CN211456163U

CN211456163U - 60A one-to-two junction box wire harness

Info

Publication number: CN211456163U
Application number: CN201922494266.7U
Authority: CN
Inventors: 何嘉伟; 王利甫; 孟庆柱
Original assignee: Changzhou Nord Electronic Co ltd
Current assignee: Changzhou Nord Electronic Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a new forms of energy pencil technical field specifically is a 60A one minute two terminal box pencil suitable for electric motor car, including last plug, the terminal box socket, total multicore line, first minute multicore line, second minute multicore line, first lower plug and second lower plug, it is connected with the terminal box socket to go up the plug, the terminal box socket is connected with total multicore line, the terminal box socket is connected with the terminal box, the lower part of terminal box socket is the cavity of terminal box, total multicore line and first minute multicore line and second minute multicore line, realize that Y type electricity is connected, the tie point is all fixed to be moulded plastics in the cavity of terminal box, total multicore line is connected with the terminal box socket, the lower tip and the first lower plug connection of first minute multicore line, the lower tip and the second lower plug connection of second minute multicore line. The utility model has waterproof and beautiful contact; the voltage of each unit of the battery pack is the same, so that the problem of voltage unbalance during charging is avoided, and the service life of the battery is prolonged.

Description

60A one-to-two junction box wire harness

Technical Field

The utility model relates to a new forms of energy pencil technical field specifically is a 60A one minute two terminal box pencil suitable for electric motor car.

Background

The energy of the electric vehicle comes from the battery pack, and the use of the battery pack directly influences the endurance mileage and power of the whole vehicle. The performance of the electric vehicle selected by different customers is also different, and the electric vehicle attracts more customers by being capable of selectively assembling battery packs. At present, the current transmission wire harness of the electric vehicle is in one-way transmission, and the preparation for additionally installing a battery pack at the later stage cannot be made. The conventional modified current transmission wire harness is only used for simply connecting the wires in the wire harness with two-purpose adhesive tapes or heat shrink tubes for protection, although the protection mode is low in cost, the wire harness is not waterproof and easy to creep, accidents are easily caused, in the charging process, the partial pressure of a battery is not uniform, and the voltage of the battery after being fully charged is inconsistent, so that the service life of the battery is shortened. Moreover, the current electric vehicle is easy to generate electric leakage in the using process, and the electric vehicle can generate toxic dense smoke when being on fire, thereby seriously harming the life and property safety of people. The main reason is that the connection line contacts of the parallel battery packs are not properly protected, which causes the danger of electric leakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 60A one-in-two terminal box pencil suitable for electric motor car, during transmission current, go up the plug and link to each other with the terminal box socket, will connect two parallelly connected two tunnel of becoming with the electric wire that the terminal box socket links to each other through the terminal box, the electric wire of drawing forth after the switching satisfies 60A electric current through-load with plug connection under Y type connected mode and first plug and the second.

In order to achieve the above object, the utility model provides a following technical scheme: A60A one-in-two junction box wire harness is characterized by comprising an upper plug, a junction box socket, a total multi-core wire, a first one-in-two core wire, a second one-in-two core wire, a first lower plug and a second lower plug, wherein the upper plug is connected with the junction box socket, the lower end part of the junction box socket is electrically connected with the total multi-core wire, the junction box socket is connected with the upper end part of the junction box, the junction box and the junction box socket are integrally formed by injection molding, the lower part of the junction box socket is a hollow cavity of the junction box, the lower end part of a conductor of the total multi-core wire is electrically connected with the upper end part of the conductor of the first one-in-two core wire and the upper end part of the conductor of the second one-in-two core wire respectively to realize Y-shaped electrical connection, connection points of the total multi-core wire, the first one-in, the lower end part of the first division multi-core wire is electrically connected with the first lower plug, and the lower end part of the second division multi-core wire is electrically connected with the second lower plug.

The terminal box socket comprises a socket mounting plate, mounting holes, positive and negative terminals and signal socket terminals, wherein the mounting holes are formed in the left end and the right end of the socket mounting plate, the socket mounting plate is fixed on the terminal box through the cooperation of self-tapping screws and the mounting holes, and the upper end portions of the conductors of the total multi-core wires are connected with the signal socket terminals and the positive and negative terminals in a compression joint mode.

Furthermore, the total multi-core wire is in compression joint with the first sub multi-core wire and the second sub multi-core wire, the connecting point adopts a connecting terminal, the connecting terminal is treated by a heat shrink tube, and the outer part of the connecting terminal is injection-molded.

Furthermore, the upper part of the junction box is provided with an anti-tripping buckle for preventing the upper plug from falling off, the anti-tripping buckle is movably connected with the outer surface of the junction box, the anti-tripping buckle does arc motion along the junction box, and the upper plug is fixed with the socket of the junction box when the anti-tripping buckle is parallel to the junction box.

Furthermore, the joint of the lower end part of the junction box, the first branch multi-core wire and the second branch multi-core wire is matched with a silica gel wire through rubber to realize a waterproof function, and the joint of the upper plug and the socket of the junction box is matched with a waterproof flange rubber to realize the waterproof function.

Further, the waterproof grade is IP 67.

Furthermore, the total multi-core wire, the first branch multi-core wire and the second branch multi-core wire have the same structure and respectively comprise a conductor, a wire insulator wrapped on the conductor, a coating layer and an outer cover from inside to outside in sequence, the wire insulator is made of silicon rubber, the coating layer is made of non-woven fabrics, and the outer cover is made of silicon rubber. The outer quilt is made of silicon rubber, has the characteristics of temperature resistance and voltage resistance, and the non-woven fabric can effectively wrap the insulator and the conductor of the electric wire and prevent the electric wire from loosing the core. The wire insulator is silicon rubber, so that the requirement of large-current transmission can be better met.

Furthermore, the upper plug, the first lower plug and the second lower plug are all provided with handles which are convenient for pulling out the plugs.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a 60A one in two terminal box pencil suitable for electric motor car can make things convenient for the follow-up group battery of installing additional, and when the electric motor car charges, for parallelly connected charging means, owing to adopt parallelly connected charging means, the voltage that each unit of group battery divides is the same, the unbalanced problem of voltage when avoiding charging to the life of battery has been prolonged.

The utility model discloses changing traditional one-way transmission pencil into one minute two Y type transmission pencil, contact department moulds plastics in the terminal box, has both played the effect of protection contact and pleasing to the eye succinct, and terminal box socket department is equipped with anti-disengaging, and when the upper plug is connected with the terminal box socket, detain the anticreep and remove to terminal box parallel direction, entangle the upper plug, prevent that the upper plug pine from taking off, and each plug all disposes the handle of conveniently extracting and makes to charge more convenient.

When current is transmitted, the upper plug of the output plug is connected with the junction box socket, a first electric wire connected with the junction box socket is divided into two parts and connected into two paths through the junction box, the electric wire led out after switching is connected with the first lower plug and the second lower plug in a Y-shaped connection mode, the junction box socket and the upper socket are in IP67 waterproof grade waterproof connection, the junction box socket is connected with the junction box through a self-tapping screw matched mounting hole, and the middle part of the junction box socket is in waterproof connection through waterproof flange rubber. The connection point in the junction box can meet the current carrying requirement of 60A by adopting compression joint. The tail part of the junction box is waterproof IP67 through rubber and silica gel wires, and the junction box is overall temperature-resistant, attractive, integrated and low in cost.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the junction box socket of the present invention;

fig. 3 is a schematic structural diagram of the upper plug of the present invention;

fig. 4 is a schematic cross-sectional view of the total multicore wire, the first division multicore wire, and the second division multicore wire of the present invention.

In the figure: 1. an upper plug; 2. a junction box receptacle; 3. a junction box; 4a, a first split multicore wire; 4b, a second split multicore wire; 5. a first lower plug; 6. a second lower plug; 7. preventing tripping; 8. a handle;

2a, a socket mounting plate; 2c, mounting holes; 2d, positive and negative terminals; 2b, signal socket terminals;

41. a conductor; 42. an electric wire insulator; 43. a coating layer; 44. and (4) an outer quilt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: A60A one-to-two junction box wire harness comprises an upper plug 1, a junction box 3, a junction box socket 2, a total multi-core wire (not shown in the figure), a first one-to-two multi-core wire 4a, a second one-to-two multi-core wire 4b, a first lower plug 5 and a second lower plug 6, wherein the upper plug 1 is connected with the junction box socket 2, the lower end part of the junction box socket 2 is electrically connected with the total multi-core wire, the junction box socket 2 is connected with the upper end part of the junction box 3, the junction box 3 and the junction box socket 2 are integrally formed in an injection molding mode, the lower part of the junction box socket 2 is a hollow cavity of the junction box 3, the lower end part of a conductor of the total multi-core wire is respectively and electrically connected with the upper end part of a conductor of the first one-to-multiple-core wire 4a and the upper end part of a conductor of the second one-to-, the upper end of the conductor of the main multi-core wire is connected to the junction box socket 2, the lower end of the first sub multi-core wire 4a is electrically connected to the first lower plug 5, and the lower end of the second sub multi-core wire 4b is electrically connected to the second lower plug 6. The junction box socket 2 comprises a socket mounting plate 2a, mounting holes 2c, positive and negative terminals 2d and a signal socket terminal 2b, the mounting holes 2c are formed in the left end and the right end of the socket mounting plate 2a, the socket mounting plate 2a is fixed on the junction box 3 through self-tapping screws matched with the mounting holes 2c, and the upper end portions of conductors of the total multi-core wires are connected with the signal socket terminal 2b and the positive and negative terminals 2d in a compression joint mode. The total multi-core wire is in line pressure joint with the first sub multi-core wire 4a and the second sub multi-core wire 4b, the connecting point adopts a connecting terminal, the connecting terminal is treated by a heat shrink tube, and the outer part is injected with a junction box 3. Junction box 3 upper portion is provided with the anticreep of buckling 7 that is used for preventing to go up plug 1 and drops, and anticreep is buckled 7 and junction box 3's surface swing joint, and anticreep is buckled 7 and is made arc motion along junction box 3, when anticreep detains 7 and junction box 3 parallel, will go up plug 1 and fixed with junction box socket 2. The waterproof function is realized through rubber and silica gel line cooperation in terminal box 3 lower tip and first branch multicore line 4a, the second branch multicore line 4b junction, and waterproof function is realized through waterproof flange rubber in the upper plug 1 and the junction box socket 2 junction. The water resistance rating is IP 67. The total multi-core wire, the first sub multi-core wire 4a and the second sub multi-core wire 4b have the same structure, and respectively comprise a conductor 41, a wire insulator 42 wrapped on the conductor 41, a coating layer 43 and an outer cover 44 from inside to outside in sequence, wherein the wire insulator 42 is made of silicon rubber, the coating layer 43 is made of non-woven fabric, and the outer cover 44 is made of silicon rubber. The upper plug 1, the first lower plug 5 and the second lower plug 6 are all provided with handles 8 which facilitate the plug to be pulled out.

The working principle is as follows:

when the 60A-in-two junction box wiring harness is used, the 60A-in-two junction box wiring harness is installed on an electric vehicle and is connected with an upper plug 1 through an input end, the upper plug 1 is connected with a junction box socket 2, and an anti-tripping device 7 is turned upwards to fix the upper plug 1. The first lower plug 5 and the second lower plug 6 are connected with the battery pack, when only the first lower plug 5 is connected with the battery pack, when the current is switched on, the current passes through the upper plug 1 to the first lower socket 5, the junction box socket 2 is transmitted to the first lower plug 5 through the signal socket terminal 2b and the positive and negative terminals 2d through the conductor 41, the first lower plug 5 is connected with the battery pack, and the charging plug and the battery are connected in series.

When the first lower plug 5 and the second lower plug 6 are respectively connected with different battery packs, when current is switched on, the current passes through the upper plug 1 to the junction box socket 2, the junction box socket 2 is transmitted to a multi-core wire contact through the signal socket terminal 2b and the positive and negative terminals 2d through the conductor 41, the contact divides the current into two paths respectively and transmits the two paths of current to the first lower plug 5 and the second lower plug 6, the two paths of current are connected with different battery packs through the first lower plug 5 and the second lower plug 6, and the charging plug and the two batteries are connected in parallel.

Due to the two battery pack connecting plugs, the user can be provided with the option of installing the battery pack so as to increase the cruising ability.

Because of adopting the parallel charging mode, the voltage of each battery is the same, and the phenomenon of unbalanced charging is avoided.

Because the multicore wire contact adopts integrative terminal box of moulding plastics, the waterproof nature of contact rises to IP67 grade, and the pencil is more pleasing to the eye, makes things convenient for the customer to arrange in order the installation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A60A one-to-two junction box wire harness is characterized by comprising an upper plug, a junction box socket, a total multi-core wire, a first one-to-two core wire, a second one-to-two core wire, a first lower plug and a second lower plug, wherein the upper plug is connected with the junction box socket, the lower end of the junction box socket is electrically connected with the upper end of the total multi-core wire, the junction box socket is connected with the upper end of the junction box, the junction box and the junction box socket are integrally formed by injection molding, the lower part of the junction box socket is a hollow cavity of the junction box, the lower end of a conductor of the total multi-core wire is electrically connected with the upper end of a conductor of the first one-to-two core wire and the upper end of a conductor of the second one-to-two core wire respectively to realize Y-shaped electrical connection, and connection points of, the lower end part of the first division multi-core wire is electrically connected with the first lower plug, and the lower end part of the second division multi-core wire is electrically connected with the second lower plug.

2. The 60A-in-two terminal box wire harness according to claim 1, wherein the terminal box socket includes a socket mounting plate, mounting holes, positive and negative terminals, and signal socket terminals, the mounting holes are provided at left and right ends of the socket mounting plate, the socket mounting plate is fixed to the terminal box by a self-tapping screw engaged with the mounting holes, and upper ends of the conductors of the total multi-core wire are connected to the signal socket terminals and the positive and negative terminals by crimping.

3. The 60A-in-two terminal block wire harness according to claim 1, wherein the total multi-core wire is press-bonded to the first sub-multi-core wire and the second sub-multi-core wire, the joint is a terminal, the terminal is treated with a heat shrink tube, and the terminal block is externally injection-molded.

4. The wiring harness of claim 1, wherein the junction box is provided at an upper portion thereof with an anti-separation buckle for preventing the upper plug from being separated from the junction box, the anti-separation buckle being movably connected to an outer surface of the junction box, the anti-separation buckle moving along the junction box in an arc to fix the upper plug to the receptacle of the junction box when the anti-separation buckle is parallel to the junction box.

5. The 60A-in-two junction box wire harness according to claim 1, wherein a waterproof function is realized at a joint of the lower end of the junction box and the first and second split multicore wires through rubber and silica gel wires, and a waterproof function is realized at a joint of the upper plug and the junction box socket through waterproof flange rubber.

6. The 60A-in-two terminal block harness of claim 5 wherein the water resistance rating is IP 67.

7. The 60A-in-two junction box wire harness according to claim 1, wherein the total multi-core wire, the first sub multi-core wire and the second sub multi-core wire have the same structure and respectively comprise a conductor, a wire insulator wrapped on the conductor, a coating layer and an outer cover from inside to outside in sequence, the wire insulator is silicon rubber, the coating layer is non-woven fabric, and the outer cover is silicon rubber.

8. The 60A-in-two terminal block harness of claim 1, wherein the upper plug, the first lower plug, and the second lower plug are each provided with a pull handle for facilitating the removal of the plugs.