Energy storage power distribution confluence cabinet

Abstract

The utility model belongs to the field of energy storage and power distribution, and particularly relates to an energy storage and power distribution confluence cabinet, which comprises a cabinet body, the interior of the cabinet cavity is divided into at least a third part from top to bottom, and the third part is respectively used for accommodating a power distribution component, a confluence component and a protection component; a first support is horizontally arranged above the cabinet cavity, a first containing cavity used for containing power distribution components is defined by the first support and the upper portion of the cabinet body, a baffle is arranged at an opening of the first containing cavity, and heat dissipation through holes are formed in the surface, attached to the heat dissipation positions of the power distribution components, of the cabinet body. A fixing plate and a plurality of wire ducts are arranged on the inner wall of the cabinet cavity below the first support, connecting pieces are distributed on the fixing plate and used for connecting the confluence component, and wiring harnesses of the confluence component are fixed by the wire ducts for wiring; a plurality of second supports are detachably installed below the cabinet cavity so that the distance between the second supports can be adjusted, and installation through holes are formed in the bottom end of the cabinet body and used for input or output of distribution wire harnesses of grounding wire harnesses and bus wire harnesses.

Description

Technical Field

[0001] The utility model belongs to the field of energy storage and power distribution, and particularly relates to an energy storage and power distribution junction cabinet. Background Art

[0002] Large energy storage containers are designed to meet the growing demand for mobile energy storage and solve energy problems. They have the advantages of improving energy utilization, short construction period, modularization, and high degree of integration. They can be used for peak load regulation, frequency regulation, backup power supply, etc. of power systems to improve the stability and reliability of power systems; they can also be used as backup power supplies for communication base stations to ensure the normal operation of communication systems.

[0003] In the existing energy storage technology, distribution boxes and combiner boxes are needed to monitor and manage the battery charging and discharging process. The traditional distribution boxes and combiner boxes require a large space and have a large number of connecting wires. This split installation method causes a lot of waste of space inside the container. The wires exposed outside the box are easily piled up around the box due to different connection points, further reducing the space utilization. At this stage, the development direction of energy storage containers is towards high integration and small footprint design. Therefore, it is urgent to design a distribution combiner cabinet suitable for energy storage containers to solve the above problems. Utility Model Content

[0004] In view of the above problems, the utility model proposes an energy storage power distribution cabinet, comprising a cabinet body, which is opened and closed by a cabinet door, and a cabinet cavity is arranged in the cabinet body;

[0005] The cabinet cavity is divided into at least three parts from top to bottom, which are used to accommodate power distribution components, current collection components and protection components respectively;

[0006] A first bracket is horizontally arranged above the cabinet cavity, and the first bracket and the upper part of the cabinet body enclose a first accommodating cavity for accommodating power distribution components. A baffle is arranged at the opening of the first accommodating cavity, and a heat dissipation through hole is provided on the cabinet body surface adjacent to the heat dissipation position of the power distribution components;

[0007] A fixing plate and a plurality of wire troughs are arranged on the inner wall of the cabinet cavity below the first bracket, and connectors are distributed on the fixing plate for connecting the busbar components, and the busbar component wiring harness is fixed and routed by the wire troughs;

[0008] A plurality of second brackets are detachably mounted below the cabinet cavity so that the spacing between them can be adjusted. A mounting through hole is arranged at the bottom of the cabinet body for input or output of distribution harnesses of grounding harnesses and bus harnesses.

[0009] Preferably, the cabinet body also includes a frame, which has a rectangular frame structure, and the top surface, bottom surface, back surface and two side surfaces are respectively sealed and enclosed by a top plate, a bottom plate, a back plate and a group of side plates, and the front surface is opened and closed by a cabinet door, and a support beam is connected to the frame.

[0010] Preferably, the power distribution component is a UPS power supply, and heat dissipation holes are provided on the top plate and the back plate in contact with the UPS power supply.

[0011] Preferably, the converging components include a BMS, a switch, an IO module, an air switch and a terminal block for performing converging operations;

[0012] The fixing plate comprises a first fixing plate located on the back plate, the first fixing plate is fixed to the back plate by means of rivet nuts, and a plurality of fixing holes for installing the wire trough are reserved on the back plate;

[0013] A guide rail is horizontally mounted on the first fixing plate, and the guide grooves on the air switch and the terminal block form a guide rail guide fit that can slide along the length direction, and the guide groove and the guide rail together form the connecting piece, and the wiring harness of the air switch and the terminal block is fixed and routed by the wire groove;

[0014] The fixing plate includes a second fixing plate located on a set of side plates, and is used for installing a BMS, a switch, and an IO module.

[0015] Preferably, the protective components include an isolating switch and a wiring copper plate, which are respectively installed on corresponding second brackets from top to bottom. The frame is provided with a plurality of screw holes in the vertical direction, and the second brackets are installed in the screw holes by self-tapping screws so that the distance between them is adjustable.

[0016] Preferably, a plurality of wire harness buckles are evenly arranged on the top plate and a group of side plates for fixing the wire harness.

[0017] Preferably, a mounting hole is provided at the cabinet door, a display screen is installed in the mounting hole, and a display screen probe is arranged in the cabinet, with the display screen facing outwards, for observing the operating status of the power distribution components and the converging components.

[0018] Preferably, the display screen is a BMS or EMS display screen, and a wiring is provided on the back, one end of which can be rotatably connected to one side of the mounting hole, and the other end is locked to the other side of the mounting hole.

[0019] Preferably, a lifting lug is provided on the top of the cabinet.

[0020] Preferably, a base is provided at the bottom of the cabinet, and a forklift groove is opened on the side of the base.

[0021] Beneficial Effects

[0022] 1. The present application arranges an energy storage power distribution cabinet to divide the cabinet cavity from top to bottom into at least three parts, which are used to accommodate power distribution components, convergence components and protection components respectively, wherein:

[0023] The first part is used to place the power distribution components. Combined with the shape and placement of the power distribution components, the cabinet surface adjacent to the heat dissipation position of the power distribution components is provided with heat dissipation holes, which can dissipate the heat generated by the power distribution components in time when they are running, thus ensuring the stable operation of the power distribution components.

[0024] The second part is where the busbar components are placed. Connectors are arranged on the fixed plate so that the busbar components can be installed in this space in an orderly manner. The wiring is routed through the cable ducts installed in the peripheral area. This centralized design can greatly improve the neatness of the wiring harness inside the power distribution cabinet, and the path of each wiring harness can be traced.

[0025] The third part is arranged with protective components. Combined with the overall placement position, the bottom of the cabinet is arranged with mounting holes for input or output of the distribution harness of the grounding harness and the bus harness;

[0026] In view of the existing energy storage technology, the distribution box and the combiner box are required to monitor and manage the battery charging and discharging process respectively, which leads to the problem that the distribution box and the combiner box require a large space and a large number of connecting wires. The present device breaks this technical barrier and forms the distribution box and the combiner box into an integral cabinet with the characteristics of high integration and small footprint. It solves the problem of a large amount of waste of internal space of the container caused by the separate installation of the distribution box and the combiner box. The wires exposed to the outside of the box are easily piled up around the box due to different connection points, resulting in reduced space utilization. Moreover, the design of the energy storage distribution and combiner cabinet fully considers the electrical characteristics, heat dissipation performance, safety performance, operability and maintainability of each component, and has a reasonable spatial layout with the characteristics of compact structure, flexible configuration, safety and reliability.

[0027] 2. Several harness clips are evenly arranged on the top plate and a set of side plates to fix the harnesses. They can be installed according to the actual location requirements to further improve the handling of the harness paths.

[0028] 3. The present application is also provided with a display screen, which can facilitate intuitive understanding of the working status of the internal battery without opening the cabinet door. Under normal circumstances, the display screen faces outward for easy observation by personnel. However, when there is a working problem with the display screen, it can be opened through the locking part to check the wiring on the back.

[0029] 4. A lifting lug is provided on the top of the cabinet, and a base is provided on the bottom of the cabinet. A forklift slot is provided on the side of the base. The energy storage distribution cabinet can be installed through the lifting lug. When the distribution cabinet cannot be hoisted, a forklift can be inserted into the forklift slot for installation. After the installation is completed, the forklift slot can also be used for incoming and outgoing lines.

[0030] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of an energy storage and power distribution combiner cabinet in an embodiment of the utility model is shown;

[0033] Figure 2 A schematic diagram of a framework in an embodiment of the utility model is shown;

[0034] Figure 3 A schematic diagram of a heat dissipation through hole in an embodiment of the utility model is shown;

[0035] Figure 4 A schematic diagram of a first fixing plate in an embodiment of the utility model is shown;

[0036] Figure 5 A schematic diagram of a fixing plate in an embodiment of the utility model is shown;

[0037] Figure 6 A schematic diagram of a display screen in an embodiment of the present utility model is shown.

[0038] In the figure,

[0039] 11. first accommodating cavity; 12. first bracket; 110. heat dissipation through hole; 13. baffle;

[0040] 20, fixed plate; 200, first fixed plate; 201, second fixed plate; 22, second bracket; 230, guide rail; 231, guide groove; 24, support beam;

[0041] 4. Cabinet body; 41. Cabinet door; 42. Cabinet cavity; 43. Frame; 44. Top plate; 440. Lifting lug; 45. Bottom plate; 46. Back plate; 47. Side plate; 48. Base; 480. Forklift slot;

[0042] 5. Display screen; 51. Mounting hole. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] refer to Figure 1 , Figure 1 A schematic diagram of an energy storage power distribution cabinet in an embodiment of the utility model is shown; it can be clearly seen from the schematic diagram that the energy storage power distribution cabinet includes a cabinet body 4, which is opened and closed by a cabinet door 41, and a cabinet cavity 42 is provided in the cabinet body 4;

[0045] The cabinet cavity 42 is divided into at least three parts from top to bottom, which are used to accommodate power distribution components, current collection components and protection components respectively;

[0046] A first bracket 12 is horizontally arranged above the cabinet cavity 42. The first bracket 12 and the cabinet body 4 are enclosed to form a first accommodating cavity 11 for accommodating power distribution components. A baffle 13 is arranged at the opening of the first accommodating cavity 11 to prevent accidental electric shock to personnel. A heat dissipation through hole 110 is provided on the surface of the cabinet body 4 that is attached to the heat dissipation position of the power distribution components.

[0047] The inner wall of the cabinet cavity 42 below the first bracket 12 is provided with a fixing plate 20 and a plurality of wire troughs. Connectors are distributed on the fixing plate 20 for connecting the busbar components, and the busbar component wiring harness is fixed and routed by the wire troughs.

[0048] A plurality of second brackets 22 are detachably mounted below the cabinet cavity 42 so that the distance between them can be adjusted;

[0049] The bottom end of the cabinet 4 is provided with a mounting through hole for input or output of a distribution harness of a grounding harness and a bus harness.

[0050] refer to Figure 2 , Figure 2A schematic diagram of the framework in an embodiment of the utility model is shown; it can be clearly seen from the schematic diagram that the cabinet body 4 also includes a frame 43, which is a rectangular frame structure, and the top surface, bottom surface, back surface and two side surfaces are respectively sealed and enclosed by a top plate 44, a bottom plate 45, a back plate 46 and a group of side plates 47, and the front surface is controlled to open and close by a cabinet door 41, and a support beam 24 is connected to the frame 43.

[0051] The present application arranges an energy storage power distribution cabinet to divide the cabinet body 4 into at least three parts from top to bottom, which are used to accommodate the power distribution components 1, the bus components 2 and the protection components, respectively.

[0052] The first part is used to place the power distribution components. Combined with the shape and placement of the power distribution components, the surface of the cabinet 4 that is attached to the heat dissipation position of the power distribution components is provided with heat dissipation holes 110, which can dissipate the heat generated by the power distribution components in time when the power distribution components are running, thereby ensuring the stable operation of the power distribution components;

[0053] refer to Figure 3 , Figure 3 A schematic diagram of heat dissipation holes in an embodiment of the utility model is shown; wherein the power distribution component is a UPS power supply, and heat dissipation holes 110 are provided on the top plate 44 and the back plate 46 in contact with the UPS power supply.

[0054] The second part is used to place the busbar components. By arranging the connectors on the fixing plate 20, the busbar components can be installed in this space in an orderly manner, and the wiring can be carried out through the wire ducts installed in the peripheral area. This centralized design can greatly improve the neatness of the wire harness inside the power distribution cabinet, and the path of each wire harness can be traced;

[0055] The converging components include BMS, switches, IO modules, air switches and terminal blocks used to perform converging operations;

[0056] refer to Figure 4 , Figure 4 A schematic diagram of a first fixing plate in an embodiment of the utility model is shown; it can be clearly seen from the schematic diagram that the fixing plate 20 includes a first fixing plate 200 located on the back plate 46, the first fixing plate 200 is fixed to the back plate 46 by means of rivet nuts, and a plurality of fixing holes for installing the wire trough are reserved on the back plate 46;

[0057] A guide rail 230 is horizontally mounted on the first fixed plate 200, and an air switch and a terminal block are slidably arranged on the guide rail 230 along the length direction, and the wiring harness of the air switch and the terminal block is fixed and routed by a wire trough;

[0058] refer to Figure 5 , Figure 5A schematic diagram of a fixing plate in an embodiment of the utility model is shown; it can be clearly seen from the schematic diagram that the fixing plate 20 includes a second fixing plate 201 located on a set of side plates 47 for installing a BMS, a switch, and an IO module.

[0059] The third part is arranged with protective components. Combined with the overall placement position, the bottom of the cabinet 4 is arranged with mounting through holes for input or output of the distribution harness of the grounding harness and the bus harness;

[0060] The protective components include an isolating switch and a wiring copper plate, which are respectively installed on the corresponding second brackets 22 from top to bottom. The frame 43 is provided with a plurality of screw holes in the vertical direction. The second brackets 22 are installed in the screw holes by self-tapping screws so that the spacing between them can be adjusted.

[0061] In view of the existing energy storage technology, the distribution box and the junction box are required to monitor and manage the battery charging and discharging process respectively, which leads to the problem that the distribution box and the junction box require a large space and a large number of connecting wires. The present device breaks this technical barrier and forms the distribution box and the junction box into an integral cabinet 4, which has the characteristics of high integration and small footprint. It solves the problem that the split installation method of the distribution box and the junction box causes a large amount of waste of space inside the container, and the wires exposed to the outside of the box are easily piled up around the box due to different connection points, thereby reducing the space utilization rate. Moreover, the design of the energy storage distribution junction cabinet fully considers the electrical characteristics, heat dissipation performance, safety performance, operability and maintainability of each component, and has a reasonable spatial layout, compact structure, flexible configuration, safety and reliability.

[0062] Several wiring harness buckles are evenly arranged on the top plate 44 and a group of side plates 47 for fixing the wiring harness. They can be installed according to actual location requirements to further improve the processing of the wiring harness path.

[0063] refer to Figure 6 , Figure 6 A schematic diagram of a display screen in an embodiment of the utility model is shown; as can be seen from the schematic diagram, a mounting hole 51 is opened at the cabinet door 41, a display screen 5 is installed in the mounting hole 51, and a probe of the display screen 5 is arranged in the cabinet body 4, the display screen 5 faces outward, the display screen 5 is a BMS or EMS display screen, and a wiring is arranged on the back, one end of which can be rotatably connected to one side of the mounting hole 51, and the other end is locked to the other side of the mounting hole 51.

[0064] It is convenient to intuitively understand the working status of the internal battery without opening the cabinet door. Under normal circumstances, the display screen 5 faces outwards for easy observation by personnel. However, when the display screen 5 has a working problem, it can be opened through the locking part to check the wiring on the back.

[0065] A lifting ear 440 is provided on the top of the cabinet 4, a base 48 is provided on the bottom of the cabinet 4, and a forklift slot 480 is provided on the side of the base 48. Under normal circumstances, the energy storage distribution cabinet can be installed through the lifting ear 440. When the distribution cabinet cannot be hoisted, a forklift can also be used to insert it into the forklift slot 480 for installation. After the installation is completed, the forklift slot 480 can also be used for incoming and outgoing lines.

[0066] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. Energy storage power distribution cabinet, characterized in that: It comprises a cabinet body (4), the opening and closing of which is controlled by a cabinet door (41), and a cabinet cavity (42) is arranged inside the cabinet body (4); The cabinet cavity (42) is divided into at least three parts from top to bottom, which are used to accommodate power distribution components, current collection components and protection components respectively; A first bracket (12) is horizontally arranged above the cabinet cavity (42); the first bracket (12) and the upper part of the cabinet body (4) enclose a first accommodating cavity (11) for accommodating power distribution components; a baffle (13) is arranged at the opening of the first accommodating cavity (11); and a heat dissipation through hole (110) is provided on the surface of the cabinet body (4) adjacent to the heat dissipation position of the power distribution components; A fixing plate (20) and a plurality of wire troughs are arranged on the inner wall of the cabinet cavity (42) below the first bracket (12); connectors are distributed on the fixing plate (20) for connecting the busbar components, and the busbar component wiring harnesses are fixed and routed by the wire troughs; A plurality of second brackets (22) are detachably mounted below the cabinet cavity (42) so that the spacing between them can be adjusted. A mounting through hole is arranged at the bottom end of the cabinet body (4) for inputting or outputting a distribution harness of a grounding harness and a bus harness.

2. The energy storage and distribution combiner cabinet according to claim 1, characterized in that: The cabinet body (4) further comprises a frame (43) which is in a rectangular parallelepiped structure, and the top surface, bottom surface, back surface and two side surfaces are respectively sealed and enclosed by a top plate (44), a bottom plate (45), a back plate (46) and a group of side plates (47), and the front surface is controlled to be opened and closed by a cabinet door (41), and a support beam (24) is connected to the frame (43).

3. The energy storage and distribution combiner cabinet according to claim 2 is characterized in that: The power distribution component is a UPS power supply, and heat dissipation holes (110) are provided on the top plate (44) and the back plate (46) in contact with the UPS power supply.

4. The energy storage and distribution combiner cabinet according to claim 2, characterized in that: The converging components include a BMS, a switch, an IO module, an air switch and a terminal block for performing converging operations; The fixing plate (20) comprises a first fixing plate (200) located on the back plate (46), the first fixing plate (200) being fixed to the back plate (46) by means of rivet nuts, and a plurality of fixing holes for installing the wire trough are reserved on the back plate (46); A guide rail (230) is horizontally mounted on the first fixing plate (200), the guide grooves (231) on the air switch and the terminal block and the guide rail (230) form a guide rail guide that can slide along the length direction, and the guide grooves (231) and the guide rail (230) together form the connecting piece, and the wiring harness of the air switch and the terminal block is fixed and routed by the wiring grooves; The fixing plate (20) comprises a second fixing plate (201) located on a set of side plates (47) and used for installing a BMS, a switch, and an IO module.

5. The energy storage and distribution combiner cabinet according to claim 2, characterized in that: The protective components include an isolating switch and a wiring copper plate, which are respectively installed on corresponding second brackets (22) from top to bottom. The frame (43) is provided with a plurality of groups of screw holes in a vertical direction. The second brackets (22) are installed in the screw holes by self-tapping screws so that the distance between them can be adjusted.

6. The energy storage and distribution combiner cabinet according to claim 2, characterized in that: A plurality of wire harness buckles are evenly arranged on the top plate (44) and a group of side plates (47) for fixing the wire harness.

7. The energy storage and distribution combiner cabinet according to claim 1, characterized in that: The cabinet door (41) is provided with a mounting hole (51), a display screen (5) is installed in the mounting hole (51) (51), and a display screen (5) probe is arranged in the cabinet body (4), and the display screen (5) faces outwards, and is used to observe the operating status of the power distribution components and the current collection components.

8. The energy storage and power distribution cabinet according to claim 7 is characterized in that: The display screen (5) is a BMS or EMS display screen, and a wiring is arranged on the back, one end of which can be rotatably connected to one side of the mounting hole (51), and the other end of which is locked to the other side of the mounting hole (51).

9. The energy storage and power distribution combiner cabinet according to claim 1, characterized in that: A lifting lug (440) is provided on the top of the cabinet (4).

10. The energy storage and power distribution cabinet according to claim 1, characterized in that: The bottom of the cabinet (4) is provided with a base (48), and the side of the base (48) is provided with a forklift slot (480).

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