Movable energy storage charging device

Abstract

The invention relates to the technical field of energy storage charging devices, in particular to a movable energy storage charging device which comprises a base, moving wheels located at the bottom of the base, a battery pack located at the top of the base and a charging wire capable of being connected with the battery pack in an inserted mode. The charging wire is connected with a conversion module, and the end part of the charging wire is connected with a charging gun; the vertical distance between the topmost end of the battery pack and the bottommost end of the moving wheel is less than or equal to 130mm; the battery pack comprises a lithium battery and a hydrogen fuel battery which are connected through a lead, and the lithium battery and the hydrogen fuel battery are both provided with interfaces which can be in plug-in connection with the charging wire; the charging device is convenient to move, vehicles can be charged in an existing parking lot without a charging pile, the charging pile does not need to be installed and fixed, the number of the charging devices can be increased and decreased at any time according to the usage amount, and the utilization rate of the charging devices is increased; the charging device can move at any time and is not limited by places, and when the vehicle is parked in any parking space, the charging device can move to charge the vehicle.

Description

Technical Field

[0001] The invention relates to the technical field of energy storage and charging devices, in particular to a movable energy storage and charging device. Background Art

[0002] Compared with ordinary parking spaces, new energy vehicle charging parking spaces occupy larger areas and require greater capital investment. Low utilization rates after construction will result in losses. In addition, new energy charging piles are fixed and it is not convenient to increase or decrease them according to utilization rates. New energy charging parking spaces may also be occupied by gasoline vehicles, resulting in the inability to charge new energy vehicles. The above disadvantages limit the development of new energy vehicle charging facilities. Summary of the invention

[0003] The main purpose of the present invention is to provide a movable energy storage and charging device to solve the problems in the above-mentioned prior art that the new energy vehicle charging parking space occupies a larger area, requires a larger capital investment, and the new energy charging pile cannot be moved.

[0004] In order to achieve the above-mentioned objectives, the present invention provides a movable energy storage and charging device, including a base, movable wheels located at the bottom of the base, a battery pack located at the top of the base, and a charging cable that can be plugged into the battery pack; a conversion module is connected to the charging cable, and a charging gun is connected to the end of the charging cable.

[0005] Furthermore, a vertical distance between the top end of the battery pack and the bottom end of the moving wheel is less than or equal to 130 mm.

[0006] Furthermore, the battery pack includes a lithium battery and a hydrogen fuel cell connected by a wire, and both the lithium battery and the hydrogen fuel cell are provided with an interface that can be plugged into a charging cable.

[0007] Furthermore, the hydrogen fuel cell is connected to a hydrogen storage tank via a pipeline, and the hydrogen storage tank is connected to a heat exchange device.

[0008] Furthermore, the heat exchange device includes an annular circulation pipe and a radiator, a water pump and a water tank connected to the annular circulation pipe; a cooling pipe is arranged inside the hydrogen storage tank, and the cooling pipe is connected to the annular circulation pipe; and a plurality of fins are arranged on the outside of the cooling pipe.

[0009] Furthermore, the annular circulation pipe includes a heat exchanger branch pipe, the radiator is located on the heat exchanger branch pipe, both ends of the heat exchanger branch pipe are connected in parallel with bypass pipes, and valves are provided on the heat exchanger branch pipe and the bypass pipe.

[0010] Furthermore, the conversion module is provided with a socket for connecting to a city power line.

[0011] Furthermore, the moving wheel is transmission-connected with a driving motor, and the driving motor is connected to a lithium battery via a wire.

[0012] The mobile energy storage charging device of the present invention is easy to move, and can charge vehicles in existing parking lots without charging piles. There is no need to install fixed charging piles, and the charging devices can be increased and decreased at any time according to usage, thereby improving the utilization rate of the charging devices. The charging device can be moved at any time and is not restricted by the site. The charging device can be moved to charge the vehicle when the vehicle is parked in any parking space.

[0013] The mobile energy storage charging device of the present invention is small in size and can be placed under a vehicle to charge the vehicle. It does not occupy additional space when charging the vehicle, thus reducing costs. The charging device has multiple modes such as AC charging, lithium battery charging, and hydrogen fuel cell charging. When a problem occurs in one mode, it can ensure that the vehicle is charged in other modes, and the charging device is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0015] Figure 1 It is a structural schematic diagram of a movable energy storage and charging device in an embodiment; Figure 2 It is a structural schematic diagram of the heat exchange device in the embodiment; Figure 3 It is a structural schematic diagram of the hydrogen storage tank in the embodiment; Figure 4 Schematic diagram of the use status of the movable energy storage and charging device in the embodiment.

[0016] In the figure: 1. Base; 2. Moving wheels; 3. Charging cable; 4. Conversion module; 5. Charging gun; 6. Lithium battery; 7. Hydrogen fuel cell; 8. Hydrogen storage tank; 9. Ring circulation pipe; 10. Radiator; 11. Water pump; 12. Water tank; 13. Bypass pipe. DETAILED DESCRIPTION

[0017] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0018] like Figures 1 to 4 As shown, a movable energy storage charging device includes a base 1, a movable wheel 2 located at the bottom of the base 1, a battery pack located at the top of the base 1, and a charging cable 3 that can be plugged into the battery pack; a conversion module 4 is connected to the charging cable 3, and the conversion module 4 is used to convert the direct current of the battery pack into a voltage and current suitable for charging an electric vehicle; a charging gun 5 is connected to the end of the charging cable 3.

[0019] The vertical distance between the top of the battery pack and the bottom of the moving wheel 2 is 130 mm, and this height can ensure that the charging device can enter the bottom of most new energy vehicles.

[0020] The battery pack includes a lithium battery 6 and a hydrogen fuel cell 7 connected by wires. Both the lithium battery 6 and the hydrogen fuel cell 7 are provided with interfaces that can be plugged into the charging cable 3; both the lithium battery 6 and the hydrogen fuel cell 7 can charge the new energy vehicle, the hydrogen fuel cell 7 can charge the lithium battery 6, and the lithium battery 6 can also be charged using AC power.

[0021] The hydrogen fuel cell 7 is connected to a hydrogen storage tank 8 via a pipeline, and the hydrogen storage tank 8 is connected to a heat exchange device.

[0022] The heat exchange device includes an annular circulation pipe 9 and a radiator 10, a water pump 11 and a water tank 12 connected to the annular circulation pipe 9; a cooling pipe 801 is arranged inside the hydrogen storage tank 8, and the cooling pipe 801 is connected to the annular circulation pipe 9; a plurality of fins 802 are arranged on the outside of the cooling pipe 801, and the fins 802 can improve the heat exchange efficiency.

[0023] The annular circulation pipe 9 includes a heat exchanger branch pipe, a radiator 10 is located on the heat exchanger branch pipe, two ends of the heat exchanger branch pipe are connected in parallel with a bypass pipe 13, and valves are provided on the heat exchanger branch pipe and the bypass pipe 13.

[0024] The water pump 11 promotes the circulation of the water refrigerant or silicone oil in the water tank 12, and transfers the heat from the hydrogen storage tank 8 to the water tank 12 when the hydrogen storage tank 8 is filled with hydrogen, and stores the heat through the water tank 12; if the temperature of the liquid in the water tank does not exceed the limit value, the valve on the bypass pipe 13 is opened, and the valve on the heat exchanger branch pipe is closed, and the fluid directly enters the water tank through the bypass pipe 13; if the temperature of the liquid in the water tank exceeds the limit value, the valve on the bypass pipe 13 is closed, and the valve on the heat exchanger branch pipe is opened, and the water passes through the radiator 10, and the radiator 10 dissipates the heat to the environment to keep the system temperature stable.

[0025] At the same time, when the hydrogen storage tank is discharging hydrogen, the liquid with relatively high temperature in the water tank 12 is transported to the location of the hydrogen storage tank 8 through a pipeline by the water pump 11, and the heat is provided to the dehydrogenation process through the heat exchange structure in the hydrogen storage tank 8, thereby meeting the heat demand in the dehydrogenation process and improving the dehydrogenation performance.

[0026] The water pump 11 promotes the circulation of water refrigerant or silicone oil in the water tank 12, transferring heat from the hydrogen storage tank 8 to the radiator 10, and the radiator 10 dissipates the heat into the environment to keep the system temperature stable.

[0027] The conversion module 4 is provided with a socket for connecting to the mains power line; the conversion module 4 can be charged directly using the mains power.

[0028] In some embodiments, the moving wheel 2 is connected to a driving motor, and the driving motor is connected to a lithium battery 6 through a wire, and the lithium battery 6 supplies power to the driving motor.

[0029] The mobile energy storage charging device of this embodiment is easy to move, and can charge vehicles in existing parking lots that do not have charging piles. There is no need to install fixed charging piles, and the charging devices can be increased and decreased at any time according to usage, thereby improving the utilization rate of the charging devices. The charging device can be moved at any time and is not restricted by the site. The vehicle can be parked in any parking space and the charging device can be moved to charge the vehicle.

[0030] The mobile energy storage charging device of this embodiment is small in size and can be placed under the vehicle to charge the vehicle. It does not occupy additional space when charging the vehicle, reducing costs. The charging device has multiple modes such as AC charging, lithium battery charging, and hydrogen fuel cell charging. When a problem occurs in one mode, it can ensure that the vehicle is charged in other modes, and the charging device is more stable.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable energy storage and charging device, characterized in that: The invention comprises a base (1), a moving wheel (2) located at the bottom of the base (1), a battery pack located at the top of the base (1), and a charging cable (3) capable of being plugged into the battery pack; the charging cable (3) is connected to a conversion module (4), and the end of the charging cable (3) is connected to a charging gun (5).

2. The portable energy storage and charging device according to claim 1, characterized in that: The vertical distance between the top end of the battery pack and the bottom end of the moving wheel (2) is less than or equal to 130 mm.

3. The portable energy storage and charging device according to claim 1, characterized in that: The battery pack comprises a lithium battery (6) and a hydrogen fuel cell (7) connected by a wire, and both the lithium battery (6) and the hydrogen fuel cell (7) are provided with an interface capable of being plugged into a charging cable (3).

4. The portable energy storage and charging device according to claim 3, characterized in that: The hydrogen fuel cell (7) is connected to a hydrogen storage tank (8) via a pipeline, and the hydrogen storage tank (8) is connected to a heat exchange device.

5. The portable energy storage and charging device according to claim 4, characterized in that: The heat exchange device comprises an annular circulation pipe (9) and a radiator (10), a water pump (11) and a water tank (12) connected to the annular circulation pipe (9); a cooling pipe (801) is arranged inside the hydrogen storage tank (8), and the cooling pipe (801) is connected to the annular circulation pipe (9); and a plurality of fins (802) are arranged on the outside of the cooling pipe (801).

6. The portable energy storage and charging device according to claim 5, characterized in that: The annular circulation pipe (9) comprises a heat exchanger branch pipe, the radiator (10) is located on the heat exchanger branch pipe, both ends of the heat exchanger branch pipe are connected in parallel with a bypass pipe (13), and valves are provided on the heat exchanger branch pipe and the bypass pipe (13).

7. The portable energy storage and charging device according to claim 1, characterized in that: The conversion module (4) is provided with a socket for connecting to a mains power line.

8. The portable energy storage and charging device according to claim 1, characterized in that: The moving wheel (2) is drivingly connected to a drive motor, and the drive motor is connected to a lithium battery (6) via a wire.

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