CN2650256Y - Intelligent methane-warning lamp for mine - Google Patents
Intelligent methane-warning lamp for mine Download PDFInfo
- Publication number
- CN2650256Y CN2650256Y CN 200320103043 CN200320103043U CN2650256Y CN 2650256 Y CN2650256 Y CN 2650256Y CN 200320103043 CN200320103043 CN 200320103043 CN 200320103043 U CN200320103043 U CN 200320103043U CN 2650256 Y CN2650256 Y CN 2650256Y
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- lamp
- alarm
- wheatstone bridge
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Abstract
The utility model discloses an intelligent methane alarm lamp for mine, which consists of a battery box, a cable, a lamp, a switch, an alarm display panel and a sensing element cavity; the alarm display panel has a circuit board with a control circuit, the control circuit has a circuit working state display circuit with a digital tube, a comparing calculation amplifying circuit, a Wheatstone bridge circuit, a SCM CPU microprocessor, an acousto-optical alarm circuit and a memory chip, the acousto-optical alarm circuit has a buzzer circuit, a remote control receiving circuit, a switching function key, and a clock chip, a carrier catalyzing element is connected to one bridge arm of the Wheatstone bridge circuit. The SCM CPU microprocessor is connected with the working state display circuit, and the memory chip. The utility model combines a methane detection alarm meter with a miner's lamp, reduces the workers load, avoids the failure of meter caused by unauthorized click of button; by adopting the remote control man-machine interface, the utility model has high precision and stability, no error and missed warning problems.
Description
Technical field: the utility model relates to a kind of mining intelligent methane warning miner's lamp.
Background technology: application number 85203013 has been announced a kind of gas warning head lamp, is to be convenient to illumination and the dual-purpose lamp of gas alarming that the personnel in the pit carries, and is made up of lamp holder, cable and accumulator box.The sensor that Xe lamp bulb is housed on the lamp holder and makes by heat catalytic element.What link lamp holder and accumulator box is the cable that six roots of sensation conductive core line is formed, and control circuit board is contained in above the battery case, and this lamp is used for illumination when gas density does not transfinite.When gas density transfinites, can control the bulb flashing light alarm.Application number: 90202528.7 have announced the automatic warning miner's lamp of a kind of gas.Form by electric insulation housing and the testing circuit, amplifying circuit, delay circuit, oscillatory circuit, NAND gate circuit, light warning circuit and the mu balanced circuit that are installed in the housing.It converts electric signal to after being detected airborne flammable explosive gas (Device in Gas) by the test section, reaches the warning purpose by after above-mentioned each circuit function with the bright dark variation of light.But have the problem of methane gas concentration calibration difficulty and device adjustment difficulty, the layman is difficult to grasp, and precision and stability do not reach required standard, usually produce to report by mistake and fail to report.And the equipment worn when going into the well of coal miner is many and weigh, and alleviates workman's burden, with methane detection alarming instrument with mine lamp is combined and two be one also to be workman's demand.Because underground work condition flag, the workman likes moving back and forth instrument, any button click makes the instrument cisco unity malfunction, and the mining intelligent methane warning miner's lamp with remote-adjust function makes the mining methane warning miner's lamp of adjustment more convenient reliably accurately, not fragile.
Summary of the invention: the purpose of this utility model is to improve the shortcoming of prior art, a kind of mining intelligent methane warning miner's lamp that provides methane detection alarming instrument and mine lamp to combine.For achieving the above object, the utility model is taked following design proposal: mining intelligent methane warning miner's lamp of the present utility model is by battery case, cable, lamp holder, switch, alarm indication plate and sensing element cavity are formed, in the alarm indication plate wiring board is arranged, wiring board is furnished with control circuit, control circuit is by the circuit working state display circuit, the circuit working state display circuit has charactron, the comparison operation amplifying circuit, Wheatstone bridge circuit, the singlechip CPU microprocessor, sound light alarming circuit and memory storaging chip, sound light alarming circuit has buzzer circuit, remote-control receiving circuit, conversion function key, clock chip, carrier catalyst element are connected on the brachium pontis of Wheatstone bridge circuit.The singlechip CPU microprocessor connects duty display circuit, memory storaging chip.
The utility model is combined methane detection alarming instrument and mine lamp, reduces workman's burden.Avoid the random button click of workman, make the instrument cisco unity malfunction, the mining methane warning miner's lamp with remote-adjust function makes the mining methane warning miner's lamp of adjustment more convenient reliably accurately, not fragile.Have methane gas concentration calibration, convenient, the simple advantage of adjusting process, the layman grasps easily, the shortcoming and the artificial instrument state of manually intervening of prior art potentiometer method of adjustment have been overcome, instrument and people's man-machine interface is a telepilot, telepilot is convenient to management, the wearer can't change instrument state is set, and precision and stability improve, the phenomenon that does not produce wrong report and fail to report.
Description of drawings:
Fig. 1 is the utility model mounting structure synoptic diagram
Fig. 2 is the utility model circuit diagram
Embodiment:
Embodiment 1: as Fig. 1, Fig. 2, shown in, mining intelligent methane warning miner's lamp of the present invention is by battery case 1, cable 3, lamp holder 4, switch 5, alarm indication plate 2 and sensing element cavity 6 are formed, alarm indication plate 2 has membrane buttons, in the alarm indication plate 2 wiring board is arranged, wiring board is furnished with control circuit, control circuit is by the circuit working state display circuit, the circuit working state display circuit has charactron Y1, Y2, Y3, Y4, the comparison operation amplifying circuit, Wheatstone bridge circuit 82, the singlechip CPU microprocessor, sound light alarming circuit and memory storaging chip U1, sound light alarming circuit has buzzer circuit, remote-control receiving circuit, conversion function key 90, clock chip U2, carrier catalyst element are connected on the brachium pontis of Wheatstone bridge circuit.The singlechip CPU microprocessor connects charactron Y1, Y2, Y3, Y4, memory storaging chip U1.Operational amplifier TIB and resistance R 3, R9, R10, R29, R11, R12, R8, capacitor C 5, C6, C7, diode D3, triode P1, voltage stabilizing diode T2 connect to form the reference voltage source circuit that offers Wheatstone bridge circuit J1, and operational amplifier TIA and resistance R 4, R13, R14, R15, R16, R17, R18, R19, capacitor C 2, C1 and Wheatstone bridge circuit J1 connect to form the comparison amplifying circuit.Clock chip U4 connects the singlechip CPU microprocessor, enter methane gas detection alarm duty, carrier catalyst element detects the concentration of methane gas in the air at any time, at any time convert above-mentioned concentration signal to electric signal and input to operational amplifier, operational amplifier is passed to the singlechip CPU microprocessor with signal, the singlechip CPU microprocessor is accepted the standard methane gas signal value of memory chip record simultaneously, compares to judge that the buzzer circuit that sends sound light alarming circuit is reported to the police, normal signal.First of the charactron demonstration is zone bit, and the charactron upside-down mounting has radix point in the upper left corner, and 2 seconds are glittering once for detecting normal condition, and cable 3 is 5 core cables; Telepilot is the infrared emission mode, and the selection model is TDS, charactron Shenzhen Rui Mote company of manufacturer.Battery can be selected polymer Li-ion battery, lithium battery, Ni-MH battery, ickel-cadmium cell, lead-acid battery, alkaline battery for use.
Claims (4)
1, a kind of mining intelligent methane warning miner's lamp is by battery case, cable, lamp holder, switch, alarm indication plate and sensing element cavity are formed, in the alarm indication plate wiring board is arranged, wiring board is furnished with control circuit, control circuit is by the circuit working state display circuit, the comparison operation amplifying circuit, Wheatstone bridge circuit, the singlechip CPU microprocessor, sound light alarming circuit and memory storaging chip, sound light alarming circuit has buzzer circuit, conversion function key, carrier catalyst element is connected on the brachium pontis of Wheatstone bridge circuit, it is characterized in that: singlechip CPU microprocessor connecting circuit duty charactron and memory storaging chip are arranged, clock chip, remote-control receiving circuit.
2, a kind of mining intelligent methane warning miner's lamp according to claim 1 is characterized in that: first of the charactron demonstration is zone bit, charactron upside-down mounting.
3, a kind of mining intelligent methane warning miner's lamp according to claim 1 and 2, it is characterized in that: the thin film switch button is installed in the alarm indication plate.
4, a kind of mining intelligent methane warning miner's lamp according to claim 3 is characterized in that: 2.5 volts of voltages of reference voltage source circuit output, cable is 5 core cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320103043 CN2650256Y (en) | 2003-11-10 | 2003-11-10 | Intelligent methane-warning lamp for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320103043 CN2650256Y (en) | 2003-11-10 | 2003-11-10 | Intelligent methane-warning lamp for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2650256Y true CN2650256Y (en) | 2004-10-20 |
Family
ID=34340373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320103043 Expired - Fee Related CN2650256Y (en) | 2003-11-10 | 2003-11-10 | Intelligent methane-warning lamp for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2650256Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868878A (en) * | 2014-03-25 | 2014-06-18 | 成都国科海博信息技术股份有限公司 | Gas detection instrument |
-
2003
- 2003-11-10 CN CN 200320103043 patent/CN2650256Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868878A (en) * | 2014-03-25 | 2014-06-18 | 成都国科海博信息技术股份有限公司 | Gas detection instrument |
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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: 20041020 Termination date: 20091210 |