CN216204468U - Heat exchanger and heat exchange system - Google Patents

Abstract

According to this application, a heat exchanger and heat transfer system is proposed, the heat exchanger includes first pipe, second pipe and a plurality of heat exchange tube, and a plurality of heat exchange tube intercommunication first pipe and second pipe, first pipe includes: the first channel surrounds the first channel, the second piece is located between the first piece and the third piece, the first cavity is located between the second piece and the third piece, the first cavity is communicated with the heat exchange tube, the first cavity comprises a plurality of first sub-cavities arranged along the length direction of the first tube, the first sub-cavities are not communicated with each other, the first hole is provided with a plurality of holes, the first hole penetrates through the second piece along the thickness direction of the first tube, at least one first hole is communicated with one first sub-cavity, and the first channel is communicated with the first cavity through the first holes. Refrigerant enters the first channel and then circularly flows in the first channel and enters the heat exchange tube along the first hole and the first cavity, and the heat exchanger is beneficial to adjusting the distribution of the refrigerant and improving the heat exchange efficiency of the heat exchanger.

Description

Heat exchanger and heat exchange system

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of heat exchange, in particular to a heat exchanger and a heat exchange system.

[ background of the utility model ]

In the related art, in an air conditioner heat exchange system, a refrigerant entering a heat exchanger enters each heat exchange tube for heat exchange through different flowing distances, when the number of the heat exchange tubes is large, the on-way resistance of the refrigerant reaching each heat exchange tube is different, the phenomenon of uneven distribution of the refrigerant in each heat exchange tube is aggravated, and the heat exchange performance of the heat exchange tubes is influenced. If the refrigerant enters the heat exchanger in a gas-liquid two-phase state, the refrigerant can generate a phenomenon of separating gas-phase refrigerant from liquid-phase refrigerant, so that the refrigerant entering the heat exchange tubes is further unevenly distributed, and the heat exchange efficiency of the heat exchanger is reduced.

[ Utility model ] content

According to the heat exchanger provided by the application, the heat exchanger is beneficial to adjusting the distribution of the refrigerant and improving the heat exchange efficiency of the heat exchanger.

This application provides a heat exchanger in one aspect, and the heat exchanger includes first pipe, second pipe and a plurality of heat exchange tube, the heat exchange tube with first pipe is direct or indirect to be connected, the heat exchange tube with second pipe is direct or indirect to be connected, first pipe includes: a first channel, which includes a first sub-channel and a second sub-channel, the first sub-channel is disposed along the length direction of the first tube, the second sub-channel is disposed along the length direction of the first tube, the first sub-channel and the second sub-channel are disposed at intervals in the width direction of the first tube, the first channel further includes a third sub-channel and a fourth sub-channel, the third sub-channel communicates the first sub-channel and the second sub-channel, and the fourth sub-channel communicates the first sub-channel and the second sub-channel; a first member, a second member and a third member, the second member being located between the first member and the third member in a thickness direction of the first tube, the third member being directly or indirectly connected to the heat exchange tube; a first cavity, a wall surrounding the first cavity comprising the second piece and the third piece; the first cavity comprises a plurality of first sub-cavities which are arranged at intervals along the length direction of the first pipe, and two adjacent first sub-cavities in the length direction of the first pipe are not directly communicated; a plurality of first holes are arranged, the first holes penetrate through the second piece, and at least one first hole is communicated with one first sub-cavity; the first channel communicates with the first cavity via a plurality of the first holes. This heat exchanger is at the during operation, and the refrigerant passes through first subchannel, second subchannel, and the formation circulation flow in the third subchannel after getting into first pipe in the first passageway to along first hole entering first chamber, in getting into the heat exchange tube through each first sub-chamber, above-mentioned structure is favorable to promoting the distribution homogeneity of refrigerant, thereby has promoted the heat exchange efficiency of heat exchanger.

In some embodiments, the heat exchanger further comprises a third tube, the first channel further comprises a fifth sub-channel, the fifth sub-channel in communication with the first sub-channel, the fifth sub-channel comprising a first opening, the first opening in communication with the third tube.

In some embodiments, the first member has a protrusion disposed along a length of the first tube, the first member is fixedly connected to the second member, a portion of the wall of the first channel includes the protrusion, the second member includes another portion of the wall of the first channel, the second member includes a plurality of the first holes disposed at intervals along the length of the first tube, the first tube further includes a plurality of first plates disposed at intervals along the length of the first tube, the plurality of first plates divide the first chamber into a plurality of the first sub-chambers, and the third member is fixedly connected to the second member.

In some embodiments, a portion of the flow cross-sectional area of the fifth sub-passage is smaller than the flow cross-sectional area of the other portion of the fifth sub-passage.

In some embodiments, the third piece further comprises a plurality of engaging portions, the plurality of engaging portions being spaced apart along the length of the first tube, the engaging portions abutting the first piece.

In some embodiments, in the length direction of the first pipe, the second member is provided with a plurality of first holes, part of the first holes are communicated with the first sub-channel, and part of the first holes are communicated with the second sub-channel.

In some embodiments, the first tube further comprises a fourth piece extending along the length of the first tube, the fourth piece extending in the thickness of the first tube, the fourth piece comprising a plurality of slots spaced along the length of the first tube, at least a portion of the fourth piece being located within the first cavity.

In some embodiments, the first tube further comprises a plurality of fourth tubes, one end of the fourth tubes being in communication with the first channel, the other end of the fourth tubes being in communication with the first aperture, the fourth tubes communicating the first channel and the first subcavity.

In some embodiments, the first member comprises an annular circular tube, the annular circular tube comprises a first sub-channel, a second sub-channel, a third sub-channel and a fourth sub-channel, a plurality of the fourth tubes are arranged at intervals in the length direction of the first tube, one end of at least part of the fourth tubes is communicated with the first sub-channel, and the other end of the part of the fourth tubes is communicated with the first hole.

In some embodiments, one end of another portion of the fourth tube communicates with the second sub-passage, and the other end of the another portion of the fourth tube communicates with the first hole.

According to another aspect of the present application, there is also provided a heat exchange system comprising a heat exchanger as defined in any one of the above, so that the advantages of the above heat exchanger naturally arise, the heat exchanger comprising: the first pipe and the second pipe are arranged at intervals;

the heat exchange tubes are arranged at intervals along the length direction of the first tube and comprise a plurality of channels arranged at intervals along the length direction of the heat exchange tubes, the channels are arranged at intervals along the width direction of the heat exchange tubes, and the heat exchange tubes are communicated with the first tube and the second tube;

the fin, the fin includes first fin, at least part first fin is located along between the adjacent heat exchange tube of first pipe length direction, this part first fin with two adjacent heat exchange tubes link to each other, first fin is a plurality of, according to the heat exchange system of this application embodiment, can effectively promote heat exchange system's heat exchange efficiency.

Additional features and advantages of embodiments in accordance with the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of embodiments in accordance with the present application. The objectives and other advantages of the embodiments according to the present application will be realized and attained by the structure particularly pointed out in the written description and drawings.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of a heat exchanger according to an embodiment of the present application;

FIG. 2 is a schematic assembled view of a first tube of a heat exchanger according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a heat exchanger provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a first member according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a first tube of a heat exchanger according to one embodiment of the present application;

FIG. 6 is a schematic diagram of a first tube of a heat exchanger according to another embodiment of the present application;

FIG. 7 is a schematic diagram of a first tube of a heat exchanger according to yet another embodiment of the present application;

FIG. 8 is a schematic diagram of a first tube of a heat exchanger according to yet another embodiment of the present application;

FIG. 9 is a schematic diagram of a first tube of a heat exchanger according to yet another embodiment of the present application.

Reference numerals:

100. a heat exchanger; 1. a first tube; 11. a first channel; 111. a first sub-channel; 112. a second sub-channel; 113. a third sub-channel; 114. a fourth sub-channel; 115. a fifth sub-channel; 116. a first opening; 12. a first piece; 121. a boss portion; 122. an annular circular tube; 13. a second piece; 14. a third piece; 141. a joint portion; 15. a first chamber; 151. a first sub-cavity; 16. a first hole; 17. a first plate; 18. a fourth piece; 181. a slot; 2. a second tube; 3. a heat exchange pipe; 4. a third tube; 5. a fourth tube; 6. a first fin.

[ detailed description ] embodiments

For better understanding of the technical solutions according to the present application, embodiments according to the present application are described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments according to the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments according to the present application without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments according to the present application is for the purpose of describing particular embodiments only and is not intended to be limiting according to the present application. As used in the examples and appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The following is a description of a specific embodiment of the heat exchanger according to the structure of the heat exchanger proposed in the embodiment of the present application.

According to the heat exchanger 100 provided by the application, the first channel 11 is arranged in the heat exchanger 100, and the refrigerant circularly flows in the first channel 11 after entering the first channel 11 and enters the heat exchange tube 3 along the first hole 16 and the first cavity 15, so that the refrigerant distribution uniformity can be effectively improved when entering the heat exchanger 100, and the heat exchange performance of the heat exchanger 100 is improved.

Referring to fig. 1 to 9, a heat exchanger 100 includes a first tube 1, a second tube 2, and a plurality of heat exchange tubes 3, the heat exchange tubes 3 are directly or indirectly connected to the first tube 1, the heat exchange tubes 3 are directly or indirectly connected to the second tube 2, and the first tube 1 includes: the first channel 11, the first channel 11 includes a first sub-channel 111 and a second sub-channel 112, the first sub-channel 111 is disposed along the length direction of the first tube 1, the second sub-channel 112 is disposed along the length direction of the first tube 1, the first sub-channel 111 and the second sub-channel 112 are disposed at intervals in the width direction of the first tube 1, the first channel 11 further includes a third sub-channel 113 and a fourth sub-channel 114, the third sub-channel 113 communicates the first sub-channel 111 and the second sub-channel 112, and the fourth sub-channel 114 communicates the first sub-channel 111 and the second sub-channel 112; a first member 12, a second member 13 and a third member 14, the second member 13 being located between the first member 12 and the third member 14 in the thickness direction of the first tube 1, the third member 14 being directly or indirectly connected to the heat exchange tube 3; a first cavity 15, the walls surrounding the first cavity 15 comprising a second piece 13 and a third piece 14; the first cavity 15 comprises a plurality of first sub-cavities 151, the plurality of first sub-cavities 151 are arranged at intervals along the length direction of the first pipe 1, and two adjacent first sub-cavities 151 in the length direction of the first pipe 1 are not directly communicated; a plurality of first holes 16, wherein the first holes 16 are arranged, the first holes 16 penetrate through the second piece 13, and at least one first hole 16 is communicated with one first sub-cavity 151; the first channel 11 communicates with the first chamber 15 via a plurality of the first holes 16. The first pipe 1 and the second pipe 2 can also be called collecting pipes, the heat exchange pipes 3 can also be called flat pipes, when the first pipe 1 and the second pipe 2 are vertically placed, the third pipe 4 is installed at the lower end of the first pipe and/or the second pipe, refrigerant enters the inner cavity of the first pipe 1 through the third pipe 4 and then flows into each heat exchange pipe 3 respectively, the refrigerant flowing out of each heat exchange pipe 3 enters the second pipe 2, the first pipe 1 and the second pipe 2 are connected with an external circulating device, the circulating device conveys the refrigerant in the second pipe 2 into the first pipe 1, and therefore the refrigerant circularly flows in the first pipe of the heat exchanger 100.

In the heat exchanger 100, in an operating state, the first tube 1 and the second tube 2 are generally vertically arranged, the heat exchange tubes 3 are generally horizontally arranged, so that refrigerant entering the first tube 1 is accumulated at the lower part of the inner cavity of the first tube 1 under the action of gravity, so that more refrigerant flows through the heat exchange tubes 3 at the lower end of the heat exchanger 100 and less refrigerant flows through the heat exchange tubes 3 at the upper end of the heat exchanger 100, and in order to make the distribution of refrigerant among the heat exchange tubes 3 more uniform, please refer to fig. 2, the utility model arranges a first channel 11 in the first tube 1, wherein the first channel 11 comprises a first sub-channel 111 arranged along the length direction of the first tube 1 and a second sub-channel 112 arranged along the length direction of the first tube 1, and the first channel 11 further comprises a third sub-channel 113 and a fourth sub-channel 114, the third sub-channel 113 connects the first sub-channel 111 and the second sub-channel 112, in summary, the first sub-channel 111, the second sub-channel 112, the third sub-channel 113 and the fourth sub-channel 114 substantially surround to form a circular communication channel, and a portion of the circular communication channel is disposed along the length direction of the first tube 1, it should be noted that the first channel 11 may be formed by communicating internal hollow tubes, or may be formed by combining the first piece 12 and the second piece 13, for example, a groove may be disposed on the first piece 12, and a surface of the first piece 12 having the groove is attached to the second piece 13, so that the groove is naturally closed to form the first channel 11.

The first pipe 1 further comprises a first piece 12, a second piece 13 and a third piece 14, a first cavity 15 is formed between the second piece 13 and the third piece 14, the first cavity 15 comprises a plurality of first sub-cavities 151, the first sub-cavities 151 are isolated from each other, the first sub-cavities 151 can be communicated with one or more heat exchange pipes 3, a plurality of first holes 16 are further formed in the second piece 13, the first holes 16 penetrate through the second piece 13 along the thickness direction of the first pipe 1, at least one first hole 16 is communicated with one first sub-cavity 151, and the first channel 11 is communicated with the first cavity 15 through the plurality of first holes 16.

To sum up, a portion of the refrigerant entering the first channel 11 flows into the heat exchange tubes 3 along the first holes 16 and the first sub-cavities 151, another portion of the refrigerant flows circularly along the first channel 11, the refrigerant supplied from the outside continuously flows into the first channel 11 to join the circularly flowing refrigerant flow, and the refrigerant also continuously flows into each first sub-cavity 151 from each first hole 16 and finally flows into each heat exchange tube 3, and the heat exchanger 100 is beneficial to improving the distribution uniformity of the refrigerant, thereby improving the heat exchange capacity of the heat exchanger 100.

In some embodiments, the heat exchanger 100 further comprises a third tube 4, the first channel 11 further comprises a fifth sub-channel 115, the fifth sub-channel 115 is in communication with the first sub-channel 111, the fifth sub-channel 115 comprises a first opening 116, and the first opening 116 is in communication with the third tube 4.

Referring to fig. 2, the fifth sub-passage 115 is communicated with the first sub-passage 111, the fifth sub-passage 115 may serve as an inlet for flowing a refrigerant into the first passage 11, the fifth sub-passage 115 is provided with a first opening 116 such that the third pipe 4 is communicated with the first opening 116, the third pipe 4 is hermetically connected with the first member 12, the hermetic connection may be fixedly connected by various methods such as welding and a clamping structure, and the provision of the third pipe 4 improves convenience when the first passage 11 is connected with an external refrigerant supply device.

In some embodiments, the first member 12 has a protrusion 121, the protrusion 121 is disposed along a length direction of the first pipe 1, the first member 12 is fixedly connected to the second member 13, a portion of a wall of the first passage 11 includes the protrusion 121, the second member 13 includes another portion of a wall of the first passage 11, the second member 13 includes a plurality of first holes 16 disposed at intervals along the length direction of the first pipe 1, the first pipe 1 further includes a plurality of first plates 17, the plurality of first plates 17 are disposed at intervals along the length direction of the first pipe 1, the plurality of first plates 17 divide the first cavity 15 into a plurality of first sub-cavities 151, and the third member 14 is fixedly connected to the second member 13.

Referring to fig. 2 and 3, the first member 12 has a protrusion 121, the protrusion 121 is disposed along the length direction of the first pipe 1, the protrusion 121 may be formed by stamping the first member 12, such that a portion of the material on the first member 12 protrudes in the width direction of the first pipe 1, the first member 12 is fixedly connected to the second member 13, the connection manner may be welding, bonding, and the like, when the first member 12 is connected to the second member 13, the first channel 11 is formed therebetween, a portion of the sidewall of the first channel 11 is formed by the wall surface of the protrusion 121 of the first member 12, and another portion of the sidewall of the first channel 11 is formed by the second member 13.

The second member 13 may be provided with a plurality of first holes 16 along the length direction of the first tube 1, the sizes of the first holes 16 may be the same or different, and the sizes of the first holes 16 may be designed according to actual working conditions, for example, in some embodiments, the cross-sectional area of each first hole 16 arranged along the gravity direction on the second member 13 may be gradually reduced, so that the cross-sectional area of the first hole 16 near the upper end of the first tube 1 is larger than the cross-sectional area of the first hole 16 near the lower end of the first tube 1, thereby increasing the refrigerant flow rate of the upper heat exchange tube 3 to counteract the problem that the refrigerant is accumulated in the heat exchange tube 3 below the heat exchanger 100 under the influence of the on the path resistance and the gravity.

The second member 13 includes a plurality of first holes 16 arranged at intervals in the length direction of the first tube 1, the number of the first holes 16 may match with the number of the heat exchange tubes 3, the first holes 16 are arranged on the second plate, and the first holes 16 are arranged at intervals in the length direction of the first tube 1, so that each first hole 16 may communicate with different first sub-cavities 151, and also a plurality of first holes 16 communicate with the same first sub-cavity 151.

The first pipe 1 further includes a plurality of first plates 17, the plurality of first plates 17 are disposed at intervals in a length direction of the first pipe 1, the plurality of first plates 17 partition the first chamber 15 into a plurality of first sub-chambers 151, and the first plates 17 may be integrally formed with the second member 13 or the third member 14, or may be members separately disposed in the first pipe 1.

The third piece 14 and the second piece 13 can be fixedly connected by welding, bolting, clamping, etc.

In some embodiments, a portion of the flow cross-sectional area of the fifth sub-passage 115 is smaller than the flow cross-sectional area of the other portion of the fifth sub-passage 115.

Referring to fig. 4, it can be understood that a flow cross-sectional area of a portion of the fifth sub-passage 115 is smaller than that of other portions of the fifth sub-passage 115, and a flow velocity of a portion having a small flow cross-sectional area is fast, so that a pressure of the portion is small, and a certain suction force can be generated at the portion, so that the refrigerant in the first passage 11 rapidly flows into the portion having the small flow cross-sectional area under the pressure.

In some embodiments, the third member 14 further comprises a plurality of engaging portions 141, the plurality of engaging portions 141 being arranged at intervals along the length direction of the first pipe 1, the engaging portions 141 abutting the first member 12.

Referring to fig. 5, when the first member 12 and the third member 14 are assembled, the joint 141 abuts against the first member 12, so that the relative position between the first member 12 and the third member 14 is fixed, and the structural strength of the first tube 1 in the heat exchanger 100 is improved.

In some embodiments, the second member 13 is provided with a plurality of first holes 16 in the length direction of the first pipe 1, a part of the first holes 16 is communicated with the first sub-passage 111, and a part of the first holes 16 is communicated with the second sub-passage 112.

Referring to fig. 6, since a portion of the first holes 16 communicate with the first sub-passage 111, and another portion of the first holes 16 communicate with the second sub-passage 112, the refrigerant flowing in the first passage 11 can flow into the first sub-chamber 151 along the first holes 16 when passing through the first sub-passage 111, and can flow into the first sub-chamber 151 along the first holes 16 when passing through the second sub-passage 112, and since the first sub-passage 111 and the second sub-passage 112 are both disposed along the length direction of the first tube 1, and the first sub-passage 111 and the second sub-passage 112 are spaced apart in the width direction of the first tube 1, two first holes 16 communicating with the same first sub-chamber 151 can communicate with the first sub-passage 111 and the second sub-passage 112, respectively, so that the refrigerant can flow to the first sub-chamber 151 both in the first sub-passage 111 and in the second sub-passage 112, thereby improving the distribution uniformity of the refrigerant, the phenomenon of gas-liquid separation of the refrigerant is reduced, and the heat exchange efficiency of the heat exchanger is improved.

In some embodiments, first tube 1 further comprises fourth member 18, fourth member 18 extending along a length of said first tube, fourth member 18 extending along a thickness of said first tube, fourth member 18 comprising a plurality of slots 181, slots 181 spaced along a length of said first tube, at least a portion of said fourth member 18 being located within said first lumen 15.

Referring to fig. 7, the fourth member 18 is provided with a plurality of slots 181, the fourth member 18 is located between the second member 13 and the third member 14, the second member 13, the third member 14 and the fourth member 18 are connected, and the inner walls of the slots 181, the second member 13 and the third member 14 together enclose the inner wall of the first sub-chamber 151, so that the first sub-chamber 151 has better sealing performance, and the slots 181 can be communicated with one or more heat exchange tubes 3 to adjust the flow rate flowing through each heat exchange tube 3.

In some embodiments, first tube 1 further comprises a plurality of fourth tubes 5, fourth tubes 5 communicating with first channel 11 at one end, fourth tubes 5 communicating with first aperture 16 at the other end, fourth tubes 5 communicating with first channel 11 and first subchambers 151.

Referring to fig. 8, the plurality of fourth tubes 5 are used to communicate the first channel 11 with the first hole 16, so that the distribution uniformity of the refrigerant can be improved, the gas-liquid separation phenomenon of the refrigerant can be reduced, and the heat exchange efficiency of the heat exchanger can be improved.

In some embodiments, the first member 12 includes an annular circular tube 122, the annular circular tube 122 includes a first sub-channel 111, a second sub-channel 112, a third sub-channel 113 and a fourth sub-channel 114, a plurality of fourth tubes 5 are arranged at intervals in the length direction of the first tube 1, one end of at least a part of the fourth tubes 5 is communicated with the first sub-channel 111, and the other end of the part of the fourth tubes 5 is communicated with the first hole 16.

Referring to fig. 8 and 9, in the present embodiment, the first channel 11 is formed by a complete annular pipe, so that the sealing performance is better, and the leakage is not easy to occur, and the distribution uniformity of the refrigerant is also improved by communicating the first channel 11 with the first hole 16 by using the plurality of fourth pipes 5, so as to reduce the refrigerant gas-liquid phenomenon, and improve the heat exchange performance of the heat exchanger.

In some embodiments, one end of another portion of the fourth tube 5 communicates with the second sub-passage 112, and the other end of the another portion of the fourth tube 5 communicates with the first hole 16.

Referring to fig. 9, in the present embodiment, a portion of the fourth tube 5 is communicated with the first sub-channel 111, another portion of the fourth tube 5 is communicated with the second sub-channel 112, and one end of the fourth tube 5 far from the first channel 11 is communicated with the first hole 16.

According to the present application, there is also provided a heat exchange system comprising the heat exchanger 100 of any of the above, the heat exchanger 100 comprising:

the heat exchange tube comprises a first tube 1, a second tube 2 and heat exchange tubes 3, wherein the first tube 1 and the second tube 2 are arranged at intervals, a plurality of heat exchange tubes 3 are arranged at intervals along the length direction of the first tube 1, each heat exchange tube 3 comprises a plurality of channels arranged at intervals along the length direction, the channels are arranged at intervals along the width direction of the heat exchange tube 3, and the heat exchange tubes 3 are communicated with the first tube 1 and the second tube 2;

the heat exchanger 100 further comprises fins, the fins comprise first fins 6, at least part of the first fins 6 are located between two adjacent heat exchange tubes 3 along the length direction of the first tube 1, the part of the first fins 6 are connected with the heat exchange tubes 3, the number of the first fins 6 is multiple, the heat exchanger is favorable for adjusting distribution of refrigerants, and a heat exchange system using the heat exchanger is favorable for improving heat exchange performance of the heat exchange system.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A heat exchanger, characterized in that, includes first pipe, second pipe and a plurality of heat exchange tube, the heat exchange tube with first pipe is direct or indirect to be connected, the heat exchange tube with the second pipe is direct or indirect to be connected, first pipe includes:

a first channel, which includes a first sub-channel and a second sub-channel, the first sub-channel is disposed along the length direction of the first tube, the second sub-channel is disposed along the length direction of the first tube, the first sub-channel and the second sub-channel are disposed at intervals in the width direction of the first tube, the first channel further includes a third sub-channel and a fourth sub-channel, the third sub-channel communicates the first sub-channel and the second sub-channel, and the fourth sub-channel communicates the first sub-channel and the second sub-channel;

a first member, a second member and a third member, the second member being located between the first member and the third member in a thickness direction of the first tube, the third member being directly or indirectly connected to the heat exchange tube;

a first cavity, a wall surrounding the first cavity comprising the second piece and the third piece;

the first cavity comprises a plurality of first sub-cavities which are arranged at intervals along the length direction of the first pipe, and two adjacent first sub-cavities in the length direction of the first pipe are not directly communicated;

a plurality of first holes are arranged, the first holes penetrate through the second piece, and at least one first hole is communicated with one first sub-cavity;

the first sub-passage communicates with the first cavity via a plurality of the first holes, and/or the second sub-passage communicates with the first cavity via a plurality of the first holes.

2. The heat exchanger according to claim 1, wherein a plurality of the first holes are provided in the second member in a length direction of the first tube, and a part of the first holes communicate with the first sub-passage and/or another part of the first holes communicate with the second sub-passage.

3. The heat exchanger of claim 2, wherein the first member has a boss having a length in a direction of the length of the first tube, the first member is fixedly connected to the second member, the wall surrounding the first passage includes the boss, the second member includes another portion of the wall surrounding the first passage, the second member includes a plurality of the first holes spaced apart in the direction of the length of the first tube, the first tube further includes a plurality of first plates spaced apart in the direction of the length of the first tube, a portion of the first plates are located within the first cavity, the plurality of first plates divide the first cavity into a plurality of the first subchambers, and the third member is fixedly connected to the second member.

4. The heat exchanger according to any one of claims 1 to 3, further comprising a third tube, wherein the first passage further comprises a fifth sub-passage, wherein the fifth sub-passage is communicated with the first sub-passage, wherein the fifth sub-passage comprises a first opening, wherein the first opening is communicated with the third tube, and wherein the flow cross-sectional area of a part of the fifth sub-passage is smaller than the flow cross-sectional area of the other part of the fifth sub-passage.

5. The heat exchanger according to any one of claims 1 to 3, wherein the third member further comprises a plurality of joining portions that are provided at intervals in a length direction of the first tube, the joining portions extending in a thickness direction of the first tube, one end of the joining portions in the thickness direction of the first tube being connected to the first member.

6. The heat exchanger of any one of claims 1 to 3, wherein the first tube further comprises a fourth piece extending along the length of the first tube, the fourth piece extending in the thickness of the first tube, the fourth piece comprising a plurality of slots extending therethrough, the plurality of slots being spaced along the length of the first tube, at least a portion of the fourth piece being located within the first cavity.

7. The heat exchanger of claim 1 or 2, wherein the first tube further comprises a plurality of fourth tubes, one end of the fourth tubes communicating with the first passage, the other end of the fourth tubes communicating with the first hole, the fourth tubes communicating with the first passage and the first cavity.

8. The heat exchanger of claim 7, wherein the first member comprises an annular tube, the annular tube comprises the first sub-passage, the second sub-passage, the third sub-passage and the fourth sub-passage, a plurality of the fourth tubes are arranged at intervals in a length direction of the first tube, one end of a part of the fourth tubes is communicated with the first sub-passage, the other end of the part of the fourth tubes is communicated with a part of the first holes, one end of another part of the fourth tubes is communicated with the second sub-passage, and the other end of the part of the fourth tubes is communicated with another part of the first holes.

9. The heat exchanger according to claim 1, 2 or 8, wherein the cross-sectional area of the first sub-passage is larger than the cross-sectional area of the second sub-passage in at least one cross-section of the first tube.

10. A heat exchange system comprising the heat exchanger of any one of claims 1 to 9, the heat exchanger comprising:

the first pipe and the second pipe are arranged at intervals;

the heat exchange tubes are arranged at intervals along the length direction of the first tube and comprise a plurality of channels arranged at intervals along the length direction of the heat exchange tubes, the channels are arranged at intervals along the width direction of the heat exchange tubes, the heat exchange tubes are directly or indirectly connected with the first tube, and the heat exchange tubes are directly or indirectly connected with the second tube;

the fin comprises a plurality of first fins, at least part of the first fins are positioned between two adjacent heat exchange tubes along the length direction of the first tubes, and the first fins are connected with the two adjacent heat exchange tubes.

Images