CN207537748U - For the draining pump working state detection device of washing machine - Google Patents
For the draining pump working state detection device of washing machine Download PDFInfo
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- CN207537748U CN207537748U CN201721377358.1U CN201721377358U CN207537748U CN 207537748 U CN207537748 U CN 207537748U CN 201721377358 U CN201721377358 U CN 201721377358U CN 207537748 U CN207537748 U CN 207537748U
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- draining pump
- washing machine
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Abstract
The utility model belongs to washing machine technology field, and in particular to a kind of draining pump working state detection device for washing machine.In order to avoid existing washing machine because can not learn draining pump working condition due to may caused by the situation damaged of the pump housing, the draining pump working state detection device of the utility model includes processing unit and flow sensor, and the flow sensor is connect with the processing unit；The flow sensor is used to detect washing machine water flow in the draining pump work, and the water flow signal detected is sent to the processing unit；Whether the processing unit judges the draining pump in normal operating conditions according to the water flow signal.The technical solution of the utility model can judge washing machine in drainage procedure in time, the working condition of draining pump, so as to avoid the draining pump situation that the pump housing damages caused by blocking.
Description
Technical field
The utility model belongs to washing machine technology field, and in particular to a kind of draining pump working condition for washing machine is examined
Survey device.
Background technology
Washing machine is the device that one kind can wash washings according to setting program (washing, rinsing, dehydration etc.),
Washing machine internal setting washing tube in be contained with washings, when washing terminate or need rinsing when, need by washings arrange to
It is external.At present, most of washing machines are all that draining is carried out by the way of upper draining, i.e., by draining pump by washing in washing tube
Water discharge is washed, such as centrifugal water discharge pump is rotated by centrifugal water discharge pump inner impeller, is discharged the washings in washing tube.
Since the draining pump of current washing machine is mostly using opened loop control, i.e., draining pump brings into operation after being powered, and does washing
The control unit of machine can not learn the working condition of draining pump.In this case, if drain pump impeller stall, can not draining, and
Draining pump is persistently powered, it is easy to lead to the damage of the pump housing.
Therefore, the utility model proposes a kind of new devices to solve the above problems.
Utility model content
In order to solve the above problem of the prior art, in order to avoid existing washing machine because that can not learn draining pump work
State and may caused by the pump housing damage situation, the utility model proposes a kind of draining pump working conditions for washing machine
Detection device, the detection device include processing unit, and the detection device further includes：Flow sensor, with the processing
Unit connects；The flow sensor is used to detect washing machine water flow in the draining pump work, and will detect
Water flow signal is sent to the processing unit；The processing unit judges the draining pump according to the water flow signal
Whether normal operating conditions is in.
Above-mentioned in the preferred embodiment of the draining pump working state detection device of washing machine, the detection device
It further includes：Water level sensor is connect with the processing unit；The water level sensor is used to detect the water level in washing tube,
And the water level signal detected is sent to the processing unit；The processing unit is according to the water flow signal and combines
Whether the water level signal judges the draining pump in normal operating conditions.
Above-mentioned in the preferred embodiment of the draining pump working state detection device of washing machine, the processing unit
It is configured to, when the water level signal is to have water outlet to have water and the water flow signal, judge that the processing unit judges institute
It is normal to state draining pump working condition；The processing unit is configured to when the water level signal is has water and water flow letter
Number for whether there is water outlet when, judge the draining pump working state abnormal.
Above-mentioned in the preferred embodiment of the draining pump working state detection device of washing machine, the level sensor
Device is arranged on washing bottom of the barrel.
Above-mentioned in the preferred embodiment of the draining pump working state detection device of washing machine, the flow sensing
Device is arranged on the water outlet of the draining pump.
Above-mentioned in the preferred embodiment of the draining pump working state detection device of washing machine, the flow sensing
Device is Hall sensor or ultrasonic sensor.
Above-mentioned in the preferred embodiment of the draining pump working state detection device of washing machine, the draining pump is
Centrifugal water discharge pump.
Above-mentioned in the preferred embodiment of the draining pump working state detection device of washing machine, the washing machine is
Rotary drum washing machine or roller washing machine.
In the technical solution of the utility model, washing machine is detected under draining pump working condition using flow sensor and gone out
The water flow at the mouth of a river judges the working condition of draining pump, i.e., under draining pump working condition, if can't detect washing machine water outlet
The water flow of mouth, then illustrate that draining pump is likely to block, continue that draining pump operation is made the pump housing may to be caused to damage at this time.In one kind
Preferably in scheme, signal that processing unit is sent according to flow sensor simultaneously judges with reference to the signal that water level sensor is sent
Whether draining pump works normally, so as to judge washing machine accurately and in time in drainage procedure, the work shape of draining pump
State, so as to avoid the draining pump situation that the pump housing damages caused by blocking.
Description of the drawings
The structure diagram of the draining pump working state detection device of Fig. 1 the utility model；
Fig. 2 is the fundamental diagram of the draining pump working state detection device of the utility model.
Specific embodiment
The preferred embodiment of the utility model described with reference to the accompanying drawings.It should be understood by those skilled in the art that
It is that these embodiments are used only for explaining the technical principle of the utility model, it is not intended that limit the protection of the utility model
Range.Although each component in attached drawing is drawn with special ratios, this proportionate relationship is only exemplary, this field
Technical staff can as needed make adjustment to it, to adapt to specific application scenario.
In the description of the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect " it should broadly understood, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can be machine
Tool is connected or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two members
Connection inside part.To those skilled in the art, above-mentioned term can be understood in the utility model as the case may be
In concrete meaning.
With reference first to Fig. 1, the structure diagram of the detection device of Fig. 1 the utility model.In the present embodiment, it is washed with impeller
For clothing machine, and the structure in Fig. 1 is merely to illustrate that the structure of the detection device of the utility model, thus is only to illustrate
Illustrate to property.In addition to this, the detection device of the utility model is equally applicable to roller washing machine.
As described in Figure 1, washing machine includes washing machine body 1, is set to the washing tube 2 of washing machine body 1 and for washing
Wash the draining pump 3 (preferably centrifugal water discharge pump) of water discharge.The draining pump working state detection device of the utility model includes
Processing unit 4 and flow sensor 5, wherein, flow sensor 5 is connect with processing unit 4.Specifically, when washing machine needs
During draining, start draining pump 3, at this point, flow sensor 5 is used to detect washing machine water flow, and will detect water flow
Signal is sent to processing unit 4, and whether processing unit 4 judges draining pump 3 in normal operating conditions according to water flow signal.
More specifically, when draining pump 3 works normally, when washing machine, is carved with water discharge, i.e., flow sensor 5 can detect water flow
Signal；Conversely, when processing unit 4 detect the water flow signal that receives be without water outlet (or without water flow signal), and
Draining pump is still being run, then is illustrated there may be blocking inside draining pump, and causes the water in washing tube that can not be discharged.
As described above, the utility model is judged in a manner that flow sensor 5 detects washing machine water flow signal
Whether draining pump can according to judging result perform corresponding operation in normal operating conditions, to avoid draining pump
Damage phenomenon caused by being run under blocked state.
Preferably, above-mentioned flow sensor 5 can be set to the water outlet of draining pump 3, so as in 3 operating status of draining pump
Under, the water flow discharged from draining pump 3 is monitored in real time.
Preferably, above-mentioned flow sensor 5 can be Hall sensor, ultrasonic sensor etc..
With continued reference to Fig. 1, in a preferred embodiment, the detection device of the utility model further includes water level sensor
6, it is connect with processing unit 4.The water level sensor 6 is used to detect the water level in washing tube 2, and the water level signal that will be detected
It is sent to processing unit 4.Specifically, water level sensor 6 is arranged on the bottom of washing tube 2, when the water level of washing tube 2 is higher
When (being higher than water level sensor 6), the water level signal that water level sensor 6 detects is has water in washing tube 2；When the water of washing tube 2
During position relatively low (being less than water level sensor 6), the water level signal that water level sensor 6 detects is anhydrous in washing tube 2.Processing unit
Whether 4 judge draining pump 3 in normal operating conditions according to the water level signal and water flow signal that receive.
It is described in detail in the preferred embodiment with reference to Fig. 2, judges whether draining pump 3 is in normal operating conditions
Principle.
As shown in Fig. 2, processing unit 4 can receive the water level signal that flow sensor 5 sends and water level sensor 6 is sent out
Processing unit 4 is configured in the present embodiment by the water flow signal come：When water level signal is has water and water flow signal is
When having water outlet, judgement 3 working condition of draining pump is normal；When water level signal is to have anhydrous to have water and water flow signal, sentence
Determine 3 working state abnormal of draining pump.
In conclusion the technical solution of the utility model can judge washing machine in drainage procedure accurately and in time,
The working condition of draining pump 3, so as to avoid the draining pump situation that the pump housing damages caused by blocking.
So far, it has been combined preferred embodiment shown in the drawings and describes the technical solution of the utility model, still, this
Field technology personnel are it is easily understood that the scope of protection of the utility model is expressly not limited to these specific embodiments.
Without departing from the utility model principle under the premise of, those skilled in the art can make the relevant technologies feature equivalent change
Or replace, the technical solution after these are changed or replace it is fallen within the scope of protection of the utility model.
Claims (8)
1. a kind of draining pump working state detection device for washing machine, the detection device includes processing unit, feature
It is, the detection device further includes：
Flow sensor is connect with the processing unit；
The flow sensor is used to detect washing machine water flow in the draining pump work, and go out flow by what is detected
Amount signal is sent to the processing unit；
Whether the processing unit judges the draining pump in normal operating conditions according to the water flow signal.
2. the draining pump working state detection device according to claim 1 for washing machine, which is characterized in that the inspection
Device is surveyed to further include：
Water level sensor is connect with the processing unit；
The water level sensor is used to detect the water level in washing tube, and the water level signal detected is sent to the processing list
Member；
The processing unit judges whether the draining pump is according to the water flow signal and with reference to the water level signal
Normal operating conditions.
3. the draining pump working state detection device according to claim 2 for washing machine, which is characterized in that
The processing unit is configured to, when the water level signal is to have water outlet to have water and the water flow signal, judge institute
It is normal to state draining pump working condition；
It is no water outlet that the processing unit, which is configured to work as the water level signal to have water and the water flow signal, judges institute
State draining pump working state abnormal.
4. the draining pump working state detection device according to claim 2 for washing machine, which is characterized in that the water
Level sensor is arranged on washing bottom of the barrel.
5. the draining pump working state detection device according to claim 1 for washing machine, which is characterized in that the stream
Quantity sensor is arranged on the water outlet of the draining pump.
6. the draining pump working state detection device according to any one of claim 1 to 5 for washing machine, feature
It is, the flow sensor is Hall sensor or ultrasonic sensor.
7. the draining pump working state detection device according to any one of claim 1 to 5 for washing machine, feature
It is, the draining pump is centrifugal water discharge pump.
8. the draining pump working state detection device according to any one of claim 1 to 5 for washing machine, feature
It is, the washing machine is rotary drum washing machine or roller washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377358.1U CN207537748U (en) | 2017-10-24 | 2017-10-24 | For the draining pump working state detection device of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377358.1U CN207537748U (en) | 2017-10-24 | 2017-10-24 | For the draining pump working state detection device of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207537748U true CN207537748U (en) | 2018-06-26 |
Family
ID=62610865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721377358.1U Active CN207537748U (en) | 2017-10-24 | 2017-10-24 | For the draining pump working state detection device of washing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN207537748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760900A (en) * | 2020-12-14 | 2021-05-07 | 珠海格力电器股份有限公司 | Washing dewatering component and washing machine |
| WO2022042271A1 (en) * | 2020-08-27 | 2022-03-03 | 重庆海尔洗衣机有限公司 | Washing machine and control method therefor |
-
2017
- 2017-10-24 CN CN201721377358.1U patent/CN207537748U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022042271A1 (en) * | 2020-08-27 | 2022-03-03 | 重庆海尔洗衣机有限公司 | Washing machine and control method therefor |
| CN112760900A (en) * | 2020-12-14 | 2021-05-07 | 珠海格力电器股份有限公司 | Washing dewatering component and washing machine |
| CN112760900B (en) * | 2020-12-14 | 2022-03-08 | 珠海格力电器股份有限公司 | Washing dewatering component and washing machine |
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