CN115531778A - Assembled liquid cooling energy storage system based on standard container - Google Patents
Assembled liquid cooling energy storage system based on standard container Download PDFInfo
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- CN115531778A CN115531778A CN202211502555.7A CN202211502555A CN115531778A CN 115531778 A CN115531778 A CN 115531778A CN 202211502555 A CN202211502555 A CN 202211502555A CN 115531778 A CN115531778 A CN 115531778A
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- fire
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- liquid cooling
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
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- 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
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- 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
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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 relates to the technical field of battery energy storage, and particularly provides an assembled liquid cooling energy storage system based on a standard container, which comprises: a container; a battery compartment, a fire-fighting host, a fire extinguisher, a fire-fighting detector, an automatic change-over switch of a power distribution cabinet and a control cabinet are arranged in the container; an electric control board and a controller are arranged in the control cabinet; the controller is connected with the fire-fighting host; the controller acquires the amount of smoke in the container through the fire detector; when the smoke amount in the warehouse exceeds a set value, the controller releases fire extinguishing gas through the fire extinguisher to extinguish a fire and controls the fire-fighting host to cut off the power distribution of the battery compartment through the automatic change-over switch of the power distribution cabinet. According to the invention, the fire-fighting host, the fire extinguisher and the fire detector are connected to the controller in the control cabinet, so that the information real-time interaction and the communication integration of the liquid-cooling energy storage system are realized, and the quick response and the timely fire extinguishing can be realized when a fire disaster occurs.
Description
Technical Field
The invention relates to the technical field of battery energy storage, in particular to an assembled liquid-cooling energy storage system based on a standard container.
Background
Along with the increasing of the demand of the domestic energy storage market, the scale of the energy storage industry is rapidly expanded, and the requirements of the project on the energy density, the integration level, the battery consistency and other performance of the energy storage system are gradually improved. The design of the electrochemical energy storage battery unit mainly comprises a container prefabricated cabin, and the energy density and consistency of the battery unit of the container prefabricated cabin are influenced by a battery layout structure and a heat management mode in the cabin.
At present, in order to meet the energy storage requirement, the energy density of the battery cabin unit needs to be improved, but along with the improvement of the energy density of the battery cabin unit, the heat generated by the battery correspondingly rises, and a fire disaster easily occurs under the condition that the heat dissipation capacity of the battery cabin is insufficient.
Disclosure of Invention
The invention provides a spliced liquid cooling energy storage system based on a standard container, which aims to overcome the fire hazard caused by the increase of the energy density of a battery compartment unit, and comprises: a container;
a battery compartment, a fire-fighting host, a fire extinguisher, a fire-fighting detector, an automatic change-over switch of a power distribution cabinet and a control cabinet are arranged in the container;
an electric control board and a controller are arranged in the control cabinet;
the controller is connected with the fire-fighting host;
the controller acquires the amount of smoke in the container through the fire detector;
when the smoke amount in the warehouse exceeds a set value, the controller releases fire extinguishing gas through the fire extinguisher to extinguish fire, and controls the fire-fighting host to cut off the power distribution of the battery compartment through the automatic change-over switch of the power distribution cabinet.
Preferably, the method further comprises the following steps: a travel switch and an explosion-proof fan;
the container is provided with a container door;
the controller acquires the travel position of the container door through the travel switch, and judges whether the container is in a closed state or not according to the travel position of the container door;
when the container is in a closed state and the fire extinguisher releases fire extinguishing gas, the controller releases the pressure through the explosion-proof fan.
Preferably, the battery compartment comprises a plurality of battery cabinets, and a battery cabinet frame is arranged in each battery cabinet;
a plurality of liquid cooling battery boxes are arranged in the battery cabinet frame.
Preferably, the fire extinguisher comprises a perfluorohexanone gas cabinet and a perfluorohexanone fire extinguishing spray head.
Preferably, the battery compartment further comprises a high voltage distribution box;
the high-voltage distribution box is arranged at the bottom of the battery cabinet, and a water baffle is arranged between the high-voltage distribution box and the battery cabinet;
a water immersion sensor is arranged on the high-voltage distribution box;
the controller acquires the water accumulation amount on the high-voltage distribution box through the water immersion sensor;
when the water accumulation exceeds a set value, the controller cuts off the power distribution of the battery compartment through the automatic change-over switch of the power distribution cabinet.
Preferably, a temperature and humidity sensor and a dehumidifier are arranged in the container;
the controller acquires the temperature and humidity value in the container through the temperature and humidity sensor;
when the temperature and humidity value exceeds a set value, the controller controls the dehumidifier to operate.
Preferably, a camera and a lighting lamp are further arranged in the container;
the controller is connected with the camera;
the controller shoots the battery compartment through the camera and records the ignition part;
the controller is connected with the illuminating lamp and provides shooting illumination through the illuminating lamp.
Preferably, a liquid cooling equipment cabin, a liquid cooling main pipeline and a liquid cooling branch pipeline are further arranged in the container;
a liquid cooling unit is installed in the liquid cooling equipment cabin;
the liquid cooling unit conveys cooling liquid into the battery cabin through the liquid cooling main pipeline;
the battery cabin is conveyed to each battery box through the liquid cooling branch pipelines.
Preferably, a plurality of groups of indicator lamps are arranged on the control cabinet;
the indicator light is connected with the controller and used for displaying the running states of the fire-fighting host, the liquid cooling unit and the dehumidifier.
Preferably, the controller is an industrial control computer or an embedded computer;
the liquid cooling main pipeline is made of stainless steel;
the liquid cooling branch pipeline is made of nylon;
the liquid cooling battery box adopts a lithium iron phosphate battery.
According to the technical scheme, the invention has the following advantages:
according to the invention, the fire-fighting host, the fire-fighting detector and the fire extinguisher are arranged in the prefabricated cabin of the container, and when the smoke quantity in the container is detected to exceed a set value, the fire-fighting gas is released in time. A pressure relief opening is formed in one side of the container, and when fire extinguishing gas is released, the container in a closed state is relieved in time through an explosion-proof fan. The liquid cooling battery box is adopted, the liquid cooling equipment cabin and the liquid cooling pipeline are arranged, heat dissipation of the battery is reduced through a circulating liquid cooling mode, and therefore the fire risk is reduced. In order to prevent the leakage of cooling liquid or the leakage of a battery from influencing a high-voltage distribution box at the bottom of a battery cabinet, a water baffle is arranged between the high-voltage distribution box and the battery cabinet, whether the liquid flows through the high-voltage distribution box is detected through a water immersion sensor, and when the liquid flows through the high-voltage distribution box, the power distribution of a battery compartment is cut off in time, so that the safety of a power supply is ensured. The heat management mode provided by the liquid cooling equipment cabin can effectively improve the energy density and the temperature consistency of the energy storage battery unit.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a layout view of the inside of a container.
Fig. 2 is a schematic view of two container arrangements.
Fig. 3 is a three-dimensional structure diagram of the container.
Fig. 4 is a communication block diagram of a modular liquid-cooled energy storage system based on a standard container.
FIG. 5 is a wiring diagram of the liquid cooling energy storage system.
In the figure: 1. the system comprises an illuminating lamp, a control cabinet, a battery cabinet, a liquid-cooled equipment cabin, a fire-fighting host, a liquid-cooled battery box, a fire-fighting host, a liquid-cooled battery box, a fire-fighting fan, a high-voltage distribution box, a water baffle, a controller, a power distribution cabinet automatic transfer switch, a combustible gas sensor, a BMS battery management device, a first water sensor, a second water sensor, a battery management device, a controller and a power distribution cabinet automatic transfer switch, wherein the control cabinet comprises 2 parts of an illuminating lamp, 3 parts of a battery cabinet, 4 parts of a liquid-cooled equipment cabin, 5 parts of a fire-fighting host, 6 parts of a liquid-cooled battery box, 7 parts of an explosion-proof fan, 8 parts of a high-voltage distribution box, 9 parts of a water baffle, 10 parts of a controller, 11 parts of a power distribution cabinet automatic transfer switch, 12 parts of a combustible gas sensor, 13 parts of a BMS battery management device, 14 parts of a first water sensor, a second water-cooled battery management device and a second water-cooled battery management device 15, a second water sensor, 16, a first temperature and humidity sensor, 17, a second temperature and humidity sensor, 18, a dehumidifier, 19, a travel switch, 20, a common closing indication of an automatic change-over switch of a power distribution cabinet, 21, a standby closing indication of the automatic change-over switch of the power distribution cabinet, 22, an emergency stop switch, 23, an indicator lamp, 24, a direct current collecting cabinet and 25, and a power distribution load cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The invention provides a spliced liquid-cooled energy storage system based on a standard container, which adopts a non-step-in scheme as shown in figures 1 to 5, wherein 9 battery clusters can be installed in the spliced liquid-cooled energy storage system, the total capacity is 3.35MWh, and the total weight is 35 tons. The assembled liquid-cooling energy storage system comprises a standard container, a battery cluster, a battery cabinet frame, a battery management system, a control cabinet 2, a confluence cabinet, a gas fire extinguishing system, power distribution illumination, environment monitoring and the like. The standard container adopts a standard container with the length of 20 feet as a prefabricated cabin of the container. The container is provided with a container door, the controller 10 obtains the travel position of the container door through the travel switch 19, and judges whether the container is in a closed state or not according to the travel position of the container door. The pressure relief mouth has been seted up to container one side, and pressure relief mouth department installs explosion-proof fan 7, and explosion-proof fan 7 sets up in the container outside, and when container internal gas pressure value surpassed the setting value or detected through combustible gas sensor 12 that the combustible gas volume in the container surpassed and predetermine the threshold value, then control explosion-proof fan 7 operation, ventilate through the pressure relief mouth. A temperature and humidity sensor and a dehumidifier 18 are arranged in the container, the controller 10 obtains the temperature and humidity value in the container through the temperature and humidity sensor, and when the temperature and humidity value exceeds a set value, the controller 10 controls the dehumidifier 18 to operate. Still be equipped with camera and light 1 in the container, controller 10 is connected with the camera, and controller 10 shoots the battery compartment through the camera to the position that catches fire is recorded. The controller 10 is connected to the illumination lamp 1, and provides photographing illumination through the illumination lamp 1. The illumination lamp 1 includes an emergency lamp and an LED explosion-proof lamp.
The cabin body is divided into a battery cabin, an electric cabin and a liquid cooling equipment cabin 4.
The battery compartment includes 9 battery cabinets 3, adopts energy storage system major loop mode of connection, and every battery cabinet 3 is 1 return circuit, 9 return circuits parallel connection direct current collection flow cabinet 24. The battery cabinet 3 adopts a battery cluster, the battery cluster adopts a series connection, a parallel connection or a series-parallel connection mode by a battery monomer, and a battery assembly which realizes independent operation after being connected with the energy storage converter and the accessory facilities, and also comprises a battery management system, a monitoring and protecting circuit, an electric and communication interface and other parts. The 9 battery cabinets 3 are respectively provided with 8 liquid cooling battery boxes 6, each battery box comprises a plurality of single batteries, a box body, a battery management system, relevant installation structural members and the like, and is correspondingly provided with battery box monitoring equipment, battery box connectors, battery box environment control equipment and a battery box structure meeting the standard. In this application, the unit battery in the liquid cooling battery box 6 adopts the lithium iron phosphate battery as the main part of electric energy storage. A fire-fighting detector, a perfluorohexanone fire-extinguishing nozzle, a lighting lamp 1, an explosion-proof fan 7 and the like are arranged in the battery compartment.
A control cabinet 2, a direct current confluence cabinet 24, a perfluorohexanone gas cabinet, a fire-fighting host 5, a camera, an illuminating lamp 1 and the like are arranged in the electric cabin. The control cabinet 2 includes an energy storage unit, an electric control unit, a circuit protection control unit, a controller 10, and the like. The controller 10 is arranged in the control cabinet 2, the controller 10 is an industrial control computer or an embedded computer, the embedded computer is an STM32 single chip microcomputer or a PIC single chip microcomputer and is provided with an energy storage system internal communication integrated electric control board and a BMS battery management device 13, the controller 10 is connected to the BMS battery management device 13, and the BMS is a battery management system. The controller 10 uploads data uniformly by adopting an IEC61850 communication protocol, and high integration and internal local control protection of energy storage unit communication can be realized. In addition, the controller 10 is respectively in communication connection with the fire-fighting host 5, the combustible gas sensor 12, the liquid cooling unit, the first temperature and humidity sensor 16, the second temperature and humidity sensor 17, the dehumidifier 18 and the like through an RS485 communication interface, and data transmission is achieved through the RS485 communication interface.
The inside integrated level of switch board 2 is high, can realize through RS485 communication interface that stable transmission of data between system's inside communication module, control module and the protection integrated module to unified interface, the stipulation and inside fire control, battery, the power distribution protection linkage of data upload. When an alarm or a fault occurs, the controller 10 can quickly cut off the distribution load cabinet 25 and the battery main loop switch, so that the accident range is reduced to the lowest.
The dc combiner box 24 includes a battery main circuit control switch and an emergency stop switch 22. The indicator lamp 23 includes three colors of green, cyan, and red. The indicator lamp 23 is connected with the controller 10 and used for displaying the running states of the fire-fighting main machine 5, the liquid cooling unit and the dehumidifier 18.
In order to reduce the heat dissipation capacity of battery to the container, the liquid cooling unit is installed in liquid cooling equipment cabin 4 to this application, causes the influence for preventing liquid cooling unit weeping to the battery. The liquid-cooled equipment compartment 4 is of an external construction with respect to the battery compartment and the electrical compartment. The liquid cooling unit conveys cooling liquid to the battery cabin through the stainless steel main pipeline and then to each battery box through the nylon branch pipeline, and heat management in the battery boxes is achieved. The liquid cooling unit selection and the pipeline design are used for controlling the temperature difference between the battery cells within 3 ℃, the requirement of battery consistency can be met, and the conventional air cooling system only controls the temperature difference between the battery cells within 5 ℃.
In addition, the design of the liquid cooling equipment cabin 4 can meet the characteristic of high energy density of the current battery cabin unit, and compared with a conventional air cooling system, the liquid cooling equipment cabin 4 occupies a small area, and the occupied area is saved by about 50% compared with the conventional air cooling system. The stainless steel main pipeline ensures the firmness and stability of the conveying loop. The branch pipeline made of nylon material improves the insulation grade and prevents short circuit.
In order to effectively avoid the risk of liquid leakage of the liquid cooling system, the controller 10 acquires information of the liquid cooling unit and uploads the information to the EMS system, if the liquid leakage problem occurs, the battery cabin can automatically complete locking protection in the cabin, and alarm information is reported, so that the risk is prevented from being further aggravated. In addition, high tension switchgear 8 sets up in 3 bottoms of battery cabinet, convenient maintenance operation, and 8 upper portions of high tension switchgear install breakwater 9 and absorb water the cotton, prevent that the battery weeping from causing the influence to high tension switchgear 8 to be equipped with water sensor on high tension switchgear 8, water sensor includes first water sensor 14 and second water sensor 15. The first water sensor 14 and the second water sensor 15 respectively detect the two high-voltage distribution boxes 8 after the two 20-ruler standard containers are assembled in a box. Similarly, the temperature and humidity sensor is correspondingly provided with a first temperature and humidity sensor 16 and a second temperature and humidity sensor 17, and the temperature and humidity inside the two 20-ruler standard containers installed in the splicing box are respectively detected, so that the condition that the service life of the equipment is influenced or safety accidents are caused because the electrical equipment is in a high-temperature high-humidity environment for a long time is prevented.
When the water accumulation exceeds a set value, the controller 10 controls the automatic change-over switch 11 of the power distribution cabinet to trip, and the power distribution cabinet is shut down. The method is correspondingly provided with a common closing indication 20 of the automatic transfer switch of the power distribution cabinet to prompt the state of the automatic transfer switch 11 of the power distribution cabinet, and a standby closing indication 21 of the automatic transfer switch of the power distribution cabinet is set to replace the standby closing indication when the common closing indication 20 of the automatic transfer switch of the power distribution cabinet fails.
The automatic change-over switch 11 of the power distribution cabinet is used for automatically switching one or more loads on one power supply to the other power supply when one power supply fails. The tripping is a device which realizes the tripping action by a tripper, is mechanically connected with the circuit breaker and is used for releasing a retaining mechanism and automatically breaking the circuit breaker. The release is used for generating voltage on two sides of a secondary coil of the mutual inductor when the vector sum of the current passing through the zero sequence current mutual inductor is not equal to zero when a circuit has electric leakage or short circuit occurs, and the voltage is amplified by the integrated circuit, and when a setting value is reached, the power supply is cut off in 0.1 second through the electric leakage release, so that the electric shock and electric leakage protection effects are achieved.
In order to improve the fire extinguishing performance, the automatic gas fire extinguishing subsystem consists of a fire-fighting host 5, a fire-fighting detector, a perfluorohexanone gas cabinet and a gas fire extinguishing nozzle. An environment monitoring subsystem is composed of an explosion-proof fan 7, a water sensor, a temperature and humidity detector and a camera. Wherein, perfluorohexanone gas cabinet includes: fire extinguishing bottle group, high-pressure hose, fire extinguishing agent check valve, start-up bottle group, safe pressure relief device, selection valve, pressure signal ware. The gas fire-extinguishing nozzle comprises a nozzle, a high-pressure pipeline, a high-pressure pipe fitting and the like. The fire-fighting detector adopts a fire-fighting smoke detector which is used for monitoring the concentration of the sensed smoke. The fire-fighting host 5 adopts a fire alarm for supplying power to the detector and for receiving a fire signal and activating a fire alarm device. The fire-fighting host 5 is also used for indicating the fire part and recording related information, and starting a fire alarm signal through a fire alarm sending device or starting an automatic fire-fighting device and a fire-fighting linkage control device through an automatic fire-fighting control device. The fire-fighting host 5 is connected with the environment monitoring subsystem, so that the correct operation of the automatic monitoring system and the sound and light alarm for specific faults can be realized.
The invention provides a specific implementation mode to further explain the fire extinguishing process of the system, the controller 10 obtains the smoke amount in the container through a fire detector, when the smoke amount in the warehouse exceeds a set value, the controller 10 releases fire extinguishing gas through a fire extinguisher to extinguish fire, controls the fire-fighting host 5 to cut off the power distribution of the battery compartment through the automatic change-over switch 11 of the power distribution cabinet, and prompts whether the power failure is successful or not through the common closing indication 20 of the automatic change-over switch of the power distribution cabinet. While the fire extinguishing gas is released, the controller 10 performs pressure relief by the explosion-proof blower 7. Be equipped with baroceptor in the container, when the container is for encapsulated situation, when producing high-temperature gas because of the conflagration in the container and lead to the increase in the container, the pressure release mouth of seting up through container one side dredges at explosion-proof fan 7 and carries out the pressure release that ventilates down.
In addition, the system adopts the coolant liquid circulation, and by liquid cooling plate direct contact electricity core, promoted heat exchange efficiency, the difference in temperature control between the electricity core is within 3 ℃, has improved the battery operating temperature condition, can promote battery uniformity and cycle life.
Aiming at the problems of overweight transportation, difficult hoisting and the like of the high-energy-density battery unit, the total capacity of the 20-ruler container unit is 35 tons, and the 20-ruler standard container structure can limit the weight of a single cabin within a normal transportation weight range, so that the on-site single-cabin hoisting difficulty is reduced. In order to avoid the problem of special transportation, as shown in fig. 2, the split mounting type liquid cooling energy storage system can transport two 20-foot units to the site for split mounting to form a 40-foot 6.709MWh liquid cooling energy storage system unit, and the split mounting type liquid cooling energy storage system can independently control the automatic gas fire extinguishing subsystem and the environment monitoring subsystem in a 20-foot standard container, and can establish system communication and the same control after the two 20-foot standard containers are split mounted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a pin-connected panel liquid cooling energy storage system based on standard container which characterized in that includes: a container;
a battery compartment, a fire-fighting host, a fire extinguisher, a fire-fighting detector, an automatic change-over switch of a power distribution cabinet and a control cabinet are arranged in the container;
an electric control board and a controller are arranged in the control cabinet;
the controller is connected with the fire-fighting host;
the controller acquires the amount of smoke in the container through the fire detector;
when the smoke amount in the warehouse exceeds a set value, the controller releases fire extinguishing gas through a fire extinguisher to extinguish fire and controls the fire-fighting host to cut off the power distribution of the battery compartment through the automatic change-over switch of the power distribution cabinet;
the battery cabin comprises a plurality of battery cabinets, and a battery cabinet frame is arranged in each battery cabinet;
a plurality of liquid-cooled battery boxes are placed in the battery cabinet frame;
the battery compartment also comprises a high-voltage distribution box;
the high-voltage distribution box is arranged at the bottom of the battery cabinet, and a water baffle is arranged between the high-voltage distribution box and the battery cabinet;
a water immersion sensor is arranged on the high-voltage distribution box;
the controller acquires the water accumulation amount on the high-voltage distribution box through the water immersion sensor;
when the water accumulation exceeds a set value, the controller cuts off the power distribution of the battery compartment through the automatic change-over switch of the power distribution cabinet;
further comprising: a travel switch and an explosion-proof fan;
the container is provided with a container door;
the controller acquires the travel position of the container door through the travel switch, and judges whether the container is in a closed state or not according to the travel position of the container door;
when the container is in a closed state and the fire extinguisher releases fire extinguishing gas, the controller releases pressure through the explosion-proof fan;
further comprising: a combustible gas sensor;
when the air pressure value in the container exceeds a set value or the combustible gas sensor 12 detects that the quantity of combustible gas in the container exceeds a preset threshold value, the anti-explosion fan 7 is controlled to operate, and ventilation is carried out through the pressure relief opening.
2. The modular liquid-cooled energy storage system based on standard containers of claim 1,
the fire extinguisher comprises a perfluor hexanone gas cabinet and a perfluor hexanone fire extinguishing spray head.
3. The modular liquid-cooled energy storage system based on the standard container as claimed in claim 1, wherein a temperature and humidity sensor and a dehumidifier are arranged in the container;
the controller acquires the temperature and humidity value in the container through the temperature and humidity sensor;
when the temperature and humidity value exceeds a set value, the controller controls the dehumidifier to operate.
4. The modular liquid-cooled energy storage system based on the standard container as claimed in claim 1, wherein a camera and a lighting lamp are further arranged in the container;
the controller is connected with the camera;
the controller shoots the battery compartment through the camera and records the ignition part;
the controller is connected with the illuminating lamp and provides shooting illumination through the illuminating lamp.
5. The modular liquid cooling energy storage system based on the standard container as claimed in claim 3, wherein a liquid cooling equipment compartment, a liquid cooling main pipeline and a liquid cooling branch pipeline are further arranged in the container;
a liquid cooling unit is installed in the liquid cooling equipment cabin;
the liquid cooling unit conveys cooling liquid into the battery cabin through the liquid cooling main pipeline;
the battery cabin is conveyed to each battery box through the liquid cooling branch pipelines.
6. The modular liquid cooling energy storage system based on the standard container as claimed in claim 5, wherein a plurality of groups of indicator lamps are arranged on the control cabinet;
the indicator light is connected with the controller and used for displaying the running states of the fire-fighting host, the liquid cooling unit and the dehumidifier.
7. The modular liquid-cooled energy storage system based on standard containers of claim 5,
the controller adopts an industrial control computer or an embedded computer;
the liquid cooling main pipeline is made of stainless steel;
the liquid cooling branch pipeline is made of nylon;
the liquid cooling battery box adopts a lithium iron phosphate battery.
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| CN202211502555.7A CN115531778B (en) | 2022-11-29 | 2022-11-29 | Assembled liquid cooling energy storage system based on standard container |
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| CN116190863A (en) * | 2023-04-23 | 2023-05-30 | 山东电工时代能源科技有限公司 | Electric energy storage container based on 20 chi standard dimension have liquid cooling heat dissipation |
| CN116683100A (en) * | 2023-05-19 | 2023-09-01 | 清安储能技术(重庆)有限公司 | Energy storage system |
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| CN113764815A (en) * | 2020-06-05 | 2021-12-07 | 北京好风光储能技术有限公司 | Energy storage battery safety system |
| US20220158277A1 (en) * | 2020-10-28 | 2022-05-19 | RePurpose Energy Inc. | Non-destructive battery fire suppression |
| CN214388589U (en) * | 2020-12-22 | 2021-10-15 | 山东电工时代能源科技有限公司 | Novel fire control unit to lithium iron phosphate battery screen |
| CN113619726A (en) * | 2021-08-31 | 2021-11-09 | 广船国际有限公司 | Ship with CO2 chamber |
| CN216720210U (en) * | 2022-02-11 | 2022-06-10 | 宁德时代新能源科技股份有限公司 | Energy storage system |
| CN217366958U (en) * | 2022-04-20 | 2022-09-06 | 珠海格力钛电器有限公司 | Energy storage container |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116190863A (en) * | 2023-04-23 | 2023-05-30 | 山东电工时代能源科技有限公司 | Electric energy storage container based on 20 chi standard dimension have liquid cooling heat dissipation |
| CN116683100A (en) * | 2023-05-19 | 2023-09-01 | 清安储能技术(重庆)有限公司 | Energy storage system |
| CN116683100B (en) * | 2023-05-19 | 2024-01-09 | 清安储能技术(重庆)有限公司 | Energy storage system |
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