CN115939652B - Lithium iron phosphate battery pack structure - Google Patents
Lithium iron phosphate battery pack structure Download PDFInfo
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- CN115939652B CN115939652B CN202211604671.XA CN202211604671A CN115939652B CN 115939652 B CN115939652 B CN 115939652B CN 202211604671 A CN202211604671 A CN 202211604671A CN 115939652 B CN115939652 B CN 115939652B
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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 invention discloses a lithium iron phosphate battery pack structure which comprises a box body, wherein a module unit is arranged in the box body, an upper pressing plate is arranged above the module unit, and a box cover is arranged at the top of the box body; the module unit comprises two battery modules which are arranged in parallel, and an adjusting support piece is arranged between the two battery modules; the battery module comprises an outer cover plate, wherein heat conducting plates are fixedly connected to two sides of the outer cover plate, heat radiating plates are embedded into two sides of the box body, and a plurality of heat radiating fins which are equidistantly arranged are fixedly connected to one side of each of the two heat radiating plates; according to the invention, the heat conducting plates are arranged on the two sides of the battery module, so that the heat is conveniently discharged in time when the battery module works, the heat is led out by utilizing the structures such as the radiating plates and the radiating fins on the two sides of the box body, and the cooling efficiency of the battery module is improved by matching with the air supply operation of the air supply unit.
Description
Technical Field
The invention relates to the technical field related to lithium battery pack structures, in particular to a lithium iron phosphate battery pack structure.
Background
The lithium battery has the advantages of high working voltage, large specific energy, small volume, light weight, long cycle life, low self-discharge rate, no memory effect, no pollution and the like. Among lithium ion batteries, lithium iron phosphate batteries are better, the safety is high, the cycle times of the batteries can be more, the discharge is stable, the batteries can be rapidly charged, and the batteries do not contain heavy metals and are nontoxic and environment-friendly.
In the existing energy storage battery, the battery pack is directly installed and fixed in a battery compartment in a shell of the energy storage battery, and the battery pack is not locked, so that the installation stability of the battery pack is not enough; in addition, in the use process of the battery, the risk of combustion and explosion is easily generated due to overhigh temperature or accidental collision, and a large potential safety hazard exists, so that improvement is necessary.
Disclosure of Invention
The invention aims to provide a lithium iron phosphate battery pack structure for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the lithium iron phosphate battery pack structure comprises a box body, wherein a module unit is arranged in the box body, an upper pressing plate is arranged above the module unit, and a box cover is arranged at the top of the box body; the module unit comprises two battery modules which are arranged in parallel, an adjusting support piece is arranged between the two battery modules, and the adjusting support piece is used for supporting and limiting the two battery modules; the battery module comprises an outer cover plate, heat conducting plates are fixedly connected to two sides of the outer cover plate, heat radiating plates are embedded into two sides of the box body, a plurality of heat radiating fins which are equidistantly distributed are fixedly connected to one side of the heat radiating plates, a front cover plate is arranged at one end of the box body, and a heat radiating and air supplying unit is arranged at the other end of the box body.
As a further scheme of the invention: the battery cell detection and alarm device comprises an outer cover plate, wherein a plurality of battery cells which are equidistantly distributed are arranged in the outer cover plate, a detection and alarm mechanism for detecting the battery cells is arranged on one side of the inner wall of the outer cover plate, the detection and alarm mechanism comprises a pushing block, a through groove is formed in the middle of the pushing block, an induction plate is connected to the inner wall of the through groove in a sliding mode, a contact rod is fixedly connected to one side of the induction plate, a buzzer is fixedly installed at one end of the inner wall of the through groove, a pressing switch is fixedly installed on one side, close to the contact rod, of the buzzer, a plurality of pushing springs are fixedly connected to the edge of the contact rod, and the induction plate is in contact with the battery cells in a fitting mode under the action of the pushing springs; the middle part of the induction plate is embedded with a temperature sensor, and the temperature sensor and the pressing switch are electrically connected with the buzzer.
As a further scheme of the invention: a plurality of butt joint grooves are formed in one side of each of the two heat conducting plates which are far away from each other, a plurality of butt joint blocks are fixedly connected to one side of each of the two heat radiating plates, which is close to the heat conducting plates, and the butt joint grooves are connected with the butt joint blocks in a clamping mode.
As a further scheme of the invention: the middle part of top board downwards protrudes to set up and forms the pushing and pressing portion, the bottom fixedly connected with of top board bulldozes the pad, the equal fixedly connected with bearing plate in both sides of box inner wall, the both ends of top board respectively with the top laminating contact of two bearing plates, the upper thread has all been seted up to the both ends of top board and the top of two bearing plates.
As a further scheme of the invention: the heat dissipation air supply unit includes the air supply frame, the middle part fixedly connected with ventilation fan of air supply frame, middle part ventilation groove has been seted up to the one end of box inner wall, the side ventilation groove has all been seted up to the both sides in middle part ventilation groove, the middle part ventilation groove corresponds the setting with adjusting support piece, and two side ventilation grooves correspond the setting with two heating panels respectively.
As a further scheme of the invention: the adjusting support piece comprises two supporting plates which are symmetrically arranged, the bottoms of the two supporting plates are all inclined inwards, one of the supporting plates is connected with a rotating rod in a rotating mode, one end of the rotating rod is fixedly connected with an adjusting sleeve, one end of the inner wall of the adjusting sleeve is connected with a threaded rod in a threaded mode, and one end of the threaded rod is fixedly connected with one side of the other supporting plate.
As a further scheme of the invention: the utility model discloses a butt joint slide, including upper pressure plate, box top, butt joint slide, box top, butt joint piece, two equal fixedly connected with butt joint slide of both sides of upper pressure plate bottom, two the butt joint slide has all been seted up at the middle part of butt joint slide, two a plurality of butt joint screw has all been seted up at the middle part of butt joint piece and the middle part of two butt joint slide.
As a further scheme of the invention: the assembly groove has all been seted up to the one end of box both sides, the inner wall sliding connection of assembly groove has the installation otic placode, the locking groove has been seted up at the middle part of installation otic placode, the inner wall threaded connection of locking groove has the locking bolt, the installation screw that a plurality of equidistance was arranged has been seted up to one side of installation otic placode.
As a further scheme of the invention: the middle part fixedly connected with handle of front bezel, one side fixed mounting of front bezel has the joint panel, fixed mounting has signal socket and output socket on the joint panel, the opposite side fixedly connected with of front bezel supports and pushes away the pad, the one end fixedly connected with installation symmetry that the box inner wall is close to the front bezel sets up the apron mounting panel, the apron mounting hole has all been seted up on front bezel and the apron mounting panel.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the heat conducting plates are arranged on the two sides of the battery module, so that the heat is conveniently discharged in time when the battery module works, the heat is conducted out by utilizing the structures such as the radiating plates and the radiating fins on the two sides of the box body, and the cooling efficiency of the battery module is improved by matching with the air supply operation of the air supply unit;
according to the invention, the two battery modules are supported by arranging the supporting plates with adjustable spacing, and the spacing between the two supporting plates is adjusted by utilizing the rotation of the adjusting sleeve, so that the adjusting supporting piece can meet the requirements of supporting and limiting the battery modules with different sizes and models; meanwhile, the two support plates guide the heat emitted by the heat conducting plate, and a gap formed between the two support plates is aligned with the middle ventilation groove, so that the air circulation and heat emission efficiency are further improved;
according to the invention, by arranging the combination of the butt joint block and the butt joint groove, stable heat transfer between the heat conducting plate and the heat radiating plate is realized, and meanwhile, the mutual sliding between the heat conducting plate and the heat radiating plate is avoided, and the mounting stability between the battery module and the box body is improved by matching the structures of the upper pressing plate, the adjusting support piece and the like.
Drawings
FIG. 1 is a schematic diagram of an exploded construction of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a schematic view of the structure of the case of the present invention;
FIG. 4 is a cross-sectional view of the structure of the modular unit of the present invention;
FIG. 5 is a cross-sectional view of a heat dissipating blower unit of the present invention;
fig. 6 is a cross-sectional view of an adjustment support of the present invention.
In the figure: 1. a case; 2. an outer cover plate; 3. an upper press plate; 4. a case cover; 5. a support plate; 6. a front cover plate; 7. butt joint pieces; 8. a butt joint sliding plate; 9. a heat dissipation plate; 10. a heat sink; 11. a butt joint block; 12. a butt joint groove; 13. a heat conductive plate; 14. a push pad; 15. a bearing plate; 16. a battery cell; 17. the pushing block; 18. an induction plate; 19. a contact lever; 20. a buzzer; 21. a side ventilation slot; 22. a middle ventilation groove; 23. an air supply frame; 24. a ventilation fan; 25. adjusting the sleeve; 26. a threaded rod; 27. a rotating lever; 28. a cover plate mounting plate; 29. installing an ear plate; 30. a handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, in an embodiment of the present invention, a lithium iron phosphate battery pack structure includes a case 1, a module unit is disposed inside the case 1, an upper pressing plate 3 is disposed above the module unit, and a case cover 4 is disposed at the top of the case 1; the module unit comprises two parallel battery modules, an adjusting support piece is arranged between the two battery modules, and the adjusting support piece is used for supporting and limiting the two battery modules; the battery module comprises an outer cover plate 2, heat conducting plates 13 are fixedly connected to two sides of the outer cover plate 2, heat radiating plates 9 are embedded into two sides of a box body 1, a plurality of heat radiating fins 10 which are equidistantly distributed are fixedly connected to one sides of the two heat radiating plates 9, the thickness of the heat radiating plates 9 is smaller than that of the side wall of the box body 1, and the end parts of the heat radiating fins 10 are level with the side edge of the box body 1, so that the influence of the heat radiating fins 10 on the appearance of the box body 1 is avoided, the whole appearance of the battery pack structure is more regular, and convenience is brought to the installation and transportation of a piece; one end of the box body 1 is provided with a front cover plate 6, and the other end of the box body 1 is provided with a heat dissipation air supply unit. The heat conducting plates 13 are arranged on the two sides of the battery module, so that heat can be conveniently discharged in time when the battery module works, the heat is conducted out by utilizing the structures such as the radiating plates 9, the radiating fins 10 and the like on the two sides of the box body 1, and the cooling efficiency of the battery module is improved by matching with the air supply operation of the air supply unit;
the battery cell 16 that a plurality of equidistance was arranged is provided with in the outer cover plate 2, one side of outer cover plate 2 inner wall sets up and is used for carrying out the detection alarm mechanism that detects to the battery cell 16, detection alarm mechanism includes supporting push block 17, the logical groove has been seted up at the middle part of supporting push block 17, the inner wall sliding connection of logical groove has sensing plate 18, one side fixedly connected with contact lever 19 of sensing plate 18, the one end fixedly mounted with buzzer 20 of logical inslot wall, one side fixedly mounted with push switch that is close to contact lever 19 of buzzer 20, the border fixedly connected with of contact lever 19 supports pushing spring, sensing plate 18 is in laminating contact with battery cell 16 under the effect of pushing spring; a temperature sensor is embedded in the middle of the sensing plate 18, and the temperature sensor and the pressing switch are electrically connected with the buzzer 20; by arranging the detection alarm mechanism, the working state of the battery cell 16 is detected, when the temperature of the battery cell 16 is too high, the honey device is triggered to alarm through the temperature sensor, the ventilation fan 24 is started to perform ventilation work, and an operator is reminded of processing; when the battery cell 16 is subjected to expansion deformation, the pushing induction plate 18 moves, the contact rod 19 is pushed to trigger the pressing switch, the buzzer 20 is triggered to give an alarm to remind an operator to process, and therefore safety of the battery module in the use process is improved.
A plurality of butt joint grooves 12 are formed in one side of each of the two heat conducting plates 13 which are far away from each other, a plurality of butt joint blocks 11 are fixedly connected to one side of each of the two heat radiating plates 9, which is close to the heat conducting plates 13, the plurality of butt joint grooves 12 are connected with the plurality of butt joint blocks 11 in a clamping way, and the combination of the butt joint blocks 11 and the butt joint grooves 12 is used for realizing stable heat transfer between the heat conducting plates 13 and the heat radiating plates 9, improving the installation stability between the battery module and the box body 1 and avoiding the mutual sliding between the battery module and the box body; the thickness of butt joint piece 11 is greater than the degree of depth of butt joint groove 12 for after butt joint piece 11 and butt joint material butt joint, can leave certain gap between heating panel 9 and the heat conduction board 13, the air current that conveniently sends into along side ventilation groove 21 is to the cooling operation of heat conduction board 13 and heating panel 9.
In order to further improve the position stability of the battery module, the middle part of the upper pressing plate 3 is downwards protruded to form a pushing part, the bottom of the upper pressing plate 3 is fixedly connected with a pushing pad 14, and the bottom of the pushing pad 14 is in abutting contact with the top of the battery module; both sides of the inner wall of the box body 1 are fixedly connected with bearing plates 15, both ends of an upper pressing plate 3 are respectively in fit contact with the tops of the two bearing plates 15, both ends of the upper pressing plate 3 and the tops of the two bearing plates 15 are respectively provided with upper pressing screw openings, and when the upper pressing screw openings on the upper pressing plate 3 are aligned with the upper pressing screw openings on the bearing plates 15, the upper pressing plate 3 and the bearing plates 15 are fixedly installed by using connecting pieces such as bolts and the like.
The heat dissipation air supply unit includes air supply frame 23, and air supply frame 23's middle part fixedly connected with ventilating fan 24, and middle part ventilation groove 22 has been seted up to the one end of box 1 inner wall, and side ventilation groove 21 has all been seted up to the both sides of middle part ventilation groove 22, and middle part ventilation groove 22 corresponds the setting with adjusting support piece, and two side ventilation grooves 21 correspond the setting with two heating panel 9 respectively, through setting up the heat dissipation air supply unit, send into the air current to the box 1 inside and dispel the heat.
The adjusting support piece comprises two symmetrically arranged support plates 5, the bottoms of the two support plates 5 are all obliquely arranged inwards, one side of one support plate 5 is rotationally connected with a rotating rod 27, one end of the rotating rod 27 is fixedly connected with an adjusting sleeve 25, one end of the inner wall of the adjusting sleeve 25 is in threaded connection with a threaded rod 26, and one end of the threaded rod 26 is fixedly connected with one side of the other support plate 5; the two battery modules are supported by arranging the supporting plates 5 with adjustable spacing, and the spacing between the two supporting plates 5 is adjusted by utilizing the rotation of the adjusting sleeve 25, so that the adjusting supporting piece can meet the requirements of supporting and limiting the battery modules with different sizes; simultaneously, the heat emitted by the heat conducting plate 13 is guided by the two support plates 5, and a gap formed between the two support plates 5 is aligned with the middle ventilation groove 22, so that the ventilation efficiency and the heat emission efficiency are further improved.
For the combined installation of convenient top board 3 and box 1, the equal fixedly connected with butt joint slide 8 of both sides of top board 3 bottom, the butt joint spout has all been seted up at the middle part of two butt joint slide 8, the equal fixedly connected with butt joint piece 7 of both sides at box 1 top, two butt joint pieces 7 respectively with two butt joint spout sliding connection, a plurality of butt joint screw has all been seted up at the middle part of two butt joint pieces 7 and the middle part of two butt joint slide 8, when the installation, utilize the alignment of butt joint screw on butt joint piece 7 and the butt joint slide 8, utilize the assembly locking of external bolted connection spare and butt joint screw.
The assembly groove has all been seted up to the one end of box 1 both sides, the inner wall sliding connection of assembly groove has installation otic placode 29, the locking groove has been seted up at the middle part of installation otic placode 29, the inner wall threaded connection of locking groove has the locking bolt, the installation screw that a plurality of equidistance was arranged has been seted up to one side of installation otic placode 29, through setting up can follow the gliding installation otic placode 29 of locking groove, and utilize the locking bolt to fix installation otic placode 29, make holistic mounted position of battery package structure adjustable, make things convenient for the holistic installation of battery package structure.
The middle part fixedly connected with handle 30 of front bezel 6, the one side fixed mounting of front bezel 6 has the joint panel, and fixed mounting has signal socket and output socket on the joint panel, and the opposite side fixedly connected with of front bezel 6 supports and pushes away the pad, and the one end fixedly connected with installation symmetry that the inner wall of box 1 is close to front bezel 6 sets up apron mounting panel 28, has all seted up the apron mounting hole on front bezel 6 and the apron mounting panel 28.
When the device is used, the whole device is placed at a using position, the mounting lug plate 29 is butted with a bolt hole at the using position by rotating a connecting piece such as an external bolt, and the mounting lug plate 29 is fixed by rotating a locking bolt;
during operation, heat generated by the battery module is conducted by the butt joint block 11 and the butt joint groove 12, is conducted to the heat dissipation plate 9 by the heat conduction plate 13, and is discharged by the plurality of heat dissipation plates 10, when the temperature of the battery core 16 is too high, a honey device is triggered to give an alarm through a temperature sensor, the ventilation fan 24 is started to perform ventilation work, and an operator is reminded of processing; when the battery cell 16 is subjected to expansion deformation, the pushing induction plate 18 moves, the contact rod 19 is pushed to trigger the pressing switch, the buzzer 20 is triggered to give an alarm to remind an operator of processing, and the safety of the battery module in the use process is improved.
The present invention is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present invention.
Claims (4)
1. The lithium iron phosphate battery pack structure is characterized by comprising a box body (1), wherein a module unit is arranged in the box body (1), an upper pressing plate (3) is arranged above the module unit, and a box cover (4) is arranged at the top of the box body (1); the module unit comprises two battery modules which are arranged in parallel, and an adjusting support piece is arranged between the two battery modules; the adjusting support piece comprises two support plates (5), one side of one support plate (5) is rotatably connected with a rotating rod (27), one end of the rotating rod (27) is fixedly connected with an adjusting sleeve (25), one end of the inner wall of the adjusting sleeve (25) is in threaded connection with a threaded rod (26), and one end of the threaded rod (26) is fixedly connected with one side of the other support plate (5);
the battery module comprises an outer cover plate (2), wherein heat conducting plates (13) are fixedly connected to two sides of the outer cover plate (2), heat radiating plates (9) are embedded into two sides of the box body (1), a plurality of radiating fins (10) which are equidistantly distributed are fixedly connected to one sides of the two heat radiating plates (9), a plurality of butt joint grooves (12) are formed in one sides of the two heat conducting plates (13), a plurality of butt joint blocks (11) are fixedly connected to one sides, close to the heat conducting plates (13), of the two heat radiating plates (9), and the plurality of butt joint grooves (12) are connected with the plurality of butt joint blocks (11) in a clamping mode;
one end of the box body (1) is provided with a front cover plate (6), and the other end of the box body (1) is provided with a heat dissipation air supply unit; the radiating air supply unit comprises an air supply frame (23), the middle part of the air supply frame (23) is fixedly connected with a ventilating fan (24), one end of the inner wall of the box body (1) is provided with a middle ventilating groove (22), both sides of the middle ventilating groove (22) are provided with side ventilating grooves (21), the middle ventilating groove (22) is correspondingly arranged with the adjusting support piece, and the two side ventilating grooves (21) are respectively correspondingly arranged with the two radiating plates (9);
the electric core detection device comprises an outer cover plate (2), and is characterized in that a plurality of electric cores (16) which are equidistantly distributed are arranged in the outer cover plate (2), a detection alarm mechanism which is used for detecting the electric cores (16) is arranged on one side of the inner wall of the outer cover plate (2), the detection alarm mechanism comprises a push block (17), a through groove is formed in the middle of the push block (17), an induction plate (18) is slidably connected to the inner wall of the through groove, a contact rod (19) is fixedly connected to one side of the induction plate (18), a buzzer (20) is fixedly arranged at one end of the inner wall of the through groove, a pressing switch is fixedly arranged on one side, close to the contact rod (19), of the buzzer (20), and a plurality of push springs are fixedly connected to the edge of the contact rod (19). The middle part of the induction plate (18) is embedded with a temperature sensor.
2. The lithium iron phosphate battery pack structure according to claim 1, wherein the middle part of the upper pressing plate (3) is provided with a pushing part, the bottom of the upper pressing plate (3) is fixedly connected with a pushing pad (14), two sides of the inner wall of the box body (1) are fixedly connected with bearing plates (15), two ends of the upper pressing plate (3) are respectively in fit contact with the tops of the two bearing plates (15), and upper pressing screw openings are respectively formed in two ends of the upper pressing plate (3) and the tops of the two bearing plates (15).
3. The lithium iron phosphate battery pack structure according to claim 1, wherein two sides of the bottom of the upper pressing plate (3) are fixedly connected with butt joint sliding plates (8), two butt joint sliding plates (8) are respectively arranged in the middle of the butt joint sliding plates, two butt joint connecting plates (7) are respectively fixedly connected with two sides of the top of the box body (1), the two butt joint connecting plates (7) are respectively in sliding connection with the two butt joint sliding plates, and a plurality of butt joint screw holes are respectively arranged in the middle of the two butt joint connecting plates (7) and the middle of the two butt joint sliding plates (8).
4. The lithium iron phosphate battery pack structure according to claim 1, wherein the assembly grooves are formed in one ends of two sides of the box body (1), the installation lug plates (29) are slidably connected to the inner walls of the assembly grooves, locking grooves are formed in the middle of the installation lug plates (29), locking bolts are connected to the inner walls of the locking grooves in a threaded mode, and a plurality of equidistant installation screw holes are formed in one side of the installation lug plates (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211604671.XA CN115939652B (en) | 2022-12-13 | 2022-12-13 | Lithium iron phosphate battery pack structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211604671.XA CN115939652B (en) | 2022-12-13 | 2022-12-13 | Lithium iron phosphate battery pack structure |
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| CN115939652A CN115939652A (en) | 2023-04-07 |
| CN115939652B true CN115939652B (en) | 2023-09-08 |
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| CN202211604671.XA Active CN115939652B (en) | 2022-12-13 | 2022-12-13 | Lithium iron phosphate battery pack structure |
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| CN117199639B (en) * | 2023-07-03 | 2024-04-26 | 深圳市朗泰沣电子有限公司 | Heat dissipation type lithium iron phosphate energy storage device |
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| CN115939652A (en) | 2023-04-07 |
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