CN107906793A - Heat exchanger and temperature-adjusting device - Google Patents
Heat exchanger and temperature-adjusting device Download PDFInfo
- Publication number
- CN107906793A CN107906793A CN201711240181.5A CN201711240181A CN107906793A CN 107906793 A CN107906793 A CN 107906793A CN 201711240181 A CN201711240181 A CN 201711240181A CN 107906793 A CN107906793 A CN 107906793A
- Authority
- CN
- China
- Prior art keywords
- heat
- heat exchanger
- fin
- conducting coating
- refrigerant pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000011248 coating agent Substances 0.000 claims abstract description 41
- 238000000576 coating method Methods 0.000 claims abstract description 41
- 239000003507 refrigerant Substances 0.000 claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 241000209094 Oryza Species 0.000 claims 2
- 235000007164 Oryza sativa Nutrition 0.000 claims 2
- 235000009566 rice Nutrition 0.000 claims 2
- 239000002105 nanoparticle Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention proposes a kind of heat exchanger and temperature-adjusting device, the heat exchanger includes refrigerant pipe and fin, the fin is multiple, multiple fins are sheathed on the outside of the refrigerant pipe, the heat exchanger includes heat conducting coating, the heat-conducting layer is applied arranged on the side of the fin or opposite sides, and the thermal conductivity factor of the heat conducting coating is more than the thermal conductivity factor of the fin, and the temperature-adjusting device includes foregoing heat exchanger；Heat exchanger of the present invention, it in the side of fin or opposite sides surface by being coated with heat conducting coating, and the thermal conductivity factor of the heat conducting coating is more than the thermal conductivity factor of the fin, so as to improve the coefficient of heat transfer between the fin and lateral media, has higher heat exchange efficiency；The temperature-adjusting device is provided with foregoing heat exchanger, has higher energy efficiency coefficient.
Description
Technical field
The invention belongs to technical field of heat exchangers, more particularly to a kind of heat exchanger and temperature-adjusting device.
Background technology
As what China's green energy conservation and energy-saving and emission-reduction worked deepens continuously, the Energy Efficiency Standard of air conditioner also constantly carries therewith
Height, improving the energy efficiency coefficient of air conditioner becomes the important process of those skilled in the art.The refrigeration system of air conditioner mainly includes
Compressor, throttling arrangement, outdoor heat exchanger and indoor heat exchanger, indoor heat exchanger and outdoor heat exchanger be referred to as heat exchanger and
It is the important component of air-conditioner refrigerating system, an important factor for heat exchange efficiency of heat exchanger is also energy efficiency of air conditioner coefficient.
Referring to Fig. 1, the heat exchanger used in air conditioner is mainly fin-tube type heat exchanger, and fin-tube type heat exchanger includes copper 11 and more
A aluminum fin 12 (aluminium foil), aluminum fin 12 are sheathed on the outside of the copper pipe 11 side by side, thus increase the copper pipe 11 with
Heat exchange area between air, and then improve the heat exchange area of heat exchanger.The heat exchanged thermoresistance for influencing fin-tube type heat exchanger is mainly wrapped
Include three：Heat transfer outside a tube thermal resistance (i.e. copper pipe and air side heat exchanged thermoresistance, also referred to as air side heat exchanged thermoresistance), copper pipe thermal conduction resistance
With intraductal heat exchange thermal resistance (i.e. copper pipe with refrigerant heat exchanged thermoresistance), wherein, the resistance value of heat transfer outside a tube thermal resistance is maximum in three, because
This, the energy efficiency coefficient for reducing heat exchange efficiency and air conditioner of the heat transfer outside a tube thermal resistance for improving heat exchanger has remarkable result.
At present, the mode for reducing heat transfer outside a tube thermal resistance mainly has：Reduce spacing of fin, change fin shape etc., but by
Be aluminium in the material of fin, the thermal conductivity factor of aluminium is smaller, only by varying spacing of fin or change fin shape mode, no
Heat transfer outside a tube thermal resistance can effectively be reduced and improve the heat exchange efficiency of heat exchanger.
The content of the invention
The present invention is directed to above-mentioned technical problem, proposes a kind of heat exchanger, has higher heat exchange efficiency；The present invention is into one
Step proposes a kind of temperature-adjusting device, is provided with foregoing heat exchanger, has higher energy efficiency coefficient.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of heat exchanger, including refrigerant pipe and fin, the fin are multiple, and multiple fins are sheathed on the refrigerant
The outside of pipe, the heat exchanger include heat conducting coating, and the heat-conducting layer is applied arranged on the side of the fin or opposite sides, described
The thermal conductivity factor of heat conducting coating is more than the thermal conductivity factor of the fin.
Led preferably, the heat conducting coating is applied arranged on the outside and/or inner side of the refrigerant pipe, the heat conducting coating
Hot coefficient is more than the thermal conductivity factor of the refrigerant pipe.
Preferably, the refrigerant pipe is copper pipe or aluminum pipe.
Preferably, the heat-conducting layer is graphene heat conducting coating and/or nano-sized carbon heat conducting coating.
Preferably, the material of the fin is aluminium.
Preferably, the heat-conducting layer is graphene heat conducting coating and/or nano-sized carbon heat conducting coating.
Preferably, the inner surface of the refrigerant pipe is provided with internal thread.
A kind of temperature-adjusting device, including foregoing heat exchanger.
Compared with prior art, the advantages and positive effects of the present invention are：
1st, heat exchanger of the present invention, its by being coated with heat conducting coating in the side of fin or opposite sides surface, and
The thermal conductivity factor of the heat conducting coating is more than the thermal conductivity factor of the fin, so as to improve between the fin and lateral media
The coefficient of heat transfer, and then improve the heat exchange efficiency of the heat exchanger.
Brief description of the drawings
Fig. 1 is the partial structural diagram of heat exchanger in the prior art；
Fig. 2 is a kind of partial structural diagram of heat exchanger of the present invention；
Fig. 3 is enlarged drawing at A in Fig. 2.
Above in each figure：
11st, copper pipe；12nd, aluminum fin；
21st, refrigerant pipe；22nd, heat conducting coating；23rd, fin；24th, internal thread.
Embodiment
In the following, the present invention is specifically described by exemplary embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the present invention, it is necessary to explanation, term " interior ", " outer ", " on ",
" under ", the orientation of the instruction such as "front", "rear" or position relationship be based on position relationship shown in the drawings, merely to
Easy to describe the present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
As shown in Figure 2 and Figure 3, the present invention proposes a kind of heat exchanger, between the medium different for two kinds or different temperatures
Same media between heat-shift, the heat exchanger includes an at least refrigerant pipe 21, is arranged with the refrigerant pipe 21 more
A fin 23, multiple fins 23 spread configuration on the refrigerant pipe 21.The circulating inside of the refrigerant pipe 21 has inner side
Medium, the outside circulation of the refrigerant pipe 21 have lateral media, and the fin can expand the refrigerant pipe 21 and lateral media
Between heat exchange area.The inner side medium and lateral media can be that same media can also be different medium, when described interior
When temperature between side medium and lateral media is different, the refrigerant pipe can be passed through between the inner side medium and lateral media
Heat is transmitted with fin, is exchanged heat so as to fulfill between the inner side medium and lateral media.The heat exchanger further comprises
Heat conducting coating 22, the heat conducting coating 22 are applied arranged on the side side or opposite sides side of the fin 23, the heat conduction
The thermal conductivity factor of coating 22 is more than the thermal conductivity factor of the fin 23, so as to reduce between the lateral media and fin 23
Heat exchanged thermoresistance, that is, improve the coefficient of heat transfer between the fin 23 and lateral media, so as to be conducive to improve the heat exchanger
The coefficient of heat transfer.
Heat exchanger of the present invention, it in the side of the fin 23 or opposite sides surface by being coated with heat conducting coating
22, and the thermal conductivity factor of the heat conducting coating 22 be more than the fin 23 thermal conductivity factor so that improve the fin 23 with
The coefficient of heat transfer between lateral media, and then improve the heat exchange efficiency of the heat exchanger.
Further, in order to further improve the coefficient of heat transfer of the heat exchanger, the heat conducting coating 22 is further coated with
In the outer surface and/or inner surface of the refrigerant pipe 21, and the thermal conductivity factor of the heat conducting coating 22 is more than described cold
The thermal conductivity factor of matchmaker's pipe 21, when the heat conducting coating 22 is applied arranged on the outer surface of the refrigerant pipe 21, can reduce described
The coefficient of heat transfer between heat exchanged thermoresistance and the raising refrigerant pipe 21 and lateral media between refrigerant pipe 21 and lateral media, when
When the heat conducting coating 22 is applied arranged on the inner surface of the refrigerant pipe 21, can reduce the refrigerant pipe 21 and inner side medium it
Between heat exchanged thermoresistance and improve the coefficient of heat transfer before the refrigerant pipe 21 and inner side medium, so as to further improve the refrigerant
The coefficient of heat transfer between pipe 21 and lateral media.
Preferably, the material of the fin 23 is aluminium, the heat conducting coating 22 is graphene heat conducting coating and/or nanometer
Carbon heat conducting coating, since the thermal conductivity factor of the graphene and/or nano-sized carbon is noticeably greater than the fin 23 that material is aluminium
Thermal conductivity factor, therefore, can after being coated with the heat conducting coating 22 in a side surface of the fin 23 or opposite sides surface
The coefficient of heat transfer between the fin 23 and the lateral media is significantly improved, and then improves the heat exchange efficiency of the heat exchanger.
Preferably, the refrigerant pipe 21 is copper pipe or aluminum pipe, the heat conducting coating 22 for graphene heat conducting coating and/
Or nano-sized carbon heat conducting coating, since the thermal conductivity factor of the graphene and/or nano-sized carbon is noticeably greater than the copper pipe or aluminum pipe
Thermal conductivity factor, therefore, can after the outer surface and/or inner surface of the refrigerant pipe 21 are coated with the heat conducting coating 22
The coefficient of heat transfer between the refrigerant pipe 21 and the inner side medium and/or inner side medium is significantly improved, and then is changed described in raising
The heat exchange efficiency of hot device.
Further, in order to further improve the heat exchange amount between the refrigerant pipe 21 and inner side medium, the refrigerant pipe
21 inner surface is provided with internal thread 24, to improve the heat exchange area between the refrigerant pipe 21 and inner side medium, Jin Erti
High heat exchange amount between the refrigerant pipe 21 and inner side medium, and then improve the heat exchange efficiency of the heat exchanger.
Referring to Fig. 2 and Fig. 3, in one embodiment of the invention, the heat conducting coating 22 applies and is arranged on the refrigerant pipe 21
Outer surface and the fin 23 two opposite flanks, to improve the heat exchange between the refrigerant pipe 21 and lateral media
Coefficient.
Present invention further propose that a kind of temperature-adjusting device, for adjust the temperature-adjusting device local environment or
Temperature in space, the temperature-adjusting device include but is not limited to the electronics of the temperature-adjustables such as air conditioner, refrigerator, refrigerator
Equipment, temperature-adjusting device of the present invention are provided with foregoing heat exchanger, have higher heat exchange efficiency and energy efficiency coefficient,
This is not described further in detail.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical solutions for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical solution that the technical characteristic of energy is replaced mutually and formed.
Claims (8)
1. a kind of heat exchanger, including refrigerant pipe and fin, the fin is multiple, and multiple fins are sheathed on the refrigerant pipe
Outside, it is characterised in that：The heat exchanger includes heat conducting coating, and the heat-conducting layer is applied arranged on the side of the fin or opposite
Both sides, the thermal conductivity factor of the heat conducting coating are more than the thermal conductivity factor of the fin.
2. heat exchanger according to claim 1, it is characterised in that：The heat conducting coating is applied arranged on the outside of the refrigerant pipe
And/or inner side, the thermal conductivity factor of the heat conducting coating are more than the thermal conductivity factor of the refrigerant pipe.
3. heat exchanger according to claim 1 or 2, it is characterised in that：The refrigerant pipe is copper pipe or aluminum pipe.
4. heat exchanger according to claim 3, it is characterised in that：The heat-conducting layer is graphene heat conducting coating and/or receives
Rice carbon heat conducting coating.
5. heat exchanger according to claim 1 or 2, it is characterised in that：The material of the fin is aluminium.
6. heat exchanger according to claim 5, it is characterised in that：The heat-conducting layer is graphene heat conducting coating and/or receives
Rice carbon heat conducting coating.
7. heat exchanger according to claim 3, it is characterised in that：The inner surface of the refrigerant pipe is provided with internal thread.
A kind of 8. temperature-adjusting device, it is characterised in that：Including such as claim 1-7 any one of them heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240181.5A CN107906793A (en) | 2017-11-30 | 2017-11-30 | Heat exchanger and temperature-adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240181.5A CN107906793A (en) | 2017-11-30 | 2017-11-30 | Heat exchanger and temperature-adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107906793A true CN107906793A (en) | 2018-04-13 |
Family
ID=61849345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711240181.5A Withdrawn CN107906793A (en) | 2017-11-30 | 2017-11-30 | Heat exchanger and temperature-adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107906793A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345642A (en) * | 2019-07-03 | 2019-10-18 | 宁波方太厨具有限公司 | Condensing heat exchanger and its manufacturing method, gas heater |
| CN110873538A (en) * | 2018-09-01 | 2020-03-10 | 广西大学 | Graphene reinforced heat exchange type automobile engine finned tube radiator |
| CN111473072A (en) * | 2020-04-15 | 2020-07-31 | 山东天久高科新材料有限公司 | Quick heat dissipation motor vehicle brake disc |
| CN111595192A (en) * | 2020-05-25 | 2020-08-28 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioner |
| CN115751706A (en) * | 2022-11-15 | 2023-03-07 | 安徽安创电子有限公司 | Integrated heat pump heater with built-in heating pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555311A (en) * | 2010-12-28 | 2012-07-11 | 常州碳元科技发展有限公司 | Interactive fin structure type high heat dissipation membrane and manufacturing method thereof |
| CN203489767U (en) * | 2013-08-26 | 2014-03-19 | 台山市金桥铝型材厂有限公司 | Aluminum heat exchange tube |
| JP2016099101A (en) * | 2014-11-26 | 2016-05-30 | 三菱アルミニウム株式会社 | Heat exchanger, and method of manufacturing the same |
| CN205878959U (en) * | 2016-10-13 | 2017-01-11 | 山东成泰化工有限公司 | P xylene system standby cooling device |
| CN205897906U (en) * | 2016-07-08 | 2017-01-18 | 广州市耀华电器有限公司 | Heat exchanger of high heat dissipating ability |
| CN106813521A (en) * | 2017-03-20 | 2017-06-09 | 北京化工大学 | Graphene curved surface conducts heat exchanger |
| CN107343374A (en) * | 2016-04-29 | 2017-11-10 | 徐海波 | Radiator that a kind of graphene heat conducting coating is modified and preparation method thereof |
-
2017
- 2017-11-30 CN CN201711240181.5A patent/CN107906793A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555311A (en) * | 2010-12-28 | 2012-07-11 | 常州碳元科技发展有限公司 | Interactive fin structure type high heat dissipation membrane and manufacturing method thereof |
| CN203489767U (en) * | 2013-08-26 | 2014-03-19 | 台山市金桥铝型材厂有限公司 | Aluminum heat exchange tube |
| JP2016099101A (en) * | 2014-11-26 | 2016-05-30 | 三菱アルミニウム株式会社 | Heat exchanger, and method of manufacturing the same |
| CN107343374A (en) * | 2016-04-29 | 2017-11-10 | 徐海波 | Radiator that a kind of graphene heat conducting coating is modified and preparation method thereof |
| CN205897906U (en) * | 2016-07-08 | 2017-01-18 | 广州市耀华电器有限公司 | Heat exchanger of high heat dissipating ability |
| CN205878959U (en) * | 2016-10-13 | 2017-01-11 | 山东成泰化工有限公司 | P xylene system standby cooling device |
| CN106813521A (en) * | 2017-03-20 | 2017-06-09 | 北京化工大学 | Graphene curved surface conducts heat exchanger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873538A (en) * | 2018-09-01 | 2020-03-10 | 广西大学 | Graphene reinforced heat exchange type automobile engine finned tube radiator |
| CN110345642A (en) * | 2019-07-03 | 2019-10-18 | 宁波方太厨具有限公司 | Condensing heat exchanger and its manufacturing method, gas heater |
| CN111473072A (en) * | 2020-04-15 | 2020-07-31 | 山东天久高科新材料有限公司 | Quick heat dissipation motor vehicle brake disc |
| CN111595192A (en) * | 2020-05-25 | 2020-08-28 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioner |
| CN115751706A (en) * | 2022-11-15 | 2023-03-07 | 安徽安创电子有限公司 | Integrated heat pump heater with built-in heating pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 266736 No. 151 Zhuzhou Road, Laoshan District, Qingdao City, Shandong Province Applicant after: Hisense (Shandong) Air-conditioning Co., Ltd. Address before: 266736 Hisense Road 1, South Village Town, Pingdu City, Qingdao, Shandong Applicant before: Hisense (Shandong) Air-conditioning Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180413 |
|
| WW01 | Invention patent application withdrawn after publication |