CN116722285B

CN116722285B - Battery module

Info

Publication number: CN116722285B
Application number: CN202310996269.9A
Authority: CN
Inventors: 高宁泽; 夏军奇; 孙涛
Original assignee: Zhonghaichao Hebei New Energy Technology Co ltd; China Carbon Haichao Beijing New Energy Technology Co ltd
Current assignee: Zhonghaichao Hebei New Energy Technology Co ltd; China Carbon Haichao Beijing New Energy Technology Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2023-10-20
Anticipated expiration: 2043-08-09
Also published as: CN116722285A

Abstract

The application relates to the technical field of battery modules, and provides a battery module which aims to solve the problem that an existing battery module cannot perform timely automatic fire extinguishing treatment on a battery core on fire. The application not only can carry out timely automatic fire extinguishing treatment on the battery cells on fire, but also can carry out efficient and stable energy-saving heat dissipation work on each battery cell.

Description

Battery module

Technical Field

The application relates to the technical field of battery modules, in particular to a battery module.

Background

The battery module is a battery assembly composed of a plurality of battery cells, which are connected together to provide higher voltage and current output, plays an important role in modern life, can provide functions of electric energy storage, electric energy output and electric energy efficiency improvement, and has a wider application range along with the continuous development of technology, so that more convenience and comfort are brought to the life of people, for example, an electric automobile needs a large amount of electric energy to drive a motor, and the battery module can store enough electric energy to meet the requirements of the automobile;

in the use process of the conventional battery module, for example, the battery module with the publication number of CN202111043192.0 has some problems, in the working process, although a separation sheet is arranged between two adjacent battery cells, the two battery cells can be separated through the separation sheet, so that when any battery cell fails, the adjacent battery cell is prevented from being damaged, but when the battery cell fails to cause fire, the battery module can be separated by the separation sheet, but can not perform timely automatic fire extinguishing treatment on the fire battery cell, so that under the continuous burning effect of flame, the adjacent battery cell can be still influenced by the separation sheet, even the adjacent battery cell is damaged, the practicability is poor, and the safety is low; in addition, in the use process of the existing battery module, the gaps between the adjacent battery cells are extremely small, so that heat generated by the battery cells in the continuous working process cannot be timely dissipated, each battery cell is extremely easy to overheat and damage, the existing battery module can dissipate heat by utilizing the rotation of the fan blade, but the heat dissipation efficiency is low by the rotation of the fan blade alone, and the energy consumption is high by matching with the refrigeration equipment, so that the efficient and stable energy-saving heat dissipation work cannot be carried out on each battery cell; moreover, the existing battery module is usually assembled and molded by adopting welding or bolts, so that when a single battery core in the battery module breaks down and is damaged, workers cannot conveniently and stably disassemble, overhaul or replace the battery core, and when the existing battery module is applied to a new energy automobile, the battery core cannot be stably buffered and protected, so that the new energy automobile is bump and extremely easily damaged due to collision of the battery core in the forming process, and the practicability and the safety are poor, so that the battery module is required to meet the requirements of users.

Disclosure of Invention

The application provides a battery module, which solves the problems that the existing battery module cannot perform timely automatic fire extinguishing treatment on the ignited battery cells, cannot perform efficient and stable energy-saving heat dissipation work on each battery cell, cannot perform convenient and stable disassembly, overhaul or replacement on the battery cells, and cannot perform stable buffering protection on the battery cells.

The technical scheme of the application is as follows:

the utility model provides a battery module, includes end cover, mounting panel and curb plate, fixedly connected with first division board and second division board on the end cover, second division board fixed connection is in on the first division board, install buffering protection subassembly on the first division board, fixedly connected with locating piece on the first division board, the draw-in groove has been seted up on the locating piece, the constant head tank has been seted up in the mounting panel, the locating piece block is connected in the constant head tank, the storage tank has been seted up on the mounting panel, storage tank fixedly connected with first spring, the other end fixedly connected with of first spring links up the board, fixedly connected with fixed plate and draw-in bar on the linking board, the draw-in bar block is connected in the draw-in groove, be provided with the electricity core in the end cover, be provided with discharge valve on the electricity core, the electricity core is connected with the conducting medium through the utmost point ear, install energy-conserving cooling subassembly in the mounting panel, fixedly connected with guide bar in the guide bar, fixedly connected with second spring in the guide bar, the other end fixedly connected with of second spring has the dog, sliding connection in the guide bar is in the guide bar, the guide bar is in the guide bar connection.

As a preferred embodiment of the present application, wherein: the first division plate and the second division plate are all equidistantly distributed on the end cover, the first division plate and the second division plate are mutually perpendicular, the first division plate and the second division plate are alternately distributed, the second division plate is fixed at the middle part of the first division plate, the first division plate and the end cover are integrally arranged, the end face of the first division plate is flush with the end face of the second division plate, and the first division plate and the second division plate are mutually attached to the mounting plate.

As a preferred embodiment of the present application, wherein: the damping protection assembly comprises a damping cylinder and a damping spring, one end of the damping cylinder and one end of the damping spring are fixedly connected to the first partition plate, the other end of the damping cylinder and the other end of the damping spring are fixedly connected to a connecting frame, the damping spring is sleeved on the damping cylinder, dry powder is filled in the connecting frame, and a rubber pad is fixedly connected to the connecting frame.

As a preferred embodiment of the present application, wherein: the connecting frame is made of tin plates, the damping cylinders are inclined and symmetrically distributed on the two sides of the top and the two sides of the bottom of the battery cell respectively, the damping cylinders are in one-to-one correspondence with the connecting frame, the damping cylinders are fixed in the middle of the connecting frame, and the cross section of the connecting frame is isosceles trapezoid.

As a preferred embodiment of the present application, wherein: the positioning blocks are symmetrically distributed on two sides of the end part of the first partition plate, the positioning blocks correspond to the positioning grooves one by one, the fixing plate is fixed to the middle part of the connecting plate, and the first springs are fixed to the middle part of the side end of the connecting plate.

As a preferred embodiment of the present application, wherein: the energy-saving cooling assembly comprises a chute, the chute is arranged in the mounting plate, a small motor is arranged at the inner side end of the chute, the output end of the small motor is connected with a reciprocating screw rod, the other end of the reciprocating screw rod is rotationally connected with the other end of the chute, the reciprocating screw rod is connected with a heat conducting box in a threaded manner, the heat conducting box is limited and slidingly connected in the chute, the reciprocating screw rod is connected to the middle part of the heat conducting box, and the upper end face and the lower end face of the heat conducting box are respectively attached to the inner upper end face and the lower end face of the chute.

As a preferred embodiment of the present application, wherein: the side fixedly connected with layer board of heat conduction case, rotate on the layer board and be connected with the axis of rotation, fixedly connected with small-size flabellum, fixed coil and first conical gear in the axis of rotation, the winding has the haulage rope on the fixed coil, the tip fixed connection of haulage rope is in the inside side of spout, fixedly connected with scroll spring in the axis of rotation, scroll spring's outer end fixed connection is in the spacing frame, spacing frame fixed connection is in on the layer board, layer board symmetric distribution is in heat conduction case's both sides middle part, axis of rotation symmetric distribution is in the upper and lower both sides of layer board.

As a preferred embodiment of the present application, wherein: the first bevel gear is connected with a second bevel gear in a meshed manner, the second bevel gear is fixedly connected with a transmission shaft, the transmission shaft is rotationally connected in the heat conduction box, the transmission shaft is fixedly connected with stirring blades, the heat conduction box is provided with a refrigerating sheet, the mounting plate is fixedly connected with a filter screen plate, the stirring She Dengju is distributed on two sides of the transmission shaft, the refrigerating sheets are symmetrically distributed on two sides of the heat conduction box, the filter screen plates are equidistantly distributed on two sides of the mounting plate, and the central axis of the filter screen plates and the central axis of the battery cell are located on the same vertical central line.

As a preferred embodiment of the present application, wherein: the guide grooves are symmetrically distributed in the middle parts of two sides of the side plate, the side plate is mutually attached to the end cover, the first partition plate and the mounting plate, the guide grooves are in one-to-one correspondence with the guide rods, the length of the guide rods is larger than the depth of the guide grooves, the second springs are symmetrically distributed in two sides inside the guide rods, the second springs are in one-to-one correspondence with the check blocks, and the end sections of the check blocks are right trapezoid.

The working principle and the beneficial effects of the application are as follows:

1. be provided with buffering protection subassembly, utilize the crisscross cooperation of each first division board and each second division board, can form a plurality of spaces of placing, and then can carry out convenient stable location separation to a plurality of electric cores and place, thereby can effectively avoid a plurality of electric cores to laminate each other, lead to follow-up difficult heat dissipation, and when one electric core breaks down impaired, can influence the problem that adjacent electric core normally used, and in electric core course of working, under damping cylinder and damping spring's cooperation effect, the rubber pad on the connection frame can carry out convenient stable buffering protection work to the electric core, avoid the new energy automobile at the in-process of traveling, the road jolt leads to the electric core to collide with impaired problem, and when the electric core breaks down and lead to the fire, the flame can burn connecting frame and the rubber pad that the tin plate was made, dry powder in the connecting frame can automatic scattering to electric core department this moment, the wind-force drive of cooperation energy-saving cooling subassembly, can carry out timely automatic fire extinguishing work to the electric core, avoid the electric core of trouble to cause harmful effects to other electric cores, the use diversity and safety of battery module have been increased.

2. Be provided with energy-conserving cooling subassembly, utilize the continuous rotation of reciprocating screw rod can drive the heat conduction case and carry out stable reciprocating motion, the fixed coil on cooperation scroll spring and the haulage rope can drive the small-size flabellum in the axis of rotation and carry out automatic stable reciprocating rotation in the reciprocating motion process, meanwhile, under the continuous refrigeration effect of the inside coolant liquid of cooperation heat conduction case, can carry out automatic efficient energy-conserving cooling work to each battery cell of separately placing, and then can guarantee the stability of battery cell long-time operating condition, avoid the battery cell overheated impaired, effectively strengthened battery module's heat dispersion, thereby battery module's life has been prolonged.

3. Be provided with guide bar and locating piece, utilize the cooperation of guide bar and guide way, the curb plate that combines the dog can carry out convenient stable dismantlement to both sides, the curb plate that utilizes the installation can carry out convenient stable closed protection to each electric core, the same reason, through dismantling the curb plate, alright change alone or overhaul the maintenance convenient stable to electric core, and utilize the cooperation of locating piece and draw-in bar, combine to carry out convenient stable dismantlement between end cover and the mounting panel with draw-in groove, and then can convenient stable completion battery module's whole assembly and dismantlement work, thereby can guarantee convenient and the high-efficient of battery module follow-up maintenance work, the use diversity and the convenience of battery module have been increased.

Drawings

The application will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic view showing the overall perspective structure of a battery module according to the present application;

fig. 2 is a schematic perspective view of a first separator of a battery module according to the present application;

fig. 3 is a schematic view showing the overall front view structure of a battery module according to the present application;

fig. 4 is a schematic view of a structure of a battery module mounting plate according to the present application;

FIG. 5 is a schematic view showing the structure of the battery module shown in FIG. 4A according to the present application;

fig. 6 is a schematic view showing a structure of a connection frame of a battery module according to the present application;

fig. 7 is a schematic view of a battery module small-sized motor according to the present application;

FIG. 8 is a schematic view of the structure of the battery module of FIG. 7 at B according to the present application;

fig. 9 is a schematic diagram showing the overall side view of a battery module according to the present application;

fig. 10 is a schematic view of a heat conduction case of a battery module according to the present application;

fig. 11 is a schematic view showing the structure of a battery module stirring She Ceshi according to the present application;

FIG. 12 is a schematic top view of a battery module wrap spring of the present application;

FIG. 13 is a schematic view showing the structure of the battery module shown in FIG. 9 at C according to the present application;

fig. 14 is a schematic view showing a structure of the battery module of fig. 9D according to the present application.

Reference numerals: 1. an end cap; 2. a first partition plate; 3. a buffer protection assembly; 301. a damping cylinder; 302. a damping spring; 303. a connection frame; 304. a dry powder; 305. a rubber pad; 4. a positioning block; 5. a clamping groove; 6. a mounting plate; 7. a positioning groove; 8. a storage groove; 9. a first spring; 10. a splice plate; 11. a fixing plate; 12. a clamping rod; 13. a battery cell; 14. an exhaust valve; 15. a conductive medium; 16. an energy-saving cooling component; 1601. a small motor; 1602. a reciprocating screw rod; 1603. a heat conduction box; 1604. a supporting plate; 1605. a rotating shaft; 1606. small fan blades; 1607. fixing the coil; 1608. a traction rope; 1609. a spiral spring; 1610. a limit frame; 1611. a first bevel gear; 1612. a second bevel gear; 1613. a transmission shaft; 1614. stirring the leaves; 1615. a cooling sheet; 1616. a chute; 1617. a screen plate; 17. a guide rod; 18. a second spring; 19. a stop block; 20. a side plate; 21. a guide groove; 22. and a second partition plate.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Example 1

As shown in fig. 1-14, a battery module comprises an end cover 1, a mounting plate 6 and a side plate 20, wherein a first partition plate 2 and a second partition plate 22 are fixedly connected to the end cover 1, the second partition plate 22 is fixedly connected to the first partition plate 2, a buffer protection component 3 is mounted on the first partition plate 2, a positioning block 4 is fixedly connected to the first partition plate 2, a clamping groove 5 is formed in the positioning block 4, a positioning groove 7 is formed in the mounting plate 6, the positioning block 4 is connected in the positioning groove 7 in a clamping way, a storage groove 8 is formed in the mounting plate 6, a first spring 9 is fixedly connected in the storage groove 8, the other end of the first spring 9 is fixedly connected with a connecting plate 10, a fixing plate 11 and a clamping rod 12 are fixedly connected to the connecting plate 10, the clamping rod 12 is connected in the clamping groove 5 in a clamping way, a battery cell 13 is arranged in the end cover 1, an exhaust valve 14 is arranged on the battery cell 13, a conductive medium 15 is connected to the battery cell 13 through a lug, the energy-saving cooling component 16 is arranged in the mounting plate 6, the guide rod 17 is fixedly connected to the first partition plate 2, the second spring 18 is fixedly connected to the guide rod 17, the stop block 19 is fixedly connected to the other end of the second spring 18, the stop block 19 is in limit sliding connection in the guide rod 17, the guide groove 21 is arranged on the side plate 20 in a penetrating way, the guide rod 17 is connected in the guide groove 21 in a clamping way, the buffer protection component 3, the first partition plates 2 and the second partition plates 22 are utilized to carry out convenient and stable positioning separation placement on the battery cores 13, and carry out convenient and stable buffer protection work on the battery cores 13, so that the problem that the battery cores 13 are damaged due to bump on a road in the running process of a new energy automobile is avoided, and the battery cores 13 can be automatically put out fire extinguishing work in time, avoid trouble electric core 13 to cause harmful effects to other electric cores 13, increased battery module's use variety and security, and cooperation energy-conserving cooling module 16 can carry out automatic efficient energy-conserving cooling work to each electric core 13 that separates to place, and then can guarantee the stability of electric core 13 long-time operating condition, avoid electric core 13 overheated impaired, effectively strengthen battery module's heat dispersion, thereby battery module's life has been prolonged, and utilize the cooperation of guide bar 17 and guide way 21, combine dog 19 can carry out convenient stable dismantlement to the curb plate 20 of both sides, utilize the curb plate 20 of installation can carry out convenient stable closed protection to each electric core 13, and similarly, through dismantling curb plate 20, can carry out convenient stable individual change or overhaul maintenance to electric core 13.

Example 2

As shown in fig. 1 to 14, the present embodiment also proposes a battery module based on the same concept as embodiment 1 described above.

In this embodiment, first division board 2 and second division board 22 equal distance distribution are on end cover 1, first division board 2 and second division board 22 mutually perpendicular, first division board 2 and second division board 22 alternate distribution, second division board 22 is fixed in the middle part of first division board 2, set up as an organic wholely between first division board 2 and the end cover 1, the terminal surface of first division board 2 and the terminal surface parallel and level of second division board 22, first division board 2 and second division board 22 all laminate each other with mounting panel 6, utilize the crisscross cooperation of each first division board 2 and each second division board 22, can form a plurality of placing spaces, and then can carry out convenient stable location separation to a plurality of electric cores 13 and place, thereby can effectively avoid a plurality of electric cores 13 laminating each other, lead to follow-up difficult heat dissipation, and when a electric core 13 breaks down impaired, can influence the problem that adjacent electric core 13 normally used.

In this embodiment, the buffering protection component 3 includes damping cylinder 301 and damping spring 302, damping cylinder 301's one end and damping spring 302's one end all fixed connection is on first division board 2, damping cylinder 301's the other end and damping spring 302's the other end all fixed connection is on connecting frame 303, damping spring 302 cover is established on damping cylinder 301, the connecting frame 303 intussuseption is filled with dry powder 304, fixedly connected with rubber pad 305 on the connecting frame 303, in the battery core 13 course of working, under damping cylinder 301 and damping spring 302's cooperation effect, the buffering protection work that can be convenient stable to battery core 13 is combined to rubber pad 305 on the connecting frame 303, avoid new energy automobile to bump and lead to battery core 13 to appear colliding with impaired problem in the course of traveling.

In this embodiment, the connection frame 303 is made of tin plates, the damping cylinders 301 are inclined, the damping cylinders 301 are symmetrically distributed on the two sides of the top and the two sides of the bottom of the battery core 13 respectively, the damping cylinders 301 are in one-to-one correspondence with the connection frame 303, the damping cylinders 301 are fixed at the middle part of the connection frame 303, the cross section of the connection frame 303 is isosceles trapezoid, when the battery core 13 breaks down to cause a fire, the flame burns and melts the connection frame 303 and the rubber pad 305 made of the tin plates, at this moment, dry powder 304 in the connection frame 303 automatically falls to the battery core 13, and the battery core 13 can be automatically extinguished by matching with the wind power driving of the energy-saving cooling assembly 16, so that adverse effects caused by the fault battery core 13 on other battery cores 13 are avoided, and the use diversity and safety of the battery module are increased.

In this embodiment, locating piece 4 symmetric distribution is in the tip both sides of first division board 2, locating piece 4 and constant head tank 7 one-to-one, fixed plate 11 fixes the middle part at the joint board 10, first spring 9 fixes the side middle part at joint board 10, guide way 21 symmetric distribution is in the both sides middle part of curb plate 20, each other laminating between curb plate 20 and end cover 1, first division board 2 and mounting panel 6, guide way 21 and guide bar 17 one-to-one, the length of guide bar 17 is greater than the degree of depth of guide way 21, second spring 18 symmetric distribution is in the inside both sides of guide bar 17, second spring 18 and dog 19 one-to-one, the tip transversal right trapezoid that personally submits of dog 19 utilizes guide bar 17 and guide bar 21's cooperation, the curb plate 20 that combines the dog 19 can carry out convenient stable dismantlement installation to both sides, the curb plate 20 that utilizes the installation can carry out convenient stable closed protection to each electric core 13, the same, through dismantling curb plate 20, alright carry out convenient stable alone or maintenance to electric core 13, and utilize the cooperation of locating piece 4 and card bar 12, the length of guide bar 17 is greater than the degree of depth of guide bar 21, the second spring 18 symmetric distribution is in guide bar 17 inside both sides, the end cover, the cooperation of guide bar 17 and the end cover 1 can be dismantled with the battery module with the convenient and stable maintenance module, thereby the convenient and stable maintenance module can be carried out the convenient and stable assembly, and high efficiency of the maintenance module can be accomplished.

In this embodiment, the energy-saving cooling component 16 includes a sliding slot 1616, the sliding slot 1616 is opened in the mounting plate 6, a small motor 1601 is installed at the inner side end of the sliding slot 1616, the output end of the small motor 1601 is connected with a reciprocating screw 1602, the other end of the reciprocating screw 1602 is rotatably connected with the other end of the sliding slot 1616, the reciprocating screw 1602 is connected with a heat conducting box 1603 by screw thread, the heat conducting box 1603 is limited and slidingly connected in the sliding slot 1616, the reciprocating screw 1602 is connected with the middle part of the heat conducting box 1603, the upper and lower end surfaces of the heat conducting box 1603 are respectively attached to the upper and lower end surfaces of the inner part of the sliding slot 1616, the side end of the heat conducting box 1603 is fixedly connected with a supporting plate 1604, the supporting plate 1604 is rotatably connected with a rotating shaft 1605, the small fan blade 1606, a fixed coil 1607 and a first conical gear 1611 are fixedly connected with the rotating shaft 1605, the fixed coil 1607 is wound with the hauling rope 1608, the tip fixed connection of hauling rope 1608 is at the inside side of spout 1616, fixedly connected with scroll spring 1609 on the axis of rotation 1605, the outer end fixed connection of scroll spring 1609 is in spacing frame 1610, spacing frame 1610 fixed connection is on layer board 1604, layer board 1604 symmetric distribution is in the both sides middle part of heat conduction case 1603, axis of rotation 1605 symmetric distribution is in the upper and lower both sides of layer board 1604, utilize the continuous rotation of reciprocating lead screw 1602 can drive heat conduction case 1603 and carry out stable reciprocating motion, cooperate the fixed coil 1607 on scroll spring 1609 and the hauling rope 1608, can drive the small-size flabellum 1606 on the axis of rotation 1605 and carry out automatic stable reciprocating rotation in reciprocating motion in-process, and then can carry out convenient stable heat dissipation work to each electric core 13.

In the embodiment, a second bevel gear 1612 is engaged and connected on a first bevel gear 1611, a transmission shaft 1613 is fixedly connected on the second bevel gear 1612, the transmission shaft 1613 is rotatably connected in a heat conducting box 1603, a stirring blade 1614 is fixedly connected on the transmission shaft 1613, a refrigerating plate 1615 is mounted on the heat conducting box 1603, a filter screen plate 1617 is fixedly connected on a mounting plate 6, the stirring blade 1614 is equidistantly distributed on two sides of the transmission shaft 1613, the refrigerating plate 1615 is symmetrically distributed on two sides of the heat conducting box 1603, the filter screen plates 1617 are equidistantly distributed on two sides of the mounting plate 6, the central axis of the filter screen plate 1617 and the central axis of an electric core 13 are positioned on the same vertical central line, and in the rotation process of the rotation shaft 1605, the stirring blade 1611 and the second bevel gear 1612 are engaged and driven, can drive transmission shaft 1613 and carry out automatic stable reciprocal rotation in heat conduction case 1603, cooperation each stirring leaf 1614, can carry out continuous stirring to the coolant liquid in the heat conduction case 1603, combine refrigerating plate 1615 can carry out even efficient refrigeration to the coolant liquid in the heat conduction case 1603 and handle, simultaneously, combine heat conduction case 1603 and heat transfer principle, can carry out high-efficient refrigeration to the air around the small-size flabellum 1606, cooperation small-size flabellum 1606 rotates, can carry out automatic propelling movement to each electric core 13 department with the air after refrigerating through filter screen plate 1617, and then can carry out automatic efficient energy-conserving cooling work to each electric core 13, and then can guarantee the stability of electric core 13 long-time operating condition.

Specifically, the present application is a battery module, as shown in fig. 1 to 14, firstly, a worker pulls the connection plate 10 outwards by using the fixing plate 11 on the connection plate 10, at this time, under the action of the movement of the connection plate 10, the clamping rod 12 can be driven to move and separate from the positioning groove 7, then the worker can insert the positioning block 4 on the first separation plate 2 into the positioning groove 7 on the mounting plate 6, then the worker can release the fixing plate 11 on the connection plate 10, at this time, under the action of the elasticity of the first spring 9, the connection plate 10 can be driven to automatically move into the receiving groove 8 to complete the reset, at this time, under the action of the movement of the connection plate 10, the clamping rods 12 can be driven to automatically clamp into the clamping grooves 5 on the positioning blocks 4, the clamping and fixing work among the end cover 1, the first partition plate 2 and the mounting plate 6 can be conveniently and stably completed, a plurality of placing spaces can be formed under the staggered matching action of each first partition plate 2 and each second partition plate 22 on the end cover 1, then each battery cell 13 can be stably placed in each placing space by staff, at the moment, under the combined action of the damping cylinders 301 at the two sides of the top and the two sides of the bottom of the battery cell 13, the battery cell 13 can be automatically and stably extruded and fixed by matching with the corresponding connecting frame 303, and under the matching action of the damping cylinders 301 and the damping springs 302, the battery cell 13 can be conveniently and stably buffered and protected by combining the rubber pads 305 on the connecting frame 303, so that the battery cell 13 is prevented from being damaged due to collision caused by road jolt in the running process of a new energy automobile;

after the end cover 1, the first partition plate 2 and the mounting plate 6 are clamped and mounted, a worker can aim at the guide rods 17 on the first partition plate 2 through the guide grooves 21 on two sides of the side plates 20, then the worker can push the side plates 20, the guide rods 17 can be inserted into the guide grooves 21, at the moment, under the pushing action of the guide grooves 21, the end inclined surfaces of the stop blocks 19 are utilized, the guide grooves 21 can push the stop blocks 19 to move inwards to the guide rods 17 until the guide rods 17 drive the stop blocks 19 to move to pass through the guide grooves 21 on the side plates 20, at the moment, under the elastic action of the second springs 18, the stop blocks 19 can be driven to move outwards automatically, at the moment, the guide rods 17 are matched with the stop blocks 19 on two sides, the side plates 20 can be fixed on the first partition plate 2 through the guide grooves 21 in a convenient and stable clamping mode, through repeated operation, at the moment, under the combined action of the side plates 20, the first partition plates 2 on the side ends are matched with the end cover 1, the electric cores 13 can be closed conveniently and stably, and conveniently, and similarly, when maintenance work is required to be carried out on the electric cores 13, the electric cores are required to be maintained, the guide rods 19 can be pushed to move only on the guide rods 17 to move inwards, and can be removed conveniently and stably, and the electric cores can be maintained by the guide rods 17 are required to be moved conveniently and stably;

after the battery cell 13 is installed stably, in the working process of the battery module, a worker can drive the reciprocating screw 1602 to stably rotate under the driving action of the small motor 1601 by driving the small motor 1601, and in the rotating process of the reciprocating screw 1602, the heat conducting box 1603 in threaded connection can be driven to stably reciprocate in the sliding groove 1616, at the moment, under the reciprocating action of the heat conducting box 1603, the rotating shaft 1605 can be driven to reciprocate through the supporting plate 1604, when the rotating shaft 1605 moves towards the side far from the end part of the hauling rope 1608, the rotating shaft 1605 on the fixed coil 1607 can be driven to automatically rotate through the traction of the hauling rope 1608, and when the rotating shaft 1605 moves towards the side near the end part of the hauling rope 1608, the rotating shaft 1605 can be driven to automatically rotate reversely under the elastic action of the scroll spring 1609 in the limiting frame 1610, in this way, in the process of reciprocating the rotating shaft 1605, automatic stable reciprocating rotation can be performed, at this time, under the action of reciprocating motion and reciprocating rotation of the rotating shaft 1605, the small fan blade 1606 can be driven to perform automatic stable reciprocating motion and reciprocating rotation, meanwhile, in the process of rotating the rotating shaft 1605, the transmission shaft 1613 can be driven to perform automatic stable reciprocating rotation in the heat conducting box 1603 through meshing driving of the first bevel gear 1611 and the second bevel gear 1612, the cooling liquid in the heat conducting box 1603 can be continuously stirred by matching with each stirring blade 1614, the cooling liquid in the heat conducting box 1603 can be uniformly and efficiently refrigerated by combining with the refrigerating plate 1615, meanwhile, the air around the small fan blade 1606 can be efficiently refrigerated by combining with the heat conducting box 1603 and the heat transfer principle, and the rotation of the small fan blade 1606 can be matched, the refrigerated air can be automatically pushed to each cell 13 through the filter screen plate 1617, so that automatic and efficient energy-saving cooling work can be carried out on each cell 13, the stability of the long-time working state of the cell 13 can be further ensured, the cell 13 is prevented from being overheated and damaged, the heat dissipation performance of the battery module is effectively enhanced, and the service life of the battery module is prolonged;

and in the working process of the battery cells 13, when one battery cell 13 breaks down to cause fire, under the combined action of the first partition plate 2 and the second partition plate 22, the flame can be effectively prevented from causing adverse effects on other battery cells 13, meanwhile, flame generated by the battery cell 13 faults or burning is fused through the connecting frame 303 and the rubber pad 305 attached to the battery cell 13, at the moment, dry powder 304 in the connecting frame 303 can automatically scatter to the battery cell 13, and the dry powder 304 can be blown to the positions of the fault battery cells 13 by matching with the rotation of the small fan blades 1606, so that timely automatic fire extinguishing work can be performed on the battery cells 13, and adverse effects on other battery cells 13 caused by the fault battery cells 13 are avoided.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.

Claims

1. The utility model provides a battery module, includes end cover (1), mounting panel (6) and curb plate (20), its characterized in that: the utility model discloses a cooling device, including end cover (1) and air vent valve, first division board (2) of fixedly connected with on end cover (1) and second division board (22), second division board (22) fixedly connected with is in on first division board (2), install buffering protection subassembly (3) on first division board (2), fixedly connected with locating piece (4) on first division board (2), draw-in groove (5) have been seted up on locating piece (4), locating slot (7) have been seted up in mounting panel (6), locating piece (4) block connection is in locating slot (7), accomodate groove (8) have been seted up on mounting panel (6), accomodate groove (8) in fixedly connected with first spring (9), the other end fixedly connected with joint board (10) of first spring (9), fixedly connected with fixed plate (11) and kelly (12) on joint board (10), kelly (12) block connection are in draw-in groove (5), be provided with electric core (13) in end cover (1), be provided with constant head tank (7) in (13), be provided with electric lug (14) block (16) in the electricity-saving connection has a leading to have a medium (17) in the cooling device, the guide rod (17) is internally and fixedly connected with a second spring (18), the other end of the second spring (18) is fixedly connected with a stop block (19), the stop block (19) is in limit sliding connection in the guide rod (17), a guide groove (21) is formed in the side plate (20) in a penetrating mode, and the guide rod (17) is connected in the guide groove (21) in a clamping mode;

the buffer protection assembly (3) comprises a damping cylinder (301) and a damping spring (302), one end of the damping cylinder (301) and one end of the damping spring (302) are fixedly connected to the first partition plate (2), the other end of the damping cylinder (301) and the other end of the damping spring (302) are fixedly connected to a connecting frame (303), the damping spring (302) is sleeved on the damping cylinder (301), dry powder (304) is filled in the connecting frame (303), and a rubber pad (305) is fixedly connected to the connecting frame (303);

the connecting frame (303) is made of tin plates, the damping cylinders (301) are inclined, the damping cylinders (301) are symmetrically distributed on the two sides of the top and the two sides of the bottom of the battery cell (13), the damping cylinders (301) are in one-to-one correspondence with the connecting frame (303), the damping cylinders (301) are fixed at the middle part of the connecting frame (303), and the cross section of the connecting frame (303) is isosceles trapezoid;

the energy-saving cooling assembly (16) comprises a chute (1616), the chute (1616) is arranged in the mounting plate (6), a small motor (1601) is arranged at the inner side end of the chute (1616), the output end of the small motor (1601) is connected with a reciprocating screw rod (1602), the other end of the reciprocating screw rod (1602) is rotationally connected with the other end of the inside of the chute (1616), a heat conducting box (1603) is connected onto the reciprocating screw rod (1602) in a threaded manner, the heat conducting box (1603) is in limiting sliding connection in the chute (1616), the reciprocating screw rod (1602) is connected to the middle part of the heat conducting box (1603), and the upper end face and the lower end face of the heat conducting box (1603) are respectively attached to the upper end face and the lower end face of the inside of the chute (1616);

the utility model discloses a heat conduction box, including heat conduction box (1603), tip, fixed coil (1607), tip end of hauling rope (1608) are fixed on connecting support plate (1604), tip end of spiral spring (1609) is fixed on connecting support plate (1604), rotation connection has axis of rotation (1605) on support plate (1604), fixedly connected with is miniature flabellum (1606), fixed coil (1607) and first bevel gear (1611) on axis of rotation (1605), fixed connection is in on support plate (1605), the outer end of spiral spring (1609) is fixed connection in spacing frame (1610), spacing frame (1610) is fixed connection is in on support plate (1604), support plate (1604) symmetric distribution is in the both sides middle part of heat conduction box (1603), tip end of spiral spring (1605) symmetric distribution is in upper and lower both sides of support plate (1604).

2. The battery module according to claim 1, wherein: the first division plate (2) and the second division plate (22) are equally spaced on the end cover (1), the first division plate (2) is perpendicular to the second division plate (22), the first division plate (2) and the second division plate (22) are alternately distributed, the second division plate (22) is fixed at the middle part of the first division plate (2), the first division plate (2) and the end cover (1) are integrally arranged, the end face of the first division plate (2) is parallel and level with the end face of the second division plate (22), and the first division plate (2) and the second division plate (22) are mutually attached to the mounting plate (6).

3. The battery module according to claim 1, wherein: the positioning blocks (4) are symmetrically distributed on two sides of the end part of the first partition plate (2), the positioning blocks (4) are in one-to-one correspondence with the positioning grooves (7), the fixing plates (11) are fixed on the middle part of the connecting plate (10), and the first springs (9) are fixed on the middle part of the side ends of the connecting plate (10).

4. The battery module according to claim 1, wherein: the utility model discloses a heat conduction box, including first conical gear (1611), second conical gear (1612) is connected with in the meshing, fixedly connected with transmission shaft (1613) on second conical gear (1612), transmission shaft (1613) rotate and connect in heat conduction box (1603), fixedly connected with stirring leaf (1614) on transmission shaft (1613), install refrigeration piece (1615) on heat conduction box (1603), fixedly connected with filter screen plate (1617) on mounting panel (6), stirring leaf (1614) equidistance distributes the both sides of transmission shaft (1613), refrigeration piece (1615) symmetric distribution is in the both sides of heat conduction box (1603), filter screen plate (1617) equidistance distributes the both sides of mounting panel (6), the central axis of filter screen plate (1617) with the central axis of electric core (13) is located same vertical central line.

5. The battery module according to claim 1, wherein: guide way (21) symmetric distribution is in the both sides middle part of curb plate (20), each laminating between curb plate (20) and end cover (1), first division board (2) and mounting panel (6), guide way (21) with guide bar (17) one-to-one, the length of guide bar (17) is greater than the degree of depth of guide way (21), second spring (18) symmetric distribution is in inside both sides of guide bar (17), second spring (18) with dog (19) one-to-one, the tip transversal of dog (19) is right trapezoid.