CN214098619U - Fire detection device and vehicle - Google Patents
Fire detection device and vehicle Download PDFInfo
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- CN214098619U CN214098619U CN202120268969.2U CN202120268969U CN214098619U CN 214098619 U CN214098619 U CN 214098619U CN 202120268969 U CN202120268969 U CN 202120268969U CN 214098619 U CN214098619 U CN 214098619U
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Abstract
The utility model provides a fire detection device and vehicle, fire detection device includes: the first detection device, the second detection device and the third detection device are connected with the vehicle control unit; the first detection device sends a first signal to the vehicle control unit, and the first signal is used for indicating a fire detection state in the vehicle body; the second detection device sends a second signal to the vehicle control unit, and the second signal is used for indicating a fire detection state outside the vehicle body; and the third detection device sends a third signal to the vehicle control unit, and the third signal is used for indicating the fire detection state of the power battery. The utility model discloses, through setting up first detection device, second detection device and third detection device, detect the fire state of the inside fire state of automobile body, the outside fire state of automobile body and power battery's fire state respectively, realize monitoring and in time reminding the conflagration at different positions on the vehicle to confirm the position of ignition.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to fire detection device and vehicle.
Background
At present, the preservation quantity of electric automobiles increases year by year, vehicles age along with the continuous increase of the driving mileage of the electric automobiles, the possibility of electrical fire on the vehicles is higher and higher, the thermal runaway risk after the batteries age is higher and higher, in addition, the possibility of fire on the vehicles is also increased due to the fact that vehicle owners refit the vehicles in the later period and flammable decorative articles in the vehicles, and therefore a fire detection device is needed, drivers are prompted and put out fire as soon as possible in the initial period of fire on the vehicles, and loss is reduced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a fire detection device and vehicle for among the solution prior art, the suggestion of vehicle conflagration is untimely, and to the unsafe problem of ignition point detection.
In order to solve the technical problem, an embodiment of the utility model provides a following technical scheme:
an embodiment of the utility model provides a fire detection device, include:
the system comprises a first detection device, a second detection device, a third detection device and a vehicle control unit;
the first detection device, the second detection device and the third detection device are respectively connected with the whole vehicle controller;
the first detection device sends a first signal to the vehicle control unit, and the first signal is used for indicating a fire detection state in the vehicle body;
the second detection device sends a second signal to the vehicle control unit, and the second signal is used for indicating a fire detection state outside the vehicle body;
and the third detection device sends a third signal to the vehicle control unit, and the third signal is used for indicating the fire detection state of the power battery.
Optionally, the first detecting device includes: the first temperature sensor and the first camera are arranged in the vehicle body; the first temperature sensor is used for monitoring the temperature inside the vehicle body, and the first camera is used for shooting the image of the flame inside the vehicle body.
Optionally, the second detecting device includes: the second temperature sensor is arranged in a front cabin of the vehicle, and the second camera is arranged outside the vehicle body; the second temperature sensor is used for monitoring the temperature outside the vehicle body, and the second camera is used for shooting images of flames of the vehicle body.
Optionally, the third detecting device includes: the detector is arranged inside the power battery; the detector is used for monitoring the temperature value and the pressure value of the power battery.
Optionally, when the first temperature sensor monitors that the temperature inside the vehicle body is greater than or equal to a first preset value, a first signal is sent to the vehicle control unit;
and the vehicle control unit respectively sends a first starting signal to the first camera, a first control signal to the vehicle body controller and a first prompt signal to the vehicle networking system according to the first signal.
Optionally, when the second temperature sensor monitors that the temperature outside the vehicle body is greater than or equal to a second preset value, a second signal is sent to the vehicle control unit;
the vehicle control unit respectively sends a second starting signal to the second camera and a second prompt signal to the vehicle networking system according to the second signal; wherein the second cue signal comprises vehicle position coordinates.
Optionally, the fire detection device further comprises: the fire control device is connected with the power battery;
the fire control device is connected with the vehicle control unit;
the fire control device includes: a fire suppressant storage tank;
wherein, the fire extinguishing agent storage box is connected with the power battery through a pipeline.
Optionally, the detector monitors that the highest temperature of a single battery of the power battery is greater than a third preset value, and the second high temperature is greater than a fourth preset value and lasts for a first preset time, or detects that the highest temperature of the single battery of the power battery is greater than a fifth preset value, the temperature rise rate of the single battery is greater than a preset rate and lasts for a second preset time, and the temperature does not drop within the third preset time, or sends a third signal to the whole vehicle controller when the pressure value increase of the power battery is greater than a first threshold value and the pressure absolute value of the power battery is greater than a second threshold value;
the vehicle control unit respectively sends a third starting signal to the fire control device and a third prompt signal to the Internet of vehicles system according to the third signal; wherein the third starting signal is used for controlling the fire extinguishing inhibitor stored in the fire extinguishing agent storage box to be sprayed into the power battery.
Optionally, the pipeline is connected with the power battery through a nozzle.
The embodiment of the utility model provides a still provide a vehicle, include as above arbitrary any fire detection device.
The utility model has the advantages that:
the utility model discloses a set up first detection device, second detection device and the third detection device who is connected respectively with vehicle control unit on the vehicle, be used for detecting the inside conflagration state of automobile body, the outside conflagration state of automobile body and power battery's conflagration state respectively, can realize monitoring and in time reminding the conflagration at different positions on the vehicle to confirm the position of ignition.
Drawings
Fig. 1 is a schematic structural view of a fire detection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a third detecting device according to an embodiment of the present invention;
fig. 3 is a connection block diagram of a fire detection device according to an embodiment of the present invention.
Description of reference numerals:
1-a vehicle control unit; 2-a first temperature sensor; 3-a first camera; 4-a second temperature sensor; 5-a second camera; 6-a power battery; 61-a battery module; 7-a detector; 8-a fire extinguishing agent storage tank; 9-a nozzle; 10-a direct current power supply; 11-alarm starting switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses in to prior art, the suggestion of vehicle conflagration is untimely to and the unsafe problem of ignition point detection, provide a fire detection device and vehicle.
As shown in fig. 1, an embodiment of the present invention provides a fire detection device, including:
the system comprises a first detection device, a second detection device, a third detection device and a vehicle control unit 1;
the first detection device, the second detection device and the third detection device are respectively connected with the vehicle control unit 1;
the first detection device sends a first signal to the vehicle control unit 1, wherein the first signal is used for indicating a fire detection state in the vehicle body;
the second detection device sends a second signal to the vehicle control unit 1, wherein the second signal is used for indicating a fire detection state outside the vehicle body;
and the third detection device sends a third signal to the vehicle control unit 1, wherein the third signal is used for indicating the fire detection state of the power battery.
In the embodiment of the present invention, a first detection device, a second detection device and a third detection device are respectively connected to the vehicle controller 1, the first detection device is disposed inside the vehicle body for detecting a fire state inside the vehicle body, and when a fire inside the vehicle body is detected or a fire risk exists, a first signal is sent to the vehicle controller 1; the second detection device is arranged outside the vehicle body and used for detecting the fire state outside the vehicle body, and when the fire outside the vehicle body is detected or the fire risk exists, a second signal is sent to the vehicle control unit 1; the third detection device is arranged inside a power battery on the vehicle and used for detecting the fire state of the power battery, and when the power battery is detected to be on fire or the risk of fire exists, the third detection device sends a third signal to the vehicle control unit 1.
The utility model discloses a set up the first detection device who is connected respectively with vehicle control unit 1 on the vehicle, second detection device and third detection device, be used for detecting the inside fire state of automobile body, the outside fire state of automobile body and power battery's fire state respectively, can realize monitoring and in time reminding the conflagration at different positions on the vehicle, and confirm the position of ignition, provide the time of fleing for the navigating mate on the vehicle, perhaps indicate the early warning to the personnel not in the vehicle, reduce personnel and loss of property.
Optionally, the first detecting device includes: the first temperature sensor 2 and the first camera 3 are arranged in the vehicle body; the first temperature sensor 2 is used for monitoring the temperature inside the vehicle body, and the first camera 3 is used for shooting the image of the flame inside the vehicle body.
In an embodiment of the present invention, please refer to fig. 1, the first detecting device includes: set up in inside first temperature sensor 2 and the first camera 3 of automobile body, wherein, first temperature sensor 2 is indoor temperature sensor, and first camera 3 is indoor camera.
Optionally, the second detecting device includes: a second temperature sensor 4 arranged in the front cabin of the vehicle, and a second camera 5 arranged outside the vehicle body; the second temperature sensor 4 is used for monitoring the temperature outside the vehicle body, and the second camera 5 is used for shooting the image of the flame of the vehicle body.
In an embodiment of the present invention, please refer to fig. 1, the second detecting device includes: the second temperature sensor 4 is arranged on the front cabin of the vehicle, the second cameras 5 are arranged outside the vehicle body, the second temperature sensor 4 is a front cabin temperature sensor, the number of the second cameras 5 arranged outside the vehicle body is 3, the second cameras are respectively arranged above the front cabin of the vehicle and on the left side and the right side of the front cabin of the vehicle, and therefore the fire state in all directions outside the vehicle can be detected more comprehensively.
Optionally, the third detecting device includes: a detector 7 arranged inside the power battery 6; wherein, the detector 7 is used for monitoring the temperature value and the pressure value of the power battery 6.
In an embodiment of the present invention, the third detecting device includes: the detector 7 is arranged inside the power battery 6, wherein the detector 7 is a pressure and smoke integrated detector, and can monitor the temperature of the power battery and the pressure value of the power battery.
Optionally, when the first temperature sensor 2 monitors that the temperature inside the vehicle body is greater than or equal to a first preset value, a first signal is sent to the vehicle control unit 1;
the vehicle control unit 1 sends a first starting signal to the first camera 3, a first control signal to the vehicle body controller, and a first prompt signal to the vehicle networking system according to the first signal.
In the embodiment of the application, the fire detection and control principle inside the vehicle body is as follows: when the first temperature sensor 2 monitors that the temperature inside the vehicle body is greater than or equal to a first preset value, optionally, the first preset value is 60 ℃, a first signal is sent to the vehicle control unit 1, the vehicle control unit 1 is awakened, the vehicle control unit 1 sends a first starting signal to the first camera 3, the first camera 3 is enabled to shoot an image of flame inside the vehicle body, the flame form is identified, after the fact that no person exists in the vehicle is confirmed through the first camera 3, a first control signal is sent to a vehicle Body Controller (BCM), all vehicle windows are controlled to be closed, oxygen in the vehicle is rapidly exhausted under the combustion of the flame, the flame is extinguished, meanwhile, a first prompt signal is sent to a vehicle networking system (Telematics BOX, T-BOX), and the T-BOX responds to the first prompt signal and sends prompt information to a mobile phone of the vehicle owner.
Optionally, when the second temperature sensor 4 monitors that the temperature outside the vehicle body is greater than or equal to a second preset value, a second signal is sent to the vehicle control unit 1;
the vehicle control unit 1 respectively sends a second starting signal to the second camera 5 and a second prompt signal to the vehicle networking system according to the second signal; wherein the second cue signal comprises vehicle position coordinates.
The embodiment of the utility model provides an in, the outside conflagration of automobile body detects and the control principle does: when the second temperature sensor 4 monitors that the temperature outside the vehicle body is greater than or equal to a second preset value, optionally, the second preset value is 60 ℃, a second signal is sent to the vehicle control unit 1 to wake up the vehicle control unit 1, the vehicle control unit 1 sends a second starting signal to the second camera 5 to enable the second camera 5 to shoot images of flames outside the vehicle body and recognize the forms of the flames, when the vehicle control unit 1 confirms that a fire source is located outside the vehicle body and no person is in the vehicle and can not extinguish the fire, a second prompt signal is sent to the T-BOX, the T-BOX sends prompt information to a mobile phone of the vehicle owner, meanwhile, the T-BOX dials a fire rescue phone and sends position coordinates of the vehicle to the monitoring and rescue platform to wait for rescue, the vehicle control unit 1 transmits a fire video shot by the second camera 5 to the T-BOX, and uploads the fire video to the monitoring and rescue platform through the T-BOX, is convenient for the later period investigation of the fire.
Optionally, the fire detection device further comprises: a fire control device connected to the power battery 6;
the fire control device is connected with the vehicle control unit 1;
the fire control device includes: a fire extinguishing agent storage tank 8;
wherein the fire extinguishing agent storage box 8 is connected with the power battery 6 through a pipeline.
In the embodiment of the utility model, please refer to fig. 2, include a plurality of battery module 61 in the power battery 6, power battery 6 is inside to be provided with detector 7 among the third detection device, detector 7 is connected with vehicle control unit 1, and detector 7 is used for monitoring power battery 6's temperature value and pressure value, and detector 7 still connects a dc power supply 10 and an alarm starting switch 11 respectively, and dc power supply 10 is used for providing the electric energy for detector 7, supplies detector 7 work, and alarm starting switch 11 is used for opening or closing detector 7.
The fire detection device further comprises a fire control device arranged outside the power battery 6, the fire control device comprises a fire extinguishing agent storage box 8, the fire extinguishing agent storage box 8 is connected with the whole vehicle controller 1, 5kg of fire extinguishing inhibitor perfluorohexanone is stored in the fire extinguishing agent storage box 8, when the power battery is out of control thermally, the whole vehicle controller 1 controls the fire control device to spray the fire extinguishing inhibitor perfluorohexanone into the power battery 6 completely through a pipeline in 30s, the effect of delaying for 5min to play the role of open fire is achieved, and the escape time is provided for people in the vehicle.
In the fire extinguishing agent storage box, the types of fire extinguishing inhibitors are as follows: perfluorohexanone; the capacity of the fire extinguishing inhibitor is as follows: 5 kg; the working pressure is as follows: 2MPa at normal temperature; the working temperature range is as follows: -40 ℃ to 80 ℃; the working voltage is as follows: 9-36V; the application range is as follows: a class A fire, a class B fire, a class C fire, and a class E fire; release time of fire extinguishing suppressant: less than or equal to 30 s.
Optionally, the detector 7 monitors that the highest temperature of the single battery of the power battery is greater than a third preset value, and the second high temperature is greater than a fourth preset value and lasts for a first preset time, or detects that the highest temperature of the single battery of the power battery is greater than a fifth preset value, the temperature rise rate of the single battery is greater than a preset rate and lasts for a second preset time, and the temperature does not drop within the third preset time, or sends a third signal to the vehicle control unit 1 when the pressure value increase of the power battery is greater than a first threshold value and the pressure absolute value of the power battery is greater than a second threshold value;
the vehicle control unit 1 respectively sends a third starting signal to the fire control device and a third prompt signal to the internet of vehicles according to the third signal; wherein the third start signal is used for controlling the fire extinguishing agent stored in the fire extinguishing agent storage tank 8 to be sprayed into the power battery 6.
The embodiment of the utility model provides an in, power battery's conflagration detects and the control principle does: the highest temperature of the single batteries in the battery module 61 in the power battery 6 is greater than a third preset value, optionally, the third preset value is 65 ℃, and the second highest temperature is greater than a fourth preset value, and the first preset time duration lasts for a first preset time duration, optionally, the fourth preset value is 55 ℃, and the first preset time duration is 5 s; or the temperature rise rate dT/dT of the single battery is greater than a preset rate and lasts for a second preset time, optionally, the preset rate is 2 ℃/s, the second preset time is 3s, and then the temperature does not fall within a third preset time, optionally, the third preset time is 5 s; or the pressure increment of the power battery 6 is greater than a first threshold, optionally, the first threshold is 3kpa, and the absolute value of the pressure is greater than a second threshold, optionally, when the second threshold is 105kpa, the detector 7 sends a third signal to the vehicle control unit 1 to report a thermal runaway fault, the vehicle control unit 1 sends a third starting signal to the fire control device to control the fire extinguishing inhibitor stored in the fire extinguishing agent storage BOX 8 to be sprayed into the power battery 6 within 30s, and at the same time, the vehicle control unit lights a fault warning lamp to remind a user to stop at the side, sends a third warning signal to the T-BOX, and sends the vehicle position coordinate to the monitoring and rescue platform to wait for rescue.
Please refer to fig. 3, and fig. 3 is a connection block diagram of a fire detection device according to an embodiment of the present invention.
The first detection device, the second detection device and the third detection device are respectively connected with a vehicle control unit, and the vehicle control unit is also respectively connected with a vehicle Body Controller (BCM), a fire control device, a driving System, a vehicle networking System (T-BOX) and a Battery Management System (BMS) on a vehicle body through a Controller Area Network (CAN) bus and transmits signals.
Optionally, the pipeline is connected with the power battery 6 through a nozzle 9.
In the embodiment of the present invention, please continue to refer to fig. 2, in order to rapidly spray the fire-extinguishing inhibitor into the power battery 6 from the fire-extinguishing agent storage tank 8, at least one nozzle 9 is connected to the fire-extinguishing agent storage tank 8 through a pipeline connected to the power battery 6 near one end of the power battery 6, and optionally, the number of the nozzles 9 is two.
The embodiment of the utility model provides a still provide a vehicle, include as above arbitrary any fire detection device.
It should be noted that the embodiment of the present invention provides a vehicle including the above fire detection device, and all embodiments of the above fire detection device are applicable to the vehicle, and can achieve the same or similar technical effects.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (10)
1. A fire detection device, comprising:
the device comprises a first detection device, a second detection device, a third detection device and a vehicle control unit (1);
the first detection device, the second detection device and the third detection device are respectively connected with the vehicle control unit (1);
the first detection device sends a first signal to the vehicle control unit (1), and the first signal is used for indicating a fire detection state in the vehicle body;
the second detection device sends a second signal to the vehicle control unit (1), and the second signal is used for indicating a fire detection state outside the vehicle body;
and the third detection device sends a third signal to the vehicle control unit (1), and the third signal is used for indicating the fire detection state of the power battery.
2. A fire detection device as claimed in claim 1, wherein the first detection device comprises: the first temperature sensor (2) and the first camera (3) are arranged in the vehicle body; the first temperature sensor (2) is used for monitoring the temperature inside the vehicle body, and the first camera (3) is used for shooting images of flames inside the vehicle body.
3. A fire detection device as claimed in claim 1, wherein the second detection device comprises: the second temperature sensor (4) is arranged in a front cabin of the vehicle, and the second camera (5) is arranged outside the vehicle body; the second temperature sensor (4) is used for monitoring the temperature outside the vehicle body, and the second camera (5) is used for shooting images of flames of the vehicle body.
4. A fire detection device as claimed in claim 1, wherein the third detection means comprises: a detector (7) arranged inside the power battery (6); the detector (7) is used for monitoring the temperature value and the pressure value of the power battery (6).
5. The fire detection device according to claim 2, wherein when the first temperature sensor (2) monitors that the temperature inside the vehicle body is greater than or equal to a first preset value, a first signal is sent to the vehicle control unit (1);
the vehicle control unit (1) respectively sends a first starting signal to the first camera (3), a first control signal to the vehicle body controller and a first prompt signal to the vehicle networking system according to the first signal.
6. A fire detection device according to claim 3, wherein the second temperature sensor (4) sends a second signal to the vehicle control unit (1) when monitoring that the temperature outside the vehicle body is greater than or equal to a second preset value;
the vehicle control unit (1) respectively sends a second starting signal to the second camera (5) and a second prompt signal to the vehicle networking system according to the second signal; wherein the second cue signal comprises vehicle position coordinates.
7. The fire detection device of claim 4, further comprising: the fire control device is connected with the power battery (6);
wherein the fire control device is connected with the vehicle control unit (1);
the fire control device includes: a fire suppressant storage tank (8);
wherein the fire extinguishing agent storage tank (8) is connected with the power battery (6) through a pipeline.
8. The fire detection device according to claim 7, wherein the detector (7) sends a third signal to the vehicle control unit (1) when detecting that the highest temperature of the single battery of the power battery is greater than a third preset value and the second highest temperature is greater than a fourth preset value for a first preset time period, or detecting that the highest temperature of the single battery of the power battery is greater than a fifth preset value and the temperature rise rate of the single battery is greater than a preset rate for a second preset time period, and the temperature does not drop within the third preset time period, or when the pressure value of the power battery is increased by more than a first threshold value and the absolute pressure value of the power battery is greater than a second threshold value;
the vehicle control unit (1) respectively sends a third starting signal to the fire control device and a third prompt signal to the Internet of vehicles system according to the third signal; wherein the third activation signal is used to control the spraying of the fire suppressant stored in the fire suppressant storage tank (8) into the power battery (6).
9. A fire detection device according to claim 7, characterised in that the conduit is connected to the power cell (6) via a nozzle (9).
10. A vehicle, characterized by comprising a fire detection device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120268969.2U CN214098619U (en) | 2021-01-29 | 2021-01-29 | Fire detection device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120268969.2U CN214098619U (en) | 2021-01-29 | 2021-01-29 | Fire detection device and vehicle |
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| Publication Number | Publication Date |
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| CN214098619U true CN214098619U (en) | 2021-08-31 |
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| CN202120268969.2U Active CN214098619U (en) | 2021-01-29 | 2021-01-29 | Fire detection device and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398635A (en) * | 2023-12-15 | 2024-01-16 | 万真消防技术(广东)有限公司 | Fire safety protection method and device based on energy storage container and storage medium |
-
2021
- 2021-01-29 CN CN202120268969.2U patent/CN214098619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398635A (en) * | 2023-12-15 | 2024-01-16 | 万真消防技术(广东)有限公司 | Fire safety protection method and device based on energy storage container and storage medium |
| CN117398635B (en) * | 2023-12-15 | 2024-03-19 | 万真消防技术(广东)有限公司 | Fire safety protection method and device based on energy storage container and storage medium |
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