CN217788034U

CN217788034U - New energy battery detects module

Info

Publication number: CN217788034U
Application number: CN202221237708.5U
Authority: CN
Inventors: 洪新江; 卢兵; 张颖
Original assignee: Zhejiang Xinfuer Electronics Co ltd
Current assignee: Zhejiang Xinfuer Electronics Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-11-11
Anticipated expiration: 2032-05-21

Abstract

The utility model discloses a new energy battery detects module, include mounting substrate and adorn the group on mounting substrate, the group includes aluminium row and FFC winding displacement, and the FFC winding displacement includes the insulating layer and lays at the intraformational conductor of insulating layer, and the conductor has the first electrical connection end and the second electrical connection end that stretch out the insulating layer both ends respectively, and this group still includes the metal preforming, and the metal preforming will first electrical connection end crimping in aluminium row surface and three spot welding together. The utility model provides a new energy battery detects module's structural design is reasonable, and during the production adds man-hour, first connect electric end, metal preforming and aluminum sheet can the spot welding directly be fixed together, reduces original twice spot welding process into one to the special tool of reducible spot welding and equipment use amount, thereby processing technology is more simple and convenient, and manufacturing cost is also lower, and does benefit to and improves production efficiency.

Description

New energy battery detects module

Technical Field

The utility model relates to a new energy automobile battery technical field, concretely relates to new energy automobile battery detects module.

Background

With the popularization of new energy automobiles, the new energy automobiles adopting the power batteries as power sources gradually replace the existing fuel oil automobiles. The power battery is used as the core of the new energy automobile energy system, the battery management system must detect various parameters of the power battery, such as voltage, temperature and the like, and the battery management system is connected with the power battery through the detection module to acquire important parameter data of the battery. The wire set adopted in the existing new energy automobile battery detection module comprises an aluminum bar, a nickel sheet and an FFC (flexible flat cable), wherein the tail end of the FFC is provided with an electric connection end, and the nickel sheet is fixed on the electric connection end in a spot welding manner and then fixed on the aluminum bar in a spot welding manner, so that the FFC and the aluminum bar are electrically connected. The problems of the prior art are as follows: two spot welding processes (respectively welding a nickel sheet and an electric connection end and welding the nickel sheet and an aluminum sheet) are required during production, and the two welding processes need to depend on matched tools and equipment such as a special jig, so that the processing technology is relatively complex, and the manufacturing cost is relatively high.

SUMMERY OF THE UTILITY MODEL

To pointing out not enough in the background art, the utility model aims at providing a new forms of energy battery that structure is optimized more detects module, its manufacture craft is reasonable simplification more, and the manufacturing cost can effectively reduce.

Realize the utility model discloses the technical scheme of purpose is:

the utility model provides a new energy battery detects module, includes mounting substrate and adorns the group on mounting substrate, the group includes aluminium row and FFC winding displacement, the FFC winding displacement includes the insulating layer and lays the conductor in the insulating layer, the conductor has the first electrical connection end and the second electrical connection end that stretch out respectively the insulating layer both ends, this group still includes the metal preforming, the metal preforming with first electrical connection end crimping in aluminium row surface and the spot welding of three together.

In the technical scheme, the metal pressing sheet is an aluminum sheet, a copper sheet, a nickel sheet or a stainless steel sheet.

In the technical scheme, the aluminum row and the metal pressing sheet are provided with observation through holes at positions corresponding to the tail ends of the first electric connection ends.

In the technical scheme, the number of the welding spots for spot welding is three and the welding spots are distributed in a triangular manner.

In the above technical scheme, the connector comprises a connector base and conductive terminals, the connector base is provided with a plurality of terminal jacks, each conductive terminal is correspondingly positioned in the terminal jack, and the tail end of each conductive terminal is provided with a wiring part which is connected with the second power connection end.

Among the above-mentioned technical scheme, the wire casing has in the wiring portion, wire casing both sides upper portion is equipped with a plurality of bellied crimping teeth that make progress along its length direction interval, and the crimping tooth of wire casing both sides staggers each other, and the crimping tooth upper end of wire casing afterbody both sides is formed with the closed angle at least, the crimping tooth of the anterior both sides of wire casing is bent and is compressed tightly the second electrical connection end at the wire casing, the crimping tooth of wire casing afterbody both sides is bent after piercing the insulating layer and is compressed tightly on the insulating layer.

In the technical scheme, the rear end of each terminal jack is provided with an opening, the conductive terminal is inserted into the terminal jack through the opening, the rear end of the connector base is connected with a limiting seat through a buckle structure, and the limiting seat is provided with a stopping part which extends into the terminal jack from the opening and abuts against the conductive terminal.

In the technical scheme, a plurality of convex points protruding upwards are arranged on the bottom wall in the wire slot at intervals along the length direction of the bottom wall.

In the technical scheme, sharp corners are formed at the upper ends of all the crimping teeth.

In the above technical solution, the conductor has an overcurrent protection portion with a cross-sectional area smaller than that of the rest of the conductor.

The utility model discloses has positive effect: new energy battery detection module adopts the utility model provides a structure, add man-hour in production, can take the first electrical connection end of FFC winding displacement tip on the aluminium is arranged, it covers first electrical connection end to fix a position the metal preforming on the aluminium is arranged again, then directly arrange the aluminium through the spot welding mode, first electrical connection end and metal preforming spot welding are together fixed, under the prerequisite that does not reduce the electric connection quality, it is one to reduce original twice spot welding process, and reducible spot welding special tool and equipment usage, thereby processing technology is more simple and convenient, manufacturing cost is also lower, and do benefit to and improve production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a front view of a new energy battery detection module according to the present invention;

fig. 2 is a partial view of the new energy battery detection module of the present invention;

FIG. 3 is an exploded view of the middle aluminum row, FFC row and metal sheet of the present invention;

fig. 4 is a front view of the conductive terminal of the present invention;

fig. 5 is a schematic perspective view of the conductive terminal shown in fig. 4;

fig. 6 is a partial schematic view of the FFC bus bar of the present invention connected to a conductive terminal;

FIG. 7 is an enlarged partial view taken at A in FIG. 6;

fig. 8 is a schematic view of a partial front direction of the FFC cable of the present invention;

fig. 9 is a schematic view of a partial forward direction of the wire set according to the present invention;

figure 10 is a cross-sectional view of the cord set of figure 9 taken along line B-B.

The reference symbols shown in the figures are: 1-a mounting substrate; 2-aluminum row; 3-FFC flat cable; 31-an insulating layer; 32-a conductor; 33-a first electrical connection end; 34-a second electrical connection end; 35-an overcurrent protection part; 4-metal tabletting; 5-viewing through holes; 6-welding spots; 7-an electrical connector; 71-a connector base; 711-fastening the table; 72-a conductive terminal; 73-terminal insertion hole; 74-wiring portion; 741-a wire slot; 742-crimping teeth; 75-a limiting seat; 751-a stop; 752-elastic clasp; 76-bump.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In this embodiment, as shown in fig. 1 to 3, the new energy battery detection module includes a mounting substrate 1 and a wire set mounted on the mounting substrate 1, the wire set includes an aluminum bar 2, an FFC bar 3 and a metal pressing sheet 4, the FFC bar 3 includes an insulating layer 31 and a conductor 32 arranged in the insulating layer 31, the conductor 32 has a first electrical connection end 33 and a second electrical connection end 34 respectively extending out of two ends of the insulating layer 31, and the metal pressing sheet 4 presses the first electrical connection end 33 to the surface of the aluminum bar 2 and spot-welds the first electrical connection end 33 to the surface of the aluminum bar 2; by adopting the structure in the embodiment, when the FFC flat cable is produced and processed, the first electric connection end 33 at the end part of the FFC flat cable can be lapped on the aluminum bar 2, the metal pressing sheet 4 is positioned on the aluminum bar 2 to cover the first electric connection end 33, then the aluminum bar 2, the first electric connection end 33 and the metal pressing sheet 4 are directly fixed together in a spot welding manner, the two original spot welding procedures are reduced into one spot welding procedure on the premise of not reducing the quality of electric connection, and the using amount of special spot welding jigs and equipment can be reduced, so that the processing technology is simpler and more convenient, the manufacturing cost is lower, and the production efficiency is favorably improved.

The metal pressing sheet 4 in this embodiment may be an aluminum sheet, a copper sheet, a nickel sheet or a stainless steel sheet.

Further, the position that corresponds with first electrical terminal 33 end on aluminium row 2 and the metal preforming 4 is equipped with observation through-hole 5, is convenient for first electrical terminal 33 to detect the location through CCD when carrying out automatic spot welding through setting up this observation hole 5 to guarantee the reliability of spot welding connection.

In this embodiment, the number of the welding spots 6 for spot welding is three and the welding spots are distributed in a triangular manner to ensure the reliability of spot welding connection, and in this embodiment, the metal pressing sheet 4, the first electric connection end 33 and the aluminum bar 2 can be directly subjected to pulse welding.

As shown in fig. 1, 9 and 10, the wire set in this embodiment further includes an electrical connector 7, the electrical connector 7 may be connected to an opposite plug connector in a plug-in manner to connect the wire set to a circuit, the electrical connector 7 includes a connector base 71 and conductive terminals 72, the connector base 71 is provided with a plurality of terminal insertion holes 73, each conductive terminal 72 is correspondingly positioned in the terminal insertion hole 73, a wire connection portion 74 is provided at a tail end of each conductive terminal 72, and the wire connection portion 74 is connected to the second electrical connection end 34.

As shown in fig. 4 to 7, in the present embodiment, the wire connecting portion 74 has a wire groove 741, a plurality of pressing teeth 742 protruding upward are disposed at intervals on the upper portion of both sides of the wire groove 741 along the length direction of the wire groove 741, the pressing teeth 742 on both sides of the wire groove 741 are arranged to be staggered with each other, so as to prevent the pressing teeth 742 on both sides from interfering with each other after being bent, further, a sharp corner is formed at the upper end of the pressing tooth 742 on both sides of the tail portion of the wire groove 741, the pressing teeth 742 on both sides of the front portion of the wire groove 741 are bent to press the second electric connection end 34 in the wire groove 741, and the pressing teeth 742 on both sides of the tail portion of the wire groove 741 penetrate through the insulating layer 31 and then are bent to press against the insulating layer 31, thereby effectively ensuring the effective connection between the FFC 3 and the conductive terminal 72 and ensuring the reliability of the electrical connection between the two.

As shown in fig. 9 and 10, in order to facilitate assembly of the electrical connector 7, in this embodiment, an opening is provided at a rear end of each terminal insertion hole 73, the conductive terminal 72 is inserted into the terminal insertion hole 73 through the opening, a limiting seat 75 is connected to a rear end of the connector base 71 through a snap structure, and a stopping portion 751 extending into the terminal insertion hole 73 from the opening and abutting against the conductive terminal 72 is provided on the limiting seat 75; when the electrical connector 7 is assembled, the conductive terminals 72 are inserted into the terminal insertion holes 73 through the openings, then the rear end of the connector base 71 is provided with the limiting seats 75, and the conductive terminals 72 are inserted into the terminal insertion holes through the stopping parts 751 on the limiting seats 75 and are abutted against the conductive terminals 72 so as to prevent the conductive terminals 72 from loosening; as an embodiment, the snap structure may adopt such a structure: the limiting seat 75 is provided with an elastic buckle 752, the connector base 71 is provided with a buckle platform 711, and the limiting seat 75 can be quickly and effectively positioned and installed on the connector base 71 by buckling the elastic buckle 752 and the buckle platform 711.

Still further, a plurality of convex points 76 protruding upwards are arranged on the bottom wall in the slot 741 at intervals along the length direction of the slot, the convex points 76 can be formed in a stamping mode, the convex points 76 can support the line body part in the slot 741 at intervals, and the line body part is in a wavy line shape after being crimped by the crimping teeth 742, so that the reliability of crimping connection is ensured.

In this embodiment, all the upper ends of the pressure contact teeth 742 are formed with sharp corners (preferably triangular corners), so that the number of the pressure contact teeth 742 penetrating the insulation layer can be selected according to actual conditions during actual wiring, so as to ensure the reliability of the connection between the conductive terminal 72 and the FFC bus.

As a further possible implementation, referring to fig. 8, the conductor 32 has an overcurrent protection portion 35 with a cross-sectional area smaller than that of the rest of the conductor 32, and by directly punching out a part of material at a corresponding portion of the conductor 32 to obtain the overcurrent protection portion 35, the overcurrent protection portion 35 can replace a fuse in the original line, and the overcurrent protection portion 35 can be fused when the current in the conductor 32 is overloaded, thereby achieving the purpose of protecting the circuit.

Finally, it should be noted that: the above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. The utility model provides a new energy battery detects module, includes mounting substrate (1) and adorns the group on mounting substrate (1), the group includes aluminium row (2) and FFC winding displacement (3), FFC winding displacement (3) include insulating layer (31) and lay conductor (32) in insulating layer (31), conductor (32) have stretch out respectively first electrical connection end (33) and second electrical connection end (34) at insulating layer (31) both ends, its characterized in that, this group still includes metal preforming (4), metal preforming (4) are with first electrical connection end (33) crimping in aluminium row (2) surface and the welding of three spot welding together.

2. The new energy battery detection module according to claim 1, wherein the metal pressing sheet (4) is an aluminum sheet, a copper sheet, a nickel sheet or a stainless steel sheet.

3. The new energy battery detection module as claimed in claim 1, wherein the aluminum bars (2) and the metal pressing plates (4) are provided with observation through holes (5) at positions corresponding to the ends of the first electric terminals (33).

4. The new energy battery detection module according to claim 1, wherein the number of the spot welding points (6) is three and the three points are distributed in a triangular manner.

5. The new energy battery detection module group according to claim 1, further comprising an electrical connector (7), wherein the electrical connector (7) comprises a connector base (71) and conductive terminals (72), a plurality of terminal insertion holes (73) are formed in the connector base (71), each conductive terminal (72) is correspondingly positioned in each terminal insertion hole (73), a wiring portion (74) is arranged at the tail end of each conductive terminal (72), and the wiring portion (74) is connected with the second electric connection end (34).

6. The new energy battery detection module according to claim 5, wherein the wiring portion (74) is provided with a wire groove (741), the upper portions of two sides of the wire groove (741) are provided with a plurality of upward-protruding crimping teeth (742) at intervals along the length direction of the wire groove, the crimping teeth (742) on two sides of the wire groove (741) are staggered with each other, at least the upper ends of the crimping teeth (742) on two sides of the tail portion of the wire groove (741) are provided with sharp corners, the crimping teeth (742) on two sides of the front portion of the wire groove (741) are bent to press the second electric connection terminal (34) in the wire groove (741), and the crimping teeth (742) on two sides of the tail portion of the wire groove (741) penetrate through the insulating layer (31) and are bent to press on the insulating layer (31).

7. The new energy battery detection module set according to claim 6, wherein an opening is provided at the rear end of each terminal insertion hole (73), the conductive terminal (72) is inserted into the terminal insertion hole (73) through the opening, a limit seat (75) is connected to the rear end of the connector base (71) through a snap-fit structure, and a stop portion (751) extending into the terminal insertion hole (73) from the opening and abutting against the conductive terminal (72) is provided on the limit seat (75).

8. The new energy battery detection module according to claim 6, wherein a plurality of convex points (76) protruding upwards are arranged on the inner bottom wall of the slot (741) at intervals along the length direction of the slot.

9. The new energy battery detection module as claimed in claim 6, wherein the upper ends of all the crimping teeth (742) are formed with sharp corners.

10. The new energy battery detection module according to any one of claims 1 to 9, wherein the conductor (32) is provided with an overcurrent protection part (35) having a cross-sectional area smaller than that of the rest of the conductor (32).