Special air-cooled container energy storage structure

Abstract

The utility model provides a special air-cooled container energy storage structure which comprises a box body conforming to a standard container, the box body is a rectangular box body, and a control area, an energy storage converter and a battery cluster area integrated by a plurality of single batteries are sequentially arranged in the rectangular box body from one side to the other side. Air-cooled air conditioners can be externally hung on the front side and the rear side of the battery cluster area; a plurality of supporting ground beams arranged at intervals are arranged in the bottom edge of the box body, and a plurality of edge stand columns arranged at intervals are arranged in the vertical face of the box body. According to the container structure of the special air-cooled energy storage system, the container body conforming to a standard container is adopted, the container structure of the special air-cooled energy storage system can meet the requirement for mutual fixed stacking and transportation with the standard container, and the container structure conforms to ISO international standard container stacking and transportation, so that the whole energy storage system is convenient to export and transport; by means of the method that supporting assemblies are additionally arranged on supporting ground beams inside the container and outer side stand columns, the special energy storage container meets the requirements of the ISO international standard.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage containers, in particular to a special air-cooled container energy storage structure for a 1mW / 1.38mWh air-cooled energy storage power station, and the battery rack is assembled. Background Art

[0002] At present, the energy storage system plays an important role in the storage of distributed energy, the regulation of smart grids, and the development of the energy Internet in the field of energy storage. As an electric energy storage and transfer device, the energy storage system integrates a battery cluster, an air-conditioning system, a power conversion system (PCS system), a fire protection system, a control system, etc. The more the number of battery cores in the energy storage system, the higher its energy density. There are the following technical defects: the energy density of the energy storage system in the standard container volume of the prior art is not high, the overall export transportation of the entire energy storage system is not convenient, and it is difficult to transport and install the energy storage container as a whole.

[0003] Therefore, how to design a special air-cooled container energy storage structure has become an urgent problem to be solved. Summary of the Utility Model

[0004] Aiming at the problems existing in the prior art, the utility model provides a special air-cooled container energy storage structure to solve at least one of the above technical problems.

[0005] The technical solution of the utility model is: a special air-cooled container energy storage structure, including a box body conforming to a standard container, the box body is a rectangular box body, and a control area, a power conversion system, and a battery cluster area integrated with several battery monomers are sequentially arranged in the rectangular box body from one side to the other side. Air-cooled air conditioners can be externally hung on both the front and rear sides of the battery cluster area; several support ground beams are arranged at intervals inside the bottom edge of the box body, and several side columns are arranged at intervals inside the vertical surface of the box body.

[0006] The utility model adopts a box body conforming to a standard container, which can meet the container structure of a special air-cooled energy storage system that can be fixedly stacked and transported with a standard container, aiming to improve the energy density of the container energy storage system, conform to the stacking and transportation of ISO international standard containers, and make the overall export transportation of the energy storage system convenient. The box body structure internally accommodates a battery cluster integrated with battery monomers, a power conversion system (PCS system), an EMS control system, etc.; by adding support components to the support ground beams and outer side columns inside the container; so that the special energy storage container meets the requirements of ISO international standards. Description of the Drawings

[0007] Figure 1 It is a top view of the utility model.

[0008] Figure 2 It is a rear view of the utility model.

[0009] Figure 3 This is the three-dimensional view of the installation structure of the present utility model.

[0010] In the figure: 1. Control box; 2. Fire protection device; 3. Energy storage converter; 4. Air-cooled air conditioner; 5. Box body; 6. Top corner piece; 7. Bottom corner piece; 8. Lifting ring; 9. Air inlet and outlet; 10. Reinforcing diagonal bar. Specific embodiments

[0011] The following further describes the present utility model with reference to the accompanying drawings.

[0012] Refer to Figures 1-3 , the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the limiting conditions under which the present utility model can be implemented. Therefore, they do not have technical essence. Any modification of the structure, change of the ratio relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of clear narration and are not used to limit the scope under which the present utility model can be implemented. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope under which the present utility model can be implemented.

[0013] Embodiment 1. A special air-cooled container energy storage structure, refer to Figure 1, including a box body 5 conforming to a standard container. The box body 5 is a rectangular box body. Inside the rectangular box body, a control area, an energy storage converter 3, and a battery cluster area integrated with several battery monomers are arranged in sequence from one side to the other side. Air-cooled air conditioners 4 can be externally hung on both the front and rear sides of the battery cluster area; several support ground beams are arranged at intervals inside the bottom edge of the box body 5, and several side columns are arranged at intervals inside the vertical surface of the box body 5. The utility model adopts a box body conforming to a standard container, which can meet the structure of a special air-cooled energy storage system container for mutual fixed stacking and transportation with a standard container, aiming to improve the energy density of the container energy storage system, conform to the stacking and transportation of ISO international standard containers, facilitate the overall export transportation of the energy storage system, and the internal of the box body structure houses a battery cluster integrated with battery monomers, an energy storage converter (PCS system), an EMS control system, etc.; by adding support components to the support ground beams and outer side columns inside the container, the special energy storage container meets the requirements of ISO international standards; the special air-cooled energy storage system container can be stacked with the standard container box body directly for transportation, without placing the special air-cooled energy storage system container in the standard container or putting it into the cargo hold for special cargo protection transportation, improving the structural standardization of the special container and meeting the requirements of ISO international standards; at the same time, it also improves the transportation convenience of the energy storage system. The container can be assembled and powered on for use as soon as it lands at the client side, improving the adaptability of the special air-cooled energy storage container and avoiding problems such as repeated installation and construction when arriving.

[0014] Embodiment 2: On the basis of Embodiment 1, a control box 1 is arranged at the rear of the control area, and a fire-fighting device 2 is arranged at the front of the control box 1. The utility model adopts a box body structure with a fire-fighting device housed inside to ensure the safety of transportation and use.

[0015] Embodiment 3: On the basis of Embodiment 1, referring to Figure 2 , corner fittings 6 are respectively arranged at the four corners of the top edge of the box body 5. The four corner fittings 6 include 2 left corner fittings and 2 right corner fittings, and the four corner fittings 6 are symmetrically arranged in the length direction and width direction of the box body 5 respectively; bottom corner fittings 7 are respectively arranged at the four corners of the bottom edge of the box body 5. The four bottom corner fittings 7 include 2 left bottom corner fittings and 2 right bottom corner fittings, and the four bottom corner fittings 7 are symmetrically arranged in the length direction and width direction of the box body 5 respectively. The utility model adopts a special air-cooled energy storage container with a container corner fitting assembly, and corner fittings are arranged at all four ends, which is beneficial for the energy storage container to meet the operations of lifting, handling, and transportation fixation of standard container spreaders at each port; by symmetrically arranging the four top corner fittings in the length direction of the box body and the four bottom corner fittings respectively in the length direction of the box body, it is beneficial for the lifting and transfer operations of the energy storage container; by symmetrically arranging the four top corner fittings in the width direction of the box body and the four bottom corner fittings respectively in the width direction of the box body, it is beneficial for fixing the energy storage container and the transportation carrier.

[0016] Example 4: On the basis of Example 1, with reference to Figure 3 , hoisting rings 8 are arranged at intervals on the long sides of the bottom of the box body 5. The hoisting rings 8 are located on the side far from the center of the box body 5, and the hoisting rings 8 are arranged corresponding to the supporting ground beam. The utility model fixes the supporting ground beam through the hoisting rings; the hoisting rings on the supporting ground beam can be opened and used in combination with the container corner fittings when the flatbed vehicle or crane moves to the installation position, ensuring the stability of transportation; hoisting rings are arranged at the positions of the ground beams on both sides of the energy storage container. The four hoisting rings are respectively arranged on both sides of the energy storage container. The hoisting rings are arranged at the corresponding points of the evenly distributed structure, which is beneficial to the uniform force of the hoisting belt when the equipment is hoisted and is beneficial to improving the hoisting stability of the energy storage container. Combining the requirements of the customer site and the ISO international standard container, the hoisting rings can meet the hoisting and transportation fixing requirements of the energy storage container in different scenarios at the customer site.

[0017] Example 5: On the basis of Example 1, air inlets and outlets 9 are arranged at the front and rear parts of the energy storage converter 3. The air inlets and outlets 9 adopt the ventilation method of lower inlet and upper outlet. The utility model adopts the ventilation method of lower inlet and upper outlet, and the air inlets and outlets form a heat dissipation channel, which not only solves the heat dissipation problem of the energy storage converter, but also reduces the power loss of heat dissipation.

[0018] Example 6: On the basis of Example 1, there are eight air-cooled air conditioners 4, and the areas where the eight air-cooled air conditioners 4 are located are all battery cluster installation areas. The utility model uses eight externally mounted air-cooled air conditioners to dissipate heat from each battery cluster inside the energy storage container, and each battery cluster is independently managed to ensure good heat dissipation effect.

[0019] Example 7: On the basis of Example 6, the eight battery cluster installation areas are divided into four groups of battery cluster installation areas. In any group of battery cluster installation areas, battery clusters are arranged symmetrically along the front-rear direction. The four groups of battery cluster installation areas include the first group of battery cluster installation areas close to the control box 1. The first group of battery cluster installation areas are sequentially provided with the second group of battery cluster installation areas, the third group of battery cluster installation areas, and the fourth group of battery cluster installation areas towards the side away from the control box 1. Side columns are arranged in the first group of battery cluster installation areas and the fourth group of battery cluster installation areas. The second group of battery cluster installation areas and the third group of battery cluster installation areas are between the side columns of the first group of battery cluster installation areas and the side columns of the fourth group of battery cluster installation areas. The utility model uses eight battery cluster installation areas to respectively install externally mounted air-cooled air conditioners, which can dissipate heat from the inside of the energy storage container and has a good heat dissipation effect; after the energy storage container is transported to the user's place of use, the components of the air-cooled air conditioner are installed and directly powered on for use, without the need for cumbersome assembly and combination operations.

[0020] Embodiment 8: On the basis of Embodiment 7, a reinforcing diagonal bar 10 arranged in a V shape is provided at the lower part of the second battery cluster installation area and the third battery cluster installation area. The reinforcing diagonal bar 10 arranged in a V shape is between the bottom edge of the box body 5, the side columns of the first battery cluster installation area and the side columns of the fourth battery cluster installation area. In the present utility model, the reinforcing diagonal bar is arranged between the bottom beam (the bottom edge of the box body) and the side columns. The self-weight of the reinforced stay is relatively light, the overall weight of the special container increases less, the placement of the battery clusters inside the container is not affected, which is beneficial to improving the energy density of the energy storage container; the reinforcing diagonal bar plays a strengthening role to improve the strength of the overall box body of the energy storage container and can improve the stability of the structure during transportation; due to the stability of the triangular structure, the overall structure of the special energy storage container is strengthened, the force is favorably transmitted, the stability of the entire box body structure is increased, meeting the requirements of the ISO international standard, and it can be directly shipped without being limited by the transportation of non-standard size containers, nor does it need to be placed in the cargo hold for special cargo protection transportation; the reinforcing diagonal bar is detachably connected. After the energy storage container is transported to the user's place of use, the diagonal bar reinforcement support assembly of the energy storage container can be removed, and the components of the air-cooled air conditioner can be installed and directly powered on for use without performing cumbersome assembly and combination operations.

[0021] Embodiment 9: On the basis of Embodiment 8, a reinforcing diagonal bar 10 is provided at the lower part of the fourth battery cluster installation area. The reinforcing diagonal bar 10 in the fourth battery cluster installation area is arranged in a triangle with the bottom edge of the box body 5 and the columns of the box body 5. The reinforcing diagonal bar 10 in the fourth battery cluster installation area is arranged parallel to the reinforcing diagonal bar 10 in the third battery cluster installation area. In the present utility model, the reinforcing diagonal bar is arranged between the bottom beam (the bottom edge of the box body) and the side columns. The self-weight of the reinforced stay is relatively light, the overall weight of the special container increases less, the placement of the battery clusters inside the container is not affected, which is beneficial to improving the energy density of the energy storage container; the reinforcing diagonal bar plays a strengthening role to improve the strength of the overall box body of the energy storage container and can improve the stability of the structure during transportation; due to the stability of the triangular structure, the overall structure of the special energy storage container is strengthened, the force is favorably transmitted, the stability of the entire box body structure is increased, meeting the requirements of the ISO international standard, and it can be directly shipped without being limited by the transportation of non-standard size containers, nor does it need to be placed in the cargo hold for special cargo protection transportation; the reinforcing diagonal bar is detachably connected. After the energy storage container is transported to the user's place of use, the diagonal bar reinforcement support assembly of the energy storage container can be removed, and the components of the air-cooled air conditioner can be installed and directly powered on for use without performing cumbersome assembly and combination operations.

[0022] During specific implementation, the boundary dimensions of the overall special container of the present utility model are implemented according to the requirements of containers in the ISO international standard of the classification society. For dimensional requirements, the tolerances of ISO standard containers of the classification society are implemented, and the dimensions conform to the ISO international standard of the classification society; for the stacking load of the overall container, the stacking requirements of ISO standard containers of the classification society are adopted; the non-standard energy storage containers used in China are subjected to ISO international standardization of the main structure, and the structure of the special energy storage container is strengthened for transportation versatility. The structural dimensions of the special energy storage container conform to the ISO international standard, and it can adapt to the co-loading of standard containers, container fixing, and the lifting of port spreaders, making the transportation of the special air-cooled container more convenient for combined transportation with standard containers, and increasing the stronger adaptability of the standardization of the special energy storage container and the standardization of transportation.

[0023] After the energy storage container of the present utility model is transported to the user's location, the diagonal bar connection assembly is removed; the components of the air-cooled air conditioner are assembled to reduce the problem of occupying space during transportation, which is beneficial to improving the energy density of the energy storage container. The components of the air-cooled air conditioner and the energy storage container are transported independently, which can improve the transportation efficiency.

[0024] The above is only the preferred implementation manner of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A special air-cooled container energy storage structure, comprising a box body (5) conforming to a standard container, characterized in that: The box (5) is a rectangular box, in which a control area, an energy storage converter (3), and a battery cluster area where a plurality of battery cells are integrated are arranged in sequence from one side to the other, and both the front and rear sides of the battery cluster area can be externally mounted with air-cooling air conditioners (4); a plurality of supporting ground beams arranged at intervals are arranged in the bottom edge of the box (5), and a plurality of side columns arranged at intervals are arranged in the vertical surface of the box (5).

2. A special air-cooled container energy storage structure according to claim 1, characterized in that: A control box (1) is arranged at the rear of the control area, and a fire-fighting device (2) is arranged at the front of the control box (1).

3. A special air-cooled container energy storage structure according to claim 1, characterized in that: Top corner pieces (6) are respectively arranged at the four corners of the top side of the box body (5), the four top corner pieces (6) include two left top corner pieces and two right top corner pieces, and the four top corner pieces (6) are respectively arranged symmetrically in the length direction and width direction of the box body (5); bottom corner pieces (7) are respectively arranged at the four corners of the bottom side of the box body (5), the four bottom corner pieces (7) include two left bottom corner pieces and two right bottom corner pieces, and the four bottom corner pieces (7) are respectively arranged symmetrically in the length direction and width direction of the box body (5).

4. The special air-cooled container energy storage structure according to claim 1 is characterized in that: The bottom long sides of the box body (5) are provided with lifting rings (8) arranged at intervals, the lifting rings (8) are located on a side away from the center of the box body (5), and the lifting rings (8) are arranged corresponding to the supporting ground beams.

5. The special air-cooled container energy storage structure according to claim 1 is characterized in that: The front and rear parts of the energy storage converter (3) are both provided with air inlets and outlets (9), and the air inlets and outlets (9) adopt a bottom-in-top-out ventilation mode.

6. The special air-cooled container energy storage structure according to claim 1 is characterized in that: There are eight air-cooling air conditioners (4), and the areas where the eight air-cooling air conditioners (4) are located are all battery cluster installation areas.

7. A special air-cooled container energy storage structure according to claim 6, characterized in that: The eight battery cluster installation areas are divided into four groups of battery cluster installation areas, and any one of the battery cluster installation areas is provided with battery clusters symmetrically arranged along the front-to-back direction. The four groups of battery cluster installation areas include a first group of battery cluster installation areas close to the control box (1), and the first group of battery cluster installation areas are provided with a second group of battery cluster installation areas, a third group of battery cluster installation areas, and a fourth group of battery cluster installation areas in sequence toward a side away from the control box (1). The first group of battery cluster installation areas and the fourth group of battery cluster installation areas are both provided with side columns, and the second group of battery cluster installation areas and the third group of battery cluster installation areas are between the side columns of the first group of battery cluster installation areas and the side columns of the fourth group of battery cluster installation areas.

8. A special air-cooled container energy storage structure according to claim 7, characterized in that: The lower parts of the second battery cluster installation area and the third battery cluster installation area are provided with V-shaped reinforcing diagonal bars (10), and the V-shaped reinforcing diagonal bars (10) are between the bottom edge of the box body (5), the side columns of the first battery cluster installation area, and the side columns of the fourth battery cluster installation area.

9. A special air-cooled container energy storage structure according to claim 8, characterized in that: A reinforcing diagonal rod (10) is provided at the lower part of the fourth battery cluster installation area, and the reinforcing diagonal rod (10) of the fourth battery cluster installation area is arranged in parallel with the reinforcing diagonal rod (10) of the third battery cluster installation area.

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