CN104949396A - Finned type heat exchanger - Google Patents
Finned type heat exchanger Download PDFInfo
- Publication number
- CN104949396A CN104949396A CN201510305023.8A CN201510305023A CN104949396A CN 104949396 A CN104949396 A CN 104949396A CN 201510305023 A CN201510305023 A CN 201510305023A CN 104949396 A CN104949396 A CN 104949396A
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- CN
- China
- Prior art keywords
- refrigerant pipe
- heat exchanger
- groove
- type heat
- fin
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- 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.)
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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
- 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
- F25B2339/00—Details of evaporators; Details of condensers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a finned type heat exchanger. The finned type heat exchanger comprises a refrigerant pipe group and a fin group, wherein the refrigerant pipe group includes multiple refrigerant pipes arranged from top to bottom at intervals, the refrigerant pipes are sequentially communicated end to end, and the communicated ends of every two adjacent refrigerant pipes are respectively screwed into two ends of a semi-circular connecting pipe, so that the refrigerant pipe group is communicated with multiple connecting pipes to form flowing paths of a refrigerant in the refrigerant pipe group. Multiple first spiral grooves which are not in contact with each other are formed in the inner walls of the refrigerant pipes. The fin group includes multiple fins and is provided with multiple through holes penetrating through the refrigerant pipe group, and multiple pairs of second sawtooth-shaped grooves which are symmetrically formed with respect to the through holes and are not in contact with each other are formed in the first side surfaces of the fins. The finned type heat exchanger can effectively distribute the refrigerant and provide multiple flowing paths for the refrigerant to prevent disorder caused by turbulent flow, the flowing area of condensed water is increased, and the heat exchange efficiency of the finned type heat exchanger is improved.
Description
Technical field
The present invention relates to heat exchanger, be specifically related to a fin tube type heat exchanger.
Background technology
Heat exchanger is a kind of device of heat-shift between internal refrigeration storage agent and external fluid.Heat exchanger can be used as condenser or evaporimeter in the refrigerant circulation formed by compressor, condenser, expansion gear and evaporimeter.Heat exchanger can be divided into fin tube type heat exchanger and mini-channel tube heat exchanger.Finned type heat exchanger comprises multiple fin and passes multiple cylindrical shape of multiple fin or the pipe of approximate circle tubular.Finned type heat exchanger makes external fluid and carry out heat exchange between the cold-producing medium of Bottomhole pressure, and these fins make the heat exchange area between external fluid and the cold-producing medium of Bottomhole pressure increase.
But, traditional finned type heat exchanger has following limitation, when finned type heat exchanger runs, cold-producing medium flows in traditional finned type heat exchanger, form turbulent flow path confusion when flow velocity is excessive wayward, and a large amount of condensed water reunions can be produced at fin surface, even glaciation, finned type heat exchanger effectively can not remove the condensed water on surface, significantly reduces the condensation efficiency of cold-producing medium.Therefore, need a kind of effectively directs refrigerant badly and move, increase condensed water flow area, effectively remove condensed water, and improve the finned type heat exchanger of heat exchanger effectiveness.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and/or defect, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a fin tube type heat exchanger, it can effective tapped refrigerant provide many flow paths for cold-producing medium, prevent turbulent flow degree of causing confusion, and condensed water can be made under the blowing of air blast to flow along predetermined saw-tooth grooves, increase the flow area of condensed water, formed motive force and the capacity of condensed water by sponge absorption, improve the heat exchanger effectiveness of heat exchanger.
In order to realize, according to these objects of the present invention and other advantage, providing a fin tube type heat exchanger, comprising:
Refrigerant pipe group, it comprises multiple interval from top to bottom and arranges and consistent size, the refrigerant pipe be parallel to each other, it is horizontally disposed hollow tubular structure, the two ends head and the tail of described multiple refrigerant pipe are communicated with successively, one end of adjacent two described refrigerant pipe connections screws in the two ends of semicircle tube connector respectively, one end of a described refrigerant pipe of the top is free end and is provided with refrigerant inlet, one end of a described refrigerant pipe of bottom is free end and is provided with refrigerant outlet, described refrigerant pipe group is communicated with multiple described tube connector, form the path of flowing in cold-producing medium place institute refrigerant pipe group, wherein, the inwall of described refrigerant pipe is provided with multiple non-touching helical form first groove, it originates in one end of described refrigerant pipe and ends at the other end of described refrigerant pipe, and the width of described first groove is 2 ~ 3cm, and the degree of depth of described first groove is 0.5 ~ 1cm,
Fins set, it comprises multiple interval from left to right and arranges and the fin vertical with described refrigerant pipe group, for any one fin, it is platy structure, described fin has multiple through hole wearing described refrigerant pipe group, first side surface of described fin is provided with multipair non-touching zigzag second groove symmetrically arranged relative to described through hole, for any pair second grooves, it originates in the circumference of described through hole and ends at the outward flange of described fin, the width of described second groove is 1/3 of described through-hole diameter, the degree of depth of described second groove is 2/3 of the thickness of described fin, the termination of described second groove is provided with polyurethane sponge, described in each, the below of through hole is provided with air blast, it is provided with a pair symmetrically arranged air outlet, its air-out direction is towards the initiating terminal of described second groove.
Preferably, described finned type heat exchanger, the two ends that one end that adjacent two described refrigerant pipes are communicated with screws in described tube connector are respectively threaded connection realization, the tube wall of the connectivity part of described refrigerant pipe and described tube connector is all wound with the band preventing described cold-producing medium from flowing out, described band is coated with high-temperature resistant coating.
Preferably, described finned type heat exchanger, the ratio of the pitch of described first groove and the length of described refrigerant pipe is 0.3 ~ 0.5: 1, and the ratio of the diameter of described tube connector and the diameter of described refrigerant pipe is 1 ~ 1.05: 1.
Preferably, described finned type heat exchanger, few 1 of the quantity of refrigerant pipe described in the number ratio of described tube connector.
Preferably, described finned type heat exchanger, the surface of described second groove is coated with epoxy resin composite material coating.
Preferably, described finned type heat exchanger, the tooth pitch of described second groove is that described through hole radially arrives 2/5 ~ 3/5 of the outer peripheral distance of described fin.
Preferably, described finned type heat exchanger, described polyurethane sponge be rhombus column, the height of described polyurethane sponge is 1.5 ~ 2 times of the degree of depth of described second groove.
Preferably, described finned type heat exchanger, the second side surface of described fin is provided with many spaced reinforcements, and described reinforcement does not contact with described through hole.
The present invention at least comprises following beneficial effect: owing to arranging helical form first groove in refrigerant pipe, cold-producing medium flows along desired trajectory under motive force, multiply shunting is non-interference each other, ensure flow velocity and the flow of cold-producing medium, avoid flow excessive time cold-producing medium the confusion degree that causes of turbulent flow, therefore, it is possible to effectively control the flow velocity of cold-producing medium; Owing to arranging zigzag second groove in through hole periphery, blower blows condensed water flows along the second groove, polyurethane sponge adsorbs at the other end of the second groove, condensed water can not be caused to accumulate in the second groove, zigzag fashion increases the wall built-up area of condensed water and tube wall, holds more substantial condensed water, and the direct route in sawtooth facilitates condensed water to flow, therefore, it is possible to effectively remove condensed water, and improve condensation efficiency.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the left view of finned type heat exchanger of the present invention;
Fig. 2 is the front view of fin of the present invention;
Fig. 3 is the structural representation of the first groove of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
As shown in Figures 1 to 3, the invention provides a fin tube type heat exchanger, it can effective tapped refrigerant provide many flow paths for cold-producing medium, prevent turbulent flow degree of causing confusion, and condensed water can be made under the blowing of air blast 7 to flow along predetermined saw-tooth grooves, increase the flow area of condensed water, formed motive force and the capacity of condensed water by sponge absorption, improve the heat exchanger effectiveness of heat exchanger.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of fin 3 formula heat exchanger, comprising:
Refrigerant pipe group, it comprises multiple interval from top to bottom and arranges and consistent size, the refrigerant pipe 1 be parallel to each other, it is horizontally disposed hollow tubular structure, the two ends head and the tail of described multiple refrigerant pipe 1 are communicated with successively, one end of adjacent two described refrigerant pipe 1 connections screws in the two ends of semicircle tube connector 2 respectively, one end of a described refrigerant pipe 1 of the top is free end and is provided with refrigerant inlet 11, one end of a described refrigerant pipe 1 of bottom is free end and is provided with refrigerant outlet 12, described refrigerant pipe group is communicated with multiple described tube connector 2, form the path of flowing in cold-producing medium place institute refrigerant pipe group, wherein, the inwall of described refrigerant pipe 1 is provided with multiple non-touching helical form first groove 5, it originates in one end of described refrigerant pipe 1 and ends at the other end of described refrigerant pipe 1, and the width of described first groove 5 is 2 ~ 3cm, and the degree of depth of described first groove 5 is 0.5 ~ 1cm,
Fins set, it comprises multiple interval from left to right and arranges and the fin 3 vertical with described refrigerant pipe group, for any one fin 3, it is platy structure, described fin 3 has multiple through hole 4 wearing described refrigerant pipe group, first side surface of described fin 3 is provided with multipair non-touching zigzag second groove 6 symmetrically arranged relative to described through hole 4, for any pair second grooves 6, it originates in the circumference of described through hole 4 and ends at the outward flange of described fin 3, the width of described second groove 6 is 1/3 of described through hole 4 diameter, the degree of depth of described second groove 6 is 2/3 of the thickness of described fin 3, the termination of described second groove 6 is provided with polyurethane sponge, described in each, the below of through hole 4 is provided with air blast 7, it is provided with a pair symmetrically arranged air outlet, its air-out direction is towards the initiating terminal of described second groove 6.
In technique scheme, owing to arranging helical form first groove 5 in refrigerant pipe 1, cold-producing medium flows along desired trajectory under motive force, multiply shunting is non-interference each other, ensure flow velocity and the flow of cold-producing medium, avoid flow excessive time cold-producing medium the confusion degree that causes of turbulent flow, therefore, it is possible to effectively control the flow velocity of cold-producing medium; Owing to arranging zigzag second groove 6 in through hole 4 periphery, air blast 7 blows condensed water and flows along the second groove 6, polyurethane sponge adsorbs at the other end of the second groove 6, condensed water can not be caused to accumulate in the second groove 6, zigzag fashion increases the wall built-up area of condensed water and tube wall, holds more substantial condensed water, and the direct route in sawtooth facilitates condensed water to flow, therefore, it is possible to effectively remove condensed water, and improve condensation efficiency.
In another kind of technical scheme, described finned type heat exchanger, the two ends that one end that adjacent two described refrigerant pipes 1 are communicated with screws in described tube connector 2 are respectively threaded connection realization, the tube wall of the connectivity part of described refrigerant pipe 1 and described tube connector 2 is all wound with the band preventing described cold-producing medium from flowing out, described band is coated with high-temperature resistant coating, prevents the thawing of high-temp solder.
In another kind of technical scheme, described finned type heat exchanger, the ratio of the described pitch of the first groove 5 and the length of described refrigerant pipe 1 is 0.3 ~ 0.5: 1, and the ratio of the diameter of described tube connector 2 and the diameter of described refrigerant pipe 1 is 1 ~ 1.05: 1.
In another kind of technical scheme, described finned type heat exchanger, few 1 of the quantity of refrigerant pipe 1 described in the number ratio of described tube connector 2.
In another kind of technical scheme, described finned type heat exchanger, the surface of described second groove 6 is coated with epoxy resin composite material coating, is conducive to the flowing guiding water.
In another kind of technical scheme, described finned type heat exchanger, the tooth pitch of described second groove 6 is that described through hole 4 radially arrives 2/5 ~ 3/5 of the outer peripheral distance of described fin 3.
In another kind of technical scheme, described finned type heat exchanger, described polyurethane sponge be rhombus column, the height of described polyurethane sponge is 1.5 ~ 2 times of the degree of depth of described second groove 6.
In another kind of technical scheme, described finned type heat exchanger, the second side surface of described fin 3 is provided with many spaced reinforcements, and described reinforcement does not contact with described through hole 4, strengthens intensity.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a fin tube type heat exchanger, is characterized in that, comprising:
Refrigerant pipe group, it comprises multiple interval from top to bottom and arranges and consistent size, the refrigerant pipe be parallel to each other, it is horizontally disposed hollow tubular structure, the two ends head and the tail of described multiple refrigerant pipe are communicated with successively, one end of adjacent two described refrigerant pipe connections screws in the two ends of semicircle tube connector respectively, one end of a described refrigerant pipe of the top is free end and is provided with refrigerant inlet, one end of a described refrigerant pipe of bottom is free end and is provided with refrigerant outlet, described refrigerant pipe group is communicated with multiple described tube connector, form the path of flowing in cold-producing medium place institute refrigerant pipe group, wherein, the inwall of described refrigerant pipe is provided with multiple non-touching helical form first groove, it originates in one end of described refrigerant pipe and ends at the other end of described refrigerant pipe, and the width of described first groove is 2 ~ 3cm, and the degree of depth of described first groove is 0.5 ~ 1cm,
Fins set, it comprises multiple interval from left to right and arranges and the fin vertical with described refrigerant pipe group, for any one fin, it is platy structure, described fin has multiple through hole wearing described refrigerant pipe group, first side surface of described fin is provided with multipair non-touching zigzag second groove symmetrically arranged relative to described through hole, for any pair second grooves, it originates in the circumference of described through hole and ends at the outward flange of described fin, the width of described second groove is 1/3 of described through-hole diameter, the degree of depth of described second groove is 2/3 of the thickness of described fin, the termination of described second groove is provided with polyurethane sponge, described in each, the below of through hole is provided with air blast, it is provided with a pair symmetrically arranged air outlet, its air-out direction is towards the initiating terminal of described second groove.
2. finned type heat exchanger as claimed in claim 1, it is characterized in that, the two ends that one end that adjacent two described refrigerant pipes are communicated with screws in described tube connector are respectively threaded connection realization, the tube wall of the connectivity part of described refrigerant pipe and described tube connector is all wound with the band preventing described cold-producing medium from flowing out, described band is coated with high-temperature resistant coating.
3. finned type heat exchanger as claimed in claim 2, it is characterized in that, the ratio of the pitch of described first groove and the length of described refrigerant pipe is 0.3 ~ 0.5: 1, and the ratio of the diameter of described tube connector and the diameter of described refrigerant pipe is 1 ~ 1.05: 1.
4. finned type heat exchanger as claimed in claim 3, is characterized in that, few 1 of the quantity of refrigerant pipe described in the number ratio of described tube connector.
5. finned type heat exchanger as claimed in claim 4, is characterized in that, the surface of described second groove is coated with epoxy resin composite material coating.
6. finned type heat exchanger as claimed in claim 5, it is characterized in that, the tooth pitch of described second groove is that described through hole radially arrives 2/5 ~ 3/5 of the outer peripheral distance of described fin.
7. finned type heat exchanger as claimed in claim 6, is characterized in that, described polyurethane sponge be rhombus column, the height of described polyurethane sponge is 1.5 ~ 2 times of the degree of depth of described second groove.
8. finned type heat exchanger as claimed in claim 7, it is characterized in that, the second side surface of described fin is provided with many spaced reinforcements, and described reinforcement does not contact with described through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305023.8A CN104949396A (en) | 2015-06-04 | 2015-06-04 | Finned type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305023.8A CN104949396A (en) | 2015-06-04 | 2015-06-04 | Finned type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104949396A true CN104949396A (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510305023.8A Pending CN104949396A (en) | 2015-06-04 | 2015-06-04 | Finned type heat exchanger |
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| Country | Link |
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| CN (1) | CN104949396A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227757A (en) * | 2020-01-22 | 2020-06-05 | 秒针信息技术有限公司 | Dual preheating system and tableware cleaning device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118956U (en) * | 1992-01-30 | 1992-10-14 | 成都蒸发器厂 | Evapourator of refrigerator |
| CN201016607Y (en) * | 2006-12-31 | 2008-02-06 | 广东科龙电器股份有限公司 | Heat exchanger |
| CN101469921A (en) * | 2007-12-28 | 2009-07-01 | 中国航天科技集团公司第五研究院第五一〇研究所 | Evaporator |
| CN203349579U (en) * | 2013-05-22 | 2013-12-18 | 广东美的制冷设备有限公司 | Aluminum-alloy pipe finned heat exchanger and air conditioner |
| CN203454475U (en) * | 2013-06-25 | 2014-02-26 | 广东美的制冷设备有限公司 | Tube-fin type heat exchanger |
| CN203869374U (en) * | 2014-05-08 | 2014-10-08 | 广东美的集团芜湖制冷设备有限公司 | Fin-type heat exchanger, indoor unit for air-conditioner and air-conditioner |
-
2015
- 2015-06-04 CN CN201510305023.8A patent/CN104949396A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118956U (en) * | 1992-01-30 | 1992-10-14 | 成都蒸发器厂 | Evapourator of refrigerator |
| CN201016607Y (en) * | 2006-12-31 | 2008-02-06 | 广东科龙电器股份有限公司 | Heat exchanger |
| CN101469921A (en) * | 2007-12-28 | 2009-07-01 | 中国航天科技集团公司第五研究院第五一〇研究所 | Evaporator |
| CN203349579U (en) * | 2013-05-22 | 2013-12-18 | 广东美的制冷设备有限公司 | Aluminum-alloy pipe finned heat exchanger and air conditioner |
| CN203454475U (en) * | 2013-06-25 | 2014-02-26 | 广东美的制冷设备有限公司 | Tube-fin type heat exchanger |
| CN203869374U (en) * | 2014-05-08 | 2014-10-08 | 广东美的集团芜湖制冷设备有限公司 | Fin-type heat exchanger, indoor unit for air-conditioner and air-conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227757A (en) * | 2020-01-22 | 2020-06-05 | 秒针信息技术有限公司 | Dual preheating system and tableware cleaning device |
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Application publication date: 20150930 |