CN216213853U - Explosion-proof high-voltage lithium battery power supply device - Google Patents
Explosion-proof high-voltage lithium battery power supply device Download PDFInfo
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- CN216213853U CN216213853U CN202122777019.5U CN202122777019U CN216213853U CN 216213853 U CN216213853 U CN 216213853U CN 202122777019 U CN202122777019 U CN 202122777019U CN 216213853 U CN216213853 U CN 216213853U
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 98
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 17
- 238000004880 explosion Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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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 discloses an explosion-proof high-voltage lithium battery power supply device which comprises an explosion-proof box body, an explosion-proof box cover, a battery management system, a lithium battery cell and a heating film, wherein the explosion-proof box body is provided with a box cover; the explosion-proof box body is provided with the explosion-proof box cover, the joint of the explosion-proof box body and the explosion-proof box cover is an explosion-proof joint surface, and the fastening bolts are arranged at the peripheral joint of the explosion-proof box body and the explosion-proof box cover; the battery management system and the lithium battery cell are arranged in the explosion-proof box body, the battery management system is electrically connected with the lithium battery cell, and the battery management system is used for controlling the working state of the lithium battery cell; the explosion-proof box cover is provided with a charging port, a discharging port and a wire outlet terminal, the heating film is installed at the bottom of the lithium battery cell, and the heating film is electrically connected with the battery management system. The explosion-proof high-voltage lithium battery power supply device is used for a power device of an explosion-proof industrial vehicle, and has the advantages of small volume, quick charging, safety and stability.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to an explosion-proof high-voltage lithium battery power supply device.
Background
When the explosion-proof industrial vehicle is produced and manufactured, all electrical parts need to be subjected to explosion-proof treatment according to relevant national standards; the power device as a core component of the whole vehicle is related to various aspects of the performance, safety, service life and the like of the whole vehicle.
The lead-acid battery adopted in the prior art has the defects of long charging time, short service life, large volume, environmental pollution and the like. The low-voltage lithium battery has the defects of low capacity, frequent charging, incapability of charging in a low-temperature environment, need of being matched with a special charger and the like. And the explosion-proof treatment difficulty of the high-voltage lithium battery is not realized, and the high-voltage lithium battery cannot be applied to dangerous explosion-proof places.
Therefore, an explosion-proof high-voltage lithium battery power supply device which can be used for an explosion-proof industrial vehicle power device is lacked in the market.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides an explosion-proof high-voltage lithium battery power supply device which is used for a power device of an explosion-proof industrial vehicle and has the advantages of small volume, quick charging, safety and stability.
The technical scheme provided by the utility model is as follows:
an explosion-proof high-voltage lithium battery power supply device comprises an explosion-proof box body, an explosion-proof box cover, a battery management system, a lithium battery cell and a heating film;
the explosion-proof box body is provided with the explosion-proof box cover, the joint of the explosion-proof box body and the explosion-proof box cover is an explosion-proof joint surface, and the fastening bolts are arranged at the peripheral joint of the explosion-proof box body and the explosion-proof box cover;
the battery management system and the lithium battery cell are arranged in the explosion-proof box body, the battery management system is electrically connected with the lithium battery cell, and the battery management system is used for controlling the working state of the lithium battery cell;
the explosion-proof box cover is provided with a charging port, a discharging port and a wire outlet terminal, a charging wire of a lithium battery cell is connected with the outside through the charging port, a discharging wire of the lithium battery cell is connected with the outside through the discharging port, and the lithium battery is connected with an external circuit through the wire outlet terminal;
the heating film is installed at the bottom of the lithium battery cell, and the heating film is electrically connected with the battery management system.
The battery management system is installed at a position, close to the explosion-proof box cover, of the upper portion in the explosion-proof box body, the inner wall of the explosion-proof box body is located below the battery management system, a battery cell installation seat is further arranged below the battery management system, and a lithium battery cell is installed on the battery cell installation seat.
The lithium battery management system comprises a lithium battery core, a battery management system and a temperature detection sensor, wherein the lithium battery core is provided with the temperature detection sensor, and the temperature detection sensor is electrically connected with the battery management system.
The lithium battery management system comprises a lithium battery core, a battery management system and a voltage detection sensor, wherein the lithium battery core is provided with the voltage detection sensor, and the voltage detection sensor is electrically connected with the battery management system.
The lithium battery cores are connected in series.
And the discharge port on the explosion-proof box cover is connected with an explosion-proof bolt.
And a charging port on the explosion-proof box cover is connected with an international charging seat.
The inner wall of the explosion-proof box body is provided with a partition plate, the partition plate is provided with a limiting pressing strip, and the limiting pressing strip is used for fixing the position of the lithium battery cell.
The battery cell mounting seats are divided into an upper row and a lower row, and the lithium battery cells are distributed in the explosion-proof box body to form an upper layer and a lower layer.
Wherein, the explosion-proof box body and the explosion-proof box cover are both made of Q235B steel plates with the thickness of more than 10 mm.
Compared with the prior art, the explosion-proof high-voltage lithium battery power supply device provided by the utility model is provided with the explosion-proof box body and the explosion-proof box cover, wherein the joint surface of the explosion-proof box body and the explosion-proof box cover is an explosion-proof joint surface and is fixedly connected by fastening bolts, the battery management system is arranged in the explosion-proof box body and the explosion-proof box cover and is used for monitoring working states of voltage, temperature and the like of a lithium battery cell in real time, the heating film is arranged for heating the lithium battery cell, and the lithium battery cell is prevented from being charged at a low temperature.
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 the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an explosion-proof high-voltage lithium battery power supply device;
fig. 2 is a plan view of the explosion-proof tank cover 7;
1-a battery management system; 2-a lithium battery cell; 3-limiting and pressing strips; 4-a separator; 5-heating the film; 6-fastening bolts; 7-explosion-proof case cover; 8-an explosion-proof box body; 9-national standard charging seat; 10-outlet terminal, 11-explosion-proof bolt.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, the meaning of a plurality of "or" a plurality "is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure.
Embodiments of the present invention are written in a progressive manner.
As shown in fig. 1 and fig. 2, an explosion-proof high-voltage lithium battery power supply device includes an explosion-proof box body 8, an explosion-proof box cover 7, a battery management system 1, a lithium battery cell 2 and a heating film 5;
the explosion-proof box body 8 is provided with the explosion-proof box cover 7, the joint of the explosion-proof box body 8 and the explosion-proof box cover 7 is an explosion-proof joint surface, and bolts 6 are fastened at the joint of the periphery of the explosion-proof box body 8 and the explosion-proof box cover 7;
the battery management system 1 and the lithium battery cell 2 are installed in the explosion-proof box body 8, the battery management system 1 is electrically connected with the lithium battery cell 2, and the battery management system 1 is used for controlling the working state of the lithium battery cell 2;
a charging port, a discharging port and a wire outlet terminal 10 are arranged on the explosion-proof box cover 7, a charging wire of the lithium battery cell 2 is connected with the outside through the charging port, a discharging wire of the lithium battery cell 2 is connected with the outside through the discharging port, and the lithium battery is connected with an external circuit through the wire outlet terminal 10;
the heating film 5 is installed at the bottom of the lithium battery cell 2, and the heating film 5 is electrically connected with the battery management system 1.
The explosion-proof high-voltage lithium battery power supply device comprises an explosion-proof box body 8 and an explosion-proof box cover 7 which are made of explosion-proof materials, wherein the joint of the explosion-proof box body 8 and the explosion-proof box cover 7 is an explosion-proof joint surface which can be a plane joint surface for connection, and meanwhile, a firm bolt is additionally arranged for connection, so that the explosion-proof performance of the lithium battery power supply device can be ensured, and the explosion-proof high-voltage lithium battery power supply device is safe and reliable.
The state stipulates that the lithium battery is not allowed to be charged in an environment with the temperature lower than 0 degree, and the heating film 5 is used for heating the lithium battery cell 2, so that the device has a low-temperature charging function, and the power supply device runs stably.
Further, the battery management system 1 is installed at a position where the upper portion in the explosion-proof box body 8 is close to the explosion-proof box cover 7, the inner wall of the explosion-proof box body 8 is located below the battery management system 1, a battery cell installation seat is further arranged, and the lithium battery cell 2 is installed on the battery cell installation seat. The battery management system 1 is arranged above the explosion-proof box body 8, so that the cable can be led out conveniently and the daily maintenance can be carried out conveniently.
Further, a temperature detection sensor is arranged on the lithium battery cell 2, and the temperature detection sensor is electrically connected with the battery management system 1. The temperature detection sensor is used for detecting the temperature of the lithium battery cell 2 in real time, transmitting data to the battery management system 1, and when the temperature of the lithium battery cell 2 is detected to be over, the battery management system 1 can start the heating film 5 to heat the lithium battery cell 2, so that the temperature of the lithium battery cell 2 is accurately adjusted, and the safety of the power supply device is ensured. Meanwhile, the temperature detection sensor is used for monitoring the temperature of the battery cell in real time, and can also prevent overhigh temperature during charging and discharging, so that the safety under a high-voltage state is ensured.
Further, a voltage detection sensor is arranged on the lithium battery cell 2, and the voltage detection sensor is electrically connected with the battery management system 1. The voltage detection sensor is used for monitoring the state of the battery cell in real time, and preventing the over-discharge and over-charge of the lithium battery cell 2, thereby influencing the service life of the battery cell.
Further, lithium battery electric core 2 is connected through the mode of establishing ties, and the series connection of lithium battery can guarantee whole lithium battery power supply unit's high-voltage output.
Further, an explosion-proof bolt 11 is connected to a discharge port on the explosion-proof box cover 7.
Further, a charging port on the explosion-proof box cover 7 is connected with an international charging seat.
The anti-explosion high-voltage lithium battery power supply device is designed for charging and discharging different ports, an anti-explosion bolt 11 is connected to a discharging port, and a national standard charging gun is connected to a charging port. During discharging, the battery management system 1 disconnects the charging circuit according to the program setting to enable the charging port to be uncharged, so that normal use in an explosion-proof place is ensured. When charging, the battery management system 1 is disconnected with the discharging circuit and is connected with the charging circuit, and the charging circuit is designed strictly according to the requirements of the national standard 'connecting device for electric vehicle conduction charging', so that the device is ensured to have the function of charging in the universal charging pile of the new energy vehicle.
Further, the inner wall of the explosion-proof box body 8 is provided with a partition plate 4, the partition plate 4 is provided with a limiting pressing strip 3, and the limiting pressing strip 3 is used for fixing the position of the lithium battery cell 2.
Furthermore, the partition plate 4 is welded on the inner wall of the explosion-proof box body 8, an auxiliary pressing strip mounting seat is arranged on the partition plate 4, and the limiting pressing strip 3 is mounted on the pressing strip mounting seat through screws. The distance between the baffle 4 with lithium battery cell 2's width is the same, guarantees that the battery can not control and rocks, and spacing layering 3 is pressed lithium battery cell 2's top guarantees that lithium battery cell 2 can not rock from top to bottom.
Preferably, the battery cell installation seats are divided into two or more rows, and the lithium battery cells 2 are divided into two or more layers in the explosion-proof box body 8. The lithium battery cell 2 is divided into two layers or multiple layers and is arranged below the battery management, so that the spatial layout is more reasonable, and the space is more saved.
Further, the explosion-proof box body 8 is made of a Q235B steel plate with the thickness of more than 10mm, and the explosion-proof box cover 7 is also made of a Q235B steel plate with the thickness of more than 10 mm. The structures of the explosion-proof box body 8 and the explosion-proof box cover 7 can ensure that no leakage exists under the pressure of 1.5MPa, and the safety is high.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An explosion-proof high-voltage lithium battery power supply device is characterized by comprising an explosion-proof box body (8), an explosion-proof box cover (7), a battery management system (1), a lithium battery cell (2) and a heating film (5);
the explosion-proof box body (8) is provided with the explosion-proof box cover (7), the joint of the explosion-proof box body (8) and the explosion-proof box cover (7) is an explosion-proof joint surface, and fastening bolts (6) are arranged at the peripheral joint of the explosion-proof box body (8) and the explosion-proof box cover (7);
the battery management system (1) and the lithium battery cell (2) are installed in the explosion-proof box body (8), the battery management system (1) is electrically connected with the lithium battery cell (2), and the battery management system (1) is used for controlling the working state of the lithium battery cell (2);
a charging port, a discharging port and a wire outlet terminal (10) are arranged on the explosion-proof box cover (7), a charging wire of the lithium battery cell (2) is connected with the outside through the charging port, a discharging wire of the lithium battery cell (2) is connected with the outside through the discharging port, and the lithium battery is connected with an external circuit through the wire outlet terminal (10);
the heating film (5) is installed at the bottom of the lithium battery electric core (2), and the heating film (5) is electrically connected with the battery management system (1).
2. An explosion proof high voltage lithium battery power supply unit as defined in claim 1, characterized in that:
the battery management system (1) is installed at a position, close to the explosion-proof box cover (7), of the upper portion in the explosion-proof box body (8), the inner wall of the explosion-proof box body (8) is located below the battery management system (1) and is further provided with a battery cell installation seat, and the lithium battery cell (2) is installed on the battery cell installation seat.
3. An explosion proof high voltage lithium battery power supply unit as defined in claim 2, characterized in that:
the lithium battery management system is characterized in that a temperature detection sensor is arranged on the lithium battery cell (2), and the temperature detection sensor is electrically connected with the battery management system (1).
4. An explosion proof high voltage lithium battery power supply unit as defined in claim 3, characterized in that:
and a voltage detection sensor is arranged on the lithium battery cell (2), and the voltage detection sensor is electrically connected with the battery management system (1).
5. An explosion proof high voltage lithium battery power supply unit as defined in claim 4, wherein:
the lithium battery electric cores (2) are connected in series.
6. An explosion proof high voltage lithium battery power supply unit as defined in claim 5, wherein:
and a discharge port on the explosion-proof box cover (7) is connected with an explosion-proof bolt (11).
7. An explosion proof high voltage lithium battery power supply unit as defined in claim 6, wherein:
and a charging port on the explosion-proof box cover (7) is connected with an international charging seat.
8. An explosion proof high voltage lithium battery power supply unit as defined in claim 7, wherein:
the inner wall of the explosion-proof box body (8) is provided with a partition board (4), a limiting pressing strip (3) is arranged on the partition board (4), and the limiting pressing strip (3) is used for fixing the position of the lithium battery cell (2).
9. An explosion proof high voltage lithium battery power supply unit as defined in claim 8, wherein:
the battery cell mounting seats are divided into more than two rows, and the battery cells (2) of the lithium battery are divided into more than two layers in the explosion-proof box body (8).
10. An explosion proof high voltage lithium battery power supply unit as defined in claim 9, wherein:
the explosion-proof box body (8) and the explosion-proof box cover (7) are both made of Q235B steel plates with the thickness of more than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122777019.5U CN216213853U (en) | 2021-11-13 | 2021-11-13 | Explosion-proof high-voltage lithium battery power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122777019.5U CN216213853U (en) | 2021-11-13 | 2021-11-13 | Explosion-proof high-voltage lithium battery power supply device |
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| CN216213853U true CN216213853U (en) | 2022-04-05 |
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| CN202122777019.5U Active CN216213853U (en) | 2021-11-13 | 2021-11-13 | Explosion-proof high-voltage lithium battery power supply device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006113A (en) * | 2021-11-13 | 2022-02-01 | 衡阳合力工业车辆有限公司 | Explosion-proof high-voltage lithium battery power supply device |
| WO2025213715A1 (en) * | 2024-04-11 | 2025-10-16 | 理士国际控股有限公司 | High-voltage ups battery system |
-
2021
- 2021-11-13 CN CN202122777019.5U patent/CN216213853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006113A (en) * | 2021-11-13 | 2022-02-01 | 衡阳合力工业车辆有限公司 | Explosion-proof high-voltage lithium battery power supply device |
| WO2025213715A1 (en) * | 2024-04-11 | 2025-10-16 | 理士国际控股有限公司 | High-voltage ups battery system |
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