Integrated liquid cooling energy storage cabinet

Abstract

The utility model provides an integrated liquid cooling energy storage cabinet, which comprises a supporting plate assembly, the supporting plate assembly comprises a supporting plate and a limiting plate, the supporting plate comprises a strip-shaped first plate body, the first plate body is provided with a first connecting hole, the outer side of the first plate body is provided with at least two hooks, the lower end of the first plate body is bent towards the direction of a mounting cavity to form a horizontal supporting part, and the lower end of the first plate body is provided with a second connecting hole. The upper surface of the supporting part forms a supporting surface; the limiting plate is mounted at the joint of the first plate body and the supporting part, a strip-shaped limiting surface is arranged on the limiting plate, and the front end of the limiting surface is bent outwards to form an inclined guide surface; the inner wall of the upper cavity is provided with a second connecting hole, a hanging hole and a supporting block. The integrated liquid cooling energy storage cabinet is compact in structure and reasonable in design, greatly improves the assembly and disassembly efficiency and safety of the battery module while ensuring the installation precision, reduces the maintenance cost, and is suitable for large-scale energy storage application.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of energy storage cabinets, in particular to a kind of integrated liquid cooling energy storage cabinet. BACKGROUND

[0002] Under the background of the global energy structure accelerates the transformation to renewable energy, as the key means to solve the intermittency and volatility of renewable energy, the importance of energy storage technology is increasingly prominent. Energy storage system is widely used in power generation side, power grid side and user side, etc. It plays an indispensable role in improving energy utilization efficiency and ensuring the stability and reliability of power system. In recent years, liquid cooling energy storage cabinet, as one of the core equipment of energy storage system, has received extensive attention and in-depth research.

[0003] A plurality of battery modules are installed in the energy storage cabinet. The battery modules are usually installed using a drawer-type support structure. In order to improve the installation precision, the width of the installation area between the supports is close to the width of the battery modules, thereby effectively controlling the installation precision of the battery modules in the left-right direction. This structure causes the distance between the side wall of the battery module and the inner wall of the support to be too small, making installation and disassembly very inconvenient and not conducive to daily maintenance. SUMMARY

[0004] Technical problems to be solved

[0005] The technical problem to be solved by the utility model is to provide an integrated liquid cooling energy storage cabinet with compact structure, high installation precision and convenient and labor-saving assembly and disassembly.

[0006] Technical solutions to solve the problems

[0007] The utility model provides an integrated liquid cooling energy storage cabinet, which comprises a cabinet body 1, an installation cavity with an open front end is formed in the cabinet body 1, two inner walls of the installation cavity are symmetrically provided with a support plate assembly 3 for installing battery modules, the support plate assemblies 3 are a plurality of and are equidistantly arranged vertically, the support plate assembly 3 comprises a support plate 31 and a limiting plate 32, the support plate 31 comprises a first plate body 311 in the shape of a strip, a first connecting hole 3110 for connecting the cabinet body 1 is formed in the first plate body 311, at least two hooks 3112 are arranged on the outer side of the first plate body 311, the lower end of the first plate body 311 is bent towards the installation cavity and forms a horizontal support part 312, and a support surface is formed on the upper surface of the support part 312; the limiting plate 32 is installed at the connection between the first plate body 311 and the support part 312, a limiting surface in the shape of a strip is arranged on the limiting plate 32, the limiting surface is perpendicular to the support surface and faces the installation cavity, and the front end of the limiting surface is bent outwards and forms an inclined guide surface; the inner wall of the installation cavity is provided with a second connecting hole 110 corresponding to the first connecting hole 3110 and a hanging hole 111 into which the hooks 3112 are inserted from top to bottom.

[0008] Further, the inner wall of the mounting cavity is further provided with a supporting block 17 capable of contacting and supporting the lower surface of the supporting plate 31.

[0009] Further, the height of the limiting surface is less than the height of the first plate body 311.

[0010] Further, the height of the limiting surface is 1 / 5-1 / 2 of the height of the first plate body 311.

[0011] Further, the distance between the limiting surface and the first plate body 311 is 1 / 4-1 / 3 of the width of the supporting part.

[0012] Further, the limiting plate 32 comprises a second plate body parallel to the first plate body 311, the second plate body is perpendicular to the supporting surface and the surface of the second plate body forms the limiting surface, the upper and lower ends of the second plate body are outwardly bent and form connecting parts, the limiting plate 32 is connected with the supporting plate through the connecting parts, the front end of the second plate body is outwardly and obliquely bent and forms the guiding surface, and the rear end of the second plate body is inwardly bent by 90 degrees and forms a limiting part 322.

[0013] Further, the lower end of the limiting part 322 has a gap with the supporting surface and has elasticity.

[0014] Further, the supporting block 17 is detachably mounted on the inner wall of the mounting cavity through bolts, the supporting block 17 comprises a bracket plate 172 capable of abutting the inner wall of the mounting cavity, the bracket plate 172 is provided with a third connecting hole for connecting with the cabinet, the upper end of the bracket plate 172 is inwardly bent and forms a supporting plate 171 for contacting and supporting the supporting plate 31, and a reinforcing rib 173 is arranged between the supporting plate 171 and the bracket plate 172.

[0015] Further, the end of the limiting part 322 is rearwardly bent and forms a protection part 323.

[0016] Further, the supporting block 17 is located directly below the hanging hole 111.

[0017] Further, the upper end of each of the hooks 3112 is provided with the first connecting hole 3110 on both sides.

[0018] Further, the hooks are three.

[0019] Further, the upper end of the first plate body 311 is outwardly bent and forms a reinforcing part 3113, and the reinforcing part 3113 is located between two adjacent hooks.

[0020] Beneficial effects

[0021] The utility model discloses an integrated liquid cooling energy storage cabinet, set up the stop plate, can ensure the installation precision at the same time, make the clearance between battery module and the tray, be favorable to the installation and disassembly of battery module, be favorable to routine maintenance, improve the operation convenience, the front end of stop plate sets up the inclined guide surface, for guiding battery module fast, accurate and inserting installation position, be favorable to the assembly of battery, the rear end of stop plate sets up the limiting portion, can realize the front and back limiting of battery module, improve the installation precision of battery module, and simple structure, low in manufacturing cost, and the limiting effect is good, the tray adopts the design of multiple hooks, ensure and the close connection with the stand, strengthen the overall stability and the carrying capacity, the lateral wall of tray sets up the strengthening portion, can improve the structural stiffness of tray, prevent the deformation, prolong the life, set up the support block, can disperse the bearing pressure, avoid stress concentration, ensure that the tray and the stand junction do not deform, improve the reliability and stability of overall structure, ensure the safe operation of battery module, the utility model discloses an integrated liquid cooling energy storage cabinet, compact structure, reasonable in design, ensure the installation precision at the same time, improve the efficiency of battery module and safety of unloading greatly, reduce the maintenance cost, be applicable to large-scale energy storage application. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic diagram of the utility model discloses an integrated liquid cooling energy storage cabinet;

[0023] Figure 2 It is the sectional view of the utility model discloses an integrated liquid cooling energy storage cabinet;

[0024] Figure 3 It is the structure schematic diagram of the cabinet of the utility model discloses an integrated liquid cooling energy storage cabinet;

[0025] Figure 4 It is the internal structure schematic diagram of the cabinet of the utility model discloses an integrated liquid cooling energy storage cabinet;

[0026] Figure 5 It is Figure 4 The enlarged view of A portion in

[0027] Figure 6 It is the structure schematic diagram of the support block of the utility model discloses an integrated liquid cooling energy storage cabinet;

[0028] Figure 7 It is the structure schematic diagram of the tray assembly of the utility model discloses an integrated liquid cooling energy storage cabinet;

[0029] Figure 8 It is Figure 7 The enlarged view of B portion in

[0030] Figure 9 It is Figure 7 The enlarged view of C portion in

[0031] Figure 10Another angle structure schematic view of the push plate assembly of the integral liquid cooling energy storage cabinet of the utility model.

[0032] Figure 11 For Figure 10 The enlarged view of the D part. DETAILED DESCRIPTION

[0033] The utility model embodiment will be introduced in detail below with reference to the drawings.

[0034] Referring to Figures 1-11 The utility model provides a kind of integral liquid cooling energy storage cabinet, including cabinet 1, the cabinet 1 is overall as cuboid vertical structure, chamber is formed in cabinet 1, the front end of the chamber is open (open), cabinet door 13 is provided at the front end opening end of the chamber, the cabinet door 13 is hinged on cabinet 1 and rotates;Horizontal baffle 12 is provided in chamber, the horizontal baffle 12 separates into lower cavity 10b and upper cavity 10a, wherein, upper cavity 10a is used for installing battery module, as installation cavity, lower cavity 10b is used for installing liquid cooling module and control module, simultaneously, upper cavity 10a is a sealed chamber, heat insulation cotton is provided in the side wall of upper cavity 10a (installation cavity), prevent heat exchange with the outside of cabinet, to further make internal condensate, improve use safety;Simultaneously, heat dissipation hole is provided in the side wall of lower cavity 10b, for the heat dissipation of whole machine.

[0035] The above-mentioned cabinet 1 includes a frame structure 11 and the side plate provided outside the frame structure 11, wherein, the frame structure is made of rectangular metal pipe, it includes stand, and at least three stands are respectively provided on left and right sides, the top and bottom of stand are connected by crossbeam respectively, form a cuboid frame structure, four lifting parts 15 are provided on the top of frame structure, four fixed plates 14 for being fixed with bottom surface are provided on the four corners of frame structure, the bottom surface of fixed plate is flush with the bottom surface of frame structure, mounting hole for allowing foundation bolt to pass through is provided on fixed plate;Side plate includes left and right side plates, upper and lower side plates and rear side plate, to form the structure of front end opening, simultaneously, sealing pad is provided between cabinet door 13 and the front end contact surface of upper cavity, to form sealed chamber in the inside of upper cavity.

[0036] Two inner walls of upper cavity 10a (installation cavity) left and right are provided with supporting plate assembly 3 symmetrically, form a front end open installation area between two supporting plate assemblies 3 on the same horizontal plane, for installing battery module, when installing, battery module can be inserted into the installation area from front to back, and is fixed by bolt;The supporting plate assembly 3 is multiple, and equidistantly arranged, therefore, multiple battery modules can be installed simultaneously.

[0037] In the embodiment, the supporting plate assembly 3 comprises a supporting plate 31 and a limiting plate 32, both of which are strip-shaped structures and have a length direction parallel to the depth direction of the mounting cavity, i.e. parallel to the front-rear direction of the cabinet body. The supporting plate 31 is used for supporting the battery module, and the limiting plate is used for limiting the left-right movement of the battery module and generating a certain gap between the side wall of the battery module and the inner side of the supporting plate 31, so as to facilitate the loading and unloading of the battery module. Specifically, the supporting plate 31 comprises a strip-shaped first plate body 311 which can be attached to the inner wall of the cabinet body, specifically the inner wall of the frame structure 11 of the cabinet body. A first connecting hole 3110 is formed on the first plate body 311 and is used for connecting with the cabinet body 1. Meanwhile, a second connecting hole 110 corresponding to the first connecting hole 3110 is arranged on the inner wall of the cabinet body (the upper cavity), and the first plate body 311 is connected and fixed with the cabinet frame structure 11 through a bolt. A downward hook 3112 is arranged on the outer side of the first plate body 311, and the hook 3112 is at least two, specifically three in the embodiment, and is arranged at the two ends and the middle position of the first plate body. Meanwhile, a hook hole 111 corresponding to the hook 3112 is arranged on the inner wall of the cabinet body (the upper cavity), and the hook hole 111 can accommodate the hook 3112 to be inserted from top to bottom and be fixed. The lower end of the first plate body 311 is bent by 90 degrees towards the mounting cavity, i.e. the lower ends of the two sides of the first plate body 311 are bent towards each other to form a support part 312. The support part 312 is horizontal, and the upper surface of the support part 312 forms a support surface which is used for contacting and supporting the bottom surface of the battery module. An L-shaped right-angle structure is formed between the first plate body 311 and the support part 312.

[0038] The limiting plate 32 is arranged at the connecting position of the first plate body 311 and the support part 312, i.e. between the included angle of the first plate body 311 and the support part 312. A strip-shaped limiting surface is arranged on the limiting plate 32, and the length direction of the limiting surface is parallel to the length direction of the supporting plate 31. The limiting surface is perpendicular to the support surface and faces the mounting cavity, and is used for contacting the side wall of the battery module to prevent the left-right movement of the battery module and improve the assembly precision. The front end of the limiting surface is bent outward, i.e. bent away from the mounting cavity, to form an inclined guide surface. The included angle between the guide surface and the length direction of the limiting plate 32 is 30-45 degrees, and the guide surface is used for guiding the battery module to be quickly and smoothly inserted into the mounting area, thereby improving the assembly efficiency and assembly precision.

[0039] Specifically, the limiting plate 32 comprises a second plate body, which is strip-shaped, the length direction of the second plate body is parallel to the length direction of the first plate body 311, the limiting plate does not bear pressure, therefore, the thickness of the second plate body is smaller than the thickness of the first plate body, the thickness is 0.3mm-1mm, the plane where the second plate body is located is perpendicular to the supporting surface, the inner side surface thereof forms a limiting surface, the upper and lower ends of the second plate body are outwardly (away from the installation cavity) bent by 90 degrees to form a connecting part, the limiting plate 32 is connected with the supporting plate through the connecting part, in the application, it is fixed through welding; the front end of the second plate body is outwardly inclined and bent by 30-45 degrees to form a guide surface, the guide surfaces on both sides of the installation area form a horn-shaped structure, which facilitates the quick and accurate sliding of the battery module, and improves the assembly efficiency and assembly accuracy; in the embodiment, the rear end of the second plate body is inwardly bent by 90 degrees to form a limiting part 322, the lower end of the limiting part 322 has a gap with the supporting surface, therefore, it has a certain elasticity, that is, the limiting part 322 can realize elastic deformation forward and backward, and has a certain buffering property, the limiting part 322 is used for contacting the rear end of the battery module to realize forward and backward limiting; the length of the limiting part 322 is smaller than the width of the supporting surface, the end of the limiting part 322 is bent by 90 degrees rearward to form a protection part 323, which can avoid the exposure of the end of the limiting part, and is used for improving the safety during production and manufacturing, and avoiding the scratching of the end of the limiting part 322.

[0040] The height of the limiting surface is smaller than the height of the first plate body 311, in the embodiment, the height of the limiting surface is 1 / 5-1 / 2 of the height of the first plate body 311, preferably 1 / 4-1 / 3, at the same time, the distance between the limiting surface and the first plate body 311 is 1 / 4-1 / 3 of the width of the supporting part, which can form a certain gap between the side wall of the battery module and the first plate body, facilitate the installation and disassembly of the battery module, and facilitate daily maintenance.

[0041] In the embodiment, a first connecting hole 3110 is arranged on both sides of the upper end of each hook 3112, which is used for connecting with the stand column on the frame structure.

[0042] The upper end of the first plate body 311 is outwardly (away from the installation cavity) bent by 90 degrees to form a reinforcing part 3113, the width of the reinforcing part 3113 is 3mm-8mm, which is used for improving the structural rigidity of the first plate body, avoiding deformation, the reinforcing part 3113 is located between adjacent two hooks, that is, between adjacent two stand columns, and does not affect the close contact between the first plate body and the stand column, since there are three hooks in the application, the reinforcing part 3113 is two, which improves the overall structural strength of the supporting plate, has high bearing capacity, good anti-deformation capacity, reliable use reliability and long service life.

[0043] In the present application, the inner wall of the upper cavity, specifically, the inner wall of the column is provided with a support block 17, which can be in contact with the lower surface of the supporting plate 31, thereby supporting the supporting plate 31, which can disperse the pressure of the battery module on the supporting plate, avoid stress concentration, and prevent deformation between the connecting part of the supporting plate and the column, thereby greatly improving the load capacity of the supporting plate and ensuring reliable and stable support of the battery module.

[0044] The support block 17 is detachably mounted on the inner wall of the upper cavity by bolts, and the support block 17 comprises a bracket plate 172 which can be attached to the inner wall of the upper cavity (column), and the bracket plate 172 is provided with a third connecting hole for connecting with the cabinet, and the inner wall of the cabinet (column) is provided with a fourth connecting hole 112 corresponding to the third connecting hole, for connecting with the support block 17 by bolts, and the upper end of the bracket plate 172 is bent inward (toward the mounting cavity) by 90 degrees to form a support plate 171, which is horizontal and used for contacting the bottom surface of the supporting plate 31, thereby being able to form a supporting force on the supporting plate, and a reinforcing rib 173 is arranged between the support plate 171 and the bracket plate 172, which forms a triangular structure as a whole; in the present application, three support blocks 17 are arranged below each supporting plate, specifically, the support blocks 17 are located directly below the hanging holes 111.

[0045] The utility model discloses an integrated liquid cooling energy storage cabinet, sets up the stop plate, can form the gap between battery module and supporting plate while ensuring installation precision, the installation and dismounting of battery module are convenient, and it is favorable to routine maintenance, improves the operation convenience, the front end of stop plate sets up the inclined guide surface for guiding battery module to insert the installation position quickly and accurately, and the assembly of battery is convenient, the rear end of stop plate sets up the limiting portion, can realize the front and rear limiting of battery module, improves the installation precision of battery module, and simple structure, low manufacturing cost, and good limiting effect, the supporting plate adopts the design of multiple hooks, ensures the close connection with the column, strengthens the overall stability and load capacity, the lateral wall of supporting plate sets up the reinforcing portion, can improve the structural stiffness of supporting plate, prevents the deformation, prolongs the life, sets up the support block, can disperse the bearing pressure, avoids stress concentration, ensures that the connecting part of supporting plate and column does not deform, improves the reliability and stability of overall structure, ensures the safe operation of battery module, the utility model discloses an integrated liquid cooling energy storage cabinet, compact structure, reasonable in design, while ensuring installation precision, the installation and dismounting efficiency and safety of battery module are improved greatly, the maintenance cost is reduced, and it is applicable to large-scale energy storage application.

[0046] The above-mentioned is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a plurality of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the utility model.

Claims

1. An integrated liquid-cooled energy storage cabinet, characterized by: The application relates to a cabinet body, wherein a mounting cavity with an open front end is formed in the cabinet body, two inner walls of the mounting cavity are symmetrically provided with a plurality of equally-spaced supporting plate assemblies for mounting battery modules, the supporting plate assembly comprises a supporting plate and a limiting plate, the supporting plate comprises a first plate body in the shape of a strip, a first connecting hole for connecting with the cabinet body is formed in the first plate body, at least two hooks are arranged on the outer side of the first plate body, the lower end of the first plate body is bent towards the mounting cavity and forms a horizontal supporting part, and the upper surface of the supporting part forms a supporting surface; the limiting plate is arranged at the joint of the first plate body and the supporting part, a limiting surface in the shape of a strip is arranged on the limiting plate, the limiting surface is parallel to the length direction of the supporting plate and can contact the side wall of the battery module to limit the battery module, and the front end of the limiting surface is bent outwards and forms an inclined guiding surface; the inner wall of the mounting cavity is provided with a second connecting hole corresponding to the first connecting hole and a hook hole capable of allowing the hooks to be inserted from top to bottom.

2. The integrated liquid-cooled energy storage cabinet of claim 1, wherein: The inner wall of the mounting cavity is further provided with a supporting block capable of contacting the lower surface of the supporting plate and supporting the supporting plate.

3. The integrated liquid-cooled energy storage cabinet of claim 1, wherein: The height of the limiting surface is less than the height of the first plate body.

4. The integrated liquid-cooled energy storage cabinet of claim 1, wherein: The height of the limiting surface is 1 / 5-1 / 2 of the height of the first plate body.

5. The integrated liquid-cooled energy storage cabinet of claim 1, wherein: The distance between the limiting surface and the first plate body is 1 / 4-1 / 3 of the width of the supporting part.

6. The integrated liquid-cooled energy storage cabinet of claim 1, wherein: The limiting plate comprises a second plate body parallel to the first plate body, the second plate body is perpendicular to the supporting surface and the surface of the second plate body forms the limiting surface, the upper and lower ends of the second plate body are bent outwards and form connecting parts, the limiting plate is connected with the supporting plate through the connecting parts, the front end of the second plate body is obliquely bent outwards and forms the guiding surface, and the rear end of the second plate body is bent inwards by 90 degrees and forms a limiting part.

7. The integrated liquid-cooled energy storage cabinet of claim 6, wherein: The lower end of the limiting part has a gap with the supporting surface and has elasticity.

8. The integrated liquid-cooled energy storage cabinet of claim 2, wherein: The supporting block is detachably arranged on the inner wall of the mounting cavity through bolts, the supporting block comprises a bracket plate capable of abutting the inner wall of the mounting cavity, a third connecting hole for connecting with the cabinet body is formed in the bracket plate, the upper end of the bracket plate is bent inwards and forms a supporting plate capable of contacting the supporting plate and supporting the supporting plate, and a reinforcing rib is arranged between the supporting plate and the bracket plate.

9. The integrated liquid-cooled energy storage cabinet of claim 1, wherein: The hooks are three.

10. The integrated liquid-cooled energy storage cabinet of claim 1, wherein: The upper end of the first plate body is bent outwards and forms a reinforcing part between the adjacent two hooks.

Images