CN207263711U - The warship cabin gas-detecting device of multi-point sampling - Google Patents
The warship cabin gas-detecting device of multi-point sampling Download PDFInfo
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- CN207263711U CN207263711U CN201720545979.XU CN201720545979U CN207263711U CN 207263711 U CN207263711 U CN 207263711U CN 201720545979 U CN201720545979 U CN 201720545979U CN 207263711 U CN207263711 U CN 207263711U
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- 238000001514 detection method Methods 0.000 claims abstract description 78
- 238000005259 measurement Methods 0.000 claims abstract description 37
- 239000007789 gas Substances 0.000 claims description 283
- 239000003595 mist Substances 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 7
- 230000002411 adverse Effects 0.000 claims description 6
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- Sampling And Sample Adjustment (AREA)
Abstract
The warship cabin gas-detecting device of multi-point sampling includes gas detection sensor, the sampling air pump provided for gas-detecting device detection air flow power, the bus-bar for multi-point sampling switching control, the exhaust pump provided for non-detection gas circuit air flow power and the control module for the control of warship cabin gas-detecting device；Sampling air pump is arranged in the gas circuit of gas detection sensor front end, and sampling air flow is provided for gas detection sensor；At least two three-way magnetic valves are provided with bus-bar；When the gas detection of the first sampled point is carried out, control module controls the gas of the first sampled point to flow into gas detection sensor via the power that sampling air pump provides；The gas exhaust pump discharge of other sampled points at the same time.Multi-point sampling be switched into promoting the circulation of qi bulk concentration detection when, there is no due to sampled point apart from gas detection sensor distance caused by detect latency issue, improve gas concentration measurement efficiency so that the measurement between multiple sampled points can realize seamless switching.
Description
Technical field
It the utility model is related to gas-detecting device, more particularly to the gas-detecting device of the multi-point sampling of warship cabin.
Background technology
With the continuous development of warship technology, totally-enclosedization, informationization, intelligence are as Modern New naval vessel
Modular design feature.Warship cabin environment is more closed, staff's density is larger, and air flow property is poor, the finishing material on naval vessel
Benzene,toluene,xylene that material, paint etc. constantly volatilize, formaldehyde, the toxic and harmful gas such as ammonia, make the indoor air matter of vessel cabin
Measure very poor, seriously affect the health of its interior staff.How each key component of the indoor air of vessel cabin is carried out
Detection, is the prerequisite for ensureing the indoor air quality of vessel cabin, ensures the health of its interior staff and becomes one urgently
Solve the problems, such as.The composition of air for needing to detect in usual warship cabin includes：Oxygen (oxygen chemical molecular formulas O2)), it is total
Volatile organic compounds (Total Volatile Organic Compounds), carbon monoxide（carbon monoxide）、
Carbon dioxide (Carbon dioxide) and ozone (chemical molecular formula O3)。
Warship cabin gas-detecting device of the prior art with multi-point sampling, is usually only provided with a sampling gas
Pump,, can only be by sampling the delay of air pump when different sampled points are switched when needing how each space to carry out time sharing sampling
Pumping, could try one's best and avoid gas circuit from mixing.Measurement delay, reduces gas sensor caused by switching between multi-point sampling
Measurement efficiency, also have impact on the service life of sampling air pump so that the efficiency of whole measuring system is low, it is impossible to which given play to maximum is
System measurement capability.
The content of the invention
The technical problems to be solved in the utility model is the warship cabin gas for avoiding above-mentioned prior art multi-point sampling
Detection device when sampled point switches existing measurement delay, the problem of measurement efficiency is low and propose one kind and greatly reduce adopt more
The warship cabin of the efficient multi-point sampling of measurement delay of the warship cabin gas-detecting device of sampling point when sampled point switches
Gas-detecting device.
The utility model solves the warship cabin gas that the technical solution that the technical problem uses is a kind of multi-point sampling
Detection device, including detected for the gas detection sensor of different component gases Concentration Testing in warship cabin, for gas
What device detection air flow power provided samples air pump, the bus-bar for multi-point sampling switching control, for non-detection gas circuit gas
The exhaust pump that mobilization force provides and the control module for the control of warship cabin gas-detecting device；The sampling air pump is arranged on
In the gas circuit of gas detection sensor front end, sampling air flow is provided for gas detection sensor；Be provided with the bus-bar to
Few two three-way magnetic valves, i.e. the first solenoid valve and second solenoid valve；The entrance of first solenoid valve and the first sampling gas circuit connection
Introduce the gas extracted from the first sampled point；The first outlet of first solenoid valve is connected with the entrance of the sampling air pump, and first
The second outlet of solenoid valve is connected with exhaust pump；The entrance of second solenoid valve and the second sampling gas circuit connection are introduced from the second sampling
The gas that point extracts；The first outlet of second solenoid valve is connected with the entrance of the sampling air pump, and the second of second solenoid valve goes out
Mouth is connected with exhaust pump；The entrance of second solenoid valve and the second sampling gas circuit connection introduce the gas extracted from the second sampled point；
The first outlet of second solenoid valve is connected with the entrance of the sampling air pump, and the second outlet and exhaust pump of second solenoid valve connect
Connect；The control module controls the first outlet connection of the entrance and the first solenoid valve of the first solenoid valve, and the of the first solenoid valve
One outlet and the sampling air pump through connection；The sampling air pump and the gas detection sensor through connection；The control
The entrance of molding block control second solenoid valve is connected with the second outlet of second solenoid valve, the second outlet of the second solenoid valve
With the exhaust pump through connection, the discharge for gas.When warship cabin gas-detecting device carries out the gas of the first sampled point
When physical examination is surveyed, control module controls the first outlet connection of the entrance and the first solenoid valve of the first solenoid valve so that first adopts
The gas of sampling point enters the sampling air pump by the first outlet of the first solenoid valve, and the kinetic current provided by sampling air pump
Enter gas detection sensor；Meanwhile the entrance of control module control second solenoid valve is connected with the second outlet of second solenoid valve,
So that second outlet of the gas of the second sampled point Jing Guo second solenoid valve is discharged into the exhaust pump.
Three three-way magnetic valves, i.e. the 3rd solenoid valve, the 4th solenoid valve and the 5th solenoid valve are also set up in the bus-bar；
3rd to the 5th solenoid valve is respectively used to send the sample gas that the three, the 4th and the 5th sampled point obtains to the sampling air pump
Or exhaust pump；3rd solenoid valve, the 4th solenoid valve and the 5th solenoid valve receive the control of control module, in warship cabin
When gas-detecting device is run, sample air pump and exhaust pump is in working status；By the selection of solenoid valve in bus-bar, make
Air pump must be sampled selects any one sampled point in the first to the 5th sampled point to carry out gas concentration detection a moment；And
Pass through the switching of solenoid valve in bus-bar so that sampling air pump can be cut immediately after the gas concentration detection of a sampled point is completed
Next sampled point is changed to, since exhaust pump is constantly in working status, adopting after switching before switch sampling point
Sampling point can immediately enter the sampled point gas concentration detection after switching, without etc. air pump to be sampled carry out the emptying of gas circuit.
The warship cabin gas-detecting device of the multi-point sampling further includes the gas for gas-detecting device air flow compensation
Road compensation device, the outlet of the entrance of the gas circuit compensation device and the sampling air pump connect, the gas circuit compensation device
Export and connected with the entrance of the sampling air pump, the gas circuit compensation device will flow through the fraction for sampling air pump from institute
The bypass of gas circuit compensation device is stated, the gas flow bypassed by the gas circuit compensation device adjusts so that from the sampling gas
Pump flows out to the traffic requirement of the flow coincidence senser of sensor.
At least two gas sensors are provided with the gas detection sensor；The gas sensor can be oxygen
This five kinds of sensor, carbon dioxide sensor, ozone sensor, carbon monoxide transducer and VOC sensor
Appoint in sensor and select secondly to five；The measurement of concetration scope of VOC sensor is：0—300PPM；One oxidation
The measurement of concetration scope of carbon sensor is：0—200PPM；The measurement of concetration scope of carbon dioxide sensor is：0—5%；Oxygen
The measurement of concetration scope of sensor is：0—30%；The measurement of concetration scope of ozone sensor is：0—2PPM.
It is described sampling air pump and the bus-bar between be additionally provided with for gas circuit filtering decompression filtering decompressor and
For preventing the condensation-proof apparatus of condensation；The filtering decompressor and the condensation-proof apparatus are provided with a blowdown valve,
The dirt filtered out for discharging filtering decompressor and condensation-proof apparatus.
It is additionally provided between the sampling air pump and the gas detection sensor for flowing through the gas detection sensing
The regulating flow quantity meter that the gas flow of device is adjusted.
Micro- mist point for filtering out micro- mist in air-flow is additionally provided between the sampling air pump and the regulating flow quantity meter
From device；Micro- mist separator is additionally provided with the second blowdown valve and is used to discharge the dirt separated；The sampling gas
The first check valve for preventing gas circuit adverse current is additionally provided between pump and micro- mist separator.
The warship cabin gas-detecting device of the multi-point sampling, further includes marked gas entrance and calibration valve, the mark
Determine gas access to be used to access calibrating gas from calibrating gas source；One end perforation of the marked gas entrance and the calibration valve
Connection；Described calibration the another of valve is terminated between first check valve and micro- mist separator, for calibrating gas to be led to
Cross the calibration that micro- mist separator and regulating flow quantity meter access gas detection sensor carries out gas detection sensor；The gas
The second check valve for preventing gas circuit adverse current is additionally provided with after body detecting sensor.It is, marked gas entrance is from mark
Quasi- gas source access calibrating gas is after demarcating valve, by being arranged between first check valve and micro- mist separator
Calibrating gas entrance enters follow-up measurement gas circuit and carries out the calibration that gas detection sensor carries out gas detection sensor；It is described
The second check valve for preventing gas circuit adverse current is additionally provided with after gas detection sensor.
After second check valve and exhaust pump, exhaust outlet is additionally provided with；Exhaust outlet receives the gas from exhaust pumped
Body and the gas after sensor extracted by sampling pump；It is additionally provided with before exhaust outlet for monitoring gas circuit state
Unadjustable flowmeter.The warship cabin gas-detecting device of the multi-point sampling is further included for sensor Temperature and Humidity Control
Temperature and humidity control device, temperature and humidity control device are arranged on described including Temperature Humidity Sensor and temperature-controlled fan Temperature Humidity Sensor
Inside gas detection sensor；The Temperature Humidity Sensor and temperature-controlled fan receive control module control, are detecting temperature
Start the temperature and humidity that temperature-controlled fan adjusts gas detection sensor local environment after the scope of setting with humidity.
Compared with the existing technology compared with the beneficial effects of the utility model are：1st, multi-point sampling is switched into the inspection of promoting the circulation of qi bulk concentration
During survey, there is no due to sampled point apart from gas detection sensor it is far and near different caused by detect latency issue, improve gas
The efficiency of bulk concentration measurement so that the measurement between multiple sampled points can realize seamless switching；2nd, gas circuit compensation device to flow
The measurement demand of the flow coincidence senser of gas sensor is crossed, ensure that the accuracy of measurement；3rd, the gas circuit before sensor
The regulating flow quantity meter of upper setting, can conveniently adjust flow, flow is adapted to the measurement demand of sensor；4th, filtering decompression dress
Put the setting with condensation-proof apparatus and micro- mist separator, it is ensured that measure the cleanliness factor of gas circuit, reduce airway blockage
Possibility, improve the reliability of system；5th, the calibration solenoid valve with calibrating function and marked gas crossing cause device
Conveniently demarcated, keep the accuracy measured for a long time；6th, the unadjustable flowmeter set before exhaust outlet so that gas circuit goes out
When existing gas leakage or plugging fault, it can be reacted by the traffic conditions of flowmeter.
Brief description of the drawings
Fig. 1 is one of gas circuit configuration diagram of the utility model；
Fig. 2 is the system hardware configuration diagram of the utility model；
Fig. 3 is the two of the gas circuit configuration diagram of the utility model.
Embodiment
The embodiment of the utility model is further described below in conjunction with each attached drawing.
In a kind of specific embodiment of the warship cabin gas-detecting device of multi-point sampling as shown in Fig. 1 to 2, including with
Air-flow is detected in the gas detection sensor 100 of different component gases Concentration Testing in warship cabin, for gas-detecting device
What power provided samples air pump 200, the bus-bar 500 for multi-point sampling switching control, for non-detection gas circuit air flow power
The exhaust pump 600 of offer and the control module 800 for the control of warship cabin gas-detecting device；The sampling air pump 200 is set
Put in the gas circuit of 100 front end of gas detection sensor, sampling air flow is provided for gas detection sensor 100；The bus-bar
At least two three-way magnetic valves, i.e. the first solenoid valve 510 and second solenoid valve 520 are provided with 500；First solenoid valve 510
Entrance and the first sampling gas circuit connection introduce the gas extracted from the first sampled point；The first outlet of first solenoid valve 510 and institute
The entrance connection of sampling air pump 200 is stated, the second outlet and exhaust pump 600 of the first solenoid valve 510 connect；Second solenoid valve 520
Entrance and second sampling gas circuit connection introduce from the second sampled point extract gas；The first outlet of second solenoid valve 520 and
The entrance connection of the sampling air pump 200, the second outlet and exhaust pump 600 of second solenoid valve 520 connect；When warship cabin gas
When body detection device carries out the gas detection of the first sampled point, control module 800 controls the entrance and the of the first solenoid valve 510
The first outlet connection of one solenoid valve 510 so that the gas of the first sampled point enters by the first outlet of the first solenoid valve 510
The sampling air pump 200, and the power provided by sampling air pump 200 flows into gas detection sensor 100；Meanwhile control mould
Block 800 controls the entrance of second solenoid valve 520 to be connected with the second outlet of second solenoid valve 520 so that the gas of the second sampled point
Second outlet of the body Jing Guo second solenoid valve 510 is discharged into the exhaust pump 600.
In a kind of specific embodiment of the warship cabin gas-detecting device of multi-point sampling as shown in Fig. 1 to 2, the remittance
Three three-way magnetic valves, i.e. the 3rd solenoid valve 530, the 4th solenoid valve 540 and the 5th solenoid valve 550 are also set up in stream row 500；The
Three to the 5th solenoid valves 530,540,550 are respectively used to send the sample gas that the three, the 4th and the 5th sampled point obtains to institute
State sampling air pump 200 or exhaust pump 600；3rd solenoid valve 530, the 4th solenoid valve 540 and the 5th solenoid valve 550 receive
The control of control module 800, when warship cabin gas-detecting device is run, samples air pump 200 and exhaust pump 600 is in work
Make state；Pass through the selection of solenoid valve in bus-bar 500 so that sampling air pump 200 is adopted in a moment selection first to the 5th
Any one sampled point carries out gas concentration detection in sampling point；And pass through the switching of solenoid valve in bus-bar 500 so that sampling
Air pump 200 can be immediately switched to next sampled point after the gas concentration detection of a sampled point is completed, due to switching
Exhaust pump 600 is constantly in working status before sampled point, therefore the sampled point after switching can immediately enter the sampling after switching
Point gas concentration detection, without etc. air pump 200 to be sampled carry out the emptying of gas circuit.
In the warship cabin gas-detecting device specific embodiment of multi-point sampling as shown in Fig. 1 to 2, further include for gas
The gas circuit compensation device 300 of body detection device air flow compensation, the entrance of the gas circuit compensation device 300 and the sampling air pump
200 outlet connection, the outlet of the gas circuit compensation device 300 are connected with the entrance of the sampling air pump 200, and the gas circuit is mended
Repay device 300 to bypass the fraction for flowing through the sampling air pump 200 from the gas circuit compensation device 300, pass through the gas
The gas flow that road compensation device 300 bypasses adjusts so that the flow of sensor 100 is flowed out to from the sampling air pump 200
The traffic requirement of coincidence senser.The air-flow that the gas circuit compensation device 300 bypasses accounts for the hundred of sampling 200 pumping airflow of air pump
It can be 0% to 100% to divide than scope；That is gas circuit compensation device 300 can allow all gas backstreamings to be not passed through gas
Sensor, can also allow the gas of setting ratio to flow through gas sensor.Gas circuit compensation device 300 can be adjusted manually, also may be used
It is adjusted with receiving the control of control module.
As shown in Fig. 1 to 2, at least two gas sensors are provided with the gas detection sensor 100；The gas
Sensor can be oxygen sensor 110, carbon dioxide sensor 120, ozone sensor 130,840 and of carbon monoxide transducer
Appoint in this five kinds of sensors of VOC sensor 850 and select secondly to five；VOC sensor 850
Measurement of concetration scope be：0—300PPM（Ppm is the abbreviation of English part per million, and the implication of expression is volume hundred
Specific concentration very much,；The measurement of concetration scope of carbon monoxide transducer 840 is：0-200PPM percents by volume；Carbon dioxide passes
The measurement of concetration scope of sensor 120 is：0-5% percent by volume；The measurement of concetration scope of oxygen sensor 110 is：0—30%
Percent by volume；The measurement of concetration scope of ozone sensor 130 is：0—2PPM.Above-mentioned five gas sensors can be set at the same time
Put and measure, can also optionally wherein one or more measure, it is necessary to which the number amount and type for the sensor opened can be with
Flexibly set according to the demand of measurement, such setting can by or HMI module adjust manually, control module can also be received
Control carry out automatically identify and adjust switching.
That is, the gas of different sampled points is detected, it is possible to achieve no time gap switches over, and is
It is carried out at the same time the measurement of multiple gases concentration, it is of course possible to which a greater variety of gas concentrations are according to circumstances set, as long as sensor
In be provided with the measurement sensor of such gas.
Depressurized as shown in figure 3, being additionally provided with to filter for gas circuit between the sampling air pump 200 and the bus-bar 500
Filtering decompressor 220 and condensation-proof apparatus 230 for preventing condensation；The filtering decompressor 220 and described
Condensation-proof apparatus 230 is provided with a blowdown valve 240, is filtered out for discharge filtering decompressor 220 and condensation-proof apparatus 230
Dirt.
As shown in Figures 2 and 3, it is additionally provided between the sampling air pump 200 and the gas detection sensor 100 for flowing
Cross the regulating flow quantity meter 150 that the gas flow of the gas detection sensor 100 is adjusted.
As shown in figure 3, it is additionally provided between the sampling air pump 200 and the regulating flow quantity meter 150 for filtering out gas
Micro- mist separator 170 of micro- mist in stream；Micro- mist separator 170 is additionally provided with the second blowdown valve 140 and is used for separation
Dirt discharge out；It is additionally provided between the sampling air pump 200 and micro- mist separator 170 for preventing that gas circuit is inverse
First check valve 180 of stream.
As shown in Figures 2 and 3, the warship cabin gas-detecting device of the multi-point sampling further includes marked gas entrance 610
With calibration valve 620, marked gas entrance 610 accesses calibrating gas after demarcating valve 620 from calibrating gas source, by being arranged on
Calibrating gas entrance between first check valve 180 and micro- mist separator 170 enters follow-up measurement gas circuit into promoting the circulation of qi
Body detecting sensor 100 carries out the calibration of gas detection sensor 100；It is additionally provided with after the gas detection sensor 100
For preventing the second check valve 190 of gas circuit adverse current.
As shown in Figures 2 and 3, after second check valve 190 and exhaust pump, it is additionally provided with exhaust outlet 900；Exhaust outlet
900 receive the gas from exhaust pumped and the gas after sensor by sampling pump extraction；Before exhaust outlet 900
It is additionally provided with the unadjustable flowmeter 990 for monitoring gas circuit state.
As shown in Figure 1, the temperature and humidity control device 700 for sensor Temperature and Humidity Control is further included, Temperature and Humidity Control dress
Put and receive control including Temperature Humidity Sensor 710 and temperature-controlled fan 720, the Temperature Humidity Sensor 710 and temperature-controlled fan 720
Module 800 controls, and starts temperature-controlled fan adjusting gas detection sensor after the scope of setting detecting temperature and humidity
The temperature and humidity of 100 local environments.Temperature Humidity Sensor 710 is arranged on inside the gas detection sensor 100；Humiture
Sensor main function is the humiture situation of detection sensor gas chamber, it is ensured that the humidity range of sensor gas chamber is in Reasonable area
Between, if humidity is excessive, prompt to replace micro- mist separator consumptive material.
As shown in Figure 1, control module 800 can also more top HMI module（Human Machine Interface）Even
Connect, receive the control instruction sent from HMI module, each solenoid valve, sampling air pump, exhaust pump, five tunnels in control bus are very
To the gas sensor for being more multichannel, and each component such as Temperature Humidity Sensor, temperature-controlled fan, calibration solenoid valve.
The warship cabin gas-detecting device of multi-point sampling includes gas detection sensor, is detected for gas-detecting device
Sampling air pump that air flow power provides, the bus-bar for multi-point sampling switching control, carry for non-detection gas circuit air flow power
The exhaust pump of confession and the control module for the control of warship cabin gas-detecting device；Sampling air pump is arranged on gas detection sensing
In the gas circuit of device front end, sampling air flow is provided for gas detection sensor；At least two three-way magnetic valves are provided with bus-bar；
When the gas detection of the first sampled point is carried out, control module controls what the gas of the first sampled point was provided via sampling air pump
Power flows into gas detection sensor；The gas exhaust pump discharge of other sampled points at the same time.It is dense that multi-point sampling is switched into promoting the circulation of qi body
Degree detection when, there is no due to sampled point apart from gas detection sensor distance caused by detect latency issue, improve gas
Bulk concentration measurement efficiency so that the measurement between multiple sampled points can realize seamless switching.Pass through the corresponding more gas of multi-point sampling
The switching of paths realizes the gas sampling of multi-point sampling and data monitoring analysis integrates.Warship cabin gas-detecting device collection
In be fixedly mounted to cabin monitoring room, easy to the monitoring and control of the gas concentration to cabin.Have to the health of protection crewman
It is of great importance.
Switching between each sampled point or sampling channel, using time sharing sampling control technology according to sampled point（Or position）Pipe
Road is different apart from gas controlling device length, can calculate sampling channel ON time automatically, realize multi-channel gas time sharing sampling.
The application of the technology solves due to the difference of sample lines length and causes the displacement of gas circuit entrapped air volume insufficient well
Factor so that the sample gas for entering sampling gas chamber comes from sampled point, it is ensured that the real-time and accuracy of sample gas data.
The gas circuit set at the sampling air pump detected for gas concentration mends device so that the utility model gas circuit has certainly
The dynamic ability for adjusting compensation, ensure that the sample throughput and pressure stability into air inlet chamber, so as to ensure that gas sensor is adopted
Collect the Stability and veracity of data.
Simultaneously because the characteristic of gas sensor needs periodically to be demarcated, calibration markers throughput is smaller（≤1L/
min）, and the flow for sampling air pump is larger（≥6L/min）.To make to enter sample throughput, pressure stability and the calibration of sampling gas chamber
State consistency and use gas circuit automatic adjustment compensation technique, the technology using gas circuit bypass automatic principle of compensation, to sampling pump out
Mouth end gas circuit sample throughput and pressure automatically adjust, and the pressure of unnecessary sample gas and fluctuation is bypassed, and make to enter and adopt
Sample atmospheric pressure, stability of flow and the calibration state consistency of sample gas chamber, while the use of the technology, effectively alleviate secondary filter
The load of device, extends filter core service life, and stable pressure eliminates the impact to sensor.
A variety of different qualities gas sensor integrated technologies, proprietary gas chamber design, using public confluence gas chamber, each sensing
Device carries miniature gas cell, by sample gas in the buffering of public gas chamber, comes into full contact with sensor and sample gas, improves data acquisition
Accuracy.Modularized design is being used using public confluence gas chamber again, different types of gas sensor module is being integrated,
Different types of gas is monitored, realizes quick-change module gas sensor.
Filtering decompression and condensation-proof and micro- mist separator inside monitoring device use unpowered proprietary condensation-proof skill
Art, prevents the pollutant in gas circuit from blocking gas circuit, is also prevented from since the temperature difference produces condensation, can be by the moisture in gas piping
Quickly evaporate into outside pipe, and micro- mist in pipeline is separated so that gas maintains drying regime in pipeline, it is therefore prevented that containing cold
Interference of the sample gas of solidifying gas to sensor.
The working method for the specific embodiment that the utility model is related to：The system can be controlled by local/remote, can it is continuous/
Discontinuous working method, discontinuous, which works, can extend the service life of critical component, such as the service life of pump and solenoid valve.According to practical application
Sampled point number is selected, no sampled point is shielded and preserves the sampling point number of shielding and power on and need not reset next time, most
5 sampled points may be selected greatly.Control model is chosen, sets the parameter in operating mode interface, needs to press in local mode
System start and stop button, system are just started to work；When system is in inspection state, calibration valve is closed.When starting detection, quilt
The channel valve of inspection is in the gas chamber state that is oriented to, and other 4 valves are oriented to exhaust pump direction.During non-stop state, two pumps all exist
Full speed running, then two pumps are not run halted state, the wholly off work of packaging type solenoid valve.Calibration valve only has system switching
To just being opened during calibration interface, other 5 valve Close Alls at this time（All in guiding non-detection status）For calibration sensor.
After system starts every time, pre- take out 5 minutes is ready pipeline and the indoor gas emptying of gas for sampling, each in measurement range
Gas concentration alarm point can be set, and every road pipe range, alarm flow, airflow humidity alarm point can be set, the ON time root of each passage
The factually duct length on border and flow rate calculation gained, touring switching, reaches 5 kinds of gas componants for monitoring several passages.
Data acquisition：The gas of each monitoring point is extracted into gas chamber with pump, gas chamber is provided with the analysis for detecting this 5 kinds of gases
Unit, and Temperature Humidity Sensor.Gas analysis unit carries out the analog signal that sensor detects suitably through amplifying circuit
Amplification is converted into digital signal after hardware filtering by ADC again, then carries out the concentration value that software digital filter finally obtains detection.
So gas analysis unit can be independently of man-machine interface.
Data transfer：The man-machine interface of HMI module passes through each gas analysis unit of communications protocol poll, each gas analysis list
Humiture is transmitted to man-machine interface through IIC interfaces, can be facilitated by the way of bus by member response man-machine interface, Temperature Humidity Sensor
Increase and decrease in the future, replace gas analysis unit, strengthen system flexibility.
Data processing：Each gas concentration will be saved in every 10 seconds man-machine interfaces in SD card.Boundary can be inquired about in curve
Each gas concentration trend of each sampled point and daily mean are checked in face.When gas concentration has more than alarm setting value；Work as sampling
When flow is less than alarm flow；Reach nominal time or service life when the gas analysis unit working time, transducer calibration can be prompted
And replace；Reach scavenging period when the strainer working time, filter gauze cleaning can be prompted.System can all send sound-light alarm, protect at the same time
Deposit warning message and externally output extension signal.The each power-on and power-off of system have record.All records can be looked into.
System operatio interface：Touch-screen school screen interface：Make touch more accurate；Input cryptographic interface：Authority is set；Time school
Quasi- interface：Prover time；Interface is set：List the menu of other function interfaces；Self-test interface：Hardware check；Query interface：Look into
See record；Concentration trends interface：Check each sampled point, each gas concentration trend；Time started selection interface：It may be selected to check
Time point；Concentration daily mean interface：Check each sampled point, each gas concentration daily mean；Calibration interface：Calibration sensing
Device, makes detection more accurate；Shield interface：Sampling number is selected according to actual conditions；Alarm setting interface：It is divided into early warning and alarm
Two independent interfaces, can set alarm point；Gas circuit sets interface：Set each passage pipe range, pipeline humidity, flow alarm function
Value；Operating time interface：Sensor run time can be inquired about, replace number, strainer run time, wash number；System operation
Duration；Communications parameter sets interface：Set to host computer communication baud rate and the machine address.Communicate and be fixed as no parity check, 8
Position data bit, a stop position mode；Parameter setting interface：System check, setting screen protection time, sensor life-time, strainer are clear
Wash the time；Operating mode interface：The daily operating time of setting system, opening time, dwell time；Runnable interface：Display is whole
The work flow diagram of system.
Function：This product is pump suction type real-time gas detection device, it can be achieved that multichannel（5 tunnels but it is not limited to 5 tunnels）Gas
On-line checking, by gas sensor, while detects multiclass gas in sampling circuit（5 classes but it is not limited to 5 classes）Concentration, realize
Abnormity of gas concentration is alarmed.Also airway blockage, filter failure warning function.With operation, failure, alarm dry contact and can
The active alarm lamp component in local of choosing.
Wherein HMI module, which can have, shows and control dual-use function, is both HMI, and controller, while also has sound
The function of light alarm.It, which has, shows and controls dual-use function, not only has the function of traditional HMI, but also have peripheral control unit
Function.The integrated level of system so can be greatly improved, reduces the interconnection cable in whole system, improve system can
By property.
Control module is separated with the main control part on HMI module, it is possible to reduce because of interference caused by control module action
Interference to CPU and liquid crystal display, heightens the EMC performances of whole system.Each gas sensor is independent of one another, sensor
Damage does not interfere with the operation of other sensors.There is independent temperature sensors of high precision inside each gas sensor, use
Make the temperature-compensating of signal processing, avoid error caused by the difference of centralized temperature sensor sampling point position.Each gas
Body sensor can receive the control of control module, can also receive the control of HMI module, be directly electrically connected with HMI module, and two
Communication between person is by the way of 485 buses, compared with the voltage signal and current signal that traditional gas sensor uses,
The anti-interference of signal is improved, adds the flexibility of number of sensors increase and decrease.
Gas circuit compensation device can be a return valve；Sampling gas circuit passes through regulating flow quantity meter and return valve
Control enters the flow of sampling gas chamber, samples the adjustable extent of gas circuit in 0-1L/min, exhaust gas circuit metered flow 6.5L/
Min, sampling gas circuit are separated with exhaust gas circuit, you can are ensured the rapidity of exhaust gas circuit, improved the real-time of gas detection；Energy again
It is gentle to take into account the air-flow of sampling gas circuit, slows down the aggregation for sampling moisture and dust in gas chamber, improves sampling precision, extends gas and passes
The service life of sensor.The gas flow loop of regulating flow quantity meter and gas circuit compensation device, that is, return valve composition can make to enter gas chamber
Stability of flow in setting value, so can greatly reduce the error between the calibration value of gas sensor and measured value,
Improve the precision of measurement.Using packaging type solenoid valve, you can reduce the volume of whole system, and the gas circuit of interconnection can be reduced
Interface, improves the air-tightness of whole gas circuit.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
The equivalent structure or equivalent flow shift made using utility model specification and accompanying drawing content, is directly or indirectly used in it
His relevant technical field, is equally included in the patent within the scope of the utility model.
Claims (10)
- A kind of 1. warship cabin gas-detecting device of multi-point sampling, it is characterised in thatIncluding the gas detection sensor for different component gases Concentration Testings in warship cabin（100）, for gas detect The sampling air pump that device detection air flow power provides（200）, bus-bar for multi-point sampling switching control（500）, for non- Detect the exhaust pump that gas circuit air flow power provides（600）With the control module controlled for warship cabin gas-detecting device （800）；The sampling air pump（200）It is arranged on gas detection sensor（100）It is gas detection sensor in the gas circuit of front end （100）Sampling air flow is provided；The bus-bar（500）In be provided with least two three-way magnetic valves, i.e. the first solenoid valve（510）And second solenoid valve （520）；First solenoid valve（510）Entrance and first sampling gas circuit connection introduce from the first sampled point extract gas；First Solenoid valve（510）First outlet and the sampling air pump（200）Entrance connection, the first solenoid valve（510）Second outlet And exhaust pump（600）Connection；Second solenoid valve（520）Entrance and second sampling gas circuit connection introduce from the second sampled point extract gas；Second electricity Magnet valve（520）First outlet and the sampling air pump（200）Entrance connection, second solenoid valve（520）Second outlet and Exhaust pump（600）Connection；The control module（800）Control the first solenoid valve（510）Entrance and the first solenoid valve（510）First outlet connect Connect, the first solenoid valve（510）First outlet and the sampling air pump（200）Through connection；The sampling air pump（200）And institute State gas detection sensor（100）Through connection；The control module（800）Control second solenoid valve（520）Entrance and second solenoid valve（520）Second outlet connect Connect, the second solenoid valve（510）Second outlet and the exhaust pump（600）Through connection, the discharge for gas.
- 2. the warship cabin gas-detecting device of multi-point sampling according to claim 1, it is characterised in that：The bus-bar（500）In also set up three and be controlled by control module（800）Three-way magnetic valve, i.e. the 3rd solenoid valve （530）, the 4th solenoid valve（540）With the 5th solenoid valve（550）；3rd to the 5th solenoid valve（530、540、550）It is respectively used to The sample gas that three, the 4th and the 5th sampled point obtains is sent to the sampling air pump（200）Or exhaust pump（600）.
- 3. the warship cabin gas-detecting device of multi-point sampling according to claim 1, it is characterised in that：Further include the gas circuit compensation device for gas-detecting device air flow compensation（300）, the gas circuit compensation device（300）'s Entrance and the sampling air pump（200）Outlet connection, the gas circuit compensation device（300）Outlet and the sampling air pump （200）Entrance connection, the gas circuit compensation device（300）The sampling air pump will be flowed through（200）Fraction from described Gas circuit compensation device（300）Bypass, passes through the gas circuit compensation device（300）The gas flow of bypass adjusts so that from institute State sampling air pump（200）Flow out to sensor（100）Flow coincidence senser traffic requirement.
- 4. the warship cabin gas-detecting device of multi-point sampling according to claim 1, it is characterised in that：The gas detection sensor（100）Inside it is provided with least two gas sensors；The gas sensor can be oxygen sensor（110）, carbon dioxide sensor（120）, ozone sensor（130）、 Carbon monoxide transducer（840）And VOC sensor（850）Appoint in this five kinds of sensors and select secondly to five；VOC sensor（850）Measurement of concetration scope be：0—300PPM；Carbon monoxide transducer（840）Measurement of concetration scope be：0—200PPM；Carbon dioxide sensor（120）Measurement of concetration scope be：0—5%；Oxygen sensor（110）Measurement of concetration scope be：0—30%；Ozone sensor（130）Measurement of concetration scope be：0—2PPM.
- 5. the warship cabin gas-detecting device of multi-point sampling according to claim 1, it is characterised in that：The sampling air pump（200）With the bus-bar（500）Between be additionally provided with for gas circuit filtering decompression filtering decompression Device（220）With the condensation-proof apparatus for preventing condensation（230）；The filtering decompressor（220）With it is described anti-cold Solidifying device（230）It is provided with a blowdown valve（240）, decompressor is filtered for discharging（220）And condensation-proof apparatus（230）Filtering The dirt gone out.
- 6. the warship cabin gas-detecting device of multi-point sampling according to claim 1, it is characterised in that：The sampling air pump（200）With the gas detection sensor（100）Between be additionally provided with for flowing through gas inspection Survey sensor（100）Gas flow adjust regulating flow quantity meter（150）.
- 7. the warship cabin gas-detecting device of multi-point sampling according to claim 6, it is characterised in that：The sampling air pump（200）With the regulating flow quantity meter（150）Between be additionally provided with for filtering out micro- mist in air-flow Micro- mist separator（170）；Micro- mist separator（170）It is additionally provided with the second blowdown valve（140）For that will separate Dirt discharge；The sampling air pump（200）With micro- mist separator（170）Between be additionally provided with for preventing gas circuit adverse current One check valve（180）.
- 8. the warship cabin gas-detecting device of multi-point sampling according to claim 7, it is characterised in that：Further include marked gas entrance（610）With calibration valve（620）, the marked gas entrance（610）For from calibrating gas Calibrating gas is accessed in source；The marked gas entrance（610）With the calibration valve（620）One end through connection；The calibration Valve（620）Another terminate at first check valve（180）With micro- mist separator（170）Between, for by calibrating gas Pass through micro- mist separator（170）With regulating flow quantity meter（150）Access gas detection sensor（100）Gas detection is carried out to pass Sensor（100）Calibration；The gas detection sensor（100）It is additionally provided with afterwards for preventing that the second of gas circuit adverse current is unidirectional Valve（190）.
- 9. the warship cabin gas-detecting device of multi-point sampling according to claim 8, it is characterised in that：Second check valve（190）After exhaust pump, exhaust outlet is additionally provided with（900）；Exhaust outlet（900）Receive from exhaust The gas of pumped and the gas after sensor extracted by sampling pump；In exhaust outlet（900）Use is additionally provided with before In the unadjustable flowmeter of monitoring gas circuit state（990）.
- 10. the warship cabin gas-detecting device of multi-point sampling according to claim 1, it is characterised in that：Further include the temperature and humidity control device for sensor Temperature and Humidity Control（700）, temperature and humidity control device includes humiture Sensor（710）And temperature-controlled fan（720）；Temperature Humidity Sensor（710）It is arranged on the gas detection sensor（100）It is interior Portion；The Temperature Humidity Sensor（710）And temperature-controlled fan（720）Receive control module（800）Control, detect temperature and Humidity starts temperature-controlled fan after the scope of setting and adjusts gas detection sensor（100）The temperature and humidity of local environment.
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| CN201720545979.XU CN207263711U (en) | 2017-05-17 | 2017-05-17 | The warship cabin gas-detecting device of multi-point sampling |
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|---|---|---|---|
| CN201720545979.XU CN207263711U (en) | 2017-05-17 | 2017-05-17 | The warship cabin gas-detecting device of multi-point sampling |
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| CN108982765A (en) * | 2018-07-03 | 2018-12-11 | 深圳智人环保科技有限公司 | Minitype gas detection system and method with temperature and humidity pretreatment and benchmark zeroing |
| CN110161899A (en) * | 2019-04-24 | 2019-08-23 | 南京航空航天大学 | A kind of air pressure acquisition control device controlling more gas circuit free switchings |
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| CN114994161A (en) * | 2022-05-26 | 2022-09-02 | 广州禾信仪器股份有限公司 | Vehicle cabin gas detection device, method, control device and storage medium |
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