Cooling module, electrical connection module and charging device

Abstract

The invention discloses a cooling module, an electrical connection module and a charging device. The cooling box is provided with a cooling liquid containing cavity used for containing cooling liquid, a liquid inlet pipe joint and a cooling core pipe joint, and the liquid inlet pipe joint and the cooling core pipe joint are communicated with the cooling liquid containing cavity; and the fixing device is detachably mounted on the cooling box and is used for fixing a single charging terminal on the cooling box, so that the charging terminal is in thermal contact with the cooling box. The liquid inlet pipe connector is used for being connected with a liquid inlet pipe used for supplying cooling liquid, and the cooling core pipe connector is used for being connected with a cooling core pipe of a charging cable, so that the cooling liquid can flow through the cooling liquid containing cavity and the cooling core pipe of the charging cable to cool the charging terminal and the charging cable. According to the charging device, the cooling module in the charging device is simple in structure and can be independently replaced, the later maintenance cost of the charging device is reduced, and the charging device is very convenient to use.

Description

Technical Field

[0001] The present invention relates to a cooling module, an electrical connection module of the cooling module, and a charging device including the electrical connection module. Background Art

[0002] In the prior art, a charging stand generally includes a charging stand housing, charging terminals disposed in the charging stand housing, and a charging cable electrically connected to the charging terminals. To increase the charging speed, it is necessary to increase the charging current. Currently, the required charging current is as high as 600 A and may increase to 1000 A in the future. When such a large current flows through the charging cable and the charging terminals, the temperature inside the charging stand housing and the temperature of the charging cable will rise sharply. To prevent the temperature from rising too much, in the prior art, the diameter of the charging cable is usually increased, but this will increase the volume and weight of the charging stand product and result in a relatively high cost.

[0003] To improve the cooling performance of the charging stand, recently, a liquid-cooled charging stand has been proposed. In the housing of the liquid-cooled charging stand, a coolant receiving chamber for receiving a coolant is provided. The coolant receiving chamber has an inlet pipe joint for connecting to a coolant inlet pipe and an outlet pipe joint for connecting to a coolant outlet pipe. This technical solution results in a complex structure of the charging stand housing and very high subsequent maintenance costs, making it very inconvenient to use. Summary of the Invention

[0004] The object of the present invention aims to solve at least one of the above problems and defects existing in the prior art.

[0005] According to one aspect of the present invention, a cooling module is provided. The cooling module includes: a cooling box having a coolant receiving cavity for receiving a coolant, an inlet pipe joint communicating with the coolant receiving cavity, and a cooling core pipe joint; and a fixing device detachably mounted on the cooling box for fixing a single charging terminal to the cooling box so that the charging terminal is in thermal contact with the cooling box. The inlet pipe joint is used to connect to an inlet pipe for supplying coolant, and the cooling core pipe joint is used to connect to a cooling core pipe of a charging cable, so that the coolant can flow through the coolant receiving cavity and the cooling core pipe of the charging cable to cool the charging terminal and the charging cable.

[0006] According to an exemplary embodiment of the present invention, the cooling box includes: a box body for defining the coolant receiving cavity and having an opening; and a cover plate mounted on the opening of the box body. The fixing device is used to fix the charging terminal to the outer surface of the cover plate, and the cover plate is used to be in thermal contact with the charging terminal, so that the heat of the charging terminal can be transferred to the coolant in the cooling box via the cover plate.

[0007] According to another exemplary embodiment of the present invention, the liquid inlet pipe joint and the cooling core pipe joint are integrally formed with the box body, such that the liquid inlet pipe joint and the cooling core pipe joint become a part of the box body; or the liquid inlet pipe joint and the cooling core pipe joint are respectively connected to the box body and communicate with the coolant accommodating cavity.

[0008] According to another exemplary embodiment of the present invention, the cover plate is a heat-conducting but non-conductive insulating member, and the box body is a non-heat-conducting and non-conductive insulating member.

[0009] According to another exemplary embodiment of the present invention, the cover plate is a heat-conducting but non-conductive ceramic member, and the box body is a non-heat-conducting and non-conductive injection-molded member.

[0010] According to another exemplary embodiment of the present invention, the cooling box further includes: a sealing ring, disposed around the opening of the box body and squeezed between the box body and the cover plate for achieving sealing between the box body and the cover plate.

[0011] According to another exemplary embodiment of the present invention, a sealing ring mounting groove is formed on at least one of the box body and the cover plate, and the sealing ring is positioned and mounted in the sealing ring mounting groove.

[0012] According to another exemplary embodiment of the present invention, a threaded hole is formed on the box body, a connection hole is formed on the cover plate, and the cooling module further includes a threaded connection member, which passes through the connection hole and is threadedly connected to the threaded hole to fix the cover plate to the box body.

[0013] According to another exemplary embodiment of the present invention, the connection hole is a counterbore hole such that the head of the threaded connection member is hidden in the connection hole; and the top surface of the head of the threaded connection member is lower than or flush with the outer surface of the cover plate, such that the outer surface of the cover plate can be in reliable thermal contact with the charging terminal.

[0014] According to another exemplary embodiment of the present invention, the fixing device includes: a U-shaped member, which is snapped onto the box body and has a threaded connection hole formed thereon; and a bolt, connected to the threaded connection hole for pushing the charging terminal against the cover plate of the cooling box such that a predetermined contact force is provided between the charging terminal and the cover plate.

[0015] According to another exemplary embodiment of the present invention, the U-shaped member includes: a pair of side plates respectively snapped onto two sides of the box body; and a top plate connected between tops of the pair of side plates and facing a cover plate of the cooling box, and the threaded connection hole is formed on the top plate of the U-shaped member and its axis is perpendicular to the outer surface of the cover plate.

[0016] According to another exemplary embodiment of the present invention, clamping grooves are respectively formed on a pair of side plates of the U-shaped member, and protrusions are respectively formed on two sides of the box body of the cooling box, and the protrusions are engaged with the clamping grooves to respectively fix the pair of side plates of the U-shaped member to two sides of the box body of the cooling box.

[0017] According to another aspect of the present invention, an electrical connection module is provided. The electrical connection module includes: the aforementioned cooling module; a charging terminal fixed to the cooling box of the cooling module by a fixing device of the cooling module; and a charging cable including a cooling core tube connected to a cooling core tube joint of the cooling module and a conductor core connected to the charging terminal, and the charging terminal is in thermal contact with the cooling box so that heat of the charging terminal can be transferred to the coolant in the cooling box.

[0018] According to an exemplary embodiment of the present invention, the conductor core has a flat connection end, the charging terminal has a flat welding end, and the connection end of the conductor core is stacked and welded to the top surface of the welding end of the charging terminal; a bolt of the fixing device abuts against the connection end of the conductor core to push the welding end of the charging terminal against the cover plate of the cooling box through the connection end of the conductor core, so that the bottom surface of the welding end of the charging terminal is in direct thermal contact with the outer surface of the cover plate.

[0019] According to another exemplary embodiment of the present invention, the conductor core of the charging cable is tubular, the cooling core tube is arranged in the tubular conductor core, and the charging cable further includes an outer insulating layer wrapped outside the conductor core.

[0020] According to another exemplary embodiment of the present invention, the electrical connection module further includes: a liquid inlet pipe connected to a liquid inlet pipe joint of the cooling module for supplying coolant to the cooling box and the cooling core tube of the charging cable.

[0021] According to another exemplary embodiment of the present invention, the electrical connection module further includes: an elastic seal formed with a first through hole allowing the charging cable to pass through and a second through hole allowing the liquid inlet pipe to pass through, the charging cable and the liquid inlet pipe pass through the elastic seal, and the elastic seal is adapted to be installed in a rear port of a housing of a charging device to seal the rear port of the housing.

[0022] According to another exemplary embodiment of the present invention, the electrical connection module further includes: a rear end cap, formed with a third through hole allowing the charging cable to pass through and a fourth through hole allowing the liquid inlet pipe to pass through, the charging cable and the liquid inlet pipe pass through the rear end cap, and the rear end cap is adapted to be latched to the peripheral wall of the rear port of the housing to fix the elastic seal in the rear port of the housing.

[0023] According to another aspect of the present invention, there is provided a charging device. The charging device includes: a housing; and the aforementioned electrical connection module, which is inserted into the housing.

[0024] According to an exemplary embodiment of the present invention, the housing has a plurality of mounting holes, the charging device includes a plurality of the electrical connection modules, and the plurality of electrical connection modules are respectively inserted into the plurality of mounting holes of the housing.

[0025] According to another exemplary embodiment of the present invention, the mounting hole has a front port and a rear port opposite to each other in its axial direction, the electrical connection module is inserted into the mounting hole from the rear port of the mounting hole, and the charging terminal is adapted to be mated with a mating terminal inserted from the front port of the mounting hole.

[0026] According to another exemplary embodiment of the present invention, the charging device is a charging base adapted to be mated with a charging gun, and the charging terminal is adapted to be mated and connected with a mating terminal in the charging gun.

[0027] According to another exemplary embodiment of the present invention, the charging device is a charging gun adapted to be mated with a charging base, and the charging terminal is adapted to be mated and connected with a mating terminal in the charging base.

[0028] In the foregoing various exemplary embodiments according to the present invention, the cooling module in the charging device has a simple structure and can be replaced separately, reducing the later maintenance cost and being very convenient to use.

[0029] Through the description of the present invention with reference to the accompanying drawings hereinafter, other objects and advantages of the present invention will be obvious and can help to have a comprehensive understanding of the present invention. Description of the Drawings

[0030] Figure 1 A perspective schematic view showing an electrical connection module according to an exemplary embodiment of the present invention;

[0031] Figure 2 A longitudinal sectional view showing an electrical connection module according to an exemplary embodiment of the present invention;

[0032] Figure 3 An exploded schematic view showing an electrical connection module according to an exemplary embodiment of the present invention;

[0033] Figure 4 Display Figure 3 A cross-sectional view of the electrical connection module shown;

[0034] Figure 5 A perspective view showing a cooling module according to an exemplary embodiment of the present invention;

[0035] Figure 6 An exploded view showing a cooling module according to an exemplary embodiment of the present invention;

[0036] Figure 7 A perspective view showing an electrical connection module according to an exemplary embodiment of the present invention, in which an elastic seal and a rear end cap are shown;

[0037] Figure 8 A longitudinal cross-sectional view showing a charging device according to an exemplary embodiment of the present invention. Detailed Description of the Invention

[0038] The technical solution of the present invention will be further specifically described below through embodiments in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0039] In addition, in the following detailed description, for the purpose of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments disclosed herein. However, it is apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

[0040] According to a general inventive concept of the present invention, a cooling module is provided. The cooling module includes: a cooling box having a coolant accommodation chamber for accommodating coolant, an inlet pipe joint and a cooling core pipe joint communicating with the coolant accommodation chamber; and a fixing device detachably mounted on the cooling box for fixing a single charging terminal to the cooling box so that the charging terminal is in thermal contact with the cooling box. The inlet pipe joint is for connecting with an inlet pipe for supplying coolant, and the cooling core pipe joint is for connecting with a cooling core pipe of a charging cable, so that the coolant can flow through the coolant accommodation chamber and the cooling core pipe of the charging cable to cool the charging terminal and the charging cable.

[0041] According to another general technical concept of the present invention, an electrical connection module is provided. The electrical connection module includes: the aforementioned cooling module; a charging terminal fixed to a cooling box of the cooling module by a fixing device of the cooling module; and a charging cable including a cooling core tube connected to a cooling core tube joint of the cooling module and a conductor core connected to the charging terminal, wherein the charging terminal is in thermal contact with the cooling box so that heat of the charging terminal can be transferred to a coolant in the cooling box.

[0042] According to another general technical concept of the present invention, a charging device is provided. The charging device includes: a housing; and the aforementioned electrical connection module inserted into the housing.

[0043] Figure 1 Showing a perspective schematic view of an electrical connection module 200 according to an exemplary embodiment of the present invention; Figure 2 Showing a longitudinal sectional view of an electrical connection module 200 according to an exemplary embodiment of the present invention; Figure 3 Showing an exploded schematic view of an electrical connection module 200 according to an exemplary embodiment of the present invention; Figure 4 Showing Figure 3 A sectional view of the electrical connection module 200 shown; Figure 5 Showing a perspective schematic view of a cooling module 100 according to an exemplary embodiment of the present invention; Figure 6 Showing an exploded schematic view of a cooling module 100 according to an exemplary embodiment of the present invention.

[0044] As Figures 1 to 6 shown, in an exemplary embodiment of the present invention, a cooling module 100 is disclosed. The cooling module 100 includes: a cooling box 1 and a fixing device 2. The cooling box 1 has a coolant accommodation cavity 101 for accommodating a coolant, and a liquid inlet pipe joint 11 and a cooling core tube joint 12 communicating with the coolant accommodation cavity 101. The fixing device 2 is detachably mounted on the cooling box 1 for fixing a single charging terminal 3 to the cooling box 1 so that the charging terminal 3 is in thermal contact with the cooling box 1.

[0045] As Figures 1 to 6 shown, in the illustrated embodiment, the liquid inlet pipe joint 11 is used to be connected to a liquid inlet pipe 5 for supplying a coolant, and the cooling core tube joint 12 is used to be connected to a cooling core tube 42 of a charging cable 4 so that the coolant can flow through the coolant accommodation cavity 101 and the cooling core tube 42 of the charging cable 4 to cool the charging terminal 3 and the charging cable 4.

[0046] As Figures 1 to 6As shown, in the illustrated embodiment, the cooling box 1 includes: a box body 10 and a cover plate 13. The box body 10 is used to define a coolant accommodation cavity 101 and has an opening 101a. The cover plate 13 is installed on the opening 101a of the box body 10 to seal the opening 101a. The fixing device 2 is used to fix the charging terminal 3 to the outer surface of the cover plate 13, and the cover plate 13 is used to be in thermal contact with the charging terminal 3, so that the heat of the charging terminal 3 can be transferred to the coolant in the cooling box 1 via the cover plate 13.

[0047] As Figures 1 to 6 shown, in the illustrated embodiment, the liquid inlet pipe joint 11 and the cooling core pipe joint 12 are integrally formed with the box body 10, so that the liquid inlet pipe joint 11 and the cooling core pipe joint 12 become a part of the box body 10. However, the present invention is not limited to the illustrated embodiment. For example, the liquid inlet pipe joint 11 and the cooling core pipe joint 12 can be respectively connected to the box body 10 and communicate with the coolant accommodation cavity 101.

[0048] As Figures 1 to 6 shown, in the illustrated embodiment, the cover plate 13 is a heat-conducting but non-conductive insulating member, and the box body 10 is a non-heat-conducting and non-conductive insulating member. For example, the cover plate 13 can be a heat-conducting but non-conductive ceramic member, and the box body 10 can be a non-heat-conducting and non-conductive injection molded member.

[0049] As Figures 1 to 6 shown, in the illustrated embodiment, the cooling box 1 further includes a sealing ring 14. The sealing ring 14 is disposed around the opening 101a of the box body 10 and is squeezed between the box body 10 and the cover plate 13 for realizing the seal between the box body 10 and the cover plate 13.

[0050] As Figures 1 to 6 shown, in the illustrated embodiment, a sealing ring mounting groove 104 is formed on at least one of the box body 10 and the cover plate 13, and the sealing ring 14 is positioned and installed in the sealing ring mounting groove 104.

[0051] As Figures 1 to 6 shown, in the illustrated embodiment, a threaded hole 102 is formed on the box body 10, a connection hole 131 is formed on the cover plate 13, and the cooling module 100 further includes a threaded connecting member 15. The threaded connecting member 15 passes through the connection hole 131 and is threadedly connected to the threaded hole 102 to fix the cover plate 13 to the box body 10.

[0052] As Figures 1 to 6 shown, in the illustrated embodiment, the connection hole 131 is a counterbore hole, so that the head 15a of the threaded connecting member 15 is hidden in the connection hole 131. The top surface of the head 15a of the threaded connecting member 15 is lower than or flush with the outer surface of the cover plate 13, so that the outer surface of the cover plate 13 can be in reliable thermal contact with the charging terminal 3.

[0053] As Figures 1 to 6 shown, in the illustrated embodiment, the fixing device 2 includes: a U-shaped member 20 and a bolt 23. The U-shaped member 20 is snapped onto the box body 10 and has a threaded connection hole 201 formed thereon. The bolt 23 is connected to the threaded connection hole 201 for pushing the charging terminal 3 against the cover plate 13 of the cooling box 1, so that a predetermined contact force is provided between the charging terminal 3 and the cover plate 13. In the illustrated embodiment, in order to improve the rigidity of the cover plate 13, a support wall 105 is formed inside the box body 10, and the support wall 105 supports on the inner surface of the cover plate 13 to prevent the cover plate 13 from deforming.

[0054] As Figures 1 to 6 shown, in the illustrated embodiment, the U-shaped member 20 includes: a pair of side plates 21 and a top plate 22. The pair of side plates 21 are respectively snapped onto both sides of the box body 10. The top plate 22 is connected between the tops of the pair of side plates 21 and faces the cover plate 13 of the cooling box 1. The threaded connection hole 201 is formed on the top plate 22 of the U-shaped member 20 and its axis is perpendicular to the outer surface of the cover plate 13.

[0055] As Figures 1 to 6 shown, in the illustrated embodiment, card slots 213 are respectively formed on the pair of side plates 21 of the U-shaped member 20, and protrusions 103 are respectively formed on both sides of the box body 10 of the cooling box 1. The protrusions 103 engage with the card slots 213 to respectively fix the pair of side plates 21 of the U-shaped member 20 to both sides of the box body 10 of the cooling box 1.

[0056] As Figures 1 to 6 shown, in another exemplary embodiment of the present invention, an electrical connection module 200 is also disclosed. The electrical connection module includes: a cooling module 100, a charging terminal 3, and a charging cable 4. The charging terminal 3 is fixed to the cooling box 1 of the cooling module 100 by the fixing device 2 of the cooling module 100. The charging cable 4 includes a cooling core tube 42 connected to the cooling core tube joint 12 of the cooling module 100 and a conductor core 41 connected to the charging terminal 3. The charging terminal 3 is in thermal contact with the cooling box 1, so that the heat of the charging terminal 3 can be transferred to the coolant in the cooling box 1.

[0057] As Figures 1 to 6 shown, in the illustrated embodiment, the conductor core 41 has a flat connection end 41a, the charging terminal 3 has a flat welding end 31a, and the connection end 41a of the conductor core 41 is stacked and welded to the top surface of the welding end 31a of the charging terminal 3. The bolt 23 of the fixing device 2 abuts against the connection end 41a of the conductor core 41 to push the welding end 31a of the charging terminal 3 against the cover plate 13 of the cooling box 1 through the connection end 41a of the conductor core 41, so that the bottom surface of the welding end 31a of the charging terminal 3 is in direct thermal contact with the outer surface of the cover plate 13.

[0058] As Figures 1 to 6 shown, in the illustrated embodiment, the conductor core 41 of the charging cable 4 is tubular, the cooling core tube 42 is disposed in the tubular conductor core 41, and the charging cable 4 further includes an outer insulating layer 43 wrapped around the outside of the conductor core 41.

[0059] As Figures 1 to 6 shown, in the illustrated embodiment, the electrical connection module 200 further includes a liquid inlet pipe 5, and the liquid inlet pipe 5 is connected to the liquid inlet pipe joint 11 of the cooling module 100 for supplying coolant to the cooling tank 1 and the cooling core tube 42 of the charging cable 4.

[0060] Figure 7 A perspective view showing the electrical connection module 200 according to an exemplary embodiment of the present invention, in which an elastic seal 6 and a rear end cap 7 are shown; Figure 8 A longitudinal sectional view showing a charging device according to an exemplary embodiment of the present invention.

[0061] As Figures 1 to 8 shown, in the illustrated embodiment, the electrical connection module 200 further includes an elastic seal 6. The elastic seal 6 is formed with a first through hole 61 allowing the charging cable 4 to pass through and a second through hole 62 allowing the liquid inlet pipe 5 to pass through. The charging cable 4 and the liquid inlet pipe 5 pass through the elastic seal 6, and the elastic seal 6 is adapted to be installed in the rear port 801 of the housing 8 of the charging device to seal the rear port 801 of the housing 8.

[0062] As Figures 1 to 8 shown, in the illustrated embodiment, the electrical connection module 200 further includes a rear end cap 7. The rear end cap 7 is formed with a third through hole 71 allowing the charging cable 4 to pass through and a fourth through hole 72 allowing the liquid inlet pipe 5 to pass through. The charging cable 4 and the liquid inlet pipe 5 pass through the rear end cap 7, and the rear end cap 7 is adapted to be latched onto the peripheral wall of the rear port 801 of the housing 8 to fix the elastic seal 6 in the rear port 801 of the housing 8.

[0063] As Figures 1 to 8 shown, in another exemplary embodiment of the present invention, a charging device is further disclosed. The charging device includes: a housing 8 and an electrical connection module 200, and the electrical connection module 200 is inserted into the housing 8.

[0064] As Figures 1 to 8 shown, in the illustrated embodiment, the housing 8 has a plurality of mounting holes 81, the charging device includes a plurality of electrical connection modules 200, and the plurality of electrical connection modules 200 are respectively inserted into the plurality of mounting holes 81 of the housing 8.

[0065] As Figures 1 to 8As shown, in the illustrated embodiment, the mounting hole 81 has a front port and a rear port 801 that are axially opposite to each other. The electrical connection module 200 is inserted into the mounting hole 81 from the rear port 801 of the mounting hole 81, and the charging terminal 3 is adapted to mate with a mating terminal (not shown) inserted from the front port of the mounting hole 81.

[0066] As Figures 1 to 8 shown, in the illustrated embodiment, the charging device is a charging base adapted to mate with a charging gun, and the charging terminal 3 is adapted to be connected in a mating manner with a mating terminal in the charging gun.

[0067] As Figures 1 to 8 shown, in the illustrated embodiment, the charging device is a charging gun adapted to mate with a charging base, and the charging terminal 3 is adapted to be connected in a mating manner with a mating terminal in the charging base.

[0068] Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements to them. The structures described in various embodiments can be freely combined without conflicts in structure or principle. These changes should reasonably fall within the protection scope of the present invention.

[0069] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present invention and should not be construed as a limitation of the present invention.

[0070] Although some embodiments of the general concept of the present invention have been shown and described, those of ordinary skill in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the general concept of the present invention. The scope of the present invention is defined by the claims and their equivalents.

[0071] It should be noted that the term "comprising" does not exclude other elements or steps, and the terms "a" or "an" do not exclude a plurality. In addition, any reference numeral of a claim should not be construed as limiting the scope of the present invention.

Claims

1. A cooling module, characterized in that, Comprising: A cooling box (1), having a coolant containing cavity (101) for containing coolant and a liquid inlet pipe joint (11) and a cooling core pipe joint (12) communicating with the coolant containing cavity (101); And A fixing device (2), detachably mounted on the cooling box (1) for fixing a single charging terminal (3) to the cooling box (1) so that the charging terminal (3) is in thermal contact with the cooling box (1), The liquid inlet pipe joint (11) is used to be connected to a liquid inlet pipe (5) for supplying coolant, and the cooling core pipe joint (12) is used to be connected to a cooling core pipe (42) of a charging cable (4), so that the coolant can flow through the coolant containing cavity (101) and the cooling core pipe (42) of the charging cable (4) to cool the charging terminal (3) and the charging cable (4).

2. The cooling module according to claim 1, characterized in that: The cooling box (1) comprises: A box body (10) for defining the coolant containing cavity (101) and having an opening (101a); and A cover plate (13), mounted on the opening (101a) of the box body (10), the fixing device (2) being used to fix the charging terminal (3) to the outer surface of the cover plate (13), and the cover plate (13) being used to be in thermal contact with the charging terminal (3), so that the heat of the charging terminal (3) can be transferred to the coolant in the cooling box (1) via the cover plate (13).

3. The cooling module according to claim 2, characterized in that: The liquid inlet pipe joint (11) and the cooling core pipe joint (12) are integrally formed with the box body (10) so that the liquid inlet pipe joint (11) and the cooling core pipe joint (12) become part of the box body (10); or The liquid inlet pipe joint (11) and the cooling core pipe joint (12) are respectively connected to the box body (10) and communicate with the coolant containing cavity (101).

4. The cooling module according to claim 2, characterized in that: The cover plate (13) is a heat-conducting but non-conductive insulating member, and the box body (10) is a non-heat-conducting and non-conductive insulating member.

5. The cooling module according to claim 2, characterized in that: The cover plate (13) is a heat-conducting but non-conductive ceramic member, and the box body (10) is a non-heat-conducting and non-conductive injection-molded member.

6. The cooling module according to claim 2, characterized in that: The cooling box (1) further comprises: A sealing ring (14), disposed around the opening (101a) of the box body (10) and squeezed between the box body (10) and the cover plate (13) for realizing the seal between the box body (10) and the cover plate (13).

7. The cooling module according to claim 6, characterized in that: A sealing ring mounting groove (104) is formed on at least one of the box body (10) and the cover plate (13), and the sealing ring (14) is positioned and mounted in the sealing ring mounting groove (104).

8. The cooling module according to claim 2, wherein: Threaded holes (102) are formed in the box body (10), and connection holes (131) are formed in the cover plate (13). The cooling module (100) further includes threaded connectors (15). The threaded connectors (15) pass through the connection holes (131) and are threadedly connected to the threaded holes (102) to fix the cover plate (13) to the box body (10).

9. The cooling module according to claim 8, wherein: The connection holes (131) are countersunk holes such that the heads (15a) of the threaded connectors (15) are hidden in the connection holes (131); and The top surface of the head (15a) of the threaded connector (15) is lower than or flush with the outer surface of the cover plate (13) such that the outer surface of the cover plate (13) can be in reliable thermal contact with the charging terminal (3).

10. The cooling module according to claim 2, wherein: The fixing device (2) includes: A U-shaped member (20) that is snapped onto the box body (10) and has threaded connection holes (201) formed therein; and Bolts (23) that are connected to the threaded connection holes (201) for pushing the charging terminal (3) against the cover plate (13) of the cooling box (1) such that a predetermined contact force is provided between the charging terminal (3) and the cover plate (13).

11. The cooling module according to claim 10, wherein: The U-shaped member (20) includes: A pair of side plates (21) that are respectively snapped onto both sides of the box body (10); and A top plate (22) that is connected between the tops of the pair of side plates (21) and faces the cover plate (13) of the cooling box (1), The threaded connection holes (201) are formed in the top plate (22) of the U-shaped member (20) and their axes are perpendicular to the outer surface of the cover plate (13).

12. The cooling module according to claim 11, wherein: Card slots (213) are respectively formed in the pair of side plates (21) of the U-shaped member (20), and protrusions (103) are respectively formed on both sides of the box body (10) of the cooling box (1). The protrusions (103) engage with the card slots (213) to respectively fix the pair of side plates (21) of the U-shaped member (20) to both sides of the box body (10) of the cooling box (1).

13. An electrical connection module, characterized in that, Comprising: The cooling module (100) according to any one of claims 1-12; A charging terminal (3) that is fixed to the cooling box (1) of the cooling module (100) by the fixing device (2) of the cooling module (100); and A charging cable (4) that includes a cooling core tube (42) connected to the cooling core tube joint (12) of the cooling module (100) and a conductor core (41) connected to the charging terminal (3), The charging terminal (3) is in thermal contact with the cooling box (1), such that the heat of the charging terminal (3) can be transferred to the coolant within the cooling box (1).

14. The electrical connection module according to claim 13, wherein: The conductor core (41) has a flat connecting end (41a), the charging terminal (3) has a flat welding end (31a), and the connecting end (41a) of the conductor core (41) is stacked and welded to the top surface of the welding end (31a) of the charging terminal (3); The bolt (23) of the fixing device (2) abuts against the connecting end (41a) of the conductor core (41) to push the welding end (31a) of the charging terminal (3) against the cover plate (13) of the cooling box (1) through the connecting end (41a) of the conductor core (41), such that the bottom surface of the welding end (31a) of the charging terminal (3) is in direct thermal contact with the outer surface of the cover plate (13).

15. The electrical connection module according to claim 13, wherein: The conductor core (41) of the charging cable (4) is tubular, the cooling core tube (42) is disposed within the tubular conductor core (41), and the charging cable (4) further includes an outer insulating layer (43) wrapped around the outside of the conductor core (41).

16. The electrical connection module according to claim 13, wherein Further included is: A liquid inlet pipe (5), connected to the liquid inlet pipe joint (11) of the cooling module (100), for supplying coolant to the cooling box (1) and the cooling core tube (42) of the charging cable (4).

17. The electrical connection module according to claim 16, characterized in that, Further included is: An elastic seal (6), formed with a first through hole (61) allowing the charging cable (4) to pass through and a second through hole (62) allowing the liquid inlet pipe (5) to pass through, The charging cable (4) and the liquid inlet pipe (5) pass through the elastic seal (6), and the elastic seal (6) is adapted to be installed in the rear port (801) of the housing (8) of the charging device to seal the rear port (801) of the housing (8).

18. The electrical connection module according to claim 17, characterized in that, Further included is: A rear end cap (7), formed with a third through hole (71) allowing the charging cable (4) to pass through and a fourth through hole (72) allowing the liquid inlet pipe (5) to pass through, The charging cable (4) and the liquid inlet pipe (5) pass through the rear end cap (7), and the rear end cap (7) is adapted to be latched to the peripheral wall of the rear port (801) of the housing (8) to fix the elastic seal (6) in the rear port (801) of the housing (8).

19. A charging device, characterized in that, Included is: A housing (8); And The electrical connection module (200) according to any one of claims 13 - 18, inserted into the housing (8).

20. The charging device according to claim 19, wherein: The housing (8) has a plurality of mounting holes (81), the charging device includes a plurality of the electrical connection modules (200), and the plurality of electrical connection modules (200) are respectively inserted into the plurality of mounting holes (81) of the housing (8).

21. The charging device according to claim 20, wherein: The mounting hole (81) has a front port and a rear port (801) that are opposite to each other in its axial direction. The electrical connection module (200) is inserted into the mounting hole (81) from the rear port (801) of the mounting hole (81), and the charging terminal (3) is adapted to mate with a mating terminal inserted from the front port of the mounting hole (81).

22. The charging device according to claim 19, wherein: The charging device is a charging base adapted to mate with a charging gun, and the charging terminal (3) is adapted to be connected in a mating manner with a mating terminal in the charging gun.

23. The charging device according to claim 19, wherein: The charging device is a charging gun adapted to mate with a charging base, and the charging terminal (3) is adapted to be connected in a mating manner with a mating terminal in the charging base.

Images