CN206132737U - Totally enclosed quantitative measurement transformer oil dissolves head space sampling device of composition - Google Patents
Totally enclosed quantitative measurement transformer oil dissolves head space sampling device of composition Download PDFInfo
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- CN206132737U CN206132737U CN201621178588.0U CN201621178588U CN206132737U CN 206132737 U CN206132737 U CN 206132737U CN 201621178588 U CN201621178588 U CN 201621178588U CN 206132737 U CN206132737 U CN 206132737U
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Abstract
The embodiment of the utility model discloses totally enclosed quantitative measurement transformer oil dissolves head space sampling device of composition, solved among the prior art when injecting oil appearance the head space into and advance the appearance bottle since external composition sneak into and the change different and environment of volatilizing and injecting oil appearance volume at every turn into of volatilizable composition results in producing the technical problem of great error. The embodiment of the utility model provides an include: gas pitcher bottle, piston, first check valve, oil appearance bottle, oil appearance bottle lid, second check valve, volumetric bottle, piston board, third check valve, fourth check valve, the sealed needle of head space and head space advance the appearance bottle. It goes into gas pitcher bottle intrinsic qi body pressure in oily kind bottle to pass through the extrusion piston in this embodiment for oil in the oil appearance bottle is impressed in the volumetric bottle by gas pressure, the rethread push down the piston board in with the volumetric bottle oil pour into into in the head space advances the appearance bottle through the sealed needle of head space.
Description
Technical field
This utility model is related to transformer oil fields of measurement, more particularly to a kind of hermetically sealed quantitative measurement transformer oil dissolving
The headspace sampling device of composition.
Background technology
At present, in transformer oil solvent components measurement, have become running state of transformer detection an important means.
Analysis to Gases Dissolved in Transformer Oil, can effectively find the various incipient faults of transformator；To feature in transformer oil
The analysis of on-gaseous product, for example：Furfural, methanol, acetone etc., can effectively provide the aging shape of transformer solid insulation
Condition.During transformator draws oil sample, in order to prevent oil in solvent components, the volatilization of particularly volatilizable composition, while being also
Being mixed into for other compositions, hermetically sealed sampling technique is avoided to arise at the historic moment；These technologies employ all-sealed structure design, to protect
Card avoids to greatest extent the volatilization of volatile component and being mixed into for external interference composition during drawing oil sample.The transformation of taking-up
Device oil sample, after taking back laboratory, needs to carry out after pre-treatment, could be detected with some precise detection technologies.In laboratory
In carrying out oil sample pretreatment process, few people pay close attention to extraneous composition during this and are mixed into caused by oil sample to measurement result
Affect.The head space e measurement technology particularly currently risen, due to pre-treatment of the technology to oil sample it is few, it is possible to obtain compared with
For real measurement result.
In prior art, when being measured using headspace technique, being typically with proportional sampling device will take oil sample to inject head space
In sample injection bottle, headspace sampling bottle is then sealed, be put in head space measurement apparatus and heat, at a certain temperature, in being dissolved in oil
Some compositions evaporate into headspace sampling top of bottle space, extract the composition for evaporating and measure in measuring instrument.
Existing head-space sampler is all placed on heating, extraction escaping gas and sample introduction during these three the emphasis of concern.Heating
Process is realized by accurate temperature controlling technology；During extracting volatile ingredient, in order to prevent volatile ingredient in the duct
Deposition, employs full pipeline plus temperature technique；Sample introduction process, generally adopts at present six-way valve quantity tube sampling technique.Current top
What empty injector was not concerned with is exactly a bit：Have ignored the error produced when oil sample is injected into headspace sampling bottle；At this
During occur two larger source of errors, extraneous composition when oil sample to be injected from sample bottle the first headspace sampling bottle
The volatilization being mixed into volatilizable composition, second is same oil sample repeatedly in measurement, every time the different and environment of injection oil sample amount
Change.
Utility model content
This utility model embodiment discloses the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components, solution
Due to the volatilization being mixed into volatilizable composition of extraneous composition and every when oil sample being injected into headspace sampling bottle in prior art of having determined
The change of the difference and environment of secondary injection oil sample amount causes to produce the technical problem of larger error.
This utility model embodiment provides a kind of headspace sampling of hermetically sealed quantitative measurement transformer oil solvent components and fills
Put, including：
Gas tank bottle 3, piston 4, the first check valve 7, sample bottle 9, oil sample bottle cap 10, the second check valve 19, volumetric bottle 11, work
Seben 16, the 3rd check valve 21, the 4th check valve 23, head space needle seal 24 and headspace sampling bottle 27；
Piston 4 is arranged in gas tank bottle 3, and the first check valve 7 is arranged in oil sample bottle cap 10, and gas tank bottle 3 is arranged at oil sample
The top of bottle 9, is tightly connected by the first check valve 7 in oil sample bottle cap 10 with sample bottle 9；
Second check valve 19 is arranged in oil sample bottle cap 10, and sample bottle 9 is by the second check valve 19 in oil sample bottle cap 10
It is tightly connected with volumetric bottle 11, piston plate 16 is arranged in volumetric bottle 11；
Volumetric bottle 11 is connected by the 3rd check valve 21 with head space needle seal 24, and the sealing insertion head space of head space needle seal 24 enters
In sample bottle 27, volumetric bottle 11 is also connected by the 4th check valve 23 with head space needle seal 24.
Preferably,
The body side of gas tank bottle 3 is connected with the first valve 1, for as high pure nitrogen inlet valve；
First valve 1 connects gas tank bottle 3 by the 5th check valve 2；
The body opposite side of gas tank bottle 3 is connected with air valve 6, for discharging gas in gas tank bottle 3.
Preferably,
The surface that piston 4 is contacted with gas tank bottle 3 is provided with piston seal packing ring 5.
Preferably,
Volumetric bottle 11 is connected by screw thread with quantitative bottle base 12；
The second valve 13 is connected between the second check valve 19 and volumetric bottle 11.
Preferably,
Connecting rod is housed on piston plate 16；
Connecting rod is hollow design, and connecting rod bottom is provided with the 7th check valve 14, for discharging the gas in volumetric bottle 11.
Preferably,
The surface that piston plate 16 is contacted with volumetric bottle 11 is provided with piston plate seal washer 15.
Preferably,
Second check valve 19 is connected with the one end for the oil pipe 20 stretched in sample bottle 9, and the other end of oil pipe 20 extend into oil
The bottom of sample bottle 9.
Preferably,
The 3rd valve 22 and the 4th valve 26 are also associated between the 3rd check valve 21 and head space needle seal 24；
The one end of 4th check valve 23 is connected with volumetric bottle 11, and the other end of the 4th check valve 23 is connected to the 3rd valve 22 and
Between four valves 26.
Preferably,
Head space needle seal 24 is also connected with the 5th valve 25, the 6th check valve 29 and measuring instrument injection port 30 in turn；
Headspace sampling bottle 27 is positioned in heater 28.
Preferably,
Measuring instrument injection port is docked with head-space sampler injection port, for being used in combination with head-space sampler.
As can be seen from the above technical solutions, this utility model embodiment has advantages below：
This utility model embodiment provides a kind of headspace sampling of hermetically sealed quantitative measurement transformer oil solvent components and fills
Put, including：Gas tank bottle, piston, the first check valve, sample bottle, oil sample bottle cap, the second check valve, volumetric bottle, piston plate, the 3rd
Check valve, the 4th check valve, head space needle seal and headspace sampling bottle；Piston is arranged in gas tank bottle, and the first check valve is arranged at
In oil sample bottle cap, gas tank bottle is arranged at sample bottle top, is tightly connected with sample bottle by the first check valve in oil sample bottle cap；
Second check valve is arranged in oil sample bottle cap, and sample bottle is tightly connected by the second check valve in oil sample bottle cap with volumetric bottle,
Piston plate is arranged in volumetric bottle；Volumetric bottle is connected by the 3rd check valve with head space needle seal, the sealing insertion of head space needle seal
In headspace sampling bottle, volumetric bottle is also connected by the 4th check valve with head space needle seal.Will by extrusion piston in the present embodiment
In gas tank bottle in gas press-in sample bottle so that the oil in sample bottle is pressed in volumetric bottle, then under passing through by gas pressure
By in oil Jing head spaces needle seal injection headspace sampling bottle in volumetric bottle, whole seal operation is solved pressure piston plate without external interference
Due to the volatilization that is mixed into volatilizable composition and every time of extraneous composition when oil sample being injected into headspace sampling bottle in prior art
The change of the difference and environment of injection oil sample amount causes to produce the technical problem of larger error.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the head space of a kind of hermetically sealed quantitative measurement transformer oil solvent components provided in this utility model embodiment
The structural representation of sampling device.
Illustrate：1 first valve；2 the 5th check valves；3 gas tank bottles；4 pistons；5 piston seal packing rings；6 air valves；7
One check valve；8 high pure nitrogen inlets；9 sample bottles；10 oil sample bottle caps；11 volumetric bottles；12 quantitative bottle bases；13 second valves；
14 the 7th check valves；15 piston plate seal washers；16 piston plates；17 piston plate connecting rods；18 sealing-plugs；19 second check valves；20
Invade the oil pipe of oil sample；21 the 3rd check valves；22 the 3rd valves；23 the 4th check valves；24 head space needle seals；25 the 5th valves；
26 the 4th valves；27 headspace sampling bottles；28 heaters；29 the 6th check valves；30 measuring instrument injection ports.
Specific embodiment
This utility model embodiment discloses a kind of headspace sampling dress of hermetically sealed quantitative measurement transformer oil solvent components
Put, solve in prior art by oil sample inject headspace sampling bottle 27 when due to being mixed into for extraneous composition and waving for volatilizable composition
Send out and every time the change of the difference and environment of injection oil sample amount causes to produce the technical problem of larger error.
Fig. 1 is referred to, a kind of hermetically sealed quantitative measurement transformer oil solvent components provided in this utility model embodiment
One embodiment of headspace sampling device include：
Gas tank bottle 3, piston 4, the first check valve 7, sample bottle 9, oil sample bottle cap 10, the second check valve 19, volumetric bottle 11, work
Seben 16, the 3rd check valve 21, the 4th check valve 23, head space needle seal 24 and headspace sampling bottle 27；Piston 4 is arranged at gas tank bottle
In 3, the first check valve 7 is arranged in oil sample bottle cap 10, and gas tank bottle 3 is arranged at the top of sample bottle 9, by oil sample bottle cap 10
First check valve 7 is tightly connected with sample bottle 9；Second check valve 19 is arranged in oil sample bottle cap 10, and sample bottle 9 passes through sample bottle
The second check valve 19 in lid 10 is tightly connected with volumetric bottle 11, and piston plate 16 is arranged in volumetric bottle 11；Volumetric bottle 11 passes through
3rd check valve 21 is connected with head space needle seal 24, and in the sealing insertion headspace sampling of head space needle seal 24 bottle 27, volumetric bottle 11 is also
It is connected with head space needle seal 24 by the 4th check valve 23.Wherein, the gas that 7, the first check valve is allowed in gas tank bottle 3 injects
Sample bottle 9；Second 19, check valve allows oil sample to enter in volumetric bottle 11；3rd 21, check valve allows oil sample to flow out volumetric bottle
11；4th 23, check valve allows gas to flow into volumetric bottle 11.
The body side of gas tank bottle 3 is connected with the first valve 1, for as high pure nitrogen inlet valve；First valve 1 passes through
The connection gas tank of 5th check valve 2 bottle 3；The body opposite side of gas tank bottle 3 is connected with air valve 6, for discharging gas in gas tank bottle 3.Its
In, the 5th 2, check valve allows high pure nitrogen to inject gas tank.
The surface that piston 4 is contacted with gas tank bottle 3 is provided with piston seal packing ring 5.
Volumetric bottle 11 is connected by screw thread with quantitative bottle base 12；
The second valve 13 is connected between the second check valve 19 and volumetric bottle 11.
Connecting rod is housed on piston plate 16；Connecting rod is hollow design, and connecting rod bottom is provided with the 7th check valve 14, for discharging
Gas in volumetric bottle 11.
The surface that piston plate 16 is contacted with volumetric bottle 11 is provided with piston plate seal washer 15.
Second check valve 19 is connected with the one end for the oil pipe 20 stretched in sample bottle 9, and the other end of oil pipe 20 extend into oil
The bottom of sample bottle 9.
The 3rd valve 22 and the 4th valve 26 are also associated between the 3rd check valve 21 and head space needle seal 24；4th check valve
23 one end are connected with volumetric bottle 11, and the other end of the 4th check valve 23 is connected between the 3rd valve 22 and the 4th valve 26.
Head space needle seal 24 is also connected with the 5th valve 25, the 6th check valve 29 and measuring instrument injection port 30 in turn；
Headspace sampling bottle 27 is positioned in heater 28.
Measuring instrument injection port is docked with head-space sampler injection port, for being used in combination with head-space sampler.
It should be noted that the operation of valve described in this utility model and piston, can adopt Electronic control.Valve can
Using electrically operated valve, the piston of gas tank bottle 3 and the piston of volumetric bottle 11 can realize moving up and down for piston using motor.
This utility model embodiment provides a kind of headspace sampling of hermetically sealed quantitative measurement transformer oil solvent components and fills
Put, including：Gas tank bottle, piston, the first check valve, sample bottle, oil sample bottle cap, the second check valve, volumetric bottle, piston plate, the 3rd
Check valve, the 4th check valve, head space needle seal and headspace sampling bottle；Piston is arranged in gas tank bottle, and the first check valve is arranged at
In oil sample bottle cap, gas tank bottle is arranged at sample bottle top, is tightly connected with sample bottle by the first check valve in oil sample bottle cap；
Second check valve is arranged in oil sample bottle cap, and sample bottle is tightly connected by the second check valve in oil sample bottle cap with volumetric bottle,
Piston plate is arranged in volumetric bottle；Volumetric bottle is connected by the 3rd check valve with head space needle seal, the sealing insertion of head space needle seal
In headspace sampling bottle, volumetric bottle is also connected by the 4th check valve with head space needle seal.Will by extrusion piston in the present embodiment
In gas tank bottle in gas press-in sample bottle so that the oil in sample bottle is pressed in volumetric bottle, then under passing through by gas pressure
By in oil Jing head spaces needle seal injection headspace sampling bottle in volumetric bottle, whole seal operation is solved pressure piston plate without external interference
Due to the volatilization that is mixed into volatilizable composition and every time of extraneous composition when oil sample being injected into headspace sampling bottle in prior art
The change of the difference and environment of injection oil sample amount causes to produce the technical problem of larger error.
Above to a kind of headspace sampling of hermetically sealed quantitative measurement transformer oil solvent components provided by the utility model
Device is described in detail, for one of ordinary skill in the art, according to the thought of this utility model embodiment, concrete
Will change in embodiment and range of application, in sum, this specification content should not be construed as new to this practicality
The restriction of type.
Claims (10)
1. a kind of headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components, it is characterised in that include：
It is gas tank bottle, piston, the first check valve, sample bottle, oil sample bottle cap, the second check valve, volumetric bottle, piston plate, the 3rd unidirectional
Valve, the 4th check valve, head space needle seal and headspace sampling bottle；
The piston is arranged in the gas tank bottle, and first check valve is arranged in oil sample bottle cap, and the gas tank bottle is arranged
In sample bottle top, it is tightly connected by the first check valve in the oil sample bottle cap and the sample bottle；
Second check valve is arranged in the oil sample bottle cap, and the sample bottle is unidirectional by second in the oil sample bottle cap
Valve is tightly connected with the volumetric bottle, and the piston plate is arranged in the volumetric bottle；
The volumetric bottle is connected by the 3rd check valve with the head space needle seal, the head space needle seal sealing insertion institute
State in headspace sampling bottle, the volumetric bottle is also connected by the 4th check valve with the head space needle seal.
2. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is that the gas tank bottle body side is connected with the first valve, for as high pure nitrogen inlet valve；
First valve connects the gas tank bottle by the 5th check valve；
The gas tank bottle body opposite side is connected with air valve, for discharging gas in the gas tank bottle.
3. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is that the surface that the piston is contacted with the gas tank bottle is provided with piston seal packing ring.
4. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is that the volumetric bottle is connected by screw thread with quantitative bottle base；
The second valve is connected between second check valve and the volumetric bottle.
5. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is that connecting rod is housed on the piston plate；
The connecting rod is hollow design, and the connecting rod bottom is provided with the 7th check valve, for discharging the gas in volumetric bottle.
6. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is that the surface that the piston plate is contacted with the volumetric bottle is provided with piston plate seal washer.
7. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is that second check valve is connected with the one end for the oil pipe stretched in sample bottle, the other end of the oil pipe extend into described
The bottom of sample bottle.
8. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is to be also associated with the 3rd valve and the 4th valve between the 3rd check valve and the head space needle seal；
Described 4th check valve one end is connected with the volumetric bottle, and the 4th check valve other end is connected to the 3rd valve
And between the 4th valve.
9. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is that the head space needle seal is also connected with the 5th valve, the 6th check valve and measuring instrument injection port in turn；
The headspace sampling bottle is positioned in heater.
10. the headspace sampling device of hermetically sealed quantitative measurement transformer oil solvent components according to claim 1, its feature
It is that the measuring instrument injection port is docked with head-space sampler injection port, for being used in combination with head-space sampler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621178588.0U CN206132737U (en) | 2016-11-03 | 2016-11-03 | Totally enclosed quantitative measurement transformer oil dissolves head space sampling device of composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621178588.0U CN206132737U (en) | 2016-11-03 | 2016-11-03 | Totally enclosed quantitative measurement transformer oil dissolves head space sampling device of composition |
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| CN206132737U true CN206132737U (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621178588.0U Active CN206132737U (en) | 2016-11-03 | 2016-11-03 | Totally enclosed quantitative measurement transformer oil dissolves head space sampling device of composition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856297A (en) * | 2019-01-18 | 2019-06-07 | 梁永革 | A kind of drug inspection head-space sampling device |
-
2016
- 2016-11-03 CN CN201621178588.0U patent/CN206132737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856297A (en) * | 2019-01-18 | 2019-06-07 | 梁永革 | A kind of drug inspection head-space sampling device |
| CN109856297B (en) * | 2019-01-18 | 2021-01-29 | 梁永革 | Headspace sampling device for medicine inspection |
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