CN205620375U - Methane carbon monoxide tester - Google Patents
Methane carbon monoxide tester Download PDFInfo
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- CN205620375U CN205620375U CN201520777785.3U CN201520777785U CN205620375U CN 205620375 U CN205620375 U CN 205620375U CN 201520777785 U CN201520777785 U CN 201520777785U CN 205620375 U CN205620375 U CN 205620375U
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- alarm
- carbon monoxide
- casing
- methane
- light
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Abstract
The utility model discloses methane carbon monoxide tester, which comprises a housing, the front of casing is equipped with viewing aperture, button and switch pilot lamp, casing both sides top position respectively is equipped with one and detects the mouth, it is squarely to detect the mouth, be equipped with the combined alarm ware on the casing, the gomphosis has the display in the viewing aperture, the switch pilot lamp is located viewing aperture bottom one side, the button is located the viewing aperture below, be equipped with microcontroller, adc, memory, warning circuit, power, hydrogen sensor in the casing, wireless data transmission unit, the combined alarm ware includes sound alarm, light crossing -signal and vibrations alarm, its stable performance, and the threshold is accurate, and the reaction is rapid, and the precision is high, and unique style is small, light in weight, convenient to carry adopts humanized design, soft festival technique, easy operation, convenient to use.
Description
Technical field
The present invention relates to a kind of determinator, particularly a kind of methane carbon monoxide measurer.
Background technology
At present, in order to ensure shaft production safety, carry out the methane content under mine detecting control, but due under mine
Production operation the most also along with produce carbon monoxide, the aerial content requirement of carbon monoxide seems increasingly important.I
State's version " safety regulations in coal mine " middle regulation in 1980, carbon monoxide maximum permissible concentration is 0.0024% (i.e. 30mg every cube
Rice).In most of mines, carbon monoxide content can not be measured the most accurately, and once carbon monoxide content raises, to workman ore deposit
Underground work produces potential safety hazard.
Coal production, due to its particularity, work under bad environment, once occurs that the casualty rate of accident personnel is the highest, because of
This, Safety of Coal Mine Production is extremely important.For the consideration to Safety of Coal Mine Production, the required work being equipped with of current coal mine working personnel
Make instrument the most many, mainly have: methane analyzer, personnel positioning evaluator, communicating talkback system, self-rescuer, mine lamp etc.
Deng.The instrument worn needed for practitioner under mine is too many, adds severe working environment, onerous toil, causes work to be imitated
Rate is low, and personnel are tired out, the most off one's guard.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of methane carbon monoxide measurer.
For solving above technical problem, present invention provide the technical scheme that
Methane carbon monoxide measurer, it is characterised in that include that casing, the front of described casing are provided with observation panel, button
And switch indication light, described casing both sides tip position is respectively provided with a detection mouth, and described detection mouth is square；In described casing
It 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, described display is numeral method device, and numeral method device is four high brightness redness charactrons, display and sight
Examine a mouthful corresponding matching；Described switch indication light is positioned at described observation panel bottom side；Described button is positioned at below described observation panel,
Including 4 buttons；
Microcontroller, analog-digital converter, memorizer, warning circuit, power supply, methane transducer and one it is provided with in described casing
Carbonoxide sensor, wireless data transmitter；Described methane transducer and carbon monoxide transducer lay respectively at two detection mouths
Inside, described methane transducer is all connected with described analog-digital converter with carbon monoxide transducer, described analog-digital converter and institute
Stating microcontroller to be connected, described microcontroller connects warning circuit, and described warning circuit is connected with described pack alarm, institute
State power supply to be connected with described microcontroller；Described wireless data transmitter is connected with described microprocessor；Described memorizer and institute
State microprocessor to be connected；
Described pack alarm includes sound alarm subsystem, light crossing-signal and vibrations alarm, sound alarm subsystem, light crossing-signal and shake
Dynamic alarm synchronous working, described sound alarm subsystem is the passive buzzer of paster, and described vibrations alarm is vibrating motor, described light
Alarm is ceramic paster LED light source；
Top one end position in casing is additionally provided with emergency light, and emergency light connects emergency light power supply, described emergency light electricity
Source is relatively independent with power supply, is intrinsic safety electric source, and emergency light is connected with processor by electric wire.
Above-mentioned methane carbon monoxide measurer, it is characterised in that described pack alarm is positioned at described cabinet top position.
This methane carbon monoxide measurer is measuring scope methane: (0.00～4.00) %CH4；Carbon monoxide: (0～
4000)×10-6Arbitrarily setting alarm point in the range of CO, alarm indicator value is less than ± 6 with the absolute error of setting value, is surveying
Weight range > 100～1000 (1 × 10-6H2Arbitrarily setting alarm point in the range of), alarm indicator value is relative with setting value by mistake
Difference less than measured value ± 6%；The most first setting the alarm point of methane and carbon monoxide, methane senses with carbon monoxide
Device, by the methane in air inlet detection air and carbon monoxide content data, will send voltage signal and be sent to by the signal of telecommunication
Analog-digital converter, analog-digital converter converts thereof into digital signal, send microcontroller to carry out digital processing, after digital processing
Digital signal sends display to and demonstrates the concentration of tested gas, when methane reaches alarming value with carbonomonoxide concentration, micro-
Controller exports process signal immediately, and process signal sends alarm to by warning circuit and i.e. sends alarm, sound alarm subsystem, light
Alarm and vibrations alarm synchronize to send buzzing, glisten and shake, simultaneously numeral method red numerical flashing,
Methane carbon monoxide measurer, also by processor, sets clock, and shows and on display, it is simple to the staff under mine
The understanding time changes, and is configured with wireless data transmitter simultaneously, and when night watching, wireless data transmitter does not works, until night watching
Terminating, during charging, wireless data transmitter is opened, and automatically and Patrol Terminal carries out wireless connections, uploads the night watching number of preservation
According to.After data end of transmission, closing radio receiving transmitting module, detection alarm enters charging off-mode.
Uniqueness arranges memorizer, and microprocessor is connected with memorizer, after data are disposed by microprocessor, is stored in
In memorizer so that historical data is preserved, conveniently transfer and supervise, improve safe effect.
In sum, the present invention methane carbon monoxide measurer use high-performance sensors, micro computer digital technology and
Novel electronic devices, stable performance, thresholding is accurate, is swift in response, and precision is high, and occupation mode uses human oriented design, and soft saves
Technology, simple to operate, easy to use, detection alarm shell uses the overall plastic structure of ABS high intensity, pressing of adapted high sealing performance
Keyed electronic membrane switch, four high brightness redness numeral method, novel structure, exotic shape, volume is little, lightweight, takes
Band is convenient, is configured with radio receiving transmitting module simultaneously, uploads night watching data.
Accompanying drawing explanation
Fig. 1 schematic diagram of the present invention.
The schematic diagram of Fig. 2 present invention.
Fig. 3 pack alarm of the present invention shell enlarged diagram.
Fig. 4 pack alarm of the present invention internal structure schematic diagram.
Detailed description of the invention
Methane carbon monoxide measurer, it is characterised in that include casing 1, the front of described casing 1 be provided with observation panel 2, by
Key 3 and switch indication light 5, described casing 1 both sides tip position is respectively provided with a detection mouth 4,7, and described detection mouth 4,7 is in side
Shape；Described casing 1 is provided with pack alarm 6；Described observation panel 2 is square, is positioned at centre position, described casing 1 front, institute
Chimeric in stating observation panel 2 have display 8, and described display 8 is numeral method device, and numeral method device 8 is four high brightness
Red charactron, display 8 and observation panel 2 corresponding matching；Described switch indication light 5 is positioned at described observation panel 2 bottom side；Institute
State button 3 and be positioned at below described observation panel 2, including 4 buttons；Be provided with in described casing 1 microcontroller 9, analog-digital converter 10,
Memorizer 17, warning circuit 11, power supply 12, methane 131 and carbon monoxide transducer 132, wireless data transmitter 14；
Described methane 131 is connected with described analog-digital converter 10 with carbon monoxide transducer 132, described analog-digital converter 10
Being connected with described microcontroller 9, described microcontroller 9 connects warning circuit 11, described warning circuit 11 and described combination report
Alert device 6 is connected, and described power supply 12 is connected with described microcontroller 9；Described wireless data transmitter 14 and described microprocessor 9
It is connected；Described memorizer 17 is connected with described microprocessor 9；
Described pack alarm 6 includes 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, is provided with square lamp shade 65 in the middle of it, and described lampshade 65 left and right sides is provided with two rows
Sender 66, described sender 66 is in being vertically arranged, and described sound hole 66 quantity of often discharging is 5；Described sound alarm subsystem 61, light report
Alert device 62 and vibrations alarm 63 work asynchronously, and described sound alarm subsystem 61 be the passive buzzer of paster, and quantity is two, position and
Two discharge sound hole 66 positions are corresponding；Described vibrations alarm 63 is four for vibrating motor quantity, is positioned at outside described alarm
Shell 64 inside circumference position；Described light crossing-signal 62 is ceramic paster LED light source, and be square structure, its position shape size with
Described lampshade 65 is corresponding；
Top one end position in casing 1 is additionally provided with emergency light 15, and emergency light 15 connects emergency light power supply 16, described should
Anxious lamp power supply 16 is relatively independent with power supply 12, is intrinsic safety electric source, and emergency light 15 is connected with processor 9 by electric wire.Described group
Close alarm 6 and be positioned at described casing 1 tip position.
The technical parameter of the methane carbon monoxide measurer of the present embodiment is as follows:
1, environmental condition is used:
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 dangerous underground coal mine of explosive mixed gas.
2, scope is measured:
A) methane: (0.00～4.00) %CH4。
B) carbon monoxide: (0～4000) × 10-6CO。
3, type of explosion proof construc tion and intrinsic safety parameter
3.1 type of explosion proof construc tion: mine intrinsic safety is held concurrently flame-proof type explosion-proof mark: ExibdI
3.2 intrinsic safety parameters:
Uo:4.3V；Io:1.8A；
Running voltage: 3.6V；Operating current: 215mA (during warning)
4, set of cells Ni-MH 1600mAh/1.2V × 3 Ni-MH battery group, two 0.6 ohm of current-limiting resistances and set of cells string
Combination epoxide-resin glue is enclosed in together, and glue envelope thickness is not less than 1mm.
5, shell uses ABS engineering plastics, wears animality leather sheath during use.
6, overall dimensions: 108.5mm × 54mm × 20mm
7, weight: 300g
8, determinator uses natural diffuseness sample mode.Determinator measured value should use its show value three of numerical monitor mode
Position is above (containing three), should represent measured value with percent body volume concentrations, use numerical monitor, and its resolution should be: methane:
0.01%CH4；Carbon monoxide: 1 × 10-6CO.And the plus or minus of show value can be represented.
9, elementary error
9.1 methane elementary errors:
Table 1 %CH4
9.2 carbon monoxide elementary errors:
Table 21 × 10-6CO
10, warning function:
10.1 determinator methane moiety should be able to be at 0.50%CH4～2.50%CH4In the range of arbitrarily set alarm point and (dispatch from the factory
Acquiescence is located at 1.00%CH4Place), alarm indicator value is less than ± 0.05%CH with the difference of setting value4.Determinator carbon monoxide
Part arbitrarily arranges alarm point in the range of measuring, and (factory default is located at 24 × 10-6At CO).Alarm indicator value and setting value
Difference is less than ± 1 × 10-6CO.10.2 determinator warning sound level intensities, away from its 1m at a distance, should be not less than 75dB (A)；Red
Optical signal visibility at dark should be remote not less than 20m.
11, response time:
11.1 determinator methane response times should be not more than 20s.
11.2 determinator carbon monoxide response times should be not more than 45s.
12, battery working time
After determinator battery charges normal, its methane, carbon monoxide partial working time should be not less than 10h, normally work
In time, should there is not under-voltage shutdown in determinator.
This methane carbon monoxide measurer is measuring scope methane: (0.00～4.00) %CH4；Carbon monoxide: (0～
4000)×10-6Arbitrarily setting alarm point in the range of CO, alarm indicator value is less than ± 6 with the absolute error of setting value, is surveying
Weight range > 100～1000 (1 × 10-6H2The relative error of alarm point, alarm indicator value and setting value is arbitrarily set in the range of)
Less than measured value ± 6%；The most first set the alarm point of methane and carbon monoxide, methane and carbon monoxide transducer
By the methane in air inlet detection air and carbon monoxide content data, voltage signal will be sent and send the signal of telecommunication to mould
Number converter, analog-digital converter converts thereof into digital signal, send microcontroller to carry out digital processing, the number after digital processing
Word signal sends display to and demonstrates the concentration of tested gas, when methane reaches alarming value with carbonomonoxide concentration, and micro-control
Device processed exports process signal immediately, and process signal sends alarm to by warning circuit and i.e. sends alarm, sound alarm subsystem, light report
Alert device and vibrations alarm synchronize to send buzzing, glisten and shake, simultaneously numeral method red numerical flashing, this first
Alkane carbon monoxide tester, also by processor, sets clock, and shows and on display, it is simple to the staff under mine
The solution time changes, and is configured with wireless data transmitter simultaneously, and when night watching, wireless data transmitter does not works, until night watching is tied
Bundle, during charging, wireless data transmitter is opened, and automatically and Patrol Terminal carries out wireless connections, uploads the night watching data of preservation.
After data end of transmission, closing radio receiving transmitting module, detection alarm enters charging off-mode.
Uniqueness arranges memorizer, and microprocessor is connected with memorizer, after data are disposed by microprocessor, is stored in
In memorizer so that historical data is preserved, conveniently transfer and supervise, improve safe effect.
In sum, the present invention methane carbon monoxide measurer use high-performance sensors, micro computer digital technology and
Novel electronic devices, stable performance, thresholding is accurate, is swift in response, and precision is high, and occupation mode uses human oriented design, and soft saves
Technology, simple to operate, easy to use, detection alarm shell uses the overall plastic structure of ABS high intensity, pressing of adapted high sealing performance
Keyed electronic membrane switch, four high brightness redness numeral method, novel structure, exotic shape, volume is little, lightweight, takes
Band is convenient, is configured with radio receiving transmitting module simultaneously, uploads night watching data.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is as the criterion.
Claims (3)
1. methane carbon monoxide measurer, it is characterised in that include casing, the front of described casing be provided with observation panel, button and
Switch indication light, described casing both sides tip position is respectively provided with a detection mouth, and described detection mouth is square；Set in described casing
There is pack alarm；Described observation panel is square, is positioned at centre position, described casing front, and chimeric in described observation panel have display
Device, described display is numeral method device, and numeral method device is four high brightness redness charactrons, display and observation panel
Corresponding matching；Described switch indication light is positioned at described observation panel bottom side；Described button is positioned at below described observation panel, including
4 buttons；
Microcontroller, analog-digital converter, memorizer, warning circuit, power supply, methane transducer and an oxidation it is provided with in described casing
Carbon sensor, wireless data transmitter；Described methane transducer and carbon monoxide transducer lay respectively at inside two detection mouths,
Described methane transducer is all connected with described analog-digital converter with carbon monoxide transducer, described analog-digital converter and described micro-control
Device processed is connected, and described microcontroller connects warning circuit, and described warning circuit is connected with described pack alarm, described power supply
It is connected with described microcontroller；Described wireless data transmitter is connected with microprocessor；Described memorizer and described microprocessor
It is connected；
Described pack alarm includes sound alarm subsystem, light crossing-signal and vibrations alarm, sound alarm subsystem, light crossing-signal and vibrations report
Alert device synchronous working, described sound alarm subsystem is the passive buzzer of paster, and described vibrations alarm is vibrating motor, and described light is reported to the police
Device is ceramic paster LED light source；
Top one end position in casing is additionally provided with emergency light, and emergency light connects emergency light power supply, described emergency light power supply with
Power supply is relatively independent, is intrinsic safety electric source, and emergency light is connected with processor by electric wire.
2. methane carbon monoxide measurer as claimed in claim 1, it is characterised in that described pack alarm is positioned at described machine
Shell tip position.
3. methane carbon monoxide measurer as claimed in claim 1, it is characterised in that measurement scope is: methane: (0.00～
4.00) %CH4；Carbon monoxide: (0～4000) × 10-6CO。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777785.3U CN205620375U (en) | 2015-10-09 | 2015-10-09 | Methane carbon monoxide tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777785.3U CN205620375U (en) | 2015-10-09 | 2015-10-09 | Methane carbon monoxide tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205620375U true CN205620375U (en) | 2016-10-05 |
Family
ID=57033607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777785.3U Active CN205620375U (en) | 2015-10-09 | 2015-10-09 | Methane carbon monoxide tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205620375U (en) |
-
2015
- 2015-10-09 CN CN201520777785.3U patent/CN205620375U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |