CN204703960U - Portable methane detection alarm - Google Patents
Portable methane detection alarm Download PDFInfo
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- CN204703960U CN204703960U CN201520286863.XU CN201520286863U CN204703960U CN 204703960 U CN204703960 U CN 204703960U CN 201520286863 U CN201520286863 U CN 201520286863U CN 204703960 U CN204703960 U CN 204703960U
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- methane
- chip microcomputer
- signal amplifier
- electrically connected
- detection alarm
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Abstract
The utility model provides a kind of Portable Methane Detection Alarm, the information carrying means comprising single-chip microcomputer and single-chip microcomputer electrical connection and the monitoring module be electrically connected with single-chip microcomputer, information carrying means inside is provided with zigbee telegon and zigbee terminal module, monitoring module inside is provided with flow-monitoring device and concentration measurement and control device, the output of single-chip microcomputer is connected with audible-visual annunciator with liquid crystal display, the input of single-chip microcomputer and facial mask switch, signal amplifier and power supply are connected, the input of signal amplifier is electrically connected with methane detector, methane detector inside is provided with purity monitor component, methane transducer, deflation feature and inspiratory component, purity monitor component, methane transducer, deflation feature and inspiratory component are all electrically connected with signal amplifier.
Description
Technical field
The utility model is specifically related to a kind of Portable Methane Detection Alarm.
Background technology
Portable Methane Detection Alarm is applicable to methane (gas), oxygen, carbon monoxide and sulfureted hydrogen gas concentration in the continuous monitoring of environmental in the place such as underground coal mine, tunnel.When methane, carbon monoxide and sulfureted hydrogen gas concentration transfinite or oxygen gas concentration is not enough, automatically can send sound, light is reported to the police.Be the important safety monitoring instrument of pre-anti-gas explosion, gas burst accident, anti-personnel etc. can be led to for colliery relevant staff, administrative staff, professional, flowing staff, colliery and carry with, also can fix for above-mentioned place.
Current Portable Methane Detection Alarm subject matter and defect are: adopt an alarm lamp to report to the police, be contained in the centre of instrument, cause alarm signal observability obvious not; Such instrument performance is unstable, and sensitivity is not high.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of Portable Methane Detection Alarm, and this Portable Methane Detection Alarm can solve the problem well.
For reaching above-mentioned requirements, the technical scheme that the utility model is taked is: provide a kind of Portable Methane Detection Alarm, the information carrying means that this Portable Methane Detection Alarm comprises single-chip microcomputer and single-chip microcomputer electrical connection and the monitoring module be electrically connected with single-chip microcomputer, information carrying means inside is provided with zigbee telegon and zigbee terminal module, monitoring module inside is provided with flow-monitoring device and concentration measurement and control device, the output of single-chip microcomputer is connected with audible-visual annunciator with liquid crystal display, the input of single-chip microcomputer and facial mask switch, signal amplifier and power supply are connected, the input of signal amplifier is electrically connected with methane detector, methane detector inside is provided with purity monitor component, methane transducer, deflation feature and inspiratory component, purity monitor component, methane transducer, deflation feature and inspiratory component are all electrically connected with signal amplifier.
The advantage that this Portable Methane Detection Alarm has is as follows:
(1) good signal transfer functions can be realized by arranging zigbee telegon, information carrying means and zigbee terminal module.
(2) existing apparatus for determination of gas alarm signal observability not significantly problem can be solved well by arranging liquid crystal display and audible-visual annunciator.
(3) more fully can monitor methane by arranging purity monitor component, methane detector, methane transducer, deflation feature and inspiratory component.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, form a application's part, use identical reference number to represent same or analogous part in the drawings, the schematic description and description of the application, for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 schematically shows the structural representation of the Portable Methane Detection Alarm according to the application's embodiment.
Wherein: 1, zigbee telegon; 2, information carrying means; 3, flow-monitoring device; 4, monitoring module; 5, concentration measurement and control device; 6, liquid crystal display; 7, audible-visual annunciator; 8, facial mask switch; 9, single-chip microcomputer; 10, signal amplifier; 11, purity monitor component; 12, methane detector; 13, methane transducer; 14, deflation feature; 15, inspiratory component; 16, power supply; 17, zigbee terminal module.
Detailed description of the invention
For making the object of the application, technical scheme and advantage clearly, below in conjunction with drawings and the specific embodiments, the application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown that the embodiment of so description or example can comprise special characteristic, structure, characteristic, character, element or limit, but not each embodiment or example must comprise special characteristic, structure, characteristic, character, element or limit.In addition, reuse phrase " embodiment according to the application " although be likely refer to identical embodiment, and not necessarily refers to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristic.
According to an embodiment of the application, provide a kind of Portable Methane Detection Alarm, as shown in Figure 1, the information carrying means 2 comprising single-chip microcomputer 9 and single-chip microcomputer 9 electrical connection and the monitoring module 4 be electrically connected with single-chip microcomputer 9, information carrying means 2 inside is provided with zigbee telegon 1 and zigbee terminal module 17, monitoring module 4 inside is provided with flow-monitoring device 3 and concentration measurement and control device 5, the output of single-chip microcomputer 9 is connected with audible-visual annunciator 7 with liquid crystal display 6, the input of single-chip microcomputer 9 and facial mask switch 8, signal amplifier 10 and power supply 16 are connected, the input of signal amplifier 10 is electrically connected with methane detector 12, methane detector 12 inside is provided with purity monitor component 11, methane transducer 13, deflation feature 14 and inspiratory component 15, purity monitor component 11, methane transducer 13, deflation feature 14 and inspiratory component 15 are all electrically connected with signal amplifier 10.
According to an embodiment of the application, the power supply 16 of this Portable Methane Detection Alarm is connected with methane detector 12 with signal amplifier 10.
Portable Methane Detection Alarm, comprises shell and adopts ABS engineering plastics shell, anti-drop, and 1, power acquisition PL123450 1500mAh lithium battery adds guard shield and export, can have short-circuit protection, super-charge super-discharge is protected; 2, methane transducer adopt 718 MJC4/2.9J (0-4%CH
4) methane transducer of model, make to export more stable, sensitivity is higher; 3, signal amplification circuit adopts the amplifier of 526CH model; 4, single-chip microcomputer adopts the single-chip microcomputer of the PIC model of low-power consumption, carries the AD conversion module of 12, has saved cost; 5, numeral method adopts the red charactron of 4 common cathode super brightness; 6, sound and light alarm adopts the red light emitting diodes of two super brightness, and is contained in the top of instrument, is more conducive to finding alarm signal; 7, facial mask switch makes the life-span of button greatly extend.
Before this instrument normally works, first with single-chip microcomputer, Methane alarm is returned to zero in atmosphere.Then pass into calibrating gas to calibrate instrument.Portable Methane alarm is put in test environment, in time there is no methane gas in environment, methane transducer does not collect methane gas, single-chip microcomputer result of calculation is 0, will by numeral method out, in time methane gas having been detected in environment, at this time can there is catalyst combustion reaction in methane gas and methane transducer, make electric bridge uneven, at this time can produce a pressure difference signal, through amplifying circuit, signal is amplified, then single-chip microcomputer is sent to carry out AD process, then after processing with single-chip microcomputer, charactron shows methane concentration value in current environment in real time, simultaneously, this methane concentration can compare with the alarm point of single-chip microcomputer storage inside, be greater than the alarm point that single-chip microcomputer is arranged, single-chip microcomputer by output alarm signal to sound light alarming circuit, at this time two alarm lamps will glimmer, buzzer can send the sound of warning, if be less than alarm point, the methane concentration that then just numeral method is current.Alarm lamp and buzzer are in closed condition.Power supply to single-chip microcomputer, amplifying circuit and sensor power.Facial mask switch is used for carrying out adjustment at zero point to methane, and alarm point regulates, calibration, and time and date regulate.
According to an embodiment of the application, this Portable Methane Detection Alarm can realize good signal transfer functions by arranging zigbee telegon 1, information carrying means 2 and zigbee terminal module 17; Existing apparatus for determination of gas alarm signal observability not significantly problem can be solved well by arranging liquid crystal display 6 and audible-visual annunciator 7; Can monitor the flow of gas and concentration well by arranging flow-monitoring device 3, monitoring module 4 and concentration measurement and control device 5; Better can monitor methane by arranging purity monitor component 11, methane detector 12, methane transducer 13, deflation feature 14 and inspiratory component 15.
The above embodiment only represents several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not be interpreted as the restriction to the utility model scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to the utility model protection domain.Therefore protection domain of the present utility model should be as the criterion with described claim.
Claims (2)
1. a Portable Methane Detection Alarm, is characterized in that: comprise the information carrying means (2) that single-chip microcomputer (9) and described single-chip microcomputer (9) are electrically connected and the monitoring module (4) be electrically connected with described single-chip microcomputer (9), described information carrying means (2) inside is provided with zigbee telegon (1) and zigbee terminal module (17), described monitoring module (4) inside is provided with flow-monitoring device (3) and concentration measurement and control device (5), the output of described single-chip microcomputer (9) is connected with audible-visual annunciator (7) with liquid crystal display (6), the input of described single-chip microcomputer (9) and facial mask switch (8), signal amplifier (10) and power supply (16) are connected, the input of described signal amplifier (10) is electrically connected with methane detector (12), described methane detector (12) inside is provided with purity monitor component (11), methane transducer (13), deflation feature (14) and inspiratory component (15), described purity monitor component (11), methane transducer (13), deflation feature (14) and inspiratory component (15) are all electrically connected with described signal amplifier (10).
2. Portable Methane Detection Alarm according to claim 1, is characterized in that: described power supply (16) is connected with methane detector (12) with signal amplifier (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286863.XU CN204703960U (en) | 2015-05-06 | 2015-05-06 | Portable methane detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286863.XU CN204703960U (en) | 2015-05-06 | 2015-05-06 | Portable methane detection alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204703960U true CN204703960U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520286863.XU Expired - Fee Related CN204703960U (en) | 2015-05-06 | 2015-05-06 | Portable methane detection alarm |
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| CN (1) | CN204703960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806785A (en) * | 2016-03-28 | 2016-07-27 | 贵州大学 | Portable laser methane detecting device and detecting method thereof |
| CN110779966A (en) * | 2019-11-26 | 2020-02-11 | 华北电力科学研究院有限责任公司 | Light gas alarm characteristic gas detection method and device |
| CN114323111A (en) * | 2020-10-10 | 2022-04-12 | 中国石油天然气集团有限公司 | Methane emission monitoring system and method for oil-gas field development |
-
2015
- 2015-05-06 CN CN201520286863.XU patent/CN204703960U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806785A (en) * | 2016-03-28 | 2016-07-27 | 贵州大学 | Portable laser methane detecting device and detecting method thereof |
| CN110779966A (en) * | 2019-11-26 | 2020-02-11 | 华北电力科学研究院有限责任公司 | Light gas alarm characteristic gas detection method and device |
| CN114323111A (en) * | 2020-10-10 | 2022-04-12 | 中国石油天然气集团有限公司 | Methane emission monitoring system and method for oil-gas field development |
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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 |
Granted publication date: 20151014 Termination date: 20200506 |
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| CF01 | Termination of patent right due to non-payment of annual fee |