CN103851855A - Anti-condensation control method of refrigerator - Google Patents
Anti-condensation control method of refrigerator Download PDFInfo
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- CN103851855A CN103851855A CN201310370841.7A CN201310370841A CN103851855A CN 103851855 A CN103851855 A CN 103851855A CN 201310370841 A CN201310370841 A CN 201310370841A CN 103851855 A CN103851855 A CN 103851855A
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- refrigerator
- removing tube
- condensation
- dew removing
- rotating speed
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- 238000009833 condensation Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005057 refrigeration Methods 0.000 claims abstract description 27
- 230000005494 condensation Effects 0.000 claims description 56
- 230000002265 prevention Effects 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007710 freezing Methods 0.000 abstract description 6
- 230000008014 freezing Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to an anti-condensation control method of a refrigerator. An anti-condensation system of the refrigerator comprises a compressor, a condenser, a condensate fan, a dew removing tube and an environment humidity sensor, wherein an inlet of the dew removing tube is connected with an outlet of the condenser; a controller of the refrigerator is used for controlling the temperature of the dew removing tube by adjusting the rotating speed of the condensate fan according to the change of the environment humidity outside the refrigerator. After the anti-condensation control method is adopted, the temperature in the dew removing tube is matched with the outside humidity, so that the refrigeration effect of a refrigerating chamber and a freezing chamber is prevented from being influenced by the continuous overhigh temperature of refrigerant in the dew removing tube, the refrigerating efficiency is higher, and more energy can be saved.
Description
Technical field
The present invention relates to a kind of condensation prevention control method of refrigerator, particularly a kind of can be only by regulating condensation fan rotating speed reach the control method of anti-condensation effect, belong to the technical field of refrigerator.
Background technology
General refrigerator, in the situation that ambient humidity is high, there will be condensation problem, at present except one of way of revealing is to remove dew by dew removing tube is set.
In the patent of invention that the publication number of China is CN102997553A at present, a kind of dew removing tube and control mode thereof are disclosed, cold-producing medium after condenser condenses enters dew removing tube and removes dew, between dew removing tube and condenser, the entrance point of dew removing tube arranges magnetic valve, is used for switching the switching except dew process.Ambient humidity sensor is set and sets between a humidity threshold value or humidity province, the ambient humidity value recording when ambient humidity sensor be greater than humidity threshold value or in humidity province in time, cold-producing medium enters dew removing tube except revealing, the ambient humidity value recording when ambient humidity sensor lower than set humidity threshold value time, cold-producing medium stops entering dew removing tube, except dew process finishes.
The fairly simple convenience of this control method, but due to remove reveal process in, a fixed temperature of the general maintenance of refrigerant temperature in dew removing tube, in the time that temperature is higher, the lasting higher temperature of dew removing tube inner refrigerant can impact the refrigeration of chamber between refrigerator inside, cause the thermic load of chamber between refrigerator inside to increase, increase on the contrary energy consumption.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, and provide and can regulate condensation fan rotating speed according to refrigerator external environment condition humidity, thus the condensation prevention control method of a kind of refrigerator of adjusting dew removing tube temperature.
For achieving the above object, technical scheme of the present invention is:
A kind of condensation prevention control method of refrigerator, the anti-condensation system of described refrigerator comprises compressor, condenser, condensation fan, dew removing tube, ambient humidity sensor, the import of described dew removing tube is connected with the outlet of described condenser, the controller of described refrigerator is according to the variation of the external environment condition humidity of described refrigerator, by regulating the rotating speed of described condensation fan to control the temperature of described dew removing tube.
Further, in the time that chamber between at least one in described refrigerating chamber and described refrigerating chamber starts to freeze, start except revealing simultaneously, in described refrigeration with in except the running revealing, in the time that described ambient humidity increases, described in described controller control, the rotating speed of condensation fan reduces, improve the temperature of described dew removing tube, in the time that described ambient humidity reduces, described in described controller control, the rotating speed of condensation fan increases, reduce the temperature of described dew removing tube, in the time that described refrigerating chamber and described refrigerating chamber all finish to freeze, describedly finish except dew process.
Further, the humidity value that described controller records according to described ambient humidity sensor, flows to the voltage of described condensation fan by relay adjustment, thereby changes the rotating speed of described condensation fan, to change the temperature of described dew removing tube.
Further, described ambient humidity is divided into n rank R1, R2 ... Rn, described ambient humidity increases step by step, divides city n rank S1, S2 accordingly by the rotating speed of described condensation fan ... Sn, the rotating speed of described condensation fan reduces step by step.
In sum, the condensation prevention control method of a kind of refrigerator provided by the invention, by the ambient humidity sensor of measuring external environment condition humidity is set on refrigerator, make refrigerator according to the rotating speed of external environment condition humidity situation control condensation fan, the temperature that changes dew removing tube inner refrigerant reaches except revealing effect, and by the temperature of adjusting the cold-producing medium in dew removing tube, it is matched from different extraneous humidity, in the time that external environment condition humidity ratio is lower, refrigerant temperature in dew removing tube is also lower, avoid dew removing tube inner refrigerant temperature to continue too high and affected the situation of the refrigeration of refrigerating chamber and refrigerating chamber, refrigerating efficiency is higher, more energy-conservation.
Brief description of the drawings
Fig. 1 is refrigeration system schematic diagram of the present invention;
Fig. 2 is condensation prevention control method schematic diagram of the present invention.
As depicted in figs. 1 and 2, compressor 1, condenser 2, refrigerating evaporator 3, refrigeration evaporator 4, condensation fan 5, freezing blower fan 6, refrigeration blower fan 7, dew removing tube 8, filter 9, magnetic valve 10, capillary 11, muffler 12, muffler 13.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As shown in Figure 1, a kind of condensation prevention control method of refrigerator, the refrigeration system of this wind cooling refrigerator comprises compressor 1, condenser 2, refrigerating evaporator 3, refrigeration evaporator 4, condensation fan 5, freezing blower fan 6, refrigeration blower fan 7, controller, temperature sensor.
The cold-producing medium that compressor 1 compresses enters condenser 2 and air heat-exchange, open condensation fan 5 and accelerate the cooling procedure of cold-producing medium, cooled cold-producing medium enters dew removing tube 8 except revealing, after revealing, enter filter 9 and magnetic valve 10, be divided into two-way by magnetic valve 10, enter two-way capillary 11, wherein a road capillary 11 is connected with the import of refrigeration evaporator 4, another road capillary 11 is connected with the import of refrigerating evaporator 3, between the outlet of refrigeration evaporator 4 and the inlet ductwork of refrigerating evaporator 3, be connected with muffler 12, between refrigerating evaporator 3 and compressor 1, be connected with muffler 13.
When refrigerating chamber separate refrigeration, cold-producing medium enters refrigeration evaporator 4 by capillary 11, enters refrigerating evaporator 3 from refrigeration evaporator 4 out.
When refrigerating chamber separate refrigeration, cold-producing medium enters refrigerating evaporator 3 by capillary 11.
When refrigerating chamber and refrigerating chamber freeze simultaneously, cold-producing medium enters respectively refrigeration evaporator 4 and refrigerating evaporator 3 by two capillaries 11, enter refrigerating evaporator 3 from refrigeration evaporator 4 cold-producing medium out, freeze for refrigerating evaporator 3 with enter the cold-producing medium of refrigerating evaporator 3 from capillary 11 together with.
Cold-producing medium is flowed through after refrigerating evaporator 3 and is returned compressor 1, thus circularly cooling by muffler 13.
Hence one can see that, and when refrigerating chamber separate refrigeration, condensation fan 5, refrigeration blower fan 7 and freezing blower fan 6 all need to open, and when refrigerating chamber separate refrigeration, only have condensation fan 5 and freezing blower fan 6 to open.
The anti-condensation parts of refrigerator comprise dew removing tube 8, ambient humidity sensor, on the refrigerating chamber of refrigerator and the door body of refrigerating chamber with on casing joint or the independent door body at refrigerating chamber, with casing joint, dew removing tube 8 is all set, in the time that refrigerating chamber and refrigerating chamber all arrange dew removing tube 8, two groups of dew removing tubes 8 are communicated with, the import of the dew removing tube 8 in two kinds of situations is all connected with the outlet of condenser 2, the outlet of dew removing tube 8 is connected with the import of filter 9, cold-producing medium enter dew removing tube 8 after by condenser 2 condensations except after revealing again by filter 9 with magnetic valve 10 enters refrigerating chamber and refrigerating chamber freezes.Ambient humidity sensor setting is at fridge exterior face, as hinge covers, in top cover, in the display window on door etc.
General refrigerator can regulate according to the temperature inside and outside the humidity of external environment condition and refrigerator the temperature of dew removing tube 8, but control more complicated, the major influence factors of refrigerator door seal place dewfall is the humidity of external environment condition, therefore in this embodiment the controller of refrigerator only according to the variation of refrigerator external environment condition humidity, by regulating the rotating speed of condensation fan 5 to change the temperature of the cold-producing medium in condenser 2, thereby the temperature that changes dew removing tube 8 inner refrigerants, reaches anti-condensation object.
In the time that in refrigerating chamber and refrigerating chamber, between at least one, chamber starts to freeze, start except revealing simultaneously, remove reveal process in, in the time that ambient humidity increases, the rotating speed of controller control condensation fan 5 reduces, improve the temperature of condenser 2 inner refrigerants, make the increase in temperature of dew removing tube 8 inner refrigerants, reach anti-condensation effect.
In the time that ambient humidity reduces, the rotating speed of controller control condensation fan 5 increases, and reduces the temperature of condenser 2 inner refrigerants, the temperature of dew removing tube 8 inner refrigerants is reduced, reduce the thermic load of each chamber of refrigerator, in the time that refrigerating chamber and refrigerating chamber all finish to freeze, except dew process finishes.
The humidity value that controller records according to ambient humidity sensor, flows to the voltage of condensation fan 5 by relay adjustment, thereby changes the rotating speed of condensation fan 5, to change the temperature of dew removing tube 8.
Ambient humidity is divided into n rank R1, R2 ... Rn, ambient humidity increases step by step, divides city n rank S1, S2 accordingly by the rotating speed of condensation fan 5 ... Sn, the rotating speed of condensation fan 5 successively decreases step by step.
Above-mentioned each parameter is determined according to calculate and empirical value etc. by technical staff, in order to control simply, has only set several humidity ranges at present, in certain humidity range, selects the rotating speed of certain condensation fan 5 to reach anti-condensation effect.This control procedure is as follows:
As shown in Figure 2, step 1, controller judges whether compressor 1 is opened.
If open, perform step 2, signal is passed to ambient humidity sensor by controller, and ambient humidity sensor starts to detect refrigerator external environment condition humidity, and humidity value is passed to controller.
Then perform step 3, controller judges humidity value is in which interval.
Then return to step 1, continue to judge whether compressor 1 is opened.
If compressor 1 has been opened, execution step 2, in a manner described operation.
If compressor 1 is not opened, perform step 5, ambient humidity sensor stops detecting external environment condition humidity.
It is supporting that technical staff can select to set the rotating speed of more humidity range or humidity value and corresponding condensation fan 5, reaches anti-condensation effect.
The use of this condensation prevention control method is not limited to the refrigeration system in this embodiment, for other refrigeration systems, as long as be connected with the outlet of condenser 2 in the import of dew removing tube 8, and being provided with in the situation of condensation fan 5 just to use this control method to remove dew, technical staff can choose between different ambient humidity value or humidity province according to concrete refrigeration system situation, determines that according to concrete humidity situation the rotating speed of condensation fan 5 reaches anti-condensation effect.
The condensation prevention control method of this refrigerator, by the ambient humidity sensor of measuring external environment condition humidity is set on refrigerator, make refrigerator according to the rotating speed of external environment condition humidity situation control condensation fan 5, reach anti-condensation effect with the temperature that changes dew removing tube 8 inner refrigerants, and by the temperature of adjusting the cold-producing medium in dew removing tube 8, it is matched from different extraneous humidity, in the time that external environment condition humidity ratio is lower, refrigerant temperature in dew removing tube 8 is also lower, avoid dew removing tube 8 inner refrigerant temperature to continue too high and affected the situation of the refrigeration of refrigerating chamber and refrigerating chamber, and this control mode only can realize by setup control program, without the extra hardware that increases, can not increase manufacturing cost.
As above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not depart from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. the condensation prevention control method of a refrigerator, the anti-condensation system of described refrigerator comprises compressor, condenser, condensation fan, dew removing tube, ambient humidity sensor, the import of described dew removing tube is connected with the outlet of described condenser, it is characterized in that: the controller of described refrigerator is according to the variation of described refrigerator external environment condition humidity, by regulating the rotating speed of described condensation fan to control the temperature of described dew removing tube.
2. the condensation prevention control method of a kind of refrigerator according to claim 1, it is characterized in that: in the time that chamber between at least one in described refrigerating chamber and described refrigerating chamber starts to freeze, start except revealing simultaneously, in described refrigeration with in except the running revealing, in the time that described ambient humidity increases, described in described controller control, the rotating speed of condensation fan reduces, improve the temperature of described dew removing tube, in the time that described ambient humidity reduces, described in described controller control, the rotating speed of condensation fan increases, reduce the temperature of described dew removing tube, in the time that described refrigerating chamber and described refrigerating chamber all finish to freeze, the described dew process of removing finishes.
3. the condensation prevention control method of a kind of refrigerator according to claim 2, it is characterized in that: the humidity value that described controller records according to described ambient humidity sensor, flow to the voltage of described condensation fan by relay adjustment, thereby change the rotating speed of described condensation fan, to change the temperature of described dew removing tube.
4. the condensation prevention control method of a kind of refrigerator according to claim 3, it is characterized in that: described ambient humidity is divided into n rank R1, R2 ... Rn, described ambient humidity increases step by step, accordingly divide city n rank S1, S2 by the rotating speed of described condensation fan ... Sn, the rotating speed of described condensation fan reduces step by step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370841.7A CN103851855B (en) | 2013-08-23 | 2013-08-23 | A kind of condensation prevention control method of refrigerator |
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| CN201310370841.7A CN103851855B (en) | 2013-08-23 | 2013-08-23 | A kind of condensation prevention control method of refrigerator |
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| CN103851855A true CN103851855A (en) | 2014-06-11 |
| CN103851855B CN103851855B (en) | 2016-06-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885401A (en) * | 2017-02-14 | 2017-06-23 | 合肥美的电冰箱有限公司 | A kind of condensation prevention refrigeration system and method and refrigerator |
| CN110887313A (en) * | 2019-10-17 | 2020-03-17 | 合肥华凌股份有限公司 | Dew removal pipe temperature control method for refrigerator, electronic device and medium |
| CN111197900A (en) * | 2020-03-10 | 2020-05-26 | 合肥华凌股份有限公司 | Refrigeration equipment and control method and device thereof |
| CN111595088A (en) * | 2020-05-15 | 2020-08-28 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| CN114719506A (en) * | 2022-03-03 | 2022-07-08 | 青岛海尔生物医疗股份有限公司 | Refrigerator and control method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106885401A (en) * | 2017-02-14 | 2017-06-23 | 合肥美的电冰箱有限公司 | A kind of condensation prevention refrigeration system and method and refrigerator |
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| CN110887313A (en) * | 2019-10-17 | 2020-03-17 | 合肥华凌股份有限公司 | Dew removal pipe temperature control method for refrigerator, electronic device and medium |
| CN111197900A (en) * | 2020-03-10 | 2020-05-26 | 合肥华凌股份有限公司 | Refrigeration equipment and control method and device thereof |
| CN111595088A (en) * | 2020-05-15 | 2020-08-28 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| CN114719506A (en) * | 2022-03-03 | 2022-07-08 | 青岛海尔生物医疗股份有限公司 | Refrigerator and control method thereof |
| CN114719506B (en) * | 2022-03-03 | 2023-10-24 | 青岛海尔生物医疗股份有限公司 | Refrigerator and control method thereof |
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| Publication number | Publication date |
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| CN103851855B (en) | 2016-06-08 |
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Address after: 266736, No. 8, Hisense Avenue, South Village, Pingdu City, Shandong, Qingdao Patentee after: HISENSE (SHANDONG) REFRIGERATOR Co.,Ltd. Address before: 266101 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE (SHANDONG) REFRIGERATOR Co.,Ltd. |
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Address after: No. 8 Haixin Avenue, Nancun Town, Pingdu City, Qingdao City, Shandong Province Patentee after: Hisense refrigerator Co.,Ltd. Country or region after: China Address before: No. 8 Haixin Avenue, Nancun Town, Pingdu City, Qingdao City, Shandong Province Patentee before: HISENSE (SHANDONG) REFRIGERATOR Co.,Ltd. Country or region before: China |