CN209198622U - A kind of SF6 density monitor calibration equipment - Google Patents
A kind of SF6 density monitor calibration equipment Download PDFInfo
- Publication number
- CN209198622U CN209198622U CN201821992872.0U CN201821992872U CN209198622U CN 209198622 U CN209198622 U CN 209198622U CN 201821992872 U CN201821992872 U CN 201821992872U CN 209198622 U CN209198622 U CN 209198622U
- Authority
- CN
- China
- Prior art keywords
- gas
- gas circuit
- density monitor
- circuit
- solenoid valve
- 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
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a kind of SF6 density monitor calibration equipments, comprising: SF6 gas cylinder, air pump, the first gas circuit, several second gas circuits, several third gas circuits, multi-path gas circuit patch row, electronic pressure gage, touch display, SF6 test apparatus, controller；SF6 gas cylinder is connected to by tracheae with air pump, and air pump is connected to by the first gas circuit with the air intake that multi-path gas circuit patches row, and several gas outlets that one end of the second gas circuit and one end of third gas circuit patch row with multi-path gas circuit respectively are connected to；Electronic pressure gage is connected to by tracheae with the first gas circuit, and touch display is connect with electronic pressure gage, and the other end of the second gas circuit is connect with the air circuit connection end of SF6 density monitor to be verified；The other end of third gas circuit is connected to SF6 test apparatus；Conventional SF6 density monitor verification can not only be carried out, and is able to carry out the technical effect of SF6 test.
Description
Technical field
The utility model relates to SF6 density monitors to verify field, and in particular, to a kind of SF6 density monitor verification
Device.
Background technique
Intelligentized substation's construction, the equipment that more and more substations use GIS (HGIS), SF6 density monitor are made
It is largely used for the important monitoring device of equipment major insulation.Carrying out verifying work is to guarantee SF6 density monitor warning function
The important evidence of accuracy.
Existing SF6 density monitor calibration equipment is merely able to verify SF6 density monitor, can not carry out other
Test, has a single function, can not carry out multiple tests simultaneously.
Utility model content
The utility model provides a kind of SF6 density monitor calibration equipment, can not only carry out conventional SF6 density after
Electric appliance verification, and it is able to carry out the technical effect of SF6 test.
To realize above-mentioned purpose of utility model, this application provides a kind of SF6 density monitor calibration equipment, described devices
Include:
SF6 gas cylinder, air pump, the first gas circuit, several second gas circuits, several third gas circuits, multi-path gas circuit patch row, electronics
Pressure gauge, touch display, SF6 test apparatus, controller；
SF6 gas cylinder is connected to by tracheae with air pump, and air pump patches the air intake of row by the first gas circuit and multi-path gas circuit
Several gas outlets that connection, one end of the second gas circuit and one end of third gas circuit patch row with multi-path gas circuit respectively are connected to；Electricity
Sub- pressure gauge is connected to by tracheae with the first gas circuit, and touch display is connect with electronic pressure gage, the other end of the second gas circuit and
The air circuit connection end of SF6 density monitor to be verified connects；The other end of third gas circuit is connected to SF6 test apparatus；First gas
Road is equipped with the first solenoid valve, and the second gas circuit is equipped with second solenoid valve, and third gas circuit is equipped with third solenoid valve, air pump, the
One solenoid valve, second solenoid valve, third solenoid valve are connect with controller.
Wherein, the principles of the present invention are as follows: when needing to carry out the verification of SF6 density monitor, then beaten by controller
Air pump and the first solenoid valve and second solenoid valve are opened, and closes third solenoid valve, SF6 gas is transmitted to by the first gas circuit
Multi-path gas circuit patches row, then SF6 density monitor to be detected is transmitted to by the second gas circuit, to SF6 density monitor
It is verified；When needing to carry out SF6 gas test, then air pump and the first solenoid valve and third electricity are opened by controller
Magnet valve, and second solenoid valve is closed, SF6 gas is transmitted to multi-path gas circuit by the first gas circuit and patches row, then passes through third
Gas circuit is transmitted to SF6 test apparatus, tests SF6 gas；Conventional SF6 density monitor verification can not only be carried out,
And it is able to carry out SF6 test.
Further, the circuit connecting end of SF6 density monitor is connect with the terminal block of secondary convergence control cabinet, controller and two
The terminal block of secondary convergence control cabinet connects.Under technical background originally, need to remove on SF6 density monitor secondary singal line, no
Only certain security risk, and part early stage SF6 density not can be carried out disassembly, cause scene that can not verify, this programme is based on
The secondary cable line number of winning the confidence, not only can be to avoid disconnecting secondary singal line bring security risk, and can be significantly reduced work
It measures, while the density monitor verification that part can not dismantle can be completed.Can use achievement makes other SF6 testers simultaneously
Shared test gas circuit, completes a connector, multiple pilot projects.
Further, described device further includes power supply and decompression chip, and power supply passes through decompression chip and SF6 density monitor
It is connected with controller, by being depressured chip, input 24V is transformed into 5V and 3.3V, 5V is relay power supply, and 3.3V is control core
Piece power supply.Decompression chip is conventional chip in the prior art.
Further, the multi-path gas circuit patches row and includes:
Rectangular body case, shell lower surface middle part are equipped with air intake, and upper surface of outer cover is uniformly provided with several gas outlets, shell
Interior is cavity-like, and air intake is connected to cavity with gas outlet.
Further, each gas outlet is equipped with the 4th solenoid valve, and the 4th solenoid valve is connect with controller.Pass through controller
It can control the opening and closing of the 4th solenoid valve, and then can be with the air-flow in accurate control device.
Further, traditional mode is to need to remove SF6 density monitor to take back laboratory and verify, this Shen
It please be that device is transported all scenes using transport vehicle to test, without removing SF6 density monitor, described device is also wrapped
Transport vehicle is included, transport case and aerating pump are fixed on the transport vehicle, SF6 gas storage tank, institute are fixed in the transport case
It states and is equipped with SF6 gas cylinder storing compartment in transport case, SF6 gas cylinder storing compartment is equipped with several size difference grooves, in each groove
The SF6 gas cylinder for having capacity different is stored, the SF6 gas cylinder on SF6 gas cylinder storing compartment is connected to by gas-adding pipe with aerating pump, aerating pump
It is connected to SF6 gas storage tank.Storage has the storage tank for being stored with a large amount of SF6 gases i.e. in transport vehicle, is stored by SF6 gas
Tank can be inflated multiple SF6 gas cylinders, and the gas content of each SF6 gas cylinder is different, and testing crew can be according to scene
Need flexibly determine wear gas cylinder type and quantity, avoid once carrying excessive SF6 gas cylinder, or carry it is less can not
It completes to examine, traditional SF6 gas cylinder is similar to existing liquefied pot bottle, and quality is larger, and it is not easy to be transported to scene and be tested,
And the SF6 gas for also having more than is needed so much is tested every time, therefore, the application is provided with such transport vehicle, can will be a large amount of
SF6 gas is stored tank and is placed onboard, and field test is gone only to need to wear the SF6 gas cylinder of respective volume every time, facilitates
It carries.
Further, it is additionally provided with three cylinders in the transport case, is respectively used to the first gas circuit, the second gas circuit, third gas
Road winding storage, is additionally provided with the second storing compartment in the transport case, for store multi-path gas circuit patch row, electronic pressure gage,
Touch display, SF6 test apparatus, controller.Facilitate gas circuit to be wrapped in above using cylinder, facilitates storage.
Further, air tightness detection equipment is additionally provided in the transport case.It can be to dress using air tightness detection equipment
Carry out air-leakage test is set, the accuracy examined convenient for control device.
Further, cleaning equipment is additionally provided in the transport case.It can be by device or tracheae or gas using cleaning equipment
Impurity in road is cleaned, and ensuring inspection test is normally carried out.
Further, the SF6 test apparatus includes SF6 moisture content tester, SF6 purity test instrument, the examination of SF6 decomposition product
Test instrument.SF6 test can be carried out using these testers.
One or more technical solution provided by the present application, has at least the following technical effects or advantages:
Conventional SF6 density monitor verification can not only be carried out, and is able to carry out the technical effect of SF6 test.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment；
Fig. 1 is the structural schematic diagram of SF6 density monitor calibration equipment in the application；
Fig. 2 is the structural schematic diagram that multi-path gas circuit patches row in the application；
Fig. 3 is the structural schematic diagram of transport vehicle in the application；
Fig. 4 is the structural schematic diagram of transport case in the application.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the case where not conflicting mutually,
Feature in embodiments herein and embodiment can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
It is novel to be implemented using other different from the other modes being described herein in range, therefore, the protection of the utility model
Range is not limited by the specific embodiments disclosed below.
Referring to FIG. 1, this application provides a kind of SF6 density monitor calibration equipment, described device includes:
SF6 gas cylinder 1, air pump 2, the first gas circuit 3, several second gas circuits 4, several third gas circuits 5, multi-path gas circuit patch row
6, electronic pressure gage 7, touch display 8, SF6 test apparatus 10, controller 9；
SF6 gas cylinder is connected to by tracheae with air pump, and air pump patches the air intake of row by the first gas circuit and multi-path gas circuit
Several gas outlets that connection, one end of the second gas circuit and one end of third gas circuit patch row with multi-path gas circuit respectively are connected to；Electricity
Sub- pressure gauge is connected to by tracheae with the first gas circuit, and touch display is connect with electronic pressure gage, the other end of the second gas circuit and
The air circuit connection end of SF6 density monitor 11 to be verified connects；The other end of third gas circuit is connected to SF6 test apparatus；First
Gas circuit be equipped with the first solenoid valve, the second gas circuit be equipped with second solenoid valve, third gas circuit be equipped with third solenoid valve, air pump,
First solenoid valve, second solenoid valve, third solenoid valve are connect with controller.
Wherein, the principles of the present invention are as follows: when needing to carry out the verification of SF6 density monitor, then beaten by controller
Air pump and the first solenoid valve and second solenoid valve are opened, and closes third solenoid valve, SF6 gas is transmitted to by the first gas circuit
Multi-path gas circuit patches row, then SF6 density monitor to be detected is transmitted to by the second gas circuit, to SF6 density monitor
It is verified；When needing to carry out SF6 gas test, then air pump and the first solenoid valve and third electricity are opened by controller
Magnet valve, and second solenoid valve is closed, SF6 gas is transmitted to multi-path gas circuit by the first gas circuit and patches row, then passes through third
Gas circuit is transmitted to SF6 test apparatus, tests SF6 gas；Conventional SF6 density monitor verification can not only be carried out,
And it is able to carry out SF6 test.
Wherein, in the embodiment of the present application, the terminal block of the circuit connecting end of SF6 density monitor and secondary convergence control cabinet connects
It connects, controller is connect with the terminal block of secondary convergence control cabinet.Under technical background originally, need the secondary letter of SF6 density monitor
Number line removes, and not only has certain security risk, and part early stage SF6 density not can be carried out disassembly, cause scene can not school
It tests, this programme is based on the secondary cable line number of winning the confidence, not only can be to avoid disconnecting secondary singal line bring security risk, and it can be with
It is significantly reduced workload, while the density monitor verification that part can not dismantle can be completed.Can use achievement simultaneously makes
The shared test gas circuit of other SF6 testers, completes a connector, multiple pilot projects.
Wherein, in the embodiment of the present application, described device further include power supply and decompression chip, power supply by decompression chip with
SF6 density monitor is connected with controller, by being depressured chip, input 24V is transformed into 5V and 3.3V, 5V is relay confession
Electricity, 3.3V are control chip power supply.Decompression chip is conventional chip in the prior art.
Wherein, in the embodiment of the present application, referring to FIG. 2, the multi-path gas circuit patches row includes:
Rectangular body case 12, shell lower surface middle part are equipped with air intake 13, and upper surface of outer cover is uniformly provided with several gas outlets
14, interior shell is cavity-like, and air intake is connected to cavity with gas outlet.
Wherein, in the embodiment of the present application, each gas outlet is equipped with the 4th solenoid valve, and the 4th solenoid valve and controller connect
It connects.It can control the opening and closing of the 4th solenoid valve by controller, and then can be with the air-flow in accurate control device.
Wherein, in the embodiment of the present application, Fig. 3-Fig. 4 is please referred to, traditional mode is to need to tear open SF6 density monitor
Get off to take back laboratory and be verified, the application is that device is transported all scenes using transport vehicle 15 to test, and is not necessarily to SF6
Density monitor removes, and described device further includes transport vehicle 15, and transport case 16 and aerating pump 18 are fixed on the transport vehicle,
It is fixed with SF6 gas storage tank 17 in the transport case, SF6 gas cylinder storing compartment 19, the storage of SF6 gas cylinder are equipped in the transport case
Cabinet is equipped with several size difference grooves 20, stores the SF6 gas cylinder for having capacity different, SF6 gas cylinder storing compartment in each groove
On SF6 gas cylinder be connected to by gas-adding pipe 21 and aerating pump, aerating, which is pumped, stores tank with SF6 gas and is connected to.Stored in transport vehicle
There is the storage tank for being stored with a large amount of SF6 gases, multiple SF6 gas cylinders can be inflated by storing tank by SF6 gas, each
The gas content of SF6 gas cylinder is different, and testing crew can be according to the flexible type sum number for determining to wear gas cylinder of needs at scene
Amount, avoids once carrying excessive SF6 gas cylinder, or carry it is less be unable to complete inspections, traditional SF6 gas cylinder is similar to existing
Liquefied pot bottle, quality is larger, is not easy to be transported to scene and be tested, and tests the SF6 gas for also having more than is needed so much every time
Body, therefore, the application are provided with such transport vehicle, a large amount of SF6 gas can be stored tank and placed onboard, and go every time
Field test only needs to wear the SF6 gas cylinder of respective volume, is convenient for carrying.
Wherein, in the embodiment of the present application, three cylinders 22 are additionally provided in the transport case, be respectively used to the first gas circuit,
Second gas circuit, the winding of third gas circuit are stored, and are additionally provided with the second storing compartment 23 in the transport case, are connect for storing multi-path gas circuit
Insert row, electronic pressure gage, touch display, SF6 test apparatus, controller.Gas circuit is facilitated to be wrapped in above using cylinder, it is convenient
Storage.
Wherein, in the embodiment of the present application, air tightness detection equipment is additionally provided in the transport case.Utilize air-leakage test
Equipment can carry out air-leakage test to device, the accuracy examined convenient for control device.
Wherein, in the embodiment of the present application, cleaning equipment is additionally provided in the transport case.It can will be filled using cleaning equipment
Set or tracheae or gas circuit in impurity cleaned, ensuring inspection test be normally carried out.
Wherein, in the embodiment of the present application, the SF6 test apparatus include SF6 moisture content tester, SF6 purity test instrument,
SF6 decomposition product tester.SF6 test can be carried out using these testers.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of SF6 density monitor calibration equipment, which is characterized in that described device includes:
SF6 gas cylinder, air pump, the first gas circuit, several second gas circuits, several third gas circuits, multi-path gas circuit patch row, electron pressure
Table, touch display, SF6 test apparatus, controller；
SF6 gas cylinder is connected to by tracheae with air pump, and air pump is connected to by the first gas circuit with the air intake that multi-path gas circuit patches row,
Several gas outlets that one end of second gas circuit and one end of third gas circuit patch row with multi-path gas circuit respectively are connected to；Electron pressure
Table is connected to by tracheae with the first gas circuit, and touch display is connect with electronic pressure gage, the other end of the second gas circuit with it is to be verified
The air circuit connection end of SF6 density monitor connects；The other end of third gas circuit is connected to SF6 test apparatus；It is set in first gas circuit
There is the first solenoid valve, the second gas circuit is equipped with second solenoid valve, and third gas circuit is equipped with third solenoid valve, air pump, the first electromagnetism
Valve, second solenoid valve, third solenoid valve are connect with controller；
Described device further includes transport vehicle, and transport case and aerating pump are fixed on the transport vehicle, is fixed in the transport case
SF6 gas stores tank, SF6 gas cylinder storing compartment is equipped in the transport case, it is recessed that SF6 gas cylinder storing compartment is equipped with several size differences
Slot stores the SF6 gas cylinder for having capacity different in each groove, the SF6 gas cylinder on SF6 gas cylinder storing compartment by gas-adding pipe with plus
Air pump connection, aerating pump are connected to SF6 gas storage tank.
2. SF6 density monitor calibration equipment according to claim 1, which is characterized in that the circuit of SF6 density monitor
Connecting pin is connect with the terminal block of secondary convergence control cabinet, and controller is connect with the terminal block of secondary convergence control cabinet.
3. SF6 density monitor calibration equipment according to claim 1, which is characterized in that described device further includes power supply
With decompression chip, power supply is connect by being depressured chip with SF6 density monitor and controller, by being depressured chip, input 24V
It is transformed into 5V and 3.3V, 5V is relay power supply, and 3.3V is control chip power supply.
4. SF6 density monitor calibration equipment according to claim 1, which is characterized in that the multi-path gas circuit patches
Row includes:
Rectangular body case, shell lower surface middle part are equipped with air intake, and upper surface of outer cover is uniformly provided with several gas outlets, is in shell
Cavity-like, air intake are connected to cavity with gas outlet.
5. SF6 density monitor calibration equipment according to claim 4, which is characterized in that each gas outlet is equipped with
Four solenoid valves, the 4th solenoid valve are connect with controller.
6. SF6 density monitor calibration equipment according to claim 1, which is characterized in that be additionally provided in the transport case
Three cylinders are respectively used to the first gas circuit, the second gas circuit, the winding storage of third gas circuit, are additionally provided with second in the transport case and deposit
Cabinet is put, patches row, electronic pressure gage, touch display, SF6 test apparatus, controller for storing multi-path gas circuit.
7. SF6 density monitor calibration equipment according to claim 1, which is characterized in that be additionally provided in the transport case
Air tightness detection equipment.
8. SF6 density monitor calibration equipment according to claim 1, which is characterized in that be additionally provided in the transport case
Cleaning equipment.
9. SF6 density monitor calibration equipment according to claim 1, which is characterized in that the SF6 test apparatus includes
SF6 moisture content tester, SF6 purity test instrument, SF6 decomposition product tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992872.0U CN209198622U (en) | 2018-11-29 | 2018-11-29 | A kind of SF6 density monitor calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992872.0U CN209198622U (en) | 2018-11-29 | 2018-11-29 | A kind of SF6 density monitor calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198622U true CN209198622U (en) | 2019-08-02 |
Family
ID=67426793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821992872.0U Active CN209198622U (en) | 2018-11-29 | 2018-11-29 | A kind of SF6 density monitor calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209198622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342938A (en) * | 2018-11-29 | 2019-02-15 | 国网四川省电力公司检修公司 | A kind of SF6 density monitor calibration equipment based on secondary singal |
| CN112798398A (en) * | 2020-12-30 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Be used for GIS density relay gas pressure testing arrangement |
-
2018
- 2018-11-29 CN CN201821992872.0U patent/CN209198622U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342938A (en) * | 2018-11-29 | 2019-02-15 | 国网四川省电力公司检修公司 | A kind of SF6 density monitor calibration equipment based on secondary singal |
| CN109342938B (en) * | 2018-11-29 | 2024-03-15 | 国网四川省电力公司检修公司 | SF6 density relay calibration device based on secondary signal |
| CN112798398A (en) * | 2020-12-30 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Be used for GIS density relay gas pressure testing arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209198622U (en) | A kind of SF6 density monitor calibration equipment | |
| CN109342938A (en) | A kind of SF6 density monitor calibration equipment based on secondary singal | |
| CN109540408A (en) | Air tightness detection method and device | |
| CN109470977A (en) | For the inspection device and method of the charging socket of vehicle energy memory supply of electrical energy | |
| CN212539610U (en) | Low-temperature valve test bed | |
| CN106840547A (en) | A kind of batteries of electric automobile bag air-tightness detection device and detection method | |
| CN106483382A (en) | A kind of GIS circuit loop resistance measuring instrument and measuring method | |
| KR20070114249A (en) | Breather valve test bench | |
| CN106596802A (en) | High temperature and high pressure multiphase fluid comprehensive tester | |
| CN104390798A (en) | Explosion test device and method for detecting explosion suppression performance of explosive-proof device | |
| CN204988661U (en) | Leak pressure measurement in transformer | |
| CN206638397U (en) | A kind of batteries of electric automobile bag air-tightness detection device | |
| US3242715A (en) | Apparatus for testing portable gasdetecting instruments | |
| CN207540718U (en) | A kind of multichannel air-tightness tester | |
| CN110045200A (en) | The test calibrating installation of SF6 transmitter | |
| CN110307943A (en) | A kind of sealing automatic checkout system and its detection method | |
| CN208223759U (en) | A kind of air tightness test-bed of oil storage cylinder | |
| CN203949768U (en) | A kind of air-tightness detection device | |
| CN205786119U (en) | A kind of liquefied petroleum gas steel cylinder water test unit | |
| CN208140828U (en) | A kind of subway train circuit measuring instrument | |
| CN207601285U (en) | A kind of ups power test device | |
| CN209280210U (en) | A kind of power transformer capsule type oil storage cabinet leak detection auxiliary device | |
| CN209372805U (en) | SF6Gas on-line detecting system | |
| CN214893929U (en) | Oil tank leakage detection device | |
| CN104316579A (en) | Gas distribution method of detector for detecting SF6 gas decomposition products |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 No. 66 Xinguang Road, hi tech Zone, Sichuan, Chengdu Patentee after: Super high voltage branch of State Grid Sichuan Electric Power Co. Address before: 610000 No. 66 Xinguang Road, hi tech Zone, Sichuan, Chengdu Patentee before: MAINTENANCE COMPANY OF STATE GRID SICHUAN ELECTRIC POWER Co. |