CN110487957A - A kind of efficient gas alarm calibration method and device - Google Patents
A kind of efficient gas alarm calibration method and device Download PDFInfo
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- CN110487957A CN110487957A CN201810456376.1A CN201810456376A CN110487957A CN 110487957 A CN110487957 A CN 110487957A CN 201810456376 A CN201810456376 A CN 201810456376A CN 110487957 A CN110487957 A CN 110487957A
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- 238000000034 method Methods 0.000 title claims description 16
- 239000007789 gas Substances 0.000 claims abstract description 152
- 239000012159 carrier gas Substances 0.000 claims abstract description 32
- 239000012895 dilution Substances 0.000 claims abstract description 32
- 238000010790 dilution Methods 0.000 claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000003908 quality control method Methods 0.000 claims description 18
- 239000003085 diluting agent Substances 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 238000007791 dehumidification Methods 0.000 abstract description 2
- 241000273930 Brevoortia tyrannus Species 0.000 description 9
- 238000012795 verification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- G01N33/0006—Calibrating gas analysers
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of efficient gas alarm calibrating installations, including standard air pipe, dilution air pipe, air chest, test box and control system, Standard Gases gas source, solenoid valve, Standard Gases flow controller are successively arranged on the standard air pipe, carrier gas gas source, solenoid valve, dilution air flow amount controller are successively arranged on the dilution air pipe, standard air pipe and dilution air pipe are all connected with air chest, air chest and test box pass through piping connection, solenoid valve is installed before test tank inlet, the present invention not only realizes that one can examine and determine more alarms simultaneously；It is equipped with humidification dehumidification module, heating module, can choose suitable environmental condition；The Standard Gases that various concentration can also be configured according to the range of gas alarm, improve calibrating efficiency, save the calibrating time.
Description
Technical field
The invention belongs to gas alarm Calibration Technology field, in particular to a kind of efficient gas alarm calibration method and
Device.
Background technique
With China's rapid development of economy, flammable, toxic alarm is widely used in all trades and professions, as chemical industry, metallurgy,
The fields such as manufacture, mine, restaurant, station, alarm substantial amounts often waste during gas alarm is safeguarded in calibrating
The a large amount of time, calibrating efficiency is too low, and live user of service is often in alarm free device state, and there are security risk, Er Qiejian
The calibrating cost of fix the number of workers is excessively high, and the range of every kind of alarm is different, and testing person needs to prepare the Standard Gases of various concentration.
It is found by investigation, existing alarm calibrating installation has the following problems: cannot examine and determine more alarms simultaneously；Inspection
Determine the overlong time of alarm；Verification process is influenced by environmental conditions；The range of alarm is different, needs the concentration of Standard Gases
Also different, testing person needs to prepare many Standard Gases, and cost is excessively high.Currently, a kind of alarm calibrating installation can be with not yet
Above-mentioned problem is solved simultaneously.
Summary of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of efficient gas alarm calibration method and device, match
Test box is had, one can examine and determine more alarms simultaneously；It is equipped with humidification dehumidification module, heating module, it is suitable to can choose
Environmental condition；It is equipped with automatic gas distribution system, the Standard Gases of various concentration can be configured according to the range of gas alarm, are improved
Calibrating efficiency saves the calibrating time.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: a kind of efficient gas alarm calibrating dress
It sets, including standard air pipe, dilution air pipe, air chest, test box and control system, is successively arranged on the standard air pipe
Standard Gases gas source, solenoid valve D1, Standard Gases flow controller, be successively arranged carrier gas gas source, electromagnetism on the dilution air pipe
Valve X1, dilution air flow amount controller, standard air pipe and dilution air pipe be all connected with air chest, and air chest and test box pass through pipe
Road connection is equipped with solenoid valve D before testing tank inlet, is equipped in the test box multiple for placing the cards of gas alarm
Seat, and it is equipped with humidifying/dehumidifying apparatus, heating device and blower fan apparatus.
Further, premixing storehouse and secondary mixing bunker are equipped in the air chest, the premixing storehouse is equipped with standard
Gas air inlet, carrier gas air inlet and premixed gas outlet, Standard Gases piping connection are pre-mixed the Standard Gases air inlet in storehouse, standard
Standard Gases quality control meter and solenoid valve D are successively arranged on gas air inlet2；Carrier gas piping connection be pre-mixed storehouse carrier gas into
Port is successively arranged carrier gas quality control meter and solenoid valve X on carrier gas air inlet2, after the carrier gas quality control is counted
Parallel connection is equipped with the secondary dilution pipeline of a secondary mixing bunker of connection, and the secondary dilution pipeline is equipped with solenoid valve X3；It is described
The premixed gas outlet being pre-mixed on storehouse connects secondary mixing bunker, and premixed gas outlet is equipped with solenoid valve D3。
Further, the solenoid valve D1, solenoid valve D2, solenoid valve D3, solenoid valve D, solenoid valve X1, solenoid valve X2, electromagnetism
Valve X3, Standard Gases flow controller, Standard Gases quality control meter, dilution air flow amount controller, carrier gas quality control meter, dehumidify
Humidifier, heating device and blower fan apparatus are connect with control system respectively, are realized and are automatically controlled.
A kind of efficient gas alarm calibration method is implemented using gas alarm calibrating installation above-mentioned, including following
Step:
A. the step of once examining and determine more alarms；
B. the step of automatic distributing, calibrating different range alarms.
Further, step a is particularly: more gas alarms are placed on the deck in test box；Open electromagnetism
Valve D1, by the charge flow rate and flow velocity of Standard Gases flow controller adjustment criteria gas, calibrating gas is made to enter air chest；It beats
Open electromagnetic valve X1, the charge flow rate and flow velocity of diluent gas are adjusted by dilution air flow amount controller, are entered diluent gas and are matched
Gas tank；The standard gas concentration that needs are automatically configured in air chest, by the good calibrating gas flow velocity of solenoid valve D regulating allocation into
Enter test box, carries out the calibrating of gas alarm；The humidity of test box is controlled by control humidifying/dehumidifying apparatus；Pass through control
Heating device controls temperature；It is emptied after having examined and determine by blower fan apparatus.
Further, step b is particularly: automatic distributing process is completed in air chest, calibrating gas and diluent gas
Respectively by Standard Gases air inlet and carrier gas air inlet enter premixing storehouse, respectively by adjustment criteria makings amount control meter and
The control meter control of carrier gas quality enters the gaseous mass in premixing storehouse；Solenoid valve X at this time3It is in close state, is pre-mixed storehouse
After interior gas pre-mixed conjunction, solenoid valve D is opened3, close solenoid valve D2With solenoid valve X2, so that mixed gas is entered secondary mixing bunker, to
Reading numerical values after calibrating gas is stablized；If concentration is higher, solenoid valve X is opened3, close solenoid valve D3, make mixed gas and dilution
Solenoid valve X is finally closed in the secondary mixing of gas3, solenoid valve D is opened, gas is made to enter test box, carries out gas alarm inspection
It is fixed.
Compared with prior art, the invention has the advantages that:
(1) present invention includes air chest and automatic gas distribution system, controls each gas with flow controller, quality control meter
Flow, flow velocity and the quality of body pipeline, full automatic working can configure the standard of various concentration according to the range of gas alarm
Gas；
(2) present invention can save calibrating cost, not need the Standard Gases for buying various concentration, need to only buy a kind of high concentration
The Standard Gases of Standard Gases, other low concentrations can be configured with this device；
(3) it is configured with test box, one can examine and determine more alarms simultaneously, improve the calibrating efficiency of verification worker, save
About calibrating time；
(4) present invention can control environmental condition, and dehumidifying humidification module is equipped in test box to control humidity, is equipped with heating
Module controls temperature, is equipped with blower fan module to empty, can simulate various environmental conditions to examine and determine and test, make verification process
In exempt to be influenced by environmental conditions, can be used for the simulated experiment of gas alarm under various environmental conditions.
Detailed description of the invention
Fig. 1 is gas alarm calibrating installation schematic diagram of the invention；
Fig. 2 is air chest structural schematic diagram of the invention.
In figure, 1. Standard Gases gas sources；2. carrier gas gas source；3. solenoid valve D1；4. solenoid valve X1；5. Standard Gases flow control
Device；6. dilution air flow amount controller；7. air chest；8. solenoid valve D；9. test box；10. deck；11. humidifying/dehumidifying apparatus；12.
Heating device；13. blower fan apparatus；71. being pre-mixed storehouse；72. two mixing bunkers；73. Standard Gases quality control meter；74. solenoid valve
D2；75. carrier gas quality control meter；76. solenoid valve X2；77. secondary dilution pipeline；78. solenoid valve X3；79. solenoid valve D3。
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further illustrated.
As shown in Figure 1, efficient gas alarm calibrating installation, including standard air pipe, dilution air pipe, air chest 7, survey
Case 9 and control system are tried, is successively arranged Standard Gases gas source 1, solenoid valve D on standard air pipe13, Standard Gases flow controller 5,
Carrier gas gas source 2, solenoid valve X are successively arranged on dilution air pipe14, dilution air flow amount controller 6, standard air pipe and dilution
Air pipe is all connected with air chest 7, and air chest 7 and test box 9 pass through piping connection, be equipped with solenoid valve D8 before 9 entrance of test box,
Equipped with multiple for placing the deck 10 of gas alarm in test box 9, and it is equipped with humidifying/dehumidifying apparatus 11,12 and of heating device
Blower fan apparatus 13.
As shown in Fig. 2, being equipped with premixing storehouse 71 and secondary mixing bunker 72 in air chest 7, premixing storehouse 71 is equipped with standard
Gas air inlet, carrier gas air inlet and premixed gas outlet, Standard Gases piping connection are pre-mixed the Standard Gases air inlet in storehouse 71, mark
73 and solenoid valve D of Standard Gases quality control meter is successively arranged on quasi- gas air inlet274；Carrier gas piping connection is pre-mixed storehouse 71
Carrier gas air inlet is successively arranged 75 and solenoid valve X of carrier gas quality control meter on carrier gas air inlet276, carrier gas quality
Control meter 75 after with solenoid valve X2The 76 secondary dilution pipelines 77 in parallel for being equipped with a secondary mixing bunker 72 of connection, secondary dilution pipe
Road 77 is equipped with solenoid valve X378；The premixed gas outlet being pre-mixed on storehouse 71 connects secondary mixing bunker 72, and premixed gas
Outlet is equipped with solenoid valve D379。
Solenoid valve D13, solenoid valve D274, solenoid valve D379, solenoid valve D8, solenoid valve X14, solenoid valve X276, solenoid valve
X378, Standard Gases flow controller 5, Standard Gases quality control meter 73, dilution air flow amount controller 6, carrier gas quality control meter
75, humidifying/dehumidifying apparatus 11, heating device 12 and blower fan apparatus 13 are connect with control system respectively, are realized and are automatically controlled.
Efficient gas alarm calibration method of the invention is implemented using gas alarm calibrating installation above-mentioned, including
Following steps:
A. the step of once examining and determine more alarms:
More gas alarms are placed on the deck 10 in test box 9；Open solenoid valve D13, pass through standard throughput
The charge flow rate and flow velocity of 5 adjustment criteria gas of controller, make calibrating gas enter air chest 7；Open solenoid valve X14, pass through
Dilution air flow amount controller 6 adjusts the charge flow rate and flow velocity of diluent gas, and diluent gas is made to enter air chest 7；In air chest 7
The standard gas concentration for automatically configuring needs enters test box 9 by the good calibrating gas flow velocity of solenoid valve D8 regulating allocation, into
The calibrating of row gas alarm；By control humidifying/dehumidifying apparatus come the humidity of 11 control test boxs 9；By controlling heating device
12 control temperature；It is emptied after having examined and determine by blower fan apparatus 13.
B. automatic distributing, examine and determine different range alarms the step of:
The automatic distributing process mentioned in step a is completed in air chest 7, and calibrating gas and diluent gas pass through mark respectively
Quasi- gas air inlet and carrier gas air inlet enter premixing storehouse 71, pass through adjustment criteria makings amount control meter 73 and carrier gas respectively
75 control of quality control meter enters the gaseous mass in premixing storehouse 71；Solenoid valve X at this time378 are in close state, and are pre-mixed storehouse
In 71 after gas pre-mixed conjunction, solenoid valve D is opened379, close solenoid valve D274 and solenoid valve X276, enter mixed gas secondary
Mixing bunker 72, the reading numerical values after calibrating gas is stablized；If concentration is higher, solenoid valve X is opened378, close solenoid valve D379,
Make mixed gas and the secondary mixing of diluent gas, finally closes solenoid valve X378, solenoid valve D8 is opened, gas is made to enter test box
9, carry out gas alarm calibrating.
Embodiment 1
Certain verification worker will examine and determine 20 alarms, and an average alarm needs 15 minutes, needs 300 minutes in total, close 5
Hour, and examined and determine with calibrating installation of the invention, it is only necessary to 15 minutes, while 20 alarms are examined and determine, it is efficient, convenient.
Embodiment 2
Certain verification worker will examine and determine 0-30 range, 0-50 range, 0-100 range alarm, need to prepare concentration be respectively 6,
15,24,10,25,40,20,50,80 etc. 9 bottles of Standard Gases, and with the device of the invention, it need to only prepare the standard of one bottle of 100 concentration
Gas, so that it may examine and determine, much save calibrating cost.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, within the essential scope of the present invention, the variations, modifications, additions or substitutions made all should belong to the present invention
Protection scope.
Claims (7)
1. a kind of efficient gas alarm calibrating installation, it is characterised in that: including standard air pipe, dilution air pipe, air chest,
Test box and control system are successively arranged Standard Gases gas source, solenoid valve D on the standard air pipe1, Standard Gases flow control
Device is successively arranged carrier gas gas source, solenoid valve X on the dilution air pipe1, dilution air flow amount controller, standard air pipe and
Dilution air pipe is all connected with air chest, air chest and test box by piping connection, is equipped with solenoid valve D before testing tank inlet,
Equipped with multiple for placing the deck of gas alarm in the test box, and it is equipped with humidifying/dehumidifying apparatus, heating device and wind
Machine device.
2. efficient gas alarm calibrating installation according to claim 1, it is characterised in that: be equipped in the air chest pre-
Mixing bunker and secondary mixing bunker, the premixing storehouse are equipped with Standard Gases air inlet, carrier gas air inlet and premixed gas outlet,
Standard Gases piping connection is pre-mixed the Standard Gases air inlet in storehouse, be successively arranged on Standard Gases air inlet Standard Gases quality control meter and
Solenoid valve D2；Carrier gas piping connection is pre-mixed the carrier gas air inlet in storehouse, is successively arranged dilution makings on carrier gas air inlet
Amount control meter and solenoid valve X2, carrier gas quality control secondary dilution in parallel for being equipped with a secondary mixing bunker of connection after counting
Pipeline, the secondary dilution pipeline are equipped with solenoid valve X3；Premixed gas outlet on the premixing storehouse connects secondary mixing
Storehouse, and premixed gas outlet is equipped with solenoid valve D3。
3. efficient gas alarm calibrating installation according to claim 2, it is characterised in that: the solenoid valve D1, solenoid valve
D2, solenoid valve D3, solenoid valve D, solenoid valve X1, solenoid valve X2, solenoid valve X3, Standard Gases flow controller, Standard Gases quality control
Meter, dilution air flow amount controller, carrier gas quality control meter, humidifying/dehumidifying apparatus, heating device and blower fan apparatus respectively with
Control system connection, realizes and automatically controls.
4. a kind of efficient gas alarm calibration method, which is characterized in that examined and determine using gas alarm described in claim 1
Device is implemented, comprising the following steps:
A. the step of once examining and determine more alarms；
B. the step of automatic distributing, calibrating different range alarms.
5. a kind of efficient gas alarm calibration method, which is characterized in that utilize gas alarm described in Claims 2 or 33
Calibrating installation is implemented, comprising the following steps:
A. the step of once examining and determine more alarms；
B. the step of automatic distributing, calibrating different range alarms.
6. efficient gas alarm calibration method according to claim 4, which is characterized in that step a particularly: surveying
More gas alarms are placed on deck in examination case；Open solenoid valve D1, pass through Standard Gases flow controller adjustment criteria gas
The charge flow rate and flow velocity of body, make calibrating gas enter air chest；Open solenoid valve X1, adjusted by dilution air flow amount controller
The charge flow rate and flow velocity of diluent gas, make diluent gas enter air chest；The calibrating gas of needs is automatically configured in air chest
Concentration enters test box by the good calibrating gas flow velocity of solenoid valve D regulating allocation, carries out the calibrating of gas alarm；Pass through
Humidifying/dehumidifying apparatus is controlled to control the humidity of test box；Temperature is controlled by control heating device；Pass through wind after having examined and determine
The emptying of machine device.
7. efficient gas alarm calibration method according to claim 5, which is characterized in that step b particularly: it is automatic
Distribution process is completed in air chest, calibrating gas and diluent gas pass through respectively Standard Gases air inlet and carrier gas air inlet into
Enter and be pre-mixed storehouse, enters the gas in premixing storehouse by adjustment criteria makings amount control meter and the control meter control of carrier gas quality respectively
Weight；Solenoid valve X at this time3It is in close state, is pre-mixed in storehouse after gas pre-mixed conjunction, opens solenoid valve D3, close solenoid valve
D2With solenoid valve X2, so that mixed gas is entered secondary mixing bunker, the reading numerical values after calibrating gas is stablized；If concentration is higher, beat
Open electromagnetic valve X3, close solenoid valve D3, make mixed gas and the secondary mixing of diluent gas, finally close solenoid valve X3, open electromagnetism
Valve D makes gas enter test box, carries out gas alarm calibrating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456376.1A CN110487957A (en) | 2018-05-14 | 2018-05-14 | A kind of efficient gas alarm calibration method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456376.1A CN110487957A (en) | 2018-05-14 | 2018-05-14 | A kind of efficient gas alarm calibration method and device |
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| CN110487957A true CN110487957A (en) | 2019-11-22 |
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| CN201810456376.1A Pending CN110487957A (en) | 2018-05-14 | 2018-05-14 | A kind of efficient gas alarm calibration method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924263A (en) * | 2021-01-30 | 2021-06-08 | 河南省奥瑞环保科技有限公司 | Dilution and distribution dynamic control system |
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| CN101004241A (en) * | 2007-01-15 | 2007-07-25 | 同济大学 | Air distributing device |
| CN201680985U (en) * | 2010-05-27 | 2010-12-22 | 抚顺市计量测试所 | Intelligent detecting and testing device for poisonous and harmful gas alarm |
| CN103558346A (en) * | 2013-11-15 | 2014-02-05 | 国家电网公司 | Device for checking sulfur hexafluoride leakage alarm apparatus |
| CN203490209U (en) * | 2013-10-23 | 2014-03-19 | 石建明 | Calibrating device for harmful gas detection alarm of coal mine |
| CN203598762U (en) * | 2013-11-15 | 2014-05-21 | 国家电网公司 | Low-concentration two-stage gas distribution system |
| CN105091989A (en) * | 2015-05-06 | 2015-11-25 | 姜跃炜 | An environment-controllable flow detection standard device |
| CN105642140A (en) * | 2016-01-14 | 2016-06-08 | 上海交通大学 | Dynamic gas distribution system and gas distribution method |
| CN107153106A (en) * | 2017-06-29 | 2017-09-12 | 北京竹青世纪科技有限公司 | A kind of dynamic dilution gas calibration device |
| CN107478494A (en) * | 2017-08-23 | 2017-12-15 | 力合科技（湖南）股份有限公司 | A kind of standard gas distribution meter |
| CN208188077U (en) * | 2018-05-14 | 2018-12-04 | 中国石油化工股份有限公司 | A kind of efficient gas alarm calibrating installation |
-
2018
- 2018-05-14 CN CN201810456376.1A patent/CN110487957A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004241A (en) * | 2007-01-15 | 2007-07-25 | 同济大学 | Air distributing device |
| CN201680985U (en) * | 2010-05-27 | 2010-12-22 | 抚顺市计量测试所 | Intelligent detecting and testing device for poisonous and harmful gas alarm |
| CN203490209U (en) * | 2013-10-23 | 2014-03-19 | 石建明 | Calibrating device for harmful gas detection alarm of coal mine |
| CN103558346A (en) * | 2013-11-15 | 2014-02-05 | 国家电网公司 | Device for checking sulfur hexafluoride leakage alarm apparatus |
| CN203598762U (en) * | 2013-11-15 | 2014-05-21 | 国家电网公司 | Low-concentration two-stage gas distribution system |
| CN105091989A (en) * | 2015-05-06 | 2015-11-25 | 姜跃炜 | An environment-controllable flow detection standard device |
| CN105642140A (en) * | 2016-01-14 | 2016-06-08 | 上海交通大学 | Dynamic gas distribution system and gas distribution method |
| CN107153106A (en) * | 2017-06-29 | 2017-09-12 | 北京竹青世纪科技有限公司 | A kind of dynamic dilution gas calibration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924263A (en) * | 2021-01-30 | 2021-06-08 | 河南省奥瑞环保科技有限公司 | Dilution and distribution dynamic control system |
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Application publication date: 20191122 |