CN204178516U - Intelligent combustible gas sensor - Google Patents
Intelligent combustible gas sensor Download PDFInfo
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- CN204178516U CN204178516U CN201420565130.5U CN201420565130U CN204178516U CN 204178516 U CN204178516 U CN 204178516U CN 201420565130 U CN201420565130 U CN 201420565130U CN 204178516 U CN204178516 U CN 204178516U
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Abstract
The utility model discloses a kind of Intelligent combustible gas sensor, comprise MCU controller module, propane gas sensor assembly, methane gas sensor module, carbon monoxide transducer module, ZigBee wireless transport module, propane gas sensor assembly, methane gas sensor module, carbon monoxide transducer module are all connected with MCU controller module, MCU controller module is also connected with LED lamp module, ZigBee wireless transport module is connected with MCU controller module by UART interface, and ACDC power module is connected with MCU controller module and is used for powering; The utility model security performance is higher, and a product just solves because of zones of different rock gas, the gas componant of artificial coal gas different and cause detect inaccurate, the problem that safe reliability is lower, and by the wireless transmission warning message of ZigBee technology.
Description
Technical field
The utility model belongs to safety protection field, more specifically relates to a kind of Intelligent combustible gas sensor.Can many combustible gases be detected, and pass through the wireless transmission warning message of ZigBee technology.
Background technology
At present, extensive universal due to rock gas in family, brings many facilities to family daily life, but bring various simultaneously easily, safety is starved of attention.Rock gas leak beyond finite concentration value time, Mars slightly, just can be explosion caused.Rock gas, be a kind of multi-component mixed gaseous liquid fossil fuel, principal ingredient is alkane, wherein based on methane.
Carbon monoxide is the non-irritating gas of no color or smell, carbon monoxide to enter after human body can and blood in haemoglobin combine, generation carbonyl hemoglobin, so make haemoglobin can not with combination with oxygen, thus there is anoxic in the body tissue of delaying, causes human body death by suffocation.Because the gas componant of each regional rock gas of the whole nation is than unknown, general only detection for a kind of sensing head of gas is inaccurate on the market, and the alarming value just causing combustible gas sensor is on the low side, and actual concentrations is higher.
Summary of the invention
The purpose of this utility model is to propose a kind of Intelligent combustible gas sensor.Can many combustible gases be detected, and by the wireless transmission warning message of ZigBee technology, go for the warning device of each gas component from different places, can be more accurate to carbon monoxide, inflammable gas is monitored in real time.Once detect that detected regional concentration exceeds standard, Intelligent combustible gas sensor sends audible alarm, the Area Circular color light bar indication warning that alarm lamp sends different colours exceeds standard for which kind of gas, and by zigbee module, alerting signal being uploaded to cloud server, warning message notifies user with the form of note and phone.So that user takes urgent measure.
For achieving the above object, following technical scheme is adopted
A kind of Intelligent combustible gas sensor, comprises MCU controller module, propane gas sensor assembly, methane gas sensor module, carbon monoxide transducer module, ZigBee wireless transport module, it is characterized in that:
Propane gas sensor assembly, methane gas sensor module, carbon monoxide transducer module are all connected with MCU controller module, MCU controller module is also connected with LED lamp module, ZigBee wireless transport module is connected with MCU controller module by UART interface, and ACDC power module is connected with MCU controller module and is used for powering;
In MCU controller module, MCU controller is 16 single-chip microcomputer MSP430;
In propane gas sensor assembly, sensor adopts TGS2610, series load resistance RL between 2 pin of TGS2610 and 3 pin, the P6.0 mouth of MSP430 is connected to by RL resistance, resistance RA is in parallel with thermo-sensitive resistor RTH is composed in series temperature-compensation circuit with resistance RB, resistance RC again, comparer "+" end is connected between resistance RB and resistance RC, and comparer "-" end is connected to 2 pin of TGS2610, and comparator output terminal is connected to the P1.4 mouth of MSP430;
In methane gas sensor module, sensor adopts TGS2611, series load resistance RL1 between 2 pin of TGS2611 and 3 pin, the P6.1 mouth of MSP430 is connected to by RL1 resistance, resistance RA1 is in parallel with thermo-sensitive resistor RTH1 is composed in series temperature-compensation circuit with resistance RB1, resistance RC1 again, comparer "+" end is connected between resistance RB1 and resistance RC1, and comparer "-" end is connected to 2 pin of TGS2611, and comparator output terminal is connected to the P1.5 mouth of MSP430;
In carbon monoxide transducer module, sensor is ME2-CO, sensor ME2-CO two ends are connected to "+" "-" end of integrated transporting discharging LM358, and negative feedback is formed temperature compensation fed back by resistance R34 series connection thermo-sensitive resistor R35, resistance R36, is connected to the P6.3 mouth of MSP430 through R37 resistance;
In LED lamp module, adopt ET6296 chip, 23 pin of ET6296 chip are connected to the P4.5 mouth of MSP430, and 24 pin of ET6296 chip are connected to the P4.6 mouth of MSP430;
The P0.2 of ZigBee module is connected to the P3.4 of MSP430, and the P0.3 of ZigBee module is connected to the P3.5 of MSP430.
Compared with prior art, the security performance of this product is higher, and a product just solves because of zones of different rock gas, and the gas componant of artificial coal gas is different and cause detection inaccurate, the problem that safe reliability is lower.Safety coefficient can improve again by carbon monoxide transducer in this product further, the gas of burn incompletely can be detected, or the CO gas produced during breaking out of fire, compare existing product on market, cost is lower, going offline of product, trouble shooting is the function that current all products on the market do not have, and it can carry out checking whether that normal grade of power supply gets rid of potential safety hazard timely by reminding user.
Accompanying drawing explanation
Fig. 1 is a kind of Intelligent combustible gas sensor configuration block diagram
Fig. 2 is MCU controller module circuit diagram
Fig. 3 is propane gas sensor module circuit diagram
Fig. 4 is methane gas sensor module circuit diagram
Fig. 5 is carbon monoxide transducer module circuit diagram
Fig. 6 is LED lamp module circuit diagram
Wherein: 1-MCU controller module, 2-propane gas sensor assembly, 3-methane gas sensor module, 4-carbon monoxide transducer module, 5-LED lamp module, 6-ZigBee wireless transport module, 7-ACDC power module.
Embodiment
Below in conjunction with accompanying drawing in detail embodiment of the present utility model is described in detail:
Adopt 16 single-chip microcomputer MSP430 single-chip microcomputers of TI company as master control, be responsible for the collection of data, process.
Methane transducer adopts the TGS2611 of Figaro company, and TGS2611 has very high sensitivity to methane, is suitable for the alarm of household gas leakage.
Propane and butane gas sensor adopt TGS2610, TGS2610 to have very high sensitivity to propane and butane, are suitable for liquefied petroleum gas (LPG) monitoring.TGS2611 and TGS2610 sensor needs applying 2 voltages, heating voltage (VH) and loop voltage (Vc).This VH is in for responsive sub-prime the specified temp adapted with object gas and is applied to integrated well heater.
1 pin of TGS2610 (TGS2611) and 4 pin apply stable 5V voltage, series load resistance RL between 2 pin and 3 pin.RA is in parallel with thermo-sensitive resistor RTH is composed in series temperature-compensation circuit with RB, RC again.Voltage Vref between RB and RC is the reference voltage of comparer.Internal resistance value between TGS2610 (TGS2611) 2 pin and 3 pin can change along with the concentration change of detected inflammable gas.So output voltage Vout also can change along with the concentration change of detected inflammable gas, when Vout magnitude of voltage is more than Vref reference voltage, comparer exports high level, and combustable gas concentration exceeds standard.
Vout voltage can reach more than 4V simultaneously, therefore adopts voltage follower in circuit by the virtual voltage of sensor by discharge circuit dividing potential drop 1/2nd, then exports the ADC sampling pin P6.0 P6.1 of MSP430 to through a road voltage follow.
Carbon monoxide transducer adopts electric chemical formula ME2-CO, ME2-CO sensor can convert faint CO signals to current signal, electric current, through R33, becomes voltage signal, and voltage signal is amplified electric signal by integrated transporting discharging LM358 negative feedback, negative feedback to be connected R35 by R34, R36, wherein R35 is thermo-sensitive resistor, composition temperature compensation feedback, eventually pass the P6.3 mouth ADC that R37 resistance is connected to MSP430 to measure, the concentration value of ME2-CO sensor is directly proportional to magnitude of voltage linear relationship.
ACDC power module alternating current 220V inputs, and direct current 5V exports to gas sensor.
Three-color LED light selects ET6296 chip, ET6296 is a constant current LED drive circuit with 128 rank linear currents adjustments and 128 rank PWM functions, built-in 9 independently low-resistance color LED drive passage, by 6 road dynamic scans, the maximum independent control of breathing realizing 6*9 LED, output current realizes independently linear regulation by programming, and realizes each lamp more subtle brightness, forms shades of colour.The effects such as MSP430 main control chip can control the colour switching of three-color LED by SPI protocol, breathing.
P0.2 and the P0.3 of ZigBee module is communicated by P3.4 with P3.5 of UART and MSP430.
Claims (1)
1. an Intelligent combustible gas sensor, comprise MCU controller module (1), propane gas sensor assembly (2), methane gas sensor module (3), carbon monoxide transducer module (4), ZigBee wireless transport module (6), it is characterized in that:
Propane gas sensor assembly (2), methane gas sensor module (3), carbon monoxide transducer module (4) are all connected with MCU controller module (1), MCU controller module (1) is also connected with LED lamp module (5), ZigBee wireless transport module (6) is connected with MCU controller module (1) by UART interface, and ACDC power module (7) is connected with MCU controller module (1) and is used for powering;
In MCU controller module (1), MCU controller is 16 single-chip microcomputer MSP430;
In propane gas sensor assembly (2), sensor adopts TGS2610, series load resistance RL between 2 pin of TGS2610 and 3 pin, the P6.0 mouth of MSP430 is connected to by RL resistance, resistance RA is in parallel with thermo-sensitive resistor RTH is composed in series temperature-compensation circuit with resistance RB, resistance RC again, comparer "+" end is connected between resistance RB and resistance RC, and comparer "-" end is connected to 2 pin of TGS2610, and comparator output terminal is connected to the P1.4 mouth of MSP430;
In methane gas sensor module (3), sensor adopts TGS2611, series load resistance RL1 between 2 pin of TGS2611 and 3 pin, the P6.1 mouth of MSP430 is connected to by RL1 resistance, resistance RA1 is in parallel with thermo-sensitive resistor RTH1 is composed in series temperature-compensation circuit with resistance RB1, resistance RC1 again, comparer "+" end is connected between resistance RB1 and resistance RC1, and comparer "-" end is connected to 2 pin of TGS2611, and comparator output terminal is connected to the P1.5 mouth of MSP430;
In carbon monoxide transducer module (4), sensor is ME2-CO, sensor ME2-CO two ends are connected to "+" "-" end of integrated transporting discharging LM358, negative feedback is formed temperature compensation fed back by resistance R34 series connection thermo-sensitive resistor R35, resistance R36, is connected to the P6.3 mouth of MSP430 through R37 resistance;
In LED lamp module (5), adopt ET6296 chip, 23 pin of ET6296 chip are connected to the P4.5 mouth of MSP430, and 24 pin of ET6296 chip are connected to the P4.6 mouth of MSP430;
The P0.2 of ZigBee module is connected to the P3.4 of MSP430, and the P0.3 of ZigBee module is connected to the P3.5 of MSP430.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565130.5U CN204178516U (en) | 2014-09-28 | 2014-09-28 | Intelligent combustible gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565130.5U CN204178516U (en) | 2014-09-28 | 2014-09-28 | Intelligent combustible gas sensor |
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| Publication Number | Publication Date |
|---|---|
| CN204178516U true CN204178516U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420565130.5U Expired - Fee Related CN204178516U (en) | 2014-09-28 | 2014-09-28 | Intelligent combustible gas sensor |
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| Country | Link |
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| CN (1) | CN204178516U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564247A (en) * | 2017-09-19 | 2018-01-09 | 无锡市云感科技股份有限公司 | Wireless gas safety guard |
| CN108171934A (en) * | 2017-07-19 | 2018-06-15 | 深圳市新天泽消防工程有限公司 | A kind of flammable gas detecting alarm device |
| CN109406585A (en) * | 2018-10-08 | 2019-03-01 | 重庆市方腾科技有限公司 | A kind of methane transducer of monobus signal input and output |
-
2014
- 2014-09-28 CN CN201420565130.5U patent/CN204178516U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171934A (en) * | 2017-07-19 | 2018-06-15 | 深圳市新天泽消防工程有限公司 | A kind of flammable gas detecting alarm device |
| CN107564247A (en) * | 2017-09-19 | 2018-01-09 | 无锡市云感科技股份有限公司 | Wireless gas safety guard |
| CN109406585A (en) * | 2018-10-08 | 2019-03-01 | 重庆市方腾科技有限公司 | A kind of methane transducer of monobus signal input and output |
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| 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 |
Granted publication date: 20150225 Termination date: 20200928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |