CN209641055U - A kind of Portable thermal catalytic methane detection alarm automatic Verification platform - Google Patents
A kind of Portable thermal catalytic methane detection alarm automatic Verification platform Download PDFInfo
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- CN209641055U CN209641055U CN201920414412.8U CN201920414412U CN209641055U CN 209641055 U CN209641055 U CN 209641055U CN 201920414412 U CN201920414412 U CN 201920414412U CN 209641055 U CN209641055 U CN 209641055U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 31
- 238000012795 verification Methods 0.000 title claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 13
- 239000010703 silicon Substances 0.000 claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 10
- 230000009466 transformation Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 13
- 238000004880 explosion Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 18
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a kind of Portable thermal catalytic methanes to detect alarm automatic Verification platform.The utility model includes the detection module with explosion-proof performance, the control module with explosion-proof performance and the upper computer module with explosion-proof performance.The detection module with explosion-proof performance includes multiple gas sample gas cylinders with explosion-proof performance, the exhaust gas gas cylinder with explosion-proof performance, the check valve with explosion-proof performance, switch, multiple pressure gauges, tooling case and high-definition camera with multiple explosion-proof performances and good seal.The control module with explosion-proof performance includes the microprocessor with explosion-proof performance, multiple solenoid valves with explosion-proof performance, detects position detection resistance, pressure stabilizing and the filter circuit of valve location, optocoupler, silicon-controlled, multiple pressure transmitters, multiple temperature transmitters, blower, transformer, transformation chip and servo motor.The utility model has many advantages, such as low cost, and semi-automation may be implemented in accuracy height, high safety.
Description
Technical field
The utility model relates to a kind of Portable thermal catalytic methanes to detect alarm automatic Verification platform, be best suited for detecting
Portable thermal catalytic methane detects alarm.
Background technique
In the accident that mine disaster occurs, gas explosion is most important reason, therefore detection methane concentration is most important, and
Portable thermal catalytic methane detection alarm is domestic most commonly used detection methane instrument, therefore to Portable thermal catalytic methane
The verification for detecting alarm is most important.And the verification of now domestic Portable thermal catalytic methane detection alarm is substantially people
Work verifies manually, needs to consume a large amount of time and manpower.Therefore Portable thermal catalytic methane detection alarm automatic Verification is flat
Platform can save a large amount of time and manpower, realize automation verification.
Summary of the invention
The utility model in view of the deficiencies of the prior art, proposes a kind of based on Portable thermal catalytic methane detection alarm
Automatic Verification platform.
The technical solution adopted for solving the technical problem of the utility model are as follows:
The utility model includes the detection module with explosion-proof performance, the control module with explosion-proof performance and has explosion-proof
The upper computer module of performance.
The detection module with explosion-proof performance includes multiple gas sample gas cylinders with explosion-proof performance, has explosion-proof
The exhaust gas gas cylinder of energy, switch, multiple pressure gauges, has multiple explosion-proof performances and good seal at the check valve with explosion-proof performance
Tooling case and high-definition camera.
The gas outlet of each gas sample gas cylinder is connected by switching with the input port of corresponding solenoid valve, the output of solenoid valve
The input terminal of mouth connection flowmeter；The air intake of tooling case is connected with the output end of flowmeter, the gas outlet of tooling case and list
It is connected to the input port of valve, the output end of check valve is connected with exhaust gas gas cylinder；Multiple pressure gauges detect gas sample gas cylinder respectively
With the air pressure of exhaust gas gas cylinder, high-definition camera is mounted on tooling case, in which:
Multiple gas sample gas cylinders with explosion-proof performance store the standard methane gas sample of various concentration, are mounted in front equipment end, use
In providing different standard methane gas samples to device, there is the switch for manually opened closure, gas sample gas cylinder can be replaced.
Exhaust gas gas cylinder with explosion-proof performance, what storage had detected uses exhaust gas, equipment tail end is mounted in, for collecting use
The exhaust outlet that can be discharged is arranged at complete exhaust gas, exhaust gas gas cylinder bottom.
High-definition camera with anti-explosion, anti-corrosion is mounted in tooling case, is connected with host computer, detects portable first
The reading of alkane detector, and send data to host computer.
Check valve with explosion-proof performance is placed on before exhaust gas gas cylinder, makes gas that can only prolong positive direction flowing, exports nothing
Method reflux.
Tooling case with explosion-proof performance and good seal, is mounted on outside, the Portable thermal for placing detected is urged
Change methane detector.
Multiple pressure gauges with explosion-proof performance, be separately mounted to gas sample gas cylinder and exhaust gas gas cylinder before, detect gas sample
The pressure of gas cylinder and exhaust gas gas cylinder.
The control module with explosion-proof performance includes the microprocessor with explosion-proof performance, with explosion-proof performance
Multiple solenoid valves detect position detection resistance, pressure stabilizing and the filter circuit of valve location, optocoupler, silicon-controlled, multiple pressure invertings
Device, multiple temperature transmitters, blower, transformer, transformation chip and servo motor.
220V alternating current is powered by transformer to servo motor, and servo motor is connect with solenoid valve, for detecting valve position
The sensor gear of the position detection resistance and servo motor set is co-axially mounted, the output end of position detection resistance and pressure stabilizing and filtering
The input terminal of circuit connects, the signal processing port connection of the output end and microprocessor of pressure stabilizing and filter circuit；The change
Depressor is connect with transformation chip, and 220V alternating current is by transformer and transformation chip to microprocessor power supply；The control of microprocessor
End is connect with the input terminal of optocoupler, and the output end of optocoupler and silicon-controlled connection, silicon-controlled output end are connect with servo motor, can
It controls silicon and controls servo motor positive and negative rotation；The signal output end of flowmeter and the signal input part of microprocessor connect；Temperature pick-up
The signal output end of device and the signal input part of microprocessor connect；The signal output end of pressure transmitter and the letter of microprocessor
The connection of number input terminal；220V alternating current is powered by transformer fan, and the signal input part of blower and the signal of microprocessor are defeated
Outlet connection, in which:
Multiple solenoid valves with explosion-proof performance are connected with the microprocessor, and transmit data to it；Can substep direct acting, by
The control of microprocessor, and control signal is fed back into microprocessor；It is mounted on after the switch of gas sample gas cylinder, for controlling gas
The flow of gas sample in bottle.
Multiple pressure transmitters with explosion-proof performance, are mounted on tooling case, are connected with the microprocessor, for examining
The air pressure for surveying tooling case, makes each component work under the pressure of normal work.
Multiple temperature transmitters with explosion-proof performance, are mounted on tooling case, are connected with the microprocessor, for detecting
The temperature of tooling case, make each component normal work at a temperature of work.
Flowmeter with explosion-proof performance, is mounted on after solenoid valve, is connected with the microprocessor, and transmits data with it,
Detect the flow of transmitted gas sample.
With explosion prevention function microprocessor, with multiple solenoid valves, multiple pressure gauges, multiple temperature transmitters, flowmeter, wind
Machine is connected, and therefrom receives and processes corresponding data, and send data to host computer.
Furtherly, the upper computer module with explosion-proof performance includes host computer and can touch display screen；The city 220V
Electricity is powered by transformer to host computer, and the signal processing port of the signal processing port and host computer that can touch display screen connects；
The 220V alternating current is powered by transformer to high-definition camera, the signal output end of high-definition camera and the signal of host computer
Input terminal connection, in which: have and send and receive the host computer of data function, with central processing unit, high-definition camera, can touch it is aobvious
Display screen is connected, and forms upper computer module；Display screen is touched with can send and receive data, is mounted on outside tooling case,
It is connected with host computer, shows data, while is also the control interface of host computer.
The utility model has the beneficial effects that the utility model detects the automatic school of alarm based on Portable thermal catalytic methane
Test platform, microprocessor control multiple electromagnetic valves, by camera will reading shooting at picture, with image processing techniques,
Host computer obtains reading.It compares with gas sample, carries out elementary error, alarm error and response time experiment.Relative to existing
Test macro, has many advantages, such as low cost, and semi-automation may be implemented in accuracy height, high safety.
Detailed description of the invention
Fig. 1 is the overall structure signal of the Portable thermal catalytic methane detection alarm automatic Verification platform of the utility model
Figure；
Fig. 2 is the gas circuit schematic diagram of the Portable thermal catalytic methane detection alarm automatic Verification platform of the utility model；
Fig. 3 is the flow diagram of the Portable thermal catalytic methane detection alarm automatic Verification platform of the utility model.
Specific embodiment
One embodiment of the utility model is described further with reference to the accompanying drawing:
Fig. 1 and Fig. 2 are please referred to, it is provided in this embodiment a kind of based on the Portable thermal catalytic methane detection automatic school of alarm
Test platform, comprising: the detection module with explosion-proof performance, the control module with explosion-proof performance and with the upper of explosion-proof performance
Machine module:
The detection module with explosion-proof performance includes in the multiple gas sample gas cylinder 1(figures for have explosion-proof performance with four
For a gas sample gas cylinder, actually can be increased or be reduced according to test request), the exhaust gas gas cylinder with explosion-proof performance
10, the check valve 9 with explosion-proof performance, switch 3, multiple pressure gauges 2, the tooling case with multiple explosion-proof performances and good seal
6, high-definition camera.
The gas outlet of each gas sample gas cylinder is connected by switching with the input port of corresponding solenoid valve 4；Tooling case enters
Port is connected with the output end of flowmeter 5, and the gas outlet of tooling case is connected with the input port of check valve, the output of check valve
End is connected with exhaust gas gas cylinder；Multiple pressure gauges detect gas sample gas cylinder respectively and the air pressure high-definition camera of exhaust gas gas cylinder is mounted on
On tooling case.
Multiple gas sample gas cylinders with explosion-proof performance store the standard methane gas sample of various concentration, are mounted in front equipment end, use
In providing different standard methane gas samples to device, there is the switch for manually opened closure, gas sample gas cylinder can be replaced；Tool
There is the exhaust gas gas cylinder of explosion-proof performance, what storage had detected uses exhaust gas, it is mounted in equipment tail end, for collecting the exhaust gas used,
The exhaust outlet that can be discharged is arranged at exhaust gas gas cylinder bottom；High-definition camera with anti-explosion, anti-corrosion is mounted in tooling case, and upper
Machine is connected, and detects the reading of portable methane detector, and sends data to host computer；With the unidirectional of explosion-proof performance
Valve is placed on before exhaust gas gas cylinder, makes gas that can only prolong positive direction flowing, and outlet can not flow back；With explosion-proof performance and sealing
Good tooling case, is mounted on outside, for placing detected Portable thermal catalytic methane detector；With explosion-proof performance
Multiple pressure gauges, be separately mounted to gas sample gas cylinder and exhaust gas gas cylinder before, detect the pressure of gas sample gas cylinder and exhaust gas gas cylinder.
The control module with explosion-proof performance includes the microprocessor with explosion-proof performance, with explosion-proof performance
Multiple solenoid valves detect position detection resistance, pressure stabilizing and the filter circuit of valve location, optocoupler, silicon-controlled, multiple pressure invertings
Device 8, multiple temperature transmitters 7, blower, transformer, transformation chip and servo motor.
220V alternating current is powered by transformer to servo motor, and servo motor is connect with solenoid valve, for detecting valve position
The sensor gear of the position detection resistance and servo motor set is co-axially mounted, the output end of position detection resistance and pressure stabilizing and filtering
The input terminal of circuit connects, the signal processing port connection of the output end and microprocessor of pressure stabilizing and filter circuit；The change
Depressor is connect with transformation chip, and 220V alternating current is by transformer and transformation chip to microprocessor power supply；The control of microprocessor
End is connect with the input terminal of optocoupler, and the output end of optocoupler and silicon-controlled connection, silicon-controlled output end are connect with servo motor, can
It controls silicon and controls servo motor positive and negative rotation；The signal output end of flowmeter and the signal input part of microprocessor connect；Temperature pick-up
The signal output end of device and the signal input part of microprocessor connect；The signal output end of pressure transmitter and the letter of microprocessor
The connection of number input terminal；220V alternating current is powered by transformer fan, and the signal input part of blower and the signal of microprocessor are defeated
Outlet connection.
Multiple solenoid valves with explosion-proof performance are connected with the microprocessor, and transmit data to it；Can substep direct acting, by
The control of microprocessor, and control signal is fed back into microprocessor；It is mounted on after the switch of gas sample gas cylinder, for controlling gas
The flow of gas sample in bottle；Multiple pressure transmitters with explosion-proof performance, are mounted on tooling case, are connected with microprocessor
It connects, for the air pressure of detecting tool case, each component is made to work under the pressure of normal work；Multiple temperature with explosion-proof performance
Transmitter is mounted on tooling case, is connected with the microprocessor, and for the temperature of detecting tool, is working normally each component
At a temperature of work；Flowmeter with explosion-proof performance, is mounted on after solenoid valve, is connected with the microprocessor, and transmits with it
Data detect the flow of transmitted gas sample；With explosion prevention function microprocessor, with multiple solenoid valves, multiple pressure gauges, Duo Gewen
Degree transmitter, flowmeter, blower are connected, and therefrom receive and process corresponding data, and send data to host computer.
The upper computer module with explosion-proof performance includes host computer and can touch display screen.
The 220V alternating current is powered by transformer to host computer, and signal processing port and the host computer of display screen can be touched
Signal processing port connection；The 220V alternating current is powered by transformer to high-definition camera, the signal of high-definition camera
The connection of the signal input part of output end and host computer.
With the host computer for sending and receiving data function, with central processing unit, high-definition camera, display screen can be touched be connected
It connects, forms upper computer module；Display screen is touched with can send and receive data, is mounted on outside tooling case, with host computer
It is connected, shows data, while is also the control interface of host computer.
It is illustrated in figure 3 the checking procedure of the platform, comprising:
Step: 1) after host computer is powered, being initialized, and high-definition camera is started, and starting can touch liquid crystal display.
2) it after microprocessor is powered, is initialized, establishes connection with host computer；Electromagnetic valve position is detected, if valve
It is not turned off, closes valve.
3) manually opened gas sample gas cylinder switch.
4) elementary error, alarm error and one, two in the response time or full item are selected.
5) elementary error is tested: the solenoid valve of 0.5% gas sample gas cylinder of microprocessor controlled concentration is opened, while microprocessor
Start timing, when being recorded 1 minute, microprocessor controls solenoid valves are closed, and when being recorded 2 minutes, high-definition camera is shot just
The reading of formula thermocatalytic methane detection alarming instrument is taken, host computer is obtained by image procossing and is read and shown by display screen, with
The concentration of gas sample gas cylinder is compared, and when microprocessor records were by 3 minutes, opens solenoid valve and fan switch are discharged in tooling
Gas sample gas；Repeat to test three times.The solenoid valve that microprocessor controls 1.5% concentration gas sample gas cylinder is opened, while micro- place
Reason device starts timing, and when being recorded 1 minute, microprocessor controls solenoid valves are closed, and when being recorded 2 minutes, high-definition camera is clapped
The reading of Portable thermal catalytic methane detection alarm is taken the photograph, host computer is obtained and read and by display screen display by image procossing
Show, be compared with the concentration of gas sample gas cylinder, when microprocessor records were by 3 minutes, work is discharged in opens solenoid valve and fan switch
Gas sample gas in dress；Repeat to test three times.The solenoid valve that microprocessor controls 2.5% concentration gas sample gas cylinder is opened, simultaneously
Microprocessor starts timing, and when being recorded 1 minute, microprocessor controls solenoid valves are closed, when being recorded 2 minutes, high-definition camera
The reading of head shooting Portable thermal catalytic methane detection alarm, host computer are obtained by image procossing and are read and pass through display
Screen display, is compared with the concentration of gas sample gas cylinder, when microprocessor records were by 3 minutes, opens solenoid valve and fan switch, and row
Gas sample gas in tooling out；Repeat to test three times.The solenoid valve that microprocessor controls 4.5% concentration gas sample gas cylinder is opened,
Microprocessor starts timing simultaneously, and when being recorded 1 minute, microprocessor controls solenoid valves are closed, when being recorded 2 minutes, high definition
Camera shoots the reading of Portable thermal catalytic methane detection alarm, and host computer is obtained by image procossing and read and passed through
Display screen is shown, is compared with the concentration of gas sample gas cylinder, and when microprocessor records were by 3 minutes, opens solenoid valve and blower are opened
It closes, the gas sample gas in tooling is discharged；Repeat to test three times.
6) alarm error testing: the solenoid valve that microprocessor controls 0.9% concentration gas sample gas cylinder is opened, while microprocessor
Start timing, when being recorded 1 minute, microprocessor controls solenoid valves are closed, and when being recorded 2 minutes, high-definition camera is shot just
The reading of formula thermocatalytic methane detection alarming instrument is taken, host computer is obtained by image procossing and is read and shown by display screen, with
The concentration of gas sample gas cylinder is compared, and when microprocessor records were by 3 minutes, opens solenoid valve and fan switch are discharged in tooling
Gas sample gas；Repeat to test three times.The solenoid valve that microprocessor controls 1.0% concentration gas sample gas cylinder is opened, while micro- place
Reason device starts timing, and when being recorded 1 minute, microprocessor controls solenoid valves are closed, and when being recorded 2 minutes, high-definition camera is clapped
The reading of Portable thermal catalytic methane detection alarm is taken the photograph, host computer is obtained and read and by display screen display by image procossing
Show, be compared with the concentration of gas sample gas cylinder, when microprocessor records were by 3 minutes, work is discharged in opens solenoid valve and fan switch
Gas sample gas in dress；Repeat to test three times.The solenoid valve that microprocessor controls 1.15% concentration gas sample gas cylinder is opened, together
When microprocessor start timing, when being recorded 1 minute, microprocessor controls solenoid valves close, when being recorded 2 minutes, high definition is taken the photograph
As the reading of head shooting Portable thermal catalytic methane detection alarm, host computer is obtained and is read and by aobvious by image procossing
Display screen is shown, is compared with the concentration of gas sample gas cylinder, when microprocessor records were by 3 minutes, opens solenoid valve and fan switch,
The gas sample gas in tooling is discharged；Repeat to test three times.The solenoid valve that microprocessor controls 1.35% concentration gas sample gas cylinder is opened
It opens, while microprocessor starts timing, when being recorded 1 minute, microprocessor controls solenoid valves are closed, high when being recorded 2 minutes
The reading of clear camera shooting Portable thermal catalytic methane detection alarm, host computer are obtained by image procossing and are read and led to
It crosses display screen to show, be compared with the concentration of gas sample gas cylinder, when microprocessor records were by 3 minutes, opens solenoid valve and blower
The gas sample gas in tooling is discharged in switch；Repeat to test three times.Microprocessor controls the electricity of 1.50% concentration gas sample gas cylinder
Magnet valve is opened, while microprocessor starts timing, and when being recorded 1 minute, microprocessor controls solenoid valves are closed, and is recorded 2 points
Zhong Shi, high-definition camera shoot the reading of Portable thermal catalytic methane detection alarm, and host computer obtains reading by image procossing
It counts and is shown by display screen, is compared with the concentration of gas sample gas cylinder, when microprocessor records were by 3 minutes, opens solenoid valve
And fan switch, the gas sample gas in tooling is discharged；Repeat to test three times.Microprocessor controls 1.65% concentration gas sample gas
The solenoid valve of bottle is opened, while microprocessor starts timing, and when being recorded 1 minute, microprocessor controls solenoid valves are closed, record
When by 2 minutes, high-definition camera shoots the reading of Portable thermal catalytic methane detection alarm, host computer by image procossing,
It obtains and reads and shown by display screen, be compared with the concentration of gas sample gas cylinder, when microprocessor records were by 3 minutes, unlatching
The gas sample gas in tooling is discharged in solenoid valve and fan switch；Repeat to test three times.
7) time of fire alarming is tested: the solenoid valve that microprocessor controls 1.0% concentration gas sample gas cylinder is opened, while microprocessor
Start timing, when being recorded 1 minute, microprocessor controls solenoid valves are closed, and when being recorded 2 minutes, high-definition camera is shot just
The reading of formula thermocatalytic methane detection alarming instrument is taken, host computer is obtained by image procossing and read and shown by display screen, micro-
When processor is recorded 3 minutes, the gas sample gas in tooling, microprocessor records to 4 are discharged in opens solenoid valve and fan switch
When minute, the solenoid valve of 1.0% gas sample gas cylinder is opened, after being passed through gas sample gas 20s, closes valve, high-definition camera shooting is portable
The reading of formula thermocatalytic methane detection alarming instrument, judges whether reading reaches 0.9%；Repeat to test three times.Microprocessor control
The solenoid valve for making 1.5% concentration gas sample gas cylinder is opened, while microprocessor starts timing, when being recorded 1 minute, microprocessor control
Solenoid valve processed is closed, and when being recorded 2 minutes, high-definition camera shoots the reading of Portable thermal catalytic methane detection alarm, on
Position machine obtained and read and shown by display screen by image procossing, when microprocessor records were by 3 minutes, opens solenoid valve and
The gas sample gas in tooling is discharged in fan switch, when microprocessor records were by 4 minutes, opens the solenoid valve of 1.5% gas sample gas cylinder,
After being passed through gas sample gas 20s, valve is closed, high-definition camera shoots the reading of Portable thermal catalytic methane detection alarm, sentences
Whether disconnected reading reaches 1.35%；Repeat to test three times.
In conclusion the Portable thermal catalytic methane detection alarm automatic Verification platform of the utility model passes through host computer
With the control of microprocessor, it thus can realize and Portable thermal catalytic methane detection alarm is effectively verified, realize automation school
It tests and uses manpower and material resources sparingly.Compared with the existing technology the advantages of, is: 1, reducing detection error；2, since each device uses explosion-proof timber
Expect, security performance is strong in actual use；3, alarm calibration equipment is detected relative to existing Portable thermal catalytic methane, it is real
Automation verification is showed.
Claims (2)
1. a kind of Portable thermal catalytic methane detects alarm automatic Verification platform, including with explosion-proof performance detection module,
Control module with explosion-proof performance and the upper computer module with explosion-proof performance, it is characterised in that:
The detection module with explosion-proof performance includes multiple gas sample gas cylinders with explosion-proof performance, with explosion-proof performance
Exhaust gas gas cylinder, the check valve with explosion-proof performance, switch, multiple pressure gauges, the work with multiple explosion-proof performances and good seal
Vanning and high-definition camera；
The gas outlet of each gas sample gas cylinder is connected by switching with the input port of corresponding solenoid valve, and the delivery outlet of solenoid valve connects
Connect the input terminal of flowmeter；The air intake of tooling case is connected with the output end of flowmeter, the gas outlet of tooling case and check valve
Input port be connected, the output end of check valve is connected with exhaust gas gas cylinder；Multiple pressure gauges detect gas sample gas cylinder respectively and give up
The air pressure of gas bottle, high-definition camera are mounted on tooling case, in which:
Multiple gas sample gas cylinders with explosion-proof performance store the standard methane gas sample of various concentration, be mounted in front equipment end, for
Device provides different standard methane gas samples, has the switch for manually opened closure, and gas sample gas cylinder can be replaced；
Exhaust gas gas cylinder with explosion-proof performance, store detect use exhaust gas, mounted in equipment tail end, used for collecting
The exhaust outlet that can be discharged is arranged at exhaust gas, exhaust gas gas cylinder bottom；
High-definition camera with anti-explosion, anti-corrosion is mounted in tooling case, is connected with host computer, detects portable methane inspection
The reading of instrument is surveyed, and sends data to host computer；
Check valve with explosion-proof performance is placed on before exhaust gas gas cylinder, makes gas that can only prolong positive direction flowing, and outlet can not be returned
Stream；
Tooling case with explosion-proof performance and good seal, is mounted on outside, is catalyzed first for placing detected Portable thermal
Alkane detector；
Multiple pressure gauges with explosion-proof performance, be separately mounted to gas sample gas cylinder and exhaust gas gas cylinder before, detect gas sample gas cylinder
With the pressure of exhaust gas gas cylinder；
The control module with explosion-proof performance includes the microprocessor with explosion-proof performance, with the multiple of explosion-proof performance
Solenoid valve, detect position detection resistance, pressure stabilizing and the filter circuit of valve location, optocoupler, silicon-controlled, multiple pressure transmitters,
Multiple temperature transmitters, blower, transformer, transformation chip and servo motor；
220V alternating current is powered by transformer to servo motor, and servo motor is connect with solenoid valve, for detecting valve location
The sensor gear of position detection resistance and servo motor is co-axially mounted, the output end and pressure stabilizing and filter circuit of position detection resistance
Input terminal connection, the output end and microprocessor of pressure stabilizing and filter circuit signal processing port connection；The transformer
It is connect with transformation chip, 220V alternating current is by transformer and transformation chip to microprocessor power supply；The control terminal of microprocessor with
The input terminal of optocoupler connects, and the output end of optocoupler and silicon-controlled connection, silicon-controlled output end is connect with servo motor, silicon-controlled
Control servo motor positive and negative rotation；The signal output end of flowmeter and the signal input part of microprocessor connect；Temperature transmitter
The connection of the signal input part of signal output end and microprocessor；The signal output end of pressure transmitter and the signal of microprocessor are defeated
Enter end connection；220V alternating current is powered by transformer fan, the signal input part of blower and the signal output end of microprocessor
Connection, in which:
Multiple solenoid valves with explosion-proof performance are connected with the microprocessor, and transmit data to it；Can substep direct acting, by micro- place
The control of device is managed, and control signal is fed back into microprocessor；It is mounted on after the switch of gas sample gas cylinder, for controlling in gas cylinder
The flow of gas sample；
Multiple pressure transmitters with explosion-proof performance, are mounted on tooling case, are connected with the microprocessor, for detecting work
The air pressure of vanning makes each component work under the pressure of normal work；
Multiple temperature transmitters with explosion-proof performance, are mounted on tooling case, are connected with the microprocessor, and are used for detecting tool
The temperature of case, make each component normal work at a temperature of work；
Flowmeter with explosion-proof performance, is mounted on after solenoid valve, is connected with the microprocessor, and transmits data with it, detection
The flow of transmitted gas sample；
With explosion prevention function microprocessor, with multiple solenoid valves, multiple pressure gauges, multiple temperature transmitters, flowmeter, blower phase
Connection, therefrom receives and processes corresponding data, and send data to host computer.
2. a kind of Portable thermal catalytic methane according to claim 1 detects alarm automatic Verification platform, feature exists
In: the upper computer module with explosion-proof performance includes host computer and can touch display screen；220V alternating current is given by transformer
The signal processing port of host computer power supply, the signal processing port and host computer that can touch display screen connects；The 220V alternating current
It is powered by transformer to high-definition camera, the signal output end of high-definition camera and the signal input part of host computer connect,
In: have and send and receive the host computer of data function, with central processing unit, high-definition camera, display screen can be touched be connected, group
At upper computer module；Display screen is touched with can send and receive data, is mounted on outside tooling case, is connected with host computer
It connects, shows data, while being also the control interface of host computer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949557A (en) * | 2019-03-29 | 2019-06-28 | 中国计量大学上虞高等研究院有限公司 | Portable thermal catalytic methane detects alarm automatic Verification platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949557A (en) * | 2019-03-29 | 2019-06-28 | 中国计量大学上虞高等研究院有限公司 | Portable thermal catalytic methane detects alarm automatic Verification platform |
| CN109949557B (en) * | 2019-03-29 | 2023-11-03 | 中国计量大学上虞高等研究院有限公司 | Portable automatic calibration platform for thermal catalytic methane detection alarm |
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