CN1715494A - Drum washing machine and its foam detecting method - Google Patents
Drum washing machine and its foam detecting method Download PDFInfo
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- CN1715494A CN1715494A CN 200410019584 CN200410019584A CN1715494A CN 1715494 A CN1715494 A CN 1715494A CN 200410019584 CN200410019584 CN 200410019584 CN 200410019584 A CN200410019584 A CN 200410019584A CN 1715494 A CN1715494 A CN 1715494A
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Abstract
The drum type washing machine includes operation keys for the user to input operation command; water level detector to detect water level inside the drum; controller to judge the washed article amount based on the detected water level and to detect foam in the set frequency; and motor, heater and load driver driven based on the control signal from the controller. The present invention can detect foam accurately in the frequency determined on the washed article amount, so as to raise the washing performance.
Description
Technical field
The invention relates to washing machine, particularly be roller washing machine and foam detecting method thereof.
Background technology
Usually, washing machine operation is according to the washing of having set, and cleans and dehydration procedure is cleaned the device of washings, can be divided into according to mode of washing wheeled, stirring-type and tumbling-box washing machine.
Roller washing machine is after putting into washing agent and washings and washings in the cylinder, under the effect of the driving force of drive unit, the machine that utilizes the frictional force between cylinder and the washings to wash, have the damage of washings little, washings can not twine mutually and with the same clean result of hand washing.
Roller washing machine comprises as shown in Figure 1: fuselage 1; At the fixing washtub 2 of the inner utilization damper (not shown) of fuselage 1; Cylinder 3 is located at the inside of washtub 2 and drops into washings, and the driving force of accepting motor 10 is rotated, and finishes various washing procedures; Thermistor 4 detects the temperature of the washings that are supplied to cylinder 3 inside; Detergent box 5 is used to drop into washing agent; Be connected with detergent box 5, give in the cylinder washings are provided, or mixed the feed pipe 6 of the washings of washing agent in the detergent box 5; Discharge the drainpipe 7 of used washings in the washing procedure; Be connected the end of drainpipe 7, pump 8 and the scupper hose 9 forcing to draw washings constitute.
As above in the roller washing machine of Gou Chenging, the door (not shown) that the user at first opens fuselage 1 front drops into after the washings, by control panel input washing commands.Then, the controller (not shown) detects the amount of the washings of putting into cylinder inside, and according to the washings amount designated water level that detects, makes washings enter the inside of cylinder 3 by detergent box 5 and feed pipe 6 then.
Then, when washings reach certain water level, motor 10 entrys into service, motor 10 drove cylinders 3 by driving belt 11 and began rotation this moment, carried out washing procedure.Then, finish back pump 8 entrys into service in washing, so that washings are discharged to the outside through drainpipe 7 and scupper hose 9, wash down after finishing draining, dehydration procedure is finished washing thus.
The as above roller washing machine in the past of Gou Chenging, no matter how many washings amounts of washings has, just under certain frequency, detect foam, therefore very for a long time at foam, not having the state of the danger that foam overflows to implement foam down actually detects, and in the washings amount after a little while, then overflow the back at foam and implement the foam detection.
Summary of the invention
In order to solve the problem that above-mentioned technology exists, the invention provides a kind of roller washing machine and foam detecting method thereof that possesses the foam measuring ability, it detects foam according to the washings amount according to the washings amount at washing initial stage under different frequencies when washing is carried out.
To achieve these goals, the technical solution used in the present invention is: roller washing machine comprises: roller washing machine is provided with condensate tank of dehumidifier; The user imports the operated key of running order; When beginning to feed water in the cylinder, detect the cylinder water level inside, according to the initial stage water level that condensate tank of dehumidifier detects, the washings amount is judged in feedwater once more, and according to the washings amount of judging, the controller of the frequency detecting foam under the frequency of having set or more than setpoint frequency; According to the control signal drive motor of controller, heater and load drive unit constitute.
The principal character of described controller is in the washings amount after a little while, tests foam under the high frequency more than the reference frequency of having set, and in the washings amount for a long time, detects foam under the low frequency that is lower than the reference frequency of having set.
By above explanation as can be known, the invention has the beneficial effects as follows: at first, under different frequencies, implement foam according to the washings amount and detect, therefore can prevent the flase drop of foam.
Secondly, can detect the washings amount more accurately, and carry out thus that washing procedure stops and the foam clear program, thereby can improve scourability.
At last, owing to improved scourability, it is satisfied therefore can to reach the user.
Description of drawings
Fig. 1 is the profile of general roller washing machine structure.
Fig. 2 is the block diagram of the control structure of roller washing machine of the present invention.
Fig. 3 is the flow chart of the roller washing machine foam detecting method that designs of the present invention.
Fig. 4 is the graph of relation between washings amount and the frequency.
Among the figure:
4: temperature-detecting device 10: motor
101: operated key 102: condensate tank of dehumidifier
103: controller 104: power supply
105: load drive unit 106: heater
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 2 is the block diagram of the control structure of roller washing machine of the present invention, and Fig. 3 is the flow chart of roller washing machine foam detecting method of the present invention.As shown in Figure 2, roller washing machine of the present invention comprises: the user imports the operated key 101 of running order; When beginning to feed water in the cylinder, detect the condensate tank of dehumidifier 102 of cylinder water level inside; According to the initial stage water level that condensate tank of dehumidifier 102 detects, the washings amount is judged in feedwater once more, and according to the washings amount of judging, the controller 103 of the frequency detecting foam under the frequency of having set or below setpoint frequency; According to the control signal drive motor 10 of controller 103, heater 106 and load drive unit 105 constitute with the power supply that electric power is provided.
As above the course of work of the roller washing machine of the present invention of Gou Chenging is as follows.
At first, after the user imported the power turn-on orders by operated key 101, power supply 104 began to provide power supply, after the user imports the running initiation command, washing machine begins feedwater, and condensate tank of dehumidifier 102 begins the designated water level at the initial stage of detecting, and temperature-detecting device 4 detects the temperature of washings.
Simultaneously, condensate tank of dehumidifier 102 detects that water level reduces because washings absorbs washings, thereby feeds water program again, and controller 103 detects the washings amount according to feedwater once more.
Described controller 103 reaches according to the detected washings amount that feeds water once more sets the washings amount when above, under the low frequency below the setpoint frequency, detect foam, and the washings amount reaches and sets the washings amount when following, detects foam under the high frequency more than the setpoint frequency.
Promptly, as shown in Figure 4, the washings amount that is detected reaches the benchmark washings amount of setting when following, because the ratio of the frequency setting that the detection foam overflows is higher, therefore frequency is increased to more than the reference frequency of setting, and the washings amount that is detected reaches when setting washings amount above, owing to detect the lower of frequency setting that foam overflows, therefore reduces the water level frequency.
The foam detecting method of the roller washing machine of the present invention that as above constitutes is described below with reference to Fig. 3.
After the user imports power turn-on order and input running initiation command, detect washings amount S101～S103.
Then, judge that the washings amount detected is whether at the above S104 of the benchmark washings amount of setting.
The S104 as a result of described judgement, the washings amount that is detected reaches the benchmark washings amount of setting when above, the frequency detecting foam S105 below the reference frequency of having set.
And the result 104 of described judgement, the washings amount that is detected reaches the benchmark washings amount of setting when following, the frequency detecting foam S108 more than the reference frequency of setting.
Then, judge whether to have detected foam S106.
Then, when judged result S106 has detected foam, washing procedure out of service or carry out foam and remove running S107.
Simultaneously, the S106 as a result of judgement carries out the program S109 that sets when not detecting foam.
Then, if washing finishes, then finish the trace routine of foam, and washing turns back to above-mentioned stage S106 continuation detection foam S110 when not finishing.
By above explanation as can be known, the roller washing machine and the control method thereof that have possessed the foam measuring ability of the present invention's design, washings amount by the washing initial stage detects after the washings amount, in the operation process of washing procedure, detects foam according to the washings amount under different frequency.When detected washings amount after a little while, is higher than in the water level frequency under the condition of reference frequency of setting and detects foam, and detected washings amount is when big, be lower than in the water level frequency under the condition of reference frequency of setting and detect foam.
Claims (5)
1. a roller washing machine is characterized in that, comprising: roller washing machine is provided with condensate tank of dehumidifier (102); The user imports the operated key (101) of running order; When beginning to feed water in the cylinder, detect the cylinder water level inside, according to the initial stage water level that condensate tank of dehumidifier (102) detects, the washings amount is judged in feedwater once more, and according to the washings amount of judging, the controller (103) of the frequency detecting foam under the frequency of having set or more than setpoint frequency; According to the control signal drive electric motor (10) of controller (103), heater (106) and load drive unit (105) constitute.
2. roller washing machine according to claim 1, it is characterized in that described controller is tested foam in the washings amount after a little while under the high frequency more than the reference frequency of having set, and in the washings amount for a long time, under the low frequency that is lower than the reference frequency of having set, detect foam.
3. the foam detecting method of roller washing machine according to claim 1 is characterized in that, comprising: the user detects the stage of washings amount when importing the running initiation command; Judge the washings amount detected whether the above of the benchmark washings amount of setting or below, and set stage of the water level frequency that detects foam; Under the water level frequency that configures, detect the stage of foam; And the stage of whether carrying out according to described judged result determination procedure.
4. the foam detecting method of roller washing machine according to claim 3, it is characterized in that, it is described that stage of designated water level frequency is in order to detect foam, when the washings amount that is detected reaches the benchmark washings amount of setting when above, the stage of the frequency detecting foam of decision water level frequency below setpoint frequency.
5. the foam detecting method of roller washing machine according to claim 3, it is characterized in that, it is described that stage of designated water level frequency is in order to detect foam, when the washings amount that is detected reaches the benchmark washings amount of setting when following, the stage of the frequency detecting foam of decision water level frequency more than setpoint frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019584 CN1715494A (en) | 2004-06-14 | 2004-06-14 | Drum washing machine and its foam detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019584 CN1715494A (en) | 2004-06-14 | 2004-06-14 | Drum washing machine and its foam detecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1715494A true CN1715494A (en) | 2006-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019584 Pending CN1715494A (en) | 2004-06-14 | 2004-06-14 | Drum washing machine and its foam detecting method |
Country Status (1)
| Country | Link |
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| CN (1) | CN1715494A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544145A (en) * | 2016-02-01 | 2016-05-04 | 珠海格力电器股份有限公司 | Drum washing machine and foam detection method thereof |
| CN106350968A (en) * | 2016-10-17 | 2017-01-25 | 珠海格力电器股份有限公司 | Method and system for preventing foam from overflowing |
| CN109423807A (en) * | 2017-08-24 | 2019-03-05 | 无锡小天鹅股份有限公司 | Foam detecting method and device when roller washing machine and its dehydration |
-
2004
- 2004-06-14 CN CN 200410019584 patent/CN1715494A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544145A (en) * | 2016-02-01 | 2016-05-04 | 珠海格力电器股份有限公司 | Drum washing machine and foam detection method thereof |
| CN105544145B (en) * | 2016-02-01 | 2018-05-18 | 珠海格力电器股份有限公司 | Drum washing machine and foam detection method thereof |
| CN106350968A (en) * | 2016-10-17 | 2017-01-25 | 珠海格力电器股份有限公司 | Method and system for preventing foam from overflowing |
| CN106350968B (en) * | 2016-10-17 | 2019-01-08 | 珠海格力电器股份有限公司 | Method and system for preventing foam from overflowing |
| CN109423807A (en) * | 2017-08-24 | 2019-03-05 | 无锡小天鹅股份有限公司 | Foam detecting method and device when roller washing machine and its dehydration |
| CN109423807B (en) * | 2017-08-24 | 2021-04-20 | 无锡小天鹅电器有限公司 | Drum washing machine and foam detection method and device during dehydration of drum washing machine |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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