CN103185439A - Cool chamber temperature compensation heater for domestic refrigerator - Google Patents
Cool chamber temperature compensation heater for domestic refrigerator Download PDFInfo
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- CN103185439A CN103185439A CN2013100869629A CN201310086962A CN103185439A CN 103185439 A CN103185439 A CN 103185439A CN 2013100869629 A CN2013100869629 A CN 2013100869629A CN 201310086962 A CN201310086962 A CN 201310086962A CN 103185439 A CN103185439 A CN 103185439A
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- heater
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- cool chamber
- temperature compensation
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a cool chamber temperature compensation heater for a domestic refrigerator. The heater comprises heating wires attached onto an aluminum foil, wherein ventilation devices for allowing air between the cool chamber temperature compensation heater and a cool chamber container to ventilate are arranged on the aluminum foil. Particularly, the ventilation devices are N air holes of which the diameter is L. When the cool chamber compensation heater is attached onto the cool chamber container, air between the cool chamber compensation heater and the cool chamber container flows out of the air holes conveniently. According to the invention, the power of each of heating wires of the cool chamber temperature compensation heater is not larger than M, the preferred value of M is 5.2W/m, the local temperature during compensation heating process of the heater is ensured not to be too high, when the domestic refrigerator works under the environment with low temperature, the heater is used for compensating the temperature of a cool chamber so as to ensure that the temperature of the cool chamber is not too low and ensure the temperature of the cool chamber.
Description
Technical field
The present invention relates to the 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 the low temp compensating device, because during winter, the most of regional temperature of China is lower than 5 ° of C, and at this moment, the temperature controller in the refrigerator does not start, refrigerator is not started shooting, and heats so will use heater, elevates the temperature, when arriving turn-on temperature, temperature controller starts, and refrigerator is started working, heater quits work, when temperature in the refrigerator reduces and is lower than 5 ° of C, restart heater, this process repeatedly circulates.
But when refrigerator was worked under low ring temperature, temperature compensation heater carried 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 power that has.And the temperature of refrigerating chamber compensating heater that uses at present is mainly just a kind of, i.e. the aluminium foil heater.If the aluminium foil heater power is too little, the compensating action that plays just is difficult to satisfy the cryopreservation temperature requirement that GB requires, if but power is too big, and the surface temperature during heater work is just than higher, cause the interior local temperature of refrigerating chamber too high, cause the food spoilage in the refrigerating chamber easily.Temperature is probably all at 40 ° more than the C during refrigerator cold-storage compensating heater work that now exists on the market.In order to reduce local temperature in the refrigerating chamber, adopt the method for the area of dissipation that increases the temperature of refrigerating chamber compensating heater usually.If but the aluminium foil heater area increases, so when temperature compensation heater and the attaching of refrigerating chamber courage, generation gas can be situated between, but these gases can't be discharged, just have bubble and remain between aluminium foil heater and the refrigerating chamber courage, the heat transfer efficiency when having influenced the heating of temperature of refrigerating chamber compensating heater.
Based on foregoing description, need badly and want a kind of method to solve heater and the attaching of refrigerating chamber courage, the problem of the two-layer middle bubble that produces.The surface temperature that also needs to solve when having the work of refrigerating chamber compensating heater now compares problem of higher.
Summary of the invention
Attach for solving heater and refrigerating chamber courage, the bubble that produces in the middle of two-layer, the problem of the heat transfer efficiency when having reduced the heating of temperature of refrigerating chamber compensating heater, the temperature of refrigerating chamber compensating heater that the object of the present invention is to provide a kind of household electric refrigerator to use, at the described aluminium foil air-vent that to have N diameter be L, effectively discharge aluminium foil heater power and heater and refrigerating chamber courage and attach, the two-layer middle bubble that produces.
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 a kind of household electric refrigerator uses comprises heater strip, and described heater strip is attached on the aluminium foil, and described aluminium foil is provided with the gas permeable devices that appears be used to the gas that makes between refrigerating chamber compensating heater and the refrigerating chamber courage.
As preferably, described gas permeable devices is N the air-vent that diameter is L that is opened on the aluminium foil, and the value of described N is the integer more than or equal to 2, and 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, guarantee heater in heating process during dry combustion method surface temperature be not more than T1, refrigerator is when working below the C for 10 °, the 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 that the area of dissipation by increasing aluminium foil or the mode that lengthens the length of heater strip keep heating decimillimeter power is not more than 5.2W/m.
As preferably, described aluminium foil appearance and size is not more than 320 * 70mm.
Beneficial effect of the present invention is, owing to the invention provides and have N diameter on the aluminium foil of the temperature of refrigerating chamber compensating heater that refrigerator uses and be the air-vent of L, these air-vents can the discharge temperature compensating heater and the refrigerating chamber courage between the bubble that produces, so can degree of solution compensating heater and the refrigerating chamber courage attach, the problem of the bubble that produces in the middle of two-layer, not only do not influence the temperature of refrigerating chamber compensating heater heat transfer efficiency in when heating, do not influence attractive in appearance in the refrigeration chamber yet.When the number of air-vent is 3, and diameter is when being 2mm, and its exhaust effect is fine.Because the heating decimillimeter power of being made by hardware nickel-cadmium silk in the temperature compensation heater is not more than 5.2W/m, be unlikely to too high so can guarantee temperature local in the heating process of heater, surface temperature is up to 73 ° of C when dry combustion method, when refrigerator is worked under low ring temperature, the heater work highest temperature is 30 ° of C, be significantly less than the temperature that is higher than 40 ° of C when the existing temperature compensation heater that exists is on the market worked, to guarantee that the refrigeration indoor temperature is unlikely to too high, also can guarantee the usefulness of freezer temperature.
Description of drawings
Fig. 1 is the temperature of refrigerating chamber compensating heater structural representation of first kind of embodiment provided by the invention;
Fig. 2 is the temperature of refrigerating chamber compensating heater structural representation of second kind of 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.
Among the figure:
1, polyethylene pipe; 2, splicing ear; 3, aluminium foil; 4, air-vent; 5, heater strip; 6, power lead.
The specific embodiment
Further specify technical scheme of the present invention below by the specific embodiment.
Fig. 1 is the temperature of refrigerating chamber compensating heater structural representation of first kind of embodiment provided by the invention.As shown in Figure 1, the temperature of refrigerating chamber compensating heater that this kind household electric refrigerator uses comprises by hardware constituting heater strip 5, supplying the aluminium foil 3 of heater strip 5 attachings and high-frequency welding splicing ear 2 and the polyethylene pipe 1 of the power lead 6 that is connected with heater strip 5 and connecting portion.Concrete, aluminium foil 3 appearance and sizes are not more than 320 * 70mm, on the aluminium foil 3 that heater strip 5 attaches, the air-vent that it is 2mm that aluminium foil is provided with out 3 diameters, when the temperature of refrigerating chamber compensating heater attached mutually with the refrigerating chamber courage as shown in Figure 1, the gas between refrigerating chamber compensating heater and the refrigerating chamber courage can flow out from air-vent 4 easily.Not only do not influence refrigerating chamber compensating heater when heating heat transfer efficiency, do not influence attractive in appearance in the refrigeration chamber yet.
In order to guarantee that temperature local in the temperature-compensating process of heater is unlikely to too high, control the value that heats decimillimeter power by the area of dissipation that increases aluminium foil or the mode that lengthens the length of heater strip 5.Can calculate the rice power of temperature of refrigerating chamber compensating heater according to the general power of the length of heater strip 5 and temperature of refrigerating chamber compensating heater.
In present embodiment, accomplish 5.2W/m by 5 meters power of heater strip that hardware nickel-cadmium silk is made, when being applied to household electric refrigerator and under low ring temperature, working, can compensate temperature of refrigerating chamber, guarantee that temperature of refrigerating chamber was unlikely to low, guarantee the usefulness of freezer temperature.Can guarantee that again temperature local in the process of heater is unlikely to too high.
Concrete, when temperature compensation heater is in dry-fire condition following time, guarantee that the surface temperature of temperature compensation heater is up to 73 ° of C.Dry combustion method is under the situation that temperature controller lost efficacy, and no matter temperature compensation heater energising work how long, and temperature controller can not heat up.The temperature compensation heater that is under the dry-fire condition led to rated voltage after 24 hours, guaranteed that the surface temperature of temperature compensation heater is not more than 73 ° of C.When refrigerator is worked under low ring temperature, be generally refrigerator when working below the C for 10 °, the heater work highest temperature is 30 ° of C, and during the existing refrigerator cold-storage compensating heater work that exists on the market temperature probably all at 40 ° more than the C, its highest temperature temperature during well below the refrigerator cold-storage compensating heater work that exists on the market.
In present embodiment, 5 meters power of the heater strip of described temperature compensation heater also can be other value less than 5.2W/m.
In present embodiment, the big smallest number of described air-vent 4 is not limited only to first kind of structure shown in the embodiment with distribution, its quantity and diameter all can be other value, as long as the number of air-vent 4 is the integer more than or equal to 2, the diameter of air-vent 4 gets final product more than or equal to 1mm.
Fig. 2 is the temperature of refrigerating chamber compensating heater structural representation of second kind of 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 among first kind of embodiment.In addition, the number of air-vent and diameter thereof also can be for other be worth, and the position of setting also is not limited only to the above.But the quantity of air-vent and diameter also have certain restriction, and its quantity and diameter can not influence the operate as normal of compensator.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described 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 specific embodiment 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 that uses of a household electric refrigerator, comprise heater strip (5), described heater strip (5) is attached on the aluminium foil (3), it is characterized in that: described aluminium foil (3) is provided with the gas permeable devices that appears be used to the gas that makes between refrigerating chamber compensating heater and the refrigerating chamber courage.
2. temperature compensation heater according to claim 1 is characterized in that: described gas permeable devices is the air-vent (4) that to be opened in N diameter on the aluminium foil (3) be L, and the value of described N is the integer more than or equal to 2, and the value of L is more than or equal to 1mm.
3. temperature compensation heater according to claim 2, it is characterized in that: the value of described N is 3.
4. temperature compensation heater according to claim 2, it is characterized in that: the value of described L is 2mm.
5. temperature compensation heater according to claim 1, it is characterized in that: the value of described heater strip (5) rice power is not more than M, guarantee heater in heating process during dry combustion method surface temperature be not more than T1, refrigerator is when working below the C for 10 °, the heater maximum operating temperature is not more than T2.
6. temperature compensation heater according to claim 5, it is characterized in that: the value of described M is 5.2W/m.
7. temperature compensation heater according to claim 5, it is characterized in that: described T1 value is 73 ° of C, described T2 value is 30 ° of C.
8. temperature compensation heater according to claim 6 is characterized in that: keep the value of heater strip (5) rice power to be not more than 5.2W/m by the area of dissipation that increases aluminium foil (3) or the mode that lengthens the length of heater strip.
9. temperature compensation heater according to claim 1, it 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185439A true CN103185439A (en) | 2013-07-03 |
| CN103185439B CN103185439B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Cited By (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 |
| CN113915891A (en) * | 2021-05-08 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and temperature control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001050633A (en) * | 1999-08-12 | 2001-02-23 | Hitachi Ltd | Refrigerator |
| 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 |
| JP2002107024A (en) * | 2000-10-02 | 2002-04-10 | Sanyo Electric Co Ltd | Refrigerator |
| 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 |
-
2013
- 2013-03-19 CN CN201310086962.9A patent/CN103185439B/en active Active
Patent Citations (6)
| 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 |
| 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 |
Cited By (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 |
| CN113915891A (en) * | 2021-05-08 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and temperature control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103185439B (en) | 2016-03-02 |
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| CB02 | Change of applicant information |
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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| GR01 | Patent grant |