CN108203868A - Washing machine and its control method - Google Patents
Washing machine and its control method Download PDFInfo
- Publication number
- CN108203868A CN108203868A CN201611175217.1A CN201611175217A CN108203868A CN 108203868 A CN108203868 A CN 108203868A CN 201611175217 A CN201611175217 A CN 201611175217A CN 108203868 A CN108203868 A CN 108203868A
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- China
- Prior art keywords
- washing
- time
- air
- heating
- haze
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- D06F2202/04—
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- D06F2204/04—
Abstract
A kind of control method of washing machine, wherein washing machine includes washing chamber and the door for including glass on washing chamber inlet, control method includes performing washing procedure, after washing procedure and the door is opened in the past, water temperature and environment temperature in washing procedure obtain door glass cold conditions and haze the time, once reaching the cold conditions to haze the time, then the air for washing indoor air or heating being introduced into washing chamber is heated.After heating washs indoor air or the air of heating is introduced into washing chamber, the saturation degree for washing room air declines, and cold conditions, which will not occur, in door glass hazes, and washing chamber's internal perisporium there will not be droplet condensation.The invention also discloses a kind of washing machines.
Description
【Technical field】
Control method more particularly to the control that prevents the door glass of washing machine from hazing the present invention relates to washing machine and washing machine
Method processed.
【Background technology】
The door comprising glass is equipped at the clothing dispensing port of washing machine, especially roller washing machine.Clothes washing program is transported
After row, if the temperature of clothing is higher than environment temperature, the moisture in clothing can be constantly evaporate into the indoor air of washing.Such as
Fruit user does not take out clothing for a long time, and the water content for washing indoor air reaches saturation.Simultaneously because wash indoor air
Temperature is higher than environment temperature, and the moisture in air can condense on the peripheral wall of washing chamber.The water of condensation forms water in door glass
Mist reduces user experience, while moist washing chamber's peripheral wall provides advantageous living environment for bacterium.
【Invention content】
It is an object of the invention to prevent peripheral wall in washing of drum type washing machine room from hazing.
For object above, the present invention provides a kind of control method of washing machine, wherein washing machine include washing chamber with
And the door for include glass on washing chamber inlet, control method include execution washing procedure, after washing procedure and institute
It states before being opened, water temperature and environment temperature in washing procedure obtain door glass cold conditions and haze the time, once it reaches
The cold conditions hazes the time, then heats the air for washing indoor air or heating being introduced into washing chamber.
Wherein cold conditions time of hazing refers to the indoor air of washing and starts to condense what is hazed in door glass under natural conditions
Time.
After heating washs indoor air or the air of heating is introduced into washing chamber, the saturation degree of room air is washed
Decline, cold conditions, which will not occur, in door glass hazes, and washing chamber's internal perisporium there will not be droplet condensation.
Heating is washed indoor air and can be realized by being set on the indoor heater of washing.In being available with washing process
In water heater, without additionally setting heater.
The air of heating is introduced into washing chamber can be blown into the air realization of heating by fan to washing chamber.
The water temperature is the water temperature before dehydration last in washing procedure.Clothing is through dewatered temperature and its contained
Water temperature and last dehydration before water temperature it is directly related and closest, clothing and contained humidity are obtained by this method
Temperature simple is reliable.
Determine door glass cold conditions haze the time premise be the water temperature be higher than environment temperature.
The cold conditions hazes the time according to the water temperature and the difference of environment temperature to prestore in control device and cold conditions
The first relation table of mist time and determine.The volume of washing chamber, laundry amounts etc. can also be included with cold conditions time correlation of hazing.
Haze the first relation table of time of the difference of the water temperature and environment temperature and cold conditions is obtained by experiment.
After heating washs indoor air or the air of heating is introduced into washing chamber, before the door is opened, root
Obtain that door glass is hot to haze the time according to environment temperature, once reach it is described it is hot haze the time, then open refrigerating plant with cold
Moisture in solidifying air reduces the moisture content of the air of washing chamber.Heating is washed indoor air or is introduced into washing chamber
After the air of heating, if door is not gated on always, with the raising of washing indoor air temperature, the moisture of clothing constantly steams
Hair washs indoor air and may eventually reach saturation, the humid air of saturation touch due to influenced by ambient temperature and temperature compared with
Low door glass, moisture therein can generate condensation and mist sense generated in door glass namely is referred to as hot haze.And it opens
After refrigerating plant declines the moisture content in air, the moisture content in air can avoid generating door glass less than saturated aqueous rate
Haze phenomenon.Refrigerating plant therein can be adapted for the various condensing units of dryer, such as cooling water, cooling air etc..
The hot time of hazing is according to the environment temperature to prestore in control device and the second relationship of hot time of hazing
Table and determine.Air heating power, the volume of washing chamber, laundry amounts can also be included with the data of hot time correlation of hazing
Deng.
Environment temperature and air heating time and the second relation table of hot time of hazing are obtained by experiment.
Second object of the present invention is to provide the washing machine that can prevent washing chamber's internal perisporium from hazing.
In order to realize the purpose, a kind of washing machine is provided, it includes control device, control device is configured to can be according to upper
The method control washing machine of text.
The present invention is further described below in conjunction with attached drawing.
【Description of the drawings】
Fig. 1 is washing machine schematic diagram；
Fig. 2 is the control flow schematic diagram of washing machine.
【Specific embodiment】
As shown in Figure 1, washing machine 10 has housing 1, outer barrel 2 and the roller 4 in outer barrel 2.Space in outer barrel 2 or
Claim the washing chamber 6 of clothing.Housing 1 is equipped with the door 8 for the entrance 61 for closing washing chamber 6.Door glass 12 is equipped in door 8 so that handy
Family is observed that clothing and its operation conditions in roller 4.
Lower is equipped with primary heater 14 in outer barrel 2, and washings can be heated in washing process.Primary heater 14 is attached
The first temperature sensor 16 is closely equipped with, can detect the temperature of washings.
Outer barrel 2 is communicated with condensation channel 18, and the outlet of condensation channel 18 then connects fan 20 and air heating channel
22.Secondary heater 24 is equipped in air heating channel 22.The outlet of air heating channel 22 connects again with 6 space of washing chamber
It is logical.Second temperature sensor 26 is equipped in condensation channel 18.Third temperature sensor 28 is equipped in air heating channel 22.Condensation
Water flow apparatus 30 is connected on channel 18 to provide the low-temperature receiver of heat exchange.In other embodiments, water flow apparatus 30 can use it
He replaces, such as air-cooling apparatus, evaporator etc. cooling device.
Washing machine 10 also comprising control device 32, controls each electric device in washing machine 10, so as to control washing machine 10.
As shown in Fig. 2, after washing procedure starts, clothing washs in washing chamber 6.Control device 32 obtains and storage environment
Temperature T0.Wherein environment temperature T0 is preferably detected before washings heating.Such as can be detected before water inlet or into
It is detected before washings heating after water.If detected before water inlet, can be passed by the first temperature sensor 16, second temperature
Any one detection in sensor 26, third temperature sensor 28 obtains.If detected after water inlet, can by and also can
To obtain detected value by second temperature sensor 26 or third temperature sensor 28.
Hereafter, water temperature T 1 is detected in washing process.Preferably, the water before dehydration last in washing procedure is detected
Warm T1.The water temperature T 1 of the step is measured by the first temperature sensor 16.
After washing journey, if the water temperature T 1 measured above is less than or equal to environment temperature T0, allows to open the door, wash simultaneously
It there's almost no temperature difference inside and outside room 6, water mist will not be generated substantially on 6 internal perisporium of washing chamber.
If the water temperature T 1 measured is more than environment temperature T0, obtained according to the difference T1-T0 of water temperature T 1 and environment temperature T0
Door glass cold conditions hazes time t0.Specifically, obtain the difference and door of water temperature T 1i and environment temperature T0i beforehand through experiment
Glass cold conditions hazes the first relation table of time t0 i.First relation table is also possible to the correlations such as the volume with washing chamber, laundry amounts
Even.Then the first obtained relation table is stored in control device 32.In washing machine in actual use, washing procedure terminates
Afterwards, before clothing is removed, control device 32 compares water temperature T 1 with the difference T1-T0 of environment temperature T0 with the first relation table
Corresponding or close door glass cold conditions is found out to haze time t0.
If being not gated in t0 times inside door 8 after washing procedure, door glass 12 will haze.First is opened at this time
Heater 14 and/or unlatching secondary heater 24.It is preferred to open fan 20 if opening secondary heater 24, it will be through second
Heater 24 heats air and introduces washing chamber 6, and the air themperature in washing chamber 6 is made to increase.
Subsequent control device 32 obtains the hot time t1 that hazes of door glass.Specifically, obtain environment beforehand through experiment
The second relation table of the temperature T0i and hot time t1i that hazes of door glass.Second relation table is also possible to and primary heater 14
And/or the heating power of secondary heater 24, the volume of washing chamber 6, laundry amounts etc. are associated.The second relationship that will then obtain
In table deposit control device 32.In washing machine in actual use, after washing procedure, before clothing is removed, and the
After one heater 14 and/or secondary heater 24 are opened, environment temperature T0 with the second relation table is compared and looked for by control device 32
Go out the hot time t1 that hazes of corresponding or close door glass.
Reach before the hot time t1 that hazes of door glass and ensure that air themperature in washing chamber 6 is less than the enabling temperature of setting,
Then allow to open the door.If reaching the enabling temperature that air themperature in door glass hot haze time t1 or washing chamber 6 is more than setting,
It then needs to close primary heater 14 and/or secondary heater 24, opens simultaneously refrigerating plant.Specific implementation shown in Fig. 1
In mode, refrigerating plant is water flow apparatus 30.Preferably, fan 20 is opened while opening water flow apparatus 30.Then in air
Moisture be condensed in condensation channel 18, moisture content in air declines, and can avoid generating door glass and haze phenomenon.Same space-time
Temperature degree reduces, and can open the door safely.
Claims (11)
1. a kind of control method of washing machine, wherein washing machine include washing chamber and include glass on washing chamber inlet
Door, it is characterised in that：Including execution washing procedure, after washing procedure and the door is opened in the past, according to washing journey
Water temperature and environment temperature in sequence obtain door glass cold conditions and haze the time, haze the time once reaching the cold conditions, then heating is washed
It washs indoor air or the air of heating is introduced into washing chamber.
2. the method as described in claim 1, it is characterised in that：Indoor air is washed in heating, and by being set on, washing is indoor to be added
Hot device is realized.
3. the method as described in claim 1, it is characterised in that：The air of heating is introduced into washing chamber by fan to washing
The air that room is blown into heating is realized.
4. the method as described in claim 1, it is characterised in that：Before the water temperature is dehydration last in washing procedure
Water temperature.
5. the method as described in claim 1, it is characterised in that：Determine that the haze premise of time of door glass cold conditions is the water temperature
Higher than environment temperature.
6. the method as described in claim 1, it is characterised in that：The cold conditions hazes the time according to the institute to prestore in control device
State the difference of water temperature and environment temperature and cold conditions haze the time the first relation table and determine.
7. method as claimed in claim 6, it is characterised in that：The difference of the water temperature and environment temperature hazes the time with cold conditions
The first relation table by experiment obtain.
8. the method as described in claim 1, it is characterised in that：Heating is washed indoor air or is introduced into washing chamber
After the air of heating, the door before unlatching, is obtained according to environment temperature, and door glass is hot to haze the time, once described in reaching
It is hot to haze the time, then refrigerating plant is opened to condense the moisture in air, reduces the moisture content of the air of washing chamber.
9. method as claimed in claim 8, it is characterised in that：The hot time of hazing is according to the ring to prestore in control device
The second relation table of border temperature and hot time of hazing and determine.
10. method as claimed in claim 9, it is characterised in that：Environment temperature and the second relation table of hot time of hazing lead to
Experiment is crossed to obtain.
11. a kind of washing machine, includes control device, it is characterised in that：Control device is configured to can be according to claim 1-10
In any one claim described in method control the washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611175217.1A CN108203868B (en) | 2016-12-19 | 2016-12-19 | Washing machine and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611175217.1A CN108203868B (en) | 2016-12-19 | 2016-12-19 | Washing machine and control method thereof |
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| CN108203868A true CN108203868A (en) | 2018-06-26 |
| CN108203868B CN108203868B (en) | 2021-02-09 |
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| CN201611175217.1A Active CN108203868B (en) | 2016-12-19 | 2016-12-19 | Washing machine and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235819A (en) * | 2018-11-09 | 2020-06-05 | 青岛海尔滚筒洗衣机有限公司 | Control method for laundry treating apparatus |
| CN113445271A (en) * | 2020-03-25 | 2021-09-28 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
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| CN101832692A (en) * | 2009-03-13 | 2010-09-15 | 海尔集团公司 | Device and method for removing dew on glass |
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| CN113445271A (en) * | 2020-03-25 | 2021-09-28 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
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| Publication number | Publication date |
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| CN108203868B (en) | 2021-02-09 |
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