CN202521981U - Refrigerant heating device and air conditioner with same - Google Patents
Refrigerant heating device and air conditioner with same Download PDFInfo
- Publication number
- CN202521981U CN202521981U CN201220179168XU CN201220179168U CN202521981U CN 202521981 U CN202521981 U CN 202521981U CN 201220179168X U CN201220179168X U CN 201220179168XU CN 201220179168 U CN201220179168 U CN 201220179168U CN 202521981 U CN202521981 U CN 202521981U
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- China
- Prior art keywords
- refrigerant
- heater
- heat conduction
- conduction sleeve
- refrigerant heater
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Abstract
The utility model provides a refrigerant heating device and an air conditioner with the same, wherein the refrigerant heating device comprises a refrigerant outer pipe (1), a heat conducting sleeve (2) and a heating device (6), wherein the refrigerant outer pipe (1) is provided with a first inner cavity, a refrigerant inlet (5) and a refrigerant outlet (9); the heat conducting sleeve (2) is at least partially arranged in the first inner cavity, the heat conducting sleeve (2) is provided with a second inner cavity for accommodating a first heat conducting insulation medium; and the heating device (6) is arranged in the second inner cavity of the heat conducting sleeve (2). According to the utility model, the problem of low heating efficiency of the refrigerant heating device in the prior art is effectively solved.
Description
Technical field
The utility model 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 heat pump air conditioner in the winter time.When heat pump air conditioner was lower than 0 ℃ at outdoor environment temperature, in 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 defrost by extra heat.At present, generally adopt electric heater directly to heat the method for refrigerant, come to be converted into electric energy the heat energy of refrigerant through the refrigerant heater that is arranged on the pipeline, thereby increase the heat of unit output, improve the efficient and the efficiency of defrost.
Refrigerant heater of the prior art has the outer tube and the heater that is arranged in the outer tube of refrigerant circulation; When being blown into outer tube, refrigerant contacts with heater; Accomplish 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.
The utility model content
The utility model 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 the one side of the utility model, a kind of refrigerant heater is provided, comprising: the refrigerant outer tube has first inner chamber, refrigerant import and refrigerant exit; The heat conduction sleeve is at least partially disposed in first inner chamber, and the heat conduction sleeve has second inner chamber that holds the first heat conductive insulating medium; Heater is arranged in second inner chamber of heat conduction sleeve.
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 through lead; Binding post is connected to form power supply circuits through lead and electrical heating wire.
Further, the first heat conductive insulating medium is a heat conductive insulating oil.
Further, the second heat conductive insulating medium is a magnesia powder.
Further, heater also comprises being connected on and is used to the thermistor that prevents that the heater temperature is too high on the power supply circuits.
Further, heater also comprises being connected on and is used to the temperature limiter that prevents that the heater temperature is too high on the power supply circuits.
Further, heater also comprises being connected on and is used to the fuse-link that prevents that the heater temperature is too high on the power supply circuits.
Further, fuse-link is a fusible link.
Further, electrical heating wire is a fusible link.
Further, electrical heating wire is divided into multistage, every intersegmental series connection fusible link.
Further, have installing hole on the barrel of heat conduction sleeve, the insulated enclosure borehole jack with through hole is installed in the installing hole, lead passes the outside that extends to the heat conduction sleeve from through hole.
Further, the barrel of heat conduction sleeve is provided with fixture, and fixture makes the outer wall of heat conduction sleeve and the inwall in second inner chamber have the gap.
Further, fixture is a retainer ring, and retainer ring has the endoporus adaptive with heater, and heater is connected in the endoporus.
Further, the heat conduction sleeve has the first heat conductive insulating medium and fills mouth, and the heat conduction sleeve also is provided with the seal cover that the sealing first heat conductive insulating medium is filled mouth.
According to the utility model on the other hand, a kind of air-conditioner is provided, has comprised above-mentioned refrigerant heater.
Use the technical scheme of the utility model, the refrigerant heater comprises: the refrigerant outer tube has first inner chamber, refrigerant import and refrigerant exit; The heat conduction sleeve is at least partially disposed in first inner chamber, and the heat conduction sleeve has second inner chamber that holds the first heat conductive insulating medium; Heater is arranged in second inner chamber of heat conduction sleeve.The refrigerant heater is in heating process, and the heater evolution of heat also is transmitted on the heat conduction sleeve through the first heat conductive insulating medium, and the heat conduction sleeve conducts to heat on the refrigerant that gets into from the refrigerant import again, thereby has accomplished the heating to refrigerant.Only directly contact with heater with respect to refrigerant in the prior art, heat conduction sleeve and refrigerant contact area are bigger, and conduction surface is big, thereby has improved the efficiency of heating surface of refrigerant heater.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of embodiment of the refrigerant heater of the utility model.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
As shown in Figure 1; The refrigerant heater of present embodiment comprises refrigerant outer tube 1, heat conduction sleeve 2 and heater 6; Refrigerant outer tube 1 has first inner chamber, refrigerant import 5 and refrigerant exit 9, and wherein, refrigerant import 5 is provided with on the sidewall of refrigerant outer tube 1; Refrigerant exit 9 is arranged on the end wall of refrigerant outer tube 1; Heat conduction sleeve 2 is at least partially disposed in first inner chamber, and heat conduction sleeve 2 has second inner chamber that holds the first heat conductive insulating medium 3, and heater 6 is arranged in second inner chamber of heat conduction sleeve 2.
The refrigerant heater of present embodiment is in heating process; Heater 6 evolutions of heat also are transmitted on the heat conduction sleeve 2 through the first heat conductive insulating medium 3; Heat conduction sleeve 2 conducts to heat from the refrigerant of refrigerant import 5 entering again, thereby has accomplished the heating to refrigerant.Only directly contact with heater with respect to refrigerant in the prior art, heat conduction sleeve 2 is bigger with the refrigerant contact area, and conduction surface is big, thereby has improved the efficiency of heating surface of refrigerant heater.
Preferably; Heater 6 comprises housing, magnesia rod 17, electrical heating wire 12 and binding post 8; Housing holds the second heat conductive insulating medium and has the 3rd inner chamber, and magnesia rod 17 is arranged in the 3rd inner chamber, and electrical heating wire 12 is coiled on the magnesia rod 17; Be connected with power supply through lead, binding post 8 is connected with power supply and is connected to form power supply circuits through lead 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.The second dielectric present embodiment is selected magnesia powder for use; Also according to specific requirement select other for use not only can heat conduction but also the material that can insulate; Be filled with magnesia powder 15 in the 3rd inner chamber; Be provided with like this magnesia powder 15 that passes through that the heat that produces through electrical heating wire 12 can be very fast is conducted in the heat conduction sleeve 2, improved the efficiency of heating surface effectively.Simultaneously, the outer wall satisfying basic insulation or the superinsulation requirement of electrical heating wire 12 and heater 6.
Preferably, heater 6 comprises that also being connected on being used on the power supply circuits prevents the overheated fuse-link of electrical heating wire 11.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 for use.In that being set on the power supply circuits, fuse-link 11 can guarantee that heater 6 breaks off 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 the foregoing description; The electrical heating wire 12 of refrigerant heater is a fusible link, and certainly, electrical heating wire 12 also can be arranged to wherein one section and be fusible link; Be provided with like this and all can guarantee heater 6 rapid disconnection work under excessive temperature, the safety of protection heater 6.
Preferably, heater 6 also comprises and is connected on the temperature limiter 10 and thermistor 14 that is used to control heater 6 temperature on the power supply circuits.Thermistor 14 is arranged near on the position of drawing cable port, and temperature limiter 10 is arranged in the protection box 16 with fuse-link 11 in the lump.Under the situation that peripheral electronic circuit protection was lost efficacy, when heater 6 temperature are too high, temperature limiter 10 disconnecting circuits, restriction electrical heating work.Wherein, thermistor 14 directly is connected with external controller, and when heater 6 internal temperatures raise temperature speed when higher at short notice, controller sends instruction and cuts off circuit working, and heater 6 cuts out.Avoid in first inner chamber of refrigerant outer tube 1 temperature too high, cause inner refrigerant be heated too high chemometamorphism that causes or coking, blocking pipeline.Need to prove that thermistor 14, temperature limiter 10, fuse-link 11 all are the mixture cracking that is used for preventing heat conductive insulating oil and refrigerant, knot carbon.But thermistor 14 is internal temperature and surface temperatures of monitoring heater constantly, makes that heater temperature in operate as normal is unlikely too high, and detector tube surface temperature ascendant trend in case at a time temperature rise is bigger, is closed heater 6 rapidly.10 of temperature limiters are when breaking down, to break off, and these two all is recoverable.Fuse-link 11 then is last protection, generally when very serious fault takes place, just can break off (be start such as air-conditioning, but the refrigerant heater being in heating) and is expendable.Can also can severally together use only with one in thermistor 14, temperature limiter 10, the fuse-link 11, certainly, reinstate for three one, it is exactly to avoid managing the refrigerant of the too high feasible inside of temperature and the mixture cracking of oil is gone bad that multiple cooperation combines final purpose.
Preferably, have installing hole on the barrel of heat conduction sleeve 2, the insulated enclosure borehole jack 13 with through hole is installed in the installing hole, lead passes the outside that extends to heat conduction sleeve 2 from through hole.Setting makes lead can not directly contact with heat conduction sleeve 2 like this, has guaranteed that heat conduction sleeve 2 is non-conductive, has satisfied the basic insulation requirement.
Preferably, heat conduction 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 conduction sleeve 2 inwalls has the gap.All can contact through the perisporium of retainer ring 4, increase heat-conducting area, increase heat transfer efficiency with the first heat conductive insulating medium with heater 6; Wherein in the present embodiment; Retainer ring 4 is processed for ceramic material, can certainly adopt the good material of other heat conductivilitys, for example metal.
Preferably, the first heat conductive insulating medium 3 is a heat conductive insulating oil.Heat conductive insulating oil not only can heat conduction but also non-conductive; Make between the barrel of heater 6 and heat conduction sleeve 2 and can accomplish good superinsulation requirement; Comprise that heater 6 satisfies insulating requirements, make the global design of refrigerant heater guarantee electric property and the requirement of satisfying the II electric appliances safely.Preferably, heat conduction sleeve 2 has the first heat conductive insulating medium and fills mouth 7, and heat conduction sleeve 2 also is provided with the seal cover that the sealing first heat conductive insulating medium is filled mouth.Heat conductive insulating oil in the heat conduction sleeve 2 can be changed, and seal cover makes heat conduction sleeve 2 can not cause the generation of the situation of leakage of oil.
The utility model 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 preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (15)
1. a refrigerant heater is characterized in that, comprising:
Refrigerant outer tube (1) has first inner chamber, refrigerant import (5) and refrigerant exit (9);
Heat conduction sleeve (2) is at least partially disposed in said first inner chamber, and said heat conduction sleeve (2) has second inner chamber that holds the first heat conductive insulating medium;
Heater (6) is arranged in second inner chamber of said heat conduction sleeve (2).
2. refrigerant heater according to claim 1 is characterized in that, said heater (6) comprising:
Housing has the 3rd inner chamber that holds the second heat conductive insulating medium;
Magnesia rod (17) is arranged in said the 3rd inner chamber;
Electrical heating wire (12) is coiled on the said magnesia rod (17), is connected with power supply through lead;
Binding post (8) is connected to form power supply circuits through lead and said electrical heating wire (12).
3. refrigerant heater according to claim 1 is characterized in that, the said first heat conductive insulating medium is a heat conductive insulating oil.
4. refrigerant heater according to claim 2 is characterized in that, the said second heat conductive insulating medium is a magnesia powder.
5. refrigerant heater according to claim 2 is characterized in that, said heater (6) also comprises being connected on and is used to the thermistor (14) that prevents that said heater temperature is too high on the said power supply circuits.
6. refrigerant heater according to claim 2 is characterized in that, said heater (6) also comprises being connected on and is used to the temperature limiter (10) that prevents that said heater temperature is too high on the said power supply circuits.
7. refrigerant heater according to claim 2 is characterized in that, said heater (6) also comprises being connected on and is used to the fuse-link (11) that prevents that said heater temperature is too high on the said power supply circuits.
8. refrigerant heater according to claim 7 is characterized in that, said fuse-link (11) is a fusible link.
9. refrigerant heater according to claim 2 is characterized in that, said electrical heating wire (12) is a fusible link.
10. refrigerant heater according to claim 2 is characterized in that, said electrical heating wire (12) is divided into multistage, every intersegmental series connection fusible link.
11. refrigerant heater according to claim 2; It is characterized in that; Have installing hole on the barrel of said heat conduction sleeve (2), the insulated enclosure borehole jack (13) with through hole is installed in the said installing hole, said lead passes the outside that extends to said heat conduction sleeve (2) from said through hole.
12. refrigerant heater according to claim 1 is characterized in that, the barrel of said heat conduction sleeve (2) is provided with fixture, and said fixture makes the outer wall of heat conduction sleeve (2) and the inwall in said second inner chamber have the gap.
13. refrigerant heater according to claim 12 is characterized in that, said fixture is retainer ring (4), and said retainer ring (4) has and the adaptive endoporus of said heater (6), and said heater (6) is connected in the said endoporus.
14. refrigerant heater according to claim 1 is characterized in that, said heat conduction sleeve (2) has the first heat conductive insulating medium and fills mouthful (7), and said heat conduction sleeve (2) also is provided with the seal cover that the said first heat conductive insulating medium of sealing is filled mouthful (7).
15. an air-conditioner comprises the refrigerant heater, it is characterized in that, said refrigerant heater is each described refrigerant heater in the claim 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220179168XU CN202521981U (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 |
|---|---|---|---|
| CN201220179168XU CN202521981U (en) | 2012-04-24 | 2012-04-24 | Refrigerant heating device and air conditioner with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202521981U true CN202521981U (en) | 2012-11-07 |
Family
ID=47104926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220179168XU Expired - Lifetime CN202521981U (en) | 2012-04-24 | 2012-04-24 | Refrigerant heating device and air conditioner with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202521981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375957A (en) * | 2012-04-24 | 2013-10-30 | 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 CN201220179168XU patent/CN202521981U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375957A (en) * | 2012-04-24 | 2013-10-30 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
|
| CX01 | Expiry of patent term |