CN103114421A - Device and method thereof for detecting water level height of pulsator washing machine - Google Patents
Device and method thereof for detecting water level height of pulsator washing machine Download PDFInfo
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- CN103114421A CN103114421A CN2013100291854A CN201310029185A CN103114421A CN 103114421 A CN103114421 A CN 103114421A CN 2013100291854 A CN2013100291854 A CN 2013100291854A CN 201310029185 A CN201310029185 A CN 201310029185A CN 103114421 A CN103114421 A CN 103114421A
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Abstract
The invention relates to a device and a method of the device for detecting the water level height of a pulsator washing machine. The device comprises a Hall sensor which is arranged on an outer wall of an outer drum. A magnetic floating device which is capable of lifting along with the water level of the washing machine is arranged on an inner wall of the outer drum, the Hall sensor is communicated with the magnetic floating device at a corresponding position, and the Hall sensor is connected with a controller. The technical scheme indicates that the Hall sensor is arranged on the outer wall of the outer drum, and the magnetic floating device which is capable of lifting along with the water level is arranged on the corresponding position on the inner wall of the outer drum. Along with the raising of the water level in the washing machine, the magnetic floating device is communicated with the Hall sensor at different height. Signals are output from the Hall sensor to the controller, and then judgment of the water level height is made by the controller. The device is accurate in judgment, free from influences of factors of the temperature and tightness and high in stability.
Description
Technical field
The present invention relates to rotary drum washing machine, relate to specifically a kind of device and detection method thereof that detects the rotary drum washing machine height of water level.
Background technology
At present, on market, the condensate tank of dehumidifier of rotary drum washing machine is mostly to connect an oscillator with a flexible pipe, oscillator can change with the variation of gas pressure in flexible pipe, compare judgement (the MCU medium size has set water level corresponding to different frequency in advance) by different frequencies of oscillation being sent to MCU again, different like this water levels causes the air pressure in flexible pipe different, the water level frequency that closely is transferred in MCU is also different, thereby reaches the purpose of judgement water level.But such device easily is subject to the interference such as temperature, sealing, and accuracy and stability are affected.
Summary of the invention
The object of the present invention is to provide a kind of device that detects the rotary drum washing machine height of water level, this device performance is stable, is not subjected to the interference of temperature and sealing.
For achieving the above object, the present invention has adopted following technical scheme: comprise the Hall element that is arranged on the outer barrel outer wall, described outer barrel inwall is provided with can be with the magnetic buoyant device of water level of washing machine lifting, in corresponding position conducting, described Hall element is connected with controller described Hall element with the magnetic buoyant device.
Described Hall element comprises the first Hall element that is arranged on outer barrel bucket bottom and the second Hall element that is arranged on outer barrel bung place, at least be provided with the 3rd Hall element between described first, second Hall element, described first, second, third Hall element is vertical layout, and the center line of each sensor matches.
Described magnetic buoyant device comprises ball float, and the inside of ball float is provided with permanent magnet.
Described outer barrel inwall is provided with and limits ball float with the different gathering sills that move up and down of water level height, and described gathering sill is arranged on first, second, third Hall element corresponding position, and described gathering sill is communicated with outer barrel.
Described gathering sill is vertical and arranges, its both sides cell wall and outer barrel inwall fix, the two ends up and down of gathering sill are respectively near the bung of outer barrel and the bucket end, and the gap is left in the two ends up and down of gathering sill and the bung of outer barrel and a barrel bottom, and the bottom land of gathering sill is provided with the hole that can supply outer barrel to be communicated with cell wall.
Described the 3rd Hall element arranges a plurality of, and a plurality of the 3rd Hall elements are distributed between first, second Hall element.
As shown from the above technical solution, the present invention is by arranging Hall element on the outer barrel outer wall, arrange in outer barrel inwall corresponding position can following water-level lifting the magnetic buoyant device, the magnetic buoyant device is along with the rising of washing machine water level, be conducted at differing heights and Hall element respectively, Hall element outputs signal to controller, and near and controller is made the judgement of water level height; This device judgement is accurate, and is not subjected to the impact of temperature and sealing factor, and stability is high.
Another object of the present invention is to provide a kind of detection method that detects the device of rotary drum washing machine height of water level, the method comprises the steps:
(1) washing machine powers on;
(2) controller judges whether conducting of Hall element;
(3) if the Hall element conducting, controller judges that by corresponding A/D value whether the current water level of washing machine satisfies the washing requirement, if satisfy, enters lower link program, otherwise selects to intake or draining according to A/D value, until next Hall conducting;
(4) if not conducting of Hall element, the current water level of looking washing machine is lowest water level, washing machine inflow is until next Hall conducting;
(5) after next Hall conducting, return to controller and rejudge the A/D value.
As shown from the above technical solution, detection method provided by the invention can effectively detect the water level in washing machine, can undetected false retrieval, and accuracy and stability are high.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is FB(flow block) of the present invention.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing:
A kind of device that detects the rotary drum washing machine height of water level as shown in Figure 1, comprise the Hall element 2 that is arranged on outer barrel 1 outer wall, outer barrel 1 inwall is provided with can be with the magnetic buoyant device 3 of water level of washing machine lifting, in corresponding position conducting, Hall element 2 is connected with controller Hall element 2 with magnetic buoyant device 3.
Further, the second Hall element 22 that Hall element 2 comprises the first Hall element 21 that is arranged on outer barrel 1 barrel of bottom and is arranged on outer barrel 1 bung place, at least be provided with the 3rd Hall element 23 between first, second Hall element 21,22, first, second, third Hall element 21,22,23 is vertical layout, namely first, second, third Hall element 21,22,23 is a column distribution, and the center line of each sensor matches.
Further, magnetic buoyant device 3 comprises ball float, and the inside of ball float is provided with permanent magnet.
Further, outer barrel 1 inwall is provided with and limits ball float with the different gathering sills 4 that move up and down of water level height, gathering sill 4 is arranged on first, second, third Hall element 21,22,23 corresponding positions, and described gathering sill 4 is communicated with outer barrel 1, gathering sill 4 is connected with outer barrel 1 water in outer barrel 1 is entered in gathering sill 4, make the water level in gathering sill 4 mutually concordant with the water level in outer barrel 1, thereby ball float can be moved up and down with the difference of water level.
Further, gathering sill 4 is vertical and arranges, its both sides cell wall and outer barrel 1 inwall fix, the two ends up and down of gathering sill 4 are respectively near the bung of outer barrel 1 and the bucket end, and the gap is left in the two ends up and down of gathering sill 4 and the bung of outer barrel 1 and a barrel bottom, and the bottom land of gathering sill 4 is provided with the hole 41 that can supply outer barrel 1 to be communicated with cell wall.
Further, the 3rd Hall element 23 arranges a plurality of, and a plurality of the 3rd Hall elements 23 are distributed between first, second Hall element 21,22.During practical application, the number of the 3rd Hall element 23 can be set according to the difference of requirement water level precision.But first, second Hall element 21,22 must be in place, and prevents the undetected survey of water level of these two positions.
The present invention comes the height of perception water level of washing machine by the magnetic buoyant device, and makes controller judgement water level by the conducting of magnetic buoyant device and Hall element.Whole apparatus structure is simple, and is not subjected to the impact of the factors such as temperature, sealing, and precision and stability is high.
A kind of detection method that detects the device of rotary drum washing machine height of water level as shown in Figure 2 comprises the steps:
(1) washing machine powers on;
(2) controller judges whether conducting of Hall element;
(3) if the Hall element conducting, controller judges that by corresponding A/D value whether the current water level of washing machine satisfies the washing requirement, if satisfy, enters lower link program, otherwise selects to intake or draining according to A/D value, until next Hall conducting;
(4) if not conducting of Hall element, the current water level of looking washing machine is lowest water level, washing machine inflow is until next Hall conducting;
(5) after next Hall conducting, return to controller and rejudge the A/D value.
Concrete detection method is as follows:
Washing machine powers on, and judges whether conducting of Hall element this moment; If Hall element conducting, controller judges according to corresponding A/D value whether the current water level of washing machine satisfies the washing requirement, if satisfy enter next link program, if do not satisfy select water inlet or draining according to the A/D value, until next Hall element conducting; If Hall element does not have conducting, looking current water level is lowest water level, and washing machine inflow is until next Hall element conducting.In the situation that next Hall element conducting, then return and judge whether the A/D value satisfies washing requirement, i.e. repeating step (3).
Above-described embodiment is described the preferred embodiment of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away 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 claims of the present invention.
Claims (7)
1. device that detects the rotary drum washing machine height of water level, it is characterized in that: comprise the Hall element (2) that is arranged on outer barrel (1) outer wall, described outer barrel (1) inwall is provided with can be with the magnetic buoyant device (3) of water level of washing machine lifting, in corresponding position conducting, described Hall element (2) is connected with controller described Hall element (2) with magnetic buoyant device (3).
2. a kind of device that detects the rotary drum washing machine height of water level according to claim 1, it is characterized in that: described Hall element (2) comprises the first Hall element (21) that is arranged on outer barrel (1) bucket bottom and the second Hall element (22) that is arranged on outer barrel (1) bung place, described first, second Hall element is provided with the 3rd Hall element (23) between (21,22) at least, described first, second, third Hall element (21,22,23) is vertical layout, and the center line of each sensor matches.
3. a kind of device that detects the rotary drum washing machine height of water level according to claim 2, it is characterized in that: described magnetic buoyant device (3) comprises ball float, and the inside of ball float is provided with permanent magnet.
4. a kind of device that detects the rotary drum washing machine height of water level according to claim 3, it is characterized in that: described outer barrel (1) inwall is provided with and limits ball float with the different gathering sills (4) that move up and down of water level height, described gathering sill (4) is arranged on first, second, third Hall element (21,22,23) corresponding position, and described gathering sill (4) is communicated with outer barrel (1).
5. a kind of device that detects the rotary drum washing machine height of water level according to claim 4, it is characterized in that: described gathering sill (4) is vertical and arranges, its both sides cell wall and outer barrel (1) inwall fix, the two ends up and down of gathering sill (4) are respectively near the bung of outer barrel (1) and the bucket end, and the gap is left in the bung of the two ends up and down of gathering sill (4) and outer barrel (1) and a barrel bottom, and the bottom land of gathering sill (4) is provided with the hole (41) that can supply outer barrel (1) to be communicated with cell wall.
6. a kind of device that detects the rotary drum washing machine height of water level according to claim 2, it is characterized in that: described the 3rd Hall element (23) arranges a plurality of, and a plurality of the 3rd Hall elements (23) are distributed between first, second Hall element (21,22).
7. the detection method of the device of the described detection rotary drum washing machine of any one height of water level according to claim 1 to 6, the method comprises the steps:
(1) washing machine powers on;
(2) controller judges whether conducting of Hall element;
(3) if the Hall element conducting, controller judges that by corresponding A/D value whether the current water level of washing machine satisfies the washing requirement, if satisfy, enters lower link program, otherwise selects to intake or draining according to A/D value, until next Hall conducting;
(4) if not conducting of Hall element, the current water level of looking washing machine is lowest water level, washing machine inflow is until next Hall conducting;
(5) after next Hall conducting, return to controller and rejudge the A/D value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100291854A CN103114421A (en) | 2013-01-25 | 2013-01-25 | Device and method thereof for detecting water level height of pulsator washing machine |
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| CN2013100291854A CN103114421A (en) | 2013-01-25 | 2013-01-25 | Device and method thereof for detecting water level height of pulsator washing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264402A (en) * | 2015-05-11 | 2017-01-04 | 青岛海尔洗碗机有限公司 | The water level decision maker of a kind of wash mill and water level decision method |
| CN107036228A (en) * | 2015-10-30 | 2017-08-11 | Lg电子株式会社 | Air conditioner and control method thereof |
| CN108955830A (en) * | 2018-09-04 | 2018-12-07 | 西北农林科技大学 | A kind of channel water level real-time monitoring device |
| US10359204B2 (en) | 2015-10-30 | 2019-07-23 | Lg Electronics Inc. | Air conditioner and control method thereof |
| CN111058243A (en) * | 2019-12-24 | 2020-04-24 | 佛山海尔滚筒洗衣机有限公司 | Water level monitoring device and dispenser |
| CN113005719A (en) * | 2021-02-09 | 2021-06-22 | 珠海格力电器股份有限公司 | Water level detection device and pulsator washing machine |
| CN113089261A (en) * | 2021-03-19 | 2021-07-09 | 珠海格力电器股份有限公司 | Pulsator washing machine |
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| JPS59166195A (en) * | 1984-03-06 | 1984-09-19 | 松下電器産業株式会社 | Water level detector of washer |
| JPS62117591A (en) * | 1985-11-18 | 1987-05-29 | 株式会社東芝 | Water level measuring apparatus of washing machine |
| DE20009496U1 (en) * | 2000-05-26 | 2000-10-05 | Klare, Wilhelm H., 80689 München | Electric washing machines with a permanent magnetic device |
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| CN202370047U (en) * | 2011-12-15 | 2012-08-08 | 陈红举 | Liquid-level automatic control system of water tower |
| CN203174372U (en) * | 2013-01-25 | 2013-09-04 | 合肥荣事达三洋电器股份有限公司 | Device for detecting water level height of wave-wheel washing machine |
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2013
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Patent Citations (8)
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| JPS59166195A (en) * | 1984-03-06 | 1984-09-19 | 松下電器産業株式会社 | Water level detector of washer |
| JPS62117591A (en) * | 1985-11-18 | 1987-05-29 | 株式会社東芝 | Water level measuring apparatus of washing machine |
| DE20009496U1 (en) * | 2000-05-26 | 2000-10-05 | Klare, Wilhelm H., 80689 München | Electric washing machines with a permanent magnetic device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264402A (en) * | 2015-05-11 | 2017-01-04 | 青岛海尔洗碗机有限公司 | The water level decision maker of a kind of wash mill and water level decision method |
| CN107036228A (en) * | 2015-10-30 | 2017-08-11 | Lg电子株式会社 | Air conditioner and control method thereof |
| US10359204B2 (en) | 2015-10-30 | 2019-07-23 | Lg Electronics Inc. | Air conditioner and control method thereof |
| CN107036228B (en) * | 2015-10-30 | 2019-11-26 | Lg电子株式会社 | Air conditioner and control method thereof |
| CN108955830A (en) * | 2018-09-04 | 2018-12-07 | 西北农林科技大学 | A kind of channel water level real-time monitoring device |
| CN111058243A (en) * | 2019-12-24 | 2020-04-24 | 佛山海尔滚筒洗衣机有限公司 | Water level monitoring device and dispenser |
| CN113005719A (en) * | 2021-02-09 | 2021-06-22 | 珠海格力电器股份有限公司 | Water level detection device and pulsator washing machine |
| CN113089261A (en) * | 2021-03-19 | 2021-07-09 | 珠海格力电器股份有限公司 | Pulsator washing machine |
| CN113089261B (en) * | 2021-03-19 | 2021-11-16 | 珠海格力电器股份有限公司 | Pulsator washing machine |
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Address after: 230088 No. 96 science Avenue, hi tech Zone, Anhui, Hefei Applicant after: Whirlpool (China) Limited by Share Ltd Address before: 230088 No. 96 science Avenue, hi tech Zone, Anhui, Hefei Applicant before: Hefei Rongshida Sanyo Electric Co., Ltd. |
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Application publication date: 20130522 |