CN103185439B - The temperature of refrigerating chamber compensating heater that a kind of household electric refrigerator uses - Google Patents
The temperature of refrigerating chamber compensating heater that a kind of household electric refrigerator uses Download PDFInfo
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- CN103185439B CN103185439B CN201310086962.9A CN201310086962A CN103185439B CN 103185439 B CN103185439 B CN 103185439B CN 201310086962 A CN201310086962 A CN 201310086962A CN 103185439 B CN103185439 B CN 103185439B
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Abstract
The invention discloses the temperature of refrigerating chamber compensating heater that a kind of household electric refrigerator uses, comprise heater strip, described heater strip is attached on aluminium foil, described aluminium foil is provided with the gas permeable devices that the gas for making between refrigerating chamber compensating heater and refrigerating chamber courage appears.Concrete, described gas permeable devices is the N number of diameter offered on aluminium foil is the air-vent of L.When this temperature of refrigerating chamber compensating heater and refrigerating chamber courage attach, the gas between refrigerating chamber compensating heater and refrigerating chamber courage is facilitated to flow out from air-vent.Refrigerating chamber compensating heater disclosed by the invention, its heating decimillimeter power is accomplished to be not more than M value, wherein M preferred value is 5.2W/m, ensure that the temperature of local in the compensation heating process of heater is unlikely to too high, be applied to household electric refrigerator when working under low ring temperature, compensate temperature of refrigerating chamber, ensure that temperature of refrigerating chamber is unlikely to too low, also can ensure the use of freezer temperature.
Description
Technical field
The present invention relates to refrigerator field, more specifically, relate to the temperature of refrigerating chamber compensating heater that a kind of household electric refrigerator uses.
Background technology
At present, the household electric refrigerator of domestic use all will be equipped with low temp compensating device, because during winter, China's most area temperature is lower than 5 ° of C, and now, the temperature controller in refrigerator does not start, refrigerator is not started shooting, so will use heater to heat, elevates the temperature, when arriving turn-on temperature, temperature controller starts, and refrigerator is started working, heater quits work, during when the reduction of ice the temperature inside the box and lower than 5 ° of C, restart heater, this process of iterative cycles.
But when refrigerator works under low ring temperature, temperature compensation heater carries out temperature-compensating.Temperature compensation heater inside includes heater strip, and the rice power influences of heater strip the temperature of refrigerator inside, and rice power is every meter of power had.And the temperature of refrigerating chamber compensating heater used at present is main just a kind of, i.e. aluminium foil heater.If aluminium foil heater power is too little, the compensating action played just is difficult to the cryopreservation temperature requirement meeting Standard, if but power is too large, and surface temperature during heater work is just higher, cause local temperature in refrigerating chamber too high, easily cause the food spoilage in refrigerating chamber.During the refrigerator cold-storage compensating heater work now existed on the market, temperature is general all at 40 ° of more than C.In order to reduce local temperature in refrigerating chamber, usually adopt the method for the area of dissipation increasing temperature of refrigerating chamber compensating heater.If but aluminium foil heater area increases, so when temperature compensation heater and refrigerating chamber courage attach, can be situated between generation gas, but these gases cannot be discharged, just have gas bubbles left between aluminium foil heater and refrigerating chamber courage, have impact on the heat transfer efficiency during heating of temperature of refrigerating chamber compensating heater.
Based on foregoing description, need badly and want a kind of method to solve heater and refrigerating chamber courage attaches, the problem of the bubble of two-layer centre generation.Also need the problem that surface temperature when solving the work of existing refrigerating chamber compensating heater is higher.
Summary of the invention
For solution heater and refrigerating chamber courage attach, the bubble produced in the middle of two-layer, reduce the problem of heat transfer efficiency when temperature of refrigerating chamber compensating heater heats, the object of the present invention is to provide the temperature of refrigerating chamber compensating heater that a kind of household electric refrigerator uses, described aluminium foil has the air-vent that N number of diameter is L, effective discharge aluminium foil heater power and heater and refrigerating chamber courage attach, the bubble produced in the middle of two-layer.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
The temperature of refrigerating chamber compensating heater that household electric refrigerator uses, comprise heater strip, described heater strip is attached on aluminium foil, described aluminium foil is provided with the gas permeable devices that the gas for making between refrigerating chamber compensating heater and refrigerating chamber courage appears.
As preferably, described gas permeable devices is the N number of diameter be opened on aluminium foil is the air-vent of L, the value of described N be more than or equal to 2 integer, the value of L is more than or equal to 1mm.
As preferably, the value of described N is 3.
As preferably, the value of described L is 2mm.
As preferably, the value of described heating decimillimeter power is not more than M, ensure heater in heating process during dry combustion method surface temperature be not more than T1, refrigerator is when 10 ° of below C work, and heater maximum operating temperature is not more than T2.
As preferably, the value of described M is 5.2W/m.
As preferably, described T1 value is 73 ° of C, and described T2 value is 30 ° of C.
As preferably, the value heating decimillimeter power is kept to be not more than 5.2W/m by the mode of the area of dissipation of increase aluminium foil or the length of lengthening heater strip.
As preferably, described aluminium foil appearance and size is not more than 320 × 70mm.
Beneficial effect of the present invention is, due to the invention provides refrigerator use temperature of refrigerating chamber compensating heater aluminium foil on have the air-vent that N number of diameter is L, the bubble that these air-vents can produce between discharge temperature compensating heater and refrigerating chamber courage, so can degree of solution compensating heater and refrigerating chamber courage attach, the problem of the bubble produced in the middle of two-layer, not only do not affect temperature of refrigerating chamber compensating heater heating time heat transfer efficiency, do not affect yet refrigeration chamber in attractive in appearance.When the number of air-vent is 3, and when diameter is 2mm, its exhaust effect is fine.Because the heating decimillimeter power be made up of hardware nickel-cadmium silk in temperature compensation heater is not more than 5.2W/m, so can ensure that the temperature of local in the heating process of heater is unlikely to too high, surface temperature is up to 73 ° of C when dry combustion method, when refrigerator works under low ring temperature, the heater work highest temperature is 30 ° of C, be significantly less than the temperature higher than 40 ° of C when the existing temperature compensation heater existed on the market works, to ensure that temp. in refrigerating chamber is unlikely to too high, the use of freezer temperature also can be ensured.
Accompanying drawing explanation
Fig. 1 is the temperature of refrigerating chamber compensating heater structural representation of the first embodiment provided by the invention;
Fig. 2 is the temperature of refrigerating chamber compensating heater structural representation of the second embodiment provided by the invention;
Fig. 3 is the temperature of refrigerating chamber compensating heater structural representation of the third embodiment provided by the invention.
In figure:
1, polyethylene pipe; 2, splicing ear; 3, aluminium foil; 4, air-vent; 5, heater strip; 6, power lead.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below by detailed description of the invention.
Fig. 1 is the temperature of refrigerating chamber compensating heater structural representation of the first embodiment provided by the invention.As shown in Figure 1, the temperature of refrigerating chamber compensating heater that this kind of household electric refrigerator uses, comprise form heater strip 5 by hardware, the high-frequency welding splicing ear 2 of the aluminium foil 3 that attaches for heater strip 5 and the power lead 6 be connected with heater strip 5 and connecting portion and polyethylene pipe 1.Concrete, aluminium foil 3 appearance and size is not more than 320 × 70mm, on the aluminium foil 3 that heater strip 5 attaches, it is the air-vent of 2mm that aluminium foil is provided with out 3 diameters, when temperature of refrigerating chamber compensating heater attaches mutually with refrigerating chamber courage as shown in Figure 1, the gas between refrigerating chamber compensating heater and refrigerating chamber courage can flow out easily from air-vent 4.Not only do not affect refrigerating chamber compensating heater heating time heat transfer efficiency, do not affect yet refrigeration chamber in attractive in appearance.
In order to ensure that the temperature of local in the temperature compensation procedure of heater is unlikely to too high, control by the mode of the area of dissipation of increase aluminium foil or the length of lengthening heater strip 5 value heating decimillimeter power.The rice power of temperature of refrigerating chamber compensating heater can be calculated according to the length of heater strip 5 and the general power of temperature of refrigerating chamber compensating heater.
In the present embodiment, the heater strip be made up of hardware nickel-cadmium silk 5 meters of power accomplish 5.2W/m, are applied to household electric refrigerator when working under low ring temperature, can compensate temperature of refrigerating chamber, ensure that temperature of refrigerating chamber is unlikely to too low, ensure the use of freezer temperature.Can ensure that again the temperature of local in the process of heater is unlikely to too high.
Concrete, when temperature compensation heater is under dry-fire condition, ensure that the surface temperature of temperature compensation heater is up to 73 ° of C.Dry combustion method is temperature controller when losing efficacy, and no matter temperature compensation heater energising work how long, and temperature controller all can not heat up.The temperature compensation heater be under dry-fire condition led to rated voltage after 24 hours, ensured that the surface temperature of temperature compensation heater is not more than 73 ° of C.When refrigerator works under low ring temperature, be generally refrigerator when 10 ° of below C work, the heater work highest temperature is 30 ° of C, and it is general all at 40 ° of more than C to show temperature when the refrigerator cold-storage compensating heater existed on the market works, its highest temperature is well below temperature during the refrigerator cold-storage compensating heater work existed on the market.
In the present embodiment, heater strip 5 meters of power of described temperature compensation heater also can for being less than other value of 5.2W/m.
In the present embodiment, the large smallest number of described air-vent 4 is not limited only to the structure shown in the first embodiment with distribution, its quantity and diameter can be all other value, if the number of air-vent 4 be more than or equal to 2 integer, the diameter of air-vent 4 is more than or equal to 1mm.
Fig. 2 is the temperature of refrigerating chamber compensating heater structural representation of the second embodiment provided by the invention; Fig. 3 is the temperature of refrigerating chamber compensating heater structural representation of the third embodiment provided by the invention.As shown in Figure 2, the quantity of air-vent 4 also can be 7, and its diameter as shown in the figure.As shown in Figure 3, the quantity of air-vent 4 also can be 4, and its diameter is less than the diameter of air-vent in the first embodiment.In addition, the number of air-vent and diameter thereof can be also other value, and the position of setting is also not limited only to the above.But the quantity of air-vent and diameter also have certain restriction, its quantity and diameter can not affect the normal work of compensator.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (9)
1. the temperature of refrigerating chamber compensating heater of a household electric refrigerator use, comprise heater strip (5), and the high-frequency welding splicing ear (2) of the power lead (6) to be connected with heater strip (5) and connecting portion and polyethylene pipe (1), described heater strip (5) is attached on aluminium foil (3), it is characterized in that: described aluminium foil (3) is provided with the gas permeable devices that the gas for making between refrigerating chamber compensating heater and refrigerating chamber courage appears.
2. temperature compensation heater according to claim 1, it is characterized in that: described gas permeable devices for the N number of diameter be opened on aluminium foil (3) be the air-vent (4) of L, the value of described N be more than or equal to 2 integer, the value of L is more than or equal to 1mm.
3. temperature compensation heater according to claim 2, is characterized in that: the value of described N is 3.
4. temperature compensation heater according to claim 2, is characterized in that: the value of described L is 2mm.
5. temperature compensation heater according to claim 1, is characterized in that: the value of described heater strip (5) rice power is not more than 5.2W/m.
6. temperature compensation heater according to claim 1, is characterized in that: ensure heater in heating process during dry combustion method surface temperature be not more than 73 DEG C.
7. temperature compensation heater according to claim 1, is characterized in that: when refrigerator works below 10 DEG C, and heater maximum operating temperature is not more than 30 DEG C.
8. temperature compensation heater according to claim 5, is characterized in that: keep the value of heater strip (5) rice power to be not more than 5.2W/m by the mode of the area of dissipation of increase aluminium foil (3) or the length of lengthening heater strip.
9. temperature compensation heater according to claim 1, is characterized in that: described aluminium foil (3) appearance and size is not more than 320 × 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310086962.9A CN103185439B (en) | 2013-03-19 | 2013-03-19 | The temperature of refrigerating chamber compensating heater that a kind of household electric refrigerator uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310086962.9A CN103185439B (en) | 2013-03-19 | 2013-03-19 | The temperature of refrigerating chamber compensating heater that a kind of household electric refrigerator uses |
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| Publication Number | Publication Date |
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| CN103185439A CN103185439A (en) | 2013-07-03 |
| CN103185439B true CN103185439B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310086962.9A Active CN103185439B (en) | 2013-03-19 | 2013-03-19 | The temperature of refrigerating chamber compensating heater that a kind of household electric refrigerator uses |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471321A (en) * | 2013-08-30 | 2013-12-25 | 安徽省宁国天成电工有限公司 | Aluminium foil heater |
| CN113915891B (en) * | 2021-05-08 | 2022-12-16 | 海信冰箱有限公司 | Refrigerator and temperature control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2453365Y (en) * | 2000-11-23 | 2001-10-10 | 广东科龙电器股份有限公司 | Electric refrigerator with automatic temp. compensation |
| CN1355410A (en) * | 2000-11-23 | 2002-06-26 | 广东科龙电器股份有限公司 | Automatic temp compensation method for refrigerator and its refrigerator |
| CN102668690A (en) * | 2009-12-24 | 2012-09-12 | 夏普株式会社 | Heating device |
| CN203224090U (en) * | 2013-03-19 | 2013-10-02 | 合肥晶弘电器有限公司 | Temperature compensation heater in refrigerating chamber for household refrigerator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001050633A (en) * | 1999-08-12 | 2001-02-23 | Hitachi Ltd | Refrigerator |
| JP2002107024A (en) * | 2000-10-02 | 2002-04-10 | Sanyo Electric Co Ltd | Refrigerator |
-
2013
- 2013-03-19 CN CN201310086962.9A patent/CN103185439B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2453365Y (en) * | 2000-11-23 | 2001-10-10 | 广东科龙电器股份有限公司 | Electric refrigerator with automatic temp. compensation |
| CN1355410A (en) * | 2000-11-23 | 2002-06-26 | 广东科龙电器股份有限公司 | Automatic temp compensation method for refrigerator and its refrigerator |
| CN102668690A (en) * | 2009-12-24 | 2012-09-12 | 夏普株式会社 | Heating device |
| CN203224090U (en) * | 2013-03-19 | 2013-10-02 | 合肥晶弘电器有限公司 | Temperature compensation heater in refrigerating chamber for household refrigerator |
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| Publication number | Publication date |
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| CN103185439A (en) | 2013-07-03 |
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Address after: 230601 Hefei economic and Technological Development Zone, Anhui Road, No. 4288 Applicant after: Hefei Kinghome Electrical Appliance Co., Ltd. Address before: 230601 No. 35, Taoyuan Road, Hefei economic and Technological Development Zone, Hefei, Anhui Applicant before: Hefei Kinghome Electrical Appliance Co., Ltd. |
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