CN217908676U - Electrochemistry energy storage cabin fire suppression system - Google Patents
Electrochemistry energy storage cabin fire suppression system Download PDFInfo
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- CN217908676U CN217908676U CN202222065618.9U CN202222065618U CN217908676U CN 217908676 U CN217908676 U CN 217908676U CN 202222065618 U CN202222065618 U CN 202222065618U CN 217908676 U CN217908676 U CN 217908676U
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Abstract
The utility model provides an electrochemistry energy storage cabin conflagration suppression system belongs to lithium cell energy storage technical field. The method comprises the following steps: fire extinguishing apparatus, fire alarm control device, a plurality of fire detection device and a plurality of first shower nozzle, a plurality of fire detection device one-to-ones are installed on a plurality of battery clusters, a plurality of fire detection device all are connected with fire alarm control device, fire extinguishing apparatus is connected with fire alarm control device, fire extinguishing apparatus includes the rack, the fire extinguishing agent case has set firmly in the rack inner chamber, a plurality of first shower nozzle one-to-ones are installed on a plurality of battery clusters, a plurality of first shower nozzles all are connected to fire extinguishing apparatus through the pipe network, fire alarm control device is used for detecting the environmental index that corresponds around the battery cluster at fire detection device and exceeds standard, the control corresponds the first shower nozzle on the battery cluster and sprays fire extinguishing agent, can detect the lithium cell emergence thermal runaway in the electrochemistry energy storage cabin in the early stage, in time put out a fire to the lithium cell that the electrochemistry energy storage cabin takes place thermal runaway and handle.
Description
Technical Field
The utility model relates to a lithium cell energy storage technical field especially relates to an electrochemistry energy storage cabin conflagration suppression system.
Background
With the application of new energy, the construction of energy storage power stations and related energy storage equipment has increased substantially. Among them, the electrochemical energy storage system using a lithium battery is most widely used. The battery cluster composed of a plurality of lithium batteries is arranged in the electrochemical energy storage cabin, the lithium batteries have higher energy density and longer service life, but the thermal runaway of the batteries can easily occur in the cyclic charging process, so that the whole energy storage cabin and an energy storage power station are seriously damaged.
The key element of the fire safety of the electrochemical energy storage cabin provided with the battery cluster is to discover the thermal runaway of the battery at early stage and adopt corresponding measures to inhibit the thermal runaway expansion of the battery system. The thermal runaway refers to the phenomena of overheating, ignition and explosion of the battery, wherein the battery is subjected to rapid change of self temperature rise rate due to the exothermic chain reaction of the single storage battery; thermal runaway expansion refers to the phenomenon that a single storage battery or a single storage battery unit in a storage battery pack or a system is thermally runaway and triggers thermal runaway of adjacent or other storage batteries in the storage battery system.
The traditional fire alarm and fire extinguishing products are applied to the electrochemical energy storage cabin with the battery cluster for fire safety protection in the industry, the battery thermal runaway is found to be untimely by the mode, the fire can be found after the battery thermal runaway spreads, the fire extinguishing device is started to extinguish the fire passively by adopting the mode of extinguishing the traditional fire, the opportunity of early controlling the fire is missed, and the fire extinguishing effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides an electrochemistry energy storage cabin conflagration suppression system can detect the lithium cell in the electrochemistry energy storage cabin in early stage and take place the thermal runaway to when detecting the lithium cell and taking place the thermal runaway, in time take place the lithium cell of thermal runaway to electrochemistry energy storage cabin and put out a fire and handle.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
an electrochemical energy storage compartment fire suppression system is provided, comprising: fire extinguishing apparatus, fire alarm control device, a plurality of fire detection device and a plurality of first shower nozzle, a plurality of fire detection device one-to-ones are installed on a plurality of battery cluster, fire detection device is hydrogen, carbon monoxide, the temperature, smog, and the gaseous compound detector of VOC, a plurality of fire detection device all are connected with fire alarm control device, fire extinguishing apparatus is connected with fire alarm control device, fire extinguishing apparatus includes the rack, the fire extinguishing agent case has set firmly in the rack inner chamber, a plurality of first shower nozzle one-to-ones are installed on a plurality of battery clusters, a plurality of first shower nozzles all are connected to fire extinguishing apparatus through the pipe network, fire alarm control device is used for detecting the environmental index that corresponds around the battery cluster at fire detection device and exceeds standard, the first shower nozzle that the control corresponds the battery cluster sprays fire extinguishing agent.
Furthermore, a water inlet pipe is arranged below the fire extinguishing agent box, the water inlet pipe comprises two inlet ends and an outlet end, switch valves are arranged on the two inlet ends of the water inlet pipe, one inlet end of the water inlet pipe is communicated with the fire extinguishing agent box, the other inlet end of the water inlet pipe is communicated with an external water source, a motor pump set is arranged in the cabinet, and the outlet end of the water inlet pipe is connected with a pipe network through the motor pump set.
Furthermore, a plurality of second nozzles are arranged at the top of the electrochemical energy storage cabin, the second nozzles are connected with the outlet end of the motor pump group through a pipe network, an electromagnetic valve group is installed in the electrochemical energy storage cabin and comprises a plurality of first electromagnetic valves and a plurality of second electromagnetic valves, the first electromagnetic valves are arranged on the first nozzles and used for controlling the circulation of liquid in the first nozzles, the second electromagnetic valves are arranged on the second nozzles and used for controlling the circulation of liquid in the second nozzles, and the fire alarm control device is used for controlling the opening of the second electromagnetic valves 7 to enable the second nozzles to spray water mist into the electrochemical energy storage cabin when receiving hydrogen concentration values, carbon monoxide concentration values, smoke concentration values, temperature values and VOC gas concentration values detected by any two different fire detection devices and temperature is higher than 80 ℃ or temperature rise is higher than 3 ℃ per second.
Furthermore, the top of a plurality of battery clusters is all installed and is shunted the row, and the one end that shunts the row is connected with first solenoid valve, and the other end passes through the hose to be connected with a plurality of first shower nozzles, and the reposition of redundant personnel is arranged in being used for shunting fire extinguishing agent to a plurality of first shower nozzles.
Furthermore, install audible-visual annunciator on the electrochemistry energy storage cabin, audible-visual annunciator is connected with fire alarm control device electricity, and fire alarm control device is used for when the index that fire detection device detected arbitrary numerical value in the concentration numerical value of hydrogen, the concentration numerical value of carbon monoxide, the concentration numerical value of smog, temperature numerical value and VOC gas concentration numerical value exceeds standard, controls audible-visual annunciator and sends out the police dispatch newspaper.
Further, an air discharge indicator lamp and a smoke exhaust fan are further installed on the electrochemical energy storage cabin, the air discharge indicator lamp and the smoke exhaust fan are both electrically connected with a fire alarm control device, and the fire alarm control device is used for controlling the air discharge indicator lamp to be turned on and the smoke exhaust fan to be turned off when the fire extinguishing agent is sprayed.
Furthermore, an emergency starting button and an emergency stopping button are further arranged on the electrochemical energy storage cabin, the emergency starting button and the emergency stopping button are both electrically connected with the fire alarm control device, the fire alarm control device controls the audible and visual alarm to give an alarm and controls the second electromagnetic valves to be completely opened in a delayed mode when the emergency starting button is pressed down, and the emergency stopping button is used for stopping an emergency starting program before the fire extinguishing device is started.
Furthermore, the fire extinguishing device controls the motor-pump set to be started intermittently, so that the first spray head carries out intermittent circulating point spraying fire extinguishing.
The embodiment of the application provides an electrochemistry energy storage cabin fire suppression system, includes: fire extinguishing apparatus, fire alarm control device, a plurality of fire detection device and a plurality of first shower nozzle, a plurality of fire detection device one-to-ones are installed on a plurality of battery cluster, fire detection device is hydrogen, carbon monoxide, the temperature, smog, and the gaseous compound detector of VOC, a plurality of fire detection device all are connected with fire alarm control device, fire extinguishing apparatus is connected with fire alarm control device, fire extinguishing apparatus includes the rack, the fire extinguishing agent case has set firmly in the rack inner chamber, a plurality of first shower nozzle one-to-ones are installed on a plurality of battery clusters, a plurality of first shower nozzles all are connected to fire extinguishing apparatus through the pipe network, fire alarm control device is used for detecting the environmental index that corresponds around the battery cluster at fire detection device and exceeds standard, the first shower nozzle that control corresponds the battery cluster sprays the fire extinguishing agent.
The utility model has the advantages that:
1. the fire detection device can control the audible and visual alarm to start when the index of the concentration value of hydrogen or the concentration value of carbon monoxide in the electrochemical energy storage cabin exceeds the standard in the early stage of thermal runaway of the battery.
2. All install fire detection device on every battery cluster, fire alarm control device receives the signal that fire detection device detected to judge it, find the battery cluster that takes place the conflagration, spray extinguishing agent to the battery cluster that takes place the conflagration and put out a fire and handle, solved the problem of the accurate location of electrochemistry energy storage under-deck source of a fire.
3. When the extinguishing agent is sprayed, a continuous point spraying mode is adopted, the re-combustion problem of the electrochemical energy storage cabin is effectively solved, and the purpose of continuously reducing the temperature and inhibiting the fire is achieved.
4. When the battery cluster breaks out the conflagration, the fire extinguishing agent is sprayed through first shower nozzle to release the fire extinguishing agent inside the battery cluster that breaks out the conflagration, the inside conflagration of effectual solution battery cluster.
5. When the fire extinguishing agent is used up or the fire in the electrochemical energy storage cabin is too large, the switch valve connected with an external water source can be manually opened, and the second spray head sprays water mist to extinguish fire.
Drawings
Fig. 1 is a schematic view of the overall structure of the interior of the electrochemical energy storage compartment according to the present application.
Fig. 2 is a schematic view of a part a of an electrochemical energy storage compartment according to the present application.
Fig. 3 is a schematic view of the overall structure of a single cell cluster according to the present application.
Fig. 4 is a schematic view of the internal structure of the fire extinguishing apparatus of the present application.
Fig. 5 is a partially enlarged structural schematic view of a part B of the fire extinguishing apparatus of the present application.
Fig. 6 is a schematic diagram of the electrical connections of the electrochemical energy storage compartment of the present application.
Wherein, 1, a fire extinguishing device; 2. a fire alarm control device; 3. a fire detection device; 4. a first solenoid valve; 5. a first nozzle; 6. a second nozzle; 7. a second solenoid valve; 8. pipe network; 9. distributing and discharging; 10. a motor-pump set; 11. a fire extinguishing agent tank; 12. a water inlet pipe; 13. and (4) switching on and off the valve.
Detailed Description
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
The embodiment of the application discloses electrochemical energy storage cabin fire suppression system, refer to fig. 1 and fig. 2, include: extinguishing device 1, fire alarm control device 2, a plurality of fire detection device 3 and a plurality of first shower nozzle 5, a plurality of fire detection device 3 one-to-ones are installed on a plurality of battery clusters, fire detection device 3 is hydrogen, carbon monoxide, the temperature, smog, and the gaseous composite detector of VOC, a plurality of fire detection device 3 all are connected with fire alarm control device 2, extinguishing device 1 is connected with fire alarm control device 2, extinguishing device 1 includes the rack, fire extinguishing agent case 11 has set firmly in the rack inner chamber, a plurality of first shower nozzles 5 one-to-ones are installed on a plurality of battery clusters, a plurality of first shower nozzles 5 all are connected to extinguishing device 1 through pipe network 8, fire alarm control device 2 is used for detecting that the environmental index around the corresponding battery cluster exceeds standard at fire detection device 3, control corresponds first shower nozzle 5 on the battery cluster and sprays fire extinguishing agent.
Wherein, hydrogen, carbon monoxide, the temperature, smog, and the gaseous compound detector of VOC, can detect the concentration of hydrogen, the concentration of carbon monoxide, the concentration of smog, temperature numerical value and the gaseous concentration of VOC, when calamity detection device 3 detects the concentration numerical value of hydrogen in the battery cluster, the concentration numerical value of carbon monoxide, the concentration numerical value of smog, the index of temperature numerical value and VOC gas concentration exceeds standard, fire alarm controlling means 2 receives the signal that fire detection device 3 detected and carries out the analysis to it, judge the battery cluster that the index exceeds standard, the first shower nozzle 5 on the battery cluster that the control index exceeds standard sprays extinguishing agent and carries out the processing of putting out a fire, realized the accurate location to the ignition source in the electrochemistry energy storage cabin, in time put out a fire to the battery cluster that takes place the conflagration.
Referring to fig. 4 and 5, in this embodiment, a water inlet pipe 12 is arranged below the fire extinguishing agent tank 11, the water inlet pipe 12 includes two inlet ends and an outlet end, both the inlet ends of the water inlet pipe 12 are provided with switch valves 13, one inlet end of the water inlet pipe 12 is communicated with the fire extinguishing agent tank 11, the other inlet end is communicated with an external water source, a motor-pump set 10 is arranged in the cabinet, and the outlet end of the water inlet pipe 12 is connected with the pipe network 8 through the motor-pump set 10.
Wherein, the inlet tube 12 sets up two entrance points, can be through switching on and off the ooff valve 13 on two entrance points on the inlet tube 12 in the use, realize one of them entrance point on the inlet tube 12 of exclusive use, when needing to use fire extinguishing agent to put out a fire, open the ooff valve 13 on the entrance point that communicates with fire extinguishing agent case 11, the fire extinguishing agent in the fire extinguishing agent case 11 flows into the entrance point that communicates with fire extinguishing agent case 11, flow through motor pump package 10 again, carry fire extinguishing agent to the first shower nozzle 5 on the battery cluster that breaks out a fire through pipe network 8 in, first shower nozzle 5 sprays fire extinguishing agent to carry out the fire extinguishing treatment to the battery cluster that breaks out a fire, when using external water source to put out a fire to the battery cluster that breaks out a fire, close the ooff valve 13 on the entrance point with fire extinguishing agent case 11 that communicates, open the ooff valve 13 on the entrance point of inlet tube 12 that is connected with external water source, external water source passes through motor pump package 10 through inlet tube 12, rethread pipe network 8 carries the clear water to the electrochemistry energy storage cabin, carry out a fire extinguishing treatment to the conflagration that breaks out a fire that takes place in the electrochemistry energy storage cabin.
Referring to fig. 2, in this embodiment, a plurality of second nozzles 6 are disposed at the top of the electrochemical energy storage cabin, the plurality of second nozzles 6 are connected to an outlet end of a motor pump group 10 through a pipe network 8, an electromagnetic valve group is installed in the electrochemical energy storage cabin, the electromagnetic valve group includes a plurality of first electromagnetic valves 4 and a plurality of second electromagnetic valves 7, the plurality of first electromagnetic valves 4 are disposed on the plurality of first nozzles 5, the first electromagnetic valves 4 are used for controlling the circulation of liquid in the first nozzles 5, the plurality of second electromagnetic valves 7 are disposed on the plurality of second nozzles 6, the second electromagnetic valves 7 are used for controlling the circulation of liquid in the second nozzles 6, the fire alarm control device 2 is configured to control the plurality of second electromagnetic valves 7 to open so that the plurality of second nozzles 6 spray water mist into the electrochemical energy storage cabin when receiving a hydrogen concentration value, a carbon monoxide concentration value, a smoke concentration value, a temperature value, and a VOC gas concentration value detected by any two different fire detection devices 3, and a temperature is higher than 80 ℃ or a temperature rise per second higher than 3 ℃.
When a fire disaster occurs in the electrochemical energy storage cabin, the hydrogen concentration value, the carbon monoxide concentration value, the smoke concentration value, the temperature value and the VOC gas concentration value detected by any two different fire detection devices 3 exceed the standards, and the temperature is higher than 80 ℃ or is higher than 3 ℃ per second, the fire detection devices 3 transmit detected signals to the fire alarm control device 2, the fire alarm control device 2 controls the fire extinguishing device 1 to start and control the second electromagnetic valve 7 to be opened, the switch valve 13 on the inlet end of the water inlet pipe 12 connected with an external water source is opened, the external water source flows through the motor pump set 10 through the water inlet pipe 12, clean water is conveyed into the second spray heads 6 through the pipe network 12, and the second spray heads 5 spray fine water mist to extinguish the fire disaster occurring in the electrochemical energy storage cabin. When using 5 first shower nozzles that the conflagration battery clustered to spray extinguishing agent to put out a fire, through 2 control of fire alarm control device first solenoid valve 4 on the conflagration battery clustered to open for the pipeline of 5 departments of the first shower nozzles on the conflagration battery clustered is in the state of opening, and in extinguishing agent flowed into 5 first shower nozzles on the conflagration battery clustered, 5 first shower nozzles on the conflagration battery clustered to spray extinguishing agent were put out a fire this moment.
It should be noted that the plurality of second nozzles 6 are water mist nozzles, and the water mist nozzles are used for decomposing liquid into small particles under specific pressure to extinguish fire in the electrochemical energy storage cabin, and the water mist nozzles have a safe and environment-friendly fire extinguishing function and can play the effects of reducing smoke and temperature of dense smoke and high temperature in the electrochemical energy storage cabin.
Referring to fig. 3, in this embodiment, a shunt bar 9 is installed at the top of each of the plurality of battery clusters, one end of the shunt bar 9 is connected to the first electromagnetic valve 4, the other end of the shunt bar 9 is connected to the plurality of first nozzles 5 through a hose, and the shunt bar 9 is used for shunting the fire extinguishing agent to the plurality of first nozzles 5.
Wherein, the conflagration breaks out on the battery cluster, when using fire extinguishing agent to put out a fire, open through switching valve 13 on the inlet end of fire alarm controlling means 2 control first solenoid valve 4 and with fire extinguishing agent case 11 intercommunication, the fire extinguishing agent in the fire extinguishing agent case 11 flows in the inlet end with fire extinguishing agent case 11 intercommunication, flow through motor pump package 10 again, flow to reposition of redundant personnel row 10 department through pipe network 8, reposition of redundant personnel row 10 is shunted the fire extinguishing agent of circulation here through the reposition of redundant personnel, the fire extinguishing agent through reposition of redundant personnel gets into in the hose, the fire extinguishing agent of reposition of redundant personnel is sprayed out through first shower nozzle 5 of connecting on the hose, thereby spray the inside of battery cluster with fire extinguishing agent through first shower nozzle 5, carry out the processing of putting out a fire to the conflagration that the battery cluster is inside to take place.
Referring to fig. 6, in this embodiment, the electrochemical energy storage cabin is provided with an audible and visual alarm, the audible and visual alarm is electrically connected to the fire alarm control device 2, and the fire alarm control device 2 is configured to control the audible and visual alarm to give an alarm when the fire detection device 3 detects that any value of the hydrogen concentration value, the carbon monoxide concentration value, the smoke concentration value, the temperature value, and the VOC gas concentration value exceeds the standard.
Wherein, the concentration numerical value that detects hydrogen at fire detection device 3, the concentration numerical value of carbon monoxide, the concentration numerical value of smog, the index of arbitrary numerical value exceeds standard in temperature numerical value and the VOC gas concentration numerical value, fire detection device 3 is with signal transmission to fire alarm control device 2 of surveying, 2 control audible-visual annunciator of fire alarm control device send the warning this moment, remind the staff electrochemistry energy storage under-deck to take place unusually, the condition of conflagration takes place exists, make that the staff can be timely look over the condition in the electrochemistry energy storage under-deck, and carry out relevant processing to the unusuality in the electrochemistry energy storage under-deck.
Referring to fig. 6, in this embodiment, the electrochemical energy storage cabin is further provided with a gas discharge indicator lamp and a smoke exhaust fan, the gas discharge indicator lamp and the smoke exhaust fan are both electrically connected to the fire alarm control device 2, and the fire alarm control device 2 is configured to control the gas discharge indicator lamp to be turned on and the smoke exhaust fan to be turned off when the fire extinguishing agent is sprayed.
Wherein, when spraying extinguishing agent, the signal of extinguishing agent release can be transmitted to fire alarm control device 2 in, 2 control bleed pilot lamps of fire alarm control device light, remind relevant personnel under-deck release extinguishing agent, temporarily do not go into, 2 control smoke exhaust fans of fire alarm control device close simultaneously, prevent that the extinguishing agent of spraying from discharging through smoke exhaust fans, influence the fire extinguishing effect of extinguishing agent to electrochemistry energy storage under-deck.
Referring to fig. 6, in this embodiment, an emergency start button and an emergency stop button are further disposed on the electrochemical energy storage cabin, the emergency start button and the emergency stop button are both electrically connected to the fire alarm control device 2, when the emergency start button is pressed, the fire alarm control device 2 controls the audible and visual alarm to alarm and controls the plurality of second electromagnetic valves 7 to be fully opened in a delayed manner, and the emergency stop button is used for terminating the emergency start program before the fire extinguishing apparatus 1 is started.
When an emergency occurs in the electrochemical energy storage cabin, a worker can manually start the emergency starting button, when the emergency starting button is started, countdown is started correspondingly, the audible and visual alarm gives continuous alarm to remind related personnel, when the countdown is finished for 30 seconds, the fire alarm control device 2 controls the second electromagnetic valves 7 to be opened completely, pipelines at the second spray heads 6 are in an opened state, the fire alarm control device 2 controls the fire extinguishing device 1 to be started, when fire extinguishing agents exist in the fire extinguishing agent box 11, the fire extinguishing agents in the fire extinguishing agent box 11 flow into an inlet end communicated with the fire extinguishing agent box 11 and then flow through the motor pump unit 10, the fire extinguishing agents are conveyed into the second spray heads 6 through the pipe network 8, the fire extinguishing agents are sprayed by the second spray heads 6 to extinguish all the battery clusters in the electrochemical energy storage cabin, when the fire extinguishing agents in the fire extinguishing agent box 11 are used up, the switch valve 13 on the inlet end of the water inlet pipe 12 connected with an external water source is opened, the external water source flows through the motor pump unit 10 through the pipe 12, clean water passes through the pipe network 8 to pass through the electrochemical energy storage cabin to be conveyed to the electrochemical energy storage cabin for fire extinguishing.
When a plurality of second shower nozzles 6 sprayed extinguishing agent, the signal of extinguishing agent release can be transmitted to in fire alarm control device 2, and fire alarm control device 2 controls the gassing pilot lamp and lights, reminds relevant personnel the interior extinguishing agent that is releasing of cabin, temporarily do not go into. The emergency stop button can be pressed within 30 seconds of the countdown of the start of the emergency start button, when the emergency stop button is started, the fire extinguishing device 1 terminates the series of emergency start procedures for extinguishing the electrochemical energy storage cabin before the countdown to be started is finished, and simultaneously the audible and visual alarm stops giving an alarm.
It should be noted that the operation principle of the countdown corresponding to the start-up when the emergency start button is started belongs to the conventional technical means in the field, and therefore, the detailed description thereof is not provided in the present application.
In this embodiment, extinguishing device 1 is through controlling motor pump group 10 intermittent type start, makes first shower nozzle 5 carry out intermittent type formula circulation point and spouts the fire extinguishing, because motor pump group 10 carries out intermittent type start for the injection mode of first shower nozzle 5 is the circulation and is interrupted the injection, adopts the mode that is interrupted the injection can prolong the time of cooling suppression, effectively suppresses lithium cell thermal runaway's after combustion.
The implementation principle of the electrochemical energy storage cabin fire suppression system in the embodiment of the application is as follows: at the initial stage of thermal runaway of the battery, the lithium battery releases hydrogen and carbon monoxide gas, and at the moment, the fire detection device 3 detects the content of the hydrogen and carbon monoxide gas in the electrochemical energy storage cabin. When the concentration numerical value of hydrogen or the concentration numerical value index of carbon monoxide in the battery cluster exceeds the standard, the fire alarm control device 2 receives and analyzes the signal detected by the fire detection device 3, the battery cluster with the concentration numerical value of hydrogen or the concentration numerical value index of carbon monoxide exceeding the standard is judged, and meanwhile, the fire alarm control device 2 controls the audible and visual alarm to generate an alarm signal.
When the fire detection device 3 detects that the index of any one value of the concentration numerical value of hydrogen in the battery cluster, the concentration numerical value of carbon monoxide, the concentration numerical value of smog, the temperature numerical value and the VOC gas concentration numerical value exceeds the standard, the fire alarm control device 2 receives the signal detected by the fire detection device 3 and analyzes the signal, the battery cluster with the hydrogen concentration numerical value, the carbon monoxide concentration numerical value, the smog concentration numerical value, the temperature numerical value and the VOC gas concentration numerical value index exceeding the standard in the system is judged, and the first electromagnetic valve 4 on the battery cluster with the index exceeding the standard is controlled to be opened. At the moment, the first spray nozzle 5 on the battery cluster with the standard exceeding index sprays the fire extinguishing agent to extinguish the fire of the battery cluster with the standard exceeding index, and meanwhile, the fire alarm control device 2 controls the audible and visual alarm to give an alarm, the air discharge indicator lamp is turned on and the smoke exhaust fan is turned off, so that the accurate positioning of the ignition source in the electrochemical energy storage cabin is realized.
When the fire detection device 3 detects that the indexes of the hydrogen concentration value, the carbon monoxide concentration value, the smoke concentration value, the temperature value and the VOC gas concentration value of any two different fire detectors in the system exceed the standard, and the temperature is higher than 80 ℃ or the temperature rise per second is higher than 3 ℃, the fire alarm control device 2 controls the second electromagnetic valve 7 to be opened. At the moment, the second nozzles 6 spray water mist to extinguish fire, and meanwhile, the fire alarm control device 2 controls the audible and visual alarm to give an alarm, so that the lithium battery with thermal runaway in the cabin of the electrochemical energy storage chamber is subjected to timely fire extinguishing treatment.
It should be apparent to those skilled in the art that while the preferred embodiments of the present invention have been described, additional variations and modifications to these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the equivalent technology of the machine of the present invention, the present invention is also intended to encompass such modifications and variations.
Claims (8)
1. An electrochemical energy storage compartment fire suppression system, comprising: extinguishing device (1), fire alarm control device (2), a plurality of fire detection device (3) and a plurality of first shower nozzle (5), a plurality of fire detection device (3) one-to-one are installed on a plurality of battery clusters, fire detection device (3) are hydrogen, carbon monoxide, temperature, smog, and the gaseous compound detector of VOC, a plurality of fire detection device (3) all are connected with fire alarm control device (2), extinguishing device (1) is connected with fire alarm control device (2), extinguishing device (1) includes the rack, fire extinguishing agent case (11) has set firmly in the rack inner chamber, a plurality of first shower nozzle (5) one-to-one are installed on a plurality of battery clusters, a plurality of first shower nozzle (5) all are connected to extinguishing device (1) through pipe network (8), fire alarm control device (2) are used for detecting the environmental index that corresponds around the battery cluster when exceeding standard at fire detection device (3), control corresponds first shower nozzle (5) on the battery cluster and sprays fire extinguishing agent.
2. The electrochemical energy storage cabin fire suppression system according to claim 1, wherein a water inlet pipe (12) is arranged below the fire extinguishing agent tank (11), the water inlet pipe (12) comprises two inlet ends and one outlet end, a switch valve (13) is arranged on each of the two inlet ends of the water inlet pipe (12), one inlet end of the water inlet pipe (12) is communicated with the fire extinguishing agent tank (11), the other inlet end of the water inlet pipe is communicated with an external water source, a motor-pump set (10) is arranged in the cabinet, and the outlet end of the water inlet pipe (12) is connected with a pipe network (8) through the motor-pump set (10).
3. An electrochemical energy storage compartment fire suppression system according to claim 2, wherein a plurality of second nozzles (6) are arranged at the top of the electrochemical energy storage compartment, the plurality of second nozzles (6) are connected with the outlet end of the motor-pump unit (10) through a pipe network (8), an electromagnetic valve bank is installed in the electrochemical energy storage compartment, the electromagnetic valve bank comprises a plurality of first electromagnetic valves (4) and a plurality of second electromagnetic valves (7), the plurality of first electromagnetic valves (4) are arranged on the plurality of first nozzles (5), the first electromagnetic valves (4) are used for controlling the circulation of liquid in the first nozzles (5), the plurality of second electromagnetic valves (7) are arranged on the plurality of second nozzles (6), the second electromagnetic valves (7) are used for controlling the circulation of liquid in the second nozzles (6), the fire alarm control device (2) is used for controlling the temperature rise of the electrochemical energy storage compartment by controlling the plurality of second nozzles (6) when the plurality of second nozzles (7) are opened to spray water mist into the electrochemical energy storage compartment, and the temperature rise of the electrochemical energy storage compartment is greater than 80 ℃ or exceeds 3 ℃ per second seconds.
4. An electrochemical energy storage compartment fire suppression system according to claim 3, wherein a shunt row (9) is installed at the top of each of the plurality of battery clusters, one end of the shunt row (9) is connected to the first solenoid valve (4), the other end of the shunt row is connected to the plurality of first nozzles (5) through a hose, and the shunt row (9) is used for shunting the fire extinguishing agent to the plurality of first nozzles (5).
5. The electrochemical energy storage compartment fire suppression system according to claim 1, wherein an audible and visual alarm is installed on the electrochemical energy storage compartment, the audible and visual alarm is electrically connected with the fire alarm control device (2), and the fire alarm control device (2) is configured to control the audible and visual alarm to give an alarm when the fire detection device (3) detects that any one of the hydrogen concentration value, the carbon monoxide concentration value, the smoke concentration value, the temperature value, and the VOC gas concentration value exceeds a standard.
6. The electrochemical energy storage cabin fire suppression system according to claim 5, wherein the electrochemical energy storage cabin is further provided with a gas discharge indicator lamp and a smoke exhaust fan, the gas discharge indicator lamp and the smoke exhaust fan are both electrically connected with the fire alarm control device (2), and the fire alarm control device (2) is used for controlling the gas discharge indicator lamp to be turned on and the smoke exhaust fan to be turned off when the fire extinguishing agent is sprayed.
7. The electrochemical energy storage cabin fire suppression system according to claim 5, wherein an emergency start button and an emergency stop button are further arranged on the electrochemical energy storage cabin, the emergency start button and the emergency stop button are both electrically connected with the fire alarm control device (2), when the emergency start button is pressed, the fire alarm control device (2) controls the audible and visual alarm to alarm and controls the second electromagnetic valves (7) to be opened in a delayed mode, and the emergency stop button is used for terminating the emergency start program before the fire extinguishing device (1) is started.
8. An electrochemical energy storage compartment fire suppression system according to claim 2, characterized in that the fire extinguishing apparatus (1) is controlled by the motor-pump unit (10) to be intermittently activated, so that the first spray head (5) can perform intermittent circulating spot spraying fire extinguishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117671876A (en) * | 2024-01-31 | 2024-03-08 | 四川千页科技股份有限公司 | Fire early warning and monitoring system and method for electrochemical energy storage station |
| CN117746567A (en) * | 2024-02-20 | 2024-03-22 | 四川千页科技股份有限公司 | Energy storage power station composite fire detection system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117671876A (en) * | 2024-01-31 | 2024-03-08 | 四川千页科技股份有限公司 | Fire early warning and monitoring system and method for electrochemical energy storage station |
| CN117671876B (en) * | 2024-01-31 | 2024-04-05 | 四川千页科技股份有限公司 | Fire early warning and monitoring system and method for electrochemical energy storage station |
| CN117746567A (en) * | 2024-02-20 | 2024-03-22 | 四川千页科技股份有限公司 | Energy storage power station composite fire detection system and method |
| CN117746567B (en) * | 2024-02-20 | 2024-04-26 | 四川千页科技股份有限公司 | Energy storage power station composite fire detection system and method |
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