CN209624515U - Portable methane sensor checking instrument - Google Patents
Portable methane sensor checking instrument Download PDFInfo
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- CN209624515U CN209624515U CN201821794015.XU CN201821794015U CN209624515U CN 209624515 U CN209624515 U CN 209624515U CN 201821794015 U CN201821794015 U CN 201821794015U CN 209624515 U CN209624515 U CN 209624515U
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- methane
- bottle
- checking instrument
- sensor checking
- methane sensor
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Abstract
The utility model provides a kind of portable methane sensor checking instrument, comprising: for placing the cabinet of the methane sensor checking instrument；Wherein, the methane sensor checking instrument includes air bottle and methane calibrating gas bottle, and the bottle mouth position of the air bottle and methane calibrating gas bottle is respectively successively arranged pressure gauge and flow control valve；It is interconnected between two flow control valves using tee tube, the tee tube another port connection flowmeter is for verifying methane transducer.By simplifying methane sensor checking instrument, and its volume is simplified, cabinet can be packed into, it is easy to carry；Methane sensor checking instrument is taken out out of cabinet when using；Due to being not required to when verification with another air supply source, confessing verification gas, facilitate the verification and use under field condition, the tester is mating integral, convenient for being equipped with preservation and carrying.
Description
Technical field
The utility model relates to instrument calibration technology fields, more particularly to a kind of portable methane sensor checking instrument.
Background technique
Methane sensor checking instrument is mainly used for verifying and demarcates methane transducer, with air school zero and methane gas sample
Calibration two kinds of functions of calibration.However, since existing methane sensor checking instrument is more complicated, it is not readily portable to make to scene
With being unable to satisfy the application of the special screnes such as existing open air, underground.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of portable methane to sense
Device tester, for solving the problems, such as that methane sensor checking instrument should not carry in the prior art.
In order to achieve the above objects and other related objects, the utility model provides a kind of portable methane transducer verification
Instrument, comprising:
For placing the cabinet of the methane sensor checking instrument；Wherein, the methane sensor checking instrument includes air
The bottle mouth position of bottle and methane calibrating gas bottle, the air bottle and methane calibrating gas bottle is respectively successively arranged pressure gauge and flow is adjusted
Valve；It is interconnected between two flow control valves using tee tube, the tee tube another port connection flowmeter is used for
Verify methane transducer.
In an embodiment of the utility model, the capacity specifications of the air bottle and the methane calibrating gas bottle are less than etc.
In 1 liter.
In an embodiment of the utility model, the capacity specifications of the air bottle and the methane calibrating gas bottle are 0.3
It rises, corresponding pressure is 20Mpa.
In an embodiment of the utility model, the air bottle and the respective pressure gauge of methane calibrating gas bottle are subsidiary
There is switch.
In an embodiment of the utility model, the material of the air bottle and the methane calibrating gas bottle is steel cylinder institute
System.
In an embodiment of the utility model, card is cased with outside the bottle of the air bottle and the methane calibrating gas bottle
Button.
In an embodiment of the utility model, pressure reducer is equipped between the pressure gauge and flow control valve.
In an embodiment of the utility model, the tee tube, the flowmeter and the methane transducer to be verified
Between be connected to using soft gas-guide tube.
In an embodiment of the utility model, the range of flow of the air bottle and methane calibrating gas bottle is 0.1~1L/
min。
In an embodiment of the utility model, the center line and plumb line angle of the flowmeter are no more than 5 degree.
As described above, the portable methane sensor checking instrument of the utility model, has the advantages that
By simplifying methane sensor checking instrument, and its volume is simplified, cabinet can be packed into, it is easy to carry；When making
Used time takes out methane sensor checking instrument out of cabinet；It is convenient existing due to being not required to verify gas with another air supply source, confession when verification
Verification and use under field condition, the tester is mating integral, saves and carries convenient for being equipped with.
Detailed description of the invention
Fig. 1 is shown as portable methane sensor checking instrument structural schematic diagram provided by the utility model.
Component label instructions:
1 flow control valve
2 pressure reducers
3 switches
4 methane calibrating gas bottles
5 buckles
6 hoses
7 flowmeters
8 air bottles
9 tee tubes
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Please refer to Fig. 1.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the utility model can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, it should all still fall in the utility model institute
The technology contents of announcement obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right",
The term of " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Its relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Referring to Fig. 1, providing a kind of portable methane sensor checking instrument structural schematic diagram for the utility model, comprising:
For placing the cabinet of the methane sensor checking instrument, filled layer is provided in the cabinet, have in filled layer with
The concave volume that the methane sensor checking instrument shape and structure matches can not only place methane transducer verification by the concave volume
Instrument, moreover it is possible to fix its position in cabinet, achieve the purpose that stable.Wherein, the methane sensor checking instrument includes air bottle 8
Pressure gauge (pressure gauge is respectively successively arranged with the bottle mouth position of methane calibrating gas bottle 4, the air bottle 8 and methane calibrating gas bottle 4
Side be equipped with switch 3) and flow control valve 1；It is interconnected between two flow control valves 1 using tee tube 9, it is described
9 another pipeline (another port) of tee tube connection flowmeter 7 is for verifying methane transducer.
In the present embodiment, the capacity specifications of the air bottle 8 and the methane calibrating gas bottle 4 are less than or equal to 1 liter；It is described
The capacity specifications of air bottle and the methane calibrating gas bottle are 0.3 liter, and corresponding pressure is 20Mpa.
Wherein, the air bottle 8 is accompanied with switch 3, switch controls with the respective pressure gauge of the methane calibrating gas bottle 4
Whether corresponding gas cylinder externally exports or stores gas.
The material of the air bottle and the methane calibrating gas bottle is that steel cylinder is made, to ensure the safety of stored gas
Property, convenient for compression storage and transport.
It is cased with buckle outside the bottle of the air bottle and the methane calibrating gas bottle, first plays protection by being equipped with buckle
Second two kinds of gas cylinders can be fixed in cabinet by effect by buckling.
In addition, being equipped with pressure reducer 2 between the pressure gauge and flow control valve 1, wherein the pressure gauge and switch can
It is integrated design, pressure gauge reaction gas pressure in the bottle size at any time, pressure reducer is to ensure that the pressure in the bottle is excessively depressured, flow
Regulating valve is for uninterrupted in regulation pipe.
It is connected between the tee tube, the flowmeter and the methane transducer to be verified using soft gas-guide tube,
It is easy to carry by soft air duct, convenient for storage after subsequent use.
Air bottle can only fill air, and methane calibrating gas bottle can only fill methane gas sample, must not be replaced mutually, to guarantee
Verification gas is clean gas, and the center line and plumb line angle of the flowmeter are no more than 5 degree, it is ensured that flowmeter can be vertical
Installation, to guarantee that the flow read when verification is accurate.
When in use, the range of flow of the air bottle and methane calibrating gas bottle is 0.1~1L/min, is removed out of cabinet
Gas-guide tube makes it connect methane transducer to be verified, first slowly opens air bottle switch, closes methane calibrating gas bottle switch, adjustment
Flow control valve, making its flow is respectively 0.2L/min, and 0.5L/min carries out air " school zero ", and each testing time is 3min,
Complete school zero.It is subject to school zero again, methane transducer is demarcated, open methane calibrating gas bottle switch, close air bottle and open
It closes, equally control flow control valve, making its flow is respectively 0.2L/min, and 0.5L/min carries out methane correction, after the completion of correction
Close methane calibrating gas bottle switch.
In conclusion the utility model, which passes through, simplifies methane sensor checking instrument, and its volume is simplified, can be packed into
Cabinet, it is easy to carry；Methane sensor checking instrument is taken out out of cabinet when using；Due to verification when be not required to another air supply source,
Confession verification gas facilitates the verification and use under field condition, and the tester is mating integral, saves and takes convenient for being equipped with
Band.So the utility model effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (7)
1. a kind of portable methane sensor checking instrument characterized by comprising
For placing the cabinet of the methane sensor checking instrument；It is provided with filled layer in the cabinet, has in filled layer and the first
The concave volume that alkane sensor calibration instrument shape and structure matches；Wherein, the methane sensor checking instrument includes air bottle and methane
The bottle mouth position of calibrating gas bottle, the air bottle and methane calibrating gas bottle is respectively successively arranged pressure gauge and flow control valve；Two
It is interconnected between the flow control valve using tee tube, the tee tube another port connection flowmeter is for verifying methane
Sensor；The capacity specifications of the air bottle and the methane calibrating gas bottle are less than or equal to 1 liter, and corresponding pressure is 20Mpa；
The center line and plumb line angle of the flowmeter are no more than 5 degree.
2. portable methane sensor checking instrument according to claim 1, which is characterized in that the air bottle and the first
The respective pressure gauge of alkane calibrating gas bottle is accompanied with switch.
3. portable methane sensor checking instrument according to claim 1, which is characterized in that the air bottle and the first
The material of alkane calibrating gas bottle is that steel cylinder is made.
4. portable methane sensor checking instrument according to claim 1, which is characterized in that the air bottle and the first
Buckle is cased with outside the bottle of alkane calibrating gas bottle.
5. portable methane sensor checking instrument according to claim 1, which is characterized in that the pressure gauge and flow tune
Pressure reducer is equipped between section valve.
6. portable methane sensor checking instrument according to claim 1, which is characterized in that the tee tube, the stream
It is connected between meter and methane transducer to be verified using soft gas-guide tube.
7. portable methane sensor checking instrument according to claim 1, which is characterized in that the air bottle and methane mark
The range of flow of quasi- gas cylinder is 0.1~1L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821794015.XU CN209624515U (en) | 2018-11-01 | 2018-11-01 | Portable methane sensor checking instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821794015.XU CN209624515U (en) | 2018-11-01 | 2018-11-01 | Portable methane sensor checking instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209624515U true CN209624515U (en) | 2019-11-12 |
Family
ID=68442594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821794015.XU Active CN209624515U (en) | 2018-11-01 | 2018-11-01 | Portable methane sensor checking instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209624515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930679A (en) * | 2019-12-31 | 2020-03-27 | 重庆美卓科技股份有限公司 | Gas detection Internet of things alarm control system and method |
-
2018
- 2018-11-01 CN CN201821794015.XU patent/CN209624515U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930679A (en) * | 2019-12-31 | 2020-03-27 | 重庆美卓科技股份有限公司 | Gas detection Internet of things alarm control system and method |
| CN110930679B (en) * | 2019-12-31 | 2024-02-13 | 重庆美卓科技股份有限公司 | Gas detection Internet of things alarm control system and method |
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