CN112710118A - Refrigerator with anti-condensation device and anti-condensation control method - Google Patents
Refrigerator with anti-condensation device and anti-condensation control method Download PDFInfo
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- CN112710118A CN112710118A CN202011638379.0A CN202011638379A CN112710118A CN 112710118 A CN112710118 A CN 112710118A CN 202011638379 A CN202011638379 A CN 202011638379A CN 112710118 A CN112710118 A CN 112710118A
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- Prior art keywords
- door body
- heater
- refrigerator
- condensation
- temperature
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- 238000009833 condensation Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 29
- 230000005494 condensation Effects 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 4
- 239000000463 material Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009920 food preservation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- F25D21/04—Preventing the formation of frost or condensate
-
- 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
-
- 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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Refrigerator Housings (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a refrigerator with an anti-condensation device and an anti-condensation control method, and relates to the technical field of refrigerators. The refrigerator comprises a refrigerator body and a glass door body, wherein a door body heater is arranged on the circumferential side surface of the inner wall of the glass door body; the outer surface of the glass door body is provided with a display panel and a temperature and humidity sensor, and the temperature and humidity sensor is provided with a collecting hole; the refrigerator body is provided with a control panel. The invention defines the opening and closing of the door heater and the working time by integrating the surface humidity and the surface temperature of the door, can well prevent the surface condensation of the glass door of the refrigerator and save the electric energy; in addition, the working efficiency of the anti-condensation heater can be effectively improved through the control method of the anti-condensation device, the rated power of the anti-condensation heater device is reduced, the power consumption of the working period of the heater device is reduced, the energy efficiency of the whole machine is improved, and the anti-condensation device can be popularized and applied to the refrigerator with the electric control door.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a refrigerator with an anti-condensation device and an anti-condensation control method.
Background
The door refrigerator in the current market has poor heat insulation performance due to the limitation of the structure and materials, and the surface temperature of the door body is low when the refrigerator is normally refrigerated, so that condensation is easy to generate. In order to prevent the generation of condensation, a heater is generally arranged between the glass and the door frame, and the surface temperature of the glass door is improved through the work of the heater so as to achieve the aim of removing the condensation.
The control method of the anti-condensation device used for the glass door in the market is slightly different for each manufacturer, and the control methods generally comprise the following two methods: the first method is manual dew removal: after the refrigerator is powered on, if condensation exists on the door body, the condensation is removed by pressing a condensation removing key, the heater works all the time, and the condensation removing key is pressed again, so that the heater stops working; the second method is automatic dew removal: the environment temperature is detected by the environment temperature sensor, the temperature in the refrigerator is detected by the indoor sensor, and the temperature parameters of the environment temperature sensor and the indoor sensor control the heater to work according to set logic so as to achieve dew removal. However, the above two methods have the following disadvantages: 1. the service life of the heater can be reduced if the heating time of the heater is too long; 2. the long working time of the heater increases the energy consumption of the whole refrigerator, and the energy-saving effect is poor; 3. manual operation is required for users, and the experience is poor; 4. the temperature inside the normal dew removing time chamber is higher, and is particularly close to the periphery of the door body, which is not beneficial to food preservation.
Disclosure of Invention
The invention aims to provide a refrigerator with an anti-condensation device, which can be used for determining the opening and closing of a door heater and the working time by integrating the surface humidity and the surface temperature of a door, well preventing the surface condensation of a glass door of the refrigerator and saving electric energy; in addition, the working efficiency of the anti-condensation heater can be effectively improved through the control method of the anti-condensation device, the rated power of the anti-condensation heater device is reduced, the power consumption of the working period of the heater device is reduced, the energy efficiency of the whole machine is improved, and the anti-condensation device can be popularized and applied to the refrigerator with the electric control door.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a refrigerator with an anti-condensation device, which comprises a refrigerator body and a glass door body, wherein a door body heater for heating is arranged on the peripheral side surface of the inner wall of the glass door body; the outer surface of the glass door body is provided with a display panel and a temperature and humidity sensor for detecting the environmental temperature and humidity, and the temperature and humidity sensor is provided with a collecting hole for sensing the surface temperature and humidity of the door body; the refrigerator body is provided with a control panel, and the control panel takes temperature and humidity parameters acquired by the temperature and humidity sensor as parameters for controlling the working state of the door heater.
Furthermore, the temperature and humidity sensor, the display panel and the door body heater are all connected with the control panel.
Furthermore, the glass door body is provided with air holes corresponding to the collecting holes, so that air circulation is facilitated.
Further, the door body heater is a silica gel heating wire.
Furthermore, a box body is arranged on the outer surface of the glass door body, and the temperature and humidity sensor is installed in the box body.
An anti-condensation control method of a refrigerator with an anti-condensation device comprises the following steps:
the method comprises the following steps: the method comprises the following steps of collecting door body surface humidity R and door body surface temperature T, and using the collected door body surface temperature R and door body surface humidity T as parameters for controlling the operation of a door body heater by a control panel:
step two: if R is less than 15 ℃ or T is less than 35% RH, the door body heater is closed; if not, the door body heater keeps the working state, and the step three is carried out;
step three: the cycle period of the heater of the door body is preset to be 300s, and the relation between the working time t of the heater and the stopping time Deltat of the heater is as follows: d, 300-t; wherein T is more than or equal to-5 ℃ and less than or equal to 45 ℃, R is more than or equal to 0% RH and less than or equal to 100% RH.
Further, when T < T0 or R < R0, the heater heating time T is 0, where T0 is the door body surface operating temperature, R0 is the door body surface operating humidity, T0 is 15 ℃, and R0 is 35% RH.
Further, the range value of the surface temperature T of the door body is divided into 5 intervals.
Further, the range value of the surface humidity R of the door body is divided into 6 intervals.
The invention has the following beneficial effects:
1. the invention defines the opening and closing of the door heater and the working time by integrating the surface humidity and the surface temperature of the door, can well prevent the surface condensation of the glass door of the refrigerator and saves the electric energy.
2. The control method of the anti-condensation device can effectively improve the working efficiency of the anti-condensation heater, reduce the rated power of the anti-condensation heater, reduce the power consumption of the working period of the heater, improve the energy efficiency of the whole machine and be popularized and applied to the electric control door refrigerator.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a refrigerator having a condensation preventing apparatus according to the present invention;
FIG. 2 is a partial view taken at A in FIG. 1;
fig. 3 is a block diagram illustrating a structure of a refrigerator having a condensation preventing apparatus;
fig. 4 is a flowchart of an anti-condensation control method of a refrigerator having an anti-condensation device;
in the drawings, the components represented by the respective reference numerals are listed below:
1-temperature and humidity sensor, 2-door heater, 3-glass door, 4-display panel, 5-refrigerator body, 6-control panel, 101-collecting hole, 301-air hole and 302-box body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1 and 2, the invention relates to a refrigerator with an anti-condensation device, which comprises a refrigerator body 5 and a glass door body 3, wherein a door body heater 2 for heating is arranged on the peripheral side surface of the inner wall of the glass door body 3, and the door body heater 2 is attached to the two sides and the lower part of the inner part of the glass door body 3; the outer surface of the glass door body 3 is provided with a display panel 4 and a temperature and humidity sensor 1 for detecting the environmental temperature and humidity, the display panel 4 is arranged on the upper part of the glass door body 3, the temperature and humidity sensor 3 is arranged on the lower part of the glass door body 3, the temperature and humidity sensor 1 is provided with a collecting hole 101, and the collecting hole 101 is a circular hole or a square hole and is used for sensing the surface temperature and humidity of the glass door body;
referring to fig. 3, a control board 6 is arranged on the refrigerator body 5, the control board 6 is installed on the top or the back of the refrigerator body 5, and the control board 6 uses the temperature and humidity parameters collected by the temperature and humidity sensor 1 as parameters for controlling the working state of the door heater 2.
Preferably, the temperature and humidity sensor 1, the display panel 4 and the door heater 2 are all connected with the control panel 6.
Preferably, the glass door body 3 has seted up bleeder vent 301 with gathering the corresponding position in hole 101, and bleeder vent 301 is circular hole or quad slit, the circulation of air of being convenient for, gathers hole 101 and bleeder vent 301 surface laminating, easily gathers door body surface humidity and ambient temperature.
Preferably, the door body heater 2 is a silica gel heating wire.
Preferably, a box body 302 is arranged on the outer surface of the glass door body 3, and the temperature and humidity sensor 1 is installed in the box body 302.
The control mode of the condensation preventing device is as follows: temperature and humidity sensor 1 gathers door body surface humidity and door body surface temperature, control panel 6 regards the temperature and the humidity that temperature and humidity sensor 1 gathered as the parameter of control door body heater 2 work.
Referring to fig. 4, a method for controlling condensation of a refrigerator having a condensation preventing apparatus includes the steps of:
the method comprises the following steps: the method comprises the following steps of collecting door body surface humidity R and door body surface temperature T, and using the collected door body surface temperature R and door body surface humidity T as parameters for controlling the operation of the door body heater 2 by the control panel 6:
step two: if R is less than 15 ℃ or T is less than 35% RH, the door body heater 2 is closed; if not, the door body heater 2 keeps the working state, and the step three is carried out;
step three: presetting a cycle period of the door body heater 2 to be 300s, wherein the maximum working time is 100s, and the relation between the working time t of the heater and the stopping time Deltat of the heater is as follows: d, 300-t; wherein T is more than or equal to-5 ℃ and less than or equal to 45 ℃, R is more than or equal to 0% RH and less than or equal to 100% RH.
When T < T0 or R < R0, the heating time T of the heater is 0, wherein T0 is the working temperature of the surface of the door body, R0 is the working humidity of the surface of the door body, T0 is 15 ℃, and R0 is 35% RH.
The range value of the door body surface temperature T is divided into 5 intervals, the range value of the door body surface humidity R is divided into 6 intervals, each door body surface temperature T and the door body surface humidity R correspond to one working mode, the total number of the working modes is 30, each working mode corresponds to one heater heating time T, and the table 1 shows that: correspondence table of heater heating time T(s) and door body surface temperature T (DEG C) and door body surface humidity R (% RH)
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a refrigerator with prevent condensation device, includes refrigerator box (5) and glass door body (3), its characterized in that: a door body heater (2) for heating is arranged on the circumferential side surface of the inner wall of the glass door body (3); the outer surface of the glass door body (3) is provided with a display panel (4) and a temperature and humidity sensor (1) for detecting the ambient temperature and humidity, and the temperature and humidity sensor (1) is provided with a collecting hole (101) for sensing the surface temperature and humidity of the door body;
the refrigerator is characterized in that a control panel (6) is arranged on the refrigerator body (5), and the control panel (6) takes the temperature and humidity parameters collected by the temperature and humidity sensor (1) as parameters for controlling the working state of the door heater (2).
2. The refrigerator with the condensation preventing device according to claim 1, wherein the temperature and humidity sensor (1), the display panel (4) and the door heater (2) are connected with the control panel (6).
3. The refrigerator with the anti-condensation device according to claim 1, wherein the glass door body (3) is provided with air holes (301) at positions corresponding to the collecting holes (101) so as to facilitate air circulation.
4. The refrigerator with the condensation preventing device according to claim 1, wherein the door body heater (2) is a silica gel heater wire.
5. The refrigerator with the anti-condensation device according to claim 1, wherein a box body (302) is arranged on the outer surface of the glass door body (3), and the temperature and humidity sensor (1) is installed in the box body (302).
6. An anti-condensation control method of a refrigerator having an anti-condensation device according to any one of claims 1 to 5, comprising the steps of:
the method comprises the following steps: the method comprises the following steps of collecting door body surface humidity R and door body surface temperature T, wherein the collected door body surface temperature R and door body surface humidity T are used as parameters for controlling the operation of a door body heater (2) by a control panel (6):
step two: if R is less than 15 ℃ or T is less than 35% RH, the door body heater (2) is closed; if not, the door body heater (2) keeps the working state, and the step three is carried out;
step three: the cycle period of the preset door body heater (2) is 300s, and the relation between the working time t of the heater and the stopping time Deltat of the heater is as follows: d, 300-t; wherein T is more than or equal to-5 ℃ and less than or equal to 45 ℃, R is more than or equal to 0% RH and less than or equal to 100% RH.
7. The method of claim 6, wherein the heater heating time T is 0 when T < T0 or R < R0, wherein T0 is the door surface operating temperature, R0 is the door surface operating humidity, T0 is 15 ℃, and R0 is 35% RH.
8. The method for controlling condensation prevention of a refrigerator having a condensation prevention device according to claim 6, wherein the range of the door body surface temperature T is divided into 5 intervals.
9. The method for controlling condensation prevention of a refrigerator having a condensation prevention device according to claim 6, wherein the range of the surface humidity R of the door body is divided into 6 intervals.
Priority Applications (1)
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CN202011638379.0A CN112710118A (en) | 2020-12-31 | 2020-12-31 | Refrigerator with anti-condensation device and anti-condensation control method |
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CN202011638379.0A CN112710118A (en) | 2020-12-31 | 2020-12-31 | Refrigerator with anti-condensation device and anti-condensation control method |
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CN202011638379.0A Pending CN112710118A (en) | 2020-12-31 | 2020-12-31 | Refrigerator with anti-condensation device and anti-condensation control method |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2716772Y (en) * | 2004-05-24 | 2005-08-10 | 黄献隆 | Demister for glass door of refrigerating equipment |
US20080141689A1 (en) * | 2006-12-15 | 2008-06-19 | Hussmann Corporation | Refrigerated merchandiser with glass door heat control |
EP2161521A2 (en) * | 2008-09-03 | 2010-03-10 | LG Electronics Inc. | Refrigerator and method of controlling the same |
CN102313420A (en) * | 2010-07-09 | 2012-01-11 | 苏州三星电子有限公司 | Humidity sensing type refrigerator |
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 |
KR20130113273A (en) * | 2012-04-05 | 2013-10-15 | 기민전자주식회사 | Dew prevention apparatus for showcase refrigerator |
JP2015068510A (en) * | 2013-09-26 | 2015-04-13 | 株式会社東芝 | 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 |
CN106288633A (en) * | 2015-05-26 | 2017-01-04 | 青岛海尔智能技术研发有限公司 | Condensation prevention control method and refrigeration plant for refrigeration plant |
JP2020031760A (en) * | 2018-08-28 | 2020-03-05 | ホシザキ株式会社 | Cold storage show case |
CN214095123U (en) * | 2020-12-31 | 2021-08-31 | 长虹美菱股份有限公司 | Refrigerator with anti-condensation device |
-
2020
- 2020-12-31 CN CN202011638379.0A patent/CN112710118A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2716772Y (en) * | 2004-05-24 | 2005-08-10 | 黄献隆 | Demister for glass door of refrigerating equipment |
US20080141689A1 (en) * | 2006-12-15 | 2008-06-19 | Hussmann Corporation | Refrigerated merchandiser with glass door heat control |
EP2161521A2 (en) * | 2008-09-03 | 2010-03-10 | LG Electronics Inc. | Refrigerator and method of controlling the same |
CN102313420A (en) * | 2010-07-09 | 2012-01-11 | 苏州三星电子有限公司 | Humidity sensing type refrigerator |
KR20130113273A (en) * | 2012-04-05 | 2013-10-15 | 기민전자주식회사 | Dew prevention apparatus for showcase refrigerator |
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 |
JP2015068510A (en) * | 2013-09-26 | 2015-04-13 | 株式会社東芝 | Refrigerator |
CN106288633A (en) * | 2015-05-26 | 2017-01-04 | 青岛海尔智能技术研发有限公司 | Condensation prevention control method and refrigeration plant for refrigeration plant |
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 |
JP2020031760A (en) * | 2018-08-28 | 2020-03-05 | ホシザキ株式会社 | Cold storage show case |
CN214095123U (en) * | 2020-12-31 | 2021-08-31 | 长虹美菱股份有限公司 | Refrigerator with anti-condensation device |
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