CN211125703U - Battery pack with alarm device - Google Patents
Battery pack with alarm device Download PDFInfo
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- CN211125703U CN211125703U CN201922151628.2U CN201922151628U CN211125703U CN 211125703 U CN211125703 U CN 211125703U CN 201922151628 U CN201922151628 U CN 201922151628U CN 211125703 U CN211125703 U CN 211125703U
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- battery
- temperature sensor
- alarm
- upper cover
- monitoring device
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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 a take alarm device's battery package, including upper cover and box, the range is provided with the battery module in the box, on cover and be provided with alarm monitoring device and a plurality of temperature sensor, temperature sensor is connected with the alarm monitoring device electricity respectively, temperature sensor's position corresponds with the battery module. The utility model overcomes prior art's temperature sensor installation and later maintenance difficulty, the too high problem of assembly cost has following beneficial effect: the installation is convenient, the position is safer, and the failure is not easy to occur; the thermal runaway problem is reflected in time, and the safety of personnel in the vehicle is ensured; the temperature sensor and the camera device are simultaneously monitored, and the thermal runaway of the battery is more accurately predicted; the arrangement of the upper cover groove and the sensor mounting groove protects the upper cover device from being damaged easily and provides enough space for heat dissipation of the battery; the flame-proof layer prevents flame diffusion, and further improves the safety protection capability of the battery.
Description
Technical Field
The utility model relates to an electric automobile battery field especially relates to a take alarm device's battery package.
Background
The new energy automobile has serious safety problems caused by fire, and the reasons for spontaneous combustion mainly comprise the following aspects: the battery is irreversibly damaged due to the excessive quick charge of high current and voltage, and the thermal failure temperature is greatly reduced; physical factors influence the problems of mechanical deformation, extrusion, tearing, diaphragm breakage and the like of the battery pack, and the monitoring box system in the battery pack has more functions of monitoring data, so that problem diagnosis is difficult to achieve; the heat resistance of the diaphragm is insufficient, and the stable heat insulation cannot be realized; the sudden accident, when the car takes place in violent canopy the battery package is impaired and takes place the thermal runaway.
The control of battery safety is mainly based on temperature monitoring. Although a thermal management system is arranged in the battery pack, the battery can be subjected to low-temperature heating, high-temperature heat dissipation and heat preservation management, but fire and explosion emergencies on the battery pack layer caused by thermal runaway and spread of the battery cannot be well discovered and dealt with. The current method for monitoring the temperature is to paste a temperature measuring resistor and a thermocouple on a single battery. Because the battery pack has too many battery cores, great difficulty is brought to the installation process. In addition, the temperature measuring resistor and the thermocouple are mainly fixed at the bottom of the battery pack, and are easy to lose efficacy due to collision, extrusion and impact deformation of bottom stones in the running process of a vehicle.
For example, a "real-time management and control system for a new energy power battery pack" disclosed in chinese patent literature, whose publication No. CN209056578U includes a temperature sensor, a heat dissipation device, a BMS, and a battery pack, the temperature sensor is connected to the battery pack, a temperature signal input terminal of the BMS is connected to the temperature sensor, and a voltage signal input terminal of the BMS is connected to a terminal of the battery pack through a measurement line; the control signal output end is connected with the heat dissipation device; the battery pack is formed by connecting a plurality of battery monomers in series, and a detection terminal of the temperature sensor is connected with a binding post of the battery monomer; the heat dissipation device is arranged at the bottom of the battery pack, the top of the battery pack is reserved with a ventilation hole, and a heat dissipation air duct is formed between every two adjacent battery monomers. The battery pack has the disadvantages that each battery cell in the battery pack is connected with a temperature sensor, so that great difficulty is brought to installation and later maintenance, and the cost is too high.
Disclosure of Invention
The utility model relates to an overcome prior art's temperature sensor installation and later maintenance difficulty, the too high problem of assembly cost provides a take alarm device's battery package, when guaranteeing temperature monitoring function, reduces the assembly degree of difficulty, sparingly assembly cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a take alarm device's battery package, includes upper cover and box, arranges in the box and is provided with the battery module, cover on and be provided with alarm monitoring device and a plurality of temperature sensor, temperature sensor is connected with alarm monitoring device electricity respectively, temperature sensor's position corresponds with the battery module.
The utility model discloses a characteristics lie in covering installation temperature sensor and alarm monitoring device on the upper cover of battery package, temperature sensor corresponds the top that sets up at the battery module after closing the upper cover, if electric core emergence thermal runaway in the module, the high flame of temperature is up, corresponds temperature sensor just, and temperature sensor sends alarm signal behind temperature information transmission to alarm monitoring device, and personnel in the warning car in time dodge. According to the structure, a temperature sensor is not required to be installed on each battery cell, the temperature sensor and the alarm monitoring device are fixed and connected, and then the box cover is covered to complete installation. And temperature sensor and warning monitoring device all set up in the top of battery module, and in the vehicle driving process, be difficult for receiving collision, extrusion, impact and inefficacy, and the degree of safety is high.
Preferably, the positions of the temperature sensors correspond to the battery modules one by one, and the temperature sensors are arranged right above the center of each battery module.
Set up a temperature sensor directly over every battery module center, electric core takes place the thermal runaway in the module, and flame is up, just aims at temperature sensor, can in time convey the thermal runaway information for personnel in the car.
Preferably, an alarm monitoring device mounting piece is arranged on the inner side of the upper cover and is fixedly connected with the alarm monitoring device mounting piece.
The mounting part of the alarm monitoring device is used for fixing the alarm monitoring device, and the phenomenon that the alarm monitoring device falls off or is damaged due to impact and extrusion in the driving process of a vehicle is avoided.
Preferably, the alarm monitoring device mounting part is a groove with an opening facing the box body, and the alarm monitoring device is embedded into the alarm monitoring device mounting part.
The structure prevents the device from protruding out of the inner surface of the upper cover, so that enough space is reserved above the battery for heat dissipation, and the problem that the device blocks the monitoring view, so that the internal condition of the battery pack cannot be observed in time and the battery pack cannot be responded is solved.
Preferably, the alarm monitoring device is provided with a camera device.
The warning monitoring device can start the camera shooting function, and vehicle personnel can judge the internal actual condition of the battery pack according to the warning battery core temperature and the real-time monitoring image, and the temperature sensor and the camera device monitor simultaneously, so that the prediction of the thermal runaway of the battery is more accurate.
Preferably, the upper cover is provided with a sensor mounting hole, the temperature sensor is provided with a clamping elastic sheet, and the temperature sensor is clamped with the sensor mounting hole through the clamping elastic sheet.
The sensor is conveniently and quickly installed in a connection mode of clamping the sensor and the upper cover, the sensor is also conveniently and quickly replaced after being damaged, and the installation holes can effectively protect the periphery of the sensor and prevent failure.
Preferably, the upper cover is provided with a wire mounting groove for placing a temperature sensor wire.
Temperature sensor is connected with alarm monitoring device through the wire usually, sets up the wire mounting groove and is used for protecting the wire, damages the wire when avoiding the battery to catch fire.
Preferably, the inner surface of the upper cover is provided with a fireproof layer.
The flame retardant coating can be made by high temperature resistant fire prevention cloth, avoids the battery to catch fire the damage of the battery package upper cover that arouses, avoids flame to stretch outside the battery package box, has solved the not enough problem of safety protection ability of box upper cover under the inside thermal runaway condition of battery package.
Therefore, the utility model discloses following beneficial effect has: (1) the temperature sensor and the alarm monitoring device are arranged on the upper cover, so that the installation is convenient, the position is safer, and the failure is not easy to occur; (2) the temperature sensor is correspondingly arranged right above the battery module, so that the thermal runaway problem is reflected in time, and the safety of personnel in the vehicle is ensured; (3) the temperature sensor and the camera device are simultaneously monitored, and the thermal runaway of the battery is more accurately predicted; (4) the arrangement of the upper cover groove and the sensor mounting groove protects the upper cover device from being damaged easily and provides enough space for heat dissipation of the battery; (5) the flame-proof layer prevents flame diffusion, and further improves the safety protection capability of the battery.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of the upper cover according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the box body of the present invention.
Fig. 4 is a schematic partial structure diagram of the upper cover according to embodiment 2 of the present invention.
In the figure: 1. upper cover, 11, alarm monitoring device, 12, temperature sensor, 121, joint shell fragment, 122, wire, 13, alarm monitoring device installed part, 14, sensor mounting hole, 15, wire mounting groove, 2, box, 3, battery module.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1
In embodiment 1 shown in fig. 1-3, a battery pack with an alarm device includes an upper cover 1 and a case 2, the upper cover 1 covers the case 2, battery modules 3 are arranged in the case 2, the upper cover 1 is provided with a plurality of temperature sensors 12 and an alarm monitoring device 11, the temperature sensors 12 are electrically connected to the alarm monitoring device 11, the temperature sensors 12 are in one-to-one correspondence with the battery modules 3, and the temperature sensors 12 are disposed right above the center of each battery module 3 and fixed to the upper cover 1. An alarm monitoring device mounting part 13 is arranged at the center of the inner side of the upper cover 1, the alarm monitoring device mounting part 13 is a groove with an opening facing the box body 2, the alarm monitoring device 11 is embedded and fixed in the alarm monitoring device mounting part 13, and a camera device is arranged on the alarm monitoring device 11. The inner surface of the upper cover 1 is provided with a fireproof layer.
The upper cover is provided with the temperature monitoring and thermal runaway alarm device, so that the device is safer and more reliable, and the assembly process and the assembly cost are saved.
Example 2
In embodiment 2 shown in fig. 4, a battery pack with an alarm device includes an upper cover 1 and a box body 2, the upper cover 1 covers the box body 2, and the rest of the structure is substantially the same as that of embodiment 1, and the difference is that a sensor mounting hole 14 is formed in a corresponding position at the center right above a battery module 3 on the upper cover 1, the sensor mounting hole 14 is a through hole, a clamping elastic sheet 121 is fixed at the upper end of a temperature sensor 12, and the clamping elastic sheet 121 is uniformly arranged along the circumferential direction. The inner side of the upper cover 1 is provided with a wire installation groove 15, and the two ends of the wire installation groove 15 are communicated with a sensor installation hole 14 and an alarm monitoring device installation part 13.
During installation, the alarm monitoring device 11 is fixed in the alarm monitoring device mounting part 13, and the temperature sensor 12 is clamped with the sensor mounting hole 14 from the inner side of the upper cover 1 through the clamping elastic sheet 121. The wire 122 connected to the temperature sensor 12 is installed in the wire installation groove 15, and the other end is connected to the alarm monitoring device 11. And closing the upper cover 1 to finish the installation.
The structure is convenient for the installation and the disassembly of each device of the upper cover, and protects each device from failure due to impact.
Claims (8)
1. The utility model provides a take alarm device's battery package, includes upper cover (1) and box (2), arranges in box (2) and is provided with battery module (3), characterized by, be provided with alarm monitoring device (11) and a plurality of temperature sensor (12) on upper cover (1), temperature sensor (12) are connected with alarm monitoring device (11) electricity respectively, the position and battery module (3) of temperature sensor (12) correspond.
2. The battery pack with the alarm device as claimed in claim 1, wherein the temperature sensors (12) are positioned in one-to-one correspondence with the battery modules (3), and the temperature sensors (12) are arranged right above the center of each battery module (3).
3. The battery pack with the alarm device as claimed in claim 1, wherein an alarm monitoring device mounting part (13) is arranged on the inner side of the upper cover (1), and the alarm monitoring device (11) is fixedly connected with the alarm monitoring device mounting part (13).
4. The battery pack with the alarm device as claimed in claim 3, wherein the alarm monitor mounting part (13) is a groove opened toward the case body (2), and the alarm monitor device (11) is embedded in the alarm monitor mounting part (13).
5. The battery pack with the alarm device as claimed in claim 1, wherein the alarm monitoring device (11) is provided with a camera device.
6. The battery pack with the alarm device according to claim 1, wherein the upper cover (1) is provided with a sensor mounting hole (14), the temperature sensor (12) is provided with a clamping elastic sheet (121), and the temperature sensor (12) is clamped with the sensor mounting hole (14) through the clamping elastic sheet (121).
7. The battery pack with the alarm device as claimed in claim 1, wherein the upper cover (1) is provided with a lead mounting groove (15) for placing a lead (122) of the temperature sensor (12).
8. The battery pack with the alarm device as claimed in any one of claims 1 to 7, wherein the inner surface of the upper cover (1) is provided with a fireproof layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922151628.2U CN211125703U (en) | 2019-12-04 | 2019-12-04 | Battery pack with alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922151628.2U CN211125703U (en) | 2019-12-04 | 2019-12-04 | Battery pack with alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211125703U true CN211125703U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922151628.2U Active CN211125703U (en) | 2019-12-04 | 2019-12-04 | Battery pack with alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211125703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952682A (en) * | 2020-08-03 | 2020-11-17 | 安徽羽乔锂电科技有限公司 | Lithium battery protection module for electric tricycle and packaging method thereof |
-
2019
- 2019-12-04 CN CN201922151628.2U patent/CN211125703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952682A (en) * | 2020-08-03 | 2020-11-17 | 安徽羽乔锂电科技有限公司 | Lithium battery protection module for electric tricycle and packaging method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |