CN115347681A - Energy storage system is with converging control cabinet - Google Patents

Abstract

The invention relates to a confluence control cabinet for an energy storage system, which comprises a cabinet body with the height extending along the vertical direction, wherein a plurality of supporting beams are arranged in the cabinet body; the cabinet body is provided with cabinet doors corresponding to the confluence unit, the control unit and the power distribution unit, and the cabinet body is also provided with a wire passing hole for the cable to pass in and out the cabinet body. The invention effectively solves the problems that the space utilization rate in the cabin body is lower and the whole cabin energy density is not favorably improved because the control unit, the confluence unit and the power distribution unit are arranged in the cabin body of the battery prefabricated cabin through the independent box bodies or cabinet bodies in the prior art.

Description

Confluence control cabinet for energy storage system

technical field

The invention relates to a confluence control cabinet for an energy storage system, belonging to the technical field of energy storage equipment.

Background technique

In recent years, with the increasing market demand for energy storage systems, the development of energy storage products has also been diversified. At present, the energy storage market usually uses lithium iron phosphate batteries as energy carriers, and battery prefabricated cabin equipment as the mainstream layout form. The battery prefabricated compartment usually includes battery units, control units, bus units, and power distribution units, among which the battery units are usually composed of multiple battery clusters connected in parallel.

Two of the control unit, the confluence unit and the power distribution unit are connected by cables, and all three are arranged in the cabin of the battery prefabricated cabin through independent boxes or cabinets. Among them, the confluence unit includes a cabinet body and a confluence main switch installed in the cabinet. The cabinet body is a standard size cabinet. Connected, the outgoing busbar is connected to the PCS equipment through a cable, so that the battery unit is connected to the main busbar of the busbar in the confluence unit, and finally connected to the PCS equipment through the outgoing busbar.

However, in the prior art, since the control unit, the confluence unit and the power distribution unit are all arranged in the cabin of the battery prefabricated cabin through independent boxes or cabinets, it is necessary to provide each corresponding The box or cabinet leaves enough space for layout, so that the control unit, confluence unit and power distribution unit occupy a large area in the battery prefabricated cabin, which in turn makes the space utilization rate in the battery prefabricated cabin low. It is not conducive to the improvement of the energy density of the whole cabin.

Contents of the invention

The purpose of the present invention is to provide a confluence control cabinet for an energy storage system to solve the problem in the prior art that the control unit, confluence unit and power distribution unit are all arranged in the cabin of the battery prefabricated cabin through independent boxes or cabinets. , which leads to low space utilization in the cabin and is not conducive to the improvement of the energy density of the whole cabin.

In order to achieve the above purpose, the confluence control cabinet for the energy storage system in the present invention adopts the following technical scheme:

A confluence control cabinet for an energy storage system, comprising a cabinet whose height extends along the up and down direction, a plurality of support beams are arranged in the cabinet, and a confluence control cabinet for an energy storage system further includes The confluence unit, control unit and power distribution unit are connected by cables; the cabinet body is equipped with cabinet doors corresponding to the confluence unit, control unit and power distribution unit. There are also wire holes for cables entering and leaving the cabinet.

The beneficial effect of the above technical solution is: in the confluence control cabinet for energy storage system of the present invention, since there are multiple support beams in the cabinet, and because the confluence unit, control unit and power distribution unit are installed in the cabinet through the corresponding support beams , so the confluence unit, control unit and power distribution unit are integrated and installed in the same cabinet. Compared with the prior art, by integrating the confluence unit, control unit and power distribution unit in the same cabinet, it is beneficial to reduce the confluence unit, The occupied area of the control unit and the power distribution unit in the battery prefabricated cabin can improve the utilization rate of the space in the battery prefabricated cabin, which is conducive to the improvement of the energy density of the whole cabin.

Further, the confluence control cabinet for the energy storage system further includes a partition, which is used to divide the space in the cabinet into a first space and a second space arranged in the up-down direction, the confluence unit is installed in the first space, The power distribution unit and the control unit are installed in the second space. There are two cabinet doors, which are respectively a first cabinet door corresponding to the first space and a second cabinet door corresponding to the second space. The plate is provided with perforations for cables to pass through.

The beneficial effect of the above technical solution is that: the first space and the second space divided by the partition can separate the confluence unit, the power distribution unit and the control unit in two independent spaces, and then realize the electrical circuit in the cabinet. The isolation of strong and weak electricity is conducive to enhancing the operational safety of daily operation and maintenance personnel.

Further, the first space is located below the second space, and the wire passing holes are arranged on the bottom plate of the cabinet.

The beneficial effects of the above technical solution are: since the control unit in the second space requires the staff to operate and control, it is convenient for the staff to operate the first space under the second space; The bottom plate facilitates the cable connection between the bus unit and the battery unit, and also facilitates the cable connection between the bus unit and the PCS device.

Further, at least one of the first space and the second space is provided with wire grooves corresponding to the upper and lower sides of the through holes, and the wire grooves allow cables passing through the through holes to pass through.

The beneficial effect of the above technical solution is that the arrangement of the wire groove facilitates the wiring of the cables passing through the perforations on the partition, and is conducive to improving the aesthetics of the cable wiring in the cabinet.

Further, the confluence unit includes a confluence main switch, and also includes an incoming positive busbar, an incoming negative busbar, an outgoing positive busbar, and an outgoing negative busbar connected to the converging main switch, and the incoming positive busbar and the incoming negative busbar The row is used to connect with the battery unit, the outgoing positive busbar and the outgoing negative busbar are used to connect with the PCS equipment; the incoming positive busbar includes the incoming positive connecting row and the incoming positive connecting plate connected to the incoming positive connecting row; The incoming line negative busbar includes the incoming line negative connection row and the incoming line negative connection plate connected with the incoming line negative connection row; the outgoing line positive busbar includes the outgoing line positive connection row and the outgoing line positive connection plate connected with the outgoing line positive connection row; the outgoing line negative The bus bar includes the outgoing line negative connecting bar and the outgoing line negative connecting plate connected with the outgoing line negative connecting bar; Connecting plate, incoming line negative connecting plate is used to connect with the battery unit, outgoing line positive connecting plate and outgoing line negative connecting plate are used to connect with PCS equipment; incoming line positive connecting plate, incoming line negative connecting plate, outgoing line positive connecting plate and outgoing line negative The connecting plates are arranged in a staggered manner.

The beneficial effect of the above-mentioned technical solution is that the staggered arrangement of the incoming positive connection plate, the incoming negative connection plate, the outgoing positive connection plate and the outgoing negative connection plate facilitates the convenience of the incoming positive busbar, the incoming negative busbar, and the outgoing positive The connection between the busbar and the outgoing negative busbar and the cable avoids the interference between the cable and the corresponding busbar.

Further, the first installation bracket and the second installation bracket located under the rear side of the first installation bracket are fixed in the first space. In the first connecting section between the first vertical section and the second vertical section, the first vertical section is connected to the main bus switch, the second vertical section is fixedly connected to the incoming line negative connecting plate, and the incoming line negative connecting plate Vertically arranged and fixed on the first installation bracket; the incoming line positive connection plate is fixed on the second installation bracket, the incoming line positive connection row extends vertically and is fixedly connected with the incoming line positive connection plate, and the incoming line positive connection plate is located at the incoming line wire under the back side of the negative connection plate.

The beneficial effect of the above-mentioned technical solution is that: setting the first installation bracket, the second installation bracket and the zigzag negative connection row of the incoming line facilitates the staggered arrangement between the negative connection plate of the incoming line and the positive connection plate of the incoming line. The first installation bracket and the second installation bracket can enhance the installation strength of the incoming positive busbar and the incoming negative busbar, and are beneficial to ensure the connection between the incoming positive busbar, the incoming negative busbar and the master switch.

Further, a third mounting bracket located at the rear side of the second mounting bracket is fixed in the first space, the outgoing line positive connection row and the outgoing line negative connection row are both Z-shaped, and the outgoing line positive connection row includes a third vertical section, a second Four vertical sections and a second connection section connected between the third vertical section and the fourth vertical section, the third vertical section is connected to the main bus switch, and the fourth vertical section is fixedly connected to the outlet positive connecting plate, The outgoing line positive connection plate is vertically arranged and fixed on the third mounting bracket; the outgoing line negative connection row includes a fifth vertical section, a sixth vertical section and a fifth vertical section connected between the fifth vertical section and the sixth vertical section. Three connection sections, the fifth vertical section is connected to the main bus switch, the sixth vertical section is fixedly connected to the negative connecting plate of the outgoing line, the negative connecting plate of the outgoing line is vertically arranged and fixed on the third installation bracket, the negative connecting plate of the outgoing line and the outgoing line The positive connection plate is located in the same vertical plane; the incoming line positive connection row, the third vertical section, the fifth vertical section, and the first vertical section are arranged in sequence from left to right and are located in the same vertical plane.

The beneficial effect of the above technical solution is: through the third mounting bracket and the zigzag outgoing line positive connection row and outgoing line negative connection row, the front and back arrangement of the outgoing line positive connection plate and the outgoing line negative connection plate relative to the incoming line positive connection plate is facilitated, and at the same time The installation strength of the outgoing positive busbar and the outgoing negative busbar can be enhanced through the third installation bracket, which is beneficial to ensure the connection between the outgoing positive busbar, the outgoing negative busbar and the master busbar.

Further, the negative connection plate of the incoming line is located on the left side of the negative connection row of the incoming line, the positive connection plate of the incoming line is located on the right side of the positive connection row of the incoming line, the positive connection plate of the outgoing line is located on the left side of the positive connection row of the outgoing line, and the negative connection plate of the outgoing line It is located on the right side of the negative connection row of outgoing wires.

The beneficial effect of the above-mentioned technical solution is that it facilitates the arrangement of each connecting plate, helps to reduce the arrangement range of each connecting plate, and can also increase the distance between the incoming line negative connecting plate and the incoming line positive connecting plate and the cabinet body. The distance ensures the insulation effect between the cabinet and the cabinet.

Further, the left and right sides of the cabinet body are respectively fixed with fixed columns, the left and right ends of the first installation bracket, the second installation bracket and the third installation bracket are respectively fixed on the fixed columns by bolts, and the fixed columns are arranged along the up and down direction. There are multiple fixing holes.

The beneficial effect of the above-mentioned technical solution is that the setting of the fixing column not only facilitates the installation and disassembly of each installation bracket on the cabinet body, but also facilitates the position adjustment of each installation bracket in the up and down direction, so as to adjust according to actual use requirements. The installation position of each mounting bracket.

Further, the first mounting bracket, the second mounting bracket and the third mounting bracket are all metal brackets, and insulating pieces are interposed between the first mounting bracket, the second mounting bracket and the third mounting bracket and the corresponding connecting plates.

The beneficial effects of the above technical solution are: the strength of each mounting bracket can be enhanced through the metal bracket, ensuring the installation and support strength of each mounting bracket to the corresponding busbar; the installation of insulating parts ensures that the distance between each busbar and the corresponding mounting bracket insulation effect.

Description of drawings

Fig. 1 is a perspective view of a confluence control cabinet for an energy storage system in the present invention;

Fig. 2 is a perspective view of another angle of view of the confluence control cabinet for the energy storage system in the present invention;

Fig. 3 is the front view of the confluence control cabinet for the energy storage system in the present invention (the cabinet door is not shown);

Fig. 4 is a side view of the confluence control cabinet for the energy storage system in the present invention;

Fig. 5 is an enlarged view of part A in Fig. 4;

Fig. 6 is a partial perspective view of the confluence unit in the confluence control cabinet for the energy storage system of the present invention.

In the figure: 10, the cabinet body; 11, the first space; 12, the second space; 13, the first cabinet door; 14, the second cabinet door; 15, the wire hole; 16, the observation window; 20, the front side is fixed Column; 30, rear fixed column; 40, clapboard; 41, perforation; 50, first support beam; 100, negative connecting plate of incoming line; 110, positive connecting bar of outgoing line; 120, positive connecting plate of outgoing line; 130, negative connecting plate of outgoing line; 140, negative connecting plate of outgoing line; One mounting bracket; 170, second mounting bracket; 180, third mounting bracket; 190, insulator; 200, control box; 201, touch control panel; 210, second support beam; 220, emergency stop button; 230, cooling fan ; 240, the first wire slot; 250, the second wire slot; 260, the terminal accessories.

Detailed ways

In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention, that is, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that in the specific embodiments of the present invention, possible terms such as "first" and "second" and other relative terms are only used to distinguish one entity or operation from another entity or operation , without necessarily requiring or implying any actual relationship or order between these entities or operations. Furthermore, the possible occurrences of terms such as "comprises", "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes Other elements not expressly listed, or elements inherent in the process, method, article, or apparatus are also included. Without further limitations, the phrase "comprising a ..." and other qualified elements that may appear does not exclude the presence of additional identical elements in the process, method, article, or device that includes said elements.

In the description of the present invention, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" that may appear should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrally connected; may be mechanically connected, may also be electrically connected; may be directly connected, may also be indirectly connected through an intermediary, or may be internal communication between two components. Those skilled in the art can understand the specific meanings of the above terms in the present invention through specific situations.

In the description of the present invention, unless otherwise clearly specified and limited, the term "has to be" that may appear should be understood in a broad sense, for example, the object of "has to be" can be a part of the body, or it can be separated from the body Arranged and connected on the body, the connection can be detachable or non-detachable. Those skilled in the art can understand the specific meanings of the above terms in the present invention through specific situations.

Below in conjunction with embodiment the present invention is described in further detail.

Embodiment 1 of the confluence control cabinet for the energy storage system in the present invention:

As shown in Figures 1 and 2, the confluence control cabinet for the energy storage system includes a cabinet body 10 whose height extends in the vertical direction. As shown in Figures 4 and 5, the left and right sides of the cabinet body 10 are provided with vertical The fixed columns include two rear fixed columns 30 positioned at the inner rear of the cabinet body 10 and two front fixed columns 20 positioned at the inner front side of the cabinet body 10, each rear fixed column 30 and each front fixed column The posts 20 are each provided with a plurality of fixing holes arranged at intervals along the vertical direction and through which bolts pass. As shown in Figure 1, a partition 40 is provided in the cabinet body 10, and the partition 40 is respectively fixed with two rear side fixed columns 30 and two front side fixed columns 20 by bolts, and the partition 40 connects the cabinet body 10 The space inside is divided into a first space 11 and a second space 12 arranged along the up-down direction, wherein the first space 11 is located below the second space 12 . In addition, as shown in FIGS. 1 and 2 , the cabinet body 10 is provided with two cabinet doors, namely a first cabinet door 13 corresponding to the first space 11 and a second cabinet door 14 corresponding to the second space 12 .

As shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, the fixing column also includes two middle fixing columns 150 located in the first space 11 and respectively fixed on the left and right sides of the cabinet body 10, and the middle fixing columns 150 are located on the same Between the rear side fixing column 30 and the front side fixing column 20 , the middle fixing column 150 is also provided with a plurality of fixing holes arranged at intervals along the up and down direction for bolts to pass through. The confluence control cabinet for the energy storage system also includes a confluence unit located in the first space 11. The confluence unit includes a confluence main switch 60, and two middle fixed columns 150 on the left and right sides are fixed by bolts and installed in sequence. The first supporting beam 50 and the main bus switch 60 are fixedly installed on the two first supporting beams 50 , that is, the main bus switch 60 is fixedly installed in the first space 11 through the two first supporting beams 50 .

As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the confluence unit also includes an incoming line positive busbar, an incoming line negative pole busbar, an outgoing line positive pole busbar, and an outgoing line negative pole busbar which are connected to the main confluence switch 60 . Among them, the incoming positive busbar and the incoming negative busbar are used to connect with the battery units in the battery prefabricated cabin, the outgoing positive busbar and the outgoing negative busbar are used to connect with the PCS equipment in the battery prefabricated cabin, and the cabinet body 10 A wire hole 15 for cables entering and leaving the cabinet body 10 is provided on the bottom plate of the cabinet body, that is, the cables connecting the bus unit with the battery unit and the PCS equipment can enter and exit the cabinet body 10 through the wire hole 15 .

The incoming line positive pole busbar includes the incoming line positive pole connecting bar 70 and the incoming line positive pole connecting plate 80 connected to the incoming line positive pole connecting bar 70, and the incoming line negative pole busbar includes the incoming line negative pole connecting bar 90 and the incoming line negative pole connecting bar 90 connected to the incoming line negative pole connecting bar 90. The incoming line negative connection plate 100. Wherein, the incoming line positive connecting bar 70 and the incoming line negative connecting bar 90 are connected to the main bus switch 60, the incoming line positive connecting plate 80 and the incoming line negative connecting plate 100 are used to connect with the battery unit, and the incoming line positive connecting bar 70 is located at On the left side of the incoming line negative connection row 90 , the incoming line negative connection plate 100 is located on the left side of the incoming line negative connection row 90 , and the incoming line positive connection plate 80 is located on the right side of the incoming line positive connection row 70 .

The incoming line positive connection plate 80 is located under the rear side of the incoming line negative connection plate 100. Specifically, the first mounting bracket 160 is fixed by bolts between the two middle fixing columns 150 on the left and right sides in the first space 11 and is located on the second side. A second mounting bracket 170 below the rear side of the mounting bracket 160, the incoming line negative connection row 90 is in a Z shape, including a first vertical section, a second vertical section and a connection between the first vertical section and the second vertical section. The first connecting section between the two, the first vertical section is connected to the main bus switch 60, the second vertical section is fixedly connected to the negative connection plate 100 of the incoming line, and the negative connecting plate 100 of the incoming line is vertically arranged and fixed on the first installation bracket 160, the positive connection bar 70 of the incoming line extends vertically, and its upper end is connected with the main bus switch 60, and its lower end is fixedly connected with the positive connection plate 80 of the incoming line. The positive connection plate 80 of the incoming line is vertically arranged and fixed on the second installation bracket 170 on. To sum up, the incoming line positive connection plate 80 and the incoming line negative connection plate 100 are not only staggered in the up-down direction, but also staggered in the front-back direction.

As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the outgoing line positive pole busbar includes the outgoing line positive pole connecting bar 110 and the outgoing line positive pole connecting plate 120 connected with the outgoing line positive pole connecting bar 110, and the outgoing line negative pole busbar includes the outgoing line negative pole The connecting row 130 and the outgoing-line negative connection plate 140 connected with the outgoing-line negative connection row 130 . Wherein, the positive connection bar 110 of the outgoing line and the negative connection bar 130 of the outgoing line are located between the positive connection bar 70 of the incoming line and the negative connection bar 90 of the incoming line, and both are connected to the main bus switch 60 . The outgoing line positive connection plate 120 and the outgoing line negative connection plate 140 are used to connect with the PCS equipment, and the outgoing line positive connection plate 120 is positioned at the left side of the outgoing line positive connection row 110, the outgoing line negative connection plate 140 is positioned at the right side of the outgoing line negative connection row 130, and the outgoing line The negative connecting plate 140 and the outgoing positive connecting plate 120 are located in the same vertical plane.

The outgoing line negative connection plate 140 and the outgoing line positive connection plate 120 are located under the rear side of the incoming line positive connection plate 80. Specifically, the two rear side fixing columns 30 on the left and right sides in the first space 11 are fixed by bolts to the second side. The third mounting bracket 180 below the rear side of the second mounting bracket 170, the outgoing line positive connection row 110 and the outgoing line negative connection row 130 are in a Z shape, and the outgoing line positive connection row 110 includes a third vertical section, a fourth vertical section and a The second connection section between the third vertical section and the fourth vertical section, the third vertical section is connected to the main bus switch 60, the fourth vertical section is fixedly connected to the outgoing line positive connecting plate 120, and the outgoing line positive connecting plate 120 It is vertically arranged and fixed on the third installation bracket 180 . The outgoing line negative connection row 130 includes a fifth vertical section, a sixth vertical section, and a third connecting section connected between the fifth vertical section and the sixth vertical section, and the fifth vertical section is connected to the main bus switch 60 , the sixth vertical section is fixedly connected to the outgoing line negative connection plate 140 , and the outgoing line negative connection plate 140 is vertically arranged and fixed on the third mounting bracket 180 . To sum up, the negative connection plate 140 of the outgoing line, the positive connection plate 120 of the outgoing line and the positive connection plate 80 of the incoming line are not only staggered in the vertical direction, but also staggered in the front-to-back direction. In addition, the incoming line positive connection row 70 , the third vertical section, the fifth vertical section, and the first vertical section are arranged in sequence from left to right and are located in the same vertical plane.

The first installation bracket 160, the second installation bracket 170 and the third installation bracket 180 are all metal brackets, and there are interposed between the first installation bracket 160, the second installation bracket 170 and the third installation bracket 180 and the corresponding connecting plates. The insulator, in this embodiment, the insulator is a cylindrical insulator 190 .

As shown in Figures 1 and 3, the confluence control cabinet for the energy storage system also includes a power distribution unit and a control unit located in the second space 12, wherein the control unit is fixedly installed in the second space 12 in the form of a control box 200 Specifically, a second Supporting beams 210 , the control box 200 is fixedly installed in the second space 12 through four second supporting beams 210 . In the second space 12, a third support beam positioned above the control box 200 is also fixed by each front side fixed column 20 and each rear side fixed column 30, and the power distribution unit is fixedly installed on the top of the control box 200 by the third support beam ( not shown in the figure), and the power distribution unit and the control box 200 are connected by cables.

Both the power distribution unit and the control box 200 are connected to the power distribution main switch in the confluence unit through cables, and a terminal accessory 260 located below the control box 200 is installed in the second space 12, and the terminal accessory 260 is used to realize the power distribution unit and the power distribution unit. The transfer of the cable connection between the control box 200 and the confluence unit, that is, the power distribution unit and the control box 200 are first connected to the terminal accessories 260 through cables, and then the terminal accessories 260 are connected to the confluence unit through cables. The left and right sides of the front side of the partition plate 40 are all provided with perforations 41 for cables to pass through, and the left and right sides of the first space 11 are also provided with first wire grooves 240 corresponding to the two perforations 41 up and down respectively, and the two second The wire slots 240 are respectively fixed on the two front fixing posts 20, and two second wire slots 250 located on the left and right sides of the cabinet body 10 are also fixed in the second space 12, and the two second wire slots 250 extend forward and backward. Both the wire slot 240 and the second wire slot 250 pass through the cables passing through the perforation 41. Specifically, the cables drawn from the terminal attachment 260 pass through the second wire slot 250 and then pass through the perforation 41, and then pass through the first wire slot after being perforated. 240 is connected with the flow unit. Through the first wire slot 240 and the second wire slot 250 , the routing of cables passing through the perforation 41 on the partition 40 is facilitated, which is beneficial to improving the aesthetics of the cable routing in the cabinet body 10 .

As shown in Figures 1 and 3, the control box 200 is also connected to the battery unit in the battery prefabricated cabin, and the front side of the control box 200 is provided with a touch control screen 201, and the touch control screen 201 is used to monitor the operating data of the battery unit and Used to apply corresponding control commands. In order to observe the operation data of the battery unit on the touch control screen 201 conveniently, the second cabinet door 14 is also provided with an observation window 16 corresponding to the touch control screen 201, and the observation window 16 is designed with explosion-proof glass. The power distribution unit includes a power distribution master switch. As shown in FIG. 2, an emergency stop button 220 is arranged on the second cabinet door 14, and the emergency stop button 220 is connected to the power distribution master switch and the bus master switch 60 for realizing Emergency stop operation of distribution main switch and bus main switch 60.

In addition, as shown in FIG. 1 and FIG. 2 , a cooling fan 230 is provided on the top of the cabinet body 10 , and the cooling fan 230 is used to realize the cooling function of the cabinet body 10 during operation.

In the confluence control cabinet for the energy storage system of the present invention, since there are a plurality of support beams arranged in the cabinet, and because the confluence unit, the control unit and the power distribution unit are installed in the cabinet through the corresponding support beams, that is, the confluence unit, the control unit and the The power distribution unit is integrated and installed in the same cabinet, so compared with the existing technology, by integrating the confluence unit, control unit and power distribution unit in the same cabinet, it is beneficial to reduce the power consumption of the confluence unit, control unit and power distribution unit in the battery. The occupied area in the prefabricated cabin can further improve the utilization rate of the space in the battery prefabricated cabin, which is conducive to the improvement of the energy density of the whole cabin.

Embodiment 2 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the insulator is a columnar insulator. However, in this embodiment, the insulating member is an insulating pad.

Embodiment 3 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the first mounting bracket, the second mounting bracket and the third mounting bracket are all metal brackets. However, in this embodiment, the first installation bracket, the second installation bracket and the third installation bracket are all insulating brackets, and in this case, there is no need to arrange insulating parts between each installation bracket and each corresponding connecting plate.

Embodiment 4 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, a plurality of fixing holes are arranged on the middle fixing column along the up and down direction, and the first mounting bracket, the second mounting bracket and the third mounting bracket can be fixed through the fixing holes. It can be disassembled and installed in the cabinet in an up and down adjustable manner. In this embodiment, the first mounting bracket, the second mounting bracket and the third mounting bracket are welded and fixed on the middle fixing column.

Embodiment 5 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the first installation bracket, the second installation bracket and the third installation bracket are fixed and installed in the cabinet through two middle fixing columns located on the left and right sides of the cabinet body. in vivo. In this embodiment, the first mounting bracket, the second mounting bracket and the third mounting bracket are directly fixedly connected to the left and right side panels of the cabinet, so as to realize fixed installation in the cabinet.

Embodiment 6 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the incoming line negative connection plate is located on the left side of the incoming line negative connection row, and the incoming line positive connection plate is located on the right side of the incoming line positive connection row. In this embodiment, the negative connecting plate of the incoming line is located on the left side of the negative connecting row of the incoming line, and the positive connecting plate of the incoming line is located on the left side of the positive connecting row of the incoming line. In other embodiments, the negative connection plate of the incoming line is located on the right side of the negative connection row of the incoming line, and the positive connection plate of the incoming line is located on the right side of the positive connection row of the incoming line. Alternatively, the incoming line negative connection plate is located on the right side of the incoming line negative connection row, and the incoming line positive connection plate is located on the left side of the incoming line positive connection row. In this case, the incoming line negative connection plate and the incoming line positive connection plate can be located at in the same vertical plane.

Embodiment 7 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the outgoing line positive connection plate is located on the left side of the outgoing line positive connection row, and the outgoing line negative connection plate is located on the right side of the outgoing line negative connection row. In this embodiment, when the outgoing line positive connecting plate and the outgoing line negative connecting plate are staggered forward and backward, the outgoing line positive connecting plate is located on the right side of the outgoing line positive connecting row, and the outgoing line negative connecting plate is located on the left side of the outgoing line negative connecting row. In other embodiments, when the outgoing line positive connection plate and the outgoing line negative connection plate are staggered forward and backward, the outgoing line positive connection plate is located on the left side of the outgoing line positive connection row, and the outgoing line negative connection plate is located on the left side of the outgoing line negative connection row, or the outgoing line The positive connection plate is located on the right side of the outgoing line positive connection row, and the outgoing line negative connection plate is located on the right side of the outgoing line negative connection row.

Embodiment 8 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the outgoing line positive connection plate and the outgoing line negative connection plate are located below the rear side of the incoming line positive connection plate. However, in this embodiment, the positive connection plate of the outgoing line and the negative connection plate of the outgoing line are located at the rear side of the positive connection plate of the incoming line. In other embodiments, the outgoing line positive connection plate and the outgoing line negative connection plate are located below the incoming line positive connection plate, or, when there is sufficient space between the incoming line negative connection plate and the incoming line positive connection plate, the outgoing line positive connection plate and the outgoing line negative connecting plate can also be located between the incoming line negative connecting plate and the incoming line positive connecting plate, or the outgoing line positive connecting plate and the outgoing line negative connecting plate can also be located in front of the incoming line negative connecting plate and the incoming line positive connecting plate side.

Embodiment 9 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the positive connecting plate of the incoming line is located below the rear side of the negative connecting plate of the incoming line. However, in this embodiment, the positive connecting plate of the incoming line is located at the rear side of the negative connecting plate of the incoming line. In other embodiments, the positive connecting plate of the incoming line is located below the negative connecting plate of the incoming line.

Embodiment 10 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the incoming positive connecting plate, the incoming negative connecting plate, the outgoing positive connecting plate and the outgoing negative connecting plate are all staggered in the front-back direction and the up-down direction. In this embodiment, when the incoming positive busbar, incoming negative busbar, outgoing positive busbar, and outgoing negative busbar all extend vertically downward, the incoming positive connecting plate, incoming negative connecting plate, and outgoing positive Both the connection plate and the outgoing line negative connection plate are located in the same vertical plane.

Embodiment 11 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and embodiment 1 is that in embodiment 1, wire grooves corresponding to the upper and lower sides of the perforations on the partition are arranged in the first space. However, in this embodiment, the first space and the second space are provided with slots corresponding to the upper and lower sides of the perforations on the partition. In other embodiments, the second space is provided with slots corresponding to the upper and lower sides of the perforations on the partition.

Embodiment 12 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the first space is located below the second space. However, in this embodiment, the first space is located above the second space. In this case, the wire passing holes may be arranged on the top plate of the cabinet.

Embodiment 13 of the confluence control cabinet for the energy storage system in the present invention:

The difference between this embodiment and Embodiment 1 is that in Embodiment 1, a partition board is provided in the cabinet for dividing the space in the cabinet into a first space and a second space arranged along the up-down direction. In this embodiment, no partition is provided in the cabinet, and the power distribution unit, the control unit and the confluence unit are all located in the same space. In this case, a cabinet door can be provided on the cabinet body, and the cabinet door is connected to the , the control unit and the confluence unit are arranged correspondingly.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. The scope of patent protection of the present invention is subject to the claims. Any equivalent structural changes made by using the description and accompanying drawings of the present invention, All should be included in the protection scope of the present invention in the same way.

Claims (10)

1. The junction control cabinet for the energy storage system is characterized by comprising a cabinet body (10) with the height extending along the vertical direction, wherein a plurality of supporting beams are arranged in the cabinet body (10), the junction control cabinet for the energy storage system further comprises a junction unit, a control unit and a power distribution unit which are positioned in the cabinet body (10) and fixedly installed on the corresponding supporting beams, and the junction unit, the control unit and the power distribution unit are connected in pairs through cables; the cabinet body (10) is provided with cabinet doors corresponding to the confluence unit, the control unit and the power distribution unit, and the cabinet body (10) is also provided with a wire passing hole (15) for a cable to pass in and out the cabinet body (10).

2. The cabinet of claim 1, further comprising a partition (40), wherein the partition (40) is used for partitioning the space in the cabinet body (10) into a first space (11) and a second space (12) which are arranged in the vertical direction, the junction unit is installed in the first space (11), the distribution unit and the control unit are installed in the second space (12), the number of the cabinet doors is two, the first cabinet door (13) corresponds to the first space (11) and the second cabinet door (14) corresponds to the second space (12), and the partition (40) is provided with a through hole (41) for a cable to pass through.

3. The bus control cabinet for the energy storage system as claimed in claim 2, wherein the first space (11) is located below the second space (12), and the wire through hole (15) is disposed on a bottom plate of the cabinet body (10).

4. The bus control cabinet for the energy storage system according to claim 2 or 3, wherein at least one of the first space (11) and the second space (12) is provided with a wire groove corresponding to the through hole (41) up and down, and the wire groove is used for a cable passing through the through hole (41) to pass through.

5. The bus control cabinet for the energy storage system according to any one of claims 1 to 3, wherein the bus unit comprises a bus switch (60), and further comprises a positive inlet wire busbar, a negative inlet wire busbar, a positive outlet wire busbar and a negative outlet wire busbar which are connected with the bus switch (60), wherein the positive inlet wire busbar and the negative inlet wire busbar are used for being connected with the battery units, and the positive outlet wire busbar and the negative outlet wire busbar are used for being connected with PCS equipment; the incoming line positive busbar comprises an incoming line positive connecting bar (70) and an incoming line positive connecting plate (80) connected with the incoming line positive connecting bar (70); the incoming line negative busbar comprises an incoming line negative connecting bar (90) and an incoming line negative connecting plate (100) connected with the incoming line negative connecting bar (90); the outgoing line positive busbar comprises an outgoing line positive connecting bar (110) and an outgoing line positive connecting plate (120) connected with the outgoing line positive connecting bar (110); the outgoing negative busbar comprises an outgoing negative connecting bar (130) and an outgoing negative connecting plate (140) connected with the outgoing negative connecting bar (130); the incoming line positive electrode connecting bar (70), the incoming line negative electrode connecting bar (90), the outgoing line positive electrode connecting bar (110) and the outgoing line negative electrode connecting bar (130) are connected with the confluence main switch (60); the incoming line positive connecting plate (80) and the incoming line negative connecting plate (100) are used for being connected with the battery unit, and the outgoing line positive connecting plate (120) and the outgoing line negative connecting plate (140) are used for being connected with the PCS equipment; the incoming line positive connecting plate (80), the incoming line negative connecting plate (100), the outgoing line positive connecting plate (120) and the outgoing line negative connecting plate (140) are arranged in a staggered mode.

6. The confluence control cabinet for the energy storage system according to claim 5, wherein a first mounting bracket (160) and a second mounting bracket (170) located below the rear side of the first mounting bracket (160) are fixed in the first space (11), the incoming negative electrode connecting bar (90) is Z-shaped and comprises a first vertical section, a second vertical section and a first connecting section connected between the first vertical section and the second vertical section, the first vertical section is connected with the confluence main switch (60), the second vertical section is fixedly connected with the incoming negative electrode connecting plate (100), and the incoming negative electrode connecting plate (100) is vertically arranged and fixed on the first mounting bracket (160); the positive connecting plate of inlet wire (80) is fixed on second installing support (170), and the positive connecting row of inlet wire (70) vertical extension just with positive connecting plate of inlet wire (80) fixed connection, positive connecting plate of inlet wire (80) are located the rear side below of inlet wire negative connecting plate (100).

7. The junction control cabinet for the energy storage system according to claim 6, wherein a third mounting bracket (180) located below the rear side of the second mounting bracket (170) is further fixed in the first space (11), the outgoing line positive electrode connecting bar (110) and the outgoing line negative electrode connecting bar (130) are both in a zigzag shape, the outgoing line positive electrode connecting bar (110) comprises a third vertical section, a fourth vertical section and a second connecting section connected between the third vertical section and the fourth vertical section, the third vertical section is connected with the junction main switch (60), the fourth vertical section is fixedly connected with the outgoing line positive electrode connecting plate (120), and the outgoing line positive electrode connecting plate (120) is vertically arranged and fixed on the third mounting bracket (180); the outgoing line negative electrode connecting bar (130) comprises a fifth vertical section, a sixth vertical section and a third connecting section connected between the fifth vertical section and the sixth vertical section, the fifth vertical section is connected with the confluence main switch (60), the sixth vertical section is fixedly connected with an outgoing line negative electrode connecting plate (140), the outgoing line negative electrode connecting plate (140) is vertically arranged and fixed on a third mounting bracket (180), and the outgoing line negative electrode connecting plate (140) and the outgoing line positive electrode connecting plate (120) are positioned in the same vertical plane; the incoming line positive electrode connecting row (70), the third vertical section, the fifth vertical section and the first vertical section are sequentially arranged from left to right and are located in the same vertical plane.

8. The bus control cabinet for the energy storage system as recited in claim 7, wherein the incoming negative connection board (100) is located on the left side of the incoming negative connection row (90), the incoming positive connection board (80) is located on the right side of the incoming positive connection row (70), the outgoing positive connection board (120) is located on the left side of the outgoing positive connection row (110), and the outgoing negative connection board (140) is located on the right side of the outgoing negative connection row (130).

9. The bus control cabinet for the energy storage system according to claim 7, wherein a fixing column is fixedly arranged on each of left and right sides in the cabinet body (10), the left and right ends of the first mounting bracket (160), the second mounting bracket (170) and the third mounting bracket (180) are respectively fixed on the fixing column through bolts, and a plurality of fixing holes are formed in the fixing column in the vertical direction.

10. The bus control cabinet for the energy storage system as recited in claim 7, wherein the first mounting bracket (160), the second mounting bracket (170) and the third mounting bracket (180) are all metal brackets, and insulation members are respectively clamped between the first mounting bracket (160), the second mounting bracket (170) and the third mounting bracket (180) and the corresponding connecting plates.

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