CN216529054U - Energy storage battery fire protection device and energy storage system - Google Patents
Energy storage battery fire protection device and energy storage system Download PDFInfo
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- CN216529054U CN216529054U CN202123113300.5U CN202123113300U CN216529054U CN 216529054 U CN216529054 U CN 216529054U CN 202123113300 U CN202123113300 U CN 202123113300U CN 216529054 U CN216529054 U CN 216529054U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides an energy storage battery fireproof device and an energy storage system, which relate to the technical field of storage of energy storage batteries and comprise a storage main body, an energy storage battery and a protection main body; the cooling liquid is placed in the containing groove of the storage main body, and the protection main body is soaked in the cooling liquid in the containing groove; the protection main body can prevent the energy storage battery from contacting with the cooling liquid in a blocking state, and when the energy storage battery normally operates, the cooling liquid can cool the energy storage battery on the basis that the protection main body can prevent the cooling liquid from directly contacting with the energy storage battery; when the state of energy storage battery reached the dangerous condition, utilize the coolant liquid directly with the contact of energy storage battery for energy storage battery can obtain the cooling rapidly, and the energy storage battery that is located the coolant liquid can not stretch to adjacent energy storage battery again, has solved how to reduce fire extinguishing system's cost and in time effectual control energy storage battery's battery package thermal runaway and has avoided energy storage battery thermal runaway to produce a large amount of heats and stretch to adjacent energy storage battery's technical problem.
Description
Technical Field
The utility model relates to the technical field of storage of energy storage batteries, in particular to an energy storage battery fireproof device and an energy storage system.
Background
The energy storage technology is an important means for meeting the large-scale intervention of renewable energy sources, and is also an important component of a distributed energy system and the electric automobile industry; the energy storage battery has the advantages of high efficiency, good dynamic characteristic, high service life, little influence from terrain and the like, and is widely applied to scenes such as energy storage power stations and battery replacement power stations. However, due to the activity of the electrode of the energy storage battery and the instability of the electrolyte, during the use process, for example, the external circuit of the energy storage battery is short-circuited; short circuit occurs in the internal material of the energy storage battery; overcharging; the energy storage battery is triggered to generate thermal runaway due to mechanical damage and the like caused by impact and extrusion, chemical reaction is generated among internal materials of the energy storage battery to release heat, fire or explosion accidents are caused, and the safety performance of an energy storage power station is seriously influenced.
In the prior art, the energy storage battery equipment is generally installed on the ground, and fire fighting is carried out through fire extinguishers, fire detecting tubes, water spraying and the like.
However, the fire fighting modes in the prior art all have certain defects, the fire extinguisher needs manual operation, the timeliness is poor, the fire is put out manually, and the personal safety is endangered; the fire detecting tube needs to store a certain amount of fire extinguishing agent, the price of the fire extinguishing agent is high, the using amount of the fire extinguishing agent is limited, and the fire striking position is not necessarily at the position where the fire detecting tube is arranged; the water spray fire extinguishing system needs external fire-fighting water pipe, need the electrical system discernment condition of a fire simultaneously, and spray water through the control of electromagnetism water valve, the system needs to be switched on for a long time, the unable external fire-fighting water pipe of a lot of remote stations, consequently, current water spray fire extinguishing system cost is high, in addition, current water spray fire extinguishing system also can't be timely effectual control energy storage battery's battery package thermal runaway, it can stretch to adjacent energy storage battery rapidly to lead to energy storage battery thermal runaway to produce a large amount of heat, it stretches promptly to be difficult to the thermal runaway of suppression group battery, and then still there is the higher risk that causes the group battery to take place the conflagration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an energy storage battery fireproof device and an energy storage system, and aims to solve the technical problems of reducing the cost of a fire protection system, timely and effectively controlling thermal runaway of a battery pack of an energy storage battery and avoiding the phenomenon that a large amount of heat generated by the thermal runaway of the energy storage battery is spread to an adjacent energy storage battery.
The utility model provides an energy storage battery fire protection device, which comprises: the energy storage device comprises a storage main body, an energy storage battery and a protection main body;
the storage main body is provided with a containing groove, the containing groove of the storage main body is used for containing cooling liquid, the protection main body is provided with a containing space, the energy storage battery is positioned in the containing space, and the protection main body is placed in the containing groove so as to be soaked in the cooling liquid in the containing groove;
the protection main part includes protection portion, protection portion has separation state and release state, protection main part is used for the separation at the separation state energy storage battery contacts with the coolant liquid, works as when energy storage battery's state reached the dangerous condition, energy storage battery is used for with protection portion switches into the release state by the separation state, so that energy storage battery contacts with the coolant liquid.
In a preferred embodiment of the present invention, the storage body includes a case and a top cover;
the storage tank is located inside the box body, the top cover is connected with the box body in a sealing mode, and the box body is used for being embedded underground.
In the preferred embodiment of the utility model, the device also comprises an overflow pipe;
the storage main body comprises a box body and a top cover; the storage tank is located inside the box body, the top cover is connected with the box body in a sealing mode, one end, away from the top cover, of the box body is used for being embedded underground, the overflow pipe is located at one end, higher than the ground, of the box body, the overflow pipe is connected with the side wall of the box body, the overflow pipe is communicated with the storage tank, and the overflow pipe is located at the top of cooling liquid of the storage tank.
In a preferred embodiment of the present invention, the plurality of protection main bodies are disposed in the accommodating groove at intervals, and at least one energy storage battery is disposed in each protection main body.
In a preferred embodiment of the utility model, the protective body comprises a waterproof casing;
the energy storage battery is located inside the accommodating space of the waterproof shell, the energy storage battery is attached to the inner wall of the waterproof shell, and the waterproof shell is made of a combustible material.
In a preferred embodiment of the present invention, the protection body comprises a waterproof housing, a release mechanism and a pressing water valve;
the energy storage battery and the release mechanism are both positioned in the accommodating space of the waterproof shell, the side wall of the waterproof shell is hermetically connected with the pressing water valve, and the pressing water valve is used for switching the blocking state and the release state of the waterproof shell;
one end of the release mechanism is connected with one end, far away from the pressing water valve, of the waterproof shell, the release mechanism is in contact with the energy storage battery, the release mechanism is in a force static state and a force action state, when the state of the energy storage battery reaches a dangerous condition, the release mechanism is switched to the force action state from the force static state, and the release mechanism is used for adjusting the state of the pressing water valve so that the waterproof shell is switched to the release state from the blocking state.
In a preferred embodiment of the utility model, the release mechanism comprises a counterweight and a connecting rope;
connect the one end of rope with waterproof shell keeps away from press the one end of water valve and connect, connect the other end of rope with the counter weight end is connected, so that the counter weight end hang in press the top of water valve, connect the rope with the energy storage battery contact, connect the rope be used for in the energy storage battery combustion process with waterproof shell separation, so that the counter weight end with press the water valve contact, so that coolant liquid warp in the storage tank press the water valve to get into extremely inside the waterproof shell.
In a preferred embodiment of the utility model, the protective body comprises a waterproof casing and unhooking means;
the energy storage battery is located in the containing space of the waterproof shell, the unhooking device is connected with the top of the storage main body, one end of the waterproof shell is contained in the cooling liquid, a water inlet hole is formed in the other end of the waterproof shell, the waterproof shell is connected with the unhooking device through the water inlet hole, and when the state of the energy storage battery reaches a dangerous condition, the unhooking device is separated from the waterproof shell to enable the waterproof shell to fall into the cooling liquid, so that the cooling liquid in the containing groove enters the waterproof shell through the water inlet hole.
In a preferred embodiment of the present invention, the protection body comprises a waterproof membrane and a puncture mechanism;
the waterproof film cover is located energy storage battery's outside, puncture mechanism is located energy storage battery with between the waterproof film, just puncture mechanism's one end with energy storage battery's the mouth butt that explodes that lets out, puncture mechanism's the other end with waterproof film's inner wall butt, work as when energy storage battery's state reaches dangerous condition, energy storage battery passes through let out and explode a mouthful release pressure, puncture mechanism is used for puncture under energy storage battery's the effect waterproof film, so that coolant liquid in the storage tank with the contact of energy storage battery.
The utility model provides an energy storage system, which comprises a control box, a charging terminal and an energy storage battery fireproof device, wherein the charging terminal is connected with the control box;
the energy storage battery is electrically connected with the charging terminal through the control box.
The utility model provides an energy storage battery fire protection device, which comprises: the energy storage device comprises a storage main body, an energy storage battery and a protection main body; the storage main body is provided with a containing groove, cooling liquid is placed in the containing groove of the storage main body, the protection main body is provided with a containing space, the energy storage battery is located in the containing space, and the protection main body is placed in the containing groove to be soaked in the cooling liquid in the containing groove; the protection main body is provided with a protection part, the protection part is provided with a blocking state and a release state, the protection main body can block the energy storage battery from being in contact with the cooling liquid in the blocking state, namely when the energy storage battery normally runs, the cooling liquid can cool the energy storage battery on the basis that the protection main body can prevent the cooling liquid from being in direct contact with the energy storage battery; when energy storage battery's state reached the dangerous condition, when energy storage battery takes place the highly compressed condition of high temperature promptly, the protection part is switched into the release state by the separation state this moment, inside coolant liquid of storage tank inside can directly enter into the protection main part, utilize the coolant liquid direct and energy storage battery contact, make energy storage battery can obtain the cooling rapidly, and the energy storage battery who is located the coolant liquid can not stretch to adjacent energy storage battery again, the battery package thermal runaway of having solved how to reduce fire extinguishing system and timely effectual control energy storage battery and avoid energy storage battery thermal runaway to produce a large amount of heats and stretch to adjacent energy storage battery's technical problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a fire protection device for an energy storage battery according to an embodiment of the present invention;
fig. 2 is a schematic structural view illustrating a fire protection device of an energy storage battery according to an embodiment of the present invention fully embedded in the ground;
fig. 3 is a schematic structural diagram of a semi-embedded underground fire protection device for an energy storage battery according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an energy storage battery fire protection apparatus provided in an embodiment of the present invention, which is located on the ground;
fig. 5 is a schematic structural diagram of a protection body of a fire protection device for an energy storage battery, which includes a release mechanism and a pressing water valve according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a protective body of a fire protection device for an energy storage battery, which includes a decoupling device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a protection body of a fire protection device for an energy storage battery according to an embodiment of the utility model, the protection body including a puncture mechanism.
Icon: 100-a storage body; 101-cooling liquid; 102-a box body; 103-a top cover; 200-an energy storage battery; 300-a protective body; 301-waterproof housing; 302-a release mechanism; 312-a weight; 322-connecting rope; 303-pressing the water valve; 304-a unhooking device; 305-a waterproof film; 306-a piercing mechanism; 400-overflow pipe; 500-control box; 600-charging terminal.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the fire protection device for an energy storage battery provided in this embodiment includes: the storage body 100, the energy storage battery 200 and the protection body 300; the storage main body 100 is provided with a containing groove, the containing groove of the storage main body 100 is used for containing the cooling liquid 101, the protection main body 300 is provided with a containing space, the energy storage battery 200 is positioned in the containing space, and the protection main body 300 is placed in the containing groove to be soaked in the cooling liquid 101 in the containing groove; protection main part 300 has the protection portion, and the protection portion has separation state and release state, and protection main part 300 is used for separation energy storage battery 200 and coolant liquid 101 contact at the separation state, and when energy storage battery 200's state reached the dangerous condition, energy storage battery 200 is used for switching the protection portion into the release state from the separation state to make energy storage battery 200 and coolant liquid 101 contact.
It should be noted that, the energy storage battery fire protection apparatus provided in this embodiment can hold the energy storage battery 200 that is running inside the storage tank of the storage main body 100, so that the energy storage battery 200 can be immersed in the coolant 101 of the storage tank, wherein the protection main body 300 has a protection portion, wherein the protection portion can be an independent waterproof housing, and also can be a structure for breaking the side wall of the protection main body 300, and the protection portion can make the protection main body 300 directly contact with the energy storage battery 200 in the process of normal running of the energy storage battery 200, when the energy storage battery 200 is in a high-risk condition, for example: the protection body 300 is switched to a release state from a blocking state, the cooling liquid 101 in the accommodating groove can enter the accommodating space of the protection body 300, the energy storage battery 200 is in contact with the cooling liquid 101, the energy storage battery 200 can be rapidly cooled and isolated from air by the aid of the effect of the cooling liquid 101, the energy storage battery 200 can be effectively prevented from being out of control in time, and a fire caused by the fact that the large-scale energy storage battery 200 is spread due to thermal runaway is avoided; alternatively, the cooling liquid 101 may be cooling water, and preferably, a small amount of antifreeze may be added to the cooling water, so that the use of the cooling water in a low-temperature environment can be better ensured.
Optionally, the energy storage battery 200 may be a single battery, may be a battery pack, may also be a battery pack of the battery pack and a BMS controller, and may also be a battery for replacing a battery of a battery replacement station; alternatively, the energy storage battery 200 may be a new battery/battery pack, or may be a stepped battery, wherein the stepped battery may be formed by assembling a plurality of screened independent batteries, which all require a mating BMS; preferably, the energy storage battery 200 adopts a whole set of battery pack directly detached from the vehicle, so that the integrity of the battery pack can be ensured, the internal structure of the battery pack cannot be damaged, and the safety is guaranteed.
The energy storage battery fire protection device that this embodiment provided includes: the storage body 100, the energy storage battery 200 and the protection body 300; the storage main body 100 is provided with a containing groove, the cooling liquid 101 is placed in the containing groove of the storage main body 100, the protection main body 300 is provided with a containing space, the energy storage battery 200 is located in the containing space, and the protection main body 300 is placed in the containing groove to be soaked in the cooling liquid 101 in the containing groove; the protection main body 300 is provided with a protection part, the protection part has a blocking state and a release state, the protection main body 300 can block the energy storage battery 200 from being in contact with the cooling liquid 101 in the blocking state, namely when the energy storage battery 200 normally operates, the cooling liquid 101 can cool the energy storage battery 200 on the basis that the protection main body 300 can prevent the cooling liquid 101 from being in direct contact with the energy storage battery 200; when energy storage battery 200's state reaches the dangerous condition, promptly when energy storage battery 200 takes place the highly compressed condition of high temperature, the protection part is switched into the release state by the separation state this moment, inside coolant liquid 101 of storage tank inside can directly enter into protection main part 300, utilize coolant liquid 101 directly to contact with energy storage battery 200, make energy storage battery 200 can obtain the cooling rapidly, and the energy storage battery 200 that is located coolant liquid 101 can not stretch to adjacent energy storage battery 200 again, how to reduce fire extinguishing system's cost and in time effectual control energy storage battery 200's battery package thermal runaway and avoid energy storage battery 200 thermal runaway to produce a large amount of heat and stretch to the technical problem of adjacent energy storage battery 200.
Alternatively, the storage body 100 may be buried completely, or may be disposed in a semi-buried or fully-buried manner, and further, as shown in fig. 2, in the preferred embodiment of the present invention, the storage body 100 includes a box 102 and a top cover 103; the containing groove is located inside the box body 102, the top cover 103 is connected with the box body 102 in a sealing mode, and the box body 102 is buried underground in an embedded mode.
In the embodiment, the box body 102 and the top cover 103 form a sealed main body, the protective main body 300 with the energy storage battery 200 is arranged inside the box body 102, the cooling liquid 101 is arranged inside the box body 102, and the box body 102 is completely accommodated and embedded underground, so that the box body 102 is not needed, and the ground cost is solved; the electric control fire fighting is not needed any more, the electric control cost is saved, and the mechanical fire fighting through the protection main body 300 is maintenance-free and long-term and reliable; does not need a drainage pipeline and is suitable for long-term use.
In the preferred embodiment of the present invention, an overflow pipe 400 is further included; the storage body 100 includes a case 102 and a top cover 103; the containing groove is located inside the box body 102, the top cover 103 is connected with the box body 102 in a sealing mode, one end, away from the top cover 103, of the box body 102 is used for being embedded underground, the overflow pipe 400 is located at one end, higher than the ground, of the box body 102, the overflow pipe 400 is connected with the side wall of the box body 102, the overflow pipe 400 is communicated with the containing groove, and the overflow pipe 400 is located at the top of the cooling liquid 101 in the containing groove.
As shown in fig. 3, in this embodiment, the box 102 and the top cover 103 form a sealed body, the protective body 300 with the energy storage battery 200 placed therein is arranged inside the box 102, the cooling liquid 101 is arranged inside the box 102, the mode that the box 102 is located under the semi-embedded ground is utilized, the top of the box 102 is higher than the ground, rainwater backflow in heavy rain is prevented, an overflow pipe 400 is arranged at a position slightly higher than the normal water level of the cooling liquid 101 inside the box 102, the overflow pipe 400 has the function of automatically discharging excessive water through the overflow pipe 400 when an accident occurs, such as rainwater immersion in a water pool caused by breakage of the top cover 103, and the water level is too high, so that rainwater backflow is prevented, and the construction cost of the semi-embedded ground mode is low, and the protective body is suitable for popularization and application.
As shown in fig. 4, when the construction site cannot meet the underground pre-buried method, the storage main body 100 may be completely disposed on the ground, and at this time, an overflow pipe 400 may still be disposed at a position slightly higher than the normal water level of the coolant 101 inside the tank 102, and when the water level inside the tank 102 is too high, the overflow pipe 400 may be used to automatically discharge excessive water, and at the same time, water may be injected into the just completed tank 102 through the overflow pipe 400.
In the preferred embodiment of the present invention, a plurality of protection bodies 300 are provided, the plurality of protection bodies 300 are arranged in the accommodating groove at intervals, and at least one energy storage battery 200 is arranged in each protection body 300.
In this embodiment, the plurality of protection bodies 300 may be vertically arranged, each protection body 300 has a space, and each protection body 300 is arranged with one energy storage battery 200; namely, the periphery of each protection main body 300 is immersed in the cooling liquid 101, and the protection main bodies 300 can absorb heat generated by normal operation of the energy storage battery 200 through the cooling liquid 101 on the basis of preventing the cooling liquid 101 from directly contacting the energy storage battery 200, so that the contact area is increased; in addition, when the storage battery is burnt, the cooling water between the gaps can absorb heat, so that thermal runaway of two adjacent energy storage batteries 200 is avoided, and further fire caused by the thermal runaway spread of the energy storage batteries 200 in a large range is avoided.
Preferably, the height of the top of the protection body 300 is not higher than the height of the liquid level of the cooling liquid 101, that is, the energy storage battery 200 can extend out of the connecting cable through the top of the protection body 300.
Optionally, the protective body 300 may be arranged in various ways, and in a preferred embodiment of the present invention, the protective body 300 comprises a waterproof housing 301; the energy storage battery 200 is located inside the accommodating space of the waterproof housing 301, the energy storage battery 200 is attached to the inner wall of the waterproof housing 301, and the material of the waterproof housing 301 is a combustible material.
In this embodiment, waterproof housing 301 can adopt sealed housing, wherein, waterproof housing 301 can adopt polymer materials such as plastics, utilize waterproof housing 301 to guarantee the barrier effect of energy storage battery 200 and coolant liquid 101, take place the burning when energy storage battery 200, high temperature, during the condition of firing, the energy storage battery 200 of burning this moment can directly burn through waterproof housing 301's lateral wall, when waterproof housing 301 loses waterproof effect, coolant liquid 101 can enter into waterproof housing 301's inside in the twinkling of an eye this moment, through the direct and energy storage battery 200 contact of coolant liquid 101, the effect that utilizes coolant liquid 101 to can cool down and isolated air rapidly to energy storage battery 200, thereby can be timely effectual avoid energy storage battery 200 out of control.
As shown in fig. 5, in the preferred embodiment of the present invention, the guard body 300 includes a waterproof housing 301, a release mechanism 302, and a press water valve 303; the energy storage battery 200 and the release mechanism 302 are both located in the accommodating space of the waterproof shell 301, the side wall of the waterproof shell 301 is hermetically connected with the pressing water valve 303, and the pressing water valve 303 is used for switching the blocking state and the release state of the waterproof shell 301; one end of the release mechanism 302 is connected with one end of the waterproof shell 301, which is far away from the pressing water valve 303, the release mechanism 302 is in contact with the energy storage battery 200, the release mechanism 302 has a force static state and a force action state, when the state of the energy storage battery 200 reaches a dangerous condition, the release mechanism 302 is switched from the force static state to the force action state, and the release mechanism 302 is used for adjusting the state of the pressing water valve 303, so that the waterproof shell 301 is switched from the blocking state to the release state.
In this embodiment, the release mechanism 302 may include a force applying portion and a trigger portion, the force applying portion is connected to the inner wall of the waterproof housing 301 through the trigger portion, and the force applying portion has a force rest state and a force action state; when the state of the energy storage battery 200 reaches a dangerous condition, the force applying part is switched from a force static state to a force action state, the force applying part adjusts the state of the pressing water valve 303 through the trigger part, so that the waterproof shell 301 is switched to a release state by opening the pressing water valve 303, and the cooling liquid 101 can enter the waterproof shell 301 through the pressing water valve 303 to complete cooling and fire removing of the energy storage battery 200.
In the preferred embodiment of the present invention, the release mechanism 302 includes a weight 312 and a connecting cord 322; one end of the connecting rope 322 is connected with one end of the waterproof shell 301, which is far away from the pressing water valve 303, the other end of the connecting rope 322 is connected with the counterweight end, so that the counterweight end is hung at the top of the pressing water valve 303, the connecting rope 322 is in contact with the energy storage battery 200, the connecting rope 322 is used for being separated from the waterproof shell 301 in the combustion process of the energy storage battery 200, so that the counterweight end is in contact with the pressing water valve 303, and the cooling liquid 101 in the accommodating groove enters the waterproof shell 301 through the pressing water valve 303.
In this embodiment, the force applying portion adopts a mechanical releasing structure, the connecting rope 322 may contact the energy storage battery 200, or a plurality of loops may be wound around the outside of the energy storage battery 200, and one end of the connecting rope 322 is connected to one end of the waterproof housing 301 away from the pressing water valve 303, and the other end of the connecting rope 322 is connected to the counterweight end, that is, the counterweight end is suspended above the pressing water valve 303 through the connecting rope 322, that is, when the connecting rope 322 is in a stressed state, the counterweight end is in a suspended state, the connecting rope 322 may adopt a nylon rope, when the energy storage battery 200 is subjected to a high temperature and burning condition, that is, the nylon rope is instantaneously burned off during the high temperature and burning process of the energy storage battery 200, the burned connecting rope 322 is separated from the energy storage battery 200, that is, that at this time, the counterweight end directly and vertically falls under the action of gravity, and the fallen counterweight end directly acts on the pressing water valve 303, so that the pressing water valve 303 is in an open state, and then guarantee that coolant liquid 101 enters into waterproof shell 301's inside through pressing water valve 303 for energy storage battery 200 under high temperature, the burning state directly contacts with coolant liquid 101, through the soaking of coolant liquid 101, can carry out the fire control to energy storage battery 200 and handle.
Alternatively, the counterweight end may adopt a counterweight block or a gravity plate, and the weight of the counterweight block may satisfy the acting force of pressing the water valve 303 to open.
As shown in fig. 6, in the preferred embodiment of the present invention, the shielding body 300 comprises a waterproof case 301 and a unhooking device 304; energy storage battery 200 is located inside waterproof case 301's accommodation space, unhook device 304 is connected with the top of storing main part 100, waterproof case 301's one end holding is inside coolant liquid 101, the inlet opening has been seted up to waterproof case 301's the other end, and waterproof case 301 passes through the inlet opening and is connected with unhook device 304, when energy storage battery 200's state reached the dangerous condition, unhook device 304 is used for separating with waterproof case 301, so that waterproof case 301 falls into to coolant liquid 101 in, so that coolant liquid 101 in the storage tank enters into inside waterproof case 301 through the inlet opening.
In this embodiment, the unhooking device 304 may include a connection hook, an unhooking mechanism and a fixed link arm, i.e. one end of the connection hook is connected to one end of the fixed link arm through a rotation shaft, the unhooking mechanism may rotate relative to the fixed link arm, one end of the unhooking mechanism is hooked to the connection hook, i.e. the connection hook is connected to the waterproof housing 301, and the connection hook is connected to the top of the storage main body 100 through the unhooking mechanism, wherein the unhooking mechanism may be unhooked by using a connection rope 322, the connection rope 322 is connected to the energy storage battery 200 at the unhooking end, when the connection rope 322 is unhooked under the action of the energy storage battery 200, the trigger link rod that the connection rope 322 is unhooked may drive the unhooking mechanism to be separated from one end of the connection hook far from the fixed link arm under the action of an external force, thereby enabling the connection hook to rotate relative to the fixed link arm, so that the connection hook is separated from the waterproof housing 301, and the waterproof housing 301 falls into the cooling liquid 101 along a vertical direction, the cooling liquid 101 can enter the waterproof shell 301 through the water inlet hole, so that the energy storage battery 200 is cooled by fire protection; it should be noted that, since the unhooking device 304 is in a conventional structure in the art, it is not described herein again as long as it can satisfy the requirement that the external force can achieve the unhooking structure of the waterproof housing 301 in this embodiment.
As shown in FIG. 7, in a preferred embodiment of the utility model, guard body 300 includes a waterproof membrane 305 and a piercing mechanism 306; the waterproof film 305 is sleeved outside the energy storage battery 200, the puncturing mechanism 306 is located between the energy storage battery 200 and the waterproof film 305, one end of the puncturing mechanism 306 is abutted to a venting opening of the energy storage battery 200, the other end of the puncturing mechanism 306 is abutted to the inner wall of the waterproof film 305, when the state of the energy storage battery 200 reaches a dangerous condition, the energy storage battery 200 releases pressure through the venting opening, and the puncturing mechanism 306 is used for puncturing the waterproof film 305 under the action of the energy storage battery 200 so that the cooling liquid 101 in the accommodating groove is in contact with the energy storage battery 200.
In this embodiment, the protection main body 300 is a waterproof film 305, wherein the waterproof film 305 may be a plastic film, and the film can play a role of waterproofing under normal working conditions, when the energy storage battery 200 is ignited, because the energy storage battery 200 has explosion venting ports, when the energy storage battery 200 is ignited, the explosion venting ports are triggered to open by an excessive internal air pressure, and the explosion venting ports are provided with the puncturing mechanism 306, optionally, the puncturing mechanism 306 may be a blade or a cone, and the puncturing mechanism 306 is pushed by the explosion venting pressure to puncture the waterproof film 305, so as to achieve the purpose of water intake fire protection.
In addition, the waterproof film 305 may not be provided with the piercing mechanism 306, that is, the protective main body 300 uses a plastic film, which can play a waterproof role under normal working conditions, and when the energy storage battery 200 is on fire, the plastic film can be directly burned through because the energy storage battery 200 can instantly release a large amount of heat, so that the water is immersed into the energy storage battery 200 to achieve the purpose of extinguishing the fire.
The energy storage system provided by the embodiment comprises a control box 500, a charging terminal 600 and the energy storage battery fireproof device; the energy storage battery 200 is electrically connected with the charging terminal 600 through the control box 500; since the technical effect of the energy storage system provided in this embodiment is similar to the technical effect of the energy storage battery fire protection apparatus provided in the above embodiment, details thereof are not repeated herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An energy storage battery fire protection device, comprising: the energy storage device comprises a storage main body, an energy storage battery and a protection main body;
the storage main body is provided with a containing groove, the containing groove of the storage main body is used for containing cooling liquid, the protection main body is provided with a containing space, the energy storage battery is positioned in the containing space, and the protection main body is placed in the containing groove so as to be soaked in the cooling liquid in the containing groove;
the protection main part has the protection portion, the protection portion has separation state and release state, the protection main part is used for the separation at the separation state energy storage battery contacts with the coolant liquid, works as when energy storage battery's state reached the dangerous condition, energy storage battery is used for with the protection portion is switched into the release state by the separation state, so that energy storage battery contacts with the coolant liquid.
2. The energy storage battery fire protection device of claim 1, wherein the storage body comprises a box and a top cover;
the storage tank is located inside the box body, the top cover is connected with the box body in a sealing mode, and the box body is used for being embedded underground.
3. The energy storage battery fire protection device of claim 1, further comprising an overflow pipe;
the storage main body comprises a box body and a top cover; the storage tank is located inside the box body, the top cover is connected with the box body in a sealing mode, one end, away from the top cover, of the box body is used for being embedded underground, the overflow pipe is located at one end, higher than the ground, of the box body, the overflow pipe is connected with the side wall of the box body, the overflow pipe is communicated with the storage tank, and the overflow pipe is located at the top of cooling liquid of the storage tank.
4. The energy storage battery fire protection device of claim 1, wherein the protection body is provided with a plurality of protection bodies, the plurality of protection bodies are arranged in the accommodating groove at intervals, and at least one energy storage battery is arranged in each protection body.
5. The energy storage battery fire protection device of any one of claims 1-4, wherein the protective body comprises a waterproof housing;
the energy storage battery is located inside the accommodating space of the waterproof shell, the energy storage battery is attached to the inner wall of the waterproof shell, and the waterproof shell is made of a combustible material.
6. The energy storage battery fire protection device of any one of claims 1-4, wherein the protective body comprises a waterproof housing, a release mechanism, and a push water valve;
the energy storage battery and the release mechanism are both positioned in the accommodating space of the waterproof shell, the side wall of the waterproof shell is hermetically connected with the pressing water valve, and the pressing water valve is used for switching the blocking state and the release state of the waterproof shell;
one end of the release mechanism is connected with one end, far away from the pressing water valve, of the waterproof shell, the release mechanism is in contact with the energy storage battery, the release mechanism is in a force static state and a force action state, when the state of the energy storage battery reaches a dangerous condition, the release mechanism is switched to the force action state from the force static state, and the release mechanism is used for adjusting the state of the pressing water valve so that the waterproof shell is switched to the release state from the blocking state.
7. The energy storage battery fire protection device of claim 6, wherein the release mechanism comprises a weight and a connecting cord;
connect the one end of rope with waterproof shell keeps away from press the one end of water valve and connect, connect the other end of rope with the counter weight end is connected, so that the counter weight end hang in press the top of water valve, connect the rope with the energy storage battery contact, connect the rope be used for in the energy storage battery combustion process with waterproof shell separation, so that the counter weight end with press the water valve contact, so that coolant liquid warp in the storage tank press the water valve to get into extremely inside the waterproof shell.
8. The energy storage battery fire protection device of any one of claims 1-4, wherein the protective body comprises a waterproof enclosure and a unhooking device;
the energy storage battery is located in the containing space of the waterproof shell, the unhooking device is connected with the top of the storage main body, one end of the waterproof shell is contained in the cooling liquid, a water inlet hole is formed in the other end of the waterproof shell, the waterproof shell is connected with the unhooking device through the water inlet hole, and when the state of the energy storage battery reaches a dangerous condition, the unhooking device is separated from the waterproof shell to enable the waterproof shell to fall into the cooling liquid, so that the cooling liquid in the containing groove enters the waterproof shell through the water inlet hole.
9. The energy storage battery fire protection device of any one of claims 1-4, wherein the protective body comprises a waterproof membrane and a puncture mechanism;
the waterproof film cover is located energy storage battery's outside, puncture mechanism is located energy storage battery with between the waterproof film, just puncture mechanism's one end with energy storage battery's the mouth butt that explodes that lets out, puncture mechanism's the other end with waterproof film's inner wall butt, work as when energy storage battery's state reaches dangerous condition, energy storage battery passes through let out and explode a mouthful release pressure, puncture mechanism is used for puncture under energy storage battery's the effect waterproof film, so that coolant liquid in the storage tank with the contact of energy storage battery.
10. An energy storage system, comprising a control box, a charging terminal and an energy storage battery fire protection device according to any one of claims 1-9;
the energy storage battery is electrically connected with the charging terminal through the control box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123113300.5U CN216529054U (en) | 2021-12-10 | 2021-12-10 | Energy storage battery fire protection device and energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123113300.5U CN216529054U (en) | 2021-12-10 | 2021-12-10 | Energy storage battery fire protection device and energy storage system |
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| CN216529054U true CN216529054U (en) | 2022-05-13 |
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| CN202123113300.5U Active CN216529054U (en) | 2021-12-10 | 2021-12-10 | Energy storage battery fire protection device and energy storage system |
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