Fire-fighting equipment and systems

Abstract

The utility model provides a fire-fighting device and a fire-fighting system, which are applied to a first energy storage device; the fire-fighting device includes: a connected second energy storage device and a control unit; the second energy storage device is connected in parallel with the first energy storage device through a switch; the first energy storage device stores electrical energy; the switch is in an open state; the control unit is used to control the switch to close if it receives fire information or maintenance instructions from the first energy storage device, so as to connect the second energy storage device in parallel with the first energy storage device; control the first energy storage device to perform a discharge operation, and control the second energy storage device to store the electrical energy released by the first energy storage device, so as to realize the energy transfer of the first energy storage device. The fire-fighting device achieves the purpose of rapid fire extinguishing and improves fire safety by transferring a large amount of energy accumulated inside the energy storage device.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting, in particular to a fire fighting device and a fire fighting system. Background Art

[0002] At present, firefighting measures for energy storage equipment generally include the following methods: 1. Use inert gas to exhaust oxygen from the space where the burning energy storage device is located to suppress the fire. 2. Use water to extinguish the fire in the combustion space where the energy storage device is located. 3. Extinguish the fire by quickly conducting away the heat generated by the burning energy storage device, such as heat conduction through a cold water pipe.

[0003] In general, current fire-fighting measures for energy storage devices basically retard the storage device by cooling it or isolating it from oxygen. However, a large amount of energy is still stored inside the energy storage device, resulting in poor safety of the above traditional flame-retardant technology during operation. Utility Model Content

[0004] The purpose of the utility model is to provide a fire-fighting device and a fire-fighting system to alleviate the technical problem of poor safety of traditional flame-retardant technology during operation and improve the safety of operating energy storage equipment.

[0005] In the first aspect, an embodiment of the utility model provides a fire-fighting device, which is applied to a first energy storage device; the fire-fighting device includes: a connected second energy storage device and a control unit; the second energy storage device is connected in parallel with the first energy storage device through a switch; the first energy storage device stores electrical energy; the switch is in a disconnected state; the control unit is used to control the switch to close if it receives fire information or maintenance instructions from the first energy storage device, so as to connect the second energy storage device in parallel with the first energy storage device; control the first energy storage device to perform a discharge operation, and control the second energy storage device to store the electrical energy released by the first energy storage device, so as to realize the energy transfer of the first energy storage device.

[0006] In a preferred embodiment of the present invention, the first energy storage device is a battery module; the second energy storage device is a flywheel energy storage device.

[0007] In a preferred embodiment of the utility model, there are multiple battery modules; multiple battery modules are connected in series to form a battery cluster; each battery cluster is connected to an external high-voltage distribution box, a DC / DC conversion device, an energy storage inverter and a power grid in sequence.

[0008] In a preferred embodiment of the present invention, the number of the above-mentioned battery modules is 10; each battery module stores 20kWh; the power of the above-mentioned flywheel energy storage device is 240kW; and the energy storage capacity of the above-mentioned flywheel energy storage device is 200kWh.

[0009] In a preferred embodiment of the present invention, the flywheel energy storage device comprises: a bidirectional energy storage inverter, an electric motor and a flywheel; the flywheel energy storage device converts the electric energy released by the first energy storage device into alternating current through the bidirectional energy storage inverter, so as to drive the electric motor to rotate the flywheel through the alternating current, thereby realizing the energy transfer of the first energy storage device.

[0010] In a preferred embodiment of the present invention, the control unit is connected to an external fire sensing device; the fire sensing device is used to obtain the fire information of the environment in which the first energy storage device is located, and transmit the fire information to the control unit.

[0011] In a preferred embodiment of the present invention, the types of the fire sensing device include: temperature sensor, infrared sensor and smoke sensor.

[0012] In a preferred embodiment of the present invention, the control unit is an energy management system; the energy management system is communicatively connected with the first energy storage device and the second energy storage device.

[0013] In a preferred embodiment of the present invention, the second energy storage device is a superconducting energy storage device, a pumped energy storage device, a supercapacitor or a liquid battery.

[0014] In a second aspect, the utility model also provides a fire fighting system, the fire fighting system comprising: the fire fighting device mentioned above, and also comprising a fire extinguisher connected to the fire fighting device.

[0015] The embodiments of the present invention have the following beneficial technical effects:

[0016] The embodiment of the utility model provides a fire-fighting device and a fire-fighting system, which are applied to a first energy storage device; the fire-fighting device includes: a connected second energy storage device and a control unit; the second energy storage device is connected in parallel with the first energy storage device through a switch; the first energy storage device stores electrical energy; the switch is in an open state; the control unit is used to control the switch to close if it receives fire information or maintenance instructions from the first energy storage device, so as to connect the second energy storage device in parallel with the first energy storage device; control the first energy storage device to perform a discharge operation, and control the second energy storage device to store the electrical energy released by the first energy storage device, so as to realize the energy transfer of the first energy storage device. The fire-fighting device achieves the purpose of rapid fire extinguishing and improves fire safety by transferring a large amount of energy accumulated inside the energy storage device.

[0017] Other features and advantages disclosed in this embodiment will be described in the subsequent description, or some features and advantages can be inferred or determined without doubt from the description, or can be learned by implementing the above-mentioned technology of the present disclosure.

[0018] In order to make the above-mentioned objectives, features and advantages of the present disclosure more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of a fire-fighting device provided by an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of a use scenario of a fire-fighting device provided in an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of another use scenario of a fire-fighting device provided in an embodiment of the utility model;

[0023] Figure 4 A schematic diagram of a fire protection system provided in an embodiment of the utility model.

[0024] Icons: 11 - second energy storage device; 12 - control unit; 13 - switch; 21 - battery module; 22 - battery cluster; 41 - fire fighting device; 42 - fire extinguisher. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] At present, the fire protection measures for energy storage equipment are basically to retard the storage device by cooling or isolating oxygen. However, at this time, a large amount of energy is still stored inside the energy storage device, resulting in poor safety of the above traditional flame retardant technology during operation.

[0027] Based on this, the embodiment of the utility model provides a fire-fighting device and a fire-fighting system, which transfers a large amount of energy stored in the energy storage device to achieve the purpose of rapid fire extinguishing and improve fire safety. To facilitate understanding of the embodiment of the utility model, a fire-fighting device disclosed in the embodiment of the utility model is first introduced in detail.

[0028] Example 1

[0029] In this embodiment, Figure 1 A schematic diagram of a fire-fighting device provided in an embodiment of the utility model.

[0030] Furthermore, the fire-fighting device is applied to the first energy storage device.

[0031] Depend on Figure 1 As can be seen, the fire fighting device comprises: a second energy storage device 11 and a control unit 12 connected to each other; the second energy storage device 11 is connected in parallel with the first energy storage device through a switch; the first energy storage device stores electrical energy; the switch is in an off state;

[0032] The control unit 12 is used to control the switch to close if it receives fire information or maintenance instructions from the first energy storage device, so as to connect the second energy storage device 11 in parallel with the first energy storage device; control the first energy storage device to perform a discharge operation, and control the second energy storage device to store the electrical energy released by the first energy storage device, so as to realize the energy transfer of the first energy storage device.

[0033] Furthermore, the first energy storage device is a battery module; and the second energy storage device 11 is a flywheel energy storage device.

[0034] Furthermore, there are multiple battery modules; multiple battery modules are connected in series to form a battery cluster 22; each battery cluster 22 is sequentially connected to an external high-voltage distribution box, a DC / DC conversion device, an energy storage inverter and a power grid.

[0035] For ease of understanding, Figure 2 A schematic diagram of a usage scenario of a fire-fighting device provided in an embodiment of the utility model.

[0036] Depend on Figure 2 As can be seen, this usage scenario is a commonly used energy storage method for industry and commerce. Further, the second energy storage device 11 can be connected in parallel to both ends of one or more battery modules 21 through the switch 13 according to actual needs.

[0037] Furthermore, the battery module 21 is also connected to an external high-voltage power box, a DC / DC conversion device, a bidirectional energy storage converter and a power grid.

[0038] Furthermore, Figure 3 A schematic diagram of another usage scenario of a fire-fighting device provided in an embodiment of the utility model.

[0039] Depend on Figure 3 As can be seen, this usage scenario is a common energy storage method for large-scale wind and solar energy storage. Further, the second energy storage device 11 is connected in parallel at both ends of all battery clusters 22 and is disconnected by a switch. The second energy storage device 11 can be connected in parallel at both ends of one or some battery clusters 22 as needed.

[0040] Here, for ease of understanding, Figure 3 Only the case where the number of battery clusters 22 is two is shown.

[0041] Furthermore, each of the battery clusters 22 is connected to a high-voltage electric box and a DC / DC conversion device, and a plurality of high-voltage electric boxes are connected to a bidirectional energy storage converter and a power grid.

[0042] For the usage scenarios of the above-mentioned fire-fighting devices, when the control unit receives fire information or maintenance instructions, the control unit will control the power grid to disconnect from the battery module.

[0043] In an actual case, the number of the above-mentioned battery modules is 10; each battery module stores 20kWh; the power of the above-mentioned flywheel energy storage device is 240kW; and the energy storage capacity of the above-mentioned flywheel energy storage device is 200kWh.

[0044] Furthermore, the above practical case can completely transfer the energy in the battery module within 5 to 30 minutes.

[0045] Similarly, if the usage scenario of the fire protection system includes a battery cluster formed by multiple battery modules, the specifications of the flywheel energy storage device can also be calculated in the same way.

[0046] Furthermore, the flywheel energy storage device includes: a bidirectional energy storage inverter, an electric motor and a flywheel; the flywheel energy storage device converts the electric energy released by the first energy storage device into alternating current through the bidirectional energy storage inverter, so as to drive the electric motor to rotate the flywheel through the alternating current, thereby realizing the energy transfer of the first energy storage device.

[0047] In actual operation, the control unit 12 is connected to an external fire sensing device; the fire sensing device is used to obtain the fire information of the environment in which the first energy storage device is located, and transmit the fire information to the control unit 12.

[0048] Here, the types of the fire sensing devices include: temperature sensors, infrared sensors and smoke sensors.

[0049] In one embodiment, the control unit 12 is an energy management system; the energy management system is communicatively connected with the first energy storage device and the second energy storage device.

[0050] In one embodiment, the second energy storage device 11 is a superconducting energy storage device, a pumped storage device, a supercapacitor or a liquid battery.

[0051] Furthermore, when an abnormality is detected in the first energy storage device, the electric energy of the first energy storage device can be transferred to the second energy storage device to avoid the occurrence of fire at the root.

[0052] The utility model provides a fire-fighting device and a fire-fighting system, which are applied to a first energy storage device; the fire-fighting device includes: a connected second energy storage device and a control unit; the second energy storage device is connected in parallel with the first energy storage device through a switch; the first energy storage device stores electrical energy; the switch is in an open state; the control unit is used to control the switch to close if it receives fire information or maintenance instructions from the first energy storage device, so as to connect the second energy storage device in parallel with the first energy storage device; control the first energy storage device to perform a discharge operation, and control the second energy storage device to store the electrical energy released by the first energy storage device, so as to realize the energy transfer of the first energy storage device. The fire-fighting device achieves the purpose of rapid fire extinguishing and improves fire safety by transferring a large amount of energy accumulated inside the energy storage device.

[0053] Example 2

[0054] Based on the above embodiments, Figure 4A schematic diagram of a fire protection system provided in an embodiment of the utility model.

[0055] Depend on Figure 4 As can be seen, the fire fighting system includes: the fire fighting device 41 of the above embodiment, and also includes a fire extinguisher 42 connected to the fire fighting device 41.

[0056] In this embodiment, when the control unit receives the fire information of the first energy storage device, it first extinguishes the fire of the first energy storage device in a traditional way through a fire extinguisher, and then transfers energy through the fire-fighting device 41, so as to quickly extinguish the fire and prevent it from re-igniting.

[0057] The light-emitting device provided in this embodiment has the same technical features as the pulse xenon lamp power supply provided in the above-mentioned embodiment 1, so it can also solve the same technical problems and achieve the same technical effects. Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working process of the light-emitting device described above can refer to the corresponding structure of the pulse xenon lamp power supply in the above-mentioned embodiment 1, and will not be repeated here.

[0058] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0059] In the description of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Finally, it should be explained that the above embodiments are only used to illustrate the technical solution of the present utility model, not to limit it; although the present utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A fire fighting device, characterized in that: Applied to a first energy storage device; the fire fighting device comprises: a connected second energy storage device and a control unit; the second energy storage device is connected in parallel with the first energy storage device via a switch; the first energy storage device stores electrical energy; the switch is in an open state; The control unit is used to control the switch to close if fire information or maintenance instructions are received from the first energy storage device, so as to connect the second energy storage device in parallel with the first energy storage device; control the first energy storage device to perform a discharge operation, and control the second energy storage device to store the electrical energy released by the first energy storage device, so as to realize energy transfer of the first energy storage device.

2. The fire fighting device according to claim 1, characterized in that: The first energy storage device is a battery module; the second energy storage device is a flywheel energy storage device.

3. The fire fighting device according to claim 2, characterized in that: There are multiple battery modules; multiple battery modules are connected in series to form a battery cluster; each battery cluster is connected to an external high-voltage distribution box, a DC / DC conversion device, an energy storage inverter and a power grid in sequence.

4. The fire fighting device according to claim 3, characterized in that: The number of the battery modules is 10; each battery module stores 20kWh; the power of the flywheel energy storage device is 240kW; the energy storage capacity of the flywheel energy storage device is 200kWh.

5. The fire fighting device according to claim 2, characterized in that: The flywheel energy storage device comprises: a bidirectional energy storage inverter, a motor and a flywheel; The flywheel energy storage device converts the electric energy released by the first energy storage device into alternating current through the bidirectional energy storage inverter, so as to drive the motor to rotate the flywheel through the alternating current, thereby realizing energy transfer of the first energy storage device.

6. The fire fighting device according to claim 1, characterized in that: The control unit is connected to an external fire sensing device; The fire condition sensing device is used to obtain the fire condition information of the environment in which the first energy storage device is located, and transmit the fire condition information to the control unit.

7. The fire fighting device according to claim 6, characterized in that: The types of fire sensing devices include: temperature sensors, infrared sensors and smoke sensors.

8. The fire fighting device according to claim 1, characterized in that: The control unit is an energy management system; the energy management system is communicatively connected with the first energy storage device and the second energy storage device.

9. The fire fighting device according to claim 1, characterized in that: The second energy storage device is a superconducting energy storage device, a pumped storage device, a supercapacitor or a liquid battery.

10. A fire fighting system, characterized in that: The fire fighting system comprises: the fire fighting device according to any one of claims 1 to 9, and also comprises a fire extinguisher connected to the fire fighting device.

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