CN205258904U - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN205258904U CN205258904U CN201520970178.9U CN201520970178U CN205258904U CN 205258904 U CN205258904 U CN 205258904U CN 201520970178 U CN201520970178 U CN 201520970178U CN 205258904 U CN205258904 U CN 205258904U
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- draining
- washing machine
- cavity
- controller
- detection signal
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Abstract
The utility model discloses a washing machine, this washing machine include drain pump, drainage motor, drainage detection circuitry and controller, and wherein, the drainage motor is used for driving the drain pump, and the drain pump includes pump case and blade, including the water inlet on the pump case, set up the cavity in water inlet department, the cavity with the water inlet intercommunication, drainage detection circuitry includes first sense terminal and second sense terminal, and first sense terminal and second sense terminal are all in the cavity, and surface of water height in the cavity is greater than to be predetermine when high, and drainage detection circuitry switches on parallel growth in bank water detection signal, the controller is connected with drainage motor and drainage detection circuitry respectively for control the drainage motor according to the drainage detected signal. This washing machine can reduce the drainage noise, improves the noise quality.
Description
Technical field
The utility model belongs to electrical equipment manufacturing technology field, relates in particular to a kind of washing machine.
Background technology
Along with growth in the living standard, people are more and more higher to washing machine noise quality requirements, and the vibrating noise performance of machine has become the important indicator of washing machine quality. Current most roller washing machine is all upper draining, and when draining pump is when fully loaded and unloaded, noise is very little, can ignore, and still, when draining pump is during in semi-load, because the blade of draining pump is patted residual water, can produce very large noise. Noise is discontinuous, similar sound of puffing, and feels very poor acoustically.
In correlation technique, mostly the noise reduction of draining pump is by adding vibration isolator or increase block rubber or increase discharge orifice on blade in pump case between draining pump and the casing of washing machine, but, the problem of noise while all thering is no to solve from source draining pump semi-load, noise reduction is more limited.
Utility model content
The utility model is intended to solve at least to a certain extent one of technical problem in correlation technique. For this reason, the utility model need to propose a kind of washing machine, and this washing machine can reduce the noise of draining pump in the time of draining.
In order to address the above problem, the utility model proposes a kind of washing machine on the one hand, this washing machine comprises: the drain motor of draining pump and the described draining pump of driving, described draining pump comprises pump case and blade, on described pump case, comprise water inlet, in described water inlet, cavity is set, described cavity is communicated with described water inlet; Draining testing circuit, described draining testing circuit comprises the first test side and the second test side, described the first test side and described the second test side are all in described cavity, when water surface elevation in described cavity is greater than preset height, the conducting of described draining testing circuit also generates draining detection signal; Controller, described controller is connected with described drain motor and described draining testing circuit respectively, for described drain motor being controlled according to described draining detection signal.
According to washing machine of the present utility model, by the water inlet at draining pump, cavity is set, the first test side of draining testing circuit and the second test side are in cavity, when water surface elevation in cavity is greater than preset height, draining pump is in the time of full load condition, the conducting of draining testing circuit generates draining detection signal, and then controller is according to draining detection signal control drain motor, ensures that draining pump works when in full load condition, can reduce drainage noise, improve noise qualities.
Further, described draining testing circuit also comprises: power supply, and one end of described power supply is connected with described the first test side and the first output respectively, and described the first output is connected with described controller; By electric loading, described one end of electric loading and the other end of described power supply used is connected, and the described other end by electric loading is connected with described the second test side and the second output respectively, and described the second output is connected with described controller.
Particularly, described cavity and described pump case are one-body molded.
Particularly, described pump case is insulation shell.
Particularly, the height of described cavity is higher than the maximum height of described blade.
Particularly, described controller also for controlling described drain motor operation in the time described draining detection signal being detected, in the time described draining detection signal not detected, control described drain motor out of service, ensure that draining pump is in full load work, reduce drainage noise, shorten the working time of drain motor, save electric energy.
Particularly, described controller also for controlling described drain motor operation in the time described draining detection signal being detected, described draining detection signal do not detected and after Preset Time, control described drain motor out of service, ensure that draining pump is in full load work, reduce drainage noise, shorten the working time of drain motor, save electric energy.
Brief description of the drawings
Fig. 1 is according to the functional block diagram of the washing machine of an embodiment of the present utility model;
Fig. 2 is according to the connection diagram of the draining testing circuit of a specific embodiment of the present utility model; And
Fig. 3 is according to the flow chart of the water discharge control method of the washing machine of an embodiment of the present utility model;
Reference numeral:
Washing machine 100,
Draining pump 10, drain motor 20, draining testing circuit 30 and controller 40,
Pump case 11 and blade 12, cavity 13, the first test sides 1 and the second test side 2, the first outputs 3 and the second output 4, power supply 31 and by electric loading 32.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish. Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The washing machine and the water discharge control method thereof that propose according to the utility model embodiment are described with reference to the accompanying drawings.
First the washing machine of the utility model embodiment is described. Fig. 1 is the functional block diagram according to washing machine of the present utility model. As shown in Figure 1, this washing machine 100 comprises draining pump 10, drain motor 20, draining testing circuit 30 and controller 40. Controller 40 is connected with drain motor 20 and draining testing circuit 30 respectively.
Drain motor 20 is for driving draining pump 10, and draining pump 10 comprises pump case 11 and blade 12, on pump case 11, comprises water inlet, and cavity 13 is set in water inlet, and cavity 13 is communicated with water inlet. In actual applications, cavity 13 and pump case 11 can be one-body molded, and pump case 11 can be insulation shell, and for example, the material of cavity 13 and pump case 11 is all nonconducting plastics. Washing machine 100 is in the time carrying out draining, and washings enter draining pump 10 by water inlet, and similarly, washings enter in cavity 13, and the water surface elevation in cavity 13 can react the load capacity of draining pump 10.
Draining testing circuit 30 comprises the first test side 1 and the second test side 2, the first test side 1 and the second test side 2 are all in cavity 13, for example, as shown in Figure 2, introduce in cavity 13 on cavity 13 tops by two wires the first test side 1 of draining testing circuit 30 and the second test side 2, wire is not connected mutually, and the first test side 1 does not contact mutually with the second test side 2. When water surface elevation in cavity 13 is greater than preset height, the first test side 1 and the second test side 2 are connected, 30 conductings of draining testing circuit also generate draining detection signal, and wherein, preset height can be understood as the lower limit of the water surface elevation of draining pump 10 in full load cavity 13. For example, as shown in Figure 2, the first test side 1 and the second top of test side 2 in cavity 13, when the residual water liquid level in washing machine 100 is during higher than cavity 13 height, in cavity 13, fill water, 30 conductings of draining testing circuit also generate draining detection signal and for example detect curtage.
Controller 40 is controlled drain motor 20 according to draining detection signal. Particularly, in an embodiment of the present utility model, in the time draining detection signal being detected, be draining pump 10 in the time of full load condition, controller 40 is controlled drain motor 20 and is moved, in the time draining detection signal not detected, be that draining pump 10 is in half cargo condition or Light Condition, it is out of service that controller 40 is controlled drain motor 20, can reduce the working time of draining pump 10, saves electric energy. In another embodiment of the present utility model, in the time draining detection signal being detected, controller 40 is controlled drain motor 20 and is moved, and draining detection signal do not detected and after Preset Time, it is out of service that controller 40 is controlled drain motor 20. Can find out, when draining pump 10 is worked in full load condition, thereby can reduce drainage noise.
According to the washing machine 100 of the utility model embodiment, by cavity 13 being set at the water inlet of draining pump 10, the first test side 1 of draining testing circuit 30 and the second test side 2 are in cavity 13, when water surface elevation in cavity 13 is greater than preset height, draining pump 10 is in the time of full load condition, 30 conductings of draining testing circuit generate draining detection signal, and then controller 40 is according to draining detection signal control drain motor 20, guarantee draining pump 10 is worked when in full load condition, reduce drainage noise, improve the noise qualities of washing machine 100.
Further, draining testing circuit 30 can be made up of a light current circuit. As shown in Figure 2, draining testing circuit 30 also comprises for example battery of power supply 31 and with for example resistance of electric loading 32. One end of power supply 31 is connected with the first test side 1 and the first output 3 respectively, and the first output 3 is connected with controller 40. Be connected with the other end of power supply 31 with one end of electric loading 32, be connected respectively with the other end of electric loading 32 with the second test side 2 and the second output 4, the second output 4 is connected with controller 40. When the water surface in cavity 13 floods the first test side 1 and the second test side 2,30 conductings of draining testing circuit, output current signal, controller 40 can detect the current signal that this circuit produces.
Particularly, the height of cavity 13 is higher than the maximum height of blade 12. as shown in Figure 2, when the interior residual water liquid level of washing machine 100 is during higher than cavity 13 height, draining pump 10 is in full load condition, 30 conductings of draining testing circuit, controller 40 detects draining detection signal, sending instruction control drain motor 20 starts working, along with draining pump 10 is worked, residual water surface elevation constantly reduces, when liquid level is lower than cavity 13 height, when liquid level in cavity 13 is less than preset height, think that draining pump 10 is in half cargo condition, draining testing circuit 30 disconnects, controller 40 can't detect draining detection signal, send that instruction control drain motor 20 stops immediately or the time delay several seconds quits work.
Put it briefly, controller 40 carries out perception by draining testing circuit 30 to the water yield in draining pump 10, when draining pump 10 is during in full load condition, controlling draining pump 10 starts working, when draining pump 10 is during in half cargo condition, control draining pump 10 and quit work, thereby can 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 of the washing machine to the utility model embodiment describes, wherein, washing machine comprises draining pump, drain motor and draining testing circuit, wherein, draining pump comprises pump case and blade, on pump case, comprise water inlet, in water inlet, cavity is set, cavity is communicated with water inlet, draining testing circuit comprises the first test side and the second test side, the first test side and the second test side are all in cavity, when water surface elevation in cavity is greater than preset height, be that draining pump is in full load condition, the conducting of draining testing circuit also generates draining detection signal.
Fig. 3 is according to the flow chart of the water discharge control method of the washing machine of an embodiment of the present utility model, and as shown in Figure 3, this water discharge control method comprises the following steps:
S1, the controller of washing machine judges whether to detect draining detection signal.
S2, controller is controlled drain motor according to draining detection signal.
Particularly, in an embodiment of the present utility model, if draining detection signal detected, the operation of controller control drain motor, if draining detection signal do not detected, controller control drain motor is out of service.
Or, if draining detection signal detected, drain motor operation described in controller control, if draining detection signal do not detected, after Preset Time, controller control drain motor is out of service.
According to the water discharge control method of the washing machine of the utility model embodiment, when water surface elevation in cavity is greater than preset height, be that draining pump is in full load condition, the conducting of draining testing circuit also generates draining detection signal, controller is controlled drain motor according to draining detection signal, guarantee draining pump is worked when in full load condition, reduces drainage noise, improves the noise qualities of washing machine. In the time draining detection signal not detected, control immediately that drain motor stops or after Preset Time, controlling drain motor stops, can reducing the working time of drain motor, save electric energy.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic. Thus, at least one this feature can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ". In description of the present utility model, the implication of " multiple " is at least two, for example two, and three etc., unless otherwise expressly limited specifically.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description. In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example. And, specific features, structure, material or the feature of description can one or more embodiment in office or example in suitable mode combination. In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this description or example and different embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.
Claims (7)
1. a washing machine, is characterized in that, comprising:
The drain motor of draining pump and the described draining pump of driving, described draining pump comprises pump case and blade, on described pump case, comprises water inlet, in described water inlet, cavity is set, described cavity is communicated with described water inlet;
Draining testing circuit, described draining testing circuit comprises the first test side and the second test side, described the first test side and described the second test side are all in described cavity, when water surface elevation in described cavity is greater than preset height, the conducting of described draining testing circuit also generates draining detection signal; With
Controller, described controller is connected with described drain motor and described draining testing circuit respectively, for described drain motor being controlled according to described draining detection signal.
2. washing machine as claimed in claim 1, is characterized in that, described draining testing circuit also comprises:
Power supply, one end of described power supply is connected with described the first test side and the first output respectively, and described the first output is connected with described controller; With
By electric loading, described one end of electric loading and the other end of described power supply used is connected, and the described other end by electric loading is connected with described the second test side and the second output respectively, and described the second output is connected with described controller.
3. washing machine as claimed in claim 1, is characterized in that, described cavity and described pump case are one-body molded.
4. washing machine as claimed in claim 3, is characterized in that, described pump case is insulation shell.
5. washing machine as claimed in claim 1, is characterized in that, the height of described cavity is higher than the maximum height of described blade.
6. washing machine as claimed in claim 1, is characterized in that, described controller also, for control described drain motor operation in the time described draining detection signal being detected, is controlled described drain motor out of service in the time described draining detection signal not detected.
7. washing machine as claimed in claim 1, it is characterized in that, described controller also, for control described drain motor operation in the time described draining detection signal being detected, is not detecting described draining detection signal and after Preset Time, is controlling described drain motor out of service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970178.9U CN205258904U (en) | 2015-11-30 | 2015-11-30 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970178.9U CN205258904U (en) | 2015-11-30 | 2015-11-30 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205258904U true CN205258904U (en) | 2016-05-25 |
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ID=56000442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520970178.9U Active CN205258904U (en) | 2015-11-30 | 2015-11-30 | Washing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN205258904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2015
- 2015-11-30 CN CN201520970178.9U patent/CN205258904U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190808 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |
|
| TR01 | Transfer of patent right |