CN107905580B - All-weather flexible overhaul room system for GIS equipment - Google Patents
All-weather flexible overhaul room system for GIS equipment Download PDFInfo
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- CN107905580B CN107905580B CN201711104300.4A CN201711104300A CN107905580B CN 107905580 B CN107905580 B CN 107905580B CN 201711104300 A CN201711104300 A CN 201711104300A CN 107905580 B CN107905580 B CN 107905580B
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/06—Pits or building structures for inspection or services
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Abstract
The invention belongs to the field of overhauling GIS equipment of an electric power system, and discloses an all-weather flexible overhauling room system of GIS equipment, which comprises the following components: the system comprises an overhaul room framework system, a rainproof fabric system, a connecting and fastening auxiliary fitting system and an intelligent monitoring system; the overhaul room framework system comprises an expandable air column framework type double-layer wall unit, a general roof, a special roof and a single-layer door structure unit; the rainproof fabric system is arranged outside the overhaul room framework system and comprises a transparent PVC film and oxford; the connection fastening auxiliary accessory system is arranged in the overhaul room framework system and comprises a rubber stay rope and a windproof sandbox; the intelligent monitoring system is arranged inside the overhaul room framework system. The invention can ensure that GIS equipment can be unfolded for disassembly and maintenance in severe weather environments, so that the GIS equipment can exert higher efficiency in maintenance, greatly reduce large-area power failure time and improve economic efficiency.
Description
Technical Field
The invention belongs to the field of overhauling GIS equipment of an electric power system, and particularly relates to an all-weather flexible overhauling room system of GIS equipment.
Background
GIS (Gas Insulated Switchgear, SF6 gas-insulated totally-enclosed combiner) equipment is high-voltage electrical equipment collection equipment of gas-insulated totally-enclosed combined switch electrical equipment, gas SF6 is used as an insulating medium, a complete system is formed by a quick grounding switch, a disconnecting switch, a circuit breaker, a voltage transformer, a bus, a lightning arrester, a cable terminal and a wire inlet and outlet sleeve in a certain mode, and the switch and the closing of the circuit breaker of the GIS equipment are controlled through hydraulic/pneumatic and spring mechanism operation and the like. With the increasing scale of the power grid, in recent years, GIS equipment has gradually replaced other switch equipment to become a mainstream variety, so that GIS combined appliances are increasingly used in 220KV and above power grids. At present, GIS equipment is used as a main carrier of a power system and high-value equipment and has the advantages of small area, low noise, no fire hazard, stable state, simple wiring mode, safe and reliable operation and the like. However, due to the characteristics of complex structure and multiple overhaul processes of GIS equipment, once the GIS equipment fails, the GIS equipment is difficult to disassemble due to the complex structure, so that the GIS equipment has higher requirements on environmental conditions, and the overhaul time is usually about 2 weeks, and has the characteristics of wide power failure range, great economic influence and the like.
When GIS equipment is overhauled, overhauling staff needs to disconnect all electric equipment firstly, then, recovering the gas of a defect gas chamber, opening a flange cover to clean the gas chamber, then, carrying out treatment for solving related faults, closing the flange cover of an adsorbent gas chamber under the condition of high-temperature drying immediately after the completion of the treatment, and finally, vacuumizing and detecting the GIS gas chamber, and measuring the related annual water leakage, micro water content and the like of SF6 gas after 24 hours. From the prior experience, the most commonly used method is a direct maintenance method in the natural environment, but the method has a plurality of defects: such as weather conditions determining construction progress, installation environment affecting maintenance quality, etc. However, after the GIS equipment is in fault, the GIS equipment can only be disassembled and overhauled, after the overhauling is finished, the inside of the GIS equipment needs to be vacuumized and impurities in the air need to be prevented from entering, so that the operation can be performed only when the weather is clear, the weather condition is a factor which cannot be mastered exactly, and the rainwater is more in the south and the humidity is difficult to ensure; in northern weather, the temperature is difficult to ensure. And even in clear open-air construction, because haze is frequent at present, impurities or dust in the air are easy to deposit and adsorb on the inner wall of GIS equipment, continuous discharge is caused, and great safety accidents are caused.
In summary, the problems of the prior art are: the GIS equipment can only be disassembled for maintenance after faults, vacuumizing in the GIS equipment is needed after maintenance is finished, impurities in the air are prevented from entering, and the operation can be unfolded only when the weather is clear after the complete vacuumizing. On the one hand, weather conditions are factors which cannot be mastered exactly, and in the south, more rainwater exists, so that humidity is difficult to ensure; in northern weather, the temperature is difficult to ensure. On the other hand, the insulating state is a very necessary condition for normal operation of the equipment, even when the equipment is under open air construction, impurities or dust in the air are easy to be deposited and adsorbed on the inner wall of the GIS equipment due to frequent haze, so that the insulating state is influenced to cause continuous discharge, and a great safety accident is caused. The placement of GIS devices indoors is a solution to the problem, but involves foundation construction (copper wires are arranged under the foundation) and overall structure (steel structures and other conductive materials cannot be used), which is extremely complex and costly, so GIS devices are generally open air. Another solution is to place the equipment failure part in a relatively closed environment to achieve the environmental conditions required for evacuation. But it is inconvenient to operate.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides an all-weather flexible overhaul room system for GIS equipment.
The invention is realized in such a way that the all-weather flexible overhaul room system of the GIS equipment comprises: the system comprises an overhaul room framework system, a rainproof fabric system, a connecting and fastening auxiliary fitting system and an intelligent monitoring system;
The overhaul room framework system comprises an expandable air column framework type double-layer wall unit, a general roof, a special roof and a single-layer door structure unit; the upper end of the air column frame type double-layer wall body unit is provided with a general roof and a special roof, and the outer side of the expandable air column frame type double-layer wall body unit is embedded with a single-layer door structure unit;
The rainproof fabric system is arranged outside the overhaul room framework system and comprises a transparent PVC film and oxford; the transparent PVC film is arranged on the top surface and the side wall, and oxford which is sewn with the transparent PVC film into a whole is of a cylinder structure which is opened and closed up and down;
The connection fastening auxiliary accessory system is arranged in the overhaul room framework system and comprises a rubber stay rope and a windproof sandbox; the rubber stay cord is connected with a rainproof cloth of the fixing ring and a cuboid windproof sandbox;
The intelligent monitoring system is arranged in the overhaul room framework system and comprises an air pressure detection device, a humidity monitoring device and a temperature detection device.
Further, the inflatable air bag of the air column frame type double-layer wall unit adopts nylon finely woven PVC double-sided coating cloth for high-frequency thermal synthesis, is inflated by an electric pump or a pedal pump, and is provided with magic buckles and uniformly distributed fixing rings for connection in four directions of each air column of the frame structure skeleton;
The general roof and the special roof are respectively of an independent detachable structure, and the special roof adopts a central detachable structure;
The single-layer door structure unit is connected with two air column frame type double-layer wall units.
Furthermore, the transparent PVC film adopts a skirt pendulum type overlapping structure with edges which are 5-10cm more when the side walls are spliced.
The invention has the advantages and positive effects that: the all-weather flexible overhaul room system for the GIS equipment can ensure that the GIS equipment can be unfolded for disassembly overhaul in severe weather environments, so that the GIS equipment can exert higher efficiency in overhaul, greatly reduce large-area power failure time and improve economic efficiency.
The invention has the advantages that:
1. after the device is used, the device can be overhauled under severe weather conditions, and the time for overhauling and waiting for proper weather is shortened to 2-3 days from about 14 days. The GIS equipment can be disassembled and overhauled in all weather under severe weather environments such as rain, snow and the like, so that the overhauling is more efficient.
2. The overhaul chamber adopts a flexible split structure. The installation and the disassembly are simple, convenient and quick. The equipment amount is small, the flexibility is high, and the time cost is greatly saved. The transparent material is favorable for lighting and command, and is more attractive and durable.
3. The small units of the flexible framework and the combination among the units can skillfully bypass the complex shape of the GIS equipment in a flexible state and then are inflated to form a rigid framework. And solve GIS equipment hoist and mount, personnel and overhaul equipment business turn over scheduling problem.
4. Because the whole overhaul room is free of steel or aluminum alloy materials, potential safety hazards caused by extremely large static electricity generated by the high-voltage transmission line during overhaul are greatly reduced.
5. By adopting the rubber ropes and the cuboid windproof sandboxes which are uniformly distributed, the load of strong wind loaded on the overhaul chamber is effectively and uniformly solved, and the potential energy of wind is converted into the elastic potential energy of the rubber ropes. And the use of the monitoring device further ensures the safety and stability of the overhaul room.
6. The use of the monitoring devices such as inflation pressure and temperature and humidity further ensures the safety and stability of the overhaul room.
7. Taking maintenance of 220KV GIS switches as an example, the operation voltage is 220KV, the current is 860A, the operation power is about 20 KW, the electricity per degree is 0.5 yuan, the direct economic loss reaches 10 ten thousand yuan when the power is cut off for 1 hour, if the maintenance cannot be carried out in 2 continuous days in overcast and rainy days, the direct economic loss is about 500 ten thousand yuan, and the loss caused by social effects of other resident life, factory operation and the like is not considered yet. Therefore, the overhaul room has high social and economic benefits.
Drawings
FIG. 1 is a schematic diagram of a GIS structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a framework structure of an overhaul room provided by an embodiment of the invention;
FIG. 3 is a schematic view of the effect of an overhaul room provided by an embodiment of the present invention;
FIG. 4 is a schematic view of an air column frame type double-layer wall unit maintenance room provided by an embodiment of the invention;
FIG. 5 is a schematic view of a specific roof structure of an overhaul room provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a general roof of an access room provided by an embodiment of the present invention;
FIG. 7 is a schematic view of a single-layer door structure unit of an access room provided by an embodiment of the invention;
In the figure: 1. GIS equipment line collecting groove; 2. GIS equipment bus; 3. the GIS equipment transversely protrudes; 4. the GIS equipment longitudinally protrudes; 5. a special roof; 6. a universal roof; 7. an air column frame type double-layer wall unit; 8. transparent PVC rain-proof film, 9, cylinder structure oxford cloth which opens and closes up and down; 10. a windproof sandbox; 11. a rubber pull rope; 12. single layer door structure unit.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention adopts the rainproof soft transparent material, which not only prevents rainwater from entering the maintenance room to influence humidity, but also ensures the visibility of the maintenance room. Meanwhile, the problem that the joint part of the protruding structures at the top and the side surfaces of the GIS switch and the maintenance room is weather-proof and the bottom of the maintenance room is weather-proof is solved.
The inflatable high polymer standard small unit flexible structure and the connecting piece are adopted, the insulation safety is good, the rapid installation and the disassembly are realized, the inflatable high polymer standard small unit flexible structure is light and flexible, the flexible and smart obstacle crossing is realized through the soft body in the non-inflatable state, the maintenance space is freely expanded through the combination of the unit bodies, and the characteristics of the flexible maintenance room are fully embodied.
The humidity sensing technology, the dehumidifier, the air conditioner and the air purifier are adopted, so that the automatic temperature and humidity control and the air purification in the overhaul room are realized.
The air pressure detection and automatic air charging and discharging device is adopted to maintain the balance of air pressure in each unit body framework of the overhaul chamber, so that the rigidity and the working stability of the overhaul chamber are ensured.
The principle of application of the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the all-weather flexible overhaul room system for GIS equipment provided by the embodiment of the invention includes: the system comprises an overhaul room framework system, a rainproof fabric system, a connecting and fastening auxiliary fitting system and an intelligent monitoring system; the method specifically comprises the following steps:
GIS equipment line collecting groove 1, GIS equipment bus bar 2, GIS equipment transversely outstanding 3, GIS equipment vertically outstanding 4, purpose-made roof 5, general roof 6, gas column frame formula double-deck wall body unit 7, transparent PVC rain-proof membrane 8, cylinder structure oxford 9 that opens and shuts from top to bottom, prevent wind sandbox 10, rubber stay 11, single-layer door structure unit 12.
The overhaul room framework system comprises an expandable air column framework type double-layer wall unit 7, a general roof 6, a special roof 5 and a single-layer door structure unit; the inflatable air bag of the air column frame type double-layer wall unit is formed by high-frequency heat sealing 12 of nylon finely woven PVC double-sided coating cloth, the inflatable air bag can be rapidly formed within 10 minutes by inflating an electric pump or a pedal pump, and magic buckles and uniformly distributed fixing rings are arranged in four directions of each air column of a frame structure framework and used for connection. The inflatable structure can not only meet the mechanical property required by a maintenance room, but also well avoid static electricity generated by a high-voltage transmission line; and in a flexible state (without inflation), the barrier caused by the special shape of the GIS equipment can be easily bypassed.
The air column frame type double-layer wall body units are connected into a framework with high rigidity for supporting, the units are connected through the overlapping ratio of the roof, the distance between the two units can be adjusted according to construction requirements, the complex protruding structure of GIS equipment can be flexibly avoided even in a flexible state, and a larger overhauling space is created for overhaulers.
The general roof and the special roof are of independent detachable structures, and the problems of lifting of GIS equipment in the overhaul process, overhaul personnel and overhaul instrument in-out are solved. The special roof is similar to a general roof, but adopts a central separable structure, so that the structure which can flexibly avoid the complicated protruding structure of GIS equipment even in a flexible state can be avoided.
The single-layer door structure unit is connected with the two air column frame type double-layer wall units, so that the rigidity of the overhaul room is further improved, and an inlet and an outlet are provided for the overhaul room.
The rainproof fabric system comprises a transparent PVC film with the thickness of 0.5mm and oxford 9 with a cylinder structure which is opened and closed up and down; compared with other materials, the transparent PVC film has the functions of wind prevention and rain prevention, is beneficial to lighting and command, and is more attractive and durable; the transparent PVC film is arranged on the top surface and the side wall, and the side wall are spliced by adopting a skirt pendulum type overlapping structure with edges 5-10cm more, so that rainwater can be effectively prevented from entering an overhaul room from the joint; because the part below that GIS equipment overhauld has horizontal generating line and has horizontal and vertically sleeve pipe to wear out the maintenance room on upper portion, with transparent PVC membrane seam oxford as an organic whole for the drum structure that opens and shuts from top to bottom, can wrap up the GIS equipment that wears out the maintenance room part back and use the rubber rope winding tightly, reach the effect that steam did not go into.
The connecting and fastening auxiliary accessory system comprises a magic buckle, a rubber belt, a light high-strength scratch-resistant floor, a rubber stay rope 11 and a windproof sandbox 10; the rubber rope is connected with the rainproof cloth with the fixing ring and the cuboid windproof sandbox, so that the windproof effect of the overhaul room is enhanced, the load of the overhaul room is effectively relieved by converting wind energy into elastic potential energy of the rubber rope, and the load of the wind is evenly distributed instead of concentrated load. Thereby improving the stability of the service room. The light high-strength scratch-resistant floor is used for ensuring the smoothness of maintenance on one hand and preventing the framework of the maintenance room from being damaged on the other hand because the site is a pebble ground.
The intelligent monitoring system comprises an air pressure detection device, a humidity monitoring device and a temperature detection device. The air pressure detection device can ensure the air pressure balance in the framework of the inflatable overhaul room, and after a constant air pressure value is set, the overhaul room can keep good rigidity according to the principle of multiple refunds and less supplements in actual conditions. Humidity and temperature detection device arranges the maintenance room inside, humidity and temperature in the real-time supervision room, in case the monitor value is higher than the setting, can trigger the warning, just can open the dehumidification and heat sink voluntarily to guarantee a good external environment at GIS equipment maintenance in-process.
Firstly, an expandable air column frame type double-layer wall unit 7 bypasses a GIS equipment bus 2 and barriers caused by lateral protrusion 3 of GIS equipment in a flexible state (without inflation), and then is inflated by an electric pump or a pedal pump to be rapidly formed within 10 min; the connection of the universal roof 5 and the single-layer door structure unit 12 is then carried out by means of a connection fastening accessory system, with the purpose built roof 6 being spliced when the longitudinal projection 4 of the GIS device is encountered. Therefore, the device not only can flexibly avoid the complicated protruding structure of the GIS equipment 2 even in a flexible state, but also creates a larger overhauling space for overhauling staff, and can solve the problems of lifting of the GIS equipment in the overhauling process, overhauling staff and overhauling instrument in and out. Then, transparent PVC rain-proof membrane 8 that can splice and dismantle is adopted and is spliced many times to use cylinder structure oxford 9 that opens and shuts from top to bottom to wrap up the back and use rubber rope winding to tighten, reach the effect that steam does not go into. When the rainproof fabric is spliced, the skirt-type overlapping structure with the length of 5-10cm is arranged on the edge of the upper part, so that rainwater can be effectively prevented from entering an overhaul room from the joint; finally, a windproof sandbox 10 is placed at the bottom of the periphery of the overhaul room, and the framework, the rainproof cloth and the windproof sandbox 10 which are provided with the fixing rings are fixed by using the rubber pull ropes 11, so that the windproof effect of the overhaul room is enhanced, and the load applied to the overhaul room is effectively relieved by converting wind energy into elastic potential energy of the rubber pull ropes, so that the stability of the overhaul room is improved. Then, a light high-strength scratch-resistant floor is placed on the ground below the framework, so that the framework is prevented from being damaged by the ground, and the durability is achieved. GIS equipment wiring collecting groove 1 is laid in the GIS equipment all-weather flexible overhaul room.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The utility model provides a GIS equipment all-weather flexible access room system which characterized in that, this GIS equipment all-weather flexible access room system includes: the system comprises an overhaul room framework system, a rainproof fabric system, a connecting and fastening auxiliary fitting system and an intelligent monitoring system;
The overhaul room framework system comprises an expandable air column framework type double-layer wall unit, a general roof, a special roof and a single-layer door structure unit; the upper end of the air column frame type double-layer wall body unit is provided with a general roof and a special roof, and the outer side of the expandable air column frame type double-layer wall body unit is embedded with a single-layer door structure unit;
The rainproof fabric system is arranged outside the overhaul room framework system and comprises a transparent PVC film and oxford; the transparent PVC film is arranged on the top surface and the side wall, and oxford which is sewn with the transparent PVC film into a whole is of a cylinder structure which is opened and closed up and down;
the connection fastening auxiliary accessory system is arranged in the overhaul room framework system and comprises a rubber stay rope and a windproof sandbox; the rubber stay cord is connected with a rainproof cloth and a cuboid windproof sandbox, wherein the rainproof cloth is provided with a fixing ring;
The intelligent monitoring system is arranged in the overhaul room framework system and comprises an air pressure detection device, a humidity monitoring device and a temperature detection device;
The inflatable air bags of the air column frame type double-layer wall units are formed by high-frequency thermal synthesis of nylon finely woven PVC double-sided coating cloth, an electric pump or a pedal pump is used for inflating, and magic buckles and uniformly distributed fixing rings are arranged in four directions of each air column of the frame structure skeleton and used for connection;
The general roof and the special roof are respectively of an independent detachable structure, and the special roof adopts a central detachable structure;
The single-layer door structure unit is connected with two air column frame type double-layer wall units;
The expandable air column frame type double-layer wall body unit bypasses the barriers caused by the lateral protrusion of the GIS equipment bus and the GIS equipment under the flexible state, and then is inflated by an electric pump or a pedal pump to be rapidly molded within 10 min.
2. The all-weather flexible overhaul room system of GIS equipment according to claim 1, wherein the transparent PVC film adopts a skirt type overlapping structure with edges which are 5-10cm more when the side walls are spliced.
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| CN201711104300.4A CN107905580B (en) | 2017-11-10 | 2017-11-10 | All-weather flexible overhaul room system for GIS equipment |
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| CN201711104300.4A CN107905580B (en) | 2017-11-10 | 2017-11-10 | All-weather flexible overhaul room system for GIS equipment |
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| CN107905580B true CN107905580B (en) | 2024-04-19 |
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| CN110206344A (en) * | 2019-05-14 | 2019-09-06 | 国网河北省电力有限公司衡水供电分公司 | For installing the inflatable dust free room of GIS device |
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