Mobile energy storage device

Abstract

The utility model relates to the field of mobile energy storage equipment, in particular to a mobile energy storage device, which comprises a box body, trundles are arranged at the bottom of the box body, and an inner cavity of the box body comprises an upper area and a lower area which are arranged up and down; the energy storage module is arranged in the lower area and is locked and fixed with the box body; the inverter is arranged on one side of the upper area and is locked and fixed with the box body; and the BMS protection plate is arranged on the other side of the upper area and is locked and fixed with the box body. According to the mobile energy storage device provided by the utility model, through the modular design, the internal structure space of the whole machine is combined with each part to carry out the minimum design, the small volume, large capacity, high output and mobility are realized from the design, and the volumetric specific energy is effectively improved, so that the installation procedures are reduced, and the installation complexity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile energy storage device field especially relates to a mobile energy storage device. BACKGROUND

[0002] In recent years, with the improvement of people's living standards, more and more people join the outdoor camping project. With the development of economy, the public no longer stay in outdoor camping in a tent and a bonfire, but expect to be able to use various electrical appliances normally outdoors, so some portable energy storage devices have appeared on the market, such as the Chinese utility model patent with the application number CN202120678250.6 and the name of mobile energy storage device. These devices can solve the demand of the public for using high-power electrical appliances outdoors. However, the assembly method design of the energy storage devices on the market is relatively complicated, either the power is not large enough or the capacity is not large enough. The energy storage device that meets the large capacity and large power seriously exceeds the standard in size and weight, and the structure design and production assembly process are relatively complex. The assembly process requires tooling jigs and lifting devices, the cost is high, the assembly time is long, the production capacity cannot be improved, and there are hidden dangers in safety production for assembly workers. In order to save cost, most of the equipment uses cheaper cylindrical battery cells, resulting in larger module size and heavier weight under the same capacity, which poses a safety hazard to assembly workers. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a mobile energy storage device with compact structure and convenient assembly.

[0004] In order to solve the above technical problem, the utility model adopts the technical scheme of a mobile energy storage device, comprising:

[0005] The box body is provided with casters at the bottom, and the inner cavity of the box body comprises an upper region and a lower region arranged in an upper-lower manner;

[0006] The energy storage module is arranged in the lower region and fixed to the box body;

[0007] The inverter is arranged on one side of the upper region and fixed to the box body;

[0008] The BMS protection plate is arranged on the other side of the upper region and fixed to the box body.

[0009] Further, the side wall of the box body is provided with an input and output connector, and the input and output connector is connected with the inverter through a wire harness.

[0010] Further, the lower region is provided with a buffer block, and the buffer block is connected with the energy storage module and the box body respectively.

[0011] Further, the buffer block is glued with the energy storage module, and the buffer block is fixed by the module pressing strip and locked with the box.

[0012] Further, the energy storage module is glued with the bottom surface of the lower area.

[0013] Further, the energy storage module is locked with the bottom surface of the lower area through a screw rod.

[0014] Further, the BMS protection plate is fixed by being locked with the box through a support.

[0015] Further, the box is provided with an air inlet and an air outlet corresponding to the side wall of the upper area, and the air duct connecting the air inlet and the air outlet is arranged in the upper area.

[0016] Further, the top of the box is provided with a lifting ring.

[0017] Further, the side wall of the box has an opening, and a cover plate is arranged at the opening.

[0018] The mobile energy storage device divides the inner cavity of the box into two parts of an upper area and a lower area, the inverter and the BMS protection plate are installed side by side in the upper area, and the lower area is used to place the energy storage module. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the mobile energy storage device;

[0020] Figure 2 It is another structural schematic view of the mobile energy storage device;

[0021] Figure 3 It is another structural schematic view of the mobile energy storage device;

[0022] Figure 4 It is another structural schematic view of the mobile energy storage device;

[0023] Label explanation:

[0024] 1, box; 11, caster; 12, upper area; 13, lower area; 14, air inlet; 15, air outlet; 16, lifting ring; 17, cover plate; 2, energy storage module; 3, inverter; 4, BMS protection plate; 5, input and output connector; 6, buffer block; 61, module pressing strip. DETAILED DESCRIPTION

[0025] In order to describe the technical content of the utility model, the purposes and effects achieved, the following will be described in combination with the embodiments and the accompanying drawings.

[0026] Please refer to Figures 1 to 4 The utility model discloses a mobile energy storage device, comprising:

[0027] The box 1 is provided with a foot wheel 11 at the bottom, and the inner cavity of the box 1 comprises an upper region 12 and a lower region 13 arranged in an up-down manner.

[0028] The energy storage module 2 is arranged in the lower region 13 and fixedly connected with the box 1.

[0029] The inverter 3 is arranged at one side of the upper region 12 and fixedly connected with the box 1.

[0030] The BMS protection plate 4 is arranged at the other side of the upper region 12 and fixedly connected with the box 1.

[0031] From the above description, the utility model has the beneficial effects that the inner cavity of the box 1 is divided into the upper region 12 and the lower region 13, the inverter 3 and the BMS protection plate 4 are installed side by side in the upper region 12, and the energy storage module 2 is placed in the lower region 13, so that the mobile energy storage device can be placed horizontally during installation and transportation, and then be used vertically, the module design is adopted to minimize the internal structure space of the whole machine in combination with various components, and the design realizes "small volume, large capacity, high output and mobility", effectively improves the volume specific energy, and reduces the installation process and the installation complexity.

[0032] In the optional embodiment, the side wall of the box 1 is provided with an input and output connector 5, and the input and output connector 5 is connected with the inverter 3 through a wire harness.

[0033] In the optional embodiment, the lower region 13 is provided with a buffer block 6, and the buffer block 6 is connected with the energy storage module 2 and the box 1 respectively.

[0034] From the above description, the buffer block 6 plays a buffering protection role and improves the safety of the mobile energy storage device.

[0035] In the optional embodiment, the buffer block 6 is glued with the energy storage module 2, and the buffer block 6 is fixed through a module pressing strip 61 and fixedly connected with the box 1.

[0036] In the optional embodiment, the energy storage module 2 is glued with the bottom surface of the lower region 13.

[0037] In the optional embodiment, the energy storage module 2 is locked with the bottom surface of the lower region 13 through a screw rod.

[0038] In the optional embodiment, the BMS protection plate 4 is fixedly connected with the box 1 through a support.

[0039] In an optional embodiment, the side wall of the box 1 corresponding to the upper area 12 is provided with an air inlet 14 and an air outlet 15, and the upper area 12 is provided with an air duct connecting the air inlet 14 and the air outlet 15.

[0040] From the above description, it can be seen that the electrical components inside the box 1 are ventilated and cooled through the air inlet 14, the air outlet 15 and the air duct.

[0041] In an optional embodiment, the top of the box 1 is provided with a lifting ring 16.

[0042] From the above description, it can be seen that the lifting ring 16 is used as a lifting ring 16.

[0043] In an optional embodiment, the side wall of the box 1 has an opening, and the opening is provided with a cover plate 17.

[0044] From the above description, it can be seen that the cover plate 17 is convenient for disassembly and also can protect the electrical components in the box 1.

[0045] The installation principle of the mobile energy storage device of the utility model is:

[0046] Firstly, the box 1 is placed horizontally, and the high-power inverter 3 is vertically placed and fixed in the box 1;

[0047] Secondly, the connecting wire harness between the high-power inverter 3 (the output power is 6kW, the maximum charging power is 8kW, and the market is generally below 3kW) and the input and output connector 5 is plugged, and then the internal air duct between the air inlet 14 and the air outlet 15 is installed;

[0048] Thirdly, the BMS protection plate 4 is fixed to the upper right corner space of the box 1 through the support;

[0049] Fourthly, the large-capacity square energy storage module 2 (LFP square module, the total capacity reaches 14 degrees of electricity) is vertically placed in the lower box 1, and is first fixed on the bottom of the box 1 through the bottom glue, and then is fixed on the bottom of the box 1 by using 8 M6 long screws;

[0050] Fifthly, the four buffer blocks 6 are pasted on the module, the upper part is pressed by two module pressing strips 61, and is locked to the box 1, and is pressed and fixed again from the upper part of the module;

[0051] The carrying steps of the mobile energy storage device of the utility model include:

[0052] Firstly, in the production and packaging process, the two lifting rings 16 of the energy storage device in the horizontal state and the uppermost two of the Foma wheel are hoisted and transported through the tool;

[0053] Second, to reach the customer using process, the energy storage device is turned to stand up, through the bottom of four Foma wheel, can realize the freedom of movement left and right.

[0054] Please refer to Figures 1 to 4 The embodiment one of the utility model discloses a mobile energy storage device, comprising:

[0055] Box 1, bottom is equipped with trundle 11, and the inner chamber of box 1 includes upper region 12 and lower region 13 arranged in up and down;

[0056] Energy storage module 2 is arranged in lower region 13 and is fixed with box 1;

[0057] Inverter 3 is arranged in one side of upper region 12 and is fixed with box 1;

[0058] BMS protection board 4 is arranged in the other side of upper region 12 and is fixed with box 1.

[0059] The side wall of box 1 is equipped with input output connector 5, and input output connector 5 is connected with inverter 3 through wiring harness.Buffing block 6 is arranged in lower region 13, and buffing block 6 is connected with energy storage module 2 and box 1 respectively.Buffing block 6 is glued with energy storage module 2, and buffing block 6 is fixed with box 1 through module pressing strip 61.Energy storage module 2 is glued with the bottom surface of lower region 13.Energy storage module 2 is locked with the bottom surface of lower region 13 through screw rod.BMS protection board 4 is fixed with box 1 through support.The side wall of box 1 corresponding upper region 12 is equipped with air inlet 14 and air outlet 15, and air duct connecting air inlet 14 and air outlet 15 is arranged in upper region 12.The top of box 1 is equipped with lifting ring 16.The side wall of box 1 has opening, and cover plate 17 is arranged at opening.

[0060] The mobile energy storage device of the embodiment has the following advantages: (1) modular design, simple assembly, greatly shortened assembly time, improved production capacity, and greatly reduced manufacturing cost; (2) compact design, space utilization to the extreme, reducing transportation and storage space; (3) using large capacity LFP square cell, ensuring safety while maximizing module utilization space and effectively reducing the weight of the whole machine; (4) using modular high-power inverter 3 design, ensuring 6kW high-power output, one device can meet the simultaneous use requirements of outdoor multi-power equipment; at the same time, the limit 8kW charging power also ensures the rapid power supply of 14 degree battery.

[0061] In summary, the mobile energy storage device, the inner cavity of the box is divided into two parts of upper region and lower region, the upper region is installed with the inverter and BMS protection board side by side, the lower region is used to place the energy storage module, the mobile energy storage device is placed horizontally during installation and transportation, and is used vertically during use, through the modular design, the internal structure space of the whole machine is minimized in combination with each part, and "small volume, large capacity, high output and mobility" are realized in design, the volume specific energy is effectively improved, so that the installation process is reduced, and the installation complexity is reduced.

[0062] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation, direct or indirect application in the related technical field by using the utility model specification and the attached drawing contents are also included in the patent protection range of the utility model.

Claims

1. A mobile energy storage device, characterized in that, include: The box has casters at the bottom, and the internal cavity of the box includes an upper area and a lower area arranged vertically. The energy storage module is installed in the lower area and locked and fixed to the enclosure; The inverter is located on one side of the upper area and is locked and fixed to the enclosure; The BMS protection board is located on the other side of the upper area and is locked and fixed to the enclosure.

2. The mobile energy storage device according to claim 1, characterized in that, The side wall of the enclosure is equipped with input / output connectors, which are connected to the inverter via wiring harnesses.

3. The mobile energy storage device according to claim 1, characterized in that, The lower area is equipped with a buffer block, which is connected to the energy storage module and the housing respectively.

4. The mobile energy storage device according to claim 3, characterized in that, The buffer block is glued to the energy storage module, and the buffer block is fixed by the module pressure strip and locked to the housing.

5. The mobile energy storage device according to claim 1, characterized in that, The energy storage module is bonded to the bottom surface of the lower area.

6. The mobile energy storage device according to claim 1, characterized in that, The energy storage module is locked to the bottom surface of the lower area via a screw.

7. The mobile energy storage device according to claim 1, characterized in that, The BMS protection board is fixed to the enclosure by a bracket.

8. The mobile energy storage device according to claim 1, characterized in that, The side wall of the upper area of ​​the enclosure is provided with an air inlet and an air outlet, and the upper area is provided with an air duct connecting the air inlet and the air outlet.

9. The mobile energy storage device according to claim 1, characterized in that, The top of the box is equipped with a lifting ring.

10. The mobile energy storage device according to claim 1, characterized in that, The side wall of the box has an opening, and the opening is covered with a cover.

Images