CN219759692U - Battery module electric core is electric core balancing unit before concatenating - Google Patents
Battery module electric core is electric core balancing unit before concatenating Download PDFInfo
- Publication number
- CN219759692U CN219759692U CN202320593545.2U CN202320593545U CN219759692U CN 219759692 U CN219759692 U CN 219759692U CN 202320593545 U CN202320593545 U CN 202320593545U CN 219759692 U CN219759692 U CN 219759692U
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- China
- Prior art keywords
- battery module
- fixedly connected
- wall
- pull rod
- block
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- 239000000523 sample Substances 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model discloses a cell balancing device before battery module cells are connected in series, and particularly relates to the technical field of lithium ion batteries. According to the utility model, the sliding rod is arranged at the top of the platform, the supporting bracket is arranged at the top of the sliding rod, the air cylinder is arranged at the top of the supporting bracket, the lower pressing plate is arranged at the output end of the air cylinder, the PCB circuit board is arranged at the bottom end of the lower pressing plate, and the elastic probe is arranged at the bottom end of the PCB circuit board, so that the lower pressing plate can drive the elastic probe to move.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a cell balancing device before battery module cells are connected in series.
Background
A lithium ion battery is a secondary battery (rechargeable battery) that operates mainly by means of lithium ions moving between a positive electrode and a negative electrode. Li+ is inserted and extracted back and forth between the two electrodes during charge and discharge: during charging, li+ is deintercalated from the positive electrode, and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; in contrast, lithium batteries are classified into lithium batteries and lithium ion batteries when discharged. Lithium ion batteries are used for mobile phones and notebook computers, and are commonly known as lithium batteries. Batteries generally employ materials containing lithium as electrodes, which are representative of modern high performance batteries. The real lithium battery is rarely applied to daily electronic products due to high risk;
the lithium ion battery has the advantages of high nominal voltage, high specific energy, high energy density, long service life and the like. However, in practical applications, a higher voltage is sometimes required, and then a plurality of single lithium ion batteries are required to be connected in series for use. The overall performance of the battery pack connected in series is influenced by the performance such as the capacity of a single battery cell and the consistency (voltage internal resistance and the like) among the battery cells, wherein the influence of the consistency of the voltage of the battery cells is very large.
At present, considering that the battery preparation process cannot be completely the same in the market, the voltage difference between the single batteries is unavoidable, in actual production, voltage pairing is generally performed before the assembly of the battery cells, and the battery cells with similar voltages are placed in the same battery pack, but the voltage difference still exists. If the requirement is higher, the voltages of the electric cores need to be regulated uniformly before assembly, the electric cores in the same group are connected in parallel to charge and discharge each other, in actual use, the electric cores in the same group are generally gathered and connected in parallel before the electric cores are assembled after the electric cores are assembled, and after the voltage equalization, the electric cores are disassembled to be combined in series-parallel, and the step can be completed only by a great amount of labor cost investment.
Disclosure of Invention
The utility model aims to provide a cell balancing device before battery module cells are connected in series so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a battery module cell equalization device before battery cell serial connection comprises a platform;
the sliding rods are fixedly connected to the top of the platform, and the number of the sliding rods is multiple;
the support block is fixedly connected to the bottom end of the sliding rod;
the utility model discloses a battery module, including slide bar top fixedly connected with support frame, support frame top fixedly connected with cylinder, cylinder output bottom fixedly connected with is the clamp plate down, the slide bar runs through in the clamp plate inside down, slide bar and clamp plate sliding connection down, clamp plate bottom fixedly connected with PCB circuit board down, PCB circuit board bottom fixedly connected with elasticity probe, the platform top is equipped with the battery module, battery module outer wall both sides all are equipped with the dog, the spout has been seted up at the platform top, dog and spout sliding connection, PCB circuit board bottom fixedly connected with copper line.
Further, the copper wire is electrically connected with the elastic probe, a groove is formed in the stop block, and the sliding groove is added, so that the movement track of the stop block is limited.
Further, the pull rod is arranged in the groove, the top end of the pull rod penetrates through the outer wall of the stop block, the baffle is fixedly connected to the outer wall of the pull rod, and the spring can be driven to move by the pull rod due to the baffle.
Further, the pull rod is in sliding connection with the stop block, the outer wall of the baffle is fixedly connected with a spring, and the spring is added, so that the baffle can return to the initial position.
Further, the extrusion block is fixedly connected to the bottom end of the pull rod, the extrusion groove is formed in the outer wall of the extrusion block, the movable block is slidably connected in the extrusion groove, and the pull rod is added, so that the extrusion block can move in the groove.
Further, the movable block outer wall articulates there is the locating lever, locating lever one end runs through inside the spout, locating lever and dog sliding connection, the constant head tank has been seted up to the spout inner wall, locating lever one end and constant head tank sliding connection, the joining of locating lever makes the position of dog obtain fixedly.
Compared with the prior art, the utility model has the beneficial effects that:
1. the battery module cell balancing device before the battery module cells are connected in series can lead the battery module cells to be balanced, saves labor and has good effect.
2. The utility model relates to a battery module cell balancing device before battery module cell serial connection, which can fix the adaptive position of a battery module by arranging an extrusion block at the bottom end of a pull rod, arranging an extrusion groove at the outer wall of the extrusion block, arranging a baffle plate at the outer wall of the pull rod, arranging a spring at the outer wall of the baffle plate, arranging a movable block in the extrusion groove, arranging a positioning rod at the outer wall of the movable block, and fixing the position of a baffle plate.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a side cross-sectional view of a stop of the present utility model;
FIG. 4 is a top cross-sectional view of a chute of the present utility model;
fig. 5 is a side view of the battery module according to the present utility model;
fig. 6 is a bottom view of a PCB of the present utility model.
In the figure: 1. a platform; 2. a slide bar; 3. a support block; 4. a support bracket; 5. a cylinder; 6. pressing down a flat plate; 7. a PCB circuit board; 8. an elastic probe; 9. a battery module; 10. a stop block; 11. a chute; 12. copper wire; 13. a groove; 14. a pull rod; 15. a baffle; 16. a spring; 17. extruding a block; 18. an extrusion groove; 19. a movable block; 20. a positioning rod; 21. and a positioning groove.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a cell balancing device before battery module cells are connected in series, which has the following technical scheme:
a battery module cell equalization device before battery cell serial connection comprises a platform 1;
the sliding rods 2 are fixedly connected to the top of the platform 1, and the number of the sliding rods 2 is multiple;
the support block 3 is fixedly connected to the bottom end of the slide bar 2;
the slide bar 2 top fixedly connected with support frame 4, support frame 4 top fixedly connected with cylinder 5, cylinder 5 output bottom fixedly connected with is the platen 6 down, slide bar 2 runs through inside the platen 6 down, slide bar 2 and platen 6 sliding connection down, platen 6 bottom fixedly connected with PCB circuit board 7 down, PCB circuit board 7 bottom fixedly connected with elasticity probe 8, platform 1 top is equipped with battery module 9, battery module 9 outer wall both sides all are equipped with dog 10, spout 11 has been seted up at platform 1 top, dog 10 and spout 11 sliding connection, PCB circuit board 7 bottom fixedly connected with copper line 12.
In a preferred embodiment, the copper wire 12 is electrically connected to the elastic probe 8, and the stopper 10 is provided with a groove 13 therein, so that the stopper 10 can move inside the chute 11 when the stopper 10 moves.
The working principle of the utility model is as follows: when the device is used, when the battery module 9 is required to be balanced in the electric core, the battery module 9 is placed between the two stop blocks 10, the position of the battery module 9 is fixed by adjusting the two stop blocks 10, when the position of the battery module 9 is fixed, the cylinder 5 is started, the output shaft of the cylinder 5 drives the lower pressing plate 6 to move, the lower pressing plate 6 slides up and down below the support bracket 4, the lower pressing plate 6 slides on the slide rod 2 at the same time, the lower pressing plate 6 simultaneously drives the PCB circuit board 7 to move, the PCB circuit board 7 slides at the bottom end of the support bracket 4, the PCB circuit board 7 drives the elastic probes 8 to move, the elastic probes 8 move towards the direction of the battery module 9, a certain number of elastic probes 8 are fixed on the PCB circuit board 7, when the PCB circuit board 7 is pressed down under the action of the cylinder 5, the positive and negative poles of the battery can be just right opposite to the probes on the PCB circuit board 7, all corresponding positive poles and negative poles are required to be connected through copper wires 12, the negative poles and negative poles are connected with the negative poles, after all the elastic probes 8 are pressed down on the positive and negative poles of the battery core, the battery module is simultaneously driven, the electric core can be controlled to be automatically in parallel, the electric core can be controlled to be in a proper manner, and the electric core can be controlled to be automatically in a plurality of the power station can be controlled to be in a square mode, and the balanced mode, and the electric station can be controlled to be balanced, and the power station can be balanced by a plurality of the electric station can be controlled, or a manual device can be balanced, if the electric station can be controlled, and the electric station can be balanced, and the like.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the inside pull rod 14 that is equipped with of recess 13, pull rod 14 top runs through in dog 10 outer wall, and pull rod 14 outer wall fixedly connected with baffle 15, when pull rod 14 motion, pull rod 14 can drive baffle 15 motion.
In a preferred embodiment, the pull rod 14 is slidably connected to the stop 10, and the spring 16 is fixedly connected to the outer wall of the baffle 15, so that when the baffle 15 moves, the baffle 15 can drive the spring 16 to move.
In a preferred embodiment, the bottom end of the pull rod 14 is fixedly connected with a squeezing block 17, the outer wall of the squeezing block 17 is provided with a squeezing groove 18, a movable block 19 is slidably connected in the squeezing groove 18, and when the pull rod 14 moves, the pull rod 14 can drive the squeezing block 17 to move.
In a preferred embodiment, the outer wall of the movable block 19 is hinged with a positioning rod 20, one end of the positioning rod 20 penetrates through the inside of the chute 11, the positioning rod 20 is slidably connected with the stop block 10, a positioning groove 21 is formed in the inner wall of the chute 11, one end of the positioning rod 20 is slidably connected with the positioning groove 21, and when the extrusion block 17 moves, the extrusion block 17 can drive the positioning rod 20 to move.
The working principle of the utility model is as follows: when the device is used, the pull rod 14 is pulled, the pull rod 14 and the stop block 10 are simultaneously in sliding motion, the pull rod 14 simultaneously drives the baffle 15 to move, the baffle 15 is enabled to slide in the groove 13, the baffle 15 simultaneously drives the spring 16 to move, the spring 16 is extruded, the pull rod 14 simultaneously drives the extrusion block 17 to move, the cross section of the extrusion block 17 is provided with an isosceles trapezoid, the extrusion block 17 can drive the movable block 19 to move, the movable block 19 is enabled to slide in the extrusion groove 18, the movable block 19 can drive the positioning rod 20 to move, one end of the positioning rod 20 can be separated from the positioning groove 21 by wind, the stop block 10 is pulled, the stop block 10 is enabled to slide in the sliding groove 11, when the position of the stop block 10 reaches a proper position, the pull rod 14 is released, the extrusion force of the spring 16 is enabled to drive the baffle 15 to return to an initial position, the pull rod 14 simultaneously drives the positioning rod 20 to return to the initial position through the extrusion block 17, the position of the stop block 10 is enabled to be fixed, and the position of the cell module is enabled to be fixed.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A cell balancing device before battery module cells are connected in series comprises a platform (1);
the sliding rods (2) are fixedly connected to the top of the platform (1), and the number of the sliding rods (2) is multiple;
the support block (3) is fixedly connected to the bottom end of the sliding rod (2);
the method is characterized in that:
the utility model discloses a battery module, including slide bar (2), support frame (4) top fixedly connected with cylinder (5), cylinder (5) output bottom fixedly connected with is the clamp plate (6) down, slide bar (2) run through in clamp plate (6) inside down, slide bar (2) and clamp plate (6) sliding connection down, clamp plate (6) bottom fixedly connected with PCB circuit board (7) down, PCB circuit board (7) bottom fixedly connected with elasticity probe (8), platform (1) top is equipped with battery module (9), battery module (9) outer wall both sides all are equipped with dog (10), spout (11) have been seted up at platform (1) top, dog (10) and spout (11) sliding connection, PCB circuit board (7) bottom fixedly connected with copper line (12).
2. The battery module cell serial connection front cell balancing device according to claim 1, wherein: the copper wire (12) is electrically connected with the elastic probe (8), and a groove (13) is formed in the stop block (10).
3. The battery module cell serial connection front cell balancing device according to claim 2, wherein: the groove (13) is internally provided with a pull rod (14), the top end of the pull rod (14) penetrates through the outer wall of the stop block (10), and the outer wall of the pull rod (14) is fixedly connected with a baffle (15).
4. A battery module cell pre-tandem cell equalization apparatus as defined in claim 3, wherein: the pull rod (14) is in sliding connection with the stop block (10), and a spring (16) is fixedly connected with the outer wall of the baffle plate (15).
5. A battery module cell pre-tandem cell equalization apparatus as defined in claim 3, wherein: the novel plastic extrusion device is characterized in that an extrusion block (17) is fixedly connected to the bottom end of the pull rod (14), an extrusion groove (18) is formed in the outer wall of the extrusion block (17), and a movable block (19) is connected inside the extrusion groove (18) in a sliding mode.
6. The battery module cell serial connection front cell balancing device according to claim 5, wherein: the movable block (19) outer wall articulates there is locating lever (20), locating lever (20) one end runs through inside spout (11), locating lever (20) and dog (10) sliding connection, constant head tank (21) have been seted up to spout (11) inner wall, locating lever (20) one end and constant head tank (21) sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320593545.2U CN219759692U (en) | 2023-03-24 | 2023-03-24 | Battery module electric core is electric core balancing unit before concatenating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320593545.2U CN219759692U (en) | 2023-03-24 | 2023-03-24 | Battery module electric core is electric core balancing unit before concatenating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759692U true CN219759692U (en) | 2023-09-26 |
Family
ID=88083585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320593545.2U Active CN219759692U (en) | 2023-03-24 | 2023-03-24 | Battery module electric core is electric core balancing unit before concatenating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219759692U (en) |
-
2023
- 2023-03-24 CN CN202320593545.2U patent/CN219759692U/en active Active
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| GR01 | Patent grant |