CN105041376A - JCB4 (B) methane detecting alarm apparatus - Google Patents

JCB4 (B) methane detecting alarm apparatus Download PDF

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Publication number
CN105041376A
CN105041376A CN201510311702.6A CN201510311702A CN105041376A CN 105041376 A CN105041376 A CN 105041376A CN 201510311702 A CN201510311702 A CN 201510311702A CN 105041376 A CN105041376 A CN 105041376A
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CN
China
Prior art keywords
alarm
mining
housing
display
battery component
Prior art date
Application number
CN201510311702.6A
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Chinese (zh)
Inventor
袁立清
Original Assignee
扬中市南方矿用电器有限公司
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Priority to CN201510311702.6A priority Critical patent/CN105041376A/en
Publication of CN105041376A publication Critical patent/CN105041376A/en

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Abstract

The invention relates to an intelligent multifunctional methane detecting device which comprises a detecting alarm apparatus and a gas tap. The detecting alarm apparatus comprises a shell, a battery subassembly and a mining alarm apparatus; an alarm apparatus display window is formed in the shell; the battery subassembly and the mining alarm apparatus are arranged in the shell; the mining alarm apparatus is provided with a display; the display is fixed in the alarm apparatus display window; the gas tap is fixed on the shell and is connected with the mining alarm apparatus through a pipe; and the battery subassembly is in series connection with the mining alarm apparatus. A high-performance sensor, a microcomputer digital technology and novel electronic devices are adopted, and the intelligent multifunctional methane detecting device is stable in performance, accurate in threshold, rapid in reaction and high in precision; a using mode is designed in a humanized manner, and a soft technology is easy to operate and convenient to use; and the intelligent multifunctional methane detecting device is mainly used in places in danger of gas explosion in a coal mine, and a methane detecting range can reach (0.00-100)% CH4.

Description

JCB4 (B) methane detection alarming instrument
Technical field
The present invention relates to a kind of apparatus for determination of gas, particularly JCB4 (B) methane detection alarming instrument.
Background technology
Gas is the accompaniment of coal mining, and gas explosion is one of the disaster in colliery, serious threat, Safety of Coal Mine Production, the emphasis of each coal mining state research of the Ye Shi world today and prevention.The methane analyzer that current colliery uses is mostly portable, the circuit of current known portable methane analyzer by sensing element, amplifying circuit, A/D change-over circuit, single-chip microcomputer, signal output apparatus, sound light alarming circuit, display circuit forms; Can monitor continuously methane concentration.Its shortcoming is sensitivity and poor stability, and the working time is short, is not suitable for mining work under mine, simultaneously less than normal to the detection range of hazardous gas, also just reduces security performance to a certain extent.
Summary of the invention
Technical problem to be solved by this invention provides JCB4 (B) methane detection alarming instrument for above drawback, adopts high-performance sensors, micro computer digital technology and Novel electronic devices, stable performance, and thresholding is accurate, and be swift in response, precision is high; Mode of occupation adopts human oriented design, and soft regulation technology is simple to operate, easy to use, is mainly used in the place having gas explosion danger in colliery, can reaches (0.00-100) %CH to the detection range of methane 4.
For solving the problems of the technologies described above, technical scheme of the present invention is:
JCB4 (B) methane detection alarming instrument, comprise detection alarm instrument and valve, described detection alarm instrument comprises housing, battery component and mining alarm, described battery component comprises the lithium manganate lithium ion battery of series connection mutually, mine lamp protector and thermistor, described lithium manganate lithium ion battery, battery component stationary housing is provided with outside mine lamp protector and thermistor, the thickness of battery component stationary housing is greater than 1mm, described housing is provided with alarm display window, battery component and mining alarm are arranged in housing, mining alarm is provided with display, described display is fixed in alarm display window, valve is fixed on housing, described valve is connected with mining alarm by pipeline, described battery component and mining alarm are in series.
JCB4 (B) methane detection alarming instrument, wherein, described mining alarm comprises casing and is arranged on battery, circuit main board, display and the acousto-optic alarm in casing, described circuit main board comprises carrier catalyst element, sensor, A/D signal adapter, signal amplifier, wave filter and controller, described valve is connected with sensor by pipeline, sensor is connected with A/D signal adapter, signal amplifier, wave filter, carrier catalyst element, controller successively, and controller is connected with acousto-optic alarm with display respectively.
JCB4 (B) methane detection alarming instrument, wherein, described sound and light alarm instrument comprises sound alarm subsystem, light crossing-signal and vibrations alarm, described sound alarm subsystem is the passive buzzer of paster, described light crossing-signal is ceramic paster LED light source, described vibrations alarm is vibrating motor, sound alarm subsystem, light crossing-signal and vibrations alarm synchronous working.
JCB4 (B) methane detection alarming instrument, wherein, described housing is provided with emergency light, is provided with wireless transport module in housing, and described wireless transport module is connected with circuit main board, and emergency light is connected with emergency power supply.
Beneficial effect of the present invention is:
This JCB4 (B) methane detection alarming instrument is at 0.00%CH 4~ 100%CH 4set alarm point arbitrarily in scope, the difference of alarm indication value and setting value is no more than ± 0.05%CH 4, first set the alarm point of CH_4 detection in use, by valve by mining for the air intake in environment alarm, sensor detects the methane gas content in air, the signal of telecommunication is converted thereof into by A/D converter, the signal of telecommunication amplifies through amplifier, after filters filter, signal transmission is detected to carrier catalyst element, again the result of detection is passed in controller, after controller detects that in external environment, methane concentration exceedes alarm point concentration in continuous 5 seconds, cut off the power supply of sensor, to protect sensor, enter sensor intermittent power supply pattern, alarm is read value and is locked in alarm point simultaneously, and flash display mode, until gas density is reduced to after within 4.00% in external environment, exit intermittent power supply pattern, enter real-time detection.
This JCB4 (B) methane detection alarming instrument carries out dual power supply by battery component and battery to mining alarm, battery component can be adopted under normal circumstances to power, and the battery of mining alarm is charged, when after access battery component, the powered battery of automatic cut-out is mining alarm, employing battery component is powered, and after battery component disconnects, then automatically switches to the powered battery of mining alarm.
This JCB4 (B) methane detection alarming instrument is mainly applicable to the place that there is gas explosion danger in colliery, as places such as colliery roadway, getting working face, goaf, return aircourse, belt-conveying tunnel, dynamo-electric chambers, continuous monitoring methane concentration, automatically records every half an hour and stores frame data; When methane content exceeding preset limit, detector sends sound immediately, light is reported to the police, and will automatically record every 10 seconds and store frame data simultaneously.Detector can fix use in above-mentioned place, also can carry with for the cadre that goes into the well, ventilating management personnel, gas management person, the person of blowing out, getting working face staff etc.
Detector adopts high-performance sensors, micro computer digital technology and Novel electronic devices, stable performance, and thresholding is accurate, and be swift in response, precision is high.Mode of occupation adopts human oriented design, and soft regulation technology is simple to operate, easy to use.Detector shell adopts the overall plastic structure of ABS high strength, the keyswitch type electronic thin film switch of adapted high sealing performance, and four red numeral method of high brightness, novel structure, exotic shape, volume is little, lightweight, easy to carry.
Except above-mentioned data automatic recording stores (can read at any time) function, detector also has the multiple utility functions such as clock display, battery operating voltage detection, alarm point (thresholding) display, and the multiple self protective function such as undervoltage warning, under-voltage automatic shutdown, super dense warning, super dense automatic shutdown, thus reach domestic like product top standard.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention.
Fig. 2 is schematic diagram of the present invention.
Fig. 3 is inventive shell sectional view.
Fig. 4 is lower house top view of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
JCB4 (B) methane detection alarming instrument as shown in the figure, comprise detection alarm instrument 1 and valve 2, described detection alarm instrument 1 comprises housing 3, battery component 4 and mining alarm 5, described battery component 4 comprises the lithium manganate lithium ion battery 6 of series connection mutually, mine lamp protector 7 and thermistor 8, described lithium manganate lithium ion battery 6, battery component stationary housing 9 is provided with outside mine lamp protector 7 and thermistor 8, the thickness of battery component stationary housing 9 is greater than 1mm, described housing 3 is provided with alarm display window 10, battery component 4 and mining alarm 5 are arranged in housing 3, mining alarm 5 is provided with display 11, described display 11 is fixed in alarm display window 10, valve 2 is fixed on housing 3, described valve 2 is connected with mining alarm 5 by pipeline, described battery component 4 is in series with mining alarm 5.
Battery 13, circuit main board 14, display 11 and acousto-optic alarm 16 that described mining alarm 5 comprises casing 12 and is arranged in casing 12, described circuit main board 14 comprises carrier catalyst element 17, sensor 18, A/D signal adapter 19, signal amplifier 20, wave filter 21 and controller 22, described valve 2 is connected with sensor 18 by pipeline, sensor 18 is connected with A/D signal adapter 19, signal amplifier 20, wave filter 21, carrier catalyst element 17, controller 22 successively, and controller 22 is connected with acousto-optic alarm 16 with display 11 respectively;
Described sound and light alarm instrument 16 comprises sound alarm subsystem 23, light crossing-signal 24 and vibrations alarm 25, described sound alarm subsystem 24 is the passive buzzer of paster, described light crossing-signal 24 is ceramic paster LED light source, described vibrations alarm 25 is vibrating motor, sound alarm subsystem 23, light crossing-signal 24 and vibrations warning 25 device synchronous working;
Described housing 3 is provided with emergency light 26, is provided with wireless transport module 27 in housing 3, and described wireless transport module 27 is connected with controller 22, and emergency light 26 is connected with emergency power supply 28.
Described housing 3 comprises upper shell 30, lower house 31 and side backplate 32, described lower house 31 is the uncovered box body structure of hollow, two sidewalls 33 of lower house 31 are respectively equipped with 3 buckling grooves 34, buckling groove 34 is rectangular structure, and two sidewall 33 external surfaces of described lower house are respectively equipped with a first side backplate chute 35;
Described upper shell 30 is provided with 6 clamping 36, described 6 clamping 36 with the formal distribution of 3*2 on upper shell 30, 6 clamping 36 and buckling groove 34 one_to_one corresponding on lower house, described clamping 36 comprises the clip-connecting rod 37 that two axial symmetry are arranged, gap 38 is provided with between two clip-connecting rods 37, the width of described clamping 36 is L1, the width of buckling groove 34 is L2, 1.02*L2≤L1≤1.05*L2, described clip-connecting rod 37 is rectangular structure, clip-connecting rod 37 is provided with skewed slot 38 with the link of upper shell 30, angle a between skewed slot 38 and upper shell 30 is 75-85 °, the external surface of described upper shell 30 is provided with two second side backplate chutes 39,
Described side backplate 32 is cuboid sheet material, the height H 3 of the height H 2+ lower house 31 of the height H 1=upper shell 30 of side backplate 32, described side backplate 32 is provided with the first card article 40 and the second card article 41, first card article 40 and first side backplate chute 35 interference fit, second card article 41 and second side backplate chute 39 interference fit, described upper shell and lower house are linked into an integrated entity by the wedging function of buckling groove 34 with clamping 36, the quantity of described side backplate 32 is two, the both sides being fixed on upper shell 30 and lower house 31 snap-in respectively.
At this, each parts of housing all do not adopt metal material, but but well can play the fixing effect of sealing, and use under ore deposit, security performance is high, good stability, ensure that the personal safety of user.
The technical data of JCB4 (B) methane detection alarming instrument of the present embodiment is as follows:
1, environment for use condition:
Operating temperature: (0 ~ 40) DEG C;
Relative humidity :≤98% (25 DEG C);
Storage temperature: (-40 ~ 60) DEG C;
Air pressure: (80 ~ 106) kPa;
Wind speed :≤8m/s;
There is the underground coal mine of methane or coal dust explosion hazard;
2, display mode: four emitting red light numerical monitor
3, resolution ratio: 0.01%CH 4;
4, working method: diffusion type;
5, methane moiety:
(1), measurement category: (0.00 ~ 4.00) %CH 4;
(2), measure error: 0.00 ~ 1.00%CH 4time ,≤± 0.10%CH 4; 1.00 ~ 3.00%CH 4time, true value ± 10%; 3.00 ~ 4.00%CH 4time ,≤± 0.30%CH 4;
(3), the response time :≤20s;
(4), overload alarm function:
A, alarm range: alarm point can at 0.50 ~ 4.00%CH 4in scope, (Default Value is at 1.00%CH in any setting 4), can carry out at any time checking or adjusting;
B, warning error :≤± 0.10%CH 4;
C, type of alarm: red numerical flash of light, alarm song are also with vibrations;
D, warning sound level intensities: >=80dB;
(5), probe life-span: > 1 year;
6, clock part:
(1), standard: 24 hours systems;
(2), displaying contents: hour, point;
(3), error :≤± 1 minute/24 hours (can manual correction);
7, battery operating voltage part:
(1), measurement category: 3.10V ~ 5.00V;
(2), measure error :≤± 0.05V;
(3), display mode: show magnitude of voltage after E word;
8, the automatic record of data memory function:
(1), record format: time m-methane concentration;
(2), storage mode: when not reporting to the police, automatically record every half an hour and store frame data; During warning, automatically record every 10 seconds and store frame data;
(3), memory capacity: 120 frames (increase-volume can be required according to user);
9, soft regulatory function:
(1), regulative mode: button;
(2), regulate content zero point, correct;
10, undervoltage warning and under-voltage automatic shut-off function:
During battery operating voltage E < 3.10V, there is P1.00, acoustic alarm simultaneously, automatic shutdown after 2 seconds;
11, super dense warning and super dense automatic shut-off function:
During methane concentration >=5.00%CH4, numeral is flashed, automatic shutdown after 2 seconds;
12, once charge stream time: > 10 hours;
13, battery pack charge lifetimes: > 500 times;
14, complete machine operating current: running current: 130mA, (during warning 170mA);
15, battery component:
Rated voltage Ue:3.6V;
Maximum output voltage Uo:4.0V;
Maximum output current Io:3.6A.
16, type of explosion proof construc tion: mining intrinsic safety is held concurrently flame-proof type;
17, explosion-proof mark: Exibd I;
18, appearance and size: 100 × 56 × 24 (mm);
19, weight :≤200g;
20, wireless transport module:
(1), communication modes: amplitude modulation AM;
(2), operating frequency: 315MHZ;
(3), frequency stability: ± 75KHZ;
(4), transmitting power :≤500mW;
(5), quiescent current :≤0.1UA;
(6), emission current: 3 ~ 50mA;
(7), operating voltage: DC3.7V.
This suspending type methane determinator is at 0.00%CH 4~ 100%CH 4set alarm point arbitrarily in scope, the difference of alarm indication value and setting value is no more than ± 0.05%CH 4, first set the alarm point of CH_4 detection in use, by valve by mining for the air intake in environment alarm, sensor detects the methane gas content in air, the signal of telecommunication is converted thereof into by A/D converter, the signal of telecommunication amplifies through amplifier, after filters filter, signal transmission is detected to carrier catalyst element, again the result of detection is passed in controller, after controller detects that in external environment, methane concentration exceedes alarm point concentration in continuous 5 seconds, cut off the power supply of sensor, to protect sensor, enter sensor intermittent power supply pattern, alarm is read value and is locked in alarm point simultaneously, and flash display mode, until gas density is reduced to after within 4.00% in external environment, exit intermittent power supply pattern, enter real-time detection.
This suspending type methane determinator carries out dual power supply by battery component and battery to mining alarm, battery component can be adopted under normal circumstances to power, and the battery of mining alarm is charged, when after access battery component, the powered battery of automatic cut-out is mining alarm, employing battery component is powered, and after battery component disconnects, then automatically switches to the powered battery of mining alarm.
In sum, the present invention adopts the electronic warning instrument of carrier catalysis principle, embedded microcontroller Based Intelligent Control, numeral method, be mainly used in carrying out CH_4 detection and warning at the underground coal mine of the danger with explosive mist, detection range is extensive, more safe and reliable.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.

Claims (4)

1. intelligent multifunction methane analyzer, it is characterized by, comprise detection alarm instrument and valve, described detection alarm instrument comprises housing, battery component and mining alarm, described battery component comprises the lithium manganate lithium ion battery of series connection mutually, mine lamp protector and thermistor, described lithium manganate lithium ion battery, battery component stationary housing is provided with outside mine lamp protector and thermistor, the thickness of battery component stationary housing is greater than 1mm, described housing is provided with alarm display window, battery component and mining alarm are arranged in housing, mining alarm is provided with display, described display is fixed in alarm display window, valve is fixed on housing, described valve is connected with mining alarm by pipeline, described battery component and mining alarm are in series.
2. intelligent multifunction methane analyzer as claimed in claim 1, it is characterized by, described mining alarm comprises casing and is arranged on the battery in casing, circuit main board, display and acousto-optic alarm, described circuit main board comprises carrier catalyst element, sensor, A/D signal adapter, signal amplifier, wave filter and controller, described valve is connected with sensor by pipeline, sensor successively with A/D signal adapter, signal amplifier, wave filter, carrier catalyst element, controller is connected, controller is connected with acousto-optic alarm with display respectively.
3. intelligent multifunction methane analyzer as claimed in claim 2, it is characterized by, described sound and light alarm instrument comprises sound alarm subsystem, light crossing-signal and vibrations alarm, described sound alarm subsystem is the passive buzzer of paster, described light crossing-signal is ceramic paster LED light source, described vibrations alarm is vibrating motor, sound alarm subsystem, light crossing-signal and vibrations alarm synchronous working.
4. intelligent multifunction methane analyzer as claimed in claim 1, it is characterized by, described housing is provided with emergency light, is provided with wireless transport module in housing, and described wireless transport module is connected with circuit main board, and emergency light is connected with emergency power supply.
CN201510311702.6A 2015-06-10 2015-06-10 JCB4 (B) methane detecting alarm apparatus CN105041376A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201464447U (en) * 2009-04-21 2010-05-12 上海坤嘉自动化科技有限公司 Methane sensor used for colliery
CN202281761U (en) * 2011-11-10 2012-06-20 陕西斯达煤矿安全装备有限公司 Low-concentration methane sensor
CN202500609U (en) * 2011-12-29 2012-10-24 陈玉梁 Intelligent type digital display methane alarm head lamp
CN103592205A (en) * 2013-11-20 2014-02-19 中国石油大学(华东) Device and method for testing diffusion coefficient of chemical potential in mudstone
CN203477925U (en) * 2013-08-21 2014-03-12 天地(常州)自动化股份有限公司 Intrinsic safety type informatization mine lamp
CN203659949U (en) * 2013-11-12 2014-06-18 晋城市沁明科技有限公司 Novel miner lamp battery box
CN204216622U (en) * 2014-11-20 2015-03-18 江西赣锋电池科技有限公司 Movable power shell and be provided with the portable power source of this shell
CN204960978U (en) * 2015-06-10 2016-01-13 扬中市南方矿用电器有限公司 JCB4 (B) methane detecting alarm device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201464447U (en) * 2009-04-21 2010-05-12 上海坤嘉自动化科技有限公司 Methane sensor used for colliery
CN202281761U (en) * 2011-11-10 2012-06-20 陕西斯达煤矿安全装备有限公司 Low-concentration methane sensor
CN202500609U (en) * 2011-12-29 2012-10-24 陈玉梁 Intelligent type digital display methane alarm head lamp
CN203477925U (en) * 2013-08-21 2014-03-12 天地(常州)自动化股份有限公司 Intrinsic safety type informatization mine lamp
CN203659949U (en) * 2013-11-12 2014-06-18 晋城市沁明科技有限公司 Novel miner lamp battery box
CN103592205A (en) * 2013-11-20 2014-02-19 中国石油大学(华东) Device and method for testing diffusion coefficient of chemical potential in mudstone
CN204216622U (en) * 2014-11-20 2015-03-18 江西赣锋电池科技有限公司 Movable power shell and be provided with the portable power source of this shell
CN204960978U (en) * 2015-06-10 2016-01-13 扬中市南方矿用电器有限公司 JCB4 (B) methane detecting alarm device

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