CN105181904A - CJT-4/1000 methane and carbon monoxide detection alarm instrument - Google Patents
CJT-4/1000 methane and carbon monoxide detection alarm instrument Download PDFInfo
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- CN105181904A CN105181904A CN201510647444.9A CN201510647444A CN105181904A CN 105181904 A CN105181904 A CN 105181904A CN 201510647444 A CN201510647444 A CN 201510647444A CN 105181904 A CN105181904 A CN 105181904A
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- carbon monoxide
- methane
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- power supply
- transducer
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Abstract
The invention relates to a CJT-4/1000 methane and carbon monoxide detection alarm instrument. A warning lamp port and a sound window are arranged on a convex surface of a casing cover of the instrument, and an observation port and key ports are formed in a concave surface; a methane gas inlet and a carbon monoxide gas inlet are formed in the top of a casing box; an emergency lamp port, an emergency lamp switch and a power charging port are formed in the side surface of the casing box; a methane sensor, a carbon monoxide sensor, a control circuit board, a power supply, an emergency lamp and an emergency lamp power supply are arranged in the casing box; alarms, a display panel, keys, a wireless transceiving module, a data storage device and a single chip microcomputer are arranged on the control circuit board; the alarms comprise a light alarm, a sound alarm and a vibration alarm. The CJT-4/1000 methane and carbon monoxide detection alarm instrument has the characteristics of multiple functions, light mass, small size, high sensitivity and high stability and can realize mobile and portable type detection and alarm of methane and carbon monoxide gas of underground coal mine.
Description
Technical field
The present invention relates to CJT-4/1000 methane Carbon Monoxide Detection alarm, belong to gas testing device technical field.
Background technology
The inflammable gas such as methane, carbon monoxide is easily produced under coal mine operating environment, can blast after this kind of gas exceedes certain limit, jeopardize personnel in the pit's safety, therefore the dual-purpose monitoring alarm instrument of a kind of methane carbon monoxide measurer is proposed, methane carbonomonoxide concentration can be detected, realize after threshold value reporting to the police, effectively prevent security incident.
Existing multiple patent proposes methane Carbon Monoxide Detection alarm at present, as patent CN204269536U proposes a kind of portable methane carbon monoxide measurer, adopt infrared detection head to be air-sensitive original paper, manufacturing cost is high, machining precision is high, is difficult to application in the device of colliery; Patent CN103529089A proposes a kind of Wearable type methane carbon monoxide measurer, and module composition structure is unintelligible; Patent CN202486085U proposes a kind of methane carbon monoxide measurer, and circuit structure is complicated; There is sensitivity and poor stability, functional single, device volume is large, the working time is short shortcoming more in these detection alarm instrument, be not suitable for mobile portable type mining work under mine, simultaneously less than normal to the sensing range of hazardous gas, also just reduce security performance to a certain extent.
Summary of the invention
The object of the invention is the defect for prior art, CJT-4/1000 methane Carbon Monoxide Detection alarm is provided, have the advantages that function is many, quality is light, volume is little, highly sensitive, stability is high, the testing and alarm of mobile portable type underground coal mine methane and CO gas can be realized.
The present invention is achieved by the following technical solutions.
CJT-4/1000 methane Carbon Monoxide Detection alarm, comprise casing, described casing is ABS engineering plastics materials, the length of described casing, be respectively L, D, H, described L=105mm, described D=54mm, described H=20mm, described casing comprises cabinet cover and casing box, described cabinet cover and casing box with the use of, be provided with sealing gasket between described cabinet cover and casing box, described cabinet cover has convex surface and concave surface, described convex surface is provided with warning socket and sound window, and described concave surface is provided with observation panel and button mouth, described casing box top is provided with methane air intake opening, carbon monoxide air intake opening, methane admission piece is provided with in described methane air intake opening, be provided with carbon monoxide admission piece in described carbon monoxide air intake opening, described casing box side is provided with emergent socket, emergency light switch and power source charges mouth, methane transducer is provided with in described casing box, carbon monoxide transducer, control circuit board, power supply, charging assembly, emergency light and emergency light power supply, described methane transducer is connected with methane admission piece, described carbon monoxide transducer is connected with carbon monoxide admission piece, described methane transducer and carbon monoxide transducer are all connected with A/D converter, described A/D converter is connected with amplified filter, described amplified filter is connected with control circuit board, and described control circuit board is provided with alarm, display board, button, radio receiving transmitting module, data-carrier store and single-chip microcomputer, described alarm comprises light crossing-signal, sound alarm subsystem and vibrations alarm, described light crossing-signal is arranged at warning socket place, described sound alarm subsystem is arranged at sound window place, described vibrations alarm is vibrating motor, be placed in casing box corner place, described display board is arranged at observation panel place, and described button is arranged at button mouth place, described power supply is connected with control circuit board, is realized methane transducer by control circuit board, carbon monoxide transducer, A/D converter, amplified filter, radio receiving transmitting module, data-carrier store, single-chip microcomputer, display, supply with the power supply of alarm, described emergency light is arranged at emergent socket place, and described emergency light is connected with emergency light switch with emergency light power supply respectively, and described emergency light power supply is connected with emergency light switch, described power supply and emergency light power supply relatively independent, and be intrinsic safety electric source.
Above-mentioned CJT-4/1000 methane Carbon Monoxide Detection alarm, wherein, described methane transducer and carbon monoxide transducer are carrier catalyst element, and the methane concentration measurement range of described methane transducer is 0.00 ~ 4.00%CH
4, the carbonomonoxide concentration measurement range of described carbon monoxide transducer is 0 ~ 1000 × 10
-6cO concentration.
Above-mentioned CJT-4/1000 methane Carbon Monoxide Detection alarm, wherein, described display board comprises model displaying block, date displaying block, electricity displaying block, explosion-proof mark displaying block, numerical value displaying block, gas title displaying block and time showing block.
Above-mentioned CJT-4/1000 methane Carbon Monoxide Detection alarm, wherein, described button is keyswitch type electronic thin film switch, and described button comprises that switch adds key, voltage subtracts key, return key and calibration acknowledgement key, and described button is square profile.
Above-mentioned CJT-4/1000 methane Carbon Monoxide Detection alarm, wherein, charging assembly comprises plug, slide bar and chute, and described plug is connected with slide bar with power supply, described plug end corresponding power charge port.
Above-mentioned CJT-4/1000 methane Carbon Monoxide Detection alarm, wherein, be sheathed with leather sheath outside described casing, described leather sheath is provided with faciola.
Beneficial effect of the present invention is:
The present invention is at methane: set alarm set point arbitrarily in the scope of 0.50% ~ 2.50%, and the difference of alarm indication value and setting value is no more than ± and 0.05%, at carbon monoxide: (0 ~ 1000) × 10
-6alarm set point is set arbitrarily in the scope of CO, the difference of alarm indication value and setting value is no more than ± and 1 × 10
-6, first set the alarm set point of methane and carbon monoxide in use, air intake opening by valve by the air intake analyzer in environment, methane transducer and carbon monoxide transducer detect methane in air and carbon monoxide gas body burden, voltage signal will be sent, voltage signal converts thereof into digital signal by A/D converter, digital signal is amplified through amplified filter, be sent to circuit main board, digital processing is carried out through single-chip microcomputer, feedback digital signal is in circuit main board, driving display demonstrates tested methane and carbon monoxide concentration of volume percent numerical value, analyzer was interposed between methane between 5 seconds, automatically switch between carbon monoxide, 0.00 ~ 4.00%CH can be realized
4with 0 ~ 1000 × 10
-6the measurement of CO, and can show on the occasion of or negative value, when methane and carbonomonoxide concentration reach alarming value, single-chip microcomputer exports control signal immediately, control alarm through circuit main board to give the alarm, sound alarm subsystem, light crossing-signal, vibrations alarm synchronously send buzzing, flash of light and vibrations, simultaneously numeral method red numerical flashing,
Circuit main board of the present invention is configured with data-carrier store and radio receiving transmitting module simultaneously, when night watching, survey data and can be recorded in data-carrier store, when night watching, radio receiving transmitting module does not work, until night watching terminates, during charging, radio receiving transmitting module is opened, and automatically and Patrol Terminal carry out wireless connections, upload the night watching data of preservation; After data end of transmission, close radio receiving transmitting module, detection alarm instrument enters charging off-mode; Emergency light realizes dark emergency light source, down-hole.
Power supply of the present invention and emergency light power supply are intrinsic safety electric source, explosion-proof and have DC voltage-stabilizing, additives for overcharge protection voltage protection, over voltage protection, short-circuit protection function, more safety and stability at underground coal mine.
Casing material of the present invention is ABS engineering plastics materials, and quality is light, and volume is little, does not use, and can be placed in supporting leather sheath faciola and carry.
In sum, the present invention possesses the functions such as data storage, time showing, emergency lighting, wireless transmission, vibrations warning, have the advantages that function is many, quality is light, volume is little, highly sensitive, stability is high, the testing and alarm of mobile portable type underground coal mine methane and CO gas can be realized.
Accompanying drawing explanation
Fig. 1 is that the present invention removes structural representation after cabinet cover.
Fig. 2 is casing front view of the present invention.
Fig. 3 is casing left view of the present invention.
Fig. 4 is casing upward view of the present invention.
Fig. 5 is fundamental diagram of the present invention.
Fig. 6 is leather case structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
CJT-4/1000 methane Carbon Monoxide Detection alarm, comprise casing 47, described casing 47 is ABS engineering plastics materials, described casing 47 is provided with some depressions 9, the length of described casing 47, wide, high, be respectively L, D, H, described L=105mm, described D=54mm, described H=20mm, described casing 47 comprises cabinet cover 41 and casing box 38, described cabinet cover 41 and casing box 38 with the use of, sealing gasket 46 is provided with between described cabinet cover 41 and casing box 38, described cabinet cover 41 has convex surface 39 and concave surface 40, described convex surface 39 is provided with warning socket 42 and sound window 43, described concave surface 40 is provided with observation panel 44 and button mouth 45, described casing box 38 top is provided with methane air intake opening 2, carbon monoxide air intake opening 20, methane admission piece 1 is provided with in described methane air intake opening 2, be provided with carbon monoxide admission piece 19 in described carbon monoxide air intake opening 20, described casing box 38 side is provided with emergent socket 48, emergency light switch 8 and power source charges mouth 49, methane transducer 3 is provided with in described casing box 38, carbon monoxide transducer 21, control circuit board 36, power supply 37, charging assembly 18, emergency light 6 and emergency light power supply 7, described methane transducer 3 and carbon monoxide transducer 21 are carrier catalyst element, described methane transducer 3 is connected with methane admission piece 1, described carbon monoxide transducer 21 is connected with carbon monoxide admission piece 19, described methane transducer 3 is all connected with A/D converter 4 with carbon monoxide transducer 19, described A/D converter 4 is connected with amplified filter 5, described amplified filter 5 is connected with control circuit board 36, described control circuit board 36 is provided with alarm 25, display board 33, button 14, radio receiving transmitting module 34, data-carrier store 52 and single-chip microcomputer 35, described alarm 25 comprises light crossing-signal 23, sound alarm subsystem 24 and vibrations alarm 22, described light crossing-signal 23 is arranged at warning socket 42 place, described sound alarm subsystem 24 is arranged at sound window 43 place, described vibrations alarm 22 is vibrating motor, be placed in casing box 38 4 jiaos of places, described display board 33 is arranged at observation panel 44 place, described display board 33 comprises model displaying block 29, date displaying block 28, electricity displaying block 27, explosion-proof mark displaying block 26, numerical value displaying block 30, gas title displaying block 32 and time showing block 31, described numerical value displaying block 30 shows four figures value, the methane of described gas title displaying block 32 show percent volumetric concentration and carbon monoxide, described button 14 is arranged at button mouth 45 place, described button 14 is keyswitch type electronic thin film switch, described button comprises switch and adds key 13, voltage subtracts key 10, return key 11 and calibration acknowledgement key 12, described button 14 is in square profile, described power supply 37 is connected with control circuit board 36, realize methane transducer 3 by control circuit board 36, carbon monoxide transducer 21, A/D converter 4, amplified filter 5, radio receiving transmitting module 34, data-carrier store 52, single-chip microcomputer 35, display 36, supply with the power supply of alarm 25, described charging assembly 18 comprises plug 16, slide bar 15 and chute 17, described plug 15 is connected with slide bar 15 with power supply 37, described plug 16 end corresponding power charge port 49, described slide bar 15 is placed in chute 17 and realizes plug 15 and slide, described emergency light 6 is arranged at emergent socket 48 place, described emergency light 6 is connected with emergency light 8 switch with emergency light power supply 7 respectively, described emergency light power supply 7 is connected with emergency light switch 8, described power supply 37 is relatively independent with emergency light power supply 7, and be intrinsic safety electric source, leather sheath 51 is sheathed with outside described casing 47, described leather sheath 51 is provided with faciola 50.
The technical parameter of the CJT-4/1000 methane Carbon Monoxide Detection alarm of the present embodiment is as follows:
1, environment for use condition: temperature: (0 ~ 40) DEG C; Humidity: < 98% (+25 DEG C); Atmospheric pressure: (80 ~ 116) kPa; Wind speed: (0 ~ 8) m/s; There iing the underground coal mine of methane, coal dust explosion potpourri; Storage temperature is (-40 ~+60) DEG C;
2, measurement range: (1), methane: (0.00 ~ 4.00) %CH
4; (2), carbon monoxide: (0 ~ 1000) × 10
-6cO;
3, type of protection [of an electrical apparatus for explosive atmospheres and intrinsic safety parameter
3.1 type of protection [of an electrical apparatus for explosive atmospheres: mine intrinsic safety is held concurrently flame-proof type; Explosion-proof mark: ExibdI;
3.2 intrinsic safety parameters
The most high open circuit voltage Uo:4.3V of power supply; Maximum short circuit current Io:2.0A; Operating voltage: 3.6V; Working current: 200mA (during warning);
4, power supply: Ni-MH1600mAh/1.2V × 3 Ni-MH battery group;
5, weight: 300g;
6, fundamental error
(1), methane: %CH
4
(2), carbon monoxide: 1 × 10
-6cO
7, alarm set point:
(1), methane: at (0.50 ~ 2.50) %CH
4setting (factory default is located at 1.00%CH4 place) arbitrarily in scope;
(2), carbon monoxide: in measurement range arbitrarily setting (factory default is located at 24 × 10
-6cO place);
8, warning error: (1), methane: ± 0.05%CH
4; (2), carbon monoxide: ± 1 × 10
-6cO;
9, type of alarm and effect: acoustic alarm, from sound source axial distance one meter of distant place, the sound intensity is not less than 75dB (A);
10, alarm resolution: (1), methane: 0.01%CH
4; (2), carbon monoxide: 1 × 10
-6cO;
11, the response time: (1), methane: be not more than 20s; (2), carbon monoxide: be not more than 45s;
12, stream time: the stream time that once charges is greater than the new battery of 12h();
13, the duration of charging a: duration of charging is no less than 10h.
This CJT-4/1000 methane Carbon Monoxide Detection alarm is at methane: set alarm set point arbitrarily in the scope of 0.50% ~ 2.50%, and the difference of alarm indication value and setting value is no more than ± and 0.05%, at carbon monoxide: (0 ~ 1000) × 10
-6alarm set point is set arbitrarily in the scope of CO, the difference of alarm indication value and setting value is no more than ± and 1 × 10
-6, first set the alarm set point of methane and carbon monoxide in use, air intake opening by valve by the air intake analyzer in environment, methane transducer and carbon monoxide transducer detect methane in air and carbon monoxide gas body burden, voltage signal will be sent, voltage signal converts thereof into digital signal by A/D converter, digital signal is amplified through amplified filter, be sent to circuit main board, digital processing is carried out through single-chip microcomputer, feedback digital signal is in circuit main board, driving display demonstrates tested methane and carbon monoxide concentration of volume percent numerical value, analyzer was interposed between methane between 5 seconds, automatically switch between carbon monoxide, 0.00 ~ 4.00%CH can be realized
4with 0 ~ 1000 × 10
-6the measurement of CO, and can show on the occasion of or negative value, when methane and carbonomonoxide concentration reach alarming value, single-chip microcomputer exports control signal immediately, control alarm through circuit main board to give the alarm, sound alarm subsystem, light crossing-signal, vibrations alarm synchronously send buzzing, flash of light and vibrations, simultaneously numeral method red numerical flashing,
The present invention has the advantages that function is many, quality is light, volume is little, highly sensitive, stability is high, can realize the testing and alarm of mobile portable type underground coal mine methane and CO gas.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (7)
1.CJT-4/1000 methane Carbon Monoxide Detection alarm, comprise casing, it is characterized by, described casing comprises cabinet cover and casing box, described cabinet cover and casing box with the use of, be provided with sealing gasket between described cabinet cover and casing box, described cabinet cover has convex surface and concave surface, described convex surface is provided with warning socket and sound window, and described concave surface is provided with observation panel and button mouth, described casing box top is provided with methane air intake opening, carbon monoxide air intake opening, methane admission piece is provided with in described methane air intake opening, be provided with carbon monoxide admission piece in described carbon monoxide air intake opening, described casing box side is provided with emergent socket, emergency light switch and power source charges mouth, methane transducer is provided with in described casing box, carbon monoxide transducer, control circuit board, power supply, charging assembly, emergency light and emergency light power supply, described methane transducer is connected with methane admission piece, described carbon monoxide transducer is connected with carbon monoxide admission piece, described methane transducer and carbon monoxide transducer are all connected with A/D converter, described A/D converter is connected with amplified filter, described amplified filter is connected with control circuit board, and described control circuit board is provided with alarm, display board, button, radio receiving transmitting module, data-carrier store and single-chip microcomputer, described alarm comprises light crossing-signal, sound alarm subsystem and vibrations alarm, described light crossing-signal is arranged at warning socket place, described sound alarm subsystem is arranged at sound window place, described vibrations alarm is vibrating motor, be placed in casing box corner place, described display board is arranged at observation panel place, and described button is arranged at button mouth place, described power supply is connected with control circuit board, is realized methane transducer by control circuit board, carbon monoxide transducer, A/D converter, amplified filter, radio receiving transmitting module, data-carrier store, single-chip microcomputer, display, supply with the power supply of alarm, described emergency light is arranged at emergent socket place, and described emergency light is connected with emergency light switch with emergency light power supply respectively, and described emergency light power supply is connected with emergency light switch, described power supply and emergency light power supply relatively independent, and be intrinsic safety electric source.
2. CJT-4/1000 methane Carbon Monoxide Detection alarm as claimed in claim 1, it is characterized by, described casing is ABS engineering plastics materials, the length of described casing, is respectively L, D, H, described L=105mm, described D=54mm, described H=20mm.
3. CJT-4/1000 methane Carbon Monoxide Detection alarm as claimed in claim 1, it is characterized by, described methane transducer and carbon monoxide transducer are carrier catalyst element, and the measurement range of described methane transducer is 0.00 ~ 4.00%CH
4concentration, the measurement range of described carbon monoxide transducer is 0 ~ 1000 × 10
-6cO concentration.
4. CJT-4/1000 methane Carbon Monoxide Detection alarm as claimed in claim 1, it is characterized by, described display board comprises model displaying block, date displaying block, electricity displaying block, explosion-proof mark displaying block, numerical value displaying block, gas title displaying block and time showing block.
5. CJT-4/1000 methane Carbon Monoxide Detection alarm as claimed in claim 1, it is characterized by, described button is keyswitch type electronic thin film switch, and described button comprises that switch adds key, voltage subtracts key, return key and calibration acknowledgement key, and described button is square profile.
6. CJT-4/1000 methane Carbon Monoxide Detection alarm as claimed in claim 1, it is characterized by, charging assembly comprises plug, slide bar and chute, and described plug is connected with slide bar with power supply, described plug end corresponding power charge port.
7. CJT-4/1000 methane Carbon Monoxide Detection alarm as claimed in claim 1, it is characterized by, be sheathed with leather sheath outside described casing, described leather sheath is provided with faciola.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647444.9A CN105181904A (en) | 2015-10-09 | 2015-10-09 | CJT-4/1000 methane and carbon monoxide detection alarm instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647444.9A CN105181904A (en) | 2015-10-09 | 2015-10-09 | CJT-4/1000 methane and carbon monoxide detection alarm instrument |
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| Publication Number | Publication Date |
|---|---|
| CN105181904A true CN105181904A (en) | 2015-12-23 |
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|---|---|---|---|
| CN201510647444.9A Pending CN105181904A (en) | 2015-10-09 | 2015-10-09 | CJT-4/1000 methane and carbon monoxide detection alarm instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548500A (en) * | 2016-01-28 | 2016-05-04 | 苏州莱测检测科技有限公司 | Multifunctional air monitor |
| CN107747969A (en) * | 2017-09-30 | 2018-03-02 | 温州市洞头新博机电有限公司 | A kind of multi-functional sensing device |
| CN108288356A (en) * | 2017-07-20 | 2018-07-17 | 金联智能科技发展（深圳）有限公司 | A kind of domestic gas deflation warning system |
| CN109030738A (en) * | 2018-07-27 | 2018-12-18 | 扬中市南方矿用电器有限公司 | A kind of hydrogen sulfide analyzer and its adjustment method |
| CN112967413A (en) * | 2021-02-01 | 2021-06-15 | 重庆梅安森科技股份有限公司 | Coal mine gas dynamic patrol system and method |
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| CN201497720U (en) * | 2009-09-04 | 2010-06-02 | 北京科力赛克科技有限公司 | Harmful gas detecting instrument |
| CN202330396U (en) * | 2011-11-30 | 2012-07-11 | 江苏三恒科技集团有限公司 | Multi-parameter gas detector |
| CN203324257U (en) * | 2013-07-25 | 2013-12-04 | 李平波 | Carbon dioxide analysis meter |
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Patent Citations (3)
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| CN201497720U (en) * | 2009-09-04 | 2010-06-02 | 北京科力赛克科技有限公司 | Harmful gas detecting instrument |
| CN202330396U (en) * | 2011-11-30 | 2012-07-11 | 江苏三恒科技集团有限公司 | Multi-parameter gas detector |
| CN203324257U (en) * | 2013-07-25 | 2013-12-04 | 李平波 | Carbon dioxide analysis meter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548500A (en) * | 2016-01-28 | 2016-05-04 | 苏州莱测检测科技有限公司 | Multifunctional air monitor |
| CN108288356A (en) * | 2017-07-20 | 2018-07-17 | 金联智能科技发展（深圳）有限公司 | A kind of domestic gas deflation warning system |
| CN107747969A (en) * | 2017-09-30 | 2018-03-02 | 温州市洞头新博机电有限公司 | A kind of multi-functional sensing device |
| CN109030738A (en) * | 2018-07-27 | 2018-12-18 | 扬中市南方矿用电器有限公司 | A kind of hydrogen sulfide analyzer and its adjustment method |
| CN112967413A (en) * | 2021-02-01 | 2021-06-15 | 重庆梅安森科技股份有限公司 | Coal mine gas dynamic patrol system and method |
| CN112967413B (en) * | 2021-02-01 | 2023-04-11 | 重庆梅安森科技股份有限公司 | Coal mine gas dynamic patrol system and method |
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Application publication date: 20151223 |