CN201449387U - Combustible gas detection instrument - Google Patents
Combustible gas detection instrument Download PDFInfo
- Publication number
- CN201449387U CN201449387U CN2009200391300U CN200920039130U CN201449387U CN 201449387 U CN201449387 U CN 201449387U CN 2009200391300 U CN2009200391300 U CN 2009200391300U CN 200920039130 U CN200920039130 U CN 200920039130U CN 201449387 U CN201449387 U CN 201449387U
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- China
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- microprocessor
- combustible gas
- gas detector
- detector according
- gas sensor
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- Expired - Fee Related
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- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The utility model discloses a combustible gas detection instrument which comprises a shell (1); the shell is internally provided with a microprocessor (2) and a gas sensor (3), wherein the microprocessor is connected with an electric power supply (4); the gas sensor (3) is connected with an input interface I of the microprocessor (2) by a signal amplification circuit, a filter circuit and an analog digital conversion circuit in sequence; an input interface II of the microprocessor (2) is connected with a memory (5); and an output interface of the microprocessor (2) is respectively connected with an alarm device and a data display device (7). The combustible gas detection instrument not only can effectively detect the combustible gas in air, but also has convenient operation, small volume and convenient carrying.
Description
Technical field
The utility model relates to a kind of combustible gas detector.
Background technology
Inflammable gas such as rock gas, liquefied petroleum gas (LPG), coal gas, methane, hydrogen, gasoline gas etc. easily bump the spark burning in air, and meet naked light generation blast after reaching finite concentration, are easy to like this fire fighter who is rescuing is caused danger.
Summary of the invention
The utility model provides a kind of combustible gas detector, and it not only can detect airborne inflammable gas effectively, and easy to operate, volume is small and exquisite and easy to carry.
The utility model has adopted following technical scheme: a kind of combustible gas detector, it comprises shell, be provided with microprocessor and gas sensor in the enclosure, be connected with power supply on the microprocessor, gas sensor is connected with the input interface I of microprocessor by signal amplification circuit, filtering circuit, analog to digital conversion circuit successively, input interface II at microprocessor is connected with storer, is connected with warning device and data presentation device respectively at the output interface of microprocessor.
Described gas sensor is the constant potential electrochemical gas sensor.Described storer is EEPROM.Described shell is a polycarbonate.Described warning device comprises light crossing-signal and voice guard, and light crossing-signal is connected with output interface II with the output interface I of microprocessor respectively with voice guard.Described data presentation device is a LCD, and LCD is connected with the output interface III of microprocessor.Described power supply is a lithium battery.Be connected with keyswitch on the input interface III of described microprocessor.
The utlity model has following beneficial effect: the utlity model has easy to operate, volume is small and exquisite and easy to carry, the inflammable gas content that it can be used for detecting hazardous chemical flammable operation place or the device interior line overrun of going forward side by side is reported to the police.The constant potential electrochemical gas sensor that the utility model adopts has advantages such as stability is high, in light weight, little power consumption.Power supply on the utility model microprocessor is a lithium battery, and lithium battery capacity is big, in light weight.Shell of the present utility model is a polycarbonate, can improve shock resistance, the high temperature resistant type of shell like this.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
In Fig. 1, the utility model is a kind of combustible gas detector, it comprises shell 1, shell 1 is a polycarbonate, in shell 1, be provided with microprocessor 2 and gas sensor 3, be connected with power supply 4 on the microprocessor 2, power supply 4 is a lithium battery, gas sensor 3 passes through signal amplification circuit successively, filtering circuit, analog to digital conversion circuit is connected with the input interface I of microprocessor 2, gas sensor 3 is the constant potential electrochemical gas sensor, input interface II at microprocessor 2 is connected with storer 5, storer 5 is EEPROM, output interface at microprocessor 2 is connected with warning device and data presentation device 7 respectively, data presentation device 7 is a LCD, and warning device comprises light crossing-signal 6 and voice guard 8, and light crossing-signal 6 is connected with output interface II with the output interface I of microprocessor 2 respectively with voice guard 8, LCD is connected with the output interface III of microprocessor 2, is connected with keyswitch 9. on the input interface III of microprocessor 2
The course of work of the present utility model is as follows: the user is by the control of the shift knob in the keyswitch 9 start and close, startup self-detection by after enter normal operating conditions, gas sensor 3 detects airborne inflammable gas with fixed frequency, and its concentration value is changed into electric signal.After electric signal carries out the conversion of filtering, analog to digital conversion circuit through amplification, the filtering circuit of amplifying circuit, become the digital signal that directly to be handled by microprocessor by original analog quantity.After this signal was sent into microprocessor 2, microprocessor 2 read the correction parameter among the EEPROM, and signal is proofreaied and correct processing with software aspect such as temperature compensation, the digital quantity of input is converted into gas concentration value shows intuitively in LCD.Detector can be provided with the alarming value of gas concentration, reports to the police by light crossing-signal and voice guard automatically when the gas concentration value that records surpasses alarming value, thereby has guaranteed still can clearly remind the user in the environment of dark, noise.Detector can be by reminding the user with the concentration different type of alarm of reporting to the police when situation such as occurring or battery is under-voltage unusual.
Claims (8)
1. combustible gas detector, it is characterized in that it comprises shell (1), in shell (1), be provided with microprocessor (2) and gas sensor (3), be connected with power supply (4) on the microprocessor (2), gas sensor (3) is connected with the input interface I of microprocessor (2) by signal amplification circuit, filtering circuit, analog to digital conversion circuit successively, meet II in the input of microprocessor (2) and be connected with storer (5), be connected with warning device and data presentation device (7) respectively at the output interface of microprocessor (2).
2. combustible gas detector according to claim 1 is characterized in that described gas sensor (3) is the constant potential electrochemical gas sensor.
3. combustible gas detector according to claim 1 is characterized in that described storer (5) is EEPROM.
4. combustible gas detector according to claim 1 is characterized in that described shell (1) is a polycarbonate.
5. combustible gas detector according to claim 1, it is characterized in that described warning device comprises light crossing-signal (6) and voice guard (8), light crossing-signal (6) meets II with the output interface I of microprocessor (2) with output respectively with voice guard (8) and is connected.
6. combustible gas detector according to claim 1 is characterized in that described data presentation device (7) is LCD, and LCD meets III with the output of microprocessor (2) and is connected.
7. combustible gas detector according to claim 1 is characterized in that described power supply (4) is a lithium battery.
8. combustible gas detector according to claim 1 is characterized in that being connected with keyswitch (9) on the input interface III of described microprocessor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200391300U CN201449387U (en) | 2009-04-30 | 2009-04-30 | Combustible gas detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200391300U CN201449387U (en) | 2009-04-30 | 2009-04-30 | Combustible gas detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449387U true CN201449387U (en) | 2010-05-05 |
Family
ID=42554108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200391300U Expired - Fee Related CN201449387U (en) | 2009-04-30 | 2009-04-30 | Combustible gas detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449387U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076068A (en) * | 2013-03-26 | 2014-10-01 | 深圳市深安旭传感技术有限公司 | Vehicle and monitoring alarm apparatus for environment inside vehicle |
| CN107290403A (en) * | 2017-05-17 | 2017-10-24 | 成都雷纳斯科技有限公司 | A kind of new combustible-gas detector |
| CN106290780B (en) * | 2016-10-19 | 2018-08-21 | 山东罗伯特能源装备有限公司 | A kind of Portable combustible gas detector and its application method |
-
2009
- 2009-04-30 CN CN2009200391300U patent/CN201449387U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076068A (en) * | 2013-03-26 | 2014-10-01 | 深圳市深安旭传感技术有限公司 | Vehicle and monitoring alarm apparatus for environment inside vehicle |
| CN104076068B (en) * | 2013-03-26 | 2017-02-15 | 深圳市深安旭传感技术有限公司 | Vehicle and monitoring alarm apparatus for environment inside vehicle |
| CN106290780B (en) * | 2016-10-19 | 2018-08-21 | 山东罗伯特能源装备有限公司 | A kind of Portable combustible gas detector and its application method |
| CN107290403A (en) * | 2017-05-17 | 2017-10-24 | 成都雷纳斯科技有限公司 | A kind of new combustible-gas detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: TAIZHOU HUATONG FIRE-FIGHTING EQUIPMENT PLANT CO., LTD. Assignor: Xue Yaming Contract record no.: 2011320000350 Denomination of utility model: Combustible gas detector Granted publication date: 20100505 License type: Exclusive License Record date: 20110322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20160430 |