CN201917263U - End cover of collecting pipe, collecting pipe comprising same and heat exchanger comprising collecting pipe - Google Patents
End cover of collecting pipe, collecting pipe comprising same and heat exchanger comprising collecting pipe Download PDFInfo
- Publication number
- CN201917263U CN201917263U CN2010205958546U CN201020595854U CN201917263U CN 201917263 U CN201917263 U CN 201917263U CN 2010205958546 U CN2010205958546 U CN 2010205958546U CN 201020595854 U CN201020595854 U CN 201020595854U CN 201917263 U CN201917263 U CN 201917263U
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- Prior art keywords
- header
- end cap
- solder side
- solder
- weld part
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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.)
- Expired - Lifetime
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- 238000003466 welding Methods 0.000 claims abstract description 25
- 229910000679 solder Inorganic materials 0.000 claims description 79
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses an end cover used for a collecting pipe, which comprises a welding part (21) and a non-welding part (22), wherein the welding part (21) comprises a main welding surface (211) welded with a first side wall (31) of a pipe body (3) of the collecting pipe, the welding part (21) further comprises an auxiliary welding surface (212), the auxiliary welding surface (212) is welded with at least any one surface of the pipe body (3), and the area of the welding part (21) is larger than the contact area of welding materials and the first side wall (31). Therefore, the auxiliary welding surface is added on the basis of the traditional main welding surface, so as to enlarge the welding area of the end cover and the pipe body of the collecting pipe, therefore, the welding material filling area can be enlarged in a condition of maintaining the self-thickness of the end cover unchanged, and further the welding strength between the end cover and the pipe body of the collecting pipe can be enhanced. The utility model also discloses a collecting pipe comprising the end cover and a heat exchange comprising the collecting pipe.
Description
Technical field
The utility model relates to the heat-exchange apparatus field, particularly a kind of end cap that is used for header.The utility model also relates to a kind of header that comprises above-mentioned end cap, and the heat exchanger that comprises this header.
Background technology
Along with the fast development of China's economic construction, various heat exchangers are applied to the every field of productive life more and more widely.
In heat exchanger, its header is a hermetically-sealed construction, also is that the body two ends of header have end cap, realizes the sealing of header by end cap.Because in the course of work of heat exchanger, the inside of heat exchanger can produce certain pressure to the end cap of header, this just requires the installation strength between the body of end cap and header higher, to avoid owing to separate the heat exchanger failure that causes between end cap and the header.Mounting means between the body of end cap and header is generally welding.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is a kind of structural representation of typical header; Fig. 2 is the stressed schematic diagram of end cap when heat exchanger is worked of header shown in Figure 1.
A kind of typical header comprises hollow tube 11 and is welded in the end cap 12 at body 11 two ends, end cap 12 is the disk dress, and the inwall by its periphery wall and body 11 fits, the filling face of scolder 13 is the fitting part of end cap 12 and body 11 just, on the body 11 of header, also offer some installing holes, be fitted with a heat exchanger tube 14 in each installing hole.By above-mentioned force analysis figure as can be seen, in the course of normal operation of heat exchanger, heat exchanger inside is in poised state to the pressure F1 of end cap and scolder to the shearing force F2 of end cap, in case interior pressure F1 is during greater than shearing force F2, weld seam between end cap and the body can be damaged and split, cause heat exchanger failure, and the filling face of scolder is big more, scolder is big more to the shearing force of end cap.Owing to be subjected to all multifactor restrictions such as the structure of overall dimensions, header of heat exchanger and the relation of installation, end cap can't further increase along the axial thickness of body, then the filling face of scolder can't further increase on the thickness direction of end cap, and in order to improve the weld strength between end cap and the body, the filling area that increases scolder is again comparatively practicable method.
Therefore, how to keep increasing the filling area of scolder under the constant condition of ending cover thickness, thereby improving the weld strength between end cap and the body, just becoming the problem that those skilled in the art need solve.
The utility model content
The purpose of this utility model provides a kind of end cap that is used for header, and it can keep increasing the filling area of scolder under the condition of self thickness inconvenience, thereby has improved the weld strength between the body of end cap and header.Another purpose of the present utility model provides a kind of header that comprises above-mentioned end cap, and the heat exchanger that comprises this header.
For solving the problems of the technologies described above, the utility model provides a kind of end cap that is used for header, comprise weld part and non-weld part, described weld part comprises the main solder side with the first side wall welding of the body of described header, described weld part also comprises auxilliary solder side, described auxilliary solder side at least with arbitrary surface soldered of described body, the area of described weld part is greater than the contact area of scolder and described the first side wall.
Preferably, described auxilliary solder side comprises the first side solder side that is welded in described the first side wall, and the described first side solder side is an arcwall face.
Preferably, described auxilliary solder side comprises the first side solder side that is welded in described the first side wall, and the described first side solder side is for to have facing directly of 0-90 ° of angle with described the first side wall.
Preferably, described auxilliary solder side also comprises the end solder side, and described end solder side is welded in the end face of described body.
Preferably, described auxilliary solder side also comprises the second side solder side, and the described second side solder side is welded in second sidewall of described body, and described second sidewall is relative with described the first side wall.
Preferably, described non-weld part is a segmental arc, and the protrusion direction of described segmental arc is the direction towards described header inside.
Preferably, the vertical section of described non-weld part comprises first straight section, second straight section and the linkage section that connects described first straight section and described second straight section.
Preferably, described linkage section is a segmental arc.
The utility model also provides a kind of header, comprises body and the end cap that is installed on described body two ends, and described end cap is as above-mentioned each described end cap.
The utility model also provides a kind of heat exchanger, comprises header and the interior heat exchanger tube of the installing hole that is plugged in described header, and described header is as above-mentioned each described header.
The end cap that is used for header provided by the utility model, comprise weld part and non-weld part, described weld part comprises the main solder side with the first side wall welding of the body of described header, described weld part also comprises auxilliary solder side, arbitrary surface soldered of described auxilliary solder side and described body, the area of described weld part is greater than the contact area of scolder and described the first side wall.Like this, on the basis of the main solder side of tradition, increase auxilliary solder side, improved the bonding area of the body of end cap and header, thereby can keep under the constant condition of end cap self thickness, increase the filling area of scolder, and then improved the weld strength between the body of end cap and header.
Description of drawings
Fig. 1 is a kind of structural representation of typical header;
Fig. 2 is the stressed schematic diagram of end cap when heat exchanger is worked of header shown in Figure 1;
Fig. 3 is the installation diagram of first kind of specific embodiment of end cap provided by the utility model;
Fig. 4 is the structural representation of end cap shown in Figure 3;
Fig. 5 is the structural representation of second kind of specific embodiment of end cap provided by the utility model;
Fig. 6 is the installation diagram of the third specific embodiment of end cap provided by the utility model;
Fig. 7 is the structural representation of end cap shown in Figure 6;
Fig. 8 is the installation diagram of the 4th kind of specific embodiment of end cap provided by the utility model;
Fig. 9 is the structural representation of end cap shown in Figure 8;
Figure 10 is the structural representation of the 5th kind of specific embodiment of end cap provided by the utility model;
Figure 11 is the structural representation of the body of the header that matches with end cap provided by the present invention.
The specific embodiment
Core of the present utility model provides a kind of end cap that is used for header, and it can keep increasing the filling area of scolder under the condition of self thickness inconvenience, thereby has improved the weld strength between the body of end cap and header.Another core of the present utility model provides a kind of header that comprises above-mentioned end cap, and the heat exchanger that comprises this header.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 3, Fig. 4 and Figure 11; Fig. 3 is the installation diagram of first kind of specific embodiment of end cap provided by the utility model; Fig. 4 is the structural representation of end cap shown in Figure 3; Figure 11 is the structural representation of the body of the header that matches with end cap provided by the present invention.
The end cap that is used for header provided by the utility model, comprise weld part 21 and non-weld part 22, wherein, weld part 21 comprises the main solder side 211 with the first side wall 31 welding of the body 3 of header, weld part 21 also comprises auxilliary solder side 212, should auxilliary solder side 212 at least with arbitrary surface soldered of the body 3 of header, the area of described weld part is greater than the contact area of scolder and described the first side wall 31.Above-mentioned header is the header that is used for heat exchanger, more typical heat exchanger generally includes two headers that are parallel to each other, also be first header and second header, first header and second header are provided with usually vertically, and have the many heat exchanger tubes that be arranged in parallel substantially 4 between two headers.Respectively be provided with a plurality of heat exchanger tube interfaces on first header and the corresponding tube wall of second header, the two ends of heat exchanger tube 4 are gone in described first header and second header by described heat exchanger tube interface plug-in mounting respectively, thereby two headers are communicated with.
It is to be noted, the first side wall 31 of above-mentioned body 3 is generally the madial wall of body 3, but also can be meant the lateral wall of body 3, and the first side wall 31 is meant in existing header, end cap is welded on the contact sidewall of body 3, and it both can also can be lateral wall for madial wall.Main solder side 211 described in the literary composition is meant that body 3 also has solder side with end cap at this place in the conventional welding, and just prior art middle tube body 3 and end cap also are integrally welded on main solder side 211.
On the basis of the main solder side 211 of tradition, increase auxilliary solder side 212, improved the bonding area 5 of the body 3 of end cap and header, thereby can keep under the constant condition of end cap self thickness, increase the filling area of scolder, and then improved the weld strength between the body 3 of end cap and header.
In first kind of specific embodiment, the auxilliary solder side 212 of end cap provided by the utility model comprises the first side solder side 2123, and the first side solder side 2123 is welded on the first side wall 31 of body 3, and this first side solder side 2123 is an arcwall face.Under the constant situation of the weld length on the body 3, the area of arcwall face is greater than the area that is parallel to the axial plane of body 3, thereby improved the bonding area 5 of end cap and body 3, improved both weld strengths.
Above-mentioned arcwall face can be arc surface, also can be other regular arcwall faces ellipsoid etc. for example, equally also can irregular arcwall face, for example arcuate structure of wave-like etc.
Please refer to Fig. 5, and please in the lump with reference to Figure 11, Fig. 5 is the structural representation of second kind of specific embodiment of end cap provided by the utility model.
In second kind of specific embodiment, the auxilliary solder side 212 of above-mentioned end cap comprises the first side solder side 2123, and the first side solder side 2123 is welded on the described the first side wall 31, this first side solder side 2123 is for to have facing directly of 0-90 ° of angle with the first side wall 31, also promptly under the situation that weld length is constant on the body 3, the solder side that makes end cap and body 3 is the inclined-plane, the first side solder side 2123 of this inclination and the angle of first side greater than 0 ° less than 90 °, thereby increased the bonding area 5 of end cap and body 3, both weld strengths have been improved, and, compare with arcwall face, face easier processing directly, thereby simplified processing technology, reduced the generation processing cost.
The angle that it is pointed out that the above-mentioned first side solder side 2123 and first side can be about 30 ° usually, when this angle, and the more or less freely realization of welding procedure, and bonding area 5 increases obviously.
On the basis of above-mentioned any specific embodiment, all improvement that can carry out for the end cap of header provided by the utility model.
Please refer to Fig. 6, Fig. 7, and please in the lump with reference to Figure 11; Fig. 6 is the installation diagram of the third specific embodiment of end cap provided by the utility model; Fig. 7 is the structural representation of end cap shown in Figure 6.
In the third specific embodiment, the auxilliary solder side 212 of end cap provided by the utility model also comprises end solder side 2121, this end solder side 2121 is welded in the end face 33 of body 3, like this, be welded in the end solder side 2121 of end face 33 by increase, further increased the bonding area 5 of body 3, thereby further improved the soldering reliability of body 3 with end cap with end cap.
It is to be noted, when end cap has end solder side 2121, end cap can be above-mentioned first kind of structure that the specific embodiment provides, also can be above-mentioned second kind of structure that the specific embodiment provides, equally also can realize the structure of utility model purpose for other, for example, the plane of end cap and the welding of first side can be the plane that axially is provided with along body 3, like this, end cap is identical with bonding area of the prior art 5 with the solder side of body 3 in the side, at this moment, increases end solder side 2121 on end cap, can on the basis of traditional welding area 5, improve the bonding area 5 of body 3 and end cap equally, improve both weld strengths.
The bonding area 5 of the end face 33 of above-mentioned end solder side 2121 and body 3 equals the area of end face 33, the maximum weld area 5 when this is end solder side 2121 and body 3 welding; Apparently, end solder side 2121 also is not limited to above-mentioned maximum weld area 5 with the bonding area 5 of end face 33, also can improve soldering reliability to a certain extent too less than this maximum weld area 5.
On the basis of above-mentioned any specific embodiment, can also be further improved the end cap that is used for header provided by the utility model.
Please refer to Fig. 8, Fig. 9, and please in the lump with reference to Figure 11, Fig. 8 is the installation diagram of the 4th kind of specific embodiment of end cap provided by the utility model; Fig. 9 is the structural representation of end cap shown in Figure 8.
In the 4th kind of specific embodiment, the auxilliary solder side 212 of end cap provided by the utility model can also comprise the second side solder side 2122, this second side solder side 2122 is welded in second sidewall 32 of described body 3, second sidewall 32 is relative with the first side wall 31, particularly, when above-mentioned the first side wall 31 was the madial wall of body 3, second sidewall 32 was the lateral wall of body 3, when above-mentioned second sidewall 32 was the lateral wall of body 3, second sidewall 32 was the madial wall of body 3; Like this, be welded in the second side solder side 2122 of second sidewall 32, further increased the bonding area 5 of body 3, thereby further improved the soldering reliability of body 3 with end cap with end cap by increase.
The end cap of representing among Fig. 8 and Fig. 9 comprises the first curved side solder side 2123 and the second side solder side 2122, but, the specific embodiment of the present utility model is not limited to this kind structure, particularly, this end cap can comprise and is the first side solder side 2123 and the second side solder side of facing directly 2122, obviously also can comprise the first side solder side 2123, end solder side 2121 and the second side solder side 2122; When comprising the above-mentioned second side solder side 2122, end cap also can be realized other versions of utility model purpose for other.
In the above-mentioned specific embodiment, the specific constructive form of the main weld part of describing that is end cap, the utility model also comprises the architecture advances of the non-weld part of end cap.
Please refer to Figure 10, Figure 10 is the structural representation of the 5th kind of specific embodiment of end cap provided by the utility model.
In the 5th kind of specific embodiment, the vertical section of the non-weld part 22 of end cap provided by the present invention comprises first straight section 221, second straight section 222, and the linkage section 223 that connects described first straight section 221 and described second straight section 222, so that improve the impact resistance of end cap.
Above-mentioned linkage section 223 can be segmental arc, connects by segmental arc to make the transition of winning between the straight section and second straight section more level and smooth.Apparently, above-mentioned linkage section also is not limited to segmental arc, and it also can be straight section.
The structure of non-weld part 22 provided by the utility model also is not limited to above-mentioned concrete form, and this non-weld part 22 can be the segmental arc of evagination, thereby is guaranteeing that end cap has under the situation of enough impact capacities, has simplified processing technology.This non-weld part 22 also can be the segmental arc of indent.
Except above-mentioned end cap, the utility model also provides a kind of header that comprises above-mentioned end cap, and this header comprises the end cap at body 3 and body 3 two ends, and the concrete structure of other each several parts of this header please refer to prior art, does not repeat them here.
Except above-mentioned end cap and the header that comprises this end cap, the utility model also provides a kind of heat exchanger that comprises above-mentioned header, and the structure of other parts of this heat exchanger please refer to prior art, repeats no more equally at this.
More than to the end cap of header provided by the utility model and comprise that the header of this end cap, heat exchanger are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. end cap that is used for header, comprise weld part (21) and non-weld part (22), described weld part (21) comprises the main solder side (211) with the first side wall (31) welding of the body (3) of described header, it is characterized in that, described weld part (21) also comprises auxilliary solder side (212), described auxilliary solder side (212) at least with arbitrary surface soldered of described body (3), the area of described weld part (21) is greater than the contact area of scolder and described the first side wall (31).
2. the end cap that is used for header according to claim 1 is characterized in that, described auxilliary solder side (212) comprises the first side solder side (2123) that is welded in described the first side wall (31), and the described first side solder side (2123) is an arcwall face.
3. the end cap that is used for header according to claim 1, it is characterized in that, described auxilliary solder side (212) comprises the first side solder side (2123) that is welded in described the first side wall (31), and the described first side solder side (2123) is for to have facing directly of 0-90 ° of angle with described the first side wall (31).
4. according to claim 2 or 3 each described end caps that are used for header, it is characterized in that described auxilliary solder side (212) also comprises end solder side (2121), described end solder side (2121) is welded in the end face (33) of described body (3).
5. according to claim 2 or 3 each described end caps that are used for header, it is characterized in that, described auxilliary solder side (212) also comprises the second side solder side (2122), the described second side solder side (2122) is welded in second sidewall (32) of described body (3), and described second sidewall (32) is relative with described the first side wall (31).
6. according to each described end cap that is used for header of claim 1 to 3, it is characterized in that described non-weld part (22) is a segmental arc, the protrusion direction of described segmental arc is the direction towards described header inside.
7. according to each described end cap that is used for header of claim 1 to 3, it is characterized in that the vertical section of described non-weld part (22) comprises first straight section (221), second straight section (222) and connects described first straight section (221) and the linkage section (223) of described second straight section (222).
8. the end cap that is used for header according to claim 7 is characterized in that, described linkage section (223) is a segmental arc.
9. header comprises body (3) and is installed on the end cap at described body (3) two ends, it is characterized in that described end cap is as each described end cap of claim 1 to 8.
10. a heat exchanger comprises header and the interior heat exchanger tube (4) of the installing hole that is plugged in described header, it is characterized in that described header is a header as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205958546U CN201917263U (en) | 2010-11-05 | 2010-11-05 | End cover of collecting pipe, collecting pipe comprising same and heat exchanger comprising collecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205958546U CN201917263U (en) | 2010-11-05 | 2010-11-05 | End cover of collecting pipe, collecting pipe comprising same and heat exchanger comprising collecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917263U true CN201917263U (en) | 2011-08-03 |
Family
ID=44417057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205958546U Expired - Lifetime CN201917263U (en) | 2010-11-05 | 2010-11-05 | End cover of collecting pipe, collecting pipe comprising same and heat exchanger comprising collecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567110A (en) * | 2014-12-09 | 2015-04-29 | 苏州纵贯线换热器有限公司 | End cover for header pipe of micro-channel heat exchanger |
-
2010
- 2010-11-05 CN CN2010205958546U patent/CN201917263U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567110A (en) * | 2014-12-09 | 2015-04-29 | 苏州纵贯线换热器有限公司 | End cover for header pipe of micro-channel heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANHUA HOLDING GROUP CO., LTD. Free format text: FORMER OWNER: HANGZHOU SANHUA MICRO-CHANNEL HEAT EXCHANGER CO., LTD. Effective date: 20120718 Owner name: DANFOSS INC. Effective date: 20120718 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU SANHUA MICRO-CHANNEL HEAT EXCHANGER CO., Free format text: FORMER NAME: DANFOSS SANHUA (HANGZHOU) MICRO-CHANNEL HEAT EXCHANGER CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310018 HANGZHOU, ZHEJIANG PROVINCE TO: 312500 SHAOXING, ZHEJIANG PROVINCE |
|
| CP03 | Change of name, title or address |
Address after: 310018, No. 289-1, No. 12, Poplar Street, Hangzhou economic and Technological Development Zone, Zhejiang Patentee after: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289 Patentee before: DANFOSS SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120718 Address after: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Co-patentee after: DANFOSS A/S Patentee after: SANHUA HOLDING GROUP Co.,Ltd. Address before: 310018, No. 289-1, No. 12, Poplar Street, Hangzhou economic and Technological Development Zone, Zhejiang Patentee before: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Assignor: SANHUA HOLDING GROUP Co.,Ltd. Contract record no.: 2015990000010 Denomination of utility model: End cover of collecting pipe, collecting pipe comprising same and heat exchanger comprising collecting pipe Granted publication date: 20110803 License type: Common License Record date: 20150106 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU SANHUA MICRO CHANNEL HEAT EXCHANGER CO., Free format text: FORMER OWNER: SANHUA HOLDING GROUP CO., LTD. Effective date: 20150312 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 312500 SHAOXING, ZHEJIANG PROVINCE TO: 310018 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150312 Address after: 310018, No. 289-1, No. 12, Poplar Street, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee after: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Patentee after: DANFOSS A/S Address before: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Patentee before: SANHUA HOLDING GROUP Co.,Ltd. Patentee before: DANFOSS A/S |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |