CN102677440A - Clothes dryer and temperature control method and temperature control device of clothes dryer - Google Patents
Clothes dryer and temperature control method and temperature control device of clothes dryer Download PDFInfo
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- CN102677440A CN102677440A CN2012101287349A CN201210128734A CN102677440A CN 102677440 A CN102677440 A CN 102677440A CN 2012101287349 A CN2012101287349 A CN 2012101287349A CN 201210128734 A CN201210128734 A CN 201210128734A CN 102677440 A CN102677440 A CN 102677440A
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- cooling fan
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Abstract
The invention discloses a clothes dryer and a temperature control method and a temperature control device of the clothes dryer. The temperature control device of the clothes dryer comprises a cooling fan, a temperature sensor and a main control chip, wherein the cooling fan is used for cooling a compressor of the clothes dryer, the temperature sensor is used for detecting the temperature of the compressor, and the main control chip is respectively connected with the temperature sensor and a control end of the cooling fan. By the aid of the temperature control device of the clothes dryer, the problem that the cooling fan in a clothes dry in the prior art cannot be controlled accurately to cool the compressor is solved, and running stability of the compressor is improved, and the service life thereof is prolonged.
Description
Technical field
The present invention relates to the washing machine field, in particular to a kind of temperature control method and device and dryer of dryer.
Background technology
Existing dryer or the washing-drying integral machine of heat pump that utilize as drying mode; On drying mode; In order to protect the reliability of compressor; Generally temperature sensor is set at the air outlet place that drying unit is connected with urceolus, then according to temperature sensor detect temperature value in the drying system control condenser work whether, but because the air outlet that drying unit is connected with urceolus has certain distance apart from the compressor fuselage; Temperature in the drying system can not be represented the temperature of compressor fully; Cause the correctly temperature of perception compressor of temperature sensor that the air outlet place that is connected with urceolus at drying unit is provided with, cause system accurately not control cooling fan compressor is lowered the temperature, cause the interior temperature of drying system constantly to rise; And then influence the reliability of compressor, cause compressor because of the too high fault such as the rotten or coil damage of compressor oil body that occurs of being heated.
Can not accurately control the problem that cooling fan is lowered the temperature to compressor to the dryer in the correlation technique, not propose effective solution at present as yet.
Summary of the invention
Main purpose of the present invention is to provide a kind of temperature control method and device and dryer of dryer, can not accurately control the problem that cooling fan is lowered the temperature to compressor to solve dryer of the prior art.
To achieve these goals, according to an aspect of the present invention, a kind of attemperating unit of dryer is provided, has comprised: cooling fan is used for the compressor of dryer is lowered the temperature; Temperature sensor is used to detect the temperature of compressor; And main control chip, be connected respectively with the control end of temperature sensor and cooling fan.
Further, temperature sensor comprises: first temperature sensor is arranged on the heat pump circuits of dryer.
Further, first temperature sensor is arranged on the exhaust end of compressor.
Further, temperature sensor also comprises: second temperature sensor is arranged on the housing of compressor.
Further, second temperature sensor is arranged on the outside of compressor housing.
Further, second temperature sensor is arranged on the inboard of compressor housing.
To achieve these goals, according to another aspect of the present invention, a kind of dryer is provided, has comprised the attemperating unit of the dryer that foregoing of the present invention provides.
To achieve these goals, according to another aspect of the present invention, a kind of temperature control method of dryer is provided, dryer comprises compressor and cooling fan, and the temperature control method comprises: the temperature that detects compressor; Whether the temperature of judging compressor is greater than preset temperature; And in the temperature of judging compressor during greater than preset temperature, the control cooling fan is lowered the temperature to compressor.Particularly, after dryer started, temperature sensor detected the temperature of compressor; And detected temperature signal is transferred to master board; The control panel chip judges the temperature that receives, when judging detected temperature and reach preset compressor protection temperature, and the entry into service of control cooling fan; Compressor is lowered the temperature; Temperature sensor continues that temperature signal is transferred to control chip to be judged, after the temperature when the temperature of compressor is reduced to preset cooling fan startup, the control cooling fan shuts down; Temperature control system repeats according to above operating procedure.
Further, the temperature of detection compressor comprises: the temperature that detects the compressor air-discharging end; And/or the body temperature of detection compressor.Wherein, No matter be the body temperature that detects the temperature of compressor air-discharging end or detect compressor; Perhaps detect simultaneously, all detected temperature value is sent to the control panel chip, the control panel chip is when judging that at least one temperature reaches preset compressor protection temperature; The entry into service of control cooling fan is lowered the temperature to compressor; After the temperature when cooling fan that the temperature of the body temperature of compressor and exhaust end all is reduced to budget starts, the control cooling fan shuts down.
Further, the body temperature of detection compressor comprises: detect the inboard temperature of compressor housing; And/or the temperature in the detection compressor housing outside.
Through the present invention; The temperature sensor that employing is connected with main control chip detects the temperature of compressor; Main control chip obtains the detected temperature value of temperature sensor, and the temperature value that gets access to when main control chip is during greater than preset temperature value, and the coupled cooling fan that connects of main control chip control is lowered the temperature to compressor; Wherein, The critical-temperature whether preset temperature for need lower the temperature to compressor through directly the temperature of compressor being detected, has realized obtaining timely and accurately self temperature of compressor and whether has moved with the control cooling fan; Solve dryer of the prior art and can not accurately control the problem that cooling fan is lowered the temperature to compressor, and then reached the raising compressor movement reliability and the effect in service life.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the sketch map according to the attemperating unit of the embodiment of the invention;
Fig. 2 is the dryer schematic internal view that adopts the attemperating unit of the embodiment of the invention;
Fig. 3 is the outside sketch map of dryer that adopts the attemperating unit of the embodiment of the invention;
Fig. 4 is the flow chart according to the temperature control method of the embodiment of the invention; And
Fig. 5 is the flow chart of temperature control method according to the preferred embodiment of the invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
The embodiment of the invention provides a kind of attemperating unit of dryer, and is as shown in Figure 1, and the attemperating unit of this embodiment comprises cooling fan 10, temperature sensor 20 and main control chip 30.
Particularly; Cooling fan 10 is used for the compressor of dryer is lowered the temperature, and temperature sensor 20 is used to detect the temperature of compressor, and the signal output part of the control end of cooling fan 10 and temperature sensor 20 all is connected with main control chip 30; The temperature of 20 pairs of compressors of temperature sensor detects; Main control chip 30 obtains the detected temperature value of temperature sensor, and the temperature value that gets access to when main control chip 30 is during greater than preset temperature value, and 10 pairs of compressors of the main control chip 30 coupled cooling fans that connect of control are lowered the temperature; Wherein, the critical-temperature that need lower the temperature to compressor for whether of preset temperature.
The attemperating unit of the embodiment of the invention detects through direct temperature to compressor; Whether realized obtaining timely and accurately self temperature of compressor moves with the control cooling fan; Solve dryer of the prior art and can not accurately control the problem that cooling fan is lowered the temperature to compressor, and then reached the raising compressor movement reliability and the effect in service life.
Wherein, Temperature sensor 20 can comprise first temperature sensor, and this first temperature sensor is arranged on the dryer heat pump circuits, comprising: the inlet end of the inlet end of the inlet end of condenser or outlet side, auxiliary condenser or outlet side, evaporimeter or outlet side; Preferably; First temperature sensor is arranged on the exhaust end of compressor, through the exhaust end at compressor temperature sensor is set, and has reached the effect of accurately obtaining compressor temperature.
Thereby compressor is carried out the heat protection though control the unlatching of fan through the temperature of compressor air-discharging end; But when the temperature control sensor of compressor air-discharging end breaks down or situation such as not in place is installed; Can cause the correctly temperature of perception compressor air-discharging end of control system, cause the temperature in the drying system constantly to rise, and then influence the reliability of compressor; Cause consequences such as damage; Through on compressor housing, temperature sensor probe being set simultaneously with the compressor air-discharging end, come the temperature of perception compressor fuselage, the temperature of exhaust end, avoid the exhaust end sensor probe to damage or other fault; Cause the control system to experience rub-out signal, reached effect through duplicate protection protection compressor.
Further, second temperature sensor can be installed in the inboard of compressor housing, to reach the effect of accurately obtaining the compressor internal temperature; Second temperature sensor also can be installed in the outside of compressor housing, to reach effect easy for installation.
The embodiment of the invention also provides a kind of dryer; This dryer can be any dryer that comprises the dryer attemperating unit that the above embodiment of the present invention provides; Fig. 2 and Fig. 3 are respectively dryer schematic internal view and the outside sketch mapes that adopts the attemperating unit of the embodiment of the invention; In Fig. 2, the represented parts of each Reference numeral are:
1: compressor;
2: condenser;
3: auxiliary condenser;
4: device for drying and filtering;
5: the capillary-compensated device;
6: evaporimeter;
7: fan;
8: fan belt;
9: drive motors;
10: compressor start electric capacity;
11: exhaust gas temperature sensor, that is, and first temperature sensor in the dryer attemperating unit;
12: the condenser surface sensor;
13: cooling fan.
The control panel of the mark 14 expression dryers among Fig. 3, wherein, the main control chip of dryer attemperating unit can be arranged in the control panel 14.
The dryer of this embodiment can be heat pump drying roller formula washing-drying integral machine, and the compressor of employing is that maximum working pressure is the compressor of the saturation pressure under corresponding 70 ℃ of the cold-producing medium, and input power is about 450W.The temperature sensor 11 of exhaust end is installed in the position near compressor between compressor and the condenser; Also can be installed on the dryer heat pump circuits; Comprise: the inlet end of the inlet end of the inlet end of condenser or outlet side, auxiliary condenser or outlet side, evaporimeter or outlet side; Preferably be arranged on the exhaust end of compressor, to reach the effect of accurately obtaining compressor temperature.Temperature sensor can also be set on compressor block, and this sensor can be placed on the shell of compressor, also can place the inside of compressor, connects through external connection, receives on the main control chip.
When compressor being carried out heat protection control; The temperature of sensor compressor air-discharging end or the temperature of compressor block; The temperature instruction that detection is got access to after the temperature passes to control panel 14, and control panel is controlled the Push And Release of cooling fan 13 according to the judgement of comparing of the temperature value of instruction feedback and the preset temperature value in the control program; And then compressor lowered the temperature, thereby guarantee the reliability of compressor.
The embodiment of the invention also provides a kind of temperature control method of dryer; This temperature control method can be carried out through the attemperating unit that the embodiment of the invention provided; Fig. 4 is the sketch map according to the temperature control method of the embodiment of the invention; As shown in Figure 4, this method comprises that following step S402 is to step S406:
S402: detect the temperature of compressor, particularly, can detect through temperature sensor.
S404: whether the temperature of judging compressor is greater than preset temperature.
S406: during greater than preset temperature, the control cooling fan is lowered the temperature to compressor in the temperature of judging compressor.Wherein, the critical-temperature whether preset temperature for need lower the temperature to compressor can specifically be provided with according to the compressor of different model.
The temperature control method of the embodiment of the invention detects through direct temperature to compressor; Whether realized obtaining timely and accurately self temperature of compressor moves with the control cooling fan; Solve dryer of the prior art and can not accurately control the problem that cooling fan is lowered the temperature to compressor, and then reached the raising compressor movement reliability and the effect in service life.
Preferably; Step S402 can comprise that the body temperature to the temperature of compressor air-discharging end and compressor carries out at least a detection; Correspondingly; Whether step S404 comprises the temperature that detects the compressor air-discharging end among the determining step S402 respectively greater than preset temperature, and whether detected compressor body temperature is greater than preset temperature.Wherein, when at least one temperature was greater than preset temperature in the temperature of the temperature of judging the compressor air-discharging end and compressor fuselage, the control cooling fan was lowered the temperature to compressor.More specifically; The temperature control method of the preferred embodiment of the present invention is as shown in Figure 5: after dryer starts; Temperature sensor detects the body temperature of compressor and at least one in the compressor air-discharging end temperature, and detected temperature signal is transferred to master board, and the control panel chip is judged the temperature that receives; When judge detected temperature at least one when reaching preset compressor protection temperature; The entry into service of control cooling fan is lowered the temperature to compressor, and temperature sensor continues that temperature signal is transferred to control chip and judges; After the temperature when cooling fan that the temperature of the body temperature of compressor and exhaust end all is reduced to budget starts, the control cooling fan shuts down; Temperature control system repeats according to above operating procedure.Illustrate, if in control chip, the unlatching temperature of preset cooling fan is 68 ℃; The temperature of experiencing when at least one sensor (that is, the temperature of the body temperature of compressor and compressor air-discharging end, at least one in the two) is when reaching 68 ℃; The control cooling fan is opened; When all being lower than 63 ℃, cooling fan shuts down the temperature of experiencing when two sensors (that is the temperature of the body temperature of compressor and compressor air-discharging end); Repetition is with cocycle;
Thereby compressor is carried out the heat protection though control the unlatching of fan through the temperature of compressor air-discharging end; But when the temperature control sensor of compressor air-discharging end breaks down or situation such as not in place is installed; Can cause the correctly temperature of perception compressor air-discharging end of control system, cause the temperature in the drying system constantly to rise, and then influence the reliability of compressor; Cause consequences such as damage; Body temperature and compressor air-discharging end through to compressor detect simultaneously, come the temperature of perception compressor fuselage, the temperature of exhaust end, avoid the exhaust end sensor probe to damage or other fault; Cause the control system to experience rub-out signal, reached effect through duplicate protection protection compressor.Wherein, can temperature sensor be set through the inboard at compressor housing to the detection of compressor body temperature and detect, to reach the effect of accurately obtaining the compressor internal temperature; Also can detect, to reach effect easy for installation at the arranged outside temperature sensor of compressor housing.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the attemperating unit of a dryer is characterized in that, comprising:
Cooling fan is used for the compressor of dryer is lowered the temperature;
Temperature sensor is used to detect the temperature of said compressor; And
Main control chip is connected respectively with the control end of said temperature sensor and said cooling fan.
2. attemperating unit according to claim 1 is characterized in that, said temperature sensor comprises:
First temperature sensor is arranged on the heat pump circuits of said dryer.
3. attemperating unit according to claim 2 is characterized in that said first temperature sensor is arranged on the exhaust end of said compressor.
4. attemperating unit according to claim 2 is characterized in that, said temperature sensor also comprises:
Second temperature sensor is arranged on the housing of said compressor.
5. attemperating unit according to claim 4 is characterized in that said second temperature sensor is arranged on the outside of said compressor housing.
6. attemperating unit according to claim 4 is characterized in that said second temperature sensor is arranged on the inboard of said compressor housing.
7. a dryer is characterized in that, comprises the attemperating unit of each described dryer of claim 1 to 6.
8. the temperature control method of a dryer is characterized in that, said dryer comprises compressor and cooling fan, and is said
The temperature control method comprises:
Detect the temperature of said compressor;
Whether the temperature of judging said compressor is greater than preset temperature; And
, control said cooling fan said compressor is lowered the temperature during in the temperature of judging said compressor greater than said preset temperature.
9. temperature control method according to claim 8 is characterized in that, the temperature that detects said compressor comprises:
Detect the temperature of said compressor air-discharging end; And/or
Detect the body temperature of said compressor.
10. temperature control method according to claim 9 is characterized in that, the body temperature that detects said compressor comprises:
Detect the inboard temperature of said compressor housing; And/or detect the temperature in the said compressor housing outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210128734.9A CN102677440B (en) | 2012-04-27 | 2012-04-27 | The temperature control method and device and dryer of dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210128734.9A CN102677440B (en) | 2012-04-27 | 2012-04-27 | The temperature control method and device and dryer of dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102677440A true CN102677440A (en) | 2012-09-19 |
| CN102677440B CN102677440B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210128734.9A Active CN102677440B (en) | 2012-04-27 | 2012-04-27 | The temperature control method and device and dryer of dryer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206229A1 (en) * | 2016-05-31 | 2017-12-07 | 无锡小天鹅股份有限公司 | Heat pump module for clothes processing device, and clothes processing device |
| CN108729168A (en) * | 2017-04-13 | 2018-11-02 | 东芝生活电器株式会社 | Clothesdrier |
| WO2020077588A1 (en) * | 2018-10-15 | 2020-04-23 | 南京中车浦镇海泰制动设备有限公司 | Method for controlling oil-free scroll compressor for rail transportation wind source system |
| CN111623561A (en) * | 2019-02-27 | 2020-09-04 | 青岛海尔滚筒洗衣机有限公司 | Heat pump type clothes dryer heat pump system cooling method and heat pump type clothes dryer |
| CN112195614A (en) * | 2020-09-25 | 2021-01-08 | 珠海格力电器股份有限公司 | Control method and apparatus of drying system, and computer-readable storage medium |
| CN113718500A (en) * | 2020-05-25 | 2021-11-30 | 合肥海尔滚筒洗衣机有限公司 | Control method of heat pump type clothes drying equipment |
| CN113882130A (en) * | 2020-07-02 | 2022-01-04 | 青岛海尔滚筒洗衣机有限公司 | Fault detection method for heat pump type clothes drying equipment |
| CN114016268A (en) * | 2021-11-19 | 2022-02-08 | 珠海格力电器股份有限公司 | Clothes treatment equipment with heat pump drying function and control method |
| CN117704693A (en) * | 2023-12-28 | 2024-03-15 | 广州冰泉制冷设备有限责任公司 | Control method, system, equipment and medium for cooling fan of ice machine |
Citations (1)
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| CN2811873Y (en) * | 2005-07-08 | 2006-08-30 | 河南新飞电器有限公司 | Heat radiator for air conditioner compressor |
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- 2012-04-27 CN CN201210128734.9A patent/CN102677440B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2811873Y (en) * | 2005-07-08 | 2006-08-30 | 河南新飞电器有限公司 | Heat radiator for air conditioner compressor |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206229A1 (en) * | 2016-05-31 | 2017-12-07 | 无锡小天鹅股份有限公司 | Heat pump module for clothes processing device, and clothes processing device |
| CN108729168B (en) * | 2017-04-13 | 2021-03-05 | 东芝生活电器株式会社 | Clothes dryer |
| CN108729168A (en) * | 2017-04-13 | 2018-11-02 | 东芝生活电器株式会社 | Clothesdrier |
| WO2020077588A1 (en) * | 2018-10-15 | 2020-04-23 | 南京中车浦镇海泰制动设备有限公司 | Method for controlling oil-free scroll compressor for rail transportation wind source system |
| CN111623561A (en) * | 2019-02-27 | 2020-09-04 | 青岛海尔滚筒洗衣机有限公司 | Heat pump type clothes dryer heat pump system cooling method and heat pump type clothes dryer |
| CN113718500A (en) * | 2020-05-25 | 2021-11-30 | 合肥海尔滚筒洗衣机有限公司 | Control method of heat pump type clothes drying equipment |
| CN113882130A (en) * | 2020-07-02 | 2022-01-04 | 青岛海尔滚筒洗衣机有限公司 | Fault detection method for heat pump type clothes drying equipment |
| CN113882130B (en) * | 2020-07-02 | 2023-09-22 | 重庆海尔滚筒洗衣机有限公司 | Fault detection method of heat pump type clothes drying equipment |
| CN112195614A (en) * | 2020-09-25 | 2021-01-08 | 珠海格力电器股份有限公司 | Control method and apparatus of drying system, and computer-readable storage medium |
| CN112195614B (en) * | 2020-09-25 | 2021-12-10 | 珠海格力电器股份有限公司 | Control method and apparatus of drying system, and computer-readable storage medium |
| CN114016268A (en) * | 2021-11-19 | 2022-02-08 | 珠海格力电器股份有限公司 | Clothes treatment equipment with heat pump drying function and control method |
| CN114016268B (en) * | 2021-11-19 | 2022-11-25 | 珠海格力电器股份有限公司 | Clothes treatment equipment with heat pump drying function and control method |
| CN117704693A (en) * | 2023-12-28 | 2024-03-15 | 广州冰泉制冷设备有限责任公司 | Control method, system, equipment and medium for cooling fan of ice machine |
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| Publication number | Publication date |
|---|---|
| CN102677440B (en) | 2017-11-24 |
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