CN103266451A - Washing machine and liquid level sensor for washing machine - Google Patents
Washing machine and liquid level sensor for washing machine Download PDFInfo
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- CN103266451A CN103266451A CN2013101470809A CN201310147080A CN103266451A CN 103266451 A CN103266451 A CN 103266451A CN 2013101470809 A CN2013101470809 A CN 2013101470809A CN 201310147080 A CN201310147080 A CN 201310147080A CN 103266451 A CN103266451 A CN 103266451A
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- level sensor
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Abstract
The invention discloses a washing machine and a liquid level sensor for the washing machine. The liquid level sensor comprises a base, a display disc, a straight guide column, a spiral guide column, a pointer and a floating block, wherein the upper end of the straight guide column is connected with the display disc while the lower end of the same is connected with the base, the upper end of the spiral guide column is rotationally connected with the display disc while the lower end of the same is rotationally connected with the base, the pointer is connected with the spiral guide column so as to be driven by the spiral guide column to rotate, the floating block is provided with a first through hole and a second through hole, the straight guide column penetrates the first through hole, the floating block can move along the straight guide column, and the spiral guide column penetrates the second through hole and is driven by the floating block to rotate. The liquid level sensor for the washing machine in an embodiment is simple in structure, can detect the liquid level in real time, and can obtain the storage condition of detergent in the washing machine in real time.
Description
Technical field
The present invention relates to field of domestic appliances manufacture technology, particularly a kind of for washing machine liquid level sensor and have the washing machine of this liquid level sensor.
Background technology
Existing automatic washing machine has much all been used the washing agent automatic release device, and general structure is: the washing agent storage box is set, storing detergent in advance in the washing agent storage box in washing machine; One cover pump liquid systems is set simultaneously, when needs add washing agent, by the pump liquid systems washing agent in the washing agent storage box is rendered to participation washing in the washtub.Usually, the work of pump liquid systems is to rely on the control of the independent control of the master controller of washing machine or automatic release device, realizes automation mechanized operation.
But be based on the consideration attractive in appearance of Denging, the washing agent storage box all is disposed in the internal body of washing machine, and the outside be can't see.So can't judge the washing agent surplus by naked eyes.At first can't check the real-time surplus of washing agent intuitively, the user also just can't purchase liquid detergent in advance, carries out liquid feeding and prepares, and is very inconvenient; Secondly when adding liquid detergent, can't know whether liquid detergent will be filled it up with at every turn, often cause too much flowing out that liquid detergent adds to deposit vessel port; The 3rd when liquid detergent is about to use up, and can't point out the user to add liquid detergent, causes laundry effect not good.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or provides a kind of useful commerce to select at least.For this reason, one object of the present invention is to propose a kind of liquid level sensor that is used for washing machine that shows the liquid level of washing agent in the washing machine
The liquid level sensor that is used for washing machine according to the embodiment of the invention comprises: base, display panel, straight guide pillar, spiral guide pillar, pointer and floating block.Particularly, described display panel and described base interval preset distance; The upper end of described straight guide pillar links to each other with described display panel and the lower end links to each other with described base; The upper end of described spiral guide pillar rotatably links to each other with described display panel and the lower end rotatably links to each other with described base; Described pointer links to each other in order to rotate under the drive of described spiral guide pillar with described spiral guide pillar; Described floating block has first and second through holes, and described straight guide pillar passes described first through hole and described floating block can move along described straight guide pillar, and described spiral guide pillar passes described second through hole so that described spiral guide pillar rotates under the drive of described floating block.
According to the liquid level sensor that is used for washing machine of the embodiment of the invention, floating block moves and drives the rotation of spiral guide pillar along straight guide pillar.Thus, the position of floating block is consistent with liquid level, and floating block in the moving process, will drive the rotation of spiral guide pillar along the vertical direction, and the rotation of spiral guide pillar will drive pointer and rotate, so that indicate the height of liquid level.Liquid level sensor of the present invention is simple in structure, can detect the height of liquid level in real time, in the time of in the liquid storage box of the washing agent that this liquid level sensor is installed in washing machine, can obtain the storage condition of the washing agent in the washing machine with implementing, so that in time understanding is convenient to the use of washing machine to the memory space of the washing agent in the washing machine.
In addition, the liquid level sensor for washing machine according to the above embodiment of the present invention can also have following additional technical characterictic:
According to one embodiment of present invention, described pointer is positioned at the top of described display panel, and the upper end of described spiral guide pillar is passed described display panel and linked to each other with described pointer.Thus, pointer is located at the top of display panel, can obtains the indicating positions of pointer easily, can learn the height of liquid level easily and fast, improved the practicality of liquid level sensor.
According to one embodiment of present invention, described display panel is provided with the graduation mark group.Thus, conveniently check the indicating positions of pointer further.
According to one embodiment of present invention, described spiral guide pillar comprises: body, go up locating shaft and following locating shaft.Described body is helical form; Described locating shaft down links to each other with the lower end of described body and rotatably is located on the described base, described upper end of going up locating shaft passes that described display panel links to each other with described pointer and the lower end links to each other with the upper end of described body, describedly goes up locating shaft and the described locating shaft that descends extends along the vertical direction along the axis of screw of described body.Thus, make the easy moulding simple in structure of spiral guide pillar, and the spiral guide pillar can be along its rotating shaft stable rotation.
According to one embodiment of present invention, described body locating shaft and the described projection of locating shaft on horizontal plane down on being projected as on the horizontal plane is semicircle and described is positioned at described semicircular circle centre position.Thus, avoid spiral guide pillar rotational angle excessive, and caused pointer to show indefinite problem, improved the practicality of this liquid level sensor.In addition, the spiral angle of spiral guide pillar of the present invention is less, is convenient to floating block and drives the rotation of spiral guide pillar, avoids having improved the stability of liquid level sensor because the excessive floating block that causes of the spiral angle of spiral guide pillar can't drive the rotation of spiral guide pillar.
According to one embodiment of present invention, also comprise the switch that cooperates for described floating block, described switch is located in described straight guide pillar and the described spiral guide pillar at least one.Thus, make this liquid level sensor more intelligent.
According to one embodiment of present invention, described switch is located on the described straight guide pillar and contiguous described base.Thus, during liquid storage quantity not sufficient in liquid storage box, remind the common washing agent of user.But also reduced the quantity of switch, not only easy to use but also reduce cost.
According to one embodiment of present invention, described switch is magnetic reed switch, and described floating block is provided with the magnet ring that cooperates for described magnetic reed switch.Thus, make on-off effect rapid, the convenient washing agent that adds timely.Switch takes up room little, has improved the space availability ratio of liquid level sensor.In addition, the contact of magnetic reed switch has superior corrosion-resistant and mar proof, can obtain stable switch motion.
According to one embodiment of present invention, described magnet ring is located on the wall of described second through hole.Thus, reaction precision and the stability of switch have further been improved.
Washing machine according to the embodiment of the invention comprises: liquid storage box and liquid level sensor.Particularly, described liquid level sensor is located in the described liquid storage box, and described liquid level sensor is the described liquid level sensor for washing machine of previous embodiment according to the present invention.
Washing machine is equipped with the described liquid level sensor of previous embodiment according to the present invention according to an embodiment of the invention.Thus, make the user can obtain the situation of depositing of the washing agent in the washing machine timely, be convenient to the user and in time the memory space of the washing agent in the washing machine regulated, so that washing machine work.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram of the liquid level sensor that is used for washing machine of one embodiment of the present of invention;
Fig. 2 is the schematic diagram of display panel of the liquid level sensor that is used for washing machine of one embodiment of the present of invention;
Fig. 3 is the schematic diagram of the base of the liquid level sensor that is used for washing machine of one embodiment of the present of invention, straight guide pillar, the cooperation of spiral guide pillar;
Fig. 4 is the vertical view of spiral guide pillar of the liquid level sensor that is used for washing machine of one embodiment of the present of invention;
Fig. 5 is the vertical view of straight guide pillar of the liquid level sensor that is used for washing machine of one embodiment of the present of invention;
Fig. 6 is the liquid storage box of washing machine of one embodiment of the present of invention and the cooperation schematic diagram of liquid level sensor.
Wherein, base 31, display panel 32, floating block 33, straight guide pillar 34, spiral guide pillar 35, pointer 36, last locating shaft 351, following locating shaft 352, body 353, switch 37, liquid storage box 1, washing agent dispensing port 2, liquid level sensor 3.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", close the orientation of indications such as " counterclockwise " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand above-mentioned term concrete implication in the present invention as the case may be.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, first feature second feature it " on " or D score can comprise that first and second features directly contact, can comprise that also first and second features are not directly contacts but by the contact of the additional features between them.And, first feature second feature " on ", " top " and " above " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is higher than second feature.First feature second feature " under ", " below " and " below " comprise first feature under second feature and tiltedly, or only represent that the first characteristic level height is less than second feature.
Existing automatic washing machine has much all been used the washing agent automatic release device, and general structure is: the washing agent storage box is set, storing detergent in advance in the washing agent storage box in washing machine; One cover pump liquid systems is set simultaneously, when needs add washing agent, by the pump liquid systems washing agent in the washing agent storage box is rendered to participation washing in the washtub.Usually, the work of pump liquid systems is to rely on the control of the independent control of the master controller of washing machine or automatic release device, realizes automation mechanized operation.
But be based on the consideration attractive in appearance of Denging, the washing agent storage box all is disposed in the internal body of washing machine, and the outside be can't see.So can't judge the washing agent surplus by naked eyes.At first can't check the real-time surplus of washing agent intuitively, the user also just can't purchase liquid detergent in advance, carries out liquid feeding and prepares, and is very inconvenient; Secondly when adding liquid detergent, can't know whether liquid detergent will be filled it up with at every turn, often cause too much flowing out that liquid detergent adds to deposit vessel port; The 3rd when liquid detergent is about to use up, and can't point out the user to add liquid detergent, causes laundry effect not good.For this reason, be badly in need of a kind of device that the washing agent memory margin shows and add prompting function in real time that has for washing machine.The invention reside in and solve problems more of the prior art, proposed a kind of liquid level sensor that is used for washing machine that shows the detergent amount in the washing agent storage box.
Describe the liquid level sensor that is used for washing machine of the embodiment of the invention with reference to the accompanying drawings in detail.
As shown in Figure 1, the liquid level sensor 3 that is used for washing machine according to the embodiment of the invention comprises: base 31, display panel 32, floating block 33, straight guide pillar 34, spiral guide pillar 35 and pointer 36.
Particularly, display panel 32 is positioned at upward (direction that namely makes progress as shown in Figure 1) side of base 31, and display panel 32 and base 31 interval preset distances.The upper end of straight guide pillar 34 (namely the end that makes progress of straight guide pillar 34) as shown in Figure 1 links to each other with display panel 32, and the lower end of straight guide pillar 34 (namely as shown in Figure 1 directly the downward end of guide pillar 34) links to each other with base 31.The upper end of spiral guide pillar 35 (namely the end that makes progress of spiral guide pillar 35) as shown in Figure 1 is rotatable to link to each other with display panel 32, and the lower end of spiral guide pillar 35 (namely the downward end of spiral guide pillar 35) as shown in Figure 1 rotatably links to each other with described base.Pointer 36 links to each other with spiral guide pillar 35 in order to rotate under the drive of spiral guide pillar 35, and pointer 36 turned positions can be used for indicating the liquid level of washing agent in the washing machine.Have the first through hole (not shown) and the second through hole (not shown) at welfare floating block 33, straight guide pillar 34 passes described first through hole, be used for floating block 33 can be moved along straight guide pillar 34, under buoyancy, floating block will move along the vertical direction, spiral guide pillar 35 passes described second through hole, so that spiral guide pillar 35 rotates under the drive of floating block 33.
According to the liquid level sensor that is used for washing machine of the embodiment of the invention, floating block 33 moves and drives 35 rotations of spiral guide pillar along straight guide pillar 34.Thus, the position of floating block 33 is consistent with liquid level, and floating block 33 in the moving process, will drive 35 rotations of spiral guide pillar along the vertical direction, and the rotation of spiral guide pillar 35 will drive pointer 36 and rotate, so that indicate the height of liquid level.Liquid level sensor of the present invention is simple in structure, can detect the height of liquid level in real time, in the time of in the liquid storage box of the washing agent that this liquid level sensor 3 is installed in washing machine, can obtain the storage condition of the washing agent in the washing machine with implementing, so that in time understand the memory space of the washing agent in the washing machine, be convenient to the use of washing machine.
As shown in Figure 1, in some embodiments of the invention, pointer 36 is positioned at the top of display panel 32, and display panel 32 is passed in the upper end of spiral guide pillar 35, and the upper end of passing display panel 32 of spiral guide pillar 35 links to each other with pointer 36.Thus, pointer 36 is located at the top of display panel, can obtains the indicating positions of pointer 36 easily, can learn the height of liquid level easily and fast, improved the practicality of liquid level sensor.
In addition, when display panel 32 parts transparent or display panel are transparent, the container cavity that holds pointer 36 can be set in display panel 32, to protection pointer 32.Perhaps pointer 36 is located at the below of display panel 32.This is understandable for those of ordinary skill in the art.
As described in Figure 2, display panel 32 is provided with graduation mark group 321.Thus, conveniently check the indicating positions of pointer 36 further.
In addition, as shown in Figure 3, in specific embodiments more of the present invention, spiral guide pillar 35 comprises: go up locating shaft 351, following locating shaft 352 and body 353.Particularly, body 353 is helical form.The upper end of last locating shaft 351 (namely going up the upper end of locating shaft 351 as shown in Figure 3) is passed display panel 32 and is linked to each other with pointer 36, and the upper end of the lower end of last locating shaft 351 (namely going up the lower end of locating shaft 351 as shown in Figure 3) and body 353 (namely the upper end of body 353) as shown in Figure 3 links to each other.The lower end of following locating shaft 352 and body 353 (namely the lower end of body 353) as shown in Figure 3 links to each other and rotatably is located on the base 31, particularly, the upper end of following locating shaft 352 links to each other with the lower end of body 353, and the lower end of following locating shaft 352 rotatably is located on the base 31.Last locating shaft 351 and following locating shaft 352 extend along the vertical direction along the axis of screw of body 353, so that body 353 rotations.Thus, make the 35 easy moulding simple in structure of spiral guide pillar, and spiral guide pillar 35 can be along its rotating shaft stable rotation.
Fig. 4 is the vertical view of liquid level sensor 3 of the present invention, and with reference to Fig. 4, body 353 is projected as semicircle on horizontal plane, and goes up locating shaft 351 and the projection of following locating shaft 352 on horizontal plane is positioned at this semicircular circle centre position.In other words, when this liquid level sensor 3 being installed in the liquid storage box of store detergent, the maximum rotation angle of spiral guide pillar 35 is 180 ° again, in other words, be empty storage completely between the washing agent to the parcel tray from liquid storage box, spiral guide pillar 35 Rotate 180s °.Thus, avoid spiral guide pillar 35 rotational angles excessive, and caused pointer 36 to show indefinite problem, improved the practicality of this liquid level sensor 3.In addition, the spiral angle of spiral guide pillar 35 of the present invention is less, be convenient to floating block 33 and drive 35 rotations of spiral guide pillar, avoid having improved the stability of liquid level sensor 3 because the excessive floating block that causes 33 of the spiral angle of spiral guide pillar 35 can't drive 35 rotations of spiral guide pillar.
In addition, spiral guide pillar 35 of the present invention also can be for shaft-like along what extend up and down, and form the guide groove of coiled coil along the vertical direction at spiral guide pillar 35.This is understandable for those of ordinary skill in the art.
Fig. 5 is the vertical view of straight guide pillar 34 of the present invention, and with reference to Fig. 5, straight guide pillar 34 is extend along the vertical direction shaft-like.
As shown in Figure 3, in concrete examples more of the present invention, liquid level sensor 3 also comprises the switch 37 that cooperates for floating block 33, and switch 37 is located in straight guide pillar 34 and the spiral guide pillar 35 at least one.Thus, make this liquid level sensor 3 more intelligent.
In addition, can also comprise elements such as buzzer, display, so that pass through the liquid storage amount that forms such as sound, animation or literal show liquid storage box, easy to use.
In order to make the position stability of switch 37, to improve the stability of liquid level sensor 3.In a concrete example of the present invention, switch 37 is located on the straight guide pillar 34, and switch 37 proximate base 31.Thus, during liquid storage quantity not sufficient in liquid storage box, remind the common washing agent of user.But also reduced the quantity of switch 37, not only easy to use but also reduce cost.
Switch 37 is magnetic reed switch, and floating block 33 is provided with the magnet ring (not shown) that cooperates for magnetic reed switch 37.Thus, make on-off effect rapid, the convenient washing agent that adds timely.Switch takes up room little, has improved the space availability ratio of liquid level sensor 3.In addition, the contact of magnetic reed switch 37 has superior corrosion-resistant and mar proof, can obtain stable switch motion.
Further, described magnet ring is located on the wall of described second through hole.Thus, reaction precision and the stability of switch 37 have further been improved.
Washing machine according to the embodiment of the invention comprises: liquid storage box 1 and liquid level sensor 3.Particularly, liquid storage box 1 is provided with washing agent dispensing port 2.Liquid level sensor 3 is located in the liquid storage box 1, and liquid level sensor 3 is the described liquid level sensor for washing machine of previous embodiment according to the present invention.
According to one embodiment of present invention, the described liquid level sensor 3 of previous embodiment according to the present invention is installed.Thus, make the user can obtain the situation of depositing of the washing agent in the washing machine timely, be convenient to the user and in time the memory space of the washing agent in the washing machine regulated, so that washing machine work.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment under the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.
Claims (10)
1. a liquid level sensor that is used for washing machine is characterized in that, comprising:
Base;
Display panel, described display panel and described base be preset distance at interval;
Straight guide pillar, the upper end of described straight guide pillar links to each other with described display panel and the lower end links to each other with described base;
Spiral guide pillar, the upper end of described spiral guide pillar rotatably link to each other with described display panel and the lower end rotatably links to each other with described base;
Pointer, described pointer links to each other in order to rotate under the drive of described spiral guide pillar with described spiral guide pillar; With
Floating block, described floating block has first and second through holes, and described straight guide pillar passes described first through hole and described floating block can move along described straight guide pillar, and described spiral guide pillar passes described second through hole so that described spiral guide pillar rotates under the drive of described floating block.
2. liquid level sensor according to claim 1 is characterized in that, described pointer is positioned at the top of described display panel, and the upper end of described spiral guide pillar is passed described display panel and linked to each other with described pointer.
3. liquid level sensor according to claim 1 is characterized in that, described display panel is provided with the graduation mark group.
4. liquid level sensor according to claim 2 is characterized in that, described spiral guide pillar comprises:
Body, described body are helical form; And
Last locating shaft and following locating shaft, described locating shaft down links to each other with the lower end of described body and rotatably is located on the described base, described upper end of going up locating shaft passes that described display panel links to each other with described pointer and the lower end links to each other with the upper end of described body, describedly goes up locating shaft and the described locating shaft that descends extends along the vertical direction along the axis of screw of described body.
5. liquid level sensor according to claim 4 is characterized in that, described body locating shaft and described locating shaft projection on horizontal plane down on being projected as on the horizontal plane is semicircle and described are positioned at described semicircular circle centre position.
6. liquid level sensor according to claim 1 is characterized in that, also comprises the switch that cooperates for described floating block, and described switch is located in described straight guide pillar and the described spiral guide pillar at least one.
7. liquid level sensor according to claim 6 is characterized in that, described switch is located on the described straight guide pillar and contiguous described base.
8. liquid level sensor according to claim 7 is characterized in that, described switch is magnetic reed switch, and described floating block is provided with the magnet ring that cooperates for described magnetic reed switch.
9. liquid level sensor according to claim 7 is characterized in that, described magnet ring is located on the wall of described second through hole.
10. a washing machine is characterized in that, comprising:
Liquid storage box; With
Liquid level sensor, described liquid level sensor are located in the described liquid storage box, and described liquid level sensor is according to each described liquid level sensor for washing machine among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147080.9A CN103266451B (en) | 2013-04-24 | 2013-04-24 | For liquid level sensor and the washing machine of washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147080.9A CN103266451B (en) | 2013-04-24 | 2013-04-24 | For liquid level sensor and the washing machine of washing machine |
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| CN103266451A true CN103266451A (en) | 2013-08-28 |
| CN103266451B CN103266451B (en) | 2016-04-27 |
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| CN201310147080.9A Active CN103266451B (en) | 2013-04-24 | 2013-04-24 | For liquid level sensor and the washing machine of washing machine |
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Cited By (6)
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| WO2015161549A1 (en) * | 2014-04-22 | 2015-10-29 | 无锡小天鹅股份有限公司 | Washing machine and detergent storage system used therefor |
| CN105088723A (en) * | 2014-04-29 | 2015-11-25 | 无锡小天鹅股份有限公司 | Condensation water box assembly used for condensation type clothes dryer and condensation type clothes dryer |
| CN105088689A (en) * | 2014-04-22 | 2015-11-25 | 无锡小天鹅股份有限公司 | Washing machine and washing agent storage system used for washing machine |
| WO2018040191A1 (en) * | 2016-08-31 | 2018-03-08 | 无锡小天鹅股份有限公司 | Laundry machine |
| CN110485118A (en) * | 2018-05-14 | 2019-11-22 | 青岛海尔滚筒洗衣机有限公司 | Clothes treatment device and its grenade instrumentation |
| CN114214817A (en) * | 2017-09-04 | 2022-03-22 | 松下知识产权经营株式会社 | Washing machine |
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| WO2015161549A1 (en) * | 2014-04-22 | 2015-10-29 | 无锡小天鹅股份有限公司 | Washing machine and detergent storage system used therefor |
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| CN110485118A (en) * | 2018-05-14 | 2019-11-22 | 青岛海尔滚筒洗衣机有限公司 | Clothes treatment device and its grenade instrumentation |
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| CN103266451B (en) | 2016-04-27 |
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Effective date of registration: 20190806 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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