Bus device for power distribution cabinet

By designing a busbar device with multi-layer installation grooves and fixed grooves, the problem of inconvenience in installation of traditional busbar devices in small spaces is solved, more installation of lead-out blades is achieved, and the stability and flexibility of the device are improved.

CN222940392UActive Publication Date: 2025-06-03NINGBO OURILI ELECTRIC MFG
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421838044.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-06-03
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

Traditional busbar devices are interlaced and messy in the narrow distribution cabinet box, resulting in inconvenient installation and inflexible enough. In particular, the conductive strip body and lead wire of the planar structure limit the number of lead wires.

Method used

A busbar device for power distribution cabinet is designed, and a combined structure of a base, top cover, conductive strip body, lead-out sheet and fixing sleeve is used to realize the parallel installation of multiple lead-out sheets through multiple installation grooves and fixing grooves, and the number of lead-out sheets is increased through installation grooves of different heights.

Benefits of technology

With the fixed base length, the number of lead-out electric strips is increased, the installation efficiency and stability of the device are improved, and the different electrical connection needs are adapted.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222940392U_ABST
    Figure CN222940392U_ABST
Patent Text Reader

Abstract

The utility model discloses a bus device for an electric power distribution cabinet, which comprises a base, a top cover, a conducting bar body, a first leading-out electric sheet, a second leading-out electric sheet, a leading-in electric sheet, a first fixing sleeve and a second fixing sleeve, the top cover is arranged at the upper end of the base, and a plurality of fixing grooves are formed in the upper surface of the base. A plurality of first mounting grooves and second mounting grooves are formed in the upper surface of the base, conducting bar bodies are arranged in the fixing grooves, each lead-in electric piece is connected with the corresponding conducting bar body, first lead-out electric pieces are arranged in the first mounting grooves, and the first lead-out electric pieces are located in the same horizontal plane. A plurality of second lead-out electric sheets are respectively arranged in each second mounting groove, and the plurality of second lead-out electric sheets in each second mounting groove are positioned in horizontal planes with different heights. According to the utility model, the plurality of second lead-out electric sheets in the same second mounting groove are positioned on different horizontal planes, so that more lead-out electric sheets can be mounted under the condition that the length of the base is fixed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of distribution cabinets, in particular to a busbar device for a power distribution cabinet. Background Art

[0002] For the convenience of circuit management and maintenance, corresponding distribution cabinets or distribution boxes are often set up for the complete installation of devices such as switches and meters. The busbar serves as a carrier for power transmission in the connection of each level of power distribution devices in the distribution cabinet, and traditional busbars mostly use bare wires or stranded wires to form the connection of each level of power distribution devices. However, in the narrow distribution cabinet box body, the busbars are arranged in a criss-cross, even chaotic manner.

[0003] In the prior art, a busbar device is set up to electrically connect the busbar to external power distribution equipment. Just like the safety busbar device disclosed in the prior art CN202111374U, it includes an insulating housing and three conductive bar bodies arranged in the insulating housing. The conductive bar bodies are insulated from each other. One lead-in wire is electrically connected to each conductive bar body respectively. The lead-in wires are insulated from the conductive bar bodies that they are not connected to themselves, and each lead-in wire extends outside the insulating housing respectively. Multiple lead-out wires are also electrically connected to each conductive bar body respectively. The lead-out wires are insulated from the conductive bar bodies that they are not connected to themselves, and the lead-out wires are insulated from each other, and each lead-out wire extends outside the insulating housing respectively. And one lead-out wire located on different conductive bar bodies together constitutes a set of lead-out wires.

[0004] However, the conductive bar bodies and the lead-out wires in this prior art are both planar structures, so that several lead-out wires can only be located in the same horizontal plane, resulting in a relatively small number of lead-out wires. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a solution to the above technical problems.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A busbar device for a power distribution cabinet, comprising a base, a top cover, a busbar body, a first lead-out electrical sheet, a second lead-out electrical sheet, an inlet electrical sheet, a first fixing sleeve and a second fixing sleeve. The top cover is provided at the upper end of the base. A plurality of fixing grooves are formed in the upper surface of the base along a first direction, and a plurality of first mounting grooves and a plurality of second mounting grooves are formed in the upper surface of the base along a second direction. The busbar body is disposed in the fixing grooves. Each inlet electrical sheet is connected to a corresponding busbar body. The first lead-out electrical sheets are disposed in the first mounting grooves, and a plurality of the first lead-out electrical sheets are located in the same horizontal plane. A plurality of the second lead-out electrical sheets are respectively disposed in each second mounting groove, and the plurality of second lead-out electrical sheets in each second mounting groove are in horizontal planes at different heights.

[0008] One end of each first lead-out electrical sheet and one end of each second lead-out electrical sheet are respectively connected to the corresponding busbar body. The other end of each first lead-out electrical sheet extends out of the first mounting groove, and the other end of each second lead-out electrical sheet extends out of the second mounting groove. A first fixing sleeve is sleeved on each first lead-out electrical sheet, and a second fixing sleeve is sleeved on each second lead-out electrical sheet.

[0009] Preferably, the depth of the fixing groove is greater than the depth of the first mounting groove, the depth of the second mounting groove is greater than the depth of the fixing groove, and the second mounting groove communicates with a plurality of the fixing grooves.

[0010] Preferably, each busbar body includes a plurality of first connecting pieces and a plurality of second connecting pieces. Adjacent two first connecting pieces are respectively connected by a second connecting piece, and the second connecting piece is arranged in a shape.

[0011] As a further preference, first connecting holes are respectively formed in the first connecting piece and the second connecting piece.

[0012] As a further preference, each first lead-out electrical sheet includes a first connecting portion and a second connecting portion. One end of the first connecting portion is connected to the second connecting portion. The second connecting portion is arranged in an "L" shape. A second connecting hole is formed in the first connecting portion, and the first connecting portion is connected to the corresponding first connecting piece.

[0013] As a further preference, each second lead-out electrical sheet includes an integrally formed third connecting portion and a fourth connecting portion. The fourth connecting portion is arranged in an "L" shape. A third connecting hole is formed in the third connecting portion, and the third connecting portion is connected to the second connecting piece.

[0014] Preferably, it further includes a connecting ear, and the connecting ear is provided on the side wall of the base.

[0015] Preferably, a plurality of heat dissipation holes are provided in the top cover.

[0016] The above technical solution has the following advantages or beneficial effects:

[0017] In the present utility model, through the arrangement of the first lead-out electric sheet and the second lead-out electric sheet, and a plurality of second lead-out electric sheets in the same second installation groove are at different horizontal planes. When the length of the base is fixed, more lead-out electric sheets can be installed. And through the arrangement of the first fixing sleeve and the second fixing sleeve, the first lead-out electric sheet and the second lead-out electric sheet can be fixed to ensure the stability of the first lead-out electric sheet and the second lead-out electric sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a top view of the busbar device for a power distribution cabinet in the present utility model;

[0019] Figure 2 is a perspective view of the busbar device for a power distribution cabinet in the present utility model;

[0020] Figure 3 is an internal schematic view of the busbar device for a power distribution cabinet in the present utility model;

[0021] Figure 4 is a structural schematic view of the base in the present utility model;

[0022] Figure 5 is an exploded schematic view of the first lead-out electric sheet and the first fixing sleeve in the present utility model;

[0023] Figure 6 is an exploded schematic view of the second lead-out electric sheet and the second fixing sleeve in the present utility model;

[0024] Figure 7 is a structural schematic view of the conductive bar body in the present utility model.

[0025] In the figures: 1, base; 2, top cover; 3, conductive bar body; 301, first connecting piece; 302, second connecting piece; 4, first lead-out electric sheet; 401, first connecting portion; 402, second connecting portion; 5, second lead-out electric sheet; 501, third connecting portion; 502, fourth connecting portion; 6, lead-in electric sheet; 7, first fixing sleeve; 8, second fixing sleeve; 9, fixing groove; 10, first installation groove; 11, second installation groove; 12, connecting ear; 13, heat dissipation hole; 14, first insulating sleeve; 15, second insulating sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] In the description of the present utility model, it should be noted that terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0029] Figure 1 is the top view of the busbar device for the power distribution cabinet in the present utility model; Figure 2 is the three-dimensional view of the busbar device for the power distribution cabinet in the present utility model; Figure 3 is the internal schematic view of the busbar device for the power distribution cabinet in the present utility model; Figure 4 is the structural schematic view of the base in the present utility model;

[0030] Figure 5 is the exploded schematic view of the first lead-out electric sheet and the first fixing sleeve in the present utility model; Figure 6 is the exploded schematic view of the second lead-out electric sheet and the second fixing sleeve in the present utility model; Figure 7 is the structural schematic view of the conductive bar body in the present utility model. Please refer to Figures 1 to 7As shown, a preferred embodiment is shown, which is a busbar device for a power distribution cabinet, including a base 1, a top cover 2, a conductive bar body 3, a first lead-out electrical sheet 4, a second lead-out electrical sheet 5, an incoming electrical sheet 6, a first fixing sleeve 7 and a second fixing sleeve 8. A top cover 2 is provided at the upper end of the base 1. A plurality of fixing grooves 9 are formed in the upper surface of the base 1 along a first direction, and a plurality of first mounting grooves 10 and a plurality of second mounting grooves 11 are formed in the upper surface of the base 1 along a second direction. The conductive bar body 3 is provided in the fixing groove 9. Each incoming electrical sheet 6 is connected to a corresponding conductive bar body 3. The first lead-out electrical sheet 4 is provided in the first mounting groove 10, and a plurality of first lead-out electrical sheets 4 are located in the same horizontal plane. A plurality of second lead-out electrical sheets 5 are respectively provided in each second mounting groove 11, and the plurality of second lead-out electrical sheets 5 in each second mounting groove 11 are in horizontal planes at different heights; in this embodiment, refer to Figure 2 As shown, the top cover 2 is installed on the upper end of the base 1 by screws. At least two conductive bar bodies 3 are provided on the base 1. In this embodiment, three are provided, and three second lead-out electrical sheets 5 are also provided in each second mounting groove 11. Among them, the first lead-out electrical sheet 4, the second lead-out electrical sheet 5 and the incoming electrical sheet 6 are electrically connected to the lead-out electrical sheet. When in use, the first lead-out electrical sheet 4 and the second lead-out electrical sheet 5 are electrically connected to external power distribution equipment, and the incoming electrical sheet 6 is connected to the external main power supply, so as to supply power to the external power distribution equipment.

[0031] Among them, a color coating can be applied to the ends of the first lead-out electrical sheet 4 and the second lead-out electrical sheet 5 that extend out of the base 1, and the color coatings on the first lead-out electrical sheet 4 and the second lead-out electrical sheet 5 connected to the same conductive bar body 3 are the same, and the colors between the first lead-out electrical sheet 4 and the second lead-out electrical sheet 5 connected to different conductive bar bodies 3 are different, which is convenient for distinction.

[0032] One end of the first lead-out electrical sheet 4 and one end of each second lead-out electrical sheet 5 are respectively connected to the corresponding conductive bar body 3. The other end of each first lead-out electrical sheet 4 extends out of the first mounting groove 10, and the other end of each second lead-out electrical sheet 5 extends out of the second mounting groove 11. A first fixing sleeve 7 is respectively sleeved on each first lead-out electrical sheet 4, and a second fixing sleeve 8 is respectively sleeved on each second lead-out electrical sheet 5. Refer to Figure 2 As shown, the other ends of the first lead-out electrical sheet 4 and the second lead-out electrical sheet 5 are both located outside the base 1, which is convenient for connection with external power distribution equipment, and one end of the incoming electrical sheet 6 is connected to the conductive bar body 3, and the other end extends out of the base 1 for connection with the external main power supply.

[0033] Among them, each lead-in electric sheet 6 is respectively connected to a conductive bar body 3. An insulating gasket is provided between the lead-in electric sheet 6 and the non-connected conductive bar body 3. Each first lead-out electric sheet 4 and each second lead-out electric sheet 5 are respectively connected to a conductive bar body 3. An insulating gasket is provided between the first lead-out electric sheet 4 and the second lead-out electric sheet 5 and the non-connected conductive bar body 3.

[0034] Furthermore, as a preferred embodiment, the depth of the fixing groove 9 is greater than the depth of the first installation groove 10, the depth of the second installation groove 11 is greater than the depth of the fixing groove 9, and the second installation groove 11 communicates with a plurality of fixing grooves 9. Refer to Figure 3 and Figure 4 As shown, the fixing groove 9 is arranged along the length direction of the base 1, the first installation groove 10 and the second installation groove 11 are arranged along the width direction of the base 1. The position of the upper surface of the conductive bar body 3 is lower than the position of the upper surface of the fixing groove 9. The position of the upper surface of the first lead-out electric sheet 4 is on the same plane as the upper surface of the base 1. A groove is provided on the top cover 2 opposite to the first lead-out electric sheet 4, and a part of the first fixing sleeve 7 enters the groove.

[0035] Refer to Figure 2 As shown, the first fixing sleeve 7 is arranged in the first installation groove 10, and one side surface of the first fixing sleeve 7 is flush with one side surface of the base 1. The second fixing sleeve 8 is installed in the second installation groove 11, and one side surface of the second fixing sleeve 8 is flush with one side surface of the base 1. Through the arrangement of the first fixing sleeve 7 and the second fixing sleeve 8, the positions of the first lead-out electric sheet 4 and the second lead-out electric sheet 5 can be fixed, which is convenient for improving the stability after the installation of the first lead-out electric sheet 4 and the second lead-out electric sheet 5.

[0036] Furthermore, as a preferred embodiment, each conductive bar body 3 includes a plurality of first connection pieces 301 and a plurality of second connection pieces 302. Adjacent two first connection pieces 301 are respectively connected by a second connection piece 302, and the second connection piece 302 is arranged in a shape. Refer to Figure 4 and Figure 7 As shown, the depth of the second installation groove 11 is greater than the depth of the fixing groove 9. The first connection piece 301 is located in the fixing groove 9, the second connection piece 302 is located in the second installation groove 11, and the conductive bar body 3 can be installed in the fixing groove 9 and the corresponding second installation groove 11 by an adhesive method.

[0037] Furthermore, as a preferred embodiment, first connection holes are respectively provided on the first connection piece 301 and the second connection piece 302.

[0038] Further, as a preferred embodiment, each first lead electrical sheet 4 includes a first connection portion 401 and a second connection portion 402. One end of the first connection portion 401 is connected to the second connection portion 402. The second connection portion 402 is arranged in an "L" shape. A second connection hole is formed in the first connection portion 401, and the first connection portion 401 is connected to the corresponding first connection piece 301. The first connection portion 401 and the first connection piece 301 can be connected by a first bolt, and the first bolt passes through the first connection hole and the second connection hole. Wherein, the second connection portion 402 extends out of the first installation groove 10, and a hole for electrically connecting to an external power distribution device is formed in the part where the second connection portion 402 extends out of the first installation groove 10.

[0039] See Figure 5 , a first insulating sleeve 14 is provided inside the first fixing sleeve 7. The first lead electrical sheet 4 passes through the first insulating sleeve 14. Through the arrangement of the first insulating sleeve 14, it is convenient to achieve an insulating effect and prevent electric leakage. And an insulating gasket can be provided between the second connection portion 402 and the unconnected conductive bar body 3.

[0040] Further, as a preferred embodiment, each second lead electrical sheet 5 includes an integrally formed third connection portion 501 and a fourth connection portion 502. The fourth connection portion 502 is arranged in an "L" shape. A third connection hole is formed in the third connection portion 501, and the third connection portion 501 is connected to the second connection piece 302. See Figure 3 and Figure 6 As shown in

[0041] See Figure 6 As shown in

[0042] Further, as a preferred embodiment, it further includes a connection ear 12, and the connection ear 12 is provided on the side wall of the base 1. The provided connection ear 12 is convenient for cooperating with a bolt to connect and fix the busbar device to an external structure.

[0043] Further, as a preferred embodiment, a plurality of heat dissipation holes 13 are formed in the top cover 2, which is convenient for heat dissipation inside the busbar device.

[0044] The above are only the preferred embodiments of the present utility model, and do not limit the implementation manners and protection scope of the present utility model thereby. For those skilled in the art, it should be realized that all the solutions obtained by equivalent replacements and obvious changes made by using the specification and illustrated content of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A busbar device for a power distribution cabinet, characterized in that: The invention comprises a base, a top cover, a conductive bar body, a first lead-out electric sheet, a second lead-out electric sheet, an introduction electric sheet, a first fixing sleeve and a second fixing sleeve, wherein the top cover is provided at the upper end of the base, a plurality of fixing grooves are provided on the upper surface of the base along the first direction, a plurality of first mounting grooves and a plurality of second mounting grooves are provided on the upper surface of the base along the second direction, the conductive bar body is provided in the fixing groove, each of the introduction electric sheet is connected to a corresponding conductive bar body, the first installation groove is provided with the first lead-out electric sheet, and a plurality of the first lead-out electric sheets are located in the same horizontal plane, a plurality of the second lead-out electric sheets are respectively provided in each of the second installation grooves, and a plurality of the second lead-out electric sheets in each of the second installation grooves are located in horizontal planes of different heights; One end of the first lead-out electrical sheet and one end of each of the second lead-out electrical sheets are respectively connected to the corresponding conductive bar body, the other end of each of the first lead-out electrical sheets extends out of the first mounting slot, the other end of each of the second lead-out electrical sheets extends out of the second mounting slot, each of the first lead-out electrical sheets is respectively sleeved with a first fixing sleeve, and each of the second lead-out electrical sheets is respectively sleeved with a second fixing sleeve.

2. The busbar device for a power distribution cabinet according to claim 1, characterized in that: The depth of the fixing groove is greater than the depth of the first installation groove, the depth of the second installation groove is greater than the depth of the fixing groove, and the second installation groove is connected to a plurality of the fixing grooves.

3. The busbar device for a power distribution cabinet according to claim 1, characterized in that: Each of the conductive bar bodies includes a plurality of first connecting plates and a plurality of second connecting plates, and two adjacent first connecting plates are connected by a second connecting plate respectively. Type settings.

4. The busbar device for a power distribution cabinet according to claim 3, characterized in that: The first connecting piece and the second connecting piece are respectively provided with a first connecting hole.

5. The busbar device for a power distribution cabinet according to claim 3, characterized in that: Each of the first lead-out electrical sheets includes a first connecting portion and a second connecting portion, one end of the first connecting portion is connected to the second connecting portion, the second connecting portion is arranged in an "L" shape, a second connecting hole is opened on the first connecting portion, and the first connecting portion is connected to the corresponding first connecting sheet.

6. The busbar device for a power distribution cabinet according to claim 3, characterized in that: Each of the second lead-out electrical sheets includes an integrally formed third connection portion and a fourth connection portion, the fourth connection portion is arranged in an "L" shape, a third connection hole is opened on the third connection portion, and the third connection portion is connected to the second connection sheet.

7. The busbar device for a power distribution cabinet according to claim 1, characterized in that: It also includes connecting ears, which are arranged on the side walls of the base.

8. The busbar device for a power distribution cabinet according to claim 1, characterized in that: The top cover is provided with a plurality of heat dissipation holes.

Citation Information

Patent Citations

  • Safe bus apparatus

    CN202111374U