CN110676734A - GIS (gas insulated switchgear) field construction protection system of transformer substation - Google Patents
GIS (gas insulated switchgear) field construction protection system of transformer substation Download PDFInfo
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- CN110676734A CN110676734A CN201910975399.8A CN201910975399A CN110676734A CN 110676734 A CN110676734 A CN 110676734A CN 201910975399 A CN201910975399 A CN 201910975399A CN 110676734 A CN110676734 A CN 110676734A
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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
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
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Abstract
A transformer substation GIS field construction protection system comprises a dust chamber main body, wherein the dust chamber main body is provided with a GIS arranging opening, a detachable sealing curtain is arranged at the GIS arranging opening, and the sealing curtain and the dust chamber main body form a closed GIS installation and maintenance space; the dust chamber comprises a dust chamber main body, a plurality of lifting lugs, lifting traveling cranes and an environment control system, wherein the lifting traveling cranes are used for lifting the GIS, the environment control system is used for regulating and controlling the installation and maintenance of the GIS, the side surface of the dust chamber main body is provided with lifting hydraulic legs, the lifting hydraulic legs can respectively and independently control the lifting height of the lifting hydraulic legs, the peripheral edge of the bottom edge of the dust chamber main body is provided with an inflatable flexible cushion, the interior of the flexible cushion is divided into a plurality of independent inflatable areas, and an inflating device for inflating the flexible cushion is arranged in the dust chamber main body; the sealing structure has the advantages of good sealing performance and strong adaptability; the probability of GIS failure caused by poor installation or maintenance operation environment is reduced.
Description
Technical Field
The invention relates to a protection system, in particular to a GIS (gas insulated switchgear) field construction protection system of a transformer substation.
Background
Gas-Insulated enclosed Switchgear (GIS for short) includes circuit breakers, disconnectors, grounding switches, lightning arresters, voltage transformers, current transformers, cable terminals and other devices in a substation except for transformers, all of which are directly or indirectly sealed in a pipe tree composed of metal pipes and sleeves, and each pipe of the pipe tree is filled with sulfur hexafluoride (SF6) insulating Gas with a certain pressure, so the GIS is also called as SF6 fully-enclosed combined electrical apparatus.
At present, a GIS becomes one of important component devices of a transformer substation due to the advantages of small occupied area, compact structure, reliable operation and the like. However, the GIS can reliably operate in a high-cleanliness installation and maintenance environment, and if dust particles enter the GIS in the installation and maintenance process of the GIS, the GIS can easily generate air leakage, discharge and other faults, so that potential safety hazards are left for the normal operation of the transformer substation. Therefore, a dustproof work shed is usually built at a GIS installation and maintenance point to protect the GIS from dust and moisture.
However, the existing dustproof work shed is simple in structure, and only the totally-enclosed fences are erected around the GIS to block the invasion of wind and sand, so that the air dust degree, the air relative humidity and the like in the dustproof work shed are difficult to meet the operation requirements of installing or maintaining the GIS, the probability of the GIS breaking down in the later operation process is high, and the stable operation of a transformer substation where the GIS is located and an electric power system is easily influenced. In addition, dustproof worker canopy still need assemble at GIS installation and maintenance point on-the-spot, and is consuming time longer, not only is unfavorable for improving GIS's installation and maintenance efficiency, also brings great safety risk for the operating personnel easily at the long-time installation of dustproof worker canopy or dismantlement in-process.
On the other hand, the bottom surface of a construction site often has different terrain heights, the bottom of the existing dustproof work shed is of a rigid structure, and the bottom gap cannot be adjusted adaptively, so that the consequence that sand blown by the wind, dust and rainwater can enter the interior of the dustproof work shed from the bottom is brought.
Disclosure of Invention
The invention aims to provide a protection system capable of effectively preventing sand blown by the wind, dust and rainwater from entering a GIS construction site.
The technical scheme adopted by the invention is as follows: a transformer substation GIS field construction protection system comprises a dust chamber main body which can be carried to a GIS installation and maintenance point, wherein the dust chamber main body is provided with a GIS installation port, a detachable sealing curtain is arranged at the GIS installation port, and the sealing curtain and the dust chamber main body form a closed GIS installation and maintenance space; the dust-proof chamber comprises a dust-proof chamber main body, a plurality of lifting lugs, a lifting travelling crane, an environment control system and a power supply and illumination system, wherein the lifting lugs are arranged outside the dust-proof chamber main body, the lifting travelling crane is used for lifting a GIS (geographic information System), the environment control system is used for regulating and controlling the environment of a GIS installation and maintenance space, and the power supply and illumination system is used for supplying power to the lifting travelling crane and the environment control system and providing illumination for; the dust chamber is characterized in that lifting hydraulic legs are arranged on the side face of the dust chamber main body, inflatable flexible cushions are arranged at the edges of the periphery of the bottom edge of the dust chamber main body, the interior of each flexible cushion is divided into a plurality of independent inflatable areas, and an inflating device for inflating the flexible cushions is arranged in the dust chamber main body.
Further, the dust chamber further comprises a main ground terminal arranged outside the dust chamber main body, and a plurality of sub ground terminals arranged inside the dust chamber main body; the plurality of sub-grounds are respectively connected to the main ground.
Further, the main body of the dust chamber comprises a box type truss;
the top of the box type truss is provided with a dust-proof chamber top cover; the outer side of the dust-proof chamber top cover is provided with a plurality of lifting lugs, and the inner side of the dust-proof chamber top cover is provided with the hoisting travelling crane;
a dustproof chamber bottom plate is arranged at the bottom of the box-type truss, and a GIS accommodating groove is formed in the dustproof chamber bottom plate;
four side parts of the box-type truss, which are positioned between the top and the bottom, are respectively provided with dustproof chamber side walls, wherein the two dustproof chamber side walls which are vertical to the GIS trend are respectively provided with a GIS arranging opening; and a dustproof room airtight door is arranged on the side wall of the dustproof room, which is parallel to the GIS trend and connected with the bottom plate of the dustproof room.
Furthermore, the bottom plate of the dust-proof room is also provided with an air shower which is adjacent to the airtight door of the dust-proof room.
Furthermore, the dust-proof room further comprises an electric skylight arranged on the top cover of the dust-proof room, the window of the electric skylight is right opposite to the GIS containing groove on the bottom plate of the dust-proof room, and the electric skylight is electrically connected with the power box of the power supply lighting system.
Furthermore, the box-type truss, the dust-proof chamber top cover, the dust-proof chamber bottom plate and the dust-proof chamber side wall are of an integrated structure.
Furthermore, the environment control system comprises an environment monitoring device for monitoring the GIS installation and space environment maintenance and an air conditioning device in signal connection with the environment monitoring device; wherein the content of the first and second substances,
the environment monitoring equipment comprises a dust degree monitor and a temperature and humidity sensor which are respectively arranged in the dust-proof chamber main body;
the air conditioning equipment is arranged on the dust-proof room side wall or the dust-proof room bottom plate of the dust-proof room main body, and the air conditioning equipment comprises a fresh air conditioning unit which is respectively in signal connection with the dust degree monitor and the temperature and humidity sensor.
Further, the power supply lighting system comprises a power supply box and a lighting device electrically connected with the power supply box;
the power box is arranged on the side wall or the bottom plate of the dust-proof chamber main body and is respectively and electrically connected with the hoisting travelling crane and the environment control system;
the lighting device is arranged on a dust-proof room top cover of the dust-proof room main body.
The invention has the advantages and characteristics that: a closed GIS installation and maintenance space can be formed, the bottom of the GIS installation and maintenance space is flexibly designed, and the influence of the external environment of a dust-proof room on the environment of the GIS installation and maintenance space can be effectively prevented; and the environment control system arranged in the dust-proof chamber main body is utilized to accurately regulate and control the environment of the GIS installation and maintenance space, so that the environment of the GIS installation and maintenance space can be ensured to meet the operation requirement when the GIS is installed or maintained. The probability of GIS failure caused by poor installation or maintenance operation environment is reduced. The total time consumption for installing and maintaining the GIS is effectively shortened, and the efficiency of installing and maintaining the GIS is improved.
Drawings
Fig. 1 is a schematic left-side external view of a dust-proof room for installing and maintaining a GIS according to an embodiment of the present invention;
fig. 2 is a schematic right-side external view of a dust-proof room for installing and maintaining a GIS according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an internal structure of a dust-proof room for installing and maintaining a GIS according to an embodiment of the present invention.
The reference numbers in the figures denote: 1-a dust-proof room main body, 2-a sealing curtain, 21-a dust-proof room shielding curtain, 22-a GIS shielding curtain, 3-a GIS, 4-an electric skylight, 5-a dust-proof room sealed door, 6-an air shower, 7-an environment control system, 71-an environment monitoring device, 72-an air conditioning device, 8-a hoisting crane, 9-a lifting hydraulic leg, 10-a flexible cushion, 11-a lifting lug, 12-a heat insulation layer and 13-an air charging device.
Detailed Description
The invention is further illustrated with reference to the accompanying drawings:
for the convenience of understanding, the dust-proof room for installing and maintaining the GIS provided by the embodiment of the invention is described in detail below with reference to the attached drawings.
Referring to fig. 1-3, a transformer substation GIS field construction protection system includes a dust-proof chamber main body 1 capable of being carried to a GIS installation and maintenance point, the dust-proof chamber main body is provided with a GIS installation port, the GIS installation port is provided with a detachable sealing curtain, and the sealing curtain and the dust-proof chamber main body form a closed GIS installation and maintenance space; the dust-proof chamber main body 1 is externally provided with a plurality of lifting lugs 11, and internally provided with a lifting crane 8 for lifting the GIS, an environment control system 7 for regulating and controlling the GIS installation and maintenance space environment, and a power supply and illumination system for supplying power to the lifting crane 8 and the environment control system and providing illumination for the GIS installation and maintenance space; the side face of the dust-proof chamber main body is provided with lifting hydraulic legs 9, the lifting hydraulic legs 9 can respectively and independently control the lifting height of the lifting hydraulic legs, the edges of the periphery of the bottom edge of the dust-proof chamber main body 1 are provided with inflatable flexible cushions 10, the interior of each flexible cushion 10 is divided into a plurality of independent inflatable areas (divided by dotted lines in the figure), an inflating device for inflating the flexible cushions is arranged inside the dust-proof chamber main body 1, when the dust-proof chamber main body is used, aiming at terrains with different heights, the whole posture of the dust-proof chamber main body 1 is adjusted to be kept horizontal through the lifting hydraulic legs 9, then the flexible cushions are inflated through the inflating device 13, the inflating amount of different areas can be changed according to different terrains heights, and the bottom of each flexible cushion and the construction bottom face are enabled to be.
Since GIS are generally arranged in a pipe tree structure, in order to facilitate the carrying of the dust chamber main body 1 to be fastened to the GIS3 located at the GIS installation and maintenance point, a GIS installation port is generally provided at a portion of the dust chamber main body 1 corresponding to the GIS3, so that the GIS3 is installed in the dust chamber main body 1, and both ends of the GIS3 are extended out of the dust chamber main body 1. Therefore, the GIS seating opening is generally a pair of openings provided at opposite sides of the dust box main body 1, and of course, if there are a plurality of GIS3 pipes at the GIS installation and maintenance point, there are a plurality of pairs of openings provided at the dust box main body 1.
The detachable sealing curtain 2 is provided at the GIS installation port of the main body 1 of the dust chamber so that the sealing curtain 2 can be removed before the main body 1 of the dust chamber is carried and the sealing curtain 2 is installed on the main body 1 of the dust chamber after the main body 1 of the dust chamber is carried. In order to conveniently disassemble and assemble the sealing curtain 2, the sealing curtain 2 can be composed of a dust-proof room shielding curtain 21 and a GIS shielding curtain 22, wherein the dust-proof room shielding curtain 21 is sealed with a GIS placing port of the dust-proof room main body 1 in an adhesive manner, the GIS shielding curtain 22 is arranged in an area corresponding to the cross section of the pipeline of the dust-proof room shielding curtain 21 and the GIS3, the GIS shielding curtain 22 is a tubular soft curtain, a pipe orifice at one end of the GIS shielding curtain is sealed with the dust-proof room shielding curtain 21 in an adhesive manner, and a pipe orifice at the other end of the GIS shielding curtain is bound on the outer wall of the pipeline of the GIS3 extending. If the GIS mounting opening of the dust-proof chamber main body 1 is not provided with the projecting pipe of the GIS3, the other end pipe opening of the GIS curtain 22 can be bound and sealed by a binding tool such as a rope.
It can be understood that, according to the actual installation requirement of the sealing curtain 2, both the dust-proof room shielding curtain 21 and the GIS shielding curtain 22 can be split into a plurality of sub-shielding curtains, that is, the sub-shielding curtains are respectively formed by bonding a plurality of sub-shielding curtains; the number of the sub-shielding curtains can be set independently according to actual needs. In addition, since the sealing curtain 2 composed of the dust-proof room curtain 21 and the GIS curtain 22 is a soft curtain structure, a light metal plate material may be generally disposed outside the sealing curtain 2 for the convenience of shaping and protecting the same.
After the dust-proof room for installing and maintaining the GIS is hoisted to a GIS installing and maintaining point, a closed GIS installing and maintaining space can be formed by the dust-proof room main body 1 and the sealing curtain 2 arranged at the GIS arranging opening of the dust-proof room main body 1, so that the influence of the external environment of the dust-proof room on the environment of the GIS installing and maintaining space is effectively prevented. In addition, the environment control system 7 arranged in the dust-proof chamber main body 1 is used for accurately regulating and controlling the environment of the GIS installation and maintenance space, so that the environment of the GIS installation and maintenance space can be ensured to meet the operation requirement when the GIS is installed or maintained. In conclusion, the dust-proof chamber for installing and maintaining the GIS provided by the invention can provide a clean operation environment meeting the operation requirement for installing and maintaining the GIS, and reduces the probability of the GIS failing due to poor installation or maintenance operation environment.
In addition, in the dust-proof room for installing and maintaining the GIS provided by the embodiment of the invention, a plurality of lifting lugs 11 are arranged outside the dust-proof room main body 1, and the dust-proof room can be directly transported to a GIS installing and maintaining point by utilizing the lifting lugs 11 according to the requirements of the GIS installing and maintaining. Because the dust-proof chamber main body 1, the hoisting travelling crane 8, the environment control system 7 and the power supply and illumination system which are arranged in the dust-proof chamber main body 1 can be directly transported to a GIS installation and maintenance point as a whole, thereby avoiding the field assembly of the dust-proof chamber at the GIS installation and maintenance point, effectively shortening the total consumption and time consumption for the GIS installation and maintenance, and being beneficial to improving the efficiency of the GIS installation and maintenance.
The structure of the dust-proof chamber main body in the above embodiment can be specifically designed in cooperation with the structure of the GIS, and there are various options as long as the dust-proof chamber main body can be transported to a GIS installation and maintenance point and forms a closed GIS installation and maintenance space for the GIS. Referring to fig. 1 and 3, the embodiment of the present invention, in cooperation with the most common device structure in the GIS string, preferably selects a simple and stable main structure of the dust-proof chamber, as described below.
The main structure of the dust-proof chamber body 1 is a box type truss, which can be made of various materials, such as cast iron, cast steel, forged steel, etc., and forged steel is preferable in order to ensure good mechanical properties of the box type truss. The top of the box type truss is provided with a dust-proof chamber top cover, the outer side of the dust-proof chamber top cover is provided with a plurality of lifting lugs 11, and the inner side of the dust-proof chamber top cover is provided with a hoisting travelling crane 8; the number and the arrangement positions of the lifting lugs 11 are specifically determined according to the stress analysis during the hoisting of the dust-proof chamber, and four groups of lifting lugs are generally symmetrically arranged at four corners of a top cover of the dust-proof chamber so as to allow a crane outside the dust-proof chamber to stably carry the main body 1 of the dust-proof chamber; the structure and specification of the hoisting crane 8 can be set according to the actual need of installing or maintaining the GIS, which is not specifically limited in this embodiment.
A dustproof chamber bottom plate is arranged at the bottom of the box type truss, and a GIS accommodating groove is formed in the dustproof chamber bottom plate; the four side parts of the box-type truss, which are positioned between the top and the bottom, are respectively provided with dustproof chamber side walls, wherein the two dustproof chamber side walls which are vertical to the GIS trend are respectively provided with the GIS arranging openings; and a dustproof chamber side wall which is parallel to the GIS trend and connected with the dustproof chamber bottom plate is provided with a dustproof chamber sealed door 5. When the dust-proof chamber main body 1 is conveyed to the position above the GIS3, the GIS containing grooves on the bottom plate of the dust-proof chamber are matched with the GIS3, so that the dust-proof chamber main body 1 is just buckled on the GIS3, and two ends of the GIS3 respectively extend out of the two GIS containing openings of the dust-proof chamber main body 1; at this time, the two GIS installing ports of the dust-proof chamber main body 1 are respectively provided with the sealing curtains 2, so that the dust-proof chamber main body 1 can be sealed, and a sealed GIS installing and maintaining space is formed.
In order to reduce the total weight of the dust-proof chamber, the top cover and the side wall of the dust-proof chamber of the main body of the dust-proof chamber can be made of aluminum-plastic plates; moreover, in order to reduce the energy consumption of the dust-proof chamber, the inner sides of the top cover and the side walls of the dust-proof chamber are respectively provided with an insulating layer 12, and the insulating layer 12 is made of an insulating material such as a rock wool board.
In order to ensure that the main body of the dust-proof chamber has sufficient strength, the box-type truss, the top cover of the dust-proof chamber, the bottom plate of the dust-proof chamber and the side wall of the dust-proof chamber can be of an integral structure, for example, manufactured by integral casting molding, or a container-type welded structure.
It can be understood that, with continuing reference to fig. 1, the above-described embodiment further provides an air shower 6 disposed adjacent to the dust-proof room sealing door 5 on the bottom plate of the dust-proof room; that is, when the worker opens the dust-proof chamber sealing door 5 and enters the dust-proof chamber, the worker needs to clean the dust-proof chamber by passing through the air shower 6. The clean air blown out by the air shower 6 is utilized to remove dust carried by operators, and the dust outside the dustproof room can be effectively blocked or reduced to enter the dustproof room, so that a clean and reliable operation environment is provided for installation and maintenance of the GIS. In this embodiment, air shower 6 chooses for use single two air-blowing shower, and two doors around it adopt the electronic interlocking structure for air shower is equal to the airlock room, can effectively prevent the outside unpurified air admission dust proof chamber in the dust proof chamber.
In the above embodiment, referring to fig. 1, the dust-proof room further includes an electric skylight 4 disposed on a top cover of the dust-proof room, a window of the electric skylight 4 is opposite to the GIS accommodating groove on the bottom plate of the dust-proof room, and a driving motor of the electric skylight 4 is electrically connected to a power box of the power supply lighting system. For example, the electric skylight 4 may be an electric rotary skylight or an electric translational skylight, and the corresponding working principle is mainly that a motor is used to drive the skylight to rotate or translate, so as to adjust the opening degree of the window; the driving of the motor can be controlled by remote control. When the weight of the GIS equipment needing to be installed or replaced is larger than the hoisting load of the hoisting travelling crane, the electric skylight 4 is controlled to be opened, so that the lifting hook of the crane outside the dust-proof room can extend into the dust-proof room, and the GIS equipment with various weights can be hoisted conveniently.
It should be added that, a reinforcing structure, such as a supporting plate or a protective cover, should be arranged around the power sunroof 4, so that after the power sunroof 4 is opened, the power sunroof 4 can be prevented from being deformed due to the hoisting of the GIS equipment by a crane outside the dust-proof room through the reinforcing structure, thereby ensuring that the power sunroof 4 is reliably used.
In the above embodiment, the environment control system for regulating and controlling the installation of the GIS and maintaining the space environment may have various implementation forms. For example, referring to fig. 3, in the present embodiment, the environmental control system 7 includes an environmental monitoring device 71 for monitoring the environment of the space where the GIS is installed and maintained, and an air conditioning device 72 in signal connection with the environmental monitoring device; the environment monitoring device 71 comprises a dust degree monitor and a temperature and humidity sensor which are respectively arranged inside the dust-proof chamber main body 1; the air conditioning equipment 72 is arranged on the side wall or the bottom plate of the dust-proof chamber main body 1, and the air conditioning equipment 72 comprises a fresh air conditioning unit which is respectively in signal connection with a dust degree monitor and a temperature and humidity sensor. Of course, other cleaning devices such as a vacuum cleaner may be provided in the dust chamber.
The dust degree monitor can measure the quantity of dust of 0.5um, 1.0um, 5.0um and the like in a GIS installation and maintenance space in real time, and the temperature and humidity sensor can measure the temperature and humidity in the GIS installation and maintenance space in real time; the fresh air conditioning unit can effectively regulate and control the environment in the GIS installation and maintenance space according to the monitoring information transmitted by the dust degree monitor and the temperature and humidity sensor, for example, dust with the particle diameter of more than or equal to 0.5um and the like in the GIS installation and maintenance space is controlled, so that various environmental indexes in the GIS installation and maintenance space can meet the operation requirements of GIS installation and maintenance. In addition, for the convenience of installation and control environmental control system and reduce the space occupation of environmental control system in the dust guard chamber, above-mentioned dust degree monitor and temperature and humidity sensor can with the integrative integration of fresh air conditioning unit.
It needs to supplement that above-mentioned environmental control system can also include the monitoring display device with dust degree monitor and temperature and humidity sensor signal connection respectively to make things convenient for the operation personnel in time to know each item environmental index in GIS installation and the maintenance space. Moreover, the display information of the monitoring display device can be remotely transmitted to other wireless display equipment outside the dust-proof room, such as a mobile phone, so that other related personnel outside the dust-proof room can also know various environmental indexes in the GIS installation and maintenance space in real time, the interference of the excessive personnel entering the dust-proof room to the environment of the GIS installation and maintenance space is avoided, and the field safety quality control effect of installing or maintaining the GIS is favorably improved.
It is worth mentioning that, in the dust-proof room for GIS installation and maintenance provided in the above embodiments, the power supply illumination system includes a power box and an illumination device electrically connected to the power box. Wherein the content of the first and second substances,
the power box adopts a box-type structure and can be usually arranged on the side wall of the dustproof chamber or the bottom plate of the dustproof chamber main body; and the power box is respectively and electrically connected with the hoisting travelling crane and the environment control system, and can respectively supply power to the hoisting travelling crane and the environment control system in a self-powered mode and/or an external power supply mode. When the power supply box adopts the mode of external power supply, an external power supply interface is arranged on the side wall of the dustproof chamber close to the power supply box, so that the power supply box can be electrically connected with an external power supply cable on the basis of dust prevention.
The lighting equipment is generally arranged on the dust-proof room top cover of the dust-proof room main body, and a plurality of groups of LED energy-saving lamps can be selected. The illumination equipment is utilized to provide all-weather illumination for GIS installation and maintenance space, and can facilitate all-weather operation of operators, thereby shortening the total time of power failure caused by GIS installation or maintenance and contributing to reducing the economic loss caused by power failure of the power system.
It should be noted that the GIS belongs to extra-high voltage equipment, and in the process of installing or maintaining the GIS, in order to reduce the operation risk of operating personnel, the dust-proof chamber further comprises a main grounding end arranged outside the dust-proof chamber main body and a plurality of sub grounding ends arranged inside the dust-proof chamber main body, and the plurality of sub grounding ends are respectively connected with the main grounding end. In specific implementation, the embodiment adopts a mode of 'one-point access and centralized arrangement', and a general grounding end is usually arranged on the outer side of the side wall of the dustproof chamber and is used for being connected with a ground grid of a transformer substation; and a plurality of sub-grounding ends connected with the main grounding end are arranged at the inner side of the side wall of the dust-proof room in a centralized way and are distributed and used according to the use function of each power device in the dust-proof room. Of course, the number of the sub-grounds is usually larger than the number of the existing power devices inside the clean room, that is, each sub-ground includes a reserved spare sub-ground for the use of time.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only for the purpose of illustrating the structural relationship and principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A transformer substation GIS field construction protection system comprises a dust chamber main body which can be carried to a GIS installation and maintenance point, wherein the dust chamber main body is provided with a GIS installation port, a detachable sealing curtain is arranged at the GIS installation port, and the sealing curtain and the dust chamber main body form a closed GIS installation and maintenance space; the dust-proof chamber comprises a dust-proof chamber main body, a plurality of lifting lugs, a lifting travelling crane, an environment control system and a power supply and illumination system, wherein the lifting lugs are arranged outside the dust-proof chamber main body, the lifting travelling crane is used for lifting a GIS (geographic information System), the environment control system is used for regulating and controlling the environment of a GIS installation and maintenance space, and the power supply and illumination system is used for supplying power to the lifting travelling crane and the environment control system and providing illumination for; the dust chamber is characterized in that lifting hydraulic legs are arranged on the side face of the dust chamber main body and can respectively and independently control the lifting height of the lifting hydraulic legs, inflatable flexible cushions are arranged at the edges of the periphery of the bottom edge of the dust chamber main body, the interior of each flexible cushion is divided into a plurality of independent inflatable areas, and an inflating device for inflating the flexible cushions is arranged in the dust chamber main body.
2. The substation GIS site construction protection system of claim 1, wherein the dust chamber further comprises a main ground disposed outside the dust chamber body, and a plurality of sub-grounds disposed inside the dust chamber body; the plurality of sub-grounds are respectively connected to the main ground.
3. The substation GIS site operation protection system of claim 1, wherein the dust chamber body comprises a box truss;
the top of the box type truss is provided with a dust-proof chamber top cover; the outer side of the dust-proof chamber top cover is provided with a plurality of lifting lugs, and the inner side of the dust-proof chamber top cover is provided with the hoisting travelling crane;
a dustproof chamber bottom plate is arranged at the bottom of the box-type truss, and a GIS accommodating groove is formed in the dustproof chamber bottom plate;
four side parts of the box-type truss, which are positioned between the top and the bottom, are respectively provided with dustproof chamber side walls, wherein the two dustproof chamber side walls which are vertical to the GIS trend are respectively provided with a GIS arranging opening; and a dustproof room airtight door is arranged on the side wall of the dustproof room, which is parallel to the GIS trend and connected with the bottom plate of the dustproof room.
4. The substation GIS field construction protection system according to claim 3, wherein a wind shower arranged adjacent to the dust-proof room airtight door is further arranged on the dust-proof room bottom plate.
5. The substation GIS field construction protection system according to claim 3, wherein the dust chamber further comprises an electric skylight arranged on a top cover of the dust chamber, a window of the electric skylight is opposite to the GIS accommodating groove on the bottom plate of the dust chamber, and the electric skylight is electrically connected with a power box of the power supply and illumination system.
6. The substation GIS site operation protection system of claim 3, wherein the box truss, the clean room top cover, the clean room floor, and the clean room sidewall are of unitary construction.
7. The substation GIS field construction protection system according to any one of claims 1-6, wherein the environment control system comprises an environment monitoring device for monitoring the environment of the GIS installation and maintenance space, and an air conditioning device in signal connection with the environment monitoring device; wherein the content of the first and second substances,
the environment monitoring equipment comprises a dust degree monitor and a temperature and humidity sensor which are respectively arranged in the dust-proof chamber main body;
the air conditioning equipment is arranged on the dust-proof room side wall or the dust-proof room bottom plate of the dust-proof room main body, and the air conditioning equipment comprises a fresh air conditioning unit which is respectively in signal connection with the dust degree monitor and the temperature and humidity sensor.
8. The substation GIS field construction protection system according to any one of claims 1-6, wherein the power supply lighting system comprises a power box and a lighting device electrically connected with the power box;
the power box is arranged on the side wall or the bottom plate of the dust-proof chamber main body and is respectively and electrically connected with the hoisting travelling crane and the environment control system;
the lighting device is arranged on a dust-proof room top cover of the dust-proof room main body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910975399.8A CN110676734A (en) | 2019-10-14 | 2019-10-14 | GIS (gas insulated switchgear) field construction protection system of transformer substation |
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| CN201910975399.8A CN110676734A (en) | 2019-10-14 | 2019-10-14 | GIS (gas insulated switchgear) field construction protection system of transformer substation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152095A (en) * | 2020-08-25 | 2020-12-29 | 国网河北省电力有限公司建设公司 | Movable combined dustproof cabinet for GIS combined electrical apparatus and assembling method thereof |
| CN113377142A (en) * | 2021-06-16 | 2021-09-10 | 江苏省送变电有限公司 | GIS dust-proof room environment control system and method thereof |
-
2019
- 2019-10-14 CN CN201910975399.8A patent/CN110676734A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152095A (en) * | 2020-08-25 | 2020-12-29 | 国网河北省电力有限公司建设公司 | Movable combined dustproof cabinet for GIS combined electrical apparatus and assembling method thereof |
| CN113377142A (en) * | 2021-06-16 | 2021-09-10 | 江苏省送变电有限公司 | GIS dust-proof room environment control system and method thereof |
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