CN102677440B - The temperature control method and device and dryer of dryer - Google Patents
The temperature control method and device and dryer of dryer Download PDFInfo
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- CN102677440B CN102677440B CN201210128734.9A CN201210128734A CN102677440B CN 102677440 B CN102677440 B CN 102677440B CN 201210128734 A CN201210128734 A CN 201210128734A CN 102677440 B CN102677440 B CN 102677440B
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- temperature
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- dryer
- cooling fan
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Abstract
The invention discloses a kind of temperature control method of dryer and device and dryer.Wherein, the temperature control device of dryer includes：Cooling fan, for cooling to the compressor of dryer；Temperature sensor, for detecting the temperature of compressor；And main control chip, it is respectively connected with the control terminal of temperature sensor and cooling fan.By the present invention, solve the problems, such as that dryer of the prior art accurately can not control cooling fan to cool compressor, and then improve the operational reliability of compressor and the effect of service life.
Description
Technical field
The present invention relates to washing machine field, temperature control method and device and dryer in particular to a kind of dryer.
Background technology
Existing dryer or washing-drying integral machine by the use of heat pump as drying mode, on drying mode, in order to protect
The reliability of compressor, temperature sensor is set typically at the air outlet that drying unit is connected with outer barrel, then according to temperature
Degree sensor detects the temperature value in drying system whether to control the work of condenser, but due to drying unit and outside
The air outlet Range compress machine fuselage that is connected of cylinder has a certain distance, and the temperature in drying system can not represent compressor completely
Temperature, the temperature sensor set at the air outlet for causing with outer barrel to be connected in drying unit can not correctly perceive compressor
Temperature, cause system accurately cooling fan can not be controlled to cool compressor, cause the temperature in drying system continuous
Rise, and then influence the reliability of compressor, cause compressor because it is heated it is too high occur that compressor oil body is rotten or coil damage
The failure such as bad.
The problem of accurately cooling fan can not being controlled to cool compressor for the dryer in correlation technique, at present
Not yet propose effective solution.
The content of the invention
It is existing to solve it is a primary object of the present invention to provide the temperature control method and device and dryer of a kind of dryer
The problem of dryer in technology accurately can not control cooling fan to cool compressor.
To achieve these goals, according to an aspect of the invention, there is provided a kind of temperature control device of dryer, bag
Include：Cooling fan, for cooling to the compressor of dryer；Temperature sensor, for detecting the temperature of compressor；And
Main control chip, it is respectively connected with the control terminal of temperature sensor and cooling fan.
Further, temperature sensor includes：First temperature sensor, is arranged in the heat pump circuits of dryer.
Further, the first temperature sensor is arranged on the exhaust end of compressor.
Further, temperature sensor also includes：Second temperature sensor, it 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 inner side of compressor housing.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of dryer, including in the present invention
State the temperature control device for the dryer that content is provided.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of temperature control method of dryer, do
Clothing machine includes compressor and cooling fan, and temperature control method includes：Detect the temperature of compressor；Judge whether the temperature of compressor is big
In preset temperature；And when the temperature for judging compressor is more than preset temperature, control cooling fan cools to compressor.
Specifically, after dryer starts, temperature sensor is detected to the temperature of compressor, and the temperature signal detected is passed
Master board is defeated by, the temperature that control board chip docking receives is judged, when the temperature for judging to detect reaches default
During compressor protection temperature, control cooling fan starts running, and compressor is cooled, temperature sensor continues to believe temperature
Number being transferred to control chip is judged, after the temperature that the temperature of compressor is reduced to when default cooling fan starts, control
Cooling fan processed shuts down；Temperature control system repeats according to above operating procedure.
Further, detecting the temperature of compressor includes：Detect the temperature at compressor air-discharging end；And/or detection compressor
Body temperature.Wherein, the temperature for either detecting compressor air-discharging end still detects the body temperature of compressor, or simultaneously
Detected, the temperature value detected is sent to control board chip, control board chip and is judging that at least one temperature reaches
During default compressor protection temperature, control cooling fan is started running, and compressor is cooled；When the fuselage temperature of compressor
After temperature when the cooling fan that the temperature of degree and exhaust end is all reduced to budget starts, control cooling fan shuts down.
Further, detecting the body temperature of compressor includes：Detect the temperature on the inside of compressor housing；And/or detection
Temperature on the outside of compressor housing.
By the present invention, the temperature of compressor is detected using the temperature sensor being connected with main control chip, it is main
Control chip obtains the temperature value that temperature sensor detects, when the temperature value that main control chip is got is more than preset temperature value,
Main control chip controls coupled cooling fan to cool compressor, wherein, whether preset temperature is to need to pressure
The critical-temperature that contracting machine is cooled, by directly being detected to the temperature of compressor, realize and timely and accurately obtain pressure
For the own temperature of contracting machine to control cooling fan whether to run, radiating can not accurately be controlled by solving dryer of the prior art
The problem of blower fan cools to compressor, and then improve the operational reliability of compressor and the effect of service life.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of temperature control device according to embodiments of the present invention；
Fig. 2 is the dryer schematic internal view using the temperature control device of the embodiment of the present invention；
Fig. 3 is the outside clothes dryer schematic diagram using the temperature control device of the embodiment of the present invention；
Fig. 4 is the flow chart of temperature control method according to embodiments of the present invention；And
Fig. 5 is the flow chart of temperature control method according to the preferred embodiment of the invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The embodiments of the invention provide a kind of temperature control device of dryer, as shown in figure 1, the temperature control device bag of the embodiment
Include cooling fan 10, temperature sensor 20 and main control chip 30.
Specifically, cooling fan 10 is used to cool to the compressor of dryer, and temperature sensor 20, which is used to detect, presses
The temperature of contracting machine, the control terminal of cooling fan 10 and the signal output part of temperature sensor 20 are connected with main control chip 30,
Temperature sensor 20 detects to the temperature of compressor, and main control chip 30 obtains the temperature value that temperature sensor detects, when
When the temperature value that main control chip 30 is got is more than preset temperature value, main control chip 30 controls coupled cooling fan 10
Compressor is cooled, wherein, preset temperature is the critical-temperature for whether needing to cool to compressor.
The temperature control device of the embodiment of the present invention is realized timely and accurately by directly being detected to the temperature of compressor
The own temperature of compressor is obtained to control cooling fan whether to run, solving dryer of the prior art can not accurately control
The problem of cooling fan processed cools to compressor, and then improve the operational reliability and service life of compressor
Effect.
Wherein, temperature sensor 20 can include the first temperature sensor, and first temperature sensor is arranged on dryer
In heat pump circuits, including：The inlet end of condenser or outlet side, the inlet end of auxiliary condenser or outlet side, evaporator enter
Gas end or outlet side, it is preferable that the first temperature sensor is arranged on the exhaust end of compressor, is set by the exhaust end in compressor
Temperature sensor is put, has reached the effect of accurate acquisition compressor temperature.
Temperature sensor 20 can also include second temperature sensor, and second temperature sensor is arranged on the housing of compressor
On, meanwhile, the signal output part of second temperature sensor is connected with main control chip, and main control chip passes through second temperature sensor
Obtain the body temperature of compressor, when the compressor that the first temperature sensor and second temperature sensor are got temperature value extremely
When the temperature value in the presence of a compressor is more than preset temperature value less, main control chip control cooling fan drops to compressor
Temperature.
Although controlling the unlatching of fan by the temperature at compressor air-discharging end so as to carry out Thermal protection to compressor,
Compressor air-discharging end temperature control sensor break down or install it is not in place when, control system can be caused correct
The temperature at compressor air-discharging end is perceived, causes the temperature in drying system constantly to rise, and then influences the reliability of compressor, is made
Into consequences such as damages, by setting temperature sensor probe simultaneously with compressor air-discharging end on compressor housing, to perceive pressure
Temperature, the temperature of exhaust end of contracting machine fuselage, the damage of exhaust end sensor probe or other failures are avoided, causes control system
Experience error signal, reach the effect that compressor is protected by duplicate protection.
Further, second temperature sensor may be mounted at the inner side of compressor housing, and compression is obtained to reach accurate
The effect of machine internal temperature；Second temperature sensor can also be arranged on the outside of compressor housing, to reach easy for installation
Effect.
The embodiment of the present invention additionally provides a kind of dryer, and the dryer can any include the above embodiment of the present invention
The dryer of the dryer temperature control device provided, Fig. 2 and Fig. 3 are the drying using the temperature control device of the embodiment of the present invention respectively
Machine schematic internal view and outside schematic diagram, in fig. 2, the part represented by each reference is：
1：Compressor；
2：Condenser；
3：Auxiliary condenser；
4：Device for drying and filtering；
5：Capillary throttle device；
6：Evaporator；
7：Fan；
8：Fan belt；
9：Motor；
10：Compressor start electric capacity；
11：Exhaust gas temperature sensor, i.e. the first temperature sensor in dryer temperature control device；
12：Condenser surface sensor；
13：Cooling fan.
Mark 14 in Fig. 3 represents the control panel of dryer, wherein, the main control chip of dryer temperature control device can be set
Put in control panel 14.
The dryer of the embodiment can be heat pump drying drum type washing drying integral machine, and the compressor used works for highest
Pressure is the compressor that refrigerant corresponds to the saturation pressure at 70 DEG C, and input power is 450W or so.The TEMP of exhaust end
Device 11 is arranged on the position of the close compressor between compressor and condenser, can also be arranged in dryer heat pump circuits,
Including：The inlet end of condenser or outlet side, the inlet end of auxiliary condenser or outlet side, the inlet end or outlet of evaporator
End, the exhaust end of compressor is preferably provided at, to reach the accurate effect for obtaining compressor temperature.Can also be in compressor block
Upper setting temperature sensor, the sensor can be placed on the shell of compressor, the inside of compressor can also be placed, by outer
Wiring connects, and is connected on main control chip.
When carrying out Thermal protection control to compressor, the temperature at sensor detection compressor air-discharging end or compressor block
Temperature, it will detect and get the instruction of the temperature after temperature and pass to control panel 14, control panel is according to the temperature of instruction feedback
Judgement is compared with the preset temperature value in control program in value, to control the Push And Release of cooling fan 13, and then to compressor
Cooled, so as to ensure the reliability of compressor.
The embodiment of the present invention additionally provides a kind of temperature control method of dryer, and the temperature control method can be implemented by the present invention
The temperature control device that is there is provided of example performs, and Fig. 4 is the schematic diagram of temperature control method according to embodiments of the present invention, as shown in figure 4, should
Method includes steps S402 to step S406：
S402：The temperature of compressor is detected, specifically, can be detected by temperature sensor.
S404：Judge whether the temperature of compressor is more than preset temperature.
S406：When the temperature for judging compressor is more than preset temperature, control cooling fan cools to compressor.Its
In, preset temperature is the critical-temperature for whether needing to cool to compressor, can be carried out according to the compressor of different model
It is specific to set.
The temperature control method of the embodiment of the present invention is realized timely and accurately by directly being detected to the temperature of compressor
The own temperature of compressor is obtained to control cooling fan whether to run, solving dryer of the prior art can not accurately control
The problem of cooling fan processed cools to compressor, and then improve the operational reliability and service life of compressor
Effect.
Preferably, step S402 can include carrying out at least the temperature at compressor air-discharging end and the body temperature of compressor
One kind detection, correspondingly, step S404 include detecting whether the temperature at compressor air-discharging end is big in judgment step S402 respectively
In preset temperature, and whether the compressor body temperature detected is more than preset temperature.Wherein, when judging compressor air-discharging end
Temperature and compressor body temperature at least one temperature when being more than preset temperature, control cooling fan is carried out to compressor
Cooling.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 pair
At least one in both the body temperature of compressor and compressor air-discharging end temperature is detected, and the temperature detected is believed
Master board number is transferred to, the temperature that control board chip docking receives is judged, when the temperature for judging to detect at least one
Individual when reaching default compressor protection temperature, control cooling fan is started running, and compressor is cooled, temperature sensor
Continue temperature signal being transferred to control chip and judged, when the body temperature of compressor and the temperature of exhaust end are all reduced to
After temperature when the cooling fan of budget starts, control cooling fan shuts down；Temperature control system is according to above operating procedure weight
It is multiple to perform.If for example, in control chip, the opening temperature for presetting cooling fan is 68 DEG C, when at least one sensing
The temperature (that is, the temperature at the body temperature of compressor and compressor air-discharging end, at least one in the two) that device is experienced reaches
At 68 DEG C, control cooling fan is opened, when temperature (that is, the body temperature and compressor of compressor that two sensors are experienced
The temperature of exhaust end) when being below 63 DEG C, cooling fan shuts down；Circulated more than repeating；
Although controlling the unlatching of fan by the temperature at compressor air-discharging end so as to carry out Thermal protection to compressor,
Compressor air-discharging end temperature control sensor break down or install it is not in place when, control system can be caused correct
The temperature at compressor air-discharging end is perceived, causes the temperature in drying system constantly to rise, and then influences the reliability of compressor, is made
Into consequences such as damages, detected simultaneously by the body temperature to compressor and compressor air-discharging end, to perceive compressor machine
The temperature of body, the temperature of exhaust end, the damage of exhaust end sensor probe or other failures are avoided, cause control system impression wrong
Error signal, the effect that compressor is protected by duplicate protection is reached.Wherein, the detection to compressor body temperature can pass through
Temperature sensor is set to be detected in the inner side of compressor housing, to reach the accurate effect for obtaining compressor internal temperature；
In the outside of compressor housing temperature sensor can also be set to be detected, to reach effect easy for installation.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (7)
- A kind of 1. temperature control device of dryer, it is characterised in that including：Cooling fan, for cooling to the compressor of dryer；Temperature sensor, for detecting the temperature of the compressor；AndMain control chip, it is respectively connected with the control terminal of the temperature sensor and the cooling fan；Wherein, the temperature sensor includes：First temperature sensor, it is arranged in the heat pump circuits of the dryer；Second temperature sensor, it is arranged on the housing of the compressor.
- 2. temperature control device according to claim 1, it is characterised in that first temperature sensor is arranged on the compression The exhaust end of machine.
- 3. temperature control device according to claim 1, it is characterised in that the second temperature sensor is arranged on the compression The outside of casing body.
- 4. temperature control device according to claim 1, it is characterised in that the second temperature sensor is arranged on the compression The inner side of casing body.
- 5. a kind of dryer, it is characterised in that include the temperature control device of the dryer described in any one of Claims 1-4.
- 6. a kind of temperature control method of dryer, it is characterised in that done any one of methods described usage right requirement 1 to 4 The temperature control device of clothing machine, the dryer include compressor and cooling fan, and the temperature control method includes：Detect the temperature of the compressor；Judge whether the temperature of the compressor is more than preset temperature；AndWhen the temperature for judging the compressor is more than the preset temperature, the cooling fan is controlled to carry out the compressor Cooling；Wherein, detecting the temperature of the compressor includes：Detect the temperature at the compressor air-discharging end；And/orDetect the body temperature of the compressor；Wherein, preset temperature is the stagnation temperature for whether needing to cool to compressor Degree, is specifically set according to the compressor of different model.
- 7. temperature control method according to claim 6, it is characterised in that detecting the body temperature of the compressor includes：Detect the temperature on the inside of the compressor housing；And/orDetect the temperature on the outside of the compressor housing.
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 |
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| Publication Number | Publication Date |
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| CN102677440A CN102677440A (en) | 2012-09-19 |
| CN102677440B true CN102677440B (en) | 2017-11-24 |
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Families Citing this family (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 |
| JP7164287B2 (en) * | 2017-04-13 | 2022-11-01 | 東芝ライフスタイル株式会社 | clothes dryer |
| CN109236659B (en) * | 2018-10-15 | 2020-02-07 | 南京中车浦镇海泰制动设备有限公司 | Control method of oil-free scroll compressor for rail transit 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 |
| CN113718500B (en) * | 2020-05-25 | 2024-07-16 | 合肥海尔滚筒洗衣机有限公司 | Control method of 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 |
| 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 |
| 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 | Priority date | Publication date | Assignee | Title |
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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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