CN211350728U - Battery box with battery modules fixed in inserting mode - Google Patents
Battery box with battery modules fixed in inserting mode Download PDFInfo
- Publication number
- CN211350728U CN211350728U CN201922294188.6U CN201922294188U CN211350728U CN 211350728 U CN211350728 U CN 211350728U CN 201922294188 U CN201922294188 U CN 201922294188U CN 211350728 U CN211350728 U CN 211350728U
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- battery
- battery module
- box
- screw rod
- modules
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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
A battery box with battery modules fixed in an inserting mode comprises a box body, a plurality of battery modules and an electric control assembly, wherein the battery modules are arranged in the box body and comprise a first battery module and a second battery module; two adjacent first battery membrane modules are connected through a first connecting piece, and two adjacent second battery modules are connected through a second connecting piece. According to the utility model provides a battery module alternates fixed battery box and compares with prior art and has following advantage: the utility model provides a first battery module and second battery module pass through screw rod through connection to it is fixed with the bottom half, realized the pile setting of battery module in the battery box, under the unchangeable condition of guaranteeing battery box bottom area, improved battery module installation quantity greatly, improve battery capacity.
Description
Technical Field
The utility model relates to a battery box especially relates to a battery module alternates fixed battery box.
Background
At present, lithium battery PACK that electric fork-lift truck trade used, when considering the assembly convenience, inside electric core can adopt the battery module of direct purchase to assemble, can reduce assembly spare part quantity like this, need not oneself welding module and sampling pencil, has simplified the assembling process. The battery module can be understood as an intermediate product of a battery core and a pack formed by combining the lithium ion battery cores in a series-parallel connection mode and additionally installing the single battery monitoring and managing device. The larger the power battery capacity of the electric forklift is, the longer the working time is, but the larger the volume and the weight of a required battery system are, and the larger the weight is, so that the electric forklift can be just right assembled with no counterweight. Consequently, the battery box of range upon range of module formula has appeared, and this kind of structure can fix the second floor battery module on the module layer board through set up the module layer board in the battery box inside to realized that battery box bottom area is unchangeable, the effect that capacity increases, but the installation of module layer board has very high requirement to the mechanical strength of battery box, consequently increased the manufacturing cost and the engineering degree of difficulty of battery box.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a simple structure, easily assemble, battery capacity is big, the good battery module of stability alternates fixed battery box.
According to the utility model provides a main technical scheme that battery module alternates fixed battery box and adopts does: the battery module is electrically connected with the electric control assembly and comprises a plurality of first battery modules and a plurality of second battery modules, the second battery modules are stacked on the first battery modules, the first battery modules are provided with first screw rod channels, and the second battery modules are provided with second screw rod channels; the two adjacent first battery membrane modules are connected through a first connecting piece, the two adjacent second battery modules are connected through a second connecting piece, the solar cell module further comprises a screw rod, and the screw rod sequentially penetrates through the second connecting piece, the second screw rod channel, the first connecting piece and the first screw rod channel and then is connected with the bottom of the box body.
The utility model provides a battery module alternates fixed battery box still adopts following attached technical scheme:
the first screw rod channel on the first battery module in the same vertical column is opposite to the second screw rod channel on the second battery module.
The first battery module and the second battery module are identical in structure.
The first connecting piece is provided with a first connecting hole and a second connecting hole, and the second connecting piece is provided with a third connecting hole and a fourth connecting hole; one first battery module of the two adjacent first battery modules is connected with the first connecting hole through the screw rod, and the other first battery module is connected with the second connecting hole through the screw rod; one of the two adjacent second battery modules is connected with the third connecting hole through the screw rod, and the other second battery module is connected with the fourth connecting hole through the screw rod.
The first connecting piece and the second connecting piece are identical in structure.
First battery module includes the casing and establishes a plurality of electric cores in the casing, the casing includes front end plate, back end plate, left side board, right side board, bottom plate and roof, wherein the front end plate the right side board the back end plate with the left side board is end to end connection constitutes penetrating square barrel from top to bottom in proper order, the roof with the bottom plate is located respectively the upper and lower open end of square barrel.
The front end plate and the rear end plate are identical in structure.
The left side plate and the right side plate are identical in structure.
The front end plate and the two ends of the rear end plate are provided with the first screw rod channels.
The shell is provided with four first screw rod channels.
The front end plate with the both ends of rear end plate all are equipped with arc laminating portion, the both ends of left side board and right side board all are equipped with arc cladding portion, arc cladding portion with arc laminating portion connects.
The arc cladding part and the arc fitting part are welded together.
The roof is including installing the cell body and establishing apron on the installation cell body, installation cell body middle part is equipped with the circuit board mounting groove, circuit board mounting groove bottom is equipped with a plurality of circuit board support fixed columns, circuit board mounting groove bottom still is equipped with a plurality of battery explosion vent and dodges the hole.
The battery shell is characterized in that the front end plate and the rear end plate are respectively provided with an insulating support, a conductive copper bar connected with the battery core is arranged in the shell, and the conductive copper bar extends out of the shell and is connected with the insulating supports.
The front end plate with all be equipped with the support mounting groove on the back end plate, insulating support establishes in the support mounting groove.
The box body comprises a counterweight lower shell and an upper shell, and the upper shell is buckled on the counterweight lower shell and is connected with the counterweight lower shell; the counter weight inferior valve includes the bottom of the case board, establishes counter weight framework on the bottom of the case board and establishes in the counter weight framework and with the fixed plate that the bottom of the case board is connected, the screw rod passes in proper order the second connecting piece second screw rod passageway first connecting piece with behind the first screw rod passageway with the fixed plate is connected.
The first battery module is located in the counterweight lower shell, and the bottom surface of the second battery module is flush with the upper end surface of the counterweight frame body or higher than the upper end surface of the counterweight frame body.
The upper end of the counterweight frame body is provided with a raised annular connecting part, and the upper shell is connected with the annular connecting part.
According to the utility model provides a battery module alternates fixed battery box and compares with prior art and has following advantage: the utility model provides a first battery module and second battery module pass through screw rod through connection to it is fixed with the bottom half, the pile setting of battery module in the battery box has been realized, under the unchangeable circumstances of guaranteeing battery box bottom area, battery module installation quantity has greatly been improved, the battery capacity is improved, the whole weight of battery box has been improved, when using on electric fork truck, the time of electric fork truck's work has been prolonged, need not to install additional balancing weight, can realize electric fork truck's self counter weight, the installation fixed flow of balancing weight has been saved, electric fork truck's assembly efficiency has greatly been improved; compared with the prior art, the battery box has the advantages that the module supporting plate is omitted, and the process difficulty and the manufacturing cost of the battery box are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a structural diagram of the present invention with the upper case removed.
Fig. 3 is a structural view of a first connecting member according to the present invention.
Fig. 4 is a structural diagram of a first battery module according to the present invention.
Fig. 5 is an exploded view of the first battery module according to the present invention.
Fig. 6 is a structural view of the present invention.
Fig. 7 is a structural diagram of the lower case of the middle balance weight of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 7, according to the embodiment of the battery box provided by the present invention, the battery box comprises a box body, a plurality of battery modules and an electric control assembly, the battery modules are arranged in the box body, the battery modules are electrically connected to the electric control assembly, the battery modules include a plurality of first battery modules 3 and a plurality of second battery modules 4, the second battery modules 4 are stacked on the first battery modules 3, the first battery modules 3 are provided with first screw channels 31, and the second battery modules 4 are provided with second screw channels 41; two adjacent first battery membrane modules are connected through a first connecting piece 51, two adjacent second battery modules 4 are connected through a second connecting piece 52, the solar battery module further comprises a screw 6, and the screw 6 sequentially penetrates through the second connecting piece 52, the second screw channel 41, the first connecting part and the first screw channel 31 and then is connected with the bottom of the box body. The first screw passage 31 of the first battery module 3 in the same column is opposite to the second screw passage 41 of the second battery module 4. The electric control assembly comprises a charging relay, a discharging relay, a fuse, a Hall current sensor, a single chip microcomputer and a direct-current voltage converter. The structure and connection of the electric control assembly are mature technologies in the prior art, and are not described in detail here. The utility model provides a first battery module 3 and second battery module 4 pass through screw 6 through connection, and fixed with the bottom half, realized the pile setting of battery module in the battery box, under the unchangeable circumstances of guaranteeing battery box bottom area, greatly improved battery module installation quantity, improve the battery capacity, the whole weight of battery box has been improved, when using on electric fork truck, the time of electric fork truck's work has been prolonged, need not to install additional balancing weight, can realize electric fork truck's self counter weight, the installation fixed flow of balancing weight has been saved, electric fork truck's assembly efficiency has been greatly improved; compared with the prior art, the battery box has the advantages that the module supporting plate is omitted, and the process difficulty and the manufacturing cost of the battery box are reduced. First battery module 3 with second battery module 4 structure is the same, makes things convenient for the production of battery module, need not to distinguish when installing toward the box, and assembly efficiency is high.
Referring to fig. 1 to 5, according to the above-mentioned embodiment of the present invention, the first connecting member 51 is provided with a first connecting hole 511 and a second connecting hole 512, and the second connecting member 52 is provided with a third connecting hole and a fourth connecting hole; one of the two adjacent first battery modules 3 is connected to the first connection hole 511 through the screw 6, and the other first battery module 3 is connected to the second connection hole 512 through the screw 6; one of the two adjacent second battery modules 4 is connected to the third connecting hole through the screw 6, and the other second battery module 4 is connected to the fourth connecting hole through the screw 6. The arrangement of the first connecting piece 51 and the second connecting piece 52 ensures that when the first battery module 3 and the second battery module 4 which are positioned in the same vertical column are connected and fixed in the vertical direction through the screw 6, the first battery module 3 and the second battery module 4 which are adjacent to each other can be transversely connected and fixed through the first connecting piece 51 and the second connecting piece 52, so that the assembly efficiency of the battery modules in the box body is greatly improved, the connection and fixing structure between the battery modules is simplified, and the production cost of products is reduced; meanwhile, the first connecting piece 51 and the second connecting piece 52 have the same structure, the first connecting piece 51 and the second connecting piece 52 do not need to be distinguished during assembly, and the assembly is convenient and the production cost is low.
Referring to fig. 1 to 5, according to the above-mentioned embodiment of the present invention, the first battery module 3 includes a housing and a plurality of battery cells 33 arranged in the housing, the housing includes a front plate 321, a rear plate 322, a left side plate 323, a right side plate 324, a bottom plate 326 and a top plate 325, wherein the front plate 321, the right side plate 324, the rear plate 322 and the left side plate 323 are sequentially connected end to form a vertically through square cylinder, and the top plate 325 and the bottom plate 326 are respectively located at upper and lower open ends of the square cylinder. The first battery module 3 and the second battery module 4 have the same structure. The first battery module 3 is simple in structure, convenient to assemble, regular in appearance, convenient to stack and attach a plurality of battery modules, and beneficial to increasing the number of the battery modules contained in the box body, so that the overall weight and the energy storage capacity of the battery box are enlarged, and the battery box is very suitable for an electric forklift; the front end plate 321 and the rear end plate 322 have the same structure. The left side plate 323 and the right side plate 324 have the same structure, and are convenient to assemble and low in production cost.
Referring to fig. 1 to 5, according to the above-mentioned embodiment of the present invention, the first screw passage 31 is disposed at both ends of the front end plate 321 and the rear end plate 322. Four first screw channels 31 are arranged on the shell. The four corners of the battery module are fixed in an inserting mode through the screws 6, so that the assembly is convenient, and the fixation is firm.
Referring to fig. 5, according to the above-mentioned embodiment of the present invention, the front end plate 321 and the rear end plate 322 are both provided with arc attaching portions 327, the left side plate 323 and the right side plate 324 are both provided with arc covering portions 328, and the arc covering portions 328 are connected to the arc attaching portions 327. The arc cladding portion 328 and the arc attaching portion 327 are welded together. The square barrel in the shell adopts the structure, so that the assembly is convenient, the connection is firm, and the strength is high. During specific assembly, a certain number of battery cells 33 are arranged between the front end plate 321 and the rear end plate 322, a certain pretightening force is applied to the front end plate 321 and the rear end plate 322 by using a clamp, and then the left side plate 323 and the right side plate 324 are welded on the front end plate 321 and the rear end plate 322, so that the module is ensured to have enough strength after welding and curing.
Referring to fig. 5, according to the above-mentioned embodiment of the present invention, the top plate 325 includes a mounting groove 3251 and a cover plate 3252 provided on the mounting groove 3251, a circuit board mounting groove 3253 is provided in the middle of the mounting groove 3251, a plurality of circuit board supporting and fixing posts 3254 are provided at the bottom of the circuit board mounting groove 3253, and a plurality of battery anti-explosion plug avoiding holes 3255 are further provided at the bottom of the circuit board mounting groove 3253. A circuit board 36 is arranged in the circuit board mounting groove, and the circuit board 36 is electrically connected with the electric control assembly. Due to the arrangement of the battery explosion-proof plug avoiding hole 3255, the normal realization of the function of the battery cell 33 explosion-proof plug is ensured; the circuit board 36 of the battery module may be fixed in the circuit board mounting groove 3253 and connected to the circuit board support fixing column 3254 by screws. This kind of structure makes the battery module top neater.
Referring to fig. 4 and 5, according to the above-mentioned embodiment of the present invention, the front end plate 321 and the rear end plate 322 are all provided with the insulating support 35, the inside of the casing is provided with the conductive copper bar 34 connected to the electric core 33, and the conductive copper bar 34 extends out of the casing and is connected to the insulating support 35. The front end plate 321 and the rear end plate 322 are both provided with a support mounting groove 329, and the insulating support 35 is arranged in the support mounting groove 329. When the conductive copper bar 34 is used, the conductive copper bar is connected with the insulating bracket 35 through screws. The utility model discloses an electricity core 33 is connected to the electrically conductive copper bar 34 of punching press, can be better fix on the casing with the cooperation of insulating support 35, the electric assembly of linking between the battery module.
Referring to fig. 1, 2, 6 and 7, according to the above-mentioned embodiment of the present invention, the box body includes a lower counterweight shell 1 and an upper shell 2, and the upper shell 2 is fastened on the lower counterweight shell 1 and connected with the lower counterweight shell 1; counter weight inferior valve 1 includes bottom of the case board 11, establishes counter weight framework 12 on the bottom of the case board 11 and establishes in counter weight framework 12 and with fixed plate 13 that bottom of the case board 11 is connected, screw rod 6 passes in proper order second connecting piece 52 second screw rod passageway 41 first connecting piece 51 with behind the first screw rod passageway 31 with fixed plate 13 is connected. The bottom plate 11 and the counterweight frame 12 are of an integrally formed structure. The counterweight base is made of cast iron by adopting a casting process. The utility model provides a box simple structure, high assembling convenience, wherein counter weight inferior valve 1 has not only improved the bulk strength of battery box, and greatly increased the weight of battery box, need not to install the balancing weight additional when using on electric fork truck, can realize electric fork truck's self counter weight, the fixed flow of installation of balancing weight has been saved, electric fork truck's assembly efficiency has been improved greatly, maintenance efficiency, and its weight dispersion of this kind of counter weight inferior valve 1 is around counter weight inferior valve 1, compare with the battery box that has the counter weight base among the prior art, the focus is lower, stability is better, difficult emergence is emptyd, and the security is high.
Referring to fig. 1, 2, 6 and 7, according to the above-mentioned embodiment of the present invention, the first battery module 3 is located in the counterweight lower casing 1, and the bottom surface of the second battery module 4 is flush with the upper end surface of the counterweight frame 12, or is higher than the upper end surface of the counterweight frame 12. The utility model discloses a this kind of structure, when second battery module 4 breaks down, can only open epitheca 2, can make second battery module 4 whole expose and expose, and need not to propose all battery modules from the battery box and maintain, improved greatly the utility model discloses a maintenance efficiency has reduced the intensity of labour who maintains the workman.
Referring to fig. 1, 2, 6 and 7, according to the above-mentioned embodiment of the present invention, the upper end of the weight frame 12 is provided with a protruding annular connecting portion 14, and the upper case 2 is connected to the annular connecting portion 14. In a specific use, the upper case 2 is connected to the annular connecting portion 14 by bolts. The annular connecting portion 14 is higher than the up end of the balance weight frame body 12, and a waterproof boss is formed, when water falls on the battery box, the water can fall on the lower end of the outer side of the annular connecting portion 14 under the action of self gravity, and when the battery box is prevented from being drenched by water, water flow enters the inside of the battery box, so that the sealing safety level of the system can be enhanced. And a sealing gasket is arranged between the upper shell 2 and the annular connecting part 14, so that the sealing effect of the battery box is improved again.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a battery module alternates fixed battery box, includes the box, establishes a plurality of battery module and automatically controlled subassembly in the box, the battery module with automatically controlled subassembly electricity is connected its characterized in that: the battery module comprises a first battery module and a second battery module, the second battery module is stacked on the first battery module, the first battery module is provided with a first screw rod channel, and the second battery module is provided with a second screw rod channel; the two adjacent first battery membrane modules are connected through a first connecting piece, the two adjacent second battery modules are connected through a second connecting piece, the solar cell module further comprises a screw rod, and the screw rod sequentially penetrates through the second connecting piece, the second screw rod channel, the first connecting piece and the first screw rod channel and then is connected with the bottom of the box body.
2. The battery box for inserting and fixing the battery modules as claimed in claim 1, wherein: the first connecting piece is provided with a first connecting hole and a second connecting hole, and the second connecting piece is provided with a third connecting hole and a fourth connecting hole; one first battery module of the two adjacent first battery modules is connected with the first connecting hole through the screw rod, and the other first battery module is connected with the second connecting hole through the screw rod; one of the two adjacent second battery modules is connected with the third connecting hole through the screw rod, and the other second battery module is connected with the fourth connecting hole through the screw rod.
3. The battery box for inserting and fixing the battery modules as claimed in claim 1, wherein: first battery module includes the casing and establishes a plurality of electric cores in the casing, the casing includes front end plate, back end plate, left side board, right side board, bottom plate and roof, wherein the front end plate the right side board the back end plate with the left side board is end to end connection constitutes penetrating square barrel from top to bottom in proper order, the roof with the bottom plate is located respectively the upper and lower open end of square barrel.
4. The battery box for inserting and fixing the battery modules as claimed in claim 3, wherein: the front end plate and the two ends of the rear end plate are provided with the first screw rod channels.
5. The battery box for inserting and fixing the battery modules as claimed in claim 3, wherein: the front end plate with the both ends of rear end plate all are equipped with arc laminating portion, the both ends of left side board and right side board all are equipped with arc cladding portion, arc cladding portion with arc laminating portion connects.
6. The battery box for inserting and fixing the battery modules as claimed in claim 3, wherein: the roof is including installing the cell body and establishing apron on the installation cell body, installation cell body middle part is equipped with the circuit board mounting groove, circuit board mounting groove bottom is equipped with a plurality of circuit board support fixed columns, circuit board mounting groove bottom still is equipped with a plurality of battery explosion vent and dodges the hole.
7. The battery box for inserting and fixing the battery modules as claimed in claim 3, wherein: the battery shell is characterized in that the front end plate and the rear end plate are respectively provided with an insulating support, a conductive copper bar connected with the battery core is arranged in the shell, and the conductive copper bar extends out of the shell and is connected with the insulating supports.
8. The battery box for inserting and fixing the battery modules as claimed in claim 1, wherein: the box body comprises a counterweight lower shell and an upper shell, and the upper shell is buckled on the counterweight lower shell and is connected with the counterweight lower shell; the counter weight inferior valve includes the bottom of the case board, establishes counter weight framework on the bottom of the case board and establishes in the counter weight framework and with the fixed plate that the bottom of the case board is connected, the screw rod passes in proper order the second connecting piece second screw rod passageway first connecting piece with behind the first screw rod passageway with the fixed plate is connected.
9. The battery box for inserting and fixing the battery modules as claimed in claim 8, wherein: the first battery module is located in the counterweight lower shell, and the bottom surface of the second battery module is flush with the upper end surface of the counterweight frame body or higher than the upper end surface of the counterweight frame body.
10. The battery box for inserting and fixing the battery modules as claimed in claim 8, wherein: the upper end of the counterweight frame body is provided with a raised annular connecting part, and the upper shell is connected with the annular connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294188.6U CN211350728U (en) | 2019-12-18 | 2019-12-18 | Battery box with battery modules fixed in inserting mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294188.6U CN211350728U (en) | 2019-12-18 | 2019-12-18 | Battery box with battery modules fixed in inserting mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211350728U true CN211350728U (en) | 2020-08-25 |
Family
ID=72097515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922294188.6U Expired - Fee Related CN211350728U (en) | 2019-12-18 | 2019-12-18 | Battery box with battery modules fixed in inserting mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211350728U (en) |
-
2019
- 2019-12-18 CN CN201922294188.6U patent/CN211350728U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20211218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |