CN217405610U - Lithium ion auxiliary battery device - Google Patents
Lithium ion auxiliary battery device Download PDFInfo
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- CN217405610U CN217405610U CN202221210271.6U CN202221210271U CN217405610U CN 217405610 U CN217405610 U CN 217405610U CN 202221210271 U CN202221210271 U CN 202221210271U CN 217405610 U CN217405610 U CN 217405610U
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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 utility model relates to a lithium ion auxiliary battery device, which comprises a battery shell, a lithium battery module and a monitoring component; the battery case is characterized in that a mounting cavity is formed in the battery case, the battery case further comprises a connecting piece, the battery case can be connected with the whole vehicle through the connecting piece, the connecting piece comprises mounting pins and cushion blocks, the mounting pins are fixedly connected with the battery case, mounting holes are formed in the mounting pins, and the cushion blocks are connected with the mounting pins and used for improving the mounting height of the mounting pins; the lithium battery module is arranged in the installation cavity; the monitoring component is electrically connected with the lithium battery module and is used for monitoring the lithium battery module; the problem of current lithium battery module be difficult to adapt to the different motorcycle types and lead to the demand of different installation environment is solved.
Description
Technical Field
The utility model relates to a vehicle battery technical field especially relates to a lithium ion auxiliary battery device.
Background
In order to facilitate the installation of the lithium battery on the whole vehicle and to stabilize the operation of the lithium battery, for example, the battery pack installation box and the battery pack installation device proposed by the utility model with application number CN202120510399.3 can be adopted, wherein the battery pack is arranged in the accommodating groove of the mounting box body, the mounting piece stably connects the battery pack to the mounting box body, so that the battery pack is stably arranged in the accommodating groove, the shielding plate is movably connected with the mounting box body, after the battery pack is placed in the accommodating groove, the shielding plate is moved to be close to the mounting box body, so that the opening of the accommodating groove is covered by the shielding plate, thereby enabling the shielding plate to shield the exposed part of the battery pack, reducing the contact area between the battery pack and the external environment, therefore, the corrosion probability of the battery pack caused by dust and water vapor in the external environment is reduced, and the damage probability of the battery pack is further reduced.
However, the installation environment of the lithium battery modules of different vehicle types is different, and the existing lithium battery module is difficult to adapt to the requirements of the installation environment of different vehicle types.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide a lithium ion auxiliary battery device to solve the problem that the existing lithium battery module is difficult to adapt to different vehicle models and thus different installation environments are required.
The utility model provides a lithium ion auxiliary battery device, which comprises a battery shell, a lithium battery module and a monitoring component; the battery shell is internally provided with an installation cavity and also comprises a connecting piece, the battery shell can be connected with a whole vehicle through the connecting piece, the connecting piece comprises an installation pin and a cushion block, the installation pin is fixedly connected with the battery shell, the installation pin is provided with an installation hole, and the cushion block is connected with the installation pin and used for improving the installation height of the installation pin; the lithium battery module is arranged in the mounting cavity; the monitoring component is electrically connected with the lithium battery module and is used for monitoring the lithium battery module.
Furthermore, the battery shell comprises a battery box and a battery cover, the battery box is detachably connected with the battery cover, the battery box and the battery cover can be in butt joint to form the installation cavity, the lithium battery module is arranged in the battery box, and the monitoring assembly is arranged in the battery cover.
Furthermore, the quantity of connecting piece is a plurality of, and is a plurality of the connecting piece sets up relatively in battery case's both sides.
Furthermore, positive and negative output terminals electrically connected with the lithium battery module are arranged on the outer wall of the battery shell;
the battery case is provided with a pressure relief exhaust end, one end of the pressure relief exhaust end is communicated with the installation cavity, and the other end of the pressure relief exhaust end is communicated with the outside.
Further, the pressure relief exhaust end comprises a pressure relief exhaust pipe and a permeable membrane, the permeable membrane is mounted inside the pressure relief exhaust pipe, one end of the pressure relief exhaust pipe is communicated with the installation cavity, and the other end of the pressure relief exhaust pipe is communicated with the outside.
Furthermore, the monitoring assembly comprises a battery management system, a communicator and a relay, the battery management system is installed in the installation cavity, the battery management system is electrically connected with the lithium battery module and used for monitoring the battery state of the lithium battery module, the battery management system is electrically connected with the communicator and the relay, and the relay is electrically connected with the lithium battery module and used for switching on and off the lithium battery module based on the battery state of the lithium battery module.
Furthermore, the battery management system is electrically connected with the lithium battery module through a shunt and is used for collecting current signals of the lithium battery module.
Further, the lithium battery module includes module shell and laminate polymer battery cell, the module shell install in the installation cavity, place in the laminate polymer battery cell in the module shell, laminate polymer battery cell with battery management system and the relay electricity is connected.
Further, the module housing comprises two clamping plates and a side plate which are arranged in parallel, the soft package battery cell is arranged between the two clamping plates and connected through the side plate to form a C-shaped plate, a module flexible circuit board is mounted on the side plate, and the soft package battery cell is electrically connected with the battery management system and the relay through the module flexible circuit board;
the top and the bottom of curb plate all fixedly connected with buckle, two the draw-in groove has all been seted up on the splint, two on the curb plate the buckle respectively with two draw-in groove joint on the splint.
Further, soft-packaged battery core includes a plurality of electric core monomers and a plurality of bubble cotton that set gradually along a straight line direction, adjacent two all be provided with between the electric core monomer the bubble is cotton, a plurality of the electric core monomer electricity is connected.
Compared with the prior art, the installation foot is the structure that battery case and whole car are connected, the installation foot can be connected with whole car, because the motorcycle type is different and the different installation height that leads to battery device on the whole car floor has the difference, therefore, this embodiment remedies the difference of installation height through the cushion, it is concrete, through the cushion of selecting different thickness, the mounting height of adjustable installation foot, thereby the installation demand of the different motorcycle types of adaptation, lithium cell module sets up and can provide the electric energy for consumer in battery case's installation cavity, and simultaneously, through setting up the control subassembly of being connected with lithium cell module electricity, can implement the battery state of control lithium cell module, improve the security of lithium cell module work.
Drawings
Fig. 1 is a schematic structural diagram of an entire lithium-ion secondary battery device according to an embodiment of the present invention;
fig. 2 is an overall exploded view of an embodiment of the lithium-ion secondary battery device provided by the present invention;
fig. 3 is a schematic structural diagram of a monitoring assembly in an embodiment of the lithium-ion auxiliary battery device provided by the present invention;
fig. 4 is a schematic structural diagram of a lithium battery module in an embodiment of the lithium ion auxiliary battery device provided by the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
As shown in fig. 1-3, the lithium-ion auxiliary battery device in this embodiment includes a battery housing 100, a lithium battery module 200, and a monitoring assembly 300, wherein the battery housing 100 has a mounting cavity therein; the lithium battery module 200 is installed in the installation cavity, the battery case 100 further includes a connecting member 130, and the battery case 100 can be connected to the entire vehicle via the connecting member 130. Specifically, the connecting member 130 includes a mounting leg 131 and a spacer 132, the mounting leg 131 is fixedly connected to the battery case 100, a mounting hole is formed in the mounting leg 131, and the spacer 132 is connected to the mounting leg 131 to raise the mounting height of the mounting leg 131; the monitoring assembly 300 is electrically connected to the lithium battery module 200 for monitoring the lithium battery module 200.
Wherein, the installation foot 131 is the structure that battery case 100 is connected with whole car, the mounting hole on the installation foot 131, can use the screw to pass the mounting hole and be connected with whole car, because the motorcycle type is different and the different difference exists in the mounting height that leads to battery device of the different installation environment on the whole car floor, therefore, this embodiment compensates the difference of mounting height through cushion 132, and is concrete, through selecting the cushion 132 of different thickness, the mounting height of adjustable installation foot 131, thereby the installation demand of the different motorcycle types of adaptation, lithium cell module 200 sets up and can provide the electric energy for consumer in the installation cavity of battery case 100, and simultaneously, through setting up the monitoring subassembly 300 of being connected with lithium cell module 200 electricity, can implement the battery state of monitoring lithium cell module 200, improve the security of lithium cell module 200 work.
The battery case 100 of the present embodiment is a structure for supporting the lithium battery module 200 and the monitoring module 300, so that the battery case can be mounted on an electric device, such as a whole vehicle. Meanwhile, the lithium battery module 200 and the monitoring assembly 300 installed in the battery case 100 have shock resistance, water resistance and dust resistance.
In a preferred embodiment, the battery housing 100 includes a battery box 110 and a battery cover 120, the battery box 110 and the battery cover 120 are detachably connected, the battery box 110 and the battery cover 120 can be butted to form an installation cavity, the lithium battery module 200 is disposed in the battery box 110, and the monitoring assembly 300 is disposed in the battery cover 120. The detachable connection between the battery case 110 and the battery cover 120 facilitates maintenance, replacement of the lithium battery module 200, and the monitoring assembly 300.
To facilitate the removable connection between the battery housing 110 and the battery cover 120, in a preferred embodiment.
The number of the connecting members 130 is plural, and the connecting members 130 are disposed on two sides of the battery case 100, so as to improve the stability of the battery case 100.
Note that, the outer wall of the battery case 100 in the embodiment of the present invention is provided with positive and negative electrode output terminals 121 electrically connected to the lithium battery module 200.
The lithium battery module 200 is located in the installation cavity of the battery case 100, the working environment is relatively closed, and since the lithium battery module 200 has a heat release phenomenon during working, in order to implement the safety of the working of the battery device, in a preferred embodiment, a pressure relief exhaust end 122 is installed on the battery case 100, one end of the pressure relief exhaust end 122 is communicated with the installation cavity, and the other end of the pressure relief exhaust end 122 is communicated with the outside. The pressure relief vent 122 can vent excessive heat and gases inside the lithium battery module 200. Even when the lithium battery module 200 is broken or short-circuited, the thermal runaway of the lithium battery module 200 can release a large amount of heat and gas, a large amount of gas inside the battery case 100 can be discharged in a short time through the arranged pressure relief exhaust end 122, and the internal pressure of the battery is released to ensure the safety of the whole vehicle and a user.
In order to achieve the above function, in a preferred embodiment, the decompression exhaust end 122 includes a decompression exhaust pipe and a permeable membrane, the permeable membrane is installed inside the decompression exhaust pipe, one end of the decompression exhaust pipe is communicated with the installation cavity, and the other end of the decompression exhaust pipe is communicated with the outside.
It will be appreciated that the permeable membrane described above is a structure to balance the pressure and temperature in the two cavities, as would occur to one skilled in the art. Of course, in other preferred embodiments, the pressure relief and exhaust end 122 may also be replaced by other structures, which is not limited by the embodiment of the present invention.
The monitoring assembly 300 in the present embodiment is a structure for monitoring the battery state of the lithium battery module 200. Specifically, the monitoring assembly 300 includes a battery management system 310, a communicator 320 and a relay 330, the battery management system 310 is installed in the installation cavity, the battery management system 310 is electrically connected to the lithium battery module 200 for monitoring the battery state of the lithium battery module 200, the battery management system 310 is electrically connected to the communicator 320 and the relay 330, the relay 330 is electrically connected to the lithium battery module 200 for turning on and off the lithium battery module 200 based on the battery state of the lithium battery module 200, and the battery management system 310 collects various signals of the lithium battery module 200, such as current, voltage, temperature, and the like.
It is understood that the battery management system 310 in the embodiment of the present invention is a BMS battery system, which is a structure for monitoring the battery state of the lithium battery module 200 as would occur to those skilled in the art.
For example, when collecting the current of the lithium battery module 200, the battery management system 310 may be electrically connected to the lithium battery module 200 through a current divider 340 for collecting the current signal of the lithium battery module 200. The voltage and the temperature of the lithium battery module 200 can be acquired simultaneously.
The lithium battery module 200 in the present embodiment is a structure for supplying electric power to electric devices.
In a preferred embodiment, as shown in fig. 4, the lithium battery module 200 includes a module housing 210 and a pouch cell 220, the module housing 210 is installed in the installation cavity, the pouch cell 220 is arranged in the module housing 210, and the pouch cell 220 is electrically connected with the battery management system 310 and the relay 330.
Wherein, module shell 210 includes two splint 211 and a curb plate 212 of parallel arrangement, and soft-packaged electrical core 220 locates between two splint 211, connects via curb plate 212 between two splint 211 to form a C font board, install module flexible circuit board 230 on the curb plate 212, soft-packaged electrical core 220 is connected with battery management system 310 and relay 330 electricity via module flexible circuit board 230.
In order to facilitate the detachable connection between the two clamping plates 211 and the side plate 212, in a preferred embodiment, the top and the bottom of the side plate 212 are both fixedly connected with a buckle 213, the two clamping plates 211 are both provided with a clamping groove 214, and the two buckles 213 on the side plate 212 are respectively clamped with the clamping grooves 214 on the two clamping plates 211.
Of course, in other preferred embodiments, the connection between the clamping plate 211 and the side plate 212 can be replaced by other connection methods, so that the disassembly is convenient, and the connection is stable.
In a preferred embodiment, the soft-package battery cell 220 includes a plurality of battery cell units 221 and a plurality of foam 222 that are sequentially arranged along a straight line direction, the foam 222 is disposed between two adjacent battery cell units 221, and the battery cell units 221 are electrically connected. The foam 222 can absorb the expansion of the cell unit 221 during operation.
The embodiment of the utility model provides an in a plurality of electric core monomers 221 adopt the array mode of two parallel four strings to arrange, can provide the power of 12V voltage. Of course, not limited to the above arrangement.
Compared with the prior art: the installation foot 131 is the structure that battery case 100 is connected with whole car, the mounting hole on the installation foot 131, can use the screw to pass the mounting hole and be connected with whole car, because the motorcycle type is different and the different installation height that leads to battery device of installation environment on the whole car floor exists the difference, therefore, this embodiment compensates the difference of installation height through cushion 132, and is concrete, through selecting the cushion 132 of different thickness, adjustable installation foot 131's installation height, thereby the installation demand of the different motorcycle types of adaptation, lithium cell module 200 sets up and can provide the electric energy for consumer in battery case 100's installation cavity, and simultaneously, through setting up the monitoring component 300 of being connected with lithium cell module 200 electricity, can implement the battery state of monitoring lithium cell module 200, improve the security of lithium cell module 200 work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A lithium ion auxiliary battery device is characterized by comprising a battery shell, a lithium battery module and a monitoring assembly;
the battery shell is internally provided with an installation cavity and also comprises a connecting piece, the battery shell can be connected with a whole vehicle through the connecting piece, the connecting piece comprises an installation pin and a cushion block, the installation pin is fixedly connected with the battery shell, the installation pin is provided with an installation hole, and the cushion block is connected with the installation pin and used for improving the installation height of the installation pin;
the lithium battery module is arranged in the installation cavity;
the monitoring component is electrically connected with the lithium battery module and is used for monitoring the lithium battery module.
2. The li-ion assisted battery apparatus of claim 1, wherein the battery housing comprises a battery box and a battery cover, the battery box and the battery cover are detachably connected, the battery box and the battery cover can be butted to form the mounting cavity, the li-battery module is disposed in the battery box, and the monitoring assembly is disposed in the battery cover.
3. The lithium-ion auxiliary battery device according to claim 1, wherein the number of the connecting members is plural, and the plural connecting members are oppositely disposed on both sides of the battery case.
4. The lithium-ion auxiliary battery device as claimed in claim 1, wherein positive and negative output terminals electrically connected to the lithium battery module are provided on an outer wall of the battery case;
the battery case is provided with a pressure relief exhaust end, one end of the pressure relief exhaust end is communicated with the installation cavity, and the other end of the pressure relief exhaust end is communicated with the outside.
5. The lithium-ion auxiliary battery device according to claim 4, wherein the pressure relief exhaust end comprises a pressure relief exhaust pipe and a permeable membrane, the permeable membrane is mounted inside the pressure relief exhaust pipe, one end of the pressure relief exhaust pipe is communicated with the mounting cavity, and the other end of the pressure relief exhaust pipe is communicated with the outside.
6. The li-ion assisted battery apparatus of claim 1, wherein the monitoring assembly comprises a battery management system, a communicator and a relay, the battery management system is installed in the installation cavity, the battery management system is electrically connected with the li-battery module for monitoring the battery status of the li-battery module, the battery management system is electrically connected with the communicator and the relay, and the relay is electrically connected with the li-battery module for switching on and off the li-battery module based on the battery status of the li-battery module.
7. The li-ion assisted battery apparatus of claim 6, wherein the battery management system is electrically connected to the li battery module via a shunt for collecting current signals of the li battery module.
8. The li-ion assisted battery apparatus of claim 7, wherein the li-battery module comprises a module housing and a pouch cell, the module housing is mounted in the mounting cavity, the pouch cell is embedded in the module housing, and the pouch cell is electrically connected to the battery management system and the relay.
9. The lithium ion auxiliary battery device according to claim 8, wherein the module housing comprises two clamping plates and a side plate, the two clamping plates are arranged in parallel, the soft package battery cell is arranged between the two clamping plates, the two clamping plates are connected through the side plate to form a C-shaped plate, a module flexible circuit board is mounted on the side plate, and the soft package battery cell is electrically connected with the battery management system and the relay through the module flexible circuit board;
the top and the bottom of curb plate all fixedly connected with buckle, two the draw-in groove has all been seted up on the splint, two on the curb plate the buckle respectively with two draw-in groove joint on the splint.
10. The lithium-ion auxiliary battery device according to claim 8, wherein the flexible package battery cell comprises a plurality of battery cell units and a plurality of foam arranged in sequence along a straight line direction, the foam is arranged between two adjacent battery cell units, and the battery cell units are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210271.6U CN217405610U (en) | 2022-05-17 | 2022-05-17 | Lithium ion auxiliary battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210271.6U CN217405610U (en) | 2022-05-17 | 2022-05-17 | Lithium ion auxiliary battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217405610U true CN217405610U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221210271.6U Active CN217405610U (en) | 2022-05-17 | 2022-05-17 | Lithium ion auxiliary battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217405610U (en) |
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2022
- 2022-05-17 CN CN202221210271.6U patent/CN217405610U/en active Active
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