Underground garage electric vehicle spontaneous combustion detection alarm system

Abstract

The utility model discloses an underground garage electric automobile spontaneous combustion detection alarm system which comprises a track inspection robot and a detection alarm device. The detection alarm device comprises a box body, the top wall of the box body is connected with the track inspection robot, a hydrogen probe, a methane probe, a carbon monoxide probe and a carbon dioxide probe are arranged on the front side wall of the box body, an audible and visual alarm is arranged on the right side wall of the box body, and an infrared thermal imaging camera is arranged on the bottom wall of the box body. A main board is arranged in the box body, and the hydrogen probe, the methane probe, the carbon monoxide probe, the carbon dioxide probe, the infrared thermal imaging camera and the audible and visual alarm are electrically connected with the main board. The utility model provides an underground garage electric automobile spontaneous combustion detection alarm system, which is used for monitoring a battery of an electric automobile in real time and carrying out early warning in time when the battery is in thermal runaway.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of underground garage electric vehicle spontaneous combustion detection alarm system, belong to fire safety technical field. BACKGROUND

[0002] At present, with the continuous development of new energy technology, electric vehicles have become more and more popular. However, electric vehicle spontaneous combustion accidents are not uncommon, especially when electric vehicles are parked in underground garages, there are relatively few pedestrians and security personnel inside the underground garage. Once the electric vehicle catches fire, it cannot be extinguished and rescued in time. In addition, the parking distance between vehicles in the underground garage is small, and the surrounding vehicles will be ignited after the electric vehicle catches fire, causing serious fire accidents. Therefore, how to give an early warning in time before the electric vehicle catches fire is a problem that needs to be solved urgently. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide an underground garage electric vehicle spontaneous combustion detection alarm system for real-time monitoring of the battery of an electric vehicle and timely warning when the battery overheats.

[0004] To solve the above technical problems, the technical scheme of the utility model is:

[0005] An underground garage electric vehicle spontaneous combustion detection alarm system comprises a track inspection robot and a detection alarm device.

[0006] The detection alarm device comprises a box body, the top wall of the box body is connected to the track inspection robot, a hydrogen probe, a methane probe, a carbon monoxide probe and a carbon dioxide probe are arranged on the front side wall of the box body, an audible and visual alarm is arranged on the right side wall of the box body, an infrared thermal imaging camera is arranged on the bottom wall of the box body, a mainboard is arranged in the box body, and the hydrogen probe, the methane probe, the carbon monoxide probe, the carbon dioxide probe, the infrared thermal imaging camera and the audible and visual alarm are electrically connected to the mainboard.

[0007] Further, the mainboard is fixed in the box body by a stud.

[0008] Further, a cover plate is hingedly connected to the rear side wall of the box body, and the cover plate is fixedly connected to the box body by a turn tongue lock.

[0009] Further, the mainboard comprises an AD conversion module, an MCU module, a communication component and an audible and visual alarm switch module, the hydrogen probe, the methane probe, the carbon monoxide probe and the carbon dioxide probe are connected to the input end of the AD conversion module, the output end of the AD conversion module is connected to the MCU module, the communication component is connected to the MCU module, and the MCU module is connected to the audible and visual alarm through the audible and visual alarm switch module.

[0010] Further, the mainboard further comprises a serial port server, a signal output end of the infrared thermal imaging camera is connected with an input end of the serial port server, and an output end of the serial port server is connected with the MCU module.

[0011] Further, the box body is provided with a battery, and the battery supplies power for the mainboard, the infrared thermal imaging camera and the sound-light alarm.

[0012] Further, the communication assembly comprises a wireless Lora module, and the wireless Lora module is connected with the MCU module.

[0013] Further, the communication assembly comprises a 5G module, and the 5G module is connected with the MCU module.

[0014] By adopting the above technical scheme, the temperature of the electric vehicle is detected by the detection alarm device, and whether the battery is in thermal runaway is monitored in real time. Meanwhile, hydrogen, methane, carbon monoxide and carbon dioxide around the electric vehicle are monitored in real time, and hydrogen and methane are used as the symbolic gas to determine whether the lithium battery is in thermal runaway. When the battery is in the risk of spontaneous combustion, the alarm is immediately given, the relevant personnel are reminded in time to handle the safety before the electric vehicle is in spontaneous combustion, and the influence of the fire is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 2 is a structural schematic view of the underground garage electric vehicle spontaneous combustion detection alarm system of the utility model;

[0016] Figure 2 Fig. 4 is a back structure schematic view of the detection alarm device of the utility model;

[0017] Figure 3 Fig. 5 is a principle block diagram of the underground garage electric vehicle spontaneous combustion detection alarm system of the utility model;

[0018] Figure 4 Fig. 7 is a circuit principle diagram of the MCU module of the utility model;

[0019] Figure 5 Fig. 9 is a circuit principle diagram of the AD conversion module of the utility model;

[0020] Figure 6 Fig. 11 is a circuit principle diagram of the wireless Lora module of the utility model;

[0021] Figure 7 Fig. 13 is a circuit principle diagram of the 5G module of the utility model;

[0022] Figure 8 Fig. 15 is a circuit principle diagram of the sound-light alarm switch module of the utility model;

[0023] Figure 9 The circuit principle diagram of the power supply module. DETAILED DESCRIPTION

[0024] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further explained in detail.

[0025] As Figure 1 , 2 shown, the embodiment provides a kind of underground garage electric vehicle spontaneous combustion detection alarm system, it includes track inspection robot 1 and detection alarm device.If the battery 212 of electric vehicle occurs thermal runaway, then battery 212 has the risk of explosion and spontaneous combustion, by detection alarm device to the temperature of electric vehicle carries out infrared thermal imaging detection, battery 212 whether thermal runaway can be monitored in real time.It is in addition that the lithium battery 212 is mostly used in current electric vehicle, in the thermal runaway event of lithium battery 212, various gas, for example: hydrogen, methane, carbon monoxide, carbon dioxide gas, etc., there is a certain amount of carbon monoxide and carbon dioxide gas in underground garage because there is also ordinary fuel car, therefore hydrogen and methane are used as symbolic gas to judge lithium battery 212 is there spontaneous combustion risk.Track inspection robot 1 of the embodiment is installed on the top of underground garage using filmptz cruise track inspection robot, detection alarm device is driven by track inspection robot 1 to carry out inspection, so that detection range is larger.Detection alarm device detects that electric vehicle has spontaneous combustion risk, carries out audible and visual alarm, and sends alarm information to monitoring room simultaneously.

[0026] As Figure 1 , 2 shown, the detection alarm device of the embodiment includes box 21, the top wall of box 21 is connected with track inspection robot 1 by screw.Mainboard 28 is arranged in box 21, and mainboard 28 is fixed in box 21 by stud 29.The rear side wall of box 21 is hinged with cover plate 210, and cover plate 210 is connected and fixed with box 21 by tongue lock 211, and cover plate 210 can be opened and closed by tongue lock 211, and mainboard 28 is wired, disassembled and maintained.

[0027] Hydrogen probe 22, methane probe 23, carbon monoxide probe 24 and carbon dioxide probe 25 are arranged on the front side wall of box 21, and audible and visual alarm 26 is arranged on the right side wall of box 21, and infrared thermal imaging camera 27 is arranged on the bottom wall of box 21, and hydrogen probe 22, methane probe 23, carbon monoxide probe 24, carbon dioxide probe 25, infrared thermal imaging camera 27 and audible and visual alarm 26 are electrically connected with mainboard 28.

[0028] As Figure 3As shown, the mainboard 28 of the embodiment includes an AD conversion module, an MCU module, a communication component, and an audible and visual alarm switch module.

[0029] The hydrogen probe 22, the methane probe 23, the carbon monoxide probe 24, and the carbon dioxide probe 25 are connected to the input end of the AD conversion module, and the output end of the AD conversion module is connected to the MCU module. The hydrogen, methane, carbon monoxide, and carbon dioxide gases are collected by the hydrogen probe 22, the methane probe 23, the carbon monoxide probe 24, and the carbon dioxide probe 25, and the AD conversion module converts the analog signals output by each probe into digital signals and transmits them to the MCU module. If hydrogen, methane, carbon monoxide, and carbon dioxide gases are detected at the same time, it indicates that the battery 212 has thermal runaway and is at risk of spontaneous combustion. In the embodiment, as shown, Figure 4 As shown, the MCU module uses an MCU chip U1 with the model number STM32F103VET6. As shown, Figure 5 As shown, the analog-to-digital conversion module uses a high-precision synchronous AD conversion chip U2 with the model number AD7606BSTZ. The analog quantity signals of the gases collected by the hydrogen probe 22, the methane probe 23, the carbon monoxide probe 24, and the carbon dioxide probe 25 are converted into digital signals by the AD conversion chip U2 and output to the IO port of the MCU chip U1.

[0030] As shown, Figure 3 As shown, the signal output end of the infrared thermal imaging camera 27 of the embodiment is connected to the MCU module through a serial server, the infrared thermal imaging camera 27 monitors the temperature of the electric vehicle in real time, and the personnel in the monitoring room can observe the thermal imaging picture of the electric vehicle in real time. If it is found that the temperature of the battery 212 part is too high, it indicates that the battery 212 has thermal runaway. In the embodiment, the infrared thermal imaging camera 27 uses a YRH300 single-light intrinsically safe thermal imager produced by Guxiuyixin Company, which is equipped with an Ethernet output interface and is connected to the serial server on the mainboard 28 through the Ethernet interface. The serial server has the model number of Sanwang NPM301 and can convert the Ethernet signal into an RS485 signal and output it to the MCU chip U1.

[0031] As shown, Figure 3 As shown, the MCU module of the embodiment communicates with the host computer in the monitoring room through the communication component and uploads the gas concentration and the thermal imaging picture of the electric vehicle to the host computer. When the battery 212 has a thermal runaway event, an alarm information is sent. The communication component of the embodiment includes a wireless Lora module and a 5G module, both of which are connected to the MCU module. The wireless Lora module is used for wireless communication between the MCU module and the host computer and sends gas information and alarm information to the host computer. The wireless Lora module establishes communication with the host computer through a Lora wireless gateway installed on the top of the underground garage, as shown, Figure 6As shown, the wireless lora module adopts the lora communication module M_GD20 of RENYU intelligence. The embodiment also adds a 5G module, as Figure 7 As shown, the 5G module adopts the 5G communication module W1 with the model RG200U-CN, which can remotely send alarm information to the mobile phone of the monitoring personnel through the 5G network.

[0032] As shown, Figure 3 As shown, the MCU module of the embodiment is connected with the sound and light alarm 26 through the sound and light alarm switch module. When the battery 212 appears thermal runaway, the MCU module turns on the sound and light alarm 26 through the sound and light alarm switch module to perform sound and light alarm, and the sound and light alarm switch module adopts a relay. As shown, Figure 8 As shown, when alarming, the sound and light alarm lamp can be externally connected through the wiring terminal P1, and the sound and light alarm lamp is opened by the relay K1 to perform alarm, and the buzzer FM1 can also be used for sound alarm prompt.

[0033] As shown, Figure 1 As shown, the battery 212 is arranged in the box body 21 of the embodiment, and the battery 212 supplies power to the main board 28, the infrared thermal imaging camera 27 and the sound and light alarm 26. As shown, Figure 9 As shown, the main board 28 is provided with a power supply circuit, the 12V voltage of the battery is converted into 5V voltage through the power management chip VRA1205ZP-10WR3, and then the 5V voltage is converted into 3.3V voltage through the power conversion chip, so as to supply power to the circuit module on the main board 28, the infrared thermal imaging camera 27 and the sound and light alarm 26.

[0034] The above specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above description is only for specific embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A self-ignition detection and alarm system for electric vehicles in an underground parking garage, characterized in that: It includes track inspection robot (1) and detection alarm device; The detection alarm device includes a box body (21), the top wall of the box body (21) is connected with the track inspection robot (1), a hydrogen probe (22), a methane probe (23), a carbon monoxide probe (24) and a carbon dioxide probe (25) are arranged on the front side wall of the box body (21), a sound and light alarm (26) is arranged on the right side wall of the box body (21), an infrared thermal imaging camera (27) is arranged on the bottom wall of the box body (21), a mainboard (28) is arranged in the box body (21), the hydrogen probe (22), the methane probe (23), the carbon monoxide probe (24), the carbon dioxide probe (25), the infrared thermal imaging camera (27) and the sound and light alarm (26) are electrically connected with the mainboard (28).

2. The underground garage electric vehicle spontaneous combustion detection and alarm system according to claim 1, characterized in that: The mainboard (28) is fixed in the box body (21) by a stud (29).

3. The underground garage electric vehicle spontaneous combustion detection and alarm system according to claim 1, characterized in that: The rear side wall of the box body (21) is hinged with a cover plate (210), the cover plate (210) is connected and fixed with the box body (21) by a hinge lock (211).

4. The underground garage electric vehicle spontaneous combustion detection and alarm system according to claim 1, characterized in that: The mainboard (28) includes an AD conversion module, an MCU module, a communication component and a sound and light alarm switch module, the hydrogen probe (22), the methane probe (23), the carbon monoxide probe (24) and the carbon dioxide probe (25) are connected with the input end of the AD conversion module, the output end of the AD conversion module is connected with the MCU module, the communication component is connected with the MCU module, and the MCU module is connected with the sound and light alarm (26) through the sound and light alarm switch module.

5. The underground garage electric vehicle spontaneous combustion detection and alarm system according to claim 4, characterized in that: The mainboard (28) further includes a serial port server, the signal output end of the infrared thermal imaging camera (27) is connected with the input end of the serial port server, and the output end of the serial port server is connected with the MCU module.

6. The underground garage electric vehicle spontaneous combustion detection and alarm system according to claim 5, characterized in that: The box body (21) is provided with a battery (212), and the battery (212) supplies power to the mainboard (28), the infrared thermal imaging camera (27) and the sound and light alarm (26).

7. The underground garage electric vehicle self-ignition detection and alarm system according to claim 4, wherein: The communication component includes a wireless Lora module, and the wireless Lora module is connected with the MCU module.

8. The underground garage electric vehicle self-ignition detection and alarm system according to claim 4, characterized in that: The communication component includes a 5G module, and the 5G module is connected with the MCU module.

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