CN212062699U

CN212062699U - New forms of energy electric automobile deconcentrator

Info

Publication number: CN212062699U
Application number: CN202020856060.4U
Authority: CN
Inventors: 陈淼; 奚邦斌; 王沛; 林海; 张�浩
Original assignee: Yueqing Bada Optical Electrical Technology Co ltd
Current assignee: Yueqing Bada Optical Electrical Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-01
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to the field of automotive technology, concretely relates to new forms of energy electric automobile deconcentrator, this deconcentrator accomplishes whole protection level higher through the mode that adopts the rubber coating to mould plastics, and protection level reaches IP67, and makes whole more withstand voltage and insulating. The deconcentrator adopts the electric connection part of the ultrasonic welding wire harness assembly, so that the welding spot is firmer and more reliable, meanwhile, the contact resistance of the wire harness is smaller, and the loss of the wire harness is reduced. The deconcentrator also uses a double-wall heat-shrinkable tube to replace the winding mode of the existing insulating adhesive tape to isolate welding spots, so that the exposed part of the wire harness and the shielding system are positioned outside a safe electrical gap, the safety characteristic is ensured, the operation is simple, and the protective performance of the electrical connection part of the wire harness assembly is improved.

Description

New forms of energy electric automobile deconcentrator

Technical Field

The utility model relates to the technical field of automobiles, concretely relates to new forms of energy electric automobile deconcentrator.

Background

The mutual connection of pencil among the deconcentrator of electric automobile among the prior art is for connecting through connecting the nail, utilizes the sticky tape winding tie point between the pencil after connecting, and such structural shortcoming lies in: the manual winding protection performance at the interface is not enough, and the leakage risk is easy to occur; the failure of the shielding function of the wire harness is easily caused; poor reliability and durability, and high failure rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough among the prior art, and provide a new forms of energy electric automobile deconcentrator reliable, firm and that protective properties is high.

The purpose of the utility model is realized through the following technical scheme:

the new energy electric vehicle deconcentrator is characterized by comprising at least one group of wiring harness assemblies, an isolation layer assembly coated outside the wiring harness assemblies and a plastic shell coated outside the isolation layer assembly, wherein the plastic shell is formed by encapsulation and injection molding, and the electric connection parts of the wiring harness assemblies are welded together through ultrasonic waves; the double-wall heat-shrinkable tube layer is coated outside the welding connection point of the wire harness assembly.

Furthermore, the wire harness assembly comprises a plurality of groups, each group of wire harness assembly comprises a first wire harness, a second wire harness and a third wire harness, and one end of each of the first wire harness and the second wire harness is electrically connected with one end of the third wire harness through ultrasonic welding.

Furthermore, the isolation layer assembly comprises a shielding wire layer and an aluminum foil layer, the shielding wire layer is wrapped outside the double-wall heat-shrinkable tube layer, and the aluminum foil layer is wrapped outside the shielding wire layer.

Furthermore, the welding connection point of the wire harness assembly is positioned at a position close to the middle parts of the isolation layer assembly and the plastic shell.

The utility model has the advantages that:

1. the whole protection grade is higher by adopting a rubber coating injection molding mode, the protection grade reaches IP67, and the whole is more pressure-resistant and insulating.

2. The electric connection part of the wiring harness assembly is welded by the ultrasonic waves, so that the welding spot is firmer and more reliable, the contact resistance of the wiring harness is smaller, and the loss of the wiring harness is reduced.

3. The double-wall heat-shrinkable tube is used for replacing the existing winding mode of the insulating adhesive tape to isolate welding spots, so that the exposed part of the wire harness and the shielding system are both positioned outside a safe electrical gap, the safety characteristic is ensured, the operation is simple, and the protective performance of the electrical connection part of the wire harness assembly is improved.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is the utility model discloses a new forms of energy electric automobile deconcentrator's cross-sectional view.

Fig. 2 is the structural schematic diagram of the new energy electric vehicle deconcentrator of the utility model.

Fig. 1 to 2 include:

the cable comprises a wire harness assembly 1, a first wire harness 11, a second wire harness 12, a third wire harness 13, a barrier layer assembly 2, a double-wall heat-shrinkable tube layer 21, a shielding wire layer 22, an aluminum foil layer 23 and a plastic shell 3.

Detailed Description

The invention will be further described with reference to the following examples.

The utility model discloses a specific implementation mode of new forms of energy electric automobile deconcentrator, as shown in fig. 1 and fig. 2, including pencil subassembly 1, the cladding isolation layer subassembly 2 outside pencil subassembly 1 and the cladding plastic shell 3 outside isolation layer subassembly 2, pencil subassembly 1 includes first pencil 11, second pencil 12 and third pencil 13, and the one end of first pencil 11, the one end of second pencil 12 all pass through ultrasonic welding with the one end of third pencil 13 and be in the same place. In the structure, the first wire harness 11, the second wire harness 12 and the third wire harness 13 are connected by ultrasonic welding, so that welding spots are firmer and more reliable, meanwhile, the contact resistance of the wire harnesses is smaller, and the loss of the wire harnesses is reduced.

The plastic shell 3 is formed by encapsulation and injection molding, the plastic shell 3 covers the isolation layer component 2, and the isolation layer component 2 covers the welding connection ends of the first wire harness 11, the second wire harness 12 and the third wire harness 13. The plastic shell 3 in this embodiment is formed by encapsulation and injection molding, and the plastic shell 3 is a PVC plastic shell, and the encapsulation and injection molding method is adopted to achieve a higher overall protection level, which reaches IP67, and to make the overall structure more pressure-resistant and insulating.

The barrier layer subassembly 2 is including inside and the double-walled pyrocondensation layer 21 of constituteing outward, shielding silk layer 22 and aluminium foil layer 23, the cladding of double-walled pyrocondensation layer 21 is outside the welded joint point of first pencil 11, second pencil 12 and third pencil 13, use double-walled pyrocondensation layer 21 to replace current insulating tape winding's mode to keep apart the solder joint, can make the exposed part of pencil all be in outside safe electric clearance with shielding silk layer 22, in order to ensure the safety characteristic, and easy operation, can effectively improve the protectiveness of the tie point of a plurality of pencil.

The shielding wire layer 22 is coated outside the double-wall heat-shrinkable tube layer 21 to play a shielding role. The aluminum foil layer 23 is coated outside the shielding wire layer 22, and the doubling function of the isolation layer assembly 2 is realized. And finally, placing the wire harness into an injection mold for encapsulation and injection molding to form a plastic shell 3, so that voltage resistance and insulation protection of the wire harness are realized.

The welding connection points of the first wire harness 11, the second wire harness 12 and the third wire harness 13 are positioned in the middle of the isolation layer component 2 and the plastic shell 3, so that the strength of the integral wire divider is improved.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The new energy electric vehicle deconcentrator is characterized by comprising at least one group of wiring harness assemblies, an isolation layer assembly coated outside the wiring harness assemblies and a plastic shell coated outside the isolation layer assembly, wherein the plastic shell is formed by encapsulation and injection molding, and the electric connection parts of the wiring harness assemblies are welded together through ultrasonic waves; the new energy electric vehicle deconcentrator further comprises a double-wall heat-shrinkable tube layer, and the double-wall heat-shrinkable tube layer is wrapped outside the welding connection point of the wire harness assembly.

2. The new energy electric automobile deconcentrator of claim 1, wherein: the wire harness assembly comprises a plurality of groups, each group of wire harness assembly comprises a first wire harness, a second wire harness and a third wire harness, and one ends of the first wire harness and the second wire harness are electrically connected with one end of the third wire harness through ultrasonic welding.

3. The new energy electric vehicle deconcentrator according to claim 1 or 2, wherein: the isolation layer assembly comprises a shielding wire layer and an aluminum foil layer, the shielding wire layer is wrapped outside the double-wall heat-shrinkable tube layer, and the aluminum foil layer is wrapped outside the shielding wire layer.

4. The new energy electric vehicle deconcentrator according to claim 1 or 2, wherein: the wire harness assembly welding connection point is located at a position close to the middle parts of the isolation layer assembly and the plastic shell.