Power battery early warning and alarm fire extinguishing device, equipment and method

Abstract

The invention discloses a power battery early warning and alarm fire extinguishing device, equipment and method in the technical field of new energy automobile safety, and the device comprises a monitoring module which is used for monitoring the state of a power battery and generating monitoring data; the control module is used for receiving and processing the monitoring data, if the monitoring data does not exceed a preset threshold value, the control module generates normal information, and otherwise, the control module generates abnormal information; the wireless communication unit is used for sending the abnormal information to a remote monitoring center of a vehicle manufacturer or a mobile phone terminal of a vehicle owner; the alarm module is used for sending an alarm signal; the fire extinguishing module is used for extinguishing a battery fire; the monitoring module monitors the temperature, smoke and gas of the battery in real time through various sensors, the abnormal state of the battery can be found timely and accurately, reliable data support is provided for fire early warning, and execution of subsequent accurate fire extinguishing actions is facilitated.

Description

Technical Field

[0001] The present application relates to the field of new energy vehicle safety technology, and specifically to a power battery early warning and alarm fire extinguishing device, equipment and method. Background Art

[0002] With the popularity of new energy vehicles, the safety of power batteries has become a crucial issue. During use, power batteries may cause thermal runaway due to various reasons, such as short circuit, overheating, overcharging, etc., which may lead to fire accidents. Although existing new energy vehicles are equipped with some battery management systems (BMS) to monitor the battery status, there are still deficiencies in fire prevention and initial disposal. Once the battery catches fire, the fire spreads rapidly, and traditional on-board fire extinguishing devices are often difficult to respond effectively, posing a huge threat to the life safety of drivers and passengers and vehicle property. Therefore, a device that can warn of abnormal battery conditions in advance and take fire extinguishing measures quickly at the early stage of a fire is needed to improve the safety of new energy vehicles. Summary of the invention

[0003] The purpose of this application is to provide a power battery early warning and alarm fire extinguishing device, equipment and method to solve the problem of insufficient fire prevention and initial fire extinguishing capabilities of power batteries for new energy vehicles in the prior art.

[0004] In order to achieve the above objectives, this application is implemented by adopting the following technical solutions: In a first aspect, the present application discloses a power battery early warning and alarm fire extinguishing device, which comprises: A monitoring module, which is used to monitor the status of the power battery and generate monitoring data; A control module, the control module is used to receive and process the monitoring data, if the monitoring data does not exceed a preset threshold, the control module generates normal information, if the monitoring data exceeds the preset threshold, the control module generates abnormal information; A wireless communication unit, wherein the wireless communication unit sends the abnormal information to a remote monitoring center of the vehicle manufacturer or a mobile phone terminal of the vehicle owner; An alarm module, the alarm module is used to receive the abnormal information generated by the control module and send out an alarm signal; A fire extinguishing module is used to receive the abnormal information generated by the control module and extinguish the battery fire.

[0005] In a further embodiment of the present application, the monitoring module comprises: A temperature sensor array, which is configured to monitor the temperature change of the battery in real time and transmit the temperature data to the control module; a smoke sensor configured to detect a concentration value of smoke in the battery compartment and feed back the concentration value of the smoke to the control module; The gas sensor is configured to detect a concentration value of a specific gas generated by the battery under abnormal conditions and feed back the specific gas concentration value to the control module.

[0006] A further solution, When the temperature of the battery is less than a maximum setting value and / or the concentration value of the smoke is less than a maximum setting value and / or the concentration value of the smoke is less than a maximum setting value, the control module generates normal information; When the temperature of the battery is not less than a maximum setting value and / or the concentration value of the smoke is not less than a maximum setting value and / or the concentration value of the smoke is not less than a maximum setting value, the control module generates abnormal information.

[0007] Further solutions of this application, When the control module receives the monitoring data and generates normal information, the control module periodically performs self-inspection on the monitoring module; When the control module receives monitoring data and generates abnormal information, the wireless communication unit and the fire extinguishing module are activated.

[0008] In a further solution of the present application, the fire extinguishing module includes a fire extinguishing agent storage tank, a nozzle array and a fire extinguishing trigger unit, and the nozzle array is connected to the fire extinguishing agent storage tank pipeline; When the control module issues a fire extinguishing command, the fire extinguishing trigger unit controls the fire extinguishing agent storage tank to open a valve, so that the fire extinguishing agent is evenly sprayed in the battery compartment through the nozzle array.

[0009] According to a further solution of the present application, the power battery early warning and alarm fire extinguishing device also includes a manual trigger switch, and the manual trigger switch is electrically connected to the fire extinguishing module.

[0010] In a further solution of the present application, the control module is also connected to the vehicle central control system; The vehicle central control system receives the abnormal information generated by the control module, controls the vehicle braking and sends fault information to the vehicle instrument panel.

[0011] In a second aspect, the present application discloses a device, which includes a device body and the above-mentioned power battery early warning and alarm fire extinguishing device, and the power battery early warning and alarm fire extinguishing device is installed in the device body.

[0012] In a third aspect, the present application discloses a method for processing a power battery early warning and alarm fire extinguishing device, which specifically includes the following steps: According to the state of the power battery, the monitoring module detects the power battery and generates monitoring data; The control module receives the monitoring data, and if the monitoring data does not exceed a preset threshold, the control module generates normal information, and if the monitoring data exceeds the preset threshold, the control module generates abnormal information; The wireless communication unit sends the abnormal information to the remote monitoring center of the vehicle manufacturer or the mobile phone terminal of the vehicle owner; The alarm module receives the abnormal information generated by the control module and sends out an alarm signal; The fire extinguishing module receives the abnormal information generated by the control module and extinguishes the battery fire.

[0013] The beneficial effects of this application are: Comprehensive monitoring system: The monitoring module uses a variety of sensors to monitor the battery's temperature, smoke and gas in real time, and can detect abnormal battery conditions in a timely and accurate manner, providing reliable data support for fire warning. Once a battery abnormality is detected, the sound and light alarm will immediately sound an alarm, and the information will be sent out through the wireless communication unit, buying enough escape time for the driver and passengers and facilitating rescue personnel to arrive at the scene in time.

[0014] Efficient fire extinguishing system: The fire extinguishing module designed specifically for power battery fires can be quickly activated at the early stage of a fire, spraying the fire extinguishing agent evenly on the battery pack, effectively curbing the spread of fire and reducing the losses caused by the fire.

[0015] Linkage with vehicle control system: The control module is connected to the vehicle's central control system, and can automatically control the vehicle to slow down and park by the side of the road when the battery is abnormal, thereby improving the safety of the vehicle in emergency situations.

[0016] Manual emergency function: A manual trigger switch is set to provide drivers and passengers with additional emergency fire-fighting means, further enhancing the reliability and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the power battery early warning and alarm fire extinguishing device in the embodiment of the present application; Among them: 1. Temperature sensor array; 2. Smoke sensor; 3. Gas sensor; 4. Control module; 5. Sound and light alarm; 7. Fire extinguishing agent storage tank; 8. Nozzle array; 9. Fire extinguishing trigger unit; 11. Power battery pack; 12. Vehicle central control system. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Embodiment 1

[0019] The present embodiment discloses a power battery early warning and alarm fire extinguishing device, which includes a monitoring module, a control module 4, a wireless communication unit, an alarm module and a fire extinguishing module; the monitoring module is used to monitor the status of the power battery and generate monitoring data; the control module 4 is used to receive and process the monitoring data, if the monitoring data does not exceed the preset threshold, the control module 4 generates normal information, if the monitoring data exceeds the preset threshold, the control module 4 generates abnormal information; the wireless communication unit sends the abnormal information to the remote monitoring center of the vehicle manufacturer or the mobile phone terminal of the owner; the alarm module is used to receive the abnormal information generated by the control module 4 and send an alarm signal; the fire extinguishing module is used to receive the abnormal information generated by the control module 4 and extinguish the battery fire.

[0020] Attached Figure 1 As shown, in some embodiments, the specific configuration of the power battery early warning and alarm fire extinguishing device is as follows: • Monitoring module, used to monitor the status of the power battery, including: The temperature sensor array 1 is distributed in various key positions of the power battery pack 11, such as between battery cells, air inlets and outlets of the battery module, etc., for real-time monitoring of battery temperature changes and transmitting temperature data to the control module 4; The smoke sensor 2 is installed in the battery compartment and is used to detect whether smoke is generated and send a signal to the control module 4; The gas sensor 3 can detect specific gases generated by the battery under abnormal conditions, monitor the smoke and harmful gases in the battery compartment, and immediately feedback information to the control module 4 once an abnormality is detected.

[0021] • Control module 4, used to receive and process signals from the monitoring module; control module 4 uses a microprocessor or a programmable logic controller (PLC).

[0022] Specifically receive various signals from the monitoring module and analyze and process the data; The control module 4 has built-in preset temperature, smoke and gas concentration thresholds. When the received monitoring data exceeds the corresponding thresholds, it is determined that the battery is in an abnormal state and the alarm module and the fire extinguishing module are activated; The control module 4 is connected to the vehicle central control system 12, and can send fault information to the vehicle dashboard when the battery is abnormal, and control the vehicle to slow down and park; • Alarm module, used to issue an alarm when the battery is abnormal, including: The sound and light alarm 5 is installed in a prominent position inside the vehicle cab and outside the vehicle body. When the control module 4 determines that the battery is abnormal, a strong sound and light alarm is issued to remind the driver and passengers to evacuate the vehicle; in this embodiment, the volume and brightness of the sound and light alarm 5 are adjustable. • A wireless communication unit that sends battery abnormality information to the vehicle manufacturer’s remote monitoring center or the owner’s mobile phone terminal so that rescue measures can be taken in a timely manner; the wireless communication unit uses 4G / 5G communication technology or wireless communication methods such as Bluetooth and Wi-Fi.

[0023] • A fire extinguishing module, used to extinguish a battery fire, comprising: a fire extinguishing agent storage tank 7, a nozzle array 8 and a fire extinguishing trigger unit 9; The fire extinguishing agent storage tank 7 in the fire extinguishing module stores an appropriate amount of fire extinguishing agent, which is connected to the nozzle array 8 through a pipeline, and the fire extinguishing trigger unit 9 is connected to the control module 4. When the control module 4 issues a fire extinguishing command, the fire extinguishing trigger unit 9 controls the electric valve of the fire extinguishing agent storage tank 7 to open, and the fire extinguishing agent is evenly sprayed in the battery compartment through the nozzle array 8 to perform fire extinguishing operations. In addition, a manual trigger switch is also installed in the cab, which is installed in an easy-to-operate position in the cab, such as the central control of the cab, or on the main driver's door frame; when the automatic fire extinguishing system fails or the driver and passengers discover a battery fire, the fire extinguishing device can be manually activated for emergency fire extinguishing; the fire extinguishing agent storage tank 7 is equipped with a pressure sensor for real-time monitoring of the pressure of the fire extinguishing agent in the tank. When the pressure is lower than the preset value, a prompt message of insufficient fire extinguishing agent is sent to the vehicle dashboard. This design facilitates the replacement and maintenance of the fire extinguishing agent storage tank 7 in the later stage to prevent failure due to insufficient fire extinguishing agent.

[0024] In daily use, the monitoring module continuously monitors the power battery pack 11, and the control module 4 regularly performs self-inspections on each sensor to ensure the normal operation of the device. When the vehicle is charging or driving, once an abnormality occurs in the battery, the early warning alarm fire extinguishing device of the present invention can respond quickly, effectively prevent and extinguish battery fires, and ensure the safe operation of new energy vehicles. Embodiment 2

[0025] This embodiment provides a device, which includes a device body and the power battery early warning and alarm fire extinguishing device in the above-mentioned embodiment 1, and the power battery early warning and alarm fire extinguishing device is installed in the device body. Embodiment 3

[0026] This embodiment provides a processing method, which is implemented based on the above-mentioned implementation of a power battery early warning and alarm fire extinguishing device, and specifically includes the following steps: According to the state of the power battery, the monitoring module detects the power battery and generates monitoring data; The control module 4 receives the monitoring data, and if the monitoring data does not exceed the preset threshold, the control module 4 generates normal information, and if the monitoring data exceeds the preset threshold, the control module 4 generates abnormal information; The wireless communication unit module sends the abnormal information to the remote monitoring center of the vehicle manufacturer or the mobile phone terminal of the vehicle owner; The alarm module receives the abnormal information generated by the control module 4 and sends out an alarm signal; The fire extinguishing module receives the abnormal information generated by the control module 4 and extinguishes the battery fire.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", etc. are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, "multiple" means two or more.

[0028] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

Claims

1. A power battery early warning and alarm fire extinguishing device, characterized in that: include: A monitoring module, which is used to monitor the status of the power battery and generate monitoring data; A control module, the control module is used to receive and process the monitoring data, if the monitoring data does not exceed a preset threshold, the control module generates normal information, if the monitoring data exceeds the preset threshold, the control module generates abnormal information; A wireless communication unit, wherein the wireless communication unit sends the abnormal information to a remote monitoring center of the vehicle manufacturer or a mobile phone terminal of the vehicle owner; An alarm module, the alarm module is used to receive the abnormal information generated by the control module and send out an alarm signal; A fire extinguishing module is used to receive the abnormal information generated by the control module and extinguish the battery fire.

2. The power battery early warning and alarm fire extinguishing device according to claim 1, characterized in that: The monitoring module comprises: A temperature sensor array, which is configured to monitor the temperature change of the battery in real time and transmit the temperature data to the control module; a smoke sensor configured to detect a concentration value of smoke in the battery compartment and feed back the concentration value of the smoke to the control module; The gas sensor is configured to detect a concentration value of a specific gas generated by the battery under abnormal conditions and feed back the specific gas concentration value to the control module.

3. The power battery early warning and alarm fire extinguishing device according to claim 2, characterized in that: When the temperature of the battery is less than a maximum setting value and / or the concentration value of the smoke is less than a maximum setting value and / or the concentration value of the smoke is less than a maximum setting value, the control module generates normal information; When the temperature of the battery is not less than a maximum setting value and / or the concentration value of the smoke is not less than a maximum setting value and / or the concentration value of the smoke is not less than a maximum setting value, the control module generates abnormal information.

4. The power battery early warning and alarm fire extinguishing device according to claim 1, characterized in that: When the control module receives the monitoring data and generates normal information, the control module periodically performs self-inspection on the monitoring module; When the control module receives monitoring data and generates abnormal information, the wireless communication unit and the fire extinguishing module are activated.

5. The power battery early warning and alarm fire extinguishing device according to claim 1, characterized in that: The fire extinguishing module includes a fire extinguishing agent storage tank, a nozzle array and a fire extinguishing trigger unit, and the nozzle array is connected to the fire extinguishing agent storage tank pipeline; When the control module issues a fire extinguishing command, the fire extinguishing trigger unit controls the fire extinguishing agent storage tank to open a valve, so that the fire extinguishing agent is evenly sprayed in the battery compartment through the nozzle array.

6. The power battery early warning and alarm fire extinguishing device according to claim 1, characterized in that: The power battery early warning and alarm fire extinguishing device also includes a manual trigger switch, and the manual trigger switch is electrically connected to the fire extinguishing module.

7. The power battery early warning and alarm fire extinguishing device according to claim 1, characterized in that: The control module is also connected to the vehicle central control system; The vehicle central control system receives the abnormal information generated by the control module, controls the vehicle braking and sends fault information to the vehicle instrument panel.

8. A device, characterized in that: It comprises an equipment body and the power battery early warning and alarm fire extinguishing device as described in any one of claims 1 to 7 above, and the power battery early warning and alarm fire extinguishing device is installed in the equipment body.

9. A method for processing a power battery early warning and alarm fire extinguishing device according to any one of claims 1 to 7, characterized in that: include: According to the state of the power battery, the monitoring module detects the power battery and generates monitoring data; The control module receives the monitoring data, and if the monitoring data does not exceed a preset threshold, the control module generates normal information, and if the monitoring data exceeds the preset threshold, the control module generates abnormal information; The wireless communication unit module sends the abnormal information to the remote monitoring center of the vehicle manufacturer or the mobile phone terminal of the vehicle owner; The alarm module receives the abnormal information generated by the control module and sends out an alarm signal; The fire extinguishing module receives the abnormal information generated by the control module and extinguishes the battery fire.

Images