CN209102693U - A kind of multistation gas detecting instrument verification machine feeder - Google Patents
A kind of multistation gas detecting instrument verification machine feeder Download PDFInfo
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- CN209102693U CN209102693U CN201821898751.XU CN201821898751U CN209102693U CN 209102693 U CN209102693 U CN 209102693U CN 201821898751 U CN201821898751 U CN 201821898751U CN 209102693 U CN209102693 U CN 209102693U
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- Prior art keywords
- gas
- valve
- detecting instrument
- air feed
- multistation
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- 238000012795 verification Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 172
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of multistation gas detecting instrument verification machine feeders, including multiple air feed bottles, the gas distribution mechanism and multichannel connecting with multiple air feed bottles are connect with the gas distribution mechanism and the vent line of respectively multiple gas detecting instrument gas transmissions, each air feed bottle passes through air supply pipe respectively and connect with the gas distribution mechanism, pressure reducing valve and the first valve are provided on the air supply pipe, the vent line includes multiple branch's snorkels connecting respectively with the gas distribution mechanism, the second valve is provided on branch's snorkel, for detecting the flow sensor of gas supply flow and for detection gas leaked gas sensor.The utility model structure is simple, realizes the gas supply to multiple gas detecting instruments, and realize the gas supply of various concentration gas, so as to realize the calibrating demand of various concentration gas detecting instrument.
Description
Technical field
The utility model belongs to gas detecting instrument calibrating supply technology field, more particularly, to a kind of multistation gas detection
Instrument verification machine feeder.
Background technique
Gas detecting instrument is a kind of gas leakage Concentration Testing instrument and meter, mainly detects environment using gas sensor
Present in gas concentration.Gas detecting instrument is widely used in each row such as petrochemical industry, safety and environmental protection, chemical industry in recent years
Industry, the use especially in petrochemical industry are more extensive.Once there is display mistake in gas detecting instrument or numerical bias is biggish
Situation will then can cause casualties, environmental pollution, the substantial industrials accident such as stop work and production, and lead to people's life safety and state
Family's property is damaged.Therefore, whether gas detecting instrument works normally property safety and the field operation people of direct relation enterprise
The life security of member.
The calibrating for the first time and gas detecting instrument periodic calibration work of the generally new purchase gas detecting instrument of the calibrating of gas detecting instrument
Make, but the country is still in manual hand manipulation for the calibrating of gas detecting instrument at present examines and determine the stage.Nowadays do not occur one
Kind of multistation gas detecting instrument verification machine examines and determine gas detecting instrument, thus nowadays lacks that a kind of structure is simple, design
Multistation gas detecting instrument verification machine feeder reasonable and easy to operate realizes the gas supply to multiple gas detecting instruments, full
The calibrating of sufficient multistation gas detecting instrument, and realize the gas supply of various concentration gas, so as to realize that the calibrating of gas detecting instrument needs
It asks.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of multiplexing
Position gas detecting instrument verification machine feeder, simple structure and reasonable design and easy to use are realized and are examined to multiple gases
The gas supply for surveying instrument meets the calibrating of multistation gas detecting instrument, and realizes the gas supply of various concentration gas, so as to realize gas inspection
The calibrating demand of instrument is surveyed, it is practical.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of multistation gas detecting instrument inspection
Determine machine feeder, it is characterised in that: including multiple air feed bottles, the gas distribution mechanism connecting with multiple air feed bottles and more
Road is connect with the gas distribution mechanism and the vent line of respectively multiple gas detecting instrument gas transmissions, each air feed bottle point
Not Tong Guo air supply pipe connect with the gas distribution mechanism, be provided with pressure reducing valve and the first valve on the air supply pipe, it is described logical
Air pipe includes multiple branch's snorkels connecting respectively with the gas distribution mechanism, and is provided on branch's snorkel
Two valves, the flow sensor for detecting gas supply flow and be used for detection gas leaked gas sensor, the air supply pipe
On be provided with pressure sensor group.
A kind of above-mentioned multistation gas detecting instrument verification machine feeder, it is characterised in that: the pressure sensor group
Including the first pressure sensor for detecting air feed bottle outlet pressure and the second pressure for detecting pressure after air feed bottle depressurizes
Force snesor.
A kind of above-mentioned multistation gas detecting instrument verification machine feeder, it is characterised in that: the gas distribution mechanism
Including first gas distributing valve, second gas distributing valve and it is connected between first gas distributing valve and second gas distributing valve
Main channel, the first gas distributing valve are connect with the air supply pipe.
A kind of above-mentioned multistation gas detecting instrument verification machine feeder, it is characterised in that: the first gas distribution
Valve and equal four one, second gas distributing valve logical switching ball valves, and the first gas distributing valve is that four into one four one gone out are led to
Switch ball valve, the second gas distributing valve is one into the four four one logical switching ball valves gone out.
Above-mentioned a kind of multistation gas detecting instrument verification machine feeder, it is characterised in that: first valve and
Two valves are solenoid valve.
Above-mentioned a kind of multistation gas detecting instrument verification machine feeder, it is characterised in that: contained in the air feed bottle
There are Standard CO, hydrogen sulfide standard gas, Standard Gas of Methane or oxygen calibrating gas.
Above-mentioned a kind of multistation gas detecting instrument verification machine feeder, it is characterised in that: in multiple air feed bottles
The concentration of the calibrating gas of splendid attire is sequentially increased.
Compared with the prior art, the utility model has the following advantages:
1, the utility model is able to satisfy the gas supply calibrating of multiple gas detecting instruments, can simply and quickly examine for multiple gases
Instrument gas supply is surveyed, the needs of current high-volume gas detecting instrument rapid verification are adapted to.
2, multiple air feed bottles are set in the utility model, realize the gas supply of various concentration gas, so as to realize gas detection
The calibrating demand of instrument.
3, multiple air feed bottles are arranged in the utility model, avoid the gas source of manual switching various concentration, reduce manipulation strength；And
Pressure sensor group is set and realizes pressure detecting after air feed bottle outlet pressure and air feed bottle decompression, guarantees that air feed bottle can be detection work
Position provides lasting gas, and so that the supply gas pressure after decompression is met calibrating and require；Flow sensor is arranged to realize in gas supply
The detection of flow avoids the occurrence of the overproof phenomenon of flow, is examined and determine and is required with accurate satisfaction.
4, gas sensor is arranged in the utility model, is to detect vent line with the presence or absence of gas and leak, it is ensured that supply
The air pipe leakage that will not happen suddenly causes the accidents such as personal injury, improves the safety of equipment and the person.
In conclusion the utility model simple structure and reasonable design and it is easy to use, using effect is good, realize pair
The gas supply of multiple gas detecting instruments meets the calibrating of multistation gas detecting instrument, and realizes the gas supply of various concentration gas, so that
It realizes the calibrating demand of various concentration gas detecting instrument, reduces labor intensity, it is practical.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Description of symbols:
1-air feed bottle；2-first pressure sensors；3-the first valve；
4-pressure reducing valves；5-second pressure sensors；6-first gas distributing valves；
7-branch's snorkels；8-the second valve；9-flow sensors；
10-gas sensors；11-main channels；12-gas detecting instruments；
13-second gas distributing valves.
Specific embodiment
As shown in Figure 1, the utility model includes multiple air feed bottles 1, the gas dispenser that connect with multiple air feed bottles 1
Structure and multichannel are connect with the gas distribution mechanism and the vent line of respectively multiple 12 gas transmissions of gas detecting instrument, each described
Air feed bottle 1 is connect by air supply pipe with the gas distribution mechanism respectively, and pressure reducing valve 4 and the first valve are provided on the air supply pipe
Door 3, the vent line includes multiple branch's snorkels 7 connecting respectively with the gas distribution mechanism, branch's ventilation
It is provided with the second valve 8, the flow sensor 9 for detecting gas supply flow on pipe 7 and is passed for detection gas leaked gas
Sensor 10 is provided with pressure sensor group on the air supply pipe.
In the present embodiment, the pressure sensor group includes sensing for detecting the first pressure of 1 outlet pressure of air feed bottle
Device 2 and for detect air feed bottle 1 depressurize after pressure second pressure sensor 5.
In the present embodiment, the gas distribution mechanism includes first gas distributing valve 6, second gas distributing valve 13 and connection
Main channel 11 between first gas distributing valve 6 and second gas distributing valve 13, the first gas distributing valve 6 with it is described
Air supply pipe connection.
In the present embodiment, the first gas distributing valve 6 and 13 equal four one, second gas distributing valve logical switching ball valves, and
The first gas distributing valve 6 is four into the one four one logical switching ball valves gone out, and the second gas distributing valve 13 is one into four
The logical switching ball valve of four one out.
In the present embodiment, first valve 3 and the second valve 8 are solenoid valve.
In the present embodiment, Standard CO, hydrogen sulfide standard gas, methane mark are loaded in the air feed bottle 1
Quasi- gas or oxygen calibrating gas.
In the present embodiment, the concentration of the calibrating gas contained in multiple air feed bottles 1 is sequentially increased.
In the present embodiment, setting is not able to satisfy calibrating and requires because the outlet of air feed bottle 1 is pressed in 10MPa~15MPa,
Therefore setting pressure reducing valve 4, by air feed bottle 1 outlet pressure reduce until the air supply pipe outlet pressure be 0.2MPa~
0.3MPa。
In the present embodiment, during actual use, the quantity of the air feed bottle 1 is three, three air feed bottles 1 it is dense
Degree is sequentially increased, and respectively low concentration air feed bottle, middle concentration air feed bottle and high concentration air feed bottle.
In the present embodiment, carbon monoxide, methane, hydrogen sulfide or oxygen can be contained in the air feed bottle 1, to meet
The demand of CO gas detector, methane gas detector, hydrogen sulfide gas detector or oxygen gas detector.
In the present embodiment, the setting of first gas distributing valve 6, be for the ease of the low concentration air feed bottle, it is described in it is dense
Degree air feed bottle and high concentration air feed bottle switching are supplied, by the folding of the first valve 3, to realize various concentration mark
The gas supply of quasi- gas avoids the multiple gas sources of manual switching, operates convenient laborsaving.
In the present embodiment, the setting of second gas distributing valve 13, be in order to by 6 output end of first gas distributing valve all the way
Gas is converted to multipath gas output, consequently facilitating supplying to multiple gas detecting instruments 12, to guarantee multiple branch's air supply pipes 7
Uniform flow, it is ensured that 12 Supplying gas condition of gas detecting instrument is identical, improves the accuracy of calibrating.
In the present embodiment, setting first pressure sensor 2 detects 1 outlet pressure of air feed bottle, when first pressure passes
The outlet pressure that sensor 2 detects is less than outlet pressure setting value, and gas is insufficient in air feed bottle 1, needs replacing air feed bottle 1；The
Pressure after the decompression of two 5 pairs of pressure sensors detects, the outlet pressure after decompression that second pressure sensor 3 detects
Pressure set points after depressurizing are not met, staff needs to be adjusted, and pressure after decompression is avoided to be unsatisfactory for gas detection calibrating
It is required that.
In the present embodiment, it should be noted that the concentration of the high concentration air feed bottle, middle concentration gas supply and low concentration gas supply
Range can be examined according to CO gas detector, methane gas detector, hydrogen sulfide gas detector or oxygen gas
The calibrating for surveying instrument requires to be contained.
When the utility model is specifically used, each branch's snorkel 7 is connect with multiple gas detecting instruments 12, according to gas
The calibrating of detector 12 needs, first valve 3 closure of the operation setting on the air supply pipe, so that the high concentration be made to supply
Bottle, the middle concentration air feed bottle or the low concentration air feed bottle are connected to gas distributing valve 6, meanwhile, the second valve 8 of operation closes
Close, by main channel 11 and multiple branch's snorkels 7 be respectively multiple gas detecting instruments 12 provide high standard gases, in
Concentration standard gas or low concentration calibrating gas, so that gas detecting instrument 12 is examined and determine.
During for the ventilation of gas detecting instrument 12, flow sensor 9 examines the flow in branch's snorkel 7
It surveys, so that flow sensor 9 detects that flow meets flow setting value；Gas sensor 10 is to the gas outside branch's snorkel 7
Concentration is detected, and when gas sensor 10 detects gas concentration, gases did escape is withdrawn in time, reduces supply air line
The accidents such as personal injury caused by burst leakage, improve the safety of equipment and the person.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (7)
1. a kind of multistation gas detecting instrument verification machine feeder, it is characterised in that: including multiple air feed bottles (1), with it is multiple
The gas distribution mechanism and multichannel of air feed bottle (1) connection are connect with the gas distribution mechanism and respectively multiple gas inspections
The vent line of instrument (12) gas transmission is surveyed, each air feed bottle (1) is connect by air supply pipe with the gas distribution mechanism respectively,
Be provided with pressure reducing valve (4) and the first valve (3) on the air supply pipe, the vent line include it is multiple respectively with the gas point
Branch's snorkel (7) of fitting mechanism connection is provided with the second valve (8) on branch's snorkel (7), for detecting for air-flow
The flow sensor (9) of amount and it to be used for detection gas leaked gas sensor (10), pressure biography is provided on the air supply pipe
Sensor group.
2. a kind of multistation gas detecting instrument verification machine feeder described in accordance with the claim 1, it is characterised in that: the pressure
Force snesor group includes first pressure sensor (2) for detecting air feed bottle (1) outlet pressure and for detecting air feed bottle (1)
The second pressure sensor (5) of pressure after decompression.
3. a kind of multistation gas detecting instrument verification machine feeder described in accordance with the claim 1, it is characterised in that: the gas
Body distributor gear include first gas distributing valve (6), second gas distributing valve (13) and be connected to first gas distributing valve (6) with
Main channel (11) between second gas distributing valve (13), the first gas distributing valve (6) connect with the air supply pipe.
4. a kind of multistation gas detecting instrument verification machine feeder described in accordance with the claim 3, it is characterised in that: described
One gas distributing valve (6) and equal four one, second gas distributing valve (13) logical switching ball valves, and the first gas distributing valve (6)
The four one logical switching ball valves gone out for four into one, the second gas distributing valve (13) are one into the four four one logical switching balls gone out
Valve.
5. a kind of multistation gas detecting instrument verification machine feeder described in accordance with the claim 1, it is characterised in that: described
One valve (3) and the second valve (8) are solenoid valve.
6. a kind of multistation gas detecting instrument verification machine feeder described in accordance with the claim 1, it is characterised in that: the confession
Standard CO, hydrogen sulfide standard gas, Standard Gas of Methane or oxygen calibrating gas are loaded in gas cylinder (1).
7. a kind of multistation gas detecting instrument verification machine feeder described in accordance with the claim 1, it is characterised in that: Duo Gesuo
The concentration for stating the calibrating gas contained in air feed bottle (1) is sequentially increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898751.XU CN209102693U (en) | 2018-11-16 | 2018-11-16 | A kind of multistation gas detecting instrument verification machine feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898751.XU CN209102693U (en) | 2018-11-16 | 2018-11-16 | A kind of multistation gas detecting instrument verification machine feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102693U true CN209102693U (en) | 2019-07-12 |
Family
ID=67160263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821898751.XU Expired - Fee Related CN209102693U (en) | 2018-11-16 | 2018-11-16 | A kind of multistation gas detecting instrument verification machine feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849946A (en) * | 2019-11-04 | 2020-02-28 | 苏州热工研究院有限公司 | Calibration device and calibration method for oxygen detection alarm |
| CN112485383A (en) * | 2020-12-14 | 2021-03-12 | 上海新奥林汽车传感器有限公司 | Circulating air supply system for testing automobile air quality sensor |
-
2018
- 2018-11-16 CN CN201821898751.XU patent/CN209102693U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849946A (en) * | 2019-11-04 | 2020-02-28 | 苏州热工研究院有限公司 | Calibration device and calibration method for oxygen detection alarm |
| CN112485383A (en) * | 2020-12-14 | 2021-03-12 | 上海新奥林汽车传感器有限公司 | Circulating air supply system for testing automobile air quality sensor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190712 Termination date: 20211116 |