CN115275825A - A kind of primary and secondary fusion standardized environmental protection gas power distribution equipment - Google Patents

Abstract

The invention relates to the technical field of ring network cabinets, and discloses a primary and secondary fusion standardized environmental protection gas power distribution equipment, including an air box, the bottom of the air box is evenly distributed with cable chambers, and one side outer wall of the air box is fixed The SF6 mechanism room is connected, and the top side of the SF6 mechanism room is provided with an instrument box, and the instrument box is electrically connected with a secondary aviation socket box, and the secondary aviation socket box is fixedly installed in the SF6 mechanism room The overall size of the device is the same as the size of the wooden pallet. The depth of the cabinet is only 420mm, which can be placed directly against the wall, which greatly reduces the construction cost of the switch room.

Description

A kind of primary and secondary fusion standardized environmental protection gas power distribution equipment

technical field

The invention relates to the technical field of ring network cabinets, and more specifically relates to a primary and secondary fusion standardized environment-friendly gas power distribution equipment.

Background technique

In accordance with the "1135" distribution network operation service management requirements, the State Grid Corporation has improved equipment selection standards, improved the quality control system, improved the durability of distribution network equipment, highlighted the core of good equipment, and based on safety, reliability, durability, unified standards, and universal The principle of interchange is to promote the standardization of power distribution equipment in an all-round way. In order to meet the universal interchange and use of equipment from different manufacturers in a certain range and for a certain period of time, improve the convenience of operation and maintenance of ring network cabinets (boxes), and promote the integration of primary and secondary integration, standardization and environmental protection For the high-quality development of gas power distribution equipment (boxes), State Grid Corporation organized China Electric Power Research Institute Co., Ltd., design institutes, operating units, manufacturing companies, testing institutions and other units to carry out typical structural schemes and primary interfaces of ring network cabinets (boxes). Standardized design work such as distribution automation terminals, etc., facilitates the direct replacement of other manufacturers’ equipment as a whole when a product fails during operation or a random inspection finds that a company’s product has quality problems. The internal structure of each manufacturer’s products can be differentiated. A kind of primary and secondary fusion standardized environmental protection gas power distribution equipment is developed under the above background.

At present, when the existing ring network cabinet device is used, its structure is relatively large, and the occupied area is relatively large, which leads to certain limitations in use.

Contents of the invention

In order to overcome the above-mentioned defects of the prior art, the present invention provides a primary-secondary fusion standardized environment-friendly gas power distribution equipment to solve the problems existing in the above-mentioned background technology.

The invention provides the following technical solutions: a primary and secondary fusion standardized environmental protection gas power distribution equipment, the bottom of the gas box is evenly distributed with cable chambers, one side of the outer wall of the gas box is fixedly connected with an SF6 mechanism room, and the SF6 An instrument box is provided on the top side of the mechanism room, and the instrument box is electrically connected to a secondary aviation socket box, and the secondary aviation socket box is fixedly installed on the top of the SF6 mechanism room.

Further, the depth of the air box, the cable room and the SF6 mechanism room is uniform, and the outer wall of the door of the air box is connected with a controller in an embedded manner. When in use, it can be conveniently used to control the normal operation of the equipment, and at the same time , the depth of the air box, cable room and SF6 mechanism room is unified to facilitate later expansion.

Further, the SF6 mechanism room is respectively provided with two parts, a control room and a busbar room. The inside of the control room is fixedly equipped with an operating mechanism and a secondary line circuit control switch. The inside of the busbar room is provided with an SF6 control switch. The interior is mainly equipped with an operating mechanism and a secondary line circuit control switch, which is the control center of the SF6 mechanism room. Through the control room, the opening and closing of the switch, the opening and closing of the grounding knife, and the on-off of the secondary circuit can be controlled.

Further, a grounding switch, a lightning arrester, a lighting lamp and a current transformer are installed inside the cable room to ensure the safety of the equipment during use.

Further, the outer wall of one side of the instrument box is fixedly connected with an interval operation module, and a wooden pallet is placed at the bottom of the cable room, and the interval operation module is set to control the operation of the electronic components in the device. It is set to provide support for the cable compartment and the above connection parts.

Further, the surface of the instrument panel is embedded with a pressure panel and a running indicator light, which is convenient for the staff to intuitively judge the operation of the equipment.

Further, the air box, the cable room, the SF6 mechanism room, the instrument box and the secondary air box have a minimum air gap of 125mm between phases and relative ground, and the distance between the electrified body and the door is 155mm. It is easy to expand and improve automation. The convenience of upgrading and remodeling.

Further, the depths of the air box, the cable room and the SF6 mechanism room are all 420 mm, which can be placed directly against the wall, greatly reducing the construction cost of the switch room.

Further, phase-splitting insulators are fixedly installed inside the air box, cable room, SF6 mechanism room, instrument box and secondary aviation insertion box, and the gas box, cable room, SF6 mechanism room, instrument box and The secondary aviation sockets are all connected to the PC terminal, which effectively reduces the risk of short-circuit explosion between the various cabinets.

Technical effect and advantage of the present invention:

1. In the present invention, through the mutual combination of various parts, when in use, the overall appearance size of the device is the same as that of the wooden pallet, and the depth of the cabinet body is only 420mm, which can be placed directly against the wall. Compared with the traditional central cabinet, it reduces 3/ 4, which greatly reduces the construction cost of the switch room. At the same time, its expansion is convenient for later expansion, and it is suitable for the automatic upgrade and transformation of the smart grid distribution network in the future.

2. The present invention can reduce sulfur hexafluoride emissions and reduce the impact of greenhouse gases on the atmosphere through the setting of the SF6 mechanism room and the vacuum arc extinguishing method. At the same time, it can also reduce the pollution of the waste solid epoxy resin to the environment, which is in line with Environmentally friendly products for the development of distribution networks in the future. Real green power equipment. The insulation method vigorously promoted by the state is not SF6, which reduces the risk of SF6 leakage and the decrease in arc extinguishing ability. Less risk and more safety.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the instrument box of the present invention.

Fig. 3 is an overall front view of the present invention.

Fig. 4 is an overall right view of the present invention.

Reference signs are: 1. Air box; 2. Cable room; 3. SF6 mechanism room; 4. Instrument box; 5. Secondary aviation insertion box; 6. Interval operation module; 7. Wooden pallet.

Detailed ways

The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. In addition, the configurations of the structures described in the following embodiments are only examples. Primary and secondary fusion standardized environmental protection gas power distribution equipment is not limited to the structures described in the following embodiments, and all other embodiments obtained by those of ordinary skill in the art without creative work belong to this scope of invention protection.

Referring to Figures 1-4, the present invention provides a primary and secondary fusion standardized environmental protection gas power distribution equipment. The bottom of the gas box 1 is evenly distributed with cable chambers 2, and the outer wall of one side of the gas box 1 is fixedly connected with SF6 mechanism chamber 3. The top side of the SF6 mechanism room 3 is provided with an instrument box 4, and the instrument box 4 is electrically connected to the secondary aviation socket box 5, and the secondary aviation socket box 5 is fixedly installed on the top of the SF6 mechanism room 3.

Among them, the depth of the gas box 1, the cable room 2 and the SF6 mechanism room 3 is uniform, and the outer wall of the box door of the gas box 1 is connected with a controller in an embedded manner. When in use, it can be conveniently used to control the normal operation of the equipment. At the same time, The depth of the air box 1, the cable room 2 and the SF6 mechanism room 3 is unified to facilitate later expansion, and is suitable for the automatic upgrade and transformation of the smart grid distribution network in the future.

Among them, the SF6 mechanism room 3 is respectively equipped with two parts: the control room and the busbar room. The operating mechanism and the secondary line circuit control switch are fixedly installed inside the control room. The inside of the busbar room is equipped with an SF6 control switch. Installed with operating mechanism and secondary line circuit control switch, it is the control center of the SF6 mechanism room. Through the control room, the opening and closing of the switch, the opening and closing of the grounding knife, and the on-off of the secondary circuit can be controlled, and it is used to install the SF6 load switch. The busbars are connected to each high-voltage switchgear through the busbar room.

Wherein, a grounding switch, a lightning arrester, a lighting lamp and a current transformer are installed inside the cable room 2 to ensure the safety of the equipment during use and reduce the occurrence of danger.

Wherein, one side outer wall of instrument box 4 is fixedly connected with interval operation module 6, and the bottom of cable room 2 is placed with wooden pallet 7, and the setting of interval operation module 6 is used to control the operation of the electronic components in this equipment, and wooden pallet 7 The setting provides support for the cable chamber 2 and the above connecting parts, thereby facilitating the installation of the cable chamber 2.

Among them, the surface of the instrument panel 4 is connected with a pressure panel and a running indicator light in an embedded manner, which is convenient for the staff to intuitively judge the operation status of the equipment for later maintenance.

Among them, the air box 1, the cable room 2, the SF6 mechanism room 3, the instrument box 4 and the secondary air box 5 have a minimum air gap of 125mm between the phases and the ground, and 155mm from the charged body to the door. Its expansion is simple and applicable In the future smart grid distribution network automation upgrade.

Among them, the depth of air box 1, cable room 2 and SF6 mechanism room 3 is 420mm, which can be placed directly against the wall. Compared with the traditional central cabinet, it reduces the floor area by 3/4 and greatly reduces the construction cost of the switch room .

Among them, the air box 1, the cable room 2, the SF6 mechanism room 3, the instrument box 4 and the secondary aviation insertion box 5 are all fixedly installed with phase-separated insulators, and the gas box 1, the cable room 2, the SF6 mechanism room 3, Both the instrument box 4 and the secondary aviation socket box 5 are connected to the PC terminal. During use, the setting of the phase-separated insulator reduces the risk of short-circuit explosion between the various cabinets.

The working principle of the present invention: the SF6 mechanism room 3 in the fusion ring network cabinet is respectively provided with two parts, the control room and the bus room. The line circuit control switch is the control center of the SF6 mechanism room. Through the control room, the opening and closing of the switch, the opening and closing of the grounding knife, and the opening and closing of the secondary circuit can be controlled. It is used to install the SF6 load switch. The busbar is connected to each cabinet through the busbar room. The body is connected together to control the normal operation of the equipment. The overall size of the ring network cabinet is the same as that of the wooden pallet 7, and the depth of the cabinet is only 420mm, which can be placed directly against the wall. Compared with the traditional central cabinet, it saves less 3/4 of the floor area is reduced, which greatly reduces the construction cost of the switch room. At the same time, the SF6 mechanism room 3 installed on one side adopts the vacuum arc extinguishing method, which can reduce the emission of sulfur hexafluoride and reduce the impact of greenhouse gases on the atmosphere. At the same time, it can also reduce the pollution of waste solid epoxy resin to the environment. It is an environmentally friendly product in line with the future development of power distribution network. It is a real green power equipment. The insulation method vigorously promoted by the country is not SF6, which reduces the arc extinguishing caused by SF6 leakage. The risk of capacity decline, one less risk, one more security, and each component in the device is connected with the PC to realize digital measurement, network control, status visualization and information interaction, and meet the requirements of building a distributed "zero power outage” self-healing system condition.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (9)

1. The utility model provides a standardized environmental protection gas distribution equipment of a secondary fusion, includes gas tank (1), its characterized in that: the bottom evenly distributed of gas tank (1) has cable chamber (2), one side outer wall fixedly connected with SF6 mechanism room (3) of gas tank (1), top one side of SF6 mechanism room (3) is provided with instrument box (4), just instrument box (4) electric connection has the secondary to navigate subrack (5), the secondary navigate subrack (5) fixed mounting in the top of SF6 mechanism room (3).

2. The standardized environmental protection gas distribution equipment of one second fusion of claim 1, wherein: the depth of the air box (1), the cable chamber (2) and the SF6 mechanism chamber (3) is uniform, and the outer wall of the box door of the air box (1) is connected with a controller in an embedded mode.

3. The standardized environmental protection gas distribution equipment of one-time fusion of claim 2, characterized in that: the SF6 mechanism chamber (3) is respectively provided with a control chamber and a bus chamber, an operating mechanism and a secondary line loop control switch are fixedly installed in the control chamber, and an SF6 control switch is arranged in the bus chamber.

4. A twice-fused standardized environmentally friendly gas distribution unit as defined in claim 3, wherein: and a grounding switch, a lightning arrester, a lighting lamp and a current transformer are arranged in the cable chamber (2).

5. The standardized environmental protection gas distribution equipment of one second convergence of claim 4, wherein: one side outer wall fixedly connected with interval operation module (6) of instrument box (4), wooden tray (7) have been placed to the bottom of cable chamber (2).

6. The standardized environmental protection gas distribution equipment of one second convergence of claim 5, wherein: the surface of the instrument panel (4) is connected with a pressure panel and an operation indicator light in an embedded mode.

7. The standardized environmental protection gas distribution equipment of one second fusion of claim 6, wherein: the alternate and relative minimum air gap that meets 125mm of gas tank (1), cable chamber (2), SF6 mechanism room (3), instrument box (4) and secondary navigation subrack (5), and electrified body satisfies 155mm to the door.

8. The standardized environmental protection gas distribution equipment of one-shot fusion of claim 2, wherein: the depths of the air box (1), the cable chamber (2) and the SF6 mechanism chamber (3) are all 420mm.

9. The standardized environmental protection gas distribution equipment of one-time fusion standardized of claim 1, characterized in that: the inside equal fixed mounting of gas tank (1), cable chamber (2), SF6 mechanism room (3), instrument box (4) and secondary navigation subrack (5) has the phase separation insulator, just gas tank (1), cable chamber (2), SF6 mechanism room (3), instrument box (4) and secondary navigation subrack (5) all hold with the PC and are connected.

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