CN204514895U - A kind of many gas detect instrument system - Google Patents
A kind of many gas detect instrument system Download PDFInfo
- Publication number
- CN204514895U CN204514895U CN201520183863.7U CN201520183863U CN204514895U CN 204514895 U CN204514895 U CN 204514895U CN 201520183863 U CN201520183863 U CN 201520183863U CN 204514895 U CN204514895 U CN 204514895U
- Authority
- CN
- China
- Prior art keywords
- signal
- resistance
- circuit
- signal processing
- processing circuit
- 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
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to gas detection technology field, especially a kind of many gas detect instrument system.It comprises gas sensor, signal processing circuit, controller, LCD display, sound light alarming circuit, button operation circuit and power supply stabilization circuit; Gas sensor detects various gas signal and signal is inputed to signal processing circuit, signal carries out processing and the signal after process is inputed to controller by signal processing circuit, and letter signal carries out arranging and by signal feedback to LCD display and sound light alarming circuit by controller; The utility model detects multiple gases signal by gas sensor, meanwhile, utilizes the duty of button operation control circui controller; Further, utilize LCD display and sound light alarming circuit to provide data message for user, its structure is simple, has very strong practicality.
Description
Technical field
The utility model relates to gas detection technology field, especially a kind of many gas detect instrument system.
Background technology
As everyone knows, gas detecting instrument is the requisite equipment in safety in production field, for ensureing that the safety of lives and properties plays an important role.At present, the gas detecting instrument function singleness on market, can not multiple gases measure simultaneously; Further, system architecture is complicated.Therefore, be necessary to provide a kind of many gas detect instrument system.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of many gas detect instrument system that simultaneously can detect multiple gases.
To achieve these goals, the utility model adopts following technical scheme:
A kind of many gas detect instrument system, it comprises gas sensor, signal processing circuit, controller, LCD display, sound light alarming circuit, button operation circuit and power supply stabilization circuit;
Described gas sensor detects various gas signal and signal is inputed to signal processing circuit, signal carries out processing and the signal after process is inputed to controller by described signal processing circuit, and letter signal carries out arranging and by signal feedback to LCD display and sound light alarming circuit by described controller;
Described gas sensor comprises oxygen sensor, carbon monoxide/hydrogen sulfide sensor and methane transducer, described signal processing circuit comprises oxygen signal treatment circuit, carbon monoxide/sulfuretted hydrogen signal processing circuit and methane signal processing circuit, described oxygen sensor, carbon monoxide/hydrogen sulfide sensor and methane transducer respectively with oxygen signal treatment circuit, carbon monoxide/sulfuretted hydrogen signal processing circuit and methane signal processing circuit are electrically connected, described oxygen signal treatment circuit, carbon monoxide/sulfuretted hydrogen signal processing circuit and methane signal processing circuit are electrically connected with controller simultaneously,
Described power supply stabilization circuit provides power supply to supply for signal processing circuit and controller simultaneously, and described button operation circuit produces control signal and signal is inputed to controller.
Preferably, described oxygen signal treatment circuit comprises the first operational amplifier, the in-phase end of described first operational amplifier is connected with the output terminal of oxygen sensor by the first resistance, end of oppisite phase and the output terminal of described first operational amplifier are parallel with the second resistance, described second resistance two ends are parallel with the first electric capacity, the output terminal of described first operational amplifier is connected with the input end of controller by the 3rd resistance, simultaneously by the 4th resistance and the second capacity earth between described 3rd resistance and the output terminal of the first operational amplifier, described 3rd passes through the 3rd capacity earth between resistance and controller.
Preferably, described methane signal processing circuit comprises the second operational amplifier, described second operational amplifier in-phase end is connected with the output terminal of methane transducer by the 20 resistance, the end of oppisite phase of described second operational amplifier is connected with power supply stabilization circuit with the 6th resistance by the 7th resistance of connecting successively, respectively by the 5th resistance and the 14 capacity earth between described 6th resistance and the 7th resistance, end of oppisite phase and the output terminal of described second operational amplifier are parallel with the 21 resistance, 4th electric capacity and the 5th electric capacity, the output terminal of described second operational amplifier is connected with the input end of controller by the 8th resistance.
Owing to have employed such scheme, the utility model detects various gas signal by oxygen sensor, carbon monoxide/hydrogen sulfide sensor and methane transducer; Meanwhile, the duty of button operation control circui controller is utilized; Further, utilize LCD display and sound light alarming circuit to provide data message for user, its structure is simple, has very strong practicality.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of the utility model embodiment;
Fig. 2 is the electrical block diagram of the oxygen signal treatment circuit of the utility model embodiment;
Fig. 3 is the electrical block diagram of the methane signal processing circuit of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, a kind of many gas detect instrument system, it comprises gas sensor 1, signal processing circuit 2, controller 3, LCD display 6, sound light alarming circuit 7, button operation circuit 5 and power supply stabilization circuit 4, gas sensor 1 detects various gas signal and signal is inputed to signal processing circuit 2, signal carries out processing and the signal after process is inputed to controller by signal processing circuit 2, and signal carries out arranging and by signal feedback to LCD display 6 and sound light alarming circuit 7 by controller 3, gas sensor 1 comprises oxygen sensor 8, carbon monoxide/hydrogen sulfide sensor 9 and methane transducer 10, signal processing circuit 2 comprises oxygen signal treatment circuit 11, carbon monoxide/sulfuretted hydrogen signal processing circuit 12 and methane signal processing circuit 13, oxygen sensor 8, carbon monoxide/hydrogen sulfide sensor 9 and methane transducer 10 respectively with oxygen signal treatment circuit 11, carbon monoxide/sulfuretted hydrogen signal processing circuit 12 and methane signal processing circuit 13 are electrically connected, oxygen signal treatment circuit 11, carbon monoxide/sulfuretted hydrogen signal processing circuit 12 and methane signal processing circuit 13 are electrically connected with controller 3 simultaneously, power supply stabilization circuit 4 provides power supply to supply for signal processing circuit 2 and controller 3 simultaneously, and button operation circuit 5 produces control signal and signal is inputed to controller 3.The present embodiment detects various gas signal by oxygen sensor 8, carbon monoxide/hydrogen sulfide sensor 9 and methane transducer 10; Meanwhile, button operation circuit 5 is utilized to control the duty of controller; Further, LCD display 6 and sound light alarming circuit 7 is utilized to provide data message for user.
Simultaneously, the oxygen signal treatment circuit 8 of this enforcement can adopt the circuit structure shown in Fig. 2, namely the first operational amplifier U1 is comprised, the in-phase end of the first operational amplifier U1 is connected with the output terminal of oxygen sensor 8 by the first resistance R1, the end of oppisite phase of the first operational amplifier U1 and output terminal are parallel with the second resistance R2, second resistance R2 two ends are parallel with the first electric capacity C1, the output terminal of the first operational amplifier U1 is connected with the input end of controller 3 by the 3rd resistance R3, simultaneously by the 4th resistance R4 and the second electric capacity C2 ground connection between the output terminal of the 3rd resistance R3 and the first operational amplifier U1, by the 3rd electric capacity C3 ground connection between 3rd resistance R3 and controller.
In addition, methane signal processing circuit 13 can adopt circuit structure as shown in Figure 3, namely the second operational amplifier U2 is comprised, second operational amplifier U2 in-phase end is connected with the output terminal of methane transducer 10 by the 20 resistance R20, the end of oppisite phase of the second operational amplifier U2 is connected with power supply stabilization circuit 4 with the 6th resistance R6 by the 7th resistance R7 connected successively, respectively by the 5th resistance R5 and the 14 electric capacity C14 ground connection between 6th resistance R6 and the 7th resistance R7, end of oppisite phase and the output terminal of the second operational amplifier U2 are parallel with the 21 resistance R21, 4th electric capacity C4 and the 5th electric capacity C5, the output terminal of the second operational amplifier U2 is connected with the input end of controller 3 by the 8th resistance R8.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. the instrument system of gas detect more than, is characterized in that: it comprises gas sensor, signal processing circuit, controller, LCD display, sound light alarming circuit, button operation circuit and power supply stabilization circuit;
Described gas sensor detects various gas signal and signal is inputed to signal processing circuit, signal carries out processing and the signal after process is inputed to controller by described signal processing circuit, and letter signal carries out arranging and by signal feedback to LCD display and sound light alarming circuit by described controller;
Described gas sensor comprises oxygen sensor, carbon monoxide/hydrogen sulfide sensor and methane transducer, described signal processing circuit comprises oxygen signal treatment circuit, carbon monoxide/sulfuretted hydrogen signal processing circuit and methane signal processing circuit, described oxygen sensor, carbon monoxide/hydrogen sulfide sensor and methane transducer respectively with oxygen signal treatment circuit, carbon monoxide/sulfuretted hydrogen signal processing circuit and methane signal processing circuit are electrically connected, described oxygen signal treatment circuit, carbon monoxide/sulfuretted hydrogen signal processing circuit and methane signal processing circuit are electrically connected with controller simultaneously,
Described power supply stabilization circuit provides power supply to supply for signal processing circuit and controller simultaneously, and described button operation circuit produces control signal and signal is inputed to controller.
2. a kind of many gas detect instrument system as claimed in claim 1, it is characterized in that: described oxygen signal treatment circuit comprises the first operational amplifier, the in-phase end of described first operational amplifier is connected with the output terminal of oxygen sensor by the first resistance, end of oppisite phase and the output terminal of described first operational amplifier are parallel with the second resistance, described second resistance two ends are parallel with the first electric capacity, the output terminal of described first operational amplifier is connected with the input end of controller by the 3rd resistance, simultaneously by the 4th resistance and the second capacity earth between described 3rd resistance and the output terminal of the first operational amplifier, described 3rd passes through the 3rd capacity earth between resistance and controller.
3. a kind of many gas detect instrument system as claimed in claim 1, it is characterized in that: described methane signal processing circuit comprises the second operational amplifier, described second operational amplifier in-phase end is connected with the output terminal of methane transducer by the 20 resistance, the end of oppisite phase of described second operational amplifier is connected with power supply stabilization circuit with the 6th resistance by the 7th resistance of connecting successively, respectively by the 5th resistance and the 14 capacity earth between described 6th resistance and the 7th resistance, end of oppisite phase and the output terminal of described second operational amplifier are parallel with the 21 resistance, 4th electric capacity and the 5th electric capacity, the output terminal of described second operational amplifier is connected with the input end of controller by the 8th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183863.7U CN204514895U (en) | 2015-03-30 | 2015-03-30 | A kind of many gas detect instrument system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183863.7U CN204514895U (en) | 2015-03-30 | 2015-03-30 | A kind of many gas detect instrument system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204514895U true CN204514895U (en) | 2015-07-29 |
Family
ID=53712855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520183863.7U Expired - Fee Related CN204514895U (en) | 2015-03-30 | 2015-03-30 | A kind of many gas detect instrument system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204514895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095153A (en) * | 2019-05-20 | 2019-08-06 | 安徽延达智能科技有限公司 | One kind ten unifies Multifunction Sensor |
| CN113156054A (en) * | 2020-12-28 | 2021-07-23 | 深圳市安帕尔科技有限公司 | Gas detection circuit and gas detector |
-
2015
- 2015-03-30 CN CN201520183863.7U patent/CN204514895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095153A (en) * | 2019-05-20 | 2019-08-06 | 安徽延达智能科技有限公司 | One kind ten unifies Multifunction Sensor |
| CN113156054A (en) * | 2020-12-28 | 2021-07-23 | 深圳市安帕尔科技有限公司 | Gas detection circuit and gas detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203587817U (en) | Handheld digital metal detector | |
| MY164590A (en) | Ion detectiing apparatus and ion generating apparatus provided with the same | |
| CN204495771U (en) | A kind of photoionization detection system | |
| CN204514895U (en) | A kind of many gas detect instrument system | |
| CN204679892U (en) | A kind of constant current electronic load control system | |
| CN203216997U (en) | On-line detector for ground resistor | |
| CN202854084U (en) | Plug-in type gas detecting module and gas detecting mobile phone | |
| CN202853851U (en) | Gas leakage detection apparatus | |
| CN203396801U (en) | Device for achieving current harmonic and detection and testing device for error influence quantity of watt-hour meter | |
| CN204703960U (en) | Portable methane detection alarm | |
| CN205194023U (en) | Be applied to CO detection module of security against fire | |
| CN204965223U (en) | Environmental temperature control system based on thing networking | |
| CN204832343U (en) | Colliery is electric power harmonic monitoring system in pit based on GPRS network | |
| CN204556100U (en) | A kind of novel acoustical signal acquisition system | |
| CN204632067U (en) | A kind of intelligent fire-pretection system based on Internet of Things | |
| CN205334692U (en) | Indoor air quality real -time detection system | |
| CN205317849U (en) | Commercial power electric power parameter detecting system | |
| CN204721691U (en) | A kind of voice illuminating switch system | |
| CN204856796U (en) | Electric fire monitored control system based on thing networking | |
| CN204613782U (en) | A kind of New Constant Temperature Control System | |
| CN102841264A (en) | Passive detection method for electromagnetic radiation and portable alarm device | |
| CN103389401B (en) | A kind of electric network voltage detection device | |
| CN205091311U (en) | Indoor air quality detector based on GPRS | |
| CN105572465A (en) | Electric supply power parameter detection system | |
| CN204705611U (en) | Carbon monoxide tester |
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: 20150729 Termination date: 20160330 |