CN204758335U - Chromatogram sampler - Google Patents
Chromatogram sampler Download PDFInfo
- Publication number
- CN204758335U CN204758335U CN201520344273.8U CN201520344273U CN204758335U CN 204758335 U CN204758335 U CN 204758335U CN 201520344273 U CN201520344273 U CN 201520344273U CN 204758335 U CN204758335 U CN 204758335U
- Authority
- CN
- China
- Prior art keywords
- glass syringe
- flow divider
- equipment
- way flow
- chromatogram
- 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
- 239000011521 glass Substances 0.000 claims abstract description 39
- 238000005070 sampling Methods 0.000 claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 230000009514 concussion Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000004587 chromatography analysis Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Abstract
The utility model relates to a carry out oily chromatography's sampling equipment to electric power oil charge equipment, concretely relates to can realize a chromatogram sampler of the totally enclosed sample of electric power oil charge equipment. The tee bend flow divider that this equipment was held including the needle mouth that is used for the oil kind glass syringe of taking a sample and this glass syringe of rigid coupling, the fluid entry end intercommunication glass syringe needle mouth end of tee bend flow divider, one of which side flow body exit end intercommunication equipment sample valve port, its opposite side fluid issuing end constitutes the waste oil outlet port, the needle mouth of glass syringe end place terminal surface department still be provided with its lumen of intercommunication with geminate transistors intracavity oil appearance outgas vibrate the operation advance to outgas mouthful, enter to take off porting arrangement position and needle mouth end present position and dodge the setting each other. This equipment can be realized the oil appearance leakproofness of annotating the appearance in -process and draw and annotate the leakproofness test requirement after the appearance to can promote test accuracy nature by a wide margin.
Description
Technical field
The utility model relates to a kind of sampling equipment for carrying out oil chromatogram analysis to oil filled electric power equipment, is specifically related to a kind of chromatogram sampler that can realize the hermetically sealed sampling of oil filled electric power equipment.
Background technology
Drawing oil sample is a most important link in whole stratographic analysis process." Gases Dissolved in Transformer Oil analysis and judge directive/guide " regulation: " ... the glass syringe through leakage check stand the test should be used to draw oil sample ... the overall process drawn oil sample from equipment should be carried out under hermetic state, and oil sample must not contact with air ".But the actual site surrounding by scene limit, and the sampling method of current chromatogram oil sample is often: syringe of taking; Open equipment fuel outlet valve outer cap during sampling, turn on sample valve and put a little oil to lubricate injector push-rod.In syringe tube, extract injection putter, and seal the pin mouth end of syringe tube with little glue head.Syringe tube is inverted its tail end oral area is rested fuel outlet valve exit to intercept oil sample.After getting suitable oil mass oil sample, again get back into injection putter, and make syringe bobbin mouth end upward, arrange air and unnecessary oil sample in it, finally complete extraction.
As can be seen from above-mentioned sampling mode, though it employs glass syringe according to directive/guide regulation, whole sampling process exposes in atmosphere completely, does not reach hermetically sealed sampling, has run counter to Gases Dissolved in Transformer Oil analysis and has judged the regulation of directive/guide.On the one hand, due to the tail port open of whole syringe during sampling, cause oil sample to expose, cause the gas componant in air to be dissolved in oil sample.On the other hand, when taking oil sample unnecessary in exhaustjet device and air after oil sample, need to open little glue head and make it be exposed in air, the second time caused again between air with oil sample mixes in this process, thus exacerbate fluid exposure problem, thus bring devastating impact to the accuracy of test result.In addition, above-mentioned unnecessary oil sample and air discharge process, yet can cause fluid to overflow and the situation of stained syringe outside surface and sampling human hand.How to seek a kind of note sample procedure seals good chromatogram sampler, to promote test accuracy, thus meeting detection demand and the accuracy requirement at increasing scene, is the technical barrier that this area is urgently to be resolved hurrily in recent years.
Summary of the invention
The purpose of this utility model is to provide a kind of rational in infrastructure and chromatogram sampler of practicality, and it can realize the oil sample sealing noted in sample process and extract and performing leak test requirement after note sample, thus significantly can promote test accuracy,
For achieving the above object, the utility model have employed following technical scheme:
A kind of chromatogram sampler, is characterized in that: this equipment comprises the three-way flow divider valve for the glass syringe of oil sample sampling and the pin mouth end of this glass syringe affixed; The fluid intake end of described three-way flow divider valve is communicated with glass syringe pin mouth end, one side liquid endpiece connectivity device sampling valve port, and its opposite side fluid outlet forms waste oil outlet port; The end, pin mouth end place of described glass syringe is also provided with and is communicated with its tube chamber with what carry out degassed concussion operation to oil sample in tube chamber and enters degassed mouth, described in enter degassed mouth position and setting is dodged each other in pin mouth end present position.
Described glass syringe pin mouth end arranges external thread, the corresponding layout internal thread in fluid intake end place of three-way flow divider valve, forms the affixed cooperation of screw thread between the two.
This equipment also comprises the plug for transition connection device sampling valve port and three-way flow divider valve, described plug is placed in the fluid outlet place, side for connectivity device sampling valve port of three-way flow divider valve, plug profile is in the cylinder tubular structure possessing hollow cavity, plug equal this fluid outlet caliber for one end external diameter coordinated with the fluid outlet of three-way flow divider valve, form expansion chuck affixed cooperation between the two.
The push rod outer wall frosted process of described glass syringe.
The syringe tube outer wall frosted process of described glass syringe.
The beneficial effects of the utility model are:
1), the utility model abandoned traditional pure syringe sampling mode, by setting up auxiliary sampling equipment, and the divided fluid stream ability utilizing three-way flow divider valve to possess, thus the oil sample under realizing air-proof condition gets liquid requirement.The stopple coupon formed due to glass syringe is directly communicated with three-way flow divider valve, switched by the runner of switch on three-way flow divider valve, the oil sample that can realize the glass syringe place in confined space gets the discharge object of liquid and waste gas and waste liquid, finally avoid traditional when cleaning glass syringe and sampling before sampling repeatedly combustion gas waste liquid time the air that causes be mixed into situation.In addition, utilize glass syringe is set up enter degassed mouth, can be synchronous realize the degassed function of its online concussion, without the need to additionally again processing in laboratory, thus it is dangerous to reduce further air exposure, and whole procedure seals is higher.
The utility model is practical and sealing is reliable, is easy to carry, the regulation of hermetically sealed sampling during easy to operate, obvious sampling process can meet completely " Gases Dissolved in Transformer Oil analysis and judge directive/guide ".Sampling disposable completing and without the need to secondary treating, operating personnel can not even touch oil sample, clean and convenient as far as possible less.Its test result error is little, can be chromatography analysis and judgment equipment failure and provides strong guarantee.
2), by the screw-threaded engagement of glass syringe and three-way flow divider valve, position tightness between the two and sealing can further effectively be ensured.The fluid intake end switch of three-way flow divider valve is directly closed when having sampled, seal with rubber cap without the need to deviating from syringe, directly utilize the sealing function of three-way flow divider valve self can ensure the external sealing of the pin mouth end of glass syringe, thus avoid causing when use rubber cap entering air and polluting oil sample situation.Meanwhile, the reliable connection of glass syringe and above-mentioned fluid intake end, also ensure that the syringe self seal in earthquake degasification process, prevents the extra spilling of oil sample and gas, its reliable and stable work.
3), the layout of plug, for the correct installation between three-way flow divider valve and equipment sampling valve port and be firmly connected and provide basic guarantee.By plug for selecting with the large ting model that equipment samples the hollow cavity that valve port coordinates, can coordinate different model get hydraulic fluid port and synchronous ensure both fitted seal.Even can to arrange in pairs or groups corresponding flexible rubber hose, realize long apart under equipment sampling object, to guarantee that eminence sampling etc. is by the convenient sampling demand under sampler space restriction state.
4), after the outside surface frosted process of glass syringe, what specific surface was smooth more easily pastes number label, adds difficult drop-off in thermal shock process.The frosted process at push rod place, then further can promote the fitted seal between push rod and syringe tube internal chamber wall, to promote its sealing sampling effect.
Accompanying drawing explanation
Fig. 1 is the perspective view of glass syringe;
Fig. 2 is the cross-sectional view of three-way flow divider valve;
Fig. 3 is the working state figure of the utility model under oil sample gets liquid status;
Fig. 4 is that the utility model is getting rid of the working state figure under waste oil waste gas state;
Fig. 5 is the working state figure under the fluid intake end cut-off state of three-way flow divider valve.
Illustrate each label and component names corresponding relation of the present utility model is as follows:
10-glass syringe 11-pin mouth end 12-enters degassed mouth
20-three-way flow divider valve 30-plug
Embodiment
For ease of understanding, composition graphs 1-5 does following further describing to concrete enforcement structure of the present utility model and the course of work herein:
As shown in Figure 1-2, it forms by the stopple coupon formed with glass syringe 10 with connector two parts that three-way flow divider valve 20 is formed the utility model concrete structure.As shown in Figure 1, the front end of the glass syringe pipe shaft that outside surface frosted inner surface is smooth, is provided with pin mouth end 11 and enters degassed mouth 12 glass syringe 10 structure, and push rod outside surface frosted process also coordinates with forming to push to slide between syringe pipe shaft.Pin mouth end 11 arranges external thread, to engage each other between the internal thread being installed in 20 fluid intake end places of the distributing T-pipe on pin mouth end 11.Enter degassed mouth 12 position and pin mouth holds 11 present positions to dodge each other, also namely position is non-interference between the two, so that install relevant device.The utility model utilizes the shunting principle of " enters scene 2 " of three-way flow divider valve 20, after its fluid intake end is communicated with glass syringe 10 pin mouth end, two fluid outlet forms the connectivity device sampling link of valve port and the waste oil outlet port for combustion gas waste oil respectively.At the link place of above-mentioned three-way flow divider valve 20, filling has bobbin shape plug 30, its lumen diameter 2 ~ 5mm not etc., can from the sampling valve port grafting of different size, and synchronously can ensure sealing.According to sampling environment, plug 30 place also can coordinate corresponding flexible rubber hose, to realize convenient sampling needs.
During the actual use of the utility model, sample in the steps below: first use Capsule to be sealed into degassed mouth 12, three-way flow divider valve 20 is affixed each other according to above-mentioned connected mode.First as shown in Figure 3, the switch direction of three-way flow divider valve 20 is rotated to communication of fluid inlet end and a link, by sample tap pressure or pull push rod gently, oil sample is sampled valve port, link, fluid intake end and entering in glass syringe 10 by equipment.Rotate three-way flow divider valve 20 switch when getting a certain amount of, as shown in Figure 4 the runner of three-way flow divider valve 20 is changed into being communicated with of waste oil outlet port and fluid intake end; Promote push rod the air in glass syringe 10 and oil sample are discharged by waste oil outlet port, repeat above step 2-3 deaeration and cleaning glass syringe 10.After above-mentioned removing and cleaning operation complete, now again repeat the sampling operation shown in Fig. 3, until when oil sample slowly to flow in glass syringe 10 to respective amount voluntarily, swivel tee diverting valve 20 switch is as shown in Figure 5 to block fluid intake end again, closing device sampling valve port, labelled at glass syringe 10, complete sampling process.When carrying out concussion degassing experiment, from entering degassed mouth 12 nitrogen injection, to carry out adding thermal shock degassed, can take out gas sample to analyze from entering degassed mouth 12.
The utility model is rational in infrastructure and practical, and it can realize the sealing requirements noting sample process, the regulation of hermetically sealed sampling during sampling process can meet completely " Gases Dissolved in Transformer Oil analysis and judge directive/guide ".Its test accuracy is high, and test result error can significantly be reduced, and then can meet increasing Site Detection demand and accuracy requirement, finally can be chromatography analysis and judgment equipment failure and provides strong guarantee.
Claims (5)
1. a chromatogram sampler, is characterized in that: this equipment comprises the three-way flow divider valve (20) for the glass syringe (10) of oil sample sampling and the pin mouth end (11) of this glass syringe affixed (10); The fluid intake end of described three-way flow divider valve (20) is communicated with glass syringe (10) pin mouth end, one side liquid endpiece connectivity device sampling valve port, and its opposite side fluid outlet forms waste oil outlet port; Pin mouth end (11) end, place of described glass syringe (10) is also provided with and is communicated with its tube chamber with what carry out degassed concussion operation to oil sample in tube chamber and enters degassed mouth (12), described in enter degassed mouth (12) position and setting is dodged each other in pin mouth end (11) present position.
2. a kind of chromatogram sampler according to claim 1, it is characterized in that: described glass syringe (10) pin mouth end arranges external thread, the corresponding layout internal thread in fluid intake end place of three-way flow divider valve (20), forms the affixed cooperation of screw thread between the two.
3. a kind of chromatogram sampler according to claim 1, it is characterized in that: this equipment also comprises the plug (30) for transition connection device sampling valve port and three-way flow divider valve (20), described plug (30) is placed in the fluid outlet place, side for connectivity device sampling valve port of three-way flow divider valve (20), plug (30) profile is in the cylinder tubular structure possessing hollow cavity, plug (30) equal this fluid outlet caliber for one end external diameter coordinated with the fluid outlet of three-way flow divider valve (20), form the affixed cooperation of expansion chuck between the two.
4. a kind of chromatogram sampler according to claim 1 or 2 or 3, is characterized in that: the push rod outer wall frosted process of described glass syringe (10).
5. a kind of chromatogram sampler according to claim 1 or 2 or 3, is characterized in that: the syringe tube outer wall frosted process of described glass syringe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344273.8U CN204758335U (en) | 2015-05-25 | 2015-05-25 | Chromatogram sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344273.8U CN204758335U (en) | 2015-05-25 | 2015-05-25 | Chromatogram sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204758335U true CN204758335U (en) | 2015-11-11 |
Family
ID=54473033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520344273.8U Expired - Fee Related CN204758335U (en) | 2015-05-25 | 2015-05-25 | Chromatogram sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204758335U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389841A (en) * | 2017-08-31 | 2017-11-24 | 国网河南省电力公司检修公司 | A kind of hermetically sealed injector of dielectric oil chromatographic analysis |
| CN112432830A (en) * | 2020-11-09 | 2021-03-02 | 中车株洲电机有限公司 | Device and method for preparing blank oil sample of transformer insulating oil |
| CN114878732A (en) * | 2022-06-15 | 2022-08-09 | 成都科林分析技术有限公司 | Gas chromatography sample injection method for gas extraction |
-
2015
- 2015-05-25 CN CN201520344273.8U patent/CN204758335U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389841A (en) * | 2017-08-31 | 2017-11-24 | 国网河南省电力公司检修公司 | A kind of hermetically sealed injector of dielectric oil chromatographic analysis |
| CN107389841B (en) * | 2017-08-31 | 2019-06-04 | 国网河南省电力公司检修公司 | A kind of hermetically sealed sample injector of dielectric oil chromatographic analysis |
| CN112432830A (en) * | 2020-11-09 | 2021-03-02 | 中车株洲电机有限公司 | Device and method for preparing blank oil sample of transformer insulating oil |
| CN114878732A (en) * | 2022-06-15 | 2022-08-09 | 成都科林分析技术有限公司 | Gas chromatography sample injection method for gas extraction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20210525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |