Branching structure for new-energy automobile high-voltage wire harness

By introducing clamping and sealing components and fire extinguishing components into the high-voltage wiring harness branching structure of new energy vehicles, the problem of easy combustion of wiring harnesses has been solved, safety has been improved and maintenance has been made more convenient, ensuring the safe use of high-voltage wiring harnesses.

CN223680668UActive Publication Date: 2025-12-16CHANGZHOU HUALIN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423301802.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-16
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing high-voltage wiring harness branch structure of new energy vehicles is prone to fire when there is poor contact or short circuit. The lack of fire extinguishing mechanism leads to the spread of fire and affects safety.

Method used

A branch structure including a clamping and sealing component and a fire extinguishing component was designed. Heat is dissipated by heat-conducting plates and heat-conducting columns. In case of fire, liquid extinguishing agent is released through a storage tank to extinguish the fire. The components can be disassembled for easy maintenance.

Benefits of technology

It improves the safety of high-voltage wiring harnesses in new energy vehicles, prevents the spread of fire, and facilitates the replacement and maintenance of wiring harnesses.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a branching structure for a new-energy automobile high-voltage wire harness, and relates to the technical field of new-energy automobiles. The wire branching cylinder comprises a wire branching cylinder, a first heat conduction clamping plate is arranged in the wire branching cylinder, and a second heat conduction clamping plate is arranged at the top of the first heat conduction clamping plate. According to the utility model, the new energy automobile high-voltage wire harness is clamped and fixed through the first heat conduction clamping plate and the second heat conduction clamping plate, and the two ends of the branching cylinder are sealed to form a sealed space, so that heat generated in the use process of the new energy automobile high-voltage wire harness is dissipated through the first heat conduction clamping plate, the second heat conduction clamping plate and the heat conduction column; and if a fire occurs in the branching cylinder, the interior of the branching cylinder is sealed, internal air pressure is increased due to the fire, internal air expands and presses a piston plate downwards through a guide pipe, a liquid fire extinguishing agent in a liquid storage tank is pressed out from an atomizing plate in an atomizing state through a through pipe, fire extinguishing is conducted on the interior of the branching cylinder, and therefore the use safety of the new-energy automobile high-voltage wire harness is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to new energy automobile technical field, especially a kind of new energy automobile high-voltage wire harness is used to branch structure. BACKGROUND

[0002] The high-voltage wire harness used in the high-voltage electrical system of new energy vehicle is the key part connecting battery, motor, charging interface, controller and other electrical components, and the high-voltage wire harness is responsible for transmitting high-voltage current to ensure the normal operation of the system. In order to improve safety, reduce electromagnetic interference and facilitate maintenance, the new energy vehicle high-voltage wire harness is branched, and the branching structure is used.

[0003] The existing branching structure fixes the new energy vehicle high-voltage wire harness inside the branching device for use when branching the new energy vehicle high-voltage wire harness, thereby improving safety and reducing electromagnetic interference. However, the high-voltage wire harness needs to transmit high-voltage current during use, and it is easy to catch fire and burn when it is not in good contact or short-circuits. Since the branching structure does not have a fire extinguishing mechanism, the fire will spread along the wire harness, affecting the safety of the new energy vehicle high-voltage wire harness.

[0004] Therefore, we provide a new energy vehicle high-voltage wire harness branching structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a new energy vehicle high-voltage wire harness branching structure, which solves the problem of reduced safety of new energy vehicle high-voltage wire harness due to the lack of fire extinguishing mechanism in the existing branching structure through the cooperation of clamping and sealing assembly and fire extinguishing assembly.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme.

[0007] The utility model is a new energy vehicle high-voltage wire harness branching structure, which comprises a branching cylinder, a first heat-conducting clamp plate is arranged inside the branching cylinder, and a second heat-conducting clamp plate is arranged on the top of the first heat-conducting clamp plate. A clamping and sealing assembly is arranged inside the branching cylinder, the clamping and sealing assembly comprises a heat-conducting column, the first heat-conducting clamp plate and the second heat-conducting clamp plate are fixedly connected with the heat-conducting column, a threaded sleeve is fixedly connected to the top of the second heat-conducting clamp plate, a fire extinguishing assembly is arranged on the top of the branching cylinder, the fire extinguishing assembly comprises a liquid storage tank, the liquid storage tank is fixedly connected with the branching cylinder through a connecting rod at the bottom, and a piston plate is arranged inside the liquid storage tank. A dismounting assembly is arranged on the top of the branching cylinder, the dismounting assembly comprises a fixed cylinder, the fixed cylinder is fixedly connected with the branching cylinder through a fixed rod at the bottom, an activity rod is arranged inside the fixed cylinder, and the dismounting assembly is used to release the limiting sealing of the second heat-conducting clamp plate.

[0008] The utility model further sets up, the clamping sealing assembly still includes fixed frame, the fixed frame is located in the inside of the distribution cylinder, the fixed frame one side swing joint has the threaded rod, the fixed frame bottom is provided with driving wheel, the driving wheel one side has the from the driving wheel, the fixed frame one side fixedly connected with first sliding block, the threaded bush top fixedly connected with second sliding block.

[0009] The utility model further sets up, the fire extinguishing component still includes the pipe, the pipe one side is linked with the liquid storage tank, the pipe other side is linked with the distribution cylinder, the liquid storage tank one side is linked with the pipe, the pipe one side is linked with the atomizing board, the pipe and pipe surface all set up the check valve.

[0010] The utility model further sets up, the liquid storage tank one side is linked with the liquid inlet pipe, and the liquid inlet pipe surface is connected with the pipe cover.

[0011] The utility model further sets up, the dismounting assembly still includes movable plate, the movable plate is located in the inside of the fixed cylinder, the movable rod surface sets up the spring, and the movable rod top penetrates fixed cylinder and is fixedly connected with the rotating plate, and the movable plate one side fixedly connected with the limit block.

[0012] The utility model further sets up, the fixed cylinder top is provided with the baffle, and the baffle bottom fixedly connected with movable block.

[0013] The utility model further sets up, the first heat conduction clamping plate bottom fixedly connected with the support rod, and the support rod bottom is fixedly connected with the inside bottom of the distribution cylinder.

[0014] The utility model further sets up, the distribution cylinder bottom fixedly connected with the bottom plate, and the liquid storage tank front side fixedly connected with the observation window.

[0015] The utility model has following beneficial effect.

[0016] 1, the utility model discloses a first heat conduction clamping plate and second heat conduction clamping plate are carried out to the new energy automobile high voltage wire harness clamping fixed, and are sealed to the both ends of distribution cylinder, form sealed space, and the heat generated in the use process of new energy automobile high voltage wire harness is sent out via first heat conduction clamping plate, second heat conduction clamping plate and heat conduction column, if the fire occurs in the inside of distribution cylinder, its inside is sealed, and the internal air expands via the pipe and presses down piston plate when the fire occurs, and the liquid fire extinguishing agent in the inside of liquid storage tank is pressed out from the atomizing board with atomizing conversion state via pipe, and the inside of distribution cylinder is extinguished, so as to improve the use safety of new energy automobile high voltage wire harness.

[0017] 2, the utility model discloses a rotation rotating plate is driven by movable rod and drives driving wheel to rotate, and the screw rod is driven to rotate by the driven wheel, and the second heat conduction clamp plate and the heat conduction column are moved by the threaded sleeve, and the rotating plate is pulled up, can remove the clamping of the second heat conduction clamp plate to the new energy automobile high -voltage wire harness, and the new energy automobile high -voltage wire harness is replaced and overhauled. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the embodiment description needed to use the drawing simple introduction.

[0019] Figure 1 It is a kind of new energy automobile high -voltage wire harness split structure's perspective view.

[0020] Figure 2 It is a kind of new energy automobile high -voltage wire harness split structure split line cylinder's section view.

[0021] Figure 3 It is a kind of new energy automobile high -voltage wire harness split structure fixed cylinder's section view.

[0022] Figure 4 It is a kind of new energy automobile high -voltage wire harness split structure liquid storage tank's section view.

[0023] Figure 5 It is a kind of new energy automobile high -voltage wire harness split structure's rear view.

[0024] In the drawing: 1, split line cylinder;2, first heat conduction clamp plate;3, second heat conduction clamp plate;4, heat conduction column;5, threaded sleeve;6, liquid storage tank;7, piston plate;8, fixed cylinder;9, movable rod;10, fixed frame;11, screw rod;12, driving wheel;13, driven wheel;14, guide pipe;15, through pipe;16, atomization plate;17, check valve;18, movable plate;19, spring;20, rotating plate;21, support rod;22, bottom plate;23, observation window. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model embodiment will be described below, and the described embodiment is only a part of the utility model, not all.

[0026] Embodiment one, please refer to Figures 1-5The utility model relates to a kind of branch structure for new energy automobile high-voltage wiring harness, including branch cylinder 1, first heat-conducting clamp plate 2 is arranged inside branch cylinder 1, and second heat-conducting clamp plate 3 is arranged in the top of first heat-conducting clamp plate 2;Clamping sealing assembly is arranged in the inside of branch cylinder 1, and clamping sealing assembly includes heat-conducting column 4, first heat-conducting clamp plate 2 and second heat-conducting clamp plate 3 are all fixedly connected between heat-conducting column 4, second heat-conducting clamp plate 3 top is fixedly connected with threaded sleeve 5, branch cylinder 1 top is provided with fire extinguishing assembly, and fire extinguishing assembly includes liquid storage tank 6, and liquid storage tank 6 bottom is fixedly connected with branch cylinder 1 by connecting rod, and piston plate 7 is arranged in the inside of liquid storage tank 6;Branch cylinder 1 top is provided with dismounting assembly, and dismounting assembly includes fixed cylinder 8, and fixed cylinder 8 bottom is fixedly connected with branch cylinder 1 by fixed rod, and movable rod 9 is arranged in the inside of fixed cylinder 8, and dismounting assembly is used to remove the limiting sealing of second heat-conducting clamp plate 3.

[0027] Specifically: branch cylinder 1 both sides have opening, can guarantee that new energy automobile high-voltage wiring harness normally passes, and first heat-conducting clamp plate 2 top and second heat-conducting clamp plate 3 bottom are all fixedly connected with soft pad, and spring 19 can be closely contacted with the surface of new energy automobile high-voltage wiring harness when being elastically extruded, is well clamped and fixed to it, and guarantee sealing property, and first heat-conducting clamp plate 2, second heat-conducting clamp plate 3 and heat-conducting column 4 are all heat-conducting material, can be cooled to new energy automobile high-voltage wiring harness, and first heat-conducting clamp plate 2 and second heat-conducting clamp plate 3 are all in contact with branch cylinder 1, can form sealed space, and heat-conducting column 4 side penetrates branch cylinder 1, threaded sleeve 5 is screw-connected on the surface of threaded rod 11, liquid extinguishing agent for extinguishing is stored in the inside of liquid storage tank 6, and movable rod 9 bottom penetrates branch cylinder 1 and is fixedly connected with driving wheel 12.

[0028] Embodiment two, please refer to Figures 1-5On the basis of the first embodiment, the clamping and sealing assembly further comprises a fixing frame 10 located inside the distribution cylinder 1, one side of the fixing frame 10 movably connected with a threaded rod 11, the bottom of the fixing frame 10 provided with a driving wheel 12, one side of the driving wheel 12 engaged with a driven wheel 13, one side of the fixing frame 10 fixedly connected with a first sliding block, the top of the threaded sleeve 5 fixedly connected with a second sliding block, the extinguishing assembly further comprising a conduit 14, one side of the conduit 14 communicated with the liquid storage tank 6, the other side of the conduit 14 communicated with the distribution cylinder 1, one side of the liquid storage tank 6 communicated with a through pipe 15, one side of the through pipe 15 communicated with an atomizing plate 16, the surfaces of the conduit 14 and the through pipe 15 both sleeved with a check valve 17, one side of the liquid storage tank 6 communicated with a liquid inlet pipe, the surface of the liquid inlet pipe threadedly connected with a pipe cover, the dismounting assembly further comprising a movable plate 18 located inside the fixed cylinder 8, the surface of the movable rod 9 sleeved with a spring 19, the top of the movable rod 9 penetrating through the fixed cylinder 8 and fixedly connected with a rotating plate 20, one side of the movable plate 18 fixedly connected with a limiting block, the top of the fixed cylinder 8 provided with a baffle, the bottom of the baffle fixedly connected with a movable block, the bottom of the first heat-conducting clamp plate 2 fixedly connected with a supporting rod 21, the bottom of the supporting rod 21 fixedly connected with the inner bottom of the distribution cylinder 1, the bottom of the distribution cylinder 1 fixedly connected with a bottom plate 22, the front side of the liquid storage tank 6 fixedly connected with an observation window 23.

[0029] Specifically, the threaded rod 11 movably connected with the fixing frame 10 through a bearing, the distribution cylinder 1 provided with a first sliding groove on one side matched with the first sliding block, the fixing frame 10 provided with a second sliding groove on the bottom matched with the second sliding block, the movable plate 18 and the fixing frame 10 movably connected with the movable rod 9 through a bearing, the through pipe 15 designed as a bent pipe, so that when the check valve 17 is opened, the pressure difference inside the liquid storage tank 6 is not enough to press the liquid extinguishing agent out of the through pipe 15, the through pipe 15 fixedly connected with the distribution cylinder 1, the top of the fixing frame 10 provided with a through groove, so that the atomized extinguishing agent can normally fall, the bottom of the spring 19 fixedly connected with the inner bottom of the fixed cylinder 8, the top of the spring 19 fixedly connected with the movable plate 18, one side of the inside of the fixed cylinder 8 provided with a limiting groove matched with the limiting block, the top of the fixed cylinder 8 provided with a movable groove matched with the movable block.

[0030] The working principle of the utility model is as follows: the new energy automobile high-voltage wire harness passes through the distribution cylinder 1, and is clamped and fixed through the first heat-conducting clamp plate 2 and the second heat-conducting clamp plate 3, at this moment, the first heat-conducting clamp plate 2 and the second heat-conducting clamp plate 3 are in close contact with the distribution cylinder 1, the soft pad is in contact with the new energy automobile high-voltage wire harness, a sealed space is formed, the heat generated by the new energy automobile high-voltage wire harness is dissipated through the first heat-conducting clamp plate 2, the second heat-conducting clamp plate 3 and the heat-conducting column 4, and the check valve 17 is opened.

[0031] If the inside of the distribution cylinder 1 is on fire, the internal pressure becomes larger, air expands and pushes the piston plate 7 through the conduit 14, liquid fire extinguishing agent in the liquid tank 6 is pressed out from the atomizing plate 16 through the pipe 15 in an atomized state, the inside of the distribution cylinder 1 is atomized and extinguished, fire spreading along the wire harness is avoided, and the use safety of the high-voltage wire harness of the new energy automobile is improved.

[0032] The liquid level inside the liquid tank 6 is observed through the observation window 23, when the liquid level changes, the inside of the distribution cylinder 1 is on fire, the rotating plate 20 is rotated, the driving wheel 12 is driven to rotate through the movable rod 9, the threaded sleeve 5 is driven to move through the driven wheel 13 and the threaded rod 11, the sealing of the distribution cylinder 1 by the second heat-conducting clamp plate 3 and the clamping of the high-voltage wire harness of the new energy automobile are released, the rotating plate 20 is pulled upwards, the second heat-conducting clamp plate 3 is driven to move upwards as a whole through the movable rod 9 and the fixed frame 10, the spring 19 is compressed, and the movable baffle is limited to the rotating plate 20, so that the high-voltage wire harness of the new energy automobile can be replaced and repaired, and the use of people is facilitated.

[0033] The standard parts used in the utility model can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled through a control unit, the control circuit of the control unit can be realized through simple programming of the person skilled in the art, and the control mode and circuit connection are not explained in detail in the utility model, which belongs to the public knowledge in the field.

[0034] The preferred embodiments of the utility model disclosed above are only used for helping to describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments, the embodiments are selected and specifically described in the specification, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.

Claims

1. A new energy automobile high-voltage wiring harness branching structure, comprising a branching cylinder (1), characterized in that: The first heat-conducting clamping plate (2) is provided at the top of the distribution cylinder (1), and a second heat-conducting clamping plate (3) is provided at the top of the first heat-conducting clamping plate (2); The distribution cylinder (1) is internally provided with a clamping and sealing assembly, the first heat-conducting clamping plate (2) and the second heat-conducting clamping plate (3) are fixedly connected with a heat-conducting column (4), the second heat-conducting clamping plate (3) is fixedly connected with a threaded sleeve (5) at the top, the distribution cylinder (1) is provided with a fire extinguishing assembly at the top, the fire extinguishing assembly comprises a liquid storage tank (6), the liquid storage tank (6) is fixedly connected with the distribution cylinder (1) through a connecting rod at the bottom, and a piston plate (7) is arranged in the liquid storage tank (6). The distribution cylinder (1) is provided with a dismounting assembly at the top, the dismounting assembly comprises a fixed cylinder (8), the fixed cylinder (8) is fixedly connected with the distribution cylinder (1) through a fixed rod at the bottom, the fixed cylinder (8) is internally provided with a movable rod (9), and the dismounting assembly is used for releasing the limiting sealing of the second heat-conducting clamping plate (3).

2. The new energy automobile high-voltage wire harness according to claim 1, characterized in that: The clamping and sealing assembly further comprises a fixed frame (10), the fixed frame (10) is located in the distribution cylinder (1), one side of the fixed frame (10) is movably connected with a threaded rod (11), the fixed frame (10) is provided with a driving wheel (12) at the bottom, the driving wheel (12) is meshed with a driven wheel (13) at one side, the fixed frame (10) is fixedly connected with a first sliding block at one side, and the threaded sleeve (5) is fixedly connected with a second sliding block at the top.

3. The new energy automobile high-voltage wire harness according to claim 1, characterized in that: The fire extinguishing assembly further comprises a conduit (14), one side of the conduit (14) is communicated with the liquid storage tank (6), the other side of the conduit (14) is communicated with the distribution cylinder (1), one side of the liquid storage tank (6) is communicated with a pipe (15), one side of the pipe (15) is communicated with an atomizing plate (16), and the surfaces of the conduit (14) and the pipe (15) are both sleeved with a one-way valve (17).

4. The new energy automobile high-voltage wire harness according to claim 3, characterized in that: One side of the liquid storage tank (6) is communicated with a liquid inlet pipe, and a pipe cover is threadedly connected to the surface of the liquid inlet pipe.

5. The new energy automobile high-voltage wire harness according to claim 1, characterized in that: The dismounting assembly further comprises a movable plate (18), the movable plate (18) is located in the fixed cylinder (8), a spring (19) is sleeved on the surface of the movable rod (9), the movable rod (9) penetrates through the fixed cylinder (8) at the top and is fixedly connected with a rotating plate (20), and a limiting block is fixedly connected to one side of the movable plate (18).

6. The new energy automobile high-voltage wire harness according to claim 1, characterized in that: The fixed cylinder (8) is provided with a baffle at the top, and the baffle is fixedly connected with a movable block at the bottom.

7. The new energy automobile high-voltage wire harness according to claim 1, characterized in that: The first heat-conducting clamping plate (2) is fixedly connected with a supporting rod (21) at the bottom, and the supporting rod (21) is fixedly connected with the inner bottom of the distribution cylinder (1) at the bottom.

8. The new energy automobile high-voltage wire harness according to claim 1, characterized in that: The bottom of the distribution cylinder (1) is fixedly connected with a bottom plate (22), and the front side of the liquid storage tank (6) is fixedly connected with an observation window (23). The bottom of the distribution cylinder (1) is fixedly connected with a bottom plate (22), and the front side of the liquid storage tank (6) is fixedly connected with an observation window (23).