CN201392329Y - Insulating oil chromatographic analysis system - Google Patents
Insulating oil chromatographic analysis system Download PDFInfo
- Publication number
- CN201392329Y CN201392329Y CN200920021615U CN200920021615U CN201392329Y CN 201392329 Y CN201392329 Y CN 201392329Y CN 200920021615 U CN200920021615 U CN 200920021615U CN 200920021615 U CN200920021615 U CN 200920021615U CN 201392329 Y CN201392329 Y CN 201392329Y
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- CN
- China
- Prior art keywords
- gas
- gas cylinder
- analysis system
- chromatographic analysis
- 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.)
- Expired - Fee Related
Links
- 238000004587 chromatography analysis Methods 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 102
- 230000002159 abnormal effect Effects 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an insulating oil chromatographic analysis system, which comprises a plurality of chromatographs arranged in a laboratory and gas cylinder units arranged in a gas cylinder storage room. One gas cylinder unit comprises three gas cylinders in which three different gases are respectively filled; and a pressure-reducing valve, a filter and a gas pipe are arranged between each gas cylinder and a corresponding gas inlet of the chromatograph. The insulating oil chromatographic analysis system is characterized in that a plurality of gas cylinder units are provided; the gas pipe for connecting the gas cylinders which are filled with same gas is respectively communicated with a main pipeline through a solenoid valve; the same gas inlets of the chromatographs are communicated with corresponding main pipelines respectively through one solenoid valve; each main pipeline is provided with a pressure gauge and a flowmeter; and the flowmeter and the solenoid valves are all electrically connected with a main controller. When a plurality of chromatographs work at the same time, the chromatographic analysis system provides uniform gas pressure and ensures the accuracy of the measuring data. When in abnormal gas source pressure and leakage, the chromatographic analysis system can timely switch to the normal gas pipeline, close the abnormal gas pipeline and alarm, and ensures safe operation.
Description
Technical field
The utility model relates to a kind of dielectric oil chromatographic analysis system.
Background technology
When carrying out the insulating oil gas chromatographic analysis, each chromatograph 7 needs 1, one gas cylinder group 1 of a gas cylinder group to comprise that three are adorned nitrogen, hydrogen, compressed-air actuated gas cylinder 2 respectively, three kinds of gases in the gas cylinder 2 are connected with each chromatograph air intake opening by long gas piping 5 after reduction valve 3 decompressions.If when having two and above chromatograph to work simultaneously, corresponding many group gas cylinders and air delivering pipelines will be arranged, as shown in Figure 1.
According to present rules requirement, each oil sample all is after carrying out twice stratographic analysis, to get its mean value, as record and way relatively and to pressure, flow velocity and the purity of carrier gas certain requirement is arranged all, otherwise with the authenticity of direct impact analysis data.But there are some defectives in the present chromatograph and the configuration of air delivering pipeline:
1, the group number of chromatographic quantity and air delivering pipeline does not match; Because the part air delivering pipeline damages, the limitation that causes chromatograph to use.
Consider from secure context that 2, gas cylinder apotheca and laboratory be not at same floor, but the laboratory lacks necessary instrument indication and leakage warning device; Very dangerous;
3, because the gentle bottle group of each chromatograph is a relatively independent unit, the pressure of each gas cylinder group and reduction valve group Pressure reducing ratio are also not quite identical, not only test data is caused a deviation and the consumption of carrier gas different, control gas cylinder group is changed inflation exists uncertain;
4, gas cylinder apotheca storage space and operating space are limited, can not deposit a large amount of gas cylinders;
5, the material of air delivering pipeline is a common plastics, and under different temperature, it is radial and axial all bigger ductility, and physical strength is less, and is aging and damaged easily.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of dielectric oil chromatographic analysis system, when it is worked simultaneously at many chromatographs, provides unified gaseous tension, guarantee the accurate of test data, can when generation is unusual, be convenient to switch the gas cylinder group in addition.
In order to address the above problem, the utility model is by the following technical solutions: this dielectric oil chromatographic analysis system, comprise many chromatographs being arranged in the laboratory, be arranged on the gas cylinder group in the gas cylinder apotheca, a gas cylinder group comprises three gas cylinders, and three kinds of different gases are housed respectively; Described gas cylinder group is provided with a plurality of, is provided with reduction valve, filtrator, gas piping between each gas cylinder and the corresponding chromatograph air intake opening; The gas piping that the gas cylinder connection of gas of the same race is housed is communicated with a main line by a solenoid valve respectively; Each chromatographic gas inlet of the same race is respectively by a solenoid valve and corresponding main line connection; One tensimeter, a flowmeter are set on every main line; Described flow is taken into account described each solenoid valve and all is electrically connected with a master controller.
As the further technical scheme of the utility model:
In this dielectric oil chromatographic analysis system, comprise that also two are detected the combustible gas sensor whether inflammable gas is arranged in gas cylinder apotheca, the laboratory respectively; Two combustible gas sensors all are electrically connected with master controller, by each solenoid valve of main controller controls; Master controller is provided with flammable gas alarm device.
The beneficial effects of the utility model are: when many chromatographs are worked simultaneously, provide unified gaseous tension, guarantee the accurate of test data; Unusual and in time switch to normal gas pipe line when leaking, close unusual gas pipe line, and report to the police at bleed pressure, guarantee handling safety; Adopt New Type of Gas Generator, save the space, be convenient to move and carry.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further:
Fig. 1 is the prior art constructions synoptic diagram,
Fig. 2 is a structural representation of the present utility model,
Fig. 3 is an electrical block diagram of the present utility model;
Among the figure: 1 gas cylinder group, 2 gas cylinders, 3 reduction valve, 4 filtrators, 5 gas pipings, 6 solenoid valves, 7 chromatographs, 8 filtrators, 9 solenoid valves, 10 main lines, 11 tensimeters and flowmeter, 12 master controllers, 13 combustible gas sensors, 14 gas pipings.
Embodiment
As shown in Figure 2, this dielectric oil chromatographic analysis system comprises many chromatographs 7 that are arranged in the laboratory, is arranged on a plurality of gas cylinder groups 1 in the gas cylinder apotheca.One of them gas cylinder group master confession, all the other are the bailout bottle group.The corresponding gas cylinder group of chromatograph.Each gas cylinder group 1 comprises three gas cylinders 2, and three kinds of different gases are housed respectively.Each gas cylinder 2 of gas cylinder group connects one section gas piping 5 respectively.
A reduction valve 3, filtrator 4, a solenoid valve 6 are set respectively on each first gas piping 5.The gas piping 5 that the gas cylinder connection of gas of the same race is housed is communicated with a main line 10 by each self-corresponding solenoid valve 6.
The air intake opening of each chromatograph 7 connects one section gas piping 14 respectively.A filtrator 8, a solenoid valve 9 are set respectively on each gas piping 14.The gas inlet of the same race of each chromatograph 7 is communicated with corresponding main line 10 respectively by corresponding solenoid valve respectively.One tensimeter and flowmeter 11 are set on every main line 10.Wherein flow is taken into account each solenoid valve 6,9 and all is electrically connected with a master controller 12, as shown in Figure 3.During work,, connect respective line automatically by master controller 12 gating solenoid valves.When pressure anomaly, master controller 12 cuts off source of the gas automatically by the control corresponding solenoid valve, and switches to other source of the gas.
In this dielectric oil chromatographic analysis system, comprise that also two are detected the combustible gas sensor 13 whether inflammable gas is arranged in gas cylinder apotheca, the laboratory respectively.Two combustible gas sensors 13 all are electrically connected with master controller 12, by master controller 12 each solenoid valve of control.Master controller 12 is provided with flammable gas alarm device.When detecting the leakage of generation gas, master controller 12 also cuts off source of the gas automatically by the control corresponding solenoid valve, and the warning reminding staff checks.Master controller 12 may command in time switch to bailout gas, make the chromatograph operate as normal.
In addition, main line adopts the high-quality copper pipe to make, and it is low to solve common plastics flexible pipe physical strength, and easily aging problem is simplified pipe-line layout.
Above-mentioned gas cylinder group can be replaced by gas generator.
Claims (2)
1, dielectric oil chromatographic analysis system comprises many chromatographs being arranged in the laboratory, is arranged on the gas cylinder group in the gas cylinder apotheca, and a gas cylinder group comprises three gas cylinders, and three kinds of different gases are housed respectively; Be provided with reduction valve, filtrator, gas piping between each gas cylinder and the corresponding chromatograph air intake opening; It is characterized in that: described gas cylinder group is provided with a plurality of, and the gas piping that the gas cylinder connection of gas of the same race is housed is communicated with a main line by a solenoid valve respectively; Each chromatographic gas inlet of the same race is respectively by a solenoid valve and corresponding main line connection; One tensimeter, a flowmeter are set on every main line; Described flow is taken into account described each solenoid valve and all is electrically connected with a master controller.
2, dielectric oil chromatographic analysis system according to claim 1 is characterized in that: comprise that also two are detected the combustible gas sensor whether inflammable gas is arranged in gas cylinder apotheca, the laboratory respectively; Two combustible gas sensors all are electrically connected with master controller, by each solenoid valve of main controller controls; Master controller is provided with flammable gas alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920021615U CN201392329Y (en) | 2009-04-23 | 2009-04-23 | Insulating oil chromatographic analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920021615U CN201392329Y (en) | 2009-04-23 | 2009-04-23 | Insulating oil chromatographic analysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392329Y true CN201392329Y (en) | 2010-01-27 |
Family
ID=41599150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920021615U Expired - Fee Related CN201392329Y (en) | 2009-04-23 | 2009-04-23 | Insulating oil chromatographic analysis system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201392329Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529143A (en) * | 2013-10-24 | 2014-01-22 | 无锡优赛科技有限公司 | Automatic controller for gas pipeline |
| CN105605418A (en) * | 2015-12-17 | 2016-05-25 | 安徽华盛科技控股股份有限公司 | Central gas supply system for intelligent CIT laboratory |
| CN107727765A (en) * | 2017-10-09 | 2018-02-23 | 国家电网公司 | Oiling test gas circuit controller and oiling test gas circuit |
| CN110925600A (en) * | 2019-11-27 | 2020-03-27 | 国网山东省电力公司临沂供电公司 | Automatic switching system and method for transformer oil chromatography gas cylinders |
| CN113218911A (en) * | 2021-04-19 | 2021-08-06 | 国网江苏省电力有限公司检修分公司 | Intermediate infrared SF6Decomposition component analysis device |
| CN113567567A (en) * | 2021-05-24 | 2021-10-29 | 国网山东省电力公司滨州供电公司 | Automatic switching device for transformer oil chromatographic test gas |
| CN113804800A (en) * | 2021-07-01 | 2021-12-17 | 国网四川省电力公司电力科学研究院 | Quick online monitoring device and method for multi-point transformer |
| CN113984869A (en) * | 2021-11-03 | 2022-01-28 | 自然资源部第二海洋研究所 | Reaction gas supply device for mass spectrometer analysis |
-
2009
- 2009-04-23 CN CN200920021615U patent/CN201392329Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529143A (en) * | 2013-10-24 | 2014-01-22 | 无锡优赛科技有限公司 | Automatic controller for gas pipeline |
| CN103529143B (en) * | 2013-10-24 | 2015-12-30 | 无锡优赛科技有限公司 | Gas pipeline self-actuated controller |
| CN105605418A (en) * | 2015-12-17 | 2016-05-25 | 安徽华盛科技控股股份有限公司 | Central gas supply system for intelligent CIT laboratory |
| CN107727765A (en) * | 2017-10-09 | 2018-02-23 | 国家电网公司 | Oiling test gas circuit controller and oiling test gas circuit |
| CN110925600A (en) * | 2019-11-27 | 2020-03-27 | 国网山东省电力公司临沂供电公司 | Automatic switching system and method for transformer oil chromatography gas cylinders |
| CN113218911A (en) * | 2021-04-19 | 2021-08-06 | 国网江苏省电力有限公司检修分公司 | Intermediate infrared SF6Decomposition component analysis device |
| CN113567567A (en) * | 2021-05-24 | 2021-10-29 | 国网山东省电力公司滨州供电公司 | Automatic switching device for transformer oil chromatographic test gas |
| CN113804800A (en) * | 2021-07-01 | 2021-12-17 | 国网四川省电力公司电力科学研究院 | Quick online monitoring device and method for multi-point transformer |
| CN113984869A (en) * | 2021-11-03 | 2022-01-28 | 自然资源部第二海洋研究所 | Reaction gas supply device for mass spectrometer analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20121018 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121018 Address after: 250012 Shandong Province, Lixia District of Ji'nan City Luoyuan Street No. 238 Patentee after: Jinan Power Supply Co., Ltd. of Shandong Electric Power Corporation Patentee after: State Grid Corporation of China Address before: 250012 Shandong Province, Lixia District of Ji'nan City Luoyuan Street No. 238 Patentee before: Jinan Power Supply Co., Ltd. of Shandong Electric Power Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20160423 |