CN103375958A - Refrigerant heating device and air conditioner with same - Google Patents
Refrigerant heating device and air conditioner with same Download PDFInfo
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- CN103375958A CN103375958A CN2012101235113A CN201210123511A CN103375958A CN 103375958 A CN103375958 A CN 103375958A CN 2012101235113 A CN2012101235113 A CN 2012101235113A CN 201210123511 A CN201210123511 A CN 201210123511A CN 103375958 A CN103375958 A CN 103375958A
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- refrigerant heater
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Abstract
The invention provides a refrigerant heating device. The refrigerant heating device comprises a refrigerant outer tube (1), a heating portion and spiral fins (18); the refrigerant outer tube (1) comprises a first inner chamber, the refrigerant inlet (5) and the refrigerant outlet (9); the heating portion is at least partially arranged in the first inner chamber; the spiral fins (18) are arranged on the outer wall of the heating portion in a sleeved mode; the inner wall of the refrigerant outer tube (1), the spiral fins (18) and the outer wall of the heating portion are formed into a spiral refrigerant channel from the refrigerant inlet (5) to the refrigerant outlet (9) commonly. The refrigerant heating device and an air conditioner with same effectively solve the problem that the heating efficiency of refrigerant heating devices is low in the prior art.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of refrigerant heater and have the air-conditioner of this refrigerant heater.
Background technology
Frosting is the main cause that threatens in the winter time heat pump air conditioner.When heat pump air conditioner was lower than 0 ℃ at outdoor environment temperature, within the limited defrost time, the quantity of heat given up of depending merely on complete machine itself was not enough to the frost on the evaporimeter is melted away, and therefore, need to defrost by extra heat.At present, generally adopt electric heater directly to heat the method for refrigerant, be electric energy conversion the heat energy of refrigerant by the refrigerant heater that is arranged on the pipeline, thereby increase the heat of unit output, improve efficient and the efficiency of defrost.
Refrigerant heater of the prior art has outer tube and the setting heater within the outer tube of refrigerant circulation, when being blown into outer tube, refrigerant contacts with heater, finish heating, but the heater of refrigerant the heater of the prior art and contact area of refrigerant is less, heat transfer area is less, thereby cause the problem of the inefficiency of refrigerant heating.
Summary of the invention
The present invention aims to provide a kind of refrigerant heater and has the air-conditioner of this refrigerant heater, to solve the low problem of the refrigerant heater efficiency of heating surface in the prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of refrigerant heater, comprising: the refrigerant outer tube has the first inner chamber, refrigerant import and refrigerant exit; The heating part is at least partially disposed in the first inner chamber; Helical fin is set on the outer wall of heating part, and wherein, the outer wall of the inwall of refrigerant outer tube, helical fin and heating part forms the helical form refrigerant passage from the refrigerant import to refrigerant exit jointly.
Further, the heating part comprises: heat conducting sleeve has the second inner chamber that holds the first heat conductive insulating medium; Heater is arranged in the second inner chamber.
Further, heater comprises: housing has the 3rd inner chamber that holds the second heat conductive insulating medium; The magnesia rod is arranged in the 3rd inner chamber; Electrical heating wire is coiled on the magnesia rod, is connected with power supply by wire; Binding post is connected to form power supply circuits by wire and electrical heating wire.
Further, heater also comprises and is connected on the power supply circuits thermistor that is used for preventing the heater excess Temperature.
Further, heater also comprises and is connected on the power supply circuits temperature limiter that is used for preventing the heater excess Temperature.
Further, heater also comprises and is connected on the power supply circuits fuse-link that is used for preventing the heater excess Temperature.
Further, fuse-link is fusible link.
Further, electrical heating wire is fusible link.
Further, electrical heating wire is divided into multistage, is in series with fusible link between adjacent two sections.
Further, have installing hole on the barrel of heat conducting sleeve, the insulated enclosure borehole jack with through hole is installed in the installing hole, wire passes the outside that extends to heat conducting sleeve from through hole.
Further, the second heat conductive insulating medium is magnesia powder.
Further, the first heat conductive insulating medium is heat conductive insulating oil.
Further, be provided with fixture on the barrel of heat conducting sleeve, fixture makes the outer wall of heat conducting sleeve and the inwall in the second inner chamber have the gap.
Further, fixture is retainer ring, and retainer ring has the endoporus adaptive with heater, and heater is connected in the endoporus and with the heat conducting sleeve inwall has the gap.
Further, heat conducting sleeve has the first heat conductive insulating Filled Dielectrics mouth, and heat conducting sleeve also is provided with the seal cover of sealing the first heat conductive insulating Filled Dielectrics mouth.
Further, helical fin is adjacent to the inwall of refrigerant outer tube and is connected, and is adjacent to the outer wall of heating part and is connected.
According to a further aspect in the invention, provide a kind of air-conditioner, comprised above-mentioned refrigerant heater.
Use technical scheme of the present invention, the refrigerant heater comprises: the refrigerant outer tube has the first inner chamber, refrigerant import and refrigerant exit; The heating part is at least partially disposed in the first inner chamber; Helical fin is set on the outer wall of heating part, and wherein, the outer wall of the inwall of refrigerant outer tube, helical fin and heating part forms the helical form refrigerant passage from the refrigerant import to refrigerant exit jointly.After the refrigerant heater increases helical fin, after refrigerant enters the refrigerant outer tube by the refrigerant import, flow along the helical form refrigerant passage, contact with the heating part simultaneously, increased like this operation length of refrigerant, increased heat exchange area, abundant heat exchange when the assurance refrigerant flows in refrigerant outer tube 1, thereby improved the efficiency of heating surface of refrigerant heater, also avoided simultaneously the refrigerant uneven problem of being heated.
Description of drawings
The Figure of description that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the first embodiment of refrigerant heater of the present invention; And
Fig. 2 shows the structural representation of the second embodiment of refrigerant heater of the present invention.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 1, the refrigerant heater of the first embodiment of the present invention comprises refrigerant outer tube 1, heating part and helical fin 18, refrigerant outer tube 1 has the first inner chamber, refrigerant import 5 and refrigerant exit 9, wherein, refrigerant import 5 arranges on the sidewall of refrigerant outer tube 1, refrigerant exit 9 is arranged on the end wall of refrigerant outer tube 1, the heating part is at least partially disposed in the first inner chamber, helical fin 18 is set on the outer wall of heating part, wherein, helical fin 18 is adjacent to welding with the inwall of refrigerant outer tube 1, and be adjacent to welding with the outer wall of heating part, the inwall of refrigerant outer tube 1, the outer wall of helical fin 18 and heating part forms jointly from refrigerant import 5 to refrigerant exit 9 helical form refrigerant passage.
After the refrigerant heater of the first embodiment increases helical fin 18, after refrigerant enters refrigerant outer tube 1 by refrigerant import 5, flow along the helical form refrigerant passage, contact with the heating part simultaneously, increased like this operation length of refrigerant, increased heat exchange area, abundant heat exchange when the assurance refrigerant flows in refrigerant outer tube 1, thereby improved the efficiency of heating surface of refrigerant heater, also avoided simultaneously the refrigerant uneven problem of being heated.
Preferably, the heating part comprises heat conducting sleeve 2 and heater 6, and heat conducting sleeve 2 has the second inner chamber that holds heat-conducting medium 3, and heater 6 is arranged in the second inner chamber.Preferably, heater 6 comprises housing, magnesia rod 17, electrical heating wire 12 and binding post 8, housing has the 3rd inner chamber, magnesia rod 17 is arranged in the 3rd inner chamber, electrical heating wire 12 is coiled on the magnesia rod 17, be connected with power supply by wire, binding post 8 is connected with power supply and is connected to form power supply circuits by wire and electrical heating wire 12.The thermal conductivity of magnesia rod 17 is good, and non-conductive, makes the efficiency of heating surface of heater 6 higher, safer.Preferably, be filled with magnesia powder 15 in the 3rd inner chamber.Arrange like this magnesia powder 15 that passes through that the heat that produces by electrical heating wire 12 can be very fast is conducted in the heat conducting sleeve 2, effectively improved the efficiency of heating surface.Simultaneously, outer wall satisfying basic insulation or the superinsulation requirement of electrical heating wire 12 and heater 6.
Preferably, heater 6 also comprises and is connected on the power supply circuits fuse-link 11 that is used for preventing the heater excess Temperature.In most preferred embodiment, fuse-link 11 adopts fusible link, and those skilled in the art can learn that also fuse-link 11 can also be selected the fuse-link of other similar fusible links.At power supply circuits fuse-link 11 is set and guarantees that heater 6 disconnects rapidly heater 6 work, the safety of protection heater 6 under excessive temperature.In a kind of unshowned embodiment; only be with the difference of above-described embodiment; the electrical heating wire 12 of refrigerant heater is fusible link; certainly; electrical heating wire 12 also can be arranged to wherein one section and be fusible link; arrange like this and all can guarantee heater 6 rapidly disconnection work under excessive temperature, the safety of protection heater 6.
Preferably, heater 6 also comprises and is connected on the power supply circuits temperature limiter 10 and the thermistor 14 that is used for control heater 6 temperature and prevents heater 6 excess Temperatures.Thermistor 14 is arranged near drawing on the position of cable port, and temperature limiter 10 and fuse-link 11 are arranged in the protection box 16 in the lump.In the situation that peripheral electronic circuit protection was lost efficacy, during heater 6 excess Temperature, temperature limiter 10 disconnecting circuits, restriction electrical heating work.Wherein, thermistor 14 directly is connected with external controllers, and when heater 6 internal temperatures raise temperature speed when higher at short notice, controller sends instruction cut-out circuit working, and heater 6 cuts out.Avoid excess Temperature in the first inner chamber of refrigerant outer tube 1, cause inner refrigerant the be heated too high chemometamorphism that causes or coking, blocking pipeline.
Preferably, have installing hole on the barrel of heat conducting sleeve 2, the insulated enclosure borehole jack 13 with through hole is installed in the installing hole, wire passes the outside that extends to heat conducting sleeve 2 from through hole.Setting makes wire can not directly contact with heat conducting sleeve 2 like this, has guaranteed that heat conducting sleeve 2 is non-conductive, has satisfied the basic insulation requirement.
Preferably, heat conducting sleeve 2 inwalls are provided with retainer ring 4, and retainer ring 4 has the endoporus adaptive with heater 6, and heater 6 is connected in the endoporus and with heat conducting sleeve 2 inwalls has the gap.All can contact with heat-conducting medium by the perisporium of retainer ring 4 with heater 6, increase heat-conducting area, increase heat transfer efficiency, wherein in the present embodiment, retainer ring 4 is made for ceramic material, can certainly adopt the good material of other heat conductivilitys, for example metal.
Preferably, heat-conducting medium 3 is heat conductive insulating oil.Heat conductive insulating oil both can heat conduction have non-conductive, make between the barrel of heater 6 and heat conducting sleeve 2 and can accomplish good superinsulation requirement, comprise that heater 6 satisfies insulating requirements, make the global design of refrigerant heater guarantee that electric property and safety satisfy the requirement of II electric appliances.Preferably, heat conducting sleeve 2 has hydraulic fluid port 7, and heat conducting sleeve 2 also is provided with the seal cover for sealing hydraulic fluid port 7.Heat conductive insulating oil in the heat conducting sleeve 2 can be changed, and seal cover makes heat conducting sleeve 2 can not cause the generation of the situation of leakage of oil.
In addition, the helical fin 18 of the refrigerant heater of present embodiment also has the effect of heating heat radiation, wherein, the waste heat energy of refrigerant heater passes to refrigerant outer tube 1 by helical fin 18 and is dispersed in the space, the waste heat of electrical heating heater 6 in time leaves, assurance causes the too high infringement that causes refrigerant of refrigerant outer tube 1 interior refrigerant temperature because the waste heat supply temperature of heater is too high, cause the change of refrigerant chemistry.
Such as Fig. 2, show the structural representation of the second embodiment of refrigerant heater of the present invention, the refrigerant heater of the second embodiment and the difference of the first embodiment only are, has the gap between the inwall of helical fin 18 and refrigerant outer tube 1, be adjacent to welding with the outer wall of heating part, the refrigerant heater of the second embodiment is identical with other structures of the refrigerant heater of the first embodiment, and technique effect is identical, no longer repeats herein.
The present invention also provides a kind of embodiment of air-conditioner, and the air-conditioner in the present embodiment comprises above-mentioned refrigerant heater.The air-conditioner defrosting efficiency of present embodiment is better.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. a refrigerant heater is characterized in that, comprising:
Refrigerant outer tube (1) has the first inner chamber, refrigerant import (5) and refrigerant exit (9);
The heating part is at least partially disposed in described the first inner chamber;
Helical fin (18) is set on the outer wall of described heating part,
Wherein, the outer wall of the inwall of described refrigerant outer tube (1), helical fin (18) and heating part forms the helical form refrigerant passage from described refrigerant import (5) to refrigerant exit (9) jointly.
2. refrigerant heater according to claim 1 is characterized in that, described heating part comprises:
Heat conducting sleeve (2) has the second inner chamber that holds the first heat conductive insulating medium;
Heater (6) is arranged in described the second inner chamber.
3. refrigerant heater according to claim 2 is characterized in that, described heater (6) comprising:
Housing has the 3rd inner chamber that holds the second heat conductive insulating medium;
Magnesia rod (17) is arranged in described the 3rd inner chamber;
Electrical heating wire (12) is coiled on the described magnesia rod (17), is connected with power supply by wire;
Binding post (8) is connected to form power supply circuits by wire and described electrical heating wire (12).
4. refrigerant heater according to claim 3 is characterized in that, described heater (6) also comprises and is connected on the described power supply circuits thermistor (14) that is used for preventing described heater (6) excess Temperature.
5. refrigerant heater according to claim 3 is characterized in that, described heater (6) also comprises and is connected on the described power supply circuits temperature limiter (10) that is used for preventing described heater (6) excess Temperature.
6. refrigerant heater according to claim 3 is characterized in that, described heater (6) also comprises and is connected on the described power supply circuits fuse-link (11) that is used for preventing described heater (6) excess Temperature.
7. refrigerant heater according to claim 6 is characterized in that, described fuse-link (11) is fusible link.
8. refrigerant heater according to claim 3 is characterized in that, described electrical heating wire (12) is fusible link.
9. refrigerant heater according to claim 3 is characterized in that, described electrical heating wire (12) is divided into multistage, is in series with fusible link between adjacent two sections.
10. refrigerant heater according to claim 3, it is characterized in that, has installing hole on the barrel of described heat conducting sleeve (2), insulated enclosure borehole jack (13) with through hole is installed in the described installing hole, and described wire passes the outside that extends to described heat conducting sleeve (2) from described through hole.
11. each described refrigerant heater in 10 is characterized in that described the second heat conductive insulating medium is magnesia powder according to claim 3.
12. each described refrigerant heater in 10 is characterized in that according to claim 2, described the first heat conductive insulating medium is heat conductive insulating oil.
13. refrigerant heater according to claim 2 is characterized in that, is provided with fixture on the barrel of described heat conducting sleeve (2), described fixture makes the outer wall of heat conducting sleeve (2) and the inwall in described the second inner chamber have the gap.
14. refrigerant heater according to claim 13, it is characterized in that, described fixture is retainer ring (4), described retainer ring (4) has the endoporus adaptive with described heater (6), and described heater (6) is connected in the described endoporus and with described heat conducting sleeve (2) inwall has the gap.
15. refrigerant heater according to claim 2, it is characterized in that, described heat conducting sleeve (2) has the first heat conductive insulating Filled Dielectrics mouth (7), and described heat conducting sleeve (2) also is provided with the seal cover of described the first heat conductive insulating Filled Dielectrics mouth (7) of sealing.
16. refrigerant heater according to claim 1 is characterized in that, described helical fin (18) is adjacent to the inwall of refrigerant outer tube (1) and is connected, and is adjacent to the outer wall of heating part and is connected.
17. an air-conditioner comprises the refrigerant heater, it is characterized in that, described refrigerant heater is each described refrigerant heater in the claim 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123511.3A CN103375958B (en) | 2012-04-24 | 2012-04-24 | Refrigerant heater and there is the air-conditioner of this refrigerant heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123511.3A CN103375958B (en) | 2012-04-24 | 2012-04-24 | Refrigerant heater and there is the air-conditioner of this refrigerant heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103375958A true CN103375958A (en) | 2013-10-30 |
| CN103375958B CN103375958B (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210123511.3A Active CN103375958B (en) | 2012-04-24 | 2012-04-24 | Refrigerant heater and there is the air-conditioner of this refrigerant heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103375958B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969562A (en) * | 2016-01-13 | 2017-07-21 | 珠海格力电器股份有限公司 | Oil eliminator and the air-conditioning system with it |
| CN108195051A (en) * | 2017-11-24 | 2018-06-22 | 珠海格力电器股份有限公司 | A kind of refrigerant heating unit and air conditioner |
| CN114480795A (en) * | 2021-12-09 | 2022-05-13 | 宝勋精密螺丝(浙江)有限公司 | Spheroidizing annealing device for screw wire |
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| CN1305078A (en) * | 2000-09-27 | 2001-07-25 | 金小泉 | Portable water heater |
| CN1687662A (en) * | 2005-05-11 | 2005-10-26 | 邵凯 | Heat conducting type electric water heater of using transformer oil |
| CN1916537A (en) * | 2005-08-19 | 2007-02-21 | 松下电器产业株式会社 | Heater |
| CN201314734Y (en) * | 2008-12-03 | 2009-09-23 | 广东美的电器股份有限公司 | Refrigerant electric heating device |
| CN202521982U (en) * | 2012-04-24 | 2012-11-07 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner having same |
-
2012
- 2012-04-24 CN CN201210123511.3A patent/CN103375958B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305078A (en) * | 2000-09-27 | 2001-07-25 | 金小泉 | Portable water heater |
| CN1687662A (en) * | 2005-05-11 | 2005-10-26 | 邵凯 | Heat conducting type electric water heater of using transformer oil |
| CN1916537A (en) * | 2005-08-19 | 2007-02-21 | 松下电器产业株式会社 | Heater |
| CN201314734Y (en) * | 2008-12-03 | 2009-09-23 | 广东美的电器股份有限公司 | Refrigerant electric heating device |
| CN202521982U (en) * | 2012-04-24 | 2012-11-07 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner having same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969562A (en) * | 2016-01-13 | 2017-07-21 | 珠海格力电器股份有限公司 | Oil eliminator and the air-conditioning system with it |
| CN108195051A (en) * | 2017-11-24 | 2018-06-22 | 珠海格力电器股份有限公司 | A kind of refrigerant heating unit and air conditioner |
| CN108195051B (en) * | 2017-11-24 | 2023-09-22 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner |
| CN114480795A (en) * | 2021-12-09 | 2022-05-13 | 宝勋精密螺丝(浙江)有限公司 | Spheroidizing annealing device for screw wire |
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| Publication number | Publication date |
|---|---|
| CN103375958B (en) | 2015-07-29 |
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