CN210182425U - Electrochemical battery module - Google Patents

Abstract

The utility model discloses an electrochemical battery module, which comprises a battery combination box and a plurality of batteries connected in parallel through the battery combination box, wherein the battery combination box comprises a bottom plate, side plates fixed on the two sides of the bottom plate, and a cover plate detachably connected with the side plates, a plurality of groups of negative connecting seats are arranged on the inner surface of the bottom plate, the adjacent negative connecting seats are electrically connected, a plurality of groups of positive connecting seats corresponding to the negative connecting seats are arranged on the cover plate, the adjacent positive connecting seats are electrically connected, a wiring chuck is fixed on one side of the outer surface of the cover plate by the positive connecting seats, the batteries comprise a watertight nylon shell, a left end cover and a right end cover are respectively fixed at the two ends of the nylon shell, a nylon net sheet used for separating the interior of the nylon shell into a left alkaline chamber and a right acid chamber is arranged in the nylon shell, a negative electrode plate is arranged in the, the positive pole plate is led out of the positive pole plate. The utility model discloses but the assembled battery obtains corresponding capacity wantonly, and combination convenient and fast.

Description

Electrochemical battery module

Technical Field

The utility model relates to a chemical battery technical field, concretely relates to but arbitrary assembled battery obtains corresponding capacity, makes up convenient and fast's electrochemical cell module.

Background

A chemical cell is a kind of electrochemical cell, which is also called a non-storage battery, and utilizes the difference in metallicity between two electrodes to generate a potential difference, so that electrons flow to generate a current. The electric capacity is smaller, and the power battery module can obtain higher capacity or voltage only by connecting the single batteries in series or in parallel.

SUMMERY OF THE UTILITY MODEL

For the security performance who improves electrochemical cell, the utility model provides a but the arbitrary assembled battery obtains corresponding capacity, makes up convenient and fast's electrochemical cell module.

The utility model discloses realize that the technical scheme that above-mentioned technological effect adopted is:

the utility model provides an electrochemical battery module, includes a battery combiner box and through the parallelly connected a plurality of battery of this battery combiner box, the battery combiner box includes left fixed plate, fixes the connecting plate of both sides about the left fixed plate, and with the removable cover of the detachable connection of connecting plate, be equipped with multiunit negative pole connecting seat on the left fixed plate, it is adjacent negative pole connecting seat electric connection, the negative pole connecting seat is in surface one side of left fixed plate is equipped with negative pole wiring chuck, be equipped with on the removable cover with the anodal connecting seat of multiunit that the negative pole connecting seat corresponds, adjacent anodal connecting seat electric connection, anodal connecting seat is in surface one side of removable cover is fixed with anodal wiring chuck.

Preferably, in an embodiment, the battery includes a water-tight nylon case, a left end cover and a right end cover are respectively fixed at two ends of the nylon case, a nylon mesh for separating the nylon case into a left alkali chamber and a right acid chamber is arranged in the nylon case, a negative electrode plate is arranged in the left alkali chamber, a negative pole column is led out from the negative electrode plate, a positive electrode plate is arranged in the right acid chamber, and a positive pole column is led out from the positive electrode plate.

Preferably, in an embodiment, the negative electrode plate is arranged at a position close to the left end cover, a left glue injection cavity is arranged between the negative electrode plate and the left end cover, the positive electrode plate is arranged at a position close to the positive electrode plate, and a right glue injection cavity is arranged between the positive electrode plate and the right end cover.

Preferably, in one embodiment, the left end cover and the right end cover are both made of stainless steel materials, welding rings are embedded in the outer surfaces of the two ends of the nylon shell, and the cover rims of the left end cover and the right end cover are respectively welded and fixed with the welding rings at the corresponding ends.

Preferably, in an embodiment, the negative electrode connecting seat includes a copper negative electrode base embedded and fixed on the left fixing plate, the negative electrode base is provided with a negative electrode post insertion hole for inserting the negative electrode post, and a negative electrode elastic sheet elastically abutting against and electrically connected with the negative electrode post is arranged in the negative electrode post insertion hole.

Preferably, in an embodiment, the positive electrode connecting seat includes a positive electrode base made of copper and integrally embedded and fixed on the movable cover plate, a positive electrode post insertion hole for inserting the positive electrode post is formed in the positive electrode base, and a positive electrode elastic sheet elastically abutting against and electrically connected with the positive electrode post is arranged in the positive electrode post insertion hole.

Preferably, in an embodiment, the terminal chuck includes a chuck seat provided with a placement cavity, an elastic electrical connector provided in the placement cavity, and a pressing member provided on the chuck seat for pressing the elastic electrical connector to generate elastic deformation.

Preferably, in one embodiment, the lower end surface of the chuck seat is connected with the positive electrode connecting seat, the elastic electric connecting piece comprises a fixed electric connecting piece and a movable electric connecting piece, and an elastically deformable electrical connection sheet connecting the fixed electrical connection sheet and the movable electrical connection sheet, the elastic deformation electric connection sheet is arranged in the arrangement cavity to form a slope surface, the fixed electric connection sheet is abutted against the cavity bottom wall of the arrangement cavity and is fixedly and electrically connected with an abutting column which penetrates out of the cavity bottom wall of the arrangement cavity and is elastically abutted against and electrically connected with the positive electrode connecting seat, the movable electric connecting sheet is abutted against the top wall of the cavity of the mounting cavity, the top wall of the cavity of the mounting cavity is provided with a front notch and a rear notch, the tail end of the pressing piece is hinged in the rear notch, the front end of the pressing piece is provided with pressing teeth, and the pressing teeth are arranged in the front notch and abutted against the movable electric connecting sheet.

Preferably, in an embodiment, the negative electrode base is provided with a negative electrode positioning portion extending and protruding from an end surface of the negative electrode base at a position facing an end surface of the removable cover plate and along a hole edge of the negative electrode post insertion hole, and the outer surface of the left end cover is provided with a negative electrode positioning groove in an inserting fit with the negative electrode positioning portion at a position located on the negative electrode post; the positive pole base is towards one end face of the left fixing plate, a positive pole positioning portion which extends to protrude out of the end face of the positive pole base is arranged on the hole edge of the positive pole jack, and a positive pole positioning groove matched with the positive pole positioning portion in an inserting and embedding mode is arranged on the outer surface of the right end cover and located on the position of the positive pole.

Preferably, in an embodiment, the inner end surface of the left fixing plate is provided with a first positioning blind groove, the inner end surface of the movable cover plate is provided with a second positioning blind groove at a position opposite to the first positioning blind groove, the outer surface of the left end cover is provided with a first positioning portion in insertion fit with the first positioning blind groove, and the outer surface of the right end cover is provided with a second positioning portion in insertion fit with the second positioning blind groove.

The utility model has the advantages that: the utility model discloses an electrochemical cell module stable in structure, the security is high, but the arbitrary assembled battery obtains corresponding capacity, makes up convenient and fast.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a diagram of the internal structure of the battery of the present invention;

fig. 3 is a left side view of the battery of the present invention;

fig. 4 is a perspective view of the battery assembly box of the present invention;

fig. 5 is a cross-sectional structural view of the battery pack of the present invention;

fig. 6 is a perspective view of the left fixing plate of the present invention;

fig. 7 is a perspective view of the negative electrode connecting seat of the present invention;

fig. 8 is a perspective view of the cover plate of the present invention;

fig. 9 is a perspective view of the positive electrode connecting seat of the present invention;

fig. 10 is a perspective view of the positive electrode connecting base according to another view angle of the present invention;

fig. 11 is a perspective view of the positive terminal block of the present invention;

fig. 12 is a schematic structural view of the positive terminal block of the present invention.

In the figure: 1-battery, 11-nylon shell, 111-welding ring, 12-left end cover, 121-negative positioning groove, 122-first positioning part, 13-right end cover, 131-positive positioning groove, 132-second positioning part, 14-nylon net sheet, 15-left alkaline chamber, 16-right acid chamber, 17-negative electrode plate, 171-negative pole column, 18-positive electrode plate, 181-positive pole column, 2-battery combination box, 21-left fixing plate, 211-negative pole connecting seat, 2111-negative pole base, 2112-negative pole column jack, 2113-negative positioning part, 2114-negative elastic sheet, 212-negative pole wiring clamp, 213-first positioning blind groove, 22-connecting plate, 221-connecting piece, 2211-wrench, 2212-fixing hook, 2213-fixed ring, 2214-pin shaft, 23-movable cover plate, 231-positive pole connecting seat, 2311-positive pole base, 2312-positive pole column jack, 2313-positive pole positioning part, 2314-positive pole elastic piece, 232-positive pole wiring clamping head, 2321-clamping head seat, 23211-placing cavity, 23212-front notch, 23213-rear notch, 23214-anti-falling clamping groove, 2322-elastic electric connecting piece, 23221-elastic deformation electric connecting piece, 23222-fixed electric connecting piece, 232221-abutting column, 23223-movable electric connecting piece, 23224-anti-falling clamping hook and 2323-pressing piece.

Detailed Description

For a further understanding of the invention, reference is made to the following description taken in conjunction with the accompanying drawings and specific examples, in which:

in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, fig. 1 is an assembled three-dimensional structure diagram of a battery and battery combination box according to the present invention. As shown in fig. 1, an electrochemical battery module according to an embodiment of the present invention includes a battery assembly box 2 and a plurality of batteries 1 connected in parallel through the battery assembly box 2. As shown in fig. 4 and 5, the battery assembly box 2 includes a left fixing plate 21, a connecting plate 22 fixed to upper and lower sides of the left fixing plate 21, and a movable cover 23 detachably connected to the connecting plate 22. As shown in fig. 6, a plurality of sets of negative electrode connecting seats 211 are disposed on the left fixing plate 21, and adjacent negative electrode connecting seats 211 are electrically connected through a conductive circuit embedded in the left fixing plate 21. The negative electrode connecting holder 211 is provided with a negative electrode terminal 212 at one side of the outer surface of the left fixing plate 21, and the negative electrode of the battery pack can be easily connected through the negative electrode terminal 212. As shown in fig. 8, a plurality of sets of positive electrode connecting seats 231 corresponding to the negative electrode connecting seats 211 are provided on the movable cover plate 23, and the adjacent positive electrode connecting seats 231 are electrically connected through conductive wires embedded in the movable cover plate 23. The positive connection seat 231 is fixed with a positive terminal clamp 232 at one side of the outer surface of the movable cover plate 23, and the positive electrode of the battery pack can be conveniently connected out through the positive terminal clamp 232.

In an embodiment of the present invention, as shown in fig. 2 and fig. 3, the battery 1 includes a water-tight nylon housing 11, a left end cap 12 and a right end cap 13 are fixed at two ends of the nylon housing 11 respectively, and the left end cap 12 and the right end cap 13 are made of stainless steel sheets. The nylon case 11 is provided with a nylon mesh 14 which is resistant to strong acid and strong base and separates the inside thereof into a left base chamber 15 and a right acid chamber 16. The left alkali chamber 15 is filled with strong alkali resin particles, and the right acid chamber 16 is filled with strong acid resin particles. The left alkali chamber 15 is internally provided with a negative electrode plate 17, a negative pole column 171 is led out of the negative electrode plate 17, and an insulating rubber sleeve is arranged at the position where the negative pole column 171 penetrates through the left end cover 12. A positive electrode plate 18 is arranged in the right acid chamber 16, a positive pole column 181 is led out of the positive electrode plate 18, and an insulating rubber sleeve is arranged at the position where the positive pole column 181 penetrates through the right end cover 13.

In some embodiments, as shown in fig. 2, the negative electrode plate 17 is disposed near the left end cap 12 with the left glue injection cavity 172 therebetween, and the positive electrode plate 18 is disposed near the positive electrode plate 18 with the right glue injection cavity 182 therebetween. Before the left end cover 12 and the right end cover 13 of the battery 1 are packaged, the left glue injection cavity 172 and the right glue injection cavity 182 are sequentially injected with sealed gel resin, so that on one hand, liquid seepage can be avoided, on the other hand, the corresponding end cover and the corresponding electrode plate can be prevented from conducting electricity, and current loss is prevented. In order to enhance the stability of the connection package, the outer surfaces of the two ends of the nylon outer shell 11 are embedded with solder rings 111, and the cover edges of the left end cover 12 and the right end cover 13 are respectively welded and fixed with the solder rings 111 of the corresponding ends. As shown in fig. 7, the negative electrode connecting seat 211 includes a copper negative electrode base 2111 embedded and fixed on the left fixing plate 21, a negative electrode post insertion hole 2112 for inserting the negative electrode post 171 is opened on the negative electrode base 2111, and a negative electrode elastic piece 2114 elastically abutting against and electrically connected with the negative electrode post 171 is disposed in the negative electrode post insertion hole 2112.

In some embodiments, as shown in fig. 9 and 10, the positive electrode connecting seat 231 includes a copper positive electrode base 2311 embedded and fixed on the movable cover plate 23. The positive pole base 2311 is provided with a positive pole jack 2312 for being inserted with the positive pole 181, and a positive pole elastic sheet 2314 which is elastically abutted and electrically connected with the positive pole 181 is arranged in the positive pole jack 2312. As shown in fig. 11 and 12, the positive terminal clamping head 232 includes a head seat 2321 having a mounting cavity 23211, an elastic electrical connector 2322 disposed in the mounting cavity 23211, and a pressing member 2323 disposed on the head seat 2321 for pressing the elastic electrical connector 2322 to generate elastic deformation. The chuck base 2321 and the pressing piece 2323 are made of insulating hard plastics. The lower end surface of the clip head seat 2321 is connected to the positive electrode connection seat 231, and the elastic electrical connection member 2322 includes a fixed electrical connection piece 23222, a movable electrical connection piece 23223, and an elastic deformation electrical connection piece 23221 connecting the fixed electrical connection piece 23222 and the movable electrical connection piece 23223. The elastically deformable electrical connection sheet 23221 is disposed in the installation cavity 23211 to form a slope, and the fixed electrical connection sheet 23222 abuts against the bottom wall of the installation cavity 23211 and is fixedly and electrically connected with an abutting column 232221 penetrating through the bottom wall of the installation cavity 23211 and elastically abutting against and electrically connected with the positive electrode connection seat 231. The movable electrical connection plate 23223 abuts against the top wall of the mounting cavity 23211, and the top wall of the mounting cavity 23211 is provided with a front notch 23212 and a rear notch 23213. The tail end of the pressing member 2323 is hinged in the rear notch 23213, the front end of the pressing member 2323 is provided with a pressing tooth 23231, and the pressing tooth 23231 is arranged in the front notch 23212 and is abutted against the movable electrical connection sheet 23223. Further, in order to enhance the electrical connection stability, an anti-falling clamping groove 23214 is formed in the bottom wall of the mounting cavity 23211, an anti-falling clamping hook 23224 is upwardly arranged at the tail end of the movable electrical connection sheet 23223, and when the pressing piece 2323 is not pressed, the anti-falling clamping hook 23224 is clamped into the anti-falling clamping groove 23214 under the elastic acting force of the elastically-deformed electrical connection sheet 23221 to clamp the accessed electrical wire, and simultaneously, the electrical connection with the movable electrical connection sheet 23223 is electrically connected with the accessed electrical wire. The negative terminal clip 212 has the same structure as the positive terminal clip 232, and will not be described herein.

In some embodiments, referring to fig. 7, the negative electrode base 2111 is provided with a negative electrode positioning portion 2113 extending and protruding from the end surface of the negative electrode base 2111 at a hole edge of the negative electrode post insertion hole 2112 facing an end surface of the removable cover plate 2, and the outer surface of the left end cap 12 is provided with a negative electrode positioning slot 121 inserted and fitted with the negative electrode positioning portion 2113 at a position located on the negative electrode post 171. As shown in fig. 10, the positive electrode base 2311 is provided with a positive electrode positioning portion 2313 extending and protruding from one end surface of the positive electrode base 2311 along the hole edge of the positive electrode post insertion hole 2312 at one end surface of the left fixing plate 1, and the outer surface of the right end cover 13 is provided with a positive electrode positioning groove 131 inserted and fitted with the positive electrode positioning portion 2313 at the position of the positive electrode post 181.

In some embodiments, as shown in fig. 4 and 5, the inner end surface of the left fixing plate 21 is provided with a first positioning blind groove 213, and the inner end surface of the movable cover plate 23 is provided with a second positioning blind groove 233 at a position opposite to the first positioning blind groove 213. As shown in fig. 2 and 3, the outer surface of the left end cap 12 is provided with a first positioning portion 122 which is inserted into and engaged with the first positioning blind groove 213, and the outer surface of the right end cap 13 is provided with a second positioning portion 132 which is inserted into and engaged with the second positioning blind groove 233. As shown in fig. 4 and 5, the movable lid 23 is detachably connected to the connection plate 22 via a connection member 221. The connector 221 includes a wrench 2211, a fixing hook 2212, a fixing ring 2213 and a pin 2214. Spanner 2211 rotates through round pin axle 2214 and connects the side edge at connecting plate 22, and fixed hook 2212 establishes the side edge relative position at removable cover 23, and solid fixed ring 2213 one end is connected on spanner 2211, and the other end cup joints fixedly with fixed hook 2212 detachable. When the movable cover 23 needs to be opened, the wrench 2211 is turned to one side of the movable cover 23 around the pin 2214 through the connecting pieces 221 on both sides, so that the fixing ring 2213 can be disengaged from the fixing hook 2212, and the movable cover 23 can be opened conveniently. When different capacities are required, corresponding capacities can be obtained by assembling a corresponding number of batteries 1, and when a load is applied, corresponding capacities can be obtained by connecting electric wires to the positive terminal clamp 232 and the negative terminal clamp 212, respectively.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims (10)

1. An electrochemical battery module is characterized by comprising a battery combination box (2) and a plurality of batteries (1) connected in parallel through the battery combination box (2), wherein the battery combination box (2) comprises a left fixing plate (21), connecting plates (22) fixed on the upper side and the lower side of the left fixing plate (21), and a movable cover plate (23) detachably connected with the connecting plates (22), a plurality of groups of negative electrode connecting seats (211) are arranged on the left fixing plate (21), adjacent negative electrode connecting seats (211) are electrically connected, a negative electrode connecting clamp (212) is arranged on one side of the outer surface of the left fixing plate (21) of each negative electrode connecting seat (211), a plurality of groups of positive electrode connecting seats (231) corresponding to the negative electrode connecting seats (211) are arranged on each movable cover plate (23), and the adjacent positive electrode connecting seats (231) are electrically connected, and the positive connecting seat (231) is fixedly provided with a positive wiring clamp (232) on one side of the outer surface of the movable cover plate (23).

2. The electrochemical battery module according to claim 1, wherein the battery (1) comprises a water-impermeable nylon case (11), a left end cap (12) and a right end cap (13) are respectively fixed at two ends of the nylon case (11), a nylon mesh (14) for partitioning the nylon case (11) into a left alkali chamber (15) and a right acid chamber (16) is arranged in the nylon case, a negative electrode plate (17) is arranged in the left alkali chamber (15), a negative pole column (171) is led out from the negative electrode plate (17), a positive electrode plate (18) is arranged in the right acid chamber (16), and a positive pole column (181) is led out from the positive electrode plate (18).

3. An electrochemical cell module according to claim 2, wherein the negative electrode plate (17) is disposed adjacent the left end cap (12) with a left gel injection cavity (172) therebetween, and the positive electrode plate (18) is disposed adjacent the positive electrode plate (18) with a right gel injection cavity (182) therebetween.

4. The electrochemical cell module according to claim 2, wherein the left end cover (12) and the right end cover (13) are both made of stainless steel material, welding rings (111) are embedded on the outer surfaces of the two ends of the nylon housing (11), and the cover rims of the left end cover (12) and the right end cover (13) are respectively welded and fixed with the welding rings (111) at the corresponding ends.

5. The electrochemical battery module according to claim 2, wherein the negative electrode connecting seat (211) comprises a copper negative electrode base (2111) embedded and fixed on the left fixing plate (21), a negative electrode post inserting hole (2112) for inserting the negative electrode post (171) is formed in the negative electrode base (2111), and a negative electrode spring piece (2114) elastically abutted and electrically connected with the negative electrode post (171) is arranged in the negative electrode post inserting hole (2112).

6. The electrochemical battery module according to claim 5, wherein the positive electrode connecting seat (231) comprises a copper positive electrode base (2311) embedded and fixed on the movable cover plate (23) in a through manner, a positive electrode post inserting hole (2312) for inserting the positive electrode post (181) is formed in the positive electrode base (2311), and a positive electrode spring piece (2314) elastically and electrically connected with the positive electrode post (181) in an abutting manner is arranged in the positive electrode post inserting hole (2312).

7. The electrochemical cell module as claimed in claim 1, wherein the terminal chuck (232) comprises a chuck seat (2321) having a receiving cavity (23211), an elastic electrical connector (2322) disposed in the receiving cavity (23211), and a pressing member (2323) disposed on the chuck seat (2321) for pressing the elastic electrical connector (2322) to generate elastic deformation.

8. The electrochemical battery module according to claim 7, wherein the lower end surface of the clamping head seat (2321) is connected to the positive electrode connecting seat (231), the elastic electrical connection member (2322) comprises a fixed electrical connection plate (23222), a movable electrical connection plate (23223), and an elastically deformable electrical connection plate (23221) connecting the fixed electrical connection plate (23222) and the movable electrical connection plate (23223), the elastically deformable electrical connection plate (23221) is disposed in the installation cavity (23211) in a sloping manner, the fixed electrical connection plate (23222) abuts against the bottom wall of the installation cavity (23211) and is fixedly and electrically connected with an abutting column (232221) penetrating through the bottom wall of the installation cavity (23211) and elastically abutting against and electrically connecting with the positive electrode connecting seat (231), the movable electrical connection plate (23223) abuts against the top wall of the installation cavity (23211), the top wall of the accommodating cavity (23211) is provided with a front notch (23212) and a rear notch (23213), the tail end of the pressing piece (2323) is hinged in the rear notch (23213), the front end of the pressing piece (2323) is provided with a pressing tooth (23231), and the pressing tooth (23231) is arranged in the front notch (23212) and abutted to the movable electric connecting sheet (23223).

9. The electrochemical battery module according to claim 6, wherein the negative electrode base (2111) is provided with a negative electrode positioning portion (2113) extending and protruding from one end surface of the negative electrode base (2111) at a hole edge of the negative electrode post insertion hole (2112) facing one end surface of the removable cover plate (23), and the outer surface of the left end cover (12) is provided with a negative electrode positioning groove (121) at a position located at the negative electrode post (171) and in inserted fit with the negative electrode positioning portion (2113); the positive pole base (2311) is provided with a positive pole positioning part (2313) which extends and protrudes out of the end face of the positive pole base (2311) along a hole edge of the positive pole insertion hole (2312) towards one end face of the left fixing plate (21), and the outer surface of the right end cover (13) is provided with a positive pole positioning groove (131) which is matched with the positive pole positioning part (2313) in an inserting and embedding mode at the position of the positive pole (181).

10. The electrochemical battery module according to claim 2, wherein the inner end surface of the left fixing plate (21) is provided with a first positioning blind groove (213), the inner end surface of the movable cover plate (23) is provided with a second positioning blind groove (233) at a position opposite to the first positioning blind groove (213), the outer surface of the left end cover (12) is provided with a first positioning portion (122) which is in inserted fit with the first positioning blind groove (213), and the outer surface of the right end cover (13) is provided with a second positioning portion (132) which is in inserted fit with the second positioning blind groove (233).

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