CN213959006U - Commercial energy storage is with many strings of lithium ion battery group that have a protection shield - Google Patents

Commercial energy storage is with many strings of lithium ion battery group that have a protection shield Download PDF

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Publication number
CN213959006U
CN213959006U CN202023184586.1U CN202023184586U CN213959006U CN 213959006 U CN213959006 U CN 213959006U CN 202023184586 U CN202023184586 U CN 202023184586U CN 213959006 U CN213959006 U CN 213959006U
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CN
China
Prior art keywords
groove
block
clamping
lithium ion
energy storage
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CN202023184586.1U
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Chinese (zh)
Inventor
王海阳
郝福利
郜国伟
李新蒙
武兴华
陈火明
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Wuhan Pengchuang Lithium Technology Co ltd
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Wuhan Pengchuang Lithium Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a commercial energy storage is with having a cluster lithium ion battery group of protection shield, including the battery case, battery case top is through first draw-in groove and battery cover joint, the both sides of battery cover inner wall are all fixedly connected with fixed establishment, two fixed establishment pass through the fixture block respectively with the both sides joint of protection shield, two fixed establishment by fixed block, second draw-in groove, spring groove, return spring, slider, trapezoidal kelly, slide bar groove, slide bar and regulating block constitute, the top of protection shield passes through the card post and the heat-conducting plate joint, the middle part of heat-conducting plate top is fixedly connected with a plurality of radiating fins, the utility model relates to a commercial energy storage is with having a cluster lithium ion battery group of protection shield, through the cooperation of fixed establishment, fixed block, second draw-in groove, spring groove, return spring, slider, trapezoidal kelly, slide bar groove, slide bar, regulating block and fixture, the protection plate is convenient to mount and dismount, and heat is dissipated for the protection plate through the protection plate, the clamping columns, the heat conducting plate and the radiating fins.

Description

Commercial energy storage is with many strings of lithium ion battery group that have a protection shield
Technical Field
The utility model relates to a many strings of lithium ion battery group equipment technical field specifically is a commercial energy storage is with many strings of lithium ion battery group that has the protection shield.
Background
In the prior art, the most closely related to the energy storage of users is a commercial multi-string lithium ion battery pack for energy storage.
In practical application, a plurality of strings of lithium ion battery packs for commercial energy storage need to be provided with protection plates to protect the battery packs, the lithium ion battery protection plates are used for charge and discharge protection of the lithium ion battery packs connected in series, the charging effect under a series charging mode can be effectively improved, overvoltage, undervoltage, overcurrent, short circuit and over-temperature states of each single battery in the battery packs are detected, and the service lives of the batteries are protected and prolonged.
The existing commercial multi-string lithium ion battery pack for energy storage generates some new requirements when in use, one of which is as follows: the existing battery pack mostly adopts metal screws to connect the protection board with the battery cover, and the metal screws have conductivity, so that the short circuit and failure of the protection board are easily caused, and the installation and the disassembly are very inconvenient; the second step is as follows: the protection board radiating effect among the current group battery is poor, and the long-time work of protection board can produce a large amount of heats, and a large amount of heats pile up on the protection board, damages the electronic component on the protection board easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a commercial energy storage is with having many strings of lithium ion battery group of protection shield to solve the existing battery group that proposes in the above-mentioned background art and adopt the metal screw to connect protection shield and battery cover more, and the metal screw has conductivity, lead to the short circuit and the inefficacy of protection shield easily and install and dismantle very inconveniently; the protection board radiating effect among the current group battery is poor, and the long-time work of protection board can produce a large amount of heats, and a large amount of heats pile up on the protection board, damages the problem of the electronic component on the protection board easily.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-string lithium ion battery pack with a protection plate for commercial energy storage comprises a battery shell, wherein a battery core is fixedly arranged in an inner cavity of the battery shell, first clamping grooves are formed in two sides of the top end of the battery shell and are respectively clamped with two sides of the bottom end of a battery cover, fixing mechanisms are fixedly connected to two sides of the inner wall of the battery cover and are respectively clamped with two sides of the protection plate through clamping blocks, each fixing mechanism consists of a fixing block, a second clamping groove, a spring groove, a return spring, a sliding block, a trapezoidal clamping rod, a sliding rod groove, a sliding rod and an adjusting block, the second clamping groove is formed in one side of the fixing block, the spring groove is formed in the bottom of the second clamping groove, the return spring is fixedly connected to the inner cavity of the spring groove, one end of the return spring is fixedly connected with one end of the sliding block, and the other end of the sliding block is fixedly connected with one end of the trapezoidal clamping rod, the other end of trapezoidal kelly passes through the block joint and is connected with the fixture block, one side of slider and the one end fixed connection of slide bar, the other end of slide bar passes slide bar groove and regulating block fixed connection, the top of protection shield is through card post and heat-conducting plate joint, a plurality of radiating fin of middle part fixedly connected with on heat-conducting plate top.
As a preferred technical scheme of the utility model, the heat-conducting plate is protruding type structure down, just the bottom of heat-conducting plate contacts with the top of protection shield.
As a preferred technical scheme of the utility model, the bottom avris fixedly connected with stopper of slider.
As an optimized technical scheme of the utility model, the slide bar groove is seted up in one side of spring groove.
As an optimal technical scheme of the utility model, second draw-in groove and spring groove communicate each other, just spring groove and slide bar groove do not set up at same horizontal plane.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the matching of the fixing mechanism, the fixing block, the second clamping groove, the spring groove, the return spring, the sliding block, the trapezoidal clamping rod, the sliding rod groove, the sliding rod, the adjusting block and the clamping block, the fixing mechanism is arranged on two sides of the inner wall of the battery cover, the clamping block is arranged on two sides of the protective plate, the clamping block is inserted into the second clamping groove, the trapezoidal clamping rod in the second clamping groove is extruded towards the direction of the sliding block under the extrusion of the clamping block, the return spring is extruded while the trapezoidal clamping rod is extruded, when the trapezoidal clamping rod meets a clamping opening formed in the clamping block, the extrusion met by the clamping block disappears, the trapezoidal clamping rod returns under the action of the return spring so as to be clamped with the clamping block, the protective plate is fixed, when the protective plate needs to be disassembled, the adjusting block slides, the sliding of the adjusting block drives the sliding rod to slide, the sliding of the sliding block and the trapezoidal clamping rod is driven by the sliding of the sliding rod, so that the trapezoidal clamping rod slides out of the clamping opening on the clamping block, thereby completing the disassembly.
2. Through the cooperation of protection shield, card post, heat-conducting plate and radiating fin, the protection shield has the heat-conducting plate through card post joint, the bottom of heat-conducting plate and the top contact of protection shield to give radiating fin with the heat conduction that the protection shield produced, and radiating fin dispels the heat to the heat-conducting plate through the mode of carrying out the replacement with the ambient air again, thereby reaches the radiating purpose for the protection shield.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of the present invention;
fig. 3 is a cross-sectional view of the securing mechanism of the present invention;
fig. 4 is a schematic structural diagram of the protection plate of the present invention.
In the figure: 1. a battery case; 2. a battery cell; 3. a first card slot; 4. a battery cover; 5. a protection plate; 6. a fixing mechanism; 7. a fixed block; 8. a second card slot; 9. a spring slot; 10. a return spring; 11. a slider; 12. a trapezoidal clamping rod; 13. a slide bar slot; 14. a slide bar; 15. an adjusting block; 16. a clamping block; 17. clamping the column; 18. a heat conducting plate; 19. and (4) radiating fins.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a commercial energy storage multi-string lithium ion battery pack with a protection plate, which comprises a battery shell 1, a battery core 2 is fixedly arranged in the inner cavity of the battery shell 1, first clamping grooves 3 are respectively arranged on both sides of the top end of the battery shell 1, two first clamping grooves 3 are respectively clamped with both sides of the bottom end of a battery cover 4, fixing mechanisms 6 are respectively fixedly connected with both sides of the inner wall of the battery cover 4, the two fixing mechanisms 6 are respectively clamped with both sides of the protection plate 5 through clamping blocks 16, each of the two fixing mechanisms 6 is composed of a fixing block 7, a second clamping groove 8, a spring groove 9, a return spring 10, a slide block 11, a trapezoidal clamping rod 12, a slide rod groove 13, a slide rod 14 and an adjusting block 15, the second clamping groove 8 is arranged on one side of the fixing block 7, the bottom of the second clamping groove 8 is provided with a spring groove 9, the inner cavity of the spring groove 9 is fixedly connected with the return spring 10, one end of a return spring 10 is fixedly connected with one end of a sliding block 11, the other end of the sliding block 11 is fixedly connected with one end of a trapezoidal clamping rod 12, the other end of the trapezoidal clamping rod 12 is connected with a clamping block 16 in a clamping mode through a clamping opening, one side of the sliding block 11 is fixedly connected with one end of a sliding rod 14, the other end of the sliding rod 14 penetrates through a sliding rod groove 13 and is fixedly connected with an adjusting block 15, the top end of a protection plate 5 is clamped with a heat conduction plate 18 through a clamping column 17, and the middle of the top end of the heat conduction plate 18 is fixedly connected with a plurality of radiating fins 19.
Preferably, the heat conducting plate 18 is of a downward-convex structure, the bottom end of the heat conducting plate 18 is in contact with the top end of the protection plate 5, the heat conducting plate 18 is in contact with the top end of the protection plate 5 to help the protection plate 5 to transfer heat to the radiating fins 19, and then the heat is radiated through the radiating fins 19;
preferably, the side of the bottom end of the sliding block 11 is fixedly connected with a limiting block, and the limiting block prevents the sliding block 11 from sliding out of the spring groove 9;
preferably, the sliding rod groove 13 is formed in one side of the spring groove 9, and the sliding rod 14 can conveniently slide under the action of the adjusting block 15 through the sliding rod groove 13, so that the sliding block 11 can be adjusted;
preferably, the second locking groove 8 and the spring groove 9 are communicated with each other, and the spring groove 9 and the slide bar groove 13 are not arranged on the same horizontal plane.
When the lithium ion battery pack with the protection plate is used for commercial energy storage, the fixing mechanisms 6 are arranged on two sides of the inner wall of the battery cover 4, the clamping blocks 16 are arranged on two sides of the protection plate 5, the clamping blocks 16 are inserted into the second clamping grooves 8, the trapezoidal clamping rods 12 in the second clamping grooves 8 are extruded towards the direction of the sliding blocks 11 under the extrusion of the clamping blocks 16, the trapezoidal clamping rods 12 extrude the return springs 10 simultaneously, when the trapezoidal clamping rods 12 meet clamping ports formed in the clamping blocks 16, the extrusion met by the clamping blocks 16 disappears, the trapezoidal clamping rods 12 return under the action of the return springs 10 to be clamped with the clamping blocks 16 to fix the protection plate 5, when the protection plate needs to be disassembled, the adjusting blocks 15 slide, the sliding of the adjusting blocks 15 drives the sliding rod 14 to slide, the sliding of the sliding blocks 11 and the trapezoidal clamping rods 12 is driven by the sliding of the sliding rod 14, make trapezoidal kelly 12 follow the interior roll-off of block mouth on the fixture block 16 to accomplish the dismantlement, protection shield 5 has heat-conducting plate 18 through the joint of card post 17, and the bottom of heat-conducting plate 18 contacts with the top of protection shield 5, thereby conducts the heat that protection shield 5 produced for radiating fin 19, and radiating fin 19 dispels the heat to heat-conducting plate 18 through the mode of carrying out the replacement with the outside air again, thereby reaches for the radiating purpose of protection shield 5.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. A commercial energy storage is with many strings of lithium ion battery group that has protection shield, includes battery case (1), its characterized in that: the battery comprises a battery shell (1), a battery core (2) is fixedly arranged in an inner cavity of the battery shell (1), first clamping grooves (3) are formed in two sides of the top end of the battery shell (1), the two first clamping grooves (3) are respectively clamped with two sides of the bottom end of a battery cover (4), fixing mechanisms (6) are fixedly connected to two sides of the inner wall of the battery cover (4), the two fixing mechanisms (6) are respectively clamped with two sides of a protection plate (5) through clamping blocks (16), each fixing mechanism (6) consists of a fixing block (7), a second clamping groove (8), a spring groove (9), a return spring (10), a sliding block (11), a trapezoidal clamping rod (12), a sliding rod groove (13), a sliding rod (14) and an adjusting block (15), the second clamping groove (8) is formed in one side of the fixing block (7), the spring groove (9) is formed in the bottom of the second clamping groove (8), inner chamber fixedly connected with return spring (10) in spring groove (9), the one end of return spring (10) and the one end fixed connection of slider (11), the other end of slider (11) and the one end fixed connection of trapezoidal kelly (12), the other end of trapezoidal kelly (12) passes through the block mouth and is connected with fixture block (16) block, the one side of slider (11) and the one end fixed connection of slide bar (14), the other end of slide bar (14) passes slide bar groove (13) and regulating block (15) fixed connection, the top of protection shield (5) is through calorie post (17) and heat-conducting plate (18) joint, a plurality of radiating fin (19) of middle part fixedly connected with on heat-conducting plate (18) top.
2. The multi-string lithium ion battery pack with a protection plate for commercial energy storage according to claim 1, wherein: the heat conduction plate (18) is of a downward convex structure, and the bottom end of the heat conduction plate (18) is in contact with the top end of the protection plate (5).
3. The multi-string lithium ion battery pack with a protection plate for commercial energy storage according to claim 1, wherein: the bottom end side of the sliding block (11) is fixedly connected with a limiting block.
4. The multi-string lithium ion battery pack with a protection plate for commercial energy storage according to claim 1, wherein: the sliding rod groove (13) is arranged on one side of the spring groove (9).
5. The multi-string lithium ion battery pack with a protection plate for commercial energy storage according to claim 1, wherein: the second clamping groove (8) is communicated with the spring groove (9), and the spring groove (9) and the sliding rod groove (13) are not arranged on the same horizontal plane.
CN202023184586.1U 2020-12-25 2020-12-25 Commercial energy storage is with many strings of lithium ion battery group that have a protection shield Active CN213959006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023184586.1U CN213959006U (en) 2020-12-25 2020-12-25 Commercial energy storage is with many strings of lithium ion battery group that have a protection shield

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023184586.1U CN213959006U (en) 2020-12-25 2020-12-25 Commercial energy storage is with many strings of lithium ion battery group that have a protection shield

Publications (1)

Publication Number Publication Date
CN213959006U true CN213959006U (en) 2021-08-13

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ID=77194408

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023184586.1U Active CN213959006U (en) 2020-12-25 2020-12-25 Commercial energy storage is with many strings of lithium ion battery group that have a protection shield

Country Status (1)

Country Link
CN (1) CN213959006U (en)

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