CN201992539U - Intelligent gas alarm mine lamp - Google Patents
Intelligent gas alarm mine lamp Download PDFInfo
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- CN201992539U CN201992539U CN2011200552225U CN201120055222U CN201992539U CN 201992539 U CN201992539 U CN 201992539U CN 2011200552225 U CN2011200552225 U CN 2011200552225U CN 201120055222 U CN201120055222 U CN 201120055222U CN 201992539 U CN201992539 U CN 201992539U
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Abstract
The utility model relates to an intelligent gas alarm mine lamp which comprises a shell and a control circuit arranged in the shell, wherein the shell is provided with a mine lamp and a mine lamp switch, the mine lamp is mainly characterized in that the control circuit is formed by connecting a power, a gas detection circuit, an alarm control circuit and a voice alarm circuit, the mine lamp and the mien lamp switch in series connection are connected at two ends of the power, the gas detection circuit and the voice alarm circuit are connected at two ends of the power in parallel, the output end of the gas detection circuit is connected with the alarm control circuit, and the output end of the alarm control circuit is connected with the voice alarm circuit so as to control the switch of the voice alarm circuit. The intelligent gas alarm mine lamp has reasonable design, solves the problem of low sensitivity, unstable property and the like, can play a normal role, has the advantages of high sensitivity, safety and reliability, high illumination, long service life, small volume, light weight, portability, non-pollution and the like, and can be widely used in mine operation.
Description
Technical field
The utility model belongs to gas and detects control field, especially a kind of intelligent gas warning miner's lamp.
Background technology
Gas warning head lamp is meant and has added the gas alarming device on mine lamp, is about to the gas alarming device and is installed in the mine lamp, and when gas exceeding limit, the gas alarming device can be reported to the police with sound, light or digital display format.The subject matter that existing gas warning head lamp exists is: 1, the gas alarming device wrong report often occurs or fails to report situation the less stable of gas detection, can not bring into play its normal effect; 2, gas alarm circuit adopts the lead-acid accumulator power supply, because the storage battery power supply time is short, volume is big, causes the inconvenience of use; 3, mine lamp adopts thermal light sources such as incandescent lamp, and its illuminance is relatively poor, service life is low, and has potential safety hazard.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of stable performance, easy to use, long service life and safe and reliable intelligent gas warning miner's lamp are provided.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of intelligent gas warning miner's lamp, comprise housing and inner control circuit thereof, mine lamp and ore light button are installed on housing, mine lamp and ore light button are cascaded, control circuit is by power supply, the gas testing circuit, alarm control circuit and sound warning circuit connect and compose, the mine lamp that is cascaded, ore light button is connected the two ends of power supply, the gas testing circuit, the audible alarm circuit is connected in parallel on the two ends of power supply, the output and the alarm control circuit of described gas testing circuit link together, and the output of alarm control circuit is connected with the audible alarm circuit and is used to control the switch of sound warning circuit.
And described gas testing circuit is made up of gas sensor, resistance R 1, and described resistance R 1 is connected on the fire end of gas sensor, and the output of described gas sensor is connected with alarm control circuit.
And, also be connected a potentiometer RP between the output of described gas sensor and the alarm control circuit.
And described gas sensor adopts QM-N5 type gas sensor.
And described alarm control circuit is MCR100-6 IGCT or BT169 IGCT.
And, described audible alarm circuit is made up of sound effect integrated circuit IC, transistor V and loudspeaker BL, the control end of this sound effect integrated circuit IC is connected with alarm control circuit, the output of sound effect integrated circuit IC is connected with the base stage of transistor V, and the colelctor electrode of transistor V is connected with loudspeaker BL.
And described sound effect integrated circuit IC adopts KD9561 type four tones of standard Chinese pronunciation simulation sound effect integrated circuit.
And what described mine lamp adopted is the LED lamp.
And described power supply is a lithium battery.
Advantage of the present utility model and good effect are:
1, this warning mine lamp adopts gas sensor that gas density is detected, because gas sensor has highly sensitive characteristics, can the methane gas of colorless and odorless effectively be detected, when surpassing alarming value, gas density can pass through audible alarm immediately, solved that sensitivity is low, the problem of unstable properties, made the effect that warning miner's lamp can be brought into normal play.
2, this warning mine lamp employing semiconductor devices is main low power consumpting controling circuit, by lithium battery is that the lead-acid accumulator of alternative heaviness is the control circuit power supply, guaranteed long power reguirements, and the lithium battery volume is little, in light weight and the charging convenient, alleviated miner's work load effectively, be easy to carry and use, simultaneously, also avoided lead-acid accumulator to bring pollution, helped to improve human environment to environment.
3, this warning mine lamp uses the LED lamp as illuminating lamp, its lighting illumination intensity surpasses 2300Lux, range reaches 100 meters, satisfied the requirement of high-quality illumination, and, the LED lamp has guaranteed middle in working order only 60 ℃ of the maximum temperatures (former old mine lamp light bulb filament temperature is at 2000 ℃～2500 ℃) of mine lamp as a kind of cold light source, also can not cause gas explosion even the LED lamp is crashed to pieces in the down-hole, improves the security performance of warning miner's lamp.
4, the utility model is reasonable in design, problems such as sensitivity is low, unstable properties have been solved, make the effect that warning miner's lamp can be brought into normal play, have highly sensitive, safe and reliable, illumination is high, the life-span is long, volume is little, in light weight, carry conveniently, advantage such as pollution-free, can be widely used in mine operation.
Description of drawings
Fig. 1 is that control circuit of the present utility model connects block diagram;
Fig. 2 is control circuit figure of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described:
A kind of intelligent gas warning miner's lamp, as shown in Figure 1, comprise housing and inner control circuit thereof, mine lamp and ore light button are installed on housing, mine lamp and ore light button are cascaded, what described mine lamp adopted is the LED lamp, the control circuit of enclosure interior is by power supply, the gas testing circuit, alarm control circuit and sound warning circuit connect and compose, power supply adopts lithium battery and is the gas testing circuit, alarm control circuit and the power supply of sound warning circuit, the mine lamp that is cascaded, ore light button is connected the two ends of power supply, the gas testing circuit, the audible alarm circuit is connected in parallel on the two ends of power supply, gas density around described gas testing circuit can detect, the output and the alarm control circuit of this gas testing circuit link together, the output of alarm control circuit is connected with the audible alarm circuit and is used to control the switch of sound warning circuit, when gas density surpasses alarming value, the output of gas testing circuit is also controlled the sound warning circuit by alarm control circuit and is worked, and produces alarm sound.
As shown in Figure 2, gas testing circuit in the control circuit is made up of gas sensor, resistance R 1 and potentiometer RP, the output of gas sensor is connected with the input of alarm control circuit by potentiometer RP, by adjusting the resistance of potentiometer RP, can also change the sensitivity of gas sensor.Described gas sensor adopts QM-N5 type gas sensor, and this gas sensor belongs to the N-type semiconductor element, has characteristics such as highly sensitive, good stability, response and recovery time be short, can detect effectively methane gas.Alarm control circuit adopts MCR100-6 or BT169 type IGCT, and the gate pole of this IGCT is connected with the output of gas testing circuit.The audible alarm circuit is made up of sound effect integrated circuit IC, resistance R 2, transistor V and loudspeaker BL, the control end of this sound effect integrated circuit IC is connected with the positive pole of IGCT, its output is connected with the base stage of transistor V, the colelctor electrode of transistor V is connected with loudspeaker BL, sound effect integrated circuit IC adopts KD9561 type four tones of standard Chinese pronunciation simulation sound effect integrated circuit, and this loudspeaker BL adopts the ultrathin dynamic speaker of 0.25W, 8 Ω.The operation principle of control circuit is: when gas density is lower than the safety standard of qualification in mine, a, the conductance between the b of gas sensor are lower, the b point is a low level, and do cut-off state sound effect integrated circuit IC and do not work at IGCT VT place, and loudspeaker BL is sounding not.When gas gas concentration in the mine surpasses the safety standard that limits, conductance increases between a of gas sensor, b, the b point voltage is risen, at this moment, IGCT VT is triggered and conducting, the sound effect integrated circuit IC work of switching on, the audio signal of telecommunication of its output drive loudspeaker BL and send chimes of doom after transistor V amplifies.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the specific embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (9)
1. intelligent gas warning miner's lamp, comprise housing and inner control circuit thereof, mine lamp and ore light button are installed on housing, mine lamp and ore light button are cascaded, it is characterized in that: control circuit is by power supply, the gas testing circuit, alarm control circuit and sound warning circuit connect and compose, the mine lamp that is cascaded, ore light button is connected the two ends of power supply, the gas testing circuit, the audible alarm circuit is connected in parallel on the two ends of power supply, the output and the alarm control circuit of described gas testing circuit link together, and the output of alarm control circuit is connected with the audible alarm circuit and is used to control the switch of sound warning circuit.
2. intelligent gas warning miner's lamp according to claim 1, it is characterized in that: described gas testing circuit is made up of gas sensor, resistance R 1, described resistance R 1 is connected on the fire end of gas sensor, and the output of described gas sensor is connected with alarm control circuit.
3. intelligent gas warning miner's lamp according to claim 2 is characterized in that: also be connected a potentiometer RP between the output of described gas sensor and the alarm control circuit.
4. want 2 or 3 described intelligent gas warning miner's lamps according to right, it is characterized in that: described gas sensor adopts QM-N5 type gas sensor.
5. intelligent gas warning miner's lamp according to claim 1 is characterized in that: described alarm control circuit is MCR100-6 IGCT or BT169 IGCT.
6. intelligent gas warning miner's lamp according to claim 1, it is characterized in that: described audible alarm circuit is made up of sound effect integrated circuit IC, transistor V and loudspeaker BL, the control end of this sound effect integrated circuit IC is connected with alarm control circuit, the output of sound effect integrated circuit IC is connected with the base stage of transistor V, and the colelctor electrode of transistor V is connected with loudspeaker BL.
7. intelligent gas warning miner's lamp according to claim 6 is characterized in that: described sound effect integrated circuit IC adopts KD9561 type four tones of standard Chinese pronunciation simulation sound effect integrated circuit.
8. intelligent gas warning miner's lamp according to claim 1 is characterized in that: what described mine lamp adopted is the LED lamp.
9. intelligent gas warning miner's lamp according to claim 1 is characterized in that: described power supply is a lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200552225U CN201992539U (en) | 2011-03-04 | 2011-03-04 | Intelligent gas alarm mine lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200552225U CN201992539U (en) | 2011-03-04 | 2011-03-04 | Intelligent gas alarm mine lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992539U true CN201992539U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200552225U Expired - Fee Related CN201992539U (en) | 2011-03-04 | 2011-03-04 | Intelligent gas alarm mine lamp |
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| CN (1) | CN201992539U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797502A (en) * | 2012-08-07 | 2012-11-28 | 哈尔滨东方报警设备开发有限公司 | Multidirectional audible and visual alarm control method |
| CN102797501A (en) * | 2012-08-07 | 2012-11-28 | 哈尔滨东方报警设备开发有限公司 | Wireless portable gas detection alarm control method |
| CN104780673A (en) * | 2015-03-31 | 2015-07-15 | 苏州华徕光电仪器有限公司 | Miner's lamp control circuit with gas out-of-limit alarm function |
| WO2017177983A1 (en) * | 2016-04-15 | 2017-10-19 | 中国科学院过程工程研究所 | Alarm circuit of gas-sensitive sensor |
-
2011
- 2011-03-04 CN CN2011200552225U patent/CN201992539U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797502A (en) * | 2012-08-07 | 2012-11-28 | 哈尔滨东方报警设备开发有限公司 | Multidirectional audible and visual alarm control method |
| CN102797501A (en) * | 2012-08-07 | 2012-11-28 | 哈尔滨东方报警设备开发有限公司 | Wireless portable gas detection alarm control method |
| CN104780673A (en) * | 2015-03-31 | 2015-07-15 | 苏州华徕光电仪器有限公司 | Miner's lamp control circuit with gas out-of-limit alarm function |
| WO2017177983A1 (en) * | 2016-04-15 | 2017-10-19 | 中国科学院过程工程研究所 | Alarm circuit of gas-sensitive sensor |
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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: 20110928 Termination date: 20130304 |