CN114623702A

CN114623702A - Heat exchanger

Info

Publication number: CN114623702A
Application number: CN202011460421.4A
Authority: CN
Inventors: 汪峰; 蒋建龙; 周杭兵
Original assignee: Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
Current assignee: Zhejiang Sanhua Heat Exchanger Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2022-06-14
Anticipated expiration: 2040-12-11
Also published as: CN114623702B

Abstract

The invention discloses a heat exchanger which comprises a first collecting pipe, a second collecting pipe, a plurality of heat exchange tubes, a plurality of fins and a first piece. The first channel comprises a first sub-channel, a second sub-channel, a third sub-channel and a fourth sub-channel, the first sub-channel is positioned on the right side of the first piece, and the second sub-channel is positioned on the left side of the first piece. The first sub-channel is communicated with the heat exchange tube. The first piece includes a boss portion facing the first sub-passage, the boss portion having a gap in the left-right direction with an inner peripheral surface of the first peripheral wall surrounding the first sub-passage. The third sub-passage communicates with the first sub-passage and the second sub-passage, and the fourth sub-passage communicates with the first sub-passage and the second sub-passage to form at least one circulation flow passage in the first passage. Therefore, when the heat exchanger works as an evaporator of the refrigerant, the heat exchanger is beneficial to dispersing the refrigerant and improving the overall heat exchange performance.

Description

Heat exchanger

Technical Field

The invention relates to the technical field of heat exchange, in particular to a heat exchanger.

Background

In the prior art, a multi-channel heat exchanger is widely applied to an air-conditioning refrigeration system. The multi-channel heat exchanger comprises a heat exchange tube and fins arranged on the outer side of the heat exchange tube, and a refrigerant exchanges heat with air flowing through the fins through the heat exchange tube. The heat exchange tube includes a plurality of spaced refrigerant channels having a generally flat cross-sectional peripheral profile. The multichannel heat exchanger also comprises a collecting pipe, the collecting pipe is communicated with the heat exchange tubes, and the refrigerant can enter the plurality of heat exchange tubes through the collecting pipe or enter the collecting pipe through the plurality of heat exchange tubes.

In some applications, for example, when the multi-channel heat exchanger works as an evaporator under the evaporation working condition, the collecting pipe is placed along the vertical direction, two-phase refrigerant enters the collecting pipe, the liquid refrigerant is easy to accumulate below, and the gaseous refrigerant with small specific gravity is gathered above, so that the local concentration of the refrigerant is caused, and the improvement of the heat exchange performance of the heat exchanger is not facilitated.

Disclosure of Invention

Therefore, when the heat exchanger works as an evaporator of the refrigerant, the heat exchanger is beneficial to reducing the local concentration of the refrigerant in the collecting pipe and improving the overall heat exchange performance.

A heat exchanger according to an embodiment of the present invention includes:

the first collecting pipe comprises a first peripheral wall and a first channel formed by surrounding the first peripheral wall;

the heat exchange tubes are mainly flat in peripheral outline of the cross section, one end of each heat exchange tube in the length direction is connected with the corresponding first collecting pipe, the other end of each heat exchange tube in the length direction is connected with the corresponding second collecting pipe so as to communicate the corresponding first collecting pipe with the corresponding second collecting pipe, the heat exchange tubes are arranged at intervals along the length direction of the corresponding first collecting pipe, and when the heat exchanger works as an evaporator of a refrigerant, the included angle between the length direction of the corresponding first collecting pipe and the horizontal plane is larger than 0 degree; and

a first assembly located inside the first channel, the first assembly comprising a first piece, the first channel comprising a first sub-channel located at one side of the first piece in a length direction of the heat exchange tube and a second sub-channel located at the other side of the first piece in the length direction of the heat exchange tube;

the first sub-channel is communicated with the heat exchange tube, and at least part of one end of the heat exchange tube in the length direction is positioned in the first sub-channel;

the first piece comprises a first side part facing the first sub-channel, the first side part comprises a plurality of convex parts positioned in the first sub-channel, and the convex parts have a gap with the inner peripheral surface of the first peripheral wall surrounding the first sub-channel in the length direction of the heat exchange tube;

the first channel further comprises a third sub-channel and a fourth sub-channel, the third sub-channel is communicated with the first sub-channel and the second sub-channel, and the fourth sub-channel is communicated with the first sub-channel and the second sub-channel, so that at least one circulation channel for circulating and flowing the refrigerant is formed in the first channel.

The first channel in the first collecting pipe of the heat exchanger according to the embodiment of the invention comprises a first sub-channel, a second sub-channel, a third sub-channel and a fourth sub-channel, and the first sub-channel, the second sub-channel, the third sub-channel and the fourth sub-channel form at least one circulation channel for circulating and flowing refrigerant. Therefore, the refrigerant circularly flows in the circulation channel, the refrigerant can be uniformly distributed in the first collecting pipe, and the refrigerant can be uniformly distributed in the heat exchange pipe.

Therefore, the heat exchanger provided by the embodiment of the invention can fully utilize the refrigerant to exchange heat, and is beneficial to improving the heat exchange performance.

In some embodiments, a plurality of the protrusions are arranged at intervals in the length direction of the first collecting pipe, and at least one heat exchange pipe is located between two adjacent protrusions in the length direction of the first collecting pipe.

In some embodiments, the minimum distance from the at least one heat exchange tube to the first side is d1, the minimum distance from the adjacent two protrusions to the inner peripheral surface of the first peripheral wall enclosing the first sub-channel in the length direction of the heat exchange tube is d2, and d1 is greater than d 2.

In some embodiments, the first piece includes a first through hole and a second through hole, the first through hole penetrates through the first piece along the length direction of the heat exchange tube to communicate the first sub-channel and the second sub-channel, the second through hole penetrates through the first piece along the length direction of the heat exchange tube to communicate the first sub-channel and the second sub-channel, the first through hole is located on one side of one of the protrusions in the length direction of the first header, and the second through hole is located on the other side of the protrusion in the length direction of the first header.

In some embodiments, the first through-hole has a smaller cross-sectional flow area than the second through-hole.

In some embodiments, the first member includes a plurality of third through holes, at least 2 of the protrusions are adjacently arranged along the length direction of the first header, the third through holes are located between the at least 2 protrusions, and the third through holes penetrate through the first member along the length direction of the heat exchange tube.

In some embodiments, the heat exchanger further includes a first partition plate, the first partition plate divides the first channel into a third channel and a fourth channel, the third channel includes the first sub-channel and the second sub-channel, the first partition plate includes a fourth through hole penetrating through the first partition plate along the length direction of the first header, and the fourth through hole communicates the second sub-channel and the fourth channel.

In some embodiments, the heat exchanger further comprises a second member located in the fourth channel, the second member partitioning the fourth channel into a fifth sub-channel and a sixth sub-channel arranged side by side in the length direction of the heat exchange tube, at least part of one end of the heat exchange tube in the length direction being located in the fifth sub-channel, the second member comprising a fifth through hole penetrating the second member in the length direction of the heat exchange tube, the fifth through hole communicating the fifth sub-channel and the sixth sub-channel.

In some embodiments, the heat exchanger further comprises a second partition plate, the second partition plate divides the first sub-passage into a seventh sub-passage and an eighth sub-passage in the length direction of the first header, the second clapboard divides the second sub-channel into a ninth sub-channel and a tenth sub-channel in the length direction of the first collecting pipe, the second partition plate comprises a sixth through hole penetrating through the second partition plate along the length direction of the first collecting pipe, the sixth through hole is communicated with the ninth sub-channel and the tenth sub-channel, the first piece comprises a seventh through hole penetrating through the first piece along the length direction of the heat exchange tube, the seventh through hole is communicated with the seventh sub-channel and the ninth sub-channel, the first piece further comprises an eighth through hole penetrating through the first piece along the length direction of the heat exchange tube, and the eighth through hole is communicated with the eighth sub-channel and the tenth sub-channel.

In some embodiments, the heat exchanger further comprises an inlet-outlet pipe, the inlet-outlet pipe comprises a first inlet-outlet pipe and a second inlet-outlet pipe, and the first inlet-outlet pipe and the second inlet-outlet pipe are connected with the second collecting pipe; or, the first inlet and outlet pipe is connected with the first collecting pipe, and the second inlet and outlet pipe is connected with the second collecting pipe.

In some embodiments, the first member further includes a support plate, one side portion of the support plate in the longitudinal direction of the heat exchange tube abuts against the first member, and the other side portion of the support plate in the longitudinal direction of the heat exchange tube abuts against the inner peripheral surface of the first peripheral wall.

In some embodiments, an end of at least one of the bosses facing away from the first member in the length direction of the first heat exchange tube abuts against the inner peripheral surface of the first peripheral wall, and the boss has a ninth through hole penetrating through the boss in the length direction of the first header.

Drawings

FIG. 1 is a schematic top view of a heat exchanger according to one embodiment of the present invention.

Fig. 2 is a sectional view a-a of the heat exchanger of fig. 1.

Fig. 3 is a perspective view of the heat exchanger of fig. 2.

Fig. 4 is an exemplary perspective view of a first piece according to an embodiment of the present invention.

Fig. 5 is another exemplary perspective view of a first piece according to an embodiment of the present invention.

Fig. 6 is yet another exemplary perspective view of a first piece according to an embodiment of the present invention.

Fig. 7 is a cross-sectional view of a heat exchanger according to another embodiment of the present invention.

Fig. 8 is a perspective view of the heat exchanger of fig. 7.

Fig. 9 is an exemplary side view schematic of a first piece according to another embodiment of the invention.

Fig. 10 is an exemplary perspective view of a first piece according to another embodiment of the invention.

Fig. 11 is another exemplary side view schematic of a first piece according to another embodiment of the invention.

Fig. 12 is a cross-sectional view of a heat exchanger according to yet another embodiment of the present invention.

Fig. 13 is a perspective view of the heat exchanger of fig. 12.

Fig. 14 is an exemplary side view schematic of a first piece according to yet another embodiment of the invention.

Fig. 15 is a cross-sectional view of a heat exchanger according to still another embodiment of the present invention.

Fig. 16 is a perspective view of the heat exchanger of fig. 15.

Fig. 17 is an exemplary side view schematic of a first piece according to yet another embodiment of the invention.

Fig. 18 is an exemplary perspective view of a first member according to yet another embodiment of the present invention.

Fig. 19 is another exemplary side view schematic of a first piece according to yet another embodiment of the present invention.

Fig. 20 is a sectional view of a heat exchanger according to a fifth embodiment of the present invention.

Fig. 21 is a perspective view of the heat exchanger of fig. 20.

Fig. 22 is an exemplary side view schematic of a first member according to a fifth embodiment of the present invention.

Fig. 23 is an exemplary perspective view of a first member according to a fifth embodiment of the present invention.

Reference numerals:

a heat exchanger 001;

a first header 100; the first peripheral wall 110; a first channel 120; a first end cap 130; a first separator 140; a fourth through hole 141; a third channel 150; a first sub-channel 151; a second sub-channel 152; a third sub-channel 153; a fourth sub-passage 154; a seventh sub-channel 155; an eighth sub-passage 156; a ninth sub-passage 157; a tenth sub-passage 158; a fourth channel 160; a fifth sub-channel 161; a sixth sub-channel 162; a second separator 170; a sixth through hole 171;

a second header 200; a second peripheral wall 210; a second channel 220; a fifth channel 221; a sixth channel 222; a second end cap 230; a third partition 240;

a heat exchange tube 300; a fin 400;

a first inlet/outlet pipe 510; a second inlet/outlet pipe 520;

a first component 600; a first piece 610; a first through hole 611; a second through hole 612; a third through-hole 613; a seventh via 614; an eighth via 615; a boss 620; a ninth through hole 621; a first gap 622; a second gap 623; a support plate 630; a second piece 640; the fifth through hole 641.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 23, a heat exchanger 001 according to an embodiment of the present invention includes a first header 100, a second header 200, a plurality of heat exchange tubes 300, a plurality of fins 400, and a first assembly 600.

As shown in fig. 1 to fig. 3, the first header 100 includes a first peripheral wall 110 and a first passage 120 surrounded by the first peripheral wall 110, and a first end cap 130 is disposed at one end (e.g., an upper end of the first header 100 in fig. 2) of the first header 100 in a length direction (e.g., a vertical direction in fig. 2) and at the other end (e.g., a lower end of the first header 100 in fig. 2) of the first header 100 in the length direction. The second header 200 includes a second peripheral wall 210 and a second passage 220 surrounded by the second peripheral wall 210, and a second end cap 230 is provided at one end (e.g., an upper end of the second header 200 in fig. 2) of the second header 200 in a longitudinal direction (e.g., a vertical direction in fig. 2) and at the other end (e.g., a lower end of the second header 200 in fig. 2) of the second header 200 in the longitudinal direction.

The outer circumferential profile of the cross section of the heat exchange tube 300 is substantially flat. One end (e.g., the left end of the heat exchange tube 300 in fig. 1) in the length direction (e.g., the left-right direction in fig. 1) of the heat exchange tube 300 is connected to the first header 100, and the other end (e.g., the right end of the heat exchange tube 300 in fig. 1) in the length direction of the heat exchange tube 300 is connected to the second header 200 to communicate the first header 100 and the second header 200. The plurality of heat exchange tubes 300 are arranged at intervals along the length direction of the first collecting pipe 100, the plurality of fins 400 are arranged at intervals along the length direction of the heat exchange tubes 300, the fins 400 penetrate through the plurality of heat exchange tubes 300 along the length direction of the first collecting pipe 100, and the included angle between the length direction of the first collecting pipe 100 and the horizontal plane is greater than 0 degree. Preferably, when the heat exchanger operates as an evaporator for refrigerant, the length direction of the first header 100 is perpendicular to the horizontal plane. That is, the angle between the length direction of the first header 100 and the horizontal plane is 90 degrees.

First assembly 600 is positioned within first channel 120, and first assembly 600 includes first member 610. The first channel 120 includes a first sub-channel 151 and a second sub-channel 152, the first sub-channel 151 being located at one side of the first member 610 (e.g., the right side of the first member 610 in fig. 2) in the length direction of the heat exchange tube 300, and the second sub-channel 152 being located at the other side of the first member 610 (e.g., the left side of the first member 610 in fig. 2) in the length direction of the heat exchange tube 300.

The first sub-channel 151 communicates with the heat exchange tube 300, and at least a portion of one end of the heat exchange tube 300 in the length direction is located within the first sub-channel 151.

The first piece 610 includes a first side portion facing the first sub-passage 151, the first side portion includes a protrusion 620 located inside the first sub-passage 151, the protrusion 620 has a gap with an inner circumferential surface of the first circumferential wall 110 enclosing the first sub-passage 151 in a length direction of the heat exchange tube 300, and the protrusion 620 is plural. Thereby, the refrigerant can flow downward through the gaps in the first sub-channel 151, and the protrusions 620 can slow down the flow of the refrigerant, facilitating uniform distribution of the refrigerant in the plurality of heat exchange tubes 300.

The first passage 120 further includes a third sub-passage 153 and a fourth sub-passage 154, the third sub-passage 153 communicates with the first sub-passage 151 and the second sub-passage 152, and the fourth sub-passage 154 communicates with the first sub-passage 151 and the second sub-passage 152 to form at least one circulation passage for circulating the refrigerant in the first passage 120.

Specifically, the third sub-passage 153 is located at one end (e.g., an upper end of the first member 610 in fig. 2) in a length direction (e.g., an up-down direction in fig. 2) of the first member 610, and the fourth sub-passage 154 is located at the other end (e.g., a lower end of the first member 610 in fig. 2) in the length direction of the first member 610.

The first passage 120 in the first header 100 of the heat exchanger 001 according to an embodiment of the present invention includes a first sub-passage 151, a second sub-passage 152, a third sub-passage 153, and a fourth sub-passage 154, and the first sub-passage 151, the second sub-passage 152, the third sub-passage 153, and the fourth sub-passage 154 form at least one circulation passage through which a refrigerant circulates. Thereby, the refrigerant circulates in the flow passage, and the refrigerant can be uniformly distributed in the first header 100. In addition, the bosses 620 located in the first sub-channels 151 can slow down the flow of the refrigerant, reduce the local concentration of the refrigerant in the header, and facilitate the distribution of the refrigerant in the plurality of heat exchange tubes 300.

Therefore, the heat exchanger 001 according to the embodiment of the present invention facilitates the refrigerant to be distributed in the header pipe in a dispersed manner, and has good heat exchange performance.

In some embodiments, as shown in fig. 2 and 3, a plurality of bosses 620 are arranged at intervals in the length direction of the first header 100, and at least one heat exchange tube 300 is located between two adjacent bosses 620 in the length direction of the first header 100. That is, one or more heat exchange tubes 300 are disposed between two adjacent protrusions 620 in the length direction of the first header 100. In other words, at least some of the heat exchange tubes 300 are alternately arranged with the plurality of bosses 620 in the length direction of the first header 100. Therefore, the heat exchanger 001 according to the embodiment of the present invention facilitates uniform distribution of the refrigerant in the plurality of heat exchange tubes 300, and facilitates improvement of the heat exchange performance of the heat exchanger 001.

In some embodiments, the minimum distance from the at least one heat exchange tube 300 to the first side is d1, the minimum distance from the adjacent two protrusions 620 to the inner circumferential surface of the first circumferential wall 110 enclosing the first sub-channel 151 in the length direction of the heat exchange tube 300 is d2, and d1 is greater than d 2. That is, the minimum distance from at least one heat exchange tube 300 to one side of the first piece 610 facing the first sub-channel 151 (e.g., the right side of the first piece 610 in fig. 2) is d1, and the minimum distance from the adjacent two protrusions 620 to the inner circumferential surface of the first circumferential wall 110 enclosing the first sub-channel 151 in the length direction of the heat exchange tube 300 in the above-described embodiment is d2, and d1 is greater than d 2. Specifically, in the first sub-channel 151, the protrusion 620 and one end of the heat exchange pipe 300 in the length direction are arranged in a stepped shape. Therefore, when flowing in the first sub-channel 151, the refrigerant of the heat exchanger 001 according to the embodiment of the present invention is sequentially blocked by the protrusion 620 and the heat exchange tubes 300, the flow path of the refrigerant is serpentine, the flow speed of the refrigerant is slowed, the refrigerant is uniformly distributed in the plurality of heat exchange tubes 300, and the heat exchange performance of the heat exchanger 001 can be further improved.

In some embodiments, as shown in fig. 2 and 3, the first assembly 600 further includes a support plate 630, one side of the support plate 630 in the length direction of the heat exchange tube 300 (e.g., the right side of the support plate 630 in fig. 2) is in abutment with the first member 610, and the other side of the support plate 630 in the length direction of the heat exchange tube 300 (e.g., the left side of the support plate 630 in fig. 2) is in abutment with the inner circumferential surface of the first circumferential wall 110. That is, the right side portion of the support plate 630 abuts against the left side surface of the first piece 610, and the right side portion of the support plate 630 is connected to the left side surface of the first piece 610, the left side portion of the support plate 630 abuts against the inner circumferential surface of the first circumferential wall 110, and the left side portion of the support plate 630 is connected to the inner circumferential surface of the first circumferential wall 110. Thus, the supporting plate 630 supports and positions the first member 610, so that the position of the first member 610 is stable and reliable.

In some embodiments, as shown in fig. 2 to 5, one end of the at least one protrusion 620 facing away from the first member 610 in the length direction of the first heat exchange tube 300 (e.g., the right end of the protrusion 620 in fig. 2) abuts against the inner circumferential surface of the first peripheral wall 110. The protrusion 620 has a ninth through hole 621 penetrating the protrusion 620 in the length direction of the first header 100. That is, the right end of at least one of the protrusions 620 abuts against the inner circumferential surface of the first circumferential wall 110, and the protrusion 620 has a ninth through hole 621 penetrating the protrusion 620 in the up-down direction. Therefore, the protrusion 620 supports and positions the first member 610, so that the position of the first member 610 is stable and reliable, and the refrigerant can flow through the protrusion 620 through the ninth through hole 621, which facilitates uniform distribution of the refrigerant in the heat exchange tube 300. Specifically, the ninth through hole 621 is plural, and the plural ninth through holes 621 are arranged at intervals in the front-rear direction.

Further, as shown in fig. 5 and 6, a portion of the at least one protrusion 620 facing away from one end of the first member 610 in the length direction of the first heat exchange tube 300 abuts against the inner circumferential surface of the first circumferential wall 110. The protrusion 620 has a gap between the remaining portion of the end of the first heat exchange tube 300 facing away from the first member 610 in the length direction and the inner circumferential surface of the first circumferential wall 110. Specifically, both side portions of the right end of the at least one protrusion 620 abut against the inner circumferential surface of the first circumferential wall 110, and a first gap 622 is provided between the middle portion of the protrusion 620 and the inner circumferential surface of the first circumferential wall 110. Alternatively, the middle portion of the right end of at least one of the protrusions 620 abuts against the inner circumferential surface of the first circumferential wall 110, and a second gap 623 is provided between both side portions of the protrusion 620 and the inner circumferential surface of the first circumferential wall 110.

In some embodiments, as shown in fig. 7-11, first piece 610 includes a first through hole 611 and a second through hole 612. A first through hole 611 penetrates the first piece 610 in the length direction of the heat exchange tube 300 to communicate the first sub-channel 151 and the second sub-channel 152. A second through hole 612 penetrates the first member 610 in the length direction of the heat exchange tube 300 to communicate the first sub-channel 151 and the second sub-channel 152. The first through hole 611 is located at one side of one protrusion 620 in the length direction of the first header 100, and the second through hole 612 is located at the other side of the protrusion 620 in the length direction of the first header 100. That is, the second sub-channel 152, the third sub-channel 153, the first sub-channel 151, and the first through hole 611 form one circulation flow channel. The second sub-passage 152, the second through-hole 612, the first sub-passage 151, and the fourth sub-passage 154 form another circulation flow passage. Specifically, the first through hole 611 and the second through hole 612 are both circular in cross section. It is to be understood that one end in the length direction of a part of the heat exchange tube 300 is located in the one circulating flow channel, and one end in the length direction of another part of the heat exchange tube 300 is located in the other circulating flow channel. Therefore, the refrigerant of the heat exchanger 001 according to the embodiment of the present invention is distributed in the collecting pipe, which is beneficial to the distribution of the refrigerant in the plurality of heat exchange tubes 300, thereby being beneficial to the improvement of the heat exchange performance of the heat exchanger 001.

Further, an end of the protrusion 620 facing away from the first member 610 in the length direction of the first heat exchange tube 300 abuts against the inner circumferential surface of the first circumferential wall 110. That is, the protrusion 620 divides the first sub-passage 151 into two parts. That is, the second sub-channel 152, the third sub-channel 153, a part of the first sub-channel 151, and the first through hole 611 form the one circulation flow channel, and the second sub-channel 152, the second through hole 612, another part of the first sub-channel 151, and the fourth sub-channel 154 form the other circulation flow channel. Therefore, the refrigerant in the part of the first sub-channel 151 and the refrigerant in the other part of the first sub-channel 151 are not affected with each other, which is beneficial to reducing the concentrated distribution of the refrigerant in the collecting pipe, thereby being beneficial to distributing the refrigerant in the first sub-channel 151 in the plurality of heat exchange tubes 300, and further being beneficial to improving the heat exchange performance of the heat exchanger 001.

In some embodiments, as shown in fig. 9-11, the flow cross-sectional area of the first throughbore 611 is less than the flow cross-sectional area of the second throughbore 612. That is, the aperture of the first through hole 611 is smaller than the aperture of the second through hole 612. It can be understood that the refrigerant in the second sub-passage 152 more easily enters the first sub-passage 151 from the second through hole 612 without affecting the outflow of the refrigerant in the first sub-passage 151 from the first through hole 611. Therefore, the one circulation flow channel and the other circulation flow channel of the heat exchanger 001 according to the embodiment of the present invention can be relatively independent, so as to promote the flow of the refrigerant in the header, facilitate the distribution of the refrigerant in the plurality of heat exchange tubes 300, and further facilitate the improvement of the heat exchange performance of the heat exchanger 001.

In some embodiments, as shown in fig. 11, the first through hole 611 and the second through hole 612 are spaced apart by a distance in a width direction (front-rear direction in fig. 9) of the first member 610. That is, the first through hole 611 and the second through hole 612 are offset in the width direction of the first member 610, and the refrigerant flow path of the one circulation flow path and the refrigerant flow path of the other circulation flow path are also offset in the width direction of the first member 610. Therefore, the heat exchanger 001 according to the embodiment of the present invention has at least two circulation channels through which the refrigerant circulates, which is beneficial to reducing the local concentration of the refrigerant, promoting the distribution of the refrigerant in the plurality of heat exchange tubes 300, and further beneficial to improving the heat exchange performance of the heat exchanger 001.

Specifically, the first through hole 611 is located at one side of a middle line in a length direction of the first member 610, and the second through hole is located at the other side of the middle line in the length direction of the first member 610.

In some embodiments, as shown in fig. 12-14, the first member 610 includes a plurality of third through holes 613, at least 2 protrusions 620 are adjacently disposed along the length direction of the first header 100, the third through holes 613 are located between the adjacently disposed at least 2 protrusions 620, and the third through holes 613 penetrate through the first member 610 along the length direction of the heat exchange tube 300. That is, the third through hole 613 is located between the third sub-passage 153 and the fourth sub-passage 154. It can be understood that most of the refrigerant in the second sub-passage 152 can enter the first sub-passage 151 through the third sub-passage 153, and a small portion of the refrigerant in the second sub-passage 152 can not reach the position of the third sub-passage 153, and the small portion of the refrigerant can enter the first sub-passage 151 through the third through hole 613. Therefore, the heat exchanger 001 according to the embodiment of the invention facilitates the sufficient flow of the refrigerant in the collecting pipe, promotes the refrigerant to be distributed in the plurality of heat exchange pipes 300, and further facilitates the improvement of the heat exchange performance of the heat exchanger 001.

Specifically, the plurality of third through holes 613 are arranged at intervals along the length direction of the first header 100, and the plurality of third through holes 613 and the plurality of protrusions 620 are alternately arranged along the length direction of the first header 100. That is, one third through hole 613 is formed between two adjacent protrusions 620 along the length direction of the first header 100, and one protrusion 620 is formed between two adjacent third through holes 613 along the length direction of the first header 100.

In some embodiments, as shown in fig. 2, 3, 7, 8, 12 and 13, the heat exchanger 001 further includes a first partition 140, the first partition 140 divides the first channel 120 into a third channel 150 and a fourth channel 160, the third channel 150 includes a first sub-channel 151, a second sub-channel 152, a third sub-channel 153 and a fourth sub-channel 154, the first partition 140 includes a fourth through hole 141 penetrating through the first partition 140 along the length direction of the first header 100, and the fourth through hole 141 communicates the second sub-channel 152 and the fourth channel 160. It is understood that the refrigerant in the fourth channel 160 is injected into the second sub-channel 152 through the fourth through hole 141, so that the refrigerant in the second sub-channel 152 enters the first sub-channel 151 through the third sub-channel 153. Therefore, most of the refrigerant in the second sub-channel 152 can enter the first sub-channel 151 through the third sub-channel 153, which is beneficial for the refrigerant to flow in the collecting pipe, so as to be distributed in the plurality of heat exchange pipes 300, and is beneficial for improving the heat exchange performance of the heat exchanger 001.

In some embodiments, as shown in fig. 2 to 23, the third sub-passage 153 is formed between one end of the first member 610 in the length direction and the first end cap 130 at one end of the first header 100 in the length direction, and the fourth sub-passage 154 is formed between the other end of the first member 610 in the length direction and the first separator 140. Therefore, the refrigerant can circulate in the integrated first sub-channel 151 and the integrated second sub-channel 152, thereby facilitating the uniform distribution of the refrigerant and further facilitating the improvement of the heat exchange performance of the heat exchanger 001.

Specifically, a gap is provided between one end in the length direction of the first member 610 and the first end cap 130 at one end in the length direction of the first header 100, so that the gap forms the third sub-passage 153. Alternatively, a portion of one end of the first member 610 in the longitudinal direction abuts against the first end cap 130 at one end of the first header 100 in the longitudinal direction, and a gap is formed between the remaining portion of one end of the first member 610 in the longitudinal direction and the first end cap 130 at one end of the first header 100 in the longitudinal direction, so that the gap forms the third sub-passage 153.

A portion of the other end of the first member 610 in the length direction abuts against the first partition plate 140, and a gap is provided between the remaining portion of the other end of the first member 610 in the length direction and the first partition plate 140, so that the gap forms the fourth sub-passage 154. Alternatively, the other end of the first member 610 in the length direction has a through-hole penetrating the first member 610 in the length direction of the heat exchange tube 300, the through-hole forming the fourth sub-channel 154.

In some embodiments, as shown in fig. 15-19, heat exchanger 001 further comprises a second piece 640. The second piece 640 is located in the fourth channel 160, and the second piece 640 partitions the fourth channel 160 into the fifth sub-channel 161 and the sixth sub-channel 162 which are arranged in parallel in the length direction of the heat exchange tube 300. At least a portion of one end of the heat exchange tube 300 in the length direction is located within the fifth sub-channel 161. The second piece 640 includes a fifth through-hole 641 penetrating the second piece 640 in the length direction of the heat exchange tube 300, the fifth through-hole 641 communicating the fifth sub-channel 161 and the sixth sub-channel 162. That is, the second piece 640 divides the fourth passage 160 into the fifth sub-passage 161 and the sixth sub-passage 162 in the fourth passage 160, and the second piece 640 has a fifth through hole 641 penetrating the second piece 640. The fifth sub-channel 161 and the sixth sub-channel 162 are arranged in parallel in the length direction of the heat exchange tube 300, and the fifth sub-channel 161 and the sixth sub-channel 162 are communicated through a fifth through hole 641. Specifically, the second member 640 and the first member 610 may be of an integral structure or a separate structure.

It will be appreciated that the second piece 640 and the first piece 610 divide the first passage 120 into a first section including the fifth sub-passage 161 and the first sub-passage 151 and a second section including the sixth sub-passage 162 and the second sub-passage 152. After entering the second section from the first section, the refrigerant enters the heat exchange tube 300 through the second section. Specifically, most of the refrigerant enters the second sub-channel 152 from the sixth sub-channel 162, the refrigerant in the second sub-channel 152 re-enters the first sub-channel 151, the refrigerant in the first sub-channel 151 is uniformly distributed into the heat exchange tubes 300, and the remaining refrigerant in the first sub-channel 151 is circulated into the second sub-channel 152. A small portion of the refrigerant enters the fifth sub-channel 161 from the sixth sub-channel 162, and the refrigerant in the fifth sub-channel 161 is uniformly distributed into the heat exchange tubes 300. The refrigerant circulates in the first channel 120, which is beneficial to the uniform distribution of the refrigerant in the heat exchange tube 300, and is further beneficial to the improvement of the heat exchange performance of the heat exchanger 001.

In some embodiments, as shown in fig. 20-23, the heat exchanger 001 further comprises a second separator 170. The second partition 170 divides the first sub-passage 151 into a seventh sub-passage 155 and an eighth sub-passage 156 in the length direction of the first header 100, and the second partition 170 divides the second sub-passage 152 into a ninth sub-passage 157 and a tenth sub-passage 158 in the length direction of the first header 100. The second header 170 includes a sixth through hole 171 penetrating the second header 170 in a length direction of the first header 100, and the sixth through hole 171 communicates the ninth sub-passage 157 and the tenth sub-passage 158. The first member 610 includes a seventh through hole 614 penetrating the first member 610 in the length direction of the heat exchange pipe 300, and the seventh through hole 614 communicates the seventh sub-channel 155 and the ninth sub-channel 157. The first member 610 further includes an eighth through-hole 615 penetrating the first member 610 in a length direction of the heat exchange tube 300, the eighth through-hole 615 communicating the eighth sub-channel 156 and the tenth sub-channel 158.

That is, the ninth sub-passage 157, the seventh through hole 614, the seventh sub-passage 155, and the fourth sub-passage 154 form one circulation flow passage. The tenth sub-passage 158, the third sub-passage 153, the first sub-passage 151, and the eighth through-hole 615 form another circulation flow passage. It is to be understood that one end in the length direction of a part of the heat exchange tube 300 is located in the one circulating flow channel, and one end in the length direction of another part of the heat exchange tube 300 is located in the other circulating flow channel.

Specifically, the refrigerant enters the ninth sub-passage 157 from the fourth passage 160, and a part of the refrigerant in the ninth sub-passage 157 circulates in the one circulation flow passage. Another portion of the refrigerant in the ninth sub-passage 157 enters the tenth sub-passage 158, and the refrigerant in the tenth sub-passage 158 circulates in the other circulation-flow passage. Therefore, the refrigerant of the heat exchanger 001 according to the embodiment of the present invention flows in the header more strongly, which is beneficial to the refrigerant to be distributed more uniformly in the heat exchange tube 300, and is beneficial to the improvement of the heat exchange performance of the heat exchanger 001.

In some embodiments, as shown in fig. 1-23, the heat exchanger 001 further comprises an inlet-outlet pipe, the inlet-outlet pipe comprises a first inlet-outlet pipe 510 and a second inlet-outlet pipe 520, and the first inlet-outlet pipe 510 and the second inlet-outlet pipe 520 are connected to the second header 200; alternatively, the first inlet/outlet pipe 510 is connected to the first header 100, and the second inlet/outlet pipe 520 is connected to the second header 200.

Specifically, as shown in fig. 1-3, 7, 8, 12, 13, 20, and 21, the first inlet and outlet pipe 510 and the second inlet and outlet pipe 520 are connected to the second header 200. The second header 200 includes a third partition 240, the third partition 240 dividing the second passage 220 into a fifth passage 221 and a sixth passage 222, the fifth passage 221 and the sixth passage 222 being arranged in parallel in the length direction of the second header 200. The first inlet/outlet pipe 510 communicates with the fifth channel 221, and the second inlet/outlet pipe 520 communicates with the sixth channel 222. Therefore, the flow of the refrigerant of the heat exchanger 001 according to the embodiment of the invention is increased, which is beneficial to improving the heat exchange performance of the heat exchanger 001.

As shown in fig. 15 and 16, the first inlet/outlet pipe 510 is connected to the first header 100, and the second inlet/outlet pipe 520 is connected to the second header 200. The refrigerant enters the first header 100 from the first inlet and outlet pipe 510, and the refrigerant is distributed in the first header 100 into the heat exchange tubes 300. The refrigerant subjected to heat exchange in the heat exchange tube 300 merges into the second header 200, and the refrigerant in the second header 200 flows out from the second inlet/outlet tube 520. Therefore, the heat exchanger 001 according to the embodiment of the invention is beneficial to the refrigerant to exchange heat fully in the heat exchanger, promotes the refrigerant to be uniformly distributed in the plurality of heat exchange tubes 300, and is beneficial to improving the heat exchange performance of the heat exchanger 001.

Some specific exemplary heat exchangers 001 according to the present invention are described below with reference to fig. 1-23.

Example 1

As shown in fig. 1 to 6, the heat exchanger 001 includes a first header 100, a second header 200, a plurality of heat exchange tubes 300, a plurality of fins 400, a first block 600, a first partition 140, a first inlet/outlet tube 510, and a second inlet/outlet.

The first header 100 includes a first peripheral wall 110 and a first passage 120 surrounded by the first peripheral wall 110, and a first end cap 130 is disposed at each of an upper end of the first header 100 and a lower end of the first header 100. The second header 200 includes a second peripheral wall 210 and a second passage 220 surrounded by the second peripheral wall 210, and a second end cap 230 is provided at both the upper end of the second header 200 and the lower end of the second header 200.

The first inlet and outlet pipe 510 and the second inlet and outlet pipe 520 are connected to the second header 200. The second header 200 includes a third partition 240, the third partition 240 divides the second channel 220 into a fifth channel 221 and a sixth channel 222, and the fifth channel 221 and the sixth channel 222 are arranged in parallel in the length direction of the second header 200. The first inlet/outlet pipe 510 communicates with the fifth channel 221, and the second inlet/outlet pipe 520 communicates with the sixth channel 222.

The outer circumferential profile of the cross section of the heat exchange tube 300 is substantially flat. The left end of the heat exchange tube 300 is connected to the first collecting pipe 100, and the right end of the heat exchange tube 300 is connected to the second collecting pipe 200, so as to communicate the first collecting pipe 100 and the second collecting pipe 200. The plurality of heat exchange tubes 300 are arranged at intervals up and down, the plurality of fins 400 are arranged at intervals left and right, and the fins 400 penetrate through the plurality of heat exchange tubes 300 in the up-down direction.

First assembly 600 is positioned within first channel 120, and first assembly 600 includes first member 610. The first channel 120 includes a first sub-channel 151 and a second sub-channel 152, the first sub-channel 151 being located at the right side of the first piece 610, and the second sub-channel 152 being located at the left side of the first piece 610.

The first sub-channel 151 communicates with the heat exchange pipe 300, and at least a portion of the left end of the heat exchange pipe 300 is located within the first sub-channel 151.

The first piece 610 includes a first side portion facing the first sub-passage 151, the first side portion includes a protrusion 620 located inside the first sub-passage 151, the protrusion 620 has a gap with an inner circumferential surface of the first circumferential wall 110 enclosing the first sub-passage 151 in the left-right direction, and the protrusion 620 is plural.

The first channel 120 further includes a third sub-channel 153 and a fourth sub-channel 154, the third sub-channel 153 communicates with the first sub-channel 151 and the second sub-channel 152, and the fourth sub-channel 154 communicates with the first sub-channel 151 and the second sub-channel 152 to form at least one circulation flow channel within the first channel 120.

The third sub-passage 153 is located at an upper end of the first member 610, and the fourth sub-passage 154 is located at a lower end of the first member 610.

The plurality of protrusions 620 are arranged at intervals in the length direction of the first header 100, and at least one heat exchange tube 300 is located between two protrusions 620 adjacent in the length direction of the first header 100.

The minimum distance from the at least one heat exchange tube 300 to the first side is d1, the minimum distance from the adjacent two protrusions 620 to the inner circumferential surface of the first circumferential wall 110 enclosing the first sub-channel 151 in the length direction of the heat exchange tube 300 is d2, and d1 is greater than d 2.

The first assembly 600 further includes a support plate 630, a right side portion of the support plate 630 abuts against the first member 610, and a left side portion of the support plate 630 abuts against an inner circumferential surface of the first circumferential wall 110.

A right end portion of the at least one projection 620 abuts against the inner peripheral surface of the first peripheral wall 110. The remaining portion of the right end of the protrusion 620 has a gap from the inner circumferential surface of the first circumferential wall 110. The protrusion 620 has a ninth through hole 621 penetrating the protrusion 620 in the length direction of the first header 100.

The first partition 140 divides the first channel 120 into a third channel 150 and a fourth channel 160, the third channel 150 includes a first sub-channel 151, a second sub-channel 152, a third sub-channel 153, and a fourth sub-channel 154, the first partition 140 includes a fourth through hole 141 penetrating the first partition 140 along the length direction of the first header 100, and the fourth through hole 141 communicates the second sub-channel 152 and the fourth channel 160.

The third sub-passage 153 is formed between the upper end of the first member 610 in the length direction and the first cap 130 at the upper end of the first header 100, and the fourth sub-passage 154 is formed between the lower end of the first member 610 and the first partition 140.

Example 2

As shown in fig. 7 to 11, unlike example 1, a first piece 610 includes a first through hole 611 and a second through hole 612. A first through hole 611 penetrates the first piece 610 in the length direction of the heat exchange tube 300 to communicate the first sub-channel 151 and the second sub-channel 152. A second through hole 612 penetrates the first member 610 in the length direction of the heat exchange tube 300 to communicate the first sub-channel 151 and the second sub-channel 152. The first through hole 611 is located at one side of one protrusion 620 in the length direction of the first header 100, and the second through hole 612 is located at the other side of the protrusion 620 in the length direction of the first header 100. One end of the protrusion 620 facing away from the first member 610 in the length direction of the first heat exchange tube 300 abuts against the inner circumferential surface of the first circumferential wall 110.

The flow cross-sectional area of the first through hole 611 is smaller than the flow cross-sectional area of the second through hole 612. The first through hole 611 and the second through hole 612 are spaced apart by a certain distance in the front-rear direction. The first through hole 611 is located at one side of the middle line of the first member 610 in the length direction, and the first through hole is located at the other side of the middle line of the first member 610 in the length direction.

Example 3

As shown in fig. 12 to 14, unlike example 1, the first member 610 includes a plurality of third through holes 613, at least 2 of the bosses 620 are adjacently arranged along the length direction of the first header 100, the third through holes 613 are located between the adjacently arranged at least 2 of the bosses 620, and the third through holes 613 penetrate the first member 610 along the length direction of the heat exchange tube 300. The third through-hole 613 is located between the third sub-passage 153 and the fourth sub-passage 154.

The plurality of third through holes 613 are arranged at intervals along the length direction of the first header 100, and the plurality of third through holes 613 and the plurality of protrusions 620 are alternately arranged along the length direction of the first header 100.

Example 4

As shown in fig. 20 to 23, the heat exchanger 001 further includes a second separator 170, unlike example 2. The second partition 170 divides the first sub-passage 151 into a seventh sub-passage 155 and an eighth sub-passage 156 in the length direction of the first header 100, and the second partition 170 divides the second sub-passage 152 into a ninth sub-passage 157 and a tenth sub-passage 158 in the length direction of the first header 100. The second header 170 includes a sixth through hole 171 penetrating the second header 170 in a length direction of the first header 100, and the sixth through hole 171 communicates the ninth sub-passage 157 and the tenth sub-passage 158. The first member 610 includes a seventh through hole 614 penetrating the first member 610 in the length direction of the heat exchange pipe 300, and the seventh through hole 614 communicates the seventh sub-channel 155 and the ninth sub-channel 157. The first member 610 further includes an eighth through-hole 615 penetrating the first member 610 in a length direction of the heat exchange tube 300, the eighth through-hole 615 communicating the eighth sub-channel 156 and the tenth sub-channel 158.

The ninth sub-passage 157, the seventh through-hole 614, the seventh sub-passage 155, and the fourth sub-passage 154 form one circulation flow passage. The tenth sub-passage 158, the third sub-passage 153, the first sub-passage 151, and the eighth through-hole 615 form another circulation flow passage.

Example 5

As shown in fig. 15 to 19, the heat exchanger 001 includes a first header 100, a second header 200, a plurality of heat exchange tubes 300, a plurality of fins 400, a first block 600, a first separator 140, a first inlet/outlet tube 510, and a second inlet/outlet.

The first inlet/outlet pipe 510 is connected to the first header 100, and the second inlet/outlet pipe 520 is connected to the second header 200.

First assembly 600 is positioned within first channel 120, and first assembly 600 includes a first piece 610 and a second piece 640. The first channel 120 includes a first sub-channel 151 and a second sub-channel 152, the first sub-channel 151 being located at the right side of the first piece 610, and the second sub-channel 152 being located at the left side of the first piece 610.

The second piece 640 is located in the fourth channel 160, the second piece 640 divides the fourth channel 160 into a fifth sub-channel 161 and a sixth sub-channel 162 which are arranged in parallel left and right, the fifth sub-channel 161 is located on the right side, and the sixth sub-channel 162 is located on the left side. At least a portion of one end of the heat exchange tube 300 in the length direction is located within the fifth sub-channel 161. The second piece 640 includes a fifth through-hole 641 penetrating the second piece 640 in the length direction of the heat exchange tube 300, the fifth through-hole 641 communicating the fifth sub-channel 161 and the sixth sub-channel 162. The first inlet/outlet pipe 510 communicates with the sixth sub-passage 162, and the second inlet/outlet pipe 520 communicates with the second passage 220.

The first assembly 600 further includes a support plate 630, a right side portion of the support plate 630 being in abutment with the first member 610, and a left side portion of the support plate 630 being in abutment with an inner circumferential surface of the first circumferential wall 110.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A heat exchanger, comprising:

a first member located inside the first channel, the first member including a first piece, the first channel including a first sub-channel located at one side of the first piece in a length direction of the heat exchange tube and a second sub-channel located at the other side of the first piece in the length direction of the heat exchange tube;

2. The heat exchanger according to claim 1, wherein a plurality of the protrusions are arranged at intervals in a length direction of the first header, and at least one of the heat exchange tubes is located between two adjacent protrusions in the length direction of the first header.

3. The heat exchanger according to claim 2, wherein the at least one heat exchange tube has a minimum distance d1 from the first side, the minimum distance between two adjacent bosses and the inner peripheral surface of the first peripheral wall enclosing the first sub-channel in the length direction of the heat exchange tube is d2, and d1 is greater than d 2.

4. The heat exchanger of claim 1, wherein the first member includes a first through hole extending therethrough in a length direction of the heat exchange tube to communicate the first sub-channel with the second sub-channel, and a second through hole extending therethrough in the length direction of the heat exchange tube to communicate the first sub-channel with the second sub-channel, the first through hole being located on one side of one of the bosses in the length direction of the first header, and the second through hole being located on the other side of the boss in the length direction of the first header.

5. The heat exchanger of claim 4, wherein the first through-hole has a smaller cross-sectional flow area than the second through-hole.

6. The heat exchanger according to any one of claims 1 to 3, wherein the first member comprises a plurality of third through holes, at least 2 of the bosses are adjacently arranged along the length direction of the first header, the third through holes are located between the at least 2 adjacently arranged bosses, and the third through holes penetrate through the first member along the length direction of the heat exchange tube.

7. The heat exchanger according to any one of claims 1 to 5, further comprising a first partition plate, wherein the first partition plate divides the first channel into a third channel and a fourth channel, the third channel comprises the first sub-channel and the second sub-channel, the first partition plate comprises a fourth through hole penetrating through the first partition plate along the length direction of the first header, and the fourth through hole is communicated with the second sub-channel and the fourth channel.

8. The heat exchanger as recited in claim 7 further comprising a second piece located in the fourth channel, the second piece partitioning the fourth channel into a fifth sub-channel and a sixth sub-channel arranged side by side in a longitudinal direction of the heat exchange tube, at least a part of one end of the heat exchange tube in the longitudinal direction being located in the fifth sub-channel, the second piece including a fifth through-hole penetrating the second piece in the longitudinal direction of the heat exchange tube, the fifth through-hole communicating the fifth sub-channel and the sixth sub-channel.

9. The heat exchanger according to any one of claims 1 to 5 and 8, further comprising a second separator that separates the first sub-channel into a seventh sub-channel and an eighth sub-channel in the length direction of the first header, the second separator separates the second sub-channel into a ninth sub-channel and a tenth sub-channel in the length direction of the first header, the second separator includes a sixth through hole that penetrates the second separator in the length direction of the first header, the sixth through hole communicates the ninth sub-channel and the tenth sub-channel, the first member includes a seventh through hole that penetrates the first member in the length direction of the heat exchange tube, the seventh through hole communicates the seventh sub-channel and the ninth sub-channel, the first member further includes an eighth through hole that penetrates the first member in the length direction of the heat exchange tube, the eighth through hole communicates the eighth sub-passage and the tenth sub-passage.

10. The heat exchanger of claim 7, further comprising an inlet and outlet pipe, wherein the inlet and outlet pipe comprises a first inlet and outlet pipe and a second inlet and outlet pipe, and the first inlet and outlet pipe and the second inlet and outlet pipe are connected with the second collecting pipe; or, the first inlet and outlet pipe is connected with the first collecting pipe, and the second inlet and outlet pipe is connected with the second collecting pipe.

11. The heat exchanger according to any one of claims 1 to 5, 8 and 10, wherein the first component further comprises a support plate, one side portion of the support plate in the longitudinal direction of the heat exchange tube abuts against the first member, and the other side portion of the support plate in the longitudinal direction of the heat exchange tube abuts against the inner peripheral surface of the first peripheral wall.

12. The heat exchanger according to any one of claims 1 to 5, 8, 10 and 12, wherein an end of at least one of the bosses facing away from the first member in the longitudinal direction of the first heat exchange tube abuts against an inner peripheral surface of the first peripheral wall, the boss having a ninth through hole extending therethrough in the longitudinal direction of the first header.