Family
ID=56642283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610363111.8A Active CN105862315B (en) | 2016-05-26 | 2016-05-26 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105862315B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637850A (en) * | 2016-12-26 | 2017-05-10 | 卢小平 | Electric rotating cover and cleaning equipment |
| CN110336491A (en) * | 2019-08-05 | 2019-10-15 | 南京康尼智控技术有限公司 | Cut off self-lock electric system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241657A (en) * | 1998-07-14 | 2000-01-19 | 松下电器产业株式会社 | Washing machine |
| CN1467326A (en) * | 2002-06-07 | 2004-01-14 | 松下电器产业株式会社 | Washing machine |
| CN101353854A (en) * | 2008-06-10 | 2009-01-28 | 南京乐金熊猫电器有限公司 | Motor drive circuit and washing machine provided with the same |
| CN101899764A (en) * | 2009-05-25 | 2010-12-01 | 株式会社东芝 | The motor drive of rinsing maching |
| CN205893702U (en) * | 2016-05-26 | 2017-01-18 | 无锡小天鹅股份有限公司 | Washing machine |
-
2016
- 2016-05-26 CN CN201610363111.8A patent/CN105862315B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241657A (en) * | 1998-07-14 | 2000-01-19 | 松下电器产业株式会社 | Washing machine |
| CN1467326A (en) * | 2002-06-07 | 2004-01-14 | 松下电器产业株式会社 | Washing machine |
| CN101353854A (en) * | 2008-06-10 | 2009-01-28 | 南京乐金熊猫电器有限公司 | Motor drive circuit and washing machine provided with the same |
| CN101899764A (en) * | 2009-05-25 | 2010-12-01 | 株式会社东芝 | The motor drive of rinsing maching |
| CN205893702U (en) * | 2016-05-26 | 2017-01-18 | 无锡小天鹅股份有限公司 | Washing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637850A (en) * | 2016-12-26 | 2017-05-10 | 卢小平 | Electric rotating cover and cleaning equipment |
| CN110336491A (en) * | 2019-08-05 | 2019-10-15 | 南京康尼智控技术有限公司 | Cut off self-lock electric system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105862315B (en) | 2018-12-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190802 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |
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| TR01 | Transfer of patent right |