Looped netowrk cabinet with insulation protection structure

Abstract

The utility model relates to the technical field of insulation protection, concretely to a ring main unit with insulation protection structure, including control room, gas tank, cable chamber, sealing device and inflation device, the lower fixedly connected with gas tank of control room, the rear end face fixedly connected with cable chamber of gas tank, the front side connection of gas tank is provided with sealing device, and the front side of sealing device is provided with inflation device, the utility model provides a kind of ring main unit with insulation protection structure mainly is through sealing ring is nested on sealing device, then the multiple groups of fixed clamping block being set in the side of sealing device and the fixed slot on gas tank are adapted and are connected, fixed by fixed bolt, realize the effect of increasing its sealing property and detachable overhaul, nitrogen is input to the inner chamber of gas tank by sealing inflation port, realize the effect of increasing its insulation protection structure, improve the heat dissipation capacity;Secondly, through the adaptation of T-shaped block and T-shaped slot, the effect of adjacent gas tank assembly is realized.

Description

Technical Field

[0001] This utility model relates to the field of insulation protection, specifically a ring main unit with an insulation protection structure. Background Technology

[0002] The existing Chinese patent document with publication number CN207530332U discloses an insulated ring main unit, including a cabinet body. The cabinet body includes a side plate, a first back plate, and a second back plate. The side plate has a connection hole, and the second back plate has an indented groove. The connection hole passes through the side wall of the indented groove and the side plate in sequence. A connection component is inserted through the connection hole. The connection component includes a double-ended screw and a fastening nut. An iron washer and a sealing gasket are sleeved on the double-ended screw. A sealing ring is provided on the side of the side plate near the indented groove. At least two sets of sealing rings are fixedly embedded in the sealing ring. The sealing ring and the side plate are detachably fixed.

[0003] The above scheme does not take insulation protection into account in a comprehensive way. Insulated ring main units are equipment suitable for power distribution devices. Placing each power distribution device in an insulated ring main unit has two problems. First, the above scheme only uses a back plate for insulation. Second, the power distribution components will generate heat during use, which reduces their safety and reduces their working efficiency.

[0004] Therefore, this utility model proposes a sound insulation and noise reduction device for pump stations to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a ring main unit with an insulating protection structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A ring main unit with an insulating protection structure mainly includes a control room, an air box, a cable compartment, a sealing device, and an inflation device; the air box is fixedly connected to the lower part of the control room; A cable chamber is fixedly connected to the rear end face of the air box, a sealing device is connected to the front side of the air box, and an inflation device is provided in front of the sealing device. Preferably, a T-shaped locking block is provided on the right side of the air box, and a sliding groove is provided on the outer side of the T-shaped locking block, and multiple sets of sliding balls are provided in the inner cavity of the sliding groove.

[0007] Preferably, a T-shaped slot is provided on the left side of the air box, and the T-shaped block is adapted to and engaged with the T-shaped slot; the front end face of the air box is designed with four sets of fixing slots.

[0008] Preferably, the sealing device is provided with four sets of fixing blocks on its side, and the fixing blocks are adapted to and engaged with the fixing grooves; a fixing bolt is provided at the center point of the fixing blocks.

[0009] Preferably, the sealing device has a limiting protrusion on its side, a sealing ring is sleeved on the side of the sealing device, and a limiting groove is provided on the inner ring of the sealing ring; the limiting groove is adapted to engage with the limiting protrusion.

[0010] Preferably, the inner cavity of the inflation device is provided with multiple sets of sealed inflation ports at equal intervals, and the sealed inflation ports are disposed through the sealing device.

[0011] Preferably, the length of the T-shaped card block is the same as the length of the right end face of the air box, and the length of the T-shaped card block is the same as the length of the T-shaped card slot.

[0012] Preferably, the fixing bolt is disposed through the fixing block and the fixing groove.

[0013] Preferably, the outer side of the sealing ring is tightly fitted to the inner wall of the gas box.

[0014] Compared with the prior art, the beneficial effects of this utility model are: The ring main unit with an insulating protective structure proposed in this utility model mainly achieves its sealing performance and allows for disassembly and maintenance by fitting a sealing ring onto a sealing device, then fitting multiple sets of fixing blocks on the side of the sealing device into the fixing grooves on the gas box, and finally fixing them with fixing bolts. Nitrogen gas is introduced into the inner cavity of the gas box through the sealed gas inlet, thereby increasing its insulating protective structure and improving its heat dissipation capacity. Secondly, the T-shaped blocks and T-shaped slots are fitted together to achieve the assembly of adjacent gas boxes. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structural connection of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model from another perspective; Figure 3 This is a schematic diagram of the connection structure of the sealing device of this utility model; Figure 4 for Figure 3 Enlarged structural diagram at point A; Figure 5 for Figure 3 Enlarged schematic diagram of the structure at point B.

[0016] In the diagram: Control room 1, air box 2, T-shaped block 201, sliding groove 202, sliding ball 203, T-shaped slot 204, fixing groove 205, cable room 3, sealing device 4, fixing block 401, fixing bolt 402, limiting protrusion 403, sealing ring 404, limiting slot 405, inflation device 5, sealing inflation port 501. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit 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.

[0018] The present invention provides the following embodiments: Example 1, please refer to Figures 1-2 A ring main unit with an insulating protective structure includes a control room 1, an air box 2, a cable room 3, a sealing device 4, and an air filling device 5; the air box 2 is fixedly connected to the bottom of the control room 1. A cable chamber 3 is fixedly connected to the rear end face of the air box 2, and a sealing device 4 is connected to the front side of the air box 2. An inflation device 5 is provided on the front side of the sealing device 4. Multiple sets of sealed inflation ports 501 are equidistantly arranged in the inner cavity of the inflation device 5, and the sealed inflation ports 501 are provided through the sealing device 4.

[0019] In actual use, after placing various components in the inner cavity of the gas box 2, the sealing device 4 is fixed at the opening of the gas box 2 to seal it. Then, nitrogen gas is introduced into the inner cavity of the gas box 2 through the sealed inflation port 501 set in the inflation device 5 to increase its insulation.

[0020] Example 2, based on Example 1, please refer to... Figures 3-4 A T-shaped locking block 201 is provided on the right side of the air box 2. A sliding groove 202 is provided on the outer side of the T-shaped locking block 201. Multiple sets of sliding balls 203 are provided in the inner cavity of the sliding groove 202.

[0021] A T-shaped slot 204 is provided on the left side of the air box 2, and a T-shaped block 201 is adapted to and engaged with the T-shaped slot 204; the length of the T-shaped block 201 is the same as the length of the right end face of the air box 2, and the length of the T-shaped block 201 is the same as the length of the T-shaped slot 204.

[0022] In actual use, the T-shaped locking block 201 on one air box 2 is engaged with the T-shaped locking groove 204 on another air box 2. The sliding ball 203 in the sliding groove 202 on the T-shaped locking block 201 reduces the friction during the engagement process.

[0023] Example 3, based on Example 2, please refer to... Figure 5The front end face of the air box 2 is designed with four sets of fixing grooves 205. The side of the sealing device 4 is provided with four sets of fixing blocks 401, which are adapted to and engaged with the fixing grooves 205; a fixing bolt 402 is provided at the center point of the fixing block 401; a limiting protrusion 403 is provided on the side of the sealing device 4, and a sealing ring 404 is fitted on the side of the sealing device 4; the outer side of the sealing ring 404 is tightly fitted to the inner wall of the air box 2.

[0024] The inner ring of the sealing ring 404 is provided with a limiting groove 405; the limiting groove 405 is adapted to and engaged with the limiting protrusion 403; the fixing bolt 402 is provided through the fixing block 401 and the fixing groove 205; In actual use, firstly, the limiting groove 405 on the sealing ring 404 is matched and engaged with the limiting protrusion 403. The sealing ring 404 is elastic, so that the sealing ring 404 fits tightly against the inner wall of the gas box 2, increasing its sealing performance. Then, the fixing block 401 is matched and engaged with the fixing groove 205. Finally, the two are tightly fixed by the fixing bolt 402. At this time, the front end face of the sealing device 4 and the front end face of the gas box 2 are on the same plane. Finally, nitrogen is introduced through the sealed inflation port 501 in the inflation device 5. Nitrogen has good insulation and thermal conductivity.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ring main unit with an insulating protective structure, comprising a control room (1), an air box (2), a cable compartment (3), a sealing device (4), and an air filling device (5); the air box (2) is fixedly connected to the lower part of the control room (1); Its features are: The rear end face of the air box (2) is fixedly connected to the cable chamber (3), and the front side of the air box (2) is connected to the sealing device (4). The front side of the sealing device (4) is provided with an inflation device (5). The side of the sealing device (4) is provided with four sets of fixing blocks (401), and the fixing blocks (401) are adapted to and engaged with the fixing groove (205). The center point of the fixing blocks (401) is provided with a fixing bolt (402). The side of the sealing device (4) is provided with a limiting protrusion (403), and the side of the sealing device (4) is fitted with a sealing ring (404). The inner ring of the sealing ring (404) is provided with a limiting groove (405). The limiting groove (405) is adapted to and engaged with the limiting protrusion (403).

2. A ring main unit with an insulating protection structure according to claim 1, characterized in that: A T-shaped locking block (201) is provided on the right side of the air box (2). A sliding groove (202) is provided on the outer side of the T-shaped locking block (201). Multiple sets of sliding balls (203) are provided in the inner cavity of the sliding groove (202).

3. A ring main unit with an insulating protection structure according to claim 2, characterized in that: The air box (2) is provided with a T-shaped slot (204) on the left side, and the T-shaped block (201) is adapted to be engaged with the T-shaped slot (204); the front end face of the air box (2) is designed with four sets of fixing slots (205).

4. A ring main unit with an insulating protection structure according to claim 1, characterized in that: The inner cavity of the inflation device (5) is provided with multiple sets of sealed inflation ports (501) at equal intervals, and the sealed inflation ports (501) are provided through the sealing device (4).

5. A ring main unit with an insulating protection structure according to claim 2, characterized in that: The length of the T-shaped card block (201) is the same as the length of the right end face of the air box (2), and the length of the T-shaped card block (201) is the same as the length of the T-shaped card slot (204).

6. A ring main unit with an insulating protection structure according to claim 1, characterized in that: The fixing bolt (402) is disposed through the fixing block (401) and the fixing groove (205).

7. A ring main unit with an insulating protection structure according to claim 1, characterized in that: The outer side of the sealing ring (404) is tightly fitted to the inner wall of the air box (2).

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