CN109459274A - The auxiliary device and sampling method of the sealing sampling of dielectric oil chromatographic analysis - Google Patents
The auxiliary device and sampling method of the sealing sampling of dielectric oil chromatographic analysis Download PDFInfo
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- CN109459274A CN109459274A CN201811020024.8A CN201811020024A CN109459274A CN 109459274 A CN109459274 A CN 109459274A CN 201811020024 A CN201811020024 A CN 201811020024A CN 109459274 A CN109459274 A CN 109459274A
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- bucket
- sampling syringe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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Abstract
The auxiliary device of the sealing sampling of dielectric oil chromatographic analysis, including sampling syringe place bucket, connector, shaft, pedestal.The outer diameter adaptation of the internal diameter of the side wall of syringe placement bucket and the main cylinder of sampling syringe is sampled, the bucket bottom of sampling syringe placement bucket is equipped with the through-hole passed through for the pull rod for sampling syringe.The upper end of connector and the side wall of sampling syringe placement bucket are connected, and the lower end of connector and shaft are connected, and move between shaft and pedestal and are equipped with fixed structure with merging.Utilize the sampling method of the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis: 1, the fixed rotation sampling syringe of inclination places bucket；2, sampling syringe the pull rod of sampling syringe is placed on downward to place in bucket；3, the sampling hole for sampling syringe is made to be located at highest point；4, the seal rubber sleeve on the thief rod for being encapsulated in and sampling syringe is pierced through to design position with the syringe needle on small sampling syringe；5, the pull rod on small sampling syringe is pulled, the gas above sample liquid is made to enter small sampling syringe until sampling is completed.
Description
Technical field
The present invention relates to power system insulation oil gas chromatographic device technical fields, and in particular to a kind of insulation oil colours
The auxiliary device and corresponding sampling method of the sealing sampling of spectrum analysis.
Background technique
Due to the design of the equipment such as large-scale power transformer, current transformer, manufacture, quality and all various originals of operation
Cause, the serious accident and failure of these equipment happen occasionally, and seriously affect the safe and stable operation of power grid.To ensure transformer
Etc. equipment or even power grid safe operation, many different monitoring methods of development, wherein examined using gas chromatography
Survey insulating oil in various dissolved gas content, with this come judge oil-filled electric equipment internal fault type and severity most
It is effective.Insulate gas chromatography, is a kind of to divide in organic chemistry the compound for being easy to volatilize without decomposition
From the chromatographic technique with analysis, its distribution discrepant spy alternate in mobile phase and stationary phase two using all components to be separated
Point separates and calculates gas component content, and then judges oil-filled equipment internal fault.In analysis, frequently to be infused using glass
Emitter sampling.Currently, used glass syringe does not fix device when due to sampling, and when manual sampling syringe angle
Degree should be about 60 °, and a people is easy to appear deviation when individually operated, when causing to extract oil sample, are easy to seep from ambient enviroment
Enter micro-air, and then the oil sample to be analyzed of extraction that cannot be complete, stable, as a result will lead to analysis failure.
Summary of the invention
Main inventive purpose of the invention, one be to provide one kind may insure sampling when will not be penetrated into from ambient enviroment it is micro-
The auxiliary device for measuring the sealing sampling of dielectric oil chromatographic analysis of the air into sample, second is that being carried out using above-mentioned auxiliary device
The method of sampling.
Technical solution used in the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis is: a kind of insulation oil chromatography point
The auxiliary device of the sealing sampling of analysis, including sampling syringe place bucket, connector, shaft, pedestal.It samples syringe and places bucket
The outer diameter adaptation of the main cylinder of the internal diameter and sampling syringe of side wall, the bucket bottom that sampling syringe places bucket is equipped with the pull rod for sampling syringe
The through-hole passed through.The side wall that the upper end of connector and sampling syringe place bucket is connected, and the lower end of connector and shaft are connected, shaft
It is moved between pedestal and is equipped with fixed structure with merging.
Here " move between shaft and pedestal with merge be equipped with fixed structure " refers to shaft perpendicular to a plane and can
Rotate movement, can be locked on fixed position with the fixed structure after turning to certain position, so that sampling syringe
Pin hole is located at highest point.It is sampled in syringe before operation and has taken sample liquid, sampled and be equipped with seal rubber sleeve on the thief rod of syringe.
When since sampling the operation for extracting air sample in syringe, the axis that sampling syringe places bucket is first gone to the folder with horizontal plane
Angle is less than or equal to 60 °, the state more than or equal to 45 °, then places in bucket, makes taking excellent sampling syringe to be put into sampling syringe
The pull rod of sampling syringe passes through the through-hole that sampling syringe places the bucket bottom of bucket, and makes the sampling of superposed sampling syringe
Hole is in highest order, then pierces through the seal rubber sleeve being encapsulated on the thief rod of sampling syringe with the syringe needle on small sampling syringe again
To design position, it then can little by little pull the pull rod on small sampling syringe to appropriate location, thus just from sampling syringe
Certain sample is inside achieved to go to do experiment.The auxiliary device of the sealing sampling of this dielectric oil chromatographic analysis, can drop significantly
The labor intensity of low sampling operation is conducive to make to sample operating personnel and is absorbed in sampling operation without diverting one's attention, be it is a kind of very
The auxiliary device of outstanding sealing sampling.
Preferably, the bucket depth that sampling syringe places bucket is less than or equal to 2/3rds of the height of the main cylinder of sampling syringe；
Another preferred embodiment is that the side wall that sampling syringe places bucket is driveed there are two crack, and two cracks are symmetrical arranged.Two above is excellent
Scheme is selected, is on the position of setting, is tied with the thief rod on final determining sampling syringe by suitably rotating sampling syringe
Structure is simple, easy to use, fabricates at low cost.
Preferably, the inner wall for the bucket that sampling syringe places bucket is equipped with and places that the axis of bucket is parallel determines with sampling syringe
Position slot, the corresponding lateral wall for sampling syringe is equipped with and the positioning convex strip of locating slot adaptation, positioning convex strip and locating slot sliding
Cooperation.This preferred embodiment, sampling syringe are easy to place location and installation in bucket in sampling syringe, it is easy to ensure to sample on syringe
Thief rod be on setting position, be conducive to improve productivity.
Preferably, connector includes connector main body, fixture nut, connecting rod.The upper end of connector main body and sampling
The side wall that syringe places bucket is connected and then the side wall for realizing that bucket is placed with sampling syringe in the upper end of connector is connected.Connector main body
Lower end connected with the threaded upper ends of connecting rod after locked with fixture nut.The lower end of connecting rod is fixedly connected real in turn with shaft
The lower end of existing connector and being connected for shaft.This preferred embodiment, it is structurally reasonable, it is conveniently adjusted the high-low-position that sampling syringe places bucket
It sets and is conducive to improve the adaptability to worker's height in favor of sampling operation.
Preferably, further include having component, component is equipped with and the slot of connector adaptation, one end of component and passes through hinge
It is connected with base rotation, the other end is fixedly connected by bolt with pedestal, and then shaft and pedestal extruding adjustment good position
It is fixed together.This preferred embodiment, structure is simple, easy to use, safe and reliable.
In conclusion the beneficial effect of the auxiliary device of the sealing sampling of invention dielectric oil chromatographic analysis is: utilizing institute
The auxiliary device for the sealing sampling stated, can substantially reduce the tensity of staff's work, be conducive to obtain accurate
Test sample, to be conducive to improve the accuracy of analysis report.
The method that is sampled using the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis the following steps are included:
Step 1: rotation sampling syringe places bucket to an obliquity fix tightly；
Step 2: taken sample and sampling hole be set with sealing shroud sampling syringe pull rod downward pass through sampling syringe place bucket
Bucket bottom on perforation, and then sampling syringe be placed on sampling syringe place bucket in；
Step 3: determining the orientation of sampling syringe, the sampling hole for sampling syringe is made to be located at highest point；
Step 4: piercing through the seal rubber sleeve being encapsulated on the thief rod of sampling syringe to designing position with the syringe needle on small sampling syringe
It sets；
Step 5: pulling the pull rod on small sampling syringe, the gas above sample liquid is made to enter small sampling syringe until sampling is completed.
After completing the above five steps sampling operation, so that it may the sample liquid being pumped be taken away and tested and analyzed.
The method overall step that the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis utilized above is sampled is clear
Clear bright and clear, Job Operations are not easy to make mistakes, and operating efficiency is high.
Detailed description of the invention
Fig. 1: the structural schematic diagram of the embodiment of the present invention one；
Fig. 2: the structural schematic diagram of the embodiment of the present invention two；
Fig. 3: the structural schematic diagram of the embodiment of the present invention three；
In figure: sample syringe places bucket 1, sampling syringe places the side wall 1.1 of bucket, through-hole 1.3, crack 1.4, locating slot 1.5, connects
Part 2, fixture nut 2.2, connecting rod 2.3, shaft 3, pedestal 4, component 5, slot 5.1, sampling syringe 6, takes connector main body 2.1
The pull rod 6.1 of sample syringe, the main cylinder 6.2 for sampling syringe, the thief rod 6.3 for sampling syringe, leather sheath 7, positioning convex strip 8, hinge 9,
Bolt 10.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
The auxiliary device of the sealing sampling of dielectric oil chromatographic analysis:
Embodiment one:
As shown in Figure 1, the present invention include sampling syringe place bucket 1, connector 2, shaft 3, pedestal 4, component 5, sampling syringe 6,
Leather sheath 7.
The outer diameter adaptation for sampling the internal diameter of the side wall 1.1 of syringe placement bucket 1 and the main cylinder 6.2 of sampling syringe 6, samples syringe
The bucket bottom 1.2 for placing bucket 1 is equipped with the through-hole 1.3 passed through for the pull rod 6.1 for sampling syringe 6, and leather sheath 7 is nested in sampling syringe 6
On thief rod 6.3.The side wall 1.1 that the upper end of connector 2 and sampling syringe place bucket 1 is connected, the lower end of connector 2 and shaft 3
It is connected, is moved between shaft 3 and pedestal 4 and be equipped with fixed structure with merging.The present embodiment, connector 2 include connector main body 2.1,
Fixture nut 2.2, connecting rod 2.3；The side wall 1.1 that the upper end of connector main body 2.1 and sampling syringe place bucket 1 is connected and then real
The side wall 1.1 that the upper end of existing connector 2 and sampling syringe place bucket 1 is connected；The lower end of connector main body 2.1 and connecting rod 2.3
Threaded upper ends connection after with fixture nut 2.2 lock；The lower end of connecting rod 2.3 is fixedly connected with shaft 3 and then realizes connection
The lower end of part 2 and being connected for shaft 3.Syringe is sampled to place between bucket 1 and the main cylinder 6.2 for sampling syringe 6 equipped with determining sampling probe
The structure of 6 positions of cylinder.The present embodiment, the bucket depth that sampling syringe places bucket 1 are less than or equal to the height of the main cylinder 6.2 of sampling syringe 6
2/3rds, by holding the upper end of the main cylinder 6.2 of sampling syringe 6 and rotating the main cylinder 6.2 of sampling syringe 6 when installation, just
The main cylinder 6.2 of sampling syringe 6 can be adjusted to orientation appropriate to be sampled operation.Component 5 is equipped with and connector 2
The slot 5.1 of adaptation, one end of component 5 and is rotatedly connected by hinge 9 and pedestal 4, and the other end is fixed by bolt 10 and pedestal 4
Connection, and then the shaft of adjustment good position 3 and the extruding of pedestal 4 are fixed together.
Embodiment two:
As shown in Fig. 2, embodiment two the difference from embodiment 1 is that: in embodiment two sample syringe place bucket 1 side wall
1.1 drive there are two crack 1.4, and two cracks 1.4 are symmetrical arranged.The present embodiment is placed on sampling by two rotations of crack 1.4
Syringe places the sampling syringe 6 of bucket 1 to adjust sampling syringe 6 and arrive setting position, and adjustment is easy to operate, to the master of sampling syringe 6
The adaptability pipe of cylinder 6.2, convenient for sampling the taking and placing of syringe 6.
Embodiment three:
As shown in figure 3, embodiment three and the difference of embodiment one essentially consist in: on the inner wall for the bucket that sampling syringe places bucket 1
It is equipped with the locating slot 1.5 parallel with the sampling syringe placement axis of bucket, the corresponding lateral wall for sampling syringe 6 is equipped with and positions
The positioning convex strip 8 that slot 1.5 is adapted to, positioning convex strip 8 and locating slot 1.5 are slidably matched.In addition the bucket depth of sampling syringe placement bucket 1 is small
Facilitate the taking and placing of sampling syringe 6 in the length of the main cylinder 6.2 of sampling syringe 6.Preferably, the length of positioning convex strip 8 is less than
Equal to the length half of the main cylinder 6.2 of sampling syringe 6.This preferred embodiment, sampling syringe 6 are placed in bucket 1 in sampling syringe
After putting well, samples the sampling hole on syringe 6 and be in highest order, sampling syringe 6 positions quickly.
Utilize the sampling method embodiment of the auxiliary device of dielectric oil chromatographic analysis sealing sampling:
The sampling method includes the following steps:
Step 1: rotation sampling syringe places bucket to an obliquity fix tightly；
Step 2: taken sample and sampling hole be set with sealing shroud sampling syringe pull rod downward pass through sampling syringe place bucket
Bucket bottom on perforation, and then sampling syringe be placed on sampling syringe place bucket in；
Step 3: determining the orientation of sampling syringe, the sampling hole for sampling syringe is made to be located at highest point；
Step 4: piercing through the seal rubber sleeve being encapsulated on the thief rod of sampling syringe to designing position with the syringe needle on small sampling syringe
It sets；
Step 5: pulling the pull rod on small sampling syringe, the gas above sample liquid is made to enter small sampling syringe until sampling is completed.
It is tested and analyzed finally, the sample liquid extracted is sent to analysis machine.
The specific embodiment of the above is only the preferable embodiment of the present invention, and tool of the invention is not limited with this
Body implements structure and practical range.In fact, can also be made according to shape, structure and purpose of design described herein some etc.
The variation of effect.Therefore, all to be wrapped according to some equivalence changes made by shape, structure and purpose of design described herein
It all should be by protection of the invention containing within the scope of the present invention namely these equivalence changes.
Claims (7)
1. the auxiliary device of the sealing sampling of a kind of dielectric oil chromatographic analysis, it is characterized in that: including that sampling syringe places bucket
(1), connector (2), shaft (3), pedestal (4)；Sample internal diameter and sampling syringe (6) of the side wall (1.1) of syringe placement bucket (1)
Main cylinder (6.2) outer diameter adaptation, sampling syringe place bucket (1) bucket bottom (1.2) be equipped with for sample syringe (6) pull rod
(6.1) through-hole (1.3) passed through；The side wall (1.1) that the upper end of connector (2) and sampling syringe place bucket (1) is connected, connector
(2) lower end and shaft (3) is connected, and moves between shaft (3) and pedestal (4) and is equipped with fixed structure with merging；Syringe is sampled to place
The structure for determining sampling syringe (6) position is equipped between bucket (1) and the main cylinder (6.2) for sampling syringe (6).
2. the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis according to claim 1, it is characterized in that: sampling probe
The bucket depth of cylinder placement bucket (1) is less than or equal to 2/3rds of the height of the main cylinder (6.2) of sampling syringe (6).
3. the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis according to claim 1, it is characterized in that: sampling
The side wall (1.1) that syringe places bucket (1) is driveed there are two crack (1.4), and two cracks (1.4) are symmetrical arranged.
4. the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis according to claim 1, it is characterized in that: sampling probe
The inner wall of the bucket of cylinder placement bucket (1) is equipped with the locating slot (1.5) parallel with the sampling syringe placement axis of bucket, corresponding to sample
The lateral wall of syringe (6) is equipped with and the positioning convex strip (8) of locating slot (1.5) adaptation, positioning convex strip (8) and locating slot (1.5)
It is slidably matched.
5. the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis according to claim 1, it is characterized in that: connector
It (2) include connector main body (2.1), fixture nut (2.2), connecting rod (2.3)；The upper end of connector main body (2.1) and sampling
The side wall (1.1) that syringe places bucket (1) is connected and then realizes that the side wall of bucket (1) is placed in the upper end of connector (2) and sampling syringe
(1.1) it is connected；It is locked after being connected with the threaded upper ends of connecting rod (2.3) with fixture nut (2.2) lower end of connector main body (2.1)
Tightly；The lower end of connecting rod (2.3) is fixedly connected with shaft (3) and then realizes the lower end of connector (2) and being connected for shaft (3).
6. the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis described in -5 any one according to claim 1, special
Sign is: further including having component (5), component (5) is equipped with and the slot (5.1) of connector (2) adaptation, one end of component (5) and logical
It crosses hinge (9) and pedestal (4) is rotatedly connected, the other end is fixedly connected by bolt (10) with pedestal (4), and then handle adjusts position
Shaft (3) and pedestal (4) extruding set are fixed together.
7. being carried out using the auxiliary device of the sealing sampling of dielectric oil chromatographic analysis described in claim 1 to 6 any one
The method of sampling, it is characterized in that:
Step 1: rotation sampling syringe places bucket to an obliquity fix tightly；
Step 2: taken sample and sampling hole be set with sealing shroud sampling syringe pull rod downward pass through sampling syringe place bucket
Bucket bottom on perforation, and then sampling syringe be placed on sampling syringe place bucket in；
Step 3: determining the orientation of sampling syringe, the sampling hole for sampling syringe is made to be located at highest point；
Step 4: piercing through the seal rubber sleeve being encapsulated on the thief rod of sampling syringe to designing position with the syringe needle on small sampling syringe
It sets；
Step 5: pulling the pull rod on small sampling syringe, the gas above sample liquid is made to enter small sampling syringe until sampling is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020024.8A CN109459274B (en) | 2018-09-03 | 2018-09-03 | Auxiliary device for sealed sampling of insulating oil chromatographic analysis and sampling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020024.8A CN109459274B (en) | 2018-09-03 | 2018-09-03 | Auxiliary device for sealed sampling of insulating oil chromatographic analysis and sampling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109459274A true CN109459274A (en) | 2019-03-12 |
| CN109459274B CN109459274B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811020024.8A Active CN109459274B (en) | 2018-09-03 | 2018-09-03 | Auxiliary device for sealed sampling of insulating oil chromatographic analysis and sampling method |
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| CN (1) | CN109459274B (en) |
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| CN109459274B (en) | 2021-03-19 |
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