Charging terminal fixing piece, top cover assembly, charging terminal cooling box and charging seat

Abstract

The invention discloses a charging terminal fixing piece, a top cover assembly, a charging terminal cooling box and a charging seat. The charging terminal fixing piece comprises a frame body; and the fixing structure is formed on the top of the frame body. The fixing structure comprises a pair of side plates, the bottoms of which are connected to the top of the frame body; the top plates are respectively connected with the tops of the side plates; and the pair of elastic buckles are respectively connected with the tops of the pair of side plates. The pair of top plates is suitable for abutting against the top face of the welding end of the charging terminal inserted between the pair of side plates so that the bottom face of the welding end can make thermal contact with a top cover of the charging terminal cooling box. The elastic buckle is used for being connected with the clamping groove in the welding end so that the welding end can be locked to the top cover. According to the charging terminal cooling box, the charging terminal fixing piece fixes the charging terminal to the top cover of the charging terminal cooling box, so that heat on the charging terminal can be rapidly transmitted to the cooling liquid in the charging terminal cooling box through the top cover, and rapid cooling of the charging terminal is achieved.

Description

Technical Field

[0001] The invention relates to a charging terminal fixing piece, comprising a top cover assembly of the charging terminal fixing piece, a charging terminal cooling box comprising the top cover assembly, and a charging seat comprising the charging terminal cooling box. Background Art

[0002] In the prior art, the charging station usually includes a charging station housing, charging terminals arranged in the charging station housing, and a charging cable electrically connected to the charging terminals. In order to increase the charging speed, the charging current needs to be increased. The current charging current requirement is as high as 600A, and it may be increased to 1000A in the future. When such a large current flows through the charging cable and the charging terminal, the temperature inside the charging station housing and the temperature of the charging cable will rise sharply. In order 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 station product and lead to higher costs. Summary of the invention

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the present invention, a charging terminal fixing member is provided. The charging terminal fixing member includes: a frame body for fixing to a charging terminal cooling box; and a fixing structure formed on the top of the frame body for fixing the charging terminal to the charging terminal cooling box. The fixing structure includes: a pair of side plates, the bottoms of which are connected to the top of the frame body; a pair of top plates, respectively connected to the tops of the pair of side plates; and a pair of elastic clips, respectively connected to the tops of the pair of side plates. The pair of top plates are suitable for abutting against the top surface of the welding end of the charging terminal inserted between the pair of side plates so that the bottom surface of the welding end of the charging terminal is in thermal contact with the top cover of the charging terminal cooling box; the pair of elastic clips are used to respectively engage with a pair of card grooves on the welding end of the charging terminal to lock the welding end of the charging terminal to the top cover of the charging terminal cooling box.

[0005] According to an exemplary embodiment of the present invention, a pair of top plates of the fixing structure are located between the pair of side plates and spaced apart from each other by a predetermined distance for avoiding the front end of the conductor of the charging cable welded to the welding end of the charging terminal.

[0006] According to another exemplary embodiment of the present invention, a pair of elastic buckles of the fixing structure are respectively located at one end of the pair of top plates, and a spacing groove is formed between the elastic buckle and one end of the top plate to separate the two.

[0007] According to another exemplary embodiment of the present invention, the elastic buckle has a main body portion flush with the top plate and a protrusion portion protruding from the bottom of the main body portion, and the protrusion portion is used to engage with the card groove on the welding end of the charging terminal.

[0008] According to another exemplary embodiment of the present invention, a guiding slope inclined with respect to the top plate is formed at the bottom of the elastic buckle to guide the welding end of the charging terminal to be inserted between the pair of top plates and the top cover of the charging terminal cooling box.

[0009] According to another exemplary embodiment of the present invention, a wall recess for engaging with an edge portion of a top cover of the charging terminal cooling box is formed at a bottom of at least one of the pair of side plates to increase the joining strength between the charging terminal fixing member and the top cover of the charging terminal cooling box.

[0010] According to another exemplary embodiment of the present invention, the charging terminal fixing member includes a plurality of the fixing structures, and the plurality of fixing structures are arranged side by side and are used to fix a plurality of charging terminals respectively.

[0011] According to another exemplary embodiment of the present invention, a mounting hole allowing a connector to pass through is formed on the frame, so that the frame can be fastened to the top surface of the box body of the charging terminal cooling box through the connector passing through the mounting hole.

[0012] According to another aspect of the present invention, a top cover assembly is provided. The top cover assembly comprises: a top cover, which is used to be installed on the top of the box body of the charging terminal cooling box to cover the top opening of the box body; and the aforementioned charging terminal fixing piece, which is directly injection molded onto the top cover in an insert injection molding manner. The charging terminal fixing piece is used to fix the welding end of the charging terminal to the top surface of the top cover, so that the heat of the charging terminal can be transferred to the coolant in the charging terminal cooling box through the top cover.

[0013] According to an exemplary embodiment of the present invention, the top surface of the frame of the charging terminal fixing member is joined to the bottom surface of the top cover, and a connecting hole corresponding to the mounting hole on the frame is formed on the top cover, so that the top cover assembly can be fastened to the top surface of the box body of the charging terminal cooling box by a connector passing through the connecting hole and the mounting hole.

[0014] According to another exemplary embodiment of the present invention, the top cover is an insulating member that can conduct heat but not conduct electricity.

[0015] According to another exemplary embodiment of the present invention, the top cover is a ceramic member that can conduct heat but not electricity.

[0016] According to another aspect of the present invention, a charging terminal cooling box is provided. The charging terminal cooling box comprises: a box body having an inner cavity for containing coolant and a top opening communicating with the inner cavity; and the aforementioned top cover assembly, which is mounted on the top of the box body and is used to cover the top opening of the box body. The box body has a cooling core pipe joint and a liquid inlet pipe joint communicating with its inner cavity, the liquid inlet pipe joint is used to be connected to the liquid inlet pipe, and the cooling core pipe joint is used to be connected to the cooling core pipe of the charging cable, so that the coolant can flow through the charging terminal cooling box and the cooling core pipe of the charging cable to cool the charging terminal and the charging cable.

[0017] According to an exemplary embodiment of the present invention, the charging terminal cooling box further includes: a sealing ring, which is arranged on the top of the box body and surrounds the top opening of the box body, and the sealing ring is squeezed between the top cover and the box body of the charging terminal cooling box to seal the top opening of the box body.

[0018] According to another exemplary embodiment of the present invention, a flange portion surrounding the top opening is formed on the top surface of the box body, and the frame of the charging terminal fixing member surrounds the flange portion; the sealing ring is installed and positioned in the annular gap between the flange portion of the box body and the frame of the charging terminal fixing member.

[0019] According to another exemplary embodiment of the present invention, a threaded hole is formed on the top surface of the box body of the charging terminal cooling box; the charging terminal cooling box also includes a connecting piece, which passes through the connecting hole on the top cover and the mounting hole on the charging terminal fixing piece and is threadedly connected to the threaded hole on the top surface of the box body to fasten the top cover assembly to the top surface of the box body.

[0020] According to another exemplary embodiment of the present invention, the top cover of the charging terminal cooling box is an insulating member that is heat-conductive but not electrically conductive, and the box body of the charging terminal cooling box is an insulating member that is neither heat-conductive nor electrically conductive.

[0021] According to another aspect of the present invention, a charging stand is provided. The charging stand comprises: a shell; a charging terminal, which is arranged in the shell and has a flat welding end; a charging cable, one end of which extends into the shell and comprises a cooling core tube and a conductor; and the aforementioned charging terminal cooling box, which is arranged in the shell. The welding end of the charging terminal is fixed to the top surface of the top cover of the charging terminal cooling box by a charging terminal fixing member, and the front end of the conductor of the charging cable is welded to the top surface of the welding end of the charging terminal; the end of the cooling core tube of the charging cable is connected to the cooling core tube joint of the box body of the charging terminal cooling box, so that the coolant can flow through the charging terminal cooling box and the cooling core tube of the charging cable.

[0022] According to an exemplary embodiment of the present invention, the welding end of the charging terminal is located in the covering area of ​​the top opening of the box body of the charging terminal cooling box, so that the heat on the entire welding end can be transferred to the coolant in the charging terminal cooling box via the top cover.

[0023] According to another exemplary embodiment of the present invention, the charging seat also includes: a heat shrink tube, which is put on and heat-shrunk onto the end of the cooling core tube and the cooling core tube joint of the charging terminal cooling box to achieve a sealed connection between the cooling core tube and the cooling core tube joint.

[0024] According to another exemplary embodiment of the present invention, the charging seat further includes: a liquid inlet pipe connected to the liquid inlet pipe joint of the charging terminal cooling box, for supplying coolant to the charging terminal cooling box and the cooling core tube of the charging cable.

[0025] In the aforementioned exemplary embodiments of the present invention, the charging terminal fixing member fixes the charging terminal to the top cover of the charging terminal cooling box, so that the heat on the charging terminal can be quickly transferred to the coolant in the charging terminal cooling box through the top cover, thereby achieving rapid cooling of the charging terminal.

[0026] In addition, in some of the aforementioned exemplary embodiments of the present invention, the charging terminal fixing member can fix the charging terminal to the top cover of the charging terminal cooling box in a detachable manner, so that the charging terminal can be conveniently fixed to the charging terminal cooling box and can be conveniently removed from the charging terminal cooling box, which is very convenient to use.

[0027] In addition, in some of the aforementioned exemplary embodiments of the present invention, the charging terminal fixing parts are directly injection molded on the top cover of the charging terminal cooling box by embedded injection molding, so that the charging terminal fixing parts and the top cover become an integrated part and can be installed and fixed to the body of the charging terminal cooling box together, thereby simplifying the installation steps.

[0028] In addition, in some of the aforementioned exemplary embodiments of the present invention, the welding end of the charging terminal is located in the covering area of ​​the top opening of the box body of the charging terminal cooling box, so that the heat on the entire welding end can be quickly transferred to the coolant in the box body through the top cover, thereby improving the cooling efficiency.

[0029] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1A schematic perspective view of a charging terminal cooling box according to an exemplary embodiment of the present invention when viewed from the bottom, showing charging terminals and charging cables;

[0031] Figure 2 A schematic perspective view of a charging terminal cooling box according to an exemplary embodiment of the present invention when viewed from the top, showing charging terminals and charging cables;

[0032] Figure 3 An exploded schematic diagram showing a charging terminal cooling box, a charging terminal and a charging cable according to an exemplary embodiment of the present invention;

[0033] Figure 4 A transverse cross-sectional view showing a charging terminal cooling box, a charging terminal, and a charging cable according to an exemplary embodiment of the present invention;

[0034] Figure 5 A longitudinal cross-sectional view showing a charging terminal cooling box, a charging terminal, and a charging cable according to an exemplary embodiment of the present invention;

[0035] Figure 6 A longitudinal sectional view showing a charging terminal cooling box according to an exemplary embodiment of the present invention;

[0036] Figure 7 A three-dimensional schematic diagram showing a charging terminal fixing member according to an exemplary embodiment of the present invention;

[0037] Figure 8 A three-dimensional schematic diagram showing a charging terminal cooling box and a charging terminal according to an exemplary embodiment of the present invention;

[0038] Fig. 9 A three-dimensional schematic diagram showing a charging terminal cooling box according to an exemplary embodiment of the present invention;

[0039] Fig.10 A perspective schematic diagram showing a charging terminal cooling box according to an exemplary embodiment of the present invention, wherein the top cover assembly is opened;

[0040] Fig.11 An exploded schematic diagram showing a charging terminal cooling box according to an exemplary embodiment of the present invention;

[0041] Fig.12 A longitudinal cross-sectional view of a charging stand according to an exemplary embodiment of the present invention is shown. DETAILED DESCRIPTION

[0042] The technical solution of the present invention is further specifically described below by examples and 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 overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0043] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0044] According to an overall technical concept of the present invention, a charging terminal fixing part is provided. The charging terminal fixing part includes: a frame body, which is used to be fixed to a charging terminal cooling box; and a fixing structure, which is formed on the top of the frame body, and is used to fix the charging terminal to the charging terminal cooling box. The fixing structure includes: a pair of side plates, whose bottoms are connected to the top of the frame body; a pair of top plates, which are respectively connected to the tops of the pair of side plates; and a pair of elastic clips, which are respectively connected to the tops of the pair of side plates. The pair of top plates are suitable for abutting against the top surface of the welding end of the charging terminal inserted between the pair of side plates, so that the bottom surface of the welding end of the charging terminal is in thermal contact with the top cover of the charging terminal cooling box; the pair of elastic clips are used to respectively engage with a pair of card grooves on the welding end of the charging terminal to lock the welding end of the charging terminal to the top cover of the charging terminal cooling box.

[0045] According to another general technical concept of the present invention, a top cover assembly is provided. The top cover assembly includes: a top cover, which is used to be installed on the top of the box body of the charging terminal cooling box to cover the top opening of the box body; and the aforementioned charging terminal fixing piece, which is directly injection molded onto the top cover in an insert injection molding manner. The charging terminal fixing piece is used to fix the welding end of the charging terminal to the top surface of the top cover, so that the heat of the charging terminal can be transferred to the coolant in the charging terminal cooling box through the top cover.

[0046] According to another general technical concept of the present invention, a charging terminal cooling box is provided. The charging terminal cooling box comprises: a box body having an inner cavity for containing coolant and a top opening connected to the inner cavity; and the aforementioned top cover assembly, which is installed on the top of the box body and is used to cover the top opening of the box body. The box body has a cooling core pipe joint and a liquid inlet pipe joint connected to its inner cavity, the liquid inlet pipe joint is used to be connected to the liquid inlet pipe, and the cooling core pipe joint is used to be connected to the cooling core pipe of the charging cable, so that the coolant can flow through the charging terminal cooling box and the cooling core pipe of the charging cable to cool the charging terminal and the charging cable.

[0047] According to another general technical concept of the present invention, a charging stand is provided. The charging stand includes: a shell; a charging terminal, which is arranged in the shell and has a flat welding end; a charging cable, one end of which extends into the shell and includes a cooling core tube and a conductor; and the aforementioned charging terminal cooling box, which is arranged in the shell. The welding end of the charging terminal is fixed to the top surface of the top cover of the charging terminal cooling box by a charging terminal fixing member, and the front end of the conductor of the charging cable is welded to the top surface of the welding end of the charging terminal; the end of the cooling core tube of the charging cable is connected to the cooling core tube joint of the box body of the charging terminal cooling box, so that the coolant can flow through the charging terminal cooling box and the cooling core tube of the charging cable.

[0048] According to another general technical concept of the present invention, a charging terminal cooling box is provided. The charging terminal cooling box comprises: a box body having an inner cavity for containing coolant and a top opening connected to the inner cavity; and a top cover installed on the top of the box body and used to cover the top opening of the box body. The top cover is used to thermally contact with the welding end of the charging terminal fixed thereon, so as to transfer the heat of the charging terminal to the coolant in the box body; the box body has a cooling core pipe joint and a liquid inlet pipe joint connected to its inner cavity, the liquid inlet pipe joint is used to be connected to the liquid inlet pipe, and the cooling core pipe joint is used to be connected to the cooling core pipe of the charging cable, so that the coolant can flow through the charging terminal cooling box and the cooling core pipe of the charging cable to cool the charging terminal and the charging cable.

[0049] According to another general technical concept of the present invention, a charging stand is provided. The charging stand comprises: a shell; a charging terminal, which is arranged in the shell and has a flat welding end; a charging cable, one end of which extends into the shell and comprises a cooling core tube and a conductor; and the aforementioned charging terminal cooling box, which is arranged in the shell, the welding end of the charging terminal is fixed to the top surface of the top cover of the charging terminal cooling box, and the front end of the conductor of the charging cable is welded to the top surface of the welding end of the charging terminal. The end of the cooling core tube of the charging cable is connected to the cooling core tube joint of the box body of the charging terminal cooling box, so that the coolant can flow through the charging terminal cooling box and the cooling core tube of the charging cable.

[0050] Figure 1 A three-dimensional schematic diagram showing a charging terminal cooling box 1 according to an exemplary embodiment of the present invention when viewed from the bottom, wherein a charging terminal 3 and a charging cable 2 are shown; Figure 2 A three-dimensional schematic diagram showing a charging terminal cooling box 1 according to an exemplary embodiment of the present invention when viewed from the top, wherein a charging terminal 3 and a charging cable 2 are shown; Figure 3An exploded schematic diagram showing a charging terminal cooling box 1, a charging terminal 3 and a charging cable 2 according to an exemplary embodiment of the present invention; Figure 4 A transverse cross-sectional view showing a charging terminal cooling box 1 , a charging terminal 3 , and a charging cable 2 according to an exemplary embodiment of the present invention;

[0051] Figure 5 A longitudinal cross-sectional view showing a charging terminal cooling box 1 , a charging terminal 3 , and a charging cable 2 according to an exemplary embodiment of the present invention; Figure 6 A longitudinal sectional view showing a charging terminal cooling box 1 according to an exemplary embodiment of the present invention; Figure 7 A three-dimensional schematic diagram showing a charging terminal fixing member 12 according to an exemplary embodiment of the present invention; Figure 8 A three-dimensional schematic diagram showing a charging terminal cooling box 1 and a charging terminal 3 according to an exemplary embodiment of the present invention.

[0052] like Figures 1 to 8 As shown, in an exemplary embodiment of the present invention, a charging terminal fixing member 12 is disclosed. The charging terminal fixing member 12 includes: a frame 129 and a fixing structure 120. The frame 129 is used to be fixed to the charging terminal cooling box 1. The fixing structure 120 is formed on the top of the frame 129 and is used to fix the charging terminal 3 to the charging terminal cooling box 1.

[0053] like Figures 1 to 8 As shown, in the illustrated embodiment, the fixing structure 120 includes: a pair of side plates 121, a pair of top plates 122 and a pair of elastic buckles 123. The bottom of the pair of side plates 121 is connected to the top of the frame 129. The pair of top plates 122 are respectively connected to the top of the pair of side plates 121. A pair of elastic buckles 123 are respectively connected to the top of the pair of side plates 121. The pair of top plates 122 are suitable for abutting against the top surface of the welding end 31 of the charging terminal 3 inserted between the pair of side plates 121, so that the bottom surface of the welding end 31 of the charging terminal 3 is in thermal contact with the top cover 11 of the charging terminal cooling box 1. The pair of elastic buckles 123 are used to respectively engage with a pair of card grooves 31a on the welding end 31 of the charging terminal 3 to lock the welding end 31 of the charging terminal 3 to the top cover 11 of the charging terminal cooling box 1. In the present invention, a pair of elastic buckles 123 can be driven to an unlocked position separated from a pair of slots 31a by a tool, so that the welding end 31 of the charging terminal 3 can be easily removed from the charging terminal cooling box 1, which is very convenient to use.

[0054] like Figures 1 to 8As shown, in the illustrated embodiment, a pair of top plates 122 of the fixing structure 120 are located between a pair of side plates 121 and are spaced apart from each other by a predetermined distance, so as to avoid the front end portion 22a of the conductor 22 of the charging cable 2 welded to the welding end 31 of the charging terminal 3. In the illustrated embodiment, the welding end 31 of the charging terminal 3 and the front end portion 22a of the conductor 22 of the charging cable 2 are both flat, and the width of the front end portion 22a of the conductor 22 of the charging cable 2 is smaller than the width of the welding end 31 of the charging terminal 3 and smaller than the distance between the pair of top plates 122.

[0055] like Figures 1 to 8 As shown, in the illustrated embodiment, a pair of elastic buckles 123 of the fixing structure 120 are respectively located at one end of a pair of top plates 122, and a spacing groove 124 is formed between the elastic buckle 123 and one end of the top plate to separate the two.

[0056] like Figures 1 to 8 As shown, in the illustrated embodiment, the elastic buckle 123 has a main body 123b flush with the top plate 122 and a protrusion 123a protruding from the bottom of the main body 123b, and the protrusion 123a is used to engage with the card groove 31a on the welding end 31 of the charging terminal 3.

[0057] like Figures 1 to 8 As shown, in the illustrated embodiment, a guiding slope 123 c inclined with respect to the top plate 122 is formed at the bottom of the elastic buckle 123 to guide the welding end 31 of the charging terminal 3 to be inserted between a pair of top plates 122 and the top cover 11 of the charging terminal cooling box 1.

[0058] like Figures 1 to 8 As shown, in the illustrated embodiment, a wall recess 121a for engaging with an edge portion of the top cover 11 of the charging terminal cooling box 1 is formed at the bottom of at least one of the pair of side plates 121 to increase the joining strength between the charging terminal fixing member 12 and the top cover 11 of the charging terminal cooling box 1.

[0059] like Figures 1 to 8 As shown, in the illustrated embodiment, the charging terminal fixing member 12 includes a plurality of fixing structures 120, which are arranged side by side and are used to fix a plurality of charging terminals 3. In the illustrated embodiment, the charging terminal fixing member 12 includes two fixing structures 120, which are used to fix two charging terminals 3 respectively.

[0060] like Figures 1 to 8 As shown, in the illustrated embodiment, a mounting hole 12a allowing the connecting member 14 to pass through is formed on the frame 129 of the charging terminal fixing member 12, so that the frame 129 can be fastened to the top surface 10b of the box body 10 of the charging terminal cooling box 1 through the connecting member 14 passing through the mounting hole 12a.

[0061] like Figures 1 to 8 As shown, in another exemplary embodiment of the present invention, a top cover assembly is also disclosed. The top cover assembly includes: a top cover 11 and the aforementioned charging terminal fixing member 12. The top cover 11 is used to be installed on the top of the box body 10 of the charging terminal cooling box 1 to cover the top opening 100a of the box body 10. The charging terminal fixing member 12 is directly injection molded onto the top cover 11 in an embedded injection molding manner. The charging terminal fixing member 12 is used to fix the welding end 31 of the charging terminal 3 to the top surface of the top cover 11 so that the heat of the charging terminal 3 can be transferred to the coolant in the charging terminal cooling box 1 through the top cover 11.

[0062] like Figures 1 to 8 As shown, in the illustrated embodiment, the top surface of the frame 129 of the charging terminal fixing member 12 is joined to the bottom surface of the top cover 11, and a connecting hole 11a corresponding to the mounting hole 12a on the frame 129 is formed on the top cover 11, so that the top cover assembly can be fastened to the top surface 10b of the box body 10 of the charging terminal cooling box 1 by the connecting member 14 passing through the connecting hole 11a and the mounting hole 12a.

[0063] like Figures 1 to 8 As shown, in the illustrated embodiment, the top cover 11 is an insulating member that can conduct heat but not conduct electricity. For example, in an exemplary embodiment of the present invention, the top cover 11 can be a ceramic member that can conduct heat but not conduct electricity.

[0064] Fig. 9 A three-dimensional schematic diagram showing a charging terminal cooling box 1 according to an exemplary embodiment of the present invention; Fig.10 A three-dimensional schematic diagram showing a charging terminal cooling box 1 according to an exemplary embodiment of the present invention, wherein the top cover assembly is opened; Fig.11 An exploded schematic diagram of a charging terminal cooling box 1 according to an exemplary embodiment of the present invention is shown.

[0065] like Figures 1 to 11 As shown, in another exemplary embodiment of the present invention, a charging terminal cooling box 1 is also disclosed. The charging terminal cooling box 1 includes: a box body 10 and the aforementioned top cover assembly. The box body 10 has an inner cavity 100 for accommodating coolant and a top opening 100a connected to the inner cavity 100. The top cover assembly is installed on the top of the box body 10 to cover the top opening 100a of the box body 10. The box body 10 has a cooling core pipe joint 101 and a liquid inlet pipe joint 102 connected to its inner cavity 100, the liquid inlet pipe joint 102 is used to be connected to the liquid inlet pipe (not shown), and the cooling core pipe joint 101 is used to be connected to the cooling core pipe 21 of the charging cable 2, so that the coolant can flow through the charging terminal cooling box 1 and the cooling core pipe 21 of the charging cable 2 to cool the charging terminal 3 and the charging cable 2.

[0066] like Figures 1 to 11 As shown, in the illustrated embodiment, the charging terminal cooling box 1 further includes a sealing ring 13, which is disposed on the top of the box body 10 and surrounds the top opening 100a of the box body 10. The sealing ring 13 is squeezed between the top cover 11 of the charging terminal cooling box 1 and the box body 10 to seal the top opening 100a of the box body 10.

[0067] like Figures 1 to 11 As shown, in the illustrated embodiment, a flange portion 10c surrounding the top opening 100a is formed on the top surface of the box body 10, and the frame 129 of the charging terminal fixing member 12 surrounds the flange portion 10c. The sealing ring 13 is installed and positioned in the annular gap between the flange portion 10c of the box body 10 and the frame 129 of the charging terminal fixing member 12.

[0068] like Figures 1 to 11 As shown, in the illustrated embodiment, a threaded hole 10a is formed on the top surface 10b of the box body 10 of the charging terminal cooling box 1. The charging terminal cooling box 1 also includes a connector 14. The connector 14 is a threaded connector. The connector 14 passes through the connecting hole 11a on the top cover 11 and the mounting hole 12a on the charging terminal fixing member 12 and is threadedly connected to the threaded hole 10a on the top surface 10b of the box body 10 to fasten the top cover assembly to the top surface 10b of the box body 10.

[0069] like Figures 1 to 11 As shown, in the illustrated embodiment, the top cover 11 of the charging terminal cooling box 1 is an insulating member that is heat-conductive but not electrically conductive, and the box body 10 of the charging terminal cooling box 1 is an insulating member that is neither heat-conductive nor electrically conductive.

[0070] Fig.12 A longitudinal cross-sectional view of a charging stand according to an exemplary embodiment of the present invention is shown.

[0071] like Figures 1 to 12 As shown, in another exemplary embodiment of the present invention, a charging stand is also disclosed. The charging stand includes: a shell 8, a charging terminal 3, a charging cable 2 and a charging terminal cooling box 1. The charging terminal 3 is arranged in the shell 8 and has a flat welding end 31. One end of the charging cable 2 extends into the shell 8. The charging cable 2 includes a cooling core tube 21 and a conductor 22. The charging terminal cooling box 1 is arranged in the shell 8. The welding end 31 of the charging terminal 3 is fixed to the top surface of the top cover 11 of the charging terminal cooling box 1 by the charging terminal fixing member 12, and the front end portion 22a of the conductor 22 of the charging cable 2 is welded to the top surface of the welding end 31 of the charging terminal 3. The end 21a of the cooling core tube 21 of the charging cable 2 is connected to the cooling core tube joint 101 of the box body 10 of the charging terminal cooling box 1, so that the coolant can flow through the charging terminal cooling box 1 and the cooling core tube 21 of the charging cable 2.

[0072] like Figures 1 to 12 As shown, in the illustrated embodiment, the conductor 22 of the charging cable 2 is tubular, the cooling core tube 21 is disposed in the conductor 21 , and the charging cable 2 further includes an outer insulating layer 23 wrapped around the conductor 21 .

[0073] like Figures 1 to 12 As shown, in the illustrated embodiment, the welding end 31 of the charging terminal 3 is located within the coverage area of ​​the top opening 100a of the box body 10 of the charging terminal cooling box 1, so that the heat on the entire welding end 31 can be transferred to the coolant in the charging terminal cooling box 1 via the top cover 11.

[0074] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging seat also includes a heat shrink tube 211, which is sleeved and heat-shrunk onto the end 21a of the cooling core tube 21 and the cooling core tube joint 101 of the charging terminal cooling box 1 to achieve a sealed connection between the cooling core tube 21 and the cooling core tube joint 101.

[0075] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging seat also includes a liquid inlet pipe (not shown), which is connected to the liquid inlet pipe joint 102 of the charging terminal cooling box 1 and is used to supply coolant to the charging terminal cooling box 1 and the cooling core tube 21 of the charging cable 2.

[0076] like Figures 1 to 12 As shown, in another exemplary embodiment of the present invention, a charging terminal cooling box 1 is also disclosed. The charging terminal cooling box 1 includes: a box body 10 and a top cover 11. The box body 10 has an inner cavity 100 for accommodating coolant and a top opening 100a connected to the inner cavity 100. The top cover 11 is installed on the top of the box body 10 to cover the top opening 100a of the box body 10. The top cover 11 is used to thermally contact the welding end 31 of the charging terminal 3 fixed thereon to transfer the heat of the charging terminal 3 to the coolant in the box body 10. The box body 10 has a cooling core pipe joint 101 and a liquid inlet pipe joint 102 connected to its inner cavity 100, the liquid inlet pipe joint 102 is used to be connected to the liquid inlet pipe, and the cooling core pipe joint 101 is used to be connected to the cooling core pipe 21 of the charging cable 2, so that the coolant can flow through the charging terminal cooling box 1 and the cooling core pipe 21 of the charging cable 2 to cool the charging terminal 3 and the charging cable 2.

[0077] like Figures 1 to 12 As shown, in the illustrated embodiment, when the welding end 31 of the charging terminal 3 is fixed to the top cover 11, the welding end 31 of the charging terminal 3 is located within the coverage area of ​​the top opening 100a of the box body 10, so that the heat on the entire welding end 31 can be transferred to the coolant in the box body 10 via the top cover 11.

[0078] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging terminal cooling box further includes a charging terminal fixing member 12 , which is mounted on the top of the box body 10 and is used to fix the welding end 31 of the charging terminal 3 to the top cover 11 .

[0079] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging terminal fixing member 12 is directly injection molded onto the top cover 11 by insert injection molding, so that the charging terminal fixing member 12 and the top cover 11 become an integral part.

[0080] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging terminal fixing member 12 includes: a frame 129 and a fixing structure 120. The frame 129 is used to be fixed to the top of the box body 10. The fixing structure 120 is formed on the top of the frame 129. The fixing structure 120 includes: a pair of side plates 121, a pair of top plates 122 and a pair of elastic clips 123. The bottom of the pair of side plates 121 is connected to the top of the frame 129. The pair of top plates 122 are respectively connected to the top of the pair of side plates 121. A pair of elastic clips 123 are respectively connected to the top of the pair of side plates 121. The pair of top plates 122 are suitable for abutting against the top surface of the welding end 31 of the charging terminal 3 inserted between the pair of side plates 121, so that the bottom surface of the welding end 31 of the charging terminal 3 is in thermal contact with the top cover 11. The pair of elastic buckles 123 are used to respectively engage with a pair of slots 31 a on the welding end 31 of the charging terminal 3 to lock the welding end 31 of the charging terminal 3 onto the top cover 11 .

[0081] like Figures 1 to 12 As shown, in the illustrated embodiment, a pair of top plates 122 of the fixing structure 120 are located between a pair of side plates 121 and are spaced apart from each other by a predetermined distance, so as to avoid the front end portion 22 a of the conductor 22 of the charging cable 2 welded to the welding end 31 of the charging terminal 3 .

[0082] like Figures 1 to 12 As shown, in the illustrated embodiment, a pair of elastic buckles 123 of the fixing structure 120 are respectively located at one end of a pair of top plates 122, and a spacing groove 124 is formed between the elastic buckle 123 and one end of the top plate to separate the two.

[0083] like Figures 1 to 12 As shown, in the illustrated embodiment, the elastic buckle 123 has a main body 123b flush with the top plate 122 and a protrusion 123a protruding from the bottom of the main body 123b, and the protrusion 123a is used to engage with the card groove 31a on the welding end 31 of the charging terminal 3.

[0084] like Figures 1 to 12As shown, in the illustrated embodiment, a guiding slope 123 c inclined with respect to the top plate 122 is formed at the bottom of the elastic buckle 123 to guide the welding end 31 of the charging terminal 3 to be inserted between a pair of top plates 122 and the top cover 11 of the charging terminal cooling box 1.

[0085] like Figures 1 to 12 As shown, in the illustrated embodiment, a wall recess 121a for engaging with an edge portion of the top cover 11 of the charging terminal cooling box 1 is formed at the bottom of at least one of the pair of side plates 121 to increase the joining strength between the charging terminal fixing member 12 and the top cover 11 of the charging terminal cooling box 1.

[0086] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging terminal fixing member 12 includes a plurality of fixing structures 120 , and the plurality of fixing structures 120 are arranged side by side and used to respectively fix the welding ends 31 of the plurality of charging terminals 3 .

[0087] like Figures 1 to 12 As shown, in the illustrated embodiment, the top surface of the frame 129 of the charging terminal fixing member 12 is joined to the bottom surface of the top cover 11, a mounting hole 12a is formed on the frame 129, and a threaded hole 10a and a connecting hole 11a corresponding to the mounting hole 12a on the frame 129 are formed on the top surface 10b of the box body 10 and the top cover 11, respectively. The charging terminal cooling box 1 also includes a connecting member 14, which passes through the connecting hole 11a and the mounting hole 12a in sequence and is threadedly connected to the threaded hole 10a, so as to fasten the top cover 11 and the charging terminal fixing member 12 to the top surface 10b of the box body 10.

[0088] like Figures 1 to 12 As shown, in the illustrated embodiment, the top cover 11 is an insulating member that can conduct heat but not conduct electricity. For example, the top cover 11 can be a ceramic member that can conduct heat but not conduct electricity.

[0089] like Figures 1 to 12 As shown, in the illustrated embodiment, the box body 10 is an insulating member that is neither heat-conductive nor electrically-conductive.

[0090] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging terminal cooling box 1 further includes a sealing ring 13, which is disposed on the top of the box body 10 and surrounds the top opening 100a of the box body 10. The sealing ring 13 is squeezed between the top cover 11 and the box body 10 to seal the top opening 100a of the box body 10.

[0091] like Figures 1 to 12As shown, in the illustrated embodiment, a flange portion 10c surrounding the top opening 100a is formed on the top surface of the box body 10, and the frame 129 of the charging terminal fixing member 12 surrounds the flange portion 10c. The sealing ring 13 is installed and positioned in the annular gap between the flange portion 10c of the box body 10 and the frame 129 of the charging terminal fixing member 12.

[0092] like Figures 1 to 12 As shown, in another exemplary embodiment of the present invention, a charging stand is also disclosed. The charging stand includes: a shell 8, a charging terminal 3, a charging cable 2 and a charging terminal cooling box 1. The charging terminal 3 is arranged in the shell 8 and has a flat welding end 31. One end of the charging cable 2 extends into the shell 8. The charging cable 2 includes a cooling core tube 21 and a conductor 22. The charging terminal cooling box 1 is arranged in the shell 8. The welding end 31 of the charging terminal 3 is fixed to the top surface of the top cover 11 of the charging terminal cooling box 1, and the front end 22a of the conductor 22 of the charging cable 2 is welded to the top surface of the welding end 31 of the charging terminal 3. The end 21a of the cooling core tube 21 of the charging cable 2 is connected to the cooling core tube joint 101 of the box body 10 of the charging terminal cooling box 1, so that the coolant can flow through the charging terminal cooling box 1 and the cooling core tube 21 of the charging cable 2.

[0093] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging seat includes a heat shrink tube 211, which is sleeved and heat-shrunk onto the end 21a of the cooling core tube 21 and the cooling core tube joint 101 of the charging terminal cooling box 1 to achieve a sealed connection between the cooling core tube 21 and the cooling core tube joint 101.

[0094] like Figures 1 to 12 As shown, in the illustrated embodiment, the charging seat includes a liquid inlet pipe (not shown), which is connected to the liquid inlet pipe joint 102 of the charging terminal cooling box 1 and is used to supply coolant to the charging terminal cooling box 1 and the cooling core tube 21 of the charging cable 2.

[0095] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.

[0096] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0097] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0098] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A charging terminal fixing member, It is characterized in that include: A frame (129) used for being fixed to the charging terminal cooling box (1); and A fixing structure (120) is formed on the top of the frame (129) and is used to fix the charging terminal (3) to the charging terminal cooling box (1). The fixing structure (120) comprises: a pair of side panels (121), the bottoms of which are connected to the top of the frame (129); A pair of top plates (122) connected to the tops of the pair of side plates (121) respectively; and A pair of elastic buckles (123) are respectively connected to the top of a pair of side plates (121). The pair of top plates (122) are adapted to abut against the top surface of the welding end (31) of the charging terminal (3) inserted between the pair of side plates (121) so that the bottom surface of the welding end (31) of the charging terminal (3) is in thermal contact with the top cover (11) of the charging terminal cooling box (1). The pair of elastic buckles (123) are used to respectively engage with a pair of slots (31a) on the welding end (31) of the charging terminal (3) so as to lock the welding end (31) of the charging terminal (3) onto the top cover (11) of the charging terminal cooling box (1).

2. The charging terminal fixing member according to claim 1, Features: A pair of top plates (122) of the fixing structure (120) are located between the pair of side plates (121) and are spaced apart from each other by a predetermined distance so as to avoid a front end portion (22a) of a conductor (22) of a charging cable (2) being welded to a welding end (31) of the charging terminal (3).

3. The charging terminal fixing member according to claim 1, Features: A pair of elastic buckles (123) of the fixing structure (120) are respectively located at one end of the pair of top plates (122), and a spacing groove (124) is formed between the elastic buckle (123) and one end of the top plate to separate the two.

4. The charging terminal fixing member according to claim 3, Features: The elastic buckle (123) comprises a main body (123b) flush with the top plate (122) and a protrusion (123a) protruding from the bottom of the main body (123b), wherein the protrusion (123a) is used to engage with a slot (31a) on the welding end (31) of the charging terminal (3).

5. The charging terminal fixing member according to claim 4, Features: A guiding slope (123c) inclined with respect to the top plate (122) is formed at the bottom of the elastic buckle (123) to guide the welding end (31) of the charging terminal (3) to be inserted between the pair of top plates (122) and the top cover (11) of the charging terminal cooling box (1).

6. The charging terminal fixing member according to claim 1, Features: A wall recess (121a) is formed at the bottom of at least one of the pair of side plates (121) for engaging with an edge of a top cover (11) of the charging terminal cooling box (1) to increase the engagement strength between the charging terminal fixing member (12) and the top cover (11) of the charging terminal cooling box (1).

7. The charging terminal fixing member according to claim 1, Features: The charging terminal fixing member (12) comprises a plurality of fixing structures (120), wherein the plurality of fixing structures (120) are arranged side by side and are used to respectively fix a plurality of charging terminals (3).

8. The charging terminal fixing member according to claim 1, Features: A mounting hole (12a) is formed on the frame (129) to allow a connecting piece (14) to pass through, so that the frame (129) can be fastened to the top surface (10b) of the box body (10) of the charging terminal cooling box (1) through the connecting piece (14) passing through the mounting hole (12a).

9. A top cover assembly, It is characterized in that include: A top cover (11) is used to be mounted on the top of a box body (10) of a charging terminal cooling box (1) to cover a top opening (100a) of the box body (10); and The charging terminal fixing member (12) according to any one of claims 1 to 8 is directly injection molded onto the top cover (11) by insert injection molding. The charging terminal fixing member (12) is used to fix the welding end (31) of the charging terminal (3) to the top surface of the top cover (11), so as to transfer the heat of the charging terminal (3) to the coolant in the charging terminal cooling box (1) through the top cover (11).

10. The top cover assembly according to claim 9, Features: The top surface of the frame (129) of the charging terminal fixing member (12) is joined to the bottom surface of the top cover (11), and a connecting hole (11a) corresponding to the mounting hole (12a) on the frame (129) is formed on the top cover (11), so that the top cover assembly can be fastened to the top surface (10b) of the box body (10) of the charging terminal cooling box (1) by a connecting member (14) passing through the connecting hole (11a) and the mounting hole (12a).

11. The top cover assembly according to claim 9, Features: The top cover (11) is an insulating member that can conduct heat but not electricity.

12. The top cover assembly according to claim 9, Features: The top cover (11) is a ceramic piece that can conduct heat but not electricity.

13. A charging terminal cooling box, It is characterized in that include: A box body (10) having an inner cavity (100) for containing a cooling liquid and a top opening (100a) communicating with the inner cavity (100); and The top cover assembly according to any one of claims 9 to 12 is mounted on the top of the box body (10) and is used to cover the top opening (100a) of the box body (10). The box body (10) has a cooling core pipe joint (101) and a liquid inlet pipe joint (102) which are connected to its inner cavity (100); the liquid inlet pipe joint (102) is used to be connected to the liquid inlet pipe, and the cooling core pipe joint (101) is used to be connected to the cooling core pipe (21) of the charging cable (2), so that the coolant can flow through the charging terminal cooling box (1) and the cooling core pipe (21) of the charging cable (2), so as to cool the charging terminal (3) and the charging cable (2).

14. The charging terminal cooling box according to claim 13, It is characterized in that Also includes: a sealing ring (13), arranged on the top of the box body (10) and surrounding the top opening (100a) of the box body (10), The sealing ring (13) is squeezed between the top cover (11) and the box body (10) of the charging terminal cooling box (1) to seal the top opening (100a) of the box body (10).

15. The charging terminal cooling box according to claim 14, Features: A flange portion (10c) surrounding the top opening (100a) is formed on the top surface of the box body (10), and the frame body (129) of the charging terminal fixing member (12) surrounds the flange portion (10c); The sealing ring (13) is installed and positioned in the annular gap between the flange portion (10c) of the box body (10) and the frame body (129) of the charging terminal fixing member (12).

16. The charging terminal cooling box according to claim 14, Features: A threaded hole (10a) is formed on the top surface (10b) of the box body (10) of the charging terminal cooling box (1); The charging terminal cooling box (1) further comprises a connecting piece (14), wherein the connecting piece (14) passes through a connecting hole (11a) on the top cover (11) and a mounting hole (12a) on the charging terminal fixing piece (12) and is threadedly connected to a threaded hole (10a) on a top surface (10b) of the box body (10), so as to fasten the top cover assembly to the top surface (10b) of the box body (10).

17. The charging terminal cooling box according to claim 13, Features: The top cover (11) of the charging terminal cooling box (1) is an insulating part that is heat-conductive but not electrically conductive, and the box body (10) of the charging terminal cooling box (1) is an insulating part that is neither heat-conductive nor electrically conductive.

18. A charging stand, It is characterized in that include: Housing (8); A charging terminal (3) disposed in the housing (8) and having a flat welding end (31); A charging cable (2), one end of which extends into the housing (8) and comprises a cooling core tube (21) and a conductor (22); and The charging terminal cooling box (1) according to any one of claims 13 to 17, arranged in the housing (8), The welding end (31) of the charging terminal (3) is fixed to the top surface of the top cover (11) of the charging terminal cooling box (1) by the charging terminal fixing member (12), and the front end portion (22a) of the conductor (22) of the charging cable (2) is welded to the top surface of the welding end (31) of the charging terminal (3). The end (21a) of the cooling core tube (21) of the charging cable (2) is connected to the cooling core tube joint (101) of the box body (10) of the charging terminal cooling box (1), so that coolant can flow through the charging terminal cooling box (1) and the cooling core tube (21) of the charging cable (2).

19. The charging stand according to claim 18, Features: The welding end (31) of the charging terminal (3) is located within the coverage area of ​​the top opening (100a) of the box body (10) of the charging terminal cooling box (1), so that the heat on the entire welding end (31) can be transferred to the coolant in the charging terminal cooling box (1) via the top cover (11).

20. The charging stand according to claim 18, It is characterized in that Also includes: A heat shrink tube (211) is fitted and heat-shrunk onto the end (21a) of the cooling core tube (21) and the cooling core tube joint (101) of the charging terminal cooling box (1) to achieve a sealed connection between the cooling core tube (21) and the cooling core tube joint (101).

21. The charging stand according to claim 18, It is characterized in that Also includes: A liquid inlet pipe is connected to a liquid inlet pipe joint (102) of the charging terminal cooling box (1) and is used to supply cooling liquid to the charging terminal cooling box (1) and the cooling core tube (21) of the charging cable (2).

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