CN210612730U - Emergency fire extinguishing system of power battery pack - Google Patents
Emergency fire extinguishing system of power battery pack Download PDFInfo
- Publication number
- CN210612730U CN210612730U CN201920825355.2U CN201920825355U CN210612730U CN 210612730 U CN210612730 U CN 210612730U CN 201920825355 U CN201920825355 U CN 201920825355U CN 210612730 U CN210612730 U CN 210612730U
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- China
- Prior art keywords
- fire extinguishing
- battery pack
- control device
- power battery
- alarm
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- 230000006698 induction Effects 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims 7
- 239000003795 chemical substances by application Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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- Fire Alarms (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a power battery pack emergency fire extinguishing system, which comprises a control device, an induction device, a power supply device, a fire extinguishing device and an alarm device, wherein the control device is respectively connected with the induction device, the power supply device, the fire extinguishing device and the alarm device; the fire extinguishing system can effectively and rapidly extinguish fire of a battery pack on fire.
Description
Technical Field
The utility model relates to a bus safety technical field, concretely relates to emergent fire extinguishing systems of power battery group.
Background
With the increase of urban traffic pressure, buses become important transportation means for daily trips of people, and the buses bring great convenience for trips of people; however, the safety problem of the power battery pack is pushed to the wave tip of the air opening again in the event of fire and explosion of a plurality of electric buses, the ignition speed is high, the duration is long, and the extinguishing is difficult, so that once the battery is in the event of fire, the life safety of people is greatly threatened.
The existing fire extinguishing measures of the bus are generally to place a fire extinguisher in the bus, the simple fire extinguisher can only be manually operated for emergency use, when a power battery pack has a serious fire, the power battery pack can only be extinguished through a battery baffle outside the bus body, a fire source cannot be directly extinguished, effective and rapid fire extinguishing cannot be realized, and the battery can deflagrate within 1-2 minutes after burning, so that great influence is caused; if the battery cannot be put out of a fire in the golden time or the spread of fire is delayed, the battery explosion will cause chain reaction, and great threat is brought to the life safety of people.
Disclosure of Invention
An object of the utility model is to provide an emergent fire extinguishing systems of power battery group, this fire extinguishing systems can be effective, and rapid put out a fire to the group battery that catches fire.
The utility model adopts the technical scheme as follows: a power battery pack emergency fire extinguishing system comprises a control device, an induction device, a power supply device, a fire extinguishing device and an alarm device, wherein the control device is respectively connected with the induction device, the power supply device, the fire extinguishing device and the alarm device; the control device is used for receiving external signals and transmitting signals, the sensing device is used for detecting abnormal conditions and transmitting signals to the control device, the fire extinguishing device is arranged in the battery pack compartment, and the control device can control the opening and closing of the fire extinguishing device; the power supply device provides power for the system, and the alarm device is used for giving an alarm after the induction device detects the abnormality; the fire extinguishing device comprises a liquid storage tank, a water pump, a pressure relay, a one-way valve, an electromagnetic valve and a spray head;
when the power supply device supplies power to the system, the pressure relay is in a switch-on state, the water pump starts to extract F-500 fire extinguishing agent from the liquid storage tank, so that the pressure in the pipeline rises, when the pressure in the pipeline reaches a certain set pressure value, the pressure relay cuts off a circuit of the water pump, so that the water pump stops working, the one-way valve in the pipeline prevents backflow, and the pressure in the pipeline is kept constant; when a fire disaster occurs, the sensing device receives a signal and transmits the signal to the control device, the control device controls the electromagnetic valve to open, the F-500 fire extinguishing agent in the pipeline is sprayed out from the spray head through the electromagnetic valve, the pressure in the pipeline is reduced, the pressure relay is closed to control the water pump to open, and the F-500 fire extinguishing agent in the liquid storage tank is continuously sprayed onto the fired power battery; the system can enable a part of high-pressure F-500 extinguishing agent to be pre-stored in the pipeline, and the high-pressure F-500 extinguishing agent is immediately sprayed out from the spray head when an accident occurs, so that the time for pumping the F-500 extinguishing agent through the pipeline by a water pump is not needed, and the response speed of the whole extinguishing system is improved.
Preferably, the sensing device and the fire extinguishing device are provided with a plurality of sensors respectively arranged in different battery pack compartments.
Preferably, the control device and the front side inside the vehicle body are used for receiving external signals and transmitting signals.
Preferably, the sensing device comprises a smoke sensor and a temperature sensor, and the smoke sensor converts an analog signal of the smoke sensor into a digital signal through an AD acquisition circuit and sends the digital signal to the control device.
Preferably, the power supply device is connected with a solar panel, and the solar panel is arranged at the top of the vehicle body.
Preferably, the alarm device is an audible and visual alarm and is arranged inside the carriage.
Preferably, the control device is provided with a forced fire extinguishing button for directly controlling the execution and cancellation of the fire extinguishing program.
Preferably, the control device is connected with the display screen and the keys, can control the temperature value and the smoke value which are responded by the key debugging fire extinguishing system, and can display the temperature value and the smoke value through the display screen.
The beneficial effects of the utility model reside in that: the utility model provides an emergency fire extinguishing system of a power battery pack, a part of high-pressure F-500 fire extinguishing agent is pre-arranged in the pipeline of the emergency fire extinguishing system, when an accident happens, the high-pressure F-500 fire extinguishing agent is immediately sprayed out from a spray head, and the time that the F-500 fire extinguishing agent flows through the pipeline is not required to be extracted by a water pump, so that the response speed of the whole fire extinguishing system is improved; in addition, the system is provided with different sensing devices and fire extinguishing devices which respectively correspond to different battery pack compartments, and after a single battery breaks down and fires, the single fire extinguishing device extinguishes; the system is also provided with a forced fire extinguishing button, and when the sensing device fails, the forced fire extinguishing device can be started to extinguish fire.
Drawings
Fig. 1 is a flow chart of the emergency fire extinguishing system of the power battery pack of the utility model.
Fig. 2 is the structure schematic diagram of the emergency fire extinguishing system of the power battery pack of the utility model.
Fig. 3 is a schematic position diagram of the present invention.
In the figure: the fire extinguishing system comprises a control device 1, an induction device 2, a power supply device 3, a fire extinguishing device 4, an alarm device 5, a liquid storage tank 6, a water pump 7, a pressure relay 8, a one-way valve 9, an electromagnetic valve 10, a spray head 11, a smoke sensor 12, a temperature sensor 13, an AD acquisition circuit 14, a solar cell panel 15, an audible and visual alarm 16, a forced fire extinguishing button 17, a display screen 18 and a button 19.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.
A power battery pack emergency fire extinguishing system comprises a control device 1, an induction device 2, a power supply device 3, a fire extinguishing device 4 and an alarm device 5, wherein the control device 1 is respectively connected with the induction device 2, the power supply device 3, the fire extinguishing device 4 and the alarm device 5; the control device 1 is used for receiving external signals and transmitting signals, the sensing device 2 is used for detecting abnormal conditions and transmitting signals to the control device 1, the fire extinguishing device 4 is arranged in the battery pack compartment, and the control device 1 can control the opening and closing of the fire extinguishing device 4; the power supply device 3 provides power for the system, and the alarm device 5 is used for giving an alarm after the induction device 1 detects the abnormality; the fire extinguishing device comprises a liquid storage tank 6, a water pump 7, a pressure relay 8, a one-way valve 9, an electromagnetic valve 10 and a spray head 11.
When the power supply device 3 supplies power to the system, the pressure relay 8 is in a switch-on state, the water pump 7 starts to pump water from the liquid storage tank 6 to enable the pressure in the pipeline to rise, when the pressure in the pipeline reaches a certain set pressure value, the pressure relay 8 cuts off a water pump circuit to enable the water pump 7 to stop working, the check valve 9 in the pipeline prevents backflow, and the pressure in the pipeline is kept constant; when a fire disaster occurs, the sensing device 2 receives a signal and transmits the signal to the control device 1, the control device 1 controls the electromagnetic valve 10 to be opened, the F-500 fire extinguishing agent in the pipeline is sprayed out from the spray head 11 through the electromagnetic valve 10, the pressure in the pipeline is reduced, the pressure relay 8 is closed to control the water pump 7 to be opened, and the F-500 fire extinguishing agent in the liquid storage tank 6 is continuously sprayed onto the burning power battery; the system can enable a part of high-pressure F-500 fire extinguishing agent to be pre-stored in the pipeline, and the high-pressure F-500 fire extinguishing agent is immediately sprayed out from the spray head 11 when an accident occurs, so that the time for pumping the F-500 fire extinguishing agent through the pipeline by the water pump 7 is not needed, and the response speed of the whole fire extinguishing system is improved.
Preferably, induction system 2, extinguishing device 4 are equipped with a plurality ofly, locate different group battery compartments respectively, if a certain group battery point breaks down and catches fire, and induction system 2 received signal that corresponds sends controlling means 1, and controlling means 1 drive corresponding extinguishing device 4 puts out a fire.
Preferably, the control device 1 is arranged at the front side of the interior of the vehicle body and used for receiving external signals and transmitting signals.
Preferably, the sensing device 2 includes a smoke sensor 12 and a temperature sensor 13, and the smoke sensor 12 converts an analog signal of the smoke sensor into a digital signal through an AD acquisition circuit 14 and sends the digital signal to the control device 1.
Preferably, the power supply device 3 is connected to a solar panel 15, and the solar panel 15 is provided on the top of the vehicle body.
Preferably, the alarm device 5 is an audible and visual alarm 16, which is disposed inside the vehicle cabin and immediately gives an alarm if the battery pack is on fire.
Preferably, the control device 1 is provided with a forced fire extinguishing button 17 for directly controlling the execution and cancellation of the fire extinguishing program, and if the sensing device 2 fails, the forced fire extinguishing button 17 can be pressed to drive the fire extinguishing device 4 to extinguish the fire.
Preferably, the control device 1 is connected with a display screen 18 and a key 19, and can control the temperature value and the smoke value of the fire extinguishing system response adjusted through the key 19 and display the temperature value and the smoke value through the display screen 18.
Example 1
When a battery in a battery box A of a running electric bus breaks down and fires suddenly, a smoke sensor 12 and a temperature sensor 13 in the battery box A sense quickly, and a fire extinguishing device in the battery box A is driven to start through a control device so as to extinguish fire quickly and accurately; meanwhile, the control device also drives the audible and visual alarm to start, and at the moment, a driver stops at the side immediately to guide passengers to get off the vehicle in order; if the induction device 2 breaks down, when finding that the battery box is on fire, the driver can press the forced fire-extinguishing button 17 to drive all the fire-extinguishing devices to extinguish the fire.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described in the foregoing embodiments, or equivalent changes and modifications can be made in some of the technical features of the embodiments.
Claims (8)
1. A power battery pack emergency fire extinguishing system comprises a control device, an induction device, a power supply device, a fire extinguishing device and an alarm device, wherein the control device is respectively connected with the induction device, the power supply device, the fire extinguishing device and the alarm device; the control device is used for receiving external signals and transmitting signals, the sensing device is used for detecting abnormal conditions and transmitting signals to the control device, the fire extinguishing device is arranged in the battery pack compartment, and the control device can control the opening and closing of the fire extinguishing device; the power supply device provides power for the system, and the alarm device is used for giving an alarm after the induction device detects the abnormality; the method is characterized in that: the fire extinguishing device comprises a liquid storage tank, a water pump, a pressure relay, a one-way valve, an electromagnetic valve and a spray head.
2. The power battery pack emergency fire suppression system of claim 1, wherein: the induction device and the fire extinguishing device are provided with a plurality of sensors which are respectively arranged in different battery pack compartments.
3. The power battery pack emergency fire suppression system of claim 1, wherein: the control device and the front side in the vehicle body are used for receiving external signals and transmitting signals.
4. The power battery pack emergency fire suppression system of claim 1, wherein: the induction device comprises a smoke sensor and a temperature sensor, wherein the smoke sensor converts an analog signal of the smoke sensor into a digital signal through an AD acquisition circuit and sends the digital signal to the control device.
5. The power battery pack emergency fire suppression system of claim 1, wherein: the power supply device is connected with the solar cell panel, and the solar cell panel is arranged at the top of the vehicle body.
6. The power battery pack emergency fire suppression system of claim 1, wherein: the alarm device is an audible and visual alarm and is arranged inside the carriage.
7. The power battery pack emergency fire suppression system of claim 1, wherein: the control device is provided with a forced fire extinguishing button for directly controlling the execution and cancellation of a fire extinguishing program.
8. The power battery pack emergency fire suppression system of claim 1, wherein: the control device is connected with the display screen and the keys, and the temperature value and the smoke value responded by the fire extinguishing system can be debugged through the keys and displayed through the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825355.2U CN210612730U (en) | 2019-06-03 | 2019-06-03 | Emergency fire extinguishing system of power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825355.2U CN210612730U (en) | 2019-06-03 | 2019-06-03 | Emergency fire extinguishing system of power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210612730U true CN210612730U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920825355.2U Expired - Fee Related CN210612730U (en) | 2019-06-03 | 2019-06-03 | Emergency fire extinguishing system of power battery pack |
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| Country | Link |
|---|---|
| CN (1) | CN210612730U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744124A (en) * | 2020-08-01 | 2020-10-09 | 王忠银 | A new energy vehicle charging automatic fire extinguishing device |
| CN112185232A (en) * | 2020-09-30 | 2021-01-05 | 中国兵器装备集团上海电控研究所 | Fire extinguishing bottle simulation device and method |
-
2019
- 2019-06-03 CN CN201920825355.2U patent/CN210612730U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744124A (en) * | 2020-08-01 | 2020-10-09 | 王忠银 | A new energy vehicle charging automatic fire extinguishing device |
| CN112185232A (en) * | 2020-09-30 | 2021-01-05 | 中国兵器装备集团上海电控研究所 | Fire extinguishing bottle simulation device and method |
| CN112185232B (en) * | 2020-09-30 | 2022-08-02 | 中国兵器装备集团上海电控研究所 | Fire extinguishing bottle simulation device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20210603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |