Liquid-cooled battery module

Abstract

The utility model provides a liquid cooling battery module which comprises a battery pack, a module lower cover plate, a module upper cover plate, a shell, a liquid cooling connecting assembly and an electric connection aluminum row, the electric connection aluminum row is installed at the lower end of the battery pack, the liquid cooling connecting assembly is installed at the upper end of the battery pack, the battery pack is installed in the shell, and the module lower cover plate is installed on the lower side of the electric connection aluminum row. The module upper cover plate is installed on the upper side of the liquid cooling connecting assembly, the battery pack comprises N liquid cooling single cores, N is a natural number larger than 2, liquid cooling channels are formed in the liquid cooling single cores, and liquid inlets and liquid outlets of the liquid cooling channels penetrate through the shell to be connected with the liquid cooling connecting assembly. According to the liquid-cooled battery module, the liquid-cooled flow channels are arranged in the liquid-cooled single cores, and the liquid-cooled connecting assemblies matched with the liquid-cooled flow channels are arranged, so that the heat dissipation efficiency of the module is effectively improved, the temperature control consistency is improved, and the energy density and the safety performance of the liquid-cooled battery module are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery technical field, concretely relates to a liquid cooling battery module. BACKGROUND

[0002] As the main power source of new energy field, with the increasing use requirement of new energy industry, the energy density of new energy battery is also increasing. In order to prevent the chain explosion caused by thermal runaway of single battery, the heat dissipation of battery module usually has two ways of air cooling and liquid cooling, and the air cooling has high heat dissipation intensity but poor heat dissipation consistency, while the liquid cooling heat dissipation system takes away heat through liquid circulation, so it has better heat dissipation consistency and efficiency compared with air cooling. The commonly used liquid cooling heat dissipation device usually sets the contact liquid cooling plate at the bottom or side of the module, or sets the liquid cooling channel plate material matched with the shape of the battery cell between the adjacent battery cells, and carries out heat management through surface contact. Compared with air cooling, the consistency is improved to a certain extent, but since the battery cell manages heat only through surface contact, the temperature difference between the inside and outside of the battery cell is still large, and the liquid cooling plate itself has a certain thickness and weight ratio, which reduces the mass energy density and volume energy density of the module. At the same time, since the liquid cooling liquid passes through a row of battery cells, there is a difference in temperature control effect at the starting position and the ending position, so how to improve the energy density while improving the heat dissipation effect of the battery cell, thereby improving the overall performance and service life of the battery module, has become a major focus of current research. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model provides a liquid cooling battery module, which sets a liquid cooling channel in the liquid cooling single core, and sets a liquid cooling connecting assembly for the battery pack integrated with the liquid cooling single core, so as to solve the problems of low heat dissipation efficiency, poor heat dissipation consistency and influence on battery energy density of the traditional liquid cooling heat dissipation device.

[0004] The utility model provides a liquid cooling battery module, which includes battery pack, module lower cover plate, module upper cover plate, shell, liquid cooling connecting assembly and electric connection aluminum row, the electric connection aluminum row is installed in battery pack lower end, the liquid cooling connecting assembly is installed in battery pack upper end, the battery pack is installed in the shell, the module lower cover plate is installed in the electric connection aluminum row downside, the module upper cover plate is installed in the liquid cooling connecting assembly upside,

[0005] The liquid cooling connecting assembly is used for realizing the communication of the liquid cooling channel inlet of the liquid cooling single core, the liquid cooling channel outlet of the liquid cooling single core and the external liquid cooling power source, and is inserted on the battery pack.

[0006] The liquid cooling connecting assembly includes liquid inlet liquid cooling connecting assembly and liquid outlet liquid cooling connecting assembly.

[0007] As a further solution, the liquid inlet liquid cooling connection assembly comprises a liquid inlet connection liquid flow channel, a liquid inlet liquid cooling quick plug, and a module liquid inlet external connection port.

[0008] As a further solution, the module liquid inlet external connection port is located at the starting end of the liquid inlet connection liquid flow channel, and the liquid inlet liquid cooling quick plug is arranged on the side of the liquid inlet connection liquid flow channel and cooperates with the liquid cooling channel inlet.

[0009] As a further solution, the liquid outlet liquid cooling connection assembly comprises a liquid outlet connection liquid flow channel, a liquid outlet liquid cooling quick plug, and a module liquid outlet external connection port; the module liquid outlet external connection port is located at the starting end of the liquid outlet connection liquid flow channel, and the liquid outlet liquid cooling quick plug is arranged on the side of the liquid outlet connection liquid flow channel and cooperates with the liquid cooling channel outlet.

[0010] As a further solution, the liquid inlet liquid cooling quick plug is inserted into the liquid cooling channel inlet and communicates with the liquid cooling channel inlet, and the liquid outlet liquid cooling quick plug is inserted into the liquid cooling channel outlet and communicates with the liquid cooling channel outlet.

[0011] The liquid cooling single core further comprises a positive pole and a negative pole, and the positive pole and the negative pole are both located at the lower end of the liquid cooling battery module.

[0012] As a further solution, the electrically connected aluminum row comprises a positive total pole, a negative total pole, and a connecting aluminum row; the positive total pole is fixedly connected with the positive pole of any one of the liquid cooling single cores in the battery pack, and the negative total pole is fixedly connected with the negative pole of any one of the liquid cooling single cores in the battery pack; and the positive total pole and the negative total pole are connected with two different liquid cooling single cores respectively.

[0013] As a further solution, the connecting aluminum row is connected with the positive pole and the negative pole of two adjacent liquid cooling single cores respectively.

[0014] As a further solution, the connecting aluminum row, the positive total pole, and the negative total pole can be further provided with through holes, and the through holes are selected from any one of a threaded hole and a through hole.

[0015] As a further solution, the upper insulating plate is located between the battery pack and the electrically connected aluminum row and is fixedly connected with the positive pole and the negative pole of the liquid cooling single core through the electrically connected aluminum row.

[0016] As a further solution, the upper insulating plate comprises a pole leakage hole, an aluminum row mounting groove, an explosion-proof valve pressure relief port, and a voltage and temperature sensing detection wiring slot; the pole leakage hole cooperates with the positive total pole and the negative total pole, the positive pole and the negative pole of the liquid cooling single core pass through the aluminum row mounting groove and are fixedly connected with two adjacent connecting aluminum rows, the explosion-proof valve pressure relief port cooperates with the explosion-proof valve on the liquid cooling single core, and the voltage and temperature sensing detection wiring slot is longitudinally and transversely distributed and communicates with the aluminum row mounting groove.

[0017] The module lower cover plate is fixedly connected with the shell.

[0018] The module upper cover plate is fixedly connected with the shell.

[0019] The liquid-cooled battery module further comprises a module upper insulation and heat insulation pad and a module lower insulation and heat insulation pad.

[0020] As a further scheme, the module upper insulation and heat insulation pad is arranged between the module lower cover plate and the electrically connected aluminum row and is fixed by extrusion of the module lower cover plate and the electrically connected aluminum row.

[0021] As a further scheme, the module lower insulation and heat insulation pad is arranged between the module upper cover plate and the liquid-cooled connecting assembly and is fixed by extrusion of the module upper cover plate and the liquid-cooled connecting assembly.

[0022] The liquid-cooled battery module further comprises a shell which is matched with the shape of the battery pack, and a structural support rib is arranged outside the shell.

[0023] As a further scheme, the liquid-cooled battery module further comprises a voltage and temperature sensor which is arranged at the positive and negative electrode lead-out side of the battery module.

[0024] The liquid-in liquid-cooled quick plug and the liquid-out liquid-cooled quick plug are further provided with sealing rings.

[0025] Compared with the prior art, the utility model has at least the following beneficial effects:

[0026] The utility model discloses a liquid cooling flow channel is arranged in the liquid-cooled single core, and the liquid-cooled connecting assembly matched with the liquid-cooled single core is equipped, and the cooling liquid is introduced into the liquid-cooled single core. This design not only effectively solves the heat dissipation problem in the electric core, improves the heat dissipation efficiency of the module, but also ensures that the cooling liquid can flow into each liquid-cooled single core through the shunt function of the liquid-cooled connecting assembly, so that each liquid-cooled single core enjoys a liquid cooling flow channel, thereby further improving the consistency of temperature control. In addition, the utility model also saves the conventional bottom plate or side plate liquid cooling plate, and further improves the energy density. At the same time, the separate setting of the current system and the liquid cooling system also significantly enhances the safety of the battery. BRIEF DESCRIPTION OF DRAWINGS

[0027] The drawings that constitute a part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and the explanation thereof are used to explain the utility model and do not constitute improper limitation on the utility model.

[0028] In the drawings:

[0029] Figure 1 It is the explosion map of the liquid-cooled battery module;

[0030] Figure 2A structure diagram of the liquid cooling connection assembly 1 is shown in the figure;

[0031] Figure 3 A longitudinal sectional view of the liquid cooling single core 21 is shown in the figure;

[0032] Figure 4 A structure diagram of the electrically connected aluminum row 3 is shown in the figure;

[0033] Figure 5 A top view of the upper insulating plate is shown in the figure;

[0034] Figure 6 A structure diagram of the electrically connected aluminum row 3, the upper insulating plate 4 and the liquid cooling connection assembly 1 is shown in the figure, wherein the arrow indicates the current direction;

[0035] Figure 7 A top view of the liquid cooling battery module module lower insulating heat insulation pad 7 and the module upper cover plate 8 is shown in the figure, wherein the arrow indicates the cooling liquid flow direction.

[0036] Wherein, 1-liquid cooling connection assembly; 11-liquid inlet liquid cooling connection assembly; 111-liquid inlet connection liquid flow channel; 112-liquid inlet liquid cooling quick plug; 113-module liquid inlet external connection port; 12-liquid outlet liquid cooling connection assembly; 121-liquid outlet connection liquid flow channel; 122-liquid outlet liquid cooling quick plug; 123-module liquid outlet external connection port; 2-battery pack; 21-liquid cooling single core; 22-liquid cooling channel inlet; 23-liquid cooling channel outlet; 24-liquid cooling channel; 25-positive pole post; 26-negative pole post; 3-electrically connected aluminum row; 31-positive pole total post; 32-negative pole total post; 33-connected aluminum row; 4-upper insulating plate; 41-pole post outer leakage through hole; 42-aluminum row mounting groove; 43-explosion-proof valve pressure relief port; 44-voltage temperature sensing detection wiring slot; 5-module upper insulating heat insulation pad; 6-module lower cover plate; 7-module lower insulating heat insulation pad; 8-module upper cover plate; 9-housing. DETAILED DESCRIPTION

[0037] In order to facilitate understanding, the utility model will be described more fully below, and the embodiments of the utility model are given, but the scope of the utility model is not limited by this.

[0038] As Figure 1 shown, the utility model provides a kind of liquid cooling battery module, including battery pack 2, module lower cover plate 6, module upper cover plate 8, housing 9, liquid cooling connection assembly 1 and electrically connected aluminum row 3, the electrically connected aluminum row 3 is installed in battery pack 2 lower end, the liquid cooling connection assembly 1 is installed in battery pack 2 upper end, the battery pack 2 is installed in housing 9, the module lower cover plate 6 is installed in electrically connected aluminum row 3 lower side, the module upper cover plate 8 is installed in liquid cooling connection assembly 1 upper side;

[0039] The liquid cooling connection assembly 1 is used to connect the liquid cooling channel inlet 22 of the liquid cooling single core 21, the liquid cooling channel outlet 23 of the liquid cooling single core 21, and the external liquid cooling power source. The liquid cooling connection assembly 1 is plugged into the battery pack 2.

[0040] like Figure 2 As shown, the liquid cooling connection assembly 1 includes an inlet liquid cooling connection assembly 11 and an outlet liquid cooling connection assembly 12.

[0041] like Figure 3 As shown, by setting a liquid cooling channel 24 inside the liquid-cooled single cell 21, the coolant is introduced into the cell, thereby greatly improving the heat dissipation capacity of the battery. At the same time, compared with the traditional liquid cooling channel setting, this utility model sets the liquid cooling channel 24 inside the liquid-cooled single cell 21, avoiding the introduction of additional liquid cooling channel plates or contact with liquid cooling plates, thereby effectively improving the capacity density of the battery.

[0042] The liquid inlet cooling connection assembly 11 includes a liquid inlet connection liquid flow channel 111, a liquid inlet cooling quick plug 112, and a module liquid inlet external connection port 113.

[0043] The module's external liquid inlet 113 is located at the beginning of the liquid inlet connection liquid flow channel 111, and the liquid inlet liquid cooling quick plug 112 is located on the side of the liquid inlet connection liquid flow channel 111 and cooperates with the liquid cooling channel inlet 22.

[0044] The liquid outlet cooling connection assembly 12 includes a liquid outlet connection liquid flow channel 121, a liquid outlet cooling quick connector 122, and a module liquid outlet external connection port 123. The module liquid outlet external connection port 123 is located at the starting end of the liquid outlet connection liquid flow channel 121, and the liquid outlet cooling quick connector 122 is located on the side of the liquid outlet connection liquid flow channel 121 and cooperates with the liquid cooling channel outlet 23.

[0045] The liquid inlet quick-connect plug 112 is inserted into and connected to the liquid cooling channel inlet 22, while the liquid outlet quick-connect plug 122 is inserted into and connected to the liquid cooling channel outlet 23. Through the liquid cooling connection assembly 1, this invention enables the coolant to be distributed, avoiding the uneven heat dissipation problem caused by multiple liquid cooling cores sharing a single liquid cooling channel, thereby effectively improving the consistency of heat dissipation and optimizing heat dissipation efficiency.

[0046] The liquid-cooled single cell 21 also includes a positive electrode post 25 and a negative electrode post 26, both of which are located at the lower end of the liquid-cooled battery module.

[0047] like Figure 4As shown, the electric connection aluminum row 3 includes a positive total pole 31, a negative total pole 32, and a connection aluminum row 33. The positive total pole 31 is fixedly connected with the positive pole 25 of any one liquid-cooled single core 21 in the battery pack, and the negative total pole 32 is fixedly connected with the negative pole 26 of any one liquid-cooled single core 21 in the battery pack. The positive total pole 31 and the negative total pole 32 are respectively connected with two different liquid-cooled single cores 21.

[0048] The connection aluminum row 33 is respectively connected with the positive pole 25 and the negative pole 26 of two adjacent liquid-cooled single cores 21.

[0049] The connection aluminum row 33, the positive total pole 31, and the negative total pole 32 can be further provided with a through hole selected from any one of a threaded hole and a through hole. The through hole provided on the connection aluminum row 33, the positive total pole 31, and the negative total pole 32 provides a feasible channel for the connection and distribution of the voltage temperature sensing sensor circuit, which helps to optimize the distribution of the voltage temperature sensing sensor circuit and avoid safety hazards.

[0050] The upper insulation plate is located between the battery pack 2 and the electric connection aluminum row 3 and is fixedly connected with the positive pole 25 and the negative pole 26 of the liquid-cooled single core 21 through the electric connection aluminum row 3.

[0051] As shown, Figure 5 The upper insulation plate 4 includes a pole outer leakage through hole 41, an aluminum row mounting groove 42, an explosion-proof valve pressure relief port 43, and a voltage temperature sensing detection wiring slot 44. The pole outer leakage through hole 41 is matched with the positive total pole 31 and the negative total pole 32, the positive pole 25 and the negative pole 26 of the liquid-cooled single core 21 pass through the aluminum row mounting groove 42 and are fixedly connected with the adjacent two connection aluminum rows 33, the explosion-proof valve pressure relief port 43 is matched with the explosion-proof valve on the liquid-cooled single core 21, and the voltage temperature sensing detection wiring slot 44 is longitudinally and transversely distributed and connected with the aluminum row mounting groove 42.

[0052] The module lower cover plate 6 is fixedly connected with the shell 9.

[0053] The module upper cover plate 8 is fixedly connected with the shell 9.

[0054] The liquid-cooled battery module further includes a module upper insulation heat insulation pad 5 and a module lower insulation heat insulation pad 7.

[0055] The module upper insulation heat insulation pad 5 is arranged between the module lower cover plate 6 and the electric connection aluminum row 3 and is fixedly connected through the module lower cover plate 6 and the electric connection aluminum row 3.

[0056] The module lower insulation heat insulation pad 7 is arranged between the module upper cover plate 8 and the liquid-cooled connection assembly and is fixedly connected through the module upper cover plate 8 and the liquid-cooled connection assembly.

[0057] The liquid-cooled battery module further comprises a shell 9 which is matched with the shape of the battery pack 2, and the outer side of the shell 9 is provided with a structural support rib.

[0058] The liquid-cooled battery module further comprises a voltage and temperature sensor which is arranged at the positive and negative electrode lead-out side of the battery module.

[0059] The liquid-cooled quick plug 112 and the liquid-cooled quick plug 122 are further provided with a sealing ring. The sealing ring is arranged to further improve the sealing performance of the liquid-cooled quick plug 112 and the liquid-cooled quick plug 122, and avoid leakage of the cooling liquid.

[0060] Embodiment 1

[0061] Preparation of the liquid-cooled battery module: arrange the liquid-cooled single core 21 into the battery pack 2, arrange the insulating plate 4 above the battery pack 2 to ensure that the positive pole 25 and the negative pole 26 of the liquid-cooled single core 21 are exposed, then sequentially install the connecting aluminum strips 33 in the aluminum strip installation groove 42, laser weld the connecting aluminum strips 33 with the positive pole 25 and the negative pole 26 of the liquid-cooled single core 21, after the welding is completed, turn over the battery pack 2, insert the liquid inlet liquid-cooled quick plug 112 and the liquid outlet liquid-cooled quick plug 122 into the liquid-cooled channel inlet 22 and the liquid-cooled channel outlet 23 of the liquid-cooled single core 21 respectively, place the battery pack 2 provided with the liquid-cooled connecting assembly 1 on the module lower cover plate 8 and the module lower insulating and heat insulation pad 7 which are sequentially placed from bottom to top, and cover the shell 9 on the above assembly, install the voltage and temperature detection line into the voltage and temperature detection wiring groove 44, sequentially cover the module lower insulating and heat insulation pad 7 and the module upper cover plate 6, and seal and fix by screw, after the fixing is completed, turn over the assembly, and fasten the module lower cover plate by screw to obtain the liquid-cooled battery module.

[0062] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not contradict each other, they should be considered as within the scope of the present disclosure. Although the embodiments of the present disclosure have been shown and described above, it should be understood that the above-described embodiments are exemplary and should not be construed as limiting the present disclosure, and those skilled in the art can modify, replace, substitute and deform the above-described embodiments within the scope of the present disclosure. In addition, those skilled in the art can combine and combine the features of different embodiments or examples described in the present disclosure and different embodiments or examples.

Claims

1. A liquid-cooled battery module, comprising: The application relates to a liquid-cooled battery module, which comprises a battery pack (2), a module lower cover plate (6), a module upper cover plate (8), a shell (9), a liquid-cooled connecting assembly (1) and an electric connecting aluminum row (3), wherein the electric connecting aluminum row (3) is arranged at the lower end of the battery pack (2), the liquid-cooled connecting assembly (1) is arranged at the upper end of the battery pack (2), the battery pack (2) is arranged in the shell (9), the module lower cover plate (6) is arranged at the lower side of the electric connecting aluminum row (3), and the module upper cover plate (8) is arranged at the upper side of the liquid-cooled connecting assembly (1). The battery pack (2) comprises N liquid-cooled single cores (21), wherein N is a natural number greater than 2, the liquid-cooled single core (21) is internally provided with a liquid-cooled channel (24), and the liquid inlet and the liquid outlet of the liquid-cooled channel (24) are connected with the liquid-cooled connecting assembly (1).

2. The liquid-cooled battery module of claim 1, wherein, The liquid-cooled connecting assembly (1) is used for realizing the communication of the liquid-cooled channel inlet (22) of the liquid-cooled single core (21), the liquid-cooled channel outlet (23) of the liquid-cooled single core (21) and an external liquid-cooled power source, and the liquid-cooled connecting assembly (1) is inserted on the battery pack (2). The liquid-cooled connecting assembly (1) comprises a liquid inlet liquid-cooled connecting assembly (11) and a liquid outlet liquid-cooled connecting assembly (12).

3. The liquid-cooled battery module of claim 2, wherein, The liquid inlet liquid-cooled connecting assembly (11) comprises a liquid inlet connecting liquid flow channel (111), a liquid inlet liquid-cooled quick plug (112) and a module liquid inlet external connecting port (113). The module liquid inlet external connecting port (113) is located at the starting end of the liquid inlet connecting liquid flow channel (111), the liquid inlet liquid-cooled quick plug (112) is arranged on the side of the liquid inlet connecting liquid flow channel (111) and is matched with the liquid-cooled channel inlet (22). The liquid outlet liquid-cooled connecting assembly (12) comprises a liquid outlet connecting liquid flow channel (121), a liquid outlet liquid-cooled quick plug (122) and a module liquid outlet external connecting port (123), the module liquid outlet external connecting port (123) is located at the starting end of the liquid outlet connecting liquid flow channel (121), the liquid outlet liquid-cooled quick plug (122) is arranged on the side of the liquid outlet connecting liquid flow channel (121) and is matched with the liquid-cooled channel outlet (23). The liquid inlet liquid-cooled quick plug (112) is inserted in the liquid-cooled channel inlet (22) and communicates with the liquid-cooled channel inlet (22), and the liquid outlet liquid-cooled quick plug (122) is inserted in the liquid-cooled channel outlet (23) and communicates with the liquid-cooled channel outlet (23).

4. The liquid-cooled battery module of claim 1, wherein, The positive pole column (25) and the negative pole column (26) of the liquid-cooled single core (21) are both located at the lower end of the liquid-cooled battery module. The electric connecting aluminum row (3) comprises a positive pole total column (31), a negative pole total column (32) and a connecting aluminum row (33), the positive pole total column (31) is fixedly connected with the positive pole column (25) of any one of the liquid-cooled single cores (21) in the battery pack, the negative pole total column (32) is fixedly connected with the negative pole column (26) of any one of the liquid-cooled single cores (21) in the battery pack, and the positive pole total column (31) and the negative pole total column (32) are respectively connected with two different liquid-cooled single cores (21). The connecting aluminum row (33) is respectively connected with the positive pole column (25) and the negative pole column (26) of two adjacent liquid-cooled single cores (21).

5. The liquid-cooled battery module of claim 1, wherein, The liquid-cooled battery module further comprises an upper insulating plate (4) located between the battery pack (2) and the electrically connected aluminum row (3), and the positive pole post (25) and the negative pole post (26) of the liquid-cooled single core (21) are fixedly connected with the electrically connected aluminum row (3) through extrusion; The upper insulating plate (4) comprises a pole post outer leakage through hole (41), an aluminum row mounting groove (42), an explosion-proof valve pressure relief port (43), and a voltage temperature sensing detection wiring slot (44), wherein the pole post outer leakage through hole (41) is matched with the positive total pole post (31) and the negative total pole post (32), the positive pole post (25) and the negative pole post (26) of the liquid-cooled single core (21) pass through the aluminum row mounting groove (42) and are fixedly connected with the adjacent two connected aluminum rows (33), the explosion-proof valve pressure relief port (43) is matched with the explosion-proof valve on the liquid-cooled single core (21), and the voltage temperature sensing detection wiring slot (44) is communicated with the aluminum row mounting groove (42).

6. The liquid-cooled battery module of claim 1, wherein, The module lower cover plate (6) is fixedly connected with the shell (9); The module upper cover plate (8) is fixedly connected with the shell (9).

7. The liquid-cooled battery module of claim 1, wherein, The liquid-cooled battery module further comprises a module upper insulating heat insulation pad (5) and a module lower insulating heat insulation pad (7); The module upper insulating heat insulation pad (5) is arranged between the module lower cover plate (6) and the electrically connected aluminum row (3) and is fixedly connected with the electrically connected aluminum row (3) through the module lower cover plate (6); The module lower insulating heat insulation pad (7) is arranged between the module upper cover plate (8) and the liquid-cooled connecting assembly and is fixedly connected with the liquid-cooled connecting assembly through the module upper cover plate (8).

8. The liquid-cooled battery module of claim 1, wherein, The shell (9) is matched in shape with the battery pack (2), and the shell (9) is provided with a structure support rib on the outer side.

9. The liquid-cooled battery module of claim 1, wherein, The liquid-cooled battery module further comprises a voltage temperature sensor, and the voltage temperature sensor is arranged on the positive and negative pole lead-out side of the battery module.

10. The liquid-cooled battery module of claim 3, wherein, The liquid inlet liquid-cooled quick plug (112) and the liquid outlet liquid-cooled quick plug (122) are further provided with sealing rings.

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