Liquid cooling charging seat with pipeline wrapping cooling structure

Abstract

The utility model discloses a liquid cooling charging seat with a pipeline wrapping cooling structure. The liquid-cooled charging seat comprises a shell, a plurality of power terminals connected to the front end and the rear end of the shell in a shaft sleeve mode, and a liquid-cooled cable. A front end plate of the liquid-cooled cable and a rear end plate of each power terminal are welded to form a connecting block. The cooling assembly comprises a heat conduction cover and a cooling pipe. The front connection hole of the heat conduction cover is sleeved with the rear end of the power terminal in an equal-diameter mode, and the rear connection hole is attached to and sleeved with the connecting block. Liquid inlet ports and liquid outlet ports of the cooling pipes are located at the front end and the rear end of the heat conduction cover respectively, and the cooling pipes form a plurality of cooling rings which are attached to and wrap the outer wall of the heat conduction cover. Liquid passing pipes of the two liquid cooling cables extend into an inner cavity of the shell, and the two liquid passing pipes are communicated with the liquid inlet port and the liquid outlet port respectively to form a cooling loop. The charging device has the advantages of wide coverage of a heating area, better heat dissipation effect, safety, high efficiency and rapid charging.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of charging stand, especially with the liquid cooling charging stand of pipeline package around cooling structure. BACKGROUND

[0002] The current new energy industry develops rapidly, especially new energy vehicles, its charging technology increasingly pursues high power fast charging, and the power terminal and the connecting part release a large amount of heat energy when charging, and the resistance value of the power terminal and the connecting part of the charging stand increases synchronously with the temperature rise, the heating condition continues unceasingly, the terminal performance will be greatly discounted, directly lead to the charging speed slows down, there is the probability of wire overheating, burning or even short circuit and fire, influence charging safety.

[0003] Therefore, the charging stand adopts the built-in liquid cooling module and is sealed at both ends by the sealing ring, which has the following defects: first, the sealing ring is prone to liquid leakage risk after high-temperature aging, which produces hazards such as short circuit, causes power trip, interrupts the charging process, and even damages the charging equipment, has potential safety risk, and reduces the service life of the charging stand; second, the existing liquid cooling module can only cool the terminal connecting part, the covered heating area is small, and the cooling effect is poor. UTILITY MODEL CONTENTS

[0004] In order to solve one or more of the above problems, the utility model provides a liquid cooling charging stand with pipeline package around cooling structure.

[0005] According to one aspect of the utility model, the liquid cooling charging stand with pipeline package around cooling structure comprises: a shell, a plurality of power terminals connected to the front and rear ends of the shell through a shaft sleeve, and a liquid cooling cable, wherein the front end plate of the liquid cooling cable and the rear end plate of the power terminal are welded to form a connecting block; and the liquid cooling charging stand further comprises a cooling assembly located in the shell, wherein the cooling assembly comprises a heat conduction cover and a cooling pipe.

[0006] The heat conduction cover is provided with a plurality of groups of front and rear straight connection front connecting holes and rear connecting holes, the front connecting holes are equal-diameter sleeved with the rear ends of the power terminals, and the rear connecting holes are matched and sleeved with the connecting block.

[0007] The liquid inlet port and the liquid outlet port of the cooling pipe are located at the front and rear ends of the heat conduction cover respectively, and the cooling pipe forms a plurality of cooling rings that are matched and wrapped around the outer wall of the heat conduction cover.

[0008] The liquid passage of the two liquid cooling cables extends into the inner cavity of the shell, and the two liquid passages are respectively connected with the liquid inlet port and the liquid outlet port to form a cooling loop.

[0009] In some embodiments, the heat conduction cover is provided with a plurality of rows of transverse pipe clamps from front to back on the upper and lower end faces, and the upper flat section and the lower flat section of each cooling ring are respectively connected with the transverse pipe clamps.

[0010] In some embodiments, the transverse pipe clamp is provided with an open-top C-shaped clamping hole, the lower edge of the clamping hole is flush with or lower than the surface of the heat conduction cover, the upper flat section and the lower flat section are in interference fit with the clamping hole, and the lower pipe wall is attached to the heat conduction cover.

[0011] In some embodiments, each row of transverse pipe clamps at the upper end and the transverse pipe clamps at the lower end are longitudinally staggered, so that the cooling ring is an inclined ring.

[0012] In some embodiments, the front end of the heat conduction cover is symmetrically provided with two front connecting holes in a circular tube structure, and the rear end is symmetrically provided with two rear connecting holes in a flat mouth structure, the front connecting holes are in equal-diameter sleeve connection with the rear end of the power terminal, and the rear connecting holes are attached to the front end plate of the liquid cooling cable and the rear end plate of the power terminal.

[0013] In some embodiments, the heat conduction cover is composed of an upper end cover and a lower end cover which are detachably connected through a clamping portion.

[0014] In some embodiments, the cooling assembly further comprises an outer protective cover, the vertical ear plate at the front end of the outer protective cover is connected to the front mounting shell of the shell through a threaded member, and the inner cavity of the outer protective cover surrounds the cooling pipe.

[0015] In some embodiments, the connection mode of the liquid passage pipe and the liquid inlet port and the liquid outlet port is any one of quick twist connection, quick plug connection and joint switching.

[0016] In some embodiments, the cooling pipe is a silica gel pipe, and the heat conduction cover is made of PPS material.

[0017] In some embodiments, the charging seat is any one of a national standard DC seat, a Japanese standard DC seat, a European standard DC seat and an American standard DC seat in a new energy vehicle.

[0018] The liquid-cooled charging seat with the pipe structure cooling structure adopts the cooling assembly with the pipe structure, avoids the structure of the sealing ring for closing the cooling cavity, contacts the heating end of the power terminal and the connecting block through the heat conduction cover at the same time, quickly conducts heat to the outside through the cooling pipe, and always ensures operation within a safe temperature; the beneficial effects are: first, the novel pipe structure cooling structure solves the aging and leakage problems of the original structure, can avoid short circuit hazards caused by liquid leakage, keeps the charging equipment in a stable operation state, ensures safe, efficient and fast charging, and prolongs the service life of the charging seat; second, the novel pipe structure cooling structure covers the heating terminal and the connecting heating area at the same time, has a wide coverage area, and has faster and better heat dissipation effect; third, the structure is simple, convenient to disassemble and maintain, and can effectively reduce the cost. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic view of the liquid-cooled charging seat with the pipe structure cooling structure according to an embodiment of the utility model;

[0020] Figure 2 As Figure 1 the cross-sectional view of the liquid cooling charging base shown in the figure;

[0021] Figure 3 As Figure 1 the three-dimensional exploded view of the cooling assembly shown in the figure;

[0022] Figure 4 As Figure 3 the three-dimensional view of the heat conduction cover shown in the figure (1);

[0023] Figure 5 As Figure 3 the three-dimensional view of the heat conduction cover shown in the figure (2);

[0024] Figure 6 As Figure 3 the three-dimensional view of the cooling pipe shown in the figure;

[0025] Cooling assembly 00, heat conduction cover 1, transverse pipe clamp 10, clamping hole 100, front joint hole 101, rear joint hole 102, positioning end plate 103, upper end cover 11, lower end cover 12, clamping part 13, cooling pipe 2, cooling ring 20, upper flat section 201, lower flat section 202, liquid inlet port 21, liquid outlet port 22, outer cover 3, vertical ear plate 31;

[0026] Housing 01, front mounting shell 011, rear mounting shell 012, tail cover 013, sealing line body 014;

[0027] Power terminal 02; Liquid cooling cable 03, liquid passage pipe 031; Connection block 04;

[0028] Circuit board assembly 05, signal terminal 06. DETAILED DESCRIPTION

[0029] The utility model will be further described in detail below in combination with the drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0030] Figures 1 to 6 The liquid cooling charging base with pipe wrapping cooling structure according to an embodiment of the utility model is schematically shown. As shown in the figure, the liquid cooling charging base with pipe wrapping cooling structure comprises: a housing 01 and a plurality of power terminals 02 connected to the front and rear ends of the housing 01, a liquid cooling cable 03, a front end plate of the liquid cooling cable 03 and a rear end plate of the power terminal 02 are welded to form a connection block 04;

[0031] The liquid cooling charging base further comprises a cooling assembly 00 located in the shell 01, and the cooling assembly 00 comprises a heat conduction cover 1 and a cooling pipe 2.

[0032] The heat conduction cover 1 is provided with a plurality of groups of front and rear straightly connected front connecting holes 101 and rear connecting holes 102, the front connecting holes 101 are in diameter and are sleeved with the rear end of the power terminal 02, and the rear connecting holes 102 are in close contact with the connecting block 04. The heat conduction cover 1 is preferably made of PPS material.

[0033] The liquid inlet port 21 and the liquid outlet port 22 of the cooling pipe 2 are located at the front and rear ends of the heat conduction cover 1 respectively, and the cooling pipe 2 is in the form of a plurality of cooling rings 20 which are in close contact with the outer wall of the heat conduction cover 1. The cooling pipe 2 is preferably a silica gel hose.

[0034] The liquid pipes 031 of the two liquid cooling cables 03 extend into the inner cavity of the shell 01, and the two liquid pipes 031 are connected with the liquid inlet port 21 and the liquid outlet port 22 respectively to form a cooling loop. Preferably, one liquid pipe 031 is located outside the front end of the heat conduction cover 1, and the other liquid pipe 031 is located outside the rear end of the heat conduction cover 1, and the connection mode of the two liquid pipes 031 with the liquid inlet port 21 and the liquid outlet port 22 is any one of quick screw connection, quick plug connection and joint adapter.

[0035] The liquid cooling charging base with the pipe-wrapped cooling structure adopts a pipe structure cooling assembly 00, avoids the structure of a sealing ring to close the cooling cavity, contacts the heating end of the power terminal 02 and the connecting block 04 through the heat conduction cover 1, and quickly conducts heat to the outside through the cooling pipe 2, so as to always ensure operation within a safe temperature. The beneficial effects are as follows: first, the novel pipe-wrapped cooling structure solves the problem of aging and leakage of the original structure, can avoid the short circuit hazard caused by liquid leakage, keeps the charging equipment in a stable operation state, ensures safe, efficient and fast charging, and prolongs the service life of the charging seat; second, the novel pipe-wrapped cooling structure covers the heating terminal and the connecting heating area at the same time, has a wide coverage area, and has faster and better heat dissipation effect; third, the structure is simple, easy to disassemble, maintain and effectively reduce the cost.

[0036] Further, the upper and lower end surfaces of the heat conduction cover 1 are provided with a plurality of rows of horizontal pipe clamps 10 from front to back, and the upper flat section 201 and the lower flat section 202 of each cooling ring 20 are connected with the horizontal pipe clamps 10 respectively. Preferably, the horizontal pipe clamp 10 is provided with a C-shaped clamping hole 100 with an upper opening, the lower edge of the clamping hole 100 is flush with or lower than the surface of the heat conduction cover 1, the upper flat section 201 and the lower flat section 202 are interference-fitted with the clamping hole 100, and the lower pipe wall is in close contact with the heat conduction cover 1. The beneficial effects are as follows: the setting makes the cooling pipe 2 and the heat conduction cover 1 contact more fully, and the heat conduction effect is better.

[0037] Preferably, each row of transverse pipe clamps 10 on the upper end face of the heat-conducting cover 1 and the transverse pipe clamps 10 on the lower end face are longitudinally staggered, so that the cooling ring 20 is an inclined annular shape. The beneficial effect is that this arrangement optimizes the heat dissipation path, making the heat dissipation uniform.

[0038] Further, the front end of the heat-conducting cover 1 is symmetrically provided with two front connecting holes 101 of circular tube structure, and the rear end is symmetrically provided with two rear connecting holes 102 of flat upper and lower end faces. The front connecting holes 101 are equal-diameter sleeves connected to the rear end of the power terminal 02, and the rear connecting holes 102 are flat upper and lower end faces that fit the front end plate of the liquid cooling cable 03 and the rear end plate of the power terminal 02. Preferably, a positioning end plate 103 is further provided between the front connecting hole 101 and the rear connecting hole 102, and the rear end face of the power terminal 02 is fitted with the positioning end plate 103. The beneficial effect is that this arrangement ensures that the heat-generating end and the heat-conducting cover 1 are in full contact, achieving good and rapid heat transfer.

[0039] Further, the heat-conducting cover 1 includes an open upper end cover 11 and a lower end cover 12, which are detachably connected to form a whole through the left and right side clamping parts 13. The beneficial effect is that this arrangement facilitates disassembly and maintenance.

[0040] Further, the cooling assembly 00 further includes an outer protective cover 3, and the vertical ear plate 31 at the front end of the outer protective cover 3 is connected to the front mounting shell 011 of the outer shell 01 through a threaded member, and the inner cavity of the outer protective cover 3 surrounds the cooling pipe 2. The beneficial effect is that this arrangement effectively protects the safety of the cooling pipe 2 and improves the service life.

[0041] Further, the outer shell 01 includes a front mounting shell 011 and a rear mounting shell 012 that are clamped front and rear; and a rubber sealing ring is further provided at the connection between the two;

[0042] The power terminal 02 is axially connected to the power shaft tube of the front mounting shell 011, and the liquid cooling cable 03 is sleeved with the tail cover 013 and is axially connected to the sealing line body 014 of the rear mounting shell 012;

[0043] The rear end plate of the front mounting shell 011 is screw-connected to the circuit board assembly 05, a plurality of signal terminals 06 are axially connected to the signal shaft hole of the front mounting shell 011 and are rear-end connected to the circuit board assembly 05 through a drum spring;

[0044] The front end of the grounding terminal is axially connected to the grounding shaft hole of the front mounting shell 011. The beneficial effect is that this arrangement facilitates assembly and has high assembly efficiency.

[0045] Preferably, the charging seat is any one of the national standard, Japanese standard, European standard and American standard direct current seats in new energy vehicles. The beneficial effect is that this charging seat can be applied to various charging scene requirements and has a wide range of applications.

[0046] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, some modifications and improvements can be made, and these all belong to the protection scope of the present application.

Claims

1. A liquid-cooled charging station having a pipe-wrapped cooling structure, comprising: The shell (01) and the shaft sleeve are connected with a plurality of power terminals (02) at the front and rear ends of the shell (01), and a liquid cooling cable (03), and the front end plate of the liquid cooling cable (03) and the rear end plate of the power terminal (02) are welded to form a connecting block (04); characterized in that it further comprises a cooling assembly (00) located in the shell (01), wherein the cooling assembly (00) comprises a heat-conducting cover (1) and a cooling pipe (2); The heat-conducting cover (1) is provided with a plurality of groups of front and rear straight-through front connecting holes (101) and rear connecting holes (102), the front connecting holes (101) are equal-diameter sleeved with the rear ends of the power terminals (02), and the rear connecting holes (102) are fitted and sleeved with the connecting block (04); The liquid inlet port (21) and the liquid outlet port (22) of the cooling pipe (2) are located at the front and rear ends of the heat-conducting cover (1) respectively, and the cooling pipe (2) is formed into a plurality of cooling rings (20) which are fitted and wrapped around the outer wall of the heat-conducting cover (1). Two liquid passage pipes (031) of the liquid cooling cable (03) extend into the inner cavity of the shell (01), and the two liquid passage pipes (031) are respectively connected with the liquid inlet port (21) and the liquid outlet port (22) to form a cooling loop.

2. The liquid-cooled charging station with pipe-wrapped cooling structure according to claim 1, characterized in that, The heat-conducting cover (1) is provided with a plurality of rows of transverse pipe clamps (10) on the upper and lower end faces from front to back, and the upper flat section (201) and the lower flat section (202) of each cooling ring (20) are respectively connected with the transverse pipe clamps (10).

3. The liquid-cooled charging station with pipe-wrapped cooling structure according to claim 2, characterized in that, The transverse pipe clamp (10) is provided with a C-shaped clamping hole (100) with an upper opening, the lower edge of the clamping hole (100) is flush with or lower than the surface of the heat-conducting cover (1), the upper flat section (201) and the lower flat section (202) are interference-fitted with the clamping hole (100), and the lower pipe wall thereof is fitted with the heat-conducting cover (1).

4. The liquid-cooled charging station with pipe-wrapped cooling structure of claim 2, wherein, Each row of transverse pipe clamps (10) at the upper end and the transverse pipe clamps (10) at the lower end are longitudinally staggered, so that the cooling ring (20) is an inclined ring.

5. The liquid-cooled charging station with pipe-wrapped cooling structure of claim 1, wherein, The heat-conducting cover (1) is provided with two front connecting holes (101) of circular tube structure symmetrically at the front end and two flat-mouth rear connecting holes (102) with upper and lower end faces being planes symmetrically at the rear end, the front connecting holes (101) are equal-diameter sleeved with the rear ends of the power terminals (02), and the upper and lower planes of the rear connecting holes (102) are fitted with the front end plate of the liquid cooling cable (03) and the rear end plate of the power terminal (02).

6. The liquid-cooled charging station with a pipe-wrapped cooling structure according to any one of claims 1 to 5, characterized in that, The heat-conducting cover (1) is formed by detachably connecting the upper end cover (11) and the lower end cover (12) on the left and right sides through the clamping part (13).

7. The liquid-cooled charging station with pipe-wrapped cooling structure of claim 6, wherein, The cooling assembly (00) further comprises an outer cover (3), a vertical ear plate (31) at the front end of the outer cover (3) is connected with the front mounting shell (011) of the shell (01) through a threaded member, and the inner cavity of the outer cover (3) surrounds the cooling pipe (2).

8. The liquid-cooled charging station with a pipe-wrapped cooling structure according to any one of claims 1 to 5, characterized in that, The connection mode of the liquid passage pipe (031) and the liquid inlet port (21) and the liquid outlet port (22) is any one of quick screw connection, quick plug connection and joint switching.

9. The liquid-cooled charging station with pipe-wrapped cooling structure of claim 8, wherein, The cooling pipe (2) is a silica gel pipe, and the heat-conducting cover (1) is made of PPS material.

10. The liquid-cooled charging station with a pipe-wrapped cooling structure according to any one of claims 1 to 9, characterized in that, The charging seat is any one of the national standard DC seat, the Japanese standard DC seat, the European standard DC seat and the American standard DC seat in new energy vehicles.

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