CN114069151A - Battery accident alarming and isolating mechanism of energy storage power station - Google Patents
Battery accident alarming and isolating mechanism of energy storage power station Download PDFInfo
- Publication number
- CN114069151A CN114069151A CN202111438386.0A CN202111438386A CN114069151A CN 114069151 A CN114069151 A CN 114069151A CN 202111438386 A CN202111438386 A CN 202111438386A CN 114069151 A CN114069151 A CN 114069151A
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- China
- Prior art keywords
- energy storage
- sliding
- power station
- storage power
- frame body
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/04—Removing or cutting-off the supply of inflammable material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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 invention provides an energy storage power station battery accident alarm isolation mechanism, and mainly relates to the field of energy storage power stations. A battery accident alarm isolation mechanism of an energy storage power station comprises a frame body, wherein a plurality of layers of arrangement cavities are formed in the frame body, and convex triangular wing plates are arranged on two sides of each arrangement cavity; sliding grooves are formed in the two sides of the front and the back of the frame body, sliding rods are arranged in the sliding grooves in a sliding mode, the top of each accommodating cavity is hinged with a folding plate, the two sides of the front plate are hinged with sliding blocks connected with the sliding grooves in a sliding mode, the sliding rods are fixedly connected with the sliding blocks, telescopic power mechanisms are arranged on the two sides of the top of the frame body, and a plurality of temperature sensors and smoke alarms are arranged in the frame body; an air tank is arranged on one side of the frame body, and an electromagnetic valve is connected between an air outlet of the air tank and the pipeline in series. The invention has the beneficial effects that: the invention adopts the mode of isolating oxygen to isolate the battery accident of the energy storage power station, thereby reducing the economic loss caused by the explosion of the battery of the energy storage power station.
Description
Technical Field
The invention mainly relates to the field of energy storage power stations, in particular to a battery accident alarm isolation mechanism of an energy storage power station.
Background
The energy storage power station is an electric energy storage system formed by energy storage units such as batteries and the like, and plays a role in peak clipping and valley filling in a power system. The energy storage power station can effectively relieve the power utilization pressure during the peak, and has very important significance in the current power supply system.
However, the energy storage power station adopts the battery as the minimum energy storage unit, and the performance of the current lithium battery is unstable, so that the thermal runaway condition often occurs, and once the thermal runaway condition is not properly handled, the uncontrollable accident of detonation and explosion can occur. The 'Victoria big battery' energy storage power station project invested by Tesla in Australia bursts explosion and explosion accidents of the lithium battery in the testing stage, and the explosion and explosion accidents are extinguished after the big battery burns for 4 days, which is related to the characteristics of the lithium battery. Once the lithium battery is burnt, the lithium battery is difficult to extinguish by a conventional means, so that the existing energy storage power station has great potential safety hazard.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides an energy storage power station battery accident alarm isolation mechanism which can isolate and process the energy storage power station battery accident in an oxygen isolation mode, so that the economic loss caused by explosion of the energy storage power station battery is reduced.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a battery accident alarm isolation mechanism for an energy storage power station comprises a frame body, wherein a plurality of layers of arrangement cavities are formed in the frame body, energy storage battery packs are arranged in the arrangement cavities in an array mode, adjacent arrangement cavities are separated through a storage rack, the arrangement cavities are communicated in the front and back direction, and convex triangular wing plates are arranged on two sides of each arrangement cavity; the two sides of the front and the back of the rack body are respectively provided with a sliding chute, a sliding rod is arranged in the sliding chutes in a sliding manner, the top of each accommodating cavity is hinged with a folding plate, the folding plate comprises a back plate hinged with the rack and a front plate hinged with the far end of the back plate, the two sides of the front plate are hinged with sliding blocks connected with the sliding chutes in a sliding manner, and the sliding blocks are elastic sliding blocks; the sliding rod is fixedly connected with the sliding block, telescopic power mechanisms are arranged on two sides of the top of the frame body and used for driving the sliding rod to vertically move linearly, and a plurality of temperature sensors and smoke alarms are arranged in the frame body; the gas tank is arranged on one side of the frame body, a gas outlet of the gas tank is connected to the side wall of the frame body through a pipeline, a gas outlet of the pipeline is communicated with the placement cavity, and an electromagnetic valve is connected between the gas outlet of the gas tank and the pipeline in series.
The top of the sliding block is provided with an opening, an elastic rod is arranged in the opening in a sliding mode, and a spring is arranged between the elastic rod and the sliding block.
The telescopic power mechanism is a servo motor, and the servo motor drives the sliding rod to slide in the sliding groove through the crank sliding block mechanism.
The telescopic power mechanism is a through shaft type servo motor, and the end part of a lead screw of the through shaft type servo motor is connected with a ball head at the top of the sliding rod.
The inner wall of the placement cavity is covered with a fireproof heat insulation plate, and the folding plate is made of fireproof heat insulation materials.
The wing plate outside sets up the sand grip, back plate and front bezel bottom all set up the elongated slot with sand grip matched with.
And the top of the frame body is provided with an audible and visual alarm.
The gas tank stores nitrogen or carbon dioxide.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the energy storage power station is modularized, each module is composed of a plurality of battery packs, and all the modules can be relatively sealed, so that each energy storage module can independently handle emergency situations.
The invention adopts the principle of isolating oxygen to deal with the battery explosion accident of the energy storage power station, the closed frame body module can realize the isolation between different battery packs, can also carry out independent emergency closing on the battery pack when a combustion accident happens, and eliminates the fire disaster to the initial stage by exhausting non-combustion-supporting gas through the gas tank device in an emergency way.
The modularized design makes the group battery be convenient for manage, and the reply is rapid during the proruption burning accident, solves the biggest safety problem in energy storage power station at present.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a use state reference diagram of the present invention;
FIG. 3 is a left side view schematic of the present invention;
FIG. 4 is a schematic structural view of the frame body of the present invention;
FIG. 5 is a partial schematic view of the slide bar portion of the present invention.
Reference numerals shown in the drawings: 1. a frame body; 2. a placement cavity; 3. a slide bar; 4. folding the board; 5. a telescopic power mechanism; 6. a slider; 7. a gas tank; 8. an audible and visual alarm; 9. a battery pack; 11. a chute; 21. a wing plate; 22. a convex strip; 23. a long groove; 41. a back plate; 42. a front plate; 61. an elastic rod; 62. a spring.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in fig. 1-5, the battery accident alarm isolation mechanism for the energy storage power station comprises a frame body 1, wherein a plurality of layers of arrangement cavities 2 are arranged on the frame body 1, energy storage battery packs are arranged in the arrangement cavities 2 in an array mode, adjacent arrangement cavities 2 are separated by a storage rack, and the arrangement cavities 2 are communicated with each other in a front-back mode. The support body 1 is a bearing part of an energy storage power station module, an energy storage battery pack is arranged in the arrangement cavity 2 in the support body 1, and the support body 1 is integrally used as a medium-sized energy storage module. The front side and the rear side of the frame body 1 are through, so that the ventilation and the heat dissipation of the battery pack are facilitated during normal use. The sealing devices are arranged on the front side and the rear side of the frame body 1, the frame body 1 can be sealed through the sealing devices, so that the battery pack in the frame body 1 is isolated from the outside, and the emergent fire can be eliminated invisibly by utilizing the disposal mode of isolating oxygen.
Specifically, two sides of the placing cavity 2 are provided with convex triangular wing plates 21, and the triangular wing plates 21 and the frame body are of an integral structure. The wing plate 21 is designed to prevent the subsequent folding plate 4 from being in a self-locking state and being unable to be folded when being folded in an unfolding state, so as to create an angle for folding the folding plate 4 and prevent the damage of the power part caused by self-locking of the folding plate 4. Both sides of the front and back of the frame body 1 are provided with sliding grooves 11, the sliding grooves 11 penetrate through the triangular wing plates 21, and the sliding rods 3 are arranged in the sliding grooves 11 in a sliding mode. The slide bar 3 runs through the top of the frame body 1, and the slide bar 3 can perform reciprocating linear motion in the chute 11. Every settle chamber 2 top and all articulate folded sheet 4, folded sheet 4 include with supporter articulated back plate 41 and with back plate 41 distal end articulated front bezel 42, through the articulated mounting structure of back plate 41 with front bezel 42 for folded sheet 4 can fold and expand and cover every layer of 2 openings of settling chamber, thereby will settle chamber 2 and keep apart. The two sides of the front plate 42 are hinged with sliding blocks 6 which are in sliding connection with the sliding grooves 11, and the sliding blocks 6 are elastic sliding blocks; the sliding rod 3 is fixedly connected with the sliding block 6, telescopic power mechanisms 5 are mounted on two sides of the top of the frame body 1, and the telescopic power mechanisms 5 are used for driving the sliding rod 3 to vertically move linearly. Under the drive of the telescopic power mechanism 5, the slide rod 3 drives the slide block 6 to perform reciprocating linear motion in the chute 11. When the sliding block 6 moves downwards, the sliding block 6 drives the front plate 42 to move downwards, and the folded front plate 42 and the folded rear plate 41 are unfolded and then cover on the placing cavity 2 to seal the placing cavity. When the slide block 6 moves upwards, the slide block 6 drives the front plate 42 to fold upwards and the rear plate 41 to be folded and stored at the top of the placing cavity 2.
The above is a specific implementation manner of the closed structure of the frame body 1. Through folding front bezel 42 and back plate 41, can realize closing and the expansion of a plurality of arrangement chamber 2 on support body 1, when meetting certain battery package emergence accident in this energy storage module, can make arrangement chamber 2 seal through flexible power unit 5 with front bezel 42 and back plate 41 rapid reaction.
Specifically, the device is provided with a console in a master control room of the energy storage power station, and a plurality of sensors are arranged in each frame body 1 serving as an energy storage module and used as detection units. In this embodiment, temperature sensor and a smoke alarm ware are all installed at both sides and center in every layer of arrangement chamber 2 in the support body 1, temperature sensor, smoke alarm ware and telescopic power unit 5 are all connected on the control cabinet electrically, when certain sensor on the support body 1 detects that temperature anomaly risees or has smog to generate, the control cabinet reacts after receiving the signal rapidly, control telescopic power unit 5 drive front bezel 42 and backplate 41 expand and seal the installation cavity, thereby keep apart external rapidly this energy storage module, and isolated oxygen reaches the purpose of blocking the burning. The sound-light alarm 8 can be installed on the top of the frame body 1, the sound-light alarm 8 is also electrically connected with the control console, and when an accident happens, the sound-light alarm 8 gives an alarm synchronously, so that correct directions can be guided for field disposal personnel.
One side of the frame body 1 can be also provided with a gas tank 7, and nitrogen or carbon dioxide and other non-combustion-supporting gas are stored in the gas tank 7. The gas outlet of the gas tank 7 is connected to the side wall of the frame body 1 through a pipeline, the gas outlet of the pipeline is communicated with the placement cavity 2, and an electromagnetic valve is connected between the gas outlet of the gas tank 7 and the pipeline in series. The battery valve is controlled by the control console, after the telescopic power mechanism 5 is controlled by the control console to operate to seal the frame body 1, the synchronous control solenoid valve is opened to introduce the non-combustion-supporting gas in the gas tank 7 into the frame body 1 and exhaust the air in the plurality of mounting cavities 2, thereby quickening the cut-off of the supply of oxygen and rapidly eliminating the fire of the energy storage module. In order to ensure the circulation of non-combustion-supporting gas, the front side and the rear side of the placement frame do not reach the edge of the frame body 1, so that the non-combustion-supporting gas can quickly circulate among the placement cavities 2 when the batteries explode, and the fire extinguishing effect is improved.
Specifically, the two sides of the housing chamber 2 are provided with triangular wings 21, and the triangular wings 21 function to protrude the space so that the plurality of housing chambers 2 can communicate with each other, thereby facilitating diffusion of non-combustion-supporting gas and discharge of air. In this structure, the slider 6 is required to be of a retractable structure so as to satisfy the requirement that the front plate 42 can smoothly pass through the wing plate 21 portion when being unfolded and folded through the chute 11. The concrete structure is as follows: the top of the sliding block 6 is provided with an opening, an elastic rod 61 is arranged in the opening in a sliding mode, the top of the elastic rod 61 is hinged with the side edge of the front end of the front plate 42, and a spring 62 is arranged between the elastic rod 61 and the sliding block 6. The two ends of the spring 62 are respectively contacted with the shaft shoulder at the top of the elastic rod 61 and the top surface of the sliding block 6, when the front plate 42 passes through the slide way of the wing plate 21 part, the elastic rod 61 slides out and extends in the opening hole to meet the smooth passing of the front plate 42.
The inner wall of the placing cavity 2 is covered with fireproof heat-insulating plates, and the folding plates 4 are also made of fireproof heat-insulating materials, so that the spread of fire can be effectively prevented.
After the front and rear panels 42 and 41 are unfolded, the edges of the front and rear panels 42 and 41 are flush with the outer side of the wing 21. The outer side of the wing plate 21 is provided with a convex strip 22, the bottoms of the back plate 41 and the front plate 42 are respectively provided with a long groove 23 matched with the convex strip 22, and the sealing effect of the folding plate 4 on the placing cavity 2 can be improved through the matching of the long grooves 23 and the convex strips 22, so that the better oxygen isolation fire extinguishing effect is achieved.
Specifically, the telescopic power mechanism 5 needs to be capable of realizing the reciprocating linear driving of the slide rod 3, and in the energy storage power station, a motor is preferably used as a driving unit. The telescopic power mechanism 5 can be a servo motor, and the servo motor drives the slide rod 3 to slide in the slide groove 11 through a crank slide block mechanism. The telescopic power mechanism 5 can also be a through shaft type servo motor, and the end part of a lead screw of the through shaft type servo motor is connected with a ball head at the top of the sliding rod 3. The through shaft type servo motor is more direct in driving, self-locking cannot exist, the manufacturing cost is high, and two driving modes can be selected according to the cost.
Claims (8)
1. The utility model provides an energy storage power station battery accident warning isolating mechanism, includes support body (1), set up the multilayer on support body (1) and settle chamber (2), it sets up energy storage battery package, its characterized in that to be used for the array in chamber (2) to settle: the adjacent placing cavities (2) are separated by a shelf, the placing cavities (2) are communicated from front to back, and two sides of each placing cavity (2) are provided with convex triangular wing plates (21); the two sides of the front surface and the back surface of the frame body (1) are respectively provided with a sliding chute (11), a sliding rod (3) is arranged in each sliding chute (11) in a sliding mode, the top of each accommodating cavity (2) is hinged with a folding plate (4), each folding plate (4) comprises a back plate (41) hinged with a storage rack and a front plate (42) hinged with the far end of the back plate (41), the two sides of each front plate (42) are hinged with sliding blocks (6) connected with the sliding chutes (11) in a sliding mode, and each sliding block (6) is an elastic sliding block; the sliding rod (3) is fixedly connected with the sliding block (6), telescopic power mechanisms (5) are arranged on two sides of the top of the frame body (1), the telescopic power mechanisms (5) are used for driving the sliding rod (3) to vertically move linearly, and a plurality of temperature sensors and smoke alarms are arranged in the frame body (1); support body (1) one side sets up gas pitcher (7), gas pitcher (7) gas outlet passes through the pipe connection on support body (1) lateral wall, the gas outlet of pipeline with settle chamber (2) and be linked together, concatenate the solenoid valve between the gas outlet of gas pitcher (7) and the pipeline.
2. The energy storage power station battery accident alarm isolation mechanism of claim 1, wherein: the top of the sliding block (6) is provided with an opening, an elastic rod (61) is arranged in the opening in a sliding mode, and a spring (62) is arranged between the elastic rod (61) and the sliding block (6).
3. The energy storage power station battery accident alarm isolation mechanism of claim 1, wherein: the telescopic power mechanism (5) is a servo motor, and the servo motor drives the slide rod (3) to slide in the slide groove (11) through a crank slide block mechanism.
4. The energy storage power station battery accident alarm isolation mechanism of claim 1, wherein: the telescopic power mechanism (5) is a through shaft type servo motor, and the end part of a lead screw of the through shaft type servo motor is connected with a ball head at the top of the sliding rod (3).
5. The energy storage power station battery accident alarm isolation mechanism of claim 1, wherein: the inner wall of the placement cavity (2) is covered with a fireproof heat insulation board, and the folding board (4) is made of fireproof heat insulation materials.
6. The energy storage power station battery accident alarm isolation mechanism of claim 1, wherein: convex strips (22) are arranged on the outer sides of the wing plates (21), and long grooves (23) matched with the convex strips (22) are formed in the bottoms of the rear plate (41) and the front plate (42).
7. The energy storage power station battery accident alarm isolation mechanism of claim 1, wherein: an audible and visual alarm (8) is arranged at the top of the frame body (1).
8. The energy storage power station battery accident alarm isolation mechanism of claim 1, wherein: the gas tank (7) stores nitrogen or carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438386.0A CN114069151A (en) | 2021-11-30 | 2021-11-30 | Battery accident alarming and isolating mechanism of energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438386.0A CN114069151A (en) | 2021-11-30 | 2021-11-30 | Battery accident alarming and isolating mechanism of energy storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114069151A true CN114069151A (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111438386.0A Pending CN114069151A (en) | 2021-11-30 | 2021-11-30 | Battery accident alarming and isolating mechanism of energy storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114069151A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024049016A1 (en) * | 2022-08-30 | 2024-03-07 | 대한시스텍주식회사 | Fire control device |
| CN117712601A (en) * | 2024-02-06 | 2024-03-15 | 国网山东省电力公司莱芜供电公司 | Happy formula removes distributed energy memory |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208904083U (en) * | 2018-09-20 | 2019-05-24 | 瑞浦能源有限公司 | A kind of box energy storage battery system of high integration |
| CN113521604A (en) * | 2021-07-12 | 2021-10-22 | 中国华电科工集团有限公司 | Battery rack |
-
2021
- 2021-11-30 CN CN202111438386.0A patent/CN114069151A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208904083U (en) * | 2018-09-20 | 2019-05-24 | 瑞浦能源有限公司 | A kind of box energy storage battery system of high integration |
| CN113521604A (en) * | 2021-07-12 | 2021-10-22 | 中国华电科工集团有限公司 | Battery rack |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024049016A1 (en) * | 2022-08-30 | 2024-03-07 | 대한시스텍주식회사 | Fire control device |
| CN117712601A (en) * | 2024-02-06 | 2024-03-15 | 国网山东省电力公司莱芜供电公司 | Happy formula removes distributed energy memory |
| CN117712601B (en) * | 2024-02-06 | 2024-04-23 | 国网山东省电力公司莱芜供电公司 | Happy formula removes distributed energy memory |
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