CN1715543A - Condensing clothes drier and its control method - Google Patents
Condensing clothes drier and its control method Download PDFInfo
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- CN1715543A CN1715543A CN 200410019793 CN200410019793A CN1715543A CN 1715543 A CN1715543 A CN 1715543A CN 200410019793 CN200410019793 CN 200410019793 CN 200410019793 A CN200410019793 A CN 200410019793A CN 1715543 A CN1715543 A CN 1715543A
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Abstract
The present invention relates to condensing clothes drier operating stably on sensing pump and water level and its control method. The condensing clothes drier possess container, pump and control system comprising water level sensing unit, microprocessor and fault expressing unit. The level sensing unit senses the full water level and water level change inside the container; the microprocessor controls the correct sensing of the level sensing unit, acquires the operation state of the pump and control the driving of the pump; and the fault expressing unit shows the fault in the pump based on the control signal from the microprocessor. The present invention drives the pump after sensing the full water level, judges the fault of the water level sensing unit itself, and drives the pump periodically in case of abnormality in the water level sensing unit, so as to avoid water leakage caused by fault in the water level sensing unit.
Description
Technical field
The present invention relates to a kind of clothes drier, relate in particular to a kind of pump safety starting device and method (a condensing type a wear dryer and method forcontrolling of the same) thereof of condensing clothes.
Background technology
In general, clothes drier is that the hot blast that heater produces is blowed to cylinder, the apparatus of drying clothes behind the moisture on the absorption clothes.The processing mode of the humid air that produces during according to absorption moisture drying clothes roughly is divided into exhaust clothes drier and condensing clothes.The exhaust clothes drier adopts the mode of discharging to dryer outer from the humid air of cylinder discharge; The humid air that the condensing clothes employing is discharged from cylinder utilizes condenser condenses and after removing moisture, dewatered dry air is blowed once more to the mode of cylinder recirculation.
Describe clothes drier with reference to the accompanying drawings in detail according to prior art.Fig. 1 is the schematic perspective view according to the condensing clothes primary structure of prior art.Among the figure, arrow I represents flowing of extraneous air, and arrow II represents flowing of circulating air.As shown in Figure 1, the condensation dryer according to prior art is made of cylinder 1, filter 2, condenser 3.The inner peripheral surface of the cylinder 1 of barrel shape is provided with the lifter that does not illustrate among several figure, and by belt (belt) 6, is connected with drive motors 4, and drying is placed on the clothes of dryer inner in the time of along with drive motors 4 rotations; The dry run that filters out described filter 2 finishes the foreign matters such as burr that the back is contained from the humid air that cylinder 1 is discharged; Described condenser 3 comes condensation and removes carrying out heat exchange action between moisture that contains in the humid air that flow into through filters 2 and the extraneous air.
Clothes drier also includes cooling fan 7a, circulating fan 5, heater (not illustrating among the figure), and described cooling fan 7a is discharged to condenser 3 to the extraneous air that sucks along direction of principal axis along circumferencial direction again by the pipeline 8 that is connected with condenser 3; Described circulating fan 5 is blown into the dry air that generates through condenser 3 backs in the cylinder 1; The dry air inflow cylinder 1 preceding described heater that blows by circulating fan 5 heats.And cooling fan 7a and circulating fan 5 all are connected on the motor 4 that drives cylinder 1.
But when cooling fan 7a drove by being connected a motor 4 with circulating fan 5 and cylinder 1 as mentioned above, cooling fan 7a drove with circulating fan 5 behind the beginning dry trip, made the air circulation of cylinder 1 inside.In such condensing clothes, if can not aspirate the water that (pumping) condensation produces, product inside may take place that drainage causes fault or the water that spills may to drain to product outside and pollute the floor.
Summary of the invention
In order to solve the problems of the technologies described above, the purpose of this invention is to provide device and the condensing clothes and the control method thereof that can realize stable running with the suction pump of condensed water and sensing water level.
The technical solution adopted for the present invention to solve the technical problems is:
Condensing clothes with container (chamber) and pump of the present invention is made of level sensing unit, microprocessor, the abnormal failure portion of expression.The full-water level and the SEA LEVEL VARIATION of described level sensing unit Sensing container inside; Described microprocessor is grasped the driving whether normally level sensing unit grasps control pump after the operating condition of pump sensing the time; Described abnormal failure represents that portion expresses the abnormal failure of pump according to microprocessor control signal.Above-mentioned level sensing unit is made of the first transistor (transistor), electrode sensor, transistor seconds.Described the first transistor receives microprocessor control signal and starts; Described electrode sensor drives according to the startup of the first transistor; Described transistor seconds starts and output signal according to the driving of electrode sensor.Above-mentioned abnormal failure represents that portion is made of warning tones generating unit or display part etc.
In the control method of condensing clothes, comprise that according to the control method of condensing clothes of the present invention the operator imports behind the running initiation command stage from level sensing unit sensing full-water level with level sensing unit, heater and pump; Sense behind the full-water level signal stage of sensing SEA LEVEL VARIATION with the predefined first setting-up time Tx driving pump; Judge that according to the SEA LEVEL VARIATION that senses level sensing unit or pump self have or not the stage of abnormal failure; According to the stage of the driving of judged result control pump.Above-mentioned judgement level sensing unit or pump self have or not the stage of abnormal failure specifically to comprise the stage of closing pump so that water level changes behind the predefined first setting-up time Tx driving pump again; Do not import certain signal to level sensing unit when water level changes, judge whether to take place the unusual stage according to its output valve; Level sensing unit does not have to close pump when unusual, and expresses the stage that pump is a normal condition.The above-mentioned stage that drives according to the judged result control pump is specially judges that repeatedly level sensing unit takes place when unusual with the predefined second setting-up time Ty primer pump, and closes with predefined the 3rd setting-up time Tz the stage of the process of pump.
Has following effect according to condensing clothes of the present invention and control method thereof.
First, sensing full-water level rear drive pump during the dry operation of beginning and judge whether level sensing unit self exists fault, the mode that On/Off when unusual takes place level sensing unit is driving pump periodically, thereby can prevent the fault of level sensing unit in advance and the drainage that causes.
The second, because can prevent to produce drainage in advance, prolong the service life of product so can reduce fault as far as possible.
The 3rd, improved drying property owing to reducing fault.
Description of drawings
Fig. 1 is the schematic perspective view according to the condensing clothes primary structure of prior art.
Fig. 2 is the block schematic diagram according to the control structure of condensing clothes of the present invention.
Fig. 3 is the circuit diagram of level sensing unit structure shown in Figure 2.
Fig. 4 is the flow chart according to condensing clothes control method of the present invention.
The critical piece description of reference numerals
101: key input part 102: temperature sensing portion
103: level sensing unit 104: microprocessor
105: pump 106: heater
107: abnormal failure is represented portion
The specific embodiment
Below, describe in detail according to a preferred embodiment of the invention with reference to accompanying drawing.Fig. 2 is the block schematic diagram according to the control structure of condensing clothes of the present invention; Fig. 4 is the flow chart according to condensing clothes control method of the present invention.
As shown in Figure 2, condensing clothes represents that by key input part 101, temperature sensing portion 102, level sensing unit 103, microprocessor 104, abnormal failure portion 107, heater 106 constitute according to the present invention.Control command described key input part 101 input operation persons; After starting initiation commands by key input part 101 input, described temperature sensing portion 102 sensing cylinder (not illustrating among the figure) temperature inside; The full-water level and the SEA LEVEL VARIATION of described level sensing unit 103 Sensing container inside when carrying out dry trip according to key input part 101 operation initiation commands; Described microprocessor 104 is grasped the driving whether normally level sensing unit 103 grasp control pump after the operating condition of pump sensing the time; Described abnormal failure represents that portion 107 expresses the abnormal failure of pump according to the control signal of microprocessor 104; Described heater 106 drives according to the control signal of microprocessor 104.As shown in Figure 3, above-mentioned level sensing unit 103 is made of the first transistor Q1, electrode sensor P1, P2, transistor seconds Q2.Described the first transistor Q1 receives the control signal of microprocessor 104 and starts; Described electrode sensor P1, P2 drive according to the startup of the first transistor Q1; Described transistor seconds Q2 starts and output signal according to the driving of electrode sensor.
According to the structure of condensing clothes of the present invention as mentioned above.The following describes operation process of the present invention.
At first, the operator is by key input part 101 input operation initiation commands, and the full-water level of Sensing container (not illustrating among the figure) when carrying out dry the action is if sense full-water level with regard to driving pump 105.Through judging whether water level changes behind the predefined first setting-up time Tx,, thereby stop the driving of pump 105 after pump 105 drives, wait for until reaching full-water level once more if water level is judged as pump 105 driven when changing.If water level does not change, self exist wrong and be illustrated in abnormal failure and represent portion 107 with regard to being judged as sensing level sensing unit 103 self or pump 105, and the driving of control pump 105.
At this moment, whether unusual method is to grasp level sensing unit 103 self, and from the substrate input certain ON/OFF impulse waveform of microprocessor 104 to the first transistor Q1, at this moment the first transistor Q1 is unlocked.Along with the first transistor Q1 starts, electrode sensor P1, P2 are driven.Along with the driving signal of electrode sensor P1, P2 is input to the substrate of transistor seconds Q2, then by transistor seconds Q2 output signal.Here, normally export above-mentioned ON/OFF impulse waveform after microprocessor 104 just judge that level sensing unit 103 normally drives, only export simultaneously high-frequency signal, thus level sensing unit 103 judge take place unusual.
Have said structure according to the control method of condensing clothes of the present invention as shown in Figure 4, at first import the power-on order, the operator imports the entry into service order and judges whether to reach full-water level (step S101～S102) after beginning drying.
In above-mentioned steps S102 judged result, if sense full-water level with regard to driving pump (step S103).
After pump drives, judge whether through the predefined first setting-up time Tx (step S104).
Above-mentioned steps S104 judged result if passed through the predefined first setting-up time Tx, judges whether to take place SEA LEVEL VARIATION (step S105).
Above-mentioned steps S105 judged result if variation has taken place water level, is judged as pump and normally drives and close pump (step S106).
Above-mentioned steps S106 judged result if water level does not change, judges whether level sensing unit normally carries out sensing (step S108).
Above-mentioned steps S108 judged result if water level sensing is correct, takes place unusual and expresses pump make a mistake (step S114) with regard to being judged as pump.
Above-mentioned steps S108 judged result goes wrong if be judged as the water level sensing circuit, and primer pump in the predefined second setting-up time Ty is repeatedly closed the process (S109～S112) of pump in the 3rd setting-up time Tz.
Finish behind the powered-down (step S107, S113).
As mentioned above, according to condensing clothes of the present invention and control method thereof in the pump and water level of sensing suction condensed water, for runs steadily, sense primer pump 105 after the full-water level by level sensing unit 103, if just judge level sensing unit 103 when not having SEA LEVEL VARIATION or pump 105 takes place unusual through the predefined first setting-up time Tx.Take place when unusual if sense level sensing unit 103, primer pump in the predefined second setting-up time Ty is repeatedly periodically closed the process of pump in the 3rd setting-up time Tz.Be not subjected to the influence of the sensing result of level sensing unit 103 thus, and can normally move condensing clothes.If level sensing unit 103 runs well, stop the running of pump 105 and represent that by abnormal failure portion 107 expresses error message because pump 105 breaks down.
Claims (6)
1, a kind of condensing clothes has container and pump, it is characterized in that, also comprises:
Level sensing unit, microprocessor, abnormal failure are represented portion;
The full-water level and the SEA LEVEL VARIATION of described level sensing unit Sensing container inside;
Described microprocessor is grasped the driving whether normally level sensing unit grasps control pump after the operating condition of pump sensing the time;
Described abnormal failure represents that portion expresses the abnormal failure of pump according to microprocessor control signal.
2, condensing clothes according to claim 1 is characterized in that:
Above-mentioned level sensing unit is made of the first transistor, electrode sensor, transistor seconds; Described the first transistor receives microprocessor control signal and starts; Described electrode sensor drives according to the startup of the first transistor; Described transistor seconds starts and output signal according to the driving of electrode sensor.
3, condensing clothes according to claim 1 is characterized in that:
Above-mentioned abnormal failure represents that portion is made of warning tones generating unit or display part etc.
4, a kind of control method of condensing clothes, above-mentioned condensing clothes has level sensing unit, heater and pump, it is characterized in that, comprising:
The operator imported behind the running initiation command from stage of level sensing unit sensing full-water level;
Sense behind the full-water level signal stage of sensing SEA LEVEL VARIATION with the predefined first setting-up time Tx driving pump;
Judge that according to the SEA LEVEL VARIATION that senses level sensing unit or pump self have or not the stage of abnormal failure;
According to the stage of the driving of judged result control pump.
5, the control method of condensing clothes according to claim 4 is characterized in that:
Above-mentioned judgement level sensing unit or pump self have or not the stage of abnormal failure to comprise:
Close the stage of pump so that water level changes behind the predefined first setting-up time Tx driving pump;
Do not import certain signal to level sensing unit when water level changes, judge whether to take place the unusual stage according to its output valve;
Level sensing unit does not have to close pump when unusual, and expresses the stage that pump is a normal condition.
6, the control method of condensing clothes according to claim 4 is characterized in that:
The above-mentioned stage that drives according to the judged result control pump is specially judges that repeatedly level sensing unit takes place when unusual with the predefined second setting-up time Ty primer pump, and closes with predefined the 3rd setting-up time Tz the stage of the process of pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100197938A CN100503957C (en) | 2004-06-28 | 2004-06-28 | Condensing clothes drier and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100197938A CN100503957C (en) | 2004-06-28 | 2004-06-28 | Condensing clothes drier and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN1715543A true CN1715543A (en) | 2006-01-04 |
| CN100503957C CN100503957C (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100197938A Expired - Fee Related CN100503957C (en) | 2004-06-28 | 2004-06-28 | Condensing clothes drier and its control method |
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| CN (1) | CN100503957C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374699A (en) * | 2010-08-06 | 2012-03-14 | 松下电器产业株式会社 | Dehumidifying-warming apparatus and clothes drier |
| CN110144699A (en) * | 2018-02-12 | 2019-08-20 | 青岛海尔洗衣机有限公司 | A kind of control method of washing machine |
| WO2021077534A1 (en) * | 2019-10-21 | 2021-04-29 | 无锡小天鹅电器有限公司 | Laundry treatment device, drainage control method therefor, apparatus and storage medium |
-
2004
- 2004-06-28 CN CNB2004100197938A patent/CN100503957C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374699A (en) * | 2010-08-06 | 2012-03-14 | 松下电器产业株式会社 | Dehumidifying-warming apparatus and clothes drier |
| CN102374699B (en) * | 2010-08-06 | 2014-09-24 | 松下电器产业株式会社 | Dehumidifying-warming apparatus and clothes drier |
| CN110144699A (en) * | 2018-02-12 | 2019-08-20 | 青岛海尔洗衣机有限公司 | A kind of control method of washing machine |
| CN110144699B (en) * | 2018-02-12 | 2023-03-31 | 青岛海尔洗衣机有限公司 | Control method of washing machine |
| WO2021077534A1 (en) * | 2019-10-21 | 2021-04-29 | 无锡小天鹅电器有限公司 | Laundry treatment device, drainage control method therefor, apparatus and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100503957C (en) | 2009-06-24 |
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Granted publication date: 20090624 Termination date: 20100628 |