CN106811928A - Washing machine and its water discharge control method - Google Patents
Washing machine and its water discharge control method Download PDFInfo
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- CN106811928A CN106811928A CN201510862510.4A CN201510862510A CN106811928A CN 106811928 A CN106811928 A CN 106811928A CN 201510862510 A CN201510862510 A CN 201510862510A CN 106811928 A CN106811928 A CN 106811928A
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- Prior art keywords
- draining
- washing machine
- drain motor
- cavity
- detection signal
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a kind of washing machine, the washing machine includes draining pump, drain motor, draining detection circuit and controller, wherein, drain motor is used to drive draining pump, and draining pump includes pump case and blade, and water inlet is included on pump case, cavity is set in water inlet, cavity is connected with the water inlet；Draining detection circuit includes the first test side and the second test side, and the first test side and the second test side are in cavity, and when the water surface elevation in cavity is more than preset height, draining detection circuit turn-on simultaneously generates draining detection signal；Controller is connected with drain motor and draining detection circuit respectively, for being controlled to drain motor according to draining detection signal.The washing machine can reduce drainage noise, improve noise quality.The invention also discloses a kind of water discharge control method of washing machine.
Description
Technical field
The invention belongs to electrical equipment manufacturing technology field, more particularly to a kind of washing machine and washing machine water discharge control method.
Background technology
With the improvement of living standards, people to washing machine noise quality requirements more and more higher, the vibrating noise performance of machine is
Through the important indicator as washing machine quality.Current most roller washing machine is all upper draining, is fully loaded with when draining pump is in
During with zero load, noise very little can be ignored, but, when draining pump is in semi-load, because the blade of draining pump pats residual
Water, can produce very big noise.Noise is discontinuous, the similar sound puffed, and feels very poor acoustically.
In the related art, the noise reduction of draining pump mostly be by between draining pump and the casing of washing machine add vibration isolator or
Increase on blade block rubber or increases discharge orifice in pump case, but, all from source during solution draining pump semi-load
The problem of noise, noise reduction is than relatively limited.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention needs to carry
Go out a kind of washing machine, the washing machine can reduce noise of the draining pump in draining.
Another aspect of the present invention also proposes a kind of water discharge control method of washing machine, and the method can reduce drainage noise.
In order to solve the above problems, one aspect of the present invention proposes a kind of washing machine, and the washing machine includes：Draining pump and driving institute
The drain motor of draining pump is stated, the draining pump includes pump case and blade, water inlet is included on the pump case, in the water inlet
Cavity is set at mouthful, and the cavity is connected with the water inlet；Draining detects circuit, and the draining detection circuit includes first
Test side and the second test side, first test side and second test side are in the cavity, in the cavity
When interior water surface elevation is more than preset height, the draining detection circuit turn-on simultaneously generates draining detection signal；Controller, institute
State controller respectively with the drain motor and the draining detection circuit be connected, for according to the draining detection signal to institute
Drain motor is stated to be controlled.
Washing machine of the invention, cavity is set by the water inlet of draining pump, and draining detects the first test side of circuit
It is in cavity with the second test side, when the water surface elevation in cavity is that draining pump is in full load condition when being more than preset height,
Draining detection circuit turn-on generation draining detection signal, and then controller controls drain motor according to draining detection signal, it is ensured that
Draining pump works when in full load condition, can reduce drainage noise, improves noise qualities.
Further, the draining detection circuit also includes：Power supply, one end of the power supply respectively with first test side
Connected with the first output end, first output end is connected with the controller；With electric loading, one end of the use electric loading
The other end with the power supply is connected, and the other end of the use electric loading connects with second test side and the second output end respectively
Connect, second output end is connected with the controller.
Specifically, the cavity and the pump case are integrally formed.
Specifically, the pump case is insulation shell.
Specifically, maximum height of the height of the cavity higher than the blade.
Specifically, the controller is additionally operable to control the drain motor to run when the draining detection signal is detected,
It is not detected by controlling the drain motor out of service during the draining detection signal, it is ensured that draining pump works in full load, drop
Low drainage noise, shortens the working time of drain motor, saves electric energy.
Specifically, the controller is additionally operable to control the drain motor to run when the draining detection signal is detected,
The draining detection signal and after the preset lime is not detected by, controls the drain motor out of service, it is ensured that draining pump
In full load work, drainage noise is reduced, shorten the working time of drain motor, save electric energy.
In order to solve the above problems, another aspect of the present invention proposes a kind of water discharge control method of washing machine, wherein, it is described to wash
Clothing machine includes draining pump, drain motor and draining detection circuit, wherein, the draining pump includes pump case and blade, the pump
Include water inlet on shell, cavity is set in the water inlet, the cavity is connected with the water inlet, the draining detection
Circuit includes the first test side and the second test side, and first test side and second test side are in the cavity,
When water surface elevation in the cavity is more than preset height, the draining detection circuit turn-on simultaneously generates draining detection signal,
The water discharge control method is comprised the following steps：The controller of washing machine judges whether to detect the draining detection signal；Institute
Controller is stated to be controlled the drain motor according to the draining detection signal.
The water discharge control method of washing machine of the invention, when the water surface elevation in cavity is more than preset height, i.e. draining
Pump is in full load condition, and draining detection circuit turn-on simultaneously generates draining detection signal, and controller is according to draining detection signal to row
Hydroelectric machine is controlled, it is ensured that draining pump works when in full load condition, can reduce drainage noise, improves washing machine
Noise qualities.
Wherein, the controller is controlled according to the draining detection signal to the drain motor, specifically includes：If
The draining detection signal is detected, the controller controls the drain motor operation；And if it is not detected by the row
Water detection signal, the controller controls the drain motor out of service, it is ensured that draining pump works in full load, the row of reduction
Water noise, shortens the working time of drain motor, saves electric energy.
Wherein, the controller is controlled according to the draining detection signal to the drain motor, specifically includes：If
The draining detection signal is detected, the controller controls the drain motor operation；And if it is not detected by the row
Water detection signal, after the preset lime, the controller controls the drain motor out of service, it is ensured that draining pump is full
Worked during load, reduce drainage noise, shorten the working time of drain motor, save electric energy.
Brief description of the drawings
Fig. 1 is the functional block diagram of washing machine according to an embodiment of the invention；
Fig. 2 is the connection diagram of the draining detection circuit of a specific embodiment of the invention；And
Fig. 3 is the flow chart of the water discharge control method of washing machine according to an embodiment of the invention；
Reference：
Washing machine 100,
Draining pump 10, drain motor 20, draining detection circuit 30 and controller 40,
Pump case 11 and blade 12, cavity 13, the first test side 1 and the second test side 2, the first output end 3 and second are defeated
Go out end 4, power supply 31 and with electric loading 32.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein identical from start to finish
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The washing machine and its water discharge control method for proposing according to embodiments of the present invention are described with reference to the accompanying drawings.
Washing machine first to the embodiment of the present invention is illustrated.Fig. 1 is the functional block diagram of washing machine of the invention.
As shown in figure 1, the washing machine 100 includes draining pump 10, drain motor 20, draining detection circuit 30 and controller 40.
Controller 40 is connected with drain motor 20 and draining detection circuit 30 respectively.
Drain motor 20 is used to drive draining pump 10, and draining pump 10 includes pump case 11 and blade 12, include on pump case 11 into
The mouth of a river, cavity 13 is set in water inlet, and cavity 13 is connected with water inlet.In actual applications, cavity 13 and pump case 11
Can be integrally formed, pump case 11 can be insulation shell, for example, the material of cavity 13 and pump case 11 is all nonconducting plastics.
When draining is carried out, washings enter draining pump 10 to washing machine 100 by water inlet, and similarly, washings enter cavity 13
Interior, the water surface elevation in cavity 13 can react the load capacity of draining pump 10.
Draining detection circuit 30 includes the first test side 1 and the second test side 2, and the first test side 1 and the second test side 2 are equal
In cavity 13, for example, as shown in Fig. 2 the first test side 1 of draining detection circuit 30 and the second test side 2 lead to
Cross two wires to be introduced in cavity 13 on the top of cavity 13, wire is mutually not attached to, the first test side 1 and the second test side 2
It is not in contact with each other.When water surface elevation in cavity 13 is more than preset height, the first test side 1 is connected with the second test side 2,
Draining detection circuit 30 is turned on and generates draining detection signal, wherein, preset height can be understood as draining pump 10 and be in completely
The lower limit of water surface elevation during load in cavity 13.For example, as shown in Fig. 2 at the first test side 1 and the second test side 2
Top in cavity 13, when the residual water level in washing machine 100 is higher than 13 height of cavity, water is filled in cavity 13,
Draining detection circuit 30 is turned on and generates draining detection signal and for example detects curtage.
Controller 40 is controlled according to draining detection signal to drain motor 20.Specifically, in one of the invention implementation
In example, when draining detection signal is detected, i.e., when draining pump 10 is in full load condition, the control drain motor of controller 40
20 operations, when draining detection signal is not detected by, i.e., draining pump 10 is in half cargo condition or Light Condition, controller 40
Control drain motor 20 is out of service, it is possible to reduce the working time of draining pump 10, saves electric energy.Of the invention another
In individual embodiment, when draining detection signal is detected, the control drain motor 20 of controller 40 runs, in the row of being not detected by
Water detection signal and after the preset lime, the control drain motor 20 of controller 40 is out of service.As can be seen that draining pump
Full load condition is in during 10 work, such that it is able to reduce drainage noise.
Washing machine 100 according to embodiments of the present invention, cavity 13, draining detection electricity are set by the water inlet of draining pump 10
In cavity 13, the water surface elevation in cavity 13 is more than default height for first test side 1 on road 20 and the second test side 2
When i.e. draining pump 10 is in full load condition when spending, the draining detection conducting generation draining detection signal of circuit 20, and then controller
40 control drain motor 20 according to draining detection signal, it is ensured that draining pump 10 works when in full load condition, reduce draining
Noise, improves the noise qualities of washing machine 100.
Further, draining detection circuit 30 can be made up of a light current circuit.As shown in Fig. 2 draining detection electricity
Road 30 also includes such as battery of power supply 31 and with such as resistance of electric loading 32.Detected with first respectively one end of power supply 31
The output end 3 of end 1 and first is connected, and the first output end 3 is connected with controller 40.One end and power supply 31 with electric loading 32
The other end connection, be connected with the second test side 2 and the second output end 4 respectively with the other end of electric loading 32, second output
End 4 is connected with controller 40.When the water surface in cavity 13 floods the first test side 1 and the second test side 2, draining inspection
Slowdown monitoring circuit 30 is turned on, output current signal, and controller 40 can detect the current signal of circuit generation.
Specifically, maximum height of the height of cavity 13 higher than blade 12.As shown in Fig. 2 when residual in washing machine 100
When water level is higher than 13 height of cavity, draining pump 10 is in full load condition, and draining detection circuit 30 is turned on, controller 40
Draining detection signal is detected, instruction control drain motor 20 is sent and is started working, as draining pump 10 works, residual water
Face height is constantly reduced, when liquid level is less than the height of cavity 13, when the liquid level in cavity 13 is less than preset height, it is believed that
Draining pump 10 is in half cargo condition, and draining detection circuit 30 disconnects, and controller 40 can't detect draining detection signal, send
Instruction control drain motor 20 stops immediately or the time delay several seconds is stopped.
Put it briefly, controller 40 detects that circuit 30 is perceived to the water in draining pump 10 by draining, works as draining pump
10 in full load condition when, control draining pump 10 start working, when draining pump 10 be in half cargo condition when, control draining pump
10 are stopped, and such that it is able to reduce drainage noise, reduce the working time of draining pump 10, save electric energy.
Based on the washing machine of above-mentioned aspect embodiment, the water discharge control method to the washing machine of the embodiment of the present invention is illustrated,
Wherein, washing machine includes draining pump, drain motor and draining detection circuit, wherein, draining pump includes pump case and blade, pump
Include water inlet on shell, cavity is set in water inlet, cavity is connected with water inlet, draining detection circuit includes the first detection
End and the second test side, the first test side and the second test side are in cavity, and the water surface elevation in cavity is more than default
During height, i.e., draining pump is in full load condition, and draining detection circuit turn-on simultaneously generates draining detection signal.
Fig. 3 is the flow chart of the water discharge control method of washing machine according to an embodiment of the invention, as shown in figure 3, should
Water discharge control method is comprised the following steps：
S1, the controller of washing machine judges whether to detect draining detection signal.
S2, controller is controlled according to draining detection signal to drain motor.
Specifically, in one embodiment of the invention, if detecting draining detection signal, controller control drain motor
Operation, if being not detected by draining detection signal, controller control drain motor is out of service.
Or, if detecting draining detection signal, controller controls the drain motor operation, if being not detected by draining
Detection signal, after the preset lime, controller control drain motor is out of service.
The water discharge control method of washing machine according to embodiments of the present invention, when the water surface elevation in cavity is more than preset height,
I.e. draining pump is in full load condition, and draining detection circuit turn-on simultaneously generates draining detection signal, and controller is detected according to draining to be believed
Number drain motor is controlled, it is ensured that draining pump works when in full load condition, reduces drainage noise, improve washing machine
Noise qualities.When draining detection signal is not detected by, drain motor is controlled to stop or control after the preset lime immediately
Drain motor processed stops, it is possible to reduce the working time of drain motor, saves electric energy.
It should be noted that any process described otherwise above in flow chart or herein or method description are construed as,
Expression include it is one or more for realizing specific logical function or process the step of executable instruction code module,
Fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not by shown or
The order of discussion, including function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this
Should be understood by embodiments of the invention person of ordinary skill in the field.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered for reality
The order list of the executable instruction of existing logic function, in may be embodied in any computer-readable medium, for instruction
Execution system, device or equipment (such as computer based system, including the system of processor or other can be performed from instruction
The system of system, device or equipment instruction fetch and execute instruction) use, or with reference to these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating
Or transmission procedure is used for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Device.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With one or more cloth
The electrical connection section (electronic installation) of line, portable computer diskette box (magnetic device), random access memory (RAM) is read-only
Memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and it is portable
Compact disc read-only memory (CDROM).In addition, computer-readable medium can even is that the paper that can thereon print described program
Or other suitable media, because optical scanner for example can be carried out by paper or other media, then enter edlin, solution
Translate or if necessary processed with other suitable methods and electronically obtain described program, be then stored in computer
In memory.
It should be appreciated that each several part of the invention can be realized with hardware, software, firmware or combinations thereof.In above-mentioned reality
In applying mode, software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage or
Firmware is realized.If for example, realized with hardware, and in another embodiment, can be with well known in the art
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA) is existing
Field programmable gate array (FPGA) etc..
Those skilled in the art be appreciated that to realize all or part of step that above-described embodiment method is carried is can
Completed with the hardware that correlation is instructed by program, described program can be stored in a kind of computer-readable recording medium,
The program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, in the description of the invention, " multiple " is meant that at least two, such as two, three etc., unless otherwise
It is clearly specific to limit.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. mean to combine the specific features of the embodiment or example description, structure, material or
Feature is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, ability
The technical staff in domain can enter the feature of the different embodiments or example described in this specification and different embodiments or example
Row is combined and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (10)
1. a kind of washing machine, it is characterised in that including：
The drain motor of draining pump and the driving draining pump, the draining pump includes pump case and blade, includes on the pump case
Water inlet, cavity is set in the water inlet, and the cavity is connected with the water inlet；
Draining detects circuit, and draining detection circuit includes the first test side and the second test side, first test side and
Second test side is in the cavity, when the water surface elevation in the cavity is more than preset height, the draining
Detection circuit turn-on simultaneously generates draining detection signal；With
Controller, the controller is connected with the drain motor and draining detection circuit respectively, for according to the row
Water detection signal is controlled to the drain motor.
2. washing machine as claimed in claim 1, it is characterised in that the draining detection circuit also includes：
Power supply, one end of the power supply is connected with first test side and the first output end respectively, first output end with
The controller connection；With
With electric loading, one end of the use electric loading is connected with the other end of the power supply, the other end point of the use electric loading
It is not connected with second test side and the second output end, second output end is connected with the controller.
3. washing machine as claimed in claim 1, it is characterised in that the cavity and the pump case are integrally formed.
4. washing machine as claimed in claim 3, it is characterised in that the pump case is insulation shell.
5. washing machine as claimed in claim 1, it is characterised in that the height of the cavity is high higher than the highest of the blade
Degree.
6. washing machine as claimed in claim 1, it is characterised in that the controller is additionally operable to detecting the draining inspection
Control the drain motor to run when surveying signal, control the drain motor to stop when the draining detection signal is not detected by
Operation.
7. washing machine as claimed in claim 1, it is characterised in that the controller is additionally operable to detecting the draining inspection
Control the drain motor to run when surveying signal, be not detected by the draining detection signal and after the preset lime, control
The drain motor is out of service.
8. a kind of water discharge control method of washing machine, it is characterised in that the washing machine includes draining pump, drain motor and row
Water detects circuit, wherein, the draining pump includes pump case and blade, water inlet is included on the pump case, in the water inlet
Place sets cavity, and the cavity is connected with the water inlet, and the draining detection circuit includes the first test side and the second detection
End, first test side and second test side are in the cavity, and the water surface elevation in the cavity is more than
During preset height, the draining detection circuit turn-on simultaneously generates draining detection signal, and the water discharge control method includes following step
Suddenly：
The controller of washing machine judges whether to detect the draining detection signal；And
The controller is controlled according to the draining detection signal to the drain motor.
9. the water discharge control method of washing machine as claimed in claim 8, it is characterised in that the controller is according to the row
Water detection signal is controlled to the drain motor, specifically includes：
If detecting the draining detection signal, the controller controls the drain motor operation；And
If being not detected by the draining detection signal, the controller controls the drain motor out of service.
10. the water discharge control method of washing machine as claimed in claim 8, it is characterised in that the controller is according to
Draining detection signal is controlled to the drain motor, specifically includes：
If detecting the draining detection signal, the controller controls the drain motor operation；And
If being not detected by the draining detection signal, after the preset lime, the controller controls the drain motor to stop
Only run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510862510.4A CN106811928A (en) | 2015-11-30 | 2015-11-30 | Washing machine and its water discharge control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510862510.4A CN106811928A (en) | 2015-11-30 | 2015-11-30 | Washing machine and its water discharge control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106811928A true CN106811928A (en) | 2017-06-09 |
Family
ID=59107064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510862510.4A Pending CN106811928A (en) | 2015-11-30 | 2015-11-30 | Washing machine and its water discharge control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106811928A (en) |
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| CN203159993U (en) * | 2013-03-25 | 2013-08-28 | 美的集团股份有限公司 | Garment steamer and garment steamer control device with water level detecting function |
| CN205258904U (en) * | 2015-11-30 | 2016-05-25 | 无锡小天鹅股份有限公司 | Washing machine |
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Patent Citations (5)
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|---|---|---|---|---|
| KR100561175B1 (en) * | 2003-11-17 | 2006-03-15 | 에이디반도체(주) | Multiple-stage liquid level sensor |
| CN201809649U (en) * | 2010-06-10 | 2011-04-27 | 海尔集团公司 | Cylinder clothes dryer and water level switch thereof |
| CN102817214A (en) * | 2012-08-08 | 2012-12-12 | 海尔集团公司 | Drainage system capable of lowering drainage noise of washing machine and control method thereof |
| CN203159993U (en) * | 2013-03-25 | 2013-08-28 | 美的集团股份有限公司 | Garment steamer and garment steamer control device with water level detecting function |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190806 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Applicant after: Wuxi Little Swan Electric Co.,Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Applicant before: WUXI LITTLE SWAN Co.,Ltd. |
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Application publication date: 20170609 |
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| RJ01 | Rejection of invention patent application after publication |