Environment-friendly air insulation ring main unit convenient for integral installation of internal circuit

Abstract

The utility model relates to an environment-friendly air-insulated ring main unit convenient for integral installation of internal lines, which comprises a box body, the box body comprises a first installation chamber, a second installation chamber, a third installation chamber, a bus chamber and an instrument panel chamber, the instrument panel chamber is provided with a plurality of groups of terminal supports, the terminal supports are provided with a plurality of through grooves, and a plurality of lines pass through the through grooves. A relay screen board is arranged on the instrument panel chamber, the intelligent control screen is installed on the relay screen board, and a circuit penetrates through the through groove and then is connected to the relay screen board. The utility model has the effect of facilitating the overall installation of the internal circuit.

Description

Technical Field

[0001] This application relates to the field of ring main unit technology, and in particular, to an environment-friendly air-insulated ring main unit that facilitates the overall installation of internal circuits. Background Art

[0002] A switchgear is a device used to control and protect electrical equipment and is widely used in industries, buildings, transportation, etc. It integrates and distributes functions such as electrical signals, power sources, and power transmission to achieve the control and management of the electrical system, playing a role of safety, reliability, and high efficiency. The gas filled in the ring main unit is air, enabling the switchgear to have the advantages of insulation and environmental friendliness.

[0003] The ring main unit is a type of switchgear. In common ring main units, due to excessive internal circuits without orderly distinction and restraint, the internal circuits are messy, making it inconvenient to distinguish the components corresponding to each circuit. When a fault occurs, the repair time is too long, affecting the project progress. Utility Model Content

[0004] In order to facilitate the overall installation of internal circuits, this application provides an environment-friendly air-insulated ring main unit that facilitates the overall installation of internal circuits.

[0005] An environment-friendly air-insulated ring main unit that facilitates the overall installation of internal circuits provided by this application adopts the following technical solutions:

[0006] An environment-friendly air-insulated ring main unit that facilitates the overall installation of internal circuits includes a box body, characterized in that: the box body includes a first installation chamber, a second installation chamber, a third installation chamber, a busbar chamber, and a dashboard chamber. A number of groups of terminal brackets are provided on the dashboard chamber, and a number of through slots are opened on the terminal brackets for a number of circuits to pass through. A relay panel is provided on the dashboard chamber for installing an intelligent control panel, and the circuits are connected to the relay panel after passing through the through slots.

[0007] By adopting the above technical solutions, the through slots on the terminal brackets distinguish the circuits, and the circuits are constrained in each through slot according to their functions. Then, the circuits are connected to the intelligent control panel through the relay panel, facilitating the overall installation of internal circuits.

[0008] Optionally, a grounding switch mounting plate is provided on the side wall of the box body. The grounding switch mounting plate is located between the first installation chamber and the second installation chamber. A grounding hole for the line to pass through to the second installation chamber is provided on the grounding switch mounting plate. A middle partition plate is provided between the second installation chamber and the third installation chamber. A through hole for the line in the second installation chamber to pass through is provided on the middle partition plate. The through hole communicates the second installation chamber and the third installation chamber. An installation plate is provided on the box body. A number of first installation holes and a number of second installation holes are provided on the installation plate. The number of first installation holes communicates the third installation chamber and the bus chamber. The second installation holes communicate the first installation chamber and the third installation chamber. A bushing mounting plate is provided on the bus chamber. A bushing hole is provided on the bushing mounting plate. The bushing hole is for connecting an external line. An instrument box bottom plate is provided on the third installation chamber. A connection hole is provided on the instrument box bottom plate. The connection hole communicates the third installation chamber and the instrument panel chamber. After the lines are aggregated, they pass through the connection hole.

[0009] By adopting the above technical solution, holes are provided on the first installation chamber, the second installation chamber, the third installation chamber, the bus chamber and the instrument panel chamber, so that the lines are connected to other chambers, and at the same time, it is convenient to restrict the lines to pass through the holes in each chamber.

[0010] Optionally, a bent plate is provided on the instrument panel chamber. The bent plate is rotatably connected to the relay panel through a rotating member. The axial direction of the rotating member is vertical.

[0011] By adopting the above technical solution, the rotating member provided on the bent plate enables the relay panel to rotate in the instrument panel chamber, which is convenient for the line to be better connected to the connection hole on the instrument box bottom plate located on the back of the relay flat plate, and is convenient for the line to be finally connected to the intelligent control panel.

[0012] Optionally, the rotating member is a hinge.

[0013] By adopting the above technical solution, the hinge facilitates the installation of the relay panel on the bent plate, is convenient for assembly, and improves the installation efficiency.

[0014] Optionally, a support plate is provided on the side wall of the instrument panel chamber. One end of the support plate away from the side wall of the instrument panel chamber is threadedly fixed to the relay panel.

[0015] By adopting the above technical solution, the support plate enables the relay panel to be better fixed in the instrument chamber. When the relay panel needs to be rotated, the connection between the support plate and the relay flat plate is released.

[0016] Optionally, a protection hole is provided on the box body. Protection covers are respectively provided in parallel on the first installation chamber and the second installation chamber. The line passes between the protection cover and the inner wall of the box body and passes through the protection hole.

[0017] By adopting the above technical solution, the protective cover plate is arranged parallel to the inner walls of the first installation chamber and the second installation chamber, so that the lines are closely attached to the inner walls of the first installation chamber and the second installation chamber, facilitating the routing of the lines. Moreover, the protective cover plate protects the lines from being easily damaged and at the same time facilitates the distinction of the lines.

[0018] Optionally, a plurality of current transformer mounting plates for mounting current transformers are provided on the first installation chamber.

[0019] By adopting the above technical solution, the arrangement of the current transformer mounting plates facilitates the installation of the current transformers and positions the current transformers.

[0020] Optionally, a box opening is provided at the partition between the first installation chamber and the third installation chamber of the box body. The middle partition is located at the bottom of the third chamber. Guide rails are provided at both ends of the middle partition. The guide rails are horizontally arranged on the inner wall of the box body. The middle partition is slidably connected in the guide rails. The sliding direction of the middle partition is away from or towards the box opening.

[0021] By adopting the above technical solution, when the cabinet door is opened, the middle partition can slide towards the box opening due to the guide rails. There are wiring components on the middle partition, and the wiring components slide out of the box opening for wiring, making the wiring convenient.

[0022] Optionally, a cable sealing plate is provided at the bottom of the first installation chamber. A cable hole is provided on the cable sealing plate, and the cable passes through the cable hole and is connected to the inside of the first installation chamber.

[0023] By adopting the above technical solution, the cable passes through the cable hole, which facilitates the overall routing and distribution of the cable lines.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The terminal bracket distinguishes the lines in each chamber, so that the lines are respectively constrained in a number of through slots according to different functions, facilitating the orderly connection of the lines to the intelligent control panel after passing through the wiring holes and facilitating the overall installation of the internal lines;

[0026] 2. The rotation facilitates the rotation of the relay panel, making it more convenient for the operator to install the lines;

[0027] 3. The guide rails enable the middle partition to slide towards the box opening, making the wiring convenient and improving the assembly efficiency of the ring main unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is the overall schematic diagram of the environment-friendly air-insulated ring main unit facilitating the overall installation of internal lines in the embodiment.

[0029] Figure 2 is the partial structural schematic diagram of the embodiment Figure 1, mainly showing the first installation chamber, the second installation chamber, the third installation chamber, the fourth installation chamber and the instrument panel chamber.

[0030] Figure 3 It is a schematic diagram of the partial structure of the embodiment Figure 2 , mainly showing the second installation chamber, the third installation chamber and the instrument panel chamber.

[0031] Explanation of reference numerals: 1, box body; 11, first installation chamber; 12, second installation chamber; 13, third installation chamber; 14, busbar chamber; 15, instrument panel chamber; 21, terminal bracket; 22, through slot; 23, relay panel; 24, earthing switch mounting plate; 25, middle partition board; 26, mounting plate; 27, bushing mounting plate; 28, instrument box bottom plate; 31, earthing hole; 32, through hole; 33, first mounting hole; 34, second mounting hole; 35, bushing hole; 36, connection hole; 41, bent plate; 42, support plate; 43, protection hole; 44, protection cover plate; 45, current transformer mounting plate; 46, box opening; 47, cable sealing plate; 48, cable hole; 5, rotating part; 51, hinge; 6, guide rail. Detailed implementation manners

[0032] The following further describes the present application in detail with reference to the drawings and embodiments.

[0033] An embodiment of the present application discloses an environment-friendly air-insulated ring main unit convenient for overall installation of internal circuits. Refer to Figure 1 , Figure 2 , the environment-friendly air-insulated ring main unit convenient for overall installation of internal circuits includes a box body 1, and the box body 1 includes a first installation chamber 11, a second installation chamber 12, a third installation chamber 13, a busbar chamber 14 and an instrument panel chamber 15. A plurality of current transformer mounting plates 45 for installing current transformers are fixed on the first installation chamber 11, and the current transformers are installed on the current transformer mounting plates 45. A cable sealing plate 47 is fixed at the bottom of the first installation chamber 11, and a cable hole 48 is opened on the cable sealing plate 47, and the cable passes through the cable hole 48 and is connected to the inside of the first installation chamber 11.

[0034] Refer to Figure 2 , Figure 3 , an earthing switch mounting plate 24 is fixed on the side wall of the box body 1, the earthing switch mounting plate 24 is located between the first installation chamber 11 and the second installation chamber 12, and an earthing hole 31 for the line to pass through to the second installation chamber 12 is opened on the earthing switch mounting plate 24, and the earthing hole 31 allows the line in the first installation chamber 11 to pass through.

[0035] Refer to Figure 2 , Figure 3, a protective hole 43 is provided on the box body 1, and protective covers 44 are respectively and fixedly arranged in parallel on the first installation chamber 11 and the second installation chamber 12. The circuit passes between the protective cover 44 and the inner wall of the box body 1 and passes through the protective hole 43. A middle partition 25 is fixed between the second installation chamber 12 and the third installation chamber 13. A through hole 32 for the circuit of the second installation chamber 12 to pass through is provided on the middle partition 25, and the through hole 32 communicates the second installation chamber 12 and the third installation chamber 13.

[0036] Refer to Figure 2 , Figure 3 , a box opening 46 is provided at the partition of the box body 1 facing the first installation chamber 11 and the third installation chamber 13. A cabinet door is rotatably connected at the box opening 46. The middle partition 25 is located at the bottom of the third chamber. Guide rails 6 are fixed at both ends of the middle partition 25. The guide rails 6 are horizontally fixed on the inner wall of the box body 1. The middle partition 25 is slidably connected in the guide rails 6, and the sliding direction of the middle partition 25 is away from or close to the box opening 46 direction

[0037] Refer to Figure 2 , Figure 3 , an installation plate 26 is fixed on the box body 1. A plurality of first installation holes 33 and a plurality of second installation holes 34 are provided on the installation plate 26. The plurality of first installation holes 33 communicate the third installation chamber 13 and the bus chamber 14. A bushing installation plate 27 is fixed on the bus chamber 14. A bushing hole 35 is provided on the bushing installation plate 27 for external circuit connection. The plurality of first installation holes 33 allow the circuit in the bus chamber 14 to pass through. The plurality of second installation holes 34 communicate the first installation chamber 11 and the third installation chamber 13. The plurality of second installation holes 34 allow the circuit in the first installation chamber 11 to pass through. An instrument box bottom plate 28 is fixed on the third installation chamber 13. A connection hole 36 is provided on the instrument box bottom plate 28. The connection hole 36 communicates the third installation chamber 13 and the instrument panel chamber 15. After the circuits are aggregated, they pass through the connection hole 36.

[0038] Refer to Figure 2 , Figure 3 , a plurality of groups of terminal brackets 21 are fixed on the instrument panel chamber 15. A plurality of through grooves 22 are provided on the terminal brackets 21 for a plurality of circuits to pass through. A relay panel 23 is fixed on the instrument panel chamber 15. A bent plate 41 is fixed on the instrument panel chamber 15. The bent plate 41 is rotatably connected to the relay panel 23 through a rotating member 5. The axis direction of the rotating member 5 is vertical, and the rotating member 5 is a hinge 51. A support plate 42 is fixed on the side wall of the instrument panel chamber 15. The relay panel 23 is threadedly fixed at one end of the support plate 42 away from the side wall of the instrument panel chamber 15. The relay panel 23 is for installing an intelligent control panel. A plurality of wiring holes are provided on the relay panel 23. After the circuit passes through the through groove 22 and the wiring hole, the circuit is connected to the intelligent control panel.

[0039] The implementation principle of an environment-friendly air-insulated ring main unit facilitating the overall installation of internal circuits in an embodiment of this application is as follows: The first installation chamber 11, the second installation chamber 12, the third installation chamber 13, and the busbar chamber 14 constrain the circuits in the chamber and converge them to the instrument panel chamber 15 through respective holes. A number of through slots 22 on the terminal bracket 21 separate the circuits, enabling the circuits to pass through the wiring holes on the relay panel 23 in an orderly manner and finally connecting to the intelligent control panel, facilitating the overall installation of the internal circuits.

[0040] The above are all preferred embodiments of this application. The protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. An environmentally friendly air-insulated ring main unit that is convenient for the overall installation of internal lines, comprising a box body (1), characterized in that: The box body (1) comprises a first installation chamber (11), a second installation chamber (12), a third installation chamber (13), a busbar chamber (14) and an instrument panel chamber (15); the instrument panel chamber (15) is provided with a plurality of terminal brackets (21); the terminal brackets (21) are provided with a plurality of through slots (22); the through slots (22) are used for a plurality of lines to pass through; the instrument panel chamber (15) is provided with a relay panel (23); the relay panel (23) is used for installing an intelligent control panel; the lines are connected to the relay panel (23) after passing through the through slots (22).

2. The environmentally friendly air-insulated ring main unit that is convenient for the overall installation of internal lines according to claim 1 is characterized in that: The side wall of the housing (1) is provided with a grounding switch mounting plate (24), the grounding switch mounting plate (24) is located between the first mounting chamber (11) and the second mounting chamber (12), the grounding switch mounting plate (24) is provided with a grounding hole (31) for a line to pass through to the second mounting chamber (12), a middle partition (25) is provided between the second mounting chamber (12) and the third mounting chamber (13), the middle partition (25) is provided with a through hole (32) for a line of the second mounting chamber (12) to pass through, the through hole (32) connects the second mounting chamber (12) and the third mounting chamber (13), the housing (1) is provided with a mounting plate (26), the mounting plate (26) is provided with a plurality of first mounting holes (33 ) and a plurality of second mounting holes (34), the plurality of first mounting holes (33) being connected to the third mounting chamber (13) and the busbar chamber (14), the second mounting holes (34) being connected to the first mounting chamber (11) and the third mounting chamber (13), the busbar chamber (14) being provided with a busbar bushing mounting plate (27), the busbar bushing mounting plate (27) being provided with bushing holes (35), the bushing holes (35) being provided for external line connection, the third mounting chamber (13) being provided with an instrument box bottom plate (28), the instrument box bottom plate (28) being provided with a connecting hole (36), the connecting hole (36) being connected to the third mounting chamber (13) and the instrument panel chamber (15), the lines being aggregated and passing through the connecting hole (36).

3. The environmentally friendly air-insulated ring main unit that is convenient for the overall installation of internal lines according to claim 1 is characterized in that: The instrument panel chamber (15) is provided with a bent plate (41), and the bent plate (41) is rotatably connected to the relay screen (23) via a rotating member (5), and the axis direction of the rotating member (5) is vertical.

4. The environmentally friendly air-insulated ring main unit that is convenient for the overall installation of internal lines according to claim 3 is characterized in that: The rotating part (5) is a hinge (51).

5. The environmentally friendly air-insulated ring main unit that is convenient for the overall installation of internal lines according to claim 1 is characterized in that: The side wall of the instrument panel chamber (15) is provided with a support plate (42), and one end of the support plate (42) away from the side wall of the instrument panel chamber (15) is threadedly fixed with the relay screen plate (23).

6. The environmentally friendly air-insulated ring main unit that is convenient for the overall installation of internal lines according to claim 2 is characterized in that: The box body (1) is provided with a protective hole (43), and the first installation chamber (11) and the second installation chamber (12) are respectively provided with protective cover plates (44) in parallel, and the circuit passes between the protective cover plates (44) and the inner wall of the box body (1), and passes through the protective hole (43).

7. The environmentally friendly air-insulated ring main unit that is convenient for the overall installation of internal lines according to claim 2 is characterized in that: The first installation chamber (11) is provided with a plurality of sets of current transformer installation plates (45) for installing current transformers.

8. The environmentally friendly air-insulated ring main unit that is convenient for the overall installation of internal lines according to claim 2 is characterized in that: The box body (1) is provided with a box opening (46) at the partition facing the first installation chamber (11) and the third installation chamber (13); the middle partition (25) is located at the bottom of the third chamber; guide rails (6) are provided at both ends of the middle partition (25); the guide rails (6) are transversely arranged on the inner wall of the box body (1); the middle partition (25) is slidably connected in the guide rails (6); and the sliding direction of the middle partition (25) is away from or close to the box opening (46).

9. The environmentally friendly air-insulated ring main unit that is convenient for integral installation of internal lines according to claim 1 is characterized in that: A cable sealing plate (47) is provided at the bottom of the first installation chamber (11), and a cable hole (48) is opened on the cable sealing plate (47). The cable passes through the cable hole (48) and is connected to the first installation chamber (11).

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