CN107195825B - Safe and practical battery cell module, vehicle battery and motor vehicle - Google Patents
Safe and practical battery cell module, vehicle battery and motor vehicle Download PDFInfo
- Publication number
- CN107195825B CN107195825B CN201710513428.XA CN201710513428A CN107195825B CN 107195825 B CN107195825 B CN 107195825B CN 201710513428 A CN201710513428 A CN 201710513428A CN 107195825 B CN107195825 B CN 107195825B
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- China
- Prior art keywords
- cell module
- battery
- plastic
- screw rod
- sliding grooves
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Abstract
The invention relates to a safe and practical battery cell module, which comprises two plastic end covers which are oppositely arranged, wherein a plurality of plastic frames are arranged between the two plastic end covers side by side, a battery cell is fixed in the plastic frames, and the plastic end covers and the plastic frames are mutually fixed and pressed through screw rod assemblies penetrating through the plastic end covers and the plastic frames; the screw rod of the screw rod assembly is a corrosion-resistant insulating metal rod; the inner side end faces of the two plastic end covers, which are in contact with the plastic frame, are respectively provided with a bus plate, and the part of the screw rod penetrating through the bus plates is also provided with an insulating gasket. A vehicle battery comprising the cell module and a motor vehicle comprising the cell module or the vehicle battery are also disclosed. The invention realizes the stable connection of the battery cells by utilizing the screw rod, so that the formed battery cell module has stable, regular and smooth structure, is beneficial to subsequent automatic assembly, can adapt to different temperature differences in different regions, and reduces the structural influence of temperature change on the battery cell module.
Description
Technical Field
The invention relates to a battery cell module, belongs to the technical field of automobile energy, and in particular relates to a safe and practical battery cell module; and also discloses a vehicle battery formed by the cell module and a motor vehicle formed by the cell module or the vehicle battery.
Background
The application of new energy is a great initiative and popularization application project in the current country, in a new energy automobile, electric cores are basic units of energy sources, thousands of independent electric cores are combined into a plurality of or ten electric core modules, which are an indispensable process in the production of the new energy automobile, and the plurality of or ten electric core modules are assembled into a battery box to form a battery of the automobile.
The mode of combining the battery cells into the battery cell module is that: the modules are formed by strapping with plastic frames + webbing. While this approach suffers from two major drawbacks: 1. because the elasticity that the braid belt material exists, the module rigidity of itself is relatively poor, and the size difference is relatively great, is difficult to realize subsequent automatic assembly. 2. The material of the braiding belt is easy to age, especially the temperature difference between the north and south of China and the temperature difference between the winter and the summer are greatly changed, and the aged braiding belt brings great hidden trouble to the stability of the module.
The assembly mode of the current domestic battery products of the same type is as follows: the cell module is fixed on the cell box through a preset hole on the cell box body by using a screw and an auxiliary part. However, when the battery cell module is packaged, the battery cell module and the auxiliary parts are required to be accurately aligned with the preset holes on the battery box body, the size errors of the battery cell module, the auxiliary parts and the battery box body can affect the assembly process, the labor and time are wasted, the efficiency is low, the range of adapting to the change of the size errors is small, and each accumulation is less than 1mm, so that higher requirements and difficulties are brought to the processing.
Disclosure of Invention
Based on the technical problems, the invention provides a safe and practical battery cell module, thereby solving the technical problems of unstable and regular structure, poor safety and applicability after the battery cells are assembled into the battery cell module in the past; meanwhile, the invention also discloses a vehicle battery formed by the battery cell module and a motor vehicle formed by the battery cell module or the vehicle battery.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a safe and practical's electric core module, includes two plastics end cover of relative setting, is provided with a plurality of plastic frame side by side between two plastics end covers, and the inside electric core that is fixed with of plastic frame, plastics end cover and plastic frame are fixed each other through the screw rod subassembly that runs through both;
the screw rod of the screw rod assembly is a corrosion-resistant insulating metal rod;
the two plastic end covers are respectively provided with a bus plate on the inner side end surfaces contacted with the plastic frame, and the part of the screw rod penetrating through the bus plates is also provided with an insulating gasket.
Preferably, two concave sliding grooves are formed in the outer side faces of the two plastic end covers, the two sliding grooves are mutually communicated and symmetrically arranged, the side faces, communicated with the two sliding grooves, of the two plastic end covers are inclined planes, and staggered steps are formed at the bottoms of the two sliding grooves in an up-down staggered mode; the battery cell module also comprises a wedge structure, wherein the wedge structure comprises two inclined sliding blocks and a movable connecting piece for connecting the two inclined sliding blocks and adjusting the distance; the two inclined sliding blocks are respectively arranged in the two sliding grooves, the inclined surfaces of the two inclined sliding blocks are matched with the inclined surfaces of the two sliding grooves, the two inclined sliding blocks are connected by the movable connecting piece through the communicating part of the two sliding grooves, and the movable connecting piece is formed to drive the two inclined sliding blocks to relatively move along the sliding grooves and stretch out or be accommodated in the movable structure of the plastic end cover under the action of the dislocation steps.
Preferably, the movable connecting piece is a bolt and nut assembly.
Preferably, two sets of wedge structures are respectively arranged on the outer side surfaces of the two plastic end covers.
Preferably, the inclined sliding block is a right trapezoid block.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the invention realizes the stable connection of the battery cells by using the screw rod with the service life and the tensile strength far longer than those of the braiding belt, so that the formed battery cell module has stable, regular and smooth structure, is beneficial to subsequent automatic assembly, can adapt to different temperature differences in different regions, and reduces the structural influence of temperature change on the battery cell module.
2. The screw rod and the insulating gasket of the screw rod assembly are both junction edges, so that the short circuit or electric leakage of the battery core can be avoided, and the safety is high.
3. The invention can realize the rapid filling and clamping of the cell module and the battery box by utilizing the structural characteristics, does not need to reprocess the mounting holes and utilize auxiliary parts, reduces the processing and assembling difficulty, is simpler, more convenient and quicker to mount, is convenient to adjust, and improves the mounting efficiency and the accuracy of the cell module.
Based on the technical scheme, the invention also provides a vehicle battery, which comprises a battery box, wherein the battery box is internally provided with the battery core module; the cell module is clamped in the cell box through an inclined sliding block extending out of the plastic end cover.
According to the vehicle battery, the inclined sliding blocks of the battery core modules are clamped in the battery box, so that the difficulty and time in processing and loading and unloading can be saved, the assembly efficiency of the battery is improved, meanwhile, the stable connection between the battery cores is realized by utilizing the screw rod, and the whole structure of the battery is stable, safe and practical.
Based on the technical scheme, the invention also provides a motor vehicle, which comprises a motor vehicle body, wherein the battery cell module or the vehicle battery is arranged in the motor vehicle body.
The motor vehicle is extremely convenient in assembling and disassembling the battery cell module or the battery, is convenient to mount and maintain, and has stable structure and long service life.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view of FIG. 1;
fig. 5 is an enlarged view of the structure at a in fig. 4;
FIG. 6 is a schematic illustration of a plastic end cap without a cam structure installed;
FIG. 7 is a cross-sectional view of the A-A plane of FIG. 6;
FIG. 8 is a schematic structural view of a plastic end cap mounting cam structure;
FIG. 9 is a cross-sectional view taken along the plane B-B of FIG. 8, with the articulating piece in an untwisted state;
FIG. 10 is a cross-sectional view taken along line C-C of FIG. 8, with the articulating piece in a tightened state;
FIG. 11 is a schematic perspective view of the present invention;
the marks in the figure: 1. a plastic frame; 2. a screw assembly; 3. a plastic end cap; 4. a chute; 5. an inclined surface; 6. an inclined slide block; 7. a movable connecting piece; 8. dislocation steps; 9. a bus plate; 10. an insulating gasket.
Detailed Description
The invention is further described below with reference to the accompanying drawings. Embodiments of the present invention include, but are not limited to, the following examples.
As shown in fig. 1-11, a battery cell module comprises two plastic end covers 3 which are oppositely arranged, a plurality of plastic frames 1 are arranged between the two plastic end covers 3 side by side, a battery cell is fixed in the plastic frames 1, and the plastic end covers 3 and the plastic frames 1 are mutually fixed and pressed through screw rod assemblies 2 penetrating through the two plastic end covers; the screw rod of the screw rod assembly 2 is a corrosion-resistant insulating metal rod; the inner side end surfaces of the two plastic end covers 3, which are in contact with the plastic frame 1, are respectively provided with a bus plate 9, and the part of the screw rod penetrating through the bus plates 9 is also provided with an insulating gasket 10; the outer side surfaces of the two plastic end covers 3 are respectively provided with two concave sliding grooves 4, the two sliding grooves 4 are mutually communicated and symmetrically arranged, the side surfaces of the two sliding grooves 4 communicated are inclined surfaces 5, and the bottoms of the two sliding grooves 4 are respectively provided with a staggered step 8 in an up-down staggered manner; the battery cell module also comprises a wedge structure, wherein the wedge structure comprises two inclined sliding blocks 6 and a movable connecting piece 7 for connecting the two inclined sliding blocks 6 and adjusting the distance; the two inclined sliding blocks 6 are respectively arranged in the two sliding grooves 4, the inclined planes of the two inclined sliding blocks 6 are matched with the inclined planes 5 of the two sliding grooves 4, the two inclined sliding blocks 6 are connected by the movable connecting piece 7 through the communicating part of the two sliding grooves 4, and the movable connecting piece 7 is formed to drive the two inclined sliding blocks 6 to relatively move along the sliding grooves 4 and stretch out or be accommodated in the movable structure of the plastic end cover 3 under the action of the dislocation step 8.
According to the embodiment, the length of the screw rod can be adjusted according to the series number of the battery packs, after the battery cells are installed in the plastic frame, the battery cells are connected in series to form the required series number, the screw rod insulating pad and the end cover are installed, the module is pressed to the specified size by using pressure equipment and a tool, nuts at two ends of the screw rod are screwed in, and the screw rod assembly 2 clamps and fixes the battery cells to form the battery cell module.
The screw rod of the embodiment is a corrosion-resistant insulating metal rod, has good service life and tensile strength, can ensure stable connection of the battery cells, is regular in structure and not easy to shift after the battery cells are connected, is beneficial to automatic assembly of the battery cell module, can adapt to different temperature differences in different regions, and reduces the structural influence of temperature change on the battery cell module; the screw rod and the insulating gasket 10 are arranged in an insulating way, so that the safety of the battery cells connected by the mode is ensured.
According to the embodiment, after the cell module is formed, the movable connecting piece 7 is adjusted to drive the two inclined sliding blocks 6 to move along the sliding groove 4 relatively in the same direction and approach each other, and in the process, the two inclined sliding blocks 6 extend out of the plastic end cover 3 under the action of the dislocation step 8, so that the cell module can be directly clamped in the battery box through the two inclined sliding blocks 6 when being matched with the battery box, a connecting hole is not required to be machined or other auxiliary tools are not required to be used, the assembly procedure of the cell module is simplified, the assembly time is shortened, the difficulty is reduced, and the efficiency is improved. When the cell module is required to be taken out, the movable connecting piece 7 is regulated to drive the two inclined sliding blocks 6 to move oppositely along the sliding groove 4 and to be separated from each other, the two inclined sliding blocks 6 are accommodated in the plastic end cover 3 under the action of the misplacement step 8 in the process, and the cell module is contacted with the cell box at the moment but has no acting force with the cell box, so that the cell module can be conveniently taken out for replacement or maintenance.
In this embodiment, the movable connecting piece 7 is a bolt and nut assembly; two groups of wedge structures are respectively arranged on the outer side surfaces of the two plastic end covers 3; the inclined sliding block 6 is a right trapezoid block.
In this embodiment, two planes with different heights are formed at the bottoms of the two sliding grooves 4, the dislocation step 8 is formed at the joint of the two planes, the effect of giving way to the movement of the inclined sliding block 6 is achieved, and the inclined sliding block 6 is ensured to be capable of paying out the plastic end cover 3. In order to make the displacement of the displacement step 8 smoother, the displacement step 8 is preferably inclined, and the inclination angle and the inclination direction are preferably the same as those of the inclined surface 5, so that the smooth movement and displacement of the inclined slider 6 can be realized.
The bolt and nut assembly is a movable connecting piece which is simple in structure and convenient to use, is firm in connection, and can provide good pressing force for the two inclined sliding blocks 6 through the bolt caps and the nuts by using the bolt and nut assembly as the connecting piece of the two inclined sliding blocks 6, so that the two inclined sliding blocks 6 can keep the required positions after being tightly pressed; the outer side surfaces of the two plastic end covers 3 are respectively provided with two groups of wedge structures, so that acting forces at two ends of the battery cell module can be balanced, the stress range is enlarged, the local stress effect is reduced, and the plastic end covers 3 can be prevented from being propped up; the inclined slide block 6 is a right trapezoid block, two parallel sides of the inclined slide block can be used for sliding the slide groove 4 and propping up the battery box, the right-angle side can be used for arranging a bolt and a nut, vertical acting force of the bolt and the nut on the inclined wedge structure is guaranteed, and the inclined side can be matched with the inclined surface 5, so that the inclined slide block can move and guide conveniently.
Meanwhile, the invention also discloses a vehicle battery, which comprises a battery box, wherein the battery box is internally provided with the battery core module; the cell module is clamped in the cell box through an inclined slide block 6 extending out of the plastic end cover 3. By utilizing the special structure of the battery cell module, the vehicle battery of the embodiment is more stable and regular in structure, high in safety and applicability, and capable of directly clamping the battery cell module in a battery box without other tools during assembly, and is simpler and faster in assembly, and the battery assembly efficiency is improved.
Based on the embodiment, the invention also discloses a motor vehicle, which comprises a motor vehicle body, wherein the battery cell module or the vehicle battery is arranged in the motor vehicle body. The motor vehicle adopts the battery cell module or the vehicle battery, so that the battery cell module is stable in structure, time and labor are saved when the battery cell module or the vehicle battery is assembled and disassembled, and the assembly efficiency and stability of the whole vehicle are improved.
The above-described embodiments of the present invention. The foregoing description of the preferred embodiments of the present invention is not obvious contradiction or on the premise of a certain preferred embodiment, and the preferred embodiments can be arbitrarily overlapped and combined, and the embodiments and specific parameters in the embodiments are only for clearly describing the invention verification process of the inventor, and are not intended to limit the scope of the invention, and the scope of the invention is still subject to the claims, and all equivalent structural changes made by applying the specification and the content of the drawings of the present invention are included in the scope of the invention.
Claims (5)
1. The utility model provides a safe and practical's electric core module, includes two plastics end cover (3) of relative setting, is provided with a plurality of plastic frame (1) side by side between two plastics end cover (3), and plastic frame (1) inside is fixed with the electric core, plastics end cover (3) and plastic frame (1) are fixed each other through screw rod subassembly (2) that runs through both; the method is characterized in that: the screw rod of the screw rod assembly (2) is a corrosion-resistant insulating metal rod; the inner side end surfaces of the two plastic end covers (3) which are contacted with the plastic frame (1) are respectively provided with a bus plate (9), and the part of the screw rod penetrating through the bus plates (9) is also provided with an insulating gasket (10);
the outer side surfaces of the two plastic end covers (3) are respectively provided with two concave sliding grooves (4), the two sliding grooves (4) are mutually communicated and symmetrically arranged, the side surfaces of the two sliding grooves (4) communicated are inclined surfaces (5), and the bottoms of the two sliding grooves (4) are respectively staggered up and down to form dislocation steps (8); the battery cell module also comprises a wedge structure, wherein the wedge structure comprises two inclined sliding blocks (6) and a movable connecting piece (7) for connecting the two inclined sliding blocks (6) and adjusting the distance; the two inclined sliding blocks (6) are respectively arranged in the two sliding grooves (4), the inclined planes of the two inclined sliding blocks (6) are matched with the inclined planes (5) of the two sliding grooves (4), the two inclined sliding blocks (6) are connected by the movable connecting piece (7) through the communicating part of the two sliding grooves (4), and the movable connecting piece (7) is formed to drive the two inclined sliding blocks (6) to relatively move along the sliding grooves (4) and stretch out or be accommodated in the movable structure of the plastic end cover (3) under the action of the dislocation step (8);
the movable connecting piece (7) is a bolt and nut assembly.
2. A safe and practical cell module as recited in claim 1, wherein: two groups of wedge structures are respectively arranged on the outer side surfaces of the two plastic end covers (3).
3. A safe and practical cell module as recited in claim 1, wherein: the inclined sliding block (6) is a right trapezoid block.
4. A vehicle battery characterized in that: comprising a battery box in which the cell module according to any one of claims 1-3 is arranged; the cell module is clamped in the cell box through an inclined sliding block (6) extending out of the plastic end cover (3).
5. A motor vehicle comprising a motor vehicle body, characterized in that: a motor vehicle body in which a battery cell module according to any one of claims 1-3 or a vehicle battery according to claim 4 is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513428.XA CN107195825B (en) | 2017-06-29 | 2017-06-29 | Safe and practical battery cell module, vehicle battery and motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513428.XA CN107195825B (en) | 2017-06-29 | 2017-06-29 | Safe and practical battery cell module, vehicle battery and motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107195825A CN107195825A (en) | 2017-09-22 |
| CN107195825B true CN107195825B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710513428.XA Active CN107195825B (en) | 2017-06-29 | 2017-06-29 | Safe and practical battery cell module, vehicle battery and motor vehicle |
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| CN (1) | CN107195825B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063212B (en) * | 2018-01-22 | 2023-07-07 | 路华电子科技（汕尾）有限公司 | Lithium battery is used for pole piece insulation packaging structure |
| CN113097621A (en) * | 2021-03-30 | 2021-07-09 | 安徽江淮汽车集团股份有限公司 | Heat dissipation formula battery package and heat dissipation formula battery package group |
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| CN107195825A (en) | 2017-09-22 |
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