CN215527869U - Anti-disassembly sharing power battery module structure - Google Patents

Abstract

The utility model discloses an anti-disassembly shared power battery module structure which comprises a base, a middle barrel, an upper cover module and a battery module, wherein the middle barrel is located on the base and is internally provided with a containing cavity, the upper cover module covers the upper part of the middle barrel, the battery module is located in the containing cavity and is integrally assembled with the base and the upper cover module, the battery module is fixedly assembled on the base through a buckle connection, the upper cover module is fixedly assembled above the battery module through a buckle connection and presses and limits the middle barrel between the base and the upper cover module, the base and the upper cover module are provided with limiting grooves, and the battery module is provided with clamping convex blocks clamped into the limiting grooves. The utility model can effectively prevent manual disassembly for damage or theft operation, and ensures the safety of the battery unit in the battery box body.

Description

Anti-disassembly sharing power battery module structure

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of battery modules, and particularly relates to an anti-disassembly shared power battery module structure.

[ background of the utility model ]

The current society has higher and higher requirements on the development of green energy, and various energy storage devices are widely applied to various fields. In recent years, the application of the current battery technology is rapidly developed. Wherein, along with the rapid development of sharing electrodynamic force trade, people's daily life is also more and more convenient, but, when the sharing electric motor car brought the convenience for people, the battery that relates to the key technology of electrodynamic force but brings great challenge to the use of electric motor car, the sharing electric motor car battery of prior art, battery case generally all adopts the plastics material through beating the screw or beat the mode of quick detachable fastening such as glue, very easy damage when using, by artificial dismantlement, destroy and steal interior technique, can't guarantee operation terminal's normal interest, the battery security of being dismantled by the people simultaneously reduces by a wide margin.

Therefore, it is necessary to provide a new structure of a detachment-proof shared power battery module to solve the above problems.

[ Utility model ] content

The utility model mainly aims to provide an anti-disassembly shared power battery module structure which can effectively prevent manual disassembly from being damaged or stolen, and ensure the safety of a battery unit in a battery box.

The utility model realizes the purpose through the following technical scheme: the utility model provides an anti-disassembly sharing power battery module structure, its includes the base, sits and be equipped with well bucket, the lid of accomodating the cavity on the base and inside closes upper cover module on well bucket upper portion, be located accomodate the cavity in and with the base with upper cover module matches battery module as an organic whole, battery module passes through the buckle and connects fixed assembly and be in on the base, upper cover module is connected fixed assembly through the buckle and is in battery module top and will well bucket pressure is held and is injectd the base with between the upper cover module, the base with be provided with spacing recess on the upper cover module, it goes into to be provided with the card on the battery module screens lug in the spacing recess.

Furthermore, a first step supporting surface is formed on the peripheral edge of the base, the middle barrel is located on the first step supporting surface, and an opening at the lower part of the middle barrel covers the periphery of a first vertical enclosure corresponding to the first step supporting surface to form a limiting assembly structure;

and a second step supporting surface is formed on the periphery of the bottom edge of the upper cover module, the second step supporting surface is abutted against the top of the middle barrel shell, and a second vertical enclosure corresponding to the second step supporting surface forms an enclosure wall structure matched with the upper opening of the middle barrel.

Furthermore, at least one pair of corner areas of the base are provided with first mounting holes, the lower part of the shell of the middle barrel is provided with first threaded holes corresponding to the first mounting holes, and the base and the middle barrel are screwed into the first threaded holes from the bottom through the first mounting holes by a plurality of first screws to realize fixed connection;

at least one pair of corner areas of the upper cover module are provided with second mounting holes, the top of the middle barrel shell is provided with second threaded holes corresponding to the second mounting holes one by one, and the upper cover module and the middle barrel are screwed into the second threaded holes through a plurality of second screws after penetrating through the second mounting holes from the upper part to realize fixed connection.

Furthermore, the battery module includes that battery support, both ends card establish in the battery support and the electrode post at both ends stretches out a plurality of electric cores outside the battery support, a plurality of according to the series-parallel scheme will correspond electric core series connection or parallelly connected connection nickel piece together, be located the relative outside surface of battery support just covers all the insulating piece of connecting the nickel piece.

Furthermore, the battery support comprises a front battery support and a rear battery support which are arranged oppositely, the front battery support and the rear battery support both comprise a support body and a plurality of accommodating hole grooves formed in the support body, an opening of the accommodating hole groove in the front battery support is arranged oppositely to an opening of the accommodating hole groove in the rear battery support, and two ends of the battery cell are clamped into the accommodating hole grooves; the support body is including erectting the panel, from erect the perpendicular level of panel outer fringe limit and extend away the bordure that forms.

Furthermore, the accommodating hole groove extends horizontally from the surface of the vertical panel, and the surface of the vertical panel is provided with anti-rotation avoiding openings which correspond to the accommodating hole groove one by one; prevent changeing dodge mouthful including horizontal distribution and with the waist type hole of electrode column profile modeling, certainly the vertical dodge mouth that distributes downwards in waist type hole middle part.

Furthermore, the upright panel is provided with at least two pairs of bosses which horizontally protrude outwards, the bosses are respectively arranged at the upper part and the lower part of the upright panel, and the surface of the inner wall of the middle barrel is adhered with insulating paper.

Furthermore, a plurality of first buckles which extend upwards vertically are arranged on the base, a plurality of second buckles extend downwards from the bottom of the upper cover module, and a plurality of first bayonets which are matched with the first buckles in a buckling mode are arranged on the lower portion of the vertical panel; the upper part of the vertical panel is provided with a plurality of second bayonets which are used for being in snap fit with the second buckles.

Further, be provided with a plurality of first spacing recesses in the base, the lower surface downwardly extending of upper cover module group is formed with the spacing recess of second, the vertical downwardly extending of support body bottom is outstanding to be formed with the card and goes into first screens lug in the first spacing recess, the vertical upwardly extending of support body top is outstanding to be formed with the card and goes into second screens lug in the spacing recess of second.

Furthermore, a plurality of vertically distributed back-off structures and positioning slots are arranged on the peripheral surface of the upper cover module; the upper cover module is provided with a top outer cover in an assembling mode, and the top outer cover is provided with a wrapping shell covering the peripheral surface of the upper cover module and an upper cover plate covering the upper surface of the upper cover module; the surface of the inner wall of the edge-covering shell is provided with a third buckle matched with the inverted buckle structure and a positioning inserting strip inserted into the positioning slot and matched with the positioning slot for positioning; and an avoiding notch used for exposing the setting area of the upper cover module is arranged on the upper cover plate.

Furthermore, a battery management system circuit board unit and a charging connector which is electrically connected with the battery management system circuit board and is used for charging connection are fixedly arranged in the upper cover module; the battery management system circuit board unit comprises a single chip microcomputer module, a BMS circuit board electrically connected with the single chip microcomputer module, a communication module, a GPS module, an electric quantity detection module and an intelligent circuit protection module; the BMS circuit board and the communication module are electrically connected with the GPS module;

the bottom of the base is provided with a charge-discharge connector electrically connected with the battery management system circuit board; the battery module comprises an acquisition line, one end of the acquisition line is electrically connected with the connecting nickel sheet, and the other end of the acquisition line is electrically connected with the battery management system circuit board.

Further, a first sealing ring for sealing a connecting interface of the base and the middle barrel is arranged on the first step supporting surface; and a second sealing ring for sealing the connecting interface of the middle barrel and the upper cover module is arranged on the second step supporting surface.

Compared with the prior art, the disassembly-prevention shared power battery module structure has the beneficial effects that: the battery module is provided with the base, the upper cover and the battery module, and the base, the upper cover and the battery module are connected into a whole through the buckle structure, so that the purpose that the upper cover and the battery module as well as the battery module and the base cannot be detached and separated is achieved; a middle barrel which is used for sleeving the battery module is arranged between the upper cover and the base, the top and the bottom of the middle barrel are connected with the upper cover and the base through screws, an external top cover covers the upper surface of the upper cover in a clamping manner, and screws on the upper part are hidden in the middle barrel, so that the screws on the upper part cannot be detached, and the overall structure and the disassembly prevention performance of the battery module are further improved; the sealing rings are arranged on the joint surfaces of the middle barrel, the upper cover and the base, so that the whole sealing property and the water resistance of the battery module are improved, the use safety of the battery module is improved, and the service life of the battery module is prolonged; the operation terminal can master the position of the battery in real time through the positioning module, the battery can be effectively managed through the BMS circuit board, and battery information can be sent to the battery operation terminal; the battery module front portion all sets up the insulating piece with the rear portion, and battery module is fixed through support at front portion, rear portion, and is fixed with the connection nickel strap welded connection at front portion, rear portion again, and the security is higher, convenient to use, and the battery of the shared electric motor car of being convenient for anti-disassembly, domestic electric motor car is changed and is used.

[ description of the drawings ]

FIG. 1 is a schematic perspective view of a transparent display of a barrel according to an embodiment of the present invention;

FIG. 2 is a schematic illustration of an explosive structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a base in an embodiment of the utility model;

FIG. 4 is a schematic view of another angle of the base according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a battery module according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a battery holder according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of an upper cover module according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of an upper cover module according to another angle in the embodiment of the present invention;

FIG. 9 is a schematic diagram of a structure on a circuit board unit of a battery management system according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of a top cover according to an embodiment of the present invention;

the figures in the drawings represent:

100 anti-disassembly sharing power battery module structure;

the structure comprises a base 1, a first step supporting surface 11, a first vertical enclosing baffle 12, a first mounting hole 13, a first buckle 14, a first limiting groove 15, a first reinforcing rib 16, a first weight-reducing groove 17 and a charge-discharge connector 18;

2, a middle barrel, 21 containing cavities and 22 second threaded holes;

3, an upper cover module, 31 a second step supporting surface, 32 a second vertical enclosing barrier, 33 a second limiting groove, 34 a second buckle, 35 a second mounting hole, 36 an inverted buckle structure, 37 a positioning slot, 38 a handle, 39 a battery management system circuit board unit, 391 a BMS circuit board, 392 a communication module, 393 a GPS module, 310 a charging connector and 311 a third step supporting surface;

4, battery module, 41 battery bracket, 411 front battery bracket, 412 rear battery bracket, 413 bracket body, 4131 vertical panel, 4132 edge covering, 4133 anti-rotation avoiding opening, 41331 waist-shaped hole, 41332 avoiding opening, 4134 threading hole, 4135 slotting, 4136 first bayonet, 4137 second bayonet, 4138 reinforcing rib, 4139 positive and negative pole wire threading opening, 414 accommodating hole groove, 415 first clamping bump, 416 second clamping bump, 417 boss, 42 electric core, 421 electrode column, 43 connection nickel plate, 44 insulation sheet;

5 a first screw; 6 a second screw; 7, an outer top cover, a 71-edge-wrapped shell, a 72-upper cover plate, a 73-third buckle, 74-positioning inserting strips and 75-avoidance notches; 8, a first sealing ring; 9 second seal ring.

[ detailed description ] embodiments

The first embodiment is as follows:

as shown in fig. 1-10, the present embodiment is an anti-detachment shared power battery module structure 100, which includes a base 1, a middle barrel 2 seated on the base 1 and having a storage cavity 21 inside, an upper cover module 3 covering the upper portion of the middle barrel 2, and a battery module 4 located in the storage cavity 21 and integrally assembled with the base 1 and the upper cover module 3, wherein the battery module 4 is fixedly assembled on the base 1 by a snap connection, and the upper cover module 3 is fixedly assembled above the battery module 4 by a snap connection and is defined between the base 1 and the upper cover module 3 by pressing the middle barrel 2.

The top peripheral edge of base 1 is formed with first step holding surface 11, and well bucket 2 is located on first step holding surface 11, and the lower part opening of well bucket 2 and the first vertical fender 12 cooperation of enclosing of first step holding surface 11 form limit structure. At least a pair of corner regions of base 1 is provided with first mounting hole 13, and the casing lower part of well bucket 2 is provided with the first screw hole (not sign in the figure) that corresponds with first mounting hole 13, and base 1 passes first mounting hole 13 from the bottom through a plurality of first screws 5 with well bucket 2 and twists realize fixed connection in the first screw hole, strengthens the joint strength of base 1 and well bucket 2 and improves the overall structure nature of battery module structure. The periphery setting that first vertical encloses fender 12 is inside 2 lower parts openings of well bucket and is formed a waterproof fender structure that encloses of base 1, has improved the inside waterproof nature of base 1.

The base 1 is provided with a plurality of first buckles 14 which extend upwards vertically and are used for forming a buckle connection structure with the battery module 4. The base 1 is further provided with a plurality of first limiting grooves 15 for limiting the installation of the battery modules 4. The base 1 is internally provided with a plurality of first reinforcing ribs 16 and a plurality of first weight-reducing grooves 17 formed by the first reinforcing ribs 16 in a surrounding manner.

The 2 main part materials of well bucket adopt aluminum alloy material, can freely cut well bucket height dimension as required through extrusion molding's mode.

The base 1 and the upper cover module 3 can be made of engineering plastics.

The battery module 4 includes a battery support 41, a plurality of battery cells 42 with two ends clamped in the battery support 41 and two ends of the electrode column 421 extending out of the battery support 41, a plurality of connection nickel sheets 43 connecting the corresponding battery cells 42 in series according to a series-parallel scheme to form a sub-power module, and insulation sheets 44 located on the outer side surface of the battery support 41 and covering all the connection nickel sheets 43.

The battery holder 41 may be made of engineering plastic. The battery support 41 includes a front battery support 411 and a rear battery support 412 which are arranged oppositely, the front battery support 411 and the rear battery support 412 have the same structure, and both include a support body 413 and a plurality of accommodating hole grooves 414 formed in the support body 413, when in use, openings of the accommodating hole grooves 414 in the front battery support 411 and the accommodating hole grooves 414 in the rear battery support 412 are arranged oppositely, and two ends of the battery cell 42 are clamped into the accommodating hole grooves 414. The accommodating holes 414 are distributed in an array or a honeycomb shape as a whole.

The bracket body 413 is rectangular in overall shape and includes an upright panel 4131 and a covering 4132 vertically and horizontally extending from an outer edge of the upright panel 4131. The receiving hole 414 extends from one side surface of the upright panel 4131 in the extending direction of the rim 4132. The number of the accommodating hole grooves 414 is 30, which is the same as the number of the batteries, and the accommodating hole grooves are arranged in six rows and five columns in a staggered manner. The receiving hole 414 is a circular hole, and an axis of the receiving hole 414 extends along a thickness direction of the bracket body 413, in this embodiment, the axis of the receiving hole 414 extends along a Y coordinate axis direction. One end of the accommodation hole groove 414 is opened and the other end is blocked by the upright panel 4131, so as to limit the end of the cylindrical battery. The opening is used for inserting and fixing one end of the cylindrical battery. The inner diameter of the receiving hole groove 414 is substantially equal to the outer diameter of the cylindrical battery, and one end of the cylindrical battery is inserted into the receiving hole groove 414.

The vertical panel 4131 has anti-rotation escape openings 4133 formed on the surface thereof and corresponding to the receiving holes 414 one by one. The anti-rotation avoiding opening 4133 is in a T-shaped hole structure. The standing panel 4131 is capable of press-fitting with the outer surface of the battery cover inserted into the accommodation hole groove 414 to limit the displacement of the end of the battery cell 42 inserted into the accommodation hole groove 414 in the horizontal direction (Y-axis). The anti-rotation avoiding opening 4133 comprises a waist-shaped hole 41331 which is horizontally distributed and is profiled with the electrode column 421, and an avoiding opening 41332 which is vertically distributed downwards from the middle part of the waist-shaped hole 41331. The avoiding opening 41332 is used for exposing the battery cell liquid injection hole and the sealant dropping object. The anti-rotation avoiding opening 4133 is a through hole for the battery pole and the sealant of the liquid injection hole, and can play a role of preventing the battery core from being installed reversely by setting the through hole into a T shape, so that the liquid injection hole is ensured to face downwards, and meanwhile, the battery pole is limited so as to limit the rotation displacement of one end of the battery core 42 inserted into the accommodating hole groove 414 in the XZ axis direction.

The vertical panel 4131 is provided with a plurality of threading holes 4134, the surfaces of the left side and the right side of the wrapping 4132 are provided with notches 4135 which are in one-to-one correspondence with the threading holes 4134 and are communicated with the threading holes 4134 at intervals, and the notches 4135 and the threading holes 4134 are mainly used for collecting wire routing and restraining wire bundles, so that the neatness of wires in the battery module is guaranteed. The wires can be uniformly output or input from two sides of the bracket body 413 and clamped into the threading holes 4134 through the slots 4135.

The standing panel 4131 is provided with a plurality of first bayonets 4136 for snap-fitting with the first catches 14, and the first bayonets 4136 are distributed on the lower portion of the standing panel 4131. An upper portion of the erect panel 4131 is provided with a second bayonet 4137.

A plurality of first clamping lugs 415 are vertically and downwardly extended and protruded at the bottom of the bracket body 413, and the first clamping lugs 415 are clamped into the first limiting groove 15, so that the battery module 4 and the base 1 are assembled and positioned. First screens lug 415 is provided with a pair ofly in this embodiment, and mainly used realizes spacing to support body 413 with the cooperation of first spacing recess 15 on the base, prevents that battery holder 41 is whole to rock in well bucket 2 to play the effect of supporting battery module 4. The top of the bracket body 413 extends vertically upwards to form a plurality of second locking projections 416. The first locking protrusion 415 and the second locking protrusion 416 include, but are not limited to, a square block structure, a pentagonal block structure, or a trapezoidal block structure, and the embodiment is not limited thereto.

The upright panel 4131 is also provided with a plurality of horizontally outwardly projecting bosses 417 on its surface. The bosses 417 are provided with four divided into two pairs respectively provided at upper and lower portions of the erect panel 4131. The boss 417 functions to prevent the connecting nickel plate 43 from contacting the inner wall of the middle barrel 2 to form a short circuit when being assembled into the middle barrel 2 after being welded to the electrode column 421, so that the inner wall of the middle barrel 2 can be effectively isolated from the connecting nickel plate 43 by the boss 417.

The bracket body 413 is further provided with a plurality of second reinforcing ribs 4138. The second reinforcing bead 4138 is provided in the space surrounded by the hem 4132, and reinforces the strength of the hem 4132 and the standing panel 4131.

The upright panel 4131 is further provided with positive and negative lead threading openings 4139 through which the positive and negative leads of the battery module pass.

The battery cell 42 in this embodiment is a cylindrical battery with a protruding terminal. The number of the battery cells 42 may be determined according to specific needs, and in this embodiment, the number of the cylindrical batteries in each battery module is 30, is the same as the number of the accommodating holes 414, and is staggered in six rows and five columns. The two ends of the battery cell 42 are provided with electrode columns 421, and the electrode columns 421 pass through the anti-rotation avoiding openings 4133 and extend out of the surface of the vertical panel 4131. The single-chip connection nickel sheet 43 connects a plurality of corresponding battery cells 42 in series to form a sub-power module according to a series-parallel design scheme, and then the plurality of sub-power modules are connected in parallel to achieve a set voltage and current index.

An insulation sheet 44 is attached to the inner wall surface of the middle tub 2. Is used for avoiding the exposure of charged metal and preventing the connection nickel sheet 43 from being electrically connected with the conductor of the middle barrel 2. The insulating sheet 44 is an epoxy resin material. The connection nickel sheet 43 and the electrode column 421 are connected by light-collecting welding, and the connection nickel sheet 43 changes the shape according to the serial or parallel requirement.

The periphery of the bottom edge of the upper cover module 3 is formed with a second step supporting surface 31, the second step supporting surface 31 abuts against the top of the shell of the middle barrel 2, and a second vertical enclosure 32 of the second step supporting surface 31 surrounds and forms an enclosure wall structure matched with the upper opening of the middle barrel 2. The lower surface of the upper cover module 3 extends downwards to form a second limiting groove 33 matched with the battery module 4, and the second clamping convex block 416 at the top of the battery bracket 41 extends into the second limiting groove 33, so that the upper cover module 3 and the battery module 4 are assembled and positioned.

The bottom of the upper cover module 3 extends downwards to be provided with a plurality of second buckles 34, and the second buckles 34 are clamped into the second clamping openings 4137 to realize the buckle assembly connection of the upper cover module 3 and the battery module 4.

At least a pair of corner region of upper cover module 3 is provided with second mounting hole 35, and 2 shell tops of well bucket are provided with the second screw hole 22 with second mounting hole 35 one-to-one, and upper cover module 3 passes second mounting hole 35 from upper portion through a plurality of second screws 6 with well bucket 2 and twists in second screw hole 22 and realize fixed connection, strengthens the joint strength of upper cover module 3 and well bucket 2 and improves the overall structure nature of battery module structure.

The peripheral surface of the upper cover module 3 is provided with a plurality of vertically distributed inverted structures 36 and positioning slots 37. The upper cover module 3 is further provided with a top outer cover 7 in an assembling way, and the top outer cover 7 is provided with a covered edge shell 71 covering the peripheral surface of the upper cover module 3 and an upper cover plate 72 covering the upper surface of the upper cover module 3. The inner wall surface of the edge-covering shell 71 is provided with a third buckle 73 matched with the inverted buckle structure 36 and a positioning insert 74 inserted into the positioning slot 37 and matched and positioned with the positioning slot 37. The upper cover plate 72 is provided with an escape notch 75 for exposing a set region of the upper cover module 3.

The upper cover module 3 is provided with a handle 38. The handle 38 is a telescoping handle.

The battery management system circuit board unit 39 and the charging connector 310 electrically connected to the battery management system circuit board unit 39 and used for charging connection are fixedly disposed in the upper cover module 3. The escape notch 75 exposes the handle 38 and the charging connector 310. The battery management system circuit board unit 39 includes a BMS circuit board 391, a communication module 392, a GPS module 393, a single chip module, an electric quantity detection module, and an intelligent circuit protection module. The BMS circuit board 391 and the communication module 392 are electrically connected to the GPS module 393. The GPS module 393 is configured to locate the battery module in real time and obtain location information of the battery module. The communication module 392 is configured to send the positioning information of the GPS module 393 and the battery management information of the BMS circuit board 391 to the control center in real time. The communication module 392 is a 3G/4G/5G communication module.

The outer peripheral surface of the upper cover module 3 is also provided with a third stepped support surface 311 distributed around one turn thereof, and the bottom of the outer peripheral portion of the case of the top outer cover 7 is seated on the third stepped support surface 311. The top outer cover 7 covers the second screws 6 exposed from the outer surface of the upper cover module 3, the two end structures of the handle 38, the inverted buckle structure 36 and the positioning slot 37, so as to achieve an aesthetic effect.

The top outer cover 7 is provided with symbols of ' upward facing during charging ' and ' ×) so as to provide a directional reminder when the charging cabinet is put in during charging. The corresponding department in top enclosing cover 7 lower left corner and charge-discharge connector 18 is provided with the square groove of equidimension for paste the two-dimensional code and in order to reach the user and conveniently sweep the sign indicating number and draw the purpose of use, play the marking effect.

The bottom of the base 1 is provided with a charge and discharge connector 18 for charging and discharging electricity. The periphery of the corresponding socket of the charge and discharge connector 18 is formed with a guide sliding groove structure, so that the phenomenon that the charge and discharge connector 18 is damaged due to mis-plugging or misalignment of the socket when the plug is plugged with a male connector is prevented, and the safety of the charge and discharge connector 18 is protected. The bottom of the base 1 is provided with information such as names of operating companies, contact phones and the like, and the information and the base 1 are integrated and have non-wear-out property.

The charge/discharge connector 18 is electrically connected to the battery module 4 and the battery management system circuit board 39.

And a first sealing ring 8 for sealing the connection interface of the base 1 and the middle barrel 2 is arranged on the first step supporting surface 11. The first seal ring 8 is correspondingly provided with a through hole for the first screw 5 to pass through. And a second sealing ring 9 for sealing the connecting interface of the middle barrel 2 and the upper cover module 3 is arranged on the second step supporting surface 11. The second seal ring 9 is correspondingly provided with a through hole for the second screw 6 to pass through. The first seal ring 8 and the second seal ring 9 improve the sealing performance inside the battery module structure 100, improve the overall waterproofness and safety of the internal battery module 4, and improve the service life.

The battery module 3 further includes a collecting wire (not shown) having one end electrically connected to the connection nickel plate 43 and the other end electrically connected to the battery management system circuit board 39. The battery management system circuit board 39 acquires information such as voltage, temperature, capacity, etc. of the battery cell 42 through the acquisition line. The collector wires are snapped into the wire passing holes 4134 from the slit 4135 and then connected to the battery management system circuit board 39 from the side direction of the battery module 3.

In the anti-detachment shared power battery module structure 100 of the embodiment, the base, the upper cover and the battery module are arranged and connected into a whole through the buckle structure, so that the purpose that the upper cover and the battery module, and the battery module and the base cannot be detached and separated is achieved; a middle barrel which is used for sleeving the battery module is arranged between the upper cover and the base, the top and the bottom of the middle barrel are connected with the upper cover and the base through screws, an external top cover covers the upper surface of the upper cover in a clamping manner, and screws on the upper part are hidden in the middle barrel, so that the screws on the upper part cannot be detached, and the overall structure and the disassembly prevention performance of the battery module are further improved; the sealing rings are arranged on the joint surfaces of the middle barrel, the upper cover and the base, so that the whole sealing property and the water resistance of the battery module are improved, the use safety of the battery module is improved, and the service life of the battery module is prolonged; the operation terminal can master the position of the battery in real time through the positioning module, the battery can be effectively managed through the BMS circuit board, and battery information can be sent to the battery operation terminal; the battery module front portion all sets up the insulating piece with the rear portion, and battery module is fixed through support at front portion, rear portion, and is fixed with the connection nickel strap welded connection at front portion, rear portion again, and the security is higher, convenient to use, and the battery of the shared electric motor car of being convenient for anti-disassembly, domestic electric motor car is changed and is used.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (12)

1. The utility model provides an anti-disassembly sharing power battery module structure which characterized in that: it includes the base, sits on and the inside well bucket, the lid that is equipped with the storage cavity on the base closes upper cover module on well bucket upper portion, be located in the storage cavity and with the base with upper cover module assembly is joined in marriage battery module as an organic whole, battery module passes through the buckle and connects fixed mounting on the base, upper cover module passes through the buckle and connects fixed mounting and is in battery module top and will well bucket pressure is held and is injectd the base with between the upper cover module, the base with be provided with spacing recess on the upper cover module, it blocks into to be provided with on the battery module screens lug in the spacing recess.

2. The disassembly-prevention shared power battery module structure as claimed in claim 1, wherein: a first step supporting surface is formed on the peripheral edge of the base, the middle barrel is located on the first step supporting surface, and an opening at the lower part of the middle barrel covers the periphery of a first vertical enclosure corresponding to the first step supporting surface to form a limiting assembly structure;

and a second step supporting surface is formed on the periphery of the bottom edge of the upper cover module, the second step supporting surface is abutted against the top of the middle barrel shell, and a second vertical enclosure corresponding to the second step supporting surface forms an enclosure wall structure matched with the upper opening of the middle barrel.

3. The disassembly-prevention shared power battery module structure as claimed in claim 1, wherein: at least one pair of corner areas of the base are provided with first mounting holes, the lower part of the shell of the middle barrel is provided with first threaded holes corresponding to the first mounting holes, and the base and the middle barrel are screwed into the first threaded holes from the bottom through the first mounting holes by a plurality of first screws to realize fixed connection;

at least one pair of corner areas of the upper cover module are provided with second mounting holes, the top of the middle barrel shell is provided with second threaded holes corresponding to the second mounting holes one by one, and the upper cover module and the middle barrel are screwed into the second threaded holes through a plurality of second screws after penetrating through the second mounting holes from the upper part to realize fixed connection.

4. The disassembly-prevention shared power battery module structure as claimed in claim 1, wherein: the battery module includes that battery support, both ends card establish in the battery support and the electrode post at both ends stretches out a plurality of electric cores outside the battery support, a plurality of according to the series-parallel scheme will correspond electric core series connection or parallelly connected connection nickel piece together, be located the relative outside surface of battery support just covers all connect the insulating piece of nickel piece.

5. The disassembly-prevention shared power battery module structure as claimed in claim 4, wherein: the battery support comprises a front battery support and a rear battery support which are oppositely arranged, the front battery support and the rear battery support respectively comprise a support body and a plurality of accommodating hole grooves formed in the support body, the opening of the accommodating hole groove in the front battery support is oppositely arranged with the opening of the accommodating hole groove in the rear battery support, and two ends of the battery cell are clamped into the accommodating hole grooves; the support body is including erectting the panel, from erect the perpendicular level of panel outer fringe limit and extend away the bordure that forms.

6. The disassembly-prevention shared power battery module structure of claim 5, wherein: the accommodating hole grooves are formed by horizontally extending from the surface of the vertical panel, and anti-rotation avoiding openings which correspond to the accommodating hole grooves one by one are formed in the surface of the vertical panel; prevent changeing dodge mouthful including horizontal distribution and with the waist type hole of electrode column profile modeling, certainly the vertical dodge mouth that distributes downwards in waist type hole middle part.

7. The disassembly-prevention shared power battery module structure of claim 5, wherein: the vertical panel is provided with at least two pairs of bosses which horizontally protrude outwards, the bosses are respectively arranged at the upper part and the lower part of the vertical panel, and the surface of the inner wall of the middle barrel is adhered with insulating paper.

8. The disassembly-prevention shared power battery module structure of claim 5, wherein: the base is provided with a plurality of first buckles which extend upwards vertically, the bottom of the upper cover module extends downwards to be provided with a plurality of second buckles, and the lower part of the vertical panel is provided with a plurality of first bayonets which are used for being matched with the first buckles in a buckling mode; the upper part of the vertical panel is provided with a plurality of second bayonets which are used for being in snap fit with the second buckles.

9. The disassembly-prevention shared power battery module structure of claim 5, wherein: be provided with a plurality of first spacing recesses in the base, the lower surface downwardly extending of upper cover module group is formed with the spacing recess of second, the vertical downwardly extending of support body bottom is outstanding to be formed with the card and goes into first screens lug in the first spacing recess, the vertical upwardly extending of support body top is outstanding to be formed with the card and goes into second screens lug in the spacing recess of second.

10. The disassembly-prevention shared power battery module structure as claimed in claim 1, wherein: the peripheral surface of the upper cover module is provided with a plurality of vertically distributed back-off structures and positioning slots; the upper cover module is provided with a top outer cover in an assembling mode, and the top outer cover is provided with a wrapping shell covering the peripheral surface of the upper cover module and an upper cover plate covering the upper surface of the upper cover module; the surface of the inner wall of the edge-covering shell is provided with a third buckle matched with the inverted buckle structure and a positioning inserting strip inserted into the positioning slot and matched with the positioning slot for positioning; and an avoiding notch used for exposing the setting area of the upper cover module is arranged on the upper cover plate.

11. The disassembly-prevention shared power battery module structure as claimed in claim 4, wherein: a battery management system circuit board unit and a charging connector which is electrically connected with the battery management system circuit board and is used for charging connection are fixedly arranged in the upper cover module; the battery management system circuit board unit comprises a single chip microcomputer module, a BMS circuit board electrically connected with the single chip microcomputer module, a communication module, a GPS module, an electric quantity detection module and an intelligent circuit protection module; the BMS circuit board and the communication module are electrically connected with the GPS module;

the bottom of the base is provided with a charge-discharge connector electrically connected with the battery management system circuit board; the battery module comprises an acquisition line, one end of the acquisition line is electrically connected with the connecting nickel sheet, and the other end of the acquisition line is electrically connected with the battery management system circuit board.

12. The disassembly-prevention shared power battery module structure as claimed in claim 2, wherein: a first sealing ring for sealing the connecting interface of the base and the middle barrel is arranged on the first step supporting surface; and a second sealing ring for sealing the connecting interface of the middle barrel and the upper cover module is arranged on the second step supporting surface.

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