CN115970200B - Fire extinguishing agent automatic fire extinguishing control system and method based on storage battery operation detection - Google Patents
Fire extinguishing agent automatic fire extinguishing control system and method based on storage battery operation detection Download PDFInfo
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Abstract
The invention relates to a fire extinguishing agent automatic fire extinguishing control system and a method based on storage battery operation detection, wherein the automatic fire extinguishing control system comprises a battery heat detection unit, a battery heat management unit, a battery pretreatment unit and a thermal runaway fire extinguishing unit, wherein the battery heat management unit is in communication connection with the battery heat detection unit, and receives storage battery real-time data acquired by the battery heat detection unit while sending an operation detection instruction; the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm; if the fire signal appears in the real-time data of the storage battery, the thermal runaway fire extinguishing unit is triggered to spray the fire extinguishing agent to the storage battery protection area, the fire can be extinguished in time, the alarm is given out, the fault information is saved, the thermal information of the battery can be obtained at the first time, the possibility that spontaneous combustion or explosion occurs due to the fault of the battery is reduced, and the running state of the storage battery is conveniently monitored in real time.
Description
Technical Field
The invention relates to a control and regulation method and system, in particular to a fire extinguishing agent automatic fire extinguishing control system and method based on storage battery operation detection.
Background
With the continuous development of new energy automobiles, the electric automobile has great advantages and potential in energy conservation and emission reduction compared with the traditional fuel automobile, and is more and more valued and favored by people. The storage battery is used as an important component of the power of the electric automobile, and the safety performance of the storage battery is related to the driving safety of people in driving.
In the process of charging and discharging the electrolyte in the storage battery, the internal electrode of the battery can generate heat and accumulate in the storage battery, so that the temperature in the storage battery is quickly increased, the storage battery is thermally out of control under the condition of overheating, and the serious phenomenon can lead to shrinkage and melting of an internal diaphragm of the storage battery or decomposition of positive and negative active substances of the storage battery to generate spontaneous combustion or lead to explosion of the storage battery.
Therefore, for the application of the storage battery, the storage battery needs to be operated and detected, and fire extinguishing control can be performed at the first time under the condition that the storage battery is abnormal or in thermal runaway, so that the condition that fire burning or explosion occurs is avoided.
Disclosure of Invention
The invention provides a fire extinguishing agent automatic fire extinguishing control method and a fire extinguishing agent automatic fire extinguishing control system based on storage battery operation detection, which are used for monitoring the state of a storage battery in real time when the storage battery enters an operation state so as to timely find out the thermal runaway state of the storage battery and timely process the thermal runaway state of the storage battery.
In order to achieve the above purpose, the present invention provides the following technical solutions:
in a first aspect, the present invention provides a fire extinguishing agent automatic fire extinguishing control system based on battery operation detection, comprising:
the battery thermal detection unit comprises a battery operation detection module and an environment detection module, and is used for detecting the operation parameters of the inside and the outside of the battery in real time when the battery is operated;
the battery thermal management unit is in communication connection with the battery thermal detection unit and is used for sending an operation detection instruction to the battery thermal detection unit and receiving the acquired real-time data of the storage battery of the battery thermal detection unit;
the battery pretreatment unit is connected with the battery thermal management unit, and when the battery thermal management unit receives the real-time data of the storage battery and judges that the real-time data is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery;
the battery thermal management unit is used for receiving real-time data of the storage battery and triggering the thermal runaway fire extinguishing unit to spray fire extinguishing agent to a storage battery protection area when a fire signal appears;
the thermal runaway fire extinguishing unit comprises a thermal runaway fire extinguishing strategy, and the thermal runaway fire extinguishing strategy comprises the following specific steps:
s1, uniformly acquiring and transmitting monitored operation parameters of the inside and the outside of a storage battery, monitoring battery environment and storage battery operation data, and acquiring flame data of each point and flame height by an environment monitoring module
Smoke data at each point, smoke concentration->
Leak data->
Ambient temperature data->
Oxygen concentration data->
Storage battery operation monitoring data monitor storage battery internal pressure data +.>
Temperature data in battery->
Wherein the subscript ij represents the j position at the i moment, the superscript H represents the ambient temperature mark, and the superscript N represents the temperature mark in the battery;
s2, calculating an environment dangerous value of the storage battery, extracting an environment safe value, wherein the extracted safe value is as follows: flame safety height
Smoke eliminatorFull concentration->
Leak safety data->
Ambient temperature safety data->
Oxygen concentration safety data->
Monitoring the environmental threat degree in all directions of the storage battery, and detecting the environmental threat value of the j position at the moment i>
Calculation is performed (i.e. a->
Wherein->
Is the flame height duty ratio coefficient, +.>
Is the safe concentration duty ratio of smoke, +.>
Is the leakage duty ratio coefficient +.>
Is the ambient temperature duty ratio factor, +.>
Is the oxygen concentration duty ratio coefficient, and the symbol +.>
Representing the absolute value, the symbol ++if the monitored value lies within the corresponding safety value range>
The calculation result in the memory is set to 0,/or->
；
S3, carrying out battery dangerous value on the j position of the storage battery at the moment i
Extracting a battery safety value including a battery internal pressure safety range +.>
Temperature safety range in battery>
Calculating the dangerous value +.>
The total risk value of the j position of the accumulator at the moment i is calculated>
Extracting and marking points exceeding a preset total danger threshold value;
s4, dividing the storage battery area into a plurality of sector areas by taking the position of the thermal runaway fire extinguishing unit as the center of a circle and taking the boundary of the storage battery as the dividing boundary and taking the injection angle of the thermal runaway fire extinguishing unit as the reference angle, calculating the superposition value of the total hazard values in the sector areas, finding out the area with the largest superposition value of the total hazard values, and spraying the fire extinguishing agent on the area by the thermal runaway fire extinguishing unit.
As a further scheme of the invention, the battery operation detection module comprises a battery internal pressure sensor, a temperature sensor and a voltage collector, wherein the battery internal pressure sensor is used for detecting a pressure value in a battery, the temperature sensor is used for detecting a temperature value inside and outside the battery, and the voltage collector is used for collecting a voltage value of the battery.
As a further scheme of the invention, the environment detection module comprises a smoke sensor, an infrared detection sensor, a flame detection sensor, a liquid leakage sensor and an oxygen concentration sensor, wherein the smoke sensor is used for detecting smoke data of a storage battery protection area, the infrared detection sensor is used for detecting infrared detection data of the storage battery protection area, the flame detection sensor is used for detecting flame data of the storage battery protection area, the liquid leakage sensor is used for detecting liquid leakage condition of the storage battery protection area, and the oxygen concentration sensor is used for detecting oxygen concentration data of the storage battery protection area.
As a further scheme of the invention, the battery thermal management unit transmits the detection data of the storage battery with the battery thermal detection unit through the Internet or the Ethernet communication topology of the Ethernet gateway at a speed of hundred megasteps or more.
As a further aspect of the present invention, the battery thermal management unit is connected to the battery pretreatment unit and the thermal runaway extinguishing unit through a CAN-FD (controller area network) bus.
As a further scheme of the invention, the battery thermal management unit comprises a central processing unit, a fault monitoring module, a fault alarm module and a fault emergency processing module, wherein the central processing unit is connected with the battery thermal detection unit, receives real-time data of a storage battery collected in real time, monitors the real-time data of the storage battery based on the connected fault monitoring module, and if the real-time data of the storage battery is abnormal, the fault alarm module is used for giving an alarm, and the fault emergency processing module is used for executing processing operation according to the abnormal real-time data of the storage battery.
As a further scheme of the invention, the battery pretreatment unit comprises a refrigerator, a heat radiation fan, a circulating water pump, an exhaust fan, a safety valve and a protection circuit; when abnormal real-time data of the storage battery reach a first early warning threshold value, starting a refrigerator, a heat radiation fan, a circulating water pump and an exhaust fan to cool a storage battery protection area until the real-time data of the storage battery is in a safe range; when the abnormal real-time data of the storage battery reaches a second early warning threshold value, a safety valve and a protection circuit are started, the protection circuit breaks the discharging circuit of the storage battery, and the safety valve on the storage battery is started to release the pressure in the storage battery.
As a further scheme of the invention, the thermal runaway fire extinguishing unit comprises an automatic door, a fire extinguishing agent spraying pipe network and an explosion-proof box, when abnormal real-time data of the storage battery reaches a total danger threshold value, the automatic door communicated with the outside on the explosion-proof box provided with the storage battery is closed to form a closed space, and the fire extinguishing agent spraying pipe network in the explosion-proof box sprays fire extinguishing agent to a storage battery protection area.
As a further scheme of the invention, the central processing unit is also remotely connected with a vehicle management platform through an interconnection/ethernet gateway platform, and the vehicle management platform is used for receiving the storage battery data and fault information fed back by the battery thermal management unit.
In a second aspect, the present invention also provides a fire extinguishing agent automatic fire extinguishing control method based on battery operation detection, the method comprising:
the battery thermal management unit sends an operation detection instruction to the battery thermal detection unit and receives the acquired real-time data of the storage battery of the battery thermal detection unit;
the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm;
and triggering the thermal runaway fire extinguishing unit to spray the fire extinguishing agent to the protection area of the storage battery if the fire signal appears in the real-time data of the storage battery.
In a third aspect, the present invention provides a computer device, including a memory, a processor, and a computer program running on the processor, where the processor executes the program to implement the steps of the fire extinguishing agent automatic fire extinguishing control method based on the battery running detection.
In a fourth aspect, the present invention also provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the above-described fire extinguishing agent automatic fire extinguishing control method based on battery operation detection.
The technical scheme provided by the invention can comprise the following beneficial effects:
the invention provides a fire extinguishing agent automatic fire extinguishing control system and a method based on storage battery operation detection, wherein an operation detection instruction is sent to a battery heat detection unit based on a battery heat management unit, and collected storage battery real-time data of the battery heat detection unit is received; the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm; and triggering the thermal runaway fire extinguishing unit to spray the fire extinguishing agent to the protection area of the storage battery if the fire signal appears in the real-time data of the storage battery. So that when the data detected by the operation of the storage battery is abnormal, the battery pretreatment unit is started in time to perform cooling treatment or trigger the thermal runaway fire extinguishing unit to spray fire extinguishing agent to the protection area of the storage battery, fire is extinguished in time, alarm reminding is performed, fault information is stored, the battery thermal information can be acquired at the first time, the possibility that the battery is spontaneously ignited or explodes due to the fault is reduced, and the operation state of the storage battery is monitored in real time conveniently.
These and other aspects of the present application will be more readily apparent from the following description of the embodiments. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present application. In the drawings:
fig. 1 is a block diagram of a fire extinguishing agent automatic fire extinguishing control system based on battery operation detection according to an embodiment of the present invention;
fig. 2 is a block diagram of a battery thermal detection unit in a fire extinguishing agent automatic fire extinguishing control system based on battery operation detection according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for controlling the automatic fire extinguishing of a fire extinguishing agent based on the detection of the operation of a storage battery according to an embodiment of the present invention;
fig. 4 is a hardware architecture diagram of a computer device according to some embodiments of the invention.
The implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments.
Detailed Description
The present application will be further described with reference to the drawings and detailed description, which should be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings.
In the related art, since the electrolyte in the storage battery can generate heat at the internal electrode of the battery and accumulate in the storage battery in the process of charging and discharging, the temperature in the storage battery is quickly increased, the storage battery is thermally out of control under the condition of overheating, and the diaphragm in the storage battery is seriously contracted and melted or the positive and negative active materials of the storage battery are decomposed to generate spontaneous combustion, or the storage battery is exploded.
In view of the above, the application provides a fire extinguishing agent automatic fire extinguishing control method and a fire extinguishing agent automatic fire extinguishing control system based on storage battery operation detection, which are used for monitoring the state of a storage battery in real time when the storage battery enters an operation state, so that the thermal runaway state of the storage battery can be timely found and timely processed.
Fig. 1 is a block diagram of a fire extinguishing agent automatic fire extinguishing control system based on battery operation detection according to an embodiment of the present invention, and fig. 2 is a block diagram of a battery heat detection unit in a fire extinguishing agent automatic fire extinguishing control system based on battery operation detection according to an embodiment of the present invention.
In some embodiments of the present invention, referring to fig. 1 and 2, an embodiment of the present invention provides a fire extinguishing agent automatic fire extinguishing control system based on battery operation detection, which includes four main parts of a battery thermal detection unit, a battery thermal management unit, a battery pretreatment unit, and a thermal runaway fire extinguishing unit. The battery thermal management unit is in communication connection with the battery thermal detection unit and is used for sending an operation detection instruction to the battery thermal detection unit and receiving the acquired real-time data of the storage battery of the battery thermal detection unit; the battery pretreatment unit is used for being connected with the battery thermal management unit and triggering the battery pretreatment unit to start running to cool the storage battery when the battery thermal management unit receives the real-time data of the storage battery and judges that the real-time data is abnormal; the thermal runaway fire extinguishing unit is connected with the battery thermal management unit and is used for triggering the thermal runaway fire extinguishing unit to spray fire extinguishing agent to the protection area of the storage battery when the battery thermal management unit receives the real-time data of the storage battery and generates a fire signal;
the thermal runaway fire extinguishing unit comprises a thermal runaway fire extinguishing strategy, and the thermal runaway fire extinguishing strategy comprises the following specific steps:
s1, uniformly acquiring and transmitting monitored operation parameters of the inside and the outside of a storage battery, monitoring battery environment and storage battery operation data, and acquiring flame data of each point and flame height by an environment monitoring module
Smoke data at each point, smoke concentration->
Leak data->
Ambient temperature data->
Oxygen concentration data->
Storage battery operation monitoring data monitor storage battery internal pressure data +.>
Temperature data in battery->
Wherein the subscript ij represents the j position at the i moment, the superscript H represents the ambient temperature mark, and the superscript N represents the temperature mark in the battery;
s2, calculating an environment dangerous value of the storage battery, extracting an environment safe value, wherein the extracted safe value is as follows: flame safety height
Smoke safety concentration->
Leak safety data->
Ambient temperature safety data->
Safety data of oxygen concentration
Monitoring the environmental threat degree in all directions of the storage battery, and detecting the environmental threat value of the j position at the moment i>
Calculation is performed (i.e. a->
Wherein->
Is the flame height duty ratio coefficient, +.>
Is the safe concentration duty ratio of smoke, +.>
Is the leakage duty ratio coefficient +.>
Is the ambient temperature duty ratio factor, +.>
Is the oxygen concentration duty ratio coefficient, and the symbol +.>
Representing the absolute value, the symbol ++if the monitored value lies within the corresponding safety value range>
The calculation result in the memory is set to 0,/or->
；
S3, carrying out battery dangerous value on the j position of the storage battery at the moment i
Extracting a battery safety value including a battery internal pressure safety range +.>
Temperature safety range in battery>
Calculating the dangerous value +.>
The total risk value of the j position of the accumulator at the moment i is calculated>
For more than a preset totalExtracting and marking the points of the dangerous threshold value;
s4, dividing the storage battery area into a plurality of sector areas by taking the position of the thermal runaway fire extinguishing unit as the center of a circle and taking the boundary of the storage battery as the dividing boundary and taking the injection angle of the thermal runaway fire extinguishing unit as the reference angle, calculating the superposition value of the total hazard values in the sector areas, finding out the area with the largest superposition value of the total hazard values, and spraying the fire extinguishing agent on the area by the thermal runaway fire extinguishing unit.
In some embodiments of the present invention, the battery thermal management unit communicates with the battery thermal detection unit through the internet or ethernet of the ethernet gateway, and transmits the detection data of the storage battery at a speed of hundred megasteps or more; the battery thermal management unit is connected with the battery pretreatment unit and the thermal runaway extinguishing unit through a CAN-FD (controller area network) bus.
Compared with the traditional electronic control transmission of can buses, lin buses and the like, the can gateway is upgraded to the Ethernet gateway in the embodiment, so that a link for vehicle internal and external communication is conveniently opened, and the traditional can bus transmission rate of 0.5-1mbps (megabits per second) or lin bus transmission rate of 20kbps (kilobits per second) can be improved to the data transmission speed of hundred megabits or giga level.
In this embodiment, referring to fig. 1 and 2, the battery thermal detection unit includes a battery operation detection module and an environment detection module for detecting operation parameters inside and outside the battery in real time when the battery is operated, respectively.
The storage battery operation detection module comprises a battery internal pressure sensor, a temperature sensor and a voltage collector, wherein the battery internal pressure sensor is used for detecting a pressure value in the storage battery, the temperature sensor is used for detecting a temperature value inside and outside the storage battery, and the voltage collector is used for collecting a voltage value of the storage battery.
The environment detection module comprises a smoke sensor, an infrared detection sensor, a flame detection sensor, a liquid leakage sensor and an oxygen concentration sensor, wherein the smoke sensor is used for detecting smoke data of a storage battery protection area, the infrared detection sensor is used for detecting infrared detection data of the storage battery protection area, the flame detection sensor is used for detecting flame data of the storage battery protection area, the liquid leakage sensor is used for detecting liquid leakage condition of the storage battery protection area, and the oxygen concentration sensor is used for detecting oxygen concentration data of the storage battery protection area.
In some embodiments of the present invention, the environment detection module further includes a camera disposed in the battery protection area, and images of the battery running state are captured in real time by the camera, and image features in the battery running state are identified and extracted based on AI image identification, so that when the battery running state images are abnormal, an abnormal image is transmitted to the monitoring end in time, so that a driver or a battery manager at a remote end can find out in time.
In the embodiment of the invention, the battery thermal management unit comprises a central processing unit, a fault monitoring module, a fault alarm module and a fault emergency processing module, wherein the central processing unit is connected with the battery thermal detection unit and used for receiving real-time data of a storage battery collected in real time, the monitoring of the real-time data of the storage battery is carried out based on the connected fault monitoring module, if the real-time data of the storage battery is abnormal, the fault alarm module is used for giving an alarm, and the fault emergency processing module is used for executing processing operation according to the abnormal real-time data of the storage battery.
In this embodiment, the battery pretreatment unit includes a refrigerator, a heat dissipation fan, a circulating water pump, an exhaust fan, a safety valve, and a protection circuit; when the abnormal real-time data of the storage battery reaches a first early warning threshold value, starting a refrigerator, a heat radiation fan, a circulating water pump and an exhaust fan to cool a storage battery protection area until the real-time data of the storage battery is in a safe range; when the abnormal real-time data of the storage battery reaches a second early warning threshold value, a safety valve and a protection circuit are started, the protection circuit cuts off a discharging circuit of the storage battery, and the safety valve on the storage battery starts to release the pressure in the storage battery.
In this embodiment, the thermal runaway fire extinguishing unit includes automatically-controlled door, fire extinguishing agent injection pipe network and explosion proof case, and when unusual battery real-time data reached total dangerous threshold value, the automatically-controlled door that communicates with the external world on the explosion proof case of installation battery closed and forms airtight space, and fire extinguishing agent injection pipe network sprays fire extinguishing agent to battery protection area in the explosion proof case.
Preferably, the central processing unit is further connected to a vehicle management platform remotely through an interconnection/ethernet gateway platform, and the vehicle management platform is used for receiving the storage battery data and fault information fed back by the battery thermal management unit.
According to the fire extinguishing agent automatic fire extinguishing control system based on the battery operation detection, when the fire extinguishing agent automatic fire extinguishing control system works, the battery operation detection module and the environment detection module of the battery thermal detection unit synchronously detect internal and external operation parameters of the battery during operation, wherein a battery internal pressure sensor, a battery temperature sensor and a battery voltage collector are used for respectively collecting internal pressure values, internal and external temperature values and voltage values of the battery during operation; and detecting smoke data, infrared data, flame data, oxygen concentration data and whether leakage occurs in an external protection area of the storage battery by using a smoke sensor, an infrared detection sensor, a flame detection sensor, a leakage sensor and an oxygen concentration sensor. And the numerical value or the data are transmitted to a central processing unit of the battery thermal management unit, the central processing unit compares the received storage battery data with a pre-stored storage battery safety performance index by utilizing a fault monitoring module, whether the storage battery real-time data are abnormal or not is judged, when the abnormal storage battery real-time data reach a first early warning threshold value, a refrigerator, a heat dissipation fan, a circulating water pump and an exhaust fan of the battery pretreatment unit are started to work and cool down, for example, the storage battery is a lithium battery, when the external temperature of the storage battery reaches 55 ℃, at the moment, the 55 ℃ is used as the first early warning threshold value, the battery pretreatment unit is started to work, the refrigerator, the heat dissipation fan, the circulating water pump and the exhaust fan are started to work and cool down, the external environment temperature of the lithium ion battery is reduced, and the cooling to the inside and the outside of the lithium ion battery is increased.
When the abnormal real-time data of the storage battery reaches a second early warning threshold value, a safety valve and a protection circuit are started, the protection circuit cuts off a discharging circuit of the storage battery, and the safety valve on the storage battery starts to release the pressure in the storage battery. The storage battery is a lithium battery, when the external temperature of the storage battery reaches 75 ℃, at this time, the 75 ℃ is used as a second early warning threshold value, the battery pretreatment unit works, the safety valve and the protection circuit are started on the basis of the working and cooling of the refrigerator, the heat dissipation fan, the circulating water pump and the exhaust fan, the discharge circuit of the storage battery is disconnected by the protection circuit, the safety valve on the storage battery starts to release the pressure in the storage battery, so that the lithium ion battery stops discharging and generating heat, the pressure in the storage battery is released, explosion of the storage battery is prevented, the temperature of the internal and external parts of the lithium ion battery is increased through the reduction of the external environment temperature, and the lithium ion battery is restored to the normal temperature state.
When the abnormal real-time data of the storage battery reaches the total dangerous threshold value, an automatic door communicated with the outside on an explosion-proof box of the storage battery is closed to form a closed space, and a fire extinguishing agent spraying pipe network in the explosion-proof box sprays fire extinguishing agent to a storage battery protection area. For example, the storage battery is a lithium battery, when the external temperature reaches 100 ℃, smoke data, flame data and leakage data are detected, or oxygen concentration data are lower than preset data, at this time, the 100 ℃, the smoke data, the flame data and the leakage data, or the oxygen concentration data can be used as a total dangerous threshold, the thermal runaway fire extinguishing unit works, and the fire extinguishing agent injection pipe network in the explosion-proof box injects fire extinguishing agent to a storage battery protection area to prevent the storage battery from igniting and burning.
It should be noted that although in the above detailed description several modules or modules of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or modules described above may be embodied in one module or module in accordance with embodiments of the present invention. Conversely, the features and functions of one module or module described above may be further divided into a plurality of modules or modules to be embodied.
Referring to fig. 3, some embodiments of the present invention further provide a fire extinguishing agent automatic fire extinguishing control method based on battery operation detection, the method including steps S10 to S30:
step S10, the battery thermal management unit sends an operation detection instruction to the battery thermal detection unit and receives the acquired real-time data of the storage battery of the battery thermal detection unit;
step S20, the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm;
and step S30, triggering the thermal runaway fire extinguishing unit to spray the fire extinguishing agent to the protection area of the storage battery if the fire signal appears in the storage battery real-time data.
In the embodiment, when the fire extinguishing agent automatic fire extinguishing control system based on the operation detection of the storage battery executes the automatic fire extinguishing control method, an operation detection instruction is sent to the battery thermal detection unit based on the battery thermal management unit, and the acquired storage battery real-time data of the battery thermal detection unit is received; the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm; and triggering the thermal runaway fire extinguishing unit to spray the fire extinguishing agent to the protection area of the storage battery if the fire signal appears in the real-time data of the storage battery. So that when the data detected by the operation of the storage battery is abnormal, the battery pretreatment unit is started in time to perform cooling treatment or trigger the thermal runaway fire extinguishing unit to spray fire extinguishing agent to the protection area of the storage battery, fire is extinguished in time, alarm reminding is performed, fault information is stored, the battery thermal information can be acquired at the first time, the possibility that the battery is spontaneously ignited or explodes due to the fault is reduced, and the operation state of the storage battery is monitored in real time conveniently.
It should be understood that although described in a certain order, the steps are not necessarily performed sequentially in the order described. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, some steps of the present embodiment may include a plurality of steps or stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily sequential, but may be performed alternately or alternately with at least a part of the steps or stages in other steps or other steps.
It is noted that the above-described figures are only schematic illustrations of processes involved in a method according to an exemplary embodiment of the invention, and are not intended to be limiting. It will be readily appreciated that the processes shown in the above figures do not indicate or limit the temporal order of these processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, for example, among a plurality of modules.
The present embodiment further provides a computer device, as shown in fig. 4, where the computer device includes a plurality of computer devices 1000, and in an embodiment, components of the fire extinguishing agent automatic fire extinguishing control system based on the battery operation detection may be dispersed in different computer devices 1000, and the computer device 1000 may be a smart phone, a tablet computer, a notebook computer, a desktop computer, a rack-mounted server, a blade server, a tower server, or a cabinet server (including a separate server, or a server cluster formed by a plurality of servers) that execute a program, and so on. The computer device 1000 of the present embodiment includes at least, but is not limited to: a memory 1001 and a processor 1002 may be communicatively connected to each other through a system bus. It is noted that fig. 4 only shows a computer device 1000 having a component memory 1001 and a processor 1002, but it is understood that not all of the illustrated components are required to be implemented, and that more or fewer components may alternatively be implemented.
In this embodiment, the memory 1001 (i.e., readable storage medium) includes a flash memory, a hard disk, a multimedia card, a card memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. In some embodiments, the memory 1001 may be an internal storage module of the computer device 1000, such as a hard disk or a memory of the computer device 1000. In other embodiments, the memory 1001 may also be an external storage device of the computer device 1000, such as a plug-in hard disk, a Smart Media Card (SMC), a secure Digital (S-battery thermal management unit re Digital, SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the computer device 1000. Of course, the memory 1001 may also include both internal memory modules of the computer device 1000 and external memory devices. In this embodiment, the memory 1001 is generally used to store an operating system installed in a computer device and various application software, such as the fire extinguishing agent automatic fire extinguishing control system based on the battery operation detection of the embodiment, and the like. In addition, the memory 1001 can also be used to temporarily store various types of data that have been output or are to be output.
The processor 1002 may be a central processing unit (Central Processing Unit, CPU), controller, microcontroller, microprocessor, or other data processing chip in some embodiments. The processor 1002 is typically employed to control the overall operation of the computer device 1000. In this embodiment, a processor 1002 is used to execute program code or process data stored in a memory 1001. The processor 1002 of the plurality of computer devices 1000 of the computer device of the present embodiment, when collectively executing the computer program, implements the fire extinguishing agent automatic fire extinguishing control method based on the battery operation detection of the embodiment, the method includes:
the battery thermal management unit sends an operation detection instruction to the battery thermal detection unit and receives the acquired real-time data of the storage battery of the battery thermal detection unit;
the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm;
and triggering the thermal runaway fire extinguishing unit to spray the fire extinguishing agent to the protection area of the storage battery if the fire signal appears in the real-time data of the storage battery.
From the above description of embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus a general purpose hardware platform, or may be implemented by hardware. Those skilled in the art will appreciate that all or part of the processes implementing the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, and the program may be stored in a computer-compatible storage medium, and the program may include processes of the embodiments of the methods as above when executed.
Embodiments of the present application also provide a computer readable storage medium, such as a flash memory, a hard disk, a multimedia card, a card memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, a server, an App application store, etc., having stored thereon a computer program that when executed by a processor performs the corresponding functions. The computer readable storage medium of the present embodiment stores the fire extinguishing agent automatic fire extinguishing control system based on battery operation detection of the embodiment, and when executed by a processor, implements the fire extinguishing agent automatic fire extinguishing control method based on battery operation detection of the embodiment, the method comprising:
the battery thermal management unit sends an operation detection instruction to the battery thermal detection unit and receives the acquired real-time data of the storage battery of the battery thermal detection unit;
the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm;
and triggering the thermal runaway fire extinguishing unit to spray the fire extinguishing agent to the protection area of the storage battery if the fire signal appears in the real-time data of the storage battery.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment.
A storage medium: any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk or tape systems; computer system memory or random access memory, such as DRAM, DDRRAM, SRAM, EDORAM, rambus (Rambus) RAM, etc.; nonvolatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in a first computer system in which the program is executed, or may be located in a second, different computer system connected to the first computer system through a network such as the internet. The second computer system may provide program instructions to the first computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations (e.g., in different computer systems connected by a network). The storage medium may store program instructions (e.g., embodied as a computer program) executable by one or more processors.
Of course, the storage medium containing the computer executable instructions provided by the embodiment of the invention is not limited to the fire extinguishing agent automatic fire extinguishing control operation based on the battery operation detection, and the related operations in the fire extinguishing agent automatic fire extinguishing control method based on the battery operation detection provided by any embodiment of the application can be performed.
The embodiment of the invention provides a fire extinguishing agent automatic fire extinguishing control system and a method based on storage battery operation detection, wherein an operation detection instruction is sent to a battery heat detection unit based on a battery heat management unit, and real-time data of a storage battery collected by the battery heat detection unit is received; the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm; and triggering the thermal runaway fire extinguishing unit to spray the fire extinguishing agent to the protection area of the storage battery if the fire signal appears in the real-time data of the storage battery. So that when the data detected by the operation of the storage battery is abnormal, the battery pretreatment unit is started in time to perform cooling treatment or trigger the thermal runaway fire extinguishing unit to spray fire extinguishing agent to the protection area of the storage battery, fire is extinguished in time, alarm reminding is performed, fault information is stored, the battery thermal information can be acquired at the first time, the possibility that the battery is spontaneously ignited or explodes due to the fault is reduced, and the operation state of the storage battery is monitored in real time conveniently.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.
Claims (8)
1. Fire extinguishing agent automatic fire extinguishing control system based on battery operation detects, characterized by comprising:
the battery thermal detection unit comprises a battery operation detection module and an environment detection module, and is used for detecting the operation parameters of the inside and the outside of the battery in real time when the battery is operated;
the battery thermal management unit is in communication connection with the battery thermal detection unit and is used for sending an operation detection instruction to the battery thermal detection unit and receiving the acquired real-time data of the storage battery of the battery thermal detection unit;
the battery pretreatment unit is connected with the battery thermal management unit, and when the battery thermal management unit receives the real-time data of the storage battery and judges that the real-time data is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery; the battery pretreatment unit comprises a refrigerator, a heat radiation fan, a circulating water pump, an exhaust fan, a safety valve and a protection circuit; when abnormal real-time data of the storage battery reach a first early warning threshold value, starting a refrigerator, a heat radiation fan, a circulating water pump and an exhaust fan to cool a storage battery protection area until the real-time data of the storage battery is in a safe range; when abnormal real-time data of the storage battery reach a second early warning threshold value, starting a safety valve and a protection circuit, wherein the protection circuit cuts off a discharging circuit of the storage battery, and the safety valve on the storage battery starts to release the pressure in the storage battery;
the battery thermal management unit is used for receiving real-time data of the storage battery and triggering the thermal runaway fire extinguishing unit to spray fire extinguishing agent to a storage battery protection area when a fire signal appears;
the thermal runaway fire extinguishing unit comprises an automatic door, a fire extinguishing agent spraying pipe network and an explosion-proof box, when abnormal real-time data of the storage battery reach a total danger threshold value, the automatic door communicated with the outside on the explosion-proof box provided with the storage battery is closed to form a closed space, and the fire extinguishing agent spraying pipe network in the explosion-proof box sprays fire extinguishing agent to a storage battery protection area;
the thermal runaway fire extinguishing unit comprises a thermal runaway fire extinguishing strategy, and the thermal runaway fire extinguishing strategy comprises the following specific steps:
s1, uniformly acquiring and transmitting monitored operation parameters of the inside and the outside of a storage battery, monitoring battery environment and storage battery operation data, and acquiring flame data of each point and flame height by an environment monitoring module
Smoke data at each point, smoke concentration->
Leak data->
Ambient temperature data->
Oxygen concentration data->
Storage battery operation monitoring data monitor storage battery internal pressure data +.>
Temperature data in battery->
Wherein the subscript ij represents the j position at the i moment, the superscript H represents the ambient temperature mark, and the superscript N represents the temperature mark in the battery;
s2, calculating an environment dangerous value of the storage battery, extracting an environment safe value, wherein the extracted safe value is as follows: flame safety height
Smoke safety concentration->
Leak safety data->
Ambient temperature safety data->
Oxygen concentration safety data->
Monitoring the environmental threat degree in all directions of the storage battery, and detecting the environmental threat value of the j position at the moment i>
The calculation is performed such that,
wherein->
Is the flame height duty ratio coefficient, +.>
Is the safe concentration duty ratio of smoke, +.>
Is the leakage duty ratio coefficient +.>
Is the ambient temperature duty ratio factor, +.>
Is the oxygen concentration duty ratio coefficient, and the symbol +.>
Representing the absolute value, the symbol ++if the monitored value lies within the corresponding safety value range>
The result of the calculation in the memory is set to 0,
；
s3, carrying out battery dangerous value on the j position of the storage battery at the moment i
Extracting a battery safety value including a battery internal pressure safety range +.>
Temperature safety range in battery>
Calculating the dangerous value +.>
The total risk value of the j position of the accumulator at the moment i is calculated>
Extracting and marking points exceeding a preset total danger threshold value;
s4, dividing the storage battery area into a plurality of sector areas by taking the position of the thermal runaway fire extinguishing unit as the center of a circle and taking the boundary of the storage battery as the dividing boundary and taking the injection angle of the thermal runaway fire extinguishing unit as the reference angle, calculating the superposition value of the total hazard values in the sector areas, finding out the area with the largest superposition value of the total hazard values, and spraying the fire extinguishing agent on the area by the thermal runaway fire extinguishing unit.
2. The fire extinguishing agent automatic fire extinguishing control system based on battery operation detection according to claim 1, wherein the battery operation detection module comprises a battery internal pressure sensor for detecting a pressure value in a battery, a temperature sensor for detecting a temperature value inside and outside the battery, and a voltage collector for collecting a voltage value of the battery.
3. The automatic fire extinguishing agent control system based on battery operation detection of claim 2, wherein the environment detection module comprises a smoke sensor for detecting smoke data of a battery protection area, an infrared detection sensor for detecting infrared detection data of the battery protection area, a flame detection sensor for detecting flame data of the battery protection area, a liquid leakage sensor for detecting liquid leakage condition of the battery protection area, and an oxygen concentration sensor for detecting oxygen concentration data of the battery protection area.
4. The fire extinguishing agent automatic fire extinguishing control system based on the operation detection of the storage battery according to claim 1, wherein the battery thermal management unit transmits the detection data of the storage battery with the battery thermal detection unit through the internet or the ethernet communication topology of the ethernet gateway.
5. The fire extinguishing agent automatic fire extinguishing control system based on the battery operation detection according to claim 4, wherein the battery thermal management unit is connected with the battery pretreatment unit and the thermal runaway fire extinguishing unit through a CAN-FD bus.
6. The fire extinguishing agent automatic fire extinguishing control system based on storage battery operation detection according to claim 1, wherein the battery thermal management unit comprises a central processing unit, a fault monitoring module, a fault alarm module and a fault emergency processing module, the central processing unit is connected with the battery thermal detection unit, receives real-time storage battery data collected in real time, monitors the real-time storage battery data based on the connected fault monitoring module, and if the real-time storage battery data are abnormal, the fault alarm module is used for giving an alarm, and the fault emergency processing module is used for executing processing operation according to the abnormal real-time storage battery data.
7. The fire extinguishing agent automatic fire extinguishing control system based on battery operation detection of claim 6, wherein the central processor is further remotely connected to a vehicle management platform through an interconnection/ethernet gateway platform, the vehicle management platform being configured to receive battery data and fault information fed back by the battery thermal management unit.
8. A fire extinguishing agent automatic fire extinguishing control method based on battery operation detection, characterized in that the method is performed based on the fire extinguishing agent automatic fire extinguishing control system based on battery operation detection as claimed in any one of claims 1 to 7, the method comprising:
the battery thermal management unit sends an operation detection instruction to the battery thermal detection unit and receives the acquired real-time data of the storage battery of the battery thermal detection unit;
the battery thermal management unit monitors the received real-time data of the storage battery, and if the real-time data of the storage battery is abnormal, the battery pretreatment unit is triggered to start operation to cool the storage battery and give an alarm;
and triggering the thermal runaway fire extinguishing unit to spray the fire extinguishing agent to the protection area of the storage battery if the fire signal appears in the real-time data of the storage battery.
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| CN117582630B (en) * | 2023-11-23 | 2024-09-10 | 南方电网调峰调频发电有限公司检修试验分公司 | Storage battery chamber safety monitoring system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904992A (en) * | 2016-06-07 | 2016-08-31 | 烟台创为新能源科技有限公司 | Electric vehicle battery monitoring and management system and monitoring method of batteries |
| CN106066457A (en) * | 2016-05-25 | 2016-11-02 | 烟台创为新能源科技有限公司 | A kind of battery thermal runaway detecting system and detection method thereof |
| CN109786872A (en) * | 2019-03-18 | 2019-05-21 | 北京航空航天大学 | A kind of lithium ion battery thermal runaway early warning system and method |
| CN110690513A (en) * | 2019-10-12 | 2020-01-14 | 北京精密机电控制设备研究所 | Battery thermal runaway state detection control device and method |
| CN110838609A (en) * | 2018-08-15 | 2020-02-25 | 上海汽车集团股份有限公司 | Power battery thermal runaway protection method, device and system |
| CN115228029A (en) * | 2022-06-15 | 2022-10-25 | 中国科学技术大学 | Multi-stage early warning and fire extinguishing method for lithium ion battery cabinet fire |
-
2023
- 2023-03-17 CN CN202310260155.8A patent/CN115970200B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066457A (en) * | 2016-05-25 | 2016-11-02 | 烟台创为新能源科技有限公司 | A kind of battery thermal runaway detecting system and detection method thereof |
| CN105904992A (en) * | 2016-06-07 | 2016-08-31 | 烟台创为新能源科技有限公司 | Electric vehicle battery monitoring and management system and monitoring method of batteries |
| CN110838609A (en) * | 2018-08-15 | 2020-02-25 | 上海汽车集团股份有限公司 | Power battery thermal runaway protection method, device and system |
| CN109786872A (en) * | 2019-03-18 | 2019-05-21 | 北京航空航天大学 | A kind of lithium ion battery thermal runaway early warning system and method |
| CN110690513A (en) * | 2019-10-12 | 2020-01-14 | 北京精密机电控制设备研究所 | Battery thermal runaway state detection control device and method |
| CN115228029A (en) * | 2022-06-15 | 2022-10-25 | 中国科学技术大学 | Multi-stage early warning and fire extinguishing method for lithium ion battery cabinet fire |
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