CN220061456U - Auxiliary platform for vacuumizing and inflating SF6 gas insulation equipment - Google Patents
Auxiliary platform for vacuumizing and inflating SF6 gas insulation equipment Download PDFInfo
- Publication number
- CN220061456U CN220061456U CN202321641279.2U CN202321641279U CN220061456U CN 220061456 U CN220061456 U CN 220061456U CN 202321641279 U CN202321641279 U CN 202321641279U CN 220061456 U CN220061456 U CN 220061456U
- Authority
- CN
- China
- Prior art keywords
- gas
- auxiliary platform
- equipment
- main body
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 229910018503 SF6 Inorganic materials 0.000 claims description 10
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 10
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 105
- 238000011084 recovery Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 5
- 238000009489 vacuum treatment Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses an SF 6 The auxiliary platform comprises an auxiliary platform main body, wherein a plurality of inflation interfaces are arranged on the front surface of the auxiliary platform main body, and a plurality of insulation devices are arranged on the back surface of the auxiliary platform main bodyThe air preparation chamber interfaces are correspondingly connected with an air chamber interface of the insulating equipment through air transmission pipelines; the front of the auxiliary platform main body is provided with a vacuumizing self-sealing interface, a plurality of air chamber interfaces of the insulating equipment are communicated with the vacuumizing self-sealing interface through air pipelines, and a three-way valve is arranged at the junction of the air pipelines connected with the air chamber interfaces of the insulating equipment and the vacuumizing self-sealing interface. The utility model can simultaneously perform a plurality of insulating equipment air chambers SF 6 The development of the work of vacuumizing, inflating and recycling the gas, the three-stage branch pipelines connected by a plurality of interfaces of the auxiliary platform are all independent air pressure pipelines, and the air chamber SF of the insulating equipment can be carried out according to the field condition 6 And carrying out single or three works of vacuumizing, inflating and recycling the gas.
Description
Technical Field
The utility model relates to the technical field of electric equipment insulation, in particular to an SF (sulfur hexafluoride) 6 And (5) an auxiliary platform for vacuumizing and inflating the gas insulation equipment.
Background
Sulfur hexafluoride, an inorganic compound with chemical formula SF 6 Is colorless, odorless, nontoxic, incombustible stable gas at room temperature and pressure, and has a density of 6.0886kg/m at 20deg.C and 0.1MPa 3 About 5 times the air density, SF 6 The molecular structure is octahedral arrangement, the bonding distance is small, the bonding energy is high, so that the stability is high, and the molecular structure is similar to the compatibility of electrical structural materials and nitrogen when the temperature is not more than 180 ℃. SF (sulfur hexafluoride) 6 The gas has the characteristics of high insulating strength, high arc extinguishing capability, stable performance and the like, and is widely applied to power equipment such as transformers, circuit breakers, transformers, high-voltage bushings, closed combined electrical equipment and the like in a power system. Due to higher installation process requirements and SF in operation 6 Manufacturing process of gas insulation equipment, ageing of sealing elements, equipment maintenance, faults and replacement problems, and SF is required to be treated 6 SF for gas insulated equipment 6 Gas recovery, vacuumizing, inflation and other works are carried out.
SF 6 The gas is colorless, odorless, nontoxic and nonflammable, but SF is discharged in the atmosphere 6 The service life of the gas is about 3400 years, sulfur dioxide and hydrofluoric acid which are one of greenhouse gases are decomposed under the action of high-temperature arc discharge, and the toxic gases not only can corrode equipment, but also can cause serious harm to human bodies once leakage occurs.
At present, SF 6 The gas insulation device can only pass through SF one by one air chamber in the gas recovery, vacuumizing and inflating processes 6 The recovery device is operated, the working efficiency is low, the personnel configuration is large, the site operation is tedious, complex, time-consuming and labor-consuming, and safety risks exist. The utility model patent with the application number of 202022267237.X discloses a novel foodMobile SF 6 The technical scheme is that the inflation tool comprises: opening a ball valve III, closing the ball valve I and the ball valve II, opening a vacuum unit to vacuumize the valve side sleeve I and the valve side sleeve II, closing the ball valve III after the vacuum degree of the valve side sleeve I and the valve side sleeve II meets the process requirement, and connecting a wire joint I to an SF through a metal hose III 6 Opening the ball valve II, filling SF into the valve side sleeve I and the valve side sleeve II 6 The gas is filled until the first valve side sleeve and the second valve side sleeve are required to be pressurized. The beneficial effects are that: simple structure, high efficiency, small volume, portability and convenient carrying and operation through the travelling car, and can meet the requirement of simultaneously vacuumizing and SF (sulfur hexafluoride) filling of two valve side sleeves of the converter transformer 6 And (3) gas. The technical scheme of the patent also has the following problems:
1、SF 6 the gas recovery, vacuum pumping and inflation work can only be operated one by one insulating equipment air chamber, and one insulating equipment air chamber SF 6 The gas recovery, vacuumizing and inflating work can only be performed singly, so that the time and the labor are consumed, and the work efficiency is low.
2. Recovered SF 6 The gas is discharged from the tower-type joint, which has potential harm to the greenhouse effect and damages the atmosphere.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defects in the prior art and provide an SF 6 And (5) an auxiliary platform for vacuumizing and inflating the gas insulation equipment.
The utility model is realized by the following technical scheme:
SF (sulfur hexafluoride) 6 An auxiliary platform for evacuating and inflating a gas-insulated apparatus, comprising:
an auxiliary platform body (1);
a plurality of air charging interfaces (2) which are arranged on the front surface of the auxiliary platform main body (1) and are used for connecting SF 6 A gas cylinder (7);
the insulation equipment air chamber interfaces (3) are arranged on the back of the auxiliary platform main body (1) and are used for connecting air chambers of insulation equipment (8);
the vacuumizing self-sealing interface (4) is arranged on the front surface of the auxiliary platform main body (1) and is used for connecting vacuumizing equipment (9);
wherein, every inflation interface (2) is connected an insulating equipment air chamber interface (3) through gas transmission pipeline (5) correspondence, and several insulating equipment air chamber interface (3) are through gas transmission pipeline (5) intercommunication evacuation self-sealing interface (4), and the gas transmission pipeline (5) junction that inflation interface (2), insulating equipment air chamber interface (3) and evacuation self-sealing interface (4) are connected is provided with three-way valve (51).
Still further scheme is, be provided with several solenoid valve (55), several pressure switch (56) and several intelligent vacuum gauge (57) on several gas-supply pipeline (5) between evacuation self-sealing interface (4) and three-way valve (51), wherein, display (571) of intelligent vacuum gauge (57) sets up in auxiliary platform main part (1) openly.
Further proposal is that an SF is arranged on the gas transmission pipeline (5) between the gas charging interface (2) and the three-way valve (51) 6 A gas filter (58).
The auxiliary platform is characterized in that a power control box (6) is arranged on the front face of the auxiliary platform main body (1), and a power lock (61), a plurality of electromagnetic valve control buttons (62), a vacuum gauge control button (63), a plurality of electromagnetic valve power lamps (64) and a vacuum gauge power lamp (65) are arranged on the power control box (6).
In a further scheme, the electromagnetic valve control buttons (62) are respectively and electrically connected with the electromagnetic valves (55), the electromagnetic valve power lamps (64) are respectively and electrically connected with the electromagnetic valves (55), and the vacuum gauge control buttons (63), the vacuum gauge power lamps (65) and the intelligent vacuum gauges (57).
In a further scheme, the lower part of the auxiliary platform main body (1) is provided with a storage layer (11).
In a further scheme, at least one side of the auxiliary platform main body (1) is provided with a cabinet door (12), and a panel of the cabinet door (12) is made of transparent materials.
In a further scheme, four edges on two sides of the auxiliary platform main body (1) are respectively provided with a hoisting hook (13).
In a further scheme, the four corners of the bottom of the auxiliary platform main body (1) are provided with moving devices (14).
The working principle of the utility model is as follows:
the utility model uses a plurality of inflation interfaces (2), a plurality of insulation equipment air chamber interfaces (3) and a vacuumizing self-sealing interface (4) which are arranged in front and behind an auxiliary platform main body (1) to be connected with SF separately 6 Gas cylinder (7), insulating device (8), vacuum device (9) and SF 6 A gas recovery device; the inflating interfaces (2) are correspondingly connected with the middle sections of three-stage branch pipelines 54 at the tail parts of the air chamber interfaces (3) of the insulating equipment one by one, and SF is realized 6 The gas cylinders (7) are correspondingly connected with different numbers of inflation interfaces (2) to realize SF of a single insulating device (8) or a plurality of insulating devices (8) 6 Inflating; the air chamber interfaces (3) of a plurality of insulating devices are gradually gathered and connected with the vacuumizing self-sealing interface (4), the branch pipelines between the air chamber interfaces (3) of the insulating devices and the vacuumizing self-sealing interface (4) are respectively controlled to be opened and closed by the electromagnetic valve (55) and the pressure switch (56), and the air chamber interfaces (3) of the insulating devices with different numbers and positions are opened to be connected with the vacuumizing self-sealing interface (4) by opening the different electromagnetic valves (55) and the pressure switch (56), so that the vacuumizing or SF of a single insulating device (8) or a plurality of insulating devices (8) is realized 6 And (5) gas recovery work.
SF 6 The auxiliary platform of the gas insulation equipment can be connected with different insulation equipment (8) through a plurality of air chamber interfaces (3) of the insulation equipment, and the vacuumizing self-sealing interface (4) is connected with a vacuum equipment (9) and SF (sulfur hexafluoride) 6 Gas recovery device, several inflating interfaces (2) are connected with SF 6 The gas cylinder (7) is branched and controlled by different gas pipelines (5) to respectively develop SF by a three-way valve (51), an electromagnetic valve (55) and a pressure switch (56) 6 Vacuum-pumping treatment and SF of gas-insulated equipment (8) 6 Gas charging, SF 6 Gas recovery work, or vacuum treatment, SF 6 Gas charging, SF 6 And (5) gas recovery work.
Compared with the prior art, the utility model has the beneficial effects that:
SF of the utility model 6 Vacuum treatment and SF of the air chamber of the gas insulation device (8) 6 Inflated SF 6 Auxiliary work of gas recovery can be carried out simultaneously for 12 SF 6 Gas-insulated equipment (8)) SF air chamber 6 The development of gas work, the three-stage branch pipelines (54) connected with the auxiliary platform 12 interfaces are independent pneumatic pipelines, and SF can be carried out according to the actual conditions on site 6 Vacuum treatment of gas chamber of gas-insulated equipment (8), SF 6 Inflated SF 6 The gas recovery method has the advantages of flexible and convenient operation, simple operation, high working efficiency, reduced investment of field workers, high working efficiency and guarantee of field SF 6 The work of the gas insulation equipment is completed smoothly.
The utility model has simple structure, convenient use and more convenient SF development 6 The gas work of the gas insulation equipment (8) ensures that the site work interface is clear, the work is safely and reliably completed, and the SF is ensured 6 Use of gas in power equipment reasonably avoids SF 6 The gas has influence on human body and environment, and the production and processing cost is low, so that the method can be used for large-scale production and use.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the auxiliary platform body with a cabinet door;
FIG. 3 is a schematic view of the structure of the back of the present utility model;
FIG. 4 is a front view of the present utility model;
FIG. 5 is a rear view of the present utility model;
FIG. 6 is a schematic diagram of a gas line according to the present utility model;
FIG. 7 is a schematic diagram of the connection of a gas line according to the present utility model;
FIG. 8 is a top view of the present utility model;
fig. 9 is a state diagram of the use of the present utility model.
Reference numerals in the drawings:
1-an auxiliary platform main body, 11-a storage layer, 12-a cabinet door, 13-a lifting hook and 14-a moving device;
2-an inflation interface;
3-insulating equipment air chamber interfaces;
4-vacuumizing a self-sealing interface;
the device comprises a 5-gas transmission pipeline, a 51-three-way valve, a 52-first-stage branch pipeline, a 53-second-stage branch pipeline, a 54-third-stage branch pipeline, a 55-electromagnetic valve, a 56-pressure switch, a 57-intelligent vacuum gauge, a 571-display and a 58-filter;
6-power control box, 61-power lock, 62-solenoid valve control button, 63-vacuum gauge control button, 64-solenoid valve power lamp and 65-vacuum gauge power lamp;
7-SF 6 a gas cylinder;
8-insulating devices;
9-vacuum apparatus.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the following detailed description is provided with reference to the accompanying drawings.
As shown in fig. 1-9, an SF 6 The auxiliary platform for vacuumizing and inflating the gas insulation equipment comprises an auxiliary platform main body 1, wherein a plurality of inflating interfaces 2 are arranged on the front surface of the auxiliary platform main body 1, a plurality of air chamber interfaces 3 of the gas insulation equipment are arranged on the back surface of the auxiliary platform main body 1, and each inflating interface 2 is correspondingly connected with one air chamber interface 3 of the gas insulation equipment through a gas transmission pipeline 5; the front of the auxiliary platform main body 1 is provided with a vacuumizing self-sealing interface 4, a plurality of air chamber interfaces 3 of the insulating equipment are communicated with the vacuumizing self-sealing interface 4 through an air transmission pipeline 5, and a three-way valve 51 is arranged at the junction of the air inflation interface 2, the air chamber interfaces 3 of the insulating equipment and the air transmission pipeline 5 connected with the vacuumizing self-sealing interface 4.
In some embodiments, as shown in fig. 1-7, the number of interfaces of the inflation interface 2 and the insulation plenum interface 3 is a multiple of 3, preferably 12.
In some embodiments, as shown in fig. 6 and 7, 12 gas pipelines 5 connected with 12 air chamber interfaces 3 of the insulating device and 12 gas pipelines 5 connected with 12 air charging interfaces 2 are three-stage branch pipelines 54, and the 12 three-stage branch pipelines 54 connected with the air charging interfaces 2 are respectively communicated with the middle sections of the 12 three-stage branch pipelines 54 connected with the air chamber interfaces 3 of the insulating device through three-way valves 51; every third of 12 tertiary branch pipelines 54 that insulating equipment air chamber interface 3 connects is assembled into a second grade branch pipeline 53, forms four second grade branch pipelines 54, and every second of four second grade branch pipelines 53 is assembled into a first grade branch pipeline 52, forms two first grade branch pipelines 52, and two first grade branch pipelines 52 communicate the evacuation self-sealing interface 4.
In some embodiments, as shown in fig. 6, 7 and 8, each primary branch pipe 52 is provided with a solenoid valve 55, each secondary branch pipe 53 is provided with a pressure switch 56 and an intelligent vacuum gauge 57, and a display 571 of the intelligent vacuum gauge 57 is arranged on the front surface of the auxiliary platform main body 1; a pressure switch 56 is provided on the three-stage branch pipe 54 between the three-way valve 51 and the two-stage branch pipe 53, and the pressure switch 56 controls the opening and closing of the internal gas transmission pipe 5 by manual operation.
In some embodiments, as shown in fig. 6, 7 and 8, an SF is provided on the gas line 5 between the inflation interface 2 and the three-way valve 51 6 Gas filter 58, SF 6 Gas filter 58 at SF 6 SF is carried out in the process of filling fresh air into the air chamber of the insulating equipment 8 6 The gas is filtered for the second time, so that the SF is prevented from being influenced by impurities and moisture entering the air chamber in the inflation process 6 Insulation properties of the gas-insulated device.
In some embodiments, as shown in fig. 4, the auxiliary platform body 1 is provided with a power control box 6 on the front, and a power lock 61, a plurality of solenoid valve control buttons 62, a vacuum gauge control button 63, a plurality of solenoid valve power lamps 64, and a vacuum gauge power lamp 65 are provided on the power control box 6.
In some embodiments, the power lock 61 is used to control the on-off of the circuit in the power control box 6, preventing other personnel from unauthorized use of the auxiliary platform, affecting the normal use and inspection maintenance of the insulating device 8.
In some embodiments, the electromagnetic valve control buttons 62 are respectively electrically connected with the electromagnetic valves 55, the electromagnetic valve control buttons 62 are used for controlling the opening and closing of the electromagnetic valves 55, the electromagnetic valve power lamps 64 are respectively electrically connected with the electromagnetic valves 55, the electromagnetic valve power lamps 64 are used for displaying whether the electromagnetic valves 55 are opened or not, the lamp is turned off, the lamp is turned on, and the operating personnel can know the working state of the electromagnetic valves 55 in time conveniently;
the vacuum gauge control button 63 and the vacuum gauge power supply lamp 65 are electrically connected with the plurality of intelligent vacuum gauges 57, the vacuum gauge control button 63 is used for controlling the opening and closing of the plurality of intelligent vacuum gauges 57, the vacuum gauge power supply lamp 65 is used for displaying whether the plurality of intelligent vacuum gauges 57 are opened, and the four intelligent vacuum gauges 57 are respectively used for monitoring the vacuum pressure values of the air transmission pipelines 5 and the pressure maintaining state in the standing process.
In some embodiments, as shown in fig. 4, two solenoid valve control buttons 62, a solenoid valve power lamp 64, and one vacuum gauge control button 63, a vacuum gauge power lamp 65 are provided on the power control box 6.
In some embodiments, as shown in fig. 9, the inflation interface 2 communicates with the SF via an auxiliary pressure conduit 6 The gas cylinder 7 is connected; the air chamber interface 3 of the insulating equipment is connected with the SF through an auxiliary pressure pipeline 6 The gas chambers of the gas insulation device 8 are connected; the vacuumized self-sealing interface 4 can be connected with a pipeline in the joint insertion state for docking a vacuum machine or SF 6 And a gas recovery device.
In some embodiments, as shown in fig. 1-5, the lower part of the auxiliary platform main body 1 is provided with a storage layer 11, and the storage layer 11 is of a frame structure, and has a large space for placing and connecting SF 6 Auxiliary pressure pipes of the gas cylinder 7, the insulating device 8 and the vacuum device 9, and objects such as auxiliary inflation connectors, tool boxes, operation instruction manuals, record report files and the like are placed.
In some embodiments, as shown in fig. 2 and 3, at least one side of the auxiliary platform main body 1 is provided with a cabinet door 12, so that an operator can conveniently open the cabinet door 12 for operation and maintenance while ensuring the tidy inner pipe of the auxiliary platform main body 1; the panel of the cabinet door 12 is made of transparent materials, so that operators can observe the conditions of the internal pipelines and the valves in the operation process of the auxiliary platform.
In some embodiments, as shown in fig. 1-5, a lifting hook 13 is respectively arranged on four edges on two sides of the auxiliary platform main body 1, so that the lifting and transportation processes of the auxiliary platform are convenient to fix.
In some embodiments, as shown in fig. 1-5, the moving device 14 is arranged at four corners of the bottom of the auxiliary platform main body 1, the moving device 14 is preferably provided with a universal wheel with a brake and a damping spring, so that the auxiliary platform can flexibly move in field work, and the placement position of the auxiliary platform can be locked by pressing the brake device of the universal wheel after the auxiliary platform reaches the use position; meanwhile, the damping springs in the universal wheels can effectively relieve vibration of air injection and vacuum air suction of the auxiliary platform in the moving process and the operating process.
The working mode of the utility model is as follows:
SF 6 the gas insulation equipment 8 is required to be vacuumized according to the rule requirement after the new equipment is installed and before the maintenance equipment air chamber is inflated, the auxiliary platform is connected with the vacuum equipment 9 through an auxiliary pressure pipe, the vacuum pressure is monitored in real time through an auxiliary platform intelligent vacuum gauge 57, an electromagnetic valve 55 is started after the critical value of the vacuum pressure is higher than the set critical value of the vacuum pressure, and SF is obtained 6 The vacuum degree of the air chamber of the gas insulation equipment is kept for the required standing time, and whether the tightness of the air chamber of the insulation equipment 8 meets the specified requirement is detected.
SF 6 The gas insulation equipment 8 performs SF after the vacuum standing time of the new equipment air chamber and the overhauling equipment air chamber meets the requirement of the regulations 6 Gas charging work, auxiliary platform charging interface 2 and SF 6 The gas cylinder 7 is connected through SF 6 The gas insulation device 8 monitors the inflation pressure value by a self-contained density relay pressure gauge, and completes the inflation work.
SF 6 The SF is needed for the maintenance work of the gas insulation equipment 8 6 SF (sulfur hexafluoride) when checking and replacing parts in gas insulation equipment 8 body 6 The gas can not be directly discharged to the outdoor, SF is needed 6 The gas is recycled, and the auxiliary platform is vacuumized and self-sealed with the SF (sulfur hexafluoride) interface 4 6 The recovery device is connected to finish SF 6 And (5) gas recovery work.
SF 6 When the gas insulation equipment 8 performs vacuumizing treatment, the auxiliary platform insulation equipment air chamber interface 3 is connected with SF through an auxiliary pressure pipeline 6 The air chamber of the gas insulation device 8 is connected, the three-way valve 51 corresponding to the gas transmission pipeline 5 is adjusted to a state that the air chamber interface 3 of the insulation device is communicated with the vacuumizing self-sealing interface 4, and then the corresponding three-stage branch pipeline is opened manually54 and the corresponding secondary branch pipeline 53, the vacuumizing self-sealing interface 4 is connected with a pressure pipeline of the vacuum equipment 9, and the pipeline loop is connected. The electric loop starts the vacuum equipment 9, turns on the power supply of the auxiliary platform power supply control box 6, then starts the vacuum gauge control button 63, and the intelligent vacuum gauge 57 performs SF 6 Monitoring the pressure value, finally starting the corresponding solenoid valve control button 62, opening the corresponding solenoid valve 55, and starting SF 6 And (5) vacuumizing the gas chamber of the gas insulation equipment.
SF 6 SF for gas insulation device 8 6 The air chamber interface 3 of the auxiliary platform insulating equipment is connected with SF through an auxiliary pressure pipeline during gas inflation work 6 The air chamber of the gas insulation device 8 is connected, the three-way valve 51 corresponding to the gas transmission pipeline 5 is adjusted to a state that the air chamber connector 3 of the insulation device is communicated with the inflation connector 2, the pressure switch 56 corresponding to the three-stage separation pipeline 54 is manually closed, and the inflation connector 2 is connected with the SF through an auxiliary pressure pipeline 6 The gas cylinder 7 is connected and then the SF is opened 6 SF valve pair of gas bottle 7 6 SF of gas chamber of gas insulation device 8 6 Inflation, the inflation pressure value can be obtained through SF 6 The gas-insulated device 8 gas cell density relay meter reads.
SF 6 SF for gas insulation device 8 6 Gas recovery work, the auxiliary platform insulating equipment air chamber interface 3 is connected with SF through an auxiliary pressure pipeline 6 The air chamber of the gas insulation device 8 is connected, the three-way valve 51 corresponding to the gas transmission pipeline 5 is regulated to a state that the air chamber connector 3 of the insulation device is communicated with the vacuumizing self-sealing connector 4, then the pressure switch 56 corresponding to the three-stage branch pipeline 54 and the pressure switch 56 corresponding to the two-stage branch pipeline 53 are manually opened, and the vacuumizing self-sealing connector 4 is in communication with the SF 6 The pressure pipeline of the gas recovery device is connected, and the pipeline loop is connected. In the electrical loop, SF is started 6 The gas recovery device is connected with the power supply of the auxiliary platform power supply control box 6, then the vacuum gauge control button 63 is started, and the intelligent vacuum gauge 57 performs SF 6 Monitoring the pressure value, finally starting the corresponding solenoid valve control button 62, opening the corresponding solenoid valve 55, and starting SF 6 SF for gas chamber of gas insulation equipment 6 And (5) gas recovery treatment.
SF 6 SF can be developed respectively by the auxiliary platform of the gas insulation equipment 6 Vacuum-pumping treatment of gas-insulated equipment 8, SF 6 Gas charging, SF 6 The gas recovery work can also simultaneously carry out vacuum treatment and SF 6 Gas charging, SF 6 The gas recovery work can be flexibly distributed and implemented according to the field environment.
It should be noted that the foregoing describes the technical solution of the present utility model in detail, and describes the principles of the present utility model, and the description of the above working principles is only used to help understand the core idea of the present utility model. It should be noted that it will be apparent to those skilled in the art that the present utility model may be modified and adapted without departing from the principles of the present utility model, and such modifications and adaptations are intended to be within the scope of the appended claims.
Modifications, additions, or substitutions to the described embodiments may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. SF (sulfur hexafluoride) 6 The auxiliary platform of gas-insulated equipment evacuation and aerifing, its characterized in that includes:
an auxiliary platform body (1);
a plurality of air charging interfaces (2) which are arranged on the front surface of the auxiliary platform main body (1) and are used for connecting SF 6 A gas cylinder (7);
the insulation equipment air chamber interfaces (3) are arranged on the back of the auxiliary platform main body (1) and are used for connecting air chambers of insulation equipment (8);
the vacuumizing self-sealing interface (4) is arranged on the front surface of the auxiliary platform main body (1) and is used for connecting vacuumizing equipment (9);
wherein, every inflation interface (2) is connected an insulating equipment air chamber interface (3) through gas transmission pipeline (5) correspondence, and several insulating equipment air chamber interface (3) are through gas transmission pipeline (5) intercommunication evacuation self-sealing interface (4), and the gas transmission pipeline (5) junction that inflation interface (2), insulating equipment air chamber interface (3) and evacuation self-sealing interface (4) are connected is provided with three-way valve (51).
2. The SF according to claim 1 6 The auxiliary platform of gas-insulated equipment evacuation and aerifing, its characterized in that: the device is characterized in that a plurality of electromagnetic valves (55), a plurality of pressure switches (56) and a plurality of intelligent vacuum meters (57) are arranged on a plurality of gas transmission pipelines (5) between the vacuumizing self-sealing interface (4) and the three-way valve (51), wherein a display (571) of the intelligent vacuum meters (57) is arranged on the front surface of the auxiliary platform main body (1).
3. The SF according to claim 1 6 The auxiliary platform of gas-insulated equipment evacuation and aerifing, its characterized in that: an SF is arranged on the gas transmission pipeline (5) between the inflation interface (2) and the three-way valve (51) 6 A gas filter (58).
4. The SF according to claim 2 6 The auxiliary platform of gas-insulated equipment evacuation and aerifing, its characterized in that: the auxiliary platform body (1) front be provided with power control box (6), be provided with power lock (61), several solenoid valve control button (62), vacuum gauge control button (63), several solenoid valve power lamp (64) and vacuum gauge power lamp (65) on power control box (6).
5. The SF of claim 4 6 The auxiliary platform of gas-insulated equipment evacuation and aerifing, its characterized in that: the electromagnetic valve control buttons (62) are respectively and electrically connected with the electromagnetic valves (55), the electromagnetic valve power lamps (64) are respectively and electrically connected with the electromagnetic valves (55), and the vacuum gauge control buttons (63), the vacuum gauge power lamps (65) and the intelligent vacuum gauges (57).
6. The SF according to claim 1 6 Vacuum and inflation for gas-insulated equipmentIs characterized in that: the lower part of the auxiliary platform main body (1) is provided with a storage layer (11).
7. The SF according to claim 1 6 The auxiliary platform of gas-insulated equipment evacuation and aerifing, its characterized in that: at least one side of the auxiliary platform main body (1) is provided with a cabinet door (12), and a panel of the cabinet door (12) is made of transparent materials.
8. The SF according to claim 1 6 The auxiliary platform of gas-insulated equipment evacuation and aerifing, its characterized in that: four edges on two sides of the auxiliary platform main body (1) are respectively provided with a hoisting hook (13).
9. The SF according to claim 1 6 The auxiliary platform of gas-insulated equipment evacuation and aerifing, its characterized in that: the four corners of the bottom of the auxiliary platform main body (1) are provided with moving devices (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321641279.2U CN220061456U (en) | 2023-06-27 | 2023-06-27 | Auxiliary platform for vacuumizing and inflating SF6 gas insulation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321641279.2U CN220061456U (en) | 2023-06-27 | 2023-06-27 | Auxiliary platform for vacuumizing and inflating SF6 gas insulation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220061456U true CN220061456U (en) | 2023-11-21 |
Family
ID=88767626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321641279.2U Active CN220061456U (en) | 2023-06-27 | 2023-06-27 | Auxiliary platform for vacuumizing and inflating SF6 gas insulation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220061456U (en) |
-
2023
- 2023-06-27 CN CN202321641279.2U patent/CN220061456U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207230153U (en) | A kind of full-automatic SF6 electrical equipment aerating devices | |
| CN110797791B (en) | Method for overhauling lower 500kVGIL tubular bus without accompanying shutdown | |
| CN207083338U (en) | A kind of intelligent positive-pressure explosion-proof switch board | |
| CN210608172U (en) | Safe type explosion-proof block terminal | |
| CN220061456U (en) | Auxiliary platform for vacuumizing and inflating SF6 gas insulation equipment | |
| CN210350707U (en) | Security protection intelligent network wiring case | |
| CN206727507U (en) | One kind is based on new energy booster stations modular transformer substation | |
| CN105429041A (en) | Air insulated high-voltage switch cabinet | |
| CN109268678B (en) | Inflatable recovery gas station of gas-insulated metal-enclosed switchgear and control method | |
| CN207183915U (en) | A kind of environmentally friendly gas-insulated inflatable ring main unit | |
| CN203180419U (en) | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear | |
| CN207225126U (en) | A kind of electrokinetic cell system interconnecting device | |
| CN216212744U (en) | Oil-gas pipeline of transformer capsule type oil conservator and oil injection system thereof | |
| CN206364435U (en) | GIS buses standby spacing does not have a power failure enlarging functional module | |
| CN205429558U (en) | SF6 looped netowrk cabinet online intelligent steady voltage system | |
| CN211320753U (en) | Aerify cabinet and keep apart grounding box and control circuit thereof | |
| CN203180421U (en) | Single-chamber environment-friendly gas-insulated metal-enclosed switchgear | |
| CN110778910A (en) | Portable full-automatic alarm air supplementing device and using method | |
| CN205304075U (en) | Air insulation high tension switchgear | |
| CN217281854U (en) | Online moisture adsorption device for sulfur hexafluoride gas of GIS device | |
| CN203193175U (en) | Lightning-protection double-case environmentally friendly gas-insulated metal-enclosed switchgear | |
| CN211010769U (en) | Portable full-automatic alarm air supplement unit | |
| CN103337798A (en) | Mining explosion-proof high-voltage vacuum power distribution device | |
| CN203180420U (en) | Environment-friendly gas-insulated metal-enclosed switchgear | |
| CN205429559U (en) | SF6 looped netowrk cabinet online intelligent pressure increasing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |