CN207365503U - Heat exchange tube and heat exchanger - Google Patents
Heat exchange tube and heat exchanger Download PDFInfo
- Publication number
- CN207365503U CN207365503U CN201721240722.XU CN201721240722U CN207365503U CN 207365503 U CN207365503 U CN 207365503U CN 201721240722 U CN201721240722 U CN 201721240722U CN 207365503 U CN207365503 U CN 207365503U
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- tube
- heat exchanger
- return bend
- section
- flared section
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 14
- 238000005336 cracking Methods 0.000 description 9
- 239000003507 refrigerant Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a heat exchange tube and heat exchanger, the heat exchange tube includes: the U-shaped pipe (1) comprises a U-shaped pipe body (11) and a flaring section (12); the U-shaped elbow (2) is connected between two adjacent U-shaped pipes (1); one end of the flaring section (12) is connected with the U-shaped pipe body (11), the other end of the flaring section is connected with the U-shaped elbow (2), and the outer diameter of the U-shaped pipe body (11) is larger than that of the U-shaped elbow (2). Through the utility model discloses because adopt reducing collocation between U-shaped pipe body and the U-shaped elbow for the U-shaped elbow can be done less for U-shaped pipe body external diameter, thereby flaring section on the U-shaped pipe can expand less for the flaring section of original constant diameter structure (U-shaped elbow equals with U-shaped pipe body external diameter promptly), thereby make can use high strength tubular product as the heat exchange tube, and the condition that the fracture can not appear in the flaring technology, guaranteed the structural strength and the security performance of heat exchange tube.
Description
Technical field
The utility model belongs to technical field of heat exchange, and in particular to a kind of heat exchanger tube and heat exchanger.
Background technology
Fin-tube type heat exchanger is frequently with the processing method that return bend is welded after U-tube tube expansion rim of a cup in existing field of heat exchange
Production, generally u-shaped pipe and return bend are produced and processed using the tubing of same size outside diameter, but are used and commonly used common material
Heat exchanger intensity that matter is fabricated to is low, service life is short, is subject to corrosion and fatigue damage etc. and destroys.For this with fin-tube type
Heat exchanger cost declining, the demand for improving reliability, high intensity, long-life tubing are progressively promoted and applied in fin-tube type heat exchanger,
The intensity of heat exchanger can be effectively improved using high intensity, the tubing of long-life, strengthens service life and reduces cost；But
It is high intensity, (elongation percentage is opposite for the similarities and differences in mechanical performance with the ripe tubing (common tubing) applied of industry for long-life tubing
Poor in common tubing, the more common tubing of flaring rate is low), therefore high strength linepipe is held in the expansion rim of a cup process that heat exchanger produces
Easy cracking problem, can not complete the welding production of heat exchanger assembly.
Due to high strength linepipe fin-tube type heat exchanger of the prior art in technique is flared easily it is cracking, cause nothing
Method completes the technical problems such as the welding production of heat exchanger assembly, therefore the utility model research and design goes out a kind of heat exchanger tube and heat exchange
Device.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome high strength linepipe fin-tube type of the prior art to change
Hot device in being flared technique easily it is cracking the defects of, so as to provide a kind of heat exchanger tube and heat exchanger.
The utility model provides a kind of heat exchanger tube, it includes：
U-tube, including U-tube body and flared section；
Return bend, is connected between two adjacent U-tubes；
Described flared section one end is connected with the U-tube body, the other end is connected with the return bend, and the U-tube
The outside diameter of body is more than the outside diameter of the return bend.
Preferably, the flared section is to be formed by the way that the end of the U-tube is carried out tube expansion.
Preferably, the return bend is inserted into the flared section and is fixed between the flared section.
Preferably, the end of the flared section is the rim of a cup structure extended out.
Preferably, the return bend includes：Return bend body and the necking section for being connected to its end, the necking section energy
Enough it is inserted into the flared section.
Preferably, the necking section is to be formed by the way that the return bend is carried out the draw.
Preferably, the outer diameter D 2+2* flared section thicknesss of pipe wall+ξ 1 of the outer diameter D 3=U shape elbows of flared section, wherein ξ 1 are first
Gap width.
Preferably, the outside diameter of return bend is 4mm~13mm；And the outside diameter of U-tube body is 5mm~13mm, U-tube expands
The outside diameter of mouth section is 7.75mm, flared section thickness of pipe wall is 0.38mm.
Preferably, the outer diameter D 2 '+2* flared section thicknesss of pipe wall+ξ 2, wherein ξ of the outer diameter D 3=U shape elbow necking sections of flared section
2 be the second gap width.
Preferably, the outside diameter of the necking section of the return bend is 4mm~13mm；The outside diameter of U-tube body for 5mm~
13mm, the outside diameter of U-tube flared section is 7.75mm, its thickness of pipe wall is 0.38mm.
Preferably, the heat exchanger tube is aluminum pipe.
The utility model also provides a kind of heat exchanger, it includes foregoing heat exchanger tube, further includes at least one fin structure,
At least one fin structure is arranged on the outer surface of the heat exchanger tube.
A kind of heat exchanger tube and heat exchanger provided by the utility model have the advantages that：
1. the heat exchanger tube and heat exchanger of the utility model, include U-tube body and the U-tube of flared section, institute by setting
State that flared section one end is connected with the U-tube body, the other end is connected with the return bend, and the outside diameter of the U-tube body
More than the outside diameter of the return bend, due to using reducing to arrange in pairs or groups between U-tube body and return bend, return bend is enabled to
It can be made smaller relative to U-tube body diameter, so that the flared section on U-tube can be relative to the gauge structure such as original
Flared section (i.e. return bend is equal with U-tube body diameter) expand smaller (it is original wait gauge structure flared section expand more
Greatly), be enable to using high strength linepipe as heat exchanger tube and in technique is flared be not in cracking situation, have
It ensure that to effect the structural strength and security performance of heat exchanger tube；
2. the adjustable bearing of compressor of exhaust outlet centre-to-centre spacing and compressor of the utility model, fin-tube type heat exchanger is using different
Footpath arrange in pairs or groups, refrigerant from Large Diameter Pipeline enter pipe with small pipe diameter and from pipe with small pipe diameter enter Large Diameter Pipeline when, due to the transient change of flow, big
Pipe with small pipe diameter transition position forms strong disturbance, enhances turbulent flow effect of the refrigerant in pipe-line system, improves heat exchanger performance；
Reduce flaring diameter, it is ensured that on the premise of quality, two former tube expansion, flaring processes are integrated into integration, improve production
Efficiency and tube expansion qualification rate.Due to the new construction using the utility model, high intensity is promoted, long-life tubing is changed in fin-tube type
Application on hot device, is beneficial to air-conditioning lightweight production, reduces heat exchanger cost 30%, and production efficiency improves 20%, improves
Heat Exchanger Reliability.
Brief description of the drawings
Fig. 1 is the structure diagram (U-shaped before the assembling of the U-tube and return bend of the heat exchanger of the common tubing of the prior art
Pipe and return bend are isometrical)；
Fig. 2 is the structure diagram (U-shaped after the assembling of the U-tube and return bend of the heat exchanger of the common tubing of the prior art
Pipe and return bend are isometrical)；
Fig. 3 is the U-tube and return bend of the heat exchanger of the high intensity long life tubing of the embodiment 1 of the utility model
Cooperation schematic diagram (U-tube and return bend reducing) before assembling；
Fig. 4 is the U-tube and return bend of the heat exchanger of the high intensity long life tubing of the embodiment 1 of the utility model
Cooperation schematic diagram (U-tube and return bend reducing) after assembling；
Fig. 5 is the U-tube and return bend of the heat exchanger of the high intensity long life tubing of the embodiment 2 of the utility model
Cooperation schematic diagram (U-tube and return bend reducing) before assembling；
Fig. 6 is the U-tube and return bend of the heat exchanger of the high intensity long life tubing of the embodiment 2 of the utility model
Cooperation schematic diagram (U-tube and return bend reducing) after assembling.
Reference numeral is expressed as in figure：
1st, U-tube；11st, U-tube body；12nd, flared section；12a, rim of a cup structure；2nd, return bend；21st, return bend body；
22nd, necking section；3rd, fin.
Embodiment
Embodiment 1
As Figure 3-Figure 4, the utility model provides a kind of heat exchanger tube, it includes：
U-tube 1, is at least two, the U-tube 1 includes U-tube body 11 and flared section 12；
Return bend 2, is connected between the U-tube 1 of adjacent two；
Described 12 one end of flared section is connected with the U-tube body 11, the other end is connected with the return bend 2, and described
The outside diameter of U-tube body 11 is more than the outside diameter of the return bend 2.
Include U-tube body and the U-tube of flared section by setting, described flared section one end connects with the U-tube body
Connect, the other end is connected with the return bend, and the outside diameter of the U-tube body be more than the return bend outside diameter, due to U-shaped
Between tube body and return bend using reducing arrange in pairs or groups, enable to return bend relative to U-tube body diameter can be made compared with
It is small, so that the flared section on U-tube can wait gauge structure relative to original (i.e. return bend is equal with U-tube body diameter)
Expand smaller, be enable to using high strength linepipe as heat exchanger tube and be not in cracking in technique is flared
Situation, be effectively guaranteed heat exchanger tube structural strength and security performance (high intensity is mainly characterized with tensile strength, i.e., tension is strong
Degree is higher than common tubing by 20%；Mainly there is aperture time ratio with resisting salt fog corrosion time representation, i.e. resisting salt fog corrosion in long-life
Common tubing is more than 2 times high)；
The fin-tube type heat exchanger structure of the utility model includes high intensity, the tubing of long-life, and U-tube and U-bend
Head collocation joint dimension.High intensity therein, long-life tubing have light-weight, long lifespan feature, can reduce heat exchanger entirety
Weight and cost, improve the heat exchanger applications service life.The tubing is consistent with common tubing caliber, its production technology has with common tubing
It is different.
Fin-tube type heat exchanger is arranged in pairs or groups using reducing, and refrigerant enters pipe with small pipe diameter from Large Diameter Pipeline and enters Large Diameter Pipeline from pipe with small pipe diameter
When, due to the transient change of flow, strong disturbance is formd in big pipe with small pipe diameter transition position, enhances refrigerant in pipe-line system
Turbulent flow effect, improves heat exchanger performance；Reduce flaring diameter, it is ensured that on the premise of quality, by former tube expansion, flaring two
Process integrates integration, improves production efficiency and tube expansion qualification rate.Due to the new construction using the utility model, promote high
The application of intensity, long-life tubing on fin-tube type heat exchanger, is beneficial to air-conditioning lightweight production, reduces heat exchanger cost
30%, production efficiency improves 20%, improves Heat Exchanger Reliability.
Preferably, the flared section 12 is to be formed by the way that the end of the U-tube 1 is carried out tube expansion.I.e. in the U-shaped
The position that pipe 1 and the return bend 2 connect：Flared section 12 is formed by the way that the U-tube 1 is carried out tube expansion.
By using expansion tube process so that the caliber of the end of U-tube body is effectively expanded (including internal diameter and outer
Footpath) so that the contained structure of return bend insertion can be accommodated, so that mating between return bend and U-tube, completion by being formed
The connection of heat exchanger tube.
Preferably, the return bend 2, which is inserted into the flared section 12 and is fixed between the flared section 12, (is preferably
Welding).So enable to return bend to be fixedly connected with the flared section of U-tube, ensure to form a complete heat exchanger tube knot
Structure, and cause the tube expansion (flared section) of the heat exchanger tube of high intensity that cracking phenomena will not occur.
Preferably, the end of the flared section 12 is the rim of a cup structure 12a extended out.As Figure 3-Figure 4, in flared section 12
The top be arranged to the rim of a cup structure extended out, enable to return bend to form a guiding role when being inserted into flared section, it is right
The insert action of return bend produces guiding, phenomena such as preventing from colliding during insertion, ensures the flared section of return bend and U-tube
Between normal assembling and connection.
Embodiment 2
As seen in figs. 5-6, the present embodiment is the further improvement made on the basis of embodiment 1, it is preferable that the U
Shape elbow 2 includes：Return bend body 21 and the necking section 22 for being connected to its end, the necking section 22 are inserted into the expansion
In mouth section 12.
By the shape by the end set of return bend into necking section, enable to more easily insert by necking section
Enter among the flared section of U-tube so that the flared section does not have to further expand very big, so as to effectively further ensure that
High intensity long life tubing will not improve the stability of heat exchange tube structure in expander (tube expansion) technique there is a situation where cracking
And intensity.
Preferably, the necking section 22 is to be formed by the way that the end of the return bend 2 is carried out the draw.I.e. in the U
The position that shape pipe 1 and the return bend 2 connect：Necking section 22 is formed by the way that the end of the return bend 2 is carried out the draw.
This is the preferred molding mode of the necking section of the return bend of the heat exchanger tube of the utility model, by the technique of the draw (relative to swollen
Plumber's skill), enable to pipe caliber to shrink, so as to form the necking section of caliber diminution.
Preferably, the outer diameter D 1+2* flared section thicknesss of pipe wall+ξ 1 of the outer diameter D 3=U shapes elbow 2 of flared section 12, wherein ξ 1 are
First gap width.This is the big of matched outer diameter between flared section and return bend in the embodiment 1 of the utility model
Small relation, size in this way set can effectively ensure return bend can be effectively inserted in flared section and with expansion
First gap ξ 1 is kept between mouth section inner wall, and is fixedly connected between flared section, completes the dress of the safety and stability of heat exchanger tube
Match somebody with somebody.
Preferably, the size of return bend is φ 6.35*0.7, and wherein 6.35mm is its outside diameter, and 0.7mm is thickness of pipe wall；
The size of U-tube body is that the size of φ shape tube bodies is to be fixedly connected, and wherein 7mm is its outside diameter, and 0.38mm is
Thickness of pipe wall (U-tube body diameter 4mm~13mm, wall thickness 0.35mm~0.55), 0.25mm is high (similarly hereinafter) for its tooth, and U-tube
The outside diameter of body is 5mm~13mm, and the outside diameter of U-tube flared section is 7.75mm, its thickness of pipe wall is 0.38mm.Reducing collocation outside diameter
Range of choice：0.75<Return bend outside diameter/U-tube body diameter<1.The number range of 1 ξ 2 of gap ξ is：0.05mm~0.3mm,
Caliber is bigger, and collocation gap is bigger.
This is the return bend of the utility model and the specific preferred size dimension of U-tube, is changed with certain 7 fin-tube type aluminum pipe of φ
Exemplified by hot device, industry maturation applies 3003 aluminum pipes, U-tube φ 7*0.47*0.25 and return bend φ 7*1, and now intending, which reduces φ 7, manages
Wing formula aluminum pipe heat exchanger cost and raising aluminum pipe application life, are substituted, high-strength aluminum pipe U-shaped using certain high intensity, long-life aluminium tube
Tubing specification is φ 7*0.38*0.25, internal diameter φ 5.74, using traditional fin-tube type structure, to coordinate same specification high intensity U-bend
Head φ 7*1, U-tube flared section need to be flared to internal diameter 7, then outside diameter φ 8.4, high intensity, long-life aluminium tube are cracking.
Using the utility model fin-tube type heat exchanger U-tube and return bend matching structure, high intensity return bend uses φ
6.35*0.7, then high intensity U-tube φ 7*0.38*0.25, flared section area outer diameter need to only expand to about φ 7.75, compared with φ 8.4 outside
Footpath, is reduced by about 8%, solves the problems, such as the fin-tube type heat exchanger production and processing of high intensity aluminum pipe, and former tube expansion, flaring two-step are integrated
Integration, improves production and processing efficiency.
Preferably, the 2 '+2* flared section thicknesss of pipe wall+ξ 2 of outer diameter D of the 2 necking section of outer diameter D 3=U shapes elbow of flared section 12, its
Middle ξ 2 is the second gap width.This is matched outer diameter ruler between flared section and return bend in the embodiment 1 of the utility model
Very little magnitude relationship, size setting in this way can effectively ensure that return bend can be effectively inserted in flared section
And the gap ξ 1 kept between flared section inner wall, and be fixedly connected between flared section, complete the safety and stability of heat exchanger tube
Assembling.
Preferably, the outside diameter of the necking section of the return bend is φ 6.35mm, its thickness of pipe wall is 0.7mm；U-tube body
Size be φ 7*0.38*0.25, wherein 7mm is its outside diameter, and 0.38mm is thickness of pipe wall, and 0.25mm is high for its tooth, and U-tube expands
The outside diameter of mouth section is 7.75mm, and 0.38mm is its thickness of pipe wall.
This is the return bend of the utility model and the specific preferred size dimension of U-tube, using the utility model fin-tube type
Heat exchanger U-shaped pipe and return bend matching structure, by return bend mouth of pipe necking to φ 6.35, U-tube pipe flared region outside diameter expands
To about φ 7.75, the fin-tube type heat exchanger production and processing of high intensity aluminum pipe, reducing collocation are solved the problems, such as, refrigerant enters from Large Diameter Pipeline
Pipe with small pipe diameter and from pipe with small pipe diameter enter Large Diameter Pipeline when, due to the transient change of flow, formd strongly in big pipe with small pipe diameter transition position
Disturbance, enhance turbulent flow effect of the refrigerant in pipe-line system, improve heat exchanger performance；Solve the fin-tube type of high intensity aluminum pipe
Heat exchanger produces and processes problem, and former tube expansion, necking two-step are integrated integration, improve production and processing efficiency.
Preferably, the heat exchanger tube is aluminum pipe.This is the preferred structure of the utility model high intensity long life heat exchange tubing
And species, using the utility model fin-tube type heat exchanger structure, high intensity, long-life aluminium tube can be used, it is light to be beneficial to air-conditioning
Quantify production, reduce heat exchanger cost 30%, production efficiency improves 20%, improves Heat Exchanger Reliability.
The utility model also provides a kind of heat exchanger, it includes foregoing heat exchanger tube, further includes at least one fin structure,
At least one fin structure is arranged on the outer surface of the heat exchanger tube.
Connected by carrying out matching with fin structure including foregoing heat exchanger tube, due between U-tube body and return bend
Arranged in pairs or groups using reducing, enable to return bend to be made smaller relative to U-tube body diameter, so that the flaring on U-tube
Section can wait gauge structure (i.e. return bend is equal with U-tube body diameter) to expand smaller relative to original, so that energy
Be not in the situation of cracking enough using high strength linepipe as heat exchanger tube and in technique is flared, be effectively guaranteed heat exchange
The structural strength and security performance of pipe；
Simultaneously because fin-tube type heat exchanger using reducing arrange in pairs or groups, refrigerant from Large Diameter Pipeline enter pipe with small pipe diameter and from pipe with small pipe diameter into
When entering Large Diameter Pipeline, due to the transient change of flow, strong disturbance is formd in big pipe with small pipe diameter transition position, enhances refrigerant in pipe
The turbulent flow effect of road system, improves heat exchanger performance；Reduce flaring diameter, it is ensured that on the premise of quality, by former tube expansion,
Two processes of flaring integrate integration, improve production efficiency and tube expansion qualification rate.Due to the new knot using the utility model
Structure, promotes the application of high intensity, long-life tubing on fin-tube type heat exchanger, is beneficial to air-conditioning lightweight production, reduces heat exchange
Device cost 30%, production efficiency improve 20%, improve Heat Exchanger Reliability.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (12)
- A kind of 1. heat exchanger tube, it is characterised in that：Including：U-tube (1), including U-tube body (11) and flared section (12)；Return bend (2), is connected between the U-tube (1) of adjacent two；One end of the flared section (12) is connected with the U-tube body (11), the other end is connected with the return bend (2), and The outside diameter of the U-tube body (11) is more than the outside diameter of the return bend (2).
- 2. heat exchanger tube according to claim 1, it is characterised in that：The flared section (12) is by by the U-tube (1) End carry out tube expansion and formed.
- 3. heat exchanger tube according to claim 1, it is characterised in that：The return bend (2) is inserted into the flared section (12) it is in and fixed between the flared section (12).
- 4. heat exchanger tube according to claim 1, it is characterised in that：The end of the flared section (12) is the rim of a cup structure (12a) extended out.
- 5. according to the heat exchanger tube any one of claim 1-4, it is characterised in that：The return bend (2) includes：Return bend body (21) and the necking section for being connected to return bend body (21) end (22), the necking section (22) is inserted into the flared section (12).
- 6. heat exchanger tube according to claim 5, it is characterised in that：The necking section (22) is by by the return bend (2) end carries out the draw and is formed.
- 7. according to the heat exchanger tube any one of claim 2-4, it is characterised in that：The outer diameter D 2+2* flared section thicknesss of pipe wall+ξ 1 of the outer diameter D 3=U shapes elbow (2) of flared section (12), wherein ξ 1 are the first gap Value.
- 8. heat exchanger tube according to claim 7, it is characterised in that：The outside diameter of return bend is 4mm~13mm；And the outside diameter of U-tube body is 5mm~13mm, the outside diameter of U-tube flared section is 7.75mm, flared section thickness of pipe wall are 0.38mm.
- 9. heat exchanger tube according to claim 5, it is characterised in that：The outer diameter D 2 '+2* flared section thicknesss of pipe wall+ξ 2, wherein ξ 2 of outer diameter D 3=U shapes elbow (2) necking section of flared section (12) be Second gap width.
- 10. heat exchanger tube according to claim 9, it is characterised in that：The outside diameter of the necking section of the return bend is 4mm~13mm；The outside diameter of U-tube body is 5mm~13mm, and U-tube is flared The outside diameter of section is 7.75mm, its thickness of pipe wall is 0.38mm.
- 11. according to the heat exchanger tube any one of claim 1-4,6,8-10, it is characterised in that：The heat exchanger tube is aluminum pipe.
- A kind of 12. heat exchanger, it is characterised in that：Including the heat exchanger tube any one of claim 1-11, at least one fin structure is further included, it is at least one described Fin structure is arranged on the outer surface of the heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721240722.XU CN207365503U (en) | 2017-09-26 | 2017-09-26 | Heat exchange tube and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721240722.XU CN207365503U (en) | 2017-09-26 | 2017-09-26 | Heat exchange tube and heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207365503U true CN207365503U (en) | 2018-05-15 |
Family
ID=62350077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721240722.XU Active CN207365503U (en) | 2017-09-26 | 2017-09-26 | Heat exchange tube and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207365503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642923A (en) * | 2017-09-26 | 2018-01-30 | 珠海格力电器股份有限公司 | Heat exchange tube and heat exchanger |
-
2017
- 2017-09-26 CN CN201721240722.XU patent/CN207365503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642923A (en) * | 2017-09-26 | 2018-01-30 | 珠海格力电器股份有限公司 | Heat exchange tube and heat exchanger |
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