CN106769267A - Sampling tube and gas detector - Google Patents
Sampling tube and gas detector Download PDFInfo
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- CN106769267A CN106769267A CN201611178947.7A CN201611178947A CN106769267A CN 106769267 A CN106769267 A CN 106769267A CN 201611178947 A CN201611178947 A CN 201611178947A CN 106769267 A CN106769267 A CN 106769267A
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- 238000005070 sampling Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 230000000694 effects Effects 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 78
- 238000007599 discharging Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 2
- 241001330002 Bambuseae Species 0.000 abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 2
- 239000011425 bamboo Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 102
- 238000000034 method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 4
- 239000013068 control sample Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
- G01N2001/242—Injectors or ejectors
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a sampling tube and a gas detector, and belongs to the technical field of oil gas concentration detection. The sampling tube comprises: the device comprises a sampling joint, a capacity cylinder and a detection joint; the first end of the sampling joint is communicated with the first end of the volumetric cylinder; a second end, opposite to the first end, of the volumetric cylinder is provided with an opening, a piston is arranged in the volumetric cylinder, the periphery of the piston is abutted against the inner wall of the volumetric cylinder, a preset opening is formed in the volumetric cylinder, the first end of the detection joint is connected with the preset opening, and the second end of the detection joint is communicated with the gas detection device; wherein, in the sampling joint is used for waiting to detect gaseous passing through sampling joint entering capacity section of thick bamboo, the piston is used for waiting to detect under gaseous pressure effect, moves along capacity section of thick bamboo inner wall to the messenger waits to detect gaseous passing through the detection joint and flows to gaseous detection device. The sampling tube and the gas detector provided by the invention improve the accuracy of the detection result of the gas to be detected.
Description
Technical field
The present invention relates to gas concentration detection technique field, more particularly to a kind of probe tube and gas detecting instrument.
Background technology
In oil and gas testing technique field, the concentration of gas is detected by gas detecting instrument, be that the technical field is normal
The operation seen.
In the prior art, the concentration of gas can be detected by portable gas detector.Refer to Fig. 1 institutes
Show, a kind of structural representation of portable gas detector that Fig. 1 is provided for prior art.The portable gas detector includes
Default probe tube 101, gas detection sensor 102 and default sample connection 103, gas detection sensor 102 is arranged on default
In probe tube 101, preset in the mouth of pipe of the default probe tube 101 of one end insertion of sample connection 1033, other end insertion Oil/Gas Pipe
In road, the default sample connection 103 is used to obtain gas to be detected from oil-gas pipeline, and the gas to be detected is incorporated into default
In probe tube 101, there is sampling to place mouth 1011 to preset probe tube 101, when the air in default probe tube 101 replaces discharge
Afterwards, gas detection sensor 102 can be placed in default probe tube 101 by sampling placement mouth 1011, by the gas
The concentration of gas to be detected in the default probe tube 101 of the detection of detection sensor 102.But, in detection process, can be because sampling
Air discharge in pipe is not thorough so that detected gas mix with air, so that testing result is inaccurate.
Therefore, using existing detection mode so that the accuracy rate of gas testing result to be detected is not high.
The content of the invention
The present invention provides a kind of probe tube and gas detecting instrument, to improve the accuracy of gas testing result to be detected.
The embodiment of the present invention provides a kind of probe tube, including：Sample connection, capacity tube and detection tabs；
The first end of the sample connection is connected with the first end of the capacity tube；The capacity tube with the first end
The second relative end is that opening is set, and is provided with piston in the capacity tube, the inwall of the periphery of the piston and the capacity tube
Contradict, default opening is provided with the capacity tube, the first end of the detection tabs is connected with the default opening, the inspection
The second end for surveying joint connects with gas-detecting device；
Wherein, the sample connection is used to by the sample connection enter gas to be detected in the capacity tube, institute
Piston is stated under the effect of the pressure of the gas to be detected, being moved along the capacity tube inwall, so that described to be detected
Gas flows to gas-detecting device by the detection tabs.
In an embodiment of the present invention, the default opening is arranged on the side wall of the capacity tube, the detection tabs with
The junction of the default opening be provided with can shutter door, detection valve, the detection valve are provided with the detection tabs
For when the piston be moved to it is described can shutter door top when, control it is described can shutter door open, when piston movement
To it is described can shutter door bottom when, control it is described can shutter door close.
In an embodiment of the present invention, the default opening is arranged on the first end of the capacity tube.
In an embodiment of the present invention, also include：
Handle, the handle is set through the second end of the capacity tube；One end of the handle is connected with the piston,
The other end of the handle is Handheld Division.
In an embodiment of the present invention, sample cock is provided with the sample connection, the sample cock is used to control
The flow of the gas to be detected that the second end of the sampling joint enters.
In an embodiment of the present invention, it is provided with scale value on the first direction of the capacity tube；The first direction is
Moving direction of the piston in the capacity tube.
In an embodiment of the present invention, also include：
Discharging tube, the discharging tube is connected with the first end of the capacity tube, and draining valve is provided with the discharging tube,
The discharging tube is used to for the steam in the gas to be detected and liquid precipitation to discharge the capacity tube, and the draining valve is used
In the control discharging tube.
In an embodiment of the present invention, the handle is provided with the first screw thread, at the opening at the second end of the capacity tube
The second screw thread is provided with, first screw thread is matched with second screw thread.Wherein, the external diameter of the handle and the capacity tube
The second end opening at internal diameter it is equal in magnitude.
In an embodiment of the present invention, the second end of the sample connection is provided with the 3rd screw thread；The sample connection
Second end is connected with the port of export of oil-gas pipeline, and the 3rd screw thread is matched with the 4th screw thread of the oil-gas pipeline port of export.
The embodiment of the present invention also provides a kind of portable gas detector, including：
Probe tube and gas-detecting device described in any of the above-described embodiment；The gas-detecting device connects with the detection
Head connection, the gas-detecting device is used to detect the concentration of gas to be detected in the capacity tube.
Probe tube provided in an embodiment of the present invention and gas detecting instrument, by being provided with piston, the week of piston in capacity tube
The inwall of side and capacity tube is contradicted, and default opening is provided with capacity tube so that the first end of detection tabs with it is default
Opening connection, the second end of detection tabs connects with gas-detecting device, so during gas concentration to be detected is detected,
With the inflow of gas to be detected, piston is moved from the first end of capacity tube to the second end of capacity tube；When piston movement exceedes
During the position of detection tabs, the gas to be detected of capacity tube can be entered into detection tabs, so that gas to be detected is by detection
Joint flows to gas-detecting device, and gas-detecting device can just be detected to the concentration of the gas to be detected, so as to improve
The accuracy of detection of gas to be detected.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description does one and simply introduces, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of structural representation of portable gas detector that Fig. 1 is provided for prior art；
Fig. 2 is a kind of structural representation of probe tube provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another probe tube provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another probe tube provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another probe tube provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of gas detecting instrument provided in an embodiment of the present invention.
Description of reference numerals：
101：Default probe tube；
1011：Mouth is placed in sampling；
102：Gas detection sensor；
103：Default sample connection；
20：Probe tube；
201：Sample connection；
2011：Sample cock；
2012：3rd screw thread；
202：Capacity tube；
2021：Piston；
2022：Default opening；
203：Detection tabs；
2031：Detection valve；
204：Handle；
2041：Handheld Division；
2042：First screw thread；
205：Discharging tube；
2051：Draining valve；
60：Gas detecting instrument；
601：Gas-detecting device.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd ", " in description and claims of this specification and above-mentioned accompanying drawing
Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage
Solution so data for using can be exchanged in the appropriate case, so as to embodiments of the invention described herein, for example can be with
Order in addition to those for illustrating herein or describing is implemented.Additionally, term " comprising " and " having " and they appoint
What deforms, it is intended that covering is non-exclusive to be included, for example, contain the process of series of steps or unit, method, system,
Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for
These processes, method, product or other intrinsic steps of equipment or unit.
It should be noted that these specific embodiments can be combined with each other below, for same or analogous concept
Or process may be repeated no more in certain embodiments.
Fig. 2 is a kind of structural representation of probe tube 20 provided in an embodiment of the present invention, and Fig. 3 is provided for the embodiment of the present invention
Another probe tube 20 structural representation；Refer to shown in Fig. 2 and Fig. 3, certainly, the embodiment of the present invention be with Fig. 2 and
Illustrated as a example by Fig. 3, but do not represented present invention is limited only by this.The probe tube 20 includes：Sample connection 201, capacity tube
202 and detection tabs 203.
The first end of sample connection 201 is connected with the first end of capacity tube 202；Capacity tube 202 it is relative with first end
Second end is set for opening, and piston 2021 is provided with capacity tube 202, and the periphery of piston 2021 contradicts with the inwall of capacity tube 202,
Default opening is provided with capacity tube 202, the first end of detection tabs 203 is connected with default opening 2022, detection tabs 203
Second end connects with gas-detecting device.
Wherein, sample connection 201 is used to by sample connection 201 enter gas to be detected in capacity tube 202, piston
2021 are used under the pressure effect of gas to be detected, are moved along the inwall of capacity tube 202, so that gas to be detected is by detection
Joint 203 flows to gas-detecting device.
Wherein, the possible realization side of mode including but not limited to the following two kinds of default opening is provided with capacity tube 202
Formula：
It is shown in Figure 2 in a kind of possible implementation：
Default opening 2022 is arranged on the side wall of capacity tube 202, and detection tabs 203 set with the junction of default opening 2022
Be equipped with can shutter door (not shown), be provided with detection tabs 203 detection valve 2031, detection valve 2031 be used for work as piston
2021 be moved to can shutter door top when, control can shutter door open, when piston 2021 be moved to can shutter door bottom when,
Control can shutter door closing.
In actual application, when default opening 2022 is arranged on the side wall of capacity tube 202, can be connect in detection
On first 203 with it is default opening 2022 junction be provided with can shutter door, so piston 2021 by capacity tube 202 first end
To the second end move during, when piston 2021 be moved to can shutter door bottom, can control can shutter door close, in case
Only air by this can shutter door enter into detection tabs 203, so as to influence the accuracy of detection of gas to be detected, work as piston
2021 be moved to can shutter door top when, can control can shutter door open so that gas to be detected can be opened by this
Close door to enter into detection tabs 203, so that gas to be detected flows to gas-detecting device, gas inspection by detection tabs 203
Surveying device can just detect to the concentration of the gas to be detected, so as to improve the accuracy of detection of gas to be detected.
It is shown in Figure 3 in alternatively possible implementation：
Default opening is arranged on the first end of capacity tube 202.
In actual application, the bottom of capacity tube 202 is arranged on by by default opening so that piston 2021 is being treated
Under the pressure of detection gas, once after being opened by the first end movement of capacity tube 202, the gas to be detected can just be directly entered
To in detection tabs 203, so that gas to be detected flows to gas-detecting device by detection tabs 203, gas-detecting device is just
The concentration of the gas to be detected can be detected, so as to improve the accuracy of detection of gas to be detected.Additionally, by by advance
If opening is arranged on the first end of capacity tube 202, the detection efficiency of gas to be detected can also be further provided for.
In actual application, when gas to be detected is entered in capacity tube 202 by sample connection 201, with treating
The inflow of gas is detected, piston 2021 is moved from the first end of capacity tube 202 to the second end of capacity tube 202；When piston 2021
When movement exceedes the position of detection tabs 203, the gas to be detected of capacity tube 202 can be entered into detection tabs 203, so as to treat
Detection gas flows to gas-detecting device by detection tabs 203, and gas-detecting device just can be to the dense of the gas to be detected
Degree is detected, so as to improve the accuracy of detection of gas to be detected.Simultaneously as piston 2021 is tight with the inwall of capacity tube 202
Closely connected conjunction so that the gas to be detected entered in capacity tube 202 is difficult leakage, effectively prevents operating personnel to be poisoned, and improves peace
Quan Xing.
Probe tube provided in an embodiment of the present invention 20, piston 2021, the week of piston 2021 are provided with by capacity tube 202
Side is contradicted with the inwall of capacity tube 202, and default opening 2022 is provided with capacity tube 202 so that detection tabs 203
First end is connected with default opening, and the second end of detection tabs 203 connects with gas-detecting device, is so detecting gas to be detected
During bulk concentration, with the inflow of gas to be detected, piston 2021 is from the first end of capacity tube 202 to capacity tube 202
Move at the second end；When position of the movement of piston 2021 more than detection tabs 203, the gas to be detected of capacity tube 202 can enter
To in detection tabs 203, so that gas to be detected flows to gas-detecting device by detection tabs 203, gas-detecting device is just
The concentration of the gas to be detected can be detected, so as to improve the accuracy of detection of gas to be detected.
Further, shown in Figure 4, Fig. 4 is that the structure of another probe tube 20 provided in an embodiment of the present invention is shown
It is intended to, certainly, the embodiment of the present invention is to be illustrated by taking Fig. 4 as an example, but is not represented present invention is limited only by this.The sampling
Pipe 20 also includes：Handle 204.
Handle 204, handle 204 is set through the second end of capacity tube 202；One end of handle 204 is connected with piston 2021,
The other end of handle 204 is Handheld Division 2041.Handle 204 is provided with the first screw thread 2042, the opening at the second end of capacity tube 202
Place is provided with the second screw thread, and the first screw thread 2042 is matched with the second screw thread.Wherein, the of the external diameter of handle 204 and capacity tube 202
Internal diameter at the opening at two ends is equal in magnitude.
In actual application, after gas to be detected is entered into capacity tube 202 by sample connection 201, hold
Piston 2021 in graduated cylinder 202 is moved under the pressure of gas to be detected along the inwall of capacity tube 202.When the gas to be detected for obtaining
After the volume of body reaches the first predetermined (such as volume V), piston 2021 is pulled to pre-determined bit by the hand-holdable handle 204 of operating personnel
Put (such as position of volume 2V), can by the gas dilution to be detected in capacity tube 202 to the 1/2 of original gas concentration to be detected,
By the step, excessive concentration can be effectively prevented beyond the detection limit of gas-detecting device, so as to cause gas to detect dress
The phenomenon for putting damage occurs.
Further, in order to protect operating personnel, the security of operation is improved, by being provided with the first spiral shell on handle 204
Line 2042, accordingly, is provided with the second screw thread matched with the first screw thread 2042 at the opening at the second end of capacity tube 202.By
The pressure of the gas to be detected being subject in piston 2021 is larger, and piston 2021 can be mobile rapidly along capacity tube 202, and easily ejection is held
Graduated cylinder 202, so as to injure operating personnel.Therefore, in embodiments of the present invention, by being provided with the first screw thread on handle 204
2042, piston 2021 is matched by the first screw thread 2042 on handle 204 with the second screw thread at the opening on capacity tube 202
Connection, can effectively prevent piston 2021 from ejecting capacity tube 202, improve the security of operation.
Optionally, sample cock 2011 is provided with sample connection 201, sample cock 2011 is used to control sample connection
The flow of the gas to be detected that 201 the second end enters.Second end of sample connection 201 is provided with the 3rd screw thread 2012；Sampling
Second end of joint 201 is connected with the port of export of oil-gas pipeline, the 4th screw thread of the 3rd screw thread 2012 and the oil-gas pipeline port of export
Matching.
Example, in embodiments of the present invention, by being provided with sample cock 2011, Ke Yitong on sample connection 201
The flow of the gas to be detected that the sample cock 2011 control is entered into capacity tube 202 is crossed, for example, when in capacity tube 202
When the flow of gas to be detected is less, continue to control sample cock 2011 to open, so that gas to be detected passes through the sample connection
201 enter into capacity tube 202, when the flow of the gas to be detected in capacity tube 202 is more, can control sample cock
2011 close the door, to avoid detection gas from being entered into capacity tube 202 by the sample connection 201.Further, by sampling
Second end of joint 201 is provided with the 3rd screw thread 2012 matched with the 4th screw thread of the oil-gas pipeline port of export so that Ke Yitong
3rd screw thread 2012 of over sampling joint 201 is connected with the 4th screw thread matching of the oil-gas pipeline port of export, can effectively prevent from treating
Detection gas sends leakage by the oil-gas pipeline port of export, so as to improve the security of operating personnel.
Optionally, it is provided with scale value on the first direction of capacity tube 202；First direction is piston 2021 in capacity tube
Moving direction in 202.
Further, for the volume of gas to be detected in precise volume cylinder 202, can be in the first party of capacity tube 202
Scale value is set up.Example, the volume markings on capacity tube 202 can be 0~2V.It is of course also possible to be other values,
Can specifically be configured according to actual needs, here, the embodiment of the present invention is not particularly limited.
Optionally, shown in Figure 5, Fig. 5 is the structural representation of another probe tube 20 provided in an embodiment of the present invention
Figure, certainly, the embodiment of the present invention is to be illustrated by taking Fig. 5 as an example, but is not represented present invention is limited only by this.The probe tube
20 also include：Discharging tube 205.
Discharging tube 205, discharging tube 205 is connected with the first end of capacity tube 202, and draining valve is provided with discharging tube 205
2051, discharging tube 205 is used for the steam in gas to be detected and liquid precipitation discharge capacity tube 202, and draining valve 2051 is used
In control discharging tube 205.
After gas to be detected proceeds to capacity tube 202 by sample connection 201, the steaming carried in the gas to be detected
Vapour or liquid deposition, by setting discharging tube 205, can will be deposited on capacity tube on the end face of the first end of capacity tube 202
Liquid discharge on the end face of 202 first end, so as to reduce the volume that other materials take in addition to gas to be detected, carries
The accuracy of detection of gas concentration to be detected high.
Fig. 6 is a kind of structural representation of gas detecting instrument 60 provided in an embodiment of the present invention, shown in Figure 6, when
So, the embodiment of the present invention is to be illustrated by taking Fig. 6 as an example, but is not represented present invention is limited only by this, the gas detecting instrument
60 include：
Probe tube 20 and gas-detecting device 601 shown in any of the above-described embodiment；Gas-detecting device 601 connects with detection
First 203 connection, gas-detecting device 601 is used for the concentration of gas to be detected in measurement capacity cylinder 202.
Optionally, the gas-detecting device 601 can be gas detection sensor, it is of course also possible to for other gases are examined
Device 601 is surveyed, here, the present invention is not particularly limited.Further, gas-detecting device 601 can be by flexible pipe and detection
Joint 203 is connected.
Gas detecting instrument provided in an embodiment of the present invention 60, can perform the technical scheme shown in above-described embodiment, in fact
Existing principle and beneficial effect are similar, are no longer repeated herein.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of probe tube, it is characterised in that including：Sample connection, capacity tube and detection tabs；
The first end of the sample connection is connected with the first end of the capacity tube；The capacity tube it is relative with the first end
The second end be that opening is set, be provided with piston in the capacity tube, the periphery of the piston contradicts with the inwall of the capacity tube,
Default opening is provided with the capacity tube, the first end of the detection tabs is connected with the default opening, and the detection connects
Second end of head connects with gas-detecting device；
Wherein, the sample connection is used to by the sample connection enter gas to be detected in the capacity tube, the work
Fill in under the effect of the pressure of the gas to be detected, being moved along the capacity tube inwall, so that the gas to be detected
Gas-detecting device is flowed to by the detection tabs.
2. probe tube according to claim 1, it is characterised in that
The default opening is arranged on the side wall of the capacity tube, and the detection tabs are set with the junction of the default opening
Have can shutter door, detection valve is provided with the detection tabs, described in the detection valve is used to being moved to when the piston
Can shutter door top when, control it is described can shutter door open, when the piston be moved to it is described can shutter door bottom when, control
System is described can shutter door closing.
3. probe tube according to claim 1, it is characterised in that
The default opening is arranged on the first end of the capacity tube.
4. the probe tube according to Claims 2 or 3, it is characterised in that also include：
Handle, the handle is set through the second end of the capacity tube；One end of the handle is connected with the piston, described
The other end of handle is Handheld Division.
5. the probe tube according to Claims 2 or 3, it is characterised in that
Sample cock is provided with the sample connection, the sample cock is used to control the second end of the sampling joint to enter
Gas to be detected flow.
6. the probe tube according to Claims 2 or 3, it is characterised in that
Scale value is provided with the first direction of the capacity tube；The first direction is the piston in the capacity tube
Moving direction.
7. the probe tube according to Claims 2 or 3, it is characterised in that also include：
Discharging tube, the discharging tube is connected with the first end of the capacity tube, and draining valve is provided with the discharging tube, described
Discharging tube is used to for the steam in the gas to be detected and liquid precipitation to discharge the capacity tube, and the draining valve is used to control
Make the discharging tube.
8. probe tube according to claim 4, it is characterised in that
The handle is provided with the first screw thread, and the second screw thread, described first are provided with the opening at the second end of the capacity tube
Screw thread is matched with second screw thread.Wherein, the internal diameter at the external diameter of the handle and the opening at the second end of the capacity tube
It is equal in magnitude.
9. probe tube according to claim 5, it is characterised in that
Second end of the sample connection is provided with the 3rd screw thread；Second end of the sample connection and the port of export of oil-gas pipeline
Connection, the 3rd screw thread is matched with the 4th screw thread of the oil-gas pipeline port of export.
10. a kind of portable gas detector, it is characterised in that including：
Probe tube and gas-detecting device described in the claims any one of 1-9；The gas-detecting device and the inspection
Joint connection is surveyed, the gas-detecting device is used to detect the concentration of gas to be detected in the capacity tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611178947.7A CN106769267A (en) | 2016-12-19 | 2016-12-19 | Sampling tube and gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611178947.7A CN106769267A (en) | 2016-12-19 | 2016-12-19 | Sampling tube and gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106769267A true CN106769267A (en) | 2017-05-31 |
Family
ID=58890858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611178947.7A Pending CN106769267A (en) | 2016-12-19 | 2016-12-19 | Sampling tube and gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106769267A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488579A (en) * | 2017-09-12 | 2019-03-19 | 中国石油天然气股份有限公司 | oil extraction device |
| CN109991395A (en) * | 2017-12-29 | 2019-07-09 | 中国石油天然气股份有限公司 | Concentration detection device and method thereof |
| CN111208264A (en) * | 2020-01-16 | 2020-05-29 | 赣州汇祥环保科技有限公司 | Indoor air pollution detection device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5578770A (en) * | 1995-09-11 | 1996-11-26 | Welker Engineering Company | Apparatus and method for gas detection |
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| CN109488579A (en) * | 2017-09-12 | 2019-03-19 | 中国石油天然气股份有限公司 | oil extraction device |
| CN109488579B (en) * | 2017-09-12 | 2020-12-01 | 中国石油天然气股份有限公司 | Oil extraction device |
| CN109991395A (en) * | 2017-12-29 | 2019-07-09 | 中国石油天然气股份有限公司 | Concentration detection device and method thereof |
| CN111208264A (en) * | 2020-01-16 | 2020-05-29 | 赣州汇祥环保科技有限公司 | Indoor air pollution detection device |
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