CN204902656U - Heat exchanger, pressure manifold subassembly and interface switching subassembly - Google Patents

Heat exchanger, pressure manifold subassembly and interface switching subassembly Download PDF

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Publication number
CN204902656U
CN204902656U CN201520477319.3U CN201520477319U CN204902656U CN 204902656 U CN204902656 U CN 204902656U CN 201520477319 U CN201520477319 U CN 201520477319U CN 204902656 U CN204902656 U CN 204902656U
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China
Prior art keywords
mouthpiece
transfer tube
heat exchanger
header
welding hole
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CN201520477319.3U
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Chinese (zh)
Inventor
石志浩
刘西
陈立刚
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Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
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Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
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Application filed by Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd filed Critical Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
Priority to CN201520477319.3U priority Critical patent/CN204902656U/en
Priority claimed from PCT/CN2015/097738 external-priority patent/WO2016107422A1/en
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Publication of CN204902656U publication Critical patent/CN204902656U/en
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Abstract

The utility model discloses a mouth -piece of heat exchanger switching subassembly and having the pressure manifold subassembly and the heat exchanger of mouth -piece switching subassembly. A mouth -piece switching subassembly includes for the heat exchanger: the switching pipe, the switching pipe has first end and second end, and mouth -piece, the mouth -piece has first end and second end, the first end of mouth -piece with the second pot head of switching pipe is established and is welded each other, the first end of mouth -piece with it helps the welding hole to form on the pipe wall of at least one tip in the second end of switching pipe. The utility model discloses a mouth -piece switching subassembly has firm, advantages such as sealing performance is good, stable in structure, long service life of welding for the heat exchanger.

Description

Heat exchanger, flow collection pipe component and interface assembly
Technical field
The utility model relates to a kind of heat exchanger, relates to a kind of interface assembly, flow collection pipe component particularly and has the heat exchanger of above-mentioned interface assembly or flow collection pipe component.
Background technology
At existing heat exchanger, especially in the full aluminium heater of multichannel, when mouthpiece (entrance sleeve or discharge connection) is connected with the header of heat exchange core body, normally mouthpiece is directly welded with header, or mouthpiece welds with adapter, adapter welds with header again, but, in welding process, there is solder to be difficult to be filled between mouthpiece and adapter equably, between mouthpiece and header or between adapter and header, cavitations (namely in weld seam, there is pore) is generally there is in weld seam, significantly reduce whole welded reliability.
Utility model content
The utility model is made the understanding of the following fact and problem based on inventor.
Existing heat exchanger is when assembling, if mouthpiece is arranged on header by adapter, between header and adapter, then place solder part (such as solder ring) and between mouthpiece and adapter, place solder part, if mouthpiece is directly installed on header, then between header and mouthpiece, place solder part.Then, NB stove brazing mode is adopted to be welded together by above-mentioned parts.But, solder is difficult to be filled in equably between adapter and header, between mouthpiece and adapter, between mouthpiece and header, generally there is cavitations (namely in weld seam, there is pore) in weld seam, significantly reduce whole welded reliability.
After inventor in depth studies, find the reason producing the problems referred to above: due to when carrying out the weldering of NB slice, adapter, mouthpiece, the transfer block horizontal positioned of header, therefore not only cause the gap between this transfer block and adapter uneven, gap between adapter and mouthpiece is uneven, gap between this transfer block and mouthpiece is uneven, and cause adapter, mouthpiece produces radial displacement and axial displacement, solder is finally caused to be difficult to be filled between adapter and header equably, between mouthpiece and adapter, between mouthpiece and header and in weld seam, there is pore.
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, an object of the present utility model is to propose a kind of heat exchanger with advantages such as firm welding, good seal performance, Stability Analysis of Structures, long service life.
Another object of the present utility model is to propose a kind of interface conversion assembly.
An object more of the present utility model is to propose a kind of flow collection pipe component.
The mouthpiece adapter assembly for heat exchanger according to first aspect of the present utility model comprises: transfer tube, and described transfer tube has first end and the second end; And mouthpiece, described mouthpiece has first end and the second end, the first end of described mouthpiece and the second end of described transfer tube sheathed and be welded to one another, the tube wall of at least one end in the first end of described mouthpiece and the second end of described transfer tube is formed and helps welding hole.
There is according to the mouthpiece adapter assembly for heat exchanger of the present utility model the advantage of firm welding, good seal performance, Stability Analysis of Structures, long service life.
The described welding hole that helps is the through hole and/or the recess that are formed at least one end.
The described welding hole that helps is multiple.
The first end of described mouthpiece is engaged in the second end of described transfer tube, described in help the gross area of welding hole and described mouthpiece to be engaged in the outer circumferential area of the part in described transfer tube ratio be less than 70%.
Described ratio is in the scope of 3%-50%.
In the second end that the first end of described mouthpiece is engaged in described transfer tube and described in help welding hole to be formed on described mouthpiece.
Second end of described transfer tube is engaged in the first end of described mouthpiece, helps welding hole described in the second end of described transfer tube and the first end of described mouthpiece are all formed with.
The welding hole that helps on described transfer tube aligns in the radial direction of described transfer tube with the welding hole that helps on described mouthpiece.
The thermal coefficient of expansion of described transfer tube is greater than the thermal coefficient of expansion of described mouthpiece.
The external diameter of the second end that described transfer tube is engaged in described mouthpiece is less than the external diameter of the remainder of described transfer tube.
The cross section of the first end of described mouthpiece is non-circular, and the cross section of the endoporus of the second end of described transfer tube is circular.
The cross section of the first end of described mouthpiece is regular polygon.
Second end face of described transfer tube is provided with slot, and the first end of described mouthpiece inserts and is engaged in described slot, described in help welding hole be at least formed in the second end of described transfer tube and be communicated with described slot.
The flow collection pipe component for heat exchanger according to second aspect of the present utility model comprises: header, and the tube wall of described header is provided with installing hole; With mouthpiece adapter assembly, described mouthpiece adapter assembly is the mouthpiece adapter assembly for heat exchanger according to the utility model first aspect, and the first end of wherein said transfer tube to be engaged in described installing hole and to weld with described header.
The described first end helping welding hole to be also formed in described transfer tube.
The outer wall of the first end of described transfer tube is provided with step, and described step abuts in the outside wall surface of described header.
The flow collection pipe component for heat exchanger according to the third aspect of the present utility model comprises: header, and the tube wall of described header is provided with installing hole; And mouthpiece, described mouthpiece has first end and the second end, and the first end of described mouthpiece to be engaged in described installing hole and to weld with described header, and the first end of described mouthpiece is formed and helps welding hole.
According to the utility model second aspect and according to the utility model third aspect flow collection pipe component is comprised according to the heat exchanger of fourth aspect of the present utility model.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of the heat exchanger according to the utility model embodiment;
Fig. 2 is the partial sectional view of the heat exchanger according to the utility model embodiment;
Fig. 3 is the partial exploded view of the heat exchanger according to first embodiment of the present utility model;
Fig. 4 is the partial exploded view of the heat exchanger according to second embodiment of the present utility model;
Fig. 5 is the partial exploded view of the heat exchanger according to the 3rd embodiment of the present utility model;
Fig. 6 is the partial exploded view of the heat exchanger according to the 4th embodiment of the present utility model;
Fig. 7 is the partial exploded view of the heat exchanger according to the 5th embodiment of the present utility model;
Fig. 8 is the partial exploded view of the heat exchanger according to the 6th embodiment of the present utility model.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to the accompanying drawings heat exchanger 10 according to the utility model embodiment is described.As Figure 1-Figure 8, flow collection pipe component is comprised according to the heat exchanger 10 of the utility model embodiment.
As Figure 1-Figure 8, header 104 and mouthpiece adapter assembly is comprised according to the flow collection pipe component for heat exchanger 10 of the utility model embodiment.The tube wall of header 104 is provided with installing hole 1041.
The mouthpiece adapter assembly for heat exchanger 10 according to the utility model embodiment comprises transfer tube 101 and mouthpiece 102.Transfer tube 101 has first end 1011 and the second end 1012.Mouthpiece 102 has first end 1021 and the second end 1022, the first end 1021 of mouthpiece 102 is sheathed and be welded to one another with the second end 1012 of transfer tube 101, the tube wall of at least one end in the first end 1021 of mouthpiece 102 and the second end 1012 of transfer tube 101 is formed and helps welding hole 103.Wherein, the first end 1011 of transfer tube 101 is engaged in installing hole 1041, and the first end 1011 of transfer tube 101 welds with header 104.
The mouthpiece adapter assembly for heat exchanger 10 according to the utility model embodiment helps welding hole 103 by the tube wall of at least one end in the first end 1021 of mouthpiece 102 and the second end 1012 of transfer tube 101 is formed, thus when welding transfer tube 101 and mouthpiece 102, help welding hole 103 not only can strengthen capillary effect, promote that brazing flux flows further, make brazing flux can well cross flow on whole solder side, and make brazing flux fill whole solder side (contact surface), to obtain good brazing flux filling rate, ensure the connection area of welding, and the passage that air can be provided to discharge, to get rid of the air in brazing flux, reduce pore, strengthen weld strength, improve welding quality.Wherein, the welding quality of transfer tube 101 and mouthpiece 102 directly can be gone out from the appearance by naked eyes, contributes to the quality controlling product.
And, due to arrange help welding hole 103 to add brazing flux can the area of cross flow and seam contact surface area, therefore drastically increase welded follow-up service life and improve resistance to corrosion.
In the prior art, when welding transfer tube and mouthpiece, need to place weld-ring between transfer tube and mouthpiece.The mouthpiece adapter assembly for heat exchanger 10 according to the utility model embodiment helps welding hole 103 by the tube wall of at least one end in the first end 1021 of mouthpiece 102 and the second end 1012 of transfer tube 101 is formed, thus the use of weld-ring can be cancelled, avoid due to the failure welding that weld-ring is placed or the problem such as fixing causes, improve welding quality and control.
Therefore, according to the mouthpiece adapter assembly for heat exchanger 10 of the utility model embodiment, there is the advantages such as welding quality is good, weld strength is high, long service life, resistance to corrosion are strong.
Correspondingly, according to the flow collection pipe component for heat exchanger 10 of the utility model embodiment and heat exchanger 10, also there is the advantages such as welding quality is good, weld strength is high, long service life, resistance to corrosion are strong.
As Figure 1-Figure 8, can comprise the first header and the second header according to the heat exchanger 10 of embodiments more of the present utility model, this first header can be header 104 with each in this second header.In other words, this first header and each in this second header can be provided with installing hole 1041, this first header and each in this second header can be welded with transfer tube 101.
In an embodiment of the present utility model, as shown in Figure 7, welding hole 103 is helped also to be formed in the first end of transfer tube 101.In other words, the first end 1011 of transfer tube 101 is provided with and helps welding hole 103.
Welding hole 103 is helped by arranging on the first end 1011 of transfer tube 101, thus when welding transfer tube 101 and header 104, help welding hole 103 not only can strengthen capillary effect, promote that brazing flux flows further, make brazing flux can well cross flow on whole solder side, and make brazing flux fill whole solder side (contact surface), to obtain good brazing flux filling rate, ensure the connection area of welding, and the passage that air can be provided to discharge, to get rid of the air in brazing flux, reduce pore, strengthen weld strength, improve welding quality.Wherein, the welding quality of transfer tube 101 and header 104 directly can be gone out from the appearance by naked eyes, contributes to the quality controlling product.
And, due to arrange help welding hole 103 to add brazing flux can the area of cross flow and seam contact surface area, therefore drastically increase welded follow-up service life and improve resistance to corrosion.
In the prior art, when welding transfer tube and header, need to place weld-ring between transfer tube and header.Welding hole 103 is helped by arranging on the first end 1011 of transfer tube 101 according to the flow collection pipe component for heat exchanger 10 of the utility model embodiment and heat exchanger 10, thus the use of weld-ring can be cancelled, avoid due to the failure welding that weld-ring is placed or the problem such as fixing causes, improve welding quality and control.
Advantageously, the outer wall of the first end 1011 of transfer tube 101 is provided with step, and this step abuts in the outside wall surface of header 104.The structure of this flow collection pipe component and heat exchanger 10 can be made thus more reasonable.
Transfer tube 101 can be welded with mouthpiece 102.That is, heat exchanger 10 can comprise this first header and this second header, this first header and each in this second header can be welded with transfer tube 101, and this first header can weld together with mouthpiece 102 with the transfer tube 101 of welding in each in this second header.In other words, heat exchanger 10 can comprise two flow collection pipe components, the mouthpiece 102 that a flow collection pipe component comprises this first header, is welded on the transfer tube 101 on this first header and is welded on this transfer tube 101, the mouthpiece 102 that another flow collection pipe component comprises this second header, is welded on the transfer tube 101 on this second header and is welded on this transfer tube 101.
Specifically, the first end 1021 of mouthpiece 102 is sheathed with the second end 1012 of transfer tube 101.That is, in an example of the present utility model, the first end 1021 of mouthpiece 102 is located in the second end 1012 of transfer tube 101, and namely the second end 1012 of transfer tube 101 is sleeved on the first end 1021 of mouthpiece 102.In another example of the present utility model, the second end 1012 of transfer tube 101 is located in the first end 1021 of mouthpiece 102, and namely the first end 1021 of mouthpiece 102 is sleeved on the second end 1012 of transfer tube 101.
The tube wall of the tube wall of the first end 1021 of mouthpiece 102 and/or the second end 1012 of transfer tube 101 is provided with and helps welding hole 103.That is, the tube wall of the first end 1021 of mouthpiece 102 is provided with to help welding hole 103 and the tube wall of the second end 1012 of transfer tube 101 is not arranged and helps welding hole 103, or the tube wall of the second end 1012 of transfer tube 101 is provided with to help welding hole 103 and the tube wall of the first end 1021 of mouthpiece 102 is not arranged and helps welding hole 103, or the tube wall of the first end 1021 of mouthpiece 102 is provided with and helps welding hole 103 and the tube wall of the second end 1012 of transfer tube 101 is provided with and helps welding hole 103.
Advantageously, the tube wall of the first end 1021 of mouthpiece 102 is provided with and multiplely helps the tube wall of the second end 1012 of welding hole 103 and/or transfer tube 101 to be provided with multiplely to help welding hole 103.Wherein, each helping in welding hole 103 multiple is through hole or recess, or multiplely helps the part in welding hole 103 to be through hole and multiplely help the remainder in welding hole 103 to be recess.
Wherein, this recess can be semicircle, cabinet shape, triangle, trapezoidal or zigzag etc.
Multiple welding hole 103 that helps can distribute equably in the circumference of transfer tube 101 and/or in the circumference of mouthpiece 102, and multiple welding hole 103 that helps also can top-bottom cross distribution in the circumference of transfer tube 101 and/or in the circumference of mouthpiece 102.
As shown in Figure 3-Figure 5, in examples more of the present utility model, the first end 1021 of mouthpiece 102 is engaged in the second end 1012 of transfer tube 101, and the tube wall of the first end 1021 of mouthpiece 102 is provided with and helps welding hole 103.Help welding hole 103 for through hole (as shown in Figure 3) or recess (as shown in Figure 4).
Wherein, the ratio helping the gross area of welding hole 103 and mouthpiece 102 to be engaged in the outer circumferential area of the part in transfer tube 101 is less than 70%.Can guarantee that brazing flux cross flow under capillary effect, on whole solder side, thus can obtain better brazing flux filling rate thus further, and then weld strength can be improved further.
Advantageously, the gross area of welding hole 103 and mouthpiece 102 is helped to be engaged in the ratio of the outer circumferential area of the part in transfer tube 101 in the scope of 3%-50%.In other words, the ratio helping the gross area of welding hole 103 and mouthpiece 102 to be engaged in the outer circumferential area of the part in transfer tube 101 is more than or equal to 3% and is less than or equal to 50%.Can guarantee that brazing flux cross flow under capillary effect, on whole solder side, thus obtains better brazing flux filling rate thus further, and then weld strength can be improved further.
In an example of the present utility model, the cross section of the first end 1021 of mouthpiece 102 is non-circular, and the cross section of the endoporus of the second end 1012 of transfer tube 101 is circular.Thus when the first end 1021 of mouthpiece 102 is engaged in the second end 1012 of transfer tube 101, gap is formed between the internal face of transfer tube 101 and the outside wall surface of mouthpiece 102, this gap can produce capillary effect to the brazing flux of fusing when welding transfer tube 101 and mouthpiece 102, promote that brazing flux flows further, make brazing flux can better cross flow on whole solder side, and make brazing flux fill whole solder side (contact surface), to obtain good brazing flux filling rate, ensure the connection area of welding, and the passage that air can be provided to discharge, to get rid of the air in brazing flux, reduce pore, strengthen weld strength, improve welding quality.
That is, this gap and help welding hole 103 all to fusing brazing flux produce capillary effect, promote brazing flux flowing.Help welding hole 103 to absorb brazing flux and fill the inside helping welding hole 103, improve weld strength.
In addition, in another example of the present utility model, the cross section of the first end 1021 of mouthpiece 102 is circular, and the cross section of the endoporus of the second end 1012 of transfer tube 101 is non-circular.Thus when the first end 1021 of mouthpiece 102 is engaged in the second end 1012 of transfer tube 101, also gap can be formed between the internal face of transfer tube 101 and the outside wall surface of mouthpiece 102, this gap can produce capillary effect to the brazing flux of fusing when welding transfer tube 101 and mouthpiece 102, promotes that brazing flux flows further.
Advantageously, this is non-circular can be polygon.Advantageously, this polygonal limit number is more than or equal to 5.
As shown in Figure 5, the cross section of the first end 1021 of mouthpiece 102 is regular polygon.The structure of heat exchanger 10 can be made thus more reasonable.
As shown in Figure 6, the tube wall of the first end 1021 of mouthpiece 102 is provided with and helps welding hole 103, and the tube wall of the second end 1012 of transfer tube 101 is provided with and helps welding hole 103.Advantageously, when the second end 1012 of transfer tube 101 and the first end 1021 of mouthpiece 102 all formed help welding hole 103 time, the second end 1012 of transfer tube 101 is engaged in the first end 1021 of mouthpiece 102.
In a concrete example of the present utility model, be formed on the tube wall of the second end 1012 of transfer tube 101 help welding hole 103 be formed in mouthpiece 102 first end 1021 tube wall on the welding hole 103 that helps align in the radial direction of transfer tube 101.Not only can promote that brazing flux flows further thus, and the air in brazing flux can be got rid of more, reduce pore further.
Advantageously, the thermal coefficient of expansion of transfer tube 101 is greater than the thermal coefficient of expansion of mouthpiece 102.Transfer tube 101 and mouthpiece 102 can be welded together more securely thus, improve the weld strength of this mouthpiece adapter assembly.
As shown in Figure 6, the external diameter of the second end 1012 that transfer tube 101 is engaged in mouthpiece 102 is less than the external diameter of the remainder of transfer tube 101.Thus transfer tube 101 can form stage portion, when the second end 1012 of transfer tube 101 is engaged in mouthpiece 102, mouthpiece 102 can be resisted against in this stage portion.As shown in Figure 6, the tube wall of the second end 1012 of transfer tube 101 is provided with and helps welding hole 103, the tube wall of the first end 1021 of mouthpiece 102 is also provided with and helps welding hole 103.By forming stage portion and make mouthpiece 102 be resisted against in this stage portion on transfer tube 101, thus can make on the tube wall of the second end 1012 being formed in transfer tube 101 help welding hole 103 be formed in mouthpiece 102 first end 1021 tube wall on the welding hole 103 that helps align in the radial direction of transfer tube 101 more easily, accurately.
In an embodiment of the present utility model, as shown in Figure 2, the second end face of transfer tube 101 is provided with slot, and the first end 1021 of mouthpiece 102 inserts and is engaged in this slot, help welding hole 103 to be at least formed in the second end 1021 of transfer tube 101, and help welding hole 103 to be communicated with this slot.By being provided with slot on the second end face of transfer tube 101, thus transfer tube 101 and mouthpiece 102 can be made to be combined together more easily, easily.
The utility model additionally provides another kind of heat exchanger 10.As shown in Figure 8, comprise the flow collection pipe component for heat exchanger 10 according to the heat exchanger 10 of another embodiment of the present utility model, this flow collection pipe component comprises header 104 and mouthpiece 102.The tube wall of header 104 is provided with installing hole 1041, mouthpiece 102 has first end 1021 and the second end 1022, the first end 1021 of mouthpiece 102 to be engaged in installing hole 1041 and to weld with header 104, and the first end 1021 of mouthpiece 102 is formed and helps welding hole 103.
That is, in this embodiment, this flow collection pipe component does not comprise transfer tube 101, but is directly welded on header 104 by mouthpiece 102.
The flow collection pipe component for heat exchanger 10 according to the utility model embodiment helps welding hole 103 by being formed on the first end 1021 of mouthpiece 102, thus when welding header 104 and mouthpiece 102, help welding hole 103 not only can strengthen capillary effect, promote that brazing flux flows further, make brazing flux can well cross flow on whole solder side, and make brazing flux fill whole solder side (contact surface), to obtain good brazing flux filling rate, ensure the connection area of welding, and the passage that air can be provided to discharge, to get rid of the air in brazing flux, reduce pore, strengthen weld strength, improve welding quality.Wherein, the welding quality of header 104 and mouthpiece 102 directly can be gone out from the appearance by naked eyes, contributes to the quality controlling product.
And, due to arrange help welding hole 103 to add brazing flux can the area of cross flow and seam contact surface area, therefore drastically increase welded follow-up service life and improve resistance to corrosion.
In the prior art, when welding header and mouthpiece, need to place weld-ring between header and mouthpiece.The flow collection pipe component for heat exchanger 10 according to the utility model embodiment helps welding hole 103 by being formed on the first end 1021 of mouthpiece 102, thus the use of weld-ring can be cancelled, avoid due to the failure welding that weld-ring is placed or the problem such as fixing causes, improve welding quality and control.
Therefore, according to the flow collection pipe component for heat exchanger 10 of the utility model embodiment, there is the advantages such as welding quality is good, weld strength is high, long service life, resistance to corrosion are strong.
Correspondingly, according to the heat exchanger 10 of the utility model embodiment, also there is the advantages such as welding quality is good, weld strength is high, long service life, resistance to corrosion are strong.

Claims (18)

1., for a mouthpiece adapter assembly for heat exchanger, it is characterized in that, comprising:
Transfer tube, described transfer tube has first end and the second end; With
Mouthpiece, described mouthpiece has first end and the second end, the first end of described mouthpiece and the second end of described transfer tube sheathed and be welded to one another, the tube wall of at least one end in the first end of described mouthpiece and the second end of described transfer tube is formed and helps welding hole.
2. the mouthpiece adapter assembly for heat exchanger according to claim 1, is characterized in that, described in help welding hole to be the through hole and/or the recess that are formed at least one end.
3. the mouthpiece adapter assembly for heat exchanger according to claim 1, is characterized in that, described in help welding hole to be multiple.
4. the mouthpiece adapter assembly for heat exchanger according to claim 1, it is characterized in that, the first end of described mouthpiece is engaged in the second end of described transfer tube, described in help the gross area of welding hole and described mouthpiece to be engaged in the outer circumferential area of the part in described transfer tube ratio be less than 70%.
5. the mouthpiece adapter assembly for heat exchanger according to claim 4, it is characterized in that, described ratio is in the scope of 3%-50%.
6. the mouthpiece adapter assembly for heat exchanger according to claim 1, is characterized in that, in the second end that the first end of described mouthpiece is engaged in described transfer tube and described in help welding hole to be formed on described mouthpiece.
7. the mouthpiece adapter assembly for heat exchanger according to claim 1, it is characterized in that, second end of described transfer tube is engaged in the first end of described mouthpiece, helps welding hole described in the second end of described transfer tube and the first end of described mouthpiece are all formed with.
8. the mouthpiece adapter assembly for heat exchanger according to claim 7, is characterized in that, the welding hole that helps on described transfer tube aligns in the radial direction of described transfer tube with the welding hole that helps on described mouthpiece.
9. the mouthpiece adapter assembly for heat exchanger according to claim 7, is characterized in that, the thermal coefficient of expansion of described transfer tube is greater than the thermal coefficient of expansion of described mouthpiece.
10. the mouthpiece adapter assembly for heat exchanger according to claim 7, is characterized in that, the external diameter of the second end that described transfer tube is engaged in described mouthpiece is less than the external diameter of the remainder of described transfer tube.
The 11. mouthpiece assemblies for heat exchanger according to claim 6, is characterized in that, the cross section of the first end of described mouthpiece is non-circular, and the cross section of the endoporus of the second end of described transfer tube is circular.
The 12. mouthpiece adapter assemblies for heat exchanger according to claim 11, is characterized in that, the cross section of the first end of described mouthpiece is regular polygon.
The 13. mouthpiece adapter assemblies for heat exchanger according to claim 1, it is characterized in that, second end face of described transfer tube is provided with slot, the first end of described mouthpiece inserts and is engaged in described slot, described in help welding hole be at least formed in the second end of described transfer tube and be communicated with described slot.
14. 1 kinds for the flow collection pipe component of heat exchanger, is characterized in that, comprising:
Header, the tube wall of described header is provided with installing hole; With
Mouthpiece adapter assembly, described mouthpiece adapter assembly is the mouthpiece adapter assembly for heat exchanger according to any one of claim 1-13, and the first end of wherein said transfer tube to be engaged in described installing hole and to weld with described header.
15. flow collection pipe components for heat exchanger according to claim 14, is characterized in that, described in help welding hole to be also formed in the first end of described transfer tube.
16. flow collection pipe components for heat exchanger according to claim 14, it is characterized in that, the outer wall of the first end of described transfer tube is provided with step, and described step abuts in the outside wall surface of described header.
17. 1 kinds for the flow collection pipe component of heat exchanger, is characterized in that, comprising:
Header, the tube wall of described header is provided with installing hole; With
Mouthpiece, described mouthpiece has first end and the second end, and the first end of described mouthpiece to be engaged in described installing hole and to weld with described header, and the first end of described mouthpiece is formed and helps welding hole.
18. 1 kinds of heat exchangers, is characterized in that, comprise flow collection pipe component according to any one of claim 14-17.
CN201520477319.3U 2015-06-30 2015-06-30 Heat exchanger, pressure manifold subassembly and interface switching subassembly Active CN204902656U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520477319.3U CN204902656U (en) 2015-06-30 2015-06-30 Heat exchanger, pressure manifold subassembly and interface switching subassembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201520477319.3U CN204902656U (en) 2015-06-30 2015-06-30 Heat exchanger, pressure manifold subassembly and interface switching subassembly
PCT/CN2015/097738 WO2016107422A1 (en) 2014-12-29 2015-12-17 Heat exchanger and collecting pipe assembly thereof

Publications (1)

Publication Number Publication Date
CN204902656U true CN204902656U (en) 2015-12-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108195211A (en) * 2017-12-27 2018-06-22 胡宇妠 A kind of chemical industry is used convenient for cleaning-type tubulation heat-exchanger rig

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108195211A (en) * 2017-12-27 2018-06-22 胡宇妠 A kind of chemical industry is used convenient for cleaning-type tubulation heat-exchanger rig
CN108195211B (en) * 2017-12-27 2019-11-05 浙江赫德科技有限公司 A kind of chemical industry, which is used, is convenient for cleaning-type tubulation heat-exchanger rig

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