CN102817214B - A kind of drainage system and its control method for reducing washing machine drainage noise - Google Patents
A kind of drainage system and its control method for reducing washing machine drainage noise Download PDFInfo
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- CN102817214B CN102817214B CN201210280969.XA CN201210280969A CN102817214B CN 102817214 B CN102817214 B CN 102817214B CN 201210280969 A CN201210280969 A CN 201210280969A CN 102817214 B CN102817214 B CN 102817214B
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- washing machine
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Abstract
The invention discloses a kind of drainage system for reducing washing machine drainage noise, the draining pump water inlet pipe arranged including draining pump and thereon and draining water pump outlet pipe, between draining pump water inlet pipe and washing machine outer tube, condensate tank of dehumidifier is set, water level signal is transferred to condensate tank of dehumidifier the controller of outside, controller controls the real-time start and stop of draining pump, to ensure to remain full water state during laundry machine dehydration in draining pump.By arranging condensate tank of dehumidifier in washing machine drainage system, it is possible to achieve switch draining pump according to height of water level, it is to avoid in high speed dewatering, the vibrating noise of washing machine and the half-dried suction noise of draining pump are superimposed, and noise is disperseed, washing machine lower noise is made.Contrast prior art, this drainage system have the advantages that simple structure, noise are little, drainage efficiency is high, energy consumption is low.
Description
Technical field
The present invention relates to washing machine technology field, more particularly to a kind of drainage system for reducing washing machine drainage noise, with
And use the system to reduce the control method of drainage noise.
Background technology
Washing machine can produce very big noise in dehydration, and a portion reason is as draining pump is in draining
During occur it is half-dried suction cause noise to increase, this noise brings inconvenience to user.As shown in figure 1, existing wash
Clothing machine drainage system includes draining pump 04, and the draining pump water inlet pipe 04 connected with washing machine outer tube is provided with draining pump 04, with
And draining water pump outlet pipe 02, in conventional drainage procedure, draining pump 04 is normally opened.Its drainage principle is：Drainage procedure
After unlatching, draining pump 04 can be opened and closed by programme-control merely, and when draining pump 04 is opened, the water in outer tube is along draining pump
Water inlet pipe 01 is entered in draining pump 04, and drain pump impeller 03 at this moment is to open, by the rotation of drain pump impeller 03, will
Water 05 in draining pump 04 is by discharging in draining water pump outlet pipe 02.As the water in outer tube is reduced, the water 05 in draining pump 04
Also can be fewer and feweri, state as shown in Figure 2 just occurs, only a fraction water 05 in draining pump 04, draining water pump outlet pipe
02 can suck portion of air while water 05 is sucked, and cause draining pump 04 to produce larger noise, so as to affect whole to wash
Performance of the clothing machine in terms of noise.
In order to solve this problem, existing washing machine is improved in structure, but DeGrain, such as China
Patent documentation CN 1304469A are disclosed a kind of " reducing the washing machine of draining pump noise ", its improved structure be in draining pump and
By-pass hose is configured between scupper hose, when the water surface is reduced in cylinder, it can make remaining a small amount of water circulation in cylinder, so
Reduce the noise of the draining pump of washing machine.But this structure is to recycle due to water, and noise reduction is not obvious, and can make
The energy consumption of whole drainage procedure increases, and is unfavorable for energy-saving and emission-reduction.
Such as Chinese patent literature CN 201507484U discloses a kind of " the low noise pump case of drainage pump of washing machine " again, its
Mainly on the basis of the pump case including pump chamber, filter chamber and outlet composition, in the pump chamber near water outlet and filtration
An explosionproof hole is had additional on pump housing endophragm end face between room, then when draining pump is in " half water, half gas " stage, pump chamber
After interior remaining water and air mixing, in the presence of wheel rotation, some residual water is understood by anti-on pump housing endophragm
Blast hole " backflow " in filter chamber discharges periodic pressure outburst produced after remaining water and air mixing in pump chamber, enters
And noise of the drainage pump of washing machine in draining is reduced, this structure is not apparent to the effect for reducing draining pump noise.
The content of the invention
It is an object of the invention to solve the above problems, there is provided it is a kind of reduce washing machine drainage noise drainage system and its
Control method, which has the advantages that simple structure, noise are little, drainage efficiency is high, energy consumption is low, and which can not affect laundry
Machine dehydration completes the decomposition of noise, the noise in simple and effective reduction dehydration on the premise of drying.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of drainage system for reducing washing machine drainage noise, including draining pump and the draining pump water inlet pipe for arranging thereon
With draining water pump outlet pipe, it is provided for detecting the water of water level in draining pump between the draining pump water inlet pipe and washing machine outer tube
Water level signal is transferred to the controller of outside for level detecting apparatus, the condensate tank of dehumidifier, and the controller controls draining pump
Real-time start and stop, to ensure to remain full water state during laundry machine dehydration in draining pump.
Further, the fixed water tank of water storage, the fixed water are provided between the draining pump and washing machine outer tube
Case is connected with washing machine outer tube by outer tube drain pipe, and the condensate tank of dehumidifier is arranged in the fixed water tank.
Preferably, the condensate tank of dehumidifier is switch.
Preferably, the condensate tank of dehumidifier is sensor.
Further, the switch includes the float being arranged in the fixed water tank, inside the fixed water tank
Top arranges the switch button being connected with outside controller, and the density of the float is less than the density of water.
Further, the sensor is also corresponded in the fixed water tank water level stake is set, the position of the water level stake with
The draining pump full water water level is consistent.
Preferably, the lowest surfaces of the inner chamber of the fixed water tank are higher than draining pump water inlet inside pipe wall lowest surfaces, described
Inwall highest face of the highest face of the inner chamber of fixed water tank less than the draining pump.
A kind of control method of the drainage system for reducing washing machine drainage noise, including with the next stage：
The a stages：Washing terminates in drainage procedure, and after washing machine enters dehydration procedure, condensate tank of dehumidifier is to controller one
Individual normally opened signal, controller control draining pump carry out drainage works；
B-stage：In dehydration, condensate tank of dehumidifier is detected to water level, water level wanting less than condensate tank of dehumidifier
When asking, shutdown signal is passed to controller by condensate tank of dehumidifier, and controller control draining pump stops drainage works, when water level rises
To condensate tank of dehumidifier requirement when, open signal is passed to controller by condensate tank of dehumidifier, and controller control draining pump is carried out
Drainage works, so circulate, until washing machine dehydration procedure terminates.
Further, also including the c stages：After washing machine dehydration procedure terminates, controller individually controls draining pump unlatching
15s, so as to the remaining moisture of emptying.
Beneficial effects of the present invention are：By water level detecting dress is arranged between washing machine outer tube and draining pump water inlet pipe
Put, this condensate tank of dehumidifier can be by the signal transmission of water level to outside controller, and controller controls the start and stop of draining pump, so as to
Realize according to height of water level ON/OFF draining pump, it is to avoid the half-dried suction of the vibrating noise of washing machine and draining pump in high speed dewatering
The superposition of noise, noise is disperseed, and reduces the purpose of washing machine noise；By in washing machine outer tube and draining pump water inlet pipe
Between fixed water tank is set, and condensate tank of dehumidifier is set within it, while leading between fixed water tank and washing machine outer tube
Soft outer tube drain pipe connection is crossed, and so a stable liquid level can be provided for condensate tank of dehumidifier, to ensure that draining pump is pressed
As requested accurately starts and stops, and contrasts prior art, this drainage system has that simple structure, noise are little, drainage efficiency is high,
The low advantage of energy consumption.
Description of the drawings
Fig. 1 is the drainage system structural representation of existing washing machine；
Fig. 2 partly blots state diagram for Fig. 1's；
Fig. 3 is the structural representation of the drainage system of the reduction washing machine drainage noise described in embodiment one；
Fig. 4 is the float switch construction schematic diagram in Fig. 3；
Schematic flow sheets of the Fig. 5 for the control method of the drainage system of the described reduction washing machine drainage noise of Fig. 3.
In Fig. 1～2：
01st, draining pump water inlet pipe；02nd, draining water pump outlet pipe；03rd, drain pump impeller；04th, draining pump；05th, water；
In Fig. 3～4：
1st, outer tube drain pipe；2nd, switch；21st, float；22nd, switch button；
3rd, draining pump water inlet pipe；4th, draining water pump outlet pipe；5th, draining pump；6th, fixed water tank.
Specific embodiment
Embodiment one：
As shown in figs. 34, the drainage system of the reduction washing machine drainage noise described in this embodiment, including draining pump
5, draining pump 5 includes a draining pump water inlet pipe 3 and a draining water pump outlet pipe 4, in draining pump water inlet pipe 3 and washing machine outer tube
Between arrange one and fix water tank 6, this fixes, and switch 2 includes fixing 6 internal activity of water tank
The float 21 of setting, the density of float 21 are more than the density of water, and such float 21 can be with the water yield change in fixed water tank 6
Lifted, while the switch button 22 being connected with outside controller is arranged in 6 inner tip of fixed water tank.In order to
Ensure the normal work of whole drainage system, fix the lowest surfaces of inner chamber of water tank 6 herein higher than 3 inwall of draining pump water inlet pipe most
Bottom surface, the highest face of the inner chamber of fixed water tank 6 are less than the inwall highest face of draining pump 5.
Switch 2 is connected with the controller of outside, and controller controls the startup of draining pump 5 and quits work, float
Water level signal is transferred to switch 2 controller of outside, and controller controls the real-time start and stop of draining pump 5, to ensure that draining pump 5 exists
Full water state is remained during laundry machine dehydration, vibrating noise of the washing machine in high speed dewatering is further avoided with row
The superposition of the half-dried suction noise of water pump 5, reaches and disperses noise and reduce the purpose of washing machine noise.
Outer tube drain pipe 1 is set between fixed water tank 6 and washing machine outer tube simultaneously, this outer tube drain pipe 1 is that rubber is soft
Pipe.By fixed water tank is arranged between washing machine outer tube and draining pump water inlet pipe 3, and switch 2 is set within it,
Connected by soft outer tube drain pipe 1 between fixed water tank and washing machine outer tube simultaneously, so one can be provided for switch 2
Individual stable liquid level, to ensure that draining pump 5 accurately starts and stopping as requested.
As shown in figure 5, this reduces the control method of the drainage system of washing machine drainage noise, including with the next stage：
The a stages：Washing terminates in drainage procedure, and water enters along 1 Jing switches 2 of outer tube drain pipe and draining pump water inlet pipe 3
Discharged by draining water pump outlet pipe 4 after entering draining pump 5, as the water yield is larger when just starting, in switch 2 in a period of time
Float 21 is contacted with switch button 22 all the time, i.e., switch button 22 is in opening all the time, now switch
Open signal is passed to peripheral control unit PCB by button 22, and PCB then controls draining pump 5 and carries out drainage works；
B-stage：Water smoking, when water level is reduced to float 21 no longer to be contacted with switch button 22, switch
Button 22 is off, and at this moment shutdown signal is passed to controller by switch button 22, and controller then controls draining pump 5
Stop drainage works, after draining pump 5 stops drainage works, the water level in whole system can be gradually risen again, and in fixed water tank 6
Float 21 also due to the water yield in fixed water tank 6 increases toward floating, when float 21 is contacted with switch button 22, it is floating
Son switch 2 is in open mode again, so can enter above-mentioned drainage procedure again, so circulate, until washing machine dehydration procedure
Terminate；
The c stages：After washing machine dehydration procedure terminates, controller individually controls draining pump 5 and opens 15s, so as to emptying residue
Moisture.
Embodiment two：
The drainage system of the reduction washing machine drainage noise described in this embodiment, including draining pump, draining pump include one
Root draining pump water inlet pipe and a draining water pump outlet pipe, between draining pump water inlet pipe and washing machine outer tube arrange one and fix water
Case, this fixes in water tank and sensor is fixedly installed, and goes back respective sensor and arrange water level stake, the position of this water level stake in fixed water tank
Put and draining pump full water position consistency, and sensor is connected with the controller of outside, controller then directly controls draining pump
Start and quit work.Can so make sensor that water level is transferred directly to peripheral control unit, controller control draining pump
Start and stop in real time, to ensure that the water in draining pump remains full water state during laundry machine dehydration, further avoid washing
Clothing machine vibrating noise and half-dried suction noise of draining pump in high speed dewatering are superimposed, and reach and disperse noise and reduce laundry
The purpose of machine noise.
Outer tube drain pipe is set between fixed water tank and washing machine outer tube simultaneously, this outer tube drain pipe is plastic flexible pipe.
By connecting by soft outer tube drain pipe between fixed water tank and washing machine outer tube, so one can be provided for sensor
Stable liquid level, to ensure that draining pump accurately starts and stopping as requested.
This reduces the control method of the drainage system of washing machine drainage noise, including with the next stage：
The a stages：Washing terminates in drainage procedure, and water fixes water tank along outer tube drain pipe Jing and draining pump water inlet pipe enters row
Discharged by draining water pump outlet pipe after water pump, as the water yield is larger when just starting, the water level within a period of time in fixed water tank begins
It is higher than water level stake eventually, at this moment open signal is passed to controller by sensor, and controller then controls draining pump and carries out drainage works；
B-stage：In dehydration, when water level is reduced to the water level in fixed water tank less than water level stake, at this moment water level stake
Emerge, shutdown signal is then passed to controller by sensor, controller then controls draining pump and stops drainage works, and draining pump stops
Only after drainage works, the water level in whole system can be gradually risen again, and the water in fixed water tank can exceed water level stake, water level
After mark is not had by water logging, open signal is passed to controller by sensor, and controller controls draining pump again and carries out drainage works, so follows
Ring is until washing machine dehydration procedure terminates；
The c stages：After laundry machine dehydration terminates, controller individually controls draining pump and opens 15s, so as to the remaining water of emptying
Point.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the present invention by need not paying performing creative labour, these modes fall within
Within protection scope of the present invention.
Claims (9)
1. a kind of drainage system for reducing washing machine drainage noise, including draining pump and the draining pump water inlet pipe that arranges thereon and
Draining water pump outlet pipe, it is characterised in that be provided for detecting draining pump between the draining pump water inlet pipe and washing machine outer tube
Water level signal is transferred to the controller of outside, the controller for the condensate tank of dehumidifier of interior water level, the condensate tank of dehumidifier
The real-time start and stop of control draining pump, to ensure to remain full water state during laundry machine dehydration in draining pump.
2. it is according to claim 1 it is a kind of reduce washing machine drainage noise drainage system, it is characterised in that the draining
The fixed water tank of water storage is provided between pump and washing machine outer tube, the fixed water tank passes through outside outer tube drain pipe and washing machine
Cylinder connection, the condensate tank of dehumidifier are arranged in the fixed water tank.
3. it is according to claim 2 it is a kind of reduce washing machine drainage noise drainage system, it is characterised in that the water level
Detection means is switch.
4. it is according to claim 2 it is a kind of reduce washing machine drainage noise drainage system, it is characterised in that the water level
Detection means is sensor.
5. it is according to claim 3 it is a kind of reduce washing machine drainage noise drainage system, it is characterised in that the float
Switch includes the float being arranged in the fixed water tank, and the fixed water tank inner tip is arranged and is connected with outside controller
The switch button for connecing, the density of the float are less than the density of water.
6. it is according to claim 4 it is a kind of reduce washing machine drainage noise drainage system, it is characterised in that the fixation
The sensor is also corresponded in water tank water level stake is set, the position of the water level stake keeps one with the draining pump full water water level
Cause.
7. it is according to claim 5 it is a kind of reduce washing machine drainage noise drainage system, it is characterised in that the fixation
, higher than draining pump water inlet inside pipe wall lowest surfaces, the highest face of the inner chamber of the fixed water tank is low for the lowest surfaces of the inner chamber of water tank
In the inwall highest face of the draining pump.
8. it is a kind of as described in any one of claim 1-7 reduction washing machine drainage noise drainage system control method, its
It is characterised by, including with the next stage：
The a stages：Washing terminates in drainage procedure, and after washing machine enters dehydration procedure, condensate tank of dehumidifier is normal to controller one
The signal opened, controller control draining pump carry out drainage works；
B-stage：In dehydration, condensate tank of dehumidifier is detected to water level, when water level is less than the requirement of condensate tank of dehumidifier,
Shutdown signal is passed to controller by condensate tank of dehumidifier, and controller control draining pump stops drainage works；When water level rises to water
During the requirement of level detecting apparatus, open signal is passed to controller by condensate tank of dehumidifier, and controller control draining pump carries out draining
Work, so circulates, until washing machine dehydration procedure terminates.
9. control method according to claim 8, it is characterised in that also including the c stages：Washing machine dehydration procedure terminates
Afterwards, controller individually controls draining pump and opens 15s, so as to the remaining moisture of emptying.
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| CN201210280969.XA CN102817214B (en) | 2012-08-08 | 2012-08-08 | A kind of drainage system and its control method for reducing washing machine drainage noise |
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| CN201210280969.XA CN102817214B (en) | 2012-08-08 | 2012-08-08 | A kind of drainage system and its control method for reducing washing machine drainage noise |
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| CN102817214B true CN102817214B (en) | 2017-04-05 |
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| CN105442268A (en) * | 2014-06-27 | 2016-03-30 | 无锡小天鹅股份有限公司 | Washing machine |
| CN106811928A (en) * | 2015-11-30 | 2017-06-09 | 无锡小天鹅股份有限公司 | Washing machine and its water discharge control method |
| CN105926236B (en) * | 2016-05-19 | 2018-04-20 | 无锡小天鹅股份有限公司 | The dehydration controlling method and washing machine of washing machine |
| CN105951374A (en) * | 2016-06-30 | 2016-09-21 | 无锡小天鹅股份有限公司 | Washing machine as well as water drainage device and water drainage control method thereof |
| CN106400377A (en) * | 2016-08-30 | 2017-02-15 | 无锡小天鹅股份有限公司 | Method for controlling drainage of washing machine and washing machine |
| CN108330652A (en) * | 2017-01-19 | 2018-07-27 | 青岛海尔洗衣机有限公司 | A kind of drainage system and water discharge method of washing machine |
| CN107190481B (en) * | 2017-04-25 | 2020-02-21 | 无锡飞翎电子有限公司 | Washing machine and draining pump system thereof |
| CN108978119B (en) * | 2017-06-01 | 2022-05-06 | 青岛海尔洗衣机有限公司 | Dewatering method for washing machine |
| CN108866964A (en) * | 2018-09-03 | 2018-11-23 | 无锡好力泵业有限公司 | Drainage pump of washing machine without semi-load noise and the washing machine comprising it |
| CN112695492B (en) * | 2019-10-21 | 2022-04-15 | 无锡小天鹅电器有限公司 | Dehydration control method and device for clothes treatment device and storage medium |
| CN112877994A (en) * | 2021-01-04 | 2021-06-01 | 珠海格力电器股份有限公司 | Control method for reducing dewatering noise of washing machine |
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Effective date of registration: 20160530 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Drum Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Drum Washing Machine Co., Ltd. |
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