CN207249884U - Intelligent multifunction gas alarm calibrating installation - Google Patents
Intelligent multifunction gas alarm calibrating installation Download PDFInfo
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- CN207249884U CN207249884U CN201720844068.7U CN201720844068U CN207249884U CN 207249884 U CN207249884 U CN 207249884U CN 201720844068 U CN201720844068 U CN 201720844068U CN 207249884 U CN207249884 U CN 207249884U
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Abstract
The utility model provides a kind of intelligent multifunction gas alarm calibrating installation, its gas transfer pipeline connects multiple calibrating gas bottles, to accredited gas alarm transfer criteria gas, the gas transfer pipeline configures multiple calibrating interfaces, it is connected and is examined and determine with the probe of accredited gas alarm, PLC system receives the standard current signal for the standard gas concentration pick-up that accredited gas alarm detects, and compared with standard gas concentration pre-set value, the accredited gas alarm verification result of output, active station shows and is formed the verification result of accredited gas alarm.The intelligent multifunction gas alarm calibrating installation can realize that source of the gas and acousto-optic prompt functions are cut off in interlocking during gas leakage, realize verification intelligence and Essential Safety.
Description
Technical field
The Calibration Technology field of gas alarm is the utility model is related to, especially relates to a kind of intelligent multifunction gas
Body alarm calibrating installation.
Background technology
It is engaged at present in calibrating room in flammable, toxic and harmful gas alarm verification process, used storage standard
The gas cylinder of gas, introduces a gas into calibrating interior by connecting line and is examined and determine.The unlatching of pipeline valve needs manual control,
There is no the detection of gas flow, the amount of residual gas can not be calculated, without the detection of Current Temperatures and humidity, hold verification result
Easily there is deviation, when pipeline leaks, because without effective interlock protection measure, gas may be leaked largely, be produced
Explosion or personal injury accident.For this we have invented a kind of new intelligent multifunction gas alarm calibrating installation, solve
Above technical problem.
Utility model content
The purpose of this utility model, which is to provide one kind, makes gas alarm verification process become conveniently, safely quick, efficient
Intelligent multifunction gas alarm calibrating installation.
The purpose of this utility model can be achieved by the following technical measures：Intelligent multifunction gas alarm calibrating dress
Put, gas transfer pipeline, PLC system, calibrating interface and operation should be included based on intelligent multipath gas alarm calibrating installation
Stand, which connects multiple calibrating gas bottles, to accredited gas alarm transfer criteria gas, the air shooter
Road configures multiple calibrating interfaces, is connected and is examined and determine with the probe of accredited gas alarm, which receives accredited
The standard current signal for the standard gas concentration pick-up that gas alarm detects, and carried out with standard gas concentration pre-set value
Compare, export accredited gas alarm verification result, which configures the active station, to show and be formed accredited gas
The verification result of body alarm.
The purpose of this utility model can be also achieved by the following technical measures：
The intelligent multifunction gas alarm calibrating installation further includes pressure transmitter, which is installed on should
On gas transfer pipeline, the gas transfer pipeline Plays gas pressure is indicated.
The pressure transmitter is connected to the PLC system, calibrating gas pressure data is transferred to the PLC system, by the PLC
System is transferred to the active station, and the pressure of calibrating gas is shown by the active station.
The calibrating installation further includes a valve and suspended body flowmeter, and a valve and the suspended body flowmeter are respectively positioned on the gas
On transfer pipeline, a valve be installed on the suspended body flowmeter before, for Temporarily Closed gas circuit, the suspended body flowmeter coordinate this one
The aperture of secondary valve, controls the flow of calibrating gas.
The suspended body flowmeter is connected to the PLC system, shows the gas transfer pipeline Plays gas moment flow and passes
The PLC system is defeated by, which is transferred to by the PLC system, and the flow of calibrating gas is shown by the active station.
The calibrating installation further includes bypass valve, which is located on the gas transfer pipeline, and is installed on the float stream
After gauge, calibrating gas is divided into two-way, to detect two accredited gas alarms at the same time.
The calibrating interface includes H2S calibratings interface, CO calibratings interface, iso-butane calibrating interface and methane calibrating interface.
The gas transfer pipeline is connected to multiple calibrating gas bottles by nipple, and multiple calibrating gas bottles are positioned over divider wall
In outer shed special.
The calibrating installation further includes gas alarm, which is connected to the PLC system, the leakage of detection gas
Whether concentration transfinites, and output alarm signal gives the PLC system after transfiniting.
The calibrating installation further includes solenoid valve, which is connected to the solenoid valve, which is receiving alarm
The electromagnetism valve events are driven after signal, which is located on the gas transfer pipeline, and is cut off under the driving of the PLC system
Gas circuit.
The calibrating installation further includes ventilation fan, which is connected to the PLC system, is installed on accredited gas alarm
Top, the PLC system driven after alarm signal is received the ventilation fan start ventilation.
The gas alarm includes flammable gas alarm, toxic air alarm device and CO alarms, the fuel gas report
Alert device, the toxic air alarm device and the CO alarms are installed on the accredited 30 centimetres of high positions of gas alarm of distance.
The calibrating installation further includes audible-visual annunciator, which is connected to the PLC system, is installed on accredited gas
On the lateral wall of body alarm, which drives the audible-visual annunciator to send sound-light alarm letter after alarm signal is received
Breath.
Intelligent multifunction gas alarm calibrating installation in the utility model, makes gas alarm verification process, becomes
Must be conveniently, safely quick, efficient, achieve ideal using effect.It can be provided at the same time for the internet function in future
Basis.
Brief description of the drawings
Fig. 1 is the structure of a specific embodiment of the intelligent multifunction gas alarm calibrating installation of the utility model
Figure.
Embodiment
To enable the above and other objects, features and advantages of the utility model to become apparent, it is cited below particularly go out preferably
Embodiment, and coordinate shown in attached drawing, it is described in detail below.
As shown in Figure 1, Fig. 1 is the structure chart of the intelligent multifunction gas alarm calibrating installation of the utility model.Should
Intelligent multifunction gas alarm calibrating installation is by solenoid valve 1, gas transfer pipeline 2 pressure transmitter 3, valves 4, a floats
Flowmeter 5, by-passing valve 6, flammable gas alarm 7, toxic air alarm device 8, CO alarms 9, PLC system 10, draft fan 11,
Audible-visual annunciator 12, host computer 13, hydrogen sulfide calibrating interface 14, carbon monoxide calibrating interface 15,16 and of iso-butane calibrating interface
Methane calibrating interface 17 forms.
H2S calibrating gas bottles 19, CO calibrating gas bottles 20, iso-butane calibrating gas bottle 21 and methane calibrating gas bottle 22 are positioned over isolation
In shed special outside wall 18, it is connected by nipple with gas transfer pipeline 2, is supplied for calibrating installation.Solenoid valve 1 is located at
On the gas transfer pipeline 2 of calibrating gas bottle, it act as cutting off gas circuit when gas concentration transfinites in calibrating installation.Pressure transmitter
3 are installed on gas transfer pipeline 2, for indicating gas pressure in pipeline.A valve 4 on gas transfer pipeline 2 is installed on
Before suspended body flowmeter 5, for Temporarily Closed gas circuit.Suspended body flowmeter 5 coordinates a valve 4 on the pipeline after a valve 4
Aperture, control the flow of calibrating gas.After bypass valve 6 is installed on suspended body flowmeter 5, calibrating gas is divided into two-way, so
Two gas alarms can be detected at the same time, improve work efficiency.In the flammable of calibrating cupboard medial surface installation belt switch amount output
Gas alarm 7 one, toxic air alarm device 8 one and CO alarms 9 one, for detection gas leakage concentration whether
Transfinite, signal is exported after transfiniting and carries out interlocking action.PLC system 10 is installed on the outside of calibrating cupboard, for receiving signal, driving
The grade relevant action of solenoid valve 1.Draft fan 11 is installed at the top of calibrating installation, is controlled by PLC, is started when gas concentration transfinites and change
Gas.Audible-visual annunciator 12 is installed on calibrating installation lateral wall, is controlled by PLC10, acousto-optic report is sent when gas concentration transfinites
Alert information, prompts operating personnel's timely processing.Isolated among calibrating installation and calibrating gas bottle with closed divider wall 18.H2S
Examine and determine the phase that interface 14, CO calibratings interface 15, iso-butane calibrating interface 16 and methane calibrating interface 17 are installed in calibrating installation
Answer on the pipeline of calibrating gas bottle, be used for and the probe of gas alarm to be examined and determine is attached detection.
During calibrating, gas cylinder is placed in storage canopy, and gas is sent into calibrating room through gas transfer pipeline 2.Indoor gas conveys
Install one piece of pressure transmitter 3 on pipeline additional respectively and detect manifold pressure, calibrating gas is last defeated by the control of a valve 4
It is sent to suspended body flowmeter 5 and shows instantaneous delivery.The signal of pressure transmitter 3 and suspended body flowmeter 5 is shown into PLC system 10
Show.For gas again by by-passing valve 6, the calibrating gas after flow is adjusted is divided into two-way, is delivered to two calibrating interfaces and carries out school
Work is tested, can so examine and determine two alarms at the same time.The calibrating indoor location of calibrating installation is being installed with analog output
Flammable gas alarm 7 one, toxic air alarm device 8 one and CO alarms 9 one.Analog signals access PLC systems
In system 10.When PLC system 10 detects that flammable, poisonous and CO gases are exceeded, the switching signal that PLC system 10 exports passes through
Cut-off fast shut-off solenoid valve 1 prevents gas from continuing to leak built in PLC system 10, and it is logical to connect the switch startup of draft fan 11
Fan 11 reduces gas concentration, and driving audible-visual annunciator 12 produces warning message and notifies operating personnel's timely processing.Pressure inverting
The standard current signal that device 3, suspended body flowmeter 5 export accesses PLC system 10.Accredited gas alarm will detect
After standard gas concentration is converted into standard current signal to PLC system 10, PLC system 10 is by obtained concentration data and Standard Gases
Bulk concentration pre-set value is compared, and meets gauging error requirement, exports assay approval form.Form complete intelligent more
Road gas alarm calibrating installation.
Intelligent multifunction gas alarm calibrating installation in the utility model, is controlled whole by a set of PLC system
The flammable and operating status of toxic and harmful gas alarm calibrating installation.Calibrating gas bottle is placed on outdoor special gas cylinder storage canopy
It is interior, after after calibrating gas bottle exports installation fast shut-off solenoid valve by high pressure air reducing in gas cylinder to authorized pressure, then through special
With connecting line, calibrating room is sent into.In calibrating indoor location flammable gas alarm, toxic gas and CO alarms, detection inspection
Determine fuel gas in device, toxic gas and CO concentration.The signal of alarm all accesses PLC control system, works as gas concentration
When exceeded, the switching value output signal of PLC outputs produces interlock protection action.Add respectively on four road indoor gas transfer pipelines
Pressure transmitter is filled, measures the actual pressure of the calibrating gas after decompression, while verification worker can be prompted complete in calibration operation
Into rear closing gas cylinder main valve, transducer signal access PLC system；Calibrating gas is finally transported to floating by the control of a valve
Subflow gauge, shows the instantaneous delivery of calibrating gas, flow signal access PLC system.PLC system configures host computer, leads to
Monitoring software is crossed by the information unification management such as flow, pressure, combustable gas concentration, while can realize the interlock protection of gas leakage
Etc. function.After verification result is inputted host computer at the same time, verification result is gone out by VBSCRIPT script program calculations.So
By the unified monitoring and control of PLC, a kind of intelligent multipath gas alarm calibrating installation is formed.
Claims (13)
1. intelligent multifunction gas alarm calibrating installation, it is characterised in that the intelligent multifunction gas alarm is examined and determine
Device includes gas transfer pipeline, PLC system, calibrating interface and active station, which connects multiple calibrating gas bottles,
To accredited gas alarm transfer criteria gas, which configures multiple calibrating interfaces, with accredited gas
The probe connection of alarm is examined and determine, which receives the standard gas concentration that accredited gas alarm detects and become
The standard current signal sent, and compared with standard gas concentration pre-set value, export accredited gas alarm calibrating knot
Fruit, the PLC system configure the active station, to show and be formed the verification result of accredited gas alarm.
2. intelligent multifunction gas alarm calibrating installation according to claim 1, it is characterised in that this is intelligent more
Function gas alarm calibrating installation further includes pressure transmitter, which is installed on the gas transfer pipeline, refers to
Show the gas transfer pipeline Plays gas pressure.
3. intelligent multifunction gas alarm calibrating installation according to claim 2, it is characterised in that the pressure inverting
Device is connected to the PLC system, and calibrating gas pressure data is transferred to the PLC system, and being transferred to this by the PLC system operates
Stand, and the pressure of calibrating gas is shown by the active station.
4. intelligent multifunction gas alarm calibrating installation according to claim 1, it is characterised in that this is intelligent more
Function gas alarm calibrating installation further includes a valve and suspended body flowmeter, and a valve and the suspended body flowmeter are respectively positioned on this
On gas transfer pipeline, before which is installed on the suspended body flowmeter, for Temporarily Closed gas circuit, which coordinates
The aperture of valve, controls the flow of calibrating gas.
5. intelligent multifunction gas alarm calibrating installation according to claim 4, it is characterised in that the float-type
Meter is connected to the PLC system, shows the gas transfer pipeline Plays gas moment flow and is transferred to the PLC system, by this
PLC system is transferred to the active station, and the flow of calibrating gas is shown by the active station.
6. intelligent multifunction gas alarm calibrating installation according to claim 4, it is characterised in that this is intelligent more
Function gas alarm calibrating installation further includes bypass valve, which is located on the gas transfer pipeline, and floating installed in this
After subflow gauge, calibrating gas is divided into two-way, to detect two accredited gas alarms at the same time.
7. intelligent multifunction gas alarm calibrating installation according to claim 1, it is characterised in that the calibrating interface
Including H2S calibratings interface, CO calibratings interface, iso-butane calibrating interface and methane calibrating interface.
8. intelligent multifunction gas alarm calibrating installation according to claim 1, it is characterised in that the gas conveys
Pipeline is connected to multiple calibrating gas bottles by nipple, and multiple calibrating gas bottles are positioned in the shed special outside divider wall.
9. intelligent multifunction gas alarm calibrating installation according to claim 1, it is characterised in that this is intelligent more
Function gas alarm calibrating installation further includes gas alarm, which is connected to the PLC system, detection gas
Whether leakage concentration transfinites, and output alarm signal gives the PLC system after transfiniting.
10. intelligent multifunction gas alarm calibrating installation according to claim 9, it is characterised in that this is intelligent
Multifunctional gas alarm calibrating installation further includes solenoid valve, which is connected to the solenoid valve, which is receiving
The electromagnetism valve events are driven after to alarm signal, which is located on the gas transfer pipeline, and in the driving of the PLC system
Incision is died road.
11. intelligent multifunction gas alarm calibrating installation according to claim 9, it is characterised in that this is intelligent
Multifunctional gas alarm calibrating installation further includes ventilation fan, which is connected to the PLC system, is installed on accredited gas
The top of alarm, the PLC system drive the ventilation fan to start ventilation after alarm signal is received.
12. intelligent multifunction gas alarm calibrating installation according to claim 9, it is characterised in that the gas report
Alert device includes flammable gas alarm, toxic air alarm device and CO alarms, the flammable gas alarm, the toxic gas report
Alert device and the CO alarms are installed on the accredited 30 centimetres of high positions of gas alarm of distance.
13. intelligent multifunction gas alarm calibrating installation according to claim 9, it is characterised in that this is intelligent
Multifunctional gas alarm calibrating installation further includes audible-visual annunciator, which is connected to the PLC system, be installed on by
On the lateral wall for examining and determine gas alarm, which drives the audible-visual annunciator to send acousto-optic after alarm signal is received
Warning message.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844068.7U CN207249884U (en) | 2017-07-12 | 2017-07-12 | Intelligent multifunction gas alarm calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844068.7U CN207249884U (en) | 2017-07-12 | 2017-07-12 | Intelligent multifunction gas alarm calibrating installation |
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| CN207249884U true CN207249884U (en) | 2018-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031419A (en) * | 2019-04-08 | 2019-07-19 | 中国矿业大学 | A kind of automatic calibrator of non-dispersive infrared methane sensor |
-
2017
- 2017-07-12 CN CN201720844068.7U patent/CN207249884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031419A (en) * | 2019-04-08 | 2019-07-19 | 中国矿业大学 | A kind of automatic calibrator of non-dispersive infrared methane sensor |
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