CN103215786A - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN103215786A CN103215786A CN2013100966563A CN201310096656A CN103215786A CN 103215786 A CN103215786 A CN 103215786A CN 2013100966563 A CN2013100966563 A CN 2013100966563A CN 201310096656 A CN201310096656 A CN 201310096656A CN 103215786 A CN103215786 A CN 103215786A
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- urceolus
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- magnetoresistive transducer
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Abstract
The invention discloses a washing machine, which comprises a casing, a controller, an outer tube, an inner tube, a magnetic element and a magnetic resistance sensor, wherein the outer tube is arranged in the casing, the inner tube is arranged in the outer tube in a pivoting way, the magnetic element is arranged on one of the outer tube and the casing, the magnetic resistance sensor is arranged on the other one of the outer tube and the casing, the magnetic resistance sensor and the magnetic element are in relative arrangement for sensing the magnetic element, and the magnetic resistance sensor is connected with the controller. According to the washing machine provided by the embodiment of the invention, whether the dewatering balance of the washing machine is reached or not is detected by a non-contact type detection method, the abrasion on the washing machine is small, the service life of the washing machine is prolonged, and the reliability is high. The universality of the magnetic resistance sensor and the magnetic element is high, under the condition of unchanged hardware, the matching can be realized on different dewatering systems only through regulating the controller program comparison threshold voltage, in addition, the washing machine adopts the non-contact type detection, and the collision cannot be generated in the detection process, so the noise cannot be generated.
Description
Technical field
The present invention relates to the household electrical appliance preparing technical field, more specifically, relate to a kind of washing machine.
Background technology
Washing machine is in dehydration, if the clothing skewness, dehydration barrel is understood eccentric operating, makes the steel ladle abnormal motion of suspention, and the bump casing produces bigger threat to machine and personal safety.The imbalance of dehydration detection at present mainly is to clash into the safety switch fork by steel ladle, and the computer plate detects and stops dehydration and the automatic equilibrium code again of intaking that moves after specific voltage signal changes, and washings is evenly distributed, and continues dehydration again.Situations such as wearing and tearing, distortion even the fracture of existing safety switch machinery fork part and the reed distortion of electric switch, microswitch inefficacy all can reduce the reliability of safety switch greatly; The washing machine of different capabilities section needs different safety switch couplings to reach optimum efficiency because of the difference of physical dimension, and part universality is not good; In addition, before eccentric dehydration barrel shut down, the noise that bump produces did not also satisfy the environmental protection demand that people improve day by day.Therefore the uneven checkout gear of the laundry machine dehydration of reliable general environmental protection becomes eager demand.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of non-contact type and detects dehydration whether balance, wearing and tearing are little, reliability is high washing machine.
Washing machine according to the embodiment of the invention comprises: housing, and described housing top is formed with workbench; Controller, described controller are located on the described housing; Urceolus, described urceolus are installed in the described housing; Inner core, described inner core are pivotably mounted in the described urceolus; Magnetic part, described magnetic part are located on one of them of described urceolus or housing; And magnetoresistive transducer, described magnetoresistive transducer is located on another of described urceolus or housing, and described magnetoresistive transducer and described magnetic part are oppositely arranged to respond to described magnetic part, and described magnetoresistive transducer links to each other with described controller.
Washing machine according to the embodiment of the invention, cooperate with magnetic part by magnetoresistive transducer, magnetoresistive transducer is at different spatial induced magnetism part, can export voltage clocklike, in the laundry machine dehydration process, during the dehydration of washing machine unbalance loading, the relative position of magnetoresistive transducer and magnetic part is less than predetermined value, the voltage that magnetoresistive transducer spreads out of exceeds the predetermined voltage range of controller, and then controller control dehydration procedure stops.This washing machine detects whether balance of laundry machine dehydration by the non-contact type detection method, and is little to the washing machine wearing and tearing, prolongs the washing machine life-span, the reliability height; Magnetoresistive transducer and magnetic part highly versatile under the constant situation of hardware, only need be adjusted director demon comparison threshold value voltage to different dewatering systems and can realize coupling; And this washing machine is that non-contact type detects, and can not bump in the testing process, therefore can not make a noise, and meets consumer's safety and environmental protection requirement.
In addition, according to the washing machine of the embodiment of the invention, can also have following additional technical characterictic:
According to one embodiment of present invention, described magnetoresistive transducer comprises: body, have dc power supply terminal, common ground end and output on the described body, and wherein said output links to each other with described controller; With magnetic field induction portion, portion of described magnetic field induction portion is located on the described body and with described magnetic part and is oppositely arranged.
According to one embodiment of present invention, the open-top of described urceolus, described magnetic resistance inductor are located at described urceolus top and described magnetic field induction portion arranges up, the magnetic that described magnetic part is located at described workbench below and the described magnetic part layout that faces down.
Alternatively, described magnetic part described urceolus radially on be positioned at the outside of described magnetoresistive transducer.
According to one embodiment of present invention, the magnetic that the open-top of described urceolus, described magnetic part are located at described urceolus top and the described magnetic part layout that faces up, described magnetic resistance inductor is located at described workbench below and described magnetic field induction portion arranges down.
Alternatively, described magnetic resistance inductor described urceolus radially on be positioned at the outside of described magnetic part.
According to one embodiment of present invention, described magnetic part is a magnet.
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 structural representation of washing machine according to an embodiment of the invention;
Fig. 2 is the magnetic resistance inductor of washing machine according to an embodiment of the invention and the structural representation of magnetic part;
Fig. 3 is the dewatering process flow schematic diagram of washing machine according to an embodiment of the invention;
Fig. 4 is the structural representation of washing machine in accordance with another embodiment of the present invention;
Reference numeral:
10: housing; 11: workbench;
20: urceolus;
30: inner core;
40(40a): magnetic part;
50(50a): magnetoresistive transducer; 51: body; 511: dc power supply terminal; 512: the common ground end; 513: output; 52: magnetic field induction portion.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, is intended to be used to explain 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 "; " on "; D score; " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", orientation or pass, position Deng indication are 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 the device or the element of indication or hint indication must have specific orientation, therefore orientation structure and operation with specific can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used to describe 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 a plurality of this feature 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 qualification is arranged in addition.
In the present invention, unless clear and definite regulation and qualification 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.
Below in conjunction with the washing machine of accompanying drawing specific descriptions according to the embodiment of the invention.
As shown in Figures 1 to 4, the washing machine according to the embodiment of the invention comprises: housing 10, controller, urceolus 20, inner core 30, magnetic part 40 and magnetoresistive transducer 50.
Particularly, housing 10 tops are formed with workbench 11, and controller is located on the housing 10; Urceolus 20 is installed in the housing 10, and inner core 30 is pivotably mounted in the urceolus 20.Magnetic part 40 is located on one of them of urceolus 20 or housing 10, and magnetoresistive transducer 50 is located on another of urceolus 20 or housing 10, and magnetoresistive transducer 50 is oppositely arranged with induced magnetism part 40 with magnetic part 40, and magnetoresistive transducer 50 links to each other with controller.
Need to prove that the external magnetic field size variation causes that the phenomenon of material change in resistance is called magnetic resistance (MR) effect, magnetoresistive transducer 50 utilizes this effect to make.Magnetoresistive transducer 50 can be exported voltage clocklike in the different spatial of magnetic part 40.Among the present invention, when the relative position r of magnetoresistive transducer 50 and magnetic part 40 changed, the magnetic field size B that magnetoresistive transducer 50 detects changed, and corresponding output voltage U also changes thereupon.When the washing machine unbalance loading is dewatered, magnetoresistive transducer 50 and magnetic part relative position r are worth less than certain, magnetoresistive transducer 50 output voltage U are not in the voltage range of controller initial setting up, controller stops dehydration procedure and moves the equilibrium code again of intaking automatically, continues the operation dehydration procedure again after washings evenly distributes.
Washing machine according to the embodiment of the invention, cooperate with magnetic part 40 by magnetoresistive transducer 50, magnetoresistive transducer 50 can be exported voltage clocklike at different spatial induced magnetism part 40, in the laundry machine dehydration process, during the dehydration of washing machine unbalance loading, the relative position of magnetoresistive transducer 50 and magnetic part 40 is less than predetermined value, and the voltage that magnetoresistive transducer 50 spreads out of exceeds the predetermined voltage range of controller, and then controller control dehydration procedure stops.This washing machine detects whether balance of laundry machine dehydration by the non-contact type detection method, and is little to the washing machine wearing and tearing, prolongs the washing machine life-span, the reliability height; Magnetoresistive transducer 50 and magnetic part 40 highly versatiles under the constant situation of hardware, only need be adjusted director demon comparison threshold value voltage to different dewatering systems and can realize coupling; And this washing machine is that non-contact type detects, and can not bump in the testing process, therefore can not make a noise, and meets consumer's safety and environmental protection requirement.
Particularly, according to one embodiment of present invention, as shown in Figure 2, magnetoresistive transducer 50 comprises: body 51 and magnetic field induction portion 52.Have dc power supply terminal 511, common ground end 512 and output 513 on the body 51, wherein output 513 links to each other with controller, and 52 ones in magnetic field induction portion is located on the body 51 and with magnetic part 40 and is oppositely arranged.Dc power supply terminal 511 links to each other with dc source, and the common ground end links to each other with ground wire.Thus, magnetic field induction portion 52 is oppositely arranged with magnetic part 40, better induced magnetism part 40.
The selection of magnetic part 40 does not have particular restriction, the structure with magnetic that can adopt those of ordinary skills to use always.Preferably, according to one embodiment of present invention, magnetic part 40 is a magnet.Thus, the magnet wide material sources, and magnetic is stronger, and inductive effects is good.
It will be appreciated that magnetoresistive transducer 50 does not have particular restriction with the position of magnetic part 40 on washing machine, as long as can play interaction between magnetoresistive transducer 50 and the magnetic part 40, magnetoresistive transducer 50 can induced magnetism part 40 also output voltage get final product.The magnetoresistive transducer 50 and the position of magnetic part 40 on washing machine of the washing machine according to the present invention are described below in conjunction with specific embodiment.
Embodiment 1
As shown in Figure 1, the open-top of urceolus 20, magnetic resistance inductor 50 are located at urceolus 20 tops and magnetic field induction portion 52 arranges up, the magnetic that magnetic part 40 is located at workbench 11 belows and magnetic part 40 layout that faces down.
Particularly, magnetic resistance inductor 50 is installed on the plane on urceolus 20 tops, and urceolus 20 links to each other with housing 10 by hanging spring, and inner core 30 rotation in dehydration can drive urceolus 20 and rock.The magnetic face of magnetic part 40 is towards magnetic field induction portion 52, and magnetic part 40 urceolus 20 radially on be positioned at the outside of magnetoresistive transducer 50.
Below in conjunction with the dehydration of Fig. 3 specific descriptions according to the embodiment of the invention 1 described washing machine.
According to the washing machine of the embodiment of the invention when the normal dehydration, inner core 30 normal rotation, urceolus 20 shaking amplitudes are little, the magnetic field induction portion 52 induced magnetism parts 40 of magnetic resistance inductor 50, and voltage is passed to controller by output 513, at this moment, because urceolus 20 shaking amplitudes are little, the voltage of magnetic resistance inductor 50 outputs is in the voltage range of controller initial setting up, and dehydration procedure can normally carry out.
When the unbalance loading dehydration appears in washing machine, unbalance loading takes place and rotates in inner core 30, urceolus 20 shaking amplitude under the uneven loading action of inner core 30 is bigger, distance between magnetic resistance inductor 50 and the magnetic part 40 changes and fluctuates bigger, the magnetic field induction portion 52 induced magnetism parts 40 of magnetic resistance inductor 50, the voltage that is transferred to output 513 also changes, and exceeds the voltage range of controller initial setting up.At this moment, controller stops dehydration procedure, and moves the equilibrium code again of intaking automatically, and load distribution evenly back continues to start dehydration procedure, and the repetition said process is finished until dehydration.
Embodiment 2
As shown in Figure 4, the magnetic that the open-top of urceolus 20, magnetic part 40a are located at urceolus 20 tops and the magnetic part 40a layout that faces up, magnetic resistance inductor 50a is located at workbench 11 belows and magnetic field induction portion arranges down.
Particularly, magnetic part 40a is installed on the plane on urceolus 20 tops, and urceolus 20 links to each other with housing 10 by hanging spring, and inner core 30 rotation in dehydration can drive urceolus 20 and rock.The magnetic face of magnetic part 40a is towards magnetic field induction portion, and magnetic resistance inductor 50a urceolus 20 radially on be positioned at the outside of magnetic part 40a.
Similar according to the dehydration of the washing machine of the embodiment of the invention 2 and dehydration according to the washing machine of the embodiment of the invention 1, therefore repeat no more.
By the foregoing description as can be seen,, can detect whether balance of laundry machine dehydration by the non-contact type detection method according to the washing machine of the embodiment of the invention, little to the washing machine wearing and tearing, prolong the washing machine life-span, the reliability height; Magnetoresistive transducer 50 and magnetic part 40 highly versatiles under the constant situation of hardware, only need be adjusted director demon comparison threshold value voltage to different dewatering systems and can realize coupling; And this washing machine is that non-contact type detects, and can not bump in the testing process, therefore can not make a noise, and meets consumer's safety and environmental protection requirement.
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, the foregoing description is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change the foregoing description 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 (7)
1. a washing machine is characterized in that, comprising:
Housing, described housing top is formed with workbench;
Controller, described controller are located on the described housing;
Urceolus, described urceolus are installed in the described housing;
Inner core, described inner core are pivotably mounted in the described urceolus;
Magnetic part, described magnetic part are located on one of them of described urceolus or housing; With
Magnetoresistive transducer, described magnetoresistive transducer are located on another of described urceolus or housing, and described magnetoresistive transducer and described magnetic part are oppositely arranged to respond to described magnetic part, and described magnetoresistive transducer links to each other with described controller.
2. washing machine according to claim 1 is characterized in that, described magnetoresistive transducer comprises:
Body has dc power supply terminal, common ground end and output on the described body, wherein said output links to each other with described controller; With
Magnetic field induction portion, portion of described magnetic field induction portion is located on the described body and with described magnetic part and is oppositely arranged.
3. washing machine according to claim 2, it is characterized in that, the open-top of described urceolus, described magnetic resistance inductor are located at described urceolus top and described magnetic field induction portion arranges up, the magnetic that described magnetic part is located at described workbench below and the described magnetic part layout that faces down.
4. washing machine according to claim 3 is characterized in that, described magnetic part described urceolus radially on be positioned at the outside of described magnetoresistive transducer.
5. washing machine according to claim 2, it is characterized in that, the magnetic that the open-top of described urceolus, described magnetic part are located at described urceolus top and the described magnetic part layout that faces up, described magnetic resistance inductor are located at described workbench below and described magnetic field induction portion arranges down.
6. washing machine according to claim 5 is characterized in that, described magnetic resistance inductor described urceolus radially on be positioned at the outside of described magnetic part.
7. according to each described washing machine among the claim 1-6, it is characterized in that described magnetic part is a magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096656.3A CN103215786B (en) | 2013-03-22 | 2013-03-22 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096656.3A CN103215786B (en) | 2013-03-22 | 2013-03-22 | Washing machine |
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| CN103215786A true CN103215786A (en) | 2013-07-24 |
| CN103215786B CN103215786B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310096656.3A Expired - Fee Related CN103215786B (en) | 2013-03-22 | 2013-03-22 | Washing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790167A (en) * | 2014-01-21 | 2015-07-22 | 无锡小天鹅股份有限公司 | Washing machine and detecting method for unbalanced operation thereof |
| CN107974805A (en) * | 2017-11-14 | 2018-05-01 | 珠海格力电器股份有限公司 | Vibration damping structure, washing machine and vibration damping method thereof |
| CN110725095A (en) * | 2018-07-17 | 2020-01-24 | 无锡小天鹅电器有限公司 | Pulsator washing machine, eccentricity sensing method and device and storage medium |
| CN113056582A (en) * | 2018-11-21 | 2021-06-29 | 夏普株式会社 | Washing machine |
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| US5561990A (en) * | 1995-06-19 | 1996-10-08 | General Electric Company | System based on inductive coupling for sensing spin speed and an out-of-balance condition |
| CN1160100A (en) * | 1996-02-22 | 1997-09-24 | Lg电子株式会社 | Dehydrating apparatus of automatic washing machine and control method thereof |
| JPH10156081A (en) * | 1996-12-02 | 1998-06-16 | Hitachi Ltd | Washing machine |
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| CN101730765A (en) * | 2007-02-22 | 2010-06-09 | Bsh博世和西门子家用器具有限公司 | Laundry treatment device |
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2013
- 2013-03-22 CN CN201310096656.3A patent/CN103215786B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0871290A (en) * | 1994-09-02 | 1996-03-19 | Matsushita Electric Ind Co Ltd | Vibration sensor of fully automatic washing machine and its signal processing means |
| US5561990A (en) * | 1995-06-19 | 1996-10-08 | General Electric Company | System based on inductive coupling for sensing spin speed and an out-of-balance condition |
| CN1160100A (en) * | 1996-02-22 | 1997-09-24 | Lg电子株式会社 | Dehydrating apparatus of automatic washing machine and control method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790167A (en) * | 2014-01-21 | 2015-07-22 | 无锡小天鹅股份有限公司 | Washing machine and detecting method for unbalanced operation thereof |
| CN104790167B (en) * | 2014-01-21 | 2017-05-24 | 无锡小天鹅股份有限公司 | Washing machine and detecting method for unbalanced operation thereof |
| CN107974805A (en) * | 2017-11-14 | 2018-05-01 | 珠海格力电器股份有限公司 | Vibration damping structure, washing machine and vibration damping method thereof |
| CN107974805B (en) * | 2017-11-14 | 2023-06-06 | 珠海格力电器股份有限公司 | Vibration reduction structure, washing machine and vibration reduction method of washing machine |
| CN110725095A (en) * | 2018-07-17 | 2020-01-24 | 无锡小天鹅电器有限公司 | Pulsator washing machine, eccentricity sensing method and device and storage medium |
| CN113056582A (en) * | 2018-11-21 | 2021-06-29 | 夏普株式会社 | Washing machine |
| CN113056582B (en) * | 2018-11-21 | 2023-08-29 | 夏普株式会社 | washing machine |
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| CN103215786B (en) | 2017-07-18 |
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