CN219871615U - SF6 insulation simulation device - Google Patents
SF6 insulation simulation device Download PDFInfo
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- CN219871615U CN219871615U CN202320836507.5U CN202320836507U CN219871615U CN 219871615 U CN219871615 U CN 219871615U CN 202320836507 U CN202320836507 U CN 202320836507U CN 219871615 U CN219871615 U CN 219871615U
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- air chamber
- simulation
- insulation
- simulation device
- air
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- 238000004088 simulation Methods 0.000 title claims abstract description 69
- 238000009413 insulation Methods 0.000 title claims abstract description 50
- 239000010963 304 stainless steel Substances 0.000 claims description 4
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910000974 2014 aluminium alloy Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses an SF6 insulation simulation device, which comprises a simulation air chamber, a pointer SF6 density relay, a three-way valve, a digital vacuum meter, a two-way shutoff valve, a movable bracket, an air charging connector and a plurality of reserved openings, wherein the two-way shutoff valve is arranged on the movable bracket; the simulation air chamber is arranged on the movable bracket and is used for storing SF6 gas; the pointer SF6 density relay is connected with the simulation air chamber through the three-way valve and is used for detecting SF6 gas density; the digital vacuum meter is connected with the analog air chamber through the two-way shutoff valve and is used for detecting the air pressure in the analog air chamber; the air charging connector and the reserved openings are arranged on the side part of the simulation air chamber. According to the SF6 insulation simulation device provided by the embodiment of the utility model, a specific device structure is designed, and a simulation training device is provided for each maintenance staff, so that the autonomous maintenance capacity and the fault emergency treatment capacity of the maintenance staff can be rapidly improved.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to an SF6 insulation simulation device.
Background
SF6 is widely applied to various high-voltage-class electrical equipment as an insulating medium, and the maintenance and test work of SF6 gas insulating equipment is an important condition for ensuring the safe and stable operation of a power system. In addition, the power equipment faults are rapidly processed, the power failure time is reduced, and the national economy development basis is also important.
The number of SF6 electrical equipment in the current DC center is large and the types are various, the operation of the electrical equipment is stable through statistics of fault conditions of the SF6 electrical equipment since two stations of operation, besides annual maintenance, the practical working opportunities such as field work and fault handling can be combined, but the proportion of young staff in the current DC operation and detection center is high, and the problems of relatively weak working ability and relatively insufficient experience exist; the training form is relatively single, the training is carried out only through daily lack elimination or annual maintenance period, the opportunities of actual manual exercise of team members are relatively small, and the difficulty of comprehensively mastering the relevant operation of SF6 gas of various devices is high.
Therefore, how to quickly improve the autonomous overhaul capacity and the fault emergency treatment capacity of the SF6 insulation equipment of the overhaul wholly personnel, ensure that each overhaul personnel comprehensively master the overhaul skill of each SF6 insulation equipment, and solve the technical problem to be solved urgently in front of the technicians in the field.
Disclosure of Invention
The utility model provides an SF6 insulation simulation device, which provides a simulation training device for each maintenance staff by designing the SF6 insulation simulation device, so that the autonomous maintenance capacity and the fault emergency treatment capacity of the maintenance staff can be rapidly improved.
In order to solve the technical problems, the embodiment of the utility model provides an SF6 insulation simulation device, which comprises a simulation air chamber, a pointer SF6 density relay, a three-way valve, a digital vacuum meter, a two-way shutoff valve, a movable bracket, an air charging connector and a plurality of reserved openings;
the simulation air chamber is arranged on the movable bracket and is used for storing SF6 gas;
the pointer SF6 density relay is connected with the simulation air chamber through the three-way valve and is used for detecting SF6 gas density;
the digital vacuum meter is connected with the analog air chamber through the two-way shutoff valve and is used for detecting the air pressure in the analog air chamber;
the air charging connector and the reserved openings are arranged on the side part of the simulation air chamber.
As one preferable scheme, the simulated air chamber is of a cylindrical structure made of 304 stainless steel.
As one preferable scheme, the diameter of the simulated air chamber is 670mm, and the height of the simulated air chamber is 956mm.
As one preferable scheme, the bottom of the movable bracket is provided with a plurality of rubber rollers.
As one preferable scheme, the simulated air chamber and the movable support are of an integrated structure.
As one preferable scheme, the movable support is provided with a first clamping piece matched with the outer edge of the simulation air chamber, and the simulation air chamber is clamped with the movable support through the first clamping piece.
As one preferable scheme, the measuring range of the pointer SF6 density relay is-0.1 MPa to 1MPa.
As one preferable scheme, the resolution of the digital vacuum meter is 10pa, and the measuring range is-2 MPa to 0.1MPa.
As one preferable scheme, the air charging connector is made of aluminum alloy with the surface subjected to anodic oxidation treatment.
As one preferable scheme, the number of the reserved openings is 4, and the 4 reserved openings and the air charging connectors are arranged at equal intervals on the side part of the simulation air chamber.
Compared with the prior art, the embodiment of the utility model has the beneficial effects that at least one of the following points is adopted:
(1) Through designing SF6 insulation simulation device, for every maintenance staff provides simulation trainer, do not relate to the electrical equipment body, do not influence the safe and stable operation of main equipment, avoided training maloperation to lead to the risk of equipment damage.
(2) The SF6 insulation simulation device can perform function expansion, and 4 plugs can be configured for plugging due to the fact that 4 reserved ports of M20 multiplied by 1.5 standard hole sites are arranged on the device, and other connectors can be conveniently added subsequently. For example, after the camera of the Shaoxing station and the converter station of the Qian pond river are put into operation, SF6 insulation equipment connectors with novel specifications can be newly added, so that corresponding SF6 insulation simulation devices do not need to be manufactured again, and the SF6 insulation simulation devices can be provided with training functions of novel SF6 insulation equipment only by adding corresponding connectors on reserved holes of the SF6 insulation simulation devices in the embodiment, and training cost is greatly reduced.
(3) The SF6 insulation simulation device can be used for daily training of direct current overhaul team members of an extra-high voltage direct current operation and detection center, and meanwhile, the device can also be used for fault emergency exercise of SF6 insulation equipment, and the number of types of joints which can be set is multiple and the design is relatively flexible; all operations do not involve the equipment body, the safe and stable operation of the main equipment is not affected, and the risk of equipment damage caused by misoperation in training is avoided; the device has relatively low cost, good effect and extremely high application economic value.
Drawings
FIG. 1 is a schematic diagram of an SF6 insulation simulation apparatus in one embodiment of the present utility model;
reference numerals:
1, simulating an air chamber; 2. pointer SF6 density relay; 3. a three-way valve; 4. a digital vacuum gauge; 5. a two-way shutoff valve; 6. a movable support; 7. a gas charging connector; 8. and (5) reserving a port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and the like are used herein for descriptive purposes only and not to indicate or imply that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless defined otherwise. The terminology used in the description of the present utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model, as the particular meaning of the terms described above in the present utility model will be understood to those of ordinary skill in the art in the detailed description of the utility model.
An embodiment of the present utility model provides an SF6 insulation simulation device, specifically, please refer to fig. 1, fig. 1 shows a schematic structural diagram of an SF6 insulation simulation device in one embodiment of the present utility model, which includes a simulation air chamber 1, a pointer type SF6 density relay 2, a three-way valve 3, a digital vacuum gauge 4, a two-way shutoff valve 5, a movable bracket 6, an air charging connector 7 and a plurality of reserved openings 8;
the simulation air chamber 1 is arranged on the movable bracket 6 and is used for storing SF6 gas; the pointer SF6 density relay 2 is connected with the simulation air chamber 1 through the three-way valve 3 and is used for detecting SF6 gas density; the digital vacuum gauge 4 is connected with the analog air chamber 1 through the two-way shutoff valve 5 and is used for detecting the air pressure in the analog air chamber; the air charging connector 7 and a plurality of reserved openings 8 are arranged on the side part of the simulation air chamber 1.
It should be noted that, according to the functional requirement, the embodiment of the utility model designs the SF6 insulation simulation device into the above structure. Specifically, for the simulated air chamber 1, the requirements of good shape bearing pressure performance (500 Pa-1MPa can be borne), high material strength, difficult corrosion, good tightness, light material weight, low price, small volume and attractive appearance are required to be ensured, and preferably, the simulated air chamber is of a cylindrical structure made of 304 stainless steel. The comparison of 304 stainless steel and other materials such as 2014 aluminum alloy is shown in the table below.
Furthermore, the design of the dimensions of the simulated air chamber 1 also needs to be determined in combination with practical training requirements, preferably the simulated air chamber 1 has a diameter of 670mm and a height of 956mm. Of course, in addition to the above-mentioned dimensional design, the simulated air chamber 1 may be designed to have a side diameter of 700mm, a length of 1000mm, and a wall thickness of 8mm, which is not particularly limited herein.
In order to improve the convenience of the SF6 insulation simulation device, preferably, a plurality of rubber rollers are arranged at the bottom of the moving bracket 6.
For the integral structure, the simulated air chamber 1 and the movable support 6 may be an integral structure. In addition, a first clamping piece matched with the outer edge of the simulation air chamber 1 may be arranged on the movable support 6, so that the simulation air chamber 1 is clamped with the movable support 6 through the first clamping piece. The different structural designs need to consider the disassembly and convenience of the product, and are not described in detail herein.
The measuring range of the pointer SF6 density relay 2 is preferably-0.1 MPa to 1MPa, and the corresponding parameters of the relay are consistent with the gas chamber marking parameters of the GIS chamber breaker.
The resolution of the digital vacuum meter 4 is preferably 10pa, and the measuring range is preferably-2 MPa to 0.1MPa. The digital vacuum gauge 4 may be provided with a manual shut-off valve which may be opened manually at a device pressure of <0.2bar, and the digital vacuum gauge 4 may be turned on to allow the device to be evacuated. The shut-off valve must be manually shut off at a device pressure >0.2bar to prevent damage to the vacuum gauge.
For the air charging and taking connector 7, the connector is made of aluminum alloy, the surface is anodized, the number of the reserved openings 8 is preferably 4, and the 4 reserved openings 8 and the air charging and taking connector 7 are arranged at equal intervals on the side part of the simulation air chamber 1. Of course, the specification of the reserved opening 8 can be M20×1.5 standard hole sites, and space is provided for subsequent function expansion.
The SF6 insulation simulation device provided by the embodiment of the utility model is suitable for simulation training of various maintenance projects, including SF6 gas recovery, equipment vacuumizing, equipment inflation or air supplement, SF6 gas humidity detection, SF6 gas component purity analysis, SF6 density relay on-line verification and tightness detection.
For SF6 gas recovery, firstly, selecting a connector corresponding to on-site SF6 insulation equipment on a device; then connecting the device with an air duct through an adapter; connecting the air duct with an SF6 comprehensive gas recycling device; and finally, starting an SF6 comprehensive gas recycling device to recycle SF6 gas.
For equipment vacuumizing, firstly selecting a connector corresponding to field SF6 insulation equipment on a device; then connecting the device with an air duct through an adapter; then closing the SF6 density relay three-way valve, and opening the shutoff valve of the vacuum meter; connecting the air duct with a vacuum pump; and finally, starting a vacuum pump to vacuumize.
For equipment inflation or air supplement, firstly, selecting a connector corresponding to on-site SF6 insulation equipment on a device; then connecting the device with an air duct through an adapter; connecting the air duct with an air charging device; then closing a shutoff valve of the vacuum gauge and opening a three-way valve of the SF6 density relay; and finally, starting the air charging device to supplement air.
For SF6 gas humidity detection, firstly selecting a connector corresponding to on-site SF6 insulation equipment on a device; then connecting the equipment with a dew point meter through an adapter; and finally, starting a dew point meter for measurement.
For purity analysis of SF6 gas components, firstly, selecting a connector corresponding to on-site SF6 insulation equipment on a device; then connecting the equipment with an SF6 decomposition product tester through an adapter; and finally, starting an SF6 decomposition product tester for measurement.
For on-line verification of the SF6 density relay, firstly, closing the three-way valve of the SF6 density relay; and then connecting a standard SF6 pressure gauge at the outlet check valve of the three-way valve to carry out density relay verification.
For tightness detection, an infrared imager or a leak detector can be used for leak detection of each sealing part of the SF6 practical training device.
The SF6 insulation simulation device provided by the embodiment of the utility model has the beneficial effects that at least one point of the following is:
(1) Through designing SF6 insulation simulation device, for every maintenance staff provides simulation trainer, do not relate to the electrical equipment body, do not influence the safe and stable operation of main equipment, avoided training maloperation to lead to the risk of equipment damage.
(2) The SF6 insulation simulation device can perform function expansion, and 4 plugs can be configured for plugging due to the fact that 4 reserved ports of M20 multiplied by 1.5 standard hole sites are arranged on the device, and other connectors can be conveniently added subsequently. For example, after the camera of the Shaoxing station and the converter station of the Qian pond river are put into operation, SF6 insulation equipment connectors with novel specifications can be newly added, so that corresponding SF6 insulation simulation devices do not need to be manufactured again, and the SF6 insulation simulation devices can be provided with training functions of novel SF6 insulation equipment only by adding corresponding connectors on reserved holes of the SF6 insulation simulation devices in the embodiment, and training cost is greatly reduced.
(3) The SF6 insulation simulation device can be used for daily training of direct current overhaul team members of an extra-high voltage direct current operation and detection center, and meanwhile, the device can also be used for fault emergency exercise of SF6 insulation equipment, and the number of types of joints which can be set is multiple and the design is relatively flexible; all operations do not involve the equipment body, the safe and stable operation of the main equipment is not affected, and the risk of equipment damage caused by misoperation in training is avoided; the device has relatively low cost, good effect and extremely high application economic value.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The SF6 insulation simulation device is characterized by comprising a simulation air chamber, a pointer SF6 density relay, a three-way valve, a digital vacuum meter, a two-way shutoff valve, a movable bracket, an air charging connector and a plurality of reserved openings;
the simulation air chamber is arranged on the movable bracket and is used for storing SF6 gas;
the pointer SF6 density relay is connected with the simulation air chamber through the three-way valve and is used for detecting SF6 gas density;
the digital vacuum meter is connected with the analog air chamber through the two-way shutoff valve and is used for detecting the air pressure in the analog air chamber;
the air charging connector and the reserved openings are arranged on the side part of the simulation air chamber.
2. The SF6 insulation simulation device of claim 1, wherein the simulation air chamber is a cylindrical structure of 304 stainless steel.
3. The SF6 insulation simulation device of claim 2, wherein the simulated air chamber has a diameter of 670mm and a height of 956mm.
4. The SF6 insulation simulation device of claim 1, wherein the bottom of the mobile support is provided with a number of rubber rollers.
5. The SF6 insulation simulation device of claim 1, wherein the simulation air chamber and the moving bracket are of an integrally formed structure.
6. The SF6 insulation simulation device of claim 1, wherein the movable bracket is provided with a first clamping piece matched with the outer edge of the simulation air chamber, and the simulation air chamber is clamped with the movable bracket through the first clamping piece.
7. The SF6 insulation simulation device of claim 1, wherein the range of the pointer type SF6 density relay is-0.1 MPa to 1MPa.
8. The SF6 insulation simulation device of claim 1, wherein the resolution of the digital vacuum meter is 10pa and the measuring range is-2 MPa to 0.1MPa.
9. The SF6 insulation simulation device of claim 1, wherein the gas-filled joint is an aluminum alloy material with anodized surfaces.
10. The SF6 insulation simulation device of claim 1, wherein the number of the reserved openings is 4, and the 4 reserved openings and the air charging connector are arranged at equal intervals at the side part of the simulation air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320836507.5U CN219871615U (en) | 2023-04-13 | 2023-04-13 | SF6 insulation simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320836507.5U CN219871615U (en) | 2023-04-13 | 2023-04-13 | SF6 insulation simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871615U true CN219871615U (en) | 2023-10-20 |
Family
ID=88324613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320836507.5U Active CN219871615U (en) | 2023-04-13 | 2023-04-13 | SF6 insulation simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871615U (en) |
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2023
- 2023-04-13 CN CN202320836507.5U patent/CN219871615U/en active Active
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