CN103375958B - Refrigerant heating device and air conditioner with same - Google Patents
Refrigerant heating device and air conditioner with same Download PDFInfo
- Publication number
- CN103375958B CN103375958B CN201210123511.3A CN201210123511A CN103375958B CN 103375958 B CN103375958 B CN 103375958B CN 201210123511 A CN201210123511 A CN 201210123511A CN 103375958 B CN103375958 B CN 103375958B
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- refrigerant
- heater
- conducting sleeve
- heat conducting
- inner chamber
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 122
- 238000010438 heat treatment Methods 0.000 title claims abstract description 53
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 24
- 239000000395 magnesium oxide Substances 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 11
- 230000004308 accommodation Effects 0.000 claims description 4
- 239000003989 dielectric material Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 239000002918 waste heat Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The invention provides a refrigerant heating device, comprising: the refrigerant outer tube (1) is provided with a first inner cavity, a refrigerant inlet (5) and a refrigerant outlet (9); a heating portion at least partially disposed within the first interior cavity; and the spiral fin (18) is sleeved on the outer wall of the heating part, wherein the inner wall of the refrigerant outer pipe (1), the spiral fin (18) and the outer wall of the heating part jointly form a spiral refrigerant channel from the refrigerant inlet (5) to the refrigerant outlet (9). The invention effectively solves the problem of low heating efficiency of the refrigerant heating device 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 the air-conditioner with this refrigerant heater.
Background technology
Frosting is the main cause threatening heat pump air conditioner in the winter time.Heat pump air conditioner is when outdoor environment temperature is lower than 0 DEG C, and within the limited defrost time, the quantity of heat given up depending merely on complete machine itself is not enough to the frost on evaporimeter to melt away, and therefore, needs to defrost by extra heat.At present, generally adopting electric heater directly to heat the method for refrigerant, is the heat energy of refrigerant by being arranged on refrigerant heater on pipeline electric energy conversion, thus increases the heat that unit exports, the efficiency of raising defrost and efficiency.
The outer tube that refrigerant heater of the prior art has refrigerant circulation and the heater arranged within the outer tube, when refrigerant is blown into outer tube and heater contacts, complete heating, but the heater of refrigerant the heater of the prior art and contact area of refrigerant is less, heat transfer area is less, thus the problem of the inefficiency causing refrigerant to heat.
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 problem of refrigerant heating devices heat inefficiency in prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of refrigerant heater, comprising: refrigerant outer tube, there is the first inner chamber, refrigerant import and refrigerant exit; 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 refrigerant import to refrigerant exit jointly.
Further, heating part comprises: heat conducting sleeve, has the second inner chamber of accommodation first heat conductive insulating medium; Heater, is arranged in the second inner chamber.
Further, heater comprises: housing, has the 3rd inner chamber of accommodation second heat conductive insulating medium; Magnesia rod, is arranged in the 3rd inner chamber; Electrical heating wire, is coiled in magnesia rod, is connected by wire with power supply; Binding post, is connected to form power supply circuits by wire and electrical heating wire.
Further, heater also comprises the thermistor be connected on for preventing heater temperature too high on power supply circuits.
Further, heater also comprises the temperature limiter be connected on for preventing heater temperature too high on power supply circuits.
Further, heater also comprises the fuse-link be connected on for preventing heater temperature too high on power supply circuits.
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, the barrel of heat conducting sleeve has installing hole, be provided with the insulated enclosure borehole jack with through hole in installing hole, wire passes the outside extending 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, the barrel of heat conducting sleeve is provided with fixture, fixture makes the inwall in the outer wall of heat conducting sleeve and the second inner chamber have gap.
Further, fixture is retainer ring, and retainer ring has the endoporus with heater adaptation, and heater to be connected in endoporus and to have gap with heat conducting sleeve inwall.
Further, heat conducting sleeve has the first heat conductive insulating Filled Dielectrics mouth, and heat conducting sleeve is also provided with the seal cover of sealing 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, comprise above-mentioned refrigerant heater.
Apply technical scheme of the present invention, refrigerant heater, comprising: refrigerant outer tube, has the first inner chamber, refrigerant import and refrigerant exit; 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 refrigerant import to refrigerant exit jointly.After refrigerant heater increases helical fin, after refrigerant enters refrigerant outer tube by refrigerant import, flow along helical form refrigerant passage, contact with heating part simultaneously, which increase the operation length of refrigerant, add heat exchange area, abundant heat exchange when ensureing that refrigerant flows in refrigerant outer tube 1, thus improve the efficiency of heating surface of refrigerant heater, also avoid refrigerant simultaneously and to be heated uneven problem.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation 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.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
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, 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 the inwall of refrigerant outer tube 1 and welds, and be adjacent to the outer wall of heating part and weld, the inwall of refrigerant outer tube 1, the outer wall of helical fin 18 and heating part forms the helical form refrigerant passage from refrigerant import 5 to refrigerant exit 9 jointly.
After the refrigerant heater increase helical fin 18 of the first embodiment, after refrigerant enters refrigerant outer tube 1 by refrigerant import 5, flow along helical form refrigerant passage, contact with heating part simultaneously, which increase the operation length of refrigerant, add heat exchange area, abundant heat exchange when ensureing that refrigerant flows in refrigerant outer tube 1, thus improve the efficiency of heating surface of refrigerant heater, also avoid refrigerant simultaneously and to be heated uneven problem.
Preferably, heating part comprises heat conducting sleeve 2 and heater 6, and heat conducting sleeve 2 has the second inner chamber holding 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 in 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, magnesia powder 15 is filled with in the 3rd inner chamber.The heat that such setting makes to be produced by electrical heating wire 12 can be very fast conducted in heat conducting sleeve 2 by magnesia powder 15, effectively improve the efficiency of heating surface.Meanwhile, the outer wall satisfying basic insulation of electrical heating wire 12 and heater 6 or superinsulation requirement.
Preferably, heater 6 also comprises the fuse-link 11 be connected on for preventing heater temperature too high on power supply circuits.In most preferred embodiment, fuse-link 11 adopts fusible link, and those skilled in the art also can learn, fuse-link 11 can also select the fuse-link of other similar fusible links.Power supply circuits arrange fuse-link 11 and can ensure that heater 6 disconnects rapidly heater 6 at an excessive temperature and works, the safety of protection heater 6.In the unshowned embodiment of one; 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 for fusible link; arrange like this and all can ensure that heater 6 disconnects work rapidly at an excessive temperature, the safety of protection heater 6.
Preferably, heater 6 also comprises and being connected on power supply circuits for controlling heater 6 temperature and the temperature limiter 10 preventing heater 6 temperature too high and thermistor 14.Thermistor 14 is arranged on the position of drawing cable port, and temperature limiter 10 and fuse-link 11 are arranged in protection box 16 in the lump.When peripheral electronic circuit shielding failure, when heater 6 temperature is too high, temperature limiter 10 disconnecting circuit, restriction electrical heating work.Wherein, thermistor 14 is directly connected with external controller, and when raised temperature speed is higher at short notice for heater 6 internal temperature, controller sends instruction and cuts off circuit working, and heater 6 cuts out.Avoid temperature in the first inner chamber of refrigerant outer tube 1 too high, cause inner refrigerant to be heated the too high chemometamorphism that causes or coking, blocking pipeline.
Preferably, the barrel of heat conducting sleeve 2 has installing hole, be provided with the insulated enclosure borehole jack 13 with through hole in installing hole, wire passes the outside extending to heat conducting sleeve 2 from through hole.Such setting makes wire can not directly contact with heat conducting sleeve 2, ensure that heat conducting sleeve 2 is non-conductive, meets basic insulation requirement.
Preferably, heat conducting sleeve 2 inwall is provided with retainer ring 4, and retainer ring 4 has the endoporus with heater 6 adaptation, and heater 6 to be connected in endoporus and to have gap with heat conducting sleeve 2 inwall.By retainer ring 4, the perisporium of heater 6 all can be contacted with heat-conducting medium, add heat-conducting area, add heat transfer efficiency, wherein in the present embodiment, retainer ring 4 is made for ceramic material, can certainly adopt the material that other heat conductivilitys are good, such as 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, to accomplish good superinsulation requirement, comprise heater 6 and meet insulating requirements, the global design of refrigerant heater be ensure that, and electric property and safety meet the requirement of II electric appliances.Preferably, heat conducting sleeve 2 has hydraulic fluid port 7, and heat conducting sleeve 2 is also provided with the seal cover for sealing hydraulic fluid port 7.Heat conductive insulating oil in heat conducting sleeve 2 can be changed, and seal cover makes heat conducting sleeve 2 can not cause the generation of Lou oil condition.
In addition, the helical fin 18 of the refrigerant heater of the 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 space, leave the waste heat of electrical heating heater 6 in time, ensure to cause the too high infringement caused refrigerant of refrigerant temperature in refrigerant outer tube 1 because the waste heat supply temperature of heater is too high, cause refrigerant chemically to become.
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 are only, between the inwall of helical fin 18 and refrigerant outer tube 1, there is gap, be adjacent to the outer wall of heating part and weld, 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.
Present invention also offers a kind of embodiment of air-conditioner, the air-conditioner in the present embodiment comprises above-mentioned refrigerant heater.The air-conditioner defrosting efficiency of the present embodiment is better.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, 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 amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
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);
Heating part, is at least partially disposed in described first inner chamber; Described heating part comprises:
Heat conducting sleeve (2), has the second inner chamber of accommodation first heat conductive insulating medium;
Heater (6), is arranged in described second 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,
The barrel of described heat conducting sleeve (2) is provided with fixture, and described fixture makes the inwall in the outer wall of heat conducting sleeve (2) and described second inner chamber have gap.
2. refrigerant heater according to claim 1, is characterized in that, described heater (6) comprising:
Housing, has the 3rd inner chamber of accommodation second heat conductive insulating medium;
Magnesia rod (17), is arranged in described 3rd inner chamber;
Electrical heating wire (12), is coiled in described magnesia rod (17), is connected by wire with power supply;
Binding post (8), is connected to form power supply circuits by wire and described electrical heating wire (12).
3. refrigerant heater according to claim 2, it is characterized in that, described heater (6) also comprises the thermistor (14) be connected on for preventing described heater (6) temperature too high on described power supply circuits.
4. refrigerant heater according to claim 2, is characterized in that, described heater (6) also comprises the temperature limiter (10) be connected on for preventing described heater (6) temperature too high on described power supply circuits.
5. refrigerant heater according to claim 2, is characterized in that, described heater (6) also comprises the fuse-link (11) be connected on for preventing described heater (6) temperature too high on described power supply circuits.
6. refrigerant heater according to claim 5, is characterized in that, described fuse-link (11) is fusible link.
7. refrigerant heater according to claim 2, is characterized in that, described electrical heating wire (12) is fusible link.
8. refrigerant heater according to claim 2, is characterized in that, described electrical heating wire (12) is divided into multistage, is in series with fusible link between adjacent two sections.
9. refrigerant heater according to claim 2, it is characterized in that, the barrel of described heat conducting sleeve (2) has installing hole, be provided with the insulated enclosure borehole jack (13) with through hole in described installing hole, described wire passes the outside extending to described heat conducting sleeve (2) from described through hole.
10. the refrigerant heater according to any one of claim 2 to 9, is characterized in that, described second heat conductive insulating medium is magnesia powder.
11. refrigerant heaters according to any one of claim 1 to 9, is characterized in that, described first heat conductive insulating medium is heat conductive insulating oil.
12. refrigerant heaters according to claim 11, 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) to be connected in described endoporus and to have gap with described heat conducting sleeve (2) inwall.
13. refrigerant heaters according to claim 1, 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) is also provided with the seal cover sealing described first heat conductive insulating Filled Dielectrics mouth (7).
14. refrigerant heaters 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 are adjacent to the outer wall of heating part and are connected.
15. 1 kinds of air-conditioners, comprise refrigerant heater, it is characterized in that, the refrigerant heater of described refrigerant heater according to any one of claim 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123511.3A CN103375958B (en) | 2012-04-24 | 2012-04-24 | Refrigerant heating device and air conditioner with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123511.3A CN103375958B (en) | 2012-04-24 | 2012-04-24 | Refrigerant heating device and air conditioner with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103375958A CN103375958A (en) | 2013-10-30 |
| CN103375958B true 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 heating device and air conditioner with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103375958B (en) |
Families Citing this family (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 separator and air conditioning system with same |
| 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 |
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 with 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 with same |
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| Publication number | Publication date |
|---|---|
| CN103375958A (en) | 2013-10-30 |
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