CN109738591A - A kind of gas alarm device caliberating device - Google Patents
A kind of gas alarm device caliberating device Download PDFInfo
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- CN109738591A CN109738591A CN201910125931.7A CN201910125931A CN109738591A CN 109738591 A CN109738591 A CN 109738591A CN 201910125931 A CN201910125931 A CN 201910125931A CN 109738591 A CN109738591 A CN 109738591A
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- gas
- gas alarm
- alarm device
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- snorkel
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- 238000009434 installation Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 description 63
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of gas alarm device caliberating devices, including fixed cell, gas circuit unit, air supply unit, the first solenoid valve and second solenoid valve；The fixed cell is equipped with several locating pieces, for fixing gas alarm device to be measured；The gas circuit unit includes the snorkel group that several are sequentially arranged, and forms snorkel group sequence, snorkel group includes the air inlet pipe and an air outlet pipe for being connected with the air inlet and air outlet of gas alarm device to be measured；Wherein, the escape pipe of previous snorkel group is connected with the air inlet pipe of the latter snorkel group；One end of first solenoid valve is connected to air supply unit, and the other end is connected with one end of the air inlet pipe in the snorkel group of snorkel group sequence head end；One end of second solenoid valve is connected with one end of the escape pipe in the snorkel group of snorkel group sequence tail end, and the other end is connected with gas emission device.The present invention can be improved calibration efficiency, shorten calibration duration, easy to operate.
Description
Technical field
The invention belongs to alarm fields, and in particular to a kind of gas alarm device caliberating device.
Background technique
With social progress and development, in life, clean convenient combustion gas is had become in China town dweller life
The main fuel used, and in production, there are also industry, there are certain density fuel gas.
Fire, explosion accident due to caused by gas leakage happen occasionally, and give national wealth and people's life safety belt
Very big harm is carried out, flammable gas alarm can monitor and alarm the concentration of fuel gas in environment, be widely used in firing
There are flammable or toxic gas various industries for gas, petrochemical industry, metallurgy, steel, coking, electric power etc..
Traditional gas alarm device scaling method are as follows: be successively passed through combustible gas calibrating gas to every equipment and determined
Mark, the combustible gas calibrating gas usually using 10%LEL, 15%LEL, 25%LEL, 50%LEL concentration combustible gas mark
Gas, their price is all more expensive, and the combustible gas after use to be handled after can discharge, it is seen then that traditional calibration
Method there are scaled time length, inefficiency, it is complicated for operation, expensive the problems such as, seriously affect calibration and production effect
Rate.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of gas alarm device caliberating device, calibration efficiency can be improved, shorten
Duration is calibrated, it is easy to operate.
It realizes above-mentioned technical purpose, reaches above-mentioned technical effect, the invention is realized by the following technical scheme:
A kind of gas alarm device caliberating device, comprising:
Fixed cell, the fixed cell is equipped with several locating pieces, for fixing gas alarm device to be measured；
Gas circuit unit, the gas circuit unit include the snorkel group that several are sequentially arranged, and form snorkel group sequence, institute
Stating snorkel group includes the air inlet pipe and an air outlet pipe for being connected with the air inlet and air outlet of gas alarm device to be measured；Its
In, the escape pipe of previous snorkel group is connected with the air inlet pipe of the latter snorkel group；
Air supply unit, for providing standard gas；
One end of first solenoid valve and second solenoid valve, first solenoid valve is connected to the air supply unit, the other end
It is connected with one end of the air inlet pipe in the snorkel group of snorkel group sequence head end；One end of the second solenoid valve and snorkel
One end of escape pipe in the snorkel group of group sequence tail end is connected, and the other end is connected with gas emission device.
Preferably, the gas alarm device caliberating device further includes first flowmeter and second flowmeter, and described first
Flowmeter and second flowmeter are respectively arranged on air inlet pipe and snorkel group in the snorkel group of the snorkel group sequence head end
At escape pipe in the snorkel group of sequence tail end.
Preferably, the gas alarm device caliberating device further includes third flowmeter and the 4th flowmeter, the third
Flowmeter and the 4th flowmeter are respectively arranged on any two snorkel between the snorkel group sequence head end and tail end
At air inlet pipe and an air outlet pipe in group.
Preferably, the snorkel group further includes the first gas-tpe fitting and the second gas-tpe fitting, first gas-tpe fitting
It is respectively used to the second gas-tpe fitting by air inlet pipe and an air outlet pipe and the air inlet and air outlet phase on gas alarm device to be measured
Even, it realizes and standard gas is passed through flammable gas alarm to be measured and exports standard gas from flammable gas alarm to be measured to come.
Preferably, the fixed cell is airtight cavity.
Preferably, the gas alarm device caliberating device further includes power supply unit, and said supply unit includes:
Panel is installed, the installation panel is set on the inner wall of the fixed cell；
Guide rail is installed, the installation guide rail is set on the installation panel；
Quick-connect terminal and Switching Power Supply, the quick-connect terminal and Switching Power Supply are installed in the installation guide rail
On, and the quick-connect terminal is electrically connected with Switching Power Supply；
Several connectors, one end of each connector are connected with the quick-connect terminal, and the other end is used for and combustible gas to be measured
Alarm is connected, and realizes power supply.
Preferably, quick-connect terminal position push type 3 leads to 4 core connecting terminals.
Preferably, the Switching Power Supply is that 220V alternating current turns+24V Switching Power Supply.
Preferably, the connector is waterproof connector.
Preferably, the fixed cell includes top panel, lower panel, front panel, rear panel, left panel and right panel, institute
Stating in front panel, rear panel, left panel and right panel is hinged between at least one panel and other panels, and remaining panel is solid
It is fixed to be connected.
Preferably, the locating piece is quick-speed jigs.
Compared with prior art, beneficial effects of the present invention:
A kind of gas alarm device caliberating device of the invention can calibrate several flammable gas alarms simultaneously, and real
Existing calibrating gas is recycled, and substantially reduces calibration duration, and calibration is high-efficient, and easy to operate, calibration is at low cost, and being conducive to can
Firing gas alarm reduces production cost.
Detailed description of the invention
Fig. 1 is the left view of gas alarm device caliberating device in an embodiment of the present invention；
Fig. 2 is the front view of gas alarm device caliberating device in an embodiment of the present invention；
Fig. 3 is the electrical installation panel cross-sectional view of gas alarm device caliberating device in an embodiment of the present invention；
The mark meaning of attached drawing is as follows:
1: fixed cell；2: locating piece；3: aluminum profile；4: hand handle；5: welding screw；6: installation panel；7: installation guide rail；
8: quick-connect terminal；9: Switching Power Supply；10: connector；11: wire rod；12: flowmeter；13: air inlet pipe；14: the first tracheaes connect
Head；15: gas alarm device；16: escape pipe；17: the second gas-tpe fittings；18: third flowmeter 18；19: the four flowmeters.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is explained in detail with reference to the accompanying drawing.
In order to solve scaling method in the prior art, there are scaled time length, inefficiency, complicated for operation, expensive
The problems such as, calibration and production efficiency are seriously affected, the invention proposes a kind of flammable gas alarm caliberating device,
Embodiment 1
As shown in Figure 1-3, a kind of flammable gas alarm caliberating device proposed by the present invention, comprising:
Fixed cell 1, the fixed cell 1 is equipped with several locating pieces 2, for fixing gas alarm device to be measured
15；In a specific embodiment of the invention, the fixed cell 1 is airtight cavity, is fixed by screws in aluminum profile 3
On, the aluminum profile 3 uses 4040L standard aluminum profile 3, is fixed by aluminum profile 4040L angled piece comprising top panel, under
Panel, front panel, rear panel, left panel and right panel, the top panel, lower panel, rear panel, left panel and right panel are solid
It is fixed to be connected, one end of the front panel and the left panel perhaps hinged other end of right panel and right panel or left panel activity phase
Even；Handle 4 is additionally provided on the front panel；The locating piece 2 is quick-speed jigs, and the quick-speed jigs can be directly from the market
Buying obtains, and is suitable for fuel gas report of the invention as long as can be realized and quickly fix the fixture of gas alarm device to be measured
Alert device caliberating device；The welding screw 5 that position matches with each locating piece 2 is additionally provided on the inner wall of the fixed cell 1, it is described
Welding screw 5 is made, having a size of M5 × 10 for placing gas alarm device to be measured of 304 stainless steels；
Gas circuit unit, the gas circuit unit include the snorkel group that several are sequentially arranged, and form snorkel group sequence, institute
Stating snorkel group includes air inlet pipe 13 and the escape pipe for being connected with the air inlet and air outlet of gas alarm device to be measured
16；Wherein, the escape pipe 16 of previous snorkel group is connected with the air inlet pipe 13 of the latter snorkel group；The air inlet pipe 13
The tetrafluoro hose of Φ 6mm diameter can be selected with escape pipe 16；
Air supply unit (not shown), for providing standard gas, the air supply unit is set to outside the fixed cell 1；
First solenoid valve (not shown) and second solenoid valve (not shown), one end of first solenoid valve with
The air supply unit connection, the other end are connected with one end of the air inlet pipe 13 in the snorkel group of snorkel group sequence head end；Institute
The one end for stating second solenoid valve is connected with one end of the escape pipe 16 in the snorkel group of snorkel group sequence tail end, and the other end connects
It is connected to gas emission device (not shown).
Further, the snorkel group further includes the first gas-tpe fitting 14 and the second gas-tpe fitting 17, first gas
Pipe fitting 14 and the second gas-tpe fitting 17 be respectively used to by air inlet pipe 13 and escape pipe 16 and gas alarm device to be measured into
Port is connected with gas outlet, and standard gas is passed through flammable gas alarm and exports standard gas from flammable gas alarm by realization
Come.In a preferred embodiment of the invention, first gas-tpe fitting 14 and the second gas-tpe fitting 17 are that 6mm is intubated straight-through connect
Head.
Embodiment 2
The present embodiment is with the difference for implementing 1:
The gas alarm device caliberating device further includes first flowmeter 12 and second flowmeter 13, the first flow
Meter 12 and second flowmeter 13 are respectively arranged on air inlet pipe and snorkel group in the snorkel group of the snorkel group sequence head end
At escape pipe in the snorkel group of sequence tail end, when it is implemented, the first flowmeter 12 and second flowmeter 13 can be with
2 direct-reading float gas flowmeters are selected, verify air-tightness for controlling induction air flow ratio, and by monitoring away flow velocity.
Further, the gas alarm device caliberating device further includes third flowmeter 18 and the 4th flowmeter 19, institute
State third flowmeter 18 and the 4th flowmeter 19 be respectively arranged on it is any between the snorkel group sequence head end and tail end
At air inlet pipe and an air outlet pipe in two snorkel groups, when it is implemented, the third flowmeter 18 and the 4th flowmeter 19 can
To select 2 direct-reading float gas flowmeters, 2 tunnel gas circuits are used to form, various concentration standard gas is passed through.
Rest part is same as Example 1.
Embodiment 3
The present embodiment is with the difference for implementing 1:
The gas alarm device caliberating device further includes power supply unit, and said supply unit includes:
Panel 6 is installed, the installation panel 6 is set on the inner wall of the fixed cell 1；
Guide rail 7 is installed, the installation guide rail 7 is set on the installation panel 6；In a kind of specific embodiment of the invention
In, the installation guide rail 7 is 1mm thick aluminium guide rail；
Quick-connect terminal 8 and Switching Power Supply 9, the Switching Power Supply 9 and quick-connect terminal 8 are installed in the installation
On guide rail 7, and the Switching Power Supply 9 is electrically connected with the quick-connect terminal 8；In a specific embodiment of the invention,
The Switching Power Supply 9 is that 220V alternating current turns+24V Switching Power Supply 9, and 8 push types 3 of the quick-connect terminal lead to 4 core wiring
Terminal；
One end of several connectors 10, each connector 10 is connected with quick-connect terminal 8, the other end be used for by wire rod 11 with
Gas alarm device 15 to be measured is connected, and realizes power supply；In a preferred embodiment of the invention, the connector 10 is waterproof connector.
Rest part is same as Example 1.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of gas alarm device caliberating device characterized by comprising
Fixed cell, the fixed cell is equipped with several locating pieces, for fixing gas alarm device to be measured；
Gas circuit unit, the gas circuit unit include the snorkel group that several are sequentially arranged, and form snorkel group sequence, described logical
Tracheae group includes the air inlet pipe and an air outlet pipe for being connected with the air inlet and air outlet of gas alarm device to be measured；
Wherein, the escape pipe of previous snorkel group is connected with the air inlet pipe of the latter snorkel group；
Air supply unit, for providing standard gas；
One end of first solenoid valve and second solenoid valve, first solenoid valve is connected to the air supply unit, the other end and logical
One end of air inlet pipe in the snorkel group of tracheae group sequence head end is connected；One end of the second solenoid valve and snorkel group sequence
One end of escape pipe in the snorkel group of column tail end is connected, and the other end is connected with gas emission device.
2. a kind of gas alarm device caliberating device according to claim 1, it is characterised in that: the gas alarm device
Caliberating device further includes first flowmeter and second flowmeter, and the first flowmeter and second flowmeter are respectively arranged on described logical
At air inlet pipe in the snorkel group of tracheae group sequence head end and the escape pipe in the snorkel group of snorkel group sequence tail end.
3. a kind of gas alarm device caliberating device according to claim 2, it is characterised in that: the gas alarm device
Caliberating device further includes third flowmeter and the 4th flowmeter, and the third flowmeter and the 4th flowmeter are respectively arranged on positioned at institute
It states at the air inlet pipe and an air outlet pipe in any two snorkel group between snorkel group sequence head end and tail end.
4. a kind of gas alarm device caliberating device according to claim 1, it is characterised in that: the snorkel group is also wrapped
Include the first gas-tpe fitting and the second gas-tpe fitting, first gas-tpe fitting and the second gas-tpe fitting be respectively used to air inlet pipe and
Escape pipe is connected with the air inlet and air outlet on gas alarm device to be measured, realizes standard gas being passed through combustible gas alarm to be measured
Device and standard gas is exported from flammable gas alarm to be measured come.
5. a kind of gas alarm device caliberating device according to claim 1, it is characterised in that: the fixed cell is close
Closed chamber body.
6. a kind of gas alarm device caliberating device according to claim 5, it is characterised in that: the gas alarm device
Caliberating device further includes power supply unit, and said supply unit includes:
Panel is installed, the installation panel is set on the inner wall of the fixed cell；
Guide rail is installed, the installation guide rail is set on the installation panel；
Quick-connect terminal and Switching Power Supply, the quick-connect terminal and Switching Power Supply are installed on the installation guide rail,
And the quick-connect terminal is electrically connected with Switching Power Supply；
Several connectors, one end of each connector are connected with the quick-connect terminal, and the other end is used to alarm with combustible gas to be measured
Device is connected, and realizes power supply.
7. a kind of gas alarm device caliberating device according to claim 5, it is characterised in that: the quick-connect terminal
Position push type 3 leads to 4 core connecting terminals.
8. a kind of gas alarm device caliberating device according to claim 5, it is characterised in that: the Switching Power Supply is
220V alternating current turns+24V Switching Power Supply.
9. a kind of gas alarm device caliberating device according to claim 5, it is characterised in that: the fixed cell includes
Top panel, lower panel, front panel, rear panel, left panel and right panel, in the front panel, rear panel, left panel and right panel
It is between at least one panel and other panels hingedly, remaining panel is fixedly linked.
10. a kind of gas alarm device caliberating device according to claim 1, it is characterised in that: the locating piece is fast
Fast fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125931.7A CN109738591A (en) | 2019-02-20 | 2019-02-20 | A kind of gas alarm device caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125931.7A CN109738591A (en) | 2019-02-20 | 2019-02-20 | A kind of gas alarm device caliberating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109738591A true CN109738591A (en) | 2019-05-10 |
Family
ID=66367867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910125931.7A Pending CN109738591A (en) | 2019-02-20 | 2019-02-20 | A kind of gas alarm device caliberating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109738591A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090074A (en) * | 2014-07-08 | 2014-10-08 | 河南汉威电子股份有限公司 | Calibration gas circuit board and gas sensor module calibration device |
| CN204228690U (en) * | 2014-11-21 | 2015-03-25 | 郑州光力科技股份有限公司 | A kind of gas sensor calibration Multi-way switching device |
| CN207037895U (en) * | 2017-07-12 | 2018-02-23 | 中国石油化工股份有限公司 | Gas alarm calibrating installation interlocking protective device |
| CN108122387A (en) * | 2016-11-29 | 2018-06-05 | 杨晶 | A kind of flammable explosive warning device to harmful gas automatic calibrator |
| CN208270541U (en) * | 2018-06-22 | 2018-12-21 | 深圳市环思科技有限公司 | Gas sensor dynamic calibration apparatus |
| CN109916438A (en) * | 2019-03-04 | 2019-06-21 | 苏州市计量测试院 | A kind of ageing tester and ageing testing method of gas alarm |
| CN209168384U (en) * | 2019-01-08 | 2019-07-26 | 烟台因卓仪表科技有限公司 | The calibrating of multichannel flammable gas alarm and calibrating installation |
| CN209878704U (en) * | 2019-02-20 | 2019-12-31 | 苏州曼德克光电有限公司 | Calibration device for combustible gas alarm |
-
2019
- 2019-02-20 CN CN201910125931.7A patent/CN109738591A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090074A (en) * | 2014-07-08 | 2014-10-08 | 河南汉威电子股份有限公司 | Calibration gas circuit board and gas sensor module calibration device |
| CN204228690U (en) * | 2014-11-21 | 2015-03-25 | 郑州光力科技股份有限公司 | A kind of gas sensor calibration Multi-way switching device |
| CN108122387A (en) * | 2016-11-29 | 2018-06-05 | 杨晶 | A kind of flammable explosive warning device to harmful gas automatic calibrator |
| CN207037895U (en) * | 2017-07-12 | 2018-02-23 | 中国石油化工股份有限公司 | Gas alarm calibrating installation interlocking protective device |
| CN208270541U (en) * | 2018-06-22 | 2018-12-21 | 深圳市环思科技有限公司 | Gas sensor dynamic calibration apparatus |
| CN209168384U (en) * | 2019-01-08 | 2019-07-26 | 烟台因卓仪表科技有限公司 | The calibrating of multichannel flammable gas alarm and calibrating installation |
| CN209878704U (en) * | 2019-02-20 | 2019-12-31 | 苏州曼德克光电有限公司 | Calibration device for combustible gas alarm |
| CN109916438A (en) * | 2019-03-04 | 2019-06-21 | 苏州市计量测试院 | A kind of ageing tester and ageing testing method of gas alarm |
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