CN111355281A - Vehicle-mounted movable energy storage system - Google Patents
Vehicle-mounted movable energy storage system Download PDFInfo
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- CN111355281A CN111355281A CN202010223977.5A CN202010223977A CN111355281A CN 111355281 A CN111355281 A CN 111355281A CN 202010223977 A CN202010223977 A CN 202010223977A CN 111355281 A CN111355281 A CN 111355281A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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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
- H02J15/00—Systems for storing electric energy
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a vehicle-mounted movable energy storage system which comprises an energy storage battery cluster, a battery management system, an energy storage converter, a monitoring management platform and an automatic power supply switching system, wherein the battery management system comprises a battery stack main control system, a battery cluster management system and a battery box management system; the direct current side of the energy storage converter is connected to a control mechanism of the control cabinet, the alternating current side of the energy storage converter is connected with a power distribution system of the power distribution cabinet, the positive end and the negative end of the control cabinet are respectively connected to the positive electrode and the negative electrode of the energy storage battery cluster, the monitoring management platform is connected with the battery stack main control system and the energy storage converter through the local area network, the battery stack main control system is connected with the battery cluster management system and the battery box management systems through the CAN bus, and the battery stack main control system is further connected with the energy storage converter through the RS485 bus. The vehicle-mounted mobile energy storage system can provide emergency power supply with quick response, low noise and less pollution; the battery energy storage system is utilized as an emergency power supply in a gradient manner, so that the charging and discharging can be repeated, the energy is saved, the environment is protected, and the decommissioning battery can be consumed conveniently.
Description
Technical Field
The invention relates to an energy storage system, in particular to a vehicle-mounted mobile energy storage system.
Background
With the rapid development of new energy technology, the market scale of electric vehicles is continuously increased, the holding capacity of electric vehicles is rapidly increased, and a large amount of retired power batteries are urgently required to be treated. The power battery retired from the whole vehicle still has considerable capacity and high utilization value, and the finding of a suitable way for gradient utilization is a generally accepted treatment method at present.
The electrical property of the retired power battery is deteriorated, and compared with a new battery, the retired power battery is more prone to safety problems such as overcharge, overdischarge and too fast temperature rise. Meanwhile, the components of the battery management system of the retired power battery module are aged, and the equipment has failure risk and is not suitable for being used continuously. Therefore, the battery operation safety is the primary consideration of the echelon utilization, and multiple safety precautionary measures are indispensable.
The mobile power supply vehicle is a vehicle-mounted mobile power station designed for coping with power supply of various disasters, emergencies, working sites and the like, and is characterized by mobility, flexibility and strong adaptability. At present, most of mobile power vehicles adopt a diesel generator or a gasoline generator to supply power, which is an economical and practical scheme. But it must carry a large amount of diesel or gasoline, and generates a great deal of noise and exhaust pollution while generating electricity. This situation is not allowed in conference centers, hospitals, schools, etc.
The ex-service power batteries are applied to the mobile power supply vehicle in batches, so that the emergency power supply requirement can be met, and the energy-saving and environment-friendly requirements of large-scale echelon utilization of the ex-service power batteries are met. Therefore, the vehicle-mounted mobile energy storage system for echelon utilization with high safety and reliability becomes one of important application fields of battery echelon utilization.
Disclosure of Invention
In order to solve the problems of high potential safety hazard of echelon utilization of power batteries, high noise, heavy pollution and the like of emergency power vehicles, the invention provides a vehicle-mounted mobile energy storage system serving as a mobile power supply, an retired power battery serving as an energy storage medium, an energy storage converter serving as bidirectional energy conversion equipment, a general truck providing power and a bearing platform, and a fire-fighting system and an automatic power supply switching system which are equipped with a black start function.
The invention provides the following technical scheme:
a vehicle-mounted mobile energy storage system comprises an energy storage battery cluster, a battery management system, an energy storage converter, a monitoring management platform and an automatic power supply switching system,
the battery management system is used for monitoring the working state of the energy storage battery cluster and protecting the energy storage battery cluster;
the energy storage converter is used for realizing continuous conversion of electric energy alternating current and direct current power and millisecond switching with an external system;
the monitoring management platform is used for monitoring and controlling the whole energy storage system to work in real time on site;
and the automatic power supply switching system is used for automatically switching the commercial power supply and the battery cluster power supply of the energy storage system in different working modes, so that the system has a black start function.
In the above technical solution, further, the battery management system includes a battery stack main control system, a battery cluster management system, and a battery box management system; the direct current side of the energy storage converter is connected to a control mechanism of the control cabinet, the alternating current side of the energy storage converter is connected with a power distribution system of the power distribution cabinet, the positive end and the negative end of the control cabinet are respectively connected to the positive electrode and the negative electrode of the energy storage battery cluster, the monitoring management platform is connected with the battery stack main control system and the energy storage converter through a local area network, the battery stack main control system is connected with the battery cluster management system and the battery box management systems through a CAN bus, the battery stack main control system is further connected with the energy storage converter through an RS485 bus, and the power supply automatic switching system automatically switches two power supply modes of mains supply and battery cluster supply.
In the above technical solution, further, a cell stack main control system, a cell cluster management system, and a dc high voltage control mechanism are integrated in the control cabinet.
In the above technical solution, further, the dc high voltage control mechanism mainly includes a circuit breaker, a contactor, a fuse, a shunt, and a switching power supply, and is used for controlling the closing and opening of the main circuit.
In the above technical solution, further, the automatic power switching system mainly comprises an automatic switching device and a power module, wherein a first input end of the automatic switching device is connected to the container output device and is one phase of alternating current from three-phase AC 380V; the second input end of the automatic switching device is connected with the output end of the power supply module; the output end of the automatic switching device is connected with a power supply bus AC 220V; the power supply module converts the direct current voltage into AC220V voltage in a single direction, the input end is connected with the direct current bus, and the output end is connected with the power supply bus.
Furthermore, the monitoring management platform monitors the energy storage battery cluster, the battery management system, the energy storage converter, the fire fighting system, the lighting system, the heat management system and the warning lamp.
Compared with the prior art, the invention has the beneficial effects that:
(1) the energy storage system of the retired battery is applied to an emergency repair (emergency) vehicle, so that popularization and application of the retired power battery are promoted, emergency supply of electric energy is guaranteed at any time, emission is reduced, and clean energy is efficiently and comprehensively utilized.
(2) The general truck is used as a bearing system and a power system, so that the energy storage system has better maneuverability and adaptability, and the application scene of the energy storage system is promoted to develop towards agility and diversification.
(3) Zero millisecond switching is realized in the true sense through the PCS, and the PCS has better application potential in occasions with higher requirements on power supply stability and power quality.
(4) The automatic power switching system enables the energy storage system to have a black start function, and reliability of emergency power supply is improved.
The vehicle-mounted mobile energy storage system can provide emergency power supply with quick response, low noise and less pollution; the battery energy storage system is utilized as an emergency power supply in a gradient manner, so that the charging and discharging can be repeated, the energy is saved, the environment is protected, and the decommissioning battery can be consumed conveniently.
Drawings
FIG. 1 is a schematic diagram of a vehicle-mounted mobile energy storage system according to the present invention.
FIG. 2 is a schematic diagram of the vehicle-mounted mobile energy storage system of the present invention.
Fig. 3 is a schematic diagram of one side of the internal structure of the vehicle-mounted mobile energy storage system according to the invention.
FIG. 4 is another schematic view of the vehicle-mounted mobile energy storage system according to the present invention.
FIG. 5 is a top view of the internal structure of the vehicle-mounted mobile energy storage system according to the present invention.
Fig. 6 is an internal structure view of the control cabinet of the present invention.
FIG. 7 is a schematic view of the structure of the battery cabinet of the present invention
Fig. 8 is a rear view of the vehicle mounted mobile energy storage system of the present invention.
FIG. 9 is an electrical connection diagram of the automatic power switching system of the present invention.
Fig. 10 is a circuit schematic diagram of the dc high voltage control mechanism of the present invention.
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.
Energy storage equipment and cables are integrated with the container, and the energy storage equipment comprises an energy storage battery cluster, a Battery Management System (BMS), an energy storage converter (PCS), a monitoring management platform and an automatic power supply switching system.
The battery management system comprises a battery stack main control system, a battery cluster management system and a battery box management system. Three partitions 20 are provided to divide the container 21 into four compartments in the direction from the front to the rear of the vehicle. And a side sliding door 13 is arranged on each partition plate, so that equipment and cables can be conveniently overhauled and maintained.
The utility model truck 30 is used as the power system and the carrying system of the whole container, so that the container has good maneuverability and flexibility. The appearance is shown in figure 1.
The schematic diagram is shown in fig. 2, the energy storage converter is used as a bidirectional energy conversion device, the direct current side of the energy storage converter is connected to a control mechanism of a control cabinet, the alternating current side of the energy storage converter is connected with a power distribution system of a power distribution cabinet, the positive end and the negative end of the control cabinet are respectively connected to the positive electrode and the negative electrode of an energy storage battery cluster, a monitoring management platform monitors the energy storage battery cluster, a battery management system, the energy storage converter, a fire protection system, a lighting system, a heat management system and a warning lamp, the monitoring management platform is connected with a battery stack main control system and the energy storage converter through a local area network, the battery stack main control system is connected with the battery cluster management system and a plurality of battery box management systems through a CAN bus, the battery stack main control system is further connected with the energy storage converter through an.
First compartment is the control chamber, is equipped with workstation 1, work chair 2 and monitoring host computer 3, and monitoring host computer 3 adopts wall-hanging the installing on the carriage wall, makes things convenient for operating personnel to look over. The monitoring host carries a monitoring management platform for monitoring and controlling the whole energy storage system to work in real time on site. The first compartment is also provided with a controller 4 for controlling the power supply of the monitoring equipment, lighting and fire fighting equipment in the carriage. The first compartment wall is provided with a single-opening door 5, and a boarding ladder 22 is arranged below the single-opening door, so that an operator can conveniently get in and out of the operation room. The internal structure of the container is shown in figures 3, 4 and 5.
The second compartment is the control room, has equipped controlgear such as energy storage converter (PCS) cabinet 6, switch board 8, switch board 7 for control energy storage battery cluster charge-discharge realizes removing energy storage system emergency power supply and charges.
The PCS is configured in a double mode according to design power so as to ensure the reliability of power conversion and the uniform distribution of the weight of the container, and system safety is facilitated. The direct current sides of the two PCS cabinets are connected to the power output end of the control cabinet, and the alternating current sides of the two PCS cabinets are connected with the input end of the power distribution cabinet, so that continuous conversion of alternating current and direct current power of electric energy and millisecond-level switching with an external system are realized. The control cabinet 8 is integrated with a cell stack main control system 81, a cell cluster management system 82 and a direct-current high-voltage control mechanism, and is used for collecting voltage, current, ambient temperature and insulation resistance signals of a cell cluster, and controlling charging and discharging of the cell cluster by controlling on-off of a power loop.
The direct-current high-voltage control mechanism mainly comprises a circuit breaker 83, a contactor 84, a fuse 85, a shunt 86 and a switching power supply 87 and is used for controlling the closing and opening of a main loop, and the structure of the direct-current high-voltage control mechanism is shown in figure 6. The circuit schematic diagram of the direct current high voltage control mechanism is shown in figure 10.
The input of the control cabinet 8 is connected to the battery cluster of the third compartment. The output end of the power distribution cabinet is connected to the input and output device of the whole container. The second compartment is provided with a split door 18 on the same side of the compartment wall as the single door of the first compartment for loading and unloading the battery cabinet and the equipment screen cabinet.
The third compartment is a battery chamber which is mainly used for installing retired battery clusters, and each battery cluster is composed of a plurality of battery boxes 9 which are connected in series and in parallel and fixed on a battery frame 10, as shown in figure 7. The battery box 9 is provided with a battery box management system 88 for monitoring the voltage, temperature and internal resistance information of the batteries in the battery box in real time. The positive pole and the negative pole of the battery cluster are respectively connected to the positive end and the negative end of the control cabinet. The bottom of the battery rack 10 and the side close to the carriage are provided with the shock absorbers 26, so that the vibration in the driving and working processes can be effectively eliminated, and the damage to the battery and a connecting system is reduced. In consideration of heat dissipation and reduction of the spread range of a fire, a plurality of battery clusters are arranged close to the position of the wall plate of the compartment in a manner of being farthest from each other. And a maintenance channel is reserved in the middle of the third compartment, so that the abnormal battery box is convenient to overhaul and maintain.
The fourth compartment is used for installing a cable winch 11, and the tail of the vehicle is provided with an electric rolling door 31 and a drawing ladder 32, so that the cable winding and unwinding operation is facilitated. A storage cabinet 12 is mounted within the compartment for storing operating tools and articles. The electric motor, the special quick cable interface and the matched cable which are configured on the cable winch can conveniently and quickly put the energy storage system into emergency power supply. The partition side sliding door 13 between the fourth compartment and the third compartment can be used as a battery box transportation channel. See fig. 8 and 5.
Each compartment is equipped with a lighting lamp 14, and the second and third compartments are equipped with a fire fighting system consisting of a smoke alarm 15 and a fire extinguishing cabinet 16 for fire fighting. In addition, a vehicle-mounted air conditioner 17 is installed at the top of the carriage, a ventilation fan 19 is installed at the top of the third compartment, and each compartment is provided with an air inlet and an air outlet of the air conditioner and used for heat management and ventilation in the carriage.
The system provides an automatic power supply switching system for equipment such as a control equipment power supply, a lighting lamp, a vehicle-mounted air conditioner, a ventilator and the like, and is mainly composed of an automatic switching device (ATS) and a power supply module (DC/AC) as shown in figure 9. Wherein the first input of the automatic transfer device ATS is connected to the container output device and is one phase of three phase (AC380V) AC; the second input end is connected with the output end of the power supply module; the output is connected to a power supply bus (AC 220V). The power supply module converts the direct current voltage into AC220V voltage in a single direction, the input end is connected with the direct current bus, and the output end is connected with the power supply bus.
In the technical scheme, the battery cluster can be kept to operate safely in the emergency power supply process by controlling the working state of the energy storage system, and the system has low noise and no emission; the energy storage battery is electrically connected with the power supply inverter system, and direct current stored in the energy storage battery can be converted into power frequency low-voltage alternating current in emergency so as to provide three-phase stable alternating voltage; when the battery cluster needs to be charged, the input and output device is connected into the alternating current charging pile, and the battery cluster is charged through the energy storage converter PCS. The automatic switching device ATS can also ensure a control device, a lighting system and a moving loop system, can keep normal power supply in any working state, has a black start function and improves reliability.
For example, the following steps are carried out:
by taking a mobile energy storage vehicle with the total electric quantity of 200kWh and the total power of 100kW as an example, 2 clusters of 672V150Ah retired lithium iron phosphate power battery clusters are configured, each cluster of batteries is formed by connecting 18 battery boxes in series, each battery box comprises 12 strings of batteries, and the electric quantity of a single box is 5.76 kWh. The electric cable winch is provided with a special quick cable interface and a cable with the length of 40 meters, and is controlled by a manual switch and used for winding and unwinding the cable. The input and the output of the energy storage system are both AC380V and 50Hz three-phase alternating current.
The energy storage container apparatus comprises: 2 energy storage battery cluster, 2 BMS sets, 2 50kW PCS, 1 set of control management system, 1 set of power distribution system, 1 set of thermal management system, 1 set of fire extinguishing system, 1 set of power automatic switching system, 1 set of lighting system, 1 set of electric cable winch, 1 set of warning light. The battery management system comprises 1 set of battery stack main control system, 2 sets of battery cluster management system and 36 sets of battery box management system. The container is divided into four compartments from the head to the tail by three clapboards. Each partition board is provided with a side sliding door for the overhaul and maintenance of equipment and cables. The general purpose truck acts as the power and load carrying system for the entire container.
The control room is equipped with 1 workstation, 1 work chair, 1 monitoring host computer and 1 set of explosion-proof lamp, and the monitoring host computer adopts wall-hanging installation on the carriage wall. The system is used for monitoring and controlling the whole energy storage system to work in real time on site. The control room is also provided with 1 controller for controlling the power supply of monitoring equipment, lighting equipment and fire fighting equipment in the carriage. The wall of the compartment of the operation room is provided with 1 single-opening door, and 1 boarding ladder is arranged below the single-opening door.
The control room is provided with 2 PCS cabinets, 1 control cabinet, 1 power distribution cabinet, 1 fire-extinguishing cabinet, 1 smoke alarm and two sets of explosion-proof lamps. Each PCS cabinet is provided with 150 kW PCS, 400V of alternating current side voltage and 600V-900V of direct current side voltage and is used for alternating current-direct current power conversion. The direct current sides of the two PCS are connected to the power output end of the control cabinet, and the alternating current sides of the two PCS are connected with the input end of the power distribution cabinet; 1 set of cell stack master control system, 2 sets of cell cluster management systems and 2 sets of direct current high voltage control mechanisms are integrated in the control cabinet to manage charging and discharging of the cell clusters. The direct-current high-voltage control mechanism mainly comprises a circuit breaker, a direct-current contactor, a fuse, a shunt and a switching power supply, is used for controlling the on-off of a main loop, and has a structure shown in figure 6. The input end of the control cabinet is connected with the battery cluster of the battery chamber. The output end of the power distribution cabinet is connected to the input and output device of the whole container. The control room and the operation room are provided with a side-by-side carriage wall with a single door on the same side.
The battery chamber is mainly used for installing retired battery clusters, each battery cluster is formed by connecting 18 battery boxes in series and in parallel and is fixed on a battery frame, and the figure 7 shows that the battery chamber is formed by connecting 18 battery boxes in series and in parallel. The battery box is provided with a battery box management system and is used for monitoring the voltage, the temperature and the internal resistance information of the battery in the battery box in real time. The positive pole and the negative pole of each battery cluster are respectively connected to the corresponding positive end and the negative end of the control cabinet. The bottom of the battery rack and the side surface close to the carriage are provided with shock absorbers. The plurality of battery clusters are arranged close to the position of the carriage wall plate in a mode of furthest mutual distance. And a maintenance channel is reserved in the middle of the battery chamber, so that the abnormal battery box is convenient to overhaul and maintain.
The fourth compartment is used for installing 1 set of cable winch, and the tail of the vehicle is provided with an electric rolling door and a drawing ladder, so that the cable can be conveniently wound and unwound. A storage cabinet is mounted in the compartment for storing operating tools and articles. The electric motor, the special quick cable interface and the matched cable which are configured on the cable winch can conveniently and quickly put the energy storage system into emergency power supply. A bulkhead side-sliding door between the fourth compartment and the battery compartment can serve as a battery box transport channel.
The top of the carriage is provided with 1 vehicle-mounted air conditioner, the top of the battery chamber is provided with 2 ventilation fans, and each compartment is provided with an air inlet and an air outlet of the air conditioner and is used for heat management and ventilation in the carriage.
The system provides 1 set of automatic power supply switching system for equipment such as a control equipment power supply, a lighting lamp, a vehicle-mounted air conditioner, a ventilator and the like, and is shown in figure 9 and mainly composed of 1 automatic switching device (ATS) and 1 power supply module (DC/AC). Wherein the ATS is a CB-level 63-type 50A 2P transfer switch, a first input end of the ATS is connected with the output device of the container, and the ATS is one phase of three-phase (AC380V) alternating current; the second input end is connected with the output end of the power supply module; the output is connected to a power supply bus (AC 220V). The power of the power supply module is 300W, the direct current voltage is unidirectionally converted into the AC220V voltage, the input end of the power supply module is connected with the direct current bus, and the output end of the power supply module is connected with the power supply bus.
The general truck is as bearing system, and drive power is diesel engine, and 1 set of warning light 33 has been installed at the locomotive top for driving warning and work warning. 4 sets of electric supporting legs 23 are further mounted on the bearing platform of the carriage, stable anchoring of the carriage can be achieved, and influences of vibration on an energy storage system during static work are reduced. Skirt bins 28 are provided on the sides of the platform for mounting leg controls 24, electrical box 25, input/output devices 26, etc., and for storing accessories, tools, etc. The top of the carriage is provided with 1 set of lifting illuminating lamps 29 for carriage lifting safety warning and operation illumination.
The energy storage system has three working modes:
(1) hot standby mode
The hot standby mode requires that the whole-course energy storage system of the power protection is in a starting state, has the advantages of realizing uninterrupted power supply and certain energy consumption, and is suitable for activity places with higher requirements on power supply quality. At the moment, the battery cluster is in a standing state, the BMS is in an operating state, the PCS is in a standby state, and the ATS is in a mains supply mode.
(2) Self-start mode
The self-starting mode can start the energy storage system to supply power when the power failure occurs, has the advantages of low energy consumption and the defect that the access of an emergency power supply can be delayed for several seconds, and is suitable for common required power protection places. At this time, the battery cluster is in a discharging state, the BMS is in a running state, the PCS is in a discharging working state, and the ATS is in a battery cluster power supply mode.
(3) Normal charging
In a parking lot, a PCS alternating current side in the mobile energy storage system is connected into AC380V and 50Hz charging piles through equipment such as a power distribution cabinet and a charging interface, the alternating current and direct current power are converted to charge a battery cluster, and the battery cluster enters a normal charging working state. At this time, the battery cluster is in a charging state, the BMS is in an operating state, the PCS is in a charging working state, and the ATS is in a commercial power supply mode.
And when the energy storage system is in a transportation process, all the equipment is in a power-off closing state.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a vehicle-mounted mobile energy storage system which characterized in that: comprises an energy storage battery cluster, a battery management system, an energy storage converter, a monitoring management platform and an automatic power supply switching system,
the battery management system is used for monitoring the working state of the energy storage battery cluster and protecting the energy storage battery cluster;
the energy storage converter is used for realizing continuous conversion of electric energy alternating current and direct current power and millisecond switching with an external system;
the monitoring management platform is used for monitoring and controlling the whole energy storage system to work in real time on site;
and the automatic power supply switching system is used for automatically switching the commercial power supply and the battery cluster power supply of the energy storage system in different working modes, so that the system has a black start function.
2. The vehicle-mounted mobile energy storage system of claim 1, wherein: the battery management system comprises a battery stack main control system, a battery cluster management system and a battery box management system; the direct current side of the energy storage converter is connected to a control mechanism of the control cabinet, the alternating current side of the energy storage converter is connected with a power distribution system of the power distribution cabinet, the positive end and the negative end of the control cabinet are respectively connected to the positive electrode and the negative electrode of the energy storage battery cluster, the monitoring management platform is connected with the battery stack main control system and the energy storage converter through a local area network, the battery stack main control system is connected with the battery cluster management system and the battery box management systems through a CAN bus, the battery stack main control system is further connected with the energy storage converter through an RS485 bus, and the power supply automatic switching system automatically switches two power supply modes of mains supply and battery cluster supply.
3. The vehicle-mounted mobile energy storage system of claim 1, wherein: the control cabinet is integrated with a cell stack main control system, a cell cluster management system and a direct-current high-voltage control mechanism.
4. The vehicle-mounted mobile energy storage system of claim 3, wherein: the direct-current high-voltage control mechanism mainly comprises a circuit breaker, a contactor, a fuse, a shunt and a switching power supply and is used for controlling the on-off of a main loop.
5. The vehicle-mounted mobile energy storage system of claim 1, wherein: the automatic power switching system mainly comprises an automatic switching device and a power module, wherein a first input end of the automatic switching device is connected with the container output device and is one phase of three-phase AC380V alternating current; the second input end of the automatic switching device is connected with the output end of the power supply module; the output end of the automatic switching device is connected with a power supply bus AC 220V; the power supply module converts the direct current voltage into AC220V voltage in a single direction, the input end is connected with the direct current bus, and the output end is connected with the power supply bus.
6. The vehicle-mounted mobile energy storage system of claim 1, wherein: the monitoring management platform monitors the energy storage battery cluster, the battery management system, the energy storage converter, the fire fighting system, the lighting system, the heat management system and the warning lamp.
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| CN112421736A (en) * | 2020-12-07 | 2021-02-26 | 国网上海能源互联网研究院有限公司 | Vehicle-mounted light mobile power supply shelter equipment |
| CN112477645A (en) * | 2020-11-19 | 2021-03-12 | 国网北京市电力公司 | Utilize car to fill electric pile charging new forms of energy power supply workstation that can load and unload fast |
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