CN209933883U - Power battery system and electric automobile - Google Patents
Power battery system and electric automobile Download PDFInfo
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- CN209933883U CN209933883U CN201920627302.XU CN201920627302U CN209933883U CN 209933883 U CN209933883 U CN 209933883U CN 201920627302 U CN201920627302 U CN 201920627302U CN 209933883 U CN209933883 U CN 209933883U
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- 238000004891 communication Methods 0.000 claims description 23
- 239000000443 aerosol Substances 0.000 claims description 7
- 239000011343 solid material Substances 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004200 deflagration Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a power battery system and electric automobile, this power battery system includes: battery box and set up in battery module in the battery box still includes: the fire detector, the fire extinguishing device and the combustible line are arranged in the battery box; wherein the fire detector is electrically connected to the fire extinguishing device; the combustible wire is connected with the fire extinguishing agent of the fire extinguishing device. The utility model provides a power battery system which comprises a fire detector and a fire extinguishing device arranged inside a battery box, and can flexibly and conveniently detect and extinguish fire aiming at each battery pack; and the fireproof performance of the power battery system is further improved by arranging the combustible wire.
Description
Technical Field
The utility model relates to a battery package field of putting out a fire, in particular to power battery system and electric automobile.
Background
With the continuous development and popularization of electric automobiles, the safety problem of the electric automobiles is more and more prominent. In recent years, the electric vehicle has a fire and deflagration event, which brings unfavorable factors to the development of the electric vehicle, brings great damage to the life and property safety of people, and the main reason for causing the fire and deflagration of the electric vehicle is a vehicle-mounted power battery. Under the background, it is very important to improve the safety of the vehicle-mounted power battery system of the electric vehicle, and the safety research and prevention technology of the electric vehicle are attracting high attention of relevant experts in all countries of the world, and a great deal of manpower and material resources are invested for research.
At present, in the electric automobile industry, the improvement of the safety of an automobile by adding a fire extinguishing device is an effective and low-cost scheme which is adopted by most automobile enterprises, and the research and development of the fire extinguishing device of the electric automobile are more and more emphasized. At present, the application of the fire extinguishing device on the electric automobile mainly has the following two forms: 1. the electric vehicle is provided with an externally-hung fire extinguisher, the fire condition is judged by a driver and passengers, and the driver and the passengers manually extinguish the fire through the fire extinguisher when the fire breaks out. 2. The fire extinguisher storage tanks are arranged outside the battery packs and connected to the insides of the battery packs through pipelines, and if a fire disaster happens, the fire extinguisher storage tanks are opened to guide fire extinguishing agents into the battery packs.
However, the two forms have different problems, for example, in the first form, the fire cannot be found and extinguished in time; in the second aspect, since a plurality of battery packs are present in the vehicle, it is not possible to perform targeted detection and fire extinguishing for each battery pack.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power battery system and electric automobile for solve among the prior art can't in time put out a fire and can't detect and put out a fire the problem to every battery package.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to this the utility model discloses an aspect provides a power battery system, including the battery box and set up in battery module in the battery box still includes:
the fire detector, the fire extinguishing device and the combustible line are arranged in the battery box; wherein the fire detector is electrically connected to the fire extinguishing device; the combustible wire is connected with the fire extinguishing agent of the fire extinguishing device.
Further, the power battery system further comprises: the detector bracket and the fire extinguishing bracket are fixed on the inner side wall of the battery box;
the fire detector is connected with the detector support through bolts, and the fire extinguishing device is connected with the fire extinguishing support through bolts.
Further, the detector support and the fire extinguishing support are located on the same inner side wall of the battery box.
Further, the fire extinguishing agent is a hot aerosol.
Further, the combustible wire is wound around the battery module.
Further, the combustible line is made of a solid material with an ignition point of more than 250 ℃.
Further, the power battery system further comprises: a first communication line and a second communication line;
one end of the first communication line is connected with the fire detector, and the other end of the first communication line is connected with a plug;
one end of the second communication line is connected with the fire extinguishing device, the other end of the second communication line is connected with a socket, and the plug is connected with the socket in an inserting mode.
Further, the battery module is fixed in the bottom of battery box.
According to another aspect of the present invention, there is provided an electric vehicle, including: battery management system and connect battery management system's vehicle control unit still includes: the power battery system as described above;
the fire detector of the power Battery system is electrically connected with a Local Management Unit (LMU) or a Battery Management Unit (BMU) of the Battery Management system.
Further, the electric vehicle further includes: and the fire extinguishing button is electrically connected with the whole vehicle controller.
The utility model has the advantages that:
according to the technical scheme, the fire detector and the fire extinguishing device are arranged in the battery box of the power battery system, so that fire detection and fire extinguishing can be flexibly and conveniently carried out on each battery pack; and the fire extinguishing agent through the fire extinguishing device is connected with the combustible line, so that the fire resistance of the power battery system is further improved.
Drawings
Fig. 1 shows one of schematic diagrams of a power battery system according to an embodiment of the present invention;
fig. 2 shows a second schematic diagram of a power battery system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a fire detector according to an embodiment of the present invention;
FIG. 4 is a schematic view of a fire suppression apparatus according to an embodiment of the present invention;
fig. 5 shows a schematic view of fire early warning of an electric vehicle according to an embodiment of the present invention.
Description of reference numerals:
11. a battery box; 12. a battery module; 13. a fire detector; 14. a fire extinguishing device; 15. a combustible wire; 16. a detector support; 17. a fire extinguishing support; 18. a first communication line; 181. a plug; 19. a second communication line; 191. a socket; 51. a vehicle control unit; 52. a local management unit.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, the embodiment of the utility model provides a power battery system, including battery box 11 and set up battery module 12 in battery box 11, still include:
a fire detector 13, a fire extinguishing device 14 and a combustible line 15 which are arranged in the battery box 11; wherein the fire detector 13 is electrically connected with the fire extinguishing device 14; the combustible wire 15 is connected with the fire extinguishing agent of the fire extinguishing device 14.
It should be noted that the number of the battery modules 12 may be plural, a plurality of the battery modules 12 are connected in series, and preferably, the battery modules 12 are fixed to the bottom of the battery case 11. The fire detector 13 is used to detect whether a fire is occurring within a predetermined distance range, such as by detecting any one or more of smoke, temperature, flame, and special gas, and analyzing whether a fire is currently occurring based on the detected signal. Preferably, the fire detector 13 may be a miniature fire detector having a small size, so as to ensure that the remaining space after the battery module 12 is disposed inside the battery box 11 can be installed. It is of course also possible to integrate the function of the fire detector 13 on the battery management system. The fire extinguishing device 14 is used for releasing the fire extinguishing agent inside to extinguish fire; the combustible wire 15 may burn and ignite the fire extinguishing agent in the fire extinguishing device 14, thereby extinguishing the fire from the fire extinguishing device 14. Preferably, the combustible wire 15 surrounds the battery module 12. The fire extinguishing apparatus 14 may be a miniature fire extinguishing device with a small volume, so as to ensure that the remaining space inside the battery box 11 after the battery module 12 is disposed therein can be installed.
When the fire detector 13 detects that the environment in which the fire detector is located is a fire, the fire detector can directly send a fire extinguishing instruction to the fire extinguishing device 14, and the fire extinguishing device 14 receives the fire extinguishing instruction and releases the fire extinguishing agent to extinguish the fire. Of course, the fire detector 13 may also determine the current fire risk level according to the detected signal, and the higher the fire risk level is, the more serious the fire is. If the fire danger level is greater than the preset level, directly sending a fire extinguishing instruction to the fire extinguishing device 14; if the fire danger level is smaller than or equal to the preset level, the fire danger level is sent to the battery management system, the fire danger level is sent to the vehicle control unit through the battery management system, then the vehicle control unit performs unified control, if the vehicle control unit displays the fire danger level through the display device, then the driver is reminded, and the driver determines whether to extinguish the fire. If the fire danger level is lower and no open fire appears, the driver can ignore the prompt and does not send any instruction. If the fire danger level is high, danger may occur, the driver may issue a fire extinguishing instruction, the fire extinguishing instruction is transmitted to the fire detector 13 by the vehicle control unit and the battery management system, the fire detector 13 sends the received fire extinguishing instruction to the fire extinguishing device 14, and then fire extinguishing is performed through the fire extinguishing device 14.
In the embodiment of the utility model, the fire detector 13 and the fire extinguishing device 14 are arranged in the battery box 11 of the power battery system, so that the fire detection and the fire extinguishing can be flexibly and conveniently carried out on each battery pack; and the fire extinguishing agent of the fire extinguishing device 14 is connected with the combustible line 15, so that the fire resistance of the power battery system is further improved.
Referring to fig. 1 and 2, in order to fix the fire detector 13 and the fire extinguishing apparatus 14, on the basis of the embodiment of the present invention, the embodiment of the present invention further includes: a detector bracket 16 and a fire extinguishing bracket 17 fixed on the inner side wall of the battery box 11;
the fire detector 13 is bolted to the detector bracket 16 and the fire extinguishing device 14 is bolted to the fire extinguishing bracket 17.
It should be noted that the detector bracket 16 and the fire extinguishing bracket 17 may be welded to the inner side wall of the battery box 11 by welding. Preferably, the detector bracket 16 and the fire extinguishing bracket 17 are located on the same inner side wall of the battery box 11.
On the basis of the embodiment of the utility model, in the embodiment of the utility model, the fire extinguishing agent is the hot aerosol.
It should be noted that the fire extinguishing agent may be an S-type hot aerosol. A portion of the combustible wire 15 is connected to the S-shaped hot aerosol and after the combustible wire 15 is ignited, the combustible wire 15 will ignite the S-shaped hot aerosol. Preferably, one end of the combustible wire 15 is connected to the S-shaped hot aerosol. The combustible line is made of solid materials with the ignition point of more than 250 ℃.
Referring to fig. 3 and 4, in order to ensure the communication between the fire detector 13 and the fire extinguishing apparatus 14, on the basis of the above embodiments of the present invention, in an embodiment of the present invention, the power battery system further includes: a first communication line 18 and a second communication line 19;
wherein, one end of the first communication line 18 is connected with the fire detector 13, and the other end is connected with a plug 181;
one end of the second communication line 19 is connected with the fire extinguishing apparatus 14, the other end is connected with a socket 191, and the plug 181 is plugged with the socket 191.
It should be noted that, the plug 181 is plugged into the socket 191, so that the communication connection between the fire detector 13 and the fire extinguishing apparatus 14 is realized, and then the fire detector 13 can send a fire extinguishing instruction to the fire extinguishing apparatus 14, and the fire extinguishing apparatus 14 can also send feedback information to the fire detector 13. The power battery system further includes: and one end of the third communication line is connected with the fire detector 13, and the other end of the third communication line is connected with a plug.
Referring to fig. 1 and 5, according to still another aspect of the present invention, there is provided an electric vehicle including: the power battery system comprises a battery management system, a vehicle control unit 51 connected with the battery management system and a power battery system provided by the embodiment of each utility model;
wherein the fire detector 13 of the power battery system is electrically connected to the local management unit 52 of the battery management system or to the battery management unit.
It should be noted that the fire detector 13 determines the current fire risk level according to the fire when the fire is detected, and the fire is more serious the higher the fire risk level is. If the fire danger level is greater than the preset level, directly sending a fire extinguishing instruction to the fire extinguishing device 14; if the fire danger level is smaller than or equal to the preset level, the fire danger level is sent to a local management unit 52 of the battery management system, the fire danger level is sent to a vehicle control unit 51 through the local management unit 52, and then the vehicle control unit 51 performs unified control, if the vehicle control unit 51 displays the fire danger level through a display device, a driver is reminded, and the driver determines whether to extinguish a fire. If the fire danger level is lower and no open fire appears, the driver can ignore the prompt and does not send any instruction. If the fire risk level is high and danger may occur, the driver may issue a fire extinguishing command, the fire extinguishing command is transmitted to the fire detector 13 through the vehicle control unit 51 and the local management unit 52, and the fire detector 13 sends the received fire extinguishing command to the fire extinguishing device 14, so as to extinguish fire through the fire extinguishing device 14. Preferably, the electric vehicle further includes: and a fire extinguishing button electrically connected with the vehicle control unit 51. The driver presses the fire extinguishing button to issue a fire extinguishing instruction. Of course, in case of a fire, if the combustible wire 15 is ignited, the fire extinguishing device 14 can also be triggered to extinguish the fire.
Through the dual guarantee of fire detector 13 and combustible line 15 for power battery system can survey the condition of a fire the very first time, provides early warning information, and realizes putting out a fire at the conflagration initial stage, even the communication line of vehicle damages, and combustible line 15 can trigger extinguishing device 14 as usual after the conflagration breaks out and put out a fire.
In the embodiment of the utility model, the fire detector 13 and the fire extinguishing device 14 are arranged in the battery box 11 of the power battery system, so that the fire detection and the fire extinguishing can be flexibly and conveniently carried out on each battery pack; and the fire extinguishing agent of the fire extinguishing device 14 is connected with the combustible line 15, so that the fire resistance of the power battery system is further improved.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
Claims (10)
1. The utility model provides a power battery system, includes the battery box and set up in battery module in the battery box, its characterized in that still includes:
the fire detector, the fire extinguishing device and the combustible line are arranged in the battery box; wherein the fire detector is electrically connected to the fire extinguishing device; the combustible wire is connected with the fire extinguishing agent of the fire extinguishing device.
2. The power battery system of claim 1, further comprising: the detector bracket and the fire extinguishing bracket are fixed on the inner side wall of the battery box;
the fire detector is connected with the detector support through bolts, and the fire extinguishing device is connected with the fire extinguishing support through bolts.
3. The power battery system of claim 2, wherein the detector bracket and the fire suppression bracket are located on the same interior side wall of the battery box.
4. The power battery system of claim 1, wherein the fire suppressant is a hot aerosol.
5. The power battery system of claim 1, wherein the combustible wire is wound around the battery module.
6. The power battery system of claim 1, wherein the combustible line is a solid material having an ignition point greater than 250 degrees celsius.
7. The power battery system of claim 1, further comprising: a first communication line and a second communication line;
one end of the first communication line is connected with the fire detector, and the other end of the first communication line is connected with a plug;
one end of the second communication line is connected with the fire extinguishing device, the other end of the second communication line is connected with a socket, and the plug is connected with the socket in an inserting mode.
8. The power battery system of claim 1, wherein the battery module is secured to a bottom of the battery box.
9. An electric vehicle comprising: battery management system and connection battery management system's vehicle control unit, its characterized in that still includes: the power cell system of any of claims 1 to 8;
wherein the fire detector of the power battery system is electrically connected with a local management unit or a battery management unit of the battery management system.
10. The electric vehicle of claim 9, further comprising: and the fire extinguishing button is electrically connected with the whole vehicle controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627302.XU CN209933883U (en) | 2019-05-05 | 2019-05-05 | Power battery system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627302.XU CN209933883U (en) | 2019-05-05 | 2019-05-05 | Power battery system and electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN209933883U true CN209933883U (en) | 2020-01-14 |
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| CN201920627302.XU Active CN209933883U (en) | 2019-05-05 | 2019-05-05 | Power battery system and electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111617407A (en) * | 2020-05-28 | 2020-09-04 | 湖北及安盾消防科技有限公司 | Energy storage device |
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- 2019-05-05 CN CN201920627302.XU patent/CN209933883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111617407A (en) * | 2020-05-28 | 2020-09-04 | 湖北及安盾消防科技有限公司 | Energy storage device |
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