CN116031565A - Quick preheating device for power battery pack - Google Patents
Quick preheating device for power battery pack Download PDFInfo
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- CN116031565A CN116031565A CN202310324414.9A CN202310324414A CN116031565A CN 116031565 A CN116031565 A CN 116031565A CN 202310324414 A CN202310324414 A CN 202310324414A CN 116031565 A CN116031565 A CN 116031565A
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- power battery
- mounting panel
- battery pack
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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
Abstract
The invention relates to the technical field of preheating of power battery packs, in particular to a rapid preheating device for a power battery pack, which comprises a first mounting plate, a first connecting plate, a second mounting plate, a second connecting plate and a sliding block, wherein the bottom of the first mounting plate is connected with the first connecting plate in a sliding manner, the second mounting plate is connected with the first mounting plate in a sliding manner, the bottom of the second mounting plate is connected with the second connecting plate in a sliding manner, and a screw is connected with the second mounting plate in a threaded manner. Can carry out spacing fixed to the power battery group of different specifications, enlarge the application face, temperature and humidity sensor monitors humidity, absorbs the inside moisture of device through opening the dehumidifier that adjusts temperature, reinforcing protective effect, the reinforcing practicality unscrews screw rod, first bolt and second bolt, pulls open first mounting panel, first connecting plate, second mounting panel and second connecting plate to both sides in proper order, clears up and maintains, reduces the maintenance degree of difficulty, saves operating time and energy, reinforcing convenience.
Description
Technical Field
The invention relates to the technical field of preheating of power battery packs, in particular to a rapid preheating device for a power battery pack.
Background
The power battery is a power supply for providing power for tools, is mainly different from a starting battery for starting an automobile engine, and is mainly a valve port sealed lead-acid battery, an open tubular lead-acid battery and a lithium iron phosphate battery, and the battery pack is divided into a series battery pack and a parallel battery pack, wherein the voltage of each battery is the same, the output voltage is equal to the voltage of one battery, the parallel battery pack can provide stronger current, and the series battery pack has no excessive requirements, so the power battery pack consists of a plurality of power batteries, when the air around the power battery pack is lower, the performance of the power battery pack is influenced by a working ring mirror, so the power battery pack cannot exert the maximum effect, and particularly under the low-temperature condition, the charging time of the power battery pack is increased, and the battery performance of the battery is reduced, so that the starting of the vehicle is difficult, the power battery pack needs to be preheated, and the power battery pack can work normally, and a preheating device is needed.
The working specification of the device can not be adjusted according to the size specification of the power battery pack when the traditional preheating device is used, so that the application range of the device is reduced, the traditional preheating device lacks a dehumidification function, the air in the device is affected by the temperature difference, liquefaction can occur, the electronic component is easy to drop on the electronic component to cause faults such as short circuit, the safety of the device is reduced, the traditional preheating device is inconvenient to disassemble and assemble the device when the device is used, a large amount of time and effort are required to be consumed by maintenance personnel when the device is maintained, and the device is very troublesome to use and reduce the practicality.
Disclosure of Invention
The present invention is directed to a rapid preheating device for a power battery pack, which solves the above-mentioned problems of the related art. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a quick preheating device for power battery group, includes first mounting panel, first connecting plate, second mounting panel, second connecting plate and slider, the bottom sliding connection of first mounting panel has first connecting plate, sliding connection has the second mounting panel in the first mounting panel, the bottom sliding connection of second mounting panel has the second connecting plate, threaded connection has the screw rod on the second mounting panel, the surface of screw rod offsets with the surface of first mounting panel, the spout has been seted up at the top of first mounting panel, sliding connection has the slider in the spout, fixedly connected with fixed plate on the top terminal surface of slider, install the heating rod on the fixed plate, the fixed plate obtains the bottom fixed through and installs the otter board, the equal fixed embedding of bottom of first mounting panel and first connecting plate installs the heating plate, equal fixed embedding installs temperature and humidity sensor on the inner wall of first mounting panel, the bottom sliding connection of first mounting panel has first slide, fixed mounting has the dehumidifier on the top terminal surface of first slide, the bottom sliding connection has the second mounting panel, the top terminal surface of second slide is installed on the first slider.
Preferably, the number of the sliding blocks is four, the four sliding blocks are divided into two groups of sliding blocks, and the two groups of sliding blocks are connected with first bolts in a threaded manner.
Preferably, the number of the first bolts is four, and the tail ends of the four first bolts are correspondingly connected to the top of the first mounting plate through threads.
Preferably, the number of the sliding grooves is two, two groups of sliding blocks are correspondingly distributed in the two sliding grooves, and plug plates are plugged in the sliding grooves.
Preferably, the top of first connecting plate has seted up the spread groove, the top threaded connection of second connecting plate has the second bolt, the bottom surface of second bolt offsets with the top face of first connecting plate.
Preferably, the output end of the temperature-adjusting dehumidifier is movably installed on the first mounting plate in a penetrating way, and one ends of the first mounting plate and the first connecting plate are outwards protruded to form a first working cavity and a second working cavity.
Preferably, the number of the temperature-adjusting type dehumidifier and the number of the power supply modules are two, and the two temperature-adjusting type dehumidifier and the two power supply modules are correspondingly distributed in the first working cavity and the second working cavity.
Preferably, the number of the fixing plates is two, the two fixing plates are slidably connected in the first mounting plate, the number of the heating plates is multiple, and the heating plates are equidistantly distributed at the bottoms of the first mounting plate and the first connecting plate.
Preferably, the number of the heating rods is multiple, the heating rods are correspondingly distributed on the two fixing plates at equal distance, the number of the net plates is two, and the two net plates are correspondingly distributed on the two fixing plates.
Preferably, the bottom of heating rod is located the inside of otter board, the controller respectively with temperature regulation formula dehumidifier, power module, temperature and humidity sensor, heating plate and heating rod electric connection.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a screw rod and a second bolt are unscrewed, a first mounting plate, a first connecting plate, a second mounting plate and a second connecting plate are sequentially pulled away to two sides, a power battery pack is placed between the first mounting plate and the second mounting plate, the first bolt is unscrewed, a fixed plate is pushed to slide on the first mounting plate in cooperation with a sliding block, the internal space of the first mounting plate is planned, then the first mounting plate, the first connecting plate, the second mounting plate and the second connecting plate are sequentially pushed to specified positions, and then the screw rod, the first bolt and the second bolt are screwed down, so that the power battery packs with different specifications can be limited and fixed, and the application range of the device is enlarged;
according to the invention, the temperature and humidity sensor monitors humidity, and the temperature-adjusting dehumidifier is opened to absorb the moisture in the device, so that the drying of the device is ensured, the protection effect of the device on the power battery pack and the electronic component is enhanced, and the practicability of the device is enhanced;
according to the invention, when the device needs to be maintained and accessories are replaced, the screw rod, the first bolt and the second bolt are unscrewed, the first mounting plate, the first connecting plate, the second mounting plate and the second connecting plate are sequentially pulled away to two sides, and meanwhile, the plug plate is taken down, so that the internal parts of the device are convenient to clean and maintain, the maintenance difficulty of staff is reduced, the working time and energy are saved, and the convenience of the device is enhanced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view showing a bottom perspective structure of the present invention;
FIG. 3 is a schematic top cross-sectional view of the present invention;
FIG. 4 is a schematic rear cross-sectional view of the present invention;
fig. 5 is a schematic view of a right-side cross-sectional structure in the present invention.
In the figure: 1. a first mounting plate; 2. a first connection plate; 3. a second mounting plate; 4. a second connecting plate; 5. a slide block; 6. a first bolt; 7. a fixing plate; 8. a heating rod; 9. a screen plate; 10. a heating sheet; 11. a temperature and humidity sensor; 12. a first slide plate; 13. a temperature-regulating dehumidifier; 14. a second slide plate; 15. a power module; 16. a controller; 17. a screw; 18. a second bolt; 19. a plug board.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a quick preheating device for power battery, including first mounting panel 1, first connecting plate 2, second mounting panel 3, second connecting plate 4 and slider 5, the bottom sliding connection of first mounting panel 1 has first connecting plate 2, sliding connection has second mounting panel 3 in first mounting panel 1, sliding connection has second connecting plate 4 in the bottom of second mounting panel 3, threaded connection has screw 17 on the second mounting panel 3, the surface of screw 17 offsets with the surface of first mounting panel 1, through unscrewing screw 17, first bolt 6 and second bolt 18, pull open first mounting panel 1 in proper order to both sides, first connecting plate 2, second mounting panel 3 and second connecting plate 4, simultaneously take off cock 19, the convenience is clear up and the maintenance to the inside parts of device for the maintenance degree of difficulty of staff reduces, the spout has been seted up at the top of first mounting panel 1, sliding connection has slider 5, the top end surface of the sliding block 5 is fixedly connected with a fixed plate 7, a heating rod 8 is arranged on the fixed plate 7, the heating rod 8 is arranged on the fixed plate 7 in a clearance fit manner, the fixed plate 7 is fixedly provided with a screen 9 which penetrates through the bottom, the bottoms of the first mounting plate 1 and the first connecting plate 2 are fixedly embedded and provided with heating plates 10, the bottoms of the first mounting plate 1 and the inner wall of the first connecting plate 2 are fixedly embedded and provided with temperature and humidity sensors 11, the bottoms of the first mounting plate 1 are slidably connected with a first sliding plate 12, the top end surface of the first sliding plate 12 is fixedly provided with a temperature-regulating dehumidifier 13, moisture in the device is absorbed by opening the temperature-regulating dehumidifier 13, the drying of the device is ensured, the protection effect of the device on a power battery pack and electronic components is enhanced, the practicability of the device is enhanced, the bottoms of the first mounting plate 1 are slidably connected with a second sliding plate 14, the top end surface of the second slide plate 14 is fixedly provided with a power module 15, and the first mounting plate 1 is fixedly provided with a controller 16.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the number of the sliders 5 is four, the four sliders 5 are divided into two groups of sliders 5, and the two groups of sliders 5 are each screwed with a first bolt 6.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the number of the first bolts 6 is four, the ends of the four first bolts 6 are correspondingly connected to the top of the first mounting plate 1 through threads, the first mounting plate 1 is provided with a through groove, and the screw 17 is located in the through groove.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the number of the sliding grooves is two, two sets of sliding blocks 5 are correspondingly distributed in the two sliding grooves, and plug plates 19 are plugged in the sliding grooves.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, a connecting groove is formed in the top of the first connecting plate 2, a second bolt 18 is screwed on the top of the second connecting plate 4, the bottom outer surface of the second bolt 18 abuts against the top end surface of the first connecting plate 2, the screw 17 and the second bolt 18 are unscrewed, the first mounting plate 1, the first connecting plate 2, the second mounting plate 3 and the second connecting plate 4 are sequentially pulled apart to two sides, a power battery pack is placed between the first mounting plate 1 and the second mounting plate 3, the first bolt 6 is unscrewed, and the fixing plate 7 is pushed to slide on the first mounting plate 1 in cooperation with the sliding block 5, so that the internal space of the first mounting plate 1 is planned.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the output end of the temperature-adjusting dehumidifier 13 is movably installed on the first installation plate 1, and one ends of the first installation plate 1 and the first connection plate 2 are both protruded outwards to form a first working cavity and a second working cavity.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the number of the temperature-adjusting type dehumidifiers 13 and the number of the power modules 15 are two, and the two temperature-adjusting type dehumidifiers 13 and the two power modules 15 are correspondingly distributed in the first working chamber and the second working chamber.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the number of the fixing plates 7 is two, the two fixing plates 7 are slidably connected in the first mounting plate 1, the number of the heating plates 10 is plural, and the plural heating plates 10 are equidistantly distributed at the bottoms of the first mounting plate 1 and the first connecting plate 2.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the number of the heating rods 8 is plural, the plural heating rods 8 are equidistantly and correspondingly distributed on the two fixing plates 7, the number of the mesh plates 9 is two, and the two mesh plates 9 are correspondingly distributed on the two fixing plates 7.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the bottom of the heating rod 8 is located inside the screen 9, the controller 16 is electrically connected with the temperature-adjusting dehumidifier 13, the power module 15, the temperature and humidity sensor 11, the heating sheet 10 and the heating rod 8 respectively, the controller 16 controls the on-off of the electronic component circuit of the device, and the controller 16 controls to open the heating rod 8 and the temperature-adjusting dehumidifier 13, so that the heating rod 8 cooperates with the temperature-adjusting dehumidifier 13 to heat the device, and the surrounding environment of the power battery pack is heated to a specified temperature.
The application method and the advantages of the invention are as follows: when the rapid preheating device for the power battery pack is used, the working process is as follows:
as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, when the device is used, firstly, an external power supply and an internal power supply module 15 are carried out on electric equipment in the device, a screw rod 17 and a second bolt 18 are unscrewed, a first mounting plate 1, a first connecting plate 2, a second mounting plate 3 and a second connecting plate 4 are sequentially pulled open to two sides, a power battery pack is placed between the first mounting plate 1 and the second mounting plate 3, a first bolt 6 is unscrewed, a fixing plate 7 is pushed to slide on the first mounting plate 1 in cooperation with a sliding block 5, the internal space of the first mounting plate 1 is planned, then the first mounting plate 1, the first connecting plate 2, the second mounting plate 3 and the second connecting plate 4 are sequentially pushed to a designated position, and then a screw rod 17, the first bolt 6 and the second bolt 18 are screwed, so that limit fixing can be carried out on power battery packs with different specifications, the applicable surface of the device is enlarged, and the problem that the applicable surface of the device is reduced due to the fact that the working specification of the device cannot be adjusted according to the size specification of the power battery pack when the existing preheating device is used is solved.
The device and the power battery pack are installed at a designated position, then the temperature and humidity inside the device are monitored in real time through the temperature and humidity sensor 11, signals are transmitted to the controller 16, the heating rod 8 and the temperature-regulating dehumidifier 13 are controlled to be opened through the controller 16, the heating rod 8 is matched with the temperature-regulating dehumidifier 13 to heat the device, the surrounding environment of the power battery pack is heated to the designated temperature, the efficacy of the power battery pack in low-temperature weather is enhanced, meanwhile, the humidity is monitored through the temperature and humidity sensor 11, the moisture inside the device is absorbed through the temperature and humidity sensor 11, the drying inside the device is guaranteed, the protection effect of the device on the power battery pack and electronic components is enhanced, the practicability of the device is enhanced, the problem that the existing preheating device lacks a dehumidification function, the air inside the device is influenced by the temperature difference, the liquefaction can occur, faults such as short circuits of the electronic components are easily caused by dripping on the electronic components, and the safety of the device is lowered is solved.
When the device needs to be maintained and accessories are replaced, the screw 17, the first bolt 6 and the second bolt 18 are unscrewed, the first mounting plate 1, the first connecting plate 2, the second mounting plate 3 and the second connecting plate 4 are sequentially pulled away from two sides, the plug plate 19 is taken down simultaneously, the internal components of the device are convenient to clean and maintain, the maintenance difficulty of staff is reduced, the working time and energy are saved, the convenience of the device is enhanced, the problem that the existing preheating device is inconvenient to disassemble and assemble the device when in use is solved, a great amount of time and energy are consumed when the device is maintained by the maintainer, and the problem that the use convenience of the device is reduced is very troublesome.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a quick preheating device for power battery group, includes first mounting panel (1), first connecting plate (2), second mounting panel (3), second connecting plate (4) and slider (5), its characterized in that: the bottom sliding connection of first mounting panel (1) has first connecting plate (2), sliding connection has second mounting panel (3) in first mounting panel (1), the bottom sliding connection of second mounting panel (3) has second connecting plate (4), threaded connection has screw rod (17) on second mounting panel (3), the surface of screw rod (17) offsets with the surface of first mounting panel (1), the spout has been seted up at the top of first mounting panel (1), sliding connection has slider (5) in the spout, fixedly connected with fixed plate (7) on the top terminal surface of slider (5), install heating rod (8) on fixed plate (7), fixed plate (7) obtain bottom fixed through-mounting have otter board (9), all fixed embedding is installed in the bottom of first mounting panel (1) and first connecting plate (2) have heating plate (10), all fixed embedding install temperature and humidity sensor (11) on the inner wall of first mounting panel (1) and first connecting plate (2), fixed connection has first terminal surface (12) on the top terminal surface of first mounting panel (12) of sliding connection first slider (13), the power module (15) is fixedly installed on the top end face of the second sliding plate (14), and the controller (16) is fixedly installed on the first mounting plate (1).
2. A rapid warm-up apparatus for a power battery pack according to claim 1, wherein: the number of the sliding blocks (5) is four, the four sliding blocks (5) are divided into two groups of sliding blocks (5), and the two groups of sliding blocks (5) are respectively connected with a first bolt (6) in a threaded manner.
3. A rapid warm-up apparatus for a power battery pack according to claim 2, wherein: the number of the first bolts (6) is four, and the tail ends of the four first bolts (6) are correspondingly connected to the top of the first mounting plate (1) through threads.
4. A rapid warm-up apparatus for a power battery pack according to claim 1, wherein: the number of the sliding grooves is two, two groups of sliding blocks (5) are correspondingly distributed in the two sliding grooves, and plug plates (19) are plugged in the sliding grooves.
5. A rapid warm-up apparatus for a power battery pack according to claim 1, wherein: the top of first connecting plate (2) has seted up the spread groove, the top threaded connection of second connecting plate (4) has second bolt (18), the bottom surface of second bolt (18) offsets with the top face of first connecting plate (2).
6. A rapid warm-up apparatus for a power battery pack according to claim 1, wherein: the output end of the temperature-adjusting dehumidifier (13) is movably installed on the first installation plate (1) in a penetrating way, and one ends of the first installation plate (1) and the first connection plate (2) are outwards protruded to form a first working cavity and a second working cavity.
7. A rapid warm-up apparatus for a power battery pack according to claim 1, wherein: the number of the temperature-adjusting type dehumidifier (13) and the number of the power supply modules (15) are two, and the two temperature-adjusting type dehumidifier (13) and the two power supply modules (15) are correspondingly distributed in the first working cavity and the second working cavity.
8. A rapid warm-up apparatus for a power battery pack according to claim 1, wherein: the number of the fixing plates (7) is two, the two fixing plates (7) are in sliding connection with the inside of the first mounting plate (1), the number of the heating plates (10) is multiple, and the heating plates (10) are equidistantly distributed at the bottoms of the first mounting plate (1) and the first connecting plate (2).
9. A rapid warm-up apparatus for a power battery pack according to claim 1, wherein: the number of the heating rods (8) is multiple, the heating rods (8) are correspondingly distributed on the two fixing plates (7) at equal distance, the number of the net plates (9) is two, and the two net plates (9) are correspondingly distributed on the two fixing plates (7).
10. A rapid warm-up apparatus for a power battery pack according to claim 1, wherein: the bottom of heating rod (8) is located the inside of otter board (9), controller (16) respectively with dehumidifier (13) that adjusts the temperature, power module (15), temperature and humidity sensor (11), heating plate (10) and heating rod (8) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310324414.9A CN116031565B (en) | 2023-03-30 | 2023-03-30 | Quick preheating device for power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310324414.9A CN116031565B (en) | 2023-03-30 | 2023-03-30 | Quick preheating device for power battery pack |
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| Publication Number | Publication Date |
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| CN116031565A true CN116031565A (en) | 2023-04-28 |
| CN116031565B CN116031565B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310324414.9A Active CN116031565B (en) | 2023-03-30 | 2023-03-30 | Quick preheating device for power battery pack |
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| CN101289055A (en) * | 2007-08-24 | 2008-10-22 | 北京理工大学 | Heavy load full-emergence type slideway |
| US20110187495A1 (en) * | 2010-02-01 | 2011-08-04 | Ping-Hsun Weng | Electric release fastening device for thin-profile space |
| CN210403836U (en) * | 2019-09-10 | 2020-04-24 | 上海应人智能科技有限公司 | New energy automobile group battery temperature-detecting device |
| CN213948658U (en) * | 2020-12-12 | 2021-08-13 | 国大(天津)科技发展股份有限公司 | Bracket for electric vehicle battery convenient to fix |
| CN214848926U (en) * | 2021-07-02 | 2021-11-23 | 东莞市图盛金属制品有限公司 | Precision formation cavity suitable for lithium batteries with various specifications |
| CN114976457A (en) * | 2022-06-21 | 2022-08-30 | 常州工程职业技术学院 | New energy automobile battery fixing device and new energy automobile |
| CN217656899U (en) * | 2022-07-01 | 2022-10-25 | 杭州青鸟电子有限公司 | But quick assembly disassembly's intelligent security equipment power supply unit |
| CN217769606U (en) * | 2022-07-12 | 2022-11-08 | 河海大学 | Power demand response intelligent terminal equipment |
| CN218334163U (en) * | 2022-06-21 | 2023-01-17 | 天津博世丰通科技有限公司 | Power storage battery bracket assembly with high stability |
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2023
- 2023-03-30 CN CN202310324414.9A patent/CN116031565B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289055A (en) * | 2007-08-24 | 2008-10-22 | 北京理工大学 | Heavy load full-emergence type slideway |
| US20110187495A1 (en) * | 2010-02-01 | 2011-08-04 | Ping-Hsun Weng | Electric release fastening device for thin-profile space |
| CN210403836U (en) * | 2019-09-10 | 2020-04-24 | 上海应人智能科技有限公司 | New energy automobile group battery temperature-detecting device |
| CN213948658U (en) * | 2020-12-12 | 2021-08-13 | 国大(天津)科技发展股份有限公司 | Bracket for electric vehicle battery convenient to fix |
| CN214848926U (en) * | 2021-07-02 | 2021-11-23 | 东莞市图盛金属制品有限公司 | Precision formation cavity suitable for lithium batteries with various specifications |
| CN114976457A (en) * | 2022-06-21 | 2022-08-30 | 常州工程职业技术学院 | New energy automobile battery fixing device and new energy automobile |
| CN218334163U (en) * | 2022-06-21 | 2023-01-17 | 天津博世丰通科技有限公司 | Power storage battery bracket assembly with high stability |
| CN217656899U (en) * | 2022-07-01 | 2022-10-25 | 杭州青鸟电子有限公司 | But quick assembly disassembly's intelligent security equipment power supply unit |
| CN217769606U (en) * | 2022-07-12 | 2022-11-08 | 河海大学 | Power demand response intelligent terminal equipment |
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| CN116031565B (en) | 2023-06-27 |
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