阅读说明：本技术 一种软包锂电池探针及其组装方法 (Soft package lithium battery probe and assembling method thereof ) 是由 孙晓冬 刘仁静 徐铁山 于 2020-06-11 设计创作，主要内容包括：本发明公开了一种软包锂电池探针,包括基座、电流片、绝缘片和电压片,所述基座L型限位槽,限位槽设有L型限位凸台,限位槽在限位凸台两侧各设有一螺纹孔；所述电流片和电压片为金属片经两次弯折形成的Z型结构或半框型结构,且下端为直角弯折,上端为钝角弯折；所述电流片、绝缘片及电压片依次贴接设置在限位槽内,电流片下端及电压片下端均设有缺角,所述缺角恰好使电压片的下端安置在限位凸台一侧的限位槽内形成电压线接线端,使电流片的下端安置在限位凸台另一侧的限位槽内形成电流线接线端。本发明软包锂电池探针稳定性好,组装、维修维护方便,省时省力。(The invention discloses a soft package lithium battery probe, which comprises a base, a current sheet, an insulating sheet and a voltage sheet, wherein the base is provided with an L-shaped limiting groove, the limiting groove is provided with an L-shaped limiting boss, and the limiting groove is provided with a threaded hole at each of two sides of the limiting boss; the current sheet and the voltage sheet are of a Z-shaped structure or a half-frame structure formed by bending the metal sheet twice, the lower end of the current sheet and the lower end of the voltage sheet are bent at right angles, and the upper end of the current sheet and the upper end of the voltage sheet are bent at obtuse angles; the current sheet, the insulation sheet and the voltage sheet are sequentially attached and arranged in the limiting groove, unfilled corners are arranged at the lower end of the current sheet and the lower end of the voltage sheet, the unfilled corners just enable the lower end of the voltage sheet to be arranged in the limiting groove on one side of the limiting boss to form a voltage line wiring end, and the lower end of the current sheet is arranged in the limiting groove on the other side of the limiting boss to form a current line wiring end. The soft package lithium battery probe has the advantages of good stability, convenience in assembly, maintenance and repair, and time and labor saving.)

1. A soft package lithium battery probe comprises a base, an electric current sheet, an insulating sheet and an electric voltage sheet, and is characterized in that the front surface and the bottom surface of the base are provided with L-shaped limiting grooves which are communicated with each other, the limiting grooves penetrate through the upper surface of the base, the middle lower end and the bottom surface of the front surface of each limiting groove are provided with a connected L-shaped limiting boss, and the upper end and the bottom surface of the front surface of each limiting groove are provided with a threaded hole on each of two sides of each limiting boss; the widths of the current sheet, the insulating sheet and the voltage sheet are matched with the width of the limiting groove, the current sheet and the voltage sheet are of a Z-shaped structure or a half-frame structure formed by bending the metal sheet twice, the lower end of the current sheet and the lower end of the voltage sheet are bent at a right angle, and the upper end of the current sheet and the voltage sheet are bent at an obtuse angle; the widths of the current sheet, the insulating sheet and the voltage sheet are matched with the width of the limiting groove, the current sheet, the insulating sheet and the voltage sheet are sequentially attached and arranged in the limiting groove, unfilled corners are arranged at the lower end of the current sheet and the lower end of the voltage sheet, the unfilled corners enable the lower end of the voltage sheet to be arranged in the limiting groove on one side of the limiting boss to form a voltage wire wiring end, and enable the lower end of the current sheet to be arranged in the limiting groove on the other side of the limiting boss to form a current wire wiring end; the electric current sheet, the insulation sheet and the voltage sheet are correspondingly provided with through holes at all threaded holes of the limiting groove, the insulation sheet is correspondingly provided with through holes at two threaded holes at the upper end of the limiting groove, all the through holes are aligned with the centers of the corresponding threaded holes, the size of the through hole of the electric current sheet at the front side of the base is larger than that of the threaded hole, and the electric current sheet, the insulation sheet and the voltage sheet are in threaded connection with the base through bolts penetrating through the corresponding through holes and the threaded holes.

2. The soft-package lithium battery probe of claim 1, wherein a raised limiting post is disposed in the limiting groove, and a limiting hole is correspondingly disposed at the limiting post for the current sheet, the insulating sheet and the voltage sheet.

3. The soft-package lithium battery probe as claimed in claim 1, wherein the current sheet has a plurality of current sheets, the plurality of current sheets are sequentially bonded, gaps are respectively provided between the upper bending ends of adjacent current sheets and between the upper bending end of the current sheet and the upper bending end of the current sheet adjacent to the current sheet, and the current sheets are sequentially retracted from the upper bending end of the outermost current sheet to the upper bending end of the innermost current sheet.

4. The soft package lithium battery probe of claim 1, wherein the upper surface of the base is symmetrically provided with positioning bosses and locking holes at two sides of the limiting groove.

5. The soft package lithium battery probe of claim 1, wherein the bolts inserted into the limit grooves on the front surface of the base are hexagon socket head cap locking bolts.

6. The soft package lithium battery probe of claim 1, wherein the bolts penetrating through the limit groove on the bottom surface of the base are binding bolts, and the binding bolts are sleeved with gaskets.

7. The soft-package lithium battery probe as claimed in claim 1, wherein the back of the base is provided with a bolt avoiding groove at a position corresponding to the threaded hole on the front of the base.

8. The method for assembling the soft package lithium battery probe is characterized by comprising the following steps of:

s1, installing an electric pressing sheet: arranging a voltage sheet in a limiting groove of the base, enabling a wiring end of a voltage wire to be positioned in the limiting groove on one side of the limiting boss, and enabling a positioning column in the limiting groove to penetrate through a corresponding positioning hole;

s2, installing an insulating sheet: arranging an insulation sheet on the upper surface of the voltage sheet in the limiting groove, and enabling the positioning column in the limiting groove to penetrate through the corresponding positioning hole;

s3, mounting an electric current sheet: arranging the current sheet on the upper surface of the insulating sheet in the limiting groove of the base, enabling the current wire terminal to be positioned in the limiting groove on the other side of the limiting boss, and enabling the positioning column in the limiting groove to penetrate through the corresponding positioning hole;

s4, fixing three sheets: the locking bolt sequentially penetrates through the through holes of the current sheet, the insulation sheet and the voltage sheet to fix the current sheet, the insulation sheet and the voltage sheet with the base;

s5, fixing the probe and the mounting plate: sequentially inserting the three fixed probes into probe mounting holes of a mounting plate one by one from front to back or from back to front, enabling positioning bosses on two sides of the top surface of each base to penetrate through corresponding base positioning holes in the mounting plate, fixing two sides of each base with the mounting plate through bolts, connecting an electric current wire and a voltage wire, fixing the electric current wire and the electric current sheet through a wiring bolt, and fixing a voltage wire pressing sheet through the wiring bolt;

SX. installation of binding bolts: the voltage wire connecting bolt penetrates through the perforation of the voltage plate terminal to be in threaded connection with the base, and the current wire connecting bolt penetrates through the perforation of the current plate terminal to be in threaded connection with the base.

9. The method for assembling probes of lithium ion battery pack as claimed in claim 8, wherein in the step of SX terminal bolt installation, the connection between the voltage wire terminal bolt and the base is completed after any step of S1-S5, and the connection between the current wire terminal bolt and the base is completed after any step of S4 or S5.

10. The method for assembling the soft-package lithium battery probe according to claim 8, wherein in the step S3, when a plurality of current sheets are mounted, the current sheets are sequentially attached to each other from long to short, and the longest current sheet is placed on the bottom layer and attached to the insulation sheet.

Technical Field

The invention relates to a probe clamp, in particular to a soft package lithium battery probe and an assembling method thereof.

Background

With the increasing of the energy density of the lithium battery, the demand of the soft package battery is increasing, the current value of the soft package battery is also increasing, the soft package battery needs to be subjected to necessary processes of formation, capacity grading, OCV and DCIR in the production process, and the soft package battery probes need to be used in the processes.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a soft packet of lithium cell probe for it is loaded down with trivial details to solve current probe assembling process, and the time-wasting is with the later maintenance of being not convenient for, and the poor stability's in the use problem.

In order to achieve the technical effects, the invention adopts the technical scheme that:

a soft package lithium battery probe comprises a base, an electric current sheet, an insulating sheet and an electric voltage sheet, wherein the front surface and the bottom surface of the base are provided with L-shaped limiting grooves which are communicated with each other, the limiting grooves penetrate through the upper surface of the base, the lower end and the bottom surface in the front surface of each limiting groove are provided with a connected L-shaped limiting boss, and the upper end and the bottom surface in the front surface of each limiting groove are respectively provided with a threaded hole at two sides of each limiting boss; the widths of the current sheet, the insulating sheet and the voltage sheet are matched with the width of the limiting groove, the current sheet and the voltage sheet are of a Z-shaped structure or a half-frame structure formed by bending the metal sheet twice, the lower end of the current sheet and the lower end of the voltage sheet are bent at a right angle, and the upper end of the current sheet and the voltage sheet are bent at an obtuse angle; the widths of the current sheet, the insulating sheet and the voltage sheet are matched with the width of the limiting groove, the current sheet, the insulating sheet and the voltage sheet are sequentially attached and arranged in the limiting groove, unfilled corners are arranged at the lower end of the current sheet and the lower end of the voltage sheet, the unfilled corners enable the lower end of the voltage sheet to be arranged in the limiting groove on one side of the limiting boss to form a voltage wire wiring end, and enable the lower end of the current sheet to be arranged in the limiting groove on the other side of the limiting boss to form a current wire wiring end; the electric current sheet, the insulation sheet and the voltage sheet are correspondingly provided with through holes at all threaded holes of the limiting groove, the insulation sheet is correspondingly provided with through holes at two threaded holes at the upper end of the limiting groove, all the through holes are aligned with the centers of the corresponding threaded holes, the size of the through hole of the electric current sheet at the front side of the base is larger than that of the threaded hole, and the electric current sheet, the insulation sheet and the voltage sheet are in threaded connection with the base through bolts penetrating through the corresponding through holes and the threaded holes.

Furthermore, a raised limiting column is arranged in the limiting groove, and a limiting hole is correspondingly formed in the limiting column of the current sheet, the insulating sheet and the voltage sheet.

Furthermore, the current sheets are provided with a plurality of current sheets which are sequentially attached, gaps are respectively arranged between the upper bending ends of the adjacent current sheets and between the upper bending end of the current sheet and the upper bending end of the current sheet adjacent to the current sheet, and the bending ends from the upper end of the outermost current sheet to the upper bending end of the innermost current sheet are in a sequentially retracted state.

Furthermore, the upper surface of base is equipped with location boss and locking hole in spacing groove bilateral symmetry, and this fixed orifices is the screw hole for the mounting panel of fixed probe base is equipped with base locating hole and base mounting hole in location boss and locking hole department correspondence, the location and the fixed of base and mounting panel of being convenient for.

Furthermore, the bolts penetrating through the limit grooves in the front face of the base are inner hexagonal locking bolts.

Further, the bolts penetrating through the limiting grooves in the bottom surface of the base are wiring bolts, and gaskets are sleeved on the wiring bolts.

Furthermore, the back of the base is provided with a bolt avoiding groove at the position corresponding to the front threaded hole.

A soft package lithium battery probe assembling method comprises the following steps:

s1, installing an electric pressing sheet: arranging a voltage sheet in a limiting groove of the base, enabling a wiring end of a voltage wire to be positioned in the limiting groove on one side of the limiting boss, and enabling a positioning column in the limiting groove to penetrate through a corresponding positioning hole;

s2, installing an insulating sheet: arranging an insulation sheet on the upper surface of the voltage sheet in the limiting groove, and enabling the positioning column in the limiting groove to penetrate through the corresponding positioning hole;

s3, mounting an electric current sheet: arranging the current sheet on the upper surface of the insulating sheet in the limiting groove of the base, enabling the current wire terminal to be positioned in the limiting groove on the other side of the limiting boss, and enabling the positioning column in the limiting groove to penetrate through the corresponding positioning hole;

s4, fixing three sheets: the locking bolt sequentially penetrates through the through holes of the current sheet, the insulating sheet and the voltage sheet (three sheets for short) to fix the current sheet, the insulating sheet and the voltage sheet with the base;

s5, fixing the probe and the mounting plate: sequentially mounting the three fixed probes on the mounting plate one by one from front to back or from back to front, enabling the positioning bosses on the two sides of the top surface of each base to penetrate through the corresponding positioning through holes on the lower surface of the mounting plate, and fixing the two sides of each base with the mounting plate through bolts;

SX. installation of binding bolts: the voltage wire terminal bolt is threaded to the base through the hole of the voltage wire terminal, and the current wire terminal bolt is threaded to the base through the hole of the current wire terminal.

Further, in the step SX terminal bolt mounting, the connection of the voltage wire terminal bolt to the base may be completed after any step of S1 to S5, and the connection of the current wire terminal bolt to the base may be completed after any step of S4 or S5.

Further, in the step S3, when a plurality of current sheets are mounted, the current sheets are sequentially attached to each other from long to short, and the longest current sheet is disposed at the bottom layer and attached to the insulating sheet.

Compared with the prior art, the invention has the beneficial effects that:

the current sheet and the voltage sheet are of a Z-shaped structure or a half-frame structure formed by bending the metal sheet twice, the lower ends of the current sheet and the voltage sheet are provided with wiring ends, and the wiring ends are connected with the bottom surface of the base through bolts, so that the access of an external current line and a voltage line and the overall assembly of the probe are facilitated.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is apparent that the described embodiments are some, but not all embodiments of the present invention.

Drawings

FIG. 1 is a schematic diagram of the structure of a Z-shaped soft package lithium battery probe of the invention

Fig. 2 is an exploded view of a Z-type soft pack lithium battery probe of the present invention.

FIG. 3 is a schematic structural diagram of a base according to the present invention.

Fig. 4 is a schematic structural diagram of a semi-frame type soft package lithium battery probe according to the present invention.

FIG. 5 is an overall view of the assembled Z-type soft-package lithium battery probe of the present invention.

1. A base, 11, a limit groove, 12, a limit boss, 13, a limit column,

14. bolt avoiding groove, 15 positioning boss, 16 locking hole, 2 current sheet,

21. a bending end, 22 a terminal, 3 an electric pressing sheet, 31 a bending end,

32. terminal, 4 insulating sheet, 5 mounting plate, 51 base positioning hole,

52. the base fixing hole, 6, the locking bolt, 7, the binding bolt.

Detailed Description

A soft package lithium battery probe is shown in figures 1-5 and comprises a base 1, a current sheet 2, an insulating sheet 4 and a voltage sheet 3, wherein the front surface and the bottom surface of the base 1 are provided with L-shaped limiting grooves 11 which are communicated with each other, the limiting grooves 11 penetrate through the upper surface of the base 1, the lower ends and the bottom surface of the front surface of the limiting grooves 11 are provided with a connected L-shaped limiting boss 12, and the upper end and the bottom surface of the front surface of the limiting grooves 11 are provided with a threaded hole on each side of the limiting boss 12. The upper surface of base 1 is equipped with location boss 15 and locking hole 16 at spacing groove 11 bilateral symmetry for mounting panel 5 of fixed base 1 is equipped with base locating hole 51 and base fixed orifices 52 at base location boss 15 and locking hole 16 department correspondence, is convenient for base 1 and mounting panel 5's location and fixed. The back of the base 1 is provided with a bolt avoiding groove 14 at the position corresponding to the front threaded hole. Current piece 2, insulating piece 4 and 3 width of voltage piece and 11 width phase-matchs of spacing groove, and current piece 2 and voltage piece 3 are the Z type structure or half frame type structure that the sheetmetal formed through twice buckling, and just the lower extreme is the right angle and buckles, and the upper end is the obtuse angle and buckles. The widths of the current sheet 2, the insulating sheet 4 and the voltage sheet 3 are matched with the width of the base limiting groove 11, the current sheet 2, the insulating sheet 4 and the voltage sheet 3 are sequentially attached and arranged in the limiting groove 11, the lower end of the current sheet 2 and the lower end of the voltage sheet 3 are provided with unfilled corners, the unfilled corners enable the lower end of the voltage sheet 3 to be arranged in the limiting groove 11 on one side of the limiting boss 12 to form a voltage line wiring end 32, and the lower end of the current sheet 2 is arranged in the limiting groove 11 on the other side of the limiting boss 12 to form a current line wiring end 22; current piece 2 and voltage piece 3 correspond in all screw hole departments of spacing groove 11 and are equipped with the perforation, insulating piece 4 also corresponds in two screw hole departments of the upper end of spacing groove 11 and is equipped with the perforation, all perforation all align with the screw hole center that corresponds, voltage piece 3 is greater than the screw hole size at the perforation size of 1 positive departments of base, current piece 2, insulating piece 4 and voltage piece 3 are through wearing to establish and correspond the bolt and the 1 threaded connection of base in perforation and the screw hole. Wherein, the bolts penetrating through the limit grooves 11 on the front surface of the base 1 adopt hexagon socket locking bolts 6; the bolt that wears to establish in 1 bottom surface face spacing groove 11 of base is wiring bolt 7, and the cover is equipped with the gasket on wiring bolt 7, is convenient for make the current sheet or voltage plate and the current line or the voltage line that correspond compress tightly. The current sheets 2 are formed by a multi-sheet laminated structure with different lengths, and are provided with a plurality of current sheets 2, the current sheets 2 are sequentially attached, gaps are arranged between the upper end bending ends 21 of the adjacent current sheets 2 and between the upper end bending end 31 of the current sheet 3 and the upper end bending end 21 of the current sheet 2 adjacent to the current sheet, and the current sheets are sequentially retracted from the upper end bending end 31 of the outermost current sheet 3 to the upper end bending end 21 of the innermost current sheet 2. In order to facilitate better positioning, insulation between the current sheet 2 and the voltage sheet 3 is ensured, a raised limiting column 13 is arranged in the limiting groove 11, and the current sheet 2, the insulating sheet 4 and the voltage sheet 3 are correspondingly provided with a limiting hole at the position of the limiting column 13, so that the locking bolt 6 which simultaneously penetrates through the current sheet 2 and the voltage sheet 3 is ensured not to contact with the voltage sheet 3, and certainly, the locking bolt can also be used as an insulating bolt.

Above-mentioned soft packet of lithium battery probe is when the equipment, and the probe of Z type structure is the same basically with the probe assembled mode of half frame type structure, and only current piece 2, insulating piece 4 and voltage piece 3 are different at the installation order of 1 spacing groove 11 in base, and the probe of Z type structure adorns voltage piece 3 earlier, and insulating piece 4 is adorned current piece 2 at last again, and the probe of half frame type structure is then just opposite, and it adorns current piece 2 earlier, inferior insulating piece 4, last voltage piece 3. Taking the assembly of the probe with the Z-shaped structure as an example, as shown in FIGS. 2 and 5, the method comprises the following steps:

s1, installing an electric pressing sheet: the voltage sheet 3 is arranged in the limiting groove 11 of the base 1, the wiring end 32 of the voltage wire is positioned in the limiting groove 11 at one side of the limiting boss 12, and the positioning column in the limiting groove 11 penetrates through the corresponding positioning hole;

s2, installing an insulating sheet: arranging the insulation sheet 4 on the upper surface of the voltage sheet 3 in the limit slot 11, and enabling the positioning column in the limit slot 11 to penetrate through the corresponding positioning hole;

s3, mounting an electric current sheet: arranging the current sheet 2 on the upper surface of the insulating sheet 4 in the limiting groove 11 of the base 1, enabling the current wire terminal 22 to be positioned in the limiting groove 11 on the other side of the limiting boss 12, and enabling the positioning column in the limiting groove 11 to penetrate through the corresponding positioning hole;

s4, fixing three sheets: the locking bolt 6 sequentially penetrates through the through holes of the current sheet 2, the insulation sheet 4 and the voltage sheet 3 (three sheets for short) to fix the current sheet and the insulation sheet with the base 1;

s5, fixing the probe and the mounting plate: sequentially inserting the three fixed probes into the probe mounting holes of the mounting plate 5 one by one from front to back or from back to front, enabling the positioning bosses 15 on the two sides of the top surface of each base 1 to penetrate through the corresponding base positioning holes 51 on the mounting plate 5, and fixing the two sides of each base 1 with the mounting plate 5 through bolts;

SX. installation of binding bolts: the voltage line terminal bolt 7 is screwed to the base 1 through the through hole of the voltage line terminal 32, and the current line terminal bolt 7 is screwed to the base 1 through the through hole of the current line terminal 22.

In the step SX terminal bolt mounting, the connection between the voltage wire terminal bolt 7 and the base 1 may be completed after any one of steps S1 to S5, and the connection between the current wire terminal bolt 7 and the base 1 may be completed after any one of steps S4 and S5. In the step S3, when a plurality of current sheets 2 are mounted, the current sheets 2 are sequentially adhered one by one from long to short (or from large to small according to the size of the upper bent end 21) according to the total length, and the longest current sheet 2 is arranged at the bottom layer and adhered to the insulating sheet 4.

The present invention is not limited to the above-described embodiments, and various modifications made without inventive step from the above-described concept will fall within the scope of the present invention for those skilled in the art.