CN105088693A - Washing machine and water inlet valve thereof - Google Patents
Washing machine and water inlet valve thereof Download PDFInfo
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- CN105088693A CN105088693A CN201410164271.0A CN201410164271A CN105088693A CN 105088693 A CN105088693 A CN 105088693A CN 201410164271 A CN201410164271 A CN 201410164271A CN 105088693 A CN105088693 A CN 105088693A
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- impeller
- washing machine
- hall element
- water intaking
- intaking valve
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Abstract
The invention discloses a washing machine and a water inlet valve thereof. The water inlet valve of the washing machine comprises a valve body, an impeller and a Hall element.Concretely speaking, a water inlet channel is arranged in the valve body. The impeller can be rotatably arranged in the water inlet channel and is driven to rotate by water flowing through the water inlet channel. Impeller blades of the impeller are provided with magnetic parts rotating with the impeller. The Hall element is arranged on the outer wall of the valve body. The Hall element and the magnetic parts are opposite to each other and used for detecting rotation turns of the impeller. The washing machine and the water inlet valve thereof have following beneficial effects: according to the water inlet valve of the washing machine, the Hall element is separated from water and the impeller of the water inlet channel so that abrasion of the Hall element during rotation of the impeller is avoided; the Hall element is prevented against erosion of water flow; moreover, influence of environmental changes upon detection accuracy of water flow is reduced; detection accuracy of water flow is improved; and service lifetime of the water inlet valve is prolonged.
Description
Technical field
The present invention relates to field of household appliances, particularly a kind of washing machine water intaking valve and there is the washing machine of this water intaking valve.
Background technology
Along with the development of washing machine industry, particularly country is to the progressively raising of household electric appliance energy consumption requirement, has higher requirement to washing machine water yield accuracy of detection.Generally at present improve water yield accuracy of detection by sensor accuracy of flooding.But level sensor precision comparatively large (as rubber diaphragm etc.) affected by environment, is difficult to improve accuracy of detection further again.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, the object of first aspect present invention is the water intaking valve proposing a kind of washing machine, is provided with by the impeller of Water flow driving rotary in this water intaking valve, and coordinates detection water intake valve flow by Hall element with the magnetic part of wheel rotation.
In addition, the object of second aspect present invention is to propose a kind of washing machine with this water intaking valve.
The water intaking valve of the washing machine of embodiment according to a first aspect of the present invention, comprising: valve body, impeller, Hall element.Specifically, in described valve body, there is intake tunnel; Described impeller is located in described intake tunnel rotationally, and described impeller is rotated by the water-driven flowing through described intake tunnel, and the impeller blade of described impeller is provided with the magnetic part with described wheel rotation; Described Hall element is located on the outer wall of described valve body, and described Hall element and described magnetic part are relative to rotating the number of turns for what detect described impeller.
According to the water intaking valve of the washing machine of the embodiment of the present invention, the magnetic part rotated with impeller is provided with by the impeller of Water flow driving rotary, and valve body be provided with can magnetic part near time sense the Hall element of magnetic part, thus wheel rotation number of turns when current flow through can be detected, reach the object detected through the water flow of water intaking valve.Thus, the water in Hall element and intake tunnel and impeller separate, thus avoid the wearing and tearing to Hall element in wheel rotation process, but also can avoid water erosion Hall element.And, reduce the impact of environmental change on discharge accuracy of detection, improve the accuracy of detection of discharge, add the service life of water intaking valve.
In addition, the water intaking valve of washing machine according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to one embodiment of present invention, the axis being parallel of described impeller is in the bearing of trend of described intake tunnel, and the impeller blade of described impeller favours the axis of described impeller.Thus, be convenient to current drives impeller and rotate, thus improve the precision that this water intaking valve detects discharge further.
According to one embodiment of present invention, described magnetic part is be located at the outer rim of described impeller blade and two of the axisymmetrical of relatively described impeller layout.Thus, make magnetic part with in vane rotary process, the changes of magnetic field of magnetic part in Hall element position is comparatively large, thus makes Hall element can sense magnetic part accurately, thus improves the precision of testing result.In addition, in wheel rotation process successively, Hall element will detect the change in twice magnetic field, thus improve the accuracy of detection of Hall element further.
According to one embodiment of present invention, described impeller blade is provided with the mounting groove closing on described impeller outer edge, and described magnetic part is located in described mounting groove.Thus, make the installation being convenient to magnetic part, improve installation effectiveness and the stability of magnetic part.
According to one embodiment of present invention, described Hall element is located in the plane at described impeller place.Thus, in wheel rotation process, the magnet be arranged on impeller will be nearest from impeller in precalculated position, so that the detection of Hall element, improve the accuracy of detection of this water intaking valve.
According to one embodiment of present invention, described valve body is provided with mounting bracket, and described Hall element is located on described mounting bracket, and described mounting bracket is provided with the control unit interface be connected with described Hall element.Thus, be convenient to stable being arranged on the outer surface of valve body of Hall element, thus improve the stability of Hall element, and, the controller that this water intaking valve connects washing machine can also be convenient to.
According to one embodiment of present invention, described impeller also comprises central connector and the outer rim connector around described central connector, described outer rim connector is toroidal, and described impeller blade along described outer rim connector radial direction extend and the two ends of described impeller blade be connected with outer rim connector with described central connector respectively.Thus, make the structure of impeller simple, be convenient to current drives impeller and rotate.
According to one embodiment of present invention, the circumference that comprises along described outer rim connector of described impeller blade is spaced apart multiple.Thus, be convenient to current drives impeller and rotate, and make impeller blade uniform force everywhere, make impeller stablize rotation, thus be convenient to this water intaking valve detection discharge, improve the precision that water intaking valve detects discharge.
According to one embodiment of present invention, described impeller integrated injection molding is formed.Thus, make blade wheel structure simple, be convenient to shaping, improve the shaping efficiency of impeller, and the blade wheel structure intensity be integrally formed is higher, under larger water impact, still can stablize effective operation, thus improve the service life of impeller, in addition, the Impeller Mass that injection moulding is formed is lighter, not only be convenient to current drives impeller and rotate volume, but also reduce the weight of water intaking valve, and reduce the manufacturing cost of water intaking valve.
The washing machine of embodiment according to a second aspect of the present invention, comprises the water intaking valve of the washing machine according to a first aspect of the present invention described in embodiment.
According to the washing machine of the embodiment of the present invention, the water intaking valve of the washing machine of embodiment is according to a first aspect of the present invention installed, thus, the inflow of washing machine can be detected accurately, thus be convenient to control washing machine, inflow accuracy of detection is high, thus washing machine can well be run, improve the stability that washing machine runs, and the simple long service life of this inlet valve structure, thus be convenient to the installation of washing machine and the detection of inflow, and reduce the maintenance cost of washing machine.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the water intaking valve of the washing machine of one embodiment of the invention.
The generalized section that Fig. 2 is valve body in the water intaking valve of the washing machine of one embodiment of the invention, impeller, magnetic part, Hall element coordinate.
Fig. 3 is the schematic diagram of the impeller of the water intaking valve of the washing machine of one embodiment of the invention.
Reference numeral: water intaking valve 100, valve body 1, impeller 2, Hall element 3, magnetic part 4, mounting bracket 5, intake tunnel 101, impeller blade 21, central connector 22, outer rim connector 23, the axis 201 of impeller 2, mounting groove 202.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the 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 it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe the water intaking valve 100 of the washing machine of first aspect present invention embodiment with reference to the accompanying drawings in detail.
As shown in Figure 1 to Figure 3, according to the water intaking valve 100 of the washing machine of the embodiment of the present invention, comprising: valve body 1, impeller 2, Hall element 3.
Specifically, have intake tunnel 101 in valve body 1, and the two ends of described intake tunnel 101 are respectively water inlet and delivery port, when water intaking valve 100 is opened, current enter intake tunnel 101 from water inlet, and flow out water intaking valve by delivery port.Impeller 2 is located in intake tunnel 101 rotationally, and impeller 2 is by flowing through the Water flow driving rotary of intake tunnel 101.The impeller blade 21 of impeller 2 is provided with the magnetic part 4 rotated with impeller 2, current through intake tunnel 101 time, the mobilization impeller 2 of current is rotated, and the magnetic part 4 be located on impeller 2 will rotate with impeller 2.Hall element 3 is located on the outer wall of valve body 1, Hall element 3 is relative with magnetic part 4, magnetic part 4 near Hall element 3 time, Hall element 3 can sense magnetic part 4, in other words, magnetic part 4 is with in impeller 2 rotation process, and magnetic part 4 will change in the magnetic field intensity of Hall element 4 position, thus makes Hall element 3 can sense magnetic part 4.Sense that the number of times of magnetic part 4 can judge the rotation number of turns of impeller 2 according to the quantity of magnetic part 4 on impeller 2 and Hall element 3.A magnetic part 4 rotates one week with impeller 2, Hall element 3 will sense magnetic part 4 once (certainly, when having multiple magnetic part 4, impeller 2 rotates one week, Hall element 3 can sense that magnetic part is repeatedly), thus the number of times of the magnetic part 4 sensed by Hall element judges the rotation situation of impeller 2.Because the rotating cycle of water flow to impeller 2 is directly proportional, the number of turns can be rotated according to impeller 2 and draw the discharge flowing through water intaking valve.
According to the water intaking valve of the washing machine of the embodiment of the present invention, the magnetic part 4 rotated with impeller is provided with by the impeller 2 of Water flow driving rotary, and the outer wall of valve body 1 is provided with to coordinate with described magnetic part 4 and detects the Hall element 3 that impeller 2 rotates the number of turns, then rotate by impeller 2 inflow that the number of turns judges water intaking valve 100, reach the object of the inflow detecting water intaking valve 100.Thus, Hall element 3 separates with the water in intake tunnel 101 and impeller 2, thus avoids the wearing and tearing to Hall element 3 in wheel rotation process, but also can avoid water erosion Hall element.And, reduce the impact of environmental change on discharge accuracy of detection, improve the accuracy of detection of discharge, add the service life of water intaking valve 100.
As shown in Figures 2 and 3, in some embodiments of the invention, the axis 201 of impeller 2 is parallel to the bearing of trend direction of vertical paper (namely as shown in Figure 2) of intake tunnel 101, and the impeller blade 21 of impeller 2 favours the axis of impeller 2, in other words, impeller blade 21 favours water (flow) direction.When current are by impeller 2, because the flow direction of current is vertical with impeller 2, and the flow impellers sheet 21 of current is certain angle with water (flow) direction, make current on impeller blade 2, form the component of the tangential direction along impeller 2, thus drives impeller 2 is rotated.Thus, be convenient to current drives impeller 2 and rotate, thus improve the precision that this water intaking valve detects discharge further.
Wherein, the angle between the axis 201 of impeller blade 21 and impeller 2 can in the scope of 10 ° to 60 °, thus is convenient to current drives impeller 2 and rotates.Certainly, the angle between the axis 201 that one of ordinary skill in the art will appreciate that impeller blade 21 and impeller 2 can also be other angle between 0 ° to 90 °, and only needing current to drive can impeller 2 rotate.
In addition, can also arrange the axis predetermined oblique angle of impeller 2, so also can realize the object that current drives impeller 2 rotates, this is understandable for those of ordinary skill in the art.
Further, magnetic part 4 is located at the outer rim of the impeller blade 21 of impeller 2.Thus, make magnetic part 4 with in impeller 2 rotary course, magnetic part 4 is when Hall element 3, and between magnetic part 4 and Hall element 3, spacing distance is minimum, thus the number of times that Hall element 3 senses magnetic part 4 can be detected accurately, thus improve the precision of testing result.
Certainly, also magnetic part 4 can be arranged on the optional position of departing from impeller 2 center, or the center of impeller 2 is arranged the strip shape magnetic part that the radial direction along impeller 2 extends, in addition, the present invention only need in magnetic part 4 rotation process, and the magnetic field intensity in magnetic part 4 pairs of precalculated positions can change, and other magnetic part 4 form of placing of the prior art also may be used for the present invention, for well known in the prior art, the present invention is not described in detail.
Preferably, magnetic part 4 is two of the axisymmetrical layout of relative impeller 2.In the process that impeller 2 rotates successively, Hall element will detect magnetic part 4 twice, thus improve the accuracy of detection of Hall element further.
What one of ordinary skill in the art will appreciate that is, magnetic part 4 can also be along spaced apart multiple in week of impeller 2, now, each magnetic part is when Hall element, Hall element 3 all can be made to sense magnetic part 4 once, rotate in the process of a circle at impeller 2, Hall element 3 detects that the number of times of magnetic part 4 is consistent with the quantity of magnetic part 4.
Advantageously, as shown in Figure 3, impeller blade 21 is provided with the mounting groove 202 of adjacent impeller 2 outer rim, and magnetic part 4 is located in mounting groove 202.Thus, make the installation being convenient to magnetic part 4, improve installation effectiveness and the stability of magnetic part 4.
In addition, by the mode such as bonding, buckle connection, bolt connection, magnetic part 4 can also be arranged on impeller 2.
Further, Hall element 3 is located in the plane at impeller 2 place.Thus, in impeller 2 rotation process, the magnet be arranged on impeller 2 will be nearest from impeller 2 in precalculated position, so that the detection of Hall element 3, improve the accuracy of detection of this water intaking valve 100.
As shown in Figure 1, in some embodiments of the invention, valve body 1 is provided with mounting bracket 5, and Hall element 3 is located on mounting bracket 5, and mounting bracket 5 is provided with the control unit interface be connected with Hall element 3.Thus, be convenient on the stable outer surface being arranged on valve body 1 of Hall element 3, thus improve the stability of Hall element 3, and, the controller 100 that this water intaking valve 100 connects washing machine can also be convenient to.
As shown in Figure 2, in some embodiments of the invention, impeller 2 also comprises central connector 22 and the outer rim connector 23 around central connector 22, outer rim connector 23 is toroidal, and impeller blade 21 along outer rim connector 23 radial direction extend and the two ends of impeller blade 21 be connected with outer rim connector 23 with central connector 22 respectively.Thus, make the structure of impeller 2 simple, be convenient to current drives impeller 2 and rotate.
Certainly, multiple impeller blade also directly can be adopted circumferentially to arrange formation impeller 2 in interval, or multiple impeller blade 21 is circumferentially located on central connector 22 at interval.
Advantageously, the circumference that comprises along outer rim connector 23 of impeller blade 21 is spaced apart multiple.Thus, be convenient to current drives impeller 2 and rotate, and make impeller blade 21 uniform force everywhere, make impeller 2 stablize rotation, thus be convenient to this water intaking valve 100 and detect discharge, improve the precision that water intaking valve detects discharge.
Further, impeller 2 integrated injection molding is formed.Thus, make impeller 2 structure simple, be convenient to shaping, improve the shaping efficiency of impeller 2, and impeller 2 structural strength be integrally formed is higher, under larger water impact, still can stablize effective operation, thus improve the service life of impeller 2, in addition, impeller 2 lighter weight that injection moulding is formed, not only be convenient to current drives impeller 2 and rotate volume, but also reduce the weight of water intaking valve 100, and reduce the manufacturing cost of water intaking valve 100.
Specifically, impeller blade 21, central connector 22 and outer rim connector 23 integrated injection molding are formed.
Certainly, impeller 2 also can for multiple part formed respectively after by welding, clamping or the mode such as bonding link together.
Magnetic part 4 is magnet.
The present invention by adding the impeller 2 of a carrying magnetic part 4 in the intake tunnel 101 of water intaking valve 100, on valve body 1, the position of corresponding impeller 2 arranges a Hall element 3, so that the cooperation passing through Hall element 3 and magnetic part 4 detects the rotation of impeller 2, thus accurately can detect the flow of inlet water of water intaking valve 100.Impeller 2 is located in intake tunnel 101, and when current flow through, impeller 2 is rotated.Magnetic part 4 is arranged on impeller 2 side, favourable, and two relative magnetic parts 4 are generally housed.Hall element 3 is located at valve inleting water pipe on outer wall, and with magnetic part 4 at grade.Mounting bracket 5 connects Hall element 3, and mounting bracket 5 is with an interface, exports to controller for the changes of magnetic field number of times that Hall element 3 is detected.
According to the water intaking valve of the washing machine of the embodiment of the present invention, when water intaking valve energising is opened, current can enter intake tunnel 101, current are when impeller 2, will impeller 2 rotate, because impeller 2 is provided with by two magnetic parts 4, so, impeller 2 often rotates a circle, rotation one is also enclosed by magnetic part 4, each magnetic part 4 rotates will in precalculated position near Hall element 3 in the process of a circle, thus make Hall element 3 closed under the magneticaction of magnetic part 4, thus detect that magnetic part 4 near Hall element 3 once, and, impeller 2 is provided with by two magnetic parts 4, so when impeller 2 rotates one week, Hall element 3 will detect both sides magnetic part.Certainly, when the magnetic part 4 on impeller 2 is multiple, impeller 2 often rotates a circle, and Hall element 3 can sense magnetic part more than 4 time.
No matter hydraulic pressure size, impeller 2 rotates with discharge linear, so the induced signal by detecting Hall element 3, just accurately can detect discharge.
The washing machine of embodiment according to a second aspect of the present invention, comprises the water intaking valve of the washing machine of embodiment according to a first aspect of the present invention.
According to the washing machine of the embodiment of the present invention, the water intaking valve of the washing machine of embodiment is according to a first aspect of the present invention installed, thus, the inflow of washing machine can be detected accurately, thus be convenient to control washing machine, inflow accuracy of detection is high, thus washing machine can well be run, improve the stability that washing machine runs, and the simple long service life of this inlet valve structure, thus be convenient to the installation of washing machine and the detection of inflow, and reduce the maintenance cost of washing machine.
Be all known according to other configuration examples of the washing machine of the embodiment of the present invention for those of ordinary skills as outlet valve and washing machine drum body etc. and operation, be not described in detail here.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this description or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a water intaking valve for washing machine, is characterized in that, comprising:
Valve body, has intake tunnel in described valve body;
Impeller, described impeller is located in described intake tunnel rotationally, and described impeller is rotated by the water-driven flowing through described intake tunnel, and the impeller blade of described impeller is provided with the magnetic part with described wheel rotation;
Hall element, described Hall element is located on the outer wall of described valve body, and described Hall element and described magnetic part are relative to rotating the number of turns for what detect described impeller.
2. the water intaking valve of washing machine according to claim 1, is characterized in that, described magnetic part is be located at the outer rim of described impeller blade and two of the axisymmetrical of relatively described impeller layout.
3. the water intaking valve of washing machine according to claim 1 and 2, is characterized in that, described impeller blade is provided with the mounting groove closing on described impeller outer edge, and described magnetic part is located in described mounting groove.
4. the water intaking valve of the washing machine according to any one of claim 1-3, is characterized in that, described Hall element is located in the plane at described impeller place.
5. the water intaking valve of the washing machine according to any one of claim 1-4, it is characterized in that, described valve body is provided with mounting bracket, and described Hall element is located on described mounting bracket, and described mounting bracket is provided with the control unit interface be connected with described Hall element.
6. the water intaking valve of the washing machine according to any one of claim 1-5, is characterized in that, the axis being parallel of described impeller is in the bearing of trend of described intake tunnel, and the impeller blade of described impeller favours the axis of described impeller.
7. the water intaking valve of washing machine according to claim 6, it is characterized in that, described impeller also comprises central connector and the outer rim connector around described central connector, described outer rim connector is toroidal, and described impeller blade along described outer rim connector radial direction extend and the two ends of described impeller blade be connected with outer rim connector with described central connector respectively.
8. the water intaking valve of washing machine according to claim 7, is characterized in that, the circumference that described impeller blade comprises along described outer rim connector is spaced apart multiple.
9. the water intaking valve of the washing machine according to any one of claim 1-8, is characterized in that, described impeller integrated injection molding is formed.
10. a washing machine, is characterized in that, comprises the water intaking valve of the washing machine according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164271.0A CN105088693B (en) | 2014-04-22 | 2014-04-22 | Washing machine and its inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164271.0A CN105088693B (en) | 2014-04-22 | 2014-04-22 | Washing machine and its inlet valve |
Publications (2)
| Publication Number | Publication Date |
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| CN105088693A true CN105088693A (en) | 2015-11-25 |
| CN105088693B CN105088693B (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410164271.0A Active CN105088693B (en) | 2014-04-22 | 2014-04-22 | Washing machine and its inlet valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107471288A (en) * | 2017-07-31 | 2017-12-15 | 上海宇航系统工程研究所 | A kind of carbon fiber pipe electric shearing device with auxiliary holding function |
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| CN105088693B (en) | 2019-02-05 |
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Effective date of registration: 20190808 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. |