Equipment for energy storage and fire protection of lithium iron phosphate battery

By using high-vacuum insulated gas cylinders and Stirling refrigerators in fire-fighting energy storage equipment in combination with liquid nitrogen extinguishing agents and automated control components, the problems of traditional equipment being unable to permanently store extinguishing agents and achieve automated control are solved, thus realizing low-cost, high-efficiency fire extinguishing and improved safety.

CN223716254UActive Publication Date: 2025-12-26HEBEI RUNFENG CRYOGENIC EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423109971.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-26
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Traditional fire-fighting energy storage equipment cannot permanently store extinguishing agents, cannot achieve low-cost permanent storage of extinguishing agents, and the equipment components are not energy-efficient and cannot achieve automated control, which reduces fire-fighting efficiency and personal safety.

Method used

By combining a high-vacuum insulated gas cylinder with a Stirling refrigeration unit, using liquid nitrogen as the extinguishing agent, and achieving automated control through components such as pressure sensors and pneumatic valves, a novel extinguishing agent storage structure is designed to permanently store the extinguishing agent using electrical energy, enabling remote or automatic fire extinguishing.

Benefits of technology

It achieves low-cost and high-efficiency fire extinguishing, improves fire extinguishing efficiency and safety, reduces usage costs, and ensures the personal safety of firefighters.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223716254U_ABST
    Figure CN223716254U_ABST
Patent Text Reader

Abstract

The utility model discloses equipment for energy storage and fire protection of a lithium iron phosphate battery. The equipment comprises a high-vacuum heat-insulation gas cylinder, a Stirling cryocooler, a pressure sensor, a liquid inlet pipe, a liquid outlet pipe, an evacuation port, a vacuum measurement port and an inner container, the upper surface of the high-vacuum heat-insulation gas cylinder is fixedly connected with a Stirling cryocooler, the output end of the Stirling cryocooler is fixedly connected with a refrigeration adapter, the outer wall of one side of the refrigeration adapter is sleeved with a refrigeration pipe, and the output end of the refrigeration pipe is fixedly connected with an inner container; according to the utility model, a novel fire extinguishing agent storage structure is designed, liquid nitrogen is used as a fire extinguishing agent, a high-vacuum heat-insulating gas cylinder or storage tank is used as a container, and the Stirling cryocooler is arranged at the top, so that the liquid nitrogen can be permanently stored at low cost, and the fire extinguishing agent liquid nitrogen can be permanently stored by utilizing electric energy to achieve efficient fire extinguishing; meanwhile, an automatic assembly is designed, sensing assemblies such as a pressure sensor and a pneumatic valve are combined into an automatic fire extinguishing system, and remote or automatic control fire extinguishing is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to low temperature fire extinguishing technology field especially relates to equipment for lithium iron phosphate battery energy storage fire fighting. BACKGROUND

[0002] ‌Fire-fighting energy storage equipment plays a crucial role in ensuring safety, preventing and controlling fires. They can quickly respond to fires through efficient and rapid fire extinguishing mechanisms, effectively control the fire, protect personnel and property safety, and release stored energy quickly when a fire occurs. Fire-fighting energy storage equipment can quickly extinguish initial fires by spraying fire extinguishing agents or activating other fire extinguishing mechanisms, preventing the spread of fire. These devices do not produce any harmful substances and do not cause secondary harm to the environment and human body, ensuring the safety of use. They can be recycled, reducing resource waste and environmental pollution, and meeting the requirements of sustainable development. At the same time, they combine fire detection, alarm, and fire extinguishing functions, and improve the comprehensive performance and response speed of the equipment through intelligent management. The emergence of fire-fighting energy storage equipment has promoted the innovation and development of fire-fighting technology and brought new solutions and technical means to the fire-fighting field.

[0003] However, traditional fire-fighting energy storage equipment cannot meet people's needs, and has the following defects: first, it does not design a new fire extinguishing agent storage structure. There is no similar product on the market for lithium iron phosphate battery energy storage fire fighting equipment, which cannot achieve low-cost permanent storage of fire extinguishing agents, cannot achieve efficient fire extinguishing, and the equipment components do not have the advantages of high efficiency, energy saving, low carbon and environmental protection. The labor cost cannot be saved, and the fire extinguishing efficiency of the device cannot be effectively improved. Second, it does not design an automatic component, which cannot be automatically processed according to the site conditions and needs to be operated manually. It cannot effectively realize remote or automatic control of fire extinguishing, cannot effectively ensure the personal safety of fire-fighting personnel, and reduces the fire extinguishing efficiency and effect of the device. UTILITY MODEL CONTENT

[0004] The utility model aims to provide equipment for lithium iron phosphate battery energy storage fire fighting to solve the problems raised in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: the equipment for lithium iron phosphate battery energy storage fire -fighting, including high vacuum heat insulation gas cylinder, the upper surface fixed connection of high vacuum heat insulation gas cylinder has stirling refrigerator, the output fixed connection of stirling refrigerator has refrigeration adapter, and the side outer wall of refrigeration adapter is sleeved with refrigeration pipe, and the output end of refrigeration pipe is sleeved with the output end of stirling refrigerator, the output fixed connection of refrigeration pipe has inner bag, and the inner bag is arranged in high vacuum heat insulation gas cylinder, the side outer wall of high vacuum heat insulation gas cylinder is opened gas phase mouth, and the side outer wall of gas phase mouth is sleeved with air pressure pipe, and one end of air pressure pipe is fixedly connected on the inner bag, the side outer wall of air pressure pipe is fixedly connected with pressure sensor, and one end of air pressure pipe is fixedly connected with sensor connector.

[0006] As a further technical scheme of the utility model, the side outer wall of the air pressure pipe is fixedly connected with an overflow pipe, the side outer wall of the overflow pipe is fixedly connected with a first pneumatic valve, the other side outer wall of the air pressure pipe is fixedly connected with an air inlet pipe, and the side outer wall of the air inlet pipe is fixedly connected with a second pneumatic valve.

[0007] As a further technical scheme of the utility model, the side outer wall of the high vacuum heat insulation gas cylinder is provided with an inlet and outlet port, the side outer wall of the inlet and outlet port is sleeved with a transport pipe, and one end of the transport pipe is fixedly connected to the lower surface of the inner bag.

[0008] As a further technical scheme of the utility model, the other end of the transport pipe is fixedly connected with an inlet pipe and an outlet pipe, the side outer wall of the inlet pipe is fixedly connected with a first electronic valve, and the side outer wall of the outlet pipe is fixedly connected with a second electronic valve.

[0009] As a further technical scheme of the utility model, the lower surface of the inner bag is fixedly connected with a connecting piece, the lower surface of the connecting piece is fixedly connected with a base, and the base is fixedly connected to the side outer wall of the high vacuum heat insulation gas cylinder.

[0010] As a further technical scheme of the utility model, the side outer wall of the high vacuum heat insulation gas cylinder is fixedly connected with a mounting bracket, and the lower surface of the mounting bracket is fixedly connected with a pulley.

[0011] As a further technical scheme of the utility model, the upper surface of the high vacuum heat insulation gas cylinder is provided with an evacuation port and a vacuum measurement port.

[0012] Compared with the prior art, the utility model discloses the beneficial effect reached is: the utility model discloses a novel fire extinguishing agent storage structure, liquid nitrogen is fire extinguishing agent, liquid nitrogen temperature is extremely low, can reach -196 DEG C, can effectively prevent fire, also can rapidly and efficiently reduce the ignition point temperature, and adopt high vacuum heat insulation gas cylinder or storage tank as the container, the top is provided with stirling refrigerator, can realize low -cost permanent preservation liquid nitrogen, utilize the electric energy permanent preservation fire extinguishing agent liquid nitrogen, reach high -efficient fire extinguishing, and structural assembly energy -efficient, low carbon environmental protection, effectively save the artificial cost, improve the fire extinguishing efficiency of device, reduce the use cost, and simultaneously design has the automation component, adopts pressure sensor, pneumatic valve and so on induction component and enters automatic fire extinguishing system, realizes remote or automatic control fire extinguishing, effectively guarantees the personal safety of fire fighting operator, improves the fire extinguishing efficiency of device, effectively promotes the fire extinguishing effect of device. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0014] Figure 1 It is the front view structural schematic drawing of the utility model,

[0015] Figure 2 It is the top view structural schematic drawing of the utility model,

[0016] Figure 3 It is the front view structural schematic drawing of the bottle body of the utility model,

[0017] Figure 4 It is the top view structural schematic drawing of the bottle body of the utility model,

[0018] Figure 5 It is the front view sectional structure schematic drawing of the utility model,

[0019] Figure 6 It is the front view structural schematic drawing of the inlet and outlet pipe of the utility model.

[0020] In the figure: 1, high vacuum insulation cylinder; 2, pulley; 3, mounting bracket; 4, Stirling refrigerator; 5, sensor joint; 6, pressure sensor; 7, first pneumatic valve; 8, second pneumatic valve; 9, first electronic valve; 10, liquid inlet pipe; 11, second electronic valve; 12, liquid outlet pipe; 13, overflow pipe; 14, air inlet pipe; 15, evacuation port; 16, vacuum measurement port; 17, inner container; 18, connecting piece; 19, base; 20, transport pipe; 21, refrigeration pipe; 22, refrigeration adapter; 23, air pressure pipe; 24, gas phase port; 25, liquid inlet and outlet port. DETAILED DESCRIPTION

[0021] In order to make the technical scheme of the utility model embodiment and the advantages clearer, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to the drawings Figure 1 - the drawings Figure 6The utility model provides an equipment for lithium iron phosphate battery energy storage fire fighting, including high vacuum heat insulation gas cylinder 1, the upper surface fixed connection of high vacuum heat insulation gas cylinder 1 has stirling refrigerator 4, the output fixed connection of stirling refrigerator 4 has refrigeration adapter 22, and the outside wall of one side of refrigeration adapter 22 is sleeved with refrigeration pipe 21, and refrigeration pipe 21 is sleeved in the output of stirling refrigerator 4, and the output fixed connection of refrigeration pipe 21 has inner bag 17, and inner bag 17 sets up in high vacuum heat insulation gas cylinder 1, and the outside wall of one side of high vacuum heat insulation gas cylinder 1 is opened gas phase mouth 24, and the outside wall of one side of gas phase mouth 24 is sleeved with gas pressure pipe 23, and one end of gas pressure pipe 23 is fixedly connected on inner bag 17, and the outside wall of one side of gas pressure pipe 23 is fixedly connected with pressure sensor 6, and one end of gas pressure pipe 23 is fixedly connected with sensor joint 5, the outside wall of one side of gas pressure pipe 23 is fixedly connected with overflow pipe 13, the outside wall of one side of overflow pipe 13 is fixedly connected with first pneumatic valve 7, the outside wall of one side of gas pressure pipe 23 is fixedly connected with air inlet pipe 14, the outside wall of one side of air inlet pipe 14 is fixedly connected with second pneumatic valve 8, and overflow pipe 13 is used for discharging the excess liquid in inner bag 17, and air inlet pipe 14 is used for adding the required gas in inner bag 17, the outside wall of one side of high vacuum heat insulation gas cylinder 1 is opened inlet and outlet liquid port 25, the outside wall of one side of inlet and outlet liquid port 25 is sleeved with transport pipe 20, and one end of transport pipe 20 is fixedly connected to the lower surface of inner bag 17, inlet and outlet liquid port 25 is used for installing transport pipe 20, the other end of transport pipe 20 is fixedly connected with liquid inlet pipe 10 and liquid outlet pipe 12, the outside wall of one side of liquid inlet pipe 10 is fixedly connected with first electronic valve 9, the outside wall of one side of liquid outlet pipe 12 is fixedly connected with second electronic valve 11, liquid inlet pipe 10 is used for adding the required extinguishing agent liquid nitrogen in inner bag 17, and liquid outlet pipe 12 is used for connecting fire extinguishing device to extinguish fire, the lower surface of inner bag 17 is fixedly connected with connecting piece 18, the lower surface of connecting piece 18 is fixedly connected with base 19, and base 19 is fixedly connected on the outside wall of one side of high vacuum heat insulation gas cylinder 1, and connecting piece 18 and base 19 are used for installing inner bag 17, the outside wall of one side of high vacuum heat insulation gas cylinder 1 is fixedly connected with mounting bracket 3, the lower surface of mounting bracket 3 is fixedly connected with pulley 2, and mounting bracket 3 is used for installing high vacuum heat insulation gas cylinder 1, the upper surface of high vacuum heat insulation gas cylinder 1 is opened evacuation port 15 and measure vacuum port 16, evacuation port 15 is used for connecting vacuumizing equipment to extract vacuum in the inside of device, makes the gas in device be extracted, reaches vacuum state, and measure vacuum port 16 is used for connecting measuring device to detect the gas in inner bag 17, to ensure that the inside reaches vacuum state, and vacuum layer can significantly reduce heat transfer, slow down the evaporation speed of liquid nitrogen, thereby prolongs the preservation time of liquid nitrogen, reduces use cost.

[0023] Working principle: the energy storage of the fire extinguishing agent is carried out by assembling the device, the inner container 17 is welded with the high vacuum heat insulation cylinder 1, the raw material body is composed of austenitic stainless steel, the inner container 17 is installed through the connecting piece 18 and the base 19, the heat insulation is wound on the shell, and the external components are welded, after the installation of the high vacuum heat insulation cylinder 1 is completed, the high vacuum heat insulation cylinder 1 is installed through the mounting bracket 3, and the high vacuum heat insulation cylinder 1 can be conveniently moved through the installation pulley 2, after the assembly of the equipment is completed, the inner container 17 is vacuumized through the vacuumizing device connected with the evacuation port 15, the gas in the device is extracted, reaches the vacuum state, and the gas in the inner container 17 is detected through the measuring device connected with the vacuum measuring port 16, so that the vacuum state in the inner container 17 is ensured, the vacuum layer can significantly reduce heat transfer, the evaporation speed of liquid nitrogen is slowed down, the storage time of liquid nitrogen is prolonged, the use cost is reduced, after the extraction of the vacuum state is completed, various valves, pressure gauges and the like are assembled, and the Stirling refrigeration machine 4 and the power supply and the like control equipment are installed, in use, the pressure in the inner container 17 is detected through the pressure sensor 6, when the pressure in the bottle rises to the set value, the Stirling refrigeration machine 4 starts to work and refrigerate, the refrigeration gas is transported into the inner container 17 through the refrigeration pipe 21 and the refrigeration adapter 22, so that the internal pressure is reduced, and the refrigeration machine stops working when the internal pressure is reduced to the set low pressure value, so that the liquid nitrogen is stored for a long time, the device uses liquid nitrogen as the fire extinguishing agent, the temperature of liquid nitrogen is extremely low, can reach-196 DEG C, can effectively block the fire, and can quickly and efficiently reduce the ignition point temperature, and adopts the high vacuum heat insulation cylinder 1 or the storage tank as the container, the Stirling refrigeration machine 4 is arranged at the top, the liquid nitrogen can be permanently stored at low cost, the fire extinguishing agent liquid nitrogen is permanently stored by using electric energy, high-efficiency fire extinguishing is achieved, the structure components are energy-efficient, low-carbon and environmentally friendly, the labor cost is effectively saved, the fire extinguishing efficiency of the device is improved, the use cost is reduced, the first pneumatic valve 7 and the second pneumatic valve 8 are used for controlling the overflow pipe 13 and the air inlet pipe 14, the required gas is added to the inside of the equipment through the air inlet pipe 14, and the excess liquid in the inside is quickly discharged through the overflow pipe 13, so that the fire extinguishing agent in the inner container 17 is not affected, the overflow pipe 13 and the air inlet pipe 14 are connected with the inner container 17 through the air pressure pipe 23, the air pressure pipe 23 is installed through the gas phase port 24, the first electronic valve 9 and the second electronic valve 11 are used for controlling the liquid inlet pipe 10 and the liquid outlet pipe 12, the required fire extinguishing agent liquid nitrogen is added to the inner container 17 through the liquid inlet pipe 10, the fire source is extinguished by connecting the liquid outlet pipe 12 with the fire extinguishing equipment, the liquid inlet pipe 10 and the liquid outlet pipe 12 are connected with the inner container 17 through the transportation pipe 20, the transportation pipe 20 is installed through the liquid inlet and outlet port 25, the device adopts the pressure sensor 6, the pneumatic valve and the like sensing components and is integrated into the automatic fire extinguishing system, remote or automatic control of fire extinguishing is realized, the personal safety of the fire fighting personnel is effectively ensured, the fire extinguishing efficiency of the device is improved, and the fire extinguishing effect of the device is effectively improved.The sensor joint 5 is used for adapting, converting and protecting the sensor signal, ensuring accurate transmission and efficient processing of information.

[0024] In the description of the utility model, it is explained that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separated, and the components displayed as units can or can not be physical units, that is, they can be located in one place, or distributed on multiple network units. According to the actual needs, part or all of the modules can be selected to realize the purpose of the embodiment scheme. Those skilled in the art can understand and implement without creative labor.

[0026] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model, but not to limit it; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model embodiments.

Claims

1. A device for lithium iron phosphate battery energy storage for fire fighting, comprising a high vacuum insulated gas cylinder (1), characterized in that: The upper surface of the high-vacuum insulated gas cylinder (1) is fixedly connected with a Stirling refrigerator (4), the output end of the Stirling refrigerator (4) is fixedly connected with a refrigeration adapter (22), a refrigeration pipe (21) is sleeved on one side outer wall of the refrigeration adapter (22), and the refrigeration pipe (21) is sleeved on the output end of the Stirling refrigerator (4), the output end of the refrigeration pipe (21) is fixedly connected with an inner container (17), and the inner container (17) is arranged in the high-vacuum insulated gas cylinder (1), a gas phase port (24) is formed in one side outer wall of the high-vacuum insulated gas cylinder (1), a gas pressure pipe (23) is sleeved on one side outer wall of the gas phase port (24), one end of the gas pressure pipe (23) is fixedly connected to the inner container (17), a pressure sensor (6) is fixedly connected on one side outer wall of the gas pressure pipe (23), and one end of the gas pressure pipe (23) is fixedly connected with a sensor connector (5).

2. The device for lithium iron phosphate battery energy storage for fire fighting according to claim 1, characterized in that: The one side outer wall of the gas pressure pipe (23) is fixedly connected with an overflow pipe (13), the one side outer wall of the overflow pipe (13) is fixedly connected with a first pneumatic valve (7), the other side outer wall of the gas pressure pipe (23) is fixedly connected with an air inlet pipe (14), and the one side outer wall of the air inlet pipe (14) is fixedly connected with a second pneumatic valve (8).

3. The device for lithium iron phosphate battery energy storage for fire fighting according to claim 1, characterized in that: The one side outer wall of the high-vacuum insulated gas cylinder (1) is provided with an inlet and outlet port (25), the inlet and outlet port (25) is sleeved with a transportation pipe (20), and one end of the transportation pipe (20) is fixedly connected to the lower surface of the inner container (17).

4. The device for lithium iron phosphate battery energy storage for fire fighting according to claim 3, characterized in that: The other end of the transportation pipe (20) is fixedly connected with an inlet pipe (10) and an outlet pipe (12), the one side outer wall of the inlet pipe (10) is fixedly connected with a first electronic valve (9), and the one side outer wall of the outlet pipe (12) is fixedly connected with a second electronic valve (11).

5. The device for lithium iron phosphate battery energy storage for fire fighting according to claim 1, characterized in that: The lower surface of the inner container (17) is fixedly connected with a connecting piece (18), the lower surface of the connecting piece (18) is fixedly connected with a base (19), and the base (19) is fixedly connected to one side outer wall of the high-vacuum insulated gas cylinder (1).

6. The device for lithium iron phosphate battery energy storage for fire fighting according to claim 1, characterized in that: The one side outer wall of the high-vacuum insulated gas cylinder (1) is fixedly connected with a mounting bracket (3), and the lower surface of the mounting bracket (3) is fixedly connected with a pulley (2).

7. The device for lithium iron phosphate battery energy storage for fire fighting according to claim 6, characterized in that: The upper surface of the high-vacuum insulated gas cylinder (1) is provided with an evacuation port (15) and a vacuum measurement port (16).