Mobile electrochemical energy storage device

Abstract

The utility model discloses a movable electrochemical energy storage device, and belongs to the technical field of light storage. Comprising a mobile carrier with a container, a photovoltaic panel attached to the outside of the container, a photovoltaic MPPT DC / DC module arranged in the container and electrically connected with the photovoltaic panel, and a battery cluster module arranged in the container and electrically connected with the photovoltaic MPPT DC / DC module. The bidirectional variable current DC / AC module is arranged in the container, the direct current side of the bidirectional variable current DC / AC module is electrically connected with the DC / DC module and / or the battery cluster module of the photovoltaic MPPT, and the grid-connected output interface is arranged outside the container and electrically connected with the cross-linking side of the bidirectional variable current DC / AC module. The movable type electrochemical energy storage device has high maneuverability, can be quickly deployed to places needing electric power, and is crucial to timely supply of electric power especially under the condition of natural disasters or emergencies.

Description

Technical Field

[0001] The utility model belongs to the technical field of light storage, in particular to a mobile electrochemical energy storage device. Background Art

[0002] Traditional fixed energy storage devices have space constraints, infrastructure, project application, filing, design, construction, fire safety, and grid connection acceptance before they can be implemented. After the acceptance is completed, regular operation management and safety supervision, equipment monitoring and daily maintenance are required. In the face of application scenarios such as temporary support for uninterrupted power supply, power supply for important occasions, smooth short-term loads, electric vehicle emergency rescue, and outdoor emergency power supply, fixed energy storage devices cannot match the energy demand of the above application scenarios well.

[0003] Therefore, a mobile electrochemical energy storage device is needed that has the characteristics of mobility, flexibility, rapid mobile deployment, intelligent peak-shaving, green environmental protection, and uninterrupted power supply. As a new type of energy storage equipment, it can be used in scenarios such as non-stop operations, power supply for important occasions, and emergency rescue of electric vehicles. Utility Model Content

[0004] In order to overcome the above technical defects, the utility model provides a mobile electrochemical energy storage device to solve the problems involved in the background technology.

[0005] The utility model provides a mobile electrochemical energy storage device, comprising: a mobile carrier having a container, a photovoltaic panel attached to the outside of the container, a DC / DC module of a photovoltaic MPPT arranged inside the container and electrically connected to the photovoltaic panel, a battery cluster module arranged inside the container and electrically connected to the DC / DC module of the photovoltaic MPPT, a bidirectional current conversion DC / AC module arranged inside the container, a DC side of which is electrically connected to the DC / DC module of the photovoltaic MPPT and / or the battery cluster module, and a grid-connected output interface arranged outside the container and electrically connected to the cross-linking side of the bidirectional current conversion DC / AC module.

[0006] Preferably or optionally, it further comprises: an energy management module arranged inside the container;

[0007] The energy management module is communicatively connected with the DC / DC module, the bidirectional conversion DC / AC module, and the battery cluster module of the photovoltaic MPPT.

[0008] Preferably or optionally, the DC / DC module of the photovoltaic MPPT is provided with a photovoltaic input interface, the photovoltaic input interface is electrically connected to the photovoltaic input isolation switch, and the photovoltaic input isolation switch is electrically connected to the photovoltaic panel;

[0009] The bidirectional conversion DC / AC module is electrically connected to the grid-connected output circuit breaker switch, and the grid-connected output circuit breaker switch is electrically connected to the grid-connected output interface;

[0010] The battery cluster module is electrically connected to the battery cluster isolation switch, and the battery cluster isolation switch is electrically connected to the bidirectional conversion DC / AC module.

[0011] Preferably or optionally, it further comprises: a fire protection module signal-connected to the energy management module, and a fire protection controller of the fire protection module is also communicatively connected to the battery cluster module.

[0012] Preferably or optionally, it also includes: a thermal management module connected to the energy management module signal, the thermal management module includes: a liquid cooler, and a liquid cooling pipeline connected to the liquid cooler and passing through the battery cluster module, a liquid cooling plate connected to the liquid cooler and in contact with the DC / DC module liquid of the photovoltaic MPPT and / or the bidirectional inverter DC / AC module.

[0013] Preferably or optionally, the energy management module has a built-in wireless WIFI / 4G communication expansion module, which is wirelessly connected to the cloud server.

[0014] Preferably or optionally, the grid-connected output interface has a standard unidirectional AC output interface and a standard three-phase AC output interface.

[0015] Preferably or optionally, a human-machine interactive display screen and a smart meter are also provided on the mobile vehicle, and the human-machine interactive display screen and the smart meter are signal-connected to the energy management module.

[0016] Preferably or optionally, the photovoltaic panels are laid on the top and / or sides of the container.

[0017] Preferably or optionally, the photovoltaic panel is installed on the top and / or side of the container in a folding manner.

[0018] The utility model relates to a mobile electrochemical energy storage device, which has the following beneficial effects compared with the prior art:

[0019] 1. The mobile electrochemical energy storage device of the utility model is highly mobile. The most significant feature of the mobile electrochemical energy storage device is its mobility, which allows it to be quickly deployed to locations where electricity is needed, especially in natural disasters or emergencies. This capability is essential for providing electricity in a timely manner.

[0020] 2. The mobile electrochemical energy storage device of the utility model has a rapid response capability. In emergency situations, such as natural disasters, the mobile electrochemical energy storage device can quickly arrive at the scene to provide temporary power for rescue operations, while traditional energy supply methods may not be able to respond in time due to damage to infrastructure.

[0021] 3. The mobile electrochemical energy storage device of the utility model has intelligent scheduling and optimization. The mobile electrochemical energy storage device is equipped with a cloud platform intelligent scheduling system, which can automatically optimize energy distribution according to electricity demand and supply conditions and improve energy utilization efficiency.

[0022] 4. The mobile electrochemical energy storage device of the utility model is multifunctional. It can not only be used as an emergency power supply, but also support large-scale activities, provide temporary electricity, serve as an electric vehicle charging station, etc. It has a variety of application scenarios.

[0023] 5. The utility model provides a mobile electrochemical energy storage device with flexible scalability. Through self-organizing network expansion technology, multiple mobile electrochemical energy storage devices can be networked and work together to provide larger-scale power support and meet a wider range of energy needs.

[0024] 6. The mobile electrochemical energy storage device of the utility model has low maintenance and operating costs. Due to its design and use of clean energy, unified Internet Internet of Things remote monitoring and management, and intelligent operation and maintenance, the mobile electrochemical energy storage device has low maintenance and operating costs, which helps to reduce long-term energy supply costs.

[0025] 7. The utility model adopts a standardized design and does not need to be customized according to customer applications. In order to meet the power requirements and charging and discharging power requirements of different scenarios, modular energy storage devices can be flexibly selected. At the same time, a flexible "building block" method can be used for combination and matching to meet the energy needs of users in different scenarios. Combined with the Internet of Things and Internet technology, standardized / engineered replication and application can be carried out in engineering applications, and flexible and dynamic expansion can be simplified. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a module schematic diagram of a mobile electrochemical energy storage device of the utility model.

[0027] Figure 2 This is a schematic diagram of the electrical connection of a mobile electrochemical energy storage device of the utility model.

[0028] Figure 3 The utility model is a schematic diagram of the connection of an energy management module of a mobile electrochemical energy storage device.

[0029] Figure 4It is a schematic diagram of the structure of the photovoltaic panel and the mobile carrier in the utility model.

[0030] The accompanying drawings are marked as follows: 1. Photovoltaic panel; 2. DC / DC module of photovoltaic MPPT; 3. Bidirectional DC / AC module; 4. Battery cluster module; 5. Fire protection module; 6. Thermal management module; 7. Energy management module; 8. Pallet; 9. Transport truck; 10. Human-computer interaction display screen; 11. Smart meter; 12. Photovoltaic input interface; 13. Photovoltaic input isolation switch; 14. Grid-connected output interface; 15. Grid-connected output circuit breaker switch; 16. Battery cluster isolation switch; 17. Mobile vehicle; 18. Container; 19. Lifting device. DETAILED DESCRIPTION

[0031] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0032] See attached Figures 1 to 3 A mobile electrochemical energy storage device includes: a photovoltaic panel 1, a photovoltaic MPPT DC / DC module 2, a bidirectional conversion DC / AC module 3, a battery cluster module 4, a fire protection module 5, a thermal management module 6, an energy management module 7, a pallet 8, a transport truck 9, a human-computer interaction display screen 10, a smart meter 11, a photovoltaic input interface 12, a photovoltaic input isolation switch 13, a grid-connected output interface 14, a grid-connected output circuit breaker switch 15, and a battery cluster isolation switch 16.

[0033] The mobile vehicle 17 includes a container 18, which is installed on the intelligent chassis pallet 8 and forms a container 18 transport vehicle with the transport truck 9; wherein the length, width and height of the container 18 are 6.4×2.3×2.4 meters, the cargo volume is 35.3-43.2 cubic meters, and the cargo weight is 5-10 tons. The intelligent chassis pallet 8 has at least a 5-ton load-bearing consignment capacity. Specifically, the intelligent chassis pallet 8 includes: a chassis load-bearing suspension, a four-wheel independent drive controller, a four-wheel independent brake controller, a four-wheel independent steering controller, a four-wheel independent suspension controller, a centralized controller host, and a fixed positioner, wherein the centralized controller host is connected and interacted with the drive controller, the brake controller, the independent steering controller, the suspension controller, etc. by wired communication, and is connected and interacted with the energy management module 7 by wireless communication. The mechanical structure of the intelligent chassis pallet 8 is a prior art, and no further introduction is made.

[0034] The photovoltaic panel 1 adopts the Trina Solar Supreme Module Vertex series Little King Kong 405W module, which is connected in series to the DC / DC module 2 of the photovoltaic MPPT. The maximum power of a single module is 405W, the maximum efficiency is 21.1%+, the weight is 21kg, the size is 1754×1096×30mm, and other properties of the module are open circuit voltage Voc=41.4V, short circuit current Isc=12.34A, maximum power point operating voltage Vmpp=34.4V, and maximum power point operating current Impp=11.77A.

[0035] The photovoltaic panel 1 is laid on the top and / or side of the container 18, the photovoltaic panel 1 is installed on a photovoltaic bracket, and the photovoltaic panel 1 is installed on the top and / or side of the container 18 in a folding manner. Figure 4 , attached Figure 4 Only the photovoltaic panel 1 located on the top of the container 18 is shown. One end of the photovoltaic bracket is rotatably installed on the upper part of the container 18, and the other side is connected to the top of the container 18 through a lifting device 19. It can be understood that a slide groove is provided on the back of the photovoltaic bracket, and the output end of the lifting device 19 is connected to a slider, and the slider can move along the slide groove to adjust the angle of the photovoltaic panel 1 relative to the horizontal plane. When the vehicle is driving, when the photovoltaic panel 1 is in the storage state, the photovoltaic panel 1 is folded and hidden on the top of the container 18. When needed, the user can adjust the orientation of the photovoltaic panel 1 according to the direction of the sun and the parking direction of the mobile vehicle 17 to improve the power generation efficiency of the top photovoltaic panel 1.

[0036] The DC / DC module 2 of the photovoltaic MPPT is modularly designed, placed and installed inside the container 18, and electrically connected to the photovoltaic panel 1. Its parameters are: rated power 30kW, MPPT voltage range DC200V~700V, MPPT full power voltage range DC370V~DC700V, MPPT number of channels is 1, and single channel rated current is 135A. The photovoltaic input interface 12 has 1 MPPT interface. The MPPT is composed of a photovoltaic panel string 1 group to form a photovoltaic matrix connected to the PV+ and PV- of the photovoltaic input interface 12. The photovoltaic input of the MPPT has a photovoltaic input isolation switch 13 for disconnecting the photovoltaic access.

[0037] The battery cluster module 4 is also modularly designed, placed and installed inside the container 18, and electrically connected to the DC / DC module 2 of the photovoltaic MPPT. The battery cell of the battery cluster module 4 adopts 280AH LiFePO4 lithium iron phosphate battery cell, and the liquid cooling PACK adopts a 166.4V&46.592Wh battery PACK module composed of 52 battery cells 1P52S in series. The battery cluster is composed of 5 liquid cooling battery PACK modules in series combined with a high-voltage box and a battery management system BMS to form a battery cluster system. The overall battery cluster DC high voltage rated voltage is 832Vdc, the maximum charge and discharge current is 140Adc, and the protection level is IP67. Its output is PACK+, PACK-, 2 CAN communications and one dry contact to communicate and interact with the inverter bidirectional DC / AC module and the energy management module 7.

[0038] The bidirectional DC / AC module 3 is also modularly designed and is placed and installed inside the container 18 . The bidirectional conversion DC / AC module 3 has the following grid-connected AC parameters: rated output power of 100kW, maximum output power of 110kW, rated grid voltage of 3W+N+PE, AC380V, grid voltage range of -15% to +10%, rated grid frequency of 50 / 60Hz, total current waveform distortion rate of <3% (at rated power), DC component of <0.5%In, power factor adjustable range of 1 (leading) to 1 (lagging), overload capacity of 105% for continuous operation, 105% to 120% for operation for 10min, and 120% for shutdown; its off-grid AC parameters are rated output power of 100kW, maximum output power of 110kW, rated grid voltage of 3W+N+PE, AC380V, total voltage waveform distortion rate of <3% (linear load), rated frequency of 50 / 60Hz, overload capacity of 105% for continuous operation, 105% to 120% for operation for 10min, and 120% for shutdown.

[0039] The grid-connected output interface 14 is arranged outside the container 18 and is electrically connected to the cross-linking side of the bidirectional conversion DC / AC module 3. The grid-connected output interface 14 has a standard unidirectional AC output interface and a standard three-phase AC output interface. The grid-connected output interface 14 has a standard unidirectional AC output interface and a standard three-phase AC output interface. Specifically, the grid-connected output interface 14 has three-phase and 3-way unidirectional AC output interfaces, the three-phase type is 3W+N+PE, 380V L1, L2, L3, N, PE electrical interface, and the single-phase type is 220V L, N electrical interface. The three-phase / single-phase interface of the grid-connected output interface 14 is used to output charging and discharging energy interaction with the power grid or load.

[0040] The DC / DC module 2 of the photovoltaic MPPT is provided with a photovoltaic input interface 12, which is electrically connected to a photovoltaic input isolating switch 13, which is electrically connected to a photovoltaic panel 1, for disconnecting photovoltaic access; the bidirectional conversion DC / AC module 3 is electrically connected to a grid-connected output circuit breaker switch 15, which is electrically connected to a grid-connected output interface 14, for disconnecting access to the grid-connected output interface 14; the battery cluster module 4 is electrically connected to a battery cluster isolating switch 16, which is electrically connected to the bidirectional conversion DC / AC module 3, for disconnecting access to the battery cluster module 4. The photovoltaic input isolating switch 13, the grid-connected output circuit breaker switch 15, and the battery cluster isolating switch 16 are used to manually disconnect the electrical switches at the DC high voltage end of the photovoltaic / grid-connected output / lithium battery cluster. These switches ensure that electrical equipment can be disconnected from the power supply during maintenance, repair, or inspection, so that personnel can work safely on the electrical equipment without worrying about electric shock or injury.

[0041] The fire protection module 5 is connected to the energy management module 7 by signal, and the fire protection controller of the fire protection module 5 is also connected to the battery cluster module 4 by communication. Specifically, the fire protection module 5 includes: module aerosol and cabinet perfluorohexanone, with a temperature sensor, a smoke sensor and a fire protection controller. The module aerosol is configured to install a set of 60g 4-nozzle aerosol in each liquid-cooled PACK; the cabinet perfluorohexanone is a 2L capacity perfluorohexanone fire extinguishing medium, the filling pressure (nitrogen) is 2.5MPa, and the weight of the perfluorohexanone agent is 1.6kg; the fire protection controller has a two-level control logic, the first level is that the fire alarm does not trigger the fire extinguishing, only stops the charging and discharging in the outdoor integrated cabinet, and the second level is the delayed injection of the fire extinguishing medium to achieve the fire extinguishing protection effect.

[0042] The thermal management module 6 is connected to the energy management module 7 by signal, and the thermal management module 6 includes: a liquid cooler, and a liquid cooling pipeline connected to the liquid cooler and passing through the battery cluster module 4, and a liquid cooling plate connected to the liquid cooler and in contact with the DC / DC module 2 of the photovoltaic MPPT and / or the bidirectional conversion DC / AC module 3. The inlet and outlet water pipelines of the liquid cooler are combined with the PACK liquid cooling pipeline and the liquid cooling plate in the battery cluster module 4 to realize the overall thermal management module 6 formed by organically and efficiently combining with the DC / DC module 2 liquid cooling plate of the photovoltaic MPPT, the bidirectional conversion DC / AC module 3 liquid cooling plate, and the liquid cooling plate, so as to achieve consistent temperature control of the overall energy storage device to ensure that the overall device operates within a reasonable temperature range.

[0043] The mobile vehicle 17 is also provided with a human-machine interactive display screen 10 and a smart meter 11, which are connected to the energy management module 7 by signal. The human-machine interactive display screen 10 adopts a 7-inch resistive touch screen of the model LMT070DICFWD-AKA of Top Micro Technology Development Co., Ltd., and a signal interface LVDS (JEIDA 24bits) solution. The smart meter 11 adopts the AMC programmable smart meter 11 model of Ankerui, AMC72-E4 / KC, which has technical requirements of input phase voltage 220V; current transformation ratio 400A / 5A; wiring mode three-phase four-wire; accuracy level 0.5; communication protocol RS485 interface MODBUS-RTU protocol.

[0044] The energy management module 7 is arranged inside the container 18, and the energy management module 7 is communicatively connected with the DC / DC module 2, the bidirectional conversion DC / AC module 3, and the battery cluster module 4 of the photovoltaic MPPT. The energy management module 7 has interface functions such as Ethernet interface, CAN-bus interface, RS485 interface, LVDS interface, ADC interface, dry node, wet node, passive relay output, active high and low side output, etc. The energy management module 7 is used to connect the external communication interface of the DC / DC module 2 of the photovoltaic MPPT through the RS485 interface, connect the external network interface of the bidirectional conversion DC / AC module 3 through the RS485 interface, connect the battery management system BMS main control board in the battery cluster module 4 through the CAN-bus interface, connect the external interface of the fire controller in the fire module 5 through the RS485 interface, connect the external communication interface of the liquid cooler in the thermal management module 6 through the RS485 interface, connect the external communication interface of the host controller of the smart chassis tray 8 through the RS485 interface, and connect the external communication interface of the smart meter 11 through the RS485 interface. Communication interface, connect a 10-inch resistive screen through the LVDS interface for human-computer interaction display screen 10, and realize the cloud server communication link through the MinPCIe interface in conjunction with the wireless expansion WIFI / 4G Quectel IOT module. The energy management module 7 software realizes the coordination of the above core modules or sub-devices in the mobile electrochemical energy storage device, and is used to obtain the photovoltaic MPPT DC / DC module 2 power generation of the integrated device, the charging and discharging status of the bidirectional DC / AC module 3, the grid-connected point power / power status obtained by the meter, and the load power consumption / power status of the off-grid end. The battery management system obtains the battery cluster module 4 status and other information, and combines the energy management system mode to perform energy management scheduling, and combines the working mode of the mobile electrochemical energy storage device such as peak shaving and valley filling, timed charging and discharging, forced charging and discharging, and scheduled charging and discharging to meet the application needs of different scenarios.

[0045] In summary, the present embodiment provides a mobile electrochemical energy storage device, which is a practical application platform for mobile electrochemical energy storage devices constructed through the electrical and communication architecture of the above embodiments. The mobile electrochemical energy storage device only needs to be loaded and unloaded by a transport vehicle to transport the energy storage device to the energy project site. The supporting driver and installer only need to connect the grid-connected output interface 14 to the three-phase or single-phase output of the power grid or the load. After the working mode of the energy management system EMS is set through the human-computer interaction screen, the flexible mobile energy supply application environment of a single energy storage device can be quickly and efficiently built. If a single system cannot meet the application needs of customers and sites, the cloud platform can dispatch 2 or more mobile electrochemical energy storage devices in parallel on the AC side. This "building blocks" mode is used to build a multi-machine parallel system matrix system. This Internet-based mobile electrochemical energy storage device uses the cloud platform to have modular energy storage device construction, remote scheduling, and integrated management and operation. , temporary electricity reservation, convenient and flexible expansion, with standardized engineering replication and commercial application to realize user-side industrial and commercial light storage and charging applications, in the face of temporary support for uninterrupted operations, power supply for important occasions, smooth short-term loads, electric vehicle emergency rescue, outdoor emergency power supply and other application scenarios, such as old communities, campuses, hospitals, commercial entities, industrial parks and other places of emergency backup power, capacity expansion to solve the peak power demand under insufficient regional distribution capacity, electric vehicles run out of power halfway mobile emergency charging pain points, at the same time, this mobile electrochemical energy storage device and the "building blocks" expansion method are used to meet the industrial and commercial user-side energy storage devices. When the regional peak power demand capacity is insufficient, it not only realizes the peak shaving and valley filling application of energy storage devices in time and space, but also saves the cost of distribution capacity expansion.

[0046] At the same time, by adopting this mobile electrochemical energy storage device, the infrastructure cost of fixed energy storage devices is reduced, the cost of on-site installation and commissioning of fixed energy storage devices is reduced, and the regular operation and maintenance cost of fixed energy storage devices is reduced. Users use Internet technology to schedule and make appointments for energy matching in time and space according to their needs, which is flexible and convenient, and improves the user experience of energy users.

[0047] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

Claims

1. A mobile electrochemical energy storage device, characterized in that: include: A mobile vehicle (17) having a container (18), a photovoltaic panel (1) attached to the outside of the container (18), a photovoltaic MPPT DC / DC module (2) arranged inside the container (18) and electrically connected to the photovoltaic panel (1), a battery cluster module (4) arranged inside the container (18) and electrically connected to the photovoltaic MPPT DC / DC module (2), a bidirectional DC / AC module (3) arranged inside the container (18) and having its DC side electrically connected to the photovoltaic MPPT DC / DC module (2) and / or the battery cluster module (4), and a grid-connected output interface (14) arranged outside the container (18) and electrically connected to the cross-linking side of the bidirectional DC / AC module (3).

2. The mobile electrochemical energy storage device according to claim 1, characterized in that: Also includes: An energy management module (7) is arranged inside the container (18); The energy management module (7) is communicatively connected to the DC / DC module (2), the bidirectional current conversion DC / AC module (3), and the battery cluster module (4) of the photovoltaic MPPT.

3. The mobile electrochemical energy storage device according to claim 1, characterized in that: The DC / DC module (2) of the photovoltaic MPPT is provided with a photovoltaic input interface (12), the photovoltaic input interface (12) is electrically connected to a photovoltaic input isolation switch (13), and the photovoltaic input isolation switch (13) is electrically connected to the photovoltaic panel (1); The bidirectional conversion DC / AC module (3) is electrically connected to the grid-connected output circuit breaker switch (15), and the grid-connected output circuit breaker switch (15) is electrically connected to the grid-connected output interface (14); The battery cluster module (4) is electrically connected to a battery cluster isolation switch (16), and the battery cluster isolation switch (16) is electrically connected to the bidirectional conversion DC / AC module (3).

4. The mobile electrochemical energy storage device according to claim 2, characterized in that: Also includes: A fire fighting module (5) is signal-connected to the energy management module (7); a fire fighting controller of the fire fighting module (5) is also communicatively connected to the battery cluster module (4).

5. The mobile electrochemical energy storage device according to claim 2, characterized in that: Also includes: A thermal management module (6) connected to the energy management module (7) by signal, the thermal management module (6) comprising: a liquid cooler, a liquid cooling pipeline connected to the liquid cooler and passing through the battery cluster module (4), and a liquid cooling plate connected to the liquid cooler and in contact with the DC / DC module (2) of the photovoltaic MPPT and / or the bidirectional inverter DC / AC module (3).

6. The mobile electrochemical energy storage device according to claim 2, characterized in that: The energy management module (7) has a built-in wireless WIFI / 4G communication expansion module, which is connected to the cloud server by wireless communication.

7. The mobile electrochemical energy storage device according to claim 1, characterized in that: The grid-connected output interface (14) comprises a unidirectional AC output interface and a three-phase AC output interface.

8. The mobile electrochemical energy storage device according to claim 2, characterized in that: The mobile vehicle (17) is also provided with a human-machine interactive display screen (10) and a smart electric meter (11), and the human-machine interactive display screen (10) and the smart electric meter (11) are signal-connected to the energy management module (7).

9. The mobile electrochemical energy storage device according to claim 1, characterized in that: The photovoltaic panel (1) is laid on the top and / or side of the container (18).

10. The mobile electrochemical energy storage device according to claim 9, characterized in that: The photovoltaic panel (1) is installed on the top and / or side of the container (18) in a folding manner.

Images