CN220456458U - Integrated cooling device and fuel cell cooling system - Google Patents

Abstract

The utility model discloses an integrated cooling device and a fuel cell cooling system, which belong to the technical field of fuel cells and comprise a shell component, a plurality of hydraulic pumps, a plurality of liquid inlet connectors, a plurality of liquid discharge connectors, a liquid outlet connector set and a liquid inlet connector set, wherein the liquid inlet connectors, the liquid outlet connector set and the liquid inlet connector set are respectively arranged on the shell component, the shell component is provided with a first converging cavity, a second converging cavity, a plurality of first runners and a plurality of second runners, the liquid inlet connectors are communicated with the first converging cavity, the liquid outlet connector set is communicated with the first converging cavity and the liquid inlet connector set, the liquid inlet connector set is communicated with the second converging cavity, the first runners are communicated with the second converging cavity and are communicated with pump inlets of the hydraulic pumps in one-to-one correspondence, pump outlets of the hydraulic pumps are communicated with the second runners in one-to-one correspondence, and the liquid discharge connectors are communicated with inlets of a plurality of galvanic piles in one-to-one correspondence. The utility model can reduce the probability of connection failure and leakage of cooling liquid, has simple structure and lower failure rate.

Description

Integrated cooling device and fuel cell cooling system

Technical Field

The present utility model relates to the field of fuel cell technologies, and in particular, to an integrated cooling device and a fuel cell cooling system.

Background

Fuel cells typically include a number of stacks, and a fuel cell coolant system is required to cool each stack. At present, in order to ensure the effect of cooling liquid, each electric pile is correspondingly connected with a cooling pipeline to be connected with a water pump, so that the cooling liquid has enough power.

In the prior art, a plurality of water pumps are usually arranged together, the inlet of each water pump is communicated with a plurality of control valve bodies on one connecting pipe through one water pipe, the outlet of each water pump is communicated with a plurality of control valves on the other connecting pipe through one water pipe, and the control valves are communicated with other components of a fuel cell cooling system or a galvanic pile to form a loop.

Therefore, in the prior art, the water pump needs to be connected with a plurality of water pipes, so that the structure of the battery cooling system is complex, the assembly of the battery cooling system is difficult, the water pipes are easy to shake due to collision of other structures, the water pipes are easy to fail in connection with the water pump, the cooling liquid leaks and other problems, and the failure rate is high.

Disclosure of Invention

The utility model aims to provide an integrated cooling device and a fuel cell cooling system, which can reduce the probability of connection failure and leakage of cooling liquid, and have simple structure and lower failure rate.

The technical scheme adopted by the utility model is as follows:

the integrated cooling device comprises a shell component, a plurality of hydraulic pumps, a plurality of liquid inlet connectors, a plurality of liquid outlet connectors, a liquid outlet connector set and a liquid inlet connector set, wherein the liquid inlet connectors, the liquid outlet connector set and the liquid inlet connector set are respectively arranged on the shell component, the shell component is provided with a first converging cavity, a second converging cavity, a plurality of first flow channels and a plurality of second flow channels, the liquid inlet connectors are configured to be in one-to-one communication with a plurality of galvanic pile outlets, the liquid inlet connectors are communicated with the first converging cavity and can be communicated with the liquid inlet connector component, the liquid inlet connector set is communicated with the second converging cavity, the first flow channels are communicated with the second converging cavity and are in one-to-one communication with pump inlets of the hydraulic pumps, the pump outlet connectors are configured to be in one-to-one communication with inlets of a plurality of galvanic piles.

Optionally, the shell assembly includes a first shell and connect respectively in second casing and the third casing of first casing, first casing has first recess, second recess, a plurality of third recess and a plurality of fourth recess, the second casing has fifth recess and a plurality of sixth recess, the third casing has seventh recess and a plurality of eighth recess, first recess with the fifth recess cooperation forms first chamber that converges, the second recess with the eighth recess cooperation forms a plurality of second chamber that converges, a plurality of third recess with a plurality of sixth recess one-to-one cooperation forms a plurality of first runners, a plurality of fourth recess with a plurality of eighth recess one-to-one cooperation forms a plurality of second runners, the feed liquor connects, the drain connects and the feed liquor connects set up respectively in first casing, the drain connects the set up in the second casing.

Optionally, the second housing and the third housing are located on the same side of the first housing.

Optionally, the hydraulic pump is fixedly arranged on the first shell.

Optionally, the hydraulic pump, the liquid inlet connector and the liquid outlet connector are located on the same side of the first housing, and the hydraulic pump and the second housing are located on two sides of the first housing respectively.

Optionally, the device further comprises a first temperature sensor and a first pressure sensor respectively arranged on the third shell, wherein the first temperature sensor is configured to detect the temperature of the fluid in the second confluence cavity, and the first pressure sensor is configured to detect the pressure of the fluid in the second confluence cavity.

Optionally, the liquid outlet joint group comprises a first plate exchange outlet, a second plate exchange outlet and a PTC inlet, the liquid inlet joint comprises a first plate exchange interface, a second plate exchange interface and a PTC interface, the first plate exchange outlet can be communicated with the first plate exchange interface, the second plate exchange outlet can be communicated with the second plate exchange interface, and the PTC inlet can be communicated with the PTC interface.

Optionally, the shell component further has a functional cavity, the functional cavity is communicated with the second converging cavity, and the integrated cooling device further comprises a liquid injection ball valve interface and an expansion tank interface, wherein the liquid injection ball valve interface and the expansion tank interface are arranged on the shell component and are respectively communicated with the functional cavity.

Optionally, the housing assembly further includes a third manifold chamber, a plurality of the second flow channels are in communication with the third manifold chamber, a plurality of the drain connectors are in communication with the third manifold chamber, the integrated cooling device further includes a second temperature sensor configured to detect a temperature of fluid within the third manifold chamber, and a second pressure sensor configured to detect a pressure of fluid within the third manifold chamber.

A fuel cell cooling system comprising a fluid temperature regulating assembly having an inlet in communication with the outlet set of connectors and an outlet in communication with the inlet set of connectors, the fluid temperature regulating assembly being configured to regulate the temperature of fluid flowing therethrough, and an integrated cooling device as described above.

The utility model has the beneficial effects that:

according to the integrated cooling device and the fuel cell cooling system, the liquid inlet connector, the liquid outlet connector group and the liquid inlet connector group are arranged on the shell component, so that the outflow and the outflow of cooling liquid in the shell component can be realized, the shell component is also provided with the plurality of hydraulic pumps, the pressurization of the cooling liquid in different first flow channels is realized, the first converging cavity, the second converging cavity, the first flow channel and the second flow channel are arranged in the shell component to replace pipelines in the prior art, when the shell component collides with other structures, the first converging cavity, the second converging cavity, the first flow channel and the second flow channel in the shell component are not influenced, the problem of connection failure with the hydraulic pumps is solved, the problem of leakage of the cooling liquid is reduced, the failure rate is reduced, the integrated structure is simpler, and the assembly and the disassembly are convenient.

Drawings

FIG. 1 is a schematic diagram of an integrated cooling device according to an embodiment of the present utility model;

FIG. 2 is a front view of an integrated cooling device provided by an embodiment of the present utility model;

FIG. 3 is a rear view of an integrated cooling device provided by an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of the second housing turned over relative to the first housing according to the embodiment of the present utility model;

fig. 5 is a schematic structural diagram of the third housing turned over relative to the first housing according to the embodiment of the present utility model.

In the figure:

1. a housing assembly; 11. a first confluence chamber; 12. a second confluence chamber; 13. a first flow passage; 14. a second flow passage; 15. a first housing; 151. a first groove; 152. a second groove; 153. a third groove; 154. a fourth groove; 16. a second housing; 161. a fifth groove; 162. a sixth groove; 17. a third housing; 171. a seventh groove; 172. an eighth groove; 18. a functional cavity; 19. a third confluence chamber; 2. a hydraulic pump; 21. a pump inlet; 22. a pump outlet; 3. a liquid inlet joint; 4. a liquid discharge joint; 5. a liquid outlet joint group; 51. a first plate change outlet; 52. a second plate change outlet; 53. a PTC inlet; 6. a liquid inlet joint group; 61. a first board change interface; 62. a second board change interface; 63. a PTC interface; 7. a first temperature sensor; 8. a first pressure sensor; 9. a liquid injection ball valve interface; 10. an expansion tank interface; 20. a second temperature sensor; 30. and a second pressure sensor.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides an integrated cooling device, which is applied to a fuel cell cooling system, can reduce the probability of connection failure and leakage of cooling liquid, and has a simple structure and a lower failure rate.

As shown in fig. 1 to 5, the integrated cooling device includes a housing assembly 1, a plurality of hydraulic pumps 2, a plurality of liquid inlet connectors 3, a plurality of liquid outlet connectors 4, a liquid outlet connector set 5 and a liquid inlet connector set 6, which are respectively disposed on the housing assembly 1. The liquid inlet connectors 3 are used for communicating with the plurality of pile outlets in a one-to-one correspondence manner, so that cooling liquid flowing out of the pile can flow to the liquid inlet connectors 3; the plurality of drain connectors 4 are for one-to-one communication with the inlets of the plurality of stacks for supplying the cooling liquid to the stacks. The number of the hydraulic pumps 2 is equal to the number of the liquid inlet joints 3, the number of the liquid inlet joints 3 is equal to the number of the liquid discharge joints 4, and the number of the liquid discharge joints 4 is equal to the number of the galvanic piles. In this embodiment, 5 hydraulic pumps 2, liquid inlet connectors 3, liquid outlet connectors 4 and galvanic piles are provided.

The housing assembly 1 has a first converging chamber 11, a second converging chamber 12, a plurality of first flow passages 13 and a plurality of second flow passages 14. The first converging cavity 11 and the second converging cavity 12 are independent of each other, and the plurality of liquid inlet connectors 3 are all communicated with the first converging cavity 11, so that the cooling liquid at the liquid inlet connector 3 can flow into the first converging cavity 11. The liquid outlet joint group 5 is communicated with the first confluence cavity 11 and can be communicated with the liquid inlet joint group 6. In this embodiment, the liquid outlet joint set 5 is communicated with the inlet of the fluid temperature adjusting component of the fuel cell cooling system, the cooling liquid flowing into the liquid outlet joint set is treated by the fluid temperature adjusting component, and the treated cooling liquid flows from the outlet of the fluid temperature adjusting component to the liquid inlet joint set 6. The liquid inlet joint group 6 is communicated with the second converging cavity 12, and the plurality of first flow passages 13 are communicated with the second converging cavity 12 and are communicated with pump inlets 21 of the plurality of hydraulic pumps 2 in a one-to-one correspondence manner, so that the cooling liquid in the second converging cavity 12 can flow into the plurality of hydraulic pumps 2 through the plurality of first flow passages 13 respectively so as to be pressurized through the hydraulic pumps 2. The pump outlets 22 of the plurality of hydraulic pumps 2 are in one-to-one correspondence with the second flow passages 14 so that the pressurized coolant can flow to the plurality of second flow passages 14. The second flow passages 14 are in one-to-one correspondence with the liquid discharge joints 4, so that the pressurized cooling liquid is conveyed to the inlet of the electric pile through the second flow passages 14 and the liquid discharge joints 4.

According to the integrated cooling device provided by the embodiment, the liquid inlet connector 3, the liquid outlet connector 4, the liquid outlet connector group 5 and the liquid inlet connector group 6 are arranged on the shell component 1, so that the outflow and the outflow of cooling liquid in the shell component 1 can be realized, the plurality of hydraulic pumps 2 are further arranged on the shell component 1, the pressurization of the cooling liquid in different first flow channels 13 is realized, the first flow converging cavity 11, the second flow converging cavity 12, the first flow channels 13 and the second flow channels 14 are arranged in the shell component 1, pipelines in the prior art are replaced, when the shell component 1 collides with other structures, the first flow converging cavity 11, the second flow converging cavity 12, the first flow channels 13 and the second flow channels 14 in the shell component 1 are not influenced, the problem of connection failure with the hydraulic pumps 2 is solved, the problem of cooling liquid leakage is reduced, the failure rate is reduced, the integrated structure is simpler, and the assembly and the disassembly are convenient.

Alternatively, as shown in fig. 2, the housing assembly 1 includes a first housing 15, and a second housing 16 and a third housing 17 respectively connected to the first housing 15. As shown in fig. 4 and 5, the first housing 15 has a first groove 151, a second groove 152, a plurality of third grooves 153, and a plurality of fourth grooves 154, the second housing 16 has a fifth groove 161 and a plurality of sixth grooves 162, and the third housing 17 has a seventh groove 171 and a plurality of eighth grooves 172. In fig. 4, the second housing 16 is turned 180 ° with respect to the first housing 15 for convenience of showing the fifth groove 161 and the sixth groove 162. In fig. 5, the third housing 17 is turned 180 ° with respect to the first housing 15 for convenience of showing the seventh recess 171 and the eighth recess 172.

The second casing 16 is buckled with the first casing 15, so that the first grooves 151 and the fifth grooves 161 are matched to form a first converging cavity 11, the second grooves 152 and the seventh grooves 171 are matched to form a plurality of second converging cavities 12, the third grooves 153 and the sixth grooves 162 are in one-to-one correspondence, each third groove 153 and the sixth grooves 162 corresponding to the third grooves 153 are matched to form a first flow channel 13, the fourth grooves 154 and the eighth grooves 172 are in one-to-one correspondence, and each fourth groove 154 and the eighth grooves 172 corresponding to the fourth grooves 154 are matched to form a second flow channel 14. The liquid inlet connector 3, the liquid outlet connector 4 and the liquid inlet connector set 6 are respectively arranged on the first shell 15, and the liquid outlet connector set 5 is arranged on the second shell 16.

With continued reference to fig. 4, the second housing 16 and the third housing 17 are located on the same side of the first housing 15 so as to cooperate with the pump inlet 21 and the pump outlet 22 of the hydraulic pump 2. Optionally, the hydraulic pump 2 in this embodiment is fixedly disposed on the first housing 15, and the hydraulic pump 2 and the second housing 16 (or the third housing 17) are respectively disposed on two sides of the first housing 15, so as to prevent mutual interference between the hydraulic pump 2 and the first housing 15 or the third housing 17, and facilitate arrangement of the first housing 15, the second housing 16 and the hydraulic pump 2. It should be noted that, in fig. 1, the pump inlet 21 of the hydraulic pump 2 is located on an end face of the hydraulic pump 2 connected to one end of the first housing 15, the pump inlet 21 is located at a bottom end of the hydraulic pump 2, the pump outlet 22 is located on a side wall of the hydraulic pump 2, and the pump outlet 22 is located near the bottom end of the hydraulic pump 2, so as to be convenient to communicate with the second flow passage 14.

Optionally, with continued reference to fig. 1, the hydraulic pump 2, the liquid inlet connector 3 and the liquid outlet connector 4 are located on the same side of the first housing 15, so as to fully utilize the space on the first housing 15. In this embodiment, in order to reduce the mutual interference between the liquid inlet connector 3 and the liquid outlet connector 4, the height of the liquid outlet connector 4 is greater than that of the liquid inlet connector 3, so as to be connected with an external pipeline, thereby facilitating the assembly of the integrated cooling device.

In some alternative embodiments, the integrated cooling device further comprises a first temperature sensor 7 and a first pressure sensor 8, respectively, provided on the third housing 17. Wherein the first temperature sensor is used to detect the temperature of the fluid in the second confluence chamber 12 in order to detect the temperature of the coolant before entering the hydraulic pump 2. The first pressure sensor 8 is used for detecting the pressure of the fluid in the second confluence cavity 12 so as to detect the pressure of the cooling liquid before entering the hydraulic pump 2, thereby facilitating the control of the temperature and the pressure of the whole fuel cell cooling system.

Alternatively, as shown in fig. 2, the liquid outlet joint set 5 includes a first plate exchanging outlet 51, a second plate exchanging outlet 52 and a PTC inlet 53, the liquid inlet joint includes a first plate exchanging port 61, a second plate exchanging port 62 and a PTC port 63, the first plate exchanging outlet 51 can be communicated with the first plate exchanging port 61, the first plate exchanging outlet 51 and the first plate exchanging port 61 are both used for communicating with one plate heat exchanger, the second plate exchanging outlet 52 can be communicated with the second plate exchanging port 62, the second plate exchanging outlet 52 and the second plate exchanging port 62 are both used for communicating with the other plate heat exchanger, the PTC inlet 53 can be communicated with the PTC port 63, and the PTC inlet 53 and the PTC port 63 are both used for communicating with the PTC heater.

Still further alternatively, referring to fig. 2, the first plate change outlet 51 and the second plate change outlet 52 are both provided on a wall of the second housing 16 remote from the first housing 15 (i.e., a top wall of the second housing 16), and the PTC inlet 53 is provided on a side wall of the second housing 16. The first board change port 61, the second board change port 62 and the PTC port 63 are all disposed on the side wall of the first housing 15, and the plurality of ports are disposed in a dispersed manner, so that interference between the pipelines connected by the ports can be avoided, and reliability of the integrated cooling device can be improved.

As shown in fig. 4 and 5, the housing assembly 1 also has a functional chamber 18, the functional chamber 18 being in communication with the second confluence chamber 12, i.e. the cooling liquid in the second confluence chamber 12 can flow into the functional chamber 18. In the present embodiment, the extending direction of the functional cavities 18 is perpendicular to the extending direction of the second manifold cavities 12, for example, the second manifold cavities 12 extend in the horizontal direction and the functional cavities 18 extend in the vertical direction.

Further, the integrated cooling device further comprises a liquid injection ball valve interface 9 and an expansion tank interface 10 which are arranged on the shell assembly 1 and are respectively communicated with the functional cavity 18, wherein the liquid injection ball valve interface 9 is used for being communicated with a liquid injection ball valve, the expansion tank interface 10 is used for being communicated with an expansion tank, and in the embodiment, the liquid injection ball valve interface 9 and the expansion tank interface 10 are respectively arranged on the side wall of the first shell 15.

Optionally, as shown in fig. 4, the housing assembly 1 further includes a third confluence chamber 19, the plurality of second flow channels 14 are in communication with the third confluence chamber 19, and the plurality of drain connectors 4 are in communication with the third confluence chamber 19. The integrated cooling device further comprises a second temperature sensor 20 and a second pressure sensor 30, wherein the second temperature sensor is used for detecting the temperature of the fluid (i.e. the cooling liquid) in the third converging cavity 19, and the second pressure sensor 30 is used for detecting the pressure of the fluid in the third converging cavity 19, so that the detection of the temperature and the pressure of the cooling liquid after flowing to the liquid outlet pump 2 is realized, and the control of the temperature and the pressure of the cooling liquid before flowing to the electric pile is facilitated. Alternatively, the housing assembly 1 may not include the third manifold chamber 19, and in this case, each of the second flow passages 14 may be provided with a pressure sensor and a temperature sensor, so as to facilitate detection of the temperature and pressure of the coolant flowing to each of the stacks.

The embodiment also provides a fuel cell cooling system, which comprises a fluid temperature regulating component and the integrated cooling device.

The inlet of the fluid temperature adjusting component is communicated with the liquid outlet joint group 5, the outlet of the fluid temperature adjusting component is communicated with the liquid inlet joint group 6, the cooling liquid flows into the fluid temperature adjusting component after flowing out from the liquid outlet joint group 5, the fluid temperature adjusting component is used for adjusting the temperature of the fluid flowing through the fluid temperature adjusting component, and the adjusted cooling liquid flows into the second converging cavity 12 through the liquid inlet joint group 6.

Alternatively, the fluid temperature regulating assembly may include two plate heat exchangers and one PTC heating group, which may include a plurality of PTC heaters connected in series for heating the coolant. The plate heat exchanger is used for reducing the temperature of the cooling liquid flowing through it, which plate heat exchanger can be connected to other refrigeration equipment, see in particular the prior art.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The integrated cooling device is characterized by comprising a shell component (1), a plurality of hydraulic pumps (2) and a plurality of liquid inlet connectors (3), a plurality of liquid outlet connectors (4), a liquid outlet connector set (5) and a liquid inlet connector set (6) which are respectively arranged on the shell component (1), wherein the shell component (1) is provided with a first confluence cavity (11), a second confluence cavity (12), a plurality of first flow channels (13) and a plurality of second flow channels (14), the liquid inlet connectors (3) are configured to be communicated with a plurality of electric pile outlets in one-to-one correspondence, the liquid inlet connectors (3) are communicated with the first confluence cavity (11), the liquid outlet connector set (5) is communicated with the first confluence cavity (11) and can be communicated with the liquid inlet connector set (6), the liquid inlet connector set (6) is communicated with the second confluence cavity (12), the plurality of first flow channels (13) are communicated with the second confluence cavity (12) and are communicated with the liquid outlet connectors (14) which are in one-to-one correspondence to the second flow channels (21) and the liquid outlet connectors (14) are communicated with the liquid outlet connectors (4) in one-to one correspondence, a plurality of the drain connectors (4) are arranged in one-to-one correspondence with the inlets of a plurality of the stacks.

2. The integrated cooling device according to claim 1, wherein the housing assembly (1) comprises a first housing (15) and a second housing (16) and a third housing (17) respectively connected to the first housing (15), the first housing (15) has a first groove (151), a second groove (152), a plurality of third grooves (153) and a plurality of fourth grooves (154), the second housing (16) has a fifth groove (161) and a plurality of sixth grooves (162), the third housing (17) has a seventh groove (171) and a plurality of eighth grooves (172), the first groove (151) cooperates with the fifth groove (161) to form the first confluence chamber (11), the second groove (152) cooperates with the eighth groove (172) to form a plurality of second confluence chambers (12), the plurality of third grooves (153) cooperate with the plurality of sixth grooves (162) one to form a plurality of first flow channels (13), the plurality of fourth grooves (172) cooperate with the fourth grooves (172) to form the plurality of fluid flow channels (6) and the plurality of fluid flow channels (14) cooperate with the eighth grooves (172) to form the plurality of fluid flow channels (4) respectively, the liquid outlet joint group (5) is arranged on the second shell (16).

3. An integrated cooling device according to claim 2, characterized in that the second housing (16) and the third housing (17) are located on the same side of the first housing (15).

4. An integrated cooling device according to claim 2, characterized in that the hydraulic pump (2) is fixed to the first housing (15).

5. The integrated cooling device according to claim 2, characterized in that the hydraulic pump (2), the liquid inlet connector (3) and the liquid outlet connector (4) are located on the same side of the first housing (15), and the hydraulic pump (2) and the second housing (16) are located on both sides of the first housing (15), respectively.

6. The integrated cooling device according to claim 2, further comprising a first temperature sensor (7) and a first pressure sensor (8) respectively provided on the third housing (17), the first temperature sensor being configured to detect the temperature of the fluid in the second confluence chamber (12), the first pressure sensor (8) being configured to detect the pressure of the fluid in the second confluence chamber (12).

7. The integrated cooling device according to any one of claims 1-6, wherein the liquid outlet joint set (5) comprises a first plate change outlet (51), a second plate change outlet (52) and a PTC inlet (53), the liquid inlet joint comprises a first plate change interface (61), a second plate change interface (62) and a PTC interface (63), the first plate change outlet (51) is communicable with the first plate change interface (61), the second plate change outlet (52) is communicable with the second plate change interface (62), and the PTC inlet (53) is communicable with the PTC interface (63).

8. The integrated cooling device according to any one of claims 1-6, wherein the housing assembly (1) further has a functional cavity (18), the functional cavity (18) being in communication with the second converging cavity (12), the integrated cooling device further comprising a liquid injection ball valve interface (9) and an expansion tank interface (10) provided in the housing assembly (1) and in communication with the functional cavity (18), respectively.

9. The integrated cooling device according to any one of claims 1-6, wherein the housing assembly (1) further comprises a third converging chamber (19), a plurality of the second flow passages (14) being in communication with the third converging chamber (19), a plurality of the drain fittings (4) being in communication with the third converging chamber (19), the integrated cooling device further comprising a second temperature sensor (20) configured to detect a temperature of fluid within the third converging chamber (19) and a second pressure sensor (30) configured to detect a pressure of fluid within the third converging chamber (19).

10. A fuel cell cooling system comprising a fluid temperature regulating assembly having an inlet in communication with the outlet set of connectors (5) and an outlet in communication with the inlet set of connectors (6), the fluid temperature regulating assembly being configured to regulate the temperature of fluid flowing therethrough, and the integrated cooling device of any one of claims 1-9.