CN215653563U - Fire-fighting early warning system of energy storage power station - Google Patents
Fire-fighting early warning system of energy storage power station Download PDFInfo
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- CN215653563U CN215653563U CN202121470613.3U CN202121470613U CN215653563U CN 215653563 U CN215653563 U CN 215653563U CN 202121470613 U CN202121470613 U CN 202121470613U CN 215653563 U CN215653563 U CN 215653563U
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Abstract
The utility model discloses a fire-fighting early warning system of an energy storage power station, which comprises a central controller, a fire detector, a fire extinguishing device, a fire alarm, an emergency starting and stopping device and a manual fire extinguishing device, wherein the fire detector comprises a temperature sensor, a smoke sensor, a combustible gas sensor, a current sensor and a flame sensor, and the fire extinguishing device comprises a heptafluoropropane gas fire extinguishing device and a water mist fire extinguishing device; the temperature sensor, the smoke sensor, the combustible gas sensor, the current sensor, the flame sensor, the heptafluoropropane gas fire extinguishing device and the water mist fire extinguishing device are respectively connected with the central controller, and the number of the manual fire extinguishing devices is two, and the manual fire extinguishing devices are respectively connected with the heptafluoropropane gas fire extinguishing device and the water mist fire extinguishing device. The utility model can ensure the safety and stability of the operation of the energy storage power station to the maximum extent.
Description
Technical Field
The utility model relates to the field of fire fighting, in particular to a fire fighting early warning system for an energy storage power station.
Background
With the rapid development of distributed energy and renewable energy and the improvement of the requirement on the reliability of power utilization, the energy storage power station becomes an effective means for peak clipping, valley filling and operation stability improvement of a power distribution network.
The lithium ion battery has the advantages of large energy density, high output power, long charging and discharging service life, wide working temperature, small self-discharge and the like, so the energy storage power station generally adopts the lithium ion battery to store energy. Although the lithium ion battery has various excellent performances, under the conditions of overheating, overshoot, over-discharge, overvoltage, overcurrent, short circuit and the like, thermal runaway can occur inside the battery due to heat accumulation, and further fire explosion accidents are caused. In addition, the presence of a large number of electrical devices in the energy storage power station increases the risk of fire. In an energy storage power station, once a fire disaster occurs, the fire disaster can spread rapidly; and has long duration and is accompanied by the release of toxic gases; in addition, there is a risk of secondary afterburning after the open fire is extinguished. The existing energy storage power station fire-fighting early warning system has the problems that detection elements are relatively single, early warning is not timely, fire hazard cannot be accurately judged and treated unreasonably, safety performance is low, major economic loss can be caused in case of safety accidents, and even casualties are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides an energy storage power station fire early warning system which can perform early multi-stage early warning, safe linkage and protection, and can guarantee the operation safety and stability of an energy storage power station to the maximum extent, in order to solve the problems that the existing energy storage power station fire early warning system is single in detection element, untimely in early warning, incapable of accurately judging fire hazard and unreasonable in disposal.
The purpose of the utility model is realized by the following technical scheme.
The utility model relates to a fire-fighting early warning system of an energy storage power station, which consists of a system body, wherein the system body comprises a central controller, a fire detector, a fire extinguishing device, a fire alarm, an emergency starting and stopping device and a manual fire extinguishing device, the fire detector comprises a temperature sensor, a smoke sensor, a combustible gas sensor, a current sensor and a flame sensor, and the fire extinguishing device comprises a heptafluoropropane gas fire extinguishing device and a water mist fire extinguishing device; the temperature sensor, the smoke sensor, the combustible gas sensor, the current sensor, the flame sensor, the heptafluoropropane gas fire extinguishing device and the water mist fire extinguishing device are respectively connected with the central controller, and the number of the manual fire extinguishing devices is two, and the manual fire extinguishing devices are respectively connected with the heptafluoropropane gas fire extinguishing device and the water mist fire extinguishing device.
The central controller is linked with a battery management system, the battery management system is connected with the remote monitoring terminal, and the running condition of the battery pack is fed back to the remote monitoring terminal according to the battery state, so that early warning is realized in time; the central controller is connected with a remote monitoring terminal, the remote monitoring terminal is connected with a video monitoring system, and the battery pack and the surrounding environment image are monitored.
The central controller controls the fire extinguishing device to extinguish fire through a fire signal detected by the fire detector, and simultaneously sends an alarm signal to the fire alarm device, and the fire alarm device alarms through the alarm signal; the central controller judges the type of fire of the energy storage power station according to the detection signal of the fire detector, when an electrical appliance fire breaks out, the heptafluoropropane gas fire extinguishing device is started, after an open fire is extinguished, the water mist fire extinguishing device is started for cooling, and when a battery fire breaks out, the water mist fire extinguishing device is started for extinguishing and cooling.
The combustible gas sensor is provided with a first threshold value and a second threshold value, the first threshold value is smaller than the second threshold value, and detection signals reaching different threshold values are transmitted to the fire alarm through the central controller;
the central controller adopts a hierarchical linkage alarm strategy: when the concentration of the combustible gas detected by the combustible gas sensor reaches a first threshold value, the central controller is linked with the battery management system, a battery circuit and the regional air conditioner are cut off, and an accident ventilation fan is started; when the concentration of the combustible gas detected by the combustible gas sensor reaches a second threshold value, the central controller is linked with the battery management system, the battery circuit and the air conditioner in the area are cut off, the accident ventilation fan is started, and the water mist fire extinguishing device is started; when other sensors except the combustible gas sensor detect abnormality, the central controller is linked with the battery management system, the battery circuit and the regional air conditioner are cut off, the accident ventilation fan is started, the heptafluoropropane gas fire extinguishing device is started, and the water mist fire extinguishing device is started after 15 minutes of delay.
The fire detector carries out multi-dimensional real-time detection and monitoring on the battery state, wherein the temperature sensor, the smoke sensor, the combustible gas sensor, the current sensor and the flame sensor are at least two and are arranged at intervals in a crossing mode.
When a worker finds a fire in advance, the worker can press the emergency start-stop device, the central controller and the battery management system are linked to cut off the battery circuit and the regional air conditioner, and the heptafluoropropane gas fire extinguishing device or the water mist fire extinguishing device is started through the manual fire extinguishing device to extinguish the fire according to the type of the fire.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
(1) the fire-fighting early warning system for the energy storage power station is provided with the fire detector, and the battery state is detected and monitored in a multi-dimensional mode through the temperature sensor, the smoke sensor, the combustible gas sensor, the current sensor and the flame sensor, so that a fire source can be found as soon as possible, and a fire can be extinguished timely.
(2) The fire extinguishing device configured in the energy storage power station fire-fighting early warning system provided by the utility model comprises a heptafluoropropane gas fire extinguishing device and a water mist fire extinguishing device, and two combined fire extinguishing modes are adopted, so that the reignition of a lithium ion battery can be avoided while the fire extinguishing is accurately and efficiently finished.
(3) The central controller configured in the energy storage power station fire-fighting early warning system provided by the utility model can be linked with the battery management system, and can cut off the power consumption in time before fire extinguishment and temperature reduction, thereby effectively avoiding further diffusion of fire.
Drawings
FIG. 1 is a schematic diagram of a fire warning system for an energy storage power station according to the present invention;
FIG. 2 is a control schematic diagram of the fire-fighting early warning system of the energy storage power station.
Reference numerals: 1-a central controller; 2-a fire detector; 3-a fire extinguishing device; 4-fire alarm; 5-emergency start-stop device; 6-manual fire extinguishing device; 7-a temperature sensor; 8-a smoke sensor; 9-a combustible gas sensor; 10-a current sensor; 11-a flame sensor; 12-heptafluoropropane gas fire extinguishing means; 13-water mist fire extinguishing device; 14-a battery management system; 15-remote monitoring terminal; 16-video surveillance system.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, the fire-fighting early warning system for the energy storage power station mainly comprises a central controller 1, a fire detector 2, a fire extinguishing device 3, a fire alarm 4, an emergency start-stop device 5 and a manual fire extinguishing device 6, wherein the central controller 1 is respectively connected with the fire detector 2, the fire extinguishing device 3, the fire alarm 4 and the emergency start-stop device 5. Wherein, fire detector 2 includes temperature sensor 7, smoke transducer 8, combustible gas sensor 9, current sensor 10, flame sensor 11, is connected with central controller 1 respectively, can carry out the real-time detection control of multidimension to the battery state, and the sensor of different grade type all sets up two at least and alternately interval arrangement. The fire extinguishing device 3 comprises a heptafluoropropane gas fire extinguishing device 12 and a water mist fire extinguishing device 13 which are respectively connected with the central controller 1. The number of the manual fire extinguishing devices 6 is two, and the two manual fire extinguishing devices are respectively connected with a heptafluoropropane gas fire extinguishing device 12 and a water mist fire extinguishing device 13.
The central controller 1 can be HC-812B 2U industrial personal computer of Beijing Chuangcheng Chen Cheng Chen science and technology Limited. The fire signal in the power station is detected through various sensors in the fire detector 2, the fire extinguishing device 3 is controlled by the central controller 1 through the fire signal detected by the fire detector 2 to extinguish fire, meanwhile, an alarm signal is sent to the fire alarm 4, and the fire alarm 4 gives an alarm through the alarm signal.
As shown in fig. 2, the central controller 1 is linked with the battery management system 14, the battery management system 14 is connected with the remote monitoring terminal 15, and the battery pack running condition can be fed back to the remote monitoring terminal 15 according to the battery state, so as to realize early warning in time. The central controller 1 is connected with a remote monitoring terminal 15, the remote monitoring terminal 15 is connected with a video monitoring system 16, and images of the battery pack and surrounding environment can be monitored.
The lithium ion battery can generate a large amount of combustible but invisible gases such as carbon monoxide and alkanes through violent reaction of electrolyte at the early stage of thermal runaway, the abnormal conditions of the battery in the energy storage power station can be detected early through the combustible gas sensor 9, and then the fire state is detected in multiple dimensions through the temperature sensor 7, the smoke sensor 8, the current sensor 10 and the flame sensor 11, so that rapid reaction alarm is realized. The combustible gas sensor 9 is provided with a first threshold value and a second threshold value, the first threshold value being smaller than the second threshold value, and detection signals reaching different threshold values can be transmitted to the fire alarm 4 through the central controller 1.
The central controller 1 adopts a hierarchical linkage alarm strategy: when the concentration of the combustible gas detected by the combustible gas sensor 9 reaches a first threshold value, the central controller 1 is linked with the battery management system 14, a battery circuit and the air conditioner in the area are cut off, and the accident ventilation fan is started. When the concentration of the combustible gas detected by the combustible gas sensor 9 reaches a second threshold value, the central controller 1 is linked with the battery management system 14, a battery circuit and the air conditioner in the area are cut off, the accident ventilation fan is started, and the water mist fire extinguishing device 13 is started. When other sensors except the combustible gas sensor 9 detect abnormality, the central controller 1 is linked with the battery management system 14, a battery circuit and an air conditioner in the area are cut off, an accident ventilation fan is started, the heptafluoropropane gas fire extinguishing device 12 is started, and the water mist fire extinguishing device 13 is started after 15 minutes of delay.
The central controller 1 can judge the type of fire of the energy storage power station according to the detection signal of the fire detector 2, when an electrical appliance fire breaks out, the heptafluoropropane gas fire extinguishing device 12 is started, and after an open fire is extinguished, the water mist fire extinguishing device 13 is started for cooling; when a battery fire disaster happens, the water mist fire extinguishing device 13 is started to extinguish fire and reduce temperature. The combined fire extinguishing mode can accurately and efficiently complete fire extinguishing and simultaneously can prevent the secondary combustion of the lithium ion battery.
When the worker first detects a fire, the emergency start/stop device 5 is pressed, the central controller 1 and the battery management system 14 are linked to cut off the battery circuit and the local air conditioner, and the heptafluoropropane gas fire extinguishing device 12 or the water mist fire extinguishing device 13 is started by the manual fire extinguishing device 6 according to the type of the fire to extinguish the fire. The fire-fighting early warning system for the energy storage power station can monitor the fire alarm condition of the energy storage power station in real time, find out the fire in time, judge the fire type of the energy storage power station according to the detection result of the fire detector and take corresponding measures to eliminate the fire, thereby reducing the loss caused by the fire to the maximum extent.
Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. A fire-fighting early warning system of an energy storage power station is composed of a system body and is characterized in that the system body comprises a central controller (1), a fire detector (2), a fire extinguishing device (3), a fire alarm (4), an emergency starting and stopping device (5) and a manual fire extinguishing device (6), the fire detector (2) comprises a temperature sensor (7), a smoke sensor (8), a combustible gas sensor (9), a current sensor (10) and a flame sensor (11), and the fire extinguishing device (3) comprises a heptafluoropropane gas fire extinguishing device (12) and a water mist fire extinguishing device (13); temperature sensor (7), smoke transducer (8), combustible gas sensor (9), current sensor (10), flame sensor (11), heptafluoropropane gaseous extinguishing device (12) and thin water smoke extinguishing device (13) are connected with central controller (1) respectively, manual extinguishing device (6) set up to two, are connected with heptafluoropropane gaseous extinguishing device (12) and thin water smoke extinguishing device (13) respectively.
2. The energy storage power station fire-fighting early warning system according to claim 1, characterized in that the central controller (1) is linked with a battery management system (14), the battery management system (14) is connected with a remote monitoring terminal (15), and the battery pack operation condition is fed back to the remote monitoring terminal (15) according to the battery state to realize timely early warning; the central controller (1) is connected with a remote monitoring terminal (15), and the remote monitoring terminal (15) is connected with a video monitoring system (16) to monitor the battery pack and the surrounding environment images.
3. The energy storage power station fire-fighting early-warning system according to claim 1, characterized in that the central controller (1) controls the fire extinguishing device (3) to extinguish fire through a fire signal detected by the fire detector (2), and simultaneously sends a warning signal to the fire alarm (4), and the fire alarm (4) alarms through the warning signal; the central controller (1) judges the type of fire of the energy storage power station according to the detection signal of the fire detector (2), when an electrical appliance fire breaks out, the heptafluoropropane gas fire extinguishing device (12) is started, after an open fire is extinguished, the water mist fire extinguishing device (13) is started for cooling, and when a battery fire breaks out, the water mist fire extinguishing device (13) is started for extinguishing the fire and cooling.
4. The energy storage power station fire-fighting early warning system according to claim 1, characterized in that the combustible gas sensor (9) is provided with a first threshold value and a second threshold value, the first threshold value being smaller than the second threshold value, detection signals reaching different threshold values being transmitted to the fire alarm (4) by the central controller (1);
the central controller (1) adopts a hierarchical linkage alarm strategy: when the concentration of the combustible gas detected by the combustible gas sensor (9) reaches a first threshold value, the central controller (1) is linked with the battery management system (14), a battery circuit and the regional air conditioner are cut off, and an accident ventilation fan is started; when the concentration of the combustible gas detected by the combustible gas sensor (9) reaches a second threshold value, the central controller (1) is linked with the battery management system (14), a battery circuit and the regional air conditioner are cut off, the accident ventilation fan is started, and the water mist fire extinguishing device (13) is started; when other sensors except the combustible gas sensor (9) detect abnormality, the central controller (1) is linked with the battery management system (14), a battery circuit and the regional air conditioner are cut off, an accident ventilation fan is started, the heptafluoropropane gas fire extinguishing device (12) is started, and the water mist fire extinguishing device (13) is started after 15 minutes of delay.
5. The energy storage power station fire-fighting early warning system according to claim 1, wherein the fire detector (2) is used for performing multi-dimensional real-time detection and monitoring on the battery state, and at least two temperature sensors (7), at least two smoke sensors (8), at least two combustible gas sensors (9), at least two current sensors (10) and at least two flame sensors (11) are arranged in a crossed and spaced manner.
6. The energy storage power station fire-fighting early warning system according to claim 1, characterized in that when a worker finds a fire in advance, the worker can press the emergency start-stop device (5), the central controller (1) and the battery management system (14) are linked to cut off a battery circuit and an air conditioner in the area, and the heptafluoropropane gas fire extinguishing device (12) or the water mist fire extinguishing device (13) is started through the manual fire extinguishing device (6) to extinguish the fire according to the type of the fire.
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| CN202121470613.3U CN215653563U (en) | 2021-06-30 | 2021-06-30 | Fire-fighting early warning system of energy storage power station |
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| CN202121470613.3U CN215653563U (en) | 2021-06-30 | 2021-06-30 | Fire-fighting early warning system of energy storage power station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699676A (en) * | 2022-03-29 | 2022-07-05 | 华为数字技术（苏州）有限公司 | Energy storage system and control method thereof |
| CN115025422A (en) * | 2022-06-24 | 2022-09-09 | 中国华能集团清洁能源技术研究院有限公司 | Centralized air exhaust method and equipment applied to large-scale energy storage system |
| CN115531776A (en) * | 2022-10-25 | 2022-12-30 | 诺可安工程技术(江苏)有限公司 | Prefabricated cabin energy storage fire control unit and fire extinguishing system thereof |
| CN115953873A (en) * | 2023-01-17 | 2023-04-11 | 华侨大学 | Early warning method and system for new energy storage power 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 |
-
2021
- 2021-06-30 CN CN202121470613.3U patent/CN215653563U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699676A (en) * | 2022-03-29 | 2022-07-05 | 华为数字技术（苏州）有限公司 | Energy storage system and control method thereof |
| CN115025422A (en) * | 2022-06-24 | 2022-09-09 | 中国华能集团清洁能源技术研究院有限公司 | Centralized air exhaust method and equipment applied to large-scale energy storage system |
| CN115531776A (en) * | 2022-10-25 | 2022-12-30 | 诺可安工程技术(江苏)有限公司 | Prefabricated cabin energy storage fire control unit and fire extinguishing system thereof |
| CN115953873A (en) * | 2023-01-17 | 2023-04-11 | 华侨大学 | Early warning method and system for new energy storage power 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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