CN202630578U - Anti-condensation heating control device for refrigeration vertical beam of side-by-side combination refrigerator - Google Patents
Anti-condensation heating control device for refrigeration vertical beam of side-by-side combination refrigerator Download PDFInfo
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- CN202630578U CN202630578U CN 201220187604 CN201220187604U CN202630578U CN 202630578 U CN202630578 U CN 202630578U CN 201220187604 CN201220187604 CN 201220187604 CN 201220187604 U CN201220187604 U CN 201220187604U CN 202630578 U CN202630578 U CN 202630578U
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Abstract
The utility model relates to an anti-condensation heating control device for a refrigeration vertical beam of a side-by-side combination refrigerator. The heating control device comprises a heating machine arranged on the vertical beam, an environment temperature sensor and a control unit, wherein the environment temperature sensor outputs signals to the control unit according to the acquired environment temperature value, and the control unit outputs signals to control the work of the heater. According to the related anti-condensation applicable standard, the relative humidify is set to be a constant value, and the control unit controls the work mode of the heater with the power being the constant value according to the environment temperature value acquired by the environment temperature sensor. According to the control device provided by the utility model, the independent environment temperature sensor with low cost is adopted, the realization and the maintenance are easy, the cost is lowered, the procedure is simplified, and simultaneously, the stability and the reliability of a system are ensured.
Description
Technical field
The utility model belongs to the technical field of refrigerator, the heating control apparatus of the anti-condensation of particularly a kind of clamshell doors refrigerator cold-storage vertical beam.
Background technology
General common French clamshell doors computer refrigerator can design a vertical beam usually between its two fans cold sotrage door, the existence of this vertical beam can be convenient to the overlap joint and the sealing of the door envelope between the two fan cold sotrage doors.But because the thermal conductivity of thickness of vertical beam own and middle packing material, refrigerator its surface temperature when normal refrigeration is lower, is easy to generate condensation, for preventing its surperficial condensation, can paste a heater at the vertical beam inner surface usually, and its surface temperature is raise.
At present general manufacturer for ease; When design vertical beam heater, adopt constant heating ratio; Because refrigerator environment temperature and humidity in use changes; The dew-point temperature of air is different under different temperature and the damp condition, if adopt constant heating ratio generally can cause waste of energy to a certain degree or can not effectively satisfy the anti-condensation requirement under the different environments for use.
Consider that environment temperature and humidity all are two key factors that influence dew-point temperature; Thereby the manufacturer that has imports its control module as variable with temperature parameter and humidity parameter simultaneously in its product; Exporting a control instruction then comes control heater to carry out work; So that surface temperature is not less than dew-point temperature; Like Chinese utility model patent ZL201120119754.0 a kind of control device of anti-condensation heater strip is disclosed, based on this design concept, for the antifogging function of realizing that it is basic; Then hardware components comprises a humidity sensor, an environment temperature sensor and an anti-condensation surface temperature sensor at least, and whether the precision of these sensors realizes playing crucial effects to the function of anti-condensation.The then essential database that will comprise the humid air parameter of software section equally also must have a series of reliable instructions to judge gathering the data of coming, and exports an instruction at last heater is controlled.The precision of sensor is restricting the reliability of software instruction, thus for realize anti-condensation demand then must be under aspect the software and hardware the very big time, difficulty is more greatly.
The influence of having ignored environment temperature is also arranged certainly; Directly include humidity parameter in the primary study object; The working method of using the anti-condensation heating of humidity sensor control on a kind of refrigerator is disclosed like China application CN101684980A; In the refrigerator control module, be preset with continuous humidity range, the humidity range that described control module belongs to through the humidity parameter of judging the environment that said humidity sensor is surveyed is controlled heater and is adopted the preset working mode to carry out work.
Analyze from the angle of specialty; In a crucial parameter really of the humidity parameter of research air during condensation, but temperature parameter compare humidity parameter and seem particularly important, whether condensation generally all carries out basic judgement through this critical value of dew-point temperature; Be lower than this value and condensation will inevitably occur; Be higher than this value and then condensation can not occur, consider energy-conservation, so be not continue heating and temperature high more good more.On the other hand, the humidity sensor price is expensive more a lot of than temperature sensor, and the historical facts or anecdotes border can effectively be weighed between anti-condensation validity, energy-conservation and design cost through temperature controlling.
Because the condition of product when reality is used is protean; For example environment temperature, humidity and the user height of setting the room temperature degree all can produce significant effects to last result; The control mode that adopts humidity sensor in addition also has considerable influence to the result of use of reality, so be difficult to guarantee that the user is perfectly safe when reality is used.Therefore, this method is not too desirable in the anti-condensation design of the product of reality.
The utility model content
The problem that the utility model will solve is the heating control apparatus that the anti-condensation of a kind of clamshell doors refrigerator cold-storage vertical beam is provided to the deficiency of prior art, the anti-condensation demand of outer surface under different service conditions of taking all factors into consideration temperature and humidity in the control procedure and focusing on temperature parameter, regulate the satisfied effectively refrigeration vertical beam of working method of heater according to the variation of environment temperature automatically.The utility model control device is easy, with low cost, energy-conservation reliable.
For solving the problems of the technologies described above, the technical scheme of the utility model is:
The heating control apparatus of the anti-condensation of a kind of clamshell doors refrigerator cold-storage vertical beam is provided; Comprise the heater, environment temperature sensor and the control module that are arranged on the vertical beam; Said environment temperature sensor outputs signal to control module according to the ambient temperature value that collects, the work of control module output signal controlling heater.Adopt independent environment temperature sensor that ambient parameter is provided, cheap, device is simple.
Said environment temperature sensor is located at the fridge exterior face.Be used for the environment temperature parameter is gathered.
Said heater sticks on the vertical beam inner surface.Heat up effective to the vertical beam surface during heater work.
The power of said heater is chosen to be steady state value according to refrigerator volume size and vertical beam size.The power of heater just can be able to confirm according to refrigerator volume size and vertical beam size when making refrigerator.
Said control module is by chip microcontroller.Equipment is simple, and reliability is high.
In the utility model control procedure, according to relevant anti-condensation applied code relative humidity is set at steady state value, the ambient temperature value that control module collects according to environment temperature sensor is controlled the working method that power is the heater of steady state value.Relative humidity is set at steady state value and adopts single environment temperature parametric variable to come heater is controlled, reduce parametric variable, and when reducing cost, simplifying control program, guarantee the stability and the reliability of system.
Compared with prior art, the utlity model has following beneficial effect:
Adopt independent cheap environment temperature sensor in the utility model control device, regulate the heat time heating time of the anti-condensation heater of refrigeration vertical beam and the anti-condensation demand of outer surface under different service conditions that service factor effectively satisfies the refrigeration vertical beam automatically through the variation of environment temperature.Simple, the easy realization of the utility model control device, with low cost, the stability of a system and reliability are high.
Description of drawings
Fig. 1 is the connection block diagram of the utility model control device;
Fig. 2 is the structural representation of the utility model refrigerator;
Fig. 3 is the structural representation of the utility model refrigerator cold-storage vertical beam;
Fig. 4 is the FB(flow block) of the utility model control procedure embodiment;
Fig. 5 is the humid air psychrometric chart;
Fig. 6 is refrigeration vertical beam surface temperature variable condition figure under the varying environment;
Fig. 7 is the heating ratio sketch map of heater under the varying environment;
Fig. 8 reveals heater working time sketch map under the varying environment temperature.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is carried out detailed description.
Shown in Fig. 1 to 3; The utility model discloses the heating control apparatus of the anti-condensation of a kind of clamshell doors refrigerator cold-storage vertical beam; Comprise the heater 1, environment temperature sensor 2 and the control module 3 that are arranged on refrigerator 10 inside columns 20; Said environment temperature sensor 2 outputs signal to control module 3 according to the ambient temperature value that collects, 1 work of control module 3 output signal controlling heaters.Wherein, The power of heater 1 is chosen to be steady state value according to refrigerator volume size and vertical beam size, and when producing refrigerator, heater 1 sticks on vertical beam 20 inner surfaces; Shown in Figure 3; It is effective when heater 1 is worked like this to be heated up in vertical beam 20 surfaces, and environment temperature sensor 2 is located at refrigerator 10 outer surface (not shown), is used for the environment temperature parameter is gathered.Control module 3 is by chip microcontroller, and equipment is simple, and reliability is high.
Referring to Fig. 4, be the flow chart of the utility model control procedure.
At first, carry out the setting of relevant parameter.Anti-condensation applied code according to relevant is set at steady state value with relative humidity, and this steady state value generally is not less than the maximum relative humidity under user's regular service conditions, as 80% or 85%.Heater 1 is stopped heat time heating time T be made as constantly, be generally 1 minute.The ambient temperature range that refrigerator is used is divided into the plurality of temperature interval by 1 ℃ temperature interval, and the desired ambient temperature range of the wideest climate zone that uses of refrigerator is generally 10 ℃ ~ 43 ℃ at present.
Then; The ambient temperature value t0 that environment temperature sensor 2 collects is if within certain temperature range the time; Control module 3 is according to the maximum t ' in this temperature range; And calculate the heating ratio under this temperature conditions according to the calculation procedure that is pre-stored in the single-chip microcomputer, calculate t heat time heating time of final heater through the heat time heating time T of stopping that setting again.
Then, control module 3 is exported to its work of heater control with heater t heat time heating time that calculates.
Illustrate as follows:
As encircle temperature be 24.3 ℃ then between 24 ℃ ~ 25 ℃, control program can be automatically according to also exporting to heater heat time heating time 25 ℃ of heating ratio and heat time heating times (0.5 minute) that calculate corresponding 25 ℃ of temperature conditions under.In like manner, the ring temperature be 31.6 ℃ then between 31 ℃ ~ 32 ℃, control program can be automatically according to also exporting to heater heat time heating time 32 ℃ of heating ratio and the heat time heating times (2 minutes) that calculate corresponding 32 ℃ of temperature conditions under.
Thereby the utility model is experienced different environment temperature control heater 1 different heating ratio under these environment temperatures through environment temperature sensor 2.Optimized heating ratio need satisfy the anti-condensation demand of vertical beam 20 under varying environment temperature and humidity condition, and saves energy to greatest extent.
In the above-mentioned control procedure, relative humidity is set at steady state value, can reduce the complexity of software systems and hardware system greatly; In addition because the dew-point temperature of humid air receives environment temperature (being dry-bulb temperature) and two condition effect of relative humidity; After relative humidity had been confirmed, the dew-point temperature of humid air only changed with the variation of environment temperature, like Fig. 5; Can see from the humid air psychrometric chart to draw under same environmental damp condition that the high more then dew-point temperature of environment temperature is also high more.Also have owing to the indoor temperature fluctuation of refrigerator cold-storage is little; Be set under certain temperature conditions the consumer; As be set under 5 ℃ the situation, the variations in temperature of vertical beam 20 outer surfaces then mainly is the influence that receives environment temperature, what is more important vertical beam surface temperature and environment temperature extent directly determine the possibility of condensation generation simultaneously; Therefore; Can adopt single environment temperature parametric variable to come the heater 1 of anti-condensation is controlled, when reducing cost, simplifying control program, guarantee the stability and the reliability of system.
Fig. 6 is refrigeration vertical beam surface temperature variable condition figure under the varying environment, and among the figure, the A line is the minimum surface temperature that vertical beam does not produce condensation under certain damp condition, and the B line is the dew-point temperature under certain damp condition, and the C line is heaterless vertical beam surface temperature.Can know do not have under the situation of heating at refrigeration vertical beam 20 from figure, environment temperature is high more, and vertical beam surface temperature and environment temperature temperature difference are also big more, and the possibility that produces condensation is big more.So want head it off then to need more heats that replenish to reduce this temperature difference more.And under low temperature environment, both temperature differences are little, and the possibility that produces condensation is also little, and needed heat is also little.In other words along with the increase of environment temperature; When on the vertical beam during no heater the difference of its surface temperature and environment temperature and certain damp condition dew-point temperature down increasing, therefore along with the heating of the rising heater of environment temperature is satisfied and prevented the condensation requirement to remedy both temperature differences (as shown in Figure 7) than the corresponding rising of regular meeting.The heating ratio is meant the heat time heating time of heater and the ratio of heat time heating time and dwell time sum.
Among Fig. 7, along with the increase of environment temperature, the heating ratio of vertical beam upper heater is linear to be increased, and the vertical beam surface temperature is maintained more than the dew-point temperature, satisfies anti-condensation requirement.
But; Even identical heating ratio; It is different to set the different fluctuating ranges of vertical beam surface temperature that also can cause heating cycle; If it is too big that set the excessive vertical beam surface temperature fluctuating range that then can cause heating cycle, the crest temperature is too high can to influence the normal users experience, and the trough temperature is crossed the low condensation that then is easy to generate.In order to make the vertical beam surface temperature maintain within the acceptable temperature range and to be unlikely to make the heater start-stop too frequent; Present embodiment is set at constant with the dwell time T of heater; Generally got 1 minute, then the different heating ratio under the varying environment temperature can meet the demands through controlling different heat time heating times.
As shown in Figure 8, t1 is heater heat time heating time under the low temperature environment; Tx is heater heat time heating time under the hot environment; T is the dwell time that heater is set; The heating ratio of heater increases along with the increase of environment temperature; In the time of working control the heater dwell time under each environment temperature is set at constant time T; Then the heat time heating time of a having heaters (t1, t2, t3 ... Tn) increase with environment temperature increases.
Consider the precision of temperature sensor and the integrity problem of anti-condensation simultaneously; The design temperature precision is made as 1 ℃ in system; Be about to 10 ℃ ~ 43 ℃ temperature intervals of ambient temperature range that refrigerator uses and be divided into a plurality of temperature ranges, each temperature range corresponding heat time heating time by 1 ℃.
The utility model control device be through can effectively satisfying the anti-condensation demand of vertical beam under different service conditions the heat time heating time that the heater of refrigeration vertical beam on anti-regulated in the variation of environment temperature automatically, and saves electric energy for the user to greatest extent.The anti-condensation adaptive ability of the utility model is strong, simple, the realization easily of control device, 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 software angle, the cost of the utility model is all very cheap.
Claims (5)
1. the heating control apparatus of the anti-condensation of a clamshell doors refrigerator cold-storage vertical beam; Comprise the heater (1) that is arranged on the vertical beam; It is characterized in that: also comprise environment temperature sensor (2) and control module (3); Said environment temperature sensor (2) outputs signal to control module (3) according to the ambient temperature value that collects, control module (3) output signal controlling heater (1) work.
2. heating control apparatus according to claim 1 is characterized in that: said environment temperature sensor (2) is located at the fridge exterior face.
3. heating control apparatus according to claim 1 is characterized in that: said heater (1) sticks on the vertical beam inner surface.
4. according to each described heating control apparatus of claim 1 to 3, it is characterized in that: the power of said heater (1) is chosen to be steady state value according to refrigerator volume size and vertical beam size.
5. heating control apparatus according to claim 4 is characterized in that: said control module (3) is by chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187604 CN202630578U (en) | 2012-04-27 | 2012-04-27 | Anti-condensation heating control device for refrigeration vertical beam of side-by-side combination refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187604 CN202630578U (en) | 2012-04-27 | 2012-04-27 | Anti-condensation heating control device for refrigeration vertical beam of side-by-side combination refrigerator |
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| CN202630578U true CN202630578U (en) | 2012-12-26 |
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| CN 201220187604 Expired - Lifetime CN202630578U (en) | 2012-04-27 | 2012-04-27 | Anti-condensation heating control device for refrigeration vertical beam of side-by-side combination refrigerator |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645069A (en) * | 2012-04-27 | 2012-08-22 | 海信容声(广东)冰箱有限公司 | Heating control device and heating control method for condensation resistance of refrigerating vertical beam of side-by-side combination refrigerator |
| CN104949464A (en) * | 2015-06-30 | 2015-09-30 | 青岛海尔股份有限公司 | Mechanical single system 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 |
| CN105276904A (en) * | 2014-06-27 | 2016-01-27 | 株式会社东芝 | Refrigerator |
| CN106547284A (en) * | 2015-09-22 | 2017-03-29 | 华为数字技术（苏州）有限公司 | Dehumanization method and video camera |
| 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 |
| CN109990547A (en) * | 2019-03-29 | 2019-07-09 | 长虹美菱股份有限公司 | Refrigerator storage door flip beam segmented control method |
| CN110388783A (en) * | 2018-04-17 | 2019-10-29 | 博西华电器（江苏）有限公司 | Refrigeration equipment and control method |
| CN111219937A (en) * | 2018-11-26 | 2020-06-02 | 青岛海尔特种电冰柜有限公司 | Method and device for removing dew from glass door |
| CN112665302A (en) * | 2020-12-28 | 2021-04-16 | Tcl家用电器（合肥）有限公司 | Refrigerator overturning beam condensation-preventing heating control method and control device and refrigerator |
| CN116518624A (en) * | 2023-04-25 | 2023-08-01 | 海信冰箱有限公司 | Refrigerator and refrigerator refrigerating chamber temperature compensation method |
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2012
- 2012-04-27 CN CN 201220187604 patent/CN202630578U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645069A (en) * | 2012-04-27 | 2012-08-22 | 海信容声(广东)冰箱有限公司 | Heating control device and heating control method for condensation resistance of refrigerating vertical beam of side-by-side combination refrigerator |
| CN105276904A (en) * | 2014-06-27 | 2016-01-27 | 株式会社东芝 | Refrigerator |
| CN104949464A (en) * | 2015-06-30 | 2015-09-30 | 青岛海尔股份有限公司 | Mechanical single system refrigerator |
| CN106547284A (en) * | 2015-09-22 | 2017-03-29 | 华为数字技术（苏州）有限公司 | Dehumanization method and video camera |
| CN106547284B (en) * | 2015-09-22 | 2019-01-18 | 华为数字技术（苏州）有限公司 | Dehumanization method and video camera |
| 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 |
| 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 |
| CN110388783A (en) * | 2018-04-17 | 2019-10-29 | 博西华电器（江苏）有限公司 | Refrigeration equipment and control method |
| CN111219937A (en) * | 2018-11-26 | 2020-06-02 | 青岛海尔特种电冰柜有限公司 | Method and device for removing dew from glass door |
| CN109990547A (en) * | 2019-03-29 | 2019-07-09 | 长虹美菱股份有限公司 | Refrigerator storage door flip beam segmented control method |
| CN112665302A (en) * | 2020-12-28 | 2021-04-16 | Tcl家用电器（合肥）有限公司 | Refrigerator overturning beam condensation-preventing heating control method and control device and refrigerator |
| CN116518624A (en) * | 2023-04-25 | 2023-08-01 | 海信冰箱有限公司 | Refrigerator and refrigerator refrigerating chamber temperature compensation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HISENSE RONSHEN (YANGZHOU) REFRIGERATOR CO., LTD. Free format text: FORMER OWNER: HISENSE RONSHEN (GUANGDONG) REFRIGERATOR CO., LTD. Effective date: 20130416 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528303 FOSHAN, GUANGDONG PROVINCE TO: 225009 YANGZHOU, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130416 Address after: 225009 Jiangsu city of Yangzhou province Hongyang Road Economic Development Zone No. 19 Patentee after: Hisense Ronshen (Yangzhou) refrigerator Co., Ltd. Address before: 528303 Ronggui, Guangdong, Shunde District, Rong Rong Road, No. 8, No. Patentee before: Hisense Ronshen (Guangdong) Refrigerator Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |