CN105136998A - CJT4/4000 methane and carbon monoxide measuring device - Google Patents
CJT4/4000 methane and carbon monoxide measuring device Download PDFInfo
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- CN105136998A CN105136998A CN201510647475.4A CN201510647475A CN105136998A CN 105136998 A CN105136998 A CN 105136998A CN 201510647475 A CN201510647475 A CN 201510647475A CN 105136998 A CN105136998 A CN 105136998A
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- carbon monoxide
- methane
- alarm
- light
- casing
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Abstract
The invention provides a CJT4/4000 methane and carbon monoxide measuring device. The device comprises a machine shell, and an observation port, a key and a switch indication lamp are arranged on the front side of the machine shell. The tops of the two sides of the machine shell are each provided with a detection port which is square. The machine shell is provided with a combined alarm device. A displayer is embedded in the observation port. The switch indication lamp is located on one side of the bottom of the observation port. The key is located below the observation port. A microcontroller, an analog-digital converter, a storage, an alarm circuit, a power supply, a hydrogen sensor and a wireless data transmitter are arranged in the machine shell. The combined alarm device comprises an acoustic alarm device body, a light alarm device body and a vibration alarm device body. The performance of the measuring device is stable, a threshold is accurate, responses are quick, precision is high, appearance is unique, the size is small, the weight is low, and the device is convenient to carry. The humanized design and the soft adjustment technology are adopted, operation is easy, and use is convenient.
Description
Technical field
The present invention relates to a kind of analyzer, particularly a kind of CJT4/4000 methane carbon monoxide measurer.
Background technology
At present, in order to ensure shaft production safety, detection control is carried out to the methane content under mine, but because the production operation under mine is often also along with generation carbon monoxide, the aerial content requirement of carbon monoxide seems especially important.China's version " safety regulations in coal mine " middle regulation in 1980, carbon monoxide maximum permissible concentration is 0.0024%(and 30mg every cubic metre).In most of mine, carbon monoxide content can not intuitively be measured accurately, once carbon monoxide content raises, produces potential safety hazard to the borehole operation of workman ore deposit.
Coal production is due to its singularity, and work under bad environment, once occur that the casualty rate of accident personnel is very high, therefore, Safety of Coal Mine Production is extremely important.For the consideration to Safety of Coal Mine Production, the required work apparatus be equipped with of current coal mine working personnel is also many, mainly contains: methane analyzer, personnel positioning recognizer, communicating talkback system, self-rescuer, mine lamp etc.The instrument worn needed for practitioner under mine is too many, and add severe working environment, onerous toil, cause inefficiency, personnel are tired out, easily off one's guard.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of CJT4/4000 methane carbon monoxide measurer.
For solving above technical matters, technical scheme provided by the invention is:
CJT4/4000 methane carbon monoxide measurer, is characterized in that, comprises casing, and the front of described casing is provided with observation panel, button and switch indication light, and described casing both sides tip position is respectively provided with one and detects mouth, and described detection mouth is square; Described casing is provided with pack alarm; Described observation panel is square, is positioned at centre position, described casing front, and chimeric in described observation panel have display, and described display is numeral method device, and numeral method device is the red charactrons of four high brightness, display and observation panel corresponding matching; Described switch indication light is positioned at side bottom described observation panel; Described button is positioned at below described observation panel, comprises 4 buttons;
Microcontroller, analog to digital converter, storer, warning circuit, power supply, methane transducer and carbon monoxide transducer is provided with, wireless data transmitter in described casing; Described methane transducer and carbon monoxide transducer lay respectively at two and detect mouth inside, described methane transducer and carbon monoxide transducer are all connected with described analog to digital converter, described analog to digital converter is connected with described microcontroller, described microcontroller connects warning circuit, described warning circuit is connected with described pack alarm, and described power supply is connected with described microcontroller; Described wireless data transmitter is connected with described microprocessor; Described storer is connected with described microprocessor;
Described pack alarm comprises sound alarm subsystem, light crossing-signal and vibrations alarm, sound alarm subsystem, light crossing-signal and vibrations alarm synchronous working, described sound alarm subsystem is the passive hummer of paster, and described vibrations alarm is vibrating motor, and described light crossing-signal is ceramic paster LED light source;
Top one end position in casing is also provided with emergency light, and emergency light is connected with emergency light power supply, described emergency light power supply and power supply relatively independent, be intrinsic safety electric source, emergency light is connected with processor by electric wire.
Above-mentioned CJT4/4000 methane carbon monoxide measurer, is characterized in that, described pack alarm is positioned at described cabinet top position.
This CJT4/4000 methane carbon monoxide measurer is at measurement range methane: (0.00 ~ 4.00) %CH
4, carbon monoxide: (0 ~ 4000) × 10
-6alarm set point is set arbitrarily in the scope of CO, the absolute error of alarm indication value and setting value is no more than ± and 6, in measurement range >100 ~ 1000 (1 × 10
-6h
2)scope in set alarm set point arbitrarily, the relative error of alarm indication value and setting value be no more than measured value ± 6%, first set the alarm set point of methane and carbon monoxide in use, methane and carbon monoxide transducer detect methane in air and carbon monoxide content data by air intake opening, to voltage signal be sent and send electric signal to analog to digital converter, analog to digital converter converts thereof into digital signal, microcontroller is sent to carry out digital processing, digital signal after digital processing sends the concentration that display demonstrates tested gas to, when methane and carbonomonoxide concentration reach alarming value, microcontroller is output processing signal immediately, processing signals sends alarm to by warning circuit and namely gives the alarm, sound alarm subsystem, light crossing-signal and vibrations alarm synchronously send buzzing, flash of light and vibrations, simultaneously numeral method red numerical flashing, this CJT4/4000 methane carbon monoxide measurer also passes through processor, setting clock, and display is with on display, the staff be convenient under mine understands time variations, be configured with wireless data transmitter simultaneously, when night watching, wireless data transmitter does not work, until night watching terminates, during charging, wireless data transmitter 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.
Uniqueness arranges storer, and microprocessor is connected with storer, after microprocessor is by data processing, is deposited in storer, historical data is preserved, conveniently transfer and supervision, improves safe effect.
In sum, CJT4/4000 methane carbon monoxide measurer of the present invention adopts high-performance sensors, micro computer digital technology and Novel electronic devices, stable performance, thresholding is accurate, be swift in response, precision is high, use-pattern adopts human oriented design, soft regulation technology, simple to operate, easy to use, detection alarm instrument shell adopts the overall plastic structure of ABS high strength, the keyswitch type electronic thin film switch of adapted high sealing performance, four red numeral method of high brightness, novel structure, exotic shape, volume is little, lightweight, easy to carry, be configured with radio receiving transmitting module simultaneously, upload night watching data.
Accompanying drawing explanation
Fig. 1 schematic diagram of the present invention.
Fig. 2 schematic diagram of the present invention.
Fig. 3 pack alarm shell of the present invention enlarged diagram.
Fig. 4 pack alarm inner structure of the present invention schematic diagram.
Embodiment
CJT4/4000 methane carbon monoxide measurer, it is characterized in that, comprise casing 1, the front of described casing 1 is provided with observation panel 2, button 3 and switch indication light 5, described casing 1 both sides tip position is respectively provided with one and detects mouth 4,7, and described detection mouth 4,7 is square; Described casing 1 is provided with pack alarm 6; Described observation panel 2 is square, is positioned at centre position, described casing 1 front, and chimeric in described observation panel 2 have display 8, and described display 8 is numeral method device, and numeral method device 8 is the red charactrons of four high brightness, display 8 and observation panel 2 corresponding matching; Described switch indication light 5 is positioned at side bottom described observation panel 2; Described button 3 is positioned at below described observation panel 2, comprises 4 buttons; Microcontroller 9, analog to digital converter 10, storer 17, warning circuit 11, power supply 12, methane 131 and carbon monoxide transducer 132 is provided with, wireless data transmitter 14 in described casing 1;
Described methane 131 is connected with described analog to digital converter 10 with carbon monoxide transducer 132, described analog to digital converter 10 is connected with described microcontroller 9, described microcontroller 9 connects warning circuit 11, described warning circuit 11 is connected with described pack alarm 6, and described power supply 12 is connected with described microcontroller 9; Described wireless data transmitter 14 is connected with described microprocessor 9; Described storer 17 is connected with described microprocessor 9;
Described pack alarm 6 comprises sound alarm subsystem 61, light crossing-signal 62 and vibrations alarm 63 and body case of annunciator 64, described body case of annunciator 64 is square structure, square lamp shade 65 is provided with in the middle of it, described lampshade 65 left and right sides is provided with two discharge sound holes 66, described sender 66 is in vertically arrangement, and described often discharge sound hole 66 quantity is 5; Described sound alarm subsystem 61, light crossing-signal 62 and vibrations alarm 63 synchronous working, described sound alarm subsystem 61 is the passive hummer of paster, and quantity is two, and it is corresponding that sound hole 66 position is discharged in position and two; Described vibrations alarm 63 is four for vibrating motor quantity, is positioned at described body case of annunciator 64 inside circumference position; Described light crossing-signal 62 is ceramic paster LED light source, and be square structure, and its position shape size is corresponding with described lampshade 65;
Top one end position in casing 1 is also provided with emergency light 15, and emergency light 15 is connected with emergency light power supply 16, and described emergency light power supply 16 is relatively independent with power supply 12, and be intrinsic safety electric source, emergency light 15 is connected with processor 9 by electric wire.Described pack alarm 6 is positioned at described casing 1 tip position.
The technical parameter of the CJT4/4000 methane carbon monoxide measurer of the present embodiment is as follows:
1, environment for use condition:
A) temperature: 0 ~ 40 DEG C;
B) relative humidity :≤98% (25 DEG C);
C) atmospheric pressure: 80kPa ~ 116kPa;
D) wind speed: (0 ~ 8) m/s;
E) storage temperature is :-40 DEG C ~+60 DEG C
F) field of employment: there is the underground coal mine of danger of explosive mixed gas.
2, measurement range:
A) methane: (0.00 ~ 4.00) %CH
4.
B) carbon monoxide: (0 ~ 4000) × 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:
Uo:4.3V；Io:1.8A；
Operating voltage: 3.6V; Working current: 215mA (during warning)
4, electric battery Ni-MH1600mAh/1.2V × 3 Ni-MH battery group, together with two 0.6 ohm of current-limiting resistances are enclosed in electric battery series connection epoxide-resin glue, rubber seal thickness is not less than 1mm.
5, shell adopts ABS engineering plastics, wears animality leather sheath during use.
6, physical dimension: 108.5mm × 54mm × 20mm
7, weight: 300g
8, analyzer adopts natural diffuseness sample mode.Analyzer measured value should adopt its displayed value of numerical monitor mode more than three (containing three), should represent measured value with percent body volume concentrations, and adopt numerical monitor, its resolution should be: methane: 0.01%CH
4; Carbon monoxide: 1 × 10
-6cO.And the plus or minus of displayed value can be represented.
9, fundamental error
9.1 methane fundamental errors:
Table 1%CH
4
9.2 carbon monoxide fundamental errors:
Table 21 × 10
-6cO
10, warning function:
10.1 analyzer methane moiety should be able at 0.50%CH
4~ 2.50%CH
4(factory default is located at 1.00%CH to set arbitrarily alarm set point in scope
4place), the difference of alarm indication value and setting value is no more than ± 0.05%CH
4.Analyzer carbon monoxide partial arranges arbitrarily alarm set point in measurement range, and (factory default is located at 24 × 10
-6cO place).The difference of alarm indication value and setting value is no more than ± and 1 × 10
-6cO.
10.2 analyzer warning sound level intensities, apart from its 1m at a distance, should be not less than 75dB(A); It is far away that the visibility of red light signal at dark place should be not less than 20m.
11, the response time:
11.1 analyzer methane response times should be not more than 20s.
11.2 analyzer carbon monoxide response times should be not more than 45s.
12, battery working time
After analyzer battery charges normal, its methane, carbon monoxide partial working time should be not less than 10h, and in normal working hours, analyzer should not occur under-voltage shutdown.
This CJT4/4000 methane carbon monoxide measurer is at measurement range methane: (0.00 ~ 4.00) %CH
4, carbon monoxide: (0 ~ 4000) × 10
-6alarm set point is set arbitrarily in the scope of CO, the absolute error of alarm indication value and setting value is no more than ± and 6, in measurement range >100 ~ 1000 (1 × 10
-6h
2)scope in set alarm set point arbitrarily, the relative error of alarm indication value and setting value be no more than measured value ± 6%, first set the alarm set point of methane and carbon monoxide in use, methane and carbon monoxide transducer detect methane in air and carbon monoxide content data by air intake opening, to voltage signal be sent and send electric signal to analog to digital converter, analog to digital converter converts thereof into digital signal, microcontroller is sent to carry out digital processing, digital signal after digital processing sends the concentration that display demonstrates tested gas to, when methane and carbonomonoxide concentration reach alarming value, microcontroller is output processing signal immediately, processing signals sends alarm to by warning circuit and namely gives the alarm, sound alarm subsystem, light crossing-signal and vibrations alarm synchronously send buzzing, flash of light and vibrations, simultaneously numeral method red numerical flashing, this CJT4/4000 methane carbon monoxide measurer also passes through processor, setting clock, and display is with on display, the staff be convenient under mine understands time variations, be configured with wireless data transmitter simultaneously, when night watching, wireless data transmitter does not work, until night watching terminates, during charging, wireless data transmitter 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.
Uniqueness arranges storer, and microprocessor is connected with storer, after microprocessor is by data processing, is deposited in storer, historical data is preserved, conveniently transfer and supervision, improves safe effect.
In sum, CJT4/4000 methane carbon monoxide measurer of the present invention adopts high-performance sensors, micro computer digital technology and Novel electronic devices, stable performance, thresholding is accurate, be swift in response, precision is high, use-pattern adopts human oriented design, soft regulation technology, simple to operate, easy to use, detection alarm instrument shell adopts the overall plastic structure of ABS high strength, the keyswitch type electronic thin film switch of adapted high sealing performance, four red numeral method of high brightness, novel structure, exotic shape, volume is little, lightweight, easy to carry, be configured with radio receiving transmitting module simultaneously, upload night watching data.
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 (3)
1.CJT4/4000 methane carbon monoxide measurer, is characterized in that, comprises casing, and the front of described casing is provided with observation panel, button and switch indication light, and described casing both sides tip position is respectively provided with one and detects mouth, and described detection mouth is square; Described casing is provided with pack alarm; Described observation panel is square, is positioned at centre position, described casing front, and chimeric in described observation panel have display, and described display is numeral method device, and numeral method device is the red charactrons of four high brightness, display and observation panel corresponding matching; Described switch indication light is positioned at side bottom described observation panel; Described button is positioned at below described observation panel, comprises 4 buttons;
Microcontroller, analog to digital converter, storer, warning circuit, power supply, methane transducer and carbon monoxide transducer is provided with, wireless data transmitter in described casing; Described methane transducer and carbon monoxide transducer lay respectively at two and detect mouth inside, described methane transducer and carbon monoxide transducer are all connected with described analog to digital converter, described analog to digital converter is connected with described microcontroller, described microcontroller connects warning circuit, described warning circuit is connected with described pack alarm, and described power supply is connected with described microcontroller; Described wireless data transmitter is connected with described microprocessor; Described storer is connected with described microprocessor;
Described pack alarm comprises sound alarm subsystem, light crossing-signal and vibrations alarm, sound alarm subsystem, light crossing-signal and vibrations alarm synchronous working, described sound alarm subsystem is the passive hummer of paster, and described vibrations alarm is vibrating motor, and described light crossing-signal is ceramic paster LED light source;
Top one end position in casing is also provided with emergency light, and emergency light is connected with emergency light power supply, described emergency light power supply and power supply relatively independent, be intrinsic safety electric source, emergency light is connected with processor by electric wire.
2. CJT4/4000 methane carbon monoxide measurer as claimed in claim 1, it is characterized in that, described pack alarm is positioned at described cabinet top position.
3. CJT4/4000 methane carbon monoxide measurer as claimed in claim 1, it is characterized in that, measurement range is: methane: (0.00 ~ 4.00) %CH
4; Carbon monoxide: (0 ~ 4000) × 10
-6cO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647475.4A CN105136998A (en) | 2015-10-09 | 2015-10-09 | CJT4/4000 methane and carbon monoxide measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647475.4A CN105136998A (en) | 2015-10-09 | 2015-10-09 | CJT4/4000 methane and carbon monoxide measuring device |
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| CN105136998A true CN105136998A (en) | 2015-12-09 |
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227129A (en) * | 2016-08-17 | 2016-12-14 | 北京通宇泰克科技股份有限公司 | Engineering safety monitoring method and engineering safety monitor controller |
| CN106251575A (en) * | 2016-07-19 | 2016-12-21 | 洪明 | A kind of mobile detection alarm device |
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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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2015
- 2015-10-09 CN CN201510647475.4A patent/CN105136998A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251575A (en) * | 2016-07-19 | 2016-12-21 | 洪明 | A kind of mobile detection alarm device |
| CN106227129A (en) * | 2016-08-17 | 2016-12-14 | 北京通宇泰克科技股份有限公司 | Engineering safety monitoring method and engineering safety monitor controller |
| CN106227129B (en) * | 2016-08-17 | 2019-01-29 | 北京通宇泰克科技股份有限公司 | Engineering safety monitoring method and engineering safety monitor |
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| PB01 | Publication | ||
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Application publication date: 20151209 |