CN-116412694-B - Heat exchanger and thermal management system

CN116412694BCN 116412694 BCN116412694 BCN 116412694BCN-116412694-B

Abstract

The application provides a heat exchanger having channels for fluid communication, at least part of the surface of the heat exchanger being covered with a coloured coating comprising a colour additive selected from at least one of an organic pigment, an inorganic pigment and a dye. The heat exchanger is provided with the colored coating on at least part of the surface, so that the heat exchanger is convenient to distinguish, install, check or maintain. The application also provides a thermal management system which comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger, wherein the color of the surface of the first heat exchanger is different from that of the surface of the second heat exchanger, when the thermal management system has refrigerant flowing, the refrigerant flows into the first heat exchanger through the compressor, then flows into the throttling device, then flows into the second heat exchanger, and flows into the compressor again after heat exchange occurs in the second heat exchanger. The heat management system can distinguish different heat exchangers through the appearance colors of the heat exchangers, and is convenient for the installation, inspection or maintenance of the heat exchangers in the heat management system.

Inventors

XUE MING
HUANG HAI
HUANG NINGJIE

Assignees

浙江三花智能控制股份有限公司

Dates

Publication Date: 20260505
Application Date: 20211230

Claims (9)

1. A heat exchanger having channels for fluid communication, wherein at least a portion of a surface of the heat exchanger is covered with a colored coating comprising a color additive selected from at least one of an organic color additive and an inorganic color additive; The heat exchanger comprises a collecting pipe, fins and a plurality of heat exchange pipes, wherein the heat exchange pipes are fixed with the collecting pipe, and the inner cavity of each heat exchange pipe is communicated with the inner cavity of the collecting pipe; And/or the thickness of at least part of the colored coating layer which is arranged on at least part of the surface of the heat exchange tube is smaller than the average thickness.
2. The heat exchanger of claim 1 wherein the color additive is selected from at least one of C 18 H 10 C l2 N 2 O 2 ,C 32 C l16 CuN 8 ,C 32 H 16 CuN 8 ,C 35 H 23 C l2 N 3 O 2 ,C 12 H 10 N 6 O 4 ,C 17 H 13 CaC l N 4 O 7 S 2 , mica, titanium dioxide, tin dioxide, and a mixture of ferric oxide.
3. The heat exchanger of claim 1, wherein the colored coating comprises silica and titania, wherein at least a portion of the silica surface has functional groups- (CH 2 ) 3 -O-CH 2 -CH-OCH 2 and hydroxy-OH) bonded thereto.
4. The heat exchanger of claim 1, wherein the thickness of the colored coating is 8-16 μm.
5. The heat exchanger of claim 1, wherein the colored coating comprises a first colored coating and a second colored coating, the first colored coating and the second colored coating being disposed over different locations on the heat exchanger surface, respectively, the first colored coating having a color different from a color of the second colored coating.
6. A heat exchanger according to any one of claims 1 to 5 wherein the fins are located between two adjacent heat exchange tubes.
7. The heat exchanger of claim 1, wherein the channels of the heat exchanger comprise an outer channel for the passage of an external fluid, the heat exchange tube having an inner side for forming the outer channel, the inner side having an edge region and an intermediate region, the outer channel having a fluid inlet and a fluid outlet, the edge region comprising a first edge region adjacent the fluid inlet relative to the intermediate region and a second edge region adjacent the fluid outlet relative to the intermediate region, the intermediate region being located between the first edge region and the second edge region, the first edge region and the second edge region each having a thickness of the colored coating overlying the intermediate region that is greater than or equal to the thickness of the colored coating overlying the intermediate region, and/or, The fin has an inner surface for forming the outer channel, the inner surface having an outer edge region and a central region, the outer channel having a fluid inlet and a fluid outlet, the outer edge region including a first outer edge region proximate the fluid inlet relative to the central region and a second outer edge region proximate the fluid outlet relative to the central region, the central region being located between the first outer edge region and the second outer edge region, the first outer edge region and the second outer edge region each having a thickness of the colored coating overlying the central region that is greater than or equal to the thickness of the colored coating overlying the central region.
8. A thermal management system comprising a compressor, a first heat exchanger, a throttling device, and a second heat exchanger, wherein the color of the first heat exchanger surface is different from the color of the second heat exchanger surface; when the heat management system has refrigerant flowing, the refrigerant flows into the first heat exchanger through the compressor, flows into the throttling device after heat exchange of the first heat exchanger, flows into the second heat exchanger, and flows into the compressor again after heat exchange of the second heat exchanger; One of the first heat exchanger and the second heat exchanger comprises a collecting pipe, fins and a plurality of heat exchange pipes, wherein the heat exchange pipes are fixed with the collecting pipe, and an inner cavity of each heat exchange pipe is communicated with an inner cavity of the collecting pipe; the colored coating is coated on at least part of the surfaces of at least one of the collecting pipe, the fins and the heat exchange pipes, and the colored coating coated on at least part of the surfaces of at least one of the collecting pipe, the fins and the heat exchange pipes has an average thickness; And/or the thickness of at least part of the colored coating layer which is arranged on at least part of the surface of the heat exchange tube is smaller than the average thickness.
9. The thermal management system of claim 8, wherein at least a portion of a surface of one of said first heat exchanger and said second heat exchanger is coated with a colored coating, said colored coating having a color different from a color of said first heat exchanger and said second heat exchanger substrate, or At least part of the surface of the first heat exchanger is covered with a third colored coating, at least part of the surface of the second heat exchanger is covered with a fourth colored coating, and the color of the third colored coating is different from that of the fourth colored coating.

Description

Heat exchanger and thermal management system Technical Field The application relates to the technical field of heat exchange, in particular to a heat exchanger and a thermal management system. Background During use of the heat exchanger, it may be necessary to distinguish between different heat exchangers or different components of the heat exchanger, for example when more than two heat exchangers are provided in the same module of the thermal management system, different heat exchangers being used to perform different functions. Most of the existing heat exchangers show the color of the base material, at most, the size or the shape of the base material is slightly different, and the base material is difficult to distinguish from the base material in terms of appearance, so that the base material is inconvenient to install, check or maintain. Disclosure of Invention The present invention aims to solve the above technical problems. To this end, the invention proposes a heat exchanger and a method for its production, as well as a thermal management system. The present application provides a heat exchanger having channels for fluid communication, at least part of the surface of the heat exchanger being covered with a colored coating comprising a color additive selected from at least one of an organic pigment, an inorganic pigment and a dye. At least part of the surface of the heat exchanger is provided with a colored coating, so that the heat exchanger is convenient to distinguish, install, check or maintain. In practical application, the surfaces of different heat exchangers or different areas of the heat exchangers can be coated with coatings with different colors according to the use requirements, so that the heat exchangers are convenient to distinguish from the appearance. The application also provides a thermal management system which comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger, wherein the color of the surface of the first heat exchanger is different from that of the surface of the second heat exchanger, when the thermal management system has refrigerant flowing, the refrigerant flows into the first heat exchanger through the compressor and flows into the throttling device after heat exchange of the first heat exchanger, and then flows into the second heat exchanger and flows into the compressor again after heat exchange of the second heat exchanger. The heat management system can distinguish different heat exchangers through the appearance colors of the heat exchangers, and is convenient for the installation, inspection or maintenance of the heat exchangers in the heat management system. Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. Drawings FIG. 1 is a schematic view of a heat exchanger according to an embodiment of the present application; FIG. 2 is a schematic partial cross-sectional view of a heat exchanger header in accordance with one embodiment of the present application; FIG. 3 is an enlarged view of area A of FIG. 1; FIG. 4 is a schematic view of fins and heat exchange tubes of a heat exchanger in one embodiment of the application; FIG. 5 is a schematic view of the edge region and the middle region of the inner side of the heat exchange tube of the heat exchanger in one embodiment of the present application; FIG. 6 is a schematic view of the outer edge region and the central region of the inner surface of a fin of a heat exchanger in one embodiment of the application; FIG. 7 is a schematic diagram of a thermal management system in one embodiment of the application. Reference numerals: 100-heat exchanger, 10-collecting pipe, 11-coating, 12-heat exchange pipe, 121-heat exchange pipe inner side, 1211-first edge area, 1212-second edge area, 1213-middle area, 122-heat exchange pipe outer side, 13-fin, 131-fin inner surface, 1311-first outer edge area, 1312-second outer edge area, 1313-central area, a 1-fluid inlet, a 2-fluid outlet, 1001-first heat exchanger, 1002-second heat exchanger, 2-compressor, 3-throttle device, 4-reversing device. Detailed Description For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described in the following embodiments, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. Based on the technical solution provided by the application and the embodiments given, all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of protection of the application. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended