CN203083243U - Refrigerator condensation-proof heating controlling device - Google Patents
Refrigerator condensation-proof heating controlling device Download PDFInfo
- Publication number
- CN203083243U CN203083243U CN 201320052893 CN201320052893U CN203083243U CN 203083243 U CN203083243 U CN 203083243U CN 201320052893 CN201320052893 CN 201320052893 CN 201320052893 U CN201320052893 U CN 201320052893U CN 203083243 U CN203083243 U CN 203083243U
- Authority
- CN
- China
- Prior art keywords
- condensation
- refrigerator
- temperature
- heater
- environment temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 72
- 238000009833 condensation Methods 0.000 claims description 62
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 17
- 230000005494 condensation Effects 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Abstract
The utility model discloses a refrigerator condensation-proof heating controlling device. The heating controlling device comprises an environment temperature sensor, a refrigerator internal-temperature sensor, a controlling unit and a heater which is arranged at a condensation-proof position. The controlling unit enables the environment temperature which is collected by the environment temperature sensor to serve as one of parameters of control over working condition of the heater, and further enables the refrigerator internal temperature which is collected by the refrigerator internal-temperature sensor to serve as an auxiliary parameter of control over the working condition of the heater. The environment temperature sensor and the refrigerator internal-temperature sensor are applied to the refrigerator condensation-proof heating controlling device. The refrigerator condensation-proof heating controlling device controls the condensation-proof heater through changes of the two parameters including the environment temperature and the refrigerator internal temperature, and therefore extra cost does not need to be added. In addition, the refrigerator condensation-proof heating controlling device not only simplifies a controlling program but also guarantees reliability and stability of a system.
Description
Technical field:
The utility model relates to the anti-condensation heating control apparatus of a kind of refrigerator.
Background technology:
French clamshell doors refrigerator in the market generally designs between two fan refrigerating-chamber door bodies vertical beam, and design has beam structure between two refrigerating chambers of multi-door refrigerator.Since the limitation partial insulation poor-performing of structure and material, the low condensation that easily produces of this position surface temperature when refrigerator normally freezes.For preventing the generally electric heater of surface stickup within it of condensation, improve surface temperature by electrical heating.
And to the heating control law of heater, each producer is slightly different, and following two kinds of mode of heatings are generally arranged: one, adopt constant heating ratio, two, according to refrigerator refrigeration cycle synchronisation (or delay) heater.Because the environment for use temperature of refrigerator and humidity are all changing at any time, adopt constant heating ratio under the less situation of refrigerator internal-external temperature difference, easily to make anti-condensation position surface temperature too high, increase refrigerator and use energy consumption, perhaps the problem of condensation appears in heating ratio inadequately under the bigger situation of refrigerator internal-external temperature difference; Method by refrigerator refrigeration cycle synchronisation heater then can appear under the low situation of Homes Using TV, and the heating ratio is not enough, causes surperficial condensation, and under the high situation of Homes Using TV, anti-condensation position surface temperature is too high.Also there is a shortcoming in above-mentioned two kinds of methods, and heater heat time heating time and dwell time are long, and surface temperature fluctuation in anti-condensation position is big, in the time that heating stops, being easy to generate condensation.Reduce temperature fluctuation, under the situation that guarantees the heating ratio, shorten heat time heating time and the frequent break-make of heater then can occur, because the power supply of heater generally all is to control by the relay on the master control borad, each break-make of relay can produce the noise of whip, user's experience sense in actual use is bad, and influences relay service life.
The manufacturer that has imports its control module as variable simultaneously with temperature parameter and humidity parameter in its product, export the control instruction control heater then and carry out work, so that its surface temperature is not less than dew-point temperature, a kind of control device of anti-condensation heater strip is disclosed as Chinese invention patent ZL201120119754.0, based on this design concept, for the antifogging function of realizing that it is basic, then hardware components comprises a humidity sensor at least, an environment temperature sensor and an anti-condensation surface temperature sensor, whether the precision of these sensors realizes playing crucial effects to anti-condensation function.Software section then must need the database of humid air parameter, 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 requirement then must be under aspect the software and hardware the very big time, difficulty is bigger.
The influence of having ignored humidity is also arranged, and directly with the foundation of environment temperature parameter as the anti-condensation heater of control, CN201210129111.3 discloses anti-condensation heater and the control method of a kind of clamshell doors refrigerator vertical beam as application.The air humidity parameter is set at steady state value, only regulates the anti-condensation requirement of outer surface under different service conditions of the satisfied refrigeration of the working method vertical beam of heater automatically, simplified control law according to the variation of environment temperature.
From professional angle analysis, when the body surface temperature was lower than dew-point temperature, the surface promptly the condensation phenomenon can occur.The hull-skin temperature at the anti-condensation position of refrigerator not only depends on environment temperature, also depends on the height of the temperature inside the box, and the user might set different serviceability temperatures when reality is used, and the variation of the temperature inside the box can cause its surface temperature to change equally.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of refrigerator anti-condensation heating control apparatus, emphasis is considered anti-condensation position in the different rings temperature, and the variation of (design temperature) surface temperature under the different service conditions is according to changing the working method of regulating heater automatically.Can guarantee that so anti-condensation position condensation can not occur under different rings temperature and service condition, avoid superheated simultaneously, effectively reduce refrigerator and use energy consumption.
The utility model technical solution problem adopts following technical scheme:
The anti-condensation heating control apparatus of a kind of refrigerator, comprise environment temperature sensor, the temperature inside the box sensor, control module and the heater that is arranged on anti-condensation position, described control module is controlled described heater work according to the output parameter of described environment temperature sensor, the temperature inside the box sensor.Described control module contains microprocessor and links to each other with environment temperature sensor, refrigerator temperature sensor, heater, switch element respectively, according to the parameter that collects switch element is carried out corresponding control.
Described environment temperature sensor is arranged at the refrigerator outside and is used for directly or indirectly detecting the residing environment temperature of refrigerator.
Described the temperature inside the box sensor is arranged between the refrigerator that heats the position correspondence indoor, is used to detect the temperature parameter of current indoor reality of refrigerator;
Described heater sticks on needs anti-condensation position inner surface, is used to improve this place's hull-skin temperature.
Described control module adopts the drive circuit control that includes controllable silicon or solid-state relay, by the duty of controllable silicon or solid-state relay control heater.
Because the surface temperature of cold compartment of refrigerator vertical beam depends on the environment temperature and the temperature difference that refrigerates indoor temperature, temperature of refrigerating chamber is low more under the equivalent environment temperature, and the vertical beam surface temperature is low more.The vertical beam surface temperature changes with the variation of ring temperature simultaneously.
The method for heating and controlling of the anti-condensation heating control apparatus of the utility model refrigerator, the environment temperature that control module collects environment temperature sensor is as one of parameter of control heater working method, and the temperature inside the box that further the temperature inside the box sensor is collected is as the auxiliary parameter of control heater working method.That is, determine heat time heating time, the heating ratio of anti-condensation heater with this.
Heat time heating time and heating ratio by anti-condensation heater is regulated in the variation of environment temperature automatically further, heat one of parameter of ratio with the temperature inside the box as regulating heater.Satisfy the anti-condensation requirement of anti-condensation position under different environments for use, different service condition, use the computer control existing environment temperature sensor of refrigerator own and the temperature inside the box sensor, variation according to ring temperature and two parameters of the temperature inside the box is controlled anti-condensation heater, do not need additionally to increase cost, guaranteed the reliability of system when having simplified control program, stability.For simplifying control law, interval and interval heat time heating time and the heating ratio of setting a maximum of the temperature inside the box with each environment temperature.
It is positive integer that ambient temperature range is divided into m(m) individual interval; It is positive integer that the temperature inside the box scope is divided into n(n) individual interval; Interval and the interval corresponding working method of the temperature inside the box of each environment temperature, total m*n working method.Each working method corresponding heater work ratio, the i.e. ratio of heater working time and total time.
Further, the dwell time of heater is a steady state value, and promptly △ t is 0.1 second to 5 minutes.The working time of control module control heater is with work ratio up to specification.
Further, when environment temperature is lower than T0 (5 ℃), the work ratio of heater is 0, the temperature inside the box is higher than T1(20 ℃) time, the work ratio of heater is 0, and the poor △ T of environment temperature and the temperature inside the box is less than T2(8 ℃) time, the work ratio of heater is 0.
Further, under each working method, described control module is also further revised the work ratio of heater according to the actual current value of the actual voltage value of importing power supply or anti-condensation heater, make its actual mean power equal the mean power under the relevant work mode under the rated voltage.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
The utility model is regulated the working time and the work ratio of anti-condensation heater automatically by gathering environment temperature and the temperature inside the box, adopt the break-make of controllable silicon or solid-state relay control heater, can shorten the heater switching time, make anti-condensation position surface temperature be higher than dew-point temperature, and keep constant substantially.Further, gather the input power source voltage,, adjust heater working time and work ratio, make the heater mean power reach the numerical value of setting according to voltage change.
Description of drawings:
Fig. 1 is the pie graph of the anti-condensation heating control apparatus of the utility model clamshell doors refrigerator; Fig. 2 is the control method flow chart of the utility model control device; Fig. 3 is that refrigerating chamber vertical beam heater heating ratio is with ring temperature and the temperature inside the box changing trend diagram; Fig. 4 further revises for anti-condensation heater heating ratio changes with input voltage.
Below pass through the specific embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
The specific embodiment:
Embodiment: embodiment: as shown 1, the anti-condensation heating control apparatus of refrigerator of the present utility model, comprise the heater that is arranged on anti-condensation position, also comprise environment temperature sensor, the temperature inside the box sensor and control module, described control module is according to border temperature sensor, the temperature inside the box sensor output parameter, control heater work.
Heater power is chosen to be steady state value according to anti-condensation spot size size and heat insulation effect, during production heater sticked on anti-condensation position inner surface, environment temperature sensor is arranged on the fridge exterior face, as in the hinge lid, in the top cover, in the door display window etc., gather the current environmental temperature parameter in real time.The temperature inside the box sensor is arranged on inner container of icebox one side, can collect Current Temperatures parameter in the refrigerator in real time.Control module is by chip microcontroller in the present embodiment, and equipment is simple, the reliability height.
The method for heating and controlling flow chart of the anti-condensation heating control apparatus of the utility model refrigerator is referring to Fig. 2.
At first, carry out the setting of relevant parameter, the maximum relative humidity according under the refrigerator user regular service conditions is set at steady state value with relative humidity, as 80% or 85%.Heater stops heat time heating time and is set at steady state value, and as 60 seconds, refrigerator environment for use temperature range was divided into some temperature ranges by 2 ℃ temperature interval, and temperature is lower than 5 ℃ and be higher than 43 ℃ and no longer divide; The temperature of refrigerating chamber in refrigerator scope is divided into the plurality of temperature interval by 2 ℃ temperature interval, and temperature is lower than 0 ℃ and be higher than 20 ℃ and no longer divide.
Anti-condensation program with clamshell doors cold compartment of refrigerator vertical beam is an example, when the temperature of refrigerating chamber value that the ambient temperature value that environment temperature sensor collects and the temperature inside the box sensor collect was positioned at certain temperature range scope, the program that the control module basis prestores was determined maximum heating time and the heating ratio under this condition.After encircling warm parameter and the temperature inside the box parameter and determining, corresponding heat time heating time and heating ratio can be determined.Control module is exported to heater according to heat time heating time, the heating ratio determined and is controlled its work.
For example, when environment temperature is 20.5 ℃, when the temperature inside the box is 4.3 ℃, control program can be automatically according to the heating ratio under 21 ℃ of environment temperatures and 4 ℃ of conditions of the temperature inside the box and heat time heating time exporting to heater heat time heating time.
The maximum temperature range of cold compartment of refrigerator is 0 ℃ to 10 ℃, but in use, the user can open the door and pick and place into food, and reality can make temperature be higher than scope of design, is particularly using first under the situation about can cut off the power supply, and the temperature inside the box is higher.Consider this situation, the temperature division scope of refrigerating chamber is 0 ℃ to 20 ℃, when temperature of refrigerating chamber is higher than 20 ℃, can think that in temperature-fall period, anti-condensation heater quits work.When environment temperature was lower than 10 ℃, humidity was corresponding lower, and environment temperature and temperature of refrigerating chamber difference are very little, even was higher than temperature of refrigerating chamber, did not need heating substantially, and anti-condensation heater quits work.When environment temperature is higher than 43 ℃, surpassed the normal operating range of refrigerator, anti-condensation heater is according to heating ratio under 43 ℃ of conditions and work heat time heating time.
The resistance value of anti-condensation heater is a steady state value, square being directly proportional of its power and input voltage, and operating current is directly proportional with input voltage.The normal design working voltage scope of refrigerator is 187V to 242V, and along with the variation of input voltage, the power of heater also changes a lot.In order to control the surface temperature at anti-condensation position, need gather the variation of input voltage or operating current further, on according to environment temperature and the temperature inside the box scope heat time heating time of determining and the basis of heating ratio, proportionate relationship according to power and voltage or operating current, further revise heat time heating time and heating ratio, voltage is high more, operating current is big more, heat time heating time is short more, voltage is low more, operating current is more little, and heat time heating time is long more, and heat time heating time and heating ratio is exported to heater control its work.
The utility model is by the variation of environment temperature parameter and the temperature inside the box parameter, determine the heat time heating time and the heating ratio of anti-condensation heater optimum under different condition, optimum heating ratio satisfies (the temperature inside the box) anti-condensation requirement under refrigerating chamber vertical beam different rings temperature and the service condition, and saves energy to greatest extent.
In the above-mentioned control method, relative humidity is set at steady state value, can simplify procedures, and reduces the complexity of hardware and software system.Be not less than dew-point temperature as long as guarantee anti-condensation position surface temperature, promptly the condensation phenomenon can not occur.The surface temperature decisive factor at anti-condensation position has following several: heat-insulating property, ring temperature, the temperature inside the box.On the refrigerator structure of determining, then depend on ring temperature and the temperature inside the box.With reference to shown in Figure 3, the surface temperature at the anti-condensation position of ring Wen Yuegao is big more with the difference of ring temperature, needs the compensation heating heat just big more.Its surface temperature also is subjected to the influence of the temperature inside the box simultaneously, and the high more surface temperature of the temperature inside the box is also high more, and the heat of corresponding compensation can suitably reduce.
Fig. 3 be refrigerating chamber vertical beam heater heating ratio with ring temperature and the temperature inside the box changing trend diagram, during temperature constant, environment temperature is high more in the refrigerating chamber, the vertical beam surface temperature is big more with both temperature difference of ring temperature, the heating ratio is high more; Encircle warmly when constant, temperature of refrigerating chamber is low more, and the vertical beam surface temperature is big more with the ring temperature difference, and the heating ratio is high more.
Fig. 4 further revises for anti-condensation heater heating ratio changes with input voltage.
The utility model is regulated heater heat time heating time and heating ratio automatically by the variation of environment temperature, further by the variation of the temperature inside the box, adjusts the heating ratio, satisfying under the prerequisite of anti-condensation requirement, and be user's saves energy to greatest extent.The utility model control method is simple, realizes that easily not needing additionally increases sensor, with low cost.
Claims (5)
1. anti-condensation heating control apparatus of refrigerator, comprise environment temperature sensor, the temperature inside the box sensor, control module and the heater that is arranged on anti-condensation position, it is characterized in that: described control module is controlled described heater work according to the output parameter of described environment temperature sensor, the temperature inside the box sensor.
2. the anti-condensation heating control apparatus of a kind of refrigerator according to claim 1 is characterized in that, described environment temperature sensor is arranged at the refrigerator outside and is used for directly or indirectly detecting the residing environment temperature of refrigerator.
3. the anti-condensation heating control apparatus of a kind of refrigerator according to claim 1 is characterized in that, described the temperature inside the box sensor is arranged between the refrigerator that heats the position correspondence indoor.
4. the anti-condensation heating control apparatus of a kind of refrigerator according to claim 1 is characterized in that, described heater sticks on needs anti-condensation position inner surface.
5. the anti-condensation heating control apparatus of a kind of refrigerator according to claim 1 is characterized in that, described control module adopts the drive circuit control that includes controllable silicon or solid-state relay, by the duty of controllable silicon or solid-state relay control heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052893 CN203083243U (en) | 2013-01-30 | 2013-01-30 | Refrigerator condensation-proof heating controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052893 CN203083243U (en) | 2013-01-30 | 2013-01-30 | Refrigerator condensation-proof heating controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083243U true CN203083243U (en) | 2013-07-24 |
Family
ID=48829070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320052893 Expired - Fee Related CN203083243U (en) | 2013-01-30 | 2013-01-30 | Refrigerator condensation-proof heating controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083243U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062978A (en) * | 2013-01-30 | 2013-04-24 | 合肥美菱股份有限公司 | Refrigerator condensation preventing heating control device and control method |
| CN104949464A (en) * | 2015-06-30 | 2015-09-30 | 青岛海尔股份有限公司 | Mechanical single system refrigerator |
| CN111659475A (en) * | 2020-06-12 | 2020-09-15 | 苏州苏试试验集团股份有限公司 | Automatic control system and method for preventing condensation of infrared window on test box |
| CN112361703A (en) * | 2020-11-10 | 2021-02-12 | 长虹美菱股份有限公司 | Method for controlling heater of turnover beam of refrigerator |
| CN115468352A (en) * | 2022-09-13 | 2022-12-13 | 珠海格力电器股份有限公司 | Heating control method and device for refrigerator turnover beam and refrigerator equipment |
-
2013
- 2013-01-30 CN CN 201320052893 patent/CN203083243U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062978A (en) * | 2013-01-30 | 2013-04-24 | 合肥美菱股份有限公司 | Refrigerator condensation preventing heating control device and control method |
| CN103062978B (en) * | 2013-01-30 | 2015-07-01 | 合肥美菱股份有限公司 | Refrigerator condensation preventing heating control device and control method |
| CN104949464A (en) * | 2015-06-30 | 2015-09-30 | 青岛海尔股份有限公司 | Mechanical single system refrigerator |
| CN111659475A (en) * | 2020-06-12 | 2020-09-15 | 苏州苏试试验集团股份有限公司 | Automatic control system and method for preventing condensation of infrared window on test box |
| CN111659475B (en) * | 2020-06-12 | 2022-03-15 | 苏州苏试试验集团股份有限公司 | Automatic control system and method for preventing condensation of infrared window on test box |
| CN112361703A (en) * | 2020-11-10 | 2021-02-12 | 长虹美菱股份有限公司 | Method for controlling heater of turnover beam of refrigerator |
| CN115468352A (en) * | 2022-09-13 | 2022-12-13 | 珠海格力电器股份有限公司 | Heating control method and device for refrigerator turnover beam and refrigerator equipment |
| CN115468352B (en) * | 2022-09-13 | 2024-01-12 | 珠海格力电器股份有限公司 | Heating control method and device for refrigerator turnover beam and refrigerator equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103062978B (en) | Refrigerator condensation preventing heating control device and control method | |
| CN203083243U (en) | Refrigerator condensation-proof heating controlling device | |
| CN103968634A (en) | Refrigerator condensation-preventing and heating control method and application thereof | |
| CN103760936B (en) | The anti-condensation environment conditioning equipment of intelligence | |
| CN108151433B (en) | Temperature control method, temperature control device, refrigeration equipment and readable storage medium | |
| CN202885435U (en) | Condensation-prevention heating control device of refrigerator overturning beam | |
| CN102937363B (en) | Condensation-proof heating control device of overturning beam of refrigerator and control method thereof | |
| CN101855498B (en) | An oven | |
| US8186173B2 (en) | Refrigerator unit and/or freezer unit | |
| CN203534052U (en) | Refrigerator with anti-condensation heating devices | |
| CN108508805B (en) | Electronic system controlled by temperature of single chip microcomputer | |
| CN202993741U (en) | Intelligent temperature control refrigerator | |
| CN103364667B (en) | Testing apparatus and testing method for refrigerator circuit boards | |
| CN108061420B (en) | Temperature regulation and control method, temperature regulation and control device, refrigeration equipment and readable storage medium | |
| CN202627570U (en) | Novel intelligent high-temperature aging test room | |
| CN201773157U (en) | Programmable constant temperature and humidity testing machine | |
| CN112648794A (en) | Rapid and accurate temperature control method for medical refrigerator and medical refrigerator | |
| CN107726700B (en) | Refrigerator control method and system | |
| CN110513959A (en) | Control circuit, the control method of flip beam heater and refrigerator | |
| CN203719322U (en) | Automatic refrigerator humidity control system | |
| CN2453365Y (en) | Electric refrigerator with automatic temp. compensation | |
| Phuchamniphatthananun et al. | A smart domestic refrigerator with energy efficiency improvement | |
| CN105318644A (en) | Refrigerator temperature controlling method and device | |
| CN202720529U (en) | Wine cabinet control device | |
| EP2175216B1 (en) | Mono-door refrigerator and method for controlling such refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20220130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |