CN202885435U - Condensation-prevention heating control device of refrigerator overturning beam - Google Patents
Condensation-prevention heating control device of refrigerator overturning beam Download PDFInfo
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- CN202885435U CN202885435U CN201220561999.3U CN201220561999U CN202885435U CN 202885435 U CN202885435 U CN 202885435U CN 201220561999 U CN201220561999 U CN 201220561999U CN 202885435 U CN202885435 U CN 202885435U
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- refrigerator
- refrigerating chamber
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- environment temperature
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 238000009833 condensation Methods 0.000 claims description 22
- 230000007306 turnover Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 12
- 238000005057 refrigeration Methods 0.000 description 22
- 230000005494 condensation Effects 0.000 description 8
- 230000000737 periodic effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004134 energy conservation Methods 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 utility model discloses a condensation-prevention heating control device of a refrigerator overturning beam. The condensation-prevention heating control device of a refrigerator overturning beam comprises an environment temperature sensor, a refrigerating chamber display panel arranged outside a refrigerator, and a heater arranged on the overturning beam of a refrigerating door, wherein the refrigerating chamber display panel and the heater are in electric connection with a refrigerator control panel, and the environment temperature sensor is connected on the refrigerating chamber display panel. According to the condensation-prevention heating control device of the refrigerator overturning beam, the environment temperature sensor is arranged on a display panel of the refrigerating door, the environment temperature can be accurately detected, a connection wire of the sensor is eliminated, and the cost is lower compared with other methods.
Description
Technical field:
The utility model relates to a kind of anti-condensation heating control apparatus 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 the two fan cold sotrage doors.But because flip beam thickness thermal conductivity less and middle packing material is relatively poor; cold compartment of refrigerator its surface temperature when normal refrigeration is lower, produces easily 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, produces condensation if the too short common meeting of time of therefore heating causes because send out quantity not sufficient under hot and humid environment; If then again can cause the flip beam surface temperature that under normal temperature or low temperature environment because caloric value excessive cause far away to be higher than dew-point temperature by the highest temperature and humidity condition setting heat time heating time, also can increase the power consumption of refrigerator.
For this reason, some Innovative methods have also appearred in the numerous producers in the industry, such as by in refrigerator, increasing humidity sensor, environment temperature sensor and anti-condensation surface temperature sensor, control software then increases corresponding parameter database and a series of instruction is judged gathering the data of coming, and exports at last an instruction heater is controlled.By this hardware configuration, not only increased the cost of refrigerator, and made the control complex software, improved system matches difficulty, reduced the reliability of system.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of anti-condensation heating control apparatus of turnover beam of refrigerator, environment temperature sensor is located on the display board of refrigerator cold-storage door, not only can detect accurately environment temperature, and having saved the sensor connecting line, cost is lower than other modes.The control method principle of this heating control apparatus is: drop in temperature during the refrigerating chamber refrigeration, flip beam is owing to exist the slit between the restriction of architectural feature and refrigeration locular wall, the cooling gas leakage of refrigerating chamber out can cause its surface temperature to reduce synchronously, when being lower than dew-point temperature, the temperature on flip beam surface will produce condensation, therefore to when refrigerating chamber freezes, allow heater work to improve the temperature on flip beam surface, make it be higher than dew-point temperature under the current environment; When refrigerating chamber stops to freeze, because the temperature in the refrigerating chamber is usually about 5 ℃, if heater does not heat always, the temperature on flip beam surface will descend, therefore will produce condensation when being lower than dew-point temperature, heater also will heat the temperature that a period of time improves the flip beam surface when refrigerating chamber does not freeze.
The utility model technical solution problem 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 with the refrigerator control panel, and described environment temperature sensor is connected on the 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 when 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 is controlled the start/stop of described heater.Described heater sticks on the inner surface of described flip beam shell.
The control method of the utility model heating control apparatus is, the refrigerator control panel decides the working method of heater according to the refrigerating state of refrigerating chamber, if refrigerating chamber begins refrigeration, heater is according to outage Ts minute, Tr minute mode periodic duty of energising, until refrigerating chamber stops refrigeration so; If refrigerating chamber stops refrigeration, then heater according to outage Ts minute, Tr minute mode work of energising once cuts off the power supply until refrigerating chamber begins refrigeration again so.
Described time T r and ratio (Ts+Tr) also are that the ambient temperature value that dutycycle is with environment temperature sensor detects is directly proportional, and namely more high duty ratio is larger for environment temperature, otherwise then less.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
Environment temperature sensor is located on the display board of refrigerator cold-storage door in the utility model, not only can detect accurately environment temperature, and has saved the sensor connecting line, and cost is lower than other modes.
The utility model control device does not increase the hardware configuration of current refrigerator, just can reach anti-condensation purpose by the control method that changes heater, has easy, with low cost, energy-conservation reliable advantage.
Description of drawings:
Fig. 1 is anti-condensation heating control apparatus structural representation of the present utility model; Fig. 2 is the control flow chart of anti-condensation method for heating and controlling of the present utility model; Fig. 3 is the working state schematic representation of 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 utility model is described in further detail 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 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 the refrigerating chamber display board 3, not only can detect accurately environment temperature, and save the sensor connecting line, cost is lower than other modes.Refrigerating chamber display board 3 and heater 5 are electrically connected with refrigerator control panel 6.
The height of the environment temperature that control panel 6 collects according to environment temperature sensor 2 is controlled 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 heating control apparatus of present embodiment is, refrigerator control panel 6 decides the working method of described heater 5 according to the refrigerating state of refrigerating chamber, if refrigerating chamber begins refrigeration, heater 5 is according to outage Ts minute, Tr minute mode periodic duty of energising, until refrigerating chamber stops refrigeration so; If refrigerating chamber stops refrigeration, then heater 5 according to outage Ts minute, Tr minute mode work of energising once cuts off the power supply until refrigerating chamber begins refrigeration again so.Described time T r and ratio (Ts+Tr) also are that the ambient temperature value that dutycycle is with environment temperature sensor 2 detects is directly proportional, and namely more high duty ratio is larger for environment temperature, otherwise then less.
After refrigerator was started working, control panel was determined first the duty of refrigerating chamber:
1) if refrigerating chamber begins refrigeration, control panel at first 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, Tr minute mode work of energising once, then redefine refrigerating chamber and whether freeze, if refrigeration then 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 then whether heater by outage Ts minute, Tr minute mode work of energising once redefine refrigerating chamber and freeze, if refrigeration is then carried out according to step 1), then do not wait for until refrigerating chamber begins refrigeration if do not freeze, then carry out according to step 1).
The desired ambient temperature range of the widest climate zone of at present refrigerator use is generally 10 ℃～43 ℃, and in embodiment of the present utility model, 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 (also being dew-point temperature), dry-bulb temperature (being environment temperature), the relative humidity (also being humidity) in the corresponding field, find out dew-point temperature corresponding to each interval maximum temperature.And then refrigerator is placed on environmental laboratory carries out condensation test, the dry-bulb temperature of experiment condition is the maximum temperature of temperature range 1, wet-bulb temperature is the dew-point temperature of above-mentioned correspondence.In the experiment by adjusting the dutycycle of heater work, thereby corresponding numerical value Ts1 and Tr1 when finding the flip beam surface without condensation.In like manner can determine temperature range 2 corresponding numerical value Ts2 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 the single-chip microcomputer, the mode periodic duty that then control heater switched on Tr1 minute by outage in Ts1 minute is until refrigerating chamber stops refrigeration; If refrigerating chamber stops refrigeration, then heater according to outage Ts1 minute, Tr1 minute mode work of energising once cuts off the power supply until refrigeration begins refrigeration 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 ℃ then between 10 ℃～25 ℃, control program can come control heater according to pre-stored numerical value automatically: during the refrigerating chamber refrigeration, heater is by outage 5 minutes, the cycle of modes work of switching on 30 minutes; During refrigerating chamber did not freeze, heater by outage 5 minutes, 30 minutes work pattern of energising once.
Ambient temperature range described in the utility model, 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 utility model 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, but the anti-condensation demand of to satisfy effectively flip beam under different service conditions.Simple, the easily realization of the utility model control method, and be easy to safeguard, the temperature sensor that does not also need simultaneously high-precision humidity sensor and anti-condensation surface, therefore no matter be from hardware or the angle of software, cost of the present utility model is all very cheap.
Claims (3)
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 with refrigerator control panel (6), it is characterized in that described environment temperature sensor (2) is connected on the 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) is controlled 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220561999.3U CN202885435U (en) | 2012-10-30 | 2012-10-30 | Condensation-prevention heating control device of refrigerator overturning beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220561999.3U CN202885435U (en) | 2012-10-30 | 2012-10-30 | Condensation-prevention heating control device of refrigerator overturning beam |
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| CN202885435U true CN202885435U (en) | 2013-04-17 |
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| CN201220561999.3U Expired - Fee Related CN202885435U (en) | 2012-10-30 | 2012-10-30 | Condensation-prevention heating control device of refrigerator overturning beam |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937363A (en) * | 2012-10-30 | 2013-02-20 | 合肥美菱股份有限公司 | Condensation-proof heating control device of overturning beam of refrigerator and control method thereof |
| CN103968634A (en) * | 2014-05-07 | 2014-08-06 | 合肥美菱股份有限公司 | Refrigerator condensation-preventing and heating control method and application thereof |
| CN104296462A (en) * | 2014-10-13 | 2015-01-21 | 合肥美的电冰箱有限公司 | Control circuit of turnover beam heater and refrigerator |
| CN104949464A (en) * | 2015-06-30 | 2015-09-30 | 青岛海尔股份有限公司 | Mechanical single system refrigerator |
| CN105222510A (en) * | 2015-09-30 | 2016-01-06 | 海信容声(广东)冰箱有限公司 | A kind of condensation prevention control method and refrigerator |
| CN106016893A (en) * | 2016-05-27 | 2016-10-12 | 海信容声(广东)冷柜有限公司 | Refrigerator capable of preventing upper surface of middle beam from being frozen |
| WO2017054418A1 (en) * | 2015-09-30 | 2017-04-06 | 海信容声(广东)冰箱有限公司 | Control method of anti-condensation of refrigerator and refrigerator |
| CN112944785A (en) * | 2021-03-08 | 2021-06-11 | 长虹美菱股份有限公司 | Cloud anti-condensation control device for refrigerator and control method thereof |
| 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 |
-
2012
- 2012-10-30 CN CN201220561999.3U patent/CN202885435U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937363B (en) * | 2012-10-30 | 2014-10-08 | 合肥美菱股份有限公司 | Condensation-proof heating control device of overturning beam of refrigerator and control method thereof |
| CN102937363A (en) * | 2012-10-30 | 2013-02-20 | 合肥美菱股份有限公司 | Condensation-proof heating control device of overturning beam of refrigerator and control method thereof |
| CN103968634B (en) * | 2014-05-07 | 2016-01-20 | 合肥美菱股份有限公司 | A kind of condensation prevention method for heating and controlling and application thereof |
| CN103968634A (en) * | 2014-05-07 | 2014-08-06 | 合肥美菱股份有限公司 | Refrigerator condensation-preventing and heating control method and application thereof |
| CN104296462A (en) * | 2014-10-13 | 2015-01-21 | 合肥美的电冰箱有限公司 | Control circuit of turnover beam heater and refrigerator |
| CN104949464A (en) * | 2015-06-30 | 2015-09-30 | 青岛海尔股份有限公司 | Mechanical single system refrigerator |
| CN105222510A (en) * | 2015-09-30 | 2016-01-06 | 海信容声(广东)冰箱有限公司 | A kind of condensation prevention control method and refrigerator |
| WO2017054418A1 (en) * | 2015-09-30 | 2017-04-06 | 海信容声(广东)冰箱有限公司 | Control method of anti-condensation of refrigerator and refrigerator |
| CN105222510B (en) * | 2015-09-30 | 2017-04-26 | 海信容声(广东)冰箱有限公司 | Refrigerator condensation prevention control method and refrigerator |
| CN106016893A (en) * | 2016-05-27 | 2016-10-12 | 海信容声(广东)冷柜有限公司 | Refrigerator capable of preventing upper surface of middle beam from being frozen |
| CN106016893B (en) * | 2016-05-27 | 2018-06-15 | 海信容声(广东)冷柜有限公司 | A kind of refrigerator for preventing central sill upper surface from freezing |
| CN112944785A (en) * | 2021-03-08 | 2021-06-11 | 长虹美菱股份有限公司 | Cloud anti-condensation control device for refrigerator and control method thereof |
| CN112944785B (en) * | 2021-03-08 | 2022-06-07 | 长虹美菱股份有限公司 | Cloud anti-condensation control device for refrigerator and control method thereof |
| 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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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: CHANGHONG MEILING Co.,Ltd. Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: HEFEI MEILING Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20211030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |