WO2017020738A1 - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- WO2017020738A1 WO2017020738A1 PCT/CN2016/091515 CN2016091515W WO2017020738A1 WO 2017020738 A1 WO2017020738 A1 WO 2017020738A1 CN 2016091515 W CN2016091515 W CN 2016091515W WO 2017020738 A1 WO2017020738 A1 WO 2017020738A1
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- WIPO (PCT)
- Prior art keywords
- solder
- heat exchange
- heat exchanger
- exchange tube
- corrosion
- Prior art date
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
Definitions
- Embodiments of the invention relate to a heat exchanger.
- Existing heat exchangers such as parallel flow heat exchangers, microchannel heat exchangers include fins, heat exchange tubes such as flat tubes, and headers.
- a heat exchanger comprising: a heat exchange tube; a header having an opening inserted into an end of the heat exchange tube, the collector tube passing through the brazing Soldering the solder by the solder fill region on the outer surface of the header surrounding the outer surface of the heat exchange tube and the heat exchange tube, and the outer surface of the solder in the solder fill region constitutes a portion of the outer surface of the header; And an anti-corrosion coating disposed on at least a portion of at least one of an outer surface of the heat exchange tube and an outer surface of the header.
- the anti-corrosion coating is disposed on the outer surface of the solder of the solder fill region, and the current collecting on the outer surface of the header within a first predetermined distance from the outer edge of the outer surface of the solder of the solder fill region
- the tube corrosion prevention zone and at least a portion of at least one of the heat exchange tube corrosion protection zones on the outer surface of the heat exchange tube within a second predetermined distance from the outer surface of the solder of the solder fill zone is disposed on the outer surface of the solder of the solder fill region, and the current collecting on the outer surface of the header within a first predetermined distance from the outer edge of the outer surface of the solder of the solder fill region.
- the anti-corrosion coating covers at least the outer surface of the solder of the solder fill region.
- the anti-corrosion coating covers the outer surface of the solder of the solder fill region and the collector corrosion protection region on the outer surface of the header.
- the anticorrosive coating covers the outer surface of the solder in the solder fill region, the collector corrosion prevention region on the outer surface of the header, and the heat exchange tube corrosion prevention region on the outer surface of the heat exchange tube. .
- the outer surface of the solder of the solder fill region, the collector corrosion prevention region, and the heat exchange tube corrosion protection region are annular.
- the first predetermined distance is less than 3 times a maximum width of an outer surface of the solder of the solder fill region and the second predetermined distance is smaller than a maximum outer surface of the solder of the solder fill region 1 times the width.
- the corrosion resistant coating is disposed on a portion of the outer surface of the heat exchange tube and at least a portion of the outer surface of the header.
- the anti-corrosion coating is disposed on a portion of the outer surface of the heat exchange tube and the outer surface of the entire header.
- the anti-corrosion coating is disposed on the outer surface of the heat exchange tube on the outer surface of the heat exchange tube within a second predetermined distance from the outer surface of the solder of the solder fill region and the outer surface of the entire header on.
- the anticorrosive coating is made of at least one of a resin coating, a water lacquer, an oil lacquer, a Ni-P alloy coating, a chemical conversion treatment agent, an oxide, and a cement.
- the heat exchange tube is a flat tube or an elliptical tube.
- the heat exchanger is a parallel flow heat exchanger or a microchannel heat exchanger.
- a corrosion-resistant coating is formed only at a welded portion of a heat exchange tube such as a flat tube and a header, and the state of other regions remains unchanged, greatly reducing the coating cost of the heat exchanger. Moreover, the heat exchange tube and the collecting tube are not involved in heat exchange, and the heat transfer resistance of the heat exchanger is not increased, and the heat exchange performance of the heat exchanger is not affected.
- FIG. 1 is a schematic view of a heat exchanger in accordance with an embodiment of the present invention.
- FIG. 2 is a partially enlarged schematic perspective view of a heat exchanger before an anti-corrosion coating is formed, in accordance with an embodiment of the present invention.
- FIG 3 is a partially enlarged schematic perspective view of a heat exchanger after forming an anti-corrosion coating in accordance with an embodiment of the present invention.
- Partial magnification shows a top view.
- Figure 5 is a partially enlarged schematic cross-sectional view of a heat exchanger after forming an anti-corrosion coating in accordance with an embodiment of the present invention.
- a heat exchanger 100 includes a header 10, a heat exchange tube 20, and fins 30 disposed between the heat exchange tubes 20.
- the heat exchanger 100 can be a parallel flow heat exchanger or a microchannel heat exchanger.
- the heat exchange tube 20 can be a flat tube or an elliptical tube.
- the header 10 has an opening 11 inserted into an end of the heat transfer tube 20, and the header 10 is brazed by a header 10 surrounding the outer surface of the heat transfer tube 20.
- the solder of the solder fill region 40 on the surface (adjacent to the opening 11) is joined to the heat exchange tube 20, and the outer surface of the solder of the solder fill region 40 constitutes a portion of the outer surface of the header 10.
- the heat exchanger 100 further includes an anti-corrosion coating 50 disposed on at least a portion of at least one of an outer surface of the heat exchange tube 20 and an outer surface of the header 10.
- an anti-corrosion coating 50 is disposed within the first predetermined distance of the outer surface of the solder of the solder fill region 40, the outer edge of the outer surface of the solder of the solder fill region 40, in accordance with an embodiment of the present invention.
- the heat exchanger tube corrosion prevention zone 70 on the outer surface of the heat exchange tube 20 within the second predetermined distance of the collector corrosion prevention zone 60 on the outer surface of the header 10 and the outer surface of the solder from the solder fill zone 40 At least a portion of at least one of the.
- the first predetermined distance is less than 3 times the maximum width of the outer surface of the solder of the solder fill region 40 and the second predetermined distance is less than 1 times the maximum width of the outer surface of the solder of the solder fill region 40.
- the anti-corrosion coating 50 covers at least the outer surface of the solder of the solder fill region 40, for example, the anti-corrosion coating 50 covers the outer surface of the solder of the solder fill region 40 and the outer surface of the header 10.
- the collector corrosion prevention zone 60, or the anti-corrosion coating 50 covers the outer surface of the solder of the solder fill zone 40, the collector corrosion protection zone 60 on the outer surface of the header 10, and the outer surface of the heat transfer tube 20.
- the heat exchange tube corrosion protection zone 70 covers the outer surface of the solder of the solder fill zone 40, the collector corrosion protection zone 60 on the outer surface of the header 10, and the outer surface of the heat transfer tube 20.
- the outer surface of the solder of the solder fill region 40, the collector corrosion protection region 60, and the heat exchange tube corrosion protection region 70 are annular.
- the anti-corrosion coating 50 covers a portion of the outer surface of the heat exchange tube 20 adjacent to the outer surface of the solder of the solder fill region 40 and an outer surface of the header 10 adjacent to the outer surface of the solder of the solder fill region 40. section.
- the anti-corrosion coating 50 is disposed on a portion of the outer surface of the heat exchange tube 20 and at least a portion of the outer surface of the header 10.
- the anti-corrosion coating 50 is disposed on a portion of the outer surface of the heat exchange tube 20 and the outer surface of the entire header 10; or the anti-corrosion coating 50 is disposed on the outer surface of the solder from the solder filling region 40 for a second predetermined
- the heat exchange tube corrosion prevention zone 70 on the outer surface of the heat exchange tube 20 within the distance and the outer surface of the entire header 10 are located.
- the anticorrosive coating 50 may be made of at least one of a resin coating, a water lacquer, an oil lacquer, a Ni-P alloy coating, a chemical conversion treatment agent, an oxide, and a cement.
- the coating cost of the heat exchanger can be greatly reduced.
- the heat resistance of the heat exchanger is not increased, and the performance of the heat exchanger can be effectively improved.
- the problem of uneven coating is not caused, and the life of the heat exchanger can be effectively increased.
Abstract
Disclosed is a heat exchanger (100), comprising a heat exchange tube (20), a collecting pipe (10) and a corrosion resistant coating (50). The collecting pipe (10) has an opening (11) inserted into an end portion of the heat exchange tube (20). The collecting pipe (10) is connected together with the heat exchange tube (20) via solder in a solder filling area (40) at the outer surface of the collecting pipe (10) surrounding the outer surface of the heat exchange tube (20) by brazing. The outer surface of solder in the solder filling area (40) constitutes a part of the outer surface of the collecting pipe (10). The corrosion resistant coating (50) is arranged at at least a part of at least one of the outer surface of the heat exchange tube (20) and the outer surface of the collecting pipe (10). The coating cost of the heat exchanger (100) is greatly reduced by forming the corrosion resistant coating only at the soldering points of the heat exchange tube (20) in a flat tube form with the collecting pipe (10) and keeping the state of other areas unchanged. The soldering points of the heat exchange tube (20) with the collecting pipe (10) do not participate in heat transfer, and the heat transfer resistance of the heat exchanger (100) is unchanged, so as not to affect the heat exchange performance of the heat exchanger (100).
Description
本发明的实施例涉及一种换热器。Embodiments of the invention relate to a heat exchanger.
现有的诸如平行流换热器、微通道换热器的换热器包括翅片、诸如扁管的换热管以及集流管。Existing heat exchangers such as parallel flow heat exchangers, microchannel heat exchangers include fins, heat exchange tubes such as flat tubes, and headers.
发明内容Summary of the invention
本发明的实施例的目的是提供一种换热器,该换热器例如能够以低成本有效地防腐。It is an object of embodiments of the present invention to provide a heat exchanger that can be effectively preserved, for example, at low cost.
根据本发明的实施例,提供了一种换热器,该换热器包括:换热管;集流管,所述集流管具有插入换热管的端部的开口,集流管通过钎焊由围绕换热管的外表面的集流管的外表面上的焊料填充区的焊料与换热管连接在一起,且焊料填充区的焊料的外表面构成集流管的外表面的一部分;以及防腐蚀涂层,防腐蚀涂层设置在换热管的外表面和集流管的外表面中的至少一个的至少一部分上。According to an embodiment of the present invention, there is provided a heat exchanger comprising: a heat exchange tube; a header having an opening inserted into an end of the heat exchange tube, the collector tube passing through the brazing Soldering the solder by the solder fill region on the outer surface of the header surrounding the outer surface of the heat exchange tube and the heat exchange tube, and the outer surface of the solder in the solder fill region constitutes a portion of the outer surface of the header; And an anti-corrosion coating disposed on at least a portion of at least one of an outer surface of the heat exchange tube and an outer surface of the header.
根据本发明的实施例,防腐蚀涂层设置在焊料填充区的焊料的外表面、距离焊料填充区的焊料的外表面的外边缘第一预定距离内的集流管的外表面上的集流管防腐蚀区和距离焊料填充区的焊料的外表面第二预定距离内的换热管的外表面上的换热管防腐蚀区中的至少一个的至少一部分上。According to an embodiment of the present invention, the anti-corrosion coating is disposed on the outer surface of the solder of the solder fill region, and the current collecting on the outer surface of the header within a first predetermined distance from the outer edge of the outer surface of the solder of the solder fill region The tube corrosion prevention zone and at least a portion of at least one of the heat exchange tube corrosion protection zones on the outer surface of the heat exchange tube within a second predetermined distance from the outer surface of the solder of the solder fill zone.
根据本发明的实施例,防腐蚀涂层至少覆盖焊料填充区的焊料的外表面。According to an embodiment of the invention, the anti-corrosion coating covers at least the outer surface of the solder of the solder fill region.
根据本发明的实施例,防腐蚀涂层覆盖焊料填充区的焊料的外表面和集流管的外表面上的集流管防腐蚀区。In accordance with an embodiment of the present invention, the anti-corrosion coating covers the outer surface of the solder of the solder fill region and the collector corrosion protection region on the outer surface of the header.
根据本发明的实施例,防腐蚀涂层覆盖焊料填充区的焊料的外表面、集流管的外表面上的集流管防腐蚀区和换热管的外表面上的换热管防腐蚀区。
According to an embodiment of the invention, the anticorrosive coating covers the outer surface of the solder in the solder fill region, the collector corrosion prevention region on the outer surface of the header, and the heat exchange tube corrosion prevention region on the outer surface of the heat exchange tube. .
根据本发明的实施例,所述焊料填充区的焊料的外表面、集流管防腐蚀区以及换热管防腐蚀区是环形的。According to an embodiment of the invention, the outer surface of the solder of the solder fill region, the collector corrosion prevention region, and the heat exchange tube corrosion protection region are annular.
根据本发明的实施例,所述第一预定距离小于所述焊料填充区的焊料的外表面的最大宽度的3倍且所述第二预定距离小于所述焊料填充区的焊料的外表面的最大宽度的1倍。According to an embodiment of the present invention, the first predetermined distance is less than 3 times a maximum width of an outer surface of the solder of the solder fill region and the second predetermined distance is smaller than a maximum outer surface of the solder of the solder fill region 1 times the width.
根据本发明的实施例,防腐蚀涂层设置在换热管的外表面的一部分和集流管的外表面的至少一部分上。According to an embodiment of the invention, the corrosion resistant coating is disposed on a portion of the outer surface of the heat exchange tube and at least a portion of the outer surface of the header.
根据本发明的实施例,防腐蚀涂层设置在换热管的外表面的一部分和整个集流管的外表面上。According to an embodiment of the invention, the anti-corrosion coating is disposed on a portion of the outer surface of the heat exchange tube and the outer surface of the entire header.
根据本发明的实施例,防腐蚀涂层设置在距离焊料填充区的焊料的外表面第二预定距离内的换热管的外表面上的换热管防腐蚀区和整个集流管的外表面上。According to an embodiment of the invention, the anti-corrosion coating is disposed on the outer surface of the heat exchange tube on the outer surface of the heat exchange tube within a second predetermined distance from the outer surface of the solder of the solder fill region and the outer surface of the entire header on.
根据本发明的实施例,所述防腐蚀涂层由树脂涂料、水性漆、油性漆、Ni-P合金涂层、化学转化处理剂、氧化物和胶泥中的至少一种制成。According to an embodiment of the present invention, the anticorrosive coating is made of at least one of a resin coating, a water lacquer, an oil lacquer, a Ni-P alloy coating, a chemical conversion treatment agent, an oxide, and a cement.
根据本发明的实施例,所述换热管是扁管或椭圆管。According to an embodiment of the invention, the heat exchange tube is a flat tube or an elliptical tube.
根据本发明的实施例,所述换热器是平行流换热器或微通道换热器。According to an embodiment of the invention, the heat exchanger is a parallel flow heat exchanger or a microchannel heat exchanger.
根据本发明的实施例,只在诸如扁管的换热管与集流管焊接处形成耐腐蚀涂层,其它区域的状态保持不变,大大降低了换热器的涂层成本。而且,换热管与集流管焊接处不参与换热,没有增加换热器的传热热阻,对换热器的换热性能没有影响。According to an embodiment of the present invention, a corrosion-resistant coating is formed only at a welded portion of a heat exchange tube such as a flat tube and a header, and the state of other regions remains unchanged, greatly reducing the coating cost of the heat exchanger. Moreover, the heat exchange tube and the collecting tube are not involved in heat exchange, and the heat transfer resistance of the heat exchanger is not increased, and the heat exchange performance of the heat exchanger is not affected.
图1是根据本发明的实施例的换热器的示意图。1 is a schematic view of a heat exchanger in accordance with an embodiment of the present invention.
图2是根据本发明的实施例的换热器在没有形成防腐蚀涂层之前的局部放大示意立体图。2 is a partially enlarged schematic perspective view of a heat exchanger before an anti-corrosion coating is formed, in accordance with an embodiment of the present invention.
图3是根据本发明的实施例的换热器在形成防腐蚀涂层之后的局部放大示意立体图。3 is a partially enlarged schematic perspective view of a heat exchanger after forming an anti-corrosion coating in accordance with an embodiment of the present invention.
图4是根据本发明的实施例的换热器在形成防腐蚀涂层之后的
局部放大示意俯视图。4 is a view of a heat exchanger after forming an anti-corrosion coating according to an embodiment of the present invention
Partial magnification shows a top view.
图5是根据本发明的实施例的换热器在形成防腐蚀涂层之后的局部放大示意剖视图。Figure 5 is a partially enlarged schematic cross-sectional view of a heat exchanger after forming an anti-corrosion coating in accordance with an embodiment of the present invention.
下面结合附图及具体实施方式对本发明做进一步说明。The invention will be further described below in conjunction with the drawings and specific embodiments.
如图1所示,根据本发明的实施例的换热器100包括集流管10,换热管20以及设置在换热管20之间的翅片30。所述换热器100可以是平行流换热器或微通道换热器。所述换热管20可以是扁管或椭圆管。As shown in FIG. 1, a heat exchanger 100 according to an embodiment of the present invention includes a header 10, a heat exchange tube 20, and fins 30 disposed between the heat exchange tubes 20. The heat exchanger 100 can be a parallel flow heat exchanger or a microchannel heat exchanger. The heat exchange tube 20 can be a flat tube or an elliptical tube.
如图2至5所示,所述集流管10具有插入换热管20的端部的开口11,集流管10通过钎焊由围绕换热管20的外表面的集流管10的外表面上(与开口11相邻)的焊料填充区40的焊料与换热管20连接在一起,且焊料填充区40的焊料的外表面构成集流管10的外表面的一部分。换热器100还包括防腐蚀涂层50,防腐蚀涂层50设置在换热管20的外表面和集流管10的外表面中的至少一个的至少一部分上。As shown in FIGS. 2 to 5, the header 10 has an opening 11 inserted into an end of the heat transfer tube 20, and the header 10 is brazed by a header 10 surrounding the outer surface of the heat transfer tube 20. The solder of the solder fill region 40 on the surface (adjacent to the opening 11) is joined to the heat exchange tube 20, and the outer surface of the solder of the solder fill region 40 constitutes a portion of the outer surface of the header 10. The heat exchanger 100 further includes an anti-corrosion coating 50 disposed on at least a portion of at least one of an outer surface of the heat exchange tube 20 and an outer surface of the header 10.
如图2至5所示,根据本发明的实施例,防腐蚀涂层50设置在焊料填充区40的焊料的外表面、距离焊料填充区40的焊料的外表面的外边缘第一预定距离内的集流管10的外表面上的集流管防腐蚀区60和距离焊料填充区40的焊料的外表面第二预定距离内的换热管20的外表面上的换热管防腐蚀区70中的至少一个的至少一部分上。例如,所述第一预定距离小于焊料填充区40的焊料的外表面的最大宽度的3倍且所述第二预定距离小于焊料填充区40的焊料的外表面的最大宽度的1倍。As shown in FIGS. 2 through 5, an anti-corrosion coating 50 is disposed within the first predetermined distance of the outer surface of the solder of the solder fill region 40, the outer edge of the outer surface of the solder of the solder fill region 40, in accordance with an embodiment of the present invention. The heat exchanger tube corrosion prevention zone 70 on the outer surface of the heat exchange tube 20 within the second predetermined distance of the collector corrosion prevention zone 60 on the outer surface of the header 10 and the outer surface of the solder from the solder fill zone 40 At least a portion of at least one of the. For example, the first predetermined distance is less than 3 times the maximum width of the outer surface of the solder of the solder fill region 40 and the second predetermined distance is less than 1 times the maximum width of the outer surface of the solder of the solder fill region 40.
根据本发明的示例,防腐蚀涂层50至少覆盖焊料填充区40的焊料的外表面,例如,防腐蚀涂层50覆盖焊料填充区40的焊料的外表面和集流管10的外表面上的集流管防腐蚀区60,或者防腐蚀涂层50覆盖焊料填充区40的焊料的外表面、集流管10的外表面上的集流管防腐蚀区60和换热管20的外表面上的换热管防腐蚀区70。
According to an example of the present invention, the anti-corrosion coating 50 covers at least the outer surface of the solder of the solder fill region 40, for example, the anti-corrosion coating 50 covers the outer surface of the solder of the solder fill region 40 and the outer surface of the header 10. The collector corrosion prevention zone 60, or the anti-corrosion coating 50 covers the outer surface of the solder of the solder fill zone 40, the collector corrosion protection zone 60 on the outer surface of the header 10, and the outer surface of the heat transfer tube 20. The heat exchange tube corrosion protection zone 70.
参见图3至5,焊料填充区40的焊料的外表面、集流管防腐蚀区60以及换热管防腐蚀区70是环形的。防腐蚀涂层50覆盖与焊料填充区40的焊料的外表面相邻的换热管20的外表面的部分和与焊料填充区40的焊料的外表面相邻的集流管10的外表面的部分。Referring to Figures 3 through 5, the outer surface of the solder of the solder fill region 40, the collector corrosion protection region 60, and the heat exchange tube corrosion protection region 70 are annular. The anti-corrosion coating 50 covers a portion of the outer surface of the heat exchange tube 20 adjacent to the outer surface of the solder of the solder fill region 40 and an outer surface of the header 10 adjacent to the outer surface of the solder of the solder fill region 40. section.
根据本发明的实施例,防腐蚀涂层50设置在换热管20的外表面的一部分和集流管10的外表面的至少一部分上。例如,防腐蚀涂层50设置在换热管20的外表面的一部分和整个集流管10的外表面上;或者防腐蚀涂层50设置在距离焊料填充区40的焊料的外表面第二预定距离内的换热管20的外表面上的换热管防腐蚀区70和整个集流管10的外表面上。According to an embodiment of the present invention, the anti-corrosion coating 50 is disposed on a portion of the outer surface of the heat exchange tube 20 and at least a portion of the outer surface of the header 10. For example, the anti-corrosion coating 50 is disposed on a portion of the outer surface of the heat exchange tube 20 and the outer surface of the entire header 10; or the anti-corrosion coating 50 is disposed on the outer surface of the solder from the solder filling region 40 for a second predetermined The heat exchange tube corrosion prevention zone 70 on the outer surface of the heat exchange tube 20 within the distance and the outer surface of the entire header 10 are located.
所述防腐蚀涂层50可以由树脂涂料、水性漆、油性漆、Ni-P合金涂层、化学转化处理剂、氧化物和胶泥中的至少一种制成。The anticorrosive coating 50 may be made of at least one of a resin coating, a water lacquer, an oil lacquer, a Ni-P alloy coating, a chemical conversion treatment agent, an oxide, and a cement.
根据本发明的实施例,可以大幅降低换热器的涂层成本。此外,由于翅片上没有设置涂层,不会增加换热器的热阻,可以有效提高换热器的性能。再者,根据本发明的实施例,不会出现涂层不均匀的问题,可以有效增加换热器的寿命。According to an embodiment of the present invention, the coating cost of the heat exchanger can be greatly reduced. In addition, since no coating is provided on the fins, the heat resistance of the heat exchanger is not increased, and the performance of the heat exchanger can be effectively improved. Furthermore, according to the embodiment of the present invention, the problem of uneven coating is not caused, and the life of the heat exchanger can be effectively increased.
此外,根据本发明的上述实施例中的部分特征或全部特征可以进行组合以形成其它实施例。
Further, some or all of the features in the above-described embodiments of the present invention may be combined to form other embodiments.
Claims (13)
- 一种换热器,包括:A heat exchanger comprising:换热管;Heat exchange tube集流管,所述集流管具有插入换热管的端部的开口,集流管通过钎焊由围绕换热管的外表面的集流管的外表面上的焊料填充区的焊料与换热管连接在一起,且焊料填充区的焊料的外表面构成集流管的外表面的一部分;以及a header having an opening inserted into an end of the heat exchange tube, the collector tube being brazed by soldering and soldering of a solder-filled area on the outer surface of the header surrounding the outer surface of the heat exchange tube The heat pipes are connected together and the outer surface of the solder in the solder fill zone forms part of the outer surface of the header;防腐蚀涂层,所述防腐蚀涂层设置在换热管的外表面和集流管的外表面中的至少一个的至少一部分上。An anti-corrosion coating disposed on at least a portion of at least one of an outer surface of the heat exchange tube and an outer surface of the manifold.
- 根据权利要求1所述的换热器,其中The heat exchanger according to claim 1, wherein防腐蚀涂层设置在焊料填充区的焊料的外表面、距离焊料填充区的焊料的外表面的外边缘第一预定距离内的集流管的外表面上的集流管防腐蚀区和距离焊料填充区的焊料的外表面第二预定距离内的换热管的外表面上的换热管防腐蚀区中的至少一个的至少一部分上。The anti-corrosion coating is disposed on the outer surface of the solder in the solder fill region, the collector anti-corrosion region on the outer surface of the header within a first predetermined distance from the outer edge of the outer surface of the solder fill region, and the distance from the solder The outer surface of the solder of the filled region is on at least a portion of at least one of the heat exchange tube corrosion resistant regions on the outer surface of the heat exchange tube within a second predetermined distance.
- 根据权利要求2所述的换热器,其中The heat exchanger according to claim 2, wherein防腐蚀涂层至少覆盖焊料填充区的焊料的外表面。The anti-corrosion coating covers at least the outer surface of the solder of the solder fill region.
- 根据权利要求2所述的换热器,其中The heat exchanger according to claim 2, wherein防腐蚀涂层覆盖焊料填充区的焊料的外表面和集流管的外表面上的集流管防腐蚀区。The anti-corrosion coating covers the outer surface of the solder in the solder fill region and the collector anti-corrosion zone on the outer surface of the header.
- 根据权利要求2所述的换热器,其中The heat exchanger according to claim 2, wherein防腐蚀涂层覆盖焊料填充区的焊料的外表面、集流管的外表面上的集流管防腐蚀区和换热管的外表面上的换热管防腐蚀区。The anti-corrosion coating covers the outer surface of the solder in the solder fill region, the collector corrosion prevention region on the outer surface of the header, and the heat exchange tube corrosion prevention region on the outer surface of the heat exchange tube.
- 根据权利要求2所述的换热器,其中 The heat exchanger according to claim 2, wherein所述焊料填充区的焊料的外表面、集流管防腐蚀区以及换热管防腐蚀区是环形的。The outer surface of the solder of the solder fill region, the collector corrosion prevention region, and the heat exchange tube corrosion prevention region are annular.
- 根据权利要求2所述的换热器,其中The heat exchanger according to claim 2, wherein所述第一预定距离小于所述焊料填充区的焊料的外表面的最大宽度的3倍且所述第二预定距离小于所述焊料填充区的焊料的外表面的最大宽度的1倍。The first predetermined distance is less than 3 times the maximum width of the outer surface of the solder of the solder fill region and the second predetermined distance is less than 1 time the maximum width of the outer surface of the solder of the solder fill region.
- 根据权利要求1所述的换热器,其中The heat exchanger according to claim 1, wherein防腐蚀涂层设置在换热管的外表面的一部分和集流管的外表面的至少一部分上。The corrosion resistant coating is disposed on a portion of the outer surface of the heat exchange tube and at least a portion of the outer surface of the header.
- 根据权利要求1所述的换热器,其中The heat exchanger according to claim 1, wherein防腐蚀涂层设置在换热管的外表面的一部分和整个集流管的外表面上。The anti-corrosion coating is disposed on a portion of the outer surface of the heat exchange tube and the outer surface of the entire header.
- 根据权利要求1所述的换热器,其中The heat exchanger according to claim 1, wherein防腐蚀涂层设置在距离焊料填充区的焊料的外表面第二预定距离内的换热管的外表面上的换热管防腐蚀区和整个集流管的外表面上。The anti-corrosion coating is disposed on the outer surface of the heat exchange tube on the outer surface of the heat exchange tube within a second predetermined distance from the outer surface of the solder of the solder fill region and the outer surface of the entire header.
- 根据权利要求1所述的换热器,其中The heat exchanger according to claim 1, wherein所述防腐蚀涂层由树脂涂料、水性漆、油性漆、Ni-P合金涂层、化学转化处理剂、氧化物和胶泥中的至少一种制成。The anticorrosive coating is made of at least one of a resin coating, a water lacquer, an oil lacquer, a Ni-P alloy coating, a chemical conversion treatment agent, an oxide, and a cement.
- 根据权利要求1所述的换热器,其中The heat exchanger according to claim 1, wherein所述换热管是扁管或椭圆管。The heat exchange tube is a flat tube or an elliptical tube.
- 根据权利要求1所述的换热器,其中The heat exchanger according to claim 1, wherein所述换热器是平行流换热器或微通道换热器。 The heat exchanger is a parallel flow heat exchanger or a microchannel heat exchanger.
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CN201510480298.5A CN106705703A (en) | 2015-08-03 | 2015-08-03 | Heat exchanger |
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CN2622659Y (en) * | 2002-12-16 | 2004-06-30 | 张永胜 | Corrosion resistance structure of combined heat exchanging tube and its tube sheet |
CN101738128A (en) * | 2009-12-25 | 2010-06-16 | 三花丹佛斯(杭州)微通道换热器有限公司 | Header pipe of heat exchanger with plurality of rows of flat pipes and heat exchanger |
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FR2530328B1 (en) * | 1982-07-16 | 1987-06-05 | Puma Chausson Radiadores | HEAT EXCHANGER WITH TUBES LOCKED TO THE MANIFOLD |
JP3880098B2 (en) * | 1996-03-27 | 2007-02-14 | 昭和電工株式会社 | Heat exchanger and header pipe manufacturing method |
CN104374123B (en) * | 2013-08-12 | 2018-07-06 | 浙江盾安热工科技有限公司 | A kind of micro-channel heat exchanger |
-
2015
- 2015-08-03 CN CN201510480298.5A patent/CN106705703A/en active Pending
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2016
- 2016-07-25 WO PCT/CN2016/091515 patent/WO2017020738A1/en active Application Filing
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US4579171A (en) * | 1983-03-04 | 1986-04-01 | Chicago Bridge & Iron Company | Shell and tube heat exchanger with welds joining the tubes to tube sheet |
US5088193A (en) * | 1988-09-02 | 1992-02-18 | Sanden Corporation | Method for manufacturing a heat exchanger |
CN2622659Y (en) * | 2002-12-16 | 2004-06-30 | 张永胜 | Corrosion resistance structure of combined heat exchanging tube and its tube sheet |
CN101738128A (en) * | 2009-12-25 | 2010-06-16 | 三花丹佛斯(杭州)微通道换热器有限公司 | Header pipe of heat exchanger with plurality of rows of flat pipes and heat exchanger |
CN205102637U (en) * | 2015-08-03 | 2016-03-23 | 丹佛斯微通道换热器(嘉兴)有限公司 | Heat exchanger |
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