CN211478209U - Auxiliary device for on-site gas detection - Google Patents
Auxiliary device for on-site gas detection Download PDFInfo
- Publication number
- CN211478209U CN211478209U CN201921872821.9U CN201921872821U CN211478209U CN 211478209 U CN211478209 U CN 211478209U CN 201921872821 U CN201921872821 U CN 201921872821U CN 211478209 U CN211478209 U CN 211478209U
- Authority
- CN
- China
- Prior art keywords
- gas
- pipe
- auxiliary device
- connecting pipe
- conical
- 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.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an auxiliary device for detecting gas on site, which comprises a gas taking bottle, a quick interface and a sample collecting auxiliary part; the sample collection auxiliary comprises a first connecting pipe, a second spring pipe, a third sampling pipe and a manual sampling valve, wherein one end of the first connecting pipe is connected with the gas taking bottle, the other end of the first connecting pipe is connected with the second spring pipe through the manual sampling valve, and the second spring pipe is connected with the third sampling pipe; the manual sampling valve is provided with a ventilation capsule, a conical valve core and an adjusting sleeve, the ventilation capsule is connected with the manual sampling valve, the conical valve core is abutted against the air inlet of the first connecting pipe, and one end of the adjusting sleeve is connected with the second spring pipe while the other end is connected with the first connecting pipe. The auxiliary device for detecting gas on site of the utility model has scientific and reasonable design, simply changes the sample collecting auxiliary part, can quickly sample and detect on site, can pack the sample and bring the sample back to the laboratory for detection, and is convenient and quick; and simple structure, adaptation different occasions are worth promoting.
Description
Technical Field
The utility model relates to a detecting instrument technical field, concretely relates to gaseous auxiliary device of witnessed inspections.
Background
Gas detection is a necessary procedure for detecting the passing of some import and export products. The present gas detector is an instrument and meter tool for detecting gas leakage concentration, which includes: portable gas detectors, hand-held gas detectors, stationary gas detectors, online gas detectors, and the like. Gas sensors are used to detect the types of gases present in the environment, gas sensors are sensors used to detect the composition and content of gases. Portable gas sensors, however, can only detect a few types of gases.
During gas detection, the gas detector is usually required to be placed at a position needing to be detected, but an object needing to be detected is corrosive or toxic, an auxiliary device is required, and most of the gas is collected through a pipeline. At present, no auxiliary gas taking device which can be used as a portable gas detector for taking gas and can be used as a large box-type gas detector is available.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reasonable in design, simple structure, the gaseous auxiliary device of witnessed inspections who adapts to different occasions.
In order to overcome the defects in the prior art, the utility model adopts the following technical scheme:
an auxiliary device for detecting gas on site comprises a gas taking bottle, a quick interface and a sample collecting auxiliary, wherein the quick interface and the sample collecting auxiliary are connected with the gas taking bottle; the sample collection auxiliary comprises a first connecting pipe, a second spring pipe, a third sampling pipe and a manual sampling valve, wherein one end of the first connecting pipe is connected with the gas taking bottle, the other end of the first connecting pipe is connected with the second spring pipe through the manual sampling valve, and the second spring pipe is connected with the third sampling pipe; the manual sampling valve is provided with a ventilation capsule, a conical valve core and an adjusting sleeve, the ventilation capsule is connected with the manual sampling valve, the conical valve core is abutted against the air inlet of the first connecting pipe, and one end of the adjusting sleeve is connected with the second spring pipe while the other end is connected with the first connecting pipe.
Furthermore, the second spring pipe is provided with a movable plate connected with the conical valve core, and the movable plate is connected and fixed with the adjusting sleeve.
Furthermore, the movable plate is provided with a vent hole, and the vent hole is communicated with the second spring tube and a valve cavity of the manual sampling valve.
Furthermore, a notch is formed in the conical valve core, and the notch facilitates arrangement of a plurality of vent holes.
Furthermore, the air inlet of the first connecting pipe is conical, the conical air inlet is matched with the conical valve core, an inlet sealing ring is arranged on the air inlet, and the inlet sealing ring is located at the tail end of the air inlet.
Furthermore, a vacuum meter is arranged on the gas taking bottle and communicated with the inside of the gas taking bottle.
Further, the quick interface is respectively connected with the vacuum pump and the gas detector. Therefore, the vacuum pump can be used for cleaning the gas taking bottle and can be used for detecting the gas detector in a butt joint mode.
Furthermore, be equipped with the horn mouth on the third sampling tube, the horn mouth is connected in the third sampling tube outermost end, and the horn mouth design is conveniently got gas.
The auxiliary device for detecting gas on site of the utility model has scientific and reasonable design, simply changes the sample collecting auxiliary part, can quickly sample and detect on site, can pack the sample and bring the sample back to the laboratory for detection, and is convenient and quick; and simple structure, adaptation different occasions are worth promoting.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive exercise according to the drawings:
FIG. 1 is a schematic view of an embodiment of an auxiliary device for on-site gas detection according to the present invention;
FIG. 2 is a schematic partial cross-sectional view of a sample collection accessory of an accessory device for in situ detection of a gas.
Detailed description 3221
The present invention will be described in detail with reference to the drawings and specific embodiments, and the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
As shown in fig. 1 and 2, an auxiliary device for on-site gas detection comprises a gas taking bottle 1, a quick connector 2 and a sample collection auxiliary 3, wherein the quick connector 2 and the sample collection auxiliary 3 are both connected with the gas taking bottle 1; the sample collection auxiliary 3 comprises a first connecting pipe 31, a second spring pipe 32, a third sampling pipe 33 and a manual sampling valve 34, one end of the first connecting pipe 31 is connected with the gas taking bottle 1, the other end of the first connecting pipe is connected with the second spring pipe 32 through the manual sampling valve 34, and the second spring pipe 32 is connected with the third sampling pipe 33; the manual sampling valve 34 is provided with a ventilation capsule 341, a conical valve core 342 and an adjusting sleeve 343, the ventilation capsule 341 is connected with the manual sampling valve 34, the conical valve core 342 is pressed against the air inlet 311 of the first connecting pipe 31, and one end of the adjusting sleeve 343 is connected with the second spring pipe 32 and the other end is connected with the first connecting pipe 31.
Preferably, the second spring tube 32 is provided with a movable plate 321 connected with the conical valve core 342, and the movable plate 321 is fixedly connected with the adjusting sleeve 343. The movable plate 321 is provided with a vent hole 322, and the vent hole 322 is communicated with the valve cavities of the second spring tube 32 and the manual sampling valve 34. The conical valve core 342 is provided with a notch 344, and the notch 344 facilitates the arrangement of the plurality of vent holes 322.
In some embodiments, the gas inlet 311 of the first connection pipe 31 is conical, the conical gas inlet 311 is matched with the conical valve core 342, and the inlet sealing ring 312 is arranged on the gas inlet 311, and the inlet sealing ring 312 is located at the extreme end of the gas inlet 311. The figures show sealing rings elsewhere, which are not described in detail here, and the person skilled in the art will be able to understand their function in connection with the figures.
Furthermore, a vacuum meter 11 is arranged on the gas taking bottle 1, and the vacuum meter 11 is communicated with the inside of the gas taking bottle 1. The quick interface 2 is respectively connected with a vacuum pump and a gas detector. Therefore, the vacuum pump can be used for cleaning the gas taking bottle 1 and can be used for detecting a gas detector in a butt joint mode. The third sampling tube 33 is provided with a bell mouth 331, the bell mouth 331 is connected at the outermost end of the third sampling tube 33, and the bell mouth 331 is designed to facilitate gas taking.
The use method 1: the auxiliary device for detecting gas on site is used for taking gas (nontoxic and non-corrosive gas) for the portable gas detector, the detection head of the portable gas detector is connected with the quick interface 2, then the ventilation capsule 341 is arranged to open the conical valve core 342 of the manual sampling valve 34, the sample collection auxiliary 3 is connected into a passage, the bell mouth 331 of the third sampling tube 33 is placed at a place needing to be detected, the ventilation capsule 341 is pressed for several times, the gas in the gas taking bottle 1, the quick interface 2 and the sample collection auxiliary 3 is discharged by utilizing the siphon principle, then the gas to be detected is sucked in, the concentration of the gas to be detected is the same as that of the gas on the detector after the gas is circulated for several times, and the portable gas detector can accurately obtain parameters.
The use method 2: the auxiliary device for detecting gas on site is used for pre-vacuum-treating the gas taking bottle 1 for taking gas (toxic and corrosive gas) by the portable gas detector, and the detection head of the portable gas detector needs to be sealed with the gas taking bottle 1. Taking down the ventilation capsule 341 and closing the channel of the ventilation capsule 341, and exactly speaking, the switch is arranged at the interface of the ventilation capsule 341; the conical valve core 342 on the manual sampling valve 34 is also closed, the vacuum pump is connected with the quick connector 2, then the vacuum is pumped, the indication number of the vacuum meter 11 is seen to stay between-300 mbar and-600 mbar for 20s, the indication number is not changed greatly (the manual sampling valve 34 is proved to be airtight), and then the valve of the quick connector 2 is closed. The portable gas detector is connected with the quick interface 2 during detection, the bell mouth 331 of the third sampling tube 33 is placed at a place needing to be detected, the valve of the quick interface 2 is opened, then the manual sampling valve 34 is opened, and the gas cylinder 1 is taken to rapidly suck the gas at the detected place into the portable gas detector for detection due to different vacuum reasons.
The use method 3: the auxiliary device for detecting gas on site is used for taking a gas sample for a large box-type gas detector, as the method described in the method 2 is used, the gas taking bottle 1 is vacuumized in advance, then the gas at the detected place is sucked into the gas taking bottle 1 by using different vacuum pressures, all valves are closed, a gas sample is stored, and then the gas sample is taken back to the large box-type gas detector in a laboratory for detecting the gas.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An auxiliary device for on-site gas detection, characterized in that: the device comprises a gas taking bottle (1), a quick connector (2) and a sample collecting accessory (3), wherein the quick connector (2) and the sample collecting accessory (3) are connected with the gas taking bottle (1); the sample collection auxiliary part (3) comprises a first connecting pipe (31), a second spring pipe (32), a third sampling pipe (33) and a manual sampling valve (34), one end of the first connecting pipe (31) is connected with the gas taking bottle (1), the other end of the first connecting pipe is connected with the second spring pipe (32) through the manual sampling valve (34), and the second spring pipe (32) is connected with the third sampling pipe (33); the manual sampling valve (34) is provided with a ventilation capsule (341), a conical valve core (342) and an adjusting sleeve (343), the ventilation capsule (341) is connected with the manual sampling valve (34), the conical valve core (342) is pressed against an air inlet (311) of the first connecting pipe (31), one end of the adjusting sleeve (343) is connected with the second spring pipe (32), and the other end of the adjusting sleeve (343) is connected with the first connecting pipe (31).
2. The auxiliary device for on-site detection of a gas according to claim 1, wherein:
the second spring tube (32) is provided with a movable plate (321) connected with the conical valve core (342), and the movable plate (321) is fixedly connected with the adjusting sleeve (343).
3. The auxiliary device for on-site detection of a gas according to claim 2, wherein:
and the movable plate (321) is provided with a vent hole (322), and the vent hole (322) is communicated with the second spring pipe (32) and a valve cavity of the manual sampling valve (34).
4. The auxiliary device for on-site detection of a gas according to claim 3, wherein:
the conical valve core (342) is provided with a notch (344), and the notch (344) facilitates the arrangement of the vent holes (322).
5. The auxiliary device for on-site detection of a gas according to claim 1, wherein:
the air inlet (311) of the first connecting pipe (31) is conical, the conical air inlet (311) is matched with the conical valve core (342), an inlet sealing ring (312) is arranged on the air inlet (311), and the inlet sealing ring (312) is located at the tail end of the air inlet (311).
6. An aid for the on-site detection of a gas according to any one of claims 1 to 5, characterised in that:
the vacuum meter (11) is arranged on the gas taking bottle (1), and the vacuum meter (11) is communicated with the inside of the gas taking bottle (1).
7. The auxiliary device for on-site detection of a gas according to claim 6, wherein:
the quick interface (2) is respectively connected with the vacuum pump and the gas detector.
8. The auxiliary device for on-site detection of a gas according to claim 1, wherein:
the third sampling tube (33) is provided with a bell mouth (331), and the bell mouth (331) is connected at the outermost end of the third sampling tube (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921872821.9U CN211478209U (en) | 2019-11-03 | 2019-11-03 | Auxiliary device for on-site gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921872821.9U CN211478209U (en) | 2019-11-03 | 2019-11-03 | Auxiliary device for on-site gas detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211478209U true CN211478209U (en) | 2020-09-11 |
Family
ID=72378705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921872821.9U Active CN211478209U (en) | 2019-11-03 | 2019-11-03 | Auxiliary device for on-site gas detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211478209U (en) |
-
2019
- 2019-11-03 CN CN201921872821.9U patent/CN211478209U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207675383U (en) | A kind of air-tightness tester | |
| CN212621742U (en) | Portable soil gas sampling device | |
| WO2022246775A1 (en) | Portable blowing type alcohol concentration measuring device and measuring method | |
| CN211478209U (en) | Auxiliary device for on-site gas detection | |
| CN105928667A (en) | Non-enclosed body leakage detection method and apparatus | |
| CN116754321A (en) | Gas sampler for environmental monitoring | |
| CN104697822B (en) | A kind of expiration sampling bottle available for SPME | |
| CN205333371U (en) | Empty gas analysis of branch that can arrange sweeping gas outward concentrates sample cabinet | |
| CN209570407U (en) | Sampler is used in a kind of detection of industrial waste gas | |
| CN205228896U (en) | Gaseous test sampling device of multi -functional SF6 | |
| CN206996308U (en) | Dry filter membrane cartridge test equipment | |
| CN203231876U (en) | Glove leak detector applied to portable isolator | |
| CN206974636U (en) | A kind of device for testing blood plasma separate cup sealing | |
| CN207336006U (en) | A kind of gas circuit missing inspection device of gas sampler | |
| CN211856053U (en) | Multi-channel synchronous sampling device for atmospheric detection | |
| CN106959221A (en) | A kind of surgery check sampling device | |
| CN208505704U (en) | It is a kind of for taking the device of gas | |
| CN208537472U (en) | A kind of online moisture separator of mass spectrum | |
| CN206891922U (en) | A kind of Cigarette ventilation rate measurement apparatus | |
| CN108548701A (en) | A kind of device for taking gas | |
| CN215004556U (en) | Unpowered instantaneous sampler | |
| CN205844302U (en) | A kind of on-the-spot emergent rapid detection box | |
| CN104535376A (en) | Gas collecting device | |
| CN213209637U (en) | A device for natural gas sample and hydrogen sulfide detect | |
| CN207649847U (en) | The airtight detection storehouse of people's air defense wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An auxiliary device for on-site gas detection Effective date of registration: 20230324 Granted publication date: 20200911 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Haizhu branch Pledgor: Guangdong Dewei Inspection and Certification Co.,Ltd. Registration number: Y2023980036148 |