CN105648727B - Washing machine and furnace drying method - Google Patents
Washing machine and furnace drying method Download PDFInfo
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- CN105648727B CN105648727B CN201410639494.8A CN201410639494A CN105648727B CN 105648727 B CN105648727 B CN 105648727B CN 201410639494 A CN201410639494 A CN 201410639494A CN 105648727 B CN105648727 B CN 105648727B
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Abstract
The present invention relates to washing machine and furnace drying methods.Specifically, the present invention provides a kind of washing machines, have drying system and cylindric washer.Particularly, washing machine further include: the first temperature sensor is configured to the temperature for the air-flow that detection drying system blows out, obtains the first detected value；Second temperature sensor is configured to the temperature of the air-flow of detection drying system sucking, obtains the second detected value；And control module, it is configured to: when the second detected value is higher than the first detected value, closing drying system.In addition, the present invention also provides a kind of furnace drying methods.Washing machine and furnace drying method of the present invention are because drying system is closed when the detected value that the temperature for detecting the air-flow that it is sucked obtains is higher than the detected value that the temperature for detecting its air-flow blowed out obtains, it is damaged with the temperature sensor of the temperature for the air-flow for preventing detection drying system from blowing out, to prevent from damaging clothing, or the waste of energy is caused, and the temperature-detecting device of discovery failure in time.
Description
Technical field
The present invention relates to washing machine fields, more particularly to a kind of washing machine and furnace drying method.
Background technique
With the promotion of people's quality of life, the food and clothing of people, which lives row, more better choices.Wherein, people
" wearing " has more selections, not only shows that there are the selections of a variety of styles, more shows the varied of clothing material.By
Certain specification must be followed in the design of apparel modeling and color, therefore, material design in current dress designing increasingly
Abundant, the status occupied is also more and more important.In clothes big world, clothing material is multifarious, makes rapid progress.For example, system
Make the clothes worn in formal social life, preferably selects pure cotton, pure wool, pure silk, pure gunny products.Increasingly with clothing material
It is abundant, it is more and more valuable, the protection of clothing is also become more and more important, such as to the guarantor of clothing in the washing process of clothing
Shield, to the protection of clothing in the drying course of clothing.
In the drying course to clothing, the temperature for controlling the air-flow for carrying out heat exchange with clothing is most important.If with clothing
The temperature that object carries out the air-flow of heat exchange is excessively high, and may burn clothing, cause the damage of clothing；If carrying out heat exchange with clothing
Air-flow temperature it is too low, drying clothing need time greatly prolong, cause the waste of energy.Therefore, for detection and clothing
The temperature sensor that object carries out the temperature of the air-flow of heat exchange needs to guarantee correctly detection temperature.However, existing have baking
In the washing machine of dry function, the state of the temperature sensor is judged without effectively means, if the temperature sensor is in failure
State may then damage clothing, or cause the waste of energy.
Summary of the invention
One purpose of first aspect present invention is intended to overcome at least one defect of existing washing machine, provides a kind of new
The washing machine of grain husk, can judge whether the temperature sensor of the temperature for the air-flow that the drying system for detecting washing machine blows out is located
In normal condition, to protect the temperature-detecting device for being oven-dried clothing and discovery failure in time.
One of first aspect present invention further objective is that improve the air-flow temperature that detection drying system blows out as far as possible
The accuracy of degree and the gas flow temperature of sucking.
Another of first aspect present invention is further objective is that accurately judge whether clothing is oven-dried as far as possible.
One purpose of second aspect of the present invention is to provide for a kind of furnace drying method for above-mentioned washing machine.
According to the first aspect of the invention, the present invention provides a kind of washing machines, have drying system and cylindric washer, described
Drying system is configured to: from cylindric washer sucking and the air-flow after clothing heat exchange, at least partly moisture in air-flow is removed, with
And the air-flow for removing at least partly moisture is heated and blowed and is flowed back in the cylindric washer.Particularly, the washing machine further include:
First temperature sensor is configured to detect the temperature for the air-flow that the drying system blows out, obtains the first detection
Value；
Second temperature sensor is configured to detect the temperature of the air-flow of the drying system sucking, obtains the second detected value；
With
Control module is electrically connected with first temperature sensor and the second temperature sensor, is configured to: when described
When second detected value is higher than first detected value, the drying system is closed.
Optionally, first temperature sensor and the second temperature sensor are separately positioned on the drying system
Air outlet and air inlet.
Optionally, the washing machine further includes humidity sensor, is configured to detect the air-flow of the drying system sucking
Humidity obtains third detected value；And the control module is also electrically connected with the humidity sensor, to detect when the third
Value is equal to or less than close the drying system when default humidity value.
Optionally, the value range of moisture content corresponding with the value range of the default humidity value be 10%~
25%.
Optionally, the air inlet of the drying system is arranged in the humidity sensor, and the second temperature senses
Device and the humidity sensor are integrated in a Temperature Humidity Sensor.
According to the second aspect of the invention, the present invention provides a kind of furnace drying method for any of the above-described kind of washing machine,
Include:
During drying to clothing, the temperature for the air-flow that the drying system of the washing machine blows out is detected,
The first detected value is obtained, and detects the temperature of the air-flow of the drying system sucking, obtains the second detected value；
When second detected value is higher than first detected value, the drying system is closed.
Optionally, the furnace drying method further include:
Described in being detected again when second detected value is less than or equal to first detected value, after predetermined time interval
The temperature of the air-flow of the temperature and sucking for the air-flow that drying system blows out.
Optionally, the furnace drying method further include:
During being dried to clothing, the humidity of the air-flow of the drying system sucking is detected, third inspection is obtained
Measured value；
When the third detected value is equal to or less than default humidity value, the drying system is closed, otherwise, is detected again
The humidity of the air-flow of the drying system sucking.
Optionally, the value range of moisture content corresponding with the value range of the default humidity value be 10%~
25%.
Optionally, the value range of moisture content corresponding with the value range of the default humidity value be 12%~
20%.
Washing machine and furnace drying method of the present invention are because of the detection that drying system is obtained in the temperature for the air-flow for detecting its sucking
It is closed when value is higher than the detected value that the temperature for detecting its air-flow blowed out obtains, to prevent detection drying system from blowing out
The temperature sensor of the temperature of air-flow is damaged, to prevent from damaging clothing, or causes the waste of energy, Yi Jiji
The temperature-detecting device of Shi Faxian failure.
Further, since in washing machine and furnace drying method of the invention, two temperature sensors are separately positioned on described
The air outlet and air inlet of drying system significantly improve the air-flow of gas flow temperature and sucking that detection drying system blows out
The accuracy of temperature.
Further, due in furnace drying method of the invention, in the temperature for the air-flow that detection drying system blows out every time
When, while the temperature of the air-flow of drying system sucking is detected, to guarantee the accuracy of judgement.In addition, the predetermined time can also be lagged
The temperature of the air-flow of drying system sucking is detected, to guarantee that detection is the temperature of same fraction, further increases judgement
Accuracy.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of washing machine according to an embodiment of the invention；
Fig. 2 is the schematic flow chart of the furnace drying method of washing machine according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the schematic diagram of washing machine according to an embodiment of the invention, and wherein arrow indicates air-flow in figure
Flow direction in drying system.The embodiment of the invention provides a kind of washing machines.The washing machine has 20 He of drying system
Cylindric washer.Drying system 20 is configured to: from cylindric washer sucking and the air-flow after clothing heat exchange, removing at least partly water in air-flow
Point, and the air-flow for removing at least partly moisture is heated and blowed and is flowed back in cylindric washer, to carry out heat exchange with clothing.Specifically
Ground, drying system 20 can be heat pump drying system comprising compressor 21, condenser 22 and throttling set and evaporator 23.
Particularly, evaporator 23 and condenser 22 are successively set in the drying air duct of drying system along the flow direction of air-flow.And
Evaporator 23 is configured to remove at least partly moisture flowed through in its air-flow, condenser 22 be configured to flow through its air-flow into
Row heating.Heat pump drying system also has blower 24, and fan blade is installed in drying air duct, is configured to aspirate gas out of cylindric washer
Body, and gas after treatment is blowed and flows back to cylindric washer.In some alternative embodiments of the invention, drying system 20
It may include drying air duct, electric heater unit and water-cooling type dehumidification device.
Washing machine in the embodiment of the present invention is preferably roller washing machine, and wherein the cylindric washer of washing machine may include outer barrel
31 and the rotatable interior bucket 32 in outer barrel 31, wherein outer barrel 31 is horizontally installed in the shell of washing machine.Drying system 20
Air inlet may be provided at the front of the upper half side circumferential side wall of outer barrel 31, and the air outlet of drying system 20 may be provided at outer barrel 31
The lower part of rear wall, in order to the flowing of cylindric washer interior air-flow and the sufficient heat exchange of clothing.Drying air duct may include being located at outer barrel
The first level air duct sections of top and the second air duct sections positioned at outer barrel rear.The fan blade of the blower 24 of drying system 20 can be located at
First level air duct sections and the second air duct sections junction, evaporator 23 and condenser 22 are respectively positioned in first level air duct sections.
In one embodiment of the invention, since the fiber of the sensitive fabrics such as wool, cashmere and silk class is very delicate,
It can shrink, crimp at higher temperature, in turn result in deformation and damage, therefore the gas flow temperature that drying system blows out cannot mistake
Height, so that the hot wind into cylindric washer is controlled in lower temperature, to protect clothing, the gas flow temperature that drying system blows out
Range is 40~60 DEG C, and preferably range can be 45~55 DEG C.
During drying clothing, it is oven-dried clothing in order to protect, the washing machine in the embodiment of the present invention further includes
One temperature sensor 41, second temperature sensor and control module (not shown).First temperature sensor 41 is configured to examine
The temperature for surveying the air-flow that drying system 20 blows out, obtains the first detected value.Second temperature sensor is configured to detection drying system
The temperature of the air-flow of 20 sucking of system, obtains the second detected value.Control module and the first temperature sensor 41 and second temperature sense
Device electrical connection is configured to close drying system when the second detected value is higher than the first detected value.Due to going out from drying system 20
The temperature for the air-flow that air port blows out will be just inhaled into from the air inlet of drying system 20 later by carrying out heat exchange with clothing,
Therefore the temperature for the air-flow that the temperature for the air-flow that drying system 20 sucks is lower than certainly, at most blows out equal to drying system, if
The detected value that the temperature for the air-flow that detection drying system 20 sucks obtains is higher than the temperature for the air-flow that detection drying system 20 blows out
Obtained detected value is spent, then shows that at least one of the first temperature sensor 41, second temperature sensor are damaged, at this time
Drying system is closed, the clothing in washing machine can be protected.In a preferred embodiment of the invention, the first temperature sensor
41 and second temperature sensor be separately positioned on the air outlet and air inlet of drying system 20.
In another embodiment of the presently claimed invention, the compressor 21 of heat pump drying system is frequency-changeable compressor.Control mould
Block is also electrically connected with compressor 21, and the temperature for being also configured to work as the air-flow that drying system blows out rises to preset first drying temperature
When spending, control makes compressor change running frequency, so that the temperature for the air-flow that drying system blows out is maintained at preset first
At drying temperature, to prevent drying system leaving air temp excessively high, clothing of burning.Such as it is sensitive for wool, cashmere and silk class
Fabric, the first drying temperature may be configured as 50 DEG C.
In order to preferably control the compressor of heat pump drying system, control module, which is configured to work as, receives compression
When machine open command, control run compressor 21 with first frequency, first frequency may be selected 62Hz, 70Hz, 80Hz, 85Hz,
90Hz etc..And control module is configured to rise to preset second when the temperature for the air-flow of heat pump drying system blowed out
When drying temperature, control run compressor 21 with second frequency, second frequency may be selected 40Hz, 45Hz, 50Hz, 55Hz,
58Hz etc.；Wherein the second drying temperature is less than the first drying temperature；Second frequency is less than first frequency.For example, compressor 21 is first
First run with high frequency, after a period of time, when the gas flow temperature that drying system blows out reaches 45 DEG C (second drying temperature),
Control module control runs compressor with intermediate frequency, and the gas flow temperature that drying system blows out is slowly climbed to 50 DEG C of (first bakings
Dry temperature), at this time change the running frequency of compressor, so that the gas flow temperature that drying system blows out is stablized on 50 DEG C of left sides
It is right.
In order to rationally judge whether clothing is oven-dried, the washing machine of the embodiment of the present invention further includes humidity sensor.Humidity
Sensor is configured to the humidity for the air-flow that detection drying system 20 sucks, and obtains third detected value.Control module is also passed with humidity
Sensor electrical connection, to close drying system when third detected value is equal to or less than default humidity value.Water content in air-flow
It can be indicated with moisture content, the moisture content and humidity in air-flow can mutually be converted.For example, sensitive fabrics are the drying at the end of
Moisture content range can be 10%~25%, and preferably moisture content range is 12%~20%, therefore the air-flow of drying system sucking
Humidity also accordingly correspond to a humidity range every kind of clothing can be arranged in a program in specifically operating process
One is specifically preset humidity value or water cut value corresponding with default humidity value.
Preferably, the air inlet of drying system, and second temperature sensor and humidity sensor is arranged in humidity sensor
Device is integrated in a Temperature Humidity Sensor 42.
The washing machine of the embodiment of the present invention can also be according to the phase between the first temperature sensor 41 and second temperature sensor
Mutual relation determines whether clothing is oven-dried, such as when the first detected value is higher than the second detected value, and the first detected value and the second inspection
When difference between measured value is equal to or less than fiducial temperature value, it is believed that clothing is oven-dried, and closes the drying system of washing machine.
Fig. 2 is the schematic flow chart of the furnace drying method of washing machine according to an embodiment of the invention.The present invention is implemented
Example additionally provides a kind of furnace drying method for the washing machine in any of the above-described embodiment comprising:
During being dried to clothing, the temperature for the air-flow that the drying system of washing machine blows out is detected, is obtained
First detected value, and the temperature of the air-flow of drying system sucking is detected, obtain the second detected value.Using two temperature sensing
Device (the first temperature sensor and second temperature sensor) is respectively in the air outlet of drying system and air inlet detection drying system
The temperature for the temperature of the air-flow blowed out and the air-flow of drying system sucking of uniting.
When the second detected value is higher than the first detected value, drying system is closed.
Above-mentioned furnace drying method may also include that before drying to clothing, receives drying instruction, opens drying system,
To be dried to the clothing in cylindric washer.
In some further embodiments of the invention, the furnace drying method for washing machine may also include that when the second detection
When value is less than or equal to the first detected value, the temperature and suction of the air-flow that drying system blows out are detected after predetermined time interval again
The temperature of the air-flow entered is detected and is judged with circulation, it is ensured that the first temperature sensor and second temperature sensor are in
Normal operating conditions.Scheduled time interval can be 0.5s, such as can the gas that blows out of every 0.5s detection first drying system
The temperature of stream.
In some embodiments of the invention, the temperature for the air-flow that the drying system of the detection washing machine blows out, with
And the temperature of the air-flow of detection drying system sucking, comprising: when detecting the temperature for the air-flow that drying system blows out, examine simultaneously
Survey or lag the temperature of the air-flow of predetermined time detection drying system sucking.For example, blowed out in detection drying system every time
When the temperature of air-flow, the temperature of the air-flow of lag 0.1s detection drying system sucking.Lag 0.1s detection can make with a part of gas
After stream is detected by the first temperature sensor, detected after carrying out heat exchange with clothing, then by second temperature sensor,
To improve the accuracy of detection.Those skilled in the art can also wash according to the flowing velocity of air-flow, two temperature sensors
Wash the occurrence that distance and other parameters in cylinder determine the lag predetermined time.
Furnace drying method in the embodiment of the present invention may also include that during drying to clothing, detection drying is
The humidity of the air-flow of system sucking, obtains third detected value；When third detected value is equal to or less than default humidity value, drying is closed
Otherwise system detects the humidity of the air-flow of drying system sucking again.Further, with the value range phase of default humidity value
The value range of corresponding moisture content can be 10%~25%.
For example, the drying system of the washing machine of the embodiment of the present invention is heat pump drying system, the drying for the washing machine
Method can include
Step A: receiving drying instruction, opens the frequency-changeable compressor of drying system, and controlling makes frequency-changeable compressor with first
Frequency operation.The washing machine of the embodiment of the present invention can individually receive drying instruction；It can also be finished to clothes washing and rinsing
Afterwards, drying system is automatically turned on, drying instruction can finish instruction for the washing and rinsing of washing machine.
Step B: the temperature for the air-flow that detection drying system blows out obtains the first detected value, and in detection drying system
The temperature that the air-flow of predetermined time detection drying system sucking is lagged after the temperature of the air-flow blowed out, obtains the second detected value；
And the humidity of the air-flow of detection drying system sucking, obtain third detected value.
Step C: when the temperature for the air-flow of drying system blowed out rises to preset second drying temperature, control makes to become
Frequency compressor is run with second frequency；Second frequency is less than first frequency.When the temperature for the air-flow of drying system blowed out has
When second drying temperature rises to preset first drying temperature, control makes frequency-changeable compressor change running frequency, so that drying is
The temperature for the air-flow that system blows out is maintained at preset first drying temperature.And
When the second detected value is higher than the first detected value, drying system is closed.When the humidity of the air-flow of drying system sucking
Drying system is closed when being reduced to default humidity value.If drying system is not closed, it re-execute the steps B.
Step D: after closing drying system, the alarm signals such as sending sound, light or electricity, to remind user's drying system to occur
Failure or clothing are oven-dried.
The washing machine of the embodiment of the present invention can individually run drying procedure, to dry to clothing；It can also wash
After EP (end of program), automatic running drying procedure, to complete the cleaning and drying of clothing.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of washing machine has drying system and cylindric washer, the drying system is configured to: from cylindric washer sucking and clothing
Air-flow after object heat exchange removes at least partly moisture in air-flow, and the air-flow for removing at least partly moisture is heated and blown
It send and flows back in the cylindric washer；It is characterized in that, the drying system includes compressor, the compressor is frequency-changeable compressor,
The washing machine further include:
First temperature sensor is configured to detect the temperature for the air-flow that the drying system blows out, obtains the first detected value；
Second temperature sensor is configured to detect the temperature of the air-flow of the drying system sucking, obtains the second detected value；With
Control module is electrically connected with first temperature sensor and the second temperature sensor, is configured to:
When second detected value is higher than first detected value, the drying system is closed；
When receiving compressor open command, control runs the compressor with first frequency；
When the temperature for the air-flow that the drying system blows out rises to preset second drying temperature, control makes the compressor
It is run with second frequency, the second frequency is less than the first frequency；And
When the temperature for the air-flow that the drying system blows out rises to preset first drying temperature, control makes the compressor
Change running frequency, so that the temperature for the air-flow that the drying system blows out is maintained at preset first drying temperature
Place, second drying temperature are less than first drying temperature.
2. washing machine according to claim 1, which is characterized in that
First temperature sensor and the second temperature sensor be separately positioned on the drying system air outlet and into
At air port.
3. washing machine according to claim 1, which is characterized in that further include:
Humidity sensor is configured to detect the humidity of the air-flow of the drying system sucking, obtains third detected value；And
The control module is also electrically connected with the humidity sensor, to be equal to or less than default humidity when the third detected value
The drying system is closed when value.
4. washing machine according to claim 3, which is characterized in that
The value range of moisture content corresponding with the value range of the default humidity value is 10%~25%.
5. washing machine according to claim 3, which is characterized in that
The air inlet of the drying system is arranged in the humidity sensor, and
The second temperature sensor and the humidity sensor are integrated in a Temperature Humidity Sensor.
6. a kind of furnace drying method for washing machine described in any one of claims 1 to 5 characterized by comprising
During being dried to clothing, the temperature for the air-flow that the drying system of the washing machine blows out is detected, is obtained
First detected value, and the temperature of the air-flow of the drying system sucking is detected, obtain the second detected value；
When second detected value is higher than first detected value, the drying system is closed.
7. furnace drying method according to claim 6, which is characterized in that further include:
When second detected value is less than or equal to first detected value, the drying is detected again after predetermined time interval
The temperature of the air-flow of the temperature and sucking for the air-flow that system blows out.
8. furnace drying method according to claim 6, which is characterized in that further include:
During being dried to clothing, the humidity of the air-flow of the drying system sucking is detected, third detected value is obtained；
When the third detected value is equal to or less than default humidity value, the drying system is closed, otherwise, again described in detection
The humidity of the air-flow of drying system sucking.
9. furnace drying method according to claim 8, which is characterized in that
The value range of moisture content corresponding with the value range of the default humidity value is 10%~25%.
10. furnace drying method according to claim 9, which is characterized in that
The value range of moisture content corresponding with the value range of the default humidity value is 12%~20%.
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| CN201410639494.8A CN105648727B (en) | 2014-11-13 | 2014-11-13 | Washing machine and furnace drying method |
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|---|---|---|---|
| CN201410639494.8A CN105648727B (en) | 2014-11-13 | 2014-11-13 | Washing machine and furnace drying method |
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| CN105648727B true CN105648727B (en) | 2019-10-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567216B (en) * | 2016-10-08 | 2019-01-29 | 珠海格力电器股份有限公司 | Device, method and equipment for determining drying of clothes |
| CN108239867B (en) * | 2016-12-26 | 2021-03-02 | 青岛海尔洗衣机有限公司 | Control method of quick clothes dryer and quick clothes dryer |
| WO2019196872A1 (en) * | 2018-04-11 | 2019-10-17 | 青岛海尔滚筒洗衣机有限公司 | Control method for use in laundry treating device and laundry treating device |
| CN111826911B (en) * | 2019-03-27 | 2022-09-27 | 无锡小天鹅电器有限公司 | Control method and device of clothes treatment device and clothes treatment device |
| CN116219712A (en) * | 2021-12-06 | 2023-06-06 | 重庆海尔洗衣机有限公司 | Temperature control method and device of clothes dryer, clothes dryer and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05345096A (en) * | 1992-06-15 | 1993-12-27 | Sanyo Electric Co Ltd | Dry cleaning machine |
| CN103882654A (en) * | 2012-12-20 | 2014-06-25 | Bsh博世和西门子家用电器有限公司 | Process For Operating A Washer Dryer With A Heat Pump, And A Suitable Washer Dryer |
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2014
- 2014-11-13 CN CN201410639494.8A patent/CN105648727B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05345096A (en) * | 1992-06-15 | 1993-12-27 | Sanyo Electric Co Ltd | Dry cleaning machine |
| CN103882654A (en) * | 2012-12-20 | 2014-06-25 | Bsh博世和西门子家用电器有限公司 | Process For Operating A Washer Dryer With A Heat Pump, And A Suitable Washer Dryer |
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