CN102937363A - Condensation-proof heating control device of overturning beam of refrigerator and control method thereof - Google Patents
Condensation-proof heating control device of overturning beam of refrigerator and control method thereof Download PDFInfo
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- CN102937363A CN102937363A CN2012104242443A CN201210424244A CN102937363A CN 102937363 A CN102937363 A CN 102937363A CN 2012104242443 A CN2012104242443 A CN 2012104242443A CN 201210424244 A CN201210424244 A CN 201210424244A CN 102937363 A CN102937363 A CN 102937363A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 title claims abstract description 18
- 238000009833 condensation Methods 0.000 claims abstract description 27
- 238000005057 refrigeration Methods 0.000 claims description 26
- 230000007306 turnover Effects 0.000 claims description 11
- 230000000737 periodic effect Effects 0.000 claims description 4
- 230000005494 condensation Effects 0.000 abstract description 9
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention discloses a condensation-proof heating control device of an overturning beam of a refrigerator and a control method thereof. The heating control device comprises a refrigerating chamber display board arranged on the outer portion of the refrigerator, a heater arranged on the overturning beam of a refrigerating door and an environment temperature sensor arranged on the display board. The control method includes that a refrigerator control board determines the working mode of the heater according to the refrigerating state of the refrigerating chamber. If the refrigerating chamber begins refrigerating, the heater works in circulation in the way that the heater is powered for Ts minutes and electrified for Tr minutes till the refrigerating chamber stops refrigerating. If the refrigerating chamber stops refrigerating, the heater works once in the way the heater is powered off for Ts minutes and electrified for Tr minutes and then is disconnected till the refrigerating chamber begins refrigerating again. The control device does not increase hardware configuration of the refrigerator, achieves the aims of preventing condensation by changing the control method of the heater, and has the advantages of being simple, low in cost, energy-saving and reliable.
Description
Technical field:
The present invention relates to a kind of anti-condensation heating control apparatus and control method thereof of turnover beam of refrigerator.
Background technology:
If the refrigerating chamber of conventional refrigerator is designed to the door that two fans are split, so usually between its two fans door, a flip beam can be installed, so that overlap joint and the sealing of the door seal between two fan cold sotrage doors.But because flip beam thickness is less and the thermal conductivity of middle packing material is poor; cold compartment of refrigerator its surface temperature when normal refrigeration is lower, easily produces condensation, for preventing its surperficial condensation; usually can paste a heater at the flip beam inner surface, its surface temperature is raise.
The flip beam heater of above-mentioned general refrigerator is controlled by time variable usually, and for example heater energising outage in 50 minutes is 10 minutes, and constantly circulates by this cycle.Yet, under different environment temperatures and humidity, the dew-point temperature of air is different, if therefore the too short common meeting of time of heating causes and produce condensation under hot and humid environment because send out quantity not sufficient; If by the highest temperature and humidity condition setting, can cause again the flip beam surface temperature caused because caloric value is excessive far away higher than dew-point temperature heat time heating time, also can increase the power consumption of refrigerator under normal temperature or low temperature environment.
For this reason, some improved methods have also appearred in the numerous producers in industry, such as by increase humidity sensor, environment temperature sensor and anti-condensation surface temperature sensor in refrigerator, control software increases corresponding parameter database and a series of instruction is judged gathering the data of coming, and finally exports an instruction heater is controlled.By this hardware configuration, not only increased the cost of refrigerator, and made to control complex software, improved system matches difficulty, reduced the reliability of system.
Summary of the invention:
For overcoming the defect of prior art, the object of the present invention is to provide a kind of anti-condensation heating control apparatus and control method thereof of turnover beam of refrigerator, its controlling party ratio juris is: during the refrigerating chamber refrigeration, temperature descends, flip beam is owing between the restriction of architectural feature and refrigeration locular wall, having gap, the cooling gas leakage of refrigerating chamber out can cause its surface temperature synchronously to reduce, will produce condensation when the temperature on flip beam surface during lower than dew-point temperature, therefore to when freezing, refrigerating chamber allow heater work to improve the temperature on flip beam surface, make it higher than the dew-point temperature under current environment, when refrigerating chamber stops freezing, due to the temperature in refrigerating chamber usually 5 ℃ of left and right, if heater does not heat always, the temperature on flip beam surface will descend, therefore will produce condensation when lower than dew-point temperature, when refrigerating chamber does not freeze, heater also will heat the temperature that a period of time improves the flip beam surface.Control device of the present invention does not increase the hardware configuration of current refrigerator, by the control method that changes heater, just can reach anti-condensation purpose, has easy, with low cost, energy-conservation reliable advantage.
Technical solution problem of the present invention adopts following technical scheme:
A kind of anti-condensation heating control apparatus of turnover beam of refrigerator, comprise environment temperature sensor, be located at the refrigerating chamber display board of refrigerator outside, be located at the heater on the flip beam of cold sotrage door, described refrigerating chamber display board and described heater are electrically connected to the refrigerator control panel, and described environment temperature sensor is connected on described refrigerating chamber display board.
The power of described heater comes selected according to the surface area size of the volume size of cold compartment of refrigerator and flip beam shell, and while guaranteeing that refrigerator is worked under the highest temperature of applied code regulation, damp condition, the flip beam surface is without condensation.
The height of the environment temperature that described control panel collects according to described environment temperature sensor, control the start/stop of described heater.Described heater sticks on the inner surface of described flip beam shell.
A kind of control method of anti-condensation heating control apparatus of turnover beam of refrigerator, described refrigerator control panel decides the working method of described heater according to the refrigerating state of refrigerating chamber, if refrigerating chamber starts refrigeration, heater is according to outage Ts minute, the energising mode periodic duty of Tr minute, until refrigerating chamber stops refrigeration so; If refrigerating chamber stops refrigeration, according to outage Ts minute, the energising mode work of Tr minute once, then outage is until refrigerating chamber starts refrigeration to heater again so.
Described time T r and ratio (Ts+Tr), be also that dutycycle is that the ambient temperature value detected to environment temperature sensor is directly proportional, and more high duty ratio is larger for environment temperature, otherwise less.
Compared with the prior art, beneficial effect of the present invention is embodied in:
In the present invention, environment temperature sensor is located on the display board of refrigerator cold-storage door, not only environment temperature can be detected accurately, and has saved the sensor connecting line, and cost is lower than other modes.
Control device of the present invention does not increase the hardware configuration of current refrigerator, by the control method that changes heater, just can reach anti-condensation purpose, has easy, with low cost, energy-conservation reliable advantage.
The accompanying drawing explanation:
Fig. 1 is anti-condensation heating control apparatus structural representation of the present invention; The control flow chart that Fig. 2 is anti-condensation method for heating and controlling of the present invention; The working state schematic representation that Fig. 3 is heater under the different refrigerating states of refrigerating chamber.
Number in the figure: 1 refrigerator, 2 environment temperature sensors, 3 refrigerating chamber display boards, 4 flip beams, 5 heaters, 6 control panels.
Below pass through the specific embodiment, and the invention will be further described by reference to the accompanying drawings.
The specific embodiment:
Embodiment: referring to Fig. 1, the anti-condensation heating control apparatus of the turnover beam of refrigerator of the present embodiment, it comprises environment temperature sensor 2, is located at the refrigerating chamber display board 3 of refrigerator 1 outside, be located at the heater 5 on the flip beam 4 of cold sotrage door, environment temperature sensor 2 is connected on refrigerating chamber display board 3, not only environment temperature can be detected accurately, and save the sensor connecting line, cost is lower than other modes.Refrigerating chamber display board 3 and heater 5 are electrically connected to refrigerator control panel 6.
The height of the environment temperature that control panel 6 collects according to environment temperature sensor 2, control the start/stop of described heater 5.In specifically arranging, heater 5 sticks on the inner surface of flip beam 4 shells.
The control method of the anti-condensation heating control apparatus of the turnover beam of refrigerator of the present embodiment, refrigerator control panel 6 decides the working method of described heater 5 according to the refrigerating state of refrigerating chamber, if refrigerating chamber starts refrigeration, heater 5 is according to outage Ts minute, the energising mode periodic duty of Tr minute, until refrigerating chamber stops refrigeration so; If refrigerating chamber stops refrigeration, according to outage Ts minute, the energising mode work of Tr minute once, then outage is until refrigerating chamber starts refrigeration to heater 5 again so.Described time T r and ratio (Ts+Tr), be also that dutycycle is that the ambient temperature value detected to environment temperature sensor 2 is directly proportional, and more high duty ratio is larger for environment temperature, otherwise less.
After refrigerator is started working, control panel is first determined the duty of refrigerating chamber:
1) if refrigerating chamber starts refrigeration, at first control panel gathers the temperature of environment temperature sensor so, height according to temperature value, control panel is determined the value of Ts and Tr, then heater by outage Ts minute, the energising mode work of Tr minute once, then redefine refrigerating chamber and whether freeze, if refrigeration repeats top step;
2) if refrigerating chamber does not freeze, control panel gathers the temperature of environment temperature sensor, height according to temperature value, control panel is determined the value of Ts and Tr, then whether heater by outage Ts minute, the energising mode work of Tr minute once, then redefines refrigerating chamber and freezes, if refrigeration is carried out according to step 1), do not wait for until refrigerating chamber starts refrigeration if do not freeze, then carry out according to step 1).
The desired ambient temperature range of the widest climate zone that refrigerator is used at present is generally 10 ℃～43 ℃, and in an embodiment of the present invention, the ambient temperature range that refrigerator is used is divided into two temperature ranges, as shown in Figure 3.With reference to the corresponding relation between known wet-bulb temperature (being also dew-point temperature), dry-bulb temperature (being environment temperature), relative humidity (being also humidity) in corresponding field, find out the dew-point temperature that each interval maximum temperature is corresponding.And then refrigerator is placed on to environmental laboratory carries out condensation test, the maximum temperature that the dry-bulb temperature of experiment condition is temperature range 1, the dew-point temperature that wet-bulb temperature is above-mentioned correspondence.In experiment by adjusting the dutycycle of heater work, thereby corresponding numerical value Ts1 and Tr1 while finding the flip beam surface without condensation.In like manner can determine the corresponding numerical value Ts2 of temperature range 2 and Tr2.
As shown in Figure 3, during the refrigerating chamber refrigeration, if if the ambient temperature value that environment temperature sensor 2 collects is within temperature range 1 time, control panel 6 will be according to the numerical value Ts1 and the Tr1 that are pre-stored in single-chip microcomputer, the mode periodic duty that then control heater switches on Tr1 minute by outage in Ts1 minute, until refrigerating chamber stops refrigeration; If refrigerating chamber stops refrigeration, according to outage Ts1 minute, the energising mode work of Tr1 minute once, then outage is until refrigeration starts refrigeration to heater again so.In like manner, if if the ambient temperature value that environment temperature sensor 2 collects within temperature range 2 time, the mode that control panel 6 makes heater then switch on Tr2 minute in Ts2 minute by outage is worked.
Illustrate as follows: as encircle temperature be 20 ℃ between 10 ℃～25 ℃, control program can carry out control heater according to pre-stored numerical value automatically: during the refrigerating chamber refrigeration, heater is by 5 minutes, the mode cycle work of switching on 30 minutes of cutting off the power supply; During refrigerating chamber does not freeze, heater by outage 5 minutes, the work pattern of switching on 30 minutes once.
Ambient temperature range of the present invention, also can be segmented according to the difference of refrigerator, as be divided into three temperature ranges, can determine so accordingly the dutycycle of three groups of different heater work by match test, but control method is the same with principle.
The present invention decides the working method of heater according to the refrigerating state of refrigerating chamber, the dutycycle of automatically regulating the work of refrigeration flip beam heater by the variation of environment temperature, can effectively meet the anti-condensation demand of flip beam under different service conditions.Control method of the present invention is simple, easily realization, and is easy to safeguard, also do not need the temperature sensor on high-precision humidity sensor and anti-condensation surface simultaneously, therefore, no matter be from hardware or the angle of software, cost of the present invention is all very cheap.
Claims (5)
1. the anti-condensation heating control apparatus of a turnover beam of refrigerator, comprise environment temperature sensor (2), be located at the outside refrigerating chamber display board (3) of refrigerator (1), be located at the heater (5) on the flip beam (4) of cold sotrage door, described refrigerating chamber display board (3) and described heater (5) are electrically connected to refrigerator control panel (6), it is characterized in that, described environment temperature sensor (2) is connected on described refrigerating chamber display board (3).
2. the anti-condensation heating control apparatus of a kind of turnover beam of refrigerator according to claim 1, it is characterized in that, the height of the environment temperature that described control panel (6) collects according to described environment temperature sensor (2), control the start/stop of described heater (5).
3. the anti-condensation heating control apparatus of a kind of turnover beam of refrigerator according to claim 1, is characterized in that, described heater (5) sticks on the inner surface of described flip beam (4) shell.
4. the control method of the anti-condensation heating control apparatus of a turnover beam of refrigerator claimed in claim 1, it is characterized in that, described refrigerator control panel (6) decides the working method of described heater (5) according to the refrigerating state of refrigerating chamber, if refrigerating chamber starts refrigeration, heater (5) is according to outage Ts minute, the energising mode periodic duty of Tr minute, until refrigerating chamber stops refrigeration so; If refrigerating chamber stops refrigeration, according to outage Ts minute, the energising mode work of Tr minute once, then outage is until refrigerating chamber starts refrigeration to heater (5) again so.
5. control method according to claim 4, it is characterized in that, described time T r and ratio (Ts+Tr), be also that dutycycle is that the ambient temperature value detected to environment temperature sensor (2) is directly proportional, be environment temperature more high duty ratio is larger, otherwise less.
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| CN201210424244.3A CN102937363B (en) | 2012-10-30 | 2012-10-30 | Condensation-proof heating control device of overturning beam of refrigerator and control method thereof |
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| CN201210424244.3A CN102937363B (en) | 2012-10-30 | 2012-10-30 | Condensation-proof heating control device of overturning beam of refrigerator and control method thereof |
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| CN102937363B CN102937363B (en) | 2014-10-08 |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006623A (en) * | 2014-05-06 | 2014-08-27 | 合肥荣事达三洋电器股份有限公司 | Anti-condensation control device for French hinged-door refrigerator and control method of anti-condensation control device for French hinged-door refrigerator |
| CN105222476A (en) * | 2015-10-13 | 2016-01-06 | 合肥晶弘三菱电机家电技术开发有限公司 | A kind of anti-condensation heating system of turnover beam of refrigerator and control method thereof |
| CN105514838A (en) * | 2015-12-31 | 2016-04-20 | 北京天诚同创电气有限公司 | Heating control method and device for converter cabinet of wind generating set |
| CN106016914A (en) * | 2016-05-30 | 2016-10-12 | Tcl家用电器（合肥）有限公司 | Dewdrop-proof heating control method and device |
| CN107860163A (en) * | 2017-10-19 | 2018-03-30 | 合肥华凌股份有限公司 | The control method of refrigerator and there is its refrigerator |
| CN108151425A (en) * | 2017-11-24 | 2018-06-12 | 青岛海尔股份有限公司 | The anti-condensation method of refrigerator and refrigerator vertical beam with condensation-preventing device |
| CN108955023A (en) * | 2018-09-05 | 2018-12-07 | 长虹美菱股份有限公司 | A kind of refrigerator and control method carrying magnetic field release device |
| CN110044121A (en) * | 2019-05-22 | 2019-07-23 | 长虹美菱股份有限公司 | A kind of refrigerator door seal bar assembly and its control method |
| CN110108080A (en) * | 2019-05-15 | 2019-08-09 | 河南新飞制冷器具有限公司 | Turnover beam of refrigerator anti-dewfall structure and condensation prevention control method |
| CN110595139A (en) * | 2019-09-10 | 2019-12-20 | 合肥晶弘电器有限公司 | Refrigerator overturning beam condensation prevention control method and device, control equipment 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 |
| CN111288729A (en) * | 2020-02-19 | 2020-06-16 | 长虹美菱股份有限公司 | Refrigerator with anti-condensation device and anti-condensation control method |
| CN112586985A (en) * | 2020-12-23 | 2021-04-02 | 六安索伊电器制造有限公司 | High-efficient freeze-proof prevents beverage machine door that dew seals |
| CN114198972A (en) * | 2020-09-18 | 2022-03-18 | 海信（山东）冰箱有限公司 | Condensation preventing method for refrigerator vacuum plastic package module and refrigerator |
| CN115407809A (en) * | 2022-08-17 | 2022-11-29 | 厦门科牧智能技术有限公司 | Anti-condensation control method and device for toilet controller and readable medium |
| CN115420060A (en) * | 2022-09-26 | 2022-12-02 | 河南新飞智家科技有限公司 | Dew removal control method for air-cooled refrigerator |
| WO2023185839A1 (en) * | 2022-04-02 | 2023-10-05 | 青岛海尔电冰箱有限公司 | Microfluidic detection system and control method therefor, and refrigerator |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006623A (en) * | 2014-05-06 | 2014-08-27 | 合肥荣事达三洋电器股份有限公司 | Anti-condensation control device for French hinged-door refrigerator and control method of anti-condensation control device for French hinged-door refrigerator |
| CN105222476A (en) * | 2015-10-13 | 2016-01-06 | 合肥晶弘三菱电机家电技术开发有限公司 | A kind of anti-condensation heating system of turnover beam of refrigerator and control method thereof |
| CN105514838A (en) * | 2015-12-31 | 2016-04-20 | 北京天诚同创电气有限公司 | Heating control method and device for converter cabinet of wind generating set |
| CN106016914A (en) * | 2016-05-30 | 2016-10-12 | Tcl家用电器（合肥）有限公司 | Dewdrop-proof heating control method and device |
| CN106016914B (en) * | 2016-05-30 | 2019-02-22 | Tcl家用电器（合肥）有限公司 | Anti- dewdrop method for heating and controlling and device |
| CN107860163A (en) * | 2017-10-19 | 2018-03-30 | 合肥华凌股份有限公司 | The control method of refrigerator and there is its refrigerator |
| CN108151425A (en) * | 2017-11-24 | 2018-06-12 | 青岛海尔股份有限公司 | The anti-condensation method of refrigerator and refrigerator vertical beam with condensation-preventing device |
| CN108955023A (en) * | 2018-09-05 | 2018-12-07 | 长虹美菱股份有限公司 | A kind of refrigerator and control method carrying magnetic field release device |
| CN108955023B (en) * | 2018-09-05 | 2023-09-15 | 长虹美菱股份有限公司 | Refrigerator with magnetic field release device and control method |
| CN110108080B (en) * | 2019-05-15 | 2021-05-25 | 河南新飞制冷器具有限公司 | Anti-condensation structure of refrigerator turnover beam and anti-condensation control method |
| CN110108080A (en) * | 2019-05-15 | 2019-08-09 | 河南新飞制冷器具有限公司 | Turnover beam of refrigerator anti-dewfall structure and condensation prevention control method |
| CN110044121A (en) * | 2019-05-22 | 2019-07-23 | 长虹美菱股份有限公司 | A kind of refrigerator door seal bar assembly and its control method |
| CN110595139A (en) * | 2019-09-10 | 2019-12-20 | 合肥晶弘电器有限公司 | Refrigerator overturning beam condensation prevention control method and device, control equipment 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 |
| CN111288729A (en) * | 2020-02-19 | 2020-06-16 | 长虹美菱股份有限公司 | Refrigerator with anti-condensation device and anti-condensation control method |
| CN114198972A (en) * | 2020-09-18 | 2022-03-18 | 海信（山东）冰箱有限公司 | Condensation preventing method for refrigerator vacuum plastic package module and refrigerator |
| CN112586985A (en) * | 2020-12-23 | 2021-04-02 | 六安索伊电器制造有限公司 | High-efficient freeze-proof prevents beverage machine door that dew seals |
| WO2023185839A1 (en) * | 2022-04-02 | 2023-10-05 | 青岛海尔电冰箱有限公司 | Microfluidic detection system and control method therefor, and refrigerator |
| CN115407809A (en) * | 2022-08-17 | 2022-11-29 | 厦门科牧智能技术有限公司 | Anti-condensation control method and device for toilet controller and readable medium |
| CN115407809B (en) * | 2022-08-17 | 2024-01-02 | 厦门科牧智能技术有限公司 | Anti-condensation control method and device for toilet controller and readable medium |
| CN115420060A (en) * | 2022-09-26 | 2022-12-02 | 河南新飞智家科技有限公司 | Dew removal control method for air-cooled refrigerator |
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