CN206805196U - A kind of gas remote data acquisition system - Google Patents
A kind of gas remote data acquisition system Download PDFInfo
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- CN206805196U CN206805196U CN201621422951.9U CN201621422951U CN206805196U CN 206805196 U CN206805196 U CN 206805196U CN 201621422951 U CN201621422951 U CN 201621422951U CN 206805196 U CN206805196 U CN 206805196U
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Abstract
The utility model provides a kind of gas remote data acquisition system.Gas remote data acquisition system provided by the utility model includes gas concentration detection apparatus, intelligent terminal and server, the gas concentration detection apparatus includes detection means body, at least one detector being connected with the detection means body, the gas concentration detection apparatus is communicated to connect with the intelligent terminal, and the intelligent terminal is connected with the server communication.Gas remote data acquisition system provided by the utility model is acquired and stored to gas concentration data, can both facilitate personnel's remote monitoring gas concentration data, monitoring personnel can be facilitated to check the historical data of different regions different time again；It is big that the workload of testing staff can not only be greatly reduced, avoid the waste of manpower and financial resources；The real-time of detection and analysis can also be improved, realizes data resource sharing, reduces testing cost.
Description
Technical field
Gas detection technology is the utility model is related to, more particularly to a kind of gas remote data acquisition system.
Background technology
Either many industry, job site (such as pit, underpass etc.) or public place, air pollution are related to
Face it is very wide, the species of pollution sources is very more, in order to be monitored to the air quality of entirety, it is necessary in many place detections
Gas concentration data, and need manually periodically to go to infield to be acquired, not only the workload of testing staff is big, Er Qiezao
It is also inadequate into the waste of manpower and financial resources, real-time.
Therefore, it is necessary to provide a kind of gas remote data acquisition system, gas concentration data are acquired and stored,
Both personnel's remote monitoring gas concentration data can have been facilitated, monitoring personnel can have been facilitated to check historical data again, realize that data resource is total to
Enjoy.
The content of the invention
For defect present in prior art, the purpose of this utility model is to provide a kind of gas remote data acquisition
System.
In order to achieve the above object, concrete technical scheme is as follows used by the utility model：
A kind of gas remote data acquisition system, including gas concentration detection apparatus, intelligent terminal and server, wherein,
The gas concentration detection apparatus includes detection means body, at least one is connected with the detection means body
Detector, the detector include shell, sensor and Signal-regulated kinase, the gas of the sensor are provided with the shell
Receiving terminal stretches out the shell；The detection means body also includes signal conversion module, micro treatment module, the first communication mould
Block, wherein, the sensor, Signal-regulated kinase, signal conversion module, micro treatment module, first communication module are sequentially connected；
The first communication module of the gas concentration detection apparatus communicates to connect with the intelligent terminal, the intelligent terminal
It is connected with the server communication.
Further, the sensor is used to export and the directly proportional electric signal of tested gas concentration；
The Signal-regulated kinase is used to be amplified the electric signal of sensor output；
The signal conversion module is used for the output signal of the Signal-regulated kinase is converted into data signal；
The micro treatment module is used for the data signal for receiving the signal conversion module output, and the numeral to receiving
Signal is analyzed, and obtains tested gas concentration testing result, and described tested gas concentration testing result is sent to institute
State first communication module；
The first communication module is used to receiving described tested gas concentration testing result, and by described tested gas
Concentration Testing result is sent to intelligent terminal；
The intelligent terminal is used to that described tested gas concentration testing result, and the tested gas that will be received will to be received
Concentration Testing result is uploaded to the server.
Further, the Signal-regulated kinase is signal amplifier, and the signal conversion module is a/d converter；It is described micro-
Processing module is single-chip microcomputer.
Further, the server is Cloud Server.
Further, the first communication module is wireless communication module, and the wireless communication module includes but is not limited to
One or more in bluetooth module, WiFi module or GPRS module.
In the embodiment of the utility model one, the sensor of the detector includes but is not limited to infrared sensor, urged
Change the one or more in combustion-type sensor, electrochemical transducer[sensor.
Further, in this embodiment, the sensor of the detector is electrochemical transducer[sensor.Its advantage
It is to be chemically reacted by electrolyte and tested gas, plays the effect of measurement testing result.The electrochemical transducer[sensor
Including but not limited to oxygen sensor, formaldehyde sensor, carbon dioxide sensor, hydrogen sulfide sensor, SO 2 sensor,
One or more in methane transducer, propane sensor.
In the embodiment of the utility model one, the detector also includes the Handheld Division of the pass structure of both ends insertion,
The Handheld Division is detachably connected with the shell.The Handheld Division is that the hollow pipe for having different tube diameters inserts the scalable of composition
The structure of formula, its advantage are to facilitate testing staff to need flexible different length according to scene.
In the embodiment of the utility model one, the detection means body also includes locating module, the locating module
For obtaining the current geographic position information in the gas concentration detection apparatus location.
Further, in this embodiment, the locating module is additionally operable to send the current geographic position information
To the micro treatment module；
Then the micro treatment module is additionally operable to that the current geographic position information will be received, according to the micro treatment module
The temporal information of system clock, by described tested gas concentration testing result and the current geographic position information and described
Temporal information synchronizes association；It is additionally operable to the dense of the current geographic position information after association, temporal information and tested gas
Degree testing result is sent to the first communication module；
Current geographic position information that the first communication module is used for after the association that will receive, temporal information and tested
The Concentration Testing result of gas is sent to the intelligent terminal；
The intelligent terminal is additionally operable to that the tested gas concentration testing result and current geographic position of the association will be received
Information, and the tested gas concentration testing result and current geographic position information of the association are sent to the server.
Further, in this embodiment, the locating module includes but is not limited to d GPS locating module, wifi positioning
At least one of module, RFID locating modules.
Further, in this embodiment, the detection means body also includes the first memory module, the microprocessor
Module is additionally operable to send the Concentration Testing result of the current geographic position information after association, temporal information and tested gas to institute
State the first memory module；
Current geographic position information that first memory module is used to storing after the association that receives, temporal information and by
Survey the Concentration Testing result of gas.
In the embodiment of the utility model one, the detection means body also includes resistance measuring module, wherein, it is described
Circuit connects successively for Signal-regulated kinase, resistance measuring module and micro treatment module；The resistance measuring module is used to obtain institute
The resistance value of Signal-regulated kinase is stated, and acquired resistance value is sent to the micro treatment module；
The micro treatment module prestores detector sequence table, and at least one detection is prestored in the detector sequence table
Header, the detection header may include sensor model number, the range of sensor, tested gaseous species, Signal-regulated kinase
Signal amplification factor, the one or more in the resistance value of Signal-regulated kinase；The micro treatment module is additionally operable to receive institute
The resistance value of the Signal-regulated kinase of resistance measuring module transmission is stated, and according to the resistance value received, reads detector
The detection header to match in sequence table with the resistance value received；Further to the data signal received and acquisition
Detection header analyzed, obtain tested gas concentration testing result.
It is understood that the test circuit of resistance measuring module of the present invention just uses those skilled in the art institute
Well known conventional circuit design scheme, for example, being used for the circuit for measuring resistance in universal meter.
In the embodiment of the utility model one, the detection means body also includes alarm module, the alarm module
It is connected with the micro treatment module, the micro treatment module is additionally operable to the default report by tested gas concentration testing result and gas
Alert concentration threshold is compared, when tested gas concentration testing result reaches warning concentration threshold value, generation controlling alarm instruction,
And controlling alarm instruction is sent to the alarm module；The alarm module is used to be referred to according to the controlling alarm received
Order sends alarm.
Further, in this embodiment, the alarm module is alarm lamp and/or buzzer and/or vibrating device.
In the embodiment of the utility model one, the detection means body also includes the first display module, micro- place
Reason module is additionally operable to send the tested gas concentration testing result to the first display module；First display module is used for
Show the tested gas concentration testing result that the micro treatment module is sent.
In the embodiment of the utility model one, the intelligent terminal includes second be connected with the first communication module
Communication module, the central processing module being connected with the second communication module, wherein, the first communication module is used to receive institute
The tested gas concentration testing result stated, and described tested gas concentration testing result is sent to the described second communication mould
Block；
The central processing module controls the second communication module to receive described tested gas concentration testing result
Upload onto the server.
A progressive ground, in this embodiment, the intelligent terminal also include being connected with the central processing module the
Two memory modules, the tested gas concentration testing result that the central processing module is additionally operable to receive are sent to described second
Memory module；Second memory module is used to store the tested gas concentration testing result received.
Further, in this embodiment, the intelligent terminal also includes the be connected with the central processing module
Two display modules, the tested gas concentration testing result that the central processing module is additionally operable to receive are sent to described second
Display module；Second display module is used to show received tested gas concentration testing result.
Further, in this embodiment, the second communication module is wireless communication module, the radio communication mold
The one or more that block includes but is not limited in WiFi module, ZIGBEE modules and GPRS module.
The beneficial effects of the utility model are as follows：
Gas remote data acquisition system provided by the utility model, gas concentration data are acquired and stored,
Both personnel's remote monitoring gas concentration data can have been facilitated, monitoring personnel can have been facilitated to check the historical data of different regions again, by gas
Bulk concentration data are sent to non-hazardous area from hazardous area, so that monitoring personnel carries out Macro or mass analysis；Detection can not only be greatly reduced
The workload of personnel is big, avoids the waste of manpower and financial resources, can also improve the real-time of detection and analysis, realizes that data resource is total to
Enjoy, reduce testing cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the gas remote data acquisition system 001 that the embodiment of the utility model one is provided；
Fig. 2 is the structural representation for the gas concentration detection apparatus 01 that the embodiment of the utility model one is provided；
Fig. 3 is the structural representation for the detection means body 110 that the embodiment of the utility model one is provided；
Fig. 4 is the structural representation for the detection means body 110 that another embodiment of the utility model is provided；
Fig. 5 is the structural representation for the detection means body 110 that the embodiment of the utility model one is provided.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figures 1 to 3, a kind of gas remote data acquisition system 001 that the utility model embodiment is provided, including
Gas concentration detection apparatus 01, intelligent terminal 02 and Cloud Server 03, wherein,
The gas concentration detection apparatus 01 includes detection means body 110, at least one and detection means body
The detector 120 of 110 connections, the detector 120 include shell 121, sensor 122 and signal are provided with the shell 121
Conditioning module 123, the gas receiving terminal of the sensor 122 stretch out the shell 121；The detection means body 110 also wraps
Signal conversion module 111, micro treatment module 112, first communication module 113 are included, wherein, the sensor 122, signal condition mould
Block 123, signal conversion module 111, micro treatment module 112, first communication module 113 are sequentially connected；
The first communication module 113 of the gas concentration detection apparatus 01 communicates to connect with the intelligent terminal 02, described
Intelligent terminal 02 communicates to connect with the Cloud Server 03.
Specifically, the sensor 122 is used to export and the directly proportional electric signal of tested gas concentration；
The Signal-regulated kinase 123 is used to be amplified the electric signal of sensor output；
The signal conversion module 111 is used for the output signal of the Signal-regulated kinase 123 is converted into digital letter
Number；
The micro treatment module 112 is used to receive the data signal that the signal conversion module 111 exports, and to receiving
Data signal analyzed, obtain tested gas concentration testing result, and described tested gas concentration testing result is sent out
Deliver to the first communication module 113；
The first communication module 113 is used to receive described tested gas concentration testing result, and described is tested
Gas concentration testing result is sent to intelligent terminal 02；
The intelligent terminal 02 is used to that described tested gas concentration testing result, and the tested gas that will be received will to be received
Bulk concentration testing result is uploaded to the Cloud Server 03.
Specifically, the Signal-regulated kinase 123 is signal amplifier, and the signal conversion module 111 is a/d converter；
The micro treatment module 112 is single-chip microcomputer.
Specifically, the first communication module 113 is wireless communication module, and the wireless communication module includes but is not limited to
One or more in bluetooth module, WiFi module, ZIGBEE modules and GPRS module.
In the specific embodiment of the utility model one, as shown in Fig. 2 the sensor 122 of the detector 1 includes but unlimited
One or more in infrared sensor, catalytic combustion type sensor, electrochemical transducer[sensor.
Further, in this specific embodiment, the sensor 122 of the detector 120 is electrochemical transducer[sensor.Its
Beneficial effect is chemically reacted by electrolyte and tested gas, plays the effect of measurement testing result.The electrochemistry
Formula sensor includes but is not limited to oxygen sensor, formaldehyde sensor, carbon dioxide sensor, hydrogen sulfide sensor, titanium dioxide
One or more in sulfer sensor, methane transducer, propane sensor.
In the specific embodiment of the utility model one, as shown in Fig. 2 the detector 1 also includes the pass of both ends insertion
The Handheld Division 124 of structure, the Handheld Division 124 are detachably connected with the shell 121.The Handheld Division 124 is that have different pipes
The structure for the extension type that the hollow pipe inserting in footpath is formed, its advantage are to facilitate testing staff to need to stretch according to scene
Different length.
In the specific embodiment of the utility model one, as shown in Fig. 1,4, the detection means body 110 also includes positioning
Module 114, the positioning mould 114 are used for the current geographic position information for obtaining the location of gas concentration detection apparatus 01.
Specifically, in this specific embodiment, the locating module 114 is additionally operable to send out the current geographic position information
Deliver to the micro treatment module 112；
Then the micro treatment module 112 is additionally operable to that the current geographic position information will be received, according to the microprocessor mould
The temporal information of the system clock of block 112, by described tested gas concentration testing result and the current geographic position information
And the temporal information synchronizes association；It is additionally operable to the current geographic position information after association, temporal information and is tested
The Concentration Testing result of gas is sent to the first communication module 113；
The first communication module 113 is used to send the tested gas concentration testing result received to the intelligence eventually
End 02；The tested gas concentration testing result that the intelligent terminal 02 is additionally operable to receive is sent to the Cloud Server 03.
Specifically, in this specific embodiment, the locating module 114 include d GPS locating module, wifi locating modules,
At least one of RFID locating modules.
Specifically, in this specific embodiment, the detection means body 110 also includes the first memory module 115, described
Micro treatment module 112 is additionally operable to the Concentration Testing knot of the current geographic position information after association, temporal information and tested gas
Fruit is sent to first memory module 115；
First memory module 115 is for the current geographic position information after storing the association received, temporal information
And the Concentration Testing result of tested gas.
In the specific embodiment of the utility model one, as shown in Figure 2,4, the detection means body 2 also includes resistance and surveyed
Module 116 is measured, wherein, circuit connects successively for the Signal-regulated kinase 123, resistance measuring module 116 and micro treatment module 112
Connect；The resistance measuring module 23 is used for the resistance value for obtaining the Signal-regulated kinase 123, and acquired resistance value is sent out
Deliver to the micro treatment module 112；
The micro treatment module 112 prestores detector sequence table, and at least one is prestored in the detector sequence table
Header is detected, the detection header may include sensor model number, the range of sensor, tested gaseous species, signal condition
One or more in the signal amplification factor of module, the resistance value of Signal-regulated kinase；The micro treatment module 112 is additionally operable to
The resistance value for the Signal-regulated kinase 123 that the resistance measuring module 116 is sent is received, and according to the resistance received
Value, read the detection header to match in detector sequence table with the resistance value received；Further to receiving
Data signal and the detection header obtained are analyzed, and obtain tested gas concentration testing result.
It is understood that the test circuit of resistance measuring module 116 of the present invention just uses people in the art
Conventional circuit design scheme known to member, for example, being used for the circuit for measuring resistance in universal meter.
In the concrete application scene of the utility model one, the gas sensor is checked gas with fixed frequency,
And its concentration value is changed into electric signal, pass sequentially through Signal-regulated kinase 123 (can be signal amplifier), signal conversion module
After 111 (can be a/d converter) entered amplification, analog-to-digital conversion to electric signal, being become by original analog quantity can be by microprocessor mould
The data signal that block 112 (i.e. microprocessor) is directly handled, meanwhile, the also detectable signal of resistance measuring module 116 is adjusted
The resistance value of module 21 is managed, micro treatment module 112 obtains detection header, micro treatment module 112 according to the resistance value measured
The data signal of input is converted into gas concentration value according to detection header, and by testing result on display module 118 it is directly perceived
Ground is shown；Sensor 122 and Signal-regulated kinase 123 are integrated detector by the utility model, both facilitated user disassemble and
The detector of damage is changed, user is also convenient for according to being actually needed, selects the detector of gas with various type different model, use
Scope is wide, and testing cost is low；In addition, gas concentration detection apparatus 01 can also automatic identification detection header, remember without user
The information of each detector.
In the specific embodiment of the utility model one, as shown in Figure 2,4, the detection means body 2 also includes alarm mould
Block 117, the alarm module 117 are connected with the micro treatment module 112, and the micro treatment module 112 is additionally operable to tested gas
Bulk concentration testing result is compared with the preset alarm concentration threshold of gas, when tested gas concentration testing result reaches alarm
During concentration threshold, generation controlling alarm instruction, and controlling alarm instruction is sent to the alarm module 117；The report
Alert module 117 is used to send alarm according to the controlling alarm instruction received.
Specifically, in this specific embodiment, the alarm module 117 is alarm lamp and/or buzzer and/or vibration dress
Put.
In the specific embodiment of the utility model one, as shown in Figure 2,4, it is aobvious that the detection means body 2 also includes first
Show module 118, the micro treatment module 112 is additionally operable to send the tested gas concentration testing result to the first display module
118；First display module 118 is used for the tested gas concentration testing result for showing that the micro treatment module 112 is sent.
In the specific embodiment of the utility model one, as shown in figure 5, the intelligent terminal 03 includes communicating with described first
The second communication module 210 of the connection of module 113, the central processing module 220 being connected with the second communication module, wherein, institute
State first communication module 113 to be used to receive described tested gas concentration testing result, and described tested gas concentration is examined
Result is surveyed to send to the second communication module 210；
The second communication module 210 is used to receive described tested gas concentration testing result；
The central processing module 220 is used to control the tested gas concentration that the second communication module 210 will receive
Testing result is uploaded to Cloud Server 03.
Specifically, in this specific embodiment, the intelligent terminal 03 also includes being connected with the central processing module 220
The second display module 230, the central processing module 220 be additionally operable to by the tested gas concentration testing result received send
To second display module 230；Second display module 230 is used to show received tested gas concentration detection knot
Fruit.
Specifically, in this specific embodiment, the intelligent terminal 03 also includes being connected with the central processing module 220
The second memory module 240, the central processing module 220 be additionally operable to by the tested gas concentration testing result received send
To second memory module 240；Second memory module 240 is used to store the tested gas concentration detection knot received
Fruit.
Specifically, in this specific embodiment, the second communication module 210 is wireless communication module, the channel radio
The one or more that letter module includes but is not limited in WiFi module, ZIGBEE modules and GPRS module.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, art technology
Personnel can carry out various changes and amendments in the range of without departing from the utility model technological thought completely.This practicality
New technical scope is not limited to the content on specification, it is necessary to determines its technology according to Claims scope
Property scope.
Claims (8)
1. a kind of gas remote data acquisition system, it is characterised in that it is dense that the gas remote data acquisition system includes gas
Detection means, intelligent terminal and server are spent, wherein,
The gas concentration detection apparatus includes detection means body, at least one detection being connected with the detection means body
Head, the detector include shell, and sensor and Signal-regulated kinase are provided with the shell, and the gas of the sensor receives
The shell is stretched out at end；The detection means body also includes signal conversion module, micro treatment module, first communication module, its
In, the sensor, Signal-regulated kinase, signal conversion module, micro treatment module, first communication module are sequentially connected；It is described
The first communication module of gas concentration detection apparatus communicates to connect with the intelligent terminal, the intelligent terminal and the server
Communication connection；
The sensor is used to export and the directly proportional electric signal of tested gas concentration；
The Signal-regulated kinase is used to be amplified the electric signal of sensor output；
The signal conversion module is used for the output signal of the Signal-regulated kinase is converted into data signal；
The micro treatment module is used for the data signal for receiving the signal conversion module output, and the data signal to receiving
Analyzed, obtain tested gas concentration testing result, and described tested gas concentration testing result is sent to described the
One communication module；
The first communication module is used to receiving described tested gas concentration testing result, and by described tested gas concentration
Testing result is sent to intelligent terminal；
The intelligent terminal is used to receive described tested gas concentration testing result, and the tested gas concentration received is examined
Survey result and be uploaded to the server；
The intelligent terminal includes the second communication module being connected with the first communication module and the second communication module connects
The central processing module connect, wherein, the first communication module is used to receive described tested gas concentration testing result, and will
Described tested gas concentration testing result is sent to the second communication module；
The second communication module is used to receive described tested gas concentration testing result；
The central processing module is used to control the second communication module to detect the described tested gas concentration received
As a result it is uploaded to the server.
2. gas remote data acquisition system as claimed in claim 1, it is characterised in that the sensor of the detector includes
One or more in infrared sensor, catalytic combustion type sensor, electrochemical transducer[sensor.
3. gas remote data acquisition system as claimed in claim 1, it is characterised in that the detection means body also includes
Locating module, the locating module are used for the current geographic position information for obtaining the gas concentration detection apparatus location.
4. gas remote data acquisition system as claimed in claim 3, it is characterised in that the locating module and micro- place
Module connection is managed, the locating module is additionally operable to send the current geographic position information to the micro treatment module；
Then the micro treatment module is additionally operable to that the current geographic position information will be received, according to the system of the micro treatment module
The temporal information of clock, by described tested gas concentration testing result and the current geographic position information and the time
Information synchronizes association；It is additionally operable to the concentration inspection of the current geographic position information after association, temporal information and tested gas
Result is surveyed to send to the first communication module；
The first communication module is used for the current geographic position information after the association, temporal information and tested gas
Concentration Testing result is sent to the intelligent terminal；
The intelligent terminal is additionally operable to the dense of the current geographic position information after the association, temporal information and tested gas
Degree testing result is uploaded to the server.
5. gas remote data acquisition system as claimed in claim 3, it is characterised in that the locating module is determined including GPS
One or more in position module, wifi locating modules, RFID locating modules.
6. gas remote data acquisition system as claimed in claim 1, it is characterised in that the detection means body also includes
The first display module being connected with the micro treatment module, the micro treatment module are additionally operable to detect the tested gas concentration
As a result send to the first display module；First display module is used to show that the tested gas that the micro treatment module is sent is dense
Spend testing result.
7. gas remote data acquisition system as claimed in claim 1, it is characterised in that the intelligent terminal also includes and institute
The second memory module of central processing module connection is stated, the central processing module is additionally operable to the tested gas concentration inspection received
Result is surveyed to send to second memory module；Second memory module is used to store the tested gas concentration detection received
As a result.
8. gas remote data acquisition system as claimed in claim 1, it is characterised in that the intelligent terminal also includes and institute
The second display module of central processing module connection is stated, the central processing module is additionally operable to the tested gas concentration that will be received
Testing result is sent to second display module；Second display module is used to show received tested gas concentration
Testing result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621422951.9U CN206805196U (en) | 2016-12-22 | 2016-12-22 | A kind of gas remote data acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621422951.9U CN206805196U (en) | 2016-12-22 | 2016-12-22 | A kind of gas remote data acquisition system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709965A (en) * | 2018-08-22 | 2018-10-26 | 辽宁卓异装备制造股份有限公司 | More gas monitor apparatus and system |
| CN113358819A (en) * | 2021-05-14 | 2021-09-07 | 苏州珀斯方得电子有限公司 | Gas concentration monitoring device and data acquisition method thereof |
-
2016
- 2016-12-22 CN CN201621422951.9U patent/CN206805196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709965A (en) * | 2018-08-22 | 2018-10-26 | 辽宁卓异装备制造股份有限公司 | More gas monitor apparatus and system |
| CN113358819A (en) * | 2021-05-14 | 2021-09-07 | 苏州珀斯方得电子有限公司 | Gas concentration monitoring device and data acquisition method thereof |
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