Conflux cabinet

Abstract

The utility model provides a confluence cabinet. The confluence cabinet comprises a cabinet body, a busbar group, a circuit breaker, an isolating switch and a wire inlet busbar, the internal arrangement of the cabinet body is more tidy and normative, the front area of the cabinet body is an electrical component installation area, the rear area is a wiring area, and the two areas are completely separated, so that the whole confluence cabinet is safer and easier to install and maintain. And meanwhile, the transverse busbars and the vertical busbars are arranged in a staggered manner, so that the internal space of the cabinet body can be reasonably utilized, and the arrangement of parts is more compact. Besides, the disconnecting switches are arranged below the circuit breakers and are all arranged in the front area, and the incoming line busbar is located at the end part of the rear area and is used for being connected with a three-phase line of an external energy storage system, so that convergence can be realized in a manner of incoming lines at the rear part of the cabinet body and outgoing lines at the lower part of the front part of the cabinet body, incoming lines and outgoing lines can be effectively separated, cable overlapping is avoided, and the service life of the cabinet body is prolonged. The overall safety of the confluence cabinet is ensured, and normal use of a user is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage devices, in particular to a combiner cabinet. Background Art

[0002] The convergence device can realize the convergence of multiple energy storage systems. Currently, the convergence device usually adopts a convergence cabinet, which is equipped with a convergence busbar, isolating switch, etc. After the current in multiple energy storage systems converges on the convergence busbar, it is output to the back-end equipment after passing through the isolating switch.

[0003] The arrangement of the components in the existing combiner cabinet is relatively complex, and the internal space utilization rate of the combiner cabinet is low, which not only increases the use cost, but also causes the components to interfere with each other, affecting the normal use of users. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problem in the prior art that the arrangement of the components in the combiner cabinet is relatively complex and the internal space utilization rate of the combiner cabinet is low, which not only increases the cost of use, but also causes the components to interfere with each other, affecting the normal use of the user.

[0005] In order to solve the above technical problems, the utility model provides a busbar cabinet, which includes a cabinet, a busbar group, a circuit breaker, a disconnector and an incoming busbar, wherein the internal space of the cabinet is divided into a front area and a rear area in the width direction of the cabinet; the busbar group includes a horizontal busbar and a vertical busbar arranged in the cabinet; the horizontal busbar is arranged along the length direction of the cabinet, the vertical busbar is arranged along the height direction of the cabinet, and the vertical busbar is connected to the horizontal busbar; the circuit breaker is arranged in the cabinet and arranged in the front area; the outgoing terminal of the circuit breaker is connected to the horizontal busbar; the disconnector is arranged in the cabinet and arranged below the circuit breaker; the disconnector is connected to the vertical busbar; the incoming busbar is arranged between the circuit breaker and the disconnector and arranged in the width direction of the cabinet; the end of the incoming busbar located in the front area is connected to the incoming terminal of the circuit breaker, and the end of the incoming busbar located in the rear area is used to be connected to the three-phase line of an external energy storage system.

[0006] In one embodiment of the present application, the horizontal busbar includes a secondary horizontal busbar and a primary horizontal busbar arranged below the secondary horizontal busbar, and the vertical busbar includes a secondary vertical busbar and a primary vertical busbar arranged below the secondary vertical busbar; the circuit breaker includes an upper row of circuit breakers and a lower row of circuit breakers arranged below the upper row of circuit breakers, the outlet end of the upper row of circuit breakers is connected to the secondary horizontal busbar, and the outlet end of the lower row of circuit breakers is connected to the primary horizontal busbar; the secondary horizontal busbar is connected to the primary horizontal busbar through the secondary vertical busbar, and the primary horizontal busbar is connected to the disconnector through the primary vertical busbar.

[0007] In one embodiment of the present application, three of the secondary horizontal busbars and three of the secondary vertical busbars are provided, and three of the primary horizontal busbars and three of the primary vertical busbars are provided; the three secondary horizontal busbars are arranged at intervals on the width of the cabinet, and the three primary horizontal busbars are arranged at intervals in the width direction of the cabinet, each of the secondary horizontal busbars is connected to one of the primary horizontal busbars through one of the secondary vertical busbars, and the three secondary vertical busbars are arranged at intervals in the length direction of the cabinet; each of the primary horizontal busbars is connected to the disconnector through one of the primary vertical busbars, the three primary vertical busbars are arranged at intervals in the width direction of the cabinet, and the three primary vertical busbars are arranged at intervals in the length direction of the cabinet, so that the three primary vertical busbars are arranged in a staggered manner inside the cabinet.

[0008] In one embodiment of the present application, there are multiple upper row circuit breakers, and multiple upper row circuit breakers are provided on both sides of the secondary vertical busbar; there are multiple lower row circuit breakers, and multiple lower row circuit breakers are provided on both sides of the primary vertical busbar.

[0009] In one embodiment of the present application, the incoming busbar includes an upper row of incoming busbars and a lower row of incoming busbars, the end of the upper row of incoming busbars located in the front area is connected to the incoming terminal of the upper row of circuit breakers, and the end of the lower row of incoming busbars located in the front area is connected to the incoming terminal of the lower row of circuit breakers.

[0010] In one embodiment of the present application, there are multiple upper row incoming busbars and multiple lower row incoming busbars, the upper row incoming busbars are arranged between the upper row circuit breakers and the secondary horizontal busbars, and multiple upper row incoming busbars are arranged on both sides of the secondary vertical busbars; the lower row incoming busbars are arranged between the lower row circuit breakers and the disconnectors, and multiple lower row incoming busbars are arranged on both sides of the primary vertical busbars.

[0011] In one embodiment of the present application, the incoming busbar includes a busbar portion and an upper connecting portion and a lower connecting portion bent and connected at both ends of the busbar portion, the busbar portion is arranged along the width direction of the cabinet; the upper connecting portion is bent toward the top of the cabinet relative to the busbar portion, the upper connecting portion is arranged in the front area, and the upper connecting portion is connected to the incoming terminal of the circuit breaker; the lower connecting portion is bent toward the bottom of the cabinet relative to the busbar portion, the lower connecting portion is arranged in the rear area, and the lower connecting portion is used to connect to the three-phase line of the external energy storage system.

[0012] In one embodiment of the present application, the junction cabinet also includes an N-line outgoing busbar and an N-line busbar arranged inside the cabinet body, the N-line busbar is arranged in the rear area, and the N-line busbar is used to connect to the N line of an external energy storage system; one end of the N-line outgoing busbar is connected to the N-line busbar, and the other end of the N-line outgoing busbar is connected to the disconnector.

[0013] In one embodiment of the present application, the cabinet includes a main body and a front door and a rear door arranged on the main body, and the opposite sides of the main body are respectively provided with a front opening and a rear opening connected to the interior of the cabinet, the front opening corresponds to the front area, and the rear opening corresponds to the rear area; the front door is rotatably connected to the main body to open or close the front opening; the rear door is rotatably connected to the main body to open or close the rear opening.

[0014] In one embodiment of the present application, the cabinet body also includes a base, which is arranged at the bottom of the main body, and slots are provided on the surrounding sides of the base; the cabinet body also includes a cabinet top, and the top of the main body is provided with a top opening connected to the interior of the cabinet body, and the cabinet top is arranged at the top opening; the surrounding side edges of the cabinet top extend outward from the side of the main body, and heat dissipation holes are provided on the surrounding side edges of the cabinet top, and the internal space of the cabinet body is connected to the external environment space through the heat dissipation holes; the cabinet body also includes a lifting ring, which is arranged on the surface of the cabinet top, and the lifting ring is used to connect with the lifting equipment.

[0015] It can be seen from the above technical scheme that the beneficial effects of the utility model are as follows: the internal layout of the junction box of the utility model is more neat and standardized, the front area of ​​the cabinet is the electrical component installation area, and the rear area is the wiring area, and the two are completely separated, making the junction box as a whole safer and easier to install and maintain. At the same time, the staggered arrangement of the horizontal busbar and the vertical busbar can reasonably utilize the space inside the cabinet and make the component layout more compact. In addition, the isolating switch is arranged below the circuit breaker and is arranged in the front area. The end of the incoming busbar in the rear area is used to connect to the three-phase line of the external energy storage system. In this way, the junction can be achieved by entering the cabinet at the rear and exiting the cabinet at the bottom front. The incoming and outgoing lines can be effectively separated to avoid cable overlap, ensure the overall safety of the junction box, and ensure normal use by users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment of a combiner cabinet of the utility model.

[0017] Figure 2 yes Figure 1 The schematic diagram of the structure of the combiner cabinet from another viewing direction is shown.

[0018] Figure 3 yes Figure 1 The schematic diagram of the structure of the internal components of the combiner cabinet is shown in FIG.

[0019] The reference numerals are as follows: 100, busbar cabinet; 10, cabinet body; 101, front area; 102, rear area; 11, main body; 111, front opening; 112, rear opening; 12, front door; 13, rear door; 14, base; 141, slot; 15, cabinet top; 151, heat dissipation hole; 16, lifting ring; 17, display module; 20, busbar group; 211, primary horizontal busbar; 21 2. Secondary horizontal busbar; 221. Primary vertical busbar; 222. Secondary vertical busbar; 31. Upper row of circuit breakers; 32. Lower row of circuit breakers; 40. Disconnector; 501. Busbar section; 502. Upper connecting section; 503. Lower connecting section; 51. Upper row of incoming busbar; 52. Lower row of incoming busbar; 61. N-line outgoing busbar; 62. N-line busbar; 70. Power module; 80. Human-computer interaction module. DETAILED DESCRIPTION

[0020] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially for illustrative purposes rather than for limiting the present invention.

[0021] In the description of the present application, it should be understood that in the embodiments shown in the drawings, the indications of directions or positional relationships (such as up, down, left, right, front and back, etc.) are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the descriptions of the positions of these elements change, the indications of these directions also change accordingly.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] See also Figures 1 to 3 An embodiment of the present application provides a junction box 100, which can realize the junction of multiple energy storage systems. The junction box 100 includes a cabinet 10, a busbar group 20, a circuit breaker, an isolating switch 40 and an incoming busbar.

[0024] Specifically, the internal space of the cabinet 10 is divided into a front area 101 and a rear area 102 in the width direction of the cabinet 10. The busbar group 20 includes a transverse busbar and a vertical busbar arranged inside the cabinet 10, the transverse busbar is arranged along the length direction of the cabinet 10, the vertical busbar is arranged along the height direction of the cabinet 10, and the vertical busbar is connected to the transverse busbar. The circuit breaker is arranged inside the cabinet 10 and arranged in the front area 101, and the outgoing terminal of the circuit breaker is connected to the transverse busbar. The isolating switch 40 is arranged inside the cabinet 10 and arranged below the circuit breaker. The isolating switch 40 is connected to the vertical busbar. The incoming busbar is arranged between the circuit breaker and the isolating switch 40 and is arranged along the width direction of the cabinet 10. The end of the incoming busbar located in the front area 101 is connected to the incoming terminal of the circuit breaker, and the end of the incoming busbar located in the rear area 102 is used to connect to the three-phase line of the external energy storage system.

[0025] In this embodiment, the cabinet 10 is a cubic structure as a whole, and includes a main body 11, a front door 12 and a rear door 13, and the front door 12 and the rear door 13 are both rotatably connected to the main body 11. The combiner cabinet 100 of this embodiment also includes a display module 17, which is arranged on the front door 12 and is used to display relevant information and data of the combiner cabinet 100, so as to facilitate real-time monitoring by the user.

[0026] The main body 11 of this embodiment has a front opening 111 and a rear opening 112 on opposite sides thereof, and both the front opening 111 and the rear opening 112 are connected to the interior of the main body 11. The front opening 111 corresponds to the front area 101 of the main body 11, and the rear opening 112 corresponds to the rear area 102 of the main body 11.

[0027] The front door 12 is rotatably connected to the main body 11 to open or close the front opening 111. The rear door 13 is rotatably connected to the main body 11 to open or close the rear opening 112.

[0028] In this embodiment, the cabinet 10 further includes a base 14, which is disposed at the bottom of the main body 11, and slots 141 are disposed on the periphery of the base 14. The outer contour of the base 14 is the same as the outer contour of the cross section of the main body 11, both of which are rectangular. Two slots 141 are disposed on each side of the base 14, and the positions of the multiple slots 141 on the two opposite sides of the base 14 correspond to each other.

[0029] Through the slot 141 , a forklift can transfer the combiner cabinet 100 as a whole, thereby achieving the overall installation of the combiner cabinet 100 and ensuring efficient and rapid assembly and use of the combiner cabinet 100 .

[0030] In this embodiment, the cabinet 10 further includes a cabinet top 15. A top opening communicating with the interior of the cabinet 10 is provided at the top of the main body 11, and the cabinet top 15 is disposed at the top opening. The peripheral side edges of the cabinet top 15 all extend outward from the side of the main body 11, and heat dissipation holes 151 are provided on the peripheral side edges of the cabinet top 15, and the internal space of the cabinet 10 is communicated with the external environment space through the heat dissipation holes 151.

[0031] The peripheral edges of the cabinet top 15 extend outward from the side of the main body 11, which can effectively meet the rainproof requirements of the combiner cabinet 100. The heat dissipation holes 151 of this embodiment extend toward the bottom of the cabinet 10, and the heat collected on the top of the main body 11 can be dissipated to the outside of the cabinet 10 through the heat dissipation holes 151, ensuring the heat dissipation effect of the combiner cabinet 100, meeting the outdoor protection requirements of the combiner cabinet 100, and ensuring the normal use and long service life of the combiner cabinet 100.

[0032] In addition, the cabinet body 10 of this embodiment further includes a lifting ring 16, which is arranged on the surface of the cabinet top 15. The lifting ring 16 is arranged at the four corners of the cabinet top 15, and the lifting ring 16 is used to connect with the lifting equipment. Through the lifting ring 16, the lifting equipment can lift and install the combiner cabinet 100.

[0033] Furthermore, a busbar group 20 is provided inside the cabinet 10, and the busbar group 20 includes a transverse busbar and a vertical busbar. The transverse busbar is arranged along the length direction of the cabinet 10, and the vertical busbar is arranged along the height direction of the cabinet 10, and the vertical busbar is connected to the transverse busbar;

[0034] In this embodiment, the horizontal busbar includes a secondary horizontal busbar 212 and a primary horizontal busbar 211 disposed below the secondary horizontal busbar 212, and the vertical busbar includes a secondary vertical busbar 222 and a primary vertical busbar 221 disposed below the secondary vertical busbar 222. The secondary horizontal busbar 212 is connected to the primary horizontal busbar 211 through the secondary vertical busbar 222, and the primary horizontal busbar 211 is connected to the disconnector 40 through the primary vertical busbar 221.

[0035] There are three first-level horizontal busbars 211 and three first-level vertical busbars 221 , and there are three second-level horizontal busbars 212 and three second-level vertical busbars 222 .

[0036] In other examples of this embodiment, according to actual usage requirements, the horizontal busbar may include multiple levels of horizontal busbars, and the vertical busbar may also include multiple levels of vertical busbars. The arrangement of the multiple levels of horizontal busbars and the multiple levels of vertical busbars is the same as the arrangement of the first-level horizontal busbar 211 and the first-level vertical busbar 221, the second-level horizontal busbar 212 and the second-level vertical busbar 222, and no excessive limitations are made here.

[0037] In this embodiment, the three secondary horizontal busbars 212 are arranged at intervals in the width of the cabinet 10, and the three primary horizontal busbars 211 are arranged at intervals in the width direction of the cabinet 10. Each secondary horizontal busbar 212 is connected to a primary horizontal busbar 211 through a secondary vertical busbar 222, and the three secondary vertical busbars 222 are arranged at intervals in the length direction of the cabinet 10.

[0038] Each first-level horizontal busbar 211 is connected to the disconnector 40 through a first-level vertical busbar 221, and the three first-level vertical busbars 221 are arranged at intervals in the width direction of the cabinet 10, and the three first-level vertical busbars 221 are arranged at intervals in the length direction of the cabinet 10, so that the three first-level vertical busbars 221 are arranged in an alternating manner inside the cabinet 10.

[0039] The arrangement of the first-level horizontal busbar 211 and the first-level vertical busbar 221, as well as the second-level horizontal busbar 212 and the second-level vertical busbar 222 shown in this embodiment can not only realize the effective connection between the vertical busbar and the horizontal busbar, but also make full use of the space inside the cabinet 10, making the arrangement of various components more compact and reasonable.

[0040] Furthermore, in this embodiment, the circuit breaker is disposed inside the cabinet 10 and arranged in the front area 101 , and the outgoing terminal of the circuit breaker is connected to the transverse busbar.

[0041] Specifically, the circuit breaker of this embodiment includes an upper row of circuit breakers 31 and a lower row of circuit breakers 32 arranged below the upper row of circuit breakers 31 , the outgoing line end of the upper row of circuit breakers 31 is connected to the secondary horizontal busbar 212 , and the outgoing line end of the lower row of circuit breakers 32 is connected to the primary horizontal busbar 211 .

[0042] In this embodiment, there are multiple upper-row circuit breakers 31, and multiple upper-row circuit breakers 31 are provided on both sides of the secondary vertical busbar 222. There are multiple lower-row circuit breakers 32, and multiple lower-row circuit breakers 32 are provided on both sides of the primary vertical busbar 221. The circuit breakers in this embodiment are arranged in upper and lower layers, which can fully utilize the height space of the combiner cabinet 100, and can effectively reduce the design width of the combiner cabinet 100, so that the internal components of the combiner cabinet 100 are arranged more compactly.

[0043] In this embodiment, the plurality of upper row circuit breakers 31 and the plurality of lower row circuit breakers 32 are respectively connected to an energy storage system, so that the energy storage systems do not affect each other and operate independently.

[0044] Furthermore, a disconnector 40 and an incoming busbar are also provided inside the cabinet 10. The disconnector 40 is arranged inside the cabinet 10 and below the circuit breaker, and the disconnector 40 is connected to the vertical busbar. The incoming busbar is arranged between the circuit breaker and the disconnector 40 and is arranged along the width direction of the cabinet 10. The end of the incoming busbar located in the front area 101 is connected to the incoming end of the circuit breaker, and the end of the incoming busbar located in the rear area 102 is used to connect to the three-phase line of the external energy storage system.

[0045] The junction cabinet 100 of this embodiment adopts the method of rear incoming line and front down outgoing line, which can not only realize the junction function, but also separate the incoming line and the outgoing line to avoid cable overlap. At the same time, the isolating switch 40 outgoing line is arranged at the bottom, which can effectively save the outgoing line length and reduce the production cost of the junction cabinet 100.

[0046] In this embodiment, the incoming busbar includes an upper incoming busbar 51 and a lower incoming busbar 52. The upper incoming busbar 51 is located at the end of the front area 101 and is connected to the incoming end of the upper circuit breaker 31. The lower incoming busbar 52 is located at the end of the front area 101 and is connected to the incoming end of the lower circuit breaker 32.

[0047] In this embodiment, multiple upper incoming busbars 51 and lower incoming busbars 52 are provided. The upper incoming busbar 51 is arranged between the upper circuit breaker 31 and the secondary horizontal busbar 212, and multiple upper incoming busbars 51 are provided on both sides of the secondary vertical busbar 222. The lower incoming busbar 52 is arranged between the lower circuit breaker 32 and the disconnector 40, and multiple lower incoming busbars 52 are provided on both sides of the primary vertical busbar 221.

[0048] In this embodiment, the upper incoming busbar 51 and the lower incoming busbar 52 both include a busbar portion 501 and an upper connecting portion 502 and a lower connecting portion 503 bent and connected at both ends of the busbar portion 501 . The busbar portion 501 is arranged along the width direction of the cabinet 10 .

[0049] The upper connection part 502 is bent relative to the busbar part 501 toward the top of the cabinet 10, and is arranged in the front area 101. The upper connection part 502 is connected to the incoming line terminal of the circuit breaker. The lower connection part 503 is bent relative to the busbar part 501 toward the bottom of the cabinet 10, and is arranged in the rear area 102. The lower connection part 503 is used to connect to the three-phase line of the external energy storage system.

[0050] In this embodiment, the upper connection portion 502 of the upper incoming busbar 51 is connected to the incoming terminal of the upper circuit breaker 31, and the upper connection portion 502 of the lower incoming busbar 52 is connected to the incoming terminal of the lower circuit breaker 32. The lower connection portion 503 of the upper incoming busbar 51 and the lower connection portion 503 of the lower incoming busbar 52 are both connected to the three-phase line of the external energy storage system.

[0051] The incoming busbar of this embodiment is arranged in a graded manner and the circuit breaker is connected by a bending structure design, which can avoid the use of high-cost special-shaped components, make the layout of the incoming busbar more compact, reasonably utilize the space inside the cabinet 10, and effectively ensure the electrical safety gap.

[0052] The flow cabinet of this embodiment further includes an N-line outgoing busbar 61 and an N-line busbar 62 arranged inside the cabinet body 10. The N-line busbar 62 is arranged in the rear area 102, and the N-line busbar 62 is used to connect to the N line of the external energy storage system. One end of the N-line outgoing busbar 61 is connected to the N-line busbar 62, and the other end of the N-line outgoing busbar 61 is connected to the disconnector 40.

[0053] In this embodiment, one end of the N-line outgoing busbar 61 is bent and connected to the N-line busbar 62 , and the other end is bent and connected to the disconnector 40 , and is connected to external cables together with the disconnector 40 .

[0054] In addition, the junction cabinet 100 of this embodiment further includes a power module 70 and a human-machine interaction module 80. Both the power module 70 and the human-machine interaction module 80 are arranged inside the cabinet 10 and are arranged in the front area 101 near the top of the cabinet 10. The power module 70 is used for power supply, and the human-machine interaction module 80 has monitoring and communication functions, which effectively ensures remote monitoring of the entire junction system.

[0055] In this embodiment, each secondary horizontal busbar 212 is connected to a primary horizontal busbar 211 through a secondary vertical busbar 222, and each primary horizontal busbar 211 is connected to the disconnector 40 through a primary vertical busbar 221. The outgoing line end of the upper row of circuit breakers 31 is connected to the secondary horizontal busbar 212, and the outgoing line end of the lower row of circuit breakers 32 is connected to the primary horizontal busbar 211. The upper connecting portion 502 of the upper row of incoming line busbars 51 is connected to the incoming line end of the upper row of circuit breakers 31, and the upper connecting portion 502 of the lower row of incoming line busbars 52 is connected to the incoming line end of the lower row of circuit breakers 32. The lower connecting portion 503 of the upper row of incoming line busbars 51 and the lower connecting portion 503 of the lower row of incoming line busbars 52 are both connected to the three-phase lines of the external energy storage system. The N-line busbar 62 is connected to the N-line of the external energy storage system. One end of the N-line outgoing busbar 61 is bent and connected to the N-line busbar 62 , and the other end is bent and connected to the disconnector 40 , and is connected to external cables together with the disconnector 40 .

[0056] For the junction box of this embodiment, the internal layout of the cabinet is more neat and standardized. The front area of ​​the cabinet is the electrical component installation area, and the rear area is the wiring area. The two are completely separated, making the junction box as a whole safer and easier to install and maintain. At the same time, the staggered arrangement of the horizontal busbar and the vertical busbar can reasonably utilize the space inside the cabinet and make the component layout more compact. In addition, the isolating switch is arranged below the circuit breaker and is arranged in the front area. The end of the incoming busbar in the rear area is used to connect to the three-phase line of the external energy storage system. In this way, the junction can be achieved by entering the rear of the cabinet and exiting the front and bottom. The incoming and outgoing lines can be effectively separated to avoid cable overlap, ensure the overall safety of the junction box, and ensure normal use by users.

[0057] Although the utility model has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the utility model can be implemented in a variety of forms without departing from the spirit or essence of the utility model, it should be understood that the above-mentioned embodiments are not limited to any of the aforementioned details, but should be widely interpreted within the spirit and scope defined by the attached claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the attached claims.

Claims

1. A combiner cabinet, It is characterized in that include: A cabinet body, the inner space of which is divided into a front area and a rear area in the width direction of the cabinet body; A busbar group, comprising a transverse busbar and a vertical busbar arranged inside the cabinet; the transverse busbar is arranged along the length direction of the cabinet, the vertical busbar is arranged along the height direction of the cabinet, and the vertical busbar is connected to the transverse busbar; A circuit breaker is disposed inside the cabinet and arranged in the front area; an outlet terminal of the circuit breaker is connected to the transverse busbar; An isolating switch is arranged inside the cabinet and below the circuit breaker; the isolating switch is connected to the vertical busbar; The incoming busbar is arranged between the circuit breaker and the disconnector and is set along the width direction of the cabinet; the end of the incoming busbar located in the front area is connected to the incoming end of the circuit breaker, and the end of the incoming busbar located in the rear area is used to connect to the three-phase line of the external energy storage system.

2. The combiner cabinet according to claim 1, It is characterized in that The horizontal busbar includes a secondary horizontal busbar and a primary horizontal busbar arranged below the secondary horizontal busbar, and the vertical busbar includes a secondary vertical busbar and a primary vertical busbar arranged below the secondary vertical busbar; The circuit breaker includes an upper row of circuit breakers and a lower row of circuit breakers arranged below the upper row of circuit breakers, the outgoing line end of the upper row of circuit breakers is connected to the secondary horizontal busbar, and the outgoing line end of the lower row of circuit breakers is connected to the primary horizontal busbar; the secondary horizontal busbar is connected to the primary horizontal busbar through the secondary vertical busbar, and the primary horizontal busbar is connected to the disconnector through the primary vertical busbar.

3. The combiner cabinet according to claim 2, It is characterized in that There are three secondary horizontal busbars and three secondary vertical busbars, and there are three primary horizontal busbars and three primary vertical busbars; The three secondary horizontal busbars are arranged at intervals in the width of the cabinet, the three primary horizontal busbars are arranged at intervals in the width direction of the cabinet, each of the secondary horizontal busbars is connected to one primary horizontal busbar through one secondary vertical busbar, and the three secondary vertical busbars are arranged at intervals in the length direction of the cabinet; Each of the first-level horizontal busbars is connected to the disconnector through one of the first-level vertical busbars, the three first-level vertical busbars are arranged at intervals in the width direction of the cabinet, and the three first-level vertical busbars are arranged at intervals in the length direction of the cabinet, so that the three first-level vertical busbars are arranged in a staggered manner inside the cabinet.

4. The combiner cabinet according to claim 2, It is characterized in that There are multiple upper row circuit breakers, and multiple upper row circuit breakers are arranged on both sides of the secondary vertical busbar; there are multiple lower row circuit breakers, and multiple lower row circuit breakers are arranged on both sides of the primary vertical busbar.

5. The combiner cabinet according to claim 2, It is characterized in that The incoming line busbar includes an upper row of incoming line busbars and a lower row of incoming line busbars. The end of the upper row of incoming line busbars located in the front area is connected to the incoming line terminal of the upper row of circuit breakers, and the end of the lower row of incoming line busbars located in the front area is connected to the incoming line terminal of the lower row of circuit breakers.

6. The combiner cabinet according to claim 5, It is characterized in that The upper row incoming busbar and the lower row incoming busbar are both provided with a plurality of them, the upper row incoming busbar is arranged between the upper row circuit breaker and the secondary horizontal busbar, and a plurality of the upper row incoming busbars are provided on both sides of the secondary vertical busbar; The lower row incoming busbar is arranged between the lower row circuit breaker and the disconnector, and a plurality of the lower row incoming busbars are arranged on both sides of the primary vertical busbar.

7. The combiner cabinet according to claim 1, It is characterized in that The incoming busbar includes a busbar portion and an upper connecting portion and a lower connecting portion bent and connected to two ends of the busbar portion, and the busbar portion is arranged along the width direction of the cabinet; The upper connecting portion is bent toward the top of the cabinet relative to the busbar portion, the upper connecting portion is arranged in the front area, and the upper connecting portion is connected to the incoming line terminal of the circuit breaker; the lower connecting portion is bent toward the bottom of the cabinet relative to the busbar portion, the lower connecting portion is arranged in the rear area, and the lower connecting portion is used to be connected to the three-phase line of the external energy storage system.

8. The combiner cabinet according to claim 1, It is characterized in that The combiner cabinet also includes an N-line outgoing busbar and an N-line busbar arranged inside the cabinet body. The N-line busbar is arranged in the rear area and is used to connect to the N line of an external energy storage system; one end of the N-line outgoing busbar is connected to the N-line busbar, and the other end of the N-line outgoing busbar is connected to the disconnector.

9. The combiner cabinet according to claim 1, It is characterized in that The cabinet includes a main body and a front door and a rear door arranged on the main body. The opposite sides of the main body are respectively provided with a front opening and a rear opening connected to the interior of the cabinet, the front opening corresponds to the front area, and the rear opening corresponds to the rear area; the front door is rotatably connected to the main body to open or close the front opening; the rear door is rotatably connected to the main body to open or close the rear opening.

10. The combiner cabinet according to claim 9, It is characterized in that The cabinet also includes a base, which is arranged at the bottom of the main body, and slots are arranged on the periphery of the base; The cabinet body also includes a cabinet top, the top of the main body is provided with a top opening connected to the interior of the cabinet body, and the cabinet top is arranged at the top opening; the peripheral side edges of the cabinet top all extend outward from the side of the main body, and the peripheral side edges of the cabinet top are provided with heat dissipation holes, and the internal space of the cabinet body is connected to the external environment space through the heat dissipation holes; The cabinet body also includes a lifting ring, which is arranged on the surface of the cabinet top and is used to be connected to a lifting device.

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