CN216432616U

CN216432616U - Integrated radiator assembly and heat pump system

Info

Publication number: CN216432616U
Application number: CN202123170575.2U
Authority: CN
Inventors: 龚举波; 曾磊; 颜伏伍; 景华斌; 肖涛
Original assignee: Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
Current assignee: Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-03
Anticipated expiration: 2031-12-15

Abstract

The application relates to an integrated radiator assembly and a heat pump system. The integrated radiator assembly comprises a plurality of groups of cooling pipes, a first liquid collecting pipe and a second liquid collecting pipe. Each group of cooling pipes comprises a first pipeline for circulating refrigerant and a second pipeline for circulating cooling liquid, and part of outer wall of the first pipeline is abutted or coincided with part of outer wall of the second pipeline along the length direction of the integrated radiator assembly. The first liquid collecting pipe comprises a first left liquid collecting pipe and a first right liquid collecting pipe, and the second liquid collecting pipe comprises a second left liquid collecting pipe and a second right liquid collecting pipe. Along the length direction of integrated radiator subassembly, the both ends of a plurality of first pipelines are located respectively and are communicate with a plurality of first pipelines respectively to first left collector tube and first right collector tube, and the both ends of a plurality of second pipelines are located respectively and are communicate with a plurality of second pipelines respectively to the left collector tube of second and second right collector tube. The integrated radiator assembly can reduce the space occupation of the front-end module, recycle the heat of the motor cooling system and reduce the energy consumption of the heat pump system.

Description

Integrated radiator assembly and heat pump system

Technical Field

The application relates to the technical field of vehicles, in particular to an integrated radiator assembly and a heat pump system.

Background

When the electric automobile has a heating demand in winter, the endurance process is seriously attenuated. In order to solve the problem of the attenuation of the driving range of the electric automobile in winter, the heat pump air conditioning technology is increasingly popularized on the electric automobile. The heat exchanger of the existing heat pump system and the radiator of the motor cooling system need to be installed on the front end module together, so that the requirement of the front end arrangement space is increased. When the low-temperature heating is carried out, the energy consumption is higher, and the reasonable utilization of the residual heat of the motor and the battery cannot be realized.

SUMMERY OF THE UTILITY MODEL

The application provides an integrated radiator subassembly and heat pump system can reduce and occupy the space of front end module to can the heat that the recycle motor cooling system gived off, reduce heat pump system's energy consumption.

A first aspect of the present application provides an integrated heat sink assembly, comprising:

each group of cooling pipes comprises a first pipe and a second pipe, part of outer wall of the first pipe is abutted or superposed with part of outer wall of the second pipe along the length direction of the integrated radiator assembly, the first pipe is used for circulating a refrigerant, and the second pipe is used for circulating a cooling liquid;

the first liquid collecting pipe comprises a first left liquid collecting pipe and a first right liquid collecting pipe, and the first left liquid collecting pipe and the first right liquid collecting pipe are respectively arranged at two ends of the first pipelines and are respectively communicated with the first pipelines along the length direction of the integrated radiator assembly;

the second left liquid collecting pipe and the second right liquid collecting pipe are arranged at two ends of the second pipeline respectively and are communicated with the second pipeline respectively.

In one possible embodiment, the first and second lines are fixedly connected or integrally formed.

In one possible design, the first and second conduits abut or coincide in the direction of maximum cross-sectional area.

In one possible design, the first duct and the second duct are arranged one above the other in the height direction of the cooling pipe.

In one possible design, the first pipe is provided with a plurality of first flow passages for circulating refrigerant, and each of the first flow passages is communicated with the first header pipe.

In one possible design, the first left header and the second left header are integrally formed or fixedly connected, and the first right header and the second right header are integrally formed or fixedly connected.

In one possible design, one of the first left liquid collecting pipe and the first right liquid collecting pipe is provided with a first liquid inlet, the other one of the first left liquid collecting pipe and the first right liquid collecting pipe is provided with a first liquid outlet, the first liquid inlet and the first liquid outlet are communicated through a first external pipeline, one of the second left liquid collecting pipe and the second right liquid collecting pipe is provided with a second liquid inlet, the other one of the second left liquid collecting pipe and the second right liquid collecting pipe is provided with a second liquid outlet, and the second liquid inlet and the second liquid outlet are communicated through a second external pipeline.

In one possible design, the first left header pipe is provided with N first partition plates to divide the first left header pipe into N +1 first chambers which are not communicated, the first right header pipe is provided with M second partition plates to divide the first right header pipe into M +1 second chambers which are not communicated, and the first partition plates and the second partition plates are arranged in a staggered mode in the height direction of the cooling pipe.

In one possible design, the second left header is provided with X third partitions to divide the second left header into X +1 unconnected third chambers; the second right liquid collecting pipe is provided with Y fourth clapboards so as to divide the second right liquid collecting pipe into Y +1 fourth cavities which are not communicated, and the third clapboards and the fourth clapboards are arranged in a staggered mode in the height direction of the cooling pipe.

In one possible design, heat dissipation fins are provided between the adjacent cooling tubes.

A second aspect of the present application provides a heat pump system comprising an air conditioning heat pump system and an electric machine cooling system and an integrated radiator assembly as described above; the air-conditioning heat pump system and the motor cooling system share one integrated radiator assembly.

The beneficial effect that this application can reach is: the utility model provides an integrated radiator subassembly is integrated as an organic whole with heat exchanger and radiator, first collector tube is used for colleting the refrigerant, the second collector tube is used for colleting the coolant liquid, and the partial outer wall butt of first pipeline and second pipeline or coincidence, this kind of structure makes the refrigerant in the first pipeline and the coolant liquid in the second pipeline can carry out heat exchange, when needs heat, the heat of second pipeline can be given first pipeline, the refrigerant in the first pipeline just can absorb the heat that the coolant liquid in the second pipeline took in a large number, play and carry out refrigerated effect to the coolant liquid in the second pipeline, and satisfy the endothermic demand of refrigerant, no longer need extra tonifying qi to increase the enthalpy, effectively utilized motor and electrical system's heat simultaneously, be favorable to the energy saving and consumption reduction of vehicle. The outer wall of first pipeline and second pipeline does not have butt or the part that does not coincide in addition, when needs refrigeration, integrated radiator subassembly need be to external release heat, and second pipeline and first pipeline are partial outer wall butt or coincidence only for second pipeline and first pipeline all can be directly to external release heat, increase integrated radiator subassembly's radiating effect.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is a schematic structural diagram of an integrated heat sink assembly in one embodiment provided herein;

FIG. 2 is a cross-sectional view of the first header pipe and the second header pipe of FIG. 1;

FIG. 3 is a cross-sectional view of a cooling tube;

FIG. 4 is a partial cross-sectional view of the first header and the second header.

Reference numerals:

1-a cooling tube;

11-a first conduit;

111-a first flow channel;

12-a second conduit;

2-a first liquid collecting pipe;

21-a first left header pipe;

211-a first liquid inlet;

212-a first separator;

213-a first chamber;

22-a first right header;

221-a first liquid outlet;

222-a second separator;

223-a second chamber;

3-a second liquid collecting pipe;

31-a second left header pipe;

311-a second liquid inlet;

312-a third separator;

313-a third chamber;

32-a second right header;

321-a second liquid outlet;

322-a fourth separator;

323-a fourth chamber;

4-radiating fins.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

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

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the 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 angles shown in 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.

As shown in fig. 1 and 2, and referring to fig. 2 in detail, the present application provides an integrated radiator assembly including a plurality of sets of cooling tubes 1, first header tubes 2, and second header tubes 3. Each set of cooling pipes 1 comprises a first pipe 11 and a second pipe 12, wherein a part of the outer wall of the first pipe 11 abuts against or coincides with a part of the outer wall of the second pipe 12 along the length direction of the integrated radiator assembly, the first pipe 11 is used for circulating a refrigerant, and the second pipe 12 is used for circulating a cooling liquid. The first header pipe 2 includes a first left header pipe 21 and a first right header pipe 22, and along the length direction of the integrated radiator assembly, the two ends of the plurality of first pipelines 11 are respectively arranged and are respectively communicated with the first pipelines 11. The second header 3 includes a second left header 31 and a second right header 32, and is disposed at both ends of the plurality of second tubes 12 along the length direction of the integrated radiator module, and is communicated with the second tubes 12, respectively.

To more clearly illustrate the integrated heat sink assembly in the present application, the length direction of the integrated heat sink assembly is defined as L, the width direction of the integrated heat sink assembly is defined as W, and the height direction of the integrated heat sink assembly is defined as H.

In this embodiment, the integrated radiator assembly is equivalent to integrating the heat exchanger and the radiator, the first header pipe 2 is used for collecting the refrigerant, the second header pipe 3 is used for collecting the cooling liquid, and part of outer walls of the first pipeline 11 and the second pipeline 12 are abutted or overlapped, such a structure enables the refrigerant in the first pipeline 11 and the cooling liquid in the second pipeline 12 to exchange heat, when heating is needed, the heat of the second pipeline 12 can be transferred to the first pipeline 11, the refrigerant in the first pipeline 11 can absorb a large amount of heat carried by the cooling liquid in the second pipeline 12, the cooling liquid in the second pipeline 12 is cooled, the heat absorption requirement of the refrigerant is met, extra air supplement and enthalpy increase are not needed, meanwhile, the heat of the motor and the electric control system is effectively utilized, and energy saving and consumption reduction of the vehicle are facilitated. The outer wall of first pipeline 11 and second pipeline 12 still has not butt or the part of misalignment, and when needs were refrigerated, integrated radiator subassembly need be to external release heat, and second pipeline 12 and first pipeline 11 are only partial outer wall butt or coincidence for second pipeline 12 and first pipeline 11 all can be directly to external release heat, increase integrated radiator subassembly's radiating effect.

In one embodiment, as shown in FIG. 2, the first conduit 11 and the second conduit 12 are fixedly connected or integrally formed.

In this embodiment, first pipeline 11 and second pipeline 12 are through fixed connection for the partial outer wall of first pipeline 11 and second pipeline 12 can the butt, and each group's cooling tube 1's stability is better behind the fixed connection, increases integrated radiator assembly's user experience, and fixed connection can be for the welding, bonds or through modes such as connecting piece connection. The first pipeline 11 and the second pipeline 12 can also be integrally formed, and partial outer walls of the first pipeline 11 and the second pipeline 12 are overlapped, that is, the first pipeline 11 and the second pipeline 12 share partial outer walls, so that the intermediary media for heat transfer is reduced, and the heat exchange effect is improved.

In one embodiment, as shown in fig. 2 and 3, the first conduit 11 and the second conduit 12 abut or coincide in the direction of maximum cross-sectional area.

In this embodiment, the first pipe 11 and the second pipe 12 are abutted or overlapped in the direction that the area of the abutting surface or the overlapping surface is the largest, so that the heat exchange effect of the first pipe 11 and the second pipe 12 can be increased, and when heating is needed, the heat in the second pipe 12 can be absorbed, so that the heat of the motor and the electric control system can be recycled.

The first pipeline 11 and the second pipeline 12 may be flat pipes or square pipes, and abut against or overlap each other along the plane having the largest cross-sectional area of the flat pipes or the square pipes, and the overlapping described here is that the same pipe wall is shared.

Further, as shown in fig. 3, the first duct 11 and the second duct 12 are arranged up and down in the height direction of the cooling pipe 1.

In this embodiment, the first pipe 11 and the second pipe 12 are arranged up and down along the height direction of the cooling pipe 1, and the arrangement direction maximizes the abutting or overlapping area, so that the size of the integrated radiator assembly along the height direction of the cooling pipe 1 can be reduced, which is beneficial to reducing the overall volume of the radiator assembly.

In one embodiment, as shown in fig. 3, the first tube 11 is provided with a plurality of first flow channels 111 for circulating a refrigerant, and each of the first flow channels 111 communicates with the first header pipe 2.

In this embodiment, the provision of the plurality of first flow channels 111 increases the contact area between the refrigerant and the first tube 11, and thus the heat exchange rate between the refrigerant and the first tube 11 can be increased.

In one embodiment, as shown in FIGS. 2 and 4, the first left header 21 and the second left header 31 are integrally formed or fixedly coupled, and the first right header 22 and the second right header 32 are integrally formed or fixedly coupled.

In this embodiment, the first left liquid collecting tube 21 and the second left liquid collecting tube 31 may be fixedly connected, for example, welded or fixed together by the connecting member with the first left liquid collecting tube 21 and the second left liquid collecting tube 31, or the first left liquid collecting tube 21 and the second left liquid collecting tube 31 may also be integrally formed, so that the first left liquid collecting tube 21 and the second left liquid collecting tube 31 are arranged in parallel. The first and second

right header pipes

22 and 32 are connected in the same manner as the first and second

left header pipes

21 and 31. The first liquid collecting pipe 2 and the second liquid collecting pipe 3 which are positioned on the same side are connected together, so that the integrated radiator assembly is convenient to move or use.

Or as shown in fig. 4, the first header pipes 2 located on the same side are sleeved inside or outside the second header pipes 3, so that the first header pipes 2 and the second header pipes 3 located on the same side are fixedly connected, and the volume of the integrated radiator assembly can be further reduced.

In one embodiment, as shown in fig. 1 and 2, one of the first left liquid collecting tube 21 and the first right liquid collecting tube 22 is provided with a first liquid inlet 211, the other one is provided with a first liquid outlet 221, the first liquid inlet 211 and the first liquid outlet 221 are communicated through a first external pipeline, one of the second left liquid collecting tube 31 and the second right liquid collecting tube 32 is provided with a second liquid inlet 311, the other one is provided with a second liquid outlet 321, and the second liquid inlet 311 and the second liquid outlet 321 are communicated through a second external pipeline.

In this embodiment, the two first liquid collecting pipes 2 are respectively provided with a first liquid inlet 211 and a first liquid outlet 221, and the two second liquid collecting pipes 3 are respectively provided with a second liquid inlet 311 and a second liquid outlet 321. The first liquid inlet 211 and the first liquid outlet 221 are arranged to be communicated with the first external pipeline conveniently, so that the first external pipeline is arranged more flexibly. Similarly, the second inlet 311 and the second outlet 321 can be conveniently communicated with the second external pipeline, so that the second external pipeline is more flexibly arranged.

Of course, the first liquid inlet 211 and the first liquid outlet 221 may be disposed on the same first liquid collecting tube 2, and the second liquid inlet 311 and the second liquid outlet 321 may be disposed on the same second liquid collecting tube 3.

In order to increase the heat exchange effect between the refrigerant and the cooling liquid, the flow direction of the refrigerant in the first pipe 11 and the flow direction of the cooling liquid in the second pipe 12 may be opposite, i.e. they may exchange heat in a counter-current manner.

In one embodiment, as shown in fig. 2, the first left header 21 is provided with N first barriers 212 to partition the first left header 21 into N +1 unconnected first chambers 213, the first right header 22 is provided with M second barriers 222 to partition the first right header 22 into M +1 unconnected second chambers 223, and the first barriers 212 and the second barriers 222 are alternately arranged in the height direction of the cooling tube 1.

In this embodiment, the numbers of N and M may be equal, and N and M are integers greater than or equal to 1, the volumes of the plurality of first chambers 213 may be equal or different, and the volumes of the plurality of second chambers 223 may be equal or different. The adjacent first chambers 213 are not communicated, the adjacent second chambers 223 are not communicated, and the adjacent first chambers 213 and the adjacent second chambers 223 are communicated through the first pipeline 11. If the first liquid inlet 211 is provided to the first left header 21, the first and

second partitions

212 and 222 arranged in a staggered manner allow the refrigerant to sequentially enter the second chamber 223 from the first chamber 213, then return to the first chamber 213 to enter the second chamber 223 again until reaching the first liquid outlet 221. The refrigerant sequentially passes through the respective first and

second chambers

213 and 223 and exchanges heat with the coolant, thereby improving the heat exchange effect.

In one embodiment, as shown in FIG. 2, the second left header 31 is provided with X third partition plates 312 to divide the second left header 31 into X +1 unconnected third chambers 313; the second right header 32 is provided with Y fourth barriers 322 to partition the second right header 32 into Y +1 fourth chambers 323 that are not connected, and the third barriers 312 and the fourth barriers 322 are alternately arranged in the height direction of the cooling tube 1.

In this embodiment, the number of X and Y may be equal, and X and N may also be equal, and X and Y are integers greater than or equal to 1. The volumes of the plurality of third chambers 313 may be equal or different, and the volumes of the plurality of fourth chambers 323 may be equal or different. The adjacent third chambers 313 are not communicated, the adjacent fourth chambers 323 are not communicated, and the adjacent third chambers 313 and the adjacent fourth chambers 323 are communicated through the second pipeline 12. If the second inlet port 311 is provided in the second left header pipe 31, the third partition plates 312 and the fourth partition plates 322 arranged in a staggered manner allow the cooling liquid to sequentially enter the fourth chamber 323 from the third chamber 313, then return to the third chamber 313 and enter the fourth chamber 323 again until reaching the second outlet port 321. The cooling liquid passes through each of the third and

fourth chambers

313 and 323 in sequence and exchanges heat with the refrigerant, so that the heat exchange effect can be improved.

It should be noted that, the first partition plate 212, the second partition plate 222, the third partition plate 312 and the fourth partition plate 322 may be disposed at the same time, so that the refrigerant may sequentially pass through the first chamber 213 and the second chamber 223 from top to bottom until reaching the first liquid outlet 221, and the cooling liquid may also sequentially pass through the third chamber 313 and the fourth chamber 323 from top to bottom until reaching the second liquid outlet 321, thereby improving the heat exchange effect between the refrigerant and the cooling liquid.

In one embodiment, as shown in fig. 1, heat dissipating fins 4 are provided between adjacent cooling tubes 1.

In this embodiment, the heat dissipation fins 4 are disposed to increase heat exchange between the integrated heat sink assembly and the air, so as to improve the heat exchange effect of the integrated heat sink assembly.

Another aspect of the present application also provides a heat pump system, including: the air-conditioning heat pump system and the motor cooling system and the integrated radiator assembly, wherein the air-conditioning heat pump system and the motor cooling system share one integrated radiator assembly.

Air conditioner heat pump system and motor cooling system share an integrated radiator subassembly, can reduce the demand of arranging the space to the front end, and when low temperature heating, can utilize the heat that motor cooling system distributed out, reduce heat pump system's energy consumption, and when high temperature dispels the heat, be favorable to giving the heat of coolant liquid and refrigerant and go to in giving the external world, the refrigerant can also play the effect of giving the coolant liquid cooling.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An integrated heat sink assembly, comprising:

a plurality of groups of cooling pipes (1), wherein each group of cooling pipes (1) comprises a first pipeline (11) and a second pipeline (12), part of outer wall of the first pipeline (11) is abutted or coincided with part of outer wall of the second pipeline (12) along the length direction of the integrated radiator assembly, the first pipeline (11) is used for circulating a refrigerant, and the second pipeline (12) is used for circulating a cooling liquid;

the first header pipe (2) comprises a first left header pipe (21) and a first right header pipe (22), and the first left header pipe (21) and the first right header pipe (22) are respectively arranged at two ends of the first pipelines (11) and are respectively communicated with the first pipelines (11) along the length direction of the integrated radiator assembly;

the radiator comprises a first header pipe (3), a first left header pipe (31) and a first right header pipe (32), and is characterized in that the length direction of the integrated radiator assembly is followed, the first left header pipe (31) and the first right header pipe (32) are respectively arranged at two ends of a plurality of second pipelines (12) and are respectively communicated with the second pipelines (12).

2. An integrated radiator assembly according to claim 1, wherein the first conduit (11) and the second conduit (12) are fixedly connected or integrally formed.

3. An integrated heat sink assembly according to claim 1, wherein the first conduit (11) and the second conduit (12) abut or coincide in the direction of maximum cross-sectional area.

4. An integrated heat sink assembly according to claim 3, characterised in that the first and second conduits (11, 12) are arranged one above the other in the height direction of the cooling tube (1).

5. An integrated radiator assembly according to claim 1, wherein the first conduit (11) is provided with a plurality of first flow channels (111) for circulating a refrigerant, each of the first flow channels (111) communicating with the first header pipe (2).

6. An integrated radiator assembly according to claim 1, wherein the first left header (21) and the second left header (31) are integrally formed or fixedly connected, and the first right header (22) and the second right header (32) are integrally formed or fixedly connected.

7. An integrated heat sink assembly according to any of claims 1-6, wherein one of the first left liquid collecting tube (21) and the first right liquid collecting tube (22) is provided with a first liquid inlet (211) and the other is provided with a first liquid outlet (221), the first liquid inlet (211) and the first liquid outlet (221) are communicated through a first external pipeline, one of the second left liquid collecting tube (31) and the second right liquid collecting tube (32) is provided with a second liquid inlet (311), the other is provided with a second liquid outlet (321), and the second liquid inlet (311) and the second liquid outlet (321) are communicated through a second external pipeline.

8. An integrated radiator assembly according to any one of claims 1 to 6, wherein the first left header (21) is provided with N first partition plates (212) to partition the first left header (21) into N +1 non-communicating first chambers (213), the first right header (22) is provided with M second partition plates (222) to partition the first right header (22) into M +1 non-communicating second chambers (223), and the first partition plates (212) and the second partition plates (222) are arranged alternately in the height direction of the cooling tubes (1).

9. An integrated radiator assembly according to any one of claims 1 to 6, wherein the second left header (31) is provided with X third partition plates (312) to divide the second left header (31) into X +1 unconnected third chambers (313); the second right liquid collecting pipe (32) is provided with Y fourth clapboards (322) to divide the second right liquid collecting pipe (32) into Y +1 unconnected fourth chambers (323), and the third clapboards (312) and the fourth clapboards (322) are arranged in a staggered mode along the height direction of the cooling pipe (1).

10. An integrated radiator assembly according to any one of claims 1 to 6, wherein between adjacent cooling tubes (1) are provided fins (4).

11. A heat pump system, characterized in that the heat pump system comprises:

an air-conditioning heat pump system and a motor cooling system;

an integrated heat sink assembly, the integrated heat sink assembly of any one of claims 1-10;

the air-conditioning heat pump system and the motor cooling system share one integrated radiator assembly.