CN208156843U - A kind of toxic air alarm device automatic calibrator - Google Patents
A kind of toxic air alarm device automatic calibrator Download PDFInfo
- Publication number
- CN208156843U CN208156843U CN201820326766.2U CN201820326766U CN208156843U CN 208156843 U CN208156843 U CN 208156843U CN 201820326766 U CN201820326766 U CN 201820326766U CN 208156843 U CN208156843 U CN 208156843U
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- gas
- solenoid valve
- valve
- calibrating
- pipeline
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Abstract
The utility model provides a kind of toxic air alarm device automatic calibrator.Including by toxic gas calibrating gas bottle and nitrogen calibrating gas bottle outlet installation solenoid valve after after through Special connecting pipe road be sent into calibrating room diffusion gas dedicated hood be used for gas alarm calibrating.The automation of verification process is realized by the operating status that a set of PLC system controls entire calibrating installation.Tested gas alarm is given to be passed through the calibrating gas of various concentration by sequence switch various concentration calibrating gas bottle pipeline electromagnetic valve to detect it and export the whether qualified realization automatic Verification of result.The utility model beneficial effect：It designs reasonable and practical, so that toxic air alarm device verification process is realized automation and Essential Safety, avoid testing person and contacted with the direct of toxic standard sample gas, reduce the labor intensity of testing person and manually calculates error, verification result is accurate, achieves ideal using effect.
Description
Technical field
The utility model relates to alarm technical field, especially a kind of toxic air alarm device automatic calibrator.
Background technique
At present in the verification process that toxic air alarm device is engaged in calibrating room, it is substantially and is examined and determine manually by testing person
State.The gas cylinder of used storage calibrating gas introduces a gas into calibrating interior by connecting line and is examined and determine.By artificial
The open and close for controlling pipeline valve, due to the detection of not no gas flow, cannot in verification process to calibrating gas pressure,
The real time monitoring and record of flow.There is no the detection of Current Temperatures and humidity, environmental pressure, it cannot be guaranteed that calibrating data redundancy
Detection is accurate.When pipeline occurs damaged, because gas may be leaked largely without effective interlock protection measure, generate quick-fried
Fried or personal injury accident.
The needs such as error of indication calibrating, repeatability calibrating, response time calibrating are manually repeated several times to gas in verification process
Body alarm is passed through the calibrating gas of various concentration and nitrogen observation indicating value is examined and determine, and large labor intensity has been exposed to poison gas
Time in body is long.The verification process that drifts about needs the operation of 6 to 8 hours, large labor intensity.The data processing of verification result,
It needs to be calculated manually, working efficiency is low, and error is big, causes calibration operation amount heavy, inefficiency.
A large amount of hydrogen sulfide, carbon monoxide, the management work for having poison gas gas alarm are responsible in each calibrating room, mainly by
It is manually managed, periodically account is inquired, strong inspection notice is issued to overdue alarm, is easy to appear the feelings of missing inspection
Condition.Verification result transmits manually, and the verification result of papery reports and submits leaders, and transmission efficiency is slow, influences working efficiency.
Summary of the invention
The purpose of this utility model is to provide include by toxic gas calibrating gas bottle and nitrogen calibrating gas bottle outlet installation
After solenoid valve, calibrating room diffusion gas dedicated hood is sent into through Special connecting pipe road and is examined and determine for gas alarm.Pass through a set of PLC system
The operating status that system controls entire calibrating installation realizes the automation of verification process.Pass through sequence switch various concentration calibrating gas bottle
Pipeline electromagnetic valve gives tested gas alarm to be passed through the calibrating gas of various concentration to detect it and export the whether qualified realization of result
Automatic Verification.
The utility model is realized by following technological means：20%FS H2S calibrating gas bottle is on first outlet pipeline
First flame-proof type is successively installed and quickly cuts off solenoid valve, the first pressure reducing valve, first-hand valve, first pressure transmitter, the first rotor
Flowmeter and the first solenoid valve are simultaneously connected to the first diffusion gas dedicated hood, 50%FS H2S calibrating gas bottle is on second outlet pipeline
Second flame-proof type is successively installed and quickly cuts off solenoid valve, the second pressure reducing valve, second-hand's valve, second pressure transmitter, the second rotor
Flowmeter and second solenoid valve are simultaneously connected to the first diffusion gas dedicated hood, 80%FS H2S calibrating gas bottle is on third export pipeline
Successively installation third flame-proof type quickly cuts off solenoid valve, third pressure reducing valve, third hand valve, third pressure transmitter, third trochanter
Flowmeter and third solenoid valve are simultaneously connected to the first diffusion gas dedicated hood, and 2699.99%N2 calibrating gas bottle is on the 4th export pipeline
Successively the 4th flame-proof type of installation quickly cuts off solenoid valve, the 4th pressure reducing valve, the 4th hand valve, the 4th pressure transmitter, fourth trochanter
Flowmeter and the 4th solenoid valve and be connected respectively to the first solenoid valve, second solenoid valve, third solenoid valve back pipeline on,
Third flame-proof type is quickly cut off and is equipped with the first tested gas alarm on the pipeline between solenoid valve and the second diffusion gas dedicated hood
Device installs threeway on first outlet pipeline and gas is divided into two-way, and the first pipeline is through the 5th hand valve, the 5th solenoid valve connection the
Two diffusion gas dedicated hoods, another way access PLC through the first solenoid valve connection analog signal, install threeway on second outlet pipeline
Gas is divided into two-way, the second pipeline is connected to the second diffusion gas dedicated hood after the 6th hand valve, the 6th solenoid valve all the way, another
Road connects analog signal access PLC through second solenoid valve, draft fan and combined aural and visual alarm, installs threeway on third export pipeline
Gas is divided into two-way, the 4th pipeline through the 7th hand valve, the second diffusion gas dedicated hood of the 7th solenoid valve connection and is delivered to all the way
Second tested gas alarm, another way connect analog signal access PLC through third solenoid valve, draft fan and combined aural and visual alarm,
In calibrating first toxic air alarm device one of the indoor location with analog output, the second toxic air alarm device one and CO
Alarm one, temperature sensor one, humidity sensor one, absolute pressure sensor one, the simulation that 6 sensors are exported
Signal incoming analog signal PLC, analog signal PLC side piping connection host computer and WEB server, host computer connection printing
Machine.
The utility model beneficial effect：It designs reasonable and practical, toxic air alarm device verification process is made to realize automation
And Essential Safety, it avoids testing person and is contacted with the direct of toxic standard sample gas, reduce the labor intensity of testing person
Error is calculated with artificial, testing person's verification process occupational health is made to have obtained more fully protecting, verification result is more accurate,
Achieve ideal using effect.
The utility model be it is a kind of based on internet+intelligent toxic air alarm device automatic calibrator, realize
Checking procedure automation, health protection essenceization, verification data intelligent, interlock protection safe, procedure management information, inspection
Surely networking is inquired.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, a kind of toxic air alarm device automatic calibrator, mainly by 20%FS H2S calibrating gas bottle 1,
One export pipeline 2, the first flame-proof type quickly cut off solenoid valve 3, the first pressure reducing valve 4, first-hand valve 5, first pressure transmitter 6,
The first rotor flowmeter 7, the first solenoid valve 8, the first pipeline 9, the 5th hand valve 10, the 5th solenoid valve 11,50%FS H2S Standard Gases
Bottle 12, second outlet pipeline 13, the second flame-proof type are quickly cut off solenoid valve 14, the second pressure reducing valve 15, second-hand's valve 16, second and are pressed
Power transmitter 17, the second spinner flowmeter 18, second solenoid valve 19, the second pipeline 20, the 6th hand valve 21, the 6th solenoid valve 22,
First diffusion gas dedicated hood 23, the first tested gas alarm 24, second spread gas dedicated hood 25, second and examine gas alarm
26、80%FS H2S calibrating gas bottle 27, third pipeline 28, third flame-proof type quickly cut off solenoid valve 29, third pressure reducing valve 30,
Three hand valves 31, third pressure transmitter 32, third trochanter flowmeter 33, third solenoid valve 34, the 4th pipeline 35, the 7th hand valve
36, the 7th solenoid valve 37,2699.99%N2 calibrating gas bottle 38, third export pipeline 39, the 4th flame-proof type quickly cut off solenoid valve
40, the 4th pressure reducing valve 41, the 4th hand valve 42, the 4th pressure transmitter 43, fourth trochanter flowmeter 44, the 4th solenoid valve 45,
One toxic air alarm device 46, the second toxic air alarm device 47, CO alarm 48, temperature sensor 49, humidity sensor 50,
Absolute pressure sensor 51, analog signal PLC52, draft fan 53, combined aural and visual alarm 54, host computer 55, WEB server 56 and printer
57 are constituted；20%FS H2S calibrating gas bottle 1 successively installed on first outlet pipeline 2 first flame-proof type quickly cut off solenoid valve 3,
First pressure reducing valve 4, first-hand valve 5, first pressure transmitter 6, the first rotor flowmeter 7 and the first solenoid valve 8 are simultaneously connected to
One diffusion gas dedicated hood 23,50%FS H2It is quick that S calibrating gas bottle 12 successively installs the second flame-proof type on second outlet pipeline 13
Cut off solenoid valve 14, the second pressure reducing valve 15, second-hand's valve 16, second pressure transmitter 17, the second spinner flowmeter 18 and second
Solenoid valve 19 is simultaneously connected to the first diffusion gas dedicated hood 23,80%FS H2S calibrating gas bottle 27 on third export pipeline 28 successively
Installation third flame-proof type quickly cuts off solenoid valve 29, third pressure reducing valve 30, third hand valve 31, third pressure transmitter 32, third
Spinner flowmeter 33 and third solenoid valve 34 are simultaneously connected to the first diffusion gas dedicated hood 23, and 2699.99%N2 calibrating gas bottle 38 is
The 4th flame-proof type is successively installed on three export pipelines 39 and quickly cuts off solenoid valve 40, the 4th pressure reducing valve 41, the 4th hand valve the 42, the 4th
Pressure transmitter 43, fourth trochanter flowmeter 44 and the 4th solenoid valve 45 are simultaneously connected respectively to the first solenoid valve 8, second solenoid valve
19, on the pipeline of 34 back of third solenoid valve, solenoid valve 29 and the second diffusion gas dedicated hood 25 are quickly cut off in third flame-proof type
Between pipeline on the first tested gas alarm 24 is installed, threeway is installed on first outlet pipeline 2 by gas gas point
At two-way, the second pipeline 9 is through the 5th hand valve 10, the 5th solenoid valve 11 connection the second diffusion gas dedicated hood 25, another way warp all the way
First solenoid valve 8 connects analog signal and accesses PLC52, threeway is installed on the second pipeline 13, gas is divided into two-way, and all the way the
Two pipelines 20 are connected to the second diffusion gas dedicated hood 25 after the 6th hand valve 21, the 6th solenoid valve 22, and another way is through the second electromagnetism
Valve 19, draft fan 53 and combined aural and visual alarm 54 connect analog signal and access PLC52, and threeway is installed on third pipeline 28 by gas
Gas is divided into two-way, and the 4th pipeline 35 spreads gas dedicated hood 25 simultaneously through the 7th hand valve 36, the 7th solenoid valve 37 connection second all the way
It is delivered to the second tested gas alarm 26, another way connects mould through third solenoid valve 34, draft fan 53 and combined aural and visual alarm 54
Quasi- signal accesses PLC52, in calibrating toxic air alarm device 46 one of the indoor location with analog output, toxic gas alarm
Device 47 1 and CO alarm 48 1, temperature sensor 49 1, humidity sensor 50 1, absolute pressure sensor 51 1,
The side analog signal incoming analog signal PLC52, the analog signal PLC52 piping connection host computer 55 that 6 sensors are exported
With WEB server 56, host computer 55 connects printer 57.
The utility model process flow：
When toxic air alarm device is examined and determine, calibrating gas bottle is placed in storage canopy.
By controlling the switch of the 5th solenoid valve 11, the 6th solenoid valve 22, the 7th solenoid valve 37, two can be completed at the same time
The calibrating of gas alarm, improves work efficiency, and can also individually complete a toxic air alarm device calibrating.
In calibrating toxic air alarm device 46 one of the indoor location with analog output, toxic air alarm device 47, one
Platform and CO alarm 48 1, temperature sensor 49 1, humidity sensor 50 1, absolute pressure sensor 51 1.6 are passed
The analog signal incoming analog signal PLC 52 of sensor output, when toxic, toxic and CO gas is more than setting alarming value, simulation
Quickly the first flame-proof type of cutting quickly cuts off solenoid valve 3 and the second flame-proof type is quick for the switching signal closing of signal PLC52 output
Cutting solenoid valve 14 and third flame-proof type quickly cut off solenoid valve 29, prevent gas from continuing to leak, and connect fan 53 and switch, starting
Fan reduces gas concentration, and driving combined aural and visual alarm 54 generates warning message and operator is notified to handle in time.All pressure become
The signal and detected gas alarm signal for sending device and spinner flowmeter and solenoid valve access PLC system, and data are shown
On host computer 55, verification result is exported by printer 57, and calibrating information can be issued by WEB server 56, structure
At complete gas alarm automatic calibrator.
In toxic air alarm device verification process, verification worker is by the first tested gas alarm 24, the second tested gas report
Alert device 26 is fixed in calibrating installation, is connected diffusion gas hood, is connected signal cable, is led to after having checked appearance and mark mark
Electricity can start automatic Verification program.PLC system is passed through different calibrating gas, PLC system by switching different solenoid valves
Record the output valve of gas alarm.Nitrogen magnetic valve is opened after the completion of ventilation every time to be purged, guarantees the standard of measurement numerical value
True property.Zero point correction, error of indication calibrating, repeatability calibrating, the calibrating of corresponding time, alarm function can be completed according to vertification regulation
The calibration operations such as the calibrating of energy actuation of an alarm value, zero point span drift.
Claims (1)
1. a kind of toxic air alarm device automatic calibrator, it is characterised in that：20%FS H2S calibrating gas bottle（1）In first outlet
Pipeline（2）On the first flame-proof type be successively installed quickly cut off solenoid valve（3）, the first pressure reducing valve（4）, first-hand valve（5）, first pressure
Power transmitter（6）, the first rotor flowmeter（7）With the first solenoid valve（8）And it is connected to the first diffusion gas dedicated hood（23）, 50%
FS H2S calibrating gas bottle（12）In second outlet pipeline（13）On the second flame-proof type be successively installed quickly cut off solenoid valve（14）,
Two pressure reducing valves（15）, second-hand's valve（16）, second pressure transmitter（17）, the second spinner flowmeter（18）And second solenoid valve
（19）And it is connected to the first diffusion gas dedicated hood（23）, 80%FS H2S calibrating gas bottle（27）In third export pipeline（28）On according to
Secondary installation third flame-proof type quickly cuts off solenoid valve（29）, third pressure reducing valve（30）, third hand valve（31）, third pressure transmitter
（32）, third trochanter flowmeter（33）With third solenoid valve（34）And it is connected to the first diffusion gas dedicated hood（23）, 2699.99%
N2 calibrating gas bottle（38）In the 4th export pipeline（39）On the 4th flame-proof type be successively installed quickly cut off solenoid valve（40）, the 4th subtract
Pressure valve（41）, the 4th hand valve（42）, the 4th pressure transmitter（43）, fourth trochanter flowmeter（44）With the 4th solenoid valve（45）And
It is connected respectively to the first solenoid valve（8）, second solenoid valve（19）, third solenoid valve（34）On the pipeline of back, in third flame proof
Type quickly cuts off solenoid valve（29）With the second diffusion gas dedicated hood（25）Between pipeline on the first tested gas alarm is installed
Device（24）, in first outlet pipeline（2）Gas is divided into two-way, the first pipeline by upper installation threeway（9）Through the 5th hand valve（10）,
Five solenoid valves（11）Connection the second diffusion gas dedicated hood（25）, another way is through the first solenoid valve（8）It connects analog signal and accesses PLC
（52）, in second outlet pipeline（13）Gas is divided into two-way by upper installation threeway, all the way the second pipeline（20）Through the 6th hand valve
（21）, the 6th solenoid valve（22）After be connected to the second diffusion gas dedicated hood（25）, another way is through second solenoid valve（19）, draft fan
（53）And combined aural and visual alarm（54）It connects analog signal and accesses PLC（52）, in third export pipeline（28）Upper installation threeway is by gas
Body is divided into two-way, all the way the 4th pipeline（35）Through the 7th hand valve（36）, the 7th solenoid valve（37）Connection the second diffusion gas dedicated hood
（25）And it is delivered to the second tested gas alarm（26）, another way is through third solenoid valve（34）, draft fan（53）With acousto-optic report
Alert device（54）It connects analog signal and accesses PLC（52）, in first toxic gas alarm of the calibrating indoor location with analog output
Device（46）One, the second toxic air alarm device（47）One and CO alarm（48）One, temperature sensor（49）One, it is wet
Spend sensor（50）One, absolute pressure sensor（51）One, the analog signal incoming analog signal PLC that 6 sensors are exported
（52）, analog signal PLC（52）Side piping connection host computer（55）And WEB server（56）, host computer（55）Connection printing
Machine（57）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820326766.2U CN208156843U (en) | 2018-03-10 | 2018-03-10 | A kind of toxic air alarm device automatic calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820326766.2U CN208156843U (en) | 2018-03-10 | 2018-03-10 | A kind of toxic air alarm device automatic calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208156843U true CN208156843U (en) | 2018-11-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820326766.2U Expired - Fee Related CN208156843U (en) | 2018-03-10 | 2018-03-10 | A kind of toxic air alarm device automatic calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208156843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364447A (en) * | 2018-03-10 | 2018-08-03 | 邱敬敏 | A kind of toxic air alarm device automatic calibrator |
-
2018
- 2018-03-10 CN CN201820326766.2U patent/CN208156843U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364447A (en) * | 2018-03-10 | 2018-08-03 | 邱敬敏 | A kind of toxic air alarm device automatic calibrator |
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Legal Events
| 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: 20181127 Termination date: 20190310 |