CN1766495A - Defrosting device of evaporator for refrigerator - Google Patents
Defrosting device of evaporator for refrigerator Download PDFInfo
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- CN1766495A CN1766495A CN 200410072496 CN200410072496A CN1766495A CN 1766495 A CN1766495 A CN 1766495A CN 200410072496 CN200410072496 CN 200410072496 CN 200410072496 A CN200410072496 A CN 200410072496A CN 1766495 A CN1766495 A CN 1766495A
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- evaporator
- evaporimeter
- refrigerator
- defroster
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Abstract
The invention discloses a defrosting device of refrigerator evaporator, which comprises the following parts: evaporator needle, line part, joggling part and evaporator, wherein several evaporator needles form through-hole with parallel stratification structure; the extended pipe is bent several times to form the line part and joggling part; the evaporator pierces the through-hole and presses in the evaporator coolant pipe; the evaporator contains heater, which is composed of heating wire and insulating material around the wire; the heating wire adapts carbon heating wire and the insulating material adapts PET film. The invention provides safe device when using electricity, which improves the whole defrosting effect.
Description
Technical field
The present invention relates to a kind of defroster of evaporator for refrigerator.
Background technology
In general, refrigerator is to be used for freezing or chilled food etc. and the household appliances of use, is provided with freeze cycle in the above-mentioned refrigerator, is used to produce cold air, and freezing or chilled food etc.
The refrigerator of prior art is described with reference to the accompanying drawings.
As shown in Figure 1, existing refrigerator includes following several sections: compressor (1) is used for gas coolant with the low-temp low-pressure state and boosts and be condensed to the gaseous state of HTHP; Condenser (2) is with the refrigerant of the high temperature and high pressure gas state that flows in the above-mentioned compressor (1), by the extraneous air cooling condensation and be converted to liquid refrigerants; Capillary (3), diameter is more less than other parts, makes it carry out decompression operation to the refrigerant that flows in the above-mentioned condenser; Evaporimeter (4) makes refrigerant by above-mentioned capillary (3) under low-pressure state, evaporates with lower temperature, and absorbs heat in the refrigerator.
And existing refrigerator structure is divided into substantially: refrigerating chamber (5), and the indoor cold air that carries out heat exchange in the above-mentioned evaporimeter (4) that flows directly into, and keep-18 ℃ temperature approximately; Refrigerating chamber (6), indoor inflow have the cold air in the above-mentioned refrigerating chamber (5), and keep about 0～7 ℃ temperature.
The rear, bottom of above-mentioned refrigerating chamber (6) is provided with the Machine Room (7) that is used to install compressor (1) and condenser (2) etc.
Simultaneously, the rear side of above-mentioned refrigerating chamber (5) is formed with the cold air span (8) isolated with refrigerating chamber by rear wall (5a), respectively is provided with in the above-mentioned cold air span (8): evaporimeter (4); Cooling fan (9), the cold air that is used for above-mentioned evaporimeter (4) is carried out heat exchange forces to be blown into above-mentioned refrigerating chamber (5); Defrost heater (10,11) is used to remove the frost that form on the surface of above-mentioned evaporimeter (4).
Here, the temperature on above-mentioned evaporimeter (4) surface keeps low-temperature condition, and the temperature around it then keeps the relatively-high temperature state, and the surface of evaporimeter is wetly owing to the said temperature difference is full of, and above-mentioned moisture is because of the directly frosting of temperature of evaporator surface.
The icing lamination state of above-mentioned moisture is commonly referred to ' frost ', above-mentioned heater (10,11) be used to melt the frost of above-mentioned generation, by utilizing heater (10,11) heat that produces in, heat above-mentioned evaporimeter (4) with certain hour, thus the frost that form on the surface of thawing evaporimeter (4).
The mounting structure of above-mentioned heater is divided into two kinds, and a kind of is to isolate from evaporimeter (4), and utilizes the contactless heater (10) of convection type; Another kind is and the contacted direct contact heater of evaporimeter (4) (11).According to the structure of refrigerator, use one of them or two to use simultaneously.
Utilize above-mentioned heater (10,11) defrost operation, experimental calculation by repeatedly goes out to remove value average time that generates frost after the frost in the evaporimeter (4) once more, and periodically drives heater corresponding to above-mentioned time value, thereby removes the frost that the surface of evaporimeter (4) generates.
But above-mentioned Defrost heater (10,11) is by the power supply of the connecting operation of generating heat, the electric energy of possible glut in order to reach required temperature, make temperature reach temperature required more than, so on safety problem, can't be protected.
Particularly, under the situation of only using contactless heater (10,11), when evaporimeter was heated, ambient air also obtained heating, so the efficient of heater reduces.And the frost that generates in the nearer evaporimeter of heater will be removed easily, on the contrary, the frost that in heater evaporimeter far away, generates then difficulty remove.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of defroster of evaporator for refrigerator, make it when ensureing with the electric problem of safety, improve the defrosting effect of evaporimeter on the whole.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of defroster of evaporator for refrigerator comprises: form through hole and have a plurality of evaporimeter pins of laminated structure arranged side by side mutually; The canal curvature number of 1 prolongation time and be formed with a plurality of line parts and joggling part runs through above-mentioned through hole simultaneously and is pressed into the evaporimeter of the refrigerator of the evaporimeter refrigerant pipe that is assembled, and it is characterized in that above-mentioned evaporimeter is provided with heater.
The defroster of aforesaid evaporator for refrigerator, wherein heater constitutes with the megohmite insulant that heating line and being used to encases above-mentioned heating line.
The defroster of aforesaid evaporator for refrigerator wherein in above-mentioned heater, has used the carbon hot line as the heating line.
The defroster of aforesaid evaporator for refrigerator wherein in above-mentioned heater, has used the PET film as the megohmite insulant that encases above-mentioned carbon hot line.
The defroster of aforesaid evaporator for refrigerator, wherein in above-mentioned heater, above-mentioned carbon hot line is installed on the PET film of plate-like moulding with curved shape.
The defroster of aforesaid evaporator for refrigerator, wherein heater is the PET element.
The defroster of aforesaid evaporator for refrigerator wherein is formed with through hole in the PET film, makes its through hole corresponding to above-mentioned evaporimeter pin.Simultaneously, above-mentioned carbon hot line toothing shape around the through hole of above-mentioned PET film.
The defroster of aforesaid evaporator for refrigerator, wherein heater has the structure of the evaporimeter pin side that is installed at least more than one.
The defroster of aforesaid evaporator for refrigerator, wherein heater is fixedly installed in the marginal portion of at least more than one evaporimeter pin simultaneously.
The defroster of aforesaid evaporator for refrigerator wherein is formed with the perforation slotted hole horizontal or vertical with the length direction of above-mentioned evaporimeter pin at least more than one continuously arranged evaporimeter pin, and above-mentioned heater then connects and is installed in the above-mentioned perforation slotted hole.
The defroster of aforesaid evaporator for refrigerator wherein is formed with the insertion slotted hole horizontal or vertical with the length direction of above-mentioned evaporimeter pin at least more than one continuously arranged evaporimeter pin, and above-mentioned heater then inserts and is installed in the above-mentioned insertion slotted hole.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the lateral cross-sectional view of existing refrigerator.
Fig. 2 is a heater scheme of installation in the evaporator for refrigerator defroster of the embodiment of the invention.
Fig. 3 to Figure 10 is several mounting structure schematic diagrames of the heater of the embodiment of the invention.
The specific embodiment
As shown in Figure 2, the heater of installing in the evaporator for refrigerator defroster of the embodiment of the invention is gone up discoid megohmite insulant (52) formation of coated (coating) by carbon hot line (carbon) (51) that is widely used in electric floor, liner etc. recently and surface.
Wherein, above-mentioned megohmite insulant has mainly used PET film (polyethylene terephthalatefilm---polyethylene terephthalate film) (52).
In addition, for utilizing the space to greatest extent, and make its heating efficiency maximization, above-mentioned carbon hot line (51) is installed in the above-mentioned PET film (52) with set curved shape, and is electrically connected in the power supply unit (not shown) of refrigerator.
Carbon hot line (51) is the relevant industries technique known by structure and method that PET film megohmite insulants such as (52) encases, its detailed explanation of Therefore, omited.
To shown in Figure 10, above-mentioned heater (50) is fixedly installed in evaporimeter (40) multiple mode as Fig. 3.
At first, as shown in Figure 3, the evaporimeter conducting strip (44) of evaporimeter (40) comprises two sides pin (43) and is formed at middle middle needle (42), one side of at least more than one evaporimeter conducting strip (44) is equipped with the heater (50) that the carbon hot line (51) of above-mentioned PET film (52) coating constitutes.
In the case, as shown in Figure 4, be formed with through hole (52a) in the PET film (52), make its through hole (44h) corresponding to above-mentioned evaporimeter conducting strip (44), above-mentioned carbon hot line (51) becomes sawtooth (zigzag) shape on every side at the through hole (52a) of above-mentioned PET film (52), and makes above-mentioned heater (50 ') be installed on evaporimeter conducting strip (44).
Perhaps, as shown in Figure 2, there is not through hole (44h) that the heater (50) of through hole (52a) also can be installed on evaporimeter conducting strip (44) on every side.
As shown in Figure 5, at least more than one the edge of evaporimeter conducting strip (44), that is, during from the seeing on the whole of evaporimeter (40), fixedly mount the structure of above-mentioned heater (50) in a side of evaporimeter (40).
In the case, heater (50) can laterally be installed as shown in Figure 5, or vertically installs as shown in Figure 6.
And, extremely shown in Figure 10 as Fig. 7, be formed with a plurality of perforation slotted hole (44a on the evaporimeter conducting strip (44), 44b) and insert slotted hole (44c, 44d), heater (50) then connect or insert be installed on connect slotted hole (44a, 44b) and insert slotted hole (44c, 44d), make arbitrarily between the evaporimeter refrigerant pipe (41) laterally or vertical the clamping above-mentioned heater (50) is installed.
Though not shown in the figures, a heater (50) is installed among Fig. 4 to Figure 10, the heater (50) of required number is installed on also can be in position.
The following describes the as above effect of the embodiment of the invention of structure.
When forming frost on the surface of evaporimeter (40), the power supply of carbon hot line (51) by connecting in the power line (not shown), and generate heat by internal resistance.
At this moment, by having the heater (50) that excellent electric insulating and stable on heating PET film (52) and carbon hot line (51) constitute, carry out the heat conduction, thereby remove the frost that generates in the above-mentioned evaporimeter (40) to above-mentioned evaporimeter conducting strip (44).
That is, carry out indirect heat conducting heater and compare, use directly mode among the present invention, more imitate rational structure having aspect the heat conduction to evaporimeter conduction heat with the convection type that passes through that uses in the prior art.Simultaneously, heater of the present invention directly is installed on the surface of above-mentioned evaporimeter (40) with plate-like, makes it account for capable installing space and minimizes.
Particularly, under the situation of the heater (50) that uses carbon hot line (51) to constitute, more can embody the advantage that carbon hot line (51) has.
For example, compare with the heater that uses other hot line, its energy-saving effect is more obvious, and electromagnetic radiation simultaneously is also less, and its installing space is minimized.
And carbon hot line (51) itself radiation has far infrared, prevents vegetative advantage thereby have on aspect the health.
In addition, though not shown in the figures, carbon hot line (51) has the advantages that resistance value sharply rises more than Curie temperature (curietemperature), makes when connecting voltage, has with environment temperature irrelevant and keep self temperature control function of uniform temperature.Thus, recently in multiple fields such as fan heater, drier, mosquito-repellent incenses, alternative above-mentioned heater (50) uses PTC (Positive TemperatureCoefficient---positive temperature coefficient) element.
In the case, PTC element (not shown) also can adopt as Fig. 3 and install to multiple mode shown in Figure 10.
The structures of PTC element (end shows among the figure) self etc. are the relevant industries technique known, its detailed explanation of Therefore, omited.
Be that the center describes as above, but in the scope that does not exceed basic fundamental thought of the present invention, the operator of relevant industries can propose the embodiment of various deformation with preferred embodiment of the present invention.
The effect of invention
As mentioned above, used heater as the defroster that is installed on evaporimeter among the present invention, compare with the structure of mounting heater in the prior art, the invention provides more simple assembly manipulation, and can carry out heat transfer operations by the direct heat conduction, make it in the Effective Raise defrosting effect, also can ensure Electrical Safety.
Claims (11)
1, a kind of defroster of evaporator for refrigerator comprises: form through hole and have a plurality of evaporimeter pins of laminated structure arranged side by side mutually; The canal curvature number of 1 prolongation time and be formed with a plurality of line parts and joggling part runs through above-mentioned through hole simultaneously and is pressed into the evaporimeter of the refrigerator of the evaporimeter refrigerant pipe that is assembled, it is characterized in that,
Above-mentioned evaporimeter is provided with heater.
2, the defroster of evaporator for refrigerator according to claim 1 is characterized in that,
Above-mentioned heater constitutes with the megohmite insulant that heating line and being used to encases above-mentioned heating line.
3, the defroster of evaporator for refrigerator according to claim 2 is characterized in that,
In above-mentioned heater, used the carbon hot line as the heating line.
4, the defroster of evaporator for refrigerator according to claim 3 is characterized in that,
In above-mentioned heater, used the PET film as the megohmite insulant that encases above-mentioned carbon hot line.
5, the defroster of evaporator for refrigerator according to claim 4 is characterized in that,
In above-mentioned heater, above-mentioned carbon hot line is installed on the PET film of plate-like moulding with curved shape.
6, the defroster of evaporator for refrigerator according to claim 1 is characterized in that,
Above-mentioned heater is the PET element.
7, the defroster of evaporator for refrigerator according to claim 5 is characterized in that,
Be formed with through hole in the above-mentioned PET film, make its through hole corresponding to above-mentioned evaporimeter pin.Simultaneously, above-mentioned carbon hot line toothing shape around the through hole of above-mentioned PET film.
8, according to the defroster of claim 2 or 3 or 4 or 5 or 6 or 7 described evaporator for refrigerator, it is characterized in that,
Above-mentioned heater has the structure of the evaporimeter pin side that is installed at least more than one.
9, according to the defroster of claim 5 or 6 described evaporator for refrigerator, it is characterized in that,
Above-mentioned heater is fixedly installed in the marginal portion of at least more than one evaporimeter pin simultaneously.
10, according to the defroster of claim 5 or 6 described evaporator for refrigerator, it is characterized in that,
Be formed with the perforation slotted hole horizontal or vertical with the length direction of above-mentioned evaporimeter pin at least more than one continuously arranged evaporimeter pin, above-mentioned heater then connects and is installed in the above-mentioned perforation slotted hole.
11, according to the defroster of claim 5 or 6 described evaporator for refrigerator, it is characterized in that,
Be formed with the insertion slotted hole horizontal or vertical with the length direction of above-mentioned evaporimeter pin at least more than one continuously arranged evaporimeter pin, above-mentioned heater then inserts and is installed in the above-mentioned insertion slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072496 CN1766495A (en) | 2004-10-27 | 2004-10-27 | Defrosting device of evaporator for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072496 CN1766495A (en) | 2004-10-27 | 2004-10-27 | Defrosting device of evaporator for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1766495A true CN1766495A (en) | 2006-05-03 |
Family
ID=36742520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072496 Pending CN1766495A (en) | 2004-10-27 | 2004-10-27 | Defrosting device of evaporator for refrigerator |
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| Country | Link |
|---|---|
| CN (1) | CN1766495A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865590A (en) * | 2009-04-14 | 2010-10-20 | 三菱电机株式会社 | Refrigeratory |
| WO2011080089A3 (en) * | 2009-12-30 | 2011-12-29 | Arcelik Anonim Sirketi | A cooling device |
| CN103245133A (en) * | 2013-05-03 | 2013-08-14 | 杭州临安龙成能源科技有限公司 | Defrosting condenser for outdoor unit of heating device and defrosting control method of defrosting condenser |
| CN103353203A (en) * | 2013-05-31 | 2013-10-16 | 镇江天信电器有限公司 | Improved mounting structure of defrosting heater |
-
2004
- 2004-10-27 CN CN 200410072496 patent/CN1766495A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865590A (en) * | 2009-04-14 | 2010-10-20 | 三菱电机株式会社 | Refrigeratory |
| CN101865590B (en) * | 2009-04-14 | 2011-12-21 | 三菱电机株式会社 | Refrigeratory |
| WO2011080089A3 (en) * | 2009-12-30 | 2011-12-29 | Arcelik Anonim Sirketi | A cooling device |
| CN103245133A (en) * | 2013-05-03 | 2013-08-14 | 杭州临安龙成能源科技有限公司 | Defrosting condenser for outdoor unit of heating device and defrosting control method of defrosting condenser |
| CN103245133B (en) * | 2013-05-03 | 2015-09-16 | 浙江汉龙能源科技有限公司 | A kind of defrosting condenser for heating combined equipment off-premises station and defrosting control method thereof |
| CN103353203A (en) * | 2013-05-31 | 2013-10-16 | 镇江天信电器有限公司 | Improved mounting structure of defrosting heater |
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Open date: 20060503 |