Header assembly for heat exchanger and heat exchanger

Patent metadata

Field	Value
Publication number	US-11466939-B2
Application number	US-202017039913-A
Country	US
Kind code	B2
Filing date	Sep 30, 2020
Priority date	Mar 30, 2018
Publication date	Oct 11, 2022
Grant date	Oct 11, 2022

Abstract

A header assembly and a heat exchanger having the same are provided. The header assembly includes at least one header group, the header group includes a plurality of main header sections, the main header section is provided with at least one through groove, the through groove extends in a same direction as an axis of the main header section, and the plurality of main header sections in the header group are communicated with one another. In the header group, the main header section extends along a first direction, and the plurality of main header sections are sequentially arranged along a second direction. An included angle between the first direction and the second direction is greater than 0°.

First claim

What is claimed is:

1. A heat exchanger, comprising:
a flat tube; and
a header assembly, comprising at least one header group, the header group comprising a plurality of main header sections, each the main header section being provided with at least one through groove, the through groove extending in a same direction as an axis of the main header section and in communication with the flat tube, and the plurality of main header sections in the header group being communicated with one another,
in the header group, the main header section and the corresponding at least one through groove extending along a first direction, and the plurality of main header sections being sequentially arranged along a second direction,
wherein an included angle between the first direction and the second direction is greater than 0°.

2. The heat exchanger according to claim 1 , wherein the plurality of main header sections in the header group are end-to-end connected sequentially to form a circuitous fluid channel.

3. The heat exchanger according to claim 1 , wherein the header assembly comprises a plurality of header groups communicated by a connecting header section extending along the second direction, and the plurality of header groups are arranged around the connecting header section.

4. The heat exchanger according to claim 1 , wherein the header assembly comprises a plurality of header groups, and at least a part of the plurality of header groups are communicated or isolated from one another.

5. The heat exchanger according to claim 1 , wherein hydraulic diameters of the main header sections in the header group gradually change.

6. The heat exchanger according to claim 1 , wherein
the included angle between the first direction and the second direction ranges from 30° to 90°; and
the main header section is provided with a plurality of through grooves spaced apart from one another along the first direction.

7. A heat exchanger, comprising at least one heat exchange group, and the heat exchange group comprising:
a plurality of flat tubes spaced apart from one another;
a fin arranged between two adjacent flat tubes; and
a header assembly, the header assembly comprising:
at least one header group, the header group comprising a plurality of main header sections, each the main header section being provided with at least one through groove, the through groove extending in a same direction as an axis of the main header section, and the plurality of main header sections in the header group being communicated with one another,
in the header group, the main header section and the corresponding at least one through groove extending along a first direction, and the plurality of main header sections being sequentially arranged along a second direction,
wherein an included angle between the first direction and the second direction is greater than 0°
wherein an end of the each flat tube is communicated with a corresponding through groove in the header assembly.

8. The heat exchanger according to claim 7 ,
wherein in the heat exchange group, the plurality of flat tubes are spaced apart from one another along a thickness direction of the flat tube and are divided into a first flat tube group and a second flat tube group, and on one side of the heat exchange group, an end of the first flat tube group is connected to a first header assembly, and an end of the second flat tube group is connected to a second header assembly,
wherein one flat tube in the second flat tube group is arranged between two adjacent flat tubes in the first flat tube group, the end of the flat tube in the first flat tube group extends beyond the end of the flat tube in the second flat tube group on the one side of the heat exchange group, and the first header assembly and the second header assembly are staggered along a length direction of the flat tube.

9. The heat exchanger according to claim 7 , wherein the heat exchanger comprises a first heat exchange group and a second heat exchange group, one side of the first heat exchange group is connected to one header assembly, one side of the second heat exchange group is connected to the other header assembly, and the other side of the first heat exchange group is in communication with the other side of the second heat exchange group.

10. The heat exchanger according to claim 9 , wherein the first heat exchange group and the second heat exchange group are arranged in a width direction, a length direction or a thickness direction of the flat tube.

11. The heat exchanger according to claim 7 , wherein in the heat exchange group, the plurality of flat tubes are spaced apart from one another along a thickness direction of the flat tube and are divided into a first flat tube group and a second flat tube group, and on one side of the heat exchange group, an end of the first flat tube group is connected to a first header assembly, and an end of the second flat tube group is connected to a second header assembly,
two flat tubes in the second flat tube group are arranged between two adjacent flat tubes in the first flat tube group, the end of the flat tube in the first flat tube group is aligned with the end of the flat tube in the second flat tube group in a length direction of the flat tube on the one side of the heat exchange group, and the first header assembly and the second header assembly are arranged in a same plane.

12. The heat exchanger according to claim 1 , wherein the plurality of main header sections in the header group are connected by a same connecting header section.

13. The heat exchanger according to claim 1 ,
wherein the header assembly comprises a plurality of header groups, and hydraulic diameters of the plurality of header groups gradually change.

14. The heat exchanger according to claim 1 , wherein
the included angle between the first direction and the second direction ranges from 30° to 90°; and
the main header section is provided with a plurality of through grooves spaced apart from one another along a direction around the axis thereof.

15. The heat exchanger according to claim 1 , wherein
the included angle between the first direction and the second direction ranges from 30° to 90°;
the main header section is provided with a plurality of through grooves spaced apart from one another along the first direction; and
the plurality of through grooves are further spaced apart from one another along a direction around the axis thereof.

16. A header assembly for a heat exchanger, comprising:
at least one header group, the header group comprising a plurality of main header sections, the main header section being provided with at least one through groove, the through groove extending in a same direction as an axis of the main header section, and the plurality of main header sections in the header group being communicated with one another,
in the header group, the main header section extending along a first direction, and the plurality of main header sections being sequentially arranged along a second direction,
wherein an included angle between the first direction and the second direction is greater than 0°,
wherein hydraulic diameters of the main header sections in the header group gradually change.

17. The header assembly for the heat exchanger according to claim 16 , wherein the plurality of main header sections in the header group are end-to-end connected sequentially to form a circuitous fluid channel.

18. The header assembly for the heat exchanger according to claim 16 , wherein the header assembly comprises a plurality of head

Assignees

• Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
• Sanhua Hangzhou Micro Channel Heat Exchange Co Ltd

Inventors

• Tong Zhongyao

Classifications

• F28D1/05391

  with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators · CPC title

• F28D7/16

  the conduits being arranged in parallel spaced relation ({F28D7/0008 - F28D7/0058 take precedence}; F28D7/02 - F28D7/10 take precedence) · CPC title

• F28F9/02 Primary

  Header boxes; End plates · CPC title

• F28F2009/0297

  Side headers, e.g. for radiators having conduits laterally connected to common header · CPC title

• F28D1/05383 Primary

  with multiple rows of conduits or with multi-channel conduits (F28D1/05391 takes precedence) · CPC title