CN202188792U - Heat exchanger and internal thread copper pipe thereof - Google Patents
Heat exchanger and internal thread copper pipe thereof Download PDFInfo
- Publication number
- CN202188792U CN202188792U CN2011202674208U CN201120267420U CN202188792U CN 202188792 U CN202188792 U CN 202188792U CN 2011202674208 U CN2011202674208 U CN 2011202674208U CN 201120267420 U CN201120267420 U CN 201120267420U CN 202188792 U CN202188792 U CN 202188792U
- Authority
- CN
- China
- Prior art keywords
- internal thread
- copper pipe
- tooth
- inner screw
- screw thread
- 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.)
- Expired - Lifetime
Links
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 69
- 239000010949 copper Substances 0.000 title claims abstract description 69
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000012546 transfer Methods 0.000 abstract description 10
- 239000003507 refrigerant Substances 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000010248 power generation Methods 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009923 sugaring Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an internal thread copper pipe, comprising a pipe body (1), internal thread teeth of different tooth shapes with different heights, wherein the internal thread teeth are alternatively distributed on an inner wall of the pipe body (1). The turbulence intensity of a secondary refrigerant is reinforced by height differences among internal thread teeth of different tooth shapes, the disturbance of the secondary refrigerant is increased and the heat conduction energy efficiency is increased. While in use, the tooth shape of the common internal thread copper pipe is broken during the pipe expanding process, but because of the height differences of different tooth shapes, only part of the tooth shape of the internal thread copper pipe mentioned in the utility model is broken after the pipe expanding process and the internal thread copper pipe still has the relative high heat transfer efficiency. The design of the internal thread copper pipe is optimized, thus the weight of the pipe and the production and use cost are reduced. The internal thread copper pipe is suitable to be widely used in the technical fields such as refrigeration, air condition, power generation, sugar production, chemical industry and solar energy.
Description
Technical field
The utility model relates to the heat-exchange tube technical field, particularly a kind of heat exchanger and inner screw thread copper pipe thereof.
Background technology
General inner screw thread copper pipe on the existing heat exchanger, inner screw thread copper pipe is provided with screw thread at the inwall of body, and the screw thread of the inwall of known its body of inner screw thread copper pipe is a helical form; It is widely used on the domestic air conditioning, during this copper pipe internal copper control cryogen, because it is the helical form internal thread; Surface area is big, and the cold-producing medium and the copper pipe contact area that flow are big, and the time of staying is long; Reach the purpose of heat exchange, reduce the consumption of electric energy greatly.
At present, the screw thread of inner screw thread copper pipe all is to be designed to the screw thread that a kind of flute profile rule is arranged as required, and its main flute profile has full depth tooth, tall and thin tooth, intersection tooth etc., is used to improve heat transfer efficiency.The inner screw thread copper pipe of this monodentate type has heat transfer property preferably, but in use, flute profile can be destroyed when expanding expander, reduces heat transfer efficiency.According to market, what the user needed is to expand still to have the inner screw thread copper pipe of higher heat transfer efficiency after expander is processed.
Therefore, how to guarantee that inner screw thread copper pipe after bloated expander processing, still has higher heat transfer efficiency, become the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of heat exchanger and inner screw thread copper pipe thereof, to guarantee that inner screw thread copper pipe after bloated expander processing, still has higher heat transfer efficiency.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of inner screw thread copper pipe comprises body, and the inwall of said body is provided with the internal thread tooth of highly different multiple profiles of tooth, and the said internal thread tooth of various profiles of tooth alternately distributes.
Preferably, in above-mentioned inner screw thread copper pipe, the flute profile of said internal thread tooth is two kinds, is respectively the first internal thread tooth and the second internal thread tooth, and said first internal thread tooth and the alternately distribution in groups of the said second internal thread tooth.
Preferably, in above-mentioned inner screw thread copper pipe, two said first internal thread teeth are one group of arranged adjacent;
Two second internal thread teeth are one group of arranged adjacent.
Preferably, in above-mentioned inner screw thread copper pipe, the quantity n of the said first internal thread tooth
aFor: 2≤n
a≤60;
The quantity n of the said second internal thread tooth
bFor: 2≤n
b≤60.
Preferably, in above-mentioned inner screw thread copper pipe, the quantity of said first internal thread tooth and the said second internal thread tooth equates.
Preferably, in above-mentioned inner screw thread copper pipe, the wall thickness T W of said body is: 0.15mm≤TW≤15mm.
Preferably, in above-mentioned inner screw thread copper pipe, the difference in height Z >=0.01mm of said first internal thread tooth and the said second internal thread tooth.
Preferably, in above-mentioned inner screw thread copper pipe, the addendum angle of said first internal thread tooth and the said second internal thread tooth equates.
Preferably, in above-mentioned inner screw thread copper pipe, the helical angle of said first internal thread tooth and the said second internal thread tooth is all smaller or equal to 50 °.
A kind of heat exchanger comprises inner screw thread copper pipe, and said inner screw thread copper pipe is as above each described inner screw thread copper pipe.
Can find out that from above-mentioned technical scheme the screw thread copper pipe that the utility model provides comprises body, the inwall of said body is provided with highly different multiple internal thread teeth.The utility model has strengthened the turbulence intensity of refrigerant through the difference of isodont height not, has improved the perturbation to refrigerant, has improved hot conduction efficiency.In use; The part flute profile of inner screw thread copper pipe can be destroyed when expanding expander, but the inner screw thread copper pipe that the utility model provides is behind the expander that expands, because the difference of dissimilar tooth form height; Have only the part flute profile to be destroyed, its inner screw thread copper pipe still has higher heat transfer efficiency.Can reduce the weight of tubing through the optimal design of the utility model, reduce and produce and use cost.The inner screw thread copper pipe that the utility model provides is adapted at being widely used in the fields such as refrigeration, air-conditioning, generating sugaring, chemical industry, solar energy.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The broken section structural representation of the inner screw thread copper pipe cross section that Fig. 1 provides for the utility model embodiment;
The sectional structure sketch map of the inner screw thread copper pipe longitudinal section that Fig. 2 provides for the utility model embodiment;
The sectional structure sketch map of the inner screw thread copper pipe longitudinal section that Fig. 3 provides for another embodiment of the utility model.
The specific embodiment
The utility model discloses a kind of heat exchanger and inner screw thread copper pipe thereof, to guarantee that inner screw thread copper pipe after bloated expander processing, still has higher heat transfer efficiency.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 3, the broken section structural representation of the inner screw thread copper pipe cross section that Fig. 1 provides for the utility model embodiment; The sectional structure sketch map of the inner screw thread copper pipe longitudinal section that Fig. 2 provides for the utility model embodiment; The sectional structure sketch map of the inner screw thread copper pipe longitudinal section that Fig. 3 provides for another embodiment of the utility model.
The inner screw thread copper pipe that the utility model provides comprises body 1, and wherein, the inwall of body 1 is provided with the internal thread tooth of highly different multiple (promptly at least two kinds) profiles of tooth, and the said internal thread tooth of various profiles of tooth alternately distributes.It will be appreciated by persons skilled in the art that the internal thread tooth in the riffled tube is that spiral is distributed on the inwall of body 1.In the present embodiment, difference with the prior art is that thread is multiple profile of tooth, and the thread height of various profiles of tooth is different.
The utility model has strengthened the turbulence intensity of refrigerant through the difference of isodont height not, has improved the perturbation to refrigerant, has improved hot conduction efficiency.In use; The part flute profile of inner screw thread copper pipe can be destroyed when expanding expander, but the inner screw thread copper pipe that the utility model provides is behind the expander that expands, because the difference of dissimilar tooth form height; Have only the part flute profile to be destroyed, its inner screw thread copper pipe still has higher heat transfer efficiency.Can reduce the weight of tubing through the optimal design of the utility model, reduce and produce and use cost.The inner screw thread copper pipe that the utility model provides is adapted at being widely used in the fields such as refrigeration, air-conditioning, generating sugaring, chemical industry, solar energy.
By shown in Figure 1; The flute profile of internal thread tooth can be two kinds, is respectively the first internal thread tooth 11 and the second internal thread tooth 12, in the present embodiment; The tooth depth of the first internal thread tooth 11 is higher than the tooth depth of the second internal thread tooth 12, and the first internal thread tooth 11 and the alternately distribution in groups of the second internal thread tooth 12.Because the first internal thread tooth 11 is different with the tooth depth of the second internal thread tooth 12, with the two arranged alternate, helps the thread on the inner screw thread copper pipe inwall to be evenly distributed, each locational heat exchange efficiency is approaching each other, and can avoid stress to concentrate.
As shown in Figure 1, two first internal thread teeth 11 are one group of arranged adjacent; Two second internal thread teeth 12 are one group of arranged adjacent.Promptly the first internal thread tooth 11 and the second internal thread tooth 12 are one group with two respectively and replace in groups and to arrange.Certainly, the utility model also can be one group with other quantity with the first internal thread tooth 11 and the second internal thread tooth 12 and carries out arranged alternate, for example one, three etc.
The quantity n of the first internal thread tooth 11
aFor: 2≤n
a≤60; The quantity n of the second internal thread tooth 12
bFor: 2≤n
b≤60.The quantity of the first internal thread tooth 11 and the second internal thread tooth 12 is equal, also can be unequal, and the utility model does not limit.
The wall thickness T W of body 1 is: 0.15mm≤TW≤15mm.The tooth depth of the first internal thread tooth 11 is Ha, and the tooth depth of the second internal thread tooth 12 is Hb, the difference in height Z >=0.01mm of the first internal thread tooth 11 and the second internal thread tooth 12.The addendum angle of the first internal thread tooth 11 is α a, and the addendum angle of the second internal thread tooth 12 is α b, and the addendum angle of the first internal thread tooth 11 and the second internal thread tooth 12 is equal, also can be different, and the utility model does not limit.
As shown in Figures 2 and 3, the helical angle of the first internal thread tooth 11 and the second internal thread tooth 12 is respectively β a and β b, and helixangle a and β b can be identical, also can be different, but the angle of β a and β b equal≤50 °.
The heat exchanger that the utility model provides comprises inner screw thread copper pipe, and wherein, inner screw thread copper pipe is the as above disclosed inner screw thread copper pipe of embodiment.Because the heat exchanger that the utility model provides has adopted the disclosed inner screw thread copper pipe of the foregoing description, therefore have all technique effects of inner screw thread copper pipe concurrently, this case is repeated no more at this.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. an inner screw thread copper pipe comprises body (1), it is characterized in that, the inwall of said body (1) is provided with the internal thread tooth of highly different multiple profiles of tooth, and the said internal thread tooth of various profiles of tooth alternately distributes.
2. inner screw thread copper pipe as claimed in claim 1; It is characterized in that; The flute profile of said internal thread tooth is two kinds, is respectively the first internal thread tooth (11) and the second internal thread tooth (12), and said first internal thread tooth (11) and the alternately distribution in groups of the said second internal thread tooth (12).
3. inner screw thread copper pipe as claimed in claim 2 is characterized in that, two said first internal thread teeth (11) are one group of arranged adjacent;
Two said second internal thread teeth (12) are one group of arranged adjacent.
4. like each described inner screw thread copper pipe of claim 1-3, it is characterized in that the quantity n of the said first internal thread tooth (11)
aFor: 2≤n
a≤60;
The quantity n of the said second internal thread tooth (12)
bFor: 2≤n
b≤60.
5. inner screw thread copper pipe as claimed in claim 4 is characterized in that, the quantity of said first internal thread tooth (11) and the said second internal thread tooth (12) equates.
6. like each described inner screw thread copper pipe of claim 1-3, it is characterized in that the wall thickness T W of said body (1) is: 0.15mm≤TW≤15mm.
7. like each described inner screw thread copper pipe of claim 1-3, it is characterized in that the difference in height Z >=0.01mm of said first internal thread tooth (11) and the said second internal thread tooth (12).
8. like each described inner screw thread copper pipe of claim 1-3, it is characterized in that the addendum angle of said first internal thread tooth (11) and the said second internal thread tooth (12) equates.
9. like each described inner screw thread copper pipe of claim 1-3, it is characterized in that the helical angle of said first internal thread tooth (11) and the said second internal thread tooth (12) is all smaller or equal to 50 °.
10. a heat exchanger comprises inner screw thread copper pipe, it is characterized in that, said inner screw thread copper pipe is like each described inner screw thread copper pipe of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202674208U CN202188792U (en) | 2011-07-26 | 2011-07-26 | Heat exchanger and internal thread copper pipe thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202674208U CN202188792U (en) | 2011-07-26 | 2011-07-26 | Heat exchanger and internal thread copper pipe thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188792U true CN202188792U (en) | 2012-04-11 |
Family
ID=45920238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202674208U Expired - Lifetime CN202188792U (en) | 2011-07-26 | 2011-07-26 | Heat exchanger and internal thread copper pipe thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188792U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353296A (en) * | 2011-07-26 | 2012-02-15 | 金龙精密铜管集团股份有限公司 | Heat exchanger and internal threaded copper tube thereof |
| CN105546848A (en) * | 2015-12-30 | 2016-05-04 | 赵炜 | Solar water heater with collector pipe with inner fins with competitively-changed heights |
| CN105571165A (en) * | 2015-12-30 | 2016-05-11 | 赵炜 | Solar water heater provided with height axially variable inner fins |
| WO2022267235A1 (en) * | 2021-06-25 | 2022-12-29 | 重庆美的制冷设备有限公司 | Copper pipe for heat exchanger, heat exchanger, and air conditioner |
-
2011
- 2011-07-26 CN CN2011202674208U patent/CN202188792U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353296A (en) * | 2011-07-26 | 2012-02-15 | 金龙精密铜管集团股份有限公司 | Heat exchanger and internal threaded copper tube thereof |
| CN105546848A (en) * | 2015-12-30 | 2016-05-04 | 赵炜 | Solar water heater with collector pipe with inner fins with competitively-changed heights |
| CN105571165A (en) * | 2015-12-30 | 2016-05-11 | 赵炜 | Solar water heater provided with height axially variable inner fins |
| CN105546848B (en) * | 2015-12-30 | 2017-05-10 | 赵炜 | Solar water heater with collector pipe with inner fins with competitively-changed heights |
| CN105571165B (en) * | 2015-12-30 | 2017-11-17 | 佛山市顺德区北滘镇信威电器有限公司 | A kind of inner rib plate height Axial changes solar water heater |
| WO2022267235A1 (en) * | 2021-06-25 | 2022-12-29 | 重庆美的制冷设备有限公司 | Copper pipe for heat exchanger, heat exchanger, and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Cao County Alan Metal Process Assignor: Jinlong Precision Copper Pipe Group Co., Ltd. Contract record no.: 2015370000019 Denomination of utility model: Heat exchanger and internal threaded copper tube thereof Granted publication date: 20120411 License type: Exclusive License Record date: 20150304 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Heat exchanger and internal threaded copper tube thereof Effective date of registration: 20171215 Granted publication date: 20120411 Pledgee: China Minsheng Banking Corp Zhengzhou branch Pledgor: Wuxi Golden Dragon Kawamura Precision Tube Co., Ltd.|Chongqing Longyu Precision Copper Tube Co., Ltd.|Henan Longhui Copper Industry Co., Ltd.|Xinxiang Jinxiang Precision Pipe Fittings Co., Ltd.|Xinxiang Longteng Refrigeration Technology Co.,Ltd.|Jiangsu Canghuan Copper Industry Co.,Ltd.|Jinlong Precision Copper Pipe Group Co., Ltd.|Guangdong Longfeng Precise Copper Tube Co., Ltd. Registration number: 2017990001045 |
|
| CP02 | Change in the address of a patent holder |
Address after: 404000 588 Airport Road, Wanzhou District, Chongqing (Wanzhou Economic Development Zone) Patentee after: Jinlong Precision Copper Pipe Group Co., Ltd. Address before: 453000 No. 191 Renmin West Road, Henan, Xinxiang Patentee before: Jinlong Precision Copper Pipe Group Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190814 Granted publication date: 20120411 Pledgee: China Minsheng Banking Corp Zhengzhou branch Pledgor: Jinlong Precision Copper Pipe Group Co., Ltd. Registration number: 2017990001045 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Heat exchanger and internal threaded copper tube thereof Effective date of registration: 20190830 Granted publication date: 20120411 Pledgee: China Minsheng Banking Corp Zhengzhou branch Pledgor: Jinlong Precision Copper Pipe Group Co., Ltd. Registration number: Y2019990000127 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
|
| CX01 | Expiry of patent term |