Fire extinguishing system device of energy storage power station

Abstract

The utility model discloses a fire extinguishing system device of an energy storage power station, which comprises a control box, a ventilation structure, a fire extinguishing structure and a heat dissipation exhaust structure, the ventilation structure comprises a nitrogen tank, a nitrogen header pipe and a ventilation U-shaped pipe, the nitrogen header pipe is connected to a gas outlet port of the nitrogen tank, and a first air pump is arranged on the nitrogen header pipe; the fire extinguishing structure comprises a fire extinguisher tank, a long-strip-shaped spray head and a plurality of connecting hoses. The heat dissipation air exhaust structure comprises an air exhaust header pipe, a large air exhaust fan, an air exhaust box and a small air exhaust fan. Each energy storage device is provided with a fire-fighting monitoring device, and the fire-fighting monitoring device is electrically connected with a control box. According to the utility model, each energy storage device in the energy storage power station can be accurately monitored, accurate fire extinguishing or prevention of fire disasters in advance can be realized, the fire extinguishing process does not cause waste of fire-fighting resources, and the effect of centralized control of the dispersed energy storage devices is better.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting system equipment, in particular to a fire-fighting system device for an energy storage power station. Background Technique

[0002] A battery energy storage power station is a device system that stores, converts, and releases recyclable electric energy through an electrochemical battery storage medium. The Watt energy storage system can be connected to the power grid as an independent system, playing roles such as peak shaving and valley filling, and standby power supply for the power grid. Therefore, the safety issues of battery energy storage power stations, especially fire issues, are particularly worthy of attention. The fires in battery energy storage power stations are often caused by multiple factors and are more difficult to control than general fires. Therefore, how to set up a fire extinguishing system in the energy storage power station to improve the fire safety of the energy storage power station is an important problem that urgently needs to be solved in the energy storage power station. For the energy storage equipment in the energy storage power station, they are placed separately to prevent the influence on other energy storage equipment in case of abnormalities or fires. However, it is very difficult to centrally handle the fire protection of the entire energy storage power station in this way, and the establishment of the fire protection system is more troublesome. How to accurately control the fire prevention and extinguishing of each energy storage equipment without causing waste of fire protection resources will be the technology required for the fire protection of the energy storage power station now. Content of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems in the related technologies to some extent. For this reason, an object of the utility model is to provide a fire-fighting system device for an energy storage power station, which solves the problems of difficult centralized control of fire protection in the energy storage power station, poor fire protection effect, and difficult waste of fire protection resources.

[0004] A fire protection system device for an energy storage power station according to the present utility model includes a control box, a ventilation structure, a fire extinguishing structure, and a heat dissipation and air extraction structure. The ventilation structure includes a nitrogen gas tank, a main nitrogen gas pipe, and a ventilation U-shaped pipe. The outlet port of the nitrogen gas tank is connected to the main nitrogen gas pipe, and a first air pump is provided on the main nitrogen gas pipe. The main nitrogen gas pipe is arranged along the energy storage equipment in the energy storage power station, and a branch pipe is provided behind each energy storage equipment, and a first solenoid valve is provided in the branch pipe. The ventilation U-shaped pipe is installed on the branch pipe. The ventilation U-shaped pipe surrounds the rear side and both sides near the bottom of the energy storage equipment. A plurality of upwardly inclined exhaust holes are equidistantly provided on the inner side of the ventilation U-shaped pipe. The fire extinguishing structure includes a fire extinguisher tank, a long nozzle, and a plurality of connecting hoses. A fire extinguisher tank is equipped behind each energy storage equipment. A long nozzle is provided above the top and on both sides above the top of the energy storage equipment, and the long nozzles on both sides above the top are directed towards the side walls of the energy storage equipment. Three connecting hoses are connected to the spraying end of the fire extinguisher tank, and the three connecting hoses are respectively connected to the long nozzles. A second solenoid valve is provided in the spraying end of the fire extinguisher tank. The heat dissipation and air extraction structure includes an air extraction main pipe, an air extraction large fan, an air extraction box, and an air extraction small fan. One end of the air extraction main pipe extends to the outside of the energy storage power station, and the air extraction main pipe is arranged along the energy storage equipment. An air extraction branch pipe is provided beside the front side of each energy storage equipment. The air extraction box is installed on the air extraction branch pipe and is arranged beside the exhaust port of the energy storage equipment. An air extraction small fan is provided on the air extraction branch pipe. An air extraction large fan is provided at the position of the air extraction main pipe near the exhaust end;

[0005] Fire monitoring equipment is provided on each of the energy storage equipment, and the fire monitoring equipment is electrically connected to the control box. The control box is electrically connected to the first air pump, each first solenoid valve, the second solenoid valve, the air extraction large fan, and each air extraction small fan.

[0006] In some embodiments of the present utility model, the energy storage equipment is provided with a number, and the first solenoid valve corresponding to the ventilation U-shaped pipe, the second solenoid valve corresponding to the fire extinguisher tank, and the air extraction small fan corresponding to the air extraction box equipped on each energy storage equipment will be correspondingly provided with corresponding numbers.

[0007] In some other embodiments of the present utility model, an electronic barometer for monitoring the air pressure in the tank is provided on the nitrogen gas tank, and the electronic barometer is electrically connected to the control box.

[0008] In some other embodiments of the present utility model, the first air pump has different working powers, and a power control module for controlling the power of the first air pump is provided on the controller in the control box.

[0009] In some other embodiments of the present utility model, a filter grid is provided at the opening on one side of the air extraction box.

[0010] In some other embodiments of the present utility model, the fire monitoring device includes a temperature monitor, a smoke monitor, and a voltage and current monitor.

[0011] In the present utility model, each energy storage device in the energy storage power station can be accurately monitored, so as to achieve accurate fire extinguishing or prevent the occurrence of fires in advance. The fire extinguishing process will not cause waste of fire protection resources, and the effect of centralized control of dispersed energy storage devices is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0013] Figure 1 It is a layout schematic diagram of a fire protection system device for an energy storage power station proposed by the present utility model.

[0014] Figure 2 It is a structural schematic diagram of a fire protection device corresponding to the energy storage device proposed by the present utility model.

[0015] Figure 3 It is a cross-sectional structural schematic diagram of the fire extinguisher tank at the spraying end proposed by the present utility model.

[0016] In the figure: 1, control box; 2, nitrogen tank; 3, nitrogen main pipe; 31, first air pump; 4, ventilation U-shaped pipe; 41, first solenoid valve; 42, exhaust hole; 5, fire extinguisher tank; 50, second solenoid valve; 501, connecting hose; 51, long nozzle; 6, air extraction main pipe; 61, air extraction large fan; 7, air extraction box; 71, air extraction branch pipe; 711, air extraction small fan. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0018] Examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0019] Refer to Figures 1-3, a fire protection system device for an energy storage power station, comprising a control box 1, a ventilation structure, a fire extinguishing structure, and a heat dissipation and air extraction structure. The ventilation structure includes a nitrogen tank 2, a nitrogen main pipe 3, and a ventilation U-shaped pipe 4. The air outlet port of the nitrogen tank 2 is connected to the nitrogen main pipe 3, and a first air pump 31 is provided on the nitrogen main pipe 3. The nitrogen main pipe 3 is arranged along the energy storage equipment in the energy storage power station, and a branch pipe is provided at the rear of each energy storage equipment, and a first solenoid valve 41 is provided in the branch pipe. The ventilation U-shaped pipe 4 is installed on the branch pipe. The ventilation U-shaped pipe 4 surrounds the rear side and both sides near the bottom of the energy storage equipment. A plurality of upwardly inclined exhaust holes 42 are equidistantly provided on the inner side of the ventilation U-shaped pipe 4. The fire extinguishing structure includes a fire extinguisher tank 5, a long nozzle 51, and multiple connecting hoses 501. A fire extinguisher tank 5 is equipped at the rear of each energy storage equipment. A long nozzle 51 is provided above the top of the energy storage equipment and on both sides above the top, and the long nozzles 51 on both sides above the top are directed towards the side walls of the energy storage equipment. The spraying end of the fire extinguisher tank 5 is connected to three connecting hoses, and the three connecting hoses 501 are respectively connected to the long nozzles 51. A second solenoid valve 50 is provided in the spraying end of the fire extinguisher tank 5. The heat dissipation and air extraction structure includes an air extraction main pipe 6, an air extraction large fan 61, an air extraction box 7, and an air extraction small fan 711. One end of the air extraction main pipe 6 extends to the outside of the energy storage power station, and the air extraction main pipe 6 is arranged along the energy storage equipment. An air extraction branch pipe 71 is provided beside the front side of each energy storage equipment. The air extraction box 7 is installed on the air extraction branch pipe 71 and is arranged beside the exhaust port of the energy storage equipment. An air extraction small fan 711 is provided on the air extraction branch pipe 71. The air extraction large fan 61 is provided at a position near the exhaust end of the air extraction main pipe 6;

[0020] A fire protection monitoring device is provided on each energy storage equipment, and the fire protection monitoring device is electrically connected to the control box 1. The control box 1 is electrically connected to the first air pump 31, each first solenoid valve 41, the second solenoid valve 50, the air extraction large fan 61, and each air extraction small fan 711.

[0021] The fire protection monitoring device is used to monitor whether each energy storage equipment has too high a temperature, whether there is smoke and open fire, and whether the power consumption is normal, etc. When the temperature is too high (ambient temperature), the hot air discharged is sucked away by the air extraction box 7 provided at the air outlet position, and the air extraction speed is determined by monitoring the temperature. When there is smoke or abnormal current and voltage, nitrogen is discharged from the nitrogen tank 2 and discharged from the corresponding ventilation U-shaped pipe 4, and the nitrogen is discharged around the energy storage equipment to reduce the surrounding air content and slow down the combustion speed. At the same time, according to the monitoring situation, the fire extinguishing agent is sprayed. The second solenoid valve 50 in the spraying end of the fire extinguisher tank 5 is opened, and the fire extinguishing agent is sprayed into the long nozzle 51 through the three connecting hoses 501 and then sprayed on the surface of the energy storage equipment to achieve fire extinguishing.

[0022] The energy storage device is provided with a number. The first solenoid valve 41 corresponding to the ventilation U-shaped pipe 4 equipped on each energy storage device, the second solenoid valve 50 corresponding to the fire extinguisher tank 5, and the air extraction small fan 711 corresponding to the air extraction box 7 will be correspondingly provided with corresponding numbers.

[0023] An energy storage device adopts a unified number, which is convenient for accurately controlling the precise fire extinguishing of each energy storage device. By monitoring the situation of the corresponding energy storage device, the corresponding fire extinguishing situation is started.

[0024] The nitrogen gas tank 2 is provided with an electronic barometer for monitoring the air pressure in the tank, and the electronic barometer is electrically connected to the control box. The gas content of the nitrogen gas tank 2 is monitored through the electronic barometer for timely replenishment.

[0025] The first air pump 31 has different working powers, and a power control module for controlling the power of the first air pump is provided on the controller in the control box 1. The power is adjusted according to the number of energy storage devices that need to be extinguished, so as to supplement sufficient nitrogen for extinguishing each energy storage device that needs to be extinguished.

[0026] A filter grid is provided at the opening on one side of the air extraction box 7. To prevent blockage.

[0027] The fire monitoring device includes a temperature monitor, a smoke monitor, and a voltage and current monitor. The temperature monitor can monitor the ambient temperature of each energy storage device to quickly extract air for cooling the surroundings. The smoke monitor is used to monitor whether there is a fire to timely exhaust air to reduce the combustion speed and timely extinguish the fire. The voltage and current monitor is to prevent abnormalities and prevent explosions, and timely spray fire extinguishing agent to reduce the explosion probability.

[0028] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A fire protection system device for an energy storage power station, characterized in that: It includes a control box (1), a ventilation structure, a fire extinguishing structure, and a heat dissipation and air extraction structure. The ventilation structure includes a nitrogen tank (2), a main nitrogen pipe (3), and a ventilation U-shaped pipe (4). The outlet port of the nitrogen tank (2) is connected to the main nitrogen pipe (3), and a first air pump (31) is provided on the main nitrogen pipe (3). The main nitrogen pipe (3) is arranged along the energy storage devices in the energy storage power station, and a branch pipe is provided at the rear of each energy storage device, and a first solenoid valve (41) is provided in the branch pipe. The ventilation U-shaped pipe (4) is installed on the branch pipe. The ventilation U-shaped pipe (4) is sleeved around the rear side and both sides near the bottom of the energy storage device. A plurality of upwardly inclined exhaust holes (42) are equidistantly provided on the inner side of the ventilation U-shaped pipe (4). The fire extinguishing structure includes a fire extinguisher tank (5), a long nozzle (51), and multiple connecting hoses (501). A fire extinguisher tank (5) is equipped at the rear of each energy storage device. A long nozzle (51) is respectively provided above the top of the energy storage device and on both sides above the top, and the long nozzles (51) on both sides above the top are directed towards the side walls of the energy storage device. Three connecting hoses are connected to the spraying end of the fire extinguisher tank (5), and the three connecting hoses (501) are respectively connected to the long nozzles (51). A second solenoid valve (50) is provided in the spraying end of the fire extinguisher tank (5). The heat dissipation and air extraction structure includes an extraction main pipe (6), an extraction large fan (61), an extraction box (7), and an extraction small fan (711). One end of the extraction main pipe (6) extends to the outside of the energy storage power station, and the extraction main pipe (6) is arranged along the energy storage devices. An extraction branch pipe (71) is provided beside the front side of each energy storage device. The extraction box (7) is installed on the extraction branch pipe (71) and is arranged beside the exhaust port of the energy storage device. An extraction small fan (711) is provided on the extraction branch pipe (71). An extraction large fan (61) is provided at a position near the exhaust end of the extraction main pipe (6); A fire monitoring device is provided on each energy storage device, and the fire monitoring device is electrically connected to the control box (1). The control box (1) is electrically connected to the first air pump (31), each first solenoid valve (41), the second solenoid valve (50), the extraction large fan (61), and each extraction small fan (711).

2. The fire protection system device of an energy storage power station according to claim 1, characterized in that: The energy storage device is provided with a number. The first solenoid valve (41) corresponding to the ventilation U-shaped pipe (4) equipped on each energy storage device, the second solenoid valve (50) corresponding to the fire extinguisher tank (5), and the extraction small fan (711) corresponding to the extraction box (7) will be correspondingly provided with corresponding numbers.

3. The fire protection system device of an energy storage power station according to claim 1, characterized in that: An electronic barometer for monitoring the air pressure in the tank is provided on the nitrogen tank (2), and the electronic barometer is electrically connected to the control box.

4. The fire protection system device of an energy storage power station according to claim 1, characterized in that: The first air pump (31) has different working powers, and a power control module for controlling the power of the first air pump is provided on the controller in the control box (1).

5. The fire protection system device of an energy storage power station according to claim 1, wherein: A filter grid is provided at the opening on one side of the extraction box (7).

6. The fire protection system device of an energy storage power station according to claim 1, characterized in that: The fire monitoring device includes a temperature monitor, a smoke monitor, and a voltage and current monitor.

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