CN201274087Y - Intelligent methane analyzer - Google Patents
Intelligent methane analyzer Download PDFInfo
- Publication number
- CN201274087Y CN201274087Y CNU2008200416727U CN200820041672U CN201274087Y CN 201274087 Y CN201274087 Y CN 201274087Y CN U2008200416727 U CNU2008200416727 U CN U2008200416727U CN 200820041672 U CN200820041672 U CN 200820041672U CN 201274087 Y CN201274087 Y CN 201274087Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- methane
- intelligent
- processing unit
- central processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a methane detection alarm, in particular to an intelligent methane detector, which comprises a power supply circuit, a methane detection circuit, an operational amplifier circuit, a central processing unit, an acousto-optic alarm circuit, a display circuit, a key-pressing circuit and a charging circuit; the methane detection circuit consists of an electric bridge which consists of a resistor and a potentiometer and catalysis elements; the catalysis elements are connected with the operational amplifier circuit in sequence and then are connected with corresponding interfaces of the central processing unit; the acousto-optic alarm circuit, the display circuit and the key-pressing circuit are connected with an I/O port of the central processing unit; and the detected methane concentration is converted into electric signals by the methane detection circuit and all the functional circuits are started in real time after the electric signals are amplified and processed. The intelligent methane detector has the following advantages of having high precision, stability, reliability and convenient use and realizing the intelligent control of the methane detector.
Description
Technical field
The utility model relates to a kind of methane detection alarm device, specifically is a kind of intelligent methane analyzer.
Background technology
At present, the methane detection alarming instrument model that use in the colliery is more, generally adds discrete components and parts by integrated circuit and forms, and the problem of existence is a complicated operation, is not easy to realize Based Intelligent Control.
Summary of the invention
The utility model provides a kind of intelligent methane analyzer, can realize the Based Intelligent Control that methane is measured.
The utility model is realized with following technical scheme: a kind of intelligent methane analyzer is characterized in that comprising power circuit, methane testing circuit, discharge circuit, central processing unit, sound light alarming circuit, display circuit, key circuit, charging circuit; Electric bridge and catalysis element that the methane testing circuit is made up of resistance and potentiometer are formed, catalysis element is connected the back successively with discharge circuit and is connected with the corresponding interface of central processing unit, and sound light alarming circuit, display circuit, key circuit, key circuit and charging circuit are connected with central processing unit I/O mouth.
The detection of methane gas content and voltage signal conversion are realized by the electric bridge in catalysis element and the circuit.The size of bridge output voltage signal is directly proportional with methane concentration, and the A/D converter of signal input central processing unit after discharge circuit amplifies is converted to digital quantity to analog quantity, starts each functional circuit according to the result who handles after central processing unit is handled in good time.Demonstrate methane content as display.After the concentration of methane reached the alarm set point of setting, warning circuit sent warning.
The beneficial effects of the utility model are: the precision height, and reliable and stable, easy to use, realized the methane analyzer Based Intelligent Control.The sensing original paper adopts the thermocatalysis principle probe, is applicable to each operation places, down-hole such as colliery.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is an electric theory diagram of the present utility model;
Fig. 2 is the utility model embodiment circuit diagram.
Embodiment
As shown in Figure 1, intelligent methane analyzer comprises power circuit, methane testing circuit, discharge circuit, central processing unit, sound light alarming circuit, display circuit, key circuit, charging circuit; Electric bridge and catalysis element that the methane testing circuit is made up of resistance and potentiometer are formed, catalysis element is connected the back successively with discharge circuit and is connected with the corresponding interface of central processing unit, and sound light alarming circuit, display circuit, key circuit, key circuit and charging circuit are connected with central processing unit I/O mouth.
As shown in Figure 2, be that central processing unit adopts IC6 intelligence single-chip microcomputer.The methane testing circuit is by resistance R
2, R
4, potentiometer W electric bridge and the catalysis element formed form; Convert detected methane concentration to corresponding electric signal, send into discharge circuit and amplify.The peripheral circuit that discharge circuit is made up of IC1A, IC1B transport and placing device, capacitor C 1 to C6, resistance R 5 to R14 is formed, and to the signal amplification of collection, and the signal after the amplification is sent into the 3rd, the 4th port connection of IC6 intelligence single-chip microcomputer.Sound light alarming circuit is made up of resistance R 29, R30, triode Q5, light emitting diode DL1, alarm Y, is connected with the 13rd port of IC6 intelligence single-chip microcomputer.Charging circuit to battery charge is made up of triode Q3, Q4, resistance R 24, R25, R26, current regulator diode IC7, is connected with the 11st port of IC6 intelligence single-chip microcomputer.Display circuit is made up of charactron and resistor chain.Power circuit is the intrinsic safety type Ni-MH battery.
Claims (7)
1, a kind of intelligent methane analyzer is characterized in that comprising power circuit, methane testing circuit, discharge circuit, central processing unit, sound light alarming circuit, display circuit, key circuit, charging circuit; Electric bridge and catalysis element that the methane testing circuit is made up of resistance and potentiometer are formed; Catalysis element is connected the back successively with discharge circuit and is connected with the corresponding interface of central processing unit, and sound light alarming circuit, display circuit, key circuit are connected with central processing unit I/O mouth.
2, intelligent methane analyzer according to claim 1 is characterized in that central processing unit adopts IC6 intelligence single-chip microcomputer.
3, intelligent methane analyzer according to claim 1 is characterized in that the methane testing circuit is by resistance R
2, R
4, potentiometer W electric bridge and the catalysis element formed form; Convert detected methane concentration to corresponding electric signal, send into discharge circuit and amplify.
4, intelligent methane analyzer according to claim 1, it is characterized in that the peripheral circuit that discharge circuit is made up of IC1A, IC1B transport and placing device, capacitor C 1 to C6, resistance R 5 to R14 forms, signal to collection amplifies, and the signal after amplifying is sent into the 3rd, the 4th port connection of IC6 intelligence single-chip microcomputer.
5, intelligent methane analyzer according to claim 1 is characterized in that sound light alarming circuit is made up of resistance R 29, R30, triode Q5, light emitting diode DL1, alarm Y, is connected with the 13rd port of IC6 intelligence single-chip microcomputer.
6, intelligent methane analyzer according to claim 1 is characterized in that the charging circuit of battery charge is made up of triode Q3, Q4, resistance R 24, R25, R26, current regulator diode IC7, is connected with the 11st port of IC6 intelligence single-chip microcomputer.
7, intelligent methane analyzer according to claim 1 is characterized in that power circuit is the intrinsic safety type Ni-MH battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200416727U CN201274087Y (en) | 2008-08-28 | 2008-08-28 | Intelligent methane analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200416727U CN201274087Y (en) | 2008-08-28 | 2008-08-28 | Intelligent methane analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201274087Y true CN201274087Y (en) | 2009-07-15 |
Family
ID=40884430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200416727U Expired - Fee Related CN201274087Y (en) | 2008-08-28 | 2008-08-28 | Intelligent methane analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201274087Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203714A (en) * | 2015-10-09 | 2015-12-30 | 徐州江煤科技有限公司 | Pumping type multi-parameter determining device |
| CN105401980A (en) * | 2015-12-29 | 2016-03-16 | 常熟市亨达电子器材厂 | Portable methane detection alarm |
-
2008
- 2008-08-28 CN CNU2008200416727U patent/CN201274087Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203714A (en) * | 2015-10-09 | 2015-12-30 | 徐州江煤科技有限公司 | Pumping type multi-parameter determining device |
| CN105401980A (en) * | 2015-12-29 | 2016-03-16 | 常熟市亨达电子器材厂 | Portable methane detection alarm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201867411U (en) | Alcohol tester matched with mobile communication terminal | |
| CN202486087U (en) | High-concentration methane sensor for coal mine pipeline | |
| CN201274087Y (en) | Intelligent methane analyzer | |
| CN201637866U (en) | Display and alarm device of comfort level inside car | |
| CN202057356U (en) | Temperature, pressure and flow velocity integrated transmitter | |
| CN206975007U (en) | Online dissolved oxygen and pH monitor | |
| CN200986551Y (en) | Exhaled air alcohol detector signal processing circuit | |
| CN201569491U (en) | Noise detecting and warning device | |
| CN202994711U (en) | Gas measurement warning device based on singlechip | |
| CN207704619U (en) | A kind of carbonic oxide alarming detector | |
| CN201518011U (en) | Gas sensor harmful gas detector | |
| CN202614719U (en) | Amplifying circuit for carbon monoxide sensor | |
| CN202795678U (en) | Gas alarm | |
| CN204330655U (en) | A kind of portable formaldehyde and PM2.5 pick-up unit | |
| CN202486085U (en) | Methane carbon monoxide tester | |
| CN203606930U (en) | Inspection well gas safety alarm | |
| CN207489211U (en) | A kind of compound detecting alarm of carbon monoxide photoelectric smoke | |
| CN201016951Y (en) | Low-cost humidity transducer | |
| CN204439695U (en) | A kind of Intelligent digital multimeter of voice broadcast | |
| CN202403818U (en) | Temperature sensor for coal mine | |
| CN203606925U (en) | Indoor air safety alarm | |
| CN201569636U (en) | Coal gas measuring equipment | |
| CN202408875U (en) | Signal conditioning circuit board for rat tail pulse detection sensor | |
| CN205787833U (en) | A kind of device for data detection | |
| CN201255743Y (en) | Coal mine well port wine detection instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20100828 |