CN107991437A - Suitable for the detection of limited-space environment gas and the device to communicate - Google Patents
Suitable for the detection of limited-space environment gas and the device to communicate Download PDFInfo
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- CN107991437A CN107991437A CN201711178364.9A CN201711178364A CN107991437A CN 107991437 A CN107991437 A CN 107991437A CN 201711178364 A CN201711178364 A CN 201711178364A CN 107991437 A CN107991437 A CN 107991437A
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 72
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 47
- 239000000523 sample Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- MLLUMKXNINTJAC-UHFFFAOYSA-N 1,3-dioxoisoindole-4-sulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC2=C1C(=O)NC2=O MLLUMKXNINTJAC-UHFFFAOYSA-N 0.000 description 1
- 206010003497 Asphyxia Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Emergency Alarm Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of suitable for the detection of limited-space environment gas and the device to communicate, detection unit (A), control unit (B), communication unit (C) are linked in sequence；Detection unit (A) is formed by camera module (1) and gas sensor module (2) are in parallel；In control unit (B), connect after SPI communication module (3), AD conversion module (4), 485 communication modules (5) three's parallel connection with the input terminal of microprocessor circuit (6), UART turns AP interface circuits (7) and UART turns to connect with the output terminal of microprocessor circuit (6) after both GPRS interface circuits (8) are in parallel；Communication unit (C) is formed by AP modules (9) and GPRS module (10) are in parallel；Power supply unit (D) is made of multipath isolated power circuit (11).The present invention has the advantages that simple in structure, maintenance is simple, cost is low and has versatility and versatility and data communication function, two kinds of communications are provided, it can be achieved closely to select to use according to specific requirements with remote wireless data transmission, user.
Description
Technical field
The invention belongs to electric detective technology field, and in particular to it is a kind of be directed to limited-space environment in gas safety into
Row detection and the device to communicate, not only realize and the environment in the confined space are detected, while by way of wireless communication
Give data signal transmission to control display terminal.
Background technology
All the time, people are weaker for the awareness of safety of confined space operation, cause confined space job safety
Accident occurs again and again, for this reason, national security supervision general bureau ensures to enter limited to strengthen the safety management to confined space operation
The safety of space personnel and health, prevention and the generation of the work safety accident such as control poisoning, asphyxia, fire, explosion, are formulated
The procedure system of " first divulge information, then detect, rear operation ".
According to country related regulation, standard, for confined space Work places, undetermined oxygen content, toxic gas, can
Before the concentration of combustion property gas, personnel are prohibited from entering the place.To meet the safety detection demand of confined space Work places, research and development
Current urgent demand is become with technical solution suitable for the detecting system of the confined space.
In order to detect the presence of some gases to threaten in human habitat to people's health and concentration, in
State patent ZL201410234613.1 has invented " gas-detecting device and system and gas detection method ", which is
Detect and design for infrared light supply gas concentration, the component of the mixed gas comprising multiple gases component and dense can be detected
Degree.But the gas-detecting device and system do not possess realization closely with remote wireless data transmission.
In order to adapt to the demand to toxic and harmful gas detection, Chinese patent ZL201510266048.1 discloses a kind of gas
The spherical gas detection probe structure of installation in body detection device and special spiral gas chamber, it is to improve inspection for dedicated test probe
Survey precision and design.It is insufficient contact that the invention solves detection probe and under test gas existing for existing detection probe structure
The shortcomings that.
But on the whole, above detecting system and device are designed according to specificity, and function is single, the scope of application
It is small, and the requirement of data communication is not accounted for, especially communication mode is restricted in the confined space.Increase the confined space
The versatility and versatility and communication function of detecting system, become the problem of anxious to be resolved in the prior art.
The content of the invention
The purpose of the present invention, aiming at function existing in the prior art is single, the scope of application is small, and in the confined space
The defects of communication mode is restricted, and offer one kind is simple in structure, safeguards that simple, cost is low and has versatility and versatility
And the device for being suitable for limited-space environment gas and detecting and communicating of data communication function.
To realize the above-mentioned purpose of the present invention, the present invention is suitable for the detection of limited-space environment gas and is used with the device to communicate
Following technical scheme：
The present invention be suitable for limited-space environment gas detect with the device that communicates, including detection unit A, control unit B, lead to
Believe unit C, power supply unit D, detection unit A, control unit B, communication unit C are linked in sequence.The detection unit A is by imaging
Head module and gas sensor wired in parallel are formed.The control unit B is led to by SPI communication module, AD conversion module, 485
Letter module, microprocessor circuit, UART turn AP interface circuits, UART turns the combination of GPRS interface circuits and forms, SPI communication module,
Connect after AD conversion module, 485 communication module three's parallel connections with the input terminal of microprocessor circuit, UART turn AP interface circuits and
UART connects after turning the parallel connection of both GPRS interface circuits with the output terminal of microprocessor circuit；The communication unit C is by AP moulds
Block and GPRS module composition in parallel；The power supply unit D is made of multipath isolated power circuit.
Multipath isolated power circuit respectively with camera module, gas sensor module, SPI communication module, AD conversion mould
Block, 485 communication modules, microprocessor circuit, UART turn AP interface circuits, UART turns GPRS interface circuits, AP modules and GPRS
One end connection of module, work capacity is obtained with this.
The camera module and the output terminal of gas sensor module and SPI communication module, AD conversion module and 485
The input terminal connection of communication module.
The AP modules and the input terminal of GPRS module turn AP module interface circuits with UART and UART turns GPRS interfaces
The output terminal connection of circuit.
It is the camera module, gas sensor module, SPI communication module, AD conversion module, 485 communication modules, micro-
Processor circuit, UART turn AP interface circuits, UART turns GPRS interface circuits, AP modules, GPRS module, multipath isolated power electricity
Road is installed in instrument box, and power switch is housed on instrument babinet.
The instrument box generally uses the explosion-proof casket of aluminium alloy.
In the detection unit A, the input terminal of the output terminal connection control unit B of camera module, camera module
The picture signal collected is compressed and is converted into SPI communication module or 485 communication modules that digital signal sends rear class to；
The input terminal of the output termination control unit B of gas sensor module, gas sensor module turn the physical signal collected
Change analog electrical signal into or digital signal level sends the AD conversion module of rear class, SPI communication module or 485 communication modules to；
Detection unit A can not only detect the concentration of multiple gases, and the ambient conditions of surrounding can also be observed by camera.
In the control unit B, the output terminal of the input termination detection unit A of SPI communication module, which can be by number
Word signal is transmitted in microprocessor circuit by synchronous serial bus to be handled；The input termination detection of AD conversion module is single
The analog electrical signal that gas sensor module exports is converted into digital signal by the output terminal of first A, the module, and is transmitted to micro- place
Handled in reason device circuit；The output terminal of the input terminal connecting detection unit A of 485 communication modules, the module can lead to digital signal
Cross 485 communication bus and be transmitted in microprocessor circuit and handled；The input termination SPI communication module of microprocessor circuit,
The output terminal of AD conversion module and 485 communication modules, microprocessor circuit are docked after received data message is handled and exported
Corresponding valid data signal, and operation is controlled to each reception, sending module；UART turns the input termination of AP interface circuits
The output terminal of microprocessor circuit, the circuit realize the data transport functions of microprocessor and AP modules；UART turns GPRS interfaces
The output terminal of the input termination microprocessor circuit of circuit, the circuit realize microprocessor and the data transmission work(of GPRS module
Energy；Include multi-signal modular converter in control unit B, compatible multiple sensors module can be matched, have preferably general
Property.
In the communication unit C, the output terminal of the input termination control unit B of AP modules, AP modules have route work(
Can, data message can be transmitted to control display terminal by way of WiFi；The input termination control unit B of GPRS module
Output terminal, data message can be transmitted to control display terminal by GPRS module by mobile network；Due in communication unit C
Include AP modules and GPRS module, it is possible to achieve WiFi communications and remote mobile network closely is wireless
Communication mode, user can select to use according to specific requirements.
In the power supply unit D, multipath isolated power circuit and detection unit A, control unit B and communication unit C's
One end is connected, it provides work capacity for all modular circuits, is isolated by multichannel and powered, each modular power source is not done mutually
Disturb, circuit system working stability.
The present invention is suitable for device of the limit space environment gas detection with communicating after the above technical solution is adopted, has following product
Pole effect：
(1) present invention uses hardware circuit module structure.The present invention is not only in detection unit A, control unit B, communication
Special module is selected as far as possible in unit C and tetra- parts of power supply unit D composition, and this four part also each forms four modules.
Circuit modular integrality performance of the structure is good, establishes one's own system, and can conveniently combine.
(2) apparatus of the present invention have versatility and versatility.Apparatus of the present invention can not only detect gas in the confined space
Concentration, can also observe the ambient conditions of surrounding by image/video, while use multi-signal modular converter, can match simultaneous
Hold more sensor assemblies.
(3) apparatus of the present invention have more flexible data communication mode.Apparatus of the present invention provide two kinds of communications,
It can be achieved closely to select to use according to specific requirements with remote wireless data transmission, user.
(4) apparatus of the present invention have higher cost performance.Apparatus of the present invention are safeguarded simply, easy to use, cheap, are made
Low with cost, sexual valence is higher.
Brief description of the drawings
Fig. 1 is suitable for the detection of limited-space environment gas for the present invention and contacts figure with the system structure of the device to communicate；
Lead to when Fig. 2 is used for the detection of underground piping gas concentration, video image observation for the embodiment of the present invention 1 with WiFi data
The structural nexus schematic diagram of letter；
It is former that Fig. 3 embodiment of the present invention 2 is used for the structural nexus that factory's accumulator tank gas concentration detection communicates with GPRS data
Reason figure.
Reference numeral is：A-detection unit；B-control unit；C-communication unit；D-power supply unit；1-camera
Module；2-gas sensor module；3-SPI communication module；4-AD conversion module；5-485 communication modules；6-microprocessor
Device circuit；7-UART turns AP interface circuits；8-UART turns GPRS interface circuits；9-AP modules；10-GPRS module；11—
Multipath isolated power circuit.
Embodiment
To further describe the present invention, limited-space environment gas is suitable for the present invention with reference to the accompanying drawings and examples and is examined
Survey is described further with the device to communicate.
The present invention as shown in Figure 1 is suitable for the detection of limited-space environment gas and contacts figure with the system structure of the device to communicate
Find out, it is by detection unit A that the present invention, which is suitable for limited-space environment gas to detect with the device to communicate, has control unit B, communication
Unit C combines composition with power supply unit D, and wherein detection unit A, control unit B, communication unit C are linked in sequence.The detection
Unit A is made of camera module 1 and 2 parallel connection of gas sensor module.The control unit B is by SPI communication module 3, AD
Modular converter 4,485 communication modules 5, microprocessor circuit 6, UART turn AP interface circuits 7, UART turns 8 groups of GPRS interface circuits
Close and form, output terminal and microprocessor circuit 6 after SPI communication module 3, AD conversion module 4,485 communication module, 5 three's parallel connection
Input terminal series connection, UART turns AP interface circuits 7 and UART turns input terminal and microprocessor after the parallel connection of both GPRS interface circuits 8
The output terminal series connection of device circuit 6.The communication unit C is made of AP modules 9 and 10 parallel connection of GPRS module.The power supply list
First D is made of multipath isolated power circuit 11.It is defeated after the parallel connection of both camera modules 1 and gas sensor module 2
Outlet is connected with the input terminal after SPI communication module 3, AD conversion module 4,485 communication module, 5 three's parallel connection, the AP moulds
Input terminal after 10 parallel connection of block 9 and GPRS module and UART turn AP module interface circuits 7 and UART to turn GPRS interface circuits 8 in parallel
Output terminal connection afterwards.Multipath isolated power circuit 11 respectively with camera module 1, gas sensor module 2, SPI communication mould
Block 3, AD conversion module 4,485 communication modules 5, microprocessor circuit 6, UART turn AP interface circuits 7, UART turns GPRS interfaces electricity
Road 8, AP modules 9 are connected with one end of GPRS module 10.
In practical application, camera module 1, gas sensor module 2, SPI communication module 3, AD conversion module 4,485 are logical
Believe module 5, microprocessor circuit 6, UART turns AP interface circuits 7, UART turns GPRS interface circuits 8, AP modules 9, GPRS module
10th, the circuit system that multipath isolated power circuit 11 forms is integrated on one piece of circuit board, and in instrument box, in instrument
Case surface is equipped with power switch.The instrument box uses the explosion-proof casket of aluminium alloy.
Embodiment 1：The present embodiment is the safety detection that apparatus of the present invention are applied to factory's underground piping operation, wireless to pass
Defeated distance is generally under 20 meters or so, spacious environment up to 50 meters.
Before staff enters underground piping, first it is put into apparatus of the present invention and is detected, specific workflow presses Fig. 2 institutes
The embodiment of the present invention 1 shown is used for the structure to communicate when the detection of underground piping gas concentration, video image observation with WiFi data
Schematic diagram is contacted to carry out.When device is placed into underground piping, the signal collected is passed through SPI communication module 3 by camera module 1
It is transmitted in microprocessor circuit 6, the gas concentration numerical information detected is passed through AD conversion module by gas sensor module 2
4 are transmitted in microprocessor circuit 6, at the same microprocessor circuit 6 carry out data processing after by effective gas concentration data with
Video image information turns AP interface circuits 7 by UAR T and is transmitted in AP modules 9, finally passes through WiFi communication side by AP modules 9
Formula is transferred data on mobile phone or tablet on ground in staff's hand and shown.The multichannel isolation electricity in circuit system
Source circuit 11 for gas sensor module 1, camera module 2, SPI communication module 3, AD conversion module 4, microprocessor circuit 6,
UART turns AP interface circuits 7 and AP modules 9 provide work capacity.
By using apparatus of the present invention, before underground piping operation is implemented, to meet safety regulation system requirement, work people
Member can first pass through detection device and detect ambient conditions in underground piping in real time, realize safety work.
Embodiment 2：The present embodiment is the safety detection that apparatus of the present invention are applied to factory's accumulator tank.
When apparatus of the present invention are applied to the real-time detection of factory's accumulator tank, detection device is fixed in certain accumulator tank,
Staff is in work indoor observation detection data and carries out control operation, and specific workflow is according to the present invention shown in Fig. 3
Embodiment 2 is used for the structural nexus schematic diagram that factory's accumulator tank gas concentration detection communicates with GPRS data and carries out.By the present invention
Device device is fixed in accumulator tank, and gas detection module 2 passes the gas concentration information detected by 485 communication modules 5
It is sent in microprocessor circuit 6, while microprocessor circuit 6 carries out data processing and valid data signal is turned GPRS by UART
Interface circuit 8 is transmitted in GPRS module 10, and data-signal finally is transmitted to work by mobile network by GPRS module 10
Shown in indoor PC terminals.In circuit system, multipath isolated power circuit 11 communicates for gas detection module 2,485
Module 5, microprocessor circuit 6, UART turn GPRS interface circuits 8 and GPRS module 10 provides work capacity.
By using apparatus of the present invention, the gas that staff can be in operating room in real time remote observation accumulator tank is dense
Degree situation, and carry out corresponding control operation.
Claims (6)
1. a kind of device for detecting and communicating suitable for limited-space environment gas, including detection unit (A) and power supply unit (D),
It is characterized in that：It is additionally provided with control unit (B), communication unit (C), detection unit (A), control unit (B), communication unit
(C) it is linked in sequence；The detection unit (A) is formed by camera module (1) and gas sensor module (2) are in parallel；It is described
Control unit (B) by SPI communication module (3), AD conversion module (4), 485 communication modules (5), microprocessor circuit (6),
UART turns AP interface circuits (7), UART turns GPRS interface circuits (8) combination and forms, SPI communication module (3), AD conversion module
(4), connect after 485 communication modules (5) three's parallel connection with the input terminal of microprocessor circuit (6), UART turns AP interface circuits (7)
With UART turn GPRS interface circuits (8) the two it is in parallel after connect with the output terminal of microprocessor circuit (6)；The communication unit
(C) formed by AP modules (9) and GPRS module (10) are in parallel；The power supply unit (D) is by multipath isolated power circuit (11)
Composition.
2. as claimed in claim 1 suitable for the detection of limited-space environment gas and the device to communicate, it is characterised in that：Multichannel every
From power circuit (11) respectively with camera module (1), gas sensor module (2), SPI communication module (3), AD conversion module
(4), 485 communication modules (5), microprocessor circuit (6), UART turn AP interface circuits (7), UART turns GPRS interface circuits (8),
AP modules (9) are connected with one end of GPRS module (10).
3. as claimed in claim 1 or 2 suitable for the detection of limited-space environment gas and the device to communicate, it is characterised in that：Institute
The camera module (1) and the output terminal of gas sensor module (2) stated and SPI communication module (3), AD conversion module (4) and
The input terminal connection of 485 communication modules (5).
4. as claimed in claim 3 suitable for the detection of limited-space environment gas and the device to communicate, it is characterised in that：Described
The input terminal of AP modules (9) and GPRS module (10) turns AP module interface circuits (7) with UART and UART turns GPRS interface circuits
(8) output terminal connection.
5. as claimed in claim 4 suitable for the detection of limited-space environment gas and the device to communicate, it is characterised in that：Described
Camera module (1), gas sensor module (2), SPI communication module (3), AD conversion module (4), 485 communication modules (5),
Microprocessor circuit (6), UART turn AP interface circuits (7), UART turns GPRS interface circuits (8), AP modules (9), GPRS module
(10), the circuit system of multipath isolated power circuit (11) composition is integrated on one piece of circuit board, and in instrument box,
Instrument box surface is equipped with power switch.
6. as claimed in claim 5 suitable for the detection of limited-space environment gas and the device to communicate, it is characterised in that：Described
Instrument box uses the explosion-proof casket of aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178364.9A CN107991437A (en) | 2017-11-23 | 2017-11-23 | Suitable for the detection of limited-space environment gas and the device to communicate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178364.9A CN107991437A (en) | 2017-11-23 | 2017-11-23 | Suitable for the detection of limited-space environment gas and the device to communicate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107991437A true CN107991437A (en) | 2018-05-04 |
Family
ID=62032726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711178364.9A Pending CN107991437A (en) | 2017-11-23 | 2017-11-23 | Suitable for the detection of limited-space environment gas and the device to communicate |
Country Status (1)
| Country | Link |
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| CN (1) | CN107991437A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444600A (en) * | 2019-08-29 | 2021-03-05 | 研能科技股份有限公司 | Monitoring and gas detection information reporting system |
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| CN106297191A (en) * | 2016-11-12 | 2017-01-04 | 南华大学 | In the confined space, life security is monitored and early warning system automatically |
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2017
- 2017-11-23 CN CN201711178364.9A patent/CN107991437A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202159055U (en) * | 2011-08-04 | 2012-03-07 | 吴大勇 | Wireless monitoring device of concentration of combustible gas in underground limited space |
| CN202281769U (en) * | 2011-11-03 | 2012-06-20 | 河南驰诚电气有限公司 | Modular intelligent gas detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112444600A (en) * | 2019-08-29 | 2021-03-05 | 研能科技股份有限公司 | Monitoring and gas detection information reporting system |
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