Cable joint protection structure

Abstract

The utility model relates to the technical field of cables, in particular to a cable joint protection structure, which comprises a high-voltage main wire harness, a plurality of high-voltage branch wire harnesses are arranged in the high-voltage main wire harness, a butt joint interface is fixedly mounted on the top surface of the high-voltage main wire harness, and a limiting groove is formed in the top surface of the butt joint interface; the connecting assembly is arranged above the high-voltage bus harness, and the connecting assembly is used for connecting the high-voltage harness connector and the high-voltage harness interface; and the cutting and melting assembly is arranged in the limiting groove, and the cutting and melting assembly is used for cutting the high-voltage branch wire harness in the high-voltage wire harness connector and enabling the high-voltage branch wire harness in the high-voltage wire harness connector to be connected with the high-voltage branch wire harness in the high-voltage wire harness interface. Compared with the prior art, by arranging the cutting and melting assembly and the connecting assembly, connection between the wire harnesses can be achieved, the connecting stability is enhanced, the operation process is simple and rapid, and the maintenance cost is reduced due to the fact that the wire harnesses and the plug are arranged in a separated mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a cable connecting place protection structure. BACKGROUND

[0002] As one of important parts on new energy vehicle, high voltage wire harness is equivalent to whole vehicle high voltage electrical supply blood vessel, and improving high voltage wire harness performance and reducing cost have important significance for new energy vehicle.

[0003] In the prior art, the patent literature with the publication number CN211295587U discloses a high-voltage wire harness structure and a high-voltage wire harness connection, which proposes a wire harness body, including a conductor, an inner insulation layer, a shielding layer and an outer insulation layer arranged in sequence from inside to outside, one end of the wire harness body is a target end for connecting with a to-be-connected device, the target end is arranged to expose the shielding layer, the inner insulation layer and the conductor in sequence in the direction pointing to the end portion; and a shielding ring with a stepped cylindrical shape, the shielding ring includes: a first cylindrical portion, the inner surface of which is in pressure with the shielding layer of the target end, and the outer surface of which is in abutment with the inner side of the shielding spring of a fixing device, the fixing device is fixed on the to-be-connected device; a second cylindrical portion, the inner surface of which is in pressure with the outer insulation layer of the target end. In the above scheme, the steps are relatively complicated during the connection of the high-voltage wire harness, and the device is relatively fixed in arrangement, which is inconvenient for maintenance and replacement. SUMMARY

[0004] Therefore, the utility model discloses a cable connecting place protection structure to solve the problem that the steps are relatively complicated and inconvenient for maintenance and replacement during the connection of the high-voltage wire harness.

[0005] To achieve the above purpose, the utility model provides a cable connecting place protection structure, which includes: a high-voltage bus harness, the inside of the high-voltage bus harness is provided with a plurality of high-voltage branch wire harnesses, the top surface of the high-voltage bus harness is fixedly installed with a butt joint, the top surface of the butt joint is provided with a limiting slot, the upper side of the butt joint is provided with a butt joint, the inside of the butt joint is provided with the high-voltage branch wire harness, a connecting assembly is arranged above the high-voltage bus harness, the connecting assembly is used for connecting the butt joint and the butt joint, the inside of the butt joint is provided with the high-voltage branch wire harness, the high-voltage branch wire harness inside the high-voltage bus harness is electrically connected with the high-voltage branch wire harness inside the butt joint, a cutting and melting assembly is arranged inside the limiting slot, the cutting and melting assembly is used for cutting the high-voltage branch wire harness inside the butt joint and connecting the high-voltage branch wire harness inside the butt joint with the high-voltage branch wire harness inside the butt joint.

[0006] Preferably, the connecting assembly comprises a plurality of LED lamps fixedly installed in the middle of the docking interface, the plurality of LED lamps are electrically connected with the plurality of high-voltage branch wires respectively, a first spring is fixedly installed in the middle of the docking interface, a reset rod is fixedly installed at the top of the first spring, a sealing ring is slidingly installed on the outer wall of the docking interface, a third spring is arranged between the sealing ring and the outer wall of the limiting groove, a groove is arranged on the outer wall of the docking connector, a rear clasp is arranged at the top of the docking connector, a front clasp is slidingly installed on the inner wall of the docking connector, the front clasp is clampedly connected with the rear clasp, a high-voltage wire harness plug is fixedly installed in the middle of the front clasp, and a docking disc is fixedly installed at the bottom of the high-voltage wire harness plug and electrically connected with the high-voltage branch wire.

[0007] Preferably, the cutting and melting assembly comprises a plurality of graphene heating balls arranged in the inside of the limiting groove, a connecting column is fixedly installed on the bottom surface of the limiting groove, a bearing is fixedly installed on the inner wall of the connecting column, a second spring is fixedly installed on the inner wall of the connecting column, a blade is fixedly installed at the other end of the second spring, the bearing is rotationally connected with the blade, a branch wire connecting rod is fixedly installed at the bottom of the connecting column, the branch wire connecting rod is electrically connected with a plurality of high-voltage branch wires arranged in the inside of the docking interface, the insulating layer on the surface of the high-voltage branch wire in the inside of the branch wire connecting rod is stripped to expose copper wires, and a hot melting block is fixedly installed on the top surface of the branch wire connecting rod.

[0008] Preferably, the inner wall of the sealing ring is provided with a protruding ring matched with the graphene heating ball.

[0009] Preferably, the groove is provided with a protruding column matched with the graphene heating ball.

[0010] Preferably, the connecting column is provided with an opening matched with the graphene heating ball.

[0011] The utility model discloses the beneficial effect of:

[0012] 1. The cable connection protection structure is provided with a connecting assembly, the "O" ring sealing arrangement is adopted to prevent dust and water from entering the cutting and melting assembly, the cutting and melting assembly is protected from the influence of the external environment, the electrical connection between the LED lamp and each high-voltage branch wire makes the corresponding LED lamp extinguish when the high-voltage branch wire is damaged, the maintenance personnel can quickly identify and locate the fault high-voltage branch wire, thereby targeted maintenance and replacement are carried out, the maintenance efficiency is improved, the operation process is simple and fast, the wire harness and the plug are separated, when the wire harness and the plug are damaged, only the damaged wire harness and the plug need to be replaced, the whole plug does not need to be replaced, and the maintenance cost is reduced.

[0013] 2. The cable connection protection structure, by setting the cutting and melting assembly, the copper wire is directly exposed after cutting, and the connection between the wire harnesses is realized by the cooperation of the hot melting block and the graphene heating ball after cutting, which can effectively resist loosening or falling caused by external factors such as vehicle vibration, bumping and the like, and ensure the long-term stability of circuit connection. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings described below are only the present application, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0016] Figure 2 It is a butt joint interface structure schematic diagram of the present application;

[0017] Figure 3 It is a three-dimensional structure schematic diagram of the present application Figure 2 It is an enlarged structure schematic diagram of A in the present application;

[0018] Figure 4 It is a front clasp ring structure schematic diagram of the present application;

[0019] Figure 5 It is a butt joint interface and high-voltage bus bar profile structure schematic diagram of the present application.

[0020] In the figure, the marks are:

[0021] 1, high-voltage wire harness plug; 2, front clasp ring; 3, butt joint; 4, rear clasp ring; 5, groove; 6, butt joint disc; 7, high-voltage branch wire harness; 8, sealing ring; 9, graphene heating ball; 10, reset rod; 11, first spring; 12, LED lamp; 13, high-voltage bus bar; 14, butt joint interface; 15, second spring; 16, connecting column; 17, bearing; 18, blade; 19, hot melting block; 20, branch wire harness connecting rod; 21, third spring; 22, limiting groove. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will further illustrate the present application in detail.

[0023] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0024] like Figures 1 to 5 As shown, a high-voltage bus bundle 13 contains several high-voltage branch bundles 7. A docking interface 14 is fixedly installed on the top surface of the high-voltage bus bundle 13. A limiting groove 22 is formed on the top surface of the docking interface 14. A docking connector 3 is provided above the docking interface 14, and a high-voltage branch bundle 7 is provided inside the docking connector 3. A connecting component is provided above the high-voltage bus bundle 13 and is used to connect the docking interface 14 and the docking connector 3. A high-voltage branch bundle 7 is provided inside the docking interface 14, and the high-voltage branch bundles 7 inside the high-voltage bus bundle 13 are electrically connected to the high-voltage branch bundles 7 inside the docking interface 14. A cutting and melting component is provided inside the limiting groove 22 and is used to cut the high-voltage branch bundles 7 inside the docking connector 3 and to connect the high-voltage branch bundles 7 inside the docking connector 3 with the high-voltage branch bundles 7 inside the docking interface 14. The high-voltage branch wire harness 7 inside the docking interface 14 is connected. The cutting and melting assembly includes several graphene heating balls 9 set inside the limiting groove 22. A connecting post 16 is fixedly installed on the bottom surface of the limiting groove 22. A bearing 17 is fixedly installed on the inner wall of the connecting post 16. A second spring 15 is fixedly installed on the inner wall of the connecting post 16. A blade 18 is fixedly installed on the other end of the second spring 15. The bearing 17 and the blade 18 are rotatably connected. A branch wire harness connecting rod 20 is fixedly installed at the bottom of the connecting post 16. The branch wire harness connecting rod 20 is electrically connected to several high-voltage branch wire harnesses 7 set inside the docking interface 14. The insulation layer on the surface of the high-voltage branch wire harness 7 inside the branch wire harness connecting rod 20 is peeled off to expose copper wires. A hot melt block 19 is fixedly installed on the top surface of the branch wire harness connecting rod 20. The connecting post 16 is provided with a notch that is compatible with the graphene heating balls 9.

[0025] By setting the cutting melting assembly, the high-voltage sub-bundle 7 arranged inside the high-voltage busbar 13 is fixedly connected with the high-voltage sub-bundle 7 arranged inside the docking interface 14. When the docking connector 3 is inserted into the docking interface 14, the blade 18 arranged on the inner wall of the connecting column 16 will cut the high-voltage sub-bundle 7 inside the docking connector 3. After the high-voltage sub-bundle 7 inside the docking connector 3 is cut, the copper wire is exposed. At this time, the hot melt block 19 will resist the high-voltage sub-bundle 7 inside the docking connector 3 from moving downward. The sliding seal ring 8, the protruding ring of the seal ring 8 will make the graphene heating ball 9 move inward. The hot melt block 19 is provided with an opening matched with the graphene heating ball 9. The graphene heating ball 9 will be in contact with the hot melt block 19. At this time, the graphene heating ball 9 will heat and melt the hot melt block 19 into a paste. The sub-bundle connecting rod 20 is electrically connected with the high-voltage sub-bundle 7 arranged inside the docking interface 14. The sub-bundle connecting rod 20 is provided with exposed copper wire. At this time, the high-voltage sub-bundle 7 inside the docking connector 3 is inserted into the sub-bundle connecting rod 20. The exposed copper wire of the high-voltage sub-bundle 7 inside the docking connector 3 will be in contact with the exposed copper wire inside the sub-bundle connecting rod 20. The paste-shaped hot melt block 19 will be attached to the contact point of the exposed copper wire of the high-voltage sub-bundle 7 inside the docking connector 3 and the exposed copper wire inside the sub-bundle connecting rod 20. The sliding seal ring 8, the graphene heating ball 9 is separated from the hot melt block 19. After losing the heat of the graphene heating ball 9, the hot melt block 19 will quickly condense into a solid at room temperature. The exposed copper wire of the high-voltage sub-bundle 7 inside the docking connector 3 will be fully bonded with the exposed copper wire inside the sub-bundle connecting rod 20. This circuit connection mode can resist loosening or falling caused by external factors such as vehicle vibration and bumping, and ensure the long-term stability of the circuit connection.

[0026] As shown in Figures 1 to 5 A cable connection protection structure, comprising: a connection assembly comprising a plurality of LED lights 12 fixedly installed in the middle of the docking interface 14, a plurality of LED lights 12 are electrically connected with a plurality of high-voltage sub-bundles 7 respectively, a first spring 11 is fixedly installed in the middle of the docking interface 14, a reset rod 10 is fixedly installed at the top of the first spring 11, a seal ring 8 is slidingly installed on the outer wall of the docking interface 14, a third spring 21 is arranged between the seal ring 8 and the outer wall of the limiting groove 22, a groove 5 is arranged on the outer wall of the docking connector 3, a rear clamping ring 4 is arranged at the top of the docking connector 3, a front clamping ring 2 is slidingly installed on the inner wall of the docking connector 3, the front clamping ring 2 is clamped and connected with the rear clamping ring 4, a high-voltage wire bundle plug 1 is fixedly installed in the middle of the front clamping ring 2, a docking disc 6 is fixedly installed at the bottom of the high-voltage wire bundle plug 1, the docking disc 6 is electrically connected with the high-voltage sub-bundle 7, a protruding ring matched with the graphene heating ball 9 is arranged on the inner wall of the seal ring 8, the groove 5 is provided with a protruding column matched with the graphene heating ball 9;

[0027] The connecting assembly is provided with the front clamping ring 2 fixedly connected with the high-voltage wire harness plug 1 when the high-voltage wire harness plug 1 is inserted into the docking connector 3, the inside of the docking connector 3 is provided with the rear clamping ring 4, the front clamping ring 2 is clamped with the rear clamping ring 4, only the damaged accessory needs to be replaced when the high-voltage wire harness plug 1 or the docking connector 3 is damaged, the whole accessory does not need to be replaced, the maintenance cost is reduced, the sliding sealing ring 8 is provided when the docking connector 3 is close to the docking interface 14, the protruding column arranged on the lower side of the groove 5 can abut against the graphene heating ball 9, the graphene heating ball 9 is moved to one side, the tail of the docking connector 3 contacts the head of the reset rod 10 when the high-voltage wire harness plug 1 is completely inserted into the docking connector 3, the reset rod 10 is moved to the direction of the high-voltage busbar 13, the sliding sealing ring 8 is moved upward, the protruding ring on the sealing ring 8 can abut against the graphene heating ball 9, the graphene heating ball 9 is moved to one side, the graphene heating ball 9 abuts against the groove 5 at this time, the docking connector 3 is stably connected with the docking interface 14, the first spring 11 pushes the reset rod 10 to move to the direction away from the high-voltage busbar 13 when the high-voltage wire harness plug 1 is pulled out of the docking connector 3, the reset rod 10 plays an auxiliary pulling-out role, the connecting assembly can quickly connect the docking interface 14 and the docking connector 3, the effective O-shaped ring sealing mechanism is adopted, the cutting and melting assembly can be dustproof and waterproof, the LED lamp 12 is electrically connected with each high-voltage branch wire 7 when the docking connector 3 is connected with the docking interface 14, the corresponding LED lamp 12 will not be bright when the high-voltage branch wire 7 is damaged, the fault information can be quickly positioned, and the high-voltage branch wire 7 is repaired and replaced.

[0028] Those skilled in the art will understand that the above discussion of any embodiment is merely exemplary and is not intended to suggest the scope (including the claims) of the present application is limited to these examples; under the concept of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0029] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A cable junction protection structure, characterized by, Include: High-voltage bus (13), the inside of the high-voltage bus (13) is provided with several high-voltage branch (7), the top surface of the high-voltage bus (13) is fixedly installed with the docking interface (14), the top surface of the docking interface (14) is provided with the limiting groove (22), the upper side of the docking interface (14) is provided with the docking connector (3), the inside of the docking connector (3) is provided with the high-voltage branch (7); The connecting assembly is arranged above the high-voltage bus (13), and the connecting assembly is used for connecting the docking interface (14) and the docking connector (3), the high-voltage branch (7) in the high-voltage bus (13) is electrically connected with the high-voltage branch (7) in the docking interface (14); The cutting and melting assembly is arranged in the limiting groove (22), and the cutting and melting assembly is used for cutting the high-voltage branch (7) in the docking connector (3) and connecting the high-voltage branch (7) in the docking connector (3) with the high-voltage branch (7) in the docking interface (14).

2. A cable junction protection structure according to claim 1, wherein The connecting assembly includes a plurality of LED lamps (12) fixedly installed in the middle of the docking interface (14), a plurality of the LED lamps (12) are electrically connected with a plurality of the high-voltage branch (7) respectively, the middle of the docking interface (14) is fixedly installed with the first spring (11), the top of the first spring (11) is fixedly installed with the reset rod (10), the outer wall of the docking interface (14) is slidably installed with the sealing ring (8), the third spring (21) is arranged between the outer wall of the sealing ring (8) and the outer wall of the limiting groove (22), the outer wall of the docking connector (3) is provided with the groove (5), the top of the docking connector (3) is provided with the rear clamping ring (4), the inner wall of the docking connector (3) is slidably installed with the front clamping ring (2), the front clamping ring (2) is connected with the rear clamping ring (4) in clamping connection, the middle of the front clamping ring (2) is fixedly installed with the high-voltage wire harness plug (1), the bottom of the high-voltage wire harness plug (1) is fixedly installed with the docking disc (6), and the docking disc (6) is electrically connected with the high-voltage branch (7).

3. A cable junction protection structure according to claim 2, wherein The cutting and melting assembly includes a plurality of graphene heating balls (9) arranged in the limiting groove (22), the bottom surface of the limiting groove (22) is fixedly installed with the connecting column (16), the inner wall of the connecting column (16) is fixedly installed with the bearing (17), the inner wall of the connecting column (16) is fixedly installed with the second spring (15), the other end of the second spring (15) is fixedly installed with the blade (18), the bearing (17) is rotatably connected with the blade (18), and the bottom of the connecting column (16) is fixedly installed with the branch wire connecting rod (20).

4. A cable junction protection structure according to claim 3, wherein The wire harness connecting rod (20) is electrically connected with a plurality of high-voltage wire harnesses (7) arranged in the docking interface (14), the insulation layer of the surface of the high-voltage wire harness (7) in the wire harness connecting rod (20) is stripped to expose copper wires, and a hot melt block (19) is fixedly installed on the top surface of the wire harness connecting rod (20).

5. A cable junction protection structure according to claim 4, wherein The inner wall of the sealing ring (8) is provided with a protruding ring matched with the graphene heating ball (9).

6. A cable junction protection structure according to claim 4, wherein The groove (5) is provided with a protruding column matched with the graphene heating ball (9).

7. A cable junction protection structure according to claim 4, wherein The connecting column (16) is provided with an opening matched with the graphene heating ball (9).

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