CN103852155A - Detection device and detection method for vibration noise of double-drum washing machine in dehydration stage - Google Patents
Detection device and detection method for vibration noise of double-drum washing machine in dehydration stage Download PDFInfo
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- CN103852155A CN103852155A CN201410059390.XA CN201410059390A CN103852155A CN 103852155 A CN103852155 A CN 103852155A CN 201410059390 A CN201410059390 A CN 201410059390A CN 103852155 A CN103852155 A CN 103852155A
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- 238000005406 washing Methods 0.000 title claims abstract description 94
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 230000018044 dehydration Effects 0.000 title claims description 11
- 238000006297 dehydration reaction Methods 0.000 title claims description 11
- 208000005156 Dehydration Diseases 0.000 title 1
- 238000000034 method Methods 0.000 claims description 11
- 230000000391 smoking effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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Abstract
The invention relates to a detection device and a detection method for vibration noise in a dewatering stage of a double-drum washing machine. The washing machine comprises a machine body, wherein a first washing barrel and a second washing barrel which are horizontally arranged in the machine body in the vertical direction are arranged in the machine body, the first washing barrel and the second washing barrel are fixed with the machine body through a first hanging mechanism and a second hanging mechanism, the first washing barrel and the second washing barrel are respectively controlled to rotate through a driving device, at least one three-dimensional unbalance sensor is respectively arranged in the first washing barrel and the second washing barrel, and the driving device and the three-dimensional unbalance sensor are respectively connected with a controller. According to the technical scheme, the three-dimensional unbalance sensors are respectively arranged in the first washing barrel and the second washing barrel, the three-dimensional unbalance sensors continuously detect the actual vibration quantity of the first washing barrel and the second washing barrel, and the vibration quantity is transmitted to the controller through the signal receiving and transmitting device for further analysis and judgment, so that the detection result of the detection device is accurate, and the problem of inaccuracy caused by traditional indirect measurement can be effectively solved.
Description
Technical field
The present invention relates to a kind of pick-up unit and detection method for Double-rotary drum washing machine water smoking vibrating noise.
Background technology
The vibrating noise in water smoking is the key point of washing machine performance boost always, traditional detection for washing tube vibratory output is the detection based on motor speed and then acquisition unbalance load amount mostly, this is a kind of indirect measurement method based on motor speed, and the structure of kinematic train all parts and the consistance of performance parameter can affect the accuracy of measurement, so be difficult to obtain the effect of good vibration and noise reducing.And Double-rotary drum washing machine is owing to having arranged two washing tubes at above-below direction, there is two washing tubes situation of High Rotation Speed simultaneously, and it is more complicated in Double-rotary drum washing machine structure, the consistance of its structure and performance parameters is more difficult to guarantee, control the vibratory output of washing tube so must adopt rational detection method, could effectively solve the vibrating noise problem of complete machine, to obtain good effect of vibration and noise reduction.
Summary of the invention
The object of the present invention is to provide a kind of pick-up unit for Double-rotary drum washing machine water smoking vibrating noise, this pick-up unit can continue to detect the actual vibration amount in washing tube, and pass to controller, this pick-up unit testing result is accurate, can effectively control the vibrating noise problem of complete machine.
For achieving the above object, the present invention has adopted following technical scheme: comprise fuselage, in fuselage, be provided with and be first, second horizontally disposed washing tube of above-below direction, first, second described washing tube fixes by first, second hitch and fuselage, first, second washing tube is respectively by its rotation of drive unit control, a uneven sensor of three-dimensional is at least set respectively in first, second described washing tube, and described drive unit and three-dimensional uneven sensor are connected with controller respectively.
The uneven sensor of described three-dimensional is connected with the input end of controller with transmitting device by signal reception, and the output terminal of controller is connected with drive unit.
As shown from the above technical solution, the present invention by arranging respectively three-dimensional uneven sensor in first, second washing tube, continued to detect the actual vibration amount of first, second washing tube by the uneven sensor of three-dimensional, and receive with transmitting device vibratory output is passed to controller for further analyzing judgement by signal, this pick-up unit testing result is accurate, can effectively solve the inaccurate problem that traditional indirect measurement brings.
Another object of the present invention is to provide a kind of detection method for Double-rotary drum washing machine water smoking vibrating noise, comprise the steps:
(1) three-dimensional uneven sensor continues to detect the actual vibration amount of first, second washing tube, and is received with transmitting device vibratory output is fed back to controller constantly by signal;
(2) controller carries out discriminatory analysis to the vibratory output of first, second washing tube obtaining, and as vibratory output exceedes default threshold value, and exceedes the default permission time, takes vibration reducing measure, and returns to step (1) and again detect; On the contrary, enter normal dehydration procedure.
In step (2), in the time that controller judges that the current vibratory output that only has a washing tube exceedes default threshold value and default permission time, this washing tube is taked to vibration reducing measure; When controller judgement is in the time that the vibratory output of the first two washing tube all exceedes default threshold value and default permission time, to after enter dehydration procedure washing tube take vibration reducing measure.
In step (2), described vibration reducing measure comprises and reduces the rotating speed of first, second washing tube or repeatedly low speed forward or reverse or the clothing broken up in first, second washing tube increase washing tube rotating speed again.
As shown from the above technical solution, this method can continue to detect according to the uneven sensor of three-dimensional the actual vibration amount of washing tube, and continue to feed back to controller, by controller according to the vibrating noise of this washing machine of actual motion state control of actual vibration amount and first, second washing tube, can accurately detect and control the vibration of washing tube, reduce two washing tubes time of high speed dewatering simultaneously, in guaranteeing complete machine dewatering efficiency, efficiently solve the vibrating noise problem that two washing tubes bring.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is system chart of the present invention;
Fig. 3 is process flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
A kind of pick-up unit for Double-rotary drum washing machine water smoking vibrating noise as shown in Figure 1 and Figure 2, comprise fuselage 5, in fuselage 5, be provided with and be first, second horizontally disposed washing tube 1,2 of above-below direction, first, second washing tube 1,2 fixes by first, second hitch 3,4 and fuselage, first, second washing tube 1,2 is controlled its rotation by drive unit 30 respectively, first, second washing tube 1,2 is interior at least arranges respectively a uneven sensor 6 of three-dimensional, and drive unit 30 and three-dimensional uneven sensor 6 are connected with controller 10 respectively.
Further, three-dimensional uneven sensor 6 is received with transmitting device 20 and is connected with the input end of controller 10 by signal, and the output terminal of controller 10 is connected with drive unit 30.
As shown in Figure 3, another object of the present invention is to provide a kind of detection method of above-mentioned detection device, comprises the steps:
(1) three-dimensional uneven sensor continues to detect the actual vibration amount of first, second washing tube, and is received with transmitting device vibratory output is fed back to controller constantly by signal;
(2) controller carries out discriminatory analysis to the vibratory output of first, second washing tube obtaining, and as vibratory output exceedes default threshold value, and exceedes the default permission time, takes vibration reducing measure, and returns to step (1) and again detect; On the contrary, enter normal dehydration procedure.
Further, in step (2), in the time that controller judges that the current vibratory output that only has a washing tube exceedes default threshold value and default permission time, this washing tube is taked to vibration reducing measure; When controller judgement is in the time that the vibratory output of the first two washing tube all exceedes default threshold value and default permission time, to after enter dehydration procedure washing tube take vibration reducing measure.
Controller is to obtain first, the vibratory output of the second washing tube carries out discriminatory analysis, as vibratory output exceedes default threshold value, and exceed the default permission time, here refer to when vibratory output exceedes default threshold value, need to there is a lasting time, be vibratory output continue exceed default threshold value, and exceed the default permission time and just think that the vibration of this washing tube exceedes allowed band, this is because in the water smoking, washing tube can be through the natural frequency point of vibration of washing machine before reaching maximum speed, vibratory output on natural frequency point is larger, rotating speed is put after vibration amount by natural frequency and can be reduced, so in the situation that continuing to detect, only have within a certain period of time continue detect that vibratory output exceedes predetermined threshold value and just can think that washing tube place rotating speed exceedes allowed band, the default permission time can be avoided rotating speed to reach resonance point Time Controller and judge the excessive situation of this washing tube vibratory output by accident.
Specifically, be that controller can judge that vibratory output that three-dimensional uneven sensor of a certain moment detects exceedes the quantity of the washing tube of allowed band, controller can be taked different vibration reducing measures according to above-mentioned quantity: in the time there is no the super scope of washing tube vibratory output, normally move dehydration procedure; In the time having and only have a super scope of washing tube vibratory output, this washing tube is taked to vibration reducing measure; In the time having the super scope of vibratory output of two washing tubes, to after enter dehydration procedure washing tube take vibration reducing measure.To after enter dehydration procedure washing tube take vibration reducing measure can guarantee that the washing tube first dewatering completes dehydration work fast, thereby reduce two washing tubes time of high speed dewatering simultaneously, in guaranteeing complete machine dewatering efficiency, obtain the effect of good vibration and noise reducing.
Further, in step (2), described vibration reducing measure comprises and reduces the rotating speed of first, second washing tube or repeatedly low speed forward or reverse or the clothing broken up in first, second washing tube increase washing tube rotating speed again.Employing vibration reducing measure so repeatedly, continues to monitor the vibratory output of first, second washing tube until the vibratory output of first, second washing tube is no more than the scope of permission.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (5)
1. the pick-up unit for Double-rotary drum washing machine water smoking vibrating noise, it is characterized in that: comprise fuselage (5), in fuselage (5), be provided be above-below direction horizontally disposed first, the second washing tube (1, 2), described first, the second washing tube (1, 2) by first, the second hitch (3, 4) fix with fuselage, first, the second washing tube (1, 2) control its rotation by drive unit (30) respectively, described first, the second washing tube (1, 2) a uneven sensor of three-dimensional (6) is at least set respectively in, described drive unit (30) and three-dimensional uneven sensor (6) are connected with controller (10) respectively.
2. pick-up unit according to claim 1, it is characterized in that: the described uneven sensor of three-dimensional (6) is received with transmitting device (20) and is connected with the input end of controller (10) by signal, and the output terminal of controller (10) is connected with drive unit (30).
3. for a detection method for Double-rotary drum washing machine water smoking vibrating noise pick-up unit, comprise the steps:
(1) three-dimensional uneven sensor continues to detect the actual vibration amount of first, second washing tube, and is received with transmitting device vibratory output is fed back to controller constantly by signal;
(2) controller carries out discriminatory analysis to the vibratory output of first, second washing tube obtaining, and as vibratory output exceedes default threshold value, and exceedes the default permission time, takes vibration reducing measure, and returns to step (1) and again detect; On the contrary, enter normal dehydration procedure.
4. detection method according to claim 3, is characterized in that: in step (2), in the time that controller judges that the current vibratory output that only has a washing tube exceedes default threshold value and default permission time, this washing tube is taked to vibration reducing measure; When controller judgement is in the time that the vibratory output of the first two washing tube all exceedes default threshold value and default permission time, to after enter dehydration procedure washing tube take vibration reducing measure.
5. detection method according to claim 3, it is characterized in that: in step (2), described vibration reducing measure comprises and reduces the rotating speed of first, second washing tube or repeatedly low speed forward or reverse or the clothing broken up in first, second washing tube increase washing tube rotating speed again.
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| CN201410059390.XA CN103852155A (en) | 2014-02-21 | 2014-02-21 | Detection device and detection method for vibration noise of double-drum washing machine in dehydration stage |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221268A (en) * | 2016-12-21 | 2018-06-29 | 青岛海尔滚筒洗衣机有限公司 | A kind of control method of multiple-roll washing machine |
| CN109753091A (en) * | 2017-11-07 | 2019-05-14 | 青岛海尔滚筒洗衣机有限公司 | Combine household electrical appliances anti-resonance control method and combination household electrical appliances |
| CN110160631A (en) * | 2018-05-18 | 2019-08-23 | 李文杰 | A weighted acoustic power level mensuration detects sanitary ware to the method for/draining noise |
| CN110195311A (en) * | 2018-02-26 | 2019-09-03 | 青岛海尔滚筒洗衣机有限公司 | A kind of dehydration controlling method and washing machine of more washing machines |
| CN111413096A (en) * | 2020-04-20 | 2020-07-14 | 厦门华夏国际电力发展有限公司 | Vibration protection system with high-temperature blocking function and method |
| CN112654741A (en) * | 2018-07-06 | 2021-04-13 | Lg电子株式会社 | Laundry treatment apparatus |
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| CN203745073U (en) * | 2014-02-21 | 2014-07-30 | 合肥荣事达三洋电器股份有限公司 | Detection device for vibration noise of double-drum washing machine in dehydration stage |
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| CN101195954A (en) * | 2006-12-08 | 2008-06-11 | 松下电器产业株式会社 | Washing machine |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11421365B2 (en) | 2016-12-21 | 2022-08-23 | Qingdao Haier Drum Washing Machine Co., Ltd. | Control method of multi-drum washing machine |
| CN108221268B (en) * | 2016-12-21 | 2020-05-01 | 青岛海尔滚筒洗衣机有限公司 | Control method of multi-drum washing machine |
| CN108221268A (en) * | 2016-12-21 | 2018-06-29 | 青岛海尔滚筒洗衣机有限公司 | A kind of control method of multiple-roll washing machine |
| CN109753091A (en) * | 2017-11-07 | 2019-05-14 | 青岛海尔滚筒洗衣机有限公司 | Combine household electrical appliances anti-resonance control method and combination household electrical appliances |
| CN109753091B (en) * | 2017-11-07 | 2023-03-28 | 青岛海尔洗涤电器有限公司 | Anti-resonance control method for combined household appliance and combined household appliance |
| CN110195311A (en) * | 2018-02-26 | 2019-09-03 | 青岛海尔滚筒洗衣机有限公司 | A kind of dehydration controlling method and washing machine of more washing machines |
| CN110195311B (en) * | 2018-02-26 | 2021-09-14 | 合肥海尔滚筒洗衣机有限公司 | Dehydration control method of multi-drum washing machine and washing machine |
| CN110160631A (en) * | 2018-05-18 | 2019-08-23 | 李文杰 | A weighted acoustic power level mensuration detects sanitary ware to the method for/draining noise |
| CN110160631B (en) * | 2018-05-18 | 2021-04-27 | 李文杰 | Method for detecting sanitary ware water supply/drainage noise by A weighting sound power level measurement method |
| CN112654741A (en) * | 2018-07-06 | 2021-04-13 | Lg电子株式会社 | Laundry treatment apparatus |
| CN112654741B (en) * | 2018-07-06 | 2023-12-19 | Lg电子株式会社 | Laundry treatment apparatus |
| US11952698B2 (en) | 2018-07-06 | 2024-04-09 | Lg Electronics Inc. | Laundry treatment machine |
| CN111413096B (en) * | 2020-04-20 | 2021-12-10 | 厦门华夏国际电力发展有限公司 | Vibration protection system with high-temperature blocking function and method |
| CN111413096A (en) * | 2020-04-20 | 2020-07-14 | 厦门华夏国际电力发展有限公司 | Vibration protection system with high-temperature blocking function and method |
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Address after: 230000 science and technology zone, Hefei, Anhui, No. 96 Applicant after: Whirlpool (China) Limited by Share Ltd Address before: 230000 science and technology zone, Hefei, Anhui, No. 96 Applicant before: Hefei Rongshida Sanyo Electric Co., Ltd. |
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Application publication date: 20140611 |