A compact gas-insulated ring network switchgear

Abstract

The utility model relates to the field of ring network switch cabinet discloses a compact gas insulation ring network switch equipment, including high -voltage ring network cabinet main part, one side outer surface fixed connection of high -voltage ring network cabinet main part has incoming line cabinet, the downside fixed connection of incoming line cabinet has circuit breaker handcart cabinet, the downside outer surface fixed connection of circuit breaker handcart cabinet has cable cabinet, and the one side outer surface of circuit breaker handcart cabinet and cable cabinet is opened to have filter dust type heat dissipation observation window, when using this device, can pass through filter dust type heat dissipation observation window and replaceable dust filter board of this device setting, it is convenient to realize the double guarantee of equipment heat dissipation and dust prevention, wherein the outside frame of heat dissipation groove is firmly installed through fixed screw and fixed hole, and replaceable dust filter board is pulled along sliding groove flexibly with the help of sliding block, and filter screen effectively blocks dust from entering, and the replacement handle is convenient for regularly replacing filter plate, which guarantees the heat dissipation efficiency and avoids dust accumulation from affecting equipment operation.

Description

Technical Field

[0001] This utility model relates to the field of ring network switchgear, specifically a compact gas-insulated ring network switchgear. Background Technology

[0002] Traditional gas-insulated ring main units (RMUs) are key equipment in power distribution systems. Their underlying technology relies on the gradual maturation of high-voltage insulation, gas sealing, and electrical control technologies. Early RMUs were primarily air-insulated, resulting in large sizes and insulation performance susceptible to environmental influences. With the application of insulating gases such as sulfur hexafluoride (SF6) and the development of precision manufacturing technologies, they have gradually upgraded to gas-insulated structures. Optimizing cabinet sealing and component layout enhances insulation reliability and operational stability. Their core function is to achieve ring main power supply, line switching control, and fault protection for high-voltage electricity. They effectively isolate faulty lines, ensuring the normal operation of other parts of the power grid while reducing power transmission losses. They have a wide range of applications, including urban power distribution networks, industrial parks, and commercial complexes. As core equipment for terminal power distribution, they are also suitable for small substations in remote areas and power access systems for new energy power generation projects, meeting the needs of power distribution and control at different scales and supporting the safe and efficient operation of the power grid.

[0003] However, it still has some drawbacks. For example, traditional gas-insulated ring network switchgear has a conflict between heat dissipation and dust prevention design. It often adopts a simple grid-type heat dissipation structure without dedicated filter components. Dust can easily enter the equipment with the airflow and accumulate on the surface of electrical components, which not only reduces heat dissipation efficiency but also easily causes insulation failure. In addition, the heat dissipation structure is fixed, and cleaning and maintenance require disassembling the equipment, which is cumbersome.

[0004] To address the aforementioned issues, this application proposes a compact gas-insulated ring main switchgear. Summary of the Invention

[0005] The purpose of this invention is to provide a compact gas-insulated ring main unit to solve the problem of the conflict between heat dissipation and dust prevention design mentioned in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a compact gas-insulated ring main unit, including a high-voltage ring main unit body, an incoming line cabinet fixedly connected to one side of the outer surface of the high-voltage ring main unit body, a circuit breaker truck cabinet fixedly connected to the lower side of the incoming line cabinet, a cable cabinet fixedly connected to the lower outer surface of the circuit breaker truck cabinet, and a dust-filtering heat dissipation observation window opened on one side of the outer surface of the circuit breaker truck cabinet and the cable cabinet.

[0007] Preferably, an external panel is fixedly connected to one side of the outer surface of the incoming line cabinet, an emergency unlocking hole is fixedly connected to one side of the outer surface of the cable cabinet, and an anti-slip pad is fixedly connected to the lower outer surface of the main body of the high-voltage ring network cabinet.

[0008] Preferably, the dust-filtering heat dissipation observation window includes an outer frame of the heat dissipation groove, fixing holes, fixing screws, filter plate groove, replaceable dust filter plate, filter screen, replacement handle, sliding block and sliding groove.

[0009] Preferably, a fixing hole is provided on one side of the outer surface of the heat dissipation slot outer frame, and a fixing screw is movably connected to the outer surface of the inner wall of the fixing hole. One end of the fixing screw is movably connected to the outer surface of one side of the circuit breaker cabinet or cable cabinet.

[0010] Preferably, a filter plate groove is formed on the upper outer surface of the heat dissipation groove outer frame, and sliding grooves are formed on both outer surfaces of the inner wall of the filter plate groove. A replaceable dust filter plate is slidably connected to the inner wall of the filter plate groove.

[0011] Preferably, sliding blocks are fixedly connected to both outer surfaces of the replaceable dust filter plate, the outer surface of the outer wall of the sliding block is movably connected to the outer surface of the inner wall of the sliding groove, a filter screen is fixedly connected to one outer surface of the replaceable dust filter plate, and a replacement handle is fixedly connected to the upper outer surface of the replaceable dust filter plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This utility model, through the setting of a dust-filtering heat dissipation observation window and a replaceable dust filter plate, facilitates the dual protection of equipment heat dissipation and dust prevention. The external frame of the heat dissipation trough is securely installed with fixing screws and fixing holes. The replaceable dust filter plate can be flexibly pulled along the sliding groove with the help of a sliding block. The filter screen effectively blocks dust from entering. The replacement handle makes it convenient to replace the filter plate regularly, which not only ensures heat dissipation efficiency but also avoids dust accumulation affecting equipment operation.

[0013] This utility model, through the design of the high-voltage ring main unit and anti-slip pad, facilitates the optimization of equipment structure layout and placement stability. The incoming line cabinet, circuit breaker handcart cabinet and cable cabinet are connected in a compact layer, reducing the space occupied by the equipment. The anti-slip pad enhances the friction when the equipment is placed. The emergency unlocking hole can deal with emergencies. The external panel facilitates operation and maintenance, thus improving the overall safety and space adaptability of the equipment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a compact gas-insulated ring network switchgear according to the present invention; Figure 2 This is a schematic diagram of a compact gas-insulated ring network switchgear according to the present invention; Figure 3 This is a schematic diagram of the structure of a dust-filtering heat dissipation observation window for a compact gas-insulated ring network switchgear according to the present invention; Figure 4 This is a schematic diagram showing the disassembled structure of the dust-filtering heat dissipation observation window of a compact gas-insulated ring network switchgear according to this utility model.

[0015] In the diagram: 1. Main body of high-voltage ring main unit; 2. Incoming line cabinet; 3. Circuit breaker handcart cabinet; 4. Cable cabinet; 5. Dust-filtering heat dissipation observation window; 6. Emergency unlocking hole; 7. Anti-slip pad; 8. External panel; 9. External frame of heat dissipation trough; 10. Fixing holes; 11. Fixing screws; 12. Filter plate groove; 13. Replaceable dust filter plate; 14. Filter screen; 15. Replacement handle; 16. Sliding block; 17. Sliding groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Please see Figures 1-4 A compact gas-insulated ring main unit includes a high-voltage ring main unit 1. An incoming line cabinet 2 is fixedly connected to one outer surface of the high-voltage ring main unit 1. A circuit breaker truck cabinet 3 is fixedly connected to the lower side of the incoming line cabinet 2. A cable cabinet 4 is fixedly connected to the lower outer surface of the circuit breaker truck cabinet 3. A dust-filtering heat dissipation observation window 5 is provided on one outer surface of the circuit breaker truck cabinet 3 and the cable cabinet 4.

[0018] In this embodiment, as shown... Figures 1-2 As shown, an external panel 8 is fixedly connected to one side of the outer surface of the incoming line cabinet 2, an emergency unlocking hole 6 is fixedly connected to one side of the outer surface of the cable cabinet 4, an anti-slip pad 7 is fixedly connected to the lower outer surface of the high-voltage ring network cabinet body 1, and a dust-filtering heat dissipation observation window 5 includes a heat dissipation trough outer frame 9, a fixing hole 10, a fixing screw 11, a filter plate groove 12, a replaceable dust filter plate 13, a filter screen 14, a replacement handle 15, a sliding block 16, and a sliding groove 17. A fixing hole 10 is opened on one side of the outer surface of the heat dissipation trough outer frame 9, and a fixing screw 11 is movably connected to the outer surface of the inner wall of the fixing hole 10. One end of the fixing screw 11 is movably connected to the outer surface of one side of the circuit breaker handcart cabinet 3 or the cable cabinet 4.

[0019] In this embodiment, as shown... Figures 3-4As shown, a filter plate groove 12 is provided on the upper outer surface of the heat dissipation tank outer frame 9. Sliding grooves 17 are provided on the outer surfaces of both sides of the inner wall of the filter plate groove 12. A replaceable dust filter plate 13 is slidably connected to the inner wall of the filter plate groove 12. Sliding blocks 16 are fixedly connected to the outer surfaces of both sides of the replaceable dust filter plate 13. The outer surface of the outer wall of the sliding block 16 is movably connected to the outer surface of the inner wall of the sliding groove 17. A filter screen 14 is fixedly connected to one outer surface of the replaceable dust filter plate 13. A replacement handle 15 is fixedly connected to the upper outer surface of the replaceable dust filter plate 13.

[0020] Working Principle: A compact gas-insulated ring main unit switchgear, with the high-voltage ring main unit 1 as the core load-bearing structure. After the incoming line cabinet 2 is connected to the high-voltage power supply, the current is transmitted to the circuit breaker handcart cabinet 3 for on / off control. Finally, the cable cabinet 4 connects to the external cable to complete the power transmission and distribution. During equipment operation, the dust-filtering heat dissipation observation window 5 undertakes heat dissipation and dust prevention functions. The external frame 9 of the heat dissipation trough is fixed to the fixing holes 10 by fixing screws 11. The replaceable dust filter plate 13 is installed in the filter plate groove 12 along the sliding groove 17 with the help of the sliding block 16. The filter screen 14 on its surface blocks dust from entering, ensuring the heat dissipation efficiency of the internal components of the equipment. The replacement handle 15 facilitates the periodic pulling and replacement of the filter plate. The anti-slip pad 7 enhances the stability of the equipment placement. The external panel 8 provides the operation interface. The emergency unlocking hole 6 can realize emergency unlocking in case of equipment failure, ensuring the safe and stable operation of the equipment.

[0021] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

Claims

1. A compact gas-insulated ring main unit, comprising a high-voltage ring main unit (1), characterized in that: The high-voltage ring main unit (1) has an incoming line cabinet (2) fixedly connected to one side of its outer surface. The incoming line cabinet (2) has a circuit breaker truck cabinet (3) fixedly connected to its lower side. The circuit breaker truck cabinet (3) has a cable cabinet (4) fixedly connected to its lower outer surface. The circuit breaker truck cabinet (3) and the cable cabinet (4) have dust-filtering heat dissipation observation windows (5) on one side of their outer surfaces.

2. The compact gas-insulated ring main switchgear according to claim 1, characterized in that: An external panel (8) is fixedly connected to one side of the outer surface of the incoming line cabinet (2), an emergency unlocking hole (6) is fixedly connected to one side of the outer surface of the cable cabinet (4), and an anti-slip pad (7) is fixedly connected to the lower outer surface of the main body (1) of the high voltage ring network cabinet.

3. A compact gas-insulated ring main switchgear according to claim 2, characterized in that: The dust-filtering heat dissipation observation window (5) includes a heat dissipation groove outer frame (9), fixing holes (10), fixing screws (11), filter plate groove (12), replaceable dust filter plate (13), filter screen (14), replacement handle (15), sliding block (16) and sliding groove (17).

4. A compact gas-insulated ring main switchgear according to claim 3, characterized in that: A fixing hole (10) is provided on one side of the outer surface of the heat dissipation slot outer frame (9). A fixing screw (11) is movably connected to the outer surface of the inner wall of the fixing hole (10). One end of the fixing screw (11) is movably connected to the outer surface of one side of the circuit breaker cabinet (3) or cable cabinet (4).

5. A compact gas-insulated ring main switchgear according to claim 4, characterized in that: The outer surface of the heat dissipation slot outer frame (9) is provided with a filter plate groove (12), and the outer surfaces of both sides of the inner wall of the filter plate groove (12) are provided with sliding grooves (17). A replaceable dust filter plate (13) is slidably connected to the inner wall of the filter plate groove (12).

6. A compact gas-insulated ring main switchgear according to claim 5, characterized in that: The two outer surfaces of the replaceable dust filter plate (13) are fixedly connected to sliding blocks (16), the outer surface of the outer wall of the sliding block (16) is movably connected to the inner outer surface of the sliding groove (17), the outer surface of one side of the replaceable dust filter plate (13) is fixedly connected to a filter screen (14), and the outer surface of the upper side of the replaceable dust filter plate (13) is fixedly connected to a replacement handle (15).

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