CN209804782U - battery module and battery pack - Google Patents
battery module and battery pack Download PDFInfo
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- CN209804782U CN209804782U CN201920922518.9U CN201920922518U CN209804782U CN 209804782 U CN209804782 U CN 209804782U CN 201920922518 U CN201920922518 U CN 201920922518U CN 209804782 U CN209804782 U CN 209804782U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery module and battery package, wherein the battery module includes electric core (10) and flame retardant unit (20), and electric core (10) are including electric core body, casing and pressure relief device, and electric core body and pressure relief device all set up in the casing, and pressure relief device is used for reduce when breaking down in electric core (10) atmospheric pressure in the casing, flame retardant unit (20) are used for produced explosion when pressure relief device explodes break down with to electric core (10) release fire retardant. The battery pack includes a plurality of battery modules. The utility model provides a flame retardant unit can strike and break and release the fire retardant to electric core through the produced explosion of pressure relief device explosion when pressure relief device explodes, and the reaction is rapid, and the ability of putting out a fire is strong, can also reduce the possibility that electric core reburning, is favorable to realizing putting out a fire completely, improves the security performance of battery module.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery module and battery package.
Background
When electric core was used for the energy storage field, need establish ties or parallelly connected a large amount of electric cores and form a battery module, battery PACK is assembled into to the battery module again, assembles battery PACK into the battery cluster again, finally constitutes a complete energy storage unit with the battery cluster, provides the direct current generating line to outside to reach the voltage demand and the electric quantity storage requirement that accord with user side.
Taking 1MW lithium titanate energy storage container as an example, the number of used battery cores can reach thousands, and the number of related battery modules also reaches thousands. In the whole energy storage container, the safety in use of each battery cell can influence the safety of the whole energy storage container. In the prior art, when the problem that the pressure release valve is exploded due to short circuit of a battery cell in an energy storage container is solved, the gas concentration in the container is sensed through a gas sensor, and then a gas type fire extinguishing agent such as heptafluoropropane in the container is started to extinguish the fire. In the mode, the spraying of the fire extinguishing agent can be started when the gas concentration reaches a set condition, and the reaction to the fire is delayed; and when the short circuit appeared, all kinds of collection lines probably caused electric core after combustion again because ageing, electrically conductive phenomenon appear in the corruption of electrolyte, and the total amount and the injection time of gaseous fire extinguishing agent are limited, consequently are difficult to realize putting out a fire completely, may influence other electric cores, and then influence the safety of whole energy storage container.
It is noted that the information disclosed in this background section of the invention is only for enhancement of understanding of the general background of the invention, and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery module and battery package can improve the ability of putting out a fire in the module, is favorable to realizing putting out a fire completely.
In order to achieve the above object, the utility model provides a battery module, include:
The battery cell comprises a battery cell body, a shell and a pressure relief device, wherein the battery cell body and the pressure relief device are arranged in the shell, and the pressure relief device is used for reducing the air pressure in the shell when the battery cell fails; and
And the flame retardant device is used for breaking under the explosion impact generated when the pressure relief device explodes so as to release the flame retardant to the battery cell.
In some embodiments, the battery cell is provided with a pressure relief opening, the pressure relief device is used for opening the pressure relief opening to relieve pressure when the battery cell fails, and the pressure relief device and the flame retardant device are both arranged at the pressure relief opening.
In some embodiments, the flame retardant device comprises:
a container for storing a flame retardant;
The connecting pipe is communicated with the container, and one end of the connecting pipe, which is far away from the container, is provided with an opening facing the pressure relief opening; and
And a sealing cover for closing the opening.
In some embodiments, the flame retardant device includes a plurality of connecting pipes, and a plurality of connecting pipes all communicate with the container, and the battery module includes a plurality of electric cores, and each connecting pipe corresponds one pressure relief opening respectively.
In some embodiments, the battery module further includes a module chassis, the module chassis is provided with a plurality of first grooves, each first groove is provided with a plurality of slots, and the battery cell is installed in the slot.
In some embodiments, the battery module further includes a pressing plate, the pressing plate is disposed on one side of the battery cell away from the module chassis and used for fixing the battery cell, the battery cell is provided with a positive electrode, a negative electrode and a pressure relief opening, and the pressing plate is provided with a first through hole for exposing the positive electrode, a second through hole for exposing the negative electrode and a third through hole for exposing the pressure relief opening.
In some embodiments, the battery module further includes a fixing device for fixing the flame retardant device to the pressure plate.
In some embodiments, the fixing device comprises a clamp seat arranged on one side of the pressure plate far away from the module chassis, and the flame retardant device is arranged on the clamp seat.
In some embodiments, the battery module further comprises a packing belt and a boss, the packing belt is used for packing and fixing the plurality of battery cores, a second groove is formed between the boss and the clamping seat, and the second groove is used for accommodating the packing belt to prevent the packing belt from moving.
In some embodiments, the battery module further includes a circuit board, and a first connection line and a second connection line connected between the battery cell and the circuit board, where the first connection line is used to collect a voltage of the battery cell, and the second connection line is used to collect a resistance of the battery cell.
In some embodiments, a fourth through hole is formed in the pressing plate, the circuit board is disposed in the fourth through hole, and a supporting block is disposed on a hole wall of the fourth through hole and used for supporting the circuit board.
In order to achieve the above object, the present invention also provides a battery pack, which comprises a plurality of the above battery modules.
Based on the technical scheme, the embodiment of the utility model provides an in be equipped with fire retardant unit, fire retardant unit can strike and break through the produced explosion of pressure relief device explosion when pressure relief device explodes, can be to electric core release fire retardant after fire retardant unit breaks to the realization is put out a fire. Compared with the scheme of releasing the gas fire extinguishing agent by detecting the gas concentration in the related technology, the scheme of the embodiment of the utility model starts the flame retardant device by the explosion impact of the pressure relief device, can realize the rapid reaction, does not decide whether to start the flame retardant device according to the gas concentration, and can avoid the potential safety hazard caused when the gas concentration does not reach the set condition; moreover, the mode of flame retardant is released through to electric core to fire-retardant device realizes putting out a fire, can protect electric core more effectively for the mode of jet gas fire extinguishing agent, reduces the possibility that electric core reburning, reduces the requirement to fire extinguishing agent total amount and injection time, improves the fire extinguishing ability in the module, is favorable to realizing putting out a fire completely, improves the security performance of battery module.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
Fig. 1 is a schematic structural diagram of an embodiment of the battery module of the present invention.
Fig. 2 is a schematic structural diagram of an electrical core in an embodiment of the battery module of the present invention.
Fig. 3 is a schematic structural view of a flame retardant device in an embodiment of the battery module of the present invention.
fig. 4 is a schematic structural diagram of a chassis in an embodiment of the battery module of the present invention.
fig. 5 is a schematic structural view of a pressing plate according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a circuit board according to an embodiment of the battery module of the present invention.
in the figure:
10. An electric core; 20. a flame retardant device; 30. a module chassis; 40. pressing a plate; 50. a circuit board; 60. a first connecting line; 70. a second connecting line;
11. A pressure relief port; 12. a positive electrode; 13. a negative electrode;
21. A container; 22. a connecting pipe; 23. a sealing cover;
31. A first groove; 32. a card slot; 33. a third groove;
41. A first through hole; 42. a second through hole; 43. a third through hole; 44. a fourth via hole; 45. a first protective frame; 46. a second protective frame; 47. a card holder; 48. a boss; 49. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used 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 scope of the invention.
as shown in fig. 1, in an embodiment of the battery module provided by the utility model, this battery module includes electric core 10 and flame retardant device 20, and electric core 10 includes electric core body, casing and pressure relief device, and electric core body and pressure relief device all set up in the casing, and pressure relief device is used for reducing the atmospheric pressure in the casing when electric core 10 breaks down, and flame retardant device 20 is used for breaking down in order to release the fire retardant to electric core 10 under the produced explosion impact when pressure relief device explodes.
In this embodiment, the battery module includes fire-retardant device 20, and fire-retardant device 20 can break through the produced explosion impact of pressure relief device explosion when pressure relief device explodes, can release the fire retardant to electric core after the fire-retardant device breaks to realize putting out a fire. Compared with the scheme of releasing the gaseous extinguishing agent by detecting the gas concentration in the related art, the scheme of the embodiment starts the flame retardant device 20 by the explosion impact of the pressure relief device, can realize quick reaction, does not determine whether to start the flame retardant device 20 according to the gas concentration, and can avoid potential safety hazards caused when the gas concentration does not reach the set condition.
Moreover, flame retardant unit 20 realizes putting out a fire through the mode to electric core release fire retardant, can protect electric core more effectively for the mode of jet gas fire extinguishing agent, reduces the possibility that electric core reburning, reduces the requirement to fire extinguishing agent total amount and injection time, improves the fire extinguishing ability in the module, is favorable to realizing putting out a fire completely, improves the security performance of battery module.
As shown in fig. 2, a pressure relief opening 11 is formed in the battery cell 10, the pressure relief device is configured to open the pressure relief opening 11 for pressure relief when the battery cell 10 fails, and the pressure relief device and the flame retardant device 20 are both disposed at the pressure relief opening 11.
Through all setting up pressure relief device and flame retardant unit 20 in pressure relief mouth 11 department, can make flame retardant unit 20 be close to pressure relief device as far as possible to more fast and directly give flame retardant unit 20 with explosion impact transmission when pressure relief device explodes, make flame retardant unit 20 receive can break rapidly and release the fire retardant after explosion impact, improve reaction rate. In addition, the pressure relief device and the flame retardant device 20 are arranged at the pressure relief port 11, and the impact force applied to the flame retardant device 20 can be increased as much as possible, so that a larger area of the battery cell 10 can be covered with the flame retardant after the flame retardant device 20 is broken, and the fire extinguishing range is enlarged.
Alternatively, the pressure relief device is disposed inside the battery cell 10, and the flame retardant device 20 is disposed outside the battery cell 10.
As shown in fig. 3, the flame retardant device 20 includes a container 21, a connecting pipe 22 and a sealing cover 23, the container 21 is used for storing the flame retardant, the connecting pipe 22 is communicated with the container 21, an opening is provided at one end of the connecting pipe 22 far away from the container 21, the opening is arranged towards the pressure relief opening 11, and the sealing cover 23 is used for closing the opening. Before assembly, the container 21 can be filled with the fire retardant by opening the sealing cover 23, and then the sealing cover 23 is covered back after the container is filled with the fire retardant. The pre-installation of the fire retardant can improve the safety performance of the battery module when short circuit occurs.
The flame retardant can be solid powdery flame retardant such as aluminum oxide or zinc oxide.
The container 21 can be made of flexible insulating plastic, and the flexible insulating plastic has the advantages of easy disassembly, difficult damage, convenient maintenance and low cost.
Optionally, the flame retardant device 20 includes a plurality of connecting pipes 22, each of the plurality of connecting pipes 22 is communicated with the container 21, the battery module includes a plurality of battery cells 10, and each connecting pipe 22 corresponds to the pressure relief port 11 on one battery cell 10.
The container 21 is in a long cylindrical shape, one container 21 can be arranged on one group of battery cells 10, one container 21 is connected with a plurality of connecting pipes 22, and the connecting pipes 22 correspond to the pressure relief ports 11 one to one, so that arrangement and installation are facilitated, and the occupied space of the flame retardant device 20 is saved.
as shown in fig. 4, the battery module further includes a module chassis 30, a plurality of first grooves 31 are disposed on the module chassis 30, a plurality of slots 32 are disposed in each first groove 31, and the battery cell 10 is mounted in the slot 32. Through setting up draw-in groove 32, can effectively improve the stability of electric core 10.
As shown in fig. 5, the battery module further includes a pressing plate 40, the pressing plate 40 is disposed on one side of the battery cell 10, which is away from the module chassis 30, and is used for fixing the battery cell 10, the battery cell 10 is provided with a positive electrode 12, a negative electrode 13, and a pressure relief opening 11, and the pressing plate 40 is provided with a first through hole 41 for exposing the positive electrode 12, a second through hole 42 for exposing the negative electrode 13, and a third through hole 43 for exposing the pressure relief opening 11.
Through setting up clamp plate 40, can further stabilize electric core 10, improve the stability of battery module. The first through hole 41, the second through hole 42 and the third through hole 43 arranged on the pressure plate 40 can expose the anode 12, the cathode 13 and the pressure relief port 11 on one hand, so that connection and pressure relief are facilitated; on the other hand, the battery cell 10 may also be positioned through the through holes, so as to prevent the battery cell 10 and the battery cell 10 from moving relatively.
The battery module further includes a fixing means for fixing the flame retardant device 20 to the pressure plate 40.
The form of construction of the fixing device can be varied. In an alternative embodiment, the fixing means comprises a clamp 47 arranged on the side of the pressure plate 40 remote from the module chassis 30, the flame retardant device 20 being mounted on the clamp 47.
As shown in fig. 5, the holder 47 has a C-shape, and the container 21 can be inserted into the holder 47 through an opening of the holder 47. The clamping seat 47 with the structure is simple in structure, good in fixing effect and convenient to mount and dismount.
The circumference of first through-hole 41 is equipped with the first protection frame 45 that is used for protecting positive pole 12, and the circumference of second through-hole 42 is equipped with the second protection frame 46 that is used for protecting negative pole 13, through setting up first protection frame 45 and second protection frame 46, can effectively protect positive pole 12 and negative pole 13, avoids positive pole 12 and negative pole 13 to receive the damage.
the battery module further comprises a packing belt and a boss 48, wherein the packing belt is used for packing and fixing a plurality of battery cores 10, and the plurality of battery cores 10 can be fixed together through the packing belt. A second groove is formed between the boss 48 and the clamping seat 47, and the second groove is used for accommodating the packing belt to prevent the packing belt from moving.
As shown in fig. 6, the battery module further includes a circuit board 50, and by providing the circuit board 50, the connecting lines for connecting the electric cores 10 in parallel or in series can be arranged on the circuit board 50, so that too many cables are prevented from running on the surface of the electric core 10, safety accidents caused by short circuit of the connecting lines are prevented, and safety of the battery module is improved.
the battery module further comprises a first connecting line 60 and a second connecting line 70 connected between the battery cell 10 and the circuit board 50, wherein the first connecting line 60 is used for collecting the voltage of the battery cell 10, the second connecting line 70 is used for collecting the resistance of the battery cell 10, and data such as the temperature and the voltage of the battery cell 10 can be collected in real time for safety monitoring.
the pressing plate 40 is provided with a fourth through hole 44, the circuit board 50 is arranged in the fourth through hole 44, a supporting block 49 is arranged on the hole wall of the fourth through hole 44, and the supporting block 49 is used for supporting the circuit board 50. This arrangement can improve the mounting stability of the circuit board 50.
When the battery module includes a plurality of sets of battery cells 10, the circuit board 50 may be disposed between two sets of battery cells 10, and correspondingly, the fourth through hole 44 on the pressing plate 40 is disposed between two sets of through holes for exposing the positive electrode 12, the negative electrode 13, and the pressure relief opening 11. A third recess 33 may be correspondingly formed in the module chassis 30 to reduce the overall weight or accommodate other components.
The structure and the assembly process of an embodiment of the battery module of the present invention are described in detail below with reference to the accompanying drawings 1 to 6:
As shown in fig. 1, in this embodiment, the battery module further includes a battery cell 10, a flame retardant device 20, a module chassis 30, a pressure plate 40, a circuit board 50, a first connection line 60, and a second connection line 70.
The battery module comprises 8 battery cells 10, and each 4 battery cells 10 are a group, and the total number of the groups is 2. Each set of cells 10 is provided with a flame retardant device 20.
As shown in fig. 2, each cell 10 is provided with a pressure relief port 11, a positive electrode 12 and a negative electrode 13. A pressure relief device is arranged in the battery cell 10 and is arranged at the pressure relief opening 11.
as shown in fig. 3, the fire-retardant device 20 includes a container 21, a connection pipe 22, and a sealing cover 23. And 4 connecting pipes 22 are connected to 1 container 21 and respectively correspond to 4 pressure relief ports 11 on 4 battery cells 10. The connecting tube 22 opens toward the pressure relief port 11.
As shown in fig. 4, two first grooves 31 are disposed on the module chassis 30, each first groove 31 is provided with 4 slots 32, and 8 battery cells are respectively mounted in 8 slots 32 of the two first grooves 31. The circumferential groove walls of the first groove 31 and the clamping groove 32 can limit and fix the battery cell 10. A third groove 33 is provided between the two first grooves 31.
as shown in fig. 5, a fourth through hole 44 is disposed in the middle of the pressing plate 40, 4 first through holes 41, 4 second through holes 42, and 4 third through holes 43 are disposed on the left side of the fourth through hole 44, and the positive electrodes 12 of the 4 battery cells 10 can be exposed through the 4 first through holes 41; the cathodes 13 of the 4 battery cells 10 can be exposed through the 4 second through holes 42; the pressure relief port 11 of the 4 battery cells 10 can be exposed through the 4 third through holes 43, and the connection pipe 22 of the flame retardant device 20 is inserted into the third through hole 43 so as to be close to the pressure relief port 11 and the pressure relief device.
The circumference of first through-hole 41 is equipped with first protection frame 45, and the circumference of second through-hole 42 is equipped with second protection frame 46, and the outside of two third through-holes 43 that are located the both sides of clamp plate 40 is equipped with cassette 47 and boss 48 respectively, forms the second recess between boss 48 and the cassette 47, and the packing area can pass the second recess, prevents the drunkenness.
the cassette 47 and the boss 48 are both provided on the upper surface of the pressure plate 40. The holder 47 is C-shaped with the opening facing the right side. A supporting block 49 for supporting the circuit board 50 is provided in the fourth through hole 44.
The right side and the left side of the fourth through hole 44 are symmetrical, and are also provided with 4 first through holes 41, 4 second through holes 42 and 4 third through holes 43, a first protection frame 45 is arranged in the circumferential direction of the first through hole 41, a second protection frame 46 is arranged in the circumferential direction of the second through hole 42, and the outer sides of the two third through holes 43 positioned at the two sides of the pressing plate 40 are respectively provided with a clamping seat 47 and a boss 48.
as shown in fig. 6, the circuit board 50 is provided with a plurality of connectors for connecting the positive electrodes 12 or the negative electrodes 13 of the plurality of battery cells 10, so as to implement parallel connection or series connection of the plurality of battery cells 10. The first connection line 60 is used to collect the voltage of the cell 10, and the second connection line 70 is used to collect the resistance of the cell 10.
The assembly steps are as follows:
(1) Firstly, respectively placing 8 battery cores 10 in 8 clamping grooves 32;
(2) Pressing the pressing plate 40 on the upper parts of the battery cores 10, fixing the 8 battery cores 10, and exposing the positive electrodes 12, the negative electrodes 13 and the pressure relief ports 11 on the battery cores 10;
(3) next, the assembled battery cell 10 is placed on a welding table, aluminum bars are welded at the positive electrode 12 and the negative electrode 13 of the battery cell 10, so that the battery module becomes a 4P2S module (namely, every 4 battery cells 10 are connected in parallel into groups, and two groups are connected in series), and then a 4P2S module is fixed by using a packing belt;
(4) Opening the sealing cover 23, putting the fire retardant into the container 21 from the opening of the connecting pipe 22, then screwing the sealing cover 23, then installing the flame retardant device 20 on the clamping seat 47 of the pressing plate 40, inserting the connecting pipe 22 into the third through hole 43 of the pressing plate 40, and ensuring that the flame retardant device 20 is positioned at the upper part of the pressure relief device;
(5) then, the circuit board 50 is fixed in the fourth through hole 44 of the pressing plate 40, and the battery cell 10 is connected with the circuit board 50 by using the first connecting wire 60 and the second connecting wire 70, so as to collect voltage and resistance, thereby obtaining a battery module with simple structure and good stability. When meeting with the outside short circuit and leading to the pressure relief device explosion, flame retardant device 20 is owing to receive the opening of powerful impact and lead to connecting pipe 22 to break to spray the fire retardant to the surface of battery module, realize the fire extinguishing effect, can also reduce the possibility that electric core reburning, promote the security performance of battery.
Through the description of a plurality of embodiments of the battery module, the battery module of the utility model has the advantages that the embodiment of the battery module is provided with the flame retardant device at the pressure relief port provided with the pressure relief device, so that the flame retardant powder can be released when the pressure relief device explodes, the fire extinguishing effect can be realized, the problem of electrolyte leakage when the short circuit occurs in the battery cell can be reduced, the possibility of re-burning can be reduced, and the complete fire extinguishing can be realized; the module has simple structure, easy assembly and good stability; the circuit board is adopted to replace a connecting wire, so that the combustion-supporting reaction of the connecting wire harness in subsequent safety accidents is greatly reduced, and the safety is improved.
Based on foretell battery module, the utility model discloses still provide a battery package, this battery package includes a plurality of foretell battery modules. The positive technical effects of the battery module in the above embodiments are also applicable to the battery pack, and are not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (12)
1. A battery module, comprising:
The battery cell comprises a battery cell (10) and a pressure relief device, wherein the battery cell body and the pressure relief device are arranged in the shell, and the pressure relief device is used for reducing air pressure in the shell when the battery cell (10) breaks down; and
And the flame retardant device (20) is used for breaking under the explosion impact generated when the pressure relief device explodes so as to release the flame retardant to the battery cell (10).
2. The battery module according to claim 1, wherein the battery core (10) is provided with a pressure relief opening (11), the pressure relief device is used for opening the pressure relief opening (11) to relieve pressure when the battery core (10) fails, and the pressure relief device and the flame retardant device (20) are both arranged at the pressure relief opening (11).
3. The battery module according to claim 2, wherein the flame retardant device (20) comprises:
A container (21) for storing the flame retardant;
The connecting pipe (22) is communicated with the container (21) and an opening facing the pressure relief opening (11) is formed in one end, far away from the container (21), of the connecting pipe; and
a sealing cover (23) for closing the opening.
4. The battery module according to claim 3, wherein the flame retardant device (20) comprises a plurality of connecting pipes (22), the connecting pipes (22) are all communicated with the container (21), the battery module comprises a plurality of battery cells (10), and each connecting pipe (22) corresponds to one pressure relief opening (11).
5. The battery module according to claim 1, further comprising a module chassis (30), wherein a plurality of first grooves (31) are formed in the module chassis (30), a plurality of clamping grooves (32) are formed in each first groove (31), and the battery cells (10) are mounted in the clamping grooves (32).
6. the battery module according to claim 5, further comprising a pressing plate (40), wherein the pressing plate (40) is disposed on one side of the battery core (10) away from the module chassis (30) and used for fixing the battery core (10), the battery core (10) is provided with a positive electrode (12), a negative electrode (13) and a pressure relief opening (11), and the pressing plate (40) is provided with a first through hole (41) for exposing the positive electrode (12), a second through hole (42) for exposing the negative electrode (13) and a third through hole (43) for exposing the pressure relief opening (11).
7. The battery module according to claim 6, further comprising fixing means for fixing the flame retardant means (20) to the pressure plate (40).
8. the battery module according to claim 7, wherein the fixing means comprises a holder (47) provided on a side of the pressure plate (40) remote from the module chassis (30), the flame retardant means (20) being mounted on the holder (47).
9. The battery module according to claim 8, further comprising a packing belt and a boss (48), wherein the packing belt is used for packing and fixing a plurality of the battery cells (10), a second groove is formed between the boss (48) and the clamping seat (47), and the second groove is used for accommodating the packing belt to prevent the packing belt from moving.
10. the battery module according to claim 6, further comprising a circuit board (50), and a first connection line (60) and a second connection line (70) connected between the battery cell (10) and the circuit board (50), wherein the first connection line (60) is used for collecting the voltage of the battery cell (10), and the second connection line (70) is used for collecting the resistance of the battery cell (10).
11. The battery module according to claim 10, wherein a fourth through hole (44) is formed in the pressing plate (40), the circuit board (50) is disposed in the fourth through hole (44), and a supporting block (49) is formed on a hole wall of the fourth through hole (44), and the supporting block (49) is used for supporting the circuit board (50).
12. A battery pack comprising a plurality of battery modules according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922518.9U CN209804782U (en) | 2019-06-19 | 2019-06-19 | battery module and battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922518.9U CN209804782U (en) | 2019-06-19 | 2019-06-19 | battery module and battery pack |
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| CN209804782U true CN209804782U (en) | 2019-12-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148694A (en) * | 2019-06-19 | 2019-08-20 | 珠海格力电器股份有限公司 | Battery modules and battery pack |
| CN111682142A (en) * | 2020-06-30 | 2020-09-18 | 上海豫源电力科技有限公司 | Battery pack with fire-fighting function and control method thereof |
| CN112072046A (en) * | 2020-10-19 | 2020-12-11 | 江苏时代新能源科技有限公司 | Battery, electric device, method and equipment for preparing battery |
| CN112086604A (en) * | 2020-10-19 | 2020-12-15 | 江苏时代新能源科技有限公司 | Battery, electric equipment, and method and device for preparing battery |
| WO2022082387A1 (en) * | 2020-10-19 | 2022-04-28 | 江苏时代新能源科技有限公司 | Battery, electrical device, and method and device for preparing battery |
| US11996580B2 (en) | 2020-12-30 | 2024-05-28 | Jiangsu Contemporary Amperex Technology Limited | Battery, power consumption device, and method and device for producing battery |
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2019
- 2019-06-19 CN CN201920922518.9U patent/CN209804782U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148694A (en) * | 2019-06-19 | 2019-08-20 | 珠海格力电器股份有限公司 | Battery modules and battery pack |
| CN111682142A (en) * | 2020-06-30 | 2020-09-18 | 上海豫源电力科技有限公司 | Battery pack with fire-fighting function and control method thereof |
| CN112072046A (en) * | 2020-10-19 | 2020-12-11 | 江苏时代新能源科技有限公司 | Battery, electric device, method and equipment for preparing battery |
| CN112086604A (en) * | 2020-10-19 | 2020-12-15 | 江苏时代新能源科技有限公司 | Battery, electric equipment, and method and device for preparing battery |
| WO2022082387A1 (en) * | 2020-10-19 | 2022-04-28 | 江苏时代新能源科技有限公司 | Battery, electrical device, and method and device for preparing battery |
| CN112072046B (en) * | 2020-10-19 | 2022-12-27 | 江苏时代新能源科技有限公司 | Battery, electric device, method and equipment for preparing battery |
| CN112086604B (en) * | 2020-10-19 | 2023-04-07 | 江苏时代新能源科技有限公司 | Battery, electric equipment, and method and device for preparing battery |
| US11996580B2 (en) | 2020-12-30 | 2024-05-28 | Jiangsu Contemporary Amperex Technology Limited | Battery, power consumption device, and method and device for producing battery |
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