CN109682154A - A kind of air cooling refrigerator evaporator defrosting system and control method - Google Patents
A kind of air cooling refrigerator evaporator defrosting system and control method Download PDFInfo
- Publication number
- CN109682154A CN109682154A CN201811591320.3A CN201811591320A CN109682154A CN 109682154 A CN109682154 A CN 109682154A CN 201811591320 A CN201811591320 A CN 201811591320A CN 109682154 A CN109682154 A CN 109682154A
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- CN
- China
- Prior art keywords
- defrosting
- cooling refrigerator
- air cooling
- refrigerator evaporator
- control device
- 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.)
- Pending
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- 238000010257 thawing Methods 0.000 title claims abstract description 132
- 238000001816 cooling Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/004—Control mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of air cooling refrigerator evaporator defrosting system and control methods, are related to evaporator of refrigerator defrost technical field.The present invention includes the defrosting heater being electrically connected with defrosting control device；Defrosting heater is several；Several defrosting heaters are installed in the surface of air cooling refrigerator evaporator, and are arranged in parallel between several defrosting heaters；Defrosting heater further includes temperature detecting module；Temperature detecting module is used to detect the surface temperature of the air cooling refrigerator evaporator of defrosting heater corresponding position, and the temperature value that will test is transferred to defrosting control device；Temperature threshold is preset in defrosting control device；The surface temperature value of the corresponding air cooling refrigerator evaporator of received defrosting heater is compared by defrosting control device with temperature threshold.The present invention closes corresponding defrosting heater by individually controlling each defrosting heater after the defrost of air cooling refrigerator evaporator certain, at the rest of defrosting heater continue to heat, be truly realized on-demand defrost.
Description
Technical field
The invention belongs to evaporator of refrigerator defrost technical fields, more particularly to a kind of air cooling refrigerator evaporator defrosting system
And control method.
Background technique
With the continuous development of science and technology, continuous improvement of people's living standards, more and more families all purchase
Refrigerator is fresh-keeping come the food progress stored to needs.Since wind cooling refrigerator has, of good preservation effect, fast and environmental protection etc. of freezing is excellent
Point, the market share that wind cooling refrigerator is occupied are also increasing.Wind cooling refrigerator freezed in compressor start after a period of time, needed
Defrosting operation is carried out to the evaporator of refrigerator, evaporator surface frost layer is blocked up and influences the refrigeration effect of refrigerator to prevent.
Existing evaporator defrosting, which is mostly used, is arranged heater in the lower section of evaporator, relies primarily on conduction and radiation is realized
The defrost of evaporator, because of the limitation for many unfavorable factors such as path is longer, thermal coefficient is small so that the evaporator defrost time it is long,
Power consumption is big, is unfavorable for energy conservation and environmental protection.In addition to this, heater is arranged in the lower section of evaporator, when cooperating with evaporator
Time-consuming for assembling, and production efficiency is low.
Summary of the invention
The purpose of the present invention is to provide a kind of air cooling refrigerator evaporator defrosting system and control method, by by multiple tools
There is the defrosting heater of temperature detecting function to be set up directly on the surface of air cooling refrigerator evaporator, each defrosting heater is independent
Control, corresponding defrosting heater is closed after the defrost of air cooling refrigerator evaporator certain, at the rest of defrosting heater
Continue to heat；In addition the surface of defrosting heater and air cooling refrigerator evaporator is attached installation effectiveness height, solution by heat-conducting glue
Existing evaporator defrosting of having determined, which is mostly used, is arranged heater in the lower section of evaporator, relies primarily on conduction and evaporation is realized in radiation
The defrost of device, because of the limitation for many unfavorable factors such as path is longer, thermal coefficient is small, so that the evaporator defrost time is long, power consumption
Amount is big, is unfavorable for energy conservation and environmental protection.In addition to this, heater is arranged in the lower section of evaporator, is assembled when cooperating with evaporator
Time-consuming, the low problem of production efficiency.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of air cooling refrigerator evaporator defrosting system, including the defrost heating being electrically connected with defrosting control device
Device；
The defrosting heater is several；Several defrosting heaters are installed in the table of air cooling refrigerator evaporator
Face, and be arranged in parallel between several defrosting heaters；The defrosting heater is for adding air cooling refrigerator evaporator
Heat is so that the frost on the air cooling refrigerator evaporator surface at defrosting heater melts；
The defrosting heater further includes temperature detecting module；The temperature detecting module is for detecting the defrost heating
The surface temperature of the air cooling refrigerator evaporator of device corresponding position, and the temperature value that will test is transferred to defrosting control device；
Temperature threshold is preset in the defrosting control device；The defrosting control device is corresponding by received defrosting heater
The surface temperature value of air cooling refrigerator evaporator is compared with temperature threshold；When the corresponding air cooling refrigerator evaporator of defrosting heater
Surface temperature value when being more than or equal to temperature threshold, the defrosting control device controls corresponding defrosting heater and stops heating.
Further, each defrosting heater passes through a relay and defrosting control device is electrically connected.
Further, the defrosting control device and wind cooling refrigerator master controller are electrically connected.
Further, several defrosting heaters are distributed on the surface of air cooling refrigerator evaporator in matrix form.
Further, the defrosting heater is pasted onto the surface of air cooling refrigerator evaporator by heat-conducting glue.
Further, the size of the defrosting heater is 1~2cm2。
The invention also includes a kind of air cooling refrigerator evaporator defrosting system control methods, comprising the following steps:
S01, defrosting control device receive the defrost order of wind cooling refrigerator master controller；
S02 successively obtains the temperature on the corresponding air cooling refrigerator evaporator surface of each defrosting heater, is denoted as Ti；
Ti is compared by S03 with temperature threshold preset in defrosting control device respectively；When Ti≤temperature threshold, control
It makes corresponding defrosting heater and stops heating；When Ti is less than temperature threshold, controls corresponding defrosting heater and continue to heat.
The invention has the following advantages:
1, the present invention can correspond to opening for defrosting heater according to controlling the case where the surface defrost of air cooling refrigerator evaporator
It closes, avoids corresponding defrosting heater after the completion of defrost from also continuing energy waste caused by heating, be truly realized on-demand defrost；
In addition the hot device of defrost is directly installed on the surface of air cooling refrigerator evaporator, reduces heat transfer to air cooling refrigerator evaporator because of road
It is lost caused by the factors such as path length, reduces the defrost time, save electric energy.
2, defrosting heater of the invention has the function of temperature detection, can be by the air-cooled ice of defrosting heater corresponding position
The temperature of case evaporator surface is transferred to defrosting control device, avoids the trouble in addition adding temperature sensor.
3, defrosting heater is pasted onto the surface of the air cooling refrigerator evaporator by the present invention by heat-conducting glue, and installation is quick
It is convenient, improve the efficiency that defrosting heater is installed to air cooling refrigerator evaporator surface.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the system diagram of air cooling refrigerator evaporator defrosting system proposed by the present invention；
Fig. 2 is the control flow chart of air cooling refrigerator evaporator defrosting system proposed by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, the indicating positions such as term " surface ", " being more than or equal to " or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the component or element of indication or suggestion meaning must have
Specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Refering to Figure 1, the present invention is a kind of air cooling refrigerator evaporator defrosting system, including electrical with defrosting control device
The defrosting heater and temperature sensor of connection；
Defrosting heater is several；Several defrosting heaters are installed in the surface of air cooling refrigerator evaporator, and several
It is arranged in parallel between defrosting heater；Defrosting heater is for heating air cooling refrigerator evaporator so that at defrosting heater
Air cooling refrigerator evaporator surface frost melt；When it is implemented, the specific installation site position of defrosting heater and quantity according to
Air cooling refrigerator evaporator thickness of frosting during being tested is determined, such as air cooling refrigerator evaporator frosting thickness
Place can install several defrosting heaters more, and the thin place of air cooling refrigerator evaporator frosting can install some heaters less.
Defrosting heater further includes temperature detecting module；Temperature detecting module is used to detect the wind of defrosting heater corresponding position
The surface temperature of cold refrigerator evaporator, and the temperature value that will test is transferred to defrosting control device；
Temperature threshold is preset in defrosting control device；Defrosting control device is by the corresponding wind cooling refrigerator of received defrosting heater
The surface temperature value of evaporator is compared with temperature threshold；When the surface temperature of the corresponding air cooling refrigerator evaporator of defrosting heater
When angle value is more than or equal to temperature threshold, defrosting control device controls corresponding defrosting heater and stops heating.
Temperature detecting module detection corresponding air-cooled ice of the present invention after defrosting heater starting, in each defrosting heater
The surface temperature of case evaporator and the temperature value that will test are transferred to defrosting control device, defrosting control device by received temperature value with
Temperature threshold is compared, and when temperature value is more than or equal to temperature threshold, controller, which controls corresponding defrosting heater, to be stopped adding
Heat, and the defrosting heater that temperature value does not reach temperature threshold continues to heat, and so, it is possible to reach on-demand defrost, reaches section
Energy, efficient purpose.
Wherein, each defrosting heater passes through a relay and defrosting control device is electrically connected.
Wherein, defrosting control device electricity and wind cooling refrigerator master controller are electrically connected.In this way, so as to wind cooling refrigerator master controller
Defrost order is sent to defrosting control device, and controls the whole defrost time, so as to defrost and is freezed alternately.
Wherein, several defrosting heaters are distributed on the surface of air cooling refrigerator evaporator in matrix form.
Wherein, defrosting heater is pasted onto the surface of air cooling refrigerator evaporator by heat-conducting glue.In this way, defrost is facilitated to heat
The installation of device, has greatly saved the set-up time, improves installation effectiveness.
Wherein, the size of defrosting heater is 1~2cm2。
As shown in fig.2, a kind of air cooling refrigerator evaporator defrosting system control method, comprising the following steps:
S01, defrosting control device receive the defrost order of wind cooling refrigerator master controller；
S02 successively obtains the temperature on the corresponding air cooling refrigerator evaporator surface of each defrosting heater, is denoted as Ti, wherein i
For positive integer；
Ti is compared by S03 with temperature threshold preset in defrosting control device respectively；When Ti≤temperature threshold, control
It makes corresponding defrosting heater and stops heating；When Ti is less than temperature threshold, controls corresponding defrosting heater and continue to heat.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of air cooling refrigerator evaporator defrosting system, which is characterized in that the defrost including being electrically connected with defrosting control device adds
Hot device；
The defrosting heater is several；Several defrosting heaters are installed in the surface of air cooling refrigerator evaporator, and
It is arranged in parallel between several defrosting heaters；The defrosting heater for being heated to air cooling refrigerator evaporator so that
The frost on the air cooling refrigerator evaporator surface at defrosting heater melts；
The defrosting heater further includes temperature detecting module；The temperature detecting module is for detecting the defrosting heater pair
The surface temperature for the air cooling refrigerator evaporator that should locate, and the temperature value that will test is transferred to defrosting control device；
Temperature threshold is preset in the defrosting control device；The defrosting control device is corresponding air-cooled by received defrosting heater
The surface temperature value of evaporator of refrigerator is compared with temperature threshold；When the table of the corresponding air cooling refrigerator evaporator of defrosting heater
When face temperature value is more than or equal to temperature threshold, the defrosting control device controls corresponding defrosting heater and stops heating.
2. a kind of air cooling refrigerator evaporator defrosting system according to claim 1, which is characterized in that each defrost adds
Hot device passes through a relay and defrosting control device is electrically connected.
3. a kind of air cooling refrigerator evaporator defrosting system according to claim 1, which is characterized in that the defrosting control device
It is electrically connected with wind cooling refrigerator master controller.
4. a kind of air cooling refrigerator evaporator defrosting system according to claim 1, which is characterized in that several defrosts add
Hot device is distributed on the surface of air cooling refrigerator evaporator in matrix form.
5. a kind of air cooling refrigerator evaporator defrosting system according to claim 1, which is characterized in that the defrosting heater
The surface of air cooling refrigerator evaporator is pasted by heat-conducting glue.
6. a kind of air cooling refrigerator evaporator defrosting system according to claim 1, which is characterized in that the defrosting heater
Size be 1~2cm2。
7. a kind of air cooling refrigerator evaporator defrosting system control method, which comprises the following steps:
S01, defrosting control device receive the defrost order of wind cooling refrigerator master controller；
S02 successively obtains the temperature on the corresponding air cooling refrigerator evaporator surface of each defrosting heater, is denoted as Ti, wherein i is positive
Integer；
Ti is compared by S03 with temperature threshold preset in defrosting control device respectively；When Ti≤temperature threshold, control pair
The defrosting heater answered stops heating；When Ti is less than temperature threshold, controls corresponding defrosting heater and continue to heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591320.3A CN109682154A (en) | 2018-12-20 | 2018-12-20 | A kind of air cooling refrigerator evaporator defrosting system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591320.3A CN109682154A (en) | 2018-12-20 | 2018-12-20 | A kind of air cooling refrigerator evaporator defrosting system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109682154A true CN109682154A (en) | 2019-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811591320.3A Pending CN109682154A (en) | 2018-12-20 | 2018-12-20 | A kind of air cooling refrigerator evaporator defrosting system and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393509A (en) * | 2020-11-25 | 2021-02-23 | 珠海格力电器股份有限公司 | Defrosting device, evaporator, defrosting control method of evaporator and refrigerator |
| CN113899139A (en) * | 2021-10-21 | 2022-01-07 | 珠海格力电器股份有限公司 | Defrosting control method, intelligent defrosting device and refrigeration equipment |
| CN115265073A (en) * | 2022-08-26 | 2022-11-01 | 珠海格力电器股份有限公司 | Defrosting structure, refrigerator and defrosting control method of refrigerator |
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| JPH11211328A (en) * | 1998-01-20 | 1999-08-06 | Fujitsu General Ltd | Defrosting apparatus for refrigerator |
| CN102706073A (en) * | 2012-06-20 | 2012-10-03 | 海信容声(广东)冰箱有限公司 | Defrosting heating device for evaporator of refrigerator and control method |
| CN103575016A (en) * | 2012-08-01 | 2014-02-12 | 三星电子株式会社 | Cooling apparatus and control method thereof |
| CN105276900A (en) * | 2015-03-12 | 2016-01-27 | 合肥美的电冰箱有限公司 | Refrigerator and defrosting control method thereof |
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| CN108120211A (en) * | 2017-11-29 | 2018-06-05 | 青岛海尔股份有限公司 | A kind of automatic refrigerator defrosting system and with its refrigerator |
| CN108362068A (en) * | 2018-02-11 | 2018-08-03 | 四川虹美智能科技有限公司 | A kind of defrosting system of refrigerator and method |
| CN108375266A (en) * | 2018-02-26 | 2018-08-07 | 合肥美的电冰箱有限公司 | A kind of defrosting system of refrigerator and refrigerator |
-
2018
- 2018-12-20 CN CN201811591320.3A patent/CN109682154A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11211328A (en) * | 1998-01-20 | 1999-08-06 | Fujitsu General Ltd | Defrosting apparatus for refrigerator |
| CN102706073A (en) * | 2012-06-20 | 2012-10-03 | 海信容声(广东)冰箱有限公司 | Defrosting heating device for evaporator of refrigerator and control method |
| CN103575016A (en) * | 2012-08-01 | 2014-02-12 | 三星电子株式会社 | Cooling apparatus and control method thereof |
| CN105276900A (en) * | 2015-03-12 | 2016-01-27 | 合肥美的电冰箱有限公司 | Refrigerator and defrosting control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393509A (en) * | 2020-11-25 | 2021-02-23 | 珠海格力电器股份有限公司 | Defrosting device, evaporator, defrosting control method of evaporator and refrigerator |
| CN113899139A (en) * | 2021-10-21 | 2022-01-07 | 珠海格力电器股份有限公司 | Defrosting control method, intelligent defrosting device and refrigeration equipment |
| CN113899139B (en) * | 2021-10-21 | 2022-08-12 | 珠海格力电器股份有限公司 | Defrosting control method, intelligent defrosting device and refrigeration equipment |
| CN115265073A (en) * | 2022-08-26 | 2022-11-01 | 珠海格力电器股份有限公司 | Defrosting structure, refrigerator and defrosting control method of refrigerator |
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Application publication date: 20190426 |