Mobile energy storage type electric vehicle charging device

Abstract

The utility model discloses a mobile energy storage type electric vehicle charging device, which belongs to the field of electric vehicle charging and comprises a mobile vehicle body, a box body, at least one charging interface, at least one discharging interface and a lithium ion battery energy storage system. Wherein the box body is arranged on the movable vehicle body; the charging interface and the discharging interface are respectively arranged on the side wall of the box body; and the lithium ion battery energy storage system is arranged in the box body, is electrically connected with each charging interface and each discharging interface, can charge and store electric energy through each charging interface, and releases the electric energy through each discharging interface to provide the electric energy for each electric automobile. According to the charging device, the lithium ion battery energy storage system is arranged in the box body borne by the mobile vehicle body and is externally connected with the charging interface and the discharging interface, so that electric energy can be conveniently charged and stored, and the charging device can automatically move to the side of a charged vehicle according to the charging requirement of a user to provide quick charging service for the charged vehicle; time and energy consumption of going back and forth to the charging point are saved for users, and transport capacity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle energy storage and charging, in particular to a mobile energy storage type electric vehicle charging device. Background Art

[0002] In recent years, lithium-ion battery energy storage technology has been rapidly developing in my country. With its high energy density, long cycle life, and excellent safety, it has become one of the preferred energy storage technologies. Technological innovation has also driven rapid industrial development. The industry chain, policy support, and market mechanisms have gradually improved, and application scenarios have continued to expand. With intensified market competition, the cost of lithium-ion battery energy storage systems has continued to decrease, while the efficiency and reliability of the systems have also been further improved. As these trends continue to develop, lithium-ion battery energy storage technology will play an even more core role in future energy systems.

[0003] With continued policy support and improved industry technology, the production and sales of new energy vehicles, especially electric vehicles, will continue to rise, driving increased demand for charging and battery swapping equipment. However, due to factors such as high construction costs of battery swapping stations and inconsistent battery standards, the market expansion of my country's new energy vehicle battery swapping industry is limited, resulting in significant pressure on demand for electric vehicle charging equipment.

[0004] There are currently three main types of charging equipment: home chargers, public chargers, and fast chargers. The vast majority of these three types of charging equipment are fixed charging stations. Public chargers and fast chargers, in particular, suffer from an imbalance between busy and idle times. During peak demand periods, queues are common, and anxious users search for available charging stations, leading to time-consuming and energy-consuming situations that conflict even more with the demand for anytime, anywhere energy replenishment services.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a mobile energy storage electric vehicle charging device, which can move to the side of the charged vehicle according to the user's charging needs, provide it with fast charging service, save the user time and energy consumption in traveling to and from the charging point, improve transportation capacity, and thus solve the above-mentioned technical problems existing in the prior art.

[0007] The purpose of this utility model is achieved through the following technical solutions:

[0008] A mobile energy storage type electric vehicle charging device, comprising:

[0009] A mobile vehicle body, a box body, at least one charging interface, at least one discharging interface and a lithium-ion battery energy storage system; wherein,

[0010] The box body is arranged on the movable vehicle body;

[0011] The charging interface and the discharging interface are respectively arranged on the side walls of the box;

[0012] The lithium-ion battery energy storage system is arranged in the box and is electrically connected to each charging interface and each discharging interface. It can charge and store electric energy through each charging interface and release it through each discharging interface to provide electric energy for each electric vehicle.

[0013] Compared with the prior art, the mobile energy storage electric vehicle charging device provided by the present invention has the following beneficial effects:

[0014] By placing the lithium-ion battery energy storage system in a box carried by a mobile vehicle and connecting it to the charging and discharging interfaces, it can be conveniently charged with stored energy and automatically move to the side of the vehicle being charged according to the user's charging needs, providing it with fast charging services. This saves users time and energy consumption in traveling to and from the charging point, thereby improving transportation capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the structure of a mobile energy storage electric vehicle charging device provided in an embodiment of the utility model.

[0017] Figure 2 A side view schematic diagram of a mobile energy storage electric vehicle charging device provided in an embodiment of the present utility model.

[0018] The names of the components in the figure are: 1-charging interface; 2-discharging interface; 3-vehicle body; 4-battery box; 5-box; 6-trailer body. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the technical solutions in the embodiments of the present invention, in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them, and do not constitute a limitation of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0020] First, the following terms may be used in this article:

[0021] The term “and / or” means that either or both of them can be realized at the same time. For example, X and / or Y includes both “X” or “Y” and “X and Y”.

[0022] The terms "include," "comprises," "contains," "has," or other similar expressions should be interpreted as non-exclusive. For example, "including certain technical features (such as raw materials, components, ingredients, carriers, dosage forms, materials, dimensions, parts, components, mechanisms, devices, steps, procedures, methods, reaction conditions, processing conditions, parameters, algorithms, signals, data, products, or manufactured articles, etc.) should be interpreted as including not only the technical features explicitly listed, but also other technical features known in the art that are not explicitly listed.

[0023] The term "consisting of" excludes any technical features not explicitly listed. If used in a claim, this term renders the claim closed, excluding any technical features other than those explicitly listed, except for conventional impurities associated with them. If this term appears only in a clause of a claim, it limits only the elements explicitly listed in that clause; elements listed in other clauses are not excluded from the claim as a whole.

[0024] Unless otherwise specified or limited, the terms "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this document based on specific circumstances.

[0025] The terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings and are only for the convenience and simplification of description, and do not explicitly or implicitly indicate that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation to this document.

[0026] The solutions provided by the present invention are described in detail below. Any content not described in detail in the examples of the present invention belongs to the prior art known to those skilled in the art. Where specific conditions are not specified in the examples of the present invention, the experiments were carried out according to conventional conditions in the art or the conditions recommended by the manufacturer. Where the manufacturers of reagents or instruments used in the examples of the present invention are not specified, they are all conventional products that can be purchased commercially.

[0027] like Figure 1 As shown, the embodiment of the present utility model is a mobile energy storage type electric vehicle charging device, comprising:

[0028] A mobile vehicle body, a box body, at least one charging interface, at least one discharging interface and a lithium-ion battery energy storage system; wherein,

[0029] The box body is arranged on the movable vehicle body;

[0030] The charging interface and the discharging interface are respectively arranged on the side walls of the box;

[0031] The lithium-ion battery energy storage system is arranged in the box and is electrically connected to each charging interface and each discharging interface. It can charge and store electric energy through each charging interface and release it through each discharging interface to provide electric energy for each electric vehicle.

[0032] Preferably, in the above-mentioned automobile charging device, the lithium-ion battery energy storage system includes:

[0033] Lithium-ion battery pack, supporting safety circuit, main control device, metering device and wireless communication device; among which,

[0034] The lithium-ion battery pack is electrically connected to the supporting safety circuit and can be safely charged to store electrical energy and discharged to provide electrical energy;

[0035] The metering device is electrically connected to the lithium-ion battery pack and can measure the amount of electricity charged into each charging interface and the amount of electricity output from each discharging interface;

[0036] The main control device is electrically connected to the lithium-ion battery pack and the metering device, respectively, and can control the discharge time of each discharge interface according to the received user input time and the power output of each discharge interface measured by the metering device; and control the charging time of the lithium-ion battery pack according to the power charged into each charging interface measured by the metering device;

[0037] The wireless communication device is electrically connected to the lithium-ion battery pack and the main control device respectively, and can realize remote communication and perform background monitoring on the charging state and discharging state of the lithium-ion battery pack.

[0038] Preferably, in the above-mentioned automobile charging device, the lithium-ion battery pack is a lithium-ion battery pack that can store 1935 degrees of electrical energy.

[0039] Preferably, in the above-mentioned car charging device, the main control device is provided with a human-computer dialogue touch screen, which can receive the time input by the user and display the power output of each discharge interface.

[0040] Preferably, in the above-mentioned vehicle charging device, the movable vehicle body is a semi-trailer electric vehicle;

[0041] The box body is a container, which is fixedly arranged on the trailer of the semi-trailer electric vehicle.

[0042] Preferably, in the above-mentioned car charging device, the discharge interface adopts a standard fast charging gun.

[0043] Preferably, in the above-mentioned car charging device, there are 12 charging interfaces, and two charging interfaces are connected as a group;

[0044] There are 10 discharge interfaces, and two connections form a group.

[0045] Preferably, the above-mentioned automobile charging device further includes: an automatic fire extinguishing device, which is arranged in the box and can detect the temperature of the lithium-ion battery energy storage system in the box and automatically extinguish the fire according to a preset temperature.

[0046] In summary, the device provided by the embodiment of the present invention, by placing the lithium-ion battery energy storage system in a box carried by a mobile vehicle body and connecting it to the charging interface and discharge interface, can conveniently charge the stored energy and move it to the side of the charged vehicle according to the user's charging needs, providing it with a fast charging service, saving users time and energy consumption in traveling to and from the charging point, and improving transportation capacity.

[0047] In order to more clearly demonstrate the technical solution and technical effects provided by the present invention, the solution provided by the embodiments of the present invention will be described in detail with reference to specific embodiments below.

[0048] Example 1

[0049] like Figure 1 、 Figure 2 As shown, this embodiment provides a mobile energy storage electric vehicle charging device, the device structure is as follows, including:

[0050] A pure electric tractor semi-trailer is equipped with a 20-foot standard container, which contains the following components and subsystems:

[0051] A lithium-ion battery pack capable of storing 1,935 kWh of electricity;

[0052] Supporting safety circuits for monitoring, protection and automatic alarm systems for battery and battery pack temperature, voltage, current, etc.;

[0053] Temperature and humidity monitoring and automatic control system in the box;

[0054] Fire protection systems such as over-temperature and smoke monitoring automatic alarm and fire extinguishing in the box;

[0055] Charging port;

[0056] DC / DC power automatic conversion module;

[0057] External discharge interface and cable (i.e. standard fast charging gun);

[0058] The hardware and software of the automatic charge and discharge control system, i.e. the main control device, is equipped with a human-machine dialogue touch screen;

[0059] Automatic metering device for input and output electric energy;

[0060] Wireless communication system for remote background monitoring;

[0061] (3) The specifications and functions of the main components of the above device are described in Table 1 below:

[0062] Table 1 shows the specifications and functional descriptions of the main components

[0063]

[0064]

[0065] Features of this utility model device:

[0066] (1) The mobility of the charging pile is realized, and it can actively move to the target where charging is needed to provide services, greatly improving the transportation capacity of the electric vehicles at the charging target;

[0067] (2) A large amount of portable stored electrical energy, up to 1935 kWh;

[0068] (3) Fast charging has a high power of 160kW for a single gun and 320kW for a dual gun, which reduces the charging service time to a point with the highest cost-effectiveness;

[0069] (4) The input power allowed at the same time is large, up to 960kW, which can shorten the self-charging time from 0 to full power to as fast as 2 hours;

[0070] (5) The output power allowed at the same time is relatively large, up to 960kW, which can simultaneously charge 6 single-interface electric vehicles at a high power of 160kW or 3 dual-interface electric vehicles at a high power of 320kW;

[0071] (6) It has a high degree of intelligence, with automatic control of input and output power, automatic two-way power metering, and a local touch screen friendly human-computer dialogue interface for timely settlement. It also has wireless communication to achieve real-time remote monitoring and data transmission and storage;

[0072] (7) High safety, automatic temperature and smoke monitoring alarm and automatic fire extinguishing in the box;

[0073] (8) Active mobility is purely electric to avoid excessive emissions and resulting in road restrictions;

[0074] (9) The structure is compact and ingenious. The charging and discharging interfaces are cleverly distributed in parallel on both sides and the tail of the device, so that charging and discharging can be performed with maximum efficiency in different parking positions. At the same time, the energy storage system can also charge and replenish the self-driving battery, thereby expanding the service radius.

[0075] The charging device of this embodiment is fully charged and in standby mode during off-peak hours or at night when the electricity price of the national grid is low; when an external electric vehicle needs to be charged or replenished, the device is driven to the electric vehicle that needs to be charged and charges it.

[0076] The charging device of this embodiment can store 1935 kWh of electricity at a time. When being charged, the maximum allowable charging power rate of a single power receiving interface is 160 kW. When charging with a single charging gun, it takes about 12 hours to charge from 0 to full power; when charging with two charging guns, it takes about 6 hours to charge from 0 to full power; when charging with six charging guns, it takes about 2 hours to charge from 0 to full power.

[0077] When charging other electric vehicles, the charging device of this embodiment has a maximum output power of 160kW per charging gun. This can charge 24 electric vehicles with a typical capacity of 70kWh from zero to full charge, or charge six electric vehicles with a typical capacity of 280kWh from zero to full charge. Six charging guns can simultaneously charge, each with a maximum output power of 160kW.

[0078] The charging device of this embodiment takes about 27 minutes to charge a single-charging port electric vehicle with a capacity of 70 kWh from 0 to full charge; it takes about 13 minutes to charge a dual-charging port electric vehicle with a capacity of 70 kWh from 0 to full charge; and it takes about 53 minutes to charge a dual-charging port electric vehicle with a capacity of 280 kWh from 0 to full charge.

[0079] The present invention scientifically and effectively integrates components and subsystems such as a lithium battery energy storage system with a large amount of electrical energy, a fire safety monitoring and fire extinguishing system, a DC / DC module for charging electric vehicles, a self-recharging interface, an external charging interface and cable (i.e., a standard fast charging gun), hardware and software for automatic charge and discharge control systems, an input and output power metering system, and a wireless communication system for remote background monitoring into a standard 20-foot metal container. The container is fixed on a standard container transport semi-trailer and towed by an ordinary electric truck head to move to the electric vehicle that needs to be recharged and charged.

[0080] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims. The information disclosed in the background technology section of this article is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as an admission or any form of implication that the information constitutes prior art already known to those skilled in the art.

Claims

1. A mobile energy storage electric vehicle charging device, characterized in that: include: A mobile vehicle body, a box body, at least one charging interface, at least one discharging interface and a lithium-ion battery energy storage system; wherein, The box is arranged on the movable vehicle body; The charging interface and the discharging interface are respectively arranged on the side walls of the box; The lithium-ion battery energy storage system is arranged in the box and is electrically connected to each charging interface and each discharging interface. It can charge and store electric energy through each charging interface and release it through each discharging interface to provide electric energy for each electric vehicle.

2. The mobile energy storage electric vehicle charging device according to claim 1, characterized in that: The lithium-ion battery energy storage system comprises: Lithium-ion battery pack, supporting safety circuit, main control device, metering device and wireless communication device; among which, The lithium-ion battery pack is electrically connected to the supporting safety circuit and can be safely charged to store electrical energy and discharged to provide electrical energy; The metering device is electrically connected to the lithium-ion battery pack and can measure the amount of electricity charged into each charging interface and the amount of electricity output from each discharging interface; The main control device is electrically connected to the lithium-ion battery pack and the metering device, respectively, and can control the discharge time of each discharge interface according to the received user input time and the power output of each discharge interface measured by the metering device; and control the charging time of the lithium-ion battery pack according to the power charged into each charging interface measured by the metering device; The wireless communication device is electrically connected to the lithium-ion battery pack and the main control device respectively, and can realize remote communication and perform background monitoring on the charging state and discharging state of the lithium-ion battery pack.

3. The mobile energy storage electric vehicle charging device according to claim 2, characterized in that: The lithium-ion battery pack is a lithium-ion battery pack that can store 1935 degrees of electrical energy.

4. The mobile energy storage electric vehicle charging device according to claim 2, characterized in that: The main control device is provided with a human-computer dialogue touch screen, which can receive the duration input by the user and display the power output of each discharge interface.

5. The mobile energy storage electric vehicle charging device according to any one of claims 1 to 4, characterized in that: The mobile vehicle body adopts a semi-trailer electric vehicle; The box body is a container, which is fixedly arranged on the trailer of the semi-trailer electric vehicle.

6. The mobile energy storage electric vehicle charging device according to any one of claims 1 to 4, characterized in that: The discharge interface adopts a standard fast charging gun.

7. The mobile energy storage electric vehicle charging device according to any one of claims 1 to 4, characterized in that: There are 12 charging ports, and two charging ports are connected as a group; There are 10 discharge interfaces, and two connections form a group.

8. The mobile energy storage electric vehicle charging device according to any one of claims 1 to 4, characterized in that: Also includes: The automatic fire extinguishing device is arranged in the box and can detect the temperature of the lithium-ion battery energy storage system in the box and automatically extinguish the fire according to the preset temperature.

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