Cabinet structure, integrated cabinet and energy storage system

Abstract

This application relates to the field of energy storage technology, and discloses a cabinet assembly structure, an integrated cabinet, and an energy storage system. The cabinet assembly structure includes a first cabinet, a support structure, and a second cabinet. The first cabinet has a first receiving space, a second receiving space, and a third receiving space arranged sequentially along a first direction. The first receiving space forms an uninterruptible power supply (UPS) placement area, the second receiving space forms a power distribution component placement area, and the third receiving space forms a busbar component placement area. The first direction is parallel to the height direction of the first cabinet. The support structure includes a first support member and a second support member disposed opposite each other within the first receiving space. The second cabinet is located within the first receiving space, and the second cabinet abuts against the first and second support members. A connector is provided on the side of the second cabinet closest to the support structure. The cabinet assembly structure, integrated cabinet, and energy storage system provided by this application can simplify the cabinet assembly structure and ensure convenient assembly between cabinets.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage, in particular to a cabinet matching structure, a comprehensive cabinet and an energy storage system. BACKGROUND

[0002] With the continuous development of energy storage technology, the application of energy storage systems is also becoming more and more widespread. The energy storage system is equipped with a comprehensive cabinet, which can output electrical energy to the outside world using a battery pack. At the same time, the comprehensive cabinet can also output electrical energy generated by a power generation device to the outside world after voltage stabilization and charge the battery pack.

[0003] An uninterruptible power supply is placed in the comprehensive cabinet, which is arranged in the energy storage cabinet. When arranging the comprehensive cabinet, the energy storage cabinet needs to be installed in the comprehensive cabinet. How to design the matching structure between different cabinets affects the production cost and matching convenience of the cabinet. Therefore, how to simplify the cabinet matching structure and ensure the matching convenience between cabinets is an important problem. SUMMARY

[0004] The purpose of the embodiments of the present application is to provide a cabinet matching structure, a comprehensive cabinet and an energy storage system, which can simplify the cabinet matching structure and ensure the matching convenience between cabinets.

[0005] To solve the above technical problems, the embodiments of the present application provide a cabinet matching structure, which comprises a first cabinet, a support structure and a second cabinet. The first cabinet is sequentially provided with a first accommodating space, a second accommodating space and a third accommodating space along a first direction. The first accommodating space forms an uninterruptible power supply placement area, the second accommodating space forms a power distribution component placement area, and the third accommodating space forms a busbar assembly placement area. The first direction is parallel to the height direction of the first cabinet. The support structure comprises a first support and a second support arranged opposite to each other in the first accommodating space. The second cabinet is located in the first accommodating space and abuts against the first support and the second support. The side of the second cabinet close to the support structure is provided with a plug-in piece, and the plug-in piece forms a plug-in hole on one side of the second cabinet. The second cabinet is used to install an uninterruptible power supply.

[0006] The embodiments of the present application also provide a comprehensive cabinet, which comprises the above-mentioned cabinet matching structure, an uninterruptible power supply, a power distribution component and a busbar assembly. The uninterruptible power supply is arranged in the second cabinet. The power distribution component is arranged in the power distribution component placement area of the first cabinet. The busbar assembly is arranged in the busbar assembly placement area of the first cabinet.

[0007] The embodiments of the present application also provide an energy storage system, which comprises the above-mentioned comprehensive cabinet.

[0008] The cabinet matching structure, the comprehensive cabinet and the energy storage system provided by the embodiments of the present application are characterized in that a support structure is arranged in the accommodating space of the first cabinet of the comprehensive cabinet, the support structure comprises a plurality of support pieces, and the support pieces can support the cabinet of the uninterruptible power supply, i.e., the second cabinet. The support structure can form a reserved space at the bottom of the second cabinet, the second cabinet is provided with a plug-in piece at the side close to the support structure, and the plug-in piece is located in the reserved space when the second cabinet abuts against the support structure. The plug-in piece can form a plug-in hole at the bottom of the second cabinet, and the plug-in hole can be used for inserting a forklift to facilitate the carrying of the second cabinet and improve the convenience of cabinet matching.

[0009] In some embodiments, the first support piece and the second support piece comprise first and second plate bodies arranged at an angle at one end, the other ends of the first and second plate bodies are connected with the first cabinet, and the first plate body is used for bearing the second cabinet. In this way, the different plate bodies arranged at an angle can be matched with each other to play a supporting role, and the structure of the support piece is simplified.

[0010] In some embodiments, the angle between the first plate body and the second plate body is 15° to 25°. In this way, by making the angle between the different plate bodies an acute angle, the space occupied can be reduced while ensuring the supporting force.

[0011] In some embodiments, the first support piece and the second support piece further comprise a limiting portion connected with the first plate body, the limiting portion is bent and extended from the edge of the first plate body, and the limiting portion abuts against one side of the second cabinet. In this way, the position of the second cabinet in the accommodating space can be limited by arranging the limiting portion at the edge of the first plate body.

[0012] In some embodiments, the first support piece and the second support piece further comprise first and second extension portions, the first extension portion is bent and extended from the edge of the first plate body and abuts against the first cabinet, and the second extension portion is bent and extended from the edge of the second plate body and abuts against the first cabinet. In this way, by arranging the extension portion at the edge of the plate body, the matching area between the support piece and the first cabinet can be ensured, thereby ensuring the fixing effect of the support piece on the first cabinet.

[0013] In some embodiments, the first cabinet is spaced apart from first and second limiting pieces in a second direction, the first and second limiting pieces are located on both sides of the second cabinet and abut against the second cabinet, and the second direction is perpendicular to the first direction. In this way, the position of the second cabinet can be limited by arranging the limiting pieces in the first cabinet, and the movement of the second cabinet can be avoided.

[0014] In some embodiments, the first limiting member and the second limiting member each include a first segment and a second segment located on the same plane, and a third segment connecting the first segment and the second segment, at least part of the third segment is located on a different plane from the first segment, the first segment and the second segment are connected to the first cabinet body, and at least part of the third segment abuts against the second cabinet body. In this way, the fitting difficulty can be reduced by forming a protruding part on the limiting member.

[0015] In some embodiments, the maximum distance between the third segment and the first segment in the second direction is 5-30 mm.

[0016] In some embodiments, the first limiting member and the second limiting member are each provided in plurality, and the plurality of first limiting members and the plurality of second limiting members are sequentially arranged along the first direction. In this way, the limiting effect on the second cabinet body can be ensured at multiple different positions by increasing the number of limiting members.

[0017] In some embodiments, the cabinet body fitting structure further includes a connecting assembly, the connecting assembly includes a first connecting member and a second connecting member spaced apart in the first direction, and the first connecting member and the second connecting member are connected to the first cabinet body and the second cabinet body. In this way, the first cabinet body and the second cabinet body can be connected at different positions by providing multiple connecting members.

[0018] In some embodiments, the first connecting member is provided with a first mounting hole and a second mounting hole located on the same plane, the first mounting hole is used for the first fastener to pass through and connect with the first cabinet body, and the second mounting hole is used for the second fastener to pass through and connect with the second cabinet body. In this way, the connecting structure of the first connecting member can be simplified by providing different mounting holes on the first connecting member.

[0019] In some embodiments, the second connecting member includes a first abutting portion and a second abutting portion connected thereto, the first abutting portion abuts against and connects with the first cabinet body, and the second abutting portion abuts against and connects with the second cabinet body. In this way, the connecting area can be ensured and the connection stability can be improved by forming an abutting portion on the second connecting member to connect with the cabinet body.

[0020] In some embodiments, the second connecting member further includes an enclosing portion, the enclosing portion is connected to the first abutting portion and encloses the first abutting portion to form a hollow region. In this way, the handle can be formed by providing the enclosing portion, and the second cabinet body can be pulled conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0021] One or more embodiments are illustrated by way of example in the figures that form a part of this patent document, these example are not intended to limit the embodiments, elements having the same reference numbers in the figures indicate like elements unless otherwise expressly stated, the figures in the drawings do not constitute a proportional limitation.

[0022] Figure 1 is a schematic view of a cabinet body fitting structure in the comprehensive cabinet provided by some embodiments of the present application;

[0023] Figure 2 is a schematic view of a cabinet body fitting structure in the comprehensive cabinet provided by some embodiments of the present application; Figure 1 is a schematic view of an enlarged structure at A in the comprehensive cabinet;

[0024] Figure 3 is a schematic view of an enlarged structure at B in the comprehensive cabinet; Figure 1 is a schematic view of an enlarged structure at B in the comprehensive cabinet;

[0025] Figure 4 is a schematic view of a cabinet body fitting structure in the comprehensive cabinet provided by some embodiments of the present application from another perspective;

[0026] Figure 5 is a schematic view of a cabinet body fitting structure in the comprehensive cabinet provided by some embodiments of the present application; Figure 4 is a schematic view of an enlarged structure at C in the comprehensive cabinet;

[0027] Figure 6 is a schematic view of a plug-in piece in the comprehensive cabinet provided by some embodiments of the present application;

[0028] Figure 7 is a schematic view of a cabinet body structure in the comprehensive cabinet provided by some embodiments of the present application;

[0029] Figure 8 is a schematic view of a first support piece in the comprehensive cabinet provided by some embodiments of the present application;

[0030] Figure 9 is a schematic view of a second support piece in the comprehensive cabinet provided by some embodiments of the present application;

[0031] Figure 10 is a schematic view of a first limiting piece in the comprehensive cabinet provided by some embodiments of the present application;

[0032] Figure 11 is a schematic view of a first connecting piece in the comprehensive cabinet provided by some embodiments of the present application;

[0033] Figure 12 is a schematic view of a second connecting piece in the comprehensive cabinet provided by some embodiments of the present application;

[0034] Figure 13 is a schematic view of a cabinet body assembly structure in the comprehensive cabinet provided by some embodiments of the present application. DETAILED DESCRIPTION

[0035] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the various embodiments of the present application will be described in detail below with reference to the drawings. However, those skilled in the art can understand that, in the various embodiments of the present application, many technical details are proposed in order to make the readers better understand the present application. However, the technical solutions claimed by the present application can be implemented even without these technical details and various changes and modifications based on the following embodiments. The division of the following various embodiments is for the convenience of description, and should not constitute any limitation on the specific implementation of the present application. The various embodiments can be combined and referenced to each other without contradiction.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the present specification and claims, and the aforementioned description of the drawings, the terms "comprising" and "having" and any variations thereof, are intended to cover not exclusively inclusive.

[0037] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connection", "connection" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0038] The comprehensive cabinet is an electrical integration cabinet widely used in energy storage systems. Multiple areas are usually separated in the comprehensive cabinet. For example, the six-megawatt comprehensive cabinet currently used is separated into two areas by a partition, and the two areas are a lower direct current area and an upper alternating current area, respectively. The direct current area mainly functions as a direct current bus. The outgoing lines of the positive and negative poles of the high-voltage box in the energy storage system are finally converged through four busbars in the direct current area. The mounting plate is movably arranged in the comprehensive cabinet, and the mounting plate is provided with direct current fuses and components for power distribution protection of direct current surges. The mounting plate can be pulled open by a door lock and a handle to rotate a certain angle to dismount the fuses. In the alternating current area above the comprehensive cabinet, an ups (Uninterruptible Power Supply), i.e., an uninterruptible power supply, is installed. The cabinet body of the uninterruptible power supply is provided with a pullable guide rail below. This form not only has a complex structure, but also requires high accuracy during cooperation, which is not conducive to the cooperation between the cabinet bodies.

[0039] To simplify the cabinet assembly structure and improve the convenience of cabinet assembly, some embodiments of this application provide a cabinet assembly structure. This structure includes support members within the accommodating space of the integrated cabinet to support the uninterruptible power supply (UPS) cabinet. Simultaneously, insertion holes are formed at the bottom of the UPS cabinet, allowing forklifts or other handling equipment to insert their forks for easy transport of the UPS. During cabinet assembly, the UPS can be easily installed into the integrated cabinet's accommodating space using a forklift, ensuring ease of assembly. Furthermore, when it is necessary to remove the UPS from the integrated cabinet's accommodating space, a forklift can also be used to move it out.

[0040] The following is combined Figures 1 to 13 This application describes the cabinet assembly structure provided in some embodiments.

[0041] like Figures 1 to 13 As shown, some embodiments of this application provide a cabinet assembly structure including a first cabinet 11, a supporting structure, and a second cabinet 14. The first cabinet 11 is along a first direction ( Figure 1 (As indicated by the middle arrow P) are arranged sequentially a first accommodating space 101, a second accommodating space 102, and a third accommodating space 103. The first accommodating space 101 forms an uninterruptible power supply (UPS) placement area, the second accommodating space 102 forms a power distribution component placement area, and the third accommodating space 103 forms a busbar component placement area. The supporting structure includes a first support member 12 and a second support member 13 disposed opposite to each other within the first accommodating space 101. A second cabinet 14 is located within the first accommodating space 101, and the second cabinet 14 abuts against the first support member 12 and the second support member 13. A connector 141 is provided on the side of the second cabinet 14 closest to the supporting structure, and the connector 141 forms a connector hole 142 on one side of the second cabinet 14. The second cabinet 14 is used to install the UPS.

[0042] The first cabinet 11 is the main cabinet of the integrated cabinet. Different storage spaces are formed within the first cabinet 11 to house the uninterruptible power supply (UPS), power distribution components, and busbar components. These different storage spaces can be separated by partitions. The first cabinet 11 can adopt a frame structure, and the storage spaces can be enclosed by cabinet panels. The first direction is the vertically downward direction when the first cabinet 11 is in use, that is, the first direction is parallel to the height direction of the first cabinet 11. The first storage space 101 is located in the upper region of the first cabinet 11, the second storage space 102 is located in the middle of the first cabinet 11, and the third storage space 103 is located in the lower region of the first cabinet 11.

[0043] A support structure is disposed within the first receiving space 101 of the first cabinet 11. The support structure includes a first support member 12 and a second support member 13 spaced apart. The support structure supports the second cabinet 14, ensuring that the bottom of the second cabinet 14 remains spaced from the inner wall of the first cabinet 11 corresponding to the first receiving space 101. The first support member 12 and the second support member 13 can be connected and fixed to the first cabinet 11 to ensure stability during support.

[0044] The second cabinet 14 is a cabinet for installing an uninterruptible power supply (UPS). The second cabinet 14 is placed within the first receiving space 101 of the first cabinet 11. A connector 141 is provided at the bottom of the second cabinet 14, forming a connector hole 142. The connector hole 142 can be a blind hole or a through hole provided on the connector 141, or a groove 1411 provided on the connector 141. Figure 6 As shown in the diagram, the bottom of the second cabinet 14 closes the opening at the top of the groove 1411, thus forming a plug-in hole 142. When the second cabinet 14 is engaged with the first cabinet 11, the bottom of the second cabinet 14 abuts against the first support member 12 and the second support member 13 of the support structure, and the plug-in member 141 is located within the space formed by the separation of the support structure. The plug-in hole 142 formed at the bottom of the second cabinet 14 allows for the insertion of forks, thereby facilitating the handling of the second cabinet 14 and enabling the uninterruptible power supply cabinet to be assembled or removed using a forklift.

[0045] The cabinet assembly structure provided in some embodiments of this application includes a support structure within the accommodating space of the first cabinet 11 of the integrated cabinet. The support structure includes multiple support members that support the uninterruptible power supply cabinet, i.e., the second cabinet 14. The support structure can form a reserved space at the bottom of the second cabinet 14. A connector 141 is provided on the side of the second cabinet 14 near the support structure. When the second cabinet 14 abuts against the support structure, the connector 141 is located within the reserved space. The connector 141 can form a connector hole 142 at the bottom of the second cabinet 14, allowing forklifts to be inserted for handling the second cabinet 14, thus improving the convenience of cabinet assembly.

[0046] In some embodiments, the first support member 12 and the second support member 13 include a first plate 121 and a second plate 122 with one end set at an angle, and the other end of the first plate 121 and the second plate 122 are both connected to the first cabinet 11. The first plate 121 is used to support the second cabinet 14.

[0047] That is, the support member includes different plate bodies with an included angle between the different plate bodies, and the different plate bodies are connected with the first cabinet body 11 to ensure the connection strength of the support member and the first cabinet body 11. The first plate body 121 plays a role of bearing the second plate body 122, and the second plate body 122 in combination with the first plate body 121 can ensure the overall structural strength of the support member. Different support members are arranged adjacent to different sides of the first cabinet body 11, and a reserved space is formed between the first support member 12 and the second support member 13, which can be used to accommodate the plug-in part 141 at the bottom of the second cabinet body 14. The first plate body 121 and the second plate body 122 of different support members can adopt an integral molding structure to ensure the structural strength. In actual cases, the first plate body 121 can be provided with a wire hole so that the connection cable inside the integrated cabinet can pass through.

[0048] In addition, the included angle between the first plate body 121 and the second plate body 122 can be 15° to 25°.

[0049] The included angle between the first plate body 121 and the second plate body 122 is an acute angle, which can reduce the space occupation while ensuring the support strength of the support member. As shown in Figure 8 and Figure 9 The first support member 12 and the second support member 13 are formed by the first plate body 121 and the second plate body 122 in the form of an acute angle. The first plate body 121 is located on a plane perpendicular to the first direction, and the second plate body 122 is inclined relative to the first plate body 121. One end of the second plate body 122 separated from the first plate body 121 is connected to the first cabinet body 11. In order to facilitate the connection of the support member, cabinet plates can be provided on both sides of the first cabinet body 11 to fix the support member on the cabinet plates. In actual cases, the included angle between the first plate body 121 and the second plate body 122 can be 15°, 16°, 17°, 18°, 19°, 20°, 21°, 22°, 23°, 24° or 25°.

[0050] In some embodiments, the first support member 12 and the second support member 13 can further include a limiting part 123 connected with the first plate body 121, the limiting part 123 extending from the edge of the first plate body 121, and the limiting part 123 abutting against one side of the second cabinet body 14.

[0051] The limiting part 123 is located at the edge of the first plate body 121, and the limiting part 123 can limit the second cabinet body 14 at the edge of the first plate body 121. The limiting part 123 can be provided in the form of a plate, and the limiting part 123 and the first plate body 121 can be provided in the form of perpendicularity. As shown in Figure 4 and Figure 5As shown, one end of the support member is provided with a limiting part 123 located at the rear side of the first cabinet body 11, and the limiting part 123 abuts against the rear side of the second cabinet body 14 to limit the installation position of the second cabinet body 14. In actual cases, the rear side of the comprehensive cabinet can be closed by a decorative plate to close the first accommodating space 101.

[0052] In some embodiments, the first support member 12 and the second support member 13 can further include a first extension part 124 and a second extension part 125, the first extension part 124 is bent and extended from the edge of the first plate body 121 and abuts against the first cabinet body 11, and the second extension part 125 is bent and extended from the edge of the second plate body 122 and abuts against the first cabinet body 11.

[0053] That is, the edges of different plate bodies of the support member are further bent and extended to form extension parts, the extension parts abut against the first cabinet body 11, and the extension parts can ensure the cooperation area between the support member and the first cabinet body 11. In actual cases, the extension parts are provided with through holes and can be fixed on the first cabinet body 11 by screws or other fasteners. The extension parts and the plate bodies can be formed in one piece to ensure the structural strength of the support member itself.

[0054] In actual cases, a plurality of rolling members can be arranged on the first plate body 121 of different support members, and the rolling members can freely rotate on the first cabinet body 11. The rolling members can be rolling balls or rotating shafts, and when the second cabinet body 14 is assembled and removed, the rolling members can be rolled to reduce the resistance when the second cabinet body 14 moves. At the same time, the second cabinet body 14 does not need to reserve more height space, and the position of the second cabinet body 14 does not need to be lifted to realize the movement of the second cabinet body 14 in the accommodating space.

[0055] In addition, at the position of the first cabinet body 11 corresponding to the second accommodating space 102, a transfer platform can be arranged, and the transfer platform can be transformed between a working state and a storage state. When the transfer platform is in the working state, the second cabinet body 14 can be temporarily placed on the transfer platform to store or continue to transfer the second cabinet body 14. When the transfer platform is in the storage state, the transfer platform can be used as a cabinet door of the second accommodating space 102 to close the second accommodating space 102. In this way, the structure of the cabinet body can be simplified, and the function of the cabinet body can be enriched. The transfer platform can be formed by a plate-shaped member and a support rod, the plate-shaped member can be rotationally connected with the first cabinet body 11, and when the plate-shaped member is in a horizontal state, the support rod can be used for supporting to form a placing platform. After the support rod is removed, the plate-shaped member can be retracted to close the front side of the second accommodating space 102.

[0056] As shown in FIG. 6, the first cabinet body 11 is provided with a plurality of first rolling members 1211, and the second cabinet body 14 is provided with a plurality of second rolling members 1411. The first rolling members 1211 and the second rolling members 1411 can be rolling balls or rotating shafts. When the second cabinet body 14 is installed in the first cabinet body 11, the first rolling members 1211 and the second rolling members 1411 can be rolled to reduce the resistance when the second cabinet body 14 moves. Figure 7As shown, the first cabinet body 11 can be provided with a first limiting piece 15 and a second limiting piece 16 in the second direction. The first limiting piece 15 and the second limiting piece 16 are located on both sides of the second cabinet body 14 and abut against the second cabinet body 14. The second direction is perpendicular to the first direction.

[0057] The second direction is perpendicular to the first direction. The second direction is the left-right direction of the comprehensive cabinet in actual use and the width direction of the comprehensive cabinet. Different limiting pieces are located on different sides of the second cabinet body 14. Through cooperation between different limiting pieces, the position of the second cabinet body 14 in the second direction can be limited, and the stability of the second cabinet body 14 in the first accommodating space 101 can be ensured. The limiting pieces can play a limiting role on the left and right sides of the second cabinet body 14, so as to avoid left and right shaking of the second cabinet body 14 in the accommodating space of the first cabinet body 11. In actual cases, a connecting plate 1011 can be arranged on the left and right sides of the first cabinet body 11. The connecting plate 1011 can be locked on the frame column of the first cabinet body 11 through fasteners, and the limiting pieces can be locked on the connecting plate 1011 through fasteners.

[0058] In some embodiments, the first limiting piece 15 and the second limiting piece 16 can each include a first section 151 and a second section 152 located on the same plane, and a third section 153 connecting the first section 151 and the second section 152. At least part of the third section 153 is located on a different plane from the first section 151. The first section 151 and the second section 152 are connected to the first cabinet body 11, and at least part of the third section 153 abuts against the second cabinet body 14.

[0059] That is, the middle part of the limiting piece is provided in a convex shape. The first section 151 and the second section 152 near the two ends of the limiting piece are connected to the first cabinet body 11. The first section 151 and the second section 152 can be provided with through holes, so as to be fixed to the first cabinet body 11 by fasteners. At least part of the third section 153 abuts against the second cabinet body 14, that is, the third section 153 can be partially convex or entirely convex. The connection between the second section 152 and the third section 153, and the connection between the first section 151 and the third section 153 can be transitioned in an inclined form or a vertical form. In actual cases, the third section 153 can be provided with one or more convex portions. The multiple convex portions can abut against different positions of the second cabinet body 14, so as to reduce the cooperation accuracy. Meanwhile, the connection between adjacent two convex portions can be located on the same plane as the first section 151, or can be connected to the first cabinet body 11 by fasteners, so as to form a connection with the first cabinet body 11 at two or more positions, thereby ensuring the connection strength between the limiting piece and the first cabinet body 11.

[0060] In addition, the maximum distance between the third section 153 and the first section 151 in the second direction can be 5 mm to 30 mm.

[0061] That is, the maximum protruding height of the third section 153 relative to the first section 151 can be 5-30 mm, such as 5 mm, 10 mm, 15 mm, 20 mm, 25 mm, or 30 mm. By controlling the protruding structure of the limiting piece within a certain range of protruding height, the cooperation gap between the limiting piece and the second cabinet body 14 can be reduced while ensuring the strength of the limiting piece itself, avoiding deformation and damage of the limiting piece.

[0062] In some embodiments, the first limiting piece 15 and the second limiting piece 16 can each have multiple, and the multiple first limiting pieces 15 and the multiple second limiting pieces 16 are sequentially arranged in the first direction.

[0063] The multiple different limiting pieces are arranged in a spaced manner on both sides of the second cabinet body 14, the multiple first limiting pieces 15 can play a limiting role on one side of the second cabinet body 14, and the multiple second limiting pieces 16 can play a limiting role on the other side of the second cabinet body 14. By increasing the number of limiting pieces, the second cabinet body 14 can be limited in a larger area, effectively ensuring the stability of the second cabinet body 14 when cooperating with the first cabinet body 11. As shown in Figure 7 The multiple first limiting pieces 15 and the multiple second limiting pieces 16 can be arranged in the top, middle, and bottom regions of the first accommodating space 101, respectively, thereby playing a limiting role in different regions of the first accommodating space 101. In different regions of the first accommodating space 101, two or more limiting pieces can be arranged as a group to play a limiting role in more positions and reduce the cooperation difficulty with the second cabinet body 14.

[0064] In actual situations, in order to facilitate the exposure of the second cabinet body 14, the side on which the first limiting piece 15 or the second limiting piece 16 is arranged can be arranged as a movable structure, so as to expose the second cabinet body 14 in the first accommodating space 101 by moving the side wall of the cabinet. For example, in the case of arranging a cabinet door on the front side of the second cabinet body 14, a movable cabinet side wall can be arranged on the side of the cabinet body to be locked, so as to move the cabinet side wall, so that the limiting piece on the cabinet side wall moves away from the second cabinet body 14, thereby avoiding the assembly or removal of the second cabinet body 14.

[0065] In some embodiments, the cabinet cooperation structure can further include a connecting assembly, the connecting assembly including a first connecting piece 17 and a second connecting piece 18 arranged in a spaced manner in the first direction, and the first connecting piece 17 and the second connecting piece 18 are connected to the first cabinet body 11 and the second cabinet body 14.

[0066] The connecting assembly can fix the first cabinet body 11 and the second cabinet body 14 after the first cabinet body 11 and the second cabinet body 14 are matched, and connect the first cabinet body 11 and the second cabinet body 14 into a whole. The first connecting piece 17 and the second connecting piece 18 play a connecting role at different positions in the first direction, can play a connecting role at different positions for different cabinet bodies, and ensure the connecting effect between different cabinet bodies. In actual cases, two or more connecting pieces can be arranged in the same direction to connect different cabinet bodies.

[0067] As shown in Figure 11 The first connecting piece 17 can be provided with first mounting holes 171 and second mounting holes 172 located on the same plane, the first mounting holes 171 are used for the first fasteners to pass through and connect with the first cabinet body 11, and the second mounting holes 172 are used for the second fasteners to pass through and connect with the second cabinet body 14.

[0068] The first connecting piece 17 can be provided in a plate shape, and the first mounting holes 171 and the second mounting holes 172 are located at different positions of the first connecting piece 17. The first mounting holes 171 and the second mounting holes 172 can pass through the fasteners, so that the first connecting piece 17 connects the first cabinet body 11 and the second cabinet body 14 together by using multiple fasteners. By arranging different mounting holes on the first connecting piece 17 on the same plane, the structure of the first connecting piece 17 can be simplified, so as to reduce the connection difficulty of the first connecting piece 17.

[0069] As shown in Figure 12 The second connecting piece 18 can include a first fitting part 181 and a second fitting part 182 connected with each other, the first fitting part 181 abuts against and connects with the first cabinet body 11, and the second fitting part 182 abuts against and connects with the second cabinet body 14.

[0070] The first fitting part 181 and the second fitting part 182 are located at different positions of the second connecting piece 18 and are used to form a connecting relationship with different cabinet bodies. By connecting the fitting parts with different cabinet bodies, the cooperation area between the different cabinet bodies can be ensured, thereby ensuring the stability during connection. Different fitting parts can be provided in a plate shape, and the connection between different fitting parts can be in the form of an acute angle, a right angle or an obtuse angle. Different fitting parts can adopt an integral molding structure to ensure the structural strength of the second connecting piece 18.

[0071] In addition, the second connecting piece 18 can further include an enclosing part 183 connected with the first fitting part 181 and enclosing a hollow area 184 with the first fitting part 181.

[0072] The enclosing part 183 is connected with the first fitting part 181, and is provided in a multi-bent form or a continuous bent form. The hollow area 184 formed between the enclosing part 183 and the first fitting part 181 can make the enclosing part 183 form a handle, so as to exert a pulling force on the second cabinet 14 during the carrying process of the second cabinet 14.

[0073] As shown in Figure 12 , the first fitting part 181 of the second connecting piece 18 is provided in a vertical form with the second fitting part 182, and the via hole on the first fitting part 181 is staggered with the via hole on the second fitting part 182. The enclosing part 183 includes an extension part and two connecting parts oppositely arranged on the extension part, and the ends of the two connecting parts away from the extension part are connected with the second fitting part 182. The extension part is parallel to the second fitting part 182, and the connecting parts are vertically arranged between the extension part and the second fitting part 182, and together enclose the hollow area 184, so that the enclosing part 183 can be used as a handle.

[0074] The cabinet cooperation structure provided by some embodiments of the present application cancels the original guide rail pull-out cooperation structure of the uninterruptible power supply, and forms a rear-end closed plug-in hole 142 through two bottom supports, i.e. plug-in pieces 141, at the bottom. The rear-end closure can avoid damaging the wire harness. The bottom support can also be provided with a reinforcing rib and other structures.

[0075] The connecting assembly can include four connecting pieces connected with the upright columns of the cabinet. The upper two connecting pieces only play a connecting role, and the lower two connecting pieces are also provided with handles. The tightening bolts can be hidden in the handles, and sensors, buttons and other components can also be provided.

[0076] The left and right sides of the first cabinet 11 are two groups of brackets, i.e. the first support 12 and the second support 13. The triangular structure of the bracket can enhance the support strength. The bracket is provided with a limiting piece for limiting the left and right sides of the cabinet of the uninterruptible power supply. The bracket and the limiting piece can also be provided with a wire passing hole 126 and a cable tie hole 127, and other structures can also be used to replace the function of the wire passing hole 126.

[0077] As shown in Figures 1 to 5 , the bottom of the cabinet of the uninterruptible power supply is provided with two hollow bottom supports. The two bottom supports are internally provided with two forks for insertion of a forklift, so as to move the uninterruptible power supply located above the first cabinet 11 through the two bottom supports. When replacing the uninterruptible power supply, considering that the weight is large and manual carrying is not possible, a mechanical forklift can be used to fork out the entire uninterruptible power supply. As shown in Figure 4 and Figure 5 , the rear ends of the two bottom supports are closed, which can avoid damaging the wire harness located behind the bottom support. The bottom support can also be processed with a reinforcing rib and other structures.

[0078] As shown in Figure 1 and Figure 3 The four connecting pieces are connected with the uprights of the cabinet body, two upper connecting pieces are connected with the cabinet body of the uninterruptible power supply and the cabinet body of the comprehensive cabinet, and two lower connecting pieces are connected with the cabinet body of the uninterruptible power supply and the cabinet body of the comprehensive cabinet, and a handle is arranged on the lower connecting piece to assist pulling the uninterruptible power supply outwards, the bolt hole of the lower connecting piece can be hidden in the handle, and a sensor, a button or the like can be arranged on the connecting piece.

[0079] As shown in Figures 7 to 9 Two brackets, i.e. supporting pieces, are arranged on the left and right sides of the cabinet body. The bracket includes a first extension 124, a first plate body 121, a second plate body 122 and a second extension 125 connected in sequence from top to bottom, the first extension 124 and the first plate body 121 are perpendicular, the included angle between the first plate body 121 and the second plate body 122 is an acute angle to strengthen the support strength of the uninterruptible power supply, and the first extension 124 and the second extension 125 are parallel. Figure 9 As shown in

[0080] As shown in Figure 7 Two groups of limiting plates, i.e. limiting pieces in the form of plates, are arranged on the left and right sides of the cabinet body to limit the left and right directions of the uninterruptible power supply, each group of limiting plates includes a plurality of limiting plates arranged in sequence and spaced apart on the side plate of the cabinet body, and at least one limiting plate in each group of limiting plates is located on the first plate body 121 of the supporting piece.

[0081] In addition, as shown in Figure 13 A controller 111 can be arranged on the front side of the second cabinet body 14 to play a control role, and the controller 111 can be integrated on the cabinet door. In actual cases, cabinet plates or cabinet doors can be arranged on different sides of the first cabinet body 11 to close different accommodation spaces to isolate the influence of the external environment.

[0082] Some embodiments of the present application also provide a comprehensive cabinet, which includes the above-mentioned cabinet body matching structure, uninterruptible power supply, power distribution assembly and bus assembly. The uninterruptible power supply is arranged in the second cabinet body. The power distribution assembly is arranged in the power distribution assembly placement area of the first cabinet body. The bus assembly is arranged in the bus assembly placement area of the first cabinet body.

[0083] The DC bus assembly can be used to connect the high-voltage box of the battery cluster in the container body, and then output DC power to the energy storage converter through the AC-DC power distribution assembly. The AC-DC power distribution assembly is also used to output AC power, and can be connected to an external power source and electrical equipment in the container body. The AC-DC power distribution assembly includes an AC control part and a DC power distribution part. The AC control part is connected to the external power source and the electrical equipment in the container body. The DC power distribution part is used to connect to the energy storage converter.

[0084] The integrated cabinet integrates the AC control part and the DC power distribution part. When the integrated cabinet is assembled in the container body, the space in the width direction of the container body is saved. At the same time, the DC bus assembly is located on one side of the AC-DC power distribution assembly, further saving the space in the width direction of the container body.

[0085] Some embodiments of the present application also provide an energy storage system, which includes the integrated cabinet described above.

[0086] The energy storage system includes a container body, and a liquid cooling unit is arranged in the container body. The integrated cabinet is arranged in the container body and is arranged side by side with the liquid cooling unit in the width direction of the container body. The integrated cabinet integrates the AC control part and the DC power distribution part, which can meet the electrical control requirements. When the integrated cabinet and the liquid cooling unit are arranged side by side in the container body, the space in the width direction of the container body is saved. In addition, the DC bus assembly is located on one side of the AC-DC power distribution assembly, so that the size of the integrated cabinet in the width direction thereof is relatively compact, further saving the space in the width direction of the container body, thereby facilitating the improvement of the upper limit of the size design of the liquid cooling unit, and further facilitating the improvement of the battery energy density in the container body.

[0087] Those skilled in the art can understand that the above-mentioned embodiments are specific embodiments for implementing the present application, and in actual applications, various changes can be made in form and details without departing from the spirit and scope of the present application.

Claims

1. A cabinet fitting structure characterized by comprising: The utility model relates to a cabinet, and specifically relates to a cabinet for uninterruptible power supply (UPS) and power distribution unit (PDU) and busbar assembly. The cabinet comprises: a first cabinet body, which is sequentially provided with a first accommodating space, a second accommodating space and a third accommodating space along a first direction, the first accommodating space forms an uninterrupted power supply placement area, the second accommodating space forms a power distribution assembly placement area, and the third accommodating space forms a busbar assembly placement area, and the first direction is parallel to the height direction of the first cabinet body; a support structure, which comprises a first support and a second support oppositely arranged in the first accommodating space; a second cabinet body located in the first accommodating space, the second cabinet body abuts against the first support and the second support, and the second cabinet body is provided with a plug-in piece on the side close to the support structure, the plug-in piece forms a plug-in hole on one side of the second cabinet body, and the second cabinet body is used for mounting an uninterrupted power supply; the first cabinet body is provided with a transfer platform at the position corresponding to the second accommodating space, the transfer platform can be transformed between a working state and a storage state, when the transfer platform is in the working state, the transfer platform is used for placing the second cabinet body, and when the transfer platform is in the storage state, the second accommodating space is closed; 2. The cabinet mating structure of claim 1, wherein, the first cabinet body is provided with a first limiting piece and a second limiting piece along a second direction, the first limiting piece and the second limiting piece are located on the two sides of the second cabinet body and abut against the second cabinet body, the second direction is perpendicular to the first direction, one side of the first limiting piece or the second limiting piece is provided as a movable structure, a cabinet door is arranged on the front side of the second cabinet body, and the side of the first cabinet body which is locked is provided with a movable cabinet side wall, when the cabinet side wall moves, the cabinet side wall and the first limiting piece or the second limiting piece located on the cabinet side wall move away from the second cabinet body.

3. The cabinet mating structure of claim 2, wherein, The first support and the second support comprise a first plate body and a second plate body which are arranged at an angle at one end, the other end of the first plate body and the second plate body is connected with the first cabinet body, and the first plate body is used for bearing the second cabinet body.

4. The cabinet mating structure of claim 2, wherein, The angle between the first plate body and the second plate body is 15° to 25°.

5. The cabinet mating structure of claim 2, wherein, The first support and the second support further comprise a limiting part connected with the first plate body, the limiting part is bent and extended from the edge of the first plate body, and the limiting part abuts against one side of the second cabinet body.

6. The cabinet mating structure of claim 1, wherein, The first support and the second support further comprise a first extension part and a second extension part, the first extension part is bent and extended from the edge of the first plate body and abuts against the first cabinet body, and the second extension part is bent and extended from the edge of the second plate body and abuts against the first cabinet body.

7. The cabinet mating structure of claim 6, wherein, The first limiting piece and the second limiting piece each comprise a first segment and a second segment located on the same plane, and a third segment connecting the first segment and the second segment, at least part of the third segment is located on a different plane from the first segment, the first segment and the second segment are connected with the first cabinet body, and at least part of the third segment abuts against the second cabinet body.

8. The cabinet mating structure of claim 1, wherein, The maximum distance of the third segment and the first segment in the second direction is 5 mm to 30 mm. The first limiting piece and the second limiting piece are multiple, and the multiple first limiting pieces and the multiple second limiting pieces are sequentially arranged along the first direction.

9. The cabinet mating structure of claim 1, wherein, The connecting assembly comprises a first connecting piece and a second connecting piece arranged in the first direction, and the first connecting piece and the second connecting piece are connected with the first cabinet and the second cabinet.

10. The cabinet mating structure of claim 9, wherein, The first connecting piece is provided with a first mounting hole and a second mounting hole in the same plane, the first mounting hole is used for connecting the first cabinet through a first fastener, and the second mounting hole is used for connecting the second cabinet through a second fastener.

11. The cabinet mating structure of claim 9, wherein, The second connecting piece comprises a first abutting part and a second abutting part connected with each other, the first abutting part abuts on the first cabinet and is connected with the first cabinet, and the second abutting part abuts on the second cabinet and is connected with the second cabinet.

12. The cabinet mating structure of claim 11, wherein, The second connecting piece further comprises an enclosing part connected with the first abutting part and enclosing a hollow region with the first abutting part.

13. An integrated cabinet characterized by, The cabinet assembly comprises: The cabinet assembly of any one of claims 1 to 12; An uninterruptible power supply arranged in the second cabinet; A power distribution assembly arranged in the power distribution assembly placement area of the first cabinet; A bus assembly arranged in the bus assembly placement area of the first cabinet.

14. An energy storage system characterized by, The integrated cabinet of claim 13.

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