An analysis of the causes of fires in new energy vehicles revealed that there are many reasons for these fires, mainly including the following categories: battery aging, physical collisions, extreme temperatures, electronic control systems, and improper use such as overcharging and over-discharging of lithium batteries.
With the booming development of new energy vehicles, safety accidents caused by thermal runaway of lithium-ion batteries occur frequently, posing a significant safety hazard. Early warning and necessary prevention and control measures in the early stages of a fire are of great significance in protecting the safety of vehicles and personnel.
Lithium-ion power battery (box) fire detection device
Application areas
The fire detection device for lithium-ion power battery boxes in new energy vehicles is mainly used for early detection and alarm of fires in lithium-ion battery cells, modules, battery packs and battery compartments. It is widely used in the detection and prevention of lithium-ion battery fires in commercial vehicles, passenger vehicles, energy storage power stations and other applications.
Device Composition
The detection device consists of a detection unit, a control unit, and a display unit.
Detection unit: detects thermal runaway and outputs a signal to activate the fire extinguishing device;
Control unit: Receives and stores data from the detection unit, connects to the display unit, and transmits information externally;
Display unit: Displays audible and visual alarm signals, and allows manual activation of the fire extinguishing device.
What are the core technologies of the detection device?
1. Multi-sensor fusion technology enables multi-dimensional comparison and judgment, preventing false alarms;
2. Early warning technology for lithium battery fires, integrating VOC/CO/temperature/flame detection;
3. CAN bus communication technology, distributed control system, enables real-time and reliable communication;
4. High-speed, high-precision processing circuit, with stable signal, high accuracy, and good repeatability.
Lithium-ion power battery (box) fire suppression device
Application areas:
The lithium-ion power battery (box) fire suppression device is specifically designed to extinguish the initial thermal runaway of lithium iron phosphate lithium-ion battery boxes, prevent lithium-ion battery fires, and protect the safety of the battery box and related personnel.
Advantages and characteristics
1. It adopts imported sensors and is combined with high-speed, high-precision processing circuits, which have the advantages of stable signal, high accuracy and good repeatability, and are suitable for various places with lithium-ion thermal runaway risk.
2. By monitoring changes in CO gas concentration, VOC concentration, smoke concentration, and battery surface temperature within the protected area, it can intelligently determine whether the lithium-ion battery has experienced thermal runaway, and has alarm signal and linkage control signal output functions.
3. It can output various standard signals and can be connected to fire alarm systems and CAN bus communication systems, etc. It is widely used in lithium-ion battery fire detection and prevention in commercial vehicles, passenger vehicles and other applications.
For lithium-ion power battery (box) fire suppression devices, ICbuy.com recommends imported CO sensor TGS5141, VOC sensor TGS2600, ion smoke sensor - NIS-09C, and temperature and humidity sensor HTU21D. These sensors monitor changes in CO gas concentration, VOC concentration, smoke concentration, and battery surface temperature within the protected area, and intelligently determine whether the lithium-ion battery has experienced thermal runaway.
