Vertical bus system

Abstract

The utility model belongs to the technical field of low-voltage electric appliances, and discloses a vertical bus system. The vertical bus system comprises three phases of vertical buses which extend along a second direction and are arranged side by side in a first direction, wherein each phase of vertical bus is provided with a plurality of mounting holes which are arranged at intervals; one end of the middle switching assembly is connected with the mounting hole through a first fastener, and the other end of the middle switching assembly is used for being connected with a pile head of the circuit breaker. According to the utility model, circuit breakers of different models or circuit breakers with different interval installation requirements can be installed on the vertical bus, so that the standardized processing of the vertical bus is realized, and the assembly efficiency of the circuit breakers in the power distribution cabinet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage electrical appliances, in particular to a vertical busbar system. Background Art

[0002] Low-voltage distribution cabinets are usually fixed with a large number of molded case circuit breakers (MCCBs) for safe circuit control. In many application scenarios, the installation density of MCCBs in the distribution cabinet is very high. Each MCCB needs to be connected to the vertical busbar of the distribution cabinet.

[0003] However, in actual use, some circuit breaker posts are plug-in connected to the vertical busbar, which requires users to open corresponding installation holes according to the size of the circuit breaker posts. On the one hand, the spacing between posts on circuit breakers of different models is different, and on the other hand, the spacing between multiple circuit breakers on the vertical busbar needs to be adjusted according to actual conditions, resulting in the need to redesign the existing installation holes on the vertical busbar, which is not only not conducive to the standardized processing of the vertical busbar, but also reduces the assembly efficiency of the circuit breaker in the distribution cabinet. Utility Model Content

[0004] The purpose of the utility model is to provide a vertical busbar system, on which circuit breakers of different models or circuit breakers with different installation spacing requirements can be installed, thereby realizing standardized processing of the vertical busbar and improving the assembly efficiency of the circuit breakers in the distribution cabinet.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Vertical busbar system, including:

[0007] Three-phase vertical busbars extending in the second direction and arranged side by side in the first direction, each phase of the vertical busbars being provided with a plurality of installation holes arranged at intervals;

[0008] An intermediate adapter assembly, one end of which is connected to the mounting hole via a first fastener, and the other end of which is used to be connected to the pile head of the circuit breaker.

[0009] As an optional solution for the vertical busbar system, the mounting hole is a square hole, a square nut is provided in the square hole, and the first fastener can pass through one end of the intermediate adapter assembly and be threadedly connected to the square nut.

[0010] As an optional solution for the vertical busbar system, the intermediate transfer assembly includes a first conductive connector and a first connecting busbar, the first connecting busbar is provided with a first connecting hole and a second connecting hole, the first fastener can pass through the first connecting hole and connect to the mounting hole, one end of the first conductive connector is connected to the second connecting hole, and the other end of the first conductive connector is used to connect to the pile head of the circuit breaker.

[0011] As an optional solution for the vertical busbar system, a circular protrusion is provided at the first end of the first conductive connector, an outer wall surface of the circular protrusion is provided with an external thread, and a polygonal protrusion is provided at the second end of the first conductive connector, and an end surface of the polygonal protrusion is provided with a first internal threaded hole.

[0012] As an optional solution for the vertical busbar system, the end surface of the circular protrusion is provided with a second internal threaded hole.

[0013] As an optional solution for the vertical busbar system, the first connecting busbar is in a Z-shape or a straight line.

[0014] As an optional solution for the vertical busbar system, a first insulating protective layer is provided on the outer wall surface of the first conductive connecting member along the circumferential direction.

[0015] As an optional solution for the vertical busbar system, the intermediate transfer assembly also includes a second conductive connector, one end of which is provided with a limiting protrusion, the limiting protrusion is used to connect to the pile head of the circuit breaker, and the other end of the second conductive connector is provided with a bending protrusion, the bending protrusion is connected to the vertical busbar.

[0016] As an optional solution for the vertical busbar system, the intermediate adapter assembly also includes a second connecting busbar, the second connecting busbar is provided with a third connecting hole and a fourth connecting hole, the first fastener can pass through the third connecting hole to be connected to the mounting hole, the bending protrusion is connected to the fourth connecting hole through the second fastener, and the second connecting busbar is Z-shaped.

[0017] As an optional solution for the vertical busbar system, the outer wall surface of the second conductive connecting member is provided with a second insulating layer.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The vertical busbar system provided by the utility model has a vertical busbar extending along the second direction, and the three-phase vertical busbars are arranged side by side in the first direction. A plurality of mounting holes are provided on each phase vertical busbar, and the pile head of the circuit breaker is connected to the mounting hole on the vertical busbar through an intermediate adapter assembly. On the one hand, the pile heads of circuit breakers of different models can be connected to the vertical busbar by using the intermediate adapter assembly, so that the vertical busbar does not need to be drilled as required. On the other hand, since there are multiple mounting holes, circuit breakers with different spacing installation requirements can be assembled on the vertical busbar without the need to re-drill holes on the vertical busbar. Therefore, by adopting the vertical busbar system provided by the utility model, circuit breakers of different models or circuit breakers with different spacing installation requirements can be installed on the vertical busbar, so as to realize the standardized processing of the vertical busbar and improve the assembly efficiency of the circuit breaker in the power distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a circuit breaker installed in a vertical busbar system in an embodiment of the utility model;

[0021] Figure 2 It is an assembly diagram of the first conductive connector, the first connecting busbar and the vertical busbar in the embodiment of the utility model;

[0022] Figure 3 It is an assembly diagram of the second conductive connector, the second connecting busbar and the vertical busbar in the embodiment of the utility model;

[0023] Figure 4 This is a schematic structural diagram of the first conductive connector in an embodiment of the utility model;

[0024] Figure 5 is a perspective view of a first conductive connecting member in an embodiment of the utility model;

[0025] Figure 6 It is a schematic structural diagram of the second conductive connecting member in an embodiment of the utility model;

[0026] Figure 7 It is a perspective view of the second conductive connecting member in the embodiment of the utility model.

[0027] In the figure:

[0028] 100, vertical busbar; 101, mounting hole; 200, intermediate transfer assembly; 300, circuit breaker;

[0029] 1. First conductive connector; 2. First connecting busbar; 3. Second conductive connector; 4. Second connecting busbar;

[0030] 11. circular protrusion; 111. second internal threaded hole; 12. polygonal protrusion; 121. first internal threaded hole; 13. first insulating protective layer;

[0031] 21. A first connecting hole;

[0032] 31. Limiting protrusion; 311. Third threaded hole; 32. Bending protrusion; 321. Fourth threaded hole; 33. Second insulating protective layer;

[0033] 41, third connecting hole; 42, fourth connecting hole; X, second direction; Y, first direction. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0035] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0038] In order to enable circuit breakers of different models or circuit breakers of different spacing to be installed on the vertical busbar, to achieve standardized processing of the vertical busbar, and to improve the assembly efficiency of the circuit breaker in the power distribution cabinet, this embodiment provides a vertical busbar system, as follows: Figures 1 to 7 The specific contents of this embodiment are described in detail.

[0039] like Figure 1 As shown, in this embodiment, the vertical busbar system includes an intermediate adapter assembly 200 and three-phase vertical busbars 100 extending along the second direction X and arranged side by side in the first direction Y. Each phase vertical busbar 100 is provided with a plurality of mounting holes 101 spaced apart along the second direction X. One end of the intermediate adapter assembly 200 is connected to the mounting hole 101 through a first fastener, and the other end of the intermediate adapter assembly 200 is used to be connected to the pile head of the circuit breaker 300.

[0040] In short, in the vertical busbar system provided by this embodiment, the vertical busbar 100 extends along the second direction X, the three-phase vertical busbars 100 are arranged side by side in the first direction Y, and a plurality of mounting holes 101 arranged at intervals along the second direction X are arranged on each phase vertical busbar 100, and the pile head of the circuit breaker 300 is connected to the mounting hole 101 on the vertical busbar 100 through the intermediate adapter assembly 200. On the one hand, the pile heads of circuit breakers 300 of different models can be connected to the vertical busbar by using the intermediate adapter assembly, so that the vertical busbar 100 does not need to be drilled as required. On the other hand, since there are multiple mounting holes 101, circuit breakers 300 with different spacing installation requirements can be assembled on the vertical busbar 100, without the need to drill holes again on the vertical busbar 100. Therefore, by adopting the vertical busbar system provided by the utility model, circuit breakers 300 of different models or circuit breakers 300 of different spacings can be installed on the vertical busbar 100, thereby realizing standardized processing of the vertical busbar 100 and improving the assembly efficiency of the circuit breaker 300 in the distribution cabinet.

[0041] Exemplarily, the first fastener may be, but is not limited to, a bolt or a screw, etc., and no further limitation is given herein.

[0042] Optionally, the mounting hole 101 is a square hole, and a square nut is provided in the square hole. The first fastener can pass through one end of the intermediate adapter assembly 200 and be threadedly connected to the square nut. The square mounting holes 101 are evenly distributed on the vertical bus 100. The mounting holes 101 are square. The mounting holes 101 cooperate with the square nuts. During the installation process, the square nuts can be restricted from rotating with the first fastener, thereby improving the convenience of personnel operation. The threaded connection method can also ensure the stability of the connection. The modular square hole design on the vertical bus 100 can meet the installation of various current level combinations and meet various current application environments.

[0043] Furthermore, if Figure 2 , Figure 4 and Figure 5 As shown, the intermediate transfer assembly 200 includes a first conductive connector 1 and a first connecting busbar 2, wherein the first conductive connector 1 can be a circular cylinder, which is adapted to the shape of the pile head of the circuit breaker. The first connecting busbar 2 is provided with a first connecting hole 21 and a second connecting hole spaced along the first direction Y, and the first fastener can pass through the first connecting hole 21 of the first connecting busbar 2 and connect with the mounting hole 101 on the vertical busbar 100, one end of the first conductive connector 1 is connected to the second connecting hole of the first connecting busbar 2, and the other end of the first conductive connector 1 is used to connect with the pile head of the circuit breaker 300. The first conductive connector 1 is interconnected with the vertical busbar through the first connecting busbar 2, which can ensure the stability of the connection between the first conductive connector 1 and the vertical busbar.

[0044] Specifically, a circular protrusion 11 is provided at the first end of the first conductive connector 1, and an external thread is provided on the outer wall of the circular protrusion 11. A polygonal protrusion 12 is provided at the second end of the first conductive connector 1, and a first internal thread hole 121 is provided on the end face of the polygonal protrusion 12. In some application scenarios, an internal thread is provided on the inner wall of the second connection hole of the first connection busbar 2, and the threaded connection between the first conductive connector 1 and the first connection busbar 2 is achieved through the external thread on the circular protrusion 11 of the first conductive connector 1 and the internal thread in the second connection hole, without the need to use parts such as bolts and nuts, reducing the operating procedures, and ensuring sufficient electrical clearance and creepage distance. The setting of the polygonal protrusion 12 also makes it easier for tools such as wrenches to be stuck on the first conductive connector 1, avoiding slipping when screwing the first conductive connector 1.

[0045] Preferably, as attached Figure 5 As shown, the end surface of the circular protrusion 11 at the first end of the first conductive connector 1 is provided with a second internal threaded hole 111 inwardly. In some application scenarios, the second connection hole of the first connecting busbar 2 is a through hole. By adding the second internal threaded hole 111 in the circular protrusion 11, the first conductive connector 1 can be used normally in both the forward and reverse directions. The circular protrusion 11 of the first conductive connector 1 can be connected to the vertical busbar or fixed to the pile head of the circuit breaker 300 by screws.

[0046] Optionally, in the application scenario of the three-phase busbar, in the present embodiment, the first connecting busbar 2 is Z-shaped or linear. In some application scenarios, when the vertical busbar 100 is a three-phase vertical busbar, the first connecting busbar 2 is provided with three first connecting busbars respectively matched with the three-phase vertical busbars, and a circuit breaker 300 requires three first conductive connectors 1, and the three first conductive connectors 1 include two shorter first conductive connectors 1 and one longer first conductive connector 1, wherein the longer first conductive connector 1 is threadedly connected to the mounting hole 101 on the corresponding vertical busbar 100 through the linear first connecting busbar 2, and the two shorter first conductive connectors 1 are respectively threadedly connected to the mounting hole 101 on the corresponding vertical busbar 100 through the Z-shaped first connecting busbar 2.

[0047] Specifically, the outer wall surface of the first conductive connector 1 is circumferentially provided with a first insulating protective layer 13. Since the first conductive connector 1 has a conductive property, by wrapping the first insulating protective layer 13 on the middle section of the first conductive connector 1, the use safety is improved and the 25mm electrical clearance and 50mm creepage distance specified by the UL standard are guaranteed.

[0048] Furthermore, if Figure 3 , Figure 6 and Figure 7 As shown, the intermediate transfer assembly 200 also includes a second conductive connector 3. In this embodiment, the second conductive connector 3 can be a square column, which is adapted to the shape of the pile head of the circuit breaker. A limiting protrusion 31 is provided at one end of the second conductive connector 3, and the limiting protrusion 31 is used to connect with the pile head of the circuit breaker. A bending protrusion 32 is provided at the other end of the second conductive connector 3, and the bending protrusion 32 can be connected to the vertical bus 100. Specifically, the bending protrusion 32 is an L-shaped structure, and the bending protrusion 32 includes a vertical portion and a horizontal portion, wherein the vertical portion is connected to the second conductive connector 3, and the horizontal portion can be connected to the vertical bus 100. A third threaded hole 311 is provided on the end face of the limiting protrusion 31. When in use, the step surface of the limiting protrusion 31 maintains horizontal overlap with the pile head of the circuit breaker 300, and a screw or bolt is passed through the pile head of the circuit breaker 300 and is threadedly connected with the third threaded hole 311 of the limiting protrusion 31.

[0049] Furthermore, the intermediate adapter assembly 200 also includes a second connecting busbar 4, the second connecting busbar 4 is provided with a third connecting hole 41 and a fourth connecting hole 42 spaced apart along the first direction Y, the first fastener can pass through the third connecting hole 41 of the second connecting busbar 4 to connect with the mounting hole 101 on the vertical busbar 100, a fourth threaded hole 321 is provided on the horizontal portion of the bending protrusion 32, and the bending protrusion 32 passes through the fourth threaded hole 321 of the bending protrusion 32 on the second conductive connector 3 through the second fastener to connect with the fourth connecting hole 42 of the second connecting busbar 4. The second connecting busbar 4 is Z-shaped, which is convenient for increasing the electrical clearance and creepage distance. In some application scenarios, a circuit breaker 300 requires three second conductive connectors 3, and the three second conductive connectors 3 include two shorter second conductive connectors 3 and one longer second conductive connector 3. The longer second conductive connector 3 is directly threadedly connected to the mounting hole 101 on the corresponding vertical busbar 100 , and the two shorter second conductive connectors 3 are respectively threadedly connected to the mounting holes 101 on the corresponding vertical busbar 100 through the second connecting busbar 4 .

[0050] Preferably, a second insulating layer is provided on the outer wall of the second conductive connector 3. Since the second conductive connector 3 has conductive properties, the electrical gap and safety distance between adjacent different phases are ensured by wrapping the second insulating protective layer 33 on the middle section of the second conductive connector 3.

[0051] Exemplarily, the first insulating layer and the second insulating layer are both made of plastic.

[0052] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A vertical busbar system, characterized in that: include: A three-phase vertical busbar (100) extending along a second direction (X) and arranged side by side in a first direction (Y), wherein each phase of the vertical busbar (100) is provided with a plurality of installation holes (101) arranged at intervals; An intermediate adapter component (200), one end of the intermediate adapter component (200) is connected to the mounting hole (101) via a first fastener, and the other end of the intermediate adapter component (200) is used to be connected to the pile head of the circuit breaker (300).

2. The vertical busbar system according to claim 1, characterized in that: The mounting hole (101) is a square hole, a square nut is arranged in the square hole, and the first fastener can pass through one end of the intermediate adapter assembly (200) and be threadedly connected to the square nut.

3. The vertical busbar system according to claim 1, characterized in that: The intermediate transfer assembly (200) comprises a first conductive connector (1) and a first connecting busbar (2), the first connecting busbar (2) being provided with a first connecting hole (21) and a second connecting hole, the first fastener being able to pass through the first connecting hole (21) and be connected to the mounting hole (101), one end of the first conductive connector (1) being connected to the second connecting hole, and the other end of the first conductive connector (1) being used for connecting to a pile head of a circuit breaker (300).

4. The vertical busbar system according to claim 3, characterized in that: The first end of the first conductive connecting member (1) is provided with a circular protrusion (11), the outer wall surface of the circular protrusion (11) is provided with an external thread, and the second end of the first conductive connecting member (1) is provided with a polygonal protrusion (12), the end surface of the polygonal protrusion (12) is provided with a first internal threaded hole (121).

5. The vertical busbar system according to claim 4, characterized in that: The end surface of the circular protrusion (11) is provided with a second internal threaded hole (111).

6. The vertical busbar system according to any one of claims 3 to 5, characterized in that: The first connecting busbar (2) is in a Z-shape or a straight-line shape.

7. The vertical busbar system according to any one of claims 3 to 5, characterized in that: The outer wall surface of the first conductive connecting member (1) is provided with a first insulating protective layer (13) along the circumferential direction.

8. The vertical busbar system according to any one of claims 1 to 5, characterized in that: The intermediate transfer assembly (200) further comprises a second conductive connector (3), one end of the second conductive connector (3) being provided with a limiting protrusion (31), the limiting protrusion (31) being used to connect to the pile head of the circuit breaker, and the other end of the second conductive connector (3) being provided with a bending protrusion (32), the bending protrusion (32) being connected to the vertical busbar (100).

9. The vertical busbar system according to claim 8, characterized in that: The intermediate adapter assembly (200) further comprises a second connecting busbar (4), the second connecting busbar (4) being provided with a third connecting hole (41) and a fourth connecting hole (42), the first fastener being able to pass through the third connecting hole (41) to be connected to the mounting hole (101), the bending protrusion (32) being connected to the fourth connecting hole (42) via the second fastener, and the second connecting busbar (4) being Z-shaped.

10. The vertical busbar system according to claim 8, characterized in that: The outer wall surface of the second conductive connecting member (3) is provided with a second insulating layer.

Images