CN202989569U - Washing machine capable of detecting faults of dampers - Google Patents
Washing machine capable of detecting faults of dampers Download PDFInfo
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- CN202989569U CN202989569U CN 201220596381 CN201220596381U CN202989569U CN 202989569 U CN202989569 U CN 202989569U CN 201220596381 CN201220596381 CN 201220596381 CN 201220596381 U CN201220596381 U CN 201220596381U CN 202989569 U CN202989569 U CN 202989569U
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- damper
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Abstract
A washing machine capable of detecting faults of dampers is provided with a shell, a water tank, a drum, the damper and a control unit, wherein the shell forms the appearance of the washing machine, the water tank is supported in the shell via the dampers, the drum is rotatable and coaxial with the water tank, the dampers are used for damping vibration of the water tank, and the control unit is used for controlling washing operation. Each damper is provided with a shaft, a hydraulic cylinder, a coil, magnetic yokes, magnetic viscous fluid and a fault detection unit, the shaft integrally moves with the water tank, the lower end of the hydraulic cylinder is connected with the bottom of the shell, one end of the shaft extends out from the hydraulic cylinder, the coil is maintained inside the hydraulic cylinder and generates magnetic fields by being energized, the magnetic yokes are arranged on two sides of the coil, the magnetic viscous fluid is filled between the shaft and the hydraulic cylinder to surround the coil and the magnetic yokes, and the fault detection unit is used for detecting the faults of the damper, is disposed at the bottom of the hydraulic cylinder and comprises a magnetometer and a viscometer. The washing machine is capable of detecting the faults of the dampers with the magnetic viscous fluid, and appropriate actions of the washing machine can be guaranteed even if the dampers are faulted.
Description
Technical field
The utility model relates to a kind of washing machine, relates in particular to a kind of washing machine that can detect the damper fault, and the large I of the damping force of this damper changes and can detect whether fault of damper.
Background technology
In the past, in washing machine, for example in tumbling-box washing machine, carried out elastic bearing with being arranged on the tank of damper housing bottom, that be used for damped vibration to inside, thereby reduced the caused vibration of rotation of cylinder.In tumbling-box washing machine in recent years, the variable damper of damping force has appearred using, wherein, use magnetic viscosity fluid etc. in damper.The magnetic viscosity fluid is such as the ferromagnetism particles such as iron, carbonyl iron being dispersed in oil and consist of, when the magnetic viscosity fluid is applied magnetic field, and the catenulate cluster of ferromagnetic particles shape and improve viscosity
But this damper owing to there being liquid fluid, easily hindering for some reason and the leakage of fluid occurs, and such as the containment member wear out failure, and is used for applying may the rupturing of coil in magnetic field, and the situation of damping force also may occur to change.Because damper is arranged on the tank bottom, the user generally can not find the problems referred to above, thereby has affected the normal use of washing machine, increases such as producing vibration imbalance and noise, the user may think the design defect of washing machine, thereby this brand product is produced distrust.
The utility model content
Therefore, provide a kind of washing machine that can detect the fault of the damper with magnetic viscosity fluid.And, even provide a kind of damper that fault has occured, also can guarantee the suitably washing machine of action.
the washing machine of present embodiment possesses shell, consists of the outward appearance of washing machine, by damper support tank in the enclosure, with the rotatable cylinder of the coaxial setting of tank, damper, the vibration of the above-mentioned tank of decay, control module is used for controlling the washing operation, it is characterized in that, this damper possesses: axle, move integratedly with above-mentioned tank, hydraulic cylinder, its lower end is connected with outer casing bottom, and an end of axle stretches out from hydraulic cylinder, coil is maintained at the inside of above-mentioned hydraulic cylinder, produces magnetic field by being energized, yoke is arranged on the both sides of above-mentioned coil, and the magnetic viscosity fluid, be filled between above-mentioned axle and hydraulic cylinder, surround above-mentioned coil and above-mentioned yoke, utilize the magnetic field of above-mentioned coil that viscosity is changed, thereby increase the damping force between above-mentioned axle and above-mentioned yoke, fault detection unit for detection of the fault of damper, is placed in bottom hydraulic cylinder, this fault detection unit comprises magnetometer and viscosimeter, whether magnetometer detects has magnetic force to produce in hydraulic cylinder, thereby judges whether coil ruptures or whether the magnetic viscosity fluid is revealed, when coil ruptures, do not have magnetic force to produce in hydraulic cylinder, magnetometer does not have reading, and when the magnetic viscosity fluid leakage, magnetometer readings diminishes gradually, whether viscosimeter test fluid viscosity changes, if fluid viscosity does not change, the coil fracture is described, magnetometer is connected with viscosimeter and is connected with control module by circuit, after washing machine starts, magnetometer and viscosimeter are started working, data timing will be detected or not timing sends to control module, compare with the normal value of the magnetic force of storing in control module and viscosity, in case numerical value is not in range of normal value, control module will wash operating normal mode, forward the damper fault mode to, in this pattern, drum rotation speed when control module reduces laundry machine dehydration, prevent from producing uneven and the noise increase because of the damper fault, and control warning device and send sound and light signal, reminding user damper fault, when not having fault to occur, control module is according to the detection data of magnetometer and viscosimeter, adjust the size of coil electricity, change the cushion effect of damper, if it is large to be arranged on the vibration of the vibration detecting unit detection on washing machine drum, increase electric current, promote the cushion effect of damper, if the vibration that vibration detecting unit detects is little, reduce electric current, reduce the cushion effect of damper.
According to present embodiment, can provide the washing machine that can detect the damper fault with magnetic viscosity fluid.
And, even fault has occured damper, also can guarantee the appropriate action of washing machine.
Description of drawings
Fig. 1 is the washing machine schematic diagram.
Fig. 2 is the damper schematic diagram with fault detection unit.
Description of reference numerals
1: shell 2: tank 3, damper 4, control module 31, axle 32, hydraulic cylinder 33, coil 34, yoke 35, magnetic viscosity fluid 36, magnetometer 37, viscosimeter 38, circuit
The specific embodiment
washing machine possesses shell 1, consists of the outward appearance of washing machine, be supported on tank 2 in shell 1 by damper 3, with tank 2 is coaxial rotatable cylinder be set, damper 3, the vibration of the above-mentioned tank 2 of decaying, control module 4 is used for controlling the washing operation, this damper 3 possesses: axle 31, move integratedly with above-mentioned tank 2, hydraulic cylinder 32, its lower end is connected with shell 1 bottom, and an end of axle 31 stretches out from hydraulic cylinder 32, coil 33 is maintained at the inside of above-mentioned hydraulic cylinder, produces magnetic field by being energized, yoke 34 is arranged on the both sides of above-mentioned coil, and magnetic viscosity fluid 35, be filled between above-mentioned axle 31 and hydraulic cylinder 32, surround above-mentioned coil 33 and above-mentioned yoke 34, utilize the magnetic field of above-mentioned coil 33 that viscosity is changed, thereby increase the damping force between above-mentioned axle 31 and above-mentioned yoke 34, fault detection unit for detection of the fault of damper 3, is placed in hydraulic cylinder 32 bottoms, this fault detection unit comprises magnetometer 36 and viscosimeter 37, whether magnetometer 36 detects has magnetic force to produce in hydraulic cylinder 32, thereby judge whether coil 31 ruptures or whether magnetic viscosity fluid 35 is revealed, when coil 33 fracture, do not have magnetic force to produce in hydraulic cylinder 32, magnetometer 36 does not have reading, when the magnetic viscosity fluid leakage, magnetometer 36 readings diminish gradually, whether viscosimeter 37 test fluid viscosity change, if fluid viscosity does not change, coil 33 fractures are described, magnetometer 36 is connected with viscosimeter and is all passed through circuit 38 and be connected with control module 4, after washing machine starts, magnetometer 36 and viscosimeter 37 are started working, data timing will be detected or not timing sends to control module, compare with the magnetic force of control module 4 interior storages and the normal value of viscosity, in case numerical value is not in range of normal value, control module will wash operating normal mode, forward the damper fault mode to, in this pattern, drum rotation speed when control module reduces laundry machine dehydration, prevent from producing uneven and the noise increase because of the damper fault, and control warning device and send sound and light signal, reminding user damper fault, when not having fault to occur, control module is according to the detection data of magnetometer 36 and viscosimeter 37, adjust the size of coil 33 energisings, change the cushion effect of damper 3, if washing machine is large by the vibration that vibration detecting unit detects, increase electric current, promote the cushion effect of damper 3, if the vibration that vibration detecting unit detects is little, reduce electric current, reduce the cushion effect of damper 3.
The application also has other embodiment, have a plurality of dampers as washing machine, each damper has fault detection unit, when breaking down, control module is prompted to the user to the label that is judged as the damper of fault by liquid crystal display so that maintenance, before the fault damper not being keeped in repair, start washing machine at every turn, at first washing machine points out the user by liquid crystal display; In addition, magnetometer and viscosimeter electromagnetic interference each other among each fault detection unit, both between the upper and lower every 5cm at least, and the operating interval to magnetometer and viscosimeter reading numerical values carries out, often read magnetometer and read viscosimeter once afterwards twice, read the interval at every turn and carried out in 10 seconds.
, can also stop washing operation, and control warning device and send sound and light signal, reminding user damper fault during based on the testing result of above-mentioned fault detection unit judgement damper fault when above-mentioned control module.
In sum, the utility model provides a kind of washing machine that can detect the damper fault, possesses shell, consists of the outward appearance of washing machine; By damper support tank in the enclosure, with the rotatable cylinder of the coaxial setting of tank; Damper, the vibration of the above-mentioned tank of decay; Control module is used for controlling the washing operation; This damper possesses axle, moves integratedly with above-mentioned tank; Hydraulic cylinder, its lower end is connected with outer casing bottom, and an end of axle stretches out from hydraulic cylinder; Coil is maintained at the inside of above-mentioned hydraulic cylinder, produces magnetic field by being energized; Yoke is arranged on the both sides of above-mentioned coil; And the magnetic viscosity fluid, be filled between above-mentioned axle and hydraulic cylinder, surround above-mentioned coil and above-mentioned yoke; Fault detection unit for detection of the fault of damper, is placed in bottom hydraulic cylinder; This fault detection unit comprises magnetometer and viscosimeter.Washing machine of the present utility model can detect the fault of the damper with magnetic viscosity fluid.And, even damper breaks down, also can guarantee the appropriate action of washing machine.
Claims (1)
1. one kind has the washing machine that detects damper fault function, possesses
Shell, the outward appearance of formation washing machine;
By damper support tank in the enclosure, with the rotatable cylinder of the coaxial setting of tank;
Damper, the vibration of the above-mentioned tank of decay;
Control module is used for controlling the washing operation;
It is characterized in that, this damper possesses:
Axle moves integratedly with above-mentioned tank;
Hydraulic cylinder, its lower end is connected with outer casing bottom, and an end of axle stretches out from hydraulic cylinder;
Coil is maintained at the inside of above-mentioned hydraulic cylinder, produces magnetic field by being energized;
Yoke is arranged on the both sides of above-mentioned coil;
And the magnetic viscosity fluid, be filled between above-mentioned axle and hydraulic cylinder, surround above-mentioned coil and above-mentioned yoke;
Fault detection unit for detection of the fault of damper, is placed in bottom hydraulic cylinder;
This fault detection unit comprises magnetometer and viscosimeter;
Magnetometer is connected with viscosimeter and is connected with control module by circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220596381 CN202989569U (en) | 2012-11-13 | 2012-11-13 | Washing machine capable of detecting faults of dampers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220596381 CN202989569U (en) | 2012-11-13 | 2012-11-13 | Washing machine capable of detecting faults of dampers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989569U true CN202989569U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220596381 Expired - Fee Related CN202989569U (en) | 2012-11-13 | 2012-11-13 | Washing machine capable of detecting faults of dampers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202989569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912594A (en) * | 2012-11-13 | 2013-02-06 | 南通芯迎设计服务有限公司 | Washing machine capable of detecting damper faults |
| CN104404738A (en) * | 2014-12-19 | 2015-03-11 | 江苏新安电器有限公司 | Control system of intelligent washing machine |
-
2012
- 2012-11-13 CN CN 201220596381 patent/CN202989569U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912594A (en) * | 2012-11-13 | 2013-02-06 | 南通芯迎设计服务有限公司 | Washing machine capable of detecting damper faults |
| CN104404738A (en) * | 2014-12-19 | 2015-03-11 | 江苏新安电器有限公司 | Control system of intelligent washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131113 |