CN203164162U - Balanced carrier gas taking device - Google Patents
Balanced carrier gas taking device Download PDFInfo
- Publication number
- CN203164162U CN203164162U CN 201320176542 CN201320176542U CN203164162U CN 203164162 U CN203164162 U CN 203164162U CN 201320176542 CN201320176542 CN 201320176542 CN 201320176542 U CN201320176542 U CN 201320176542U CN 203164162 U CN203164162 U CN 203164162U
- Authority
- CN
- China
- Prior art keywords
- tracheae
- housing
- gas
- maintaining valve
- gas taking
- 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
- 239000012159 carrier gas Substances 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000000087 stabilizing effect Effects 0.000 abstract 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000010358 mechanical oscillation Effects 0.000 description 3
- 238000004868 gas analysis Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a balanced carrier gas taking device for analyzing dissolved gas in transformer oil in the power industry. The device comprises a shell, a pressure gauge, a pressure stabilizing valve, an air inlet pipe and a gas taking pipe, wherein the pressure stabilizing valve is arranged in the shell; the air inlet pipe communicated with the air inlet of the pressure stabilizing valve is fixed on the side wall of the shell; the gas taking pipe is placed in the shell; the lower end of the gas taking pipe is fixed on the air outlet of the pressure stabilizing valve, the upper end of the gas taking pipe is positioned above a shell upper panel, a sealing gasket is pressed in the upper port of the gas taking pipe, and a pressing cap is twisted outside gas taking pipe; and the pressure gauge communicated with the other air outlet of the pressure stabilizing valve is fixed on the shell upper panel through a pressure gauge fixing rack. After the device takes the gas, the stability of a base line is ensured, long-time safe and stable work of a chromatograph is ensured, the walking-around times of testers is reduced, the working strength is lightened, the working efficiency is improved, and the test accuracy is ensured.
Description
Technical field
The utility model relates to power industry when doing the transformer dissolved gas analysis used a kind of balance carrier gas collector.
Background technology
At present degas method adopts the mode of mechanical oscillation when power industry is done the transformer dissolved gas analysis, by outgasing after the glass syringe sampling back vibration balance, owing to be injector sampling on gas chromatograph, will have following problem:
1. influence chromatograph and normally move, cause baseline fluctuation; 2. owing to frequently get gas and sample introduction analysis, make sample introduction pad pricking times too much, cause the gas leakage of sample introduction pad, will change the sample introduction pad at sample more for a long time, in order to guarantee that not burning chromatographic conductance cell accessory need close chromatograph, reduce work efficiency when changing the sample introduction pad; Testing crew will be walked up and down in the position that chromatograph and oil sample are put when 3. adding the balance carrier gas, has increased working strength, easily causes the fatigue of testing crew, loses one's bearings sometimes, causes test findings to go wrong.
Summary of the invention
In order to address the above problem, the utility model provides a kind of balance carrier gas collector.This device guarantees baseline stability after getting gas, guarantees the long-time safe and stable operation of chromatograph; Reduce the testing crew number of times of walking up and down, alleviate working strength, increase work efficiency the warranty test accuracy.
Technical solutions of the utility model: a kind of balance carrier gas collector, comprise housing, tensimeter, pressure maintaining valve, draft tube and get tracheae, described pressure maintaining valve places in the housing, fixing draft tube and be communicated with the air intake opening of pressure maintaining valve on the housing sidewall, the above-mentioned tracheae of getting places in the housing, and the lower end is fixed on the gas outlet of pressure maintaining valve, and the upper end of getting tracheae is positioned on the housing top panel, get the inner pressuring sealing rubber cushion suitable for reading of tracheae, twist pressure cap outward; And fix the tensimeter that is communicated with another gas outlet of pressure maintaining valve 11 by the tensimeter fixed mount on the described housing top panel.
As preferably, the described suitable for reading and seal gasket of getting tracheae is corresponding notch cuttype; Have inverted cone V-arrangement pilot hole on the described pressure cap.
Regulate pressure for convenience, the adjusting knob on the above-mentioned pressure maintaining valve is positioned at outside the housing.
The beneficial effects of the utility model: the balance carrier gas collector after above-mentioned improvement, tracheae is suitable for reading to be corresponding shoulder hole to have guaranteed sealing with seal gasket owing to get; Have inverted cone V-arrangement pilot hole on the pressure cap, syringe needle penetrates smoothly and gets tracheae when conveniently getting gas; This device has been installed pressure maintaining valve, can be adjusted to suitable pressure when getting gas, has both guaranteed to get the pressure that gas needs, and is not excessive again, prevents that piston from ejecting.This collector can be connected near the mechanical oscillation instrument by pipeline, reduces the testing crew number of times of walking up and down, and alleviates working strength, increases work efficiency, and having solved taking-up 5mL nitrogen does not influence chromatograph and normally move, and guarantees baseline stability; The injector that has reduced on gas chromatograph is got the gas number of times, prolongs the serviceable life of sample introduction pad, guarantees the long-time safe and stable operation of chromatograph, has guaranteed the test accuracy.
Description of drawings
Fig. 1 is structural representation of the present utility model
Fig. 2 is outside drawing of the present utility model.
1-lock nut among the figure, the 2-seal gasket, the 3-pressure cap, the 4-set nut, 5-gets tracheae, 6-limit cover plate one, the 7-back shroud, 8-draft tube, 9-foot pad, 10-limit cover plate two, 11-pressure maintaining valve, the 12-hold-down nut, 13-adjusting knob, 14-tensimeter fixture, 15-tensimeter, 16-housing top panel.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By Figure 1 and Figure 2, this balance carrier gas collector, comprise housing, tensimeter 15, pressure maintaining valve 11, draft tube 8 and get tracheae 5, the rectangular parallelepiped that described housing is welded by limit cover plate 1, limit cover plate 2 10, back shroud 7, front shroud, upper cover plate 16 and lower cover, lower housing portion is fixed 4 foots pad 9 and is supported, housing top panel 16 is made up of 120 degree inclined-planes and plane, as shown in Figure 2; Above-mentioned pressure maintaining valve 11 places in the housing by the nut 12 that is supported on the sidewall, and the adjusting knob 13 on the pressure maintaining valve 11 is positioned at outside the housing, can be adjusted to suitable pressure when getting gas, has both guaranteed to get the pressure that gas needs, and is not excessive again, prevents that piston from ejecting; Fixing draft tube 8 on the housing sidewall, draft tube 8 is communicated with air intake opening on the pressure maintaining valve 11; The above-mentioned tracheae 5 of getting places in the housing, and the lower end of getting tracheae 5 is fixed on the gas outlet of pressure maintaining valve 11 and with it and is communicated with, and gets the upper end of tracheae 5 and stretches out from housing top panel 16, and it is fixing by set nut 4 and lock nut 1 with the junction of housing to get tracheae 5; Get the inner pressuring sealing rubber cushion 2 suitable for reading of tracheae 5, twist pressure cap 3 outward, as shown in Figure 1; In addition, by the tensimeter fixed mount 14 fixing tensimeters 15 that are communicated with another gas outlet of pressure maintaining valve 11, the data disks of tensimeter 15 is positioned on the inclined-plane, the convenient observation as shown in Figure 2 on the inclined-plane of described housing top panel 16.
As preferably, the last internal orifice of getting tracheae 5 is notch cuttype, and the seal gasket 2 of the notch cuttype that interior pressure is corresponding with it is twisted pressure cap 3 outward, guarantees the sealing property of the mouth of pipe; Have inverted cone V-arrangement pilot hole on the described pressure cap 3, syringe needle penetrates smoothly and gets tracheae 5 when conveniently getting gas, as shown in Figure 1.
This device is an independently collector, can be connected near the mechanical oscillation instrument by pipeline.During experiment, this device generally is installed in the carrier gas endpiece of the clarifier that chromatograph uses, pressure is no more than 0.6Mp, the clarifier outlet is opened, with a threeway pass of giving vent to anger of clarifier is gone on the draft tube 8 of balance carrier gas collector, be rotated counterclockwise the pressure maintaining valve adjusting knob, close pressure maintaining valve, open source of the gas (pressure is no more than 0.6Mp), the pressure maintaining valve adjusting knob that slowly turns clockwise is transferred to pressure 0.01 and is caused 0.02Mp
AgainGet gas with 5 mL syringes at pressure cap circular cone V-arrangement pilot hole.Reduce the testing crew number of times of walking up and down like this, alleviate working strength, increase work efficiency, taking out 5mL nitrogen does not influence chromatograph and normally moves, and guarantees baseline stability; The injector that has reduced on gas chromatograph is got the gas number of times, prolongs the serviceable life of seal gasket, guarantees the long-time safe and stable operation of chromatograph, has guaranteed the test accuracy.
Claims (4)
1. balance carrier gas collector, comprise housing, tensimeter (15), pressure maintaining valve (11), draft tube (8) and get tracheae (5), it is characterized in that: described pressure maintaining valve (11) places in the housing, fixing draft tube (8) and be communicated with the air intake opening of pressure maintaining valve on the housing sidewall, the above-mentioned tracheae (5) of getting places in the housing, the lower end of getting tracheae (5) is fixed on the gas outlet of pressure maintaining valve (11), the upper end of getting tracheae (5) is positioned on the housing top panel (16), get the inner pressuring sealing rubber cushion suitable for reading (2) of tracheae, twist pressure cap (3) outward; And described housing top panel (16) is gone up by the fixing tensimeter (15) that is communicated with another gas outlet of pressure maintaining valve (11) of tensimeter fixed mount (14).
2. balance carrier gas collector according to claim 1, it is characterized in that: the described suitable for reading and seal gasket (2) of getting tracheae (5) is corresponding notch cuttype.
3. balance carrier gas collector according to claim 1 is characterized in that: have inverted cone V-arrangement pilot hole on the described pressure cap (3).
4. balance carrier gas collector according to claim 1, it is characterized in that: the adjusting knob (13) on the above-mentioned pressure maintaining valve (11) is positioned at outside the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320176542 CN203164162U (en) | 2013-04-10 | 2013-04-10 | Balanced carrier gas taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320176542 CN203164162U (en) | 2013-04-10 | 2013-04-10 | Balanced carrier gas taking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203164162U true CN203164162U (en) | 2013-08-28 |
Family
ID=49025339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320176542 Expired - Fee Related CN203164162U (en) | 2013-04-10 | 2013-04-10 | Balanced carrier gas taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203164162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605071A (en) * | 2016-02-19 | 2016-05-25 | 深圳市华星光电技术有限公司 | Capillary chromatographic column auxiliary mounting nut and capillary chromatographic column mounting method |
-
2013
- 2013-04-10 CN CN 201320176542 patent/CN203164162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605071A (en) * | 2016-02-19 | 2016-05-25 | 深圳市华星光电技术有限公司 | Capillary chromatographic column auxiliary mounting nut and capillary chromatographic column mounting method |
| CN105605071B (en) * | 2016-02-19 | 2017-10-24 | 深圳市华星光电技术有限公司 | Capillary chromatographic column auxiliary installs nut and capillary chromatographic column installation method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20200410 |