CN205749448U - A kind of multifunctional gas detector - Google Patents
A kind of multifunctional gas detector Download PDFInfo
- Publication number
- CN205749448U CN205749448U CN201620503140.5U CN201620503140U CN205749448U CN 205749448 U CN205749448 U CN 205749448U CN 201620503140 U CN201620503140 U CN 201620503140U CN 205749448 U CN205749448 U CN 205749448U
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- CN
- China
- Prior art keywords
- circuit
- measuring circuit
- module
- gasmetry
- chip microcomputer
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- Expired - Fee Related
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- 230000003750 conditioning effect Effects 0.000 claims abstract description 16
- 229910018095 Ni-MH Inorganic materials 0.000 claims abstract description 13
- 229910018477 Ni—MH Inorganic materials 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 50
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000027734 detection of oxygen Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Emergency Alarm Devices (AREA)
Abstract
This utility model one multifunctional gas detector, including detected gas, power module；Detected gas is detected by gasmetry circuit, and detected gas enters the input of gasmetry circuit, and the outfan of gasmetry circuit connects the input of signal conditioning circuit, and the outfan of signal conditioning circuit connects the signal input part of single-chip microcomputer；The signal output part of single-chip microcomputer connects sound and light alarm module and LCD MODULE respectively, and the signal input part of single-chip microcomputer is also connected with key-press module；Gasmetry circuit is made up of the two-in-one measuring circuit of CH4 and CO2, O2 measuring circuit, CO measuring circuit, NO measuring circuit, NO2 measuring circuit, SO2 measuring circuit, and described power module is connected to form by external power supply, automatic switch-over circuit, Ni-MH battery group.Gas with various concentration can be used for quickly detecting and can show in real time and sound and light alarm by this utility model, it is achieved that only uses detector just can identification and the judgement of concentration to the multiple gases kind of surrounding in real time.
Description
Technical field
This utility model belongs to the gas detection equipment technical field of security protection in commercial production, particularly relates to
A kind of multifunctional gas detector；Mainly for detection of poisonous, harmful, imflammable gas.
Background technology
In commercial production, produced gas has a lot for poisonous, harmful, imflammable gas, then gas detector plays
Vital detection effect, gas detector is mainly for detection of inflammable, explosive, poisonous, the concentration of harmful gas, as natural
Gas, coal gas, methane, ethane, propane, hydrogen, acetone, carbon monoxide, benzene etc.；Gas detector is widely used in chemical industry, stone
In the fields such as change, electronics metallurgy and civil safety detection.At present, domestic existing gas detector still has and can only detect list
The limitation of one gas, gas detector based on pure gas detector, in-convenience in use, measure gas concentration narrow range, dimension
Protect cost high；Although having now been developed some Multi-parameter gas detectors, but these detectors the most generally also existing stability not
The problem of enough, low, the poor anti jamming capability of certainty of measurement etc..
Summary of the invention
This utility model is aiming at the problems referred to above, makes up the deficiencies in the prior art, it is provided that a kind of multifunctional gas detection
Instrument；The concentration of gas with various can be used for quickly detecting and can show in real time and sound and light alarm by this utility model, it is achieved that only makes
With a detector just can identification and the judgement of concentration to the multiple gases kind of surrounding in real time, easy to use, measure
Scope is wide, maintenance cost is low, and good stability, certainty of measurement are high, capacity of resisting disturbance is strong.
For achieving the above object, this utility model adopts the following technical scheme that.
This utility model one multifunctional gas detector, including detected gas, and provides the power module of electric energy；Its
Structural feature is: described detected gas is detected by gasmetry circuit, and detected gas enters gasmetry circuit
Input, the outfan of described gasmetry circuit connects the input of signal conditioning circuit, the outfan of signal conditioning circuit
Connect the signal input part of single-chip microcomputer；The signal output part of described single-chip microcomputer is connected to sound and light alarm module and liquid crystal display
Module, the signal input part of described single-chip microcomputer is also associated with key-press module；Described power module is gasmetry circuit, signal tune
Reason circuit, single-chip microcomputer, sound and light alarm module, LCD MODULE and key-press module provide electric energy；Described gasmetry circuit by
The two-in-one measuring circuit of CH4 and CO2, O2 measuring circuit, CO measuring circuit, NO measuring circuit, NO2 measuring circuit, SO2 measure electricity
Road forms, and described power module is connected to form by external power supply, automatic switch-over circuit, Ni-MH battery group.
As a kind of preferred version of the present utility model, S3C2440A embedded microprocessor selected by described single-chip microcomputer.
As another kind of preferred version of the present utility model, described signal conditioning circuit is by filter circuit, amplifying circuit, A/
D change-over circuit is sequentially connected composition, and the outfan of described gasmetry circuit connects the input of filter circuit, and described A/D turns
The outfan changing circuit connects the signal input part of single-chip microcomputer.
As another kind of preferred version of the present utility model, described single-chip microcomputer is also associated with communication interface modules, described logical
Letter interface module is connected with host computer communication, and described host computer is PC.
As another kind of preferred version of the present utility model, the two-in-one measuring circuit of described CH4 and CO2 selects on-dispersive red
Outer explosion-proof two-in-one sensor.
As another kind of preferred version of the present utility model, described O2 measuring circuit, CO measuring circuit, NO measuring circuit,
NO2 measuring circuit, SO2 measuring circuit select O2 electrochemical transducer[sensor, CO electrochemical transducer[sensor, NO electric chemical formula to pass respectively
Sensor, NO2 electrochemical transducer[sensor, SO2 electrochemical transducer[sensor.
As another kind of preferred version of the present utility model, described sound and light alarm module is by audion, light emitting diode, honeybee
Ring device composition.
Specifically, power module described in the utility model is connected by external power supply, automatic switch-over circuit, Ni-MH battery group
Composition, described power module has the function of the inside and outside power supply that automatically switches；When there being external power supply to input, then by external power supply
To the gasmetry circuit of detector, signal conditioning circuit, single-chip microcomputer, sound and light alarm module, LCD MODULE and button mould
Block is powered, and gives built-in Ni-MH battery group charging simultaneously；When external power supply power-off, then supplied by built-in Ni-MH battery group
Electricity；Avoid the work of power failures detector and constitute potential safety hazard.
More specifically, described automatic switch-over circuit selects switching pmos circuit, realize automatically cutting of inside and outside power supply
Change.
This utility model beneficial effect.
1, this utility model by described gasmetry circuit, signal conditioning circuit, single-chip microcomputer, sound and light alarm module,
LCD MODULE combines, and can be used for quickly detecting the concentration of gas with various and can show in real time and sound and light alarm, it is achieved
Only use the detector just can identification and the judgement of concentration, user to the multiple gases kind of surrounding in real time
Just, scope is wide, maintenance cost is low in measurement, and good stability, certainty of measurement are high, capacity of resisting disturbance is strong.
2, the gas concentration data of measurement can be sent to upper by described communication interface modules by this utility model
Machine, by host computer, gas detector is monitored in real time, parameter arrange with data store；Described power module is by external
Power supply, automatic switch-over circuit, Ni-MH battery group be connected to form, it is to avoid the work of power failures detector and to constitute safety the most hidden
Suffer from.
Accompanying drawing explanation
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearer, below
In conjunction with the drawings and the specific embodiments, this utility model is further elaborated.Should be appreciated that tool described herein
Body embodiment, only in order to explain this utility model, is not used to limit this utility model.
Fig. 1 is the Integral connection structure schematic block diagram of this utility model a kind of multifunctional gas detector.
Fig. 2 is the circuit catenation principle figure of the power module of this utility model a kind of multifunctional gas detector.
Detailed description of the invention
Shown in accompanying drawing 1, this utility model one multifunctional gas detector, including detected gas, and provide electricity
The power module of energy；Its structural feature is: described detected gas is detected by gasmetry circuit, and detected gas enters
The input of gasmetry circuit, the outfan of described gasmetry circuit connects the input of signal conditioning circuit, and signal is adjusted
The outfan of reason circuit connects the signal input part of single-chip microcomputer；The signal output part of described single-chip microcomputer is connected to sound and light alarm
Module and LCD MODULE, the signal input part of described single-chip microcomputer is also associated with key-press module；Described power module is gas
Measuring circuit, signal conditioning circuit, single-chip microcomputer, sound and light alarm module, LCD MODULE and key-press module provide electric energy；Described
Gasmetry circuit is measured by the two-in-one measuring circuit of CH4 and CO2, O2 measuring circuit, CO measuring circuit, NO measuring circuit, NO2
Circuit, SO2 measuring circuit form, and described power module is connected to form by external power supply, automatic switch-over circuit, Ni-MH battery group.
S3C2440A embedded microprocessor selected by described single-chip microcomputer.
Described signal conditioning circuit is sequentially connected is formed by filter circuit, amplifying circuit, A/D change-over circuit, described gas
The outfan of measuring circuit connects the input of filter circuit, and the outfan of described A/D change-over circuit connects the signal of single-chip microcomputer
Input.
Described single-chip microcomputer is also associated with communication interface modules, and described communication interface modules is connected with host computer communication, described
Host computer is PC；The gas concentration data of measurement can be sent to host computer by described communication interface modules, pass through
Gas detector is monitored by host computer in real time, parameter arranges and stores with data.
The two-in-one measuring circuit of described CH4 and CO2 selects the explosion-proof two-in-one sensor of NDIR (Non-Dispersive Infrared)；NDIR (Non-Dispersive Infrared) is prevented
Quick-fried two-in-one sensor maintains the temperature self-compensation of infrared sensor, stability, anti-interference, non-maintaining and long-life excellent
Point, and the optics avoiding traditional infrared principle detector exposes in atmosphere, is covered by the material such as dust or water smoke
Operation troubles that optics causes or the problem of false alarm.
Described O2 measuring circuit, CO measuring circuit, NO measuring circuit, NO2 measuring circuit, SO2 measuring circuit are selected respectively
O2 electrochemical transducer[sensor, CO electrochemical transducer[sensor, NO electrochemical transducer[sensor, NO2 electrochemical transducer[sensor, SO2 electrification
Formula sensor.
Electrochemical transducer[sensor is formed by membrane electrode and electrolyte encapsulation, and usual gas to be measured diffuses in sensor,
Electrolyte decomposition becoming positive and negative charged ion, forms current signal, signal is exported by membrane electrode, by sensed current signal with regard to energy
Obtain the concentration of gas；Electrochemical transducer[sensor is mainly used in the detection of oxygen and toxic gas etc..
Specifically, power module described in the utility model is connected by external power supply, automatic switch-over circuit, Ni-MH battery group
Composition, described power module has the function of the inside and outside power supply that automatically switches；When there being external power supply to input, then by external power supply
To the gasmetry circuit of detector, signal conditioning circuit, single-chip microcomputer, sound and light alarm module, LCD MODULE and button mould
Block is powered, and gives built-in Ni-MH battery group charging simultaneously；When external power supply power-off, then supplied by built-in Ni-MH battery group
Electricity；Avoid the work of power failures detector and constitute potential safety hazard.
More specifically, described automatic switch-over circuit selects switching pmos circuit, realize automatically cutting of inside and outside power supply
Change.
When there being external power supply, by external 5 V local power supply supply automatic switch-over circuits, and fill to Ni-MH battery group simultaneously
Electricity；The circuit catenation principle figure of power module as shown in Figure 2, by power source charges managing chip U2 and CN4136 chip U3 phase
Even, it is achieved carry out intelligent charge to Ni-MH battery group；Last linear voltage stabilizing chip U1 HT7533 output 3.3V supplies to detector
Electricity.
Combination technology scheme and accompanying drawing illustrate operation principle of the present utility model: described CH4 and CO2 is two-in-one measures electricity
Road, O2 measuring circuit, CO measuring circuit, NO measuring circuit, NO2 measuring circuit, SO2 measuring circuit detect corresponding gas
After, through internal electrochemical reaction, produce and gas concentration electric current linearly, through the filtering of signal conditioning circuit, amplification, A/D
Change-over circuit is converted into applicable single-chip microcomputer S3C2440A current signal and allows the digital signal of input；Then single-chip microcomputer is passed through
S3C2440A shows the concentration of corresponding gas, when single-chip microcomputer S3C2440A detects after processing in LCD MODULE
When certain gas concentration transfinites, described sound and light alarm module carries out sound and light alarm；This utility model can pass through key-press module
Trigger interruption to control corresponding data, it is also possible to by host computer, gas detector is monitored in real time, parameter arrange with
Data store.
It is understood that above with respect to specific descriptions of the present utility model, be merely to illustrate this utility model and not
It is limited to the technical scheme described by this utility model embodiment, it will be understood by those within the art that, the most permissible
This utility model is modified or equivalent, to reach identical technique effect；Needs are used, all in this reality as long as meeting
Within novel protection domain.
Claims (7)
1. a multifunctional gas detector, including detected gas, and provides the power module of electric energy；It is characterized in that: institute
Stating detected gas to be detected by gasmetry circuit, detected gas enters the input of gasmetry circuit, described gas
The outfan of bulk measurement circuit connects the input of signal conditioning circuit, and the outfan of signal conditioning circuit connects the letter of single-chip microcomputer
Number input；The signal output part of described single-chip microcomputer is connected to sound and light alarm module and LCD MODULE, described monolithic
The signal input part of machine is also associated with key-press module；Described power module is gasmetry circuit, signal conditioning circuit, monolithic
Machine, sound and light alarm module, LCD MODULE and key-press module provide electric energy；Described gasmetry circuit is closed by CH4 and CO2 bis-
One measuring circuit, O2 measuring circuit, CO measuring circuit, NO measuring circuit, NO2 measuring circuit, SO2 measuring circuit form, described
Power module is connected to form by external power supply, automatic switch-over circuit, Ni-MH battery group.
A kind of multifunctional gas detector the most according to claim 1, it is characterised in that: described single-chip microcomputer is selected
S3C2440A embedded microprocessor.
A kind of multifunctional gas detector the most according to claim 1, it is characterised in that: described signal conditioning circuit is by filtering
Wave circuit, amplifying circuit, A/D change-over circuit are sequentially connected composition, and the outfan of described gasmetry circuit connects filter circuit
Input, the outfan of described A/D change-over circuit connects the signal input part of single-chip microcomputer.
A kind of multifunctional gas detector the most according to claim 1, it is characterised in that: described single-chip microcomputer is also associated with leading to
Letter interface module, described communication interface modules is connected with host computer communication, and described host computer is PC.
A kind of multifunctional gas detector the most according to claim 1, it is characterised in that: the two-in-one survey of described CH4 and CO2
Amount circuit selects the explosion-proof two-in-one sensor of NDIR (Non-Dispersive Infrared).
A kind of multifunctional gas detector the most according to claim 1, it is characterised in that: described O2 measuring circuit, CO survey
Amount circuit, NO measuring circuit, NO2 measuring circuit, SO2 measuring circuit select O2 electrochemical transducer[sensor, CO electric chemical formula respectively
Sensor, NO electrochemical transducer[sensor, NO2 electrochemical transducer[sensor, SO2 electrochemical transducer[sensor.
A kind of multifunctional gas detector the most according to claim 1, it is characterised in that: described sound and light alarm module is by three
Pole pipe, light emitting diode, buzzer form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620503140.5U CN205749448U (en) | 2016-05-30 | 2016-05-30 | A kind of multifunctional gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620503140.5U CN205749448U (en) | 2016-05-30 | 2016-05-30 | A kind of multifunctional gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749448U true CN205749448U (en) | 2016-11-30 |
Family
ID=57363262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620503140.5U Expired - Fee Related CN205749448U (en) | 2016-05-30 | 2016-05-30 | A kind of multifunctional gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749448U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680429A (en) * | 2016-12-26 | 2017-05-17 | 江南大学 | Life detection device and application thereof |
| CN106887107A (en) * | 2017-04-18 | 2017-06-23 | 国网安徽省电力公司电力科学研究院 | A kind of gas recombination detector for cable fire |
| CN107886671A (en) * | 2017-10-26 | 2018-04-06 | 国家电网公司 | A kind of gas recombination detector for cable fire |
| CN108362830A (en) * | 2018-01-15 | 2018-08-03 | 湖北民族学院 | The SCM Based infusion atmospheric monitoring system of one kind and method |
| CN108956898A (en) * | 2018-08-30 | 2018-12-07 | 安徽星源环境科技有限公司 | A kind of gas-detecting device and system and gas detection method |
| CN110208353A (en) * | 2019-06-28 | 2019-09-06 | 北京海益同展信息科技有限公司 | Gas-detecting device and movable termination |
-
2016
- 2016-05-30 CN CN201620503140.5U patent/CN205749448U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680429A (en) * | 2016-12-26 | 2017-05-17 | 江南大学 | Life detection device and application thereof |
| CN106887107A (en) * | 2017-04-18 | 2017-06-23 | 国网安徽省电力公司电力科学研究院 | A kind of gas recombination detector for cable fire |
| CN107886671A (en) * | 2017-10-26 | 2018-04-06 | 国家电网公司 | A kind of gas recombination detector for cable fire |
| CN108362830A (en) * | 2018-01-15 | 2018-08-03 | 湖北民族学院 | The SCM Based infusion atmospheric monitoring system of one kind and method |
| CN108956898A (en) * | 2018-08-30 | 2018-12-07 | 安徽星源环境科技有限公司 | A kind of gas-detecting device and system and gas detection method |
| CN110208353A (en) * | 2019-06-28 | 2019-09-06 | 北京海益同展信息科技有限公司 | Gas-detecting device and movable termination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170530 |