Charging connector of vehicle and vehicle thereof

Abstract

The utility model relates to a charging connector of a vehicle and the vehicle thereof, the charging connector comprises a shell, a connecting end and a cooling water tank, the cooling water tank is arranged in the shell, the connecting end is arranged in the cooling water tank and is used for being connected with a charging cable, the cooling water tank comprises an outer box shell and an inner box shell, and the outer box shell is provided with an accommodating cavity; the inner box shell is located in the containing cavity and connected with the outer box shell, a cooling cavity is formed between the inner box shell and the cavity wall of the containing cavity, and the cooling cavity is used for containing cooling liquid; the inner box shell is provided with a mounting cavity, and the connecting end is located in the mounting cavity. According to the charging connector of the vehicle and the vehicle, the cooling efficiency of the cooling system can be improved, and the structure of the charging connector can be simplified.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile connector equipment, and particularly relates to a charging connector of a vehicle and the vehicle. BACKGROUND

[0002] Generally, the charging power can be improved by increasing the charging current to meet the demand of fast charging of electric vehicles. However, after the charging current is increased, a large amount of heat is accumulated in the terminals of the connector. The cooling structure of the terminals of the current connector is complex and has low efficiency. CONTENT OF THE UTILITY MODEL

[0003] The application aims to provide a charging connector of a vehicle and the vehicle, which can improve the cooling efficiency of the cooling system and simplify the structure of the charging connector.

[0004] The first aspect of the application discloses a charging connector of a vehicle, which comprises a shell, a connecting end and a cooling water tank. The cooling water tank is arranged in the shell, and the connecting end is arranged in the cooling water tank and used for being connected with a charging cable. The cooling water tank comprises an outer tank shell and an inner tank shell. The outer tank shell is provided with a containing cavity. The inner tank shell is located in the containing cavity and connected with the outer tank shell. A cooling cavity is arranged between the inner tank shell and the cavity wall of the containing cavity, and the cooling cavity is used for containing cooling liquid. The inner tank shell is provided with a mounting cavity, and the connecting end is located in the mounting cavity.

[0005] In an example embodiment of the application, the inner tank shell comprises a first mounting shell and a second mounting shell. The first mounting shell and the second mounting shell are arranged in the containing cavity and spaced from each other. The mounting cavity comprises a first sub-cavity and a second sub-cavity. The first sub-cavity is located in the first mounting shell, and the second sub-cavity is located in the second mounting shell. The connecting end comprises a first terminal and a second terminal. The first terminal is located in the first sub-cavity, and the second terminal is located in the second sub-cavity.

[0006] In an example embodiment of the application, the cavity wall of the containing cavity comprises oppositely arranged first and second side cavity walls and oppositely arranged third and fourth side cavity walls. The first mounting shell and the second mounting shell each comprise a first connecting plate, a second connecting plate and a box body part. The box body part is connected between the first connecting plate and the second connecting plate. The box body part is spaced from the first side cavity wall, the second side cavity wall, the third side cavity wall and the fourth side cavity wall. The first connecting plate is connected with the first side cavity wall. The second connecting plate is connected with the second side cavity wall. The first sub-cavity is located in the box body part of the first mounting shell, and the second sub-cavity is located in the box body part of the second mounting shell.

[0007] In an example embodiment of the present application, the first connecting plate or the second connecting plate is provided with a flow-through hole extending from the third side cavity wall towards the fourth side cavity wall.

[0008] In an example embodiment of the present application, the first connecting plate of the first mounting shell is provided with a first flow-through hole, and the second connecting plate of the second mounting shell is provided with a second flow-through hole.

[0009] In an example embodiment of the present application, the cavity wall of the accommodating cavity further comprises a top cavity wall and a bottom cavity wall arranged oppositely, and the first side cavity wall, the second side cavity wall, the third side cavity wall and the fourth side cavity wall are all connected between the top cavity wall and the bottom cavity wall; one of the first flow-through hole and the second flow-through hole is closer to the top cavity wall, and the other is closer to the bottom cavity wall.

[0010] In an example embodiment of the present application, the cooling water tank further comprises a partition plate located between the first mounting shell and the second mounting shell and spaced apart from the first mounting shell and the second mounting shell, and the partition plate is connected with the outer tank shell.

[0011] In an example embodiment of the present application, the second connecting plate of the first mounting shell is provided with a first flow-through hole, and the second connecting plate of the second mounting shell is provided with a second flow-through hole; the partition plate is provided with a third flow-through hole arranged correspondingly between the first connecting plate of the first mounting shell and the first connecting plate of the second mounting shell.

[0012] In an example embodiment of the present application, the cavity wall of the accommodating cavity further comprises a top cavity wall and a bottom cavity wall arranged oppositely, and the first side cavity wall, the second side cavity wall, the third side cavity wall and the fourth side cavity wall are all connected between the top cavity wall and the bottom cavity wall; the top cavity wall is provided with a water inlet and a water outlet spaced apart from each other, the water inlet is located on a side of the first connecting plate of the second mounting shell away from the first connecting plate of the first mounting shell, and the water outlet is located on a side of the first connecting plate of the first mounting shell away from the first connecting plate of the second mounting shell; the first flow-through hole and the second flow-through hole are closer to the bottom cavity wall relative to the top cavity wall; and the third flow-through hole is closer to the top cavity wall relative to the bottom cavity wall.

[0013] The second aspect of the present application discloses a vehicle comprising a charging cable, a battery pack and the charging connector, the charging cable being connected between the battery pack and the charging connector.

[0014] The present application has the following beneficial effects:

[0015] In the embodiment of the present application, the shell of the charging connector is provided with a cooling water tank, the inner tank shell and the outer tank shell of the cooling water tank are provided with a cooling cavity for accommodating the cooling liquid, and the connecting end is located in the mounting cavity of the inner tank shell. Therefore, when the cooling liquid flows in the cooling cavity, the cooling liquid can absorb the heat generated by the connecting end, so as to avoid that the charging connector cannot be charged or is even ablated due to overheating of the connecting end. Further, the cooling cavity can accommodate more cooling liquid, so that the cooling liquid can be quickly exchanged, which is beneficial to improve the cooling efficiency of the cooling system. In addition, the inner tank shell and the outer tank shell can seal the cooling liquid in the cooling cavity, and the cooling water tank does not need to be provided with a sealing member for preventing leakage of the cooling liquid, which is beneficial to simplify the structure of the charging connector.

[0016] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings incorporated into the specification and constituting a part of the specification show embodiments consistent with the present application and, together with the specification, serve to explain the principles of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them, the drawings here are used to represent the utility model concept of the present application, and are not exactly the same as the structure of the actual product protected by the present application.

[0018] Figure 1 A perspective structural schematic view of the charging connector in the embodiment of the present application is shown.

[0019] Figure 2 A split structural schematic view of the charging connector in the embodiment of the present application is shown.

[0020] Figure 3 A perspective structural schematic view of the connecting end, the cooling water tank and the charging cable in the embodiment of the present application is shown.

[0021] Figure 4 A perspective structural schematic view of the insulating heat-conducting member, the connecting end and the cooling water tank in the embodiment of the present application is shown.

[0022] Figure 5 A partial cross-sectional view of the cooling water tank provided with a flow-through hole in the embodiment of the present application is shown.

[0023] Figure 6 A partial cross-sectional view of the cooling water tank provided with a flow-through hole in another embodiment of the present application is shown.

[0024] Figure 7 A partial cross-sectional view of the cooling water tank provided with a first flow-through hole and a second flow-through hole in the embodiment of the present application is shown.

[0025] Figure 8 A partial sectional view showing that the cooling water tank in other embodiments of the present application is provided with first and second flow-through holes.

[0026] Figure 9 A structural schematic view showing that the first flow-through hole is closer to the top cavity wall and the second flow-through hole is closer to the bottom cavity wall in embodiments of the present application.

[0027] Figure 10 A structural schematic view showing that the first flow-through hole is closer to the bottom cavity wall and the second flow-through hole is closer to the top cavity wall in other embodiments of the present application.

[0028] Figure 11 A partial sectional view showing that the cooling water tank in embodiments of the present application is provided with a partition plate and a third flow-through hole.

[0029] Figure 12 A partial sectional view showing that the cooling water tank in other embodiments of the present application is provided with a partition plate and a third flow-through hole.

[0030] Figure 13 A perspective structural schematic view showing the cooling water tank and the terminal in embodiments of the present application.

[0031] Legend of reference signs:

[0032] 1, housing; 11, front housing; 12, rear housing; 2, connecting terminal; 21, first terminal; 22, second terminal; 3, cooling water tank; 301, accommodating cavity; 302, cooling cavity; 303, mounting cavity; 303a, first sub-cavity; 303b, second sub-cavity; 304, flow-through hole; 305, first flow-through hole; 306, second flow-through hole; 307, third flow-through hole; 308, water inlet; 309, water outlet; 31, outer tank shell; 311, first side cavity wall; 312, second side cavity wall; 313, third side cavity wall; 314, fourth side cavity wall; 315, top cavity wall; 316, bottom cavity wall; 32, inner tank shell; 321, first mounting shell; 322, second mounting shell; 33, partition plate; 4, charging cable; 41, copper core part; 42, cooling pipe; 5, insulating heat-conducting part; 51, first insulating heat-conducting part; 52, second insulating heat-conducting part; 6, insulating tank; 61, front insulator; 62, rear insulator; a, first connecting plate; b, second connecting plate; c, box body part; x, first direction; y, second direction; z, third direction. DETAILED DESCRIPTION

[0033] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations can, however, be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the scope of example implementations to those skilled in the art.

[0034] Moreover, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the

[0035] The application will be further described with reference to the drawings and specific examples. It is to be understood that the specific examples described herein are meant to be illustrative only and the application is not to be limited to these specific examples. The following examples are presented to more fully describe and disclose the application.

[0036] With reference to the drawings, the embodiments of the present application provide a charging connector of a vehicle, comprising a housing 1, a connecting end 2 and a cooling water tank 3, the cooling water tank 3 is arranged in the housing 1, and the connecting end 2 is arranged in the cooling water tank 3 and used for connecting with a charging cable 4. Figures 1 to 5 As shown in the drawings, the embodiments provide a charging connector of a vehicle, comprising a housing 1, a connecting end 2 and a cooling water tank 3, the cooling water tank 3 is arranged in the housing 1, and the connecting end 2 is arranged in the cooling water tank 3 and used for connecting with a charging cable 4.

[0037] In the embodiments, the connecting end 2 is arranged in the cooling water tank 3, and the connecting end 2 is arranged in the cooling water tank 3 and used for connecting with the charging cable 4. Figure 1 And Figure 2 As shown in the drawings, the housing 1 comprises a front housing 11 and a rear housing 12, the front housing 11 is detachably connected with the rear housing 12, and the cooling water tank 3 is arranged in a cavity formed by the front housing 11 and the rear housing 12. The front housing 11 is used for accommodating the cooling water tank 3, and the rear housing 12 is used for sealing the charging cable 4 and fixing the cooling water tank 3.

[0038] Further, the cooling water tank 3 comprises an outer tank shell 31 and an inner tank shell 32, the outer tank shell 31 is provided with a receiving cavity 301; the inner tank shell 32 is located in the receiving cavity 301 and connected with the outer tank shell 31, a cooling cavity 302 is arranged between the inner tank shell 32 and the cavity wall of the receiving cavity 301, and the cooling cavity 302 is used for accommodating a cooling liquid; the inner tank shell 32 is provided with a mounting cavity 303, and the connecting end 2 is located in the mounting cavity 303.

[0039] It should be understood that the cooling cavity 302 and the mounting cavity 303 are both part of the accommodation cavity 301. The accommodation cavity 301 is divided into the cooling cavity 302 and the mounting cavity 303 by the inner box shell 32, so as to isolate the cooling liquid in the cooling cavity 302 from flowing into the mounting cavity 303.

[0040] In the embodiment, the cooling water tank 3 is combined with the charging connector. Figures 3 to 5 As shown in the figure, the outer box shell 31 of the cooling water tank 3 is provided with a water inlet 308 and a water outlet 309 which are spaced apart from each other and are both in communication with the cooling cavity 302.

[0041] It should be understood that the positions of the water inlet 308 and the water outlet 309 can be adjusted according to actual needs of the product.

[0042] In the embodiment, the charging cable 4 is a liquid-cooled cable. The charging cable 4 comprises a copper core part 41 and a cooling pipe 42 which are connected to each other, the copper core part 41 is electrically connected to the connecting end 2 by ultrasonic welding; the cooling pipe 42 is in communication with the water inlet 308 and the water outlet 309 of the cooling water tank 3, so that the cooling liquid in the cooling pipe 42 can circulate in the cooling cavity 302 to cool the connecting end 2.

[0043] It should be understood that, since the liquid-cooled cable can not only conduct electricity to charge the vehicle, but also dissipate heat by using the cooling liquid to effectively reduce the temperature of the liquid-cooled cable. Therefore, compared with ordinary cables, the liquid-cooled cable can operate stably at a higher current.

[0044] In the embodiment, since the cooling water tank 3 is arranged in the shell 1 of the charging connector, the inner box shell 32 of the cooling water tank 3 is provided with the cooling cavity 302 for accommodating the cooling liquid between the inner box shell 32 and the outer box shell 31, and the connecting end 2 is arranged in the mounting cavity 303 of the inner box shell 32. Therefore, when the cooling liquid circulates in the cooling cavity 302, the cooling liquid can absorb the heat generated by the connecting end 2, so as to avoid that the charging connector cannot be charged or even is ablated due to overheating of the connecting end 2. Further, the cooling cavity 302 can accommodate more cooling liquid, so that the cooling liquid can be heated faster, which is beneficial to improve the cooling efficiency of the cooling system. In addition, the inner box shell 32 and the outer box shell 31 can seal the cooling liquid in the cooling cavity 302, so that the cooling water tank 3 does not need to be provided with a sealing member for preventing leakage of the cooling liquid, which is beneficial to simplify the structure of the charging connector.

[0045] In combination with the above description, Figure 4 and Figure 5As shown, the inner box shell 32 comprises a first mounting shell 321 and a second mounting shell 322, the first mounting shell 321 and the second mounting shell 322 are arranged in the accommodating cavity 301 at a distance from each other; the mounting cavity 303 comprises a first sub-cavity 303a and a second sub-cavity 303b, the first sub-cavity 303a is located in the first mounting shell 321, and the second sub-cavity 303b is located in the second mounting shell 322; the connection end 2 comprises a first terminal 21 and a second terminal 22, the first terminal 21 is located in the first sub-cavity 303a, and the second terminal 22 is located in the second sub-cavity 303b.

[0046] It should be understood that the cooling water tank 3 is not limited to cooling the first terminal 21 and the second terminal 22, and the cooling water tank 3 can also cool more than two terminals.

[0047] In this embodiment, the first terminal 21 is located in the first sub-cavity 303a of the first mounting shell 321, and the second terminal 22 is located in the second sub-cavity 303b of the second mounting shell 322, so that the cooling liquid can respectively cool the first terminal 21 and the second terminal 22 in a 360° surrounding manner, better absorbing the heat of the connection end 2, avoiding the accumulation of a large amount of heat of the connection end 2 during charging, causing the charging connector to be unable to charge or even ablate.

[0048] In addition, the first terminal 21 and the second terminal 22 share the cooling water tank 3, which not only helps to reduce the overall volume of the cooling water tank 3 and facilitate the assembly of the charging connector on the vehicle, but also simplifies the pipeline of the thermal management system of the vehicle, reduces the weight and saves the cost.

[0049] It should be understood that, since the first mounting shell 321 and the second mounting shell 322 are arranged at a distance from each other, and the first mounting shell 321 and the second mounting shell 322 are both located in the accommodating cavity 301, the space between the first mounting shell 321 and the second mounting shell 322, the space between the first mounting shell 321 and the cavity wall of the accommodating cavity 301, and the space between the second mounting shell 322 and the cavity wall of the accommodating cavity 301 are all cooling cavities 302 for accommodating the cooling liquid. Therefore, the cooling liquid can respectively cool the first terminal 21 and the second terminal 22 in a 360° surrounding manner.

[0050] In this embodiment, in combination with Figure 2 and Figure 3 As shown, the charging connector comprises two charging cables 4, one of which is connected with the first terminal 21, and the cooling pipe 42 is in communication with the water outlet 309; the other is connected with the second terminal 22, and the cooling pipe 42 is in communication with the water inlet 308.

[0051] In combination with Figure 4 and Figure 5As shown, the cavity wall of the accommodating cavity 301 comprises a first side cavity wall 311 and a second side cavity wall 312 arranged oppositely, and a third side cavity wall 313 and a fourth side cavity wall 314 arranged oppositely.

[0052] In combination Figure 4 and Figure 5 As shown, the cavity wall of the accommodating cavity 301 further comprises a top cavity wall 315 and a bottom cavity wall 316 arranged oppositely, and the first side cavity wall 311, the second side cavity wall 312, the third side cavity wall 313 and the fourth side cavity wall 314 are all connected between the top cavity wall 315 and the bottom cavity wall 316.

[0053] In the embodiment, the cooling water tank 3 has a first direction x, a second direction y and a third direction z intersecting with each other, the first direction x is the width direction of the cooling water tank 3, the second direction y is the length direction of the cooling water tank 3, and the third direction z is the height direction of the cooling water tank 3. The first side cavity wall 311 and the second side cavity wall 312 are arranged oppositely along the first direction x, the third side cavity wall 313 and the fourth side cavity wall 314 are arranged oppositely along the second direction y, and the top cavity wall 315 and the bottom cavity wall 316 are arranged oppositely along the third direction z.

[0054] It should be understood that the first direction x, the second direction y and the third direction z are not vector directions.

[0055] In combination Figure 4 and Figure 5 As shown, the first mounting shell 321 and the second mounting shell 322 each comprise a first connecting plate a, a second connecting plate b and a box body part c, the box body part c is connected between the first connecting plate a and the second connecting plate b; the box body part c is spaced apart from the first side cavity wall 311, the second side cavity wall 312, the third side cavity wall 313 and the fourth side cavity wall 314; the first connecting plate a is connected with the first side cavity wall 311; the second connecting plate b is connected with the second side cavity wall 312; the first sub-cavity 303a is located in the box body part c of the first mounting shell 321, and the second sub-cavity 303b is located in the box body part c of the second mounting shell 322.

[0056] In the embodiment, the first connecting plate a and the second connecting plate b are arranged one by one on two opposite sides of the box body part c along the first direction x, and the first connecting plate a and the second connecting plate b are arranged between the box body part c and the outer tank shell 31, so as to close or communicate the space between the box body part c and the outer tank shell 31, so as to control the flow direction of the cooling liquid in the cooling cavity 302.

[0057] It should be understood that the arrangement of the first connecting plate a and the second connecting plate b should ensure that the cooling liquid can flow in the cooling cavity 302.

[0058] For example, the first connecting plate a can be spaced apart from the top cavity wall 315 and / or the bottom cavity wall 316; or the second connecting plate b can be spaced apart from the top cavity wall 315 and / or the bottom cavity wall 316, so as to ensure that the cooling liquid can flow in the cooling cavity 302.

[0059] Further, the first connecting plate a or the second connecting plate b is provided with a flow hole 304 extending from the third side cavity wall 313 towards the fourth side cavity wall 314.

[0060] In the embodiment, as shown in Figure 5 As shown in FIG. 4, the first connecting plate a of the first mounting shell 321 is provided with a flow hole 304, and the first connecting plate a of the second mounting shell 322 is provided with a flow hole 304. The flow hole 304 penetrates the first connecting plate a along the second direction y, so as to ensure that the cooling liquid can flow in the cooling cavity 302, thereby ensuring the cooling of the connecting end 2 by the cooling liquid.

[0061] In other embodiments, as shown in Figure 6 As shown in FIG. 5, the second connecting plate b of the first mounting shell 321 is provided with a flow hole 304, and the second connecting plate b of the second mounting shell 322 is provided with a flow hole 304. The flow hole 304 penetrates the second connecting plate b along the second direction y, so as to ensure that the cooling liquid can flow in the cooling cavity 302, thereby ensuring the cooling of the connecting end 2 by the cooling liquid.

[0062] It should be understood that when the flow hole 304 is arranged on the first connecting plate a, the cooling liquid can flow in from one side of the first connecting plate a and flow out from the other side of the first connecting plate a along the second direction y; when the flow hole 304 is arranged on the second connecting plate b, the cooling liquid can flow in from one side of the second connecting plate b and flow out from the other side of the second connecting plate b along the second direction y.

[0063] It should be understood that the position of the flow hole 304 can be adjusted according to the actual needs of the cooling water tank 3.

[0064] For example, the position of the flow hole 304 can be adjusted according to the positions of the water inlet 308 and the water outlet 309. When the water inlet 308 and the water outlet 309 are both located on the side of the outer tank shell 31 close to the first connecting plate a along the first direction x, the flow hole 304 can be arranged on the second connecting plate b, so that the cooling liquid can flow through the box body part c, thereby ensuring that the cooling liquid can cool the connecting end 2.

[0065] In the embodiment, as shown in Figure 7As shown, the first connecting plate a of the first mounting shell 321 is provided with the first flow-through hole 305, and the second connecting plate b of the second mounting shell 322 is provided with the second flow-through hole 306. The first flow-through hole 305 and the second flow-through hole 306 are arranged in such a way that the cooling cavity 302 becomes an "S"-shaped flow channel, and the flow direction of the cooling liquid in the cooling cavity 302 also becomes "S"-shaped, which is conducive to increasing the flow path of the cooling liquid, and further improves the cooling efficiency of the cooling water tank 3.

[0066] It should be understood that after the cooling liquid enters the cooling cavity 302 from the water inlet 308, it first flows through the side of the second mounting shell 322 away from the first mounting shell 321, then passes through the second flow-through hole 306 to flow between the first mounting shell 321 and the second mounting shell 322, and then passes through the first flow-through hole 305 to flow through the side of the first mounting shell 321 away from the second mounting shell 322, and finally flows out from the water outlet 309.

[0067] In other embodiments, in combination with Figure 8 As shown, the second connecting plate b of the first mounting shell 321 is provided with the first flow-through hole 305, and the first connecting plate a of the second mounting shell 322 is provided with the second flow-through hole 306.

[0068] Further, one of the first flow-through hole 305 and the second flow-through hole 306 is closer to the top cavity wall 315, and the other is closer to the bottom cavity wall 316.

[0069] In this embodiment, in combination with Figure 9 As shown, the first flow-through hole 305 is closer to the top cavity wall 315 along the third direction z, and the second flow-through hole 306 is closer to the bottom cavity wall 316 along the third direction z, so that the cooling liquid can flow along the third direction z while flowing in the "S"-shaped flow channel, further increasing the flow path of the cooling liquid, and the cooling liquid can more effectively absorb the heat of the connecting end 2, thereby improving the cooling efficiency of the cooling water tank 3.

[0070] In other embodiments, in combination with Figure 10 As shown, the second flow-through hole 306 is closer to the top cavity wall 315, and the first flow-through hole 305 is closer to the bottom cavity wall 316.

[0071] It should be understood that the positions of the first flow-through hole 305 and the second flow-through hole 306 can be adjusted according to the actual needs of the cooling water tank 3.

[0072] In combination with Figure 3 And Figure 11 As shown, the cooling water tank 3 further comprises a partition plate 33, which is located between the first mounting shell 321 and the second mounting shell 322 and is spaced apart from the first mounting shell 321 and the second mounting shell 322, and the partition plate 33 is connected with the outer tank shell 31.

[0073] In the embodiment, the partition plate 33 is located between the first mounting shell 321 and the second mounting shell 322, and the partition plate 33 can control the flow direction of the cooling liquid in the cooling cavity 302, so that the cooling liquid can flow between the first mounting shell 321 and the partition plate 33 and between the second mounting shell 322 and the partition plate 33, so as to increase the flow path of the cooling liquid and facilitate to improve the cooling efficiency of the cooling water tank 3.

[0074] It should be understood that the partition plate 33 should be arranged to ensure that the cooling liquid can flow in the cooling cavity 302.

[0075] For example, the partition plate 33 is connected with the top cavity wall 315 and the bottom cavity wall 316, and is arranged to be spaced apart from the first side cavity wall 311 and the second side cavity wall 312.

[0076] In combination Figure 11 As shown, the second connecting plate b of the first mounting shell 321 is provided with a first flow-through hole 305, the second connecting plate b of the second mounting shell 322 is provided with a second flow-through hole 306, and the partition plate 33 is provided with a third flow-through hole 307, which is arranged between the first connecting plate a of the first mounting shell 321 and the first connecting plate a of the second mounting shell 322.

[0077] In the embodiment, the first connecting plate a, the second connecting plate b, the partition plate 33, the first flow-through hole 305, the second flow-through hole 306 and the third flow-through hole 307 are arranged to make the cooling cavity 302 into a more complex "S" shaped flow channel, increase the flow path of the cooling liquid, and the cooling liquid can more effectively absorb the heat of the connecting end 2, thereby improving the cooling efficiency of the cooling water tank 3.

[0078] It should be understood that after the cooling liquid enters the cooling cavity 302 from the water inlet 308, it first flows through the side of the second mounting shell 322 away from the first mounting shell 321, then passes through the second flow-through hole 306 to flow between the second mounting shell 322 and the partition plate 33, then passes through the third flow-through hole 307 to flow between the first mounting shell 321 and the partition plate 33, then passes through the first flow-through hole 305 to flow through the side of the first mounting shell 321 away from the second mounting shell 322, and finally flows out from the water outlet 309.

[0079] In the embodiment, in combination Figure 4 and Figure 11As shown, the water inlet 308 and the water outlet 309 are located on the top cavity wall 315, the water inlet 308 is located on the first connecting plate a of the second mounting shell 322 away from the first connecting plate a of the first mounting shell 321, and the water outlet 309 is located on the first connecting plate a of the first mounting shell 321 away from the first connecting plate a of the second mounting shell 322; the first flow-through hole 305 and the second flow-through hole 306 are closer to the bottom cavity wall 316 than to the top cavity wall 315; and the third flow-through hole 307 is closer to the top cavity wall 315 than to the bottom cavity wall 316.

[0080] In this embodiment, the first flow-through hole 305 and the second flow-through hole 306 are arranged on the side close to the bottom cavity wall 316, and the third flow-through hole 307 is arranged on the side close to the top cavity wall 315, so that the cooling liquid can also flow along the third direction z when flowing in the "S" shaped flow channel, further increasing the flow path of the cooling liquid to more effectively absorb the heat of the connecting end 2, thereby improving the cooling efficiency of the cooling water tank 3.

[0081] In other embodiments, in combination with Figure 12 As shown, the first flow-through hole 305 and the second flow-through hole 306 are closer to the top cavity wall 315 than to the top cavity wall 315; and the third flow-through hole 307 is closer to the bottom cavity wall 316 than to the bottom cavity wall 316.

[0082] In this embodiment, in combination with Figure 2 and Figure 5 As shown, the charging connector further comprises an insulating heat-conducting member 5, which comprises a first insulating heat-conducting member 51 connected between the first terminal 21 and the first mounting shell 321, and a second insulating heat-conducting member 52 connected between the second terminal 22 and the second mounting shell 322. The insulating heat-conducting member 5 can conduct the heat generated by the current flowing through the connecting end 2 to the cooling water tank 3, and the heat is taken away by the cooling liquid in the cooling water tank 3 to reduce the temperature of the connecting end 2.

[0083] In addition, in combination with Figure 2 As shown, the charging connector further comprises an insulating tank 6, which comprises a front insulating body 61 and a rear insulating body 62 connected to each other, and the cooling water tank 3 is located in the cavity surrounded by the front insulating body 61 and the rear insulating body 62 to insulate the cooling water tank 3.

[0084] It should be understood that since the cooling water tank 3 is made of a metal material with good heat conductivity and sufficient strength, it is necessary to insulate the cooling water tank 3.

[0085] This embodiment also provides a vehicle comprising the charging cable 4, the battery pack and the charging connector described above, and the charging cable 4 is connected between the battery pack and the charging connector.

[0086] For other structures of the vehicle, please refer to the prior art, which will not be described here.

[0087] In this application, unless otherwise clearly specified and limited, the terms "assembly", "connection" and the like should be interpreted in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0088] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. The meaning of "multiple" is two or more, unless otherwise clearly specified and limited. And the description of the terms "some embodiments", "exemplarily" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application.

[0089] The illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.

[0090] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application, therefore any changes or modifications made according to the claims and specification of the present application shall be within the scope of the present application.

Claims

1. A charging connector of a vehicle, characterized by, The application relates to a cooling device for a charging cable, comprising a housing, a connecting end and a cooling water tank, wherein the cooling water tank is arranged in the housing, the connecting end is arranged in the cooling water tank and is used for connecting with the charging cable, and the cooling water tank comprises: An outer box shell is provided with a containing cavity; An inner box shell is located in the containing cavity and is connected with the outer box shell, a cooling cavity is arranged between the inner box shell and the cavity wall of the containing cavity, and the cooling cavity is used for containing cooling liquid; the inner box shell is provided with a mounting cavity, and the connecting end is located in the mounting cavity.

2. The charging connector of claim 1, wherein, The inner box shell comprises a first mounting shell and a second mounting shell, and the first mounting shell and the second mounting shell are arranged in the containing cavity and are spaced from each other; The mounting cavity comprises a first sub-cavity and a second sub-cavity, the first sub-cavity is located in the first mounting shell, and the second sub-cavity is located in the second mounting shell; The connecting end comprises a first terminal and a second terminal, the first terminal is located in the first sub-cavity, and the second terminal is located in the second sub-cavity.

3. The charging connector of claim 2, wherein, The cavity wall of the containing cavity comprises oppositely arranged first and second side cavity walls and oppositely arranged third and fourth side cavity walls; The first mounting shell and the second mounting shell each comprise a first connecting plate, a second connecting plate and a box body part, and the box body part is connected between the first connecting plate and the second connecting plate; The box body part is spaced from the first side cavity wall, the second side cavity wall, the third side cavity wall and the fourth side cavity wall; the first connecting plate is connected with the first side cavity wall; and the second connecting plate is connected with the second side cavity wall; The first sub-cavity is located in the box body part of the first mounting shell, and the second sub-cavity is located in the box body part of the second mounting shell.

4. The charging connector of claim 3, wherein, The first connecting plate or the second connecting plate is provided with a flow-through hole, and the flow-through hole extends from the third side cavity wall to the fourth side cavity wall.

5. The charging connector of claim 3, wherein, The first connecting plate of the first mounting shell is provided with a first flow-through hole, and the second connecting plate of the second mounting shell is provided with a second flow-through hole.

6. The charging connector of claim 5, wherein, The cavity wall of the containing cavity further comprises oppositely arranged top and bottom cavity walls, and the first side cavity wall, the second side cavity wall, the third side cavity wall and the fourth side cavity wall are connected between the top cavity wall and the bottom cavity wall; One of the first flow-through hole and the second flow-through hole is closer to the top cavity wall, and the other is closer to the bottom cavity wall.

7. The charging connector of claim 3, wherein, The cooling water tank further comprises a partition plate, the partition plate is located between the first mounting shell and the second mounting shell and is spaced from the first mounting shell and the second mounting shell, and the partition plate is connected with the outer box shell.

8. The charging connector of claim 7, wherein, The second connecting plate of the first mounting shell is provided with a first flow-through hole, and the second connecting plate of the second mounting shell is provided with a second flow-through hole; The partition plate is provided with a third flow-through hole, and the third flow-through hole is arranged between the first connecting plate of the first mounting shell and the first connecting plate of the second mounting shell.

9. The charging connector of claim 8, wherein, The cavity wall of the containing cavity further comprises oppositely arranged top and bottom cavity walls, and the first side cavity wall, the second side cavity wall, the third side cavity wall and the fourth side cavity wall are connected between the top cavity wall and the bottom cavity wall; The top cavity wall is provided with water inlets and water outlets spaced from each other, the water inlets are located on the side of the first connecting plate of the second mounting shell away from the first connecting plate of the first mounting shell, and the water outlets are located on the side of the first connecting plate of the first mounting shell away from the first connecting plate of the second mounting shell; The first flow-through hole and the second flow-through hole are closer to the bottom cavity wall relative to the top cavity wall; The third flow-through hole is closer to the top cavity wall relative to the bottom cavity wall.

10. A vehicle characterized by comprising: A charging cable, a battery pack, and the charging connector of any one of claims 1-9, the charging cable being connected between the battery pack and the charging connector.

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