CN205607950U - Suspension type methane carbon monoxide analyzer - Google Patents

Suspension type methane carbon monoxide analyzer Download PDF

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Publication number
CN205607950U
CN205607950U CN201520777814.6U CN201520777814U CN205607950U CN 205607950 U CN205607950 U CN 205607950U CN 201520777814 U CN201520777814 U CN 201520777814U CN 205607950 U CN205607950 U CN 205607950U
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methane
carbon monoxide
emergency light
transducer
casing
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袁立清
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YANGZHONG SOUTHERN MINING ELECTRIC APPLIANCE Ltd Co
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YANGZHONG SOUTHERN MINING ELECTRIC APPLIANCE Ltd Co
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Abstract

The utility model relates to a suspension type methane carbon monoxide analyzer, casing lid surface is equipped with the sound window, the viewing aperture, warning socket and button mouth, casing box top is equipped with the methane air inlet, the carbon monoxide air inlet with hang the pull ring, casing box side is equipped with emergent socket, the emergency light switch, power outlet and external power source connector, be equipped with methane transducer in the casing box, carbon monoxide transducer, an analog to digital converter, and a circuit mainboard, a power supply, emergency light and emergency light power, the last alarm that is equipped with of circuit board, the display panel, the button, wireless transceiver module, data storage chip and singlechip, the alarm includes the acoustic alarm ware, light crossing -signal and vibrations alarm, the utility model has the characteristics of the function is many, sensitivity is high, stability is high, can realize on a large scale that long -time colliery is methane and gaseous survey and the early warning of carbon monoxide in the pit.

Description

Suspension type methane carbon monoxide measurer
Technical field
This utility model relates to suspension type methane carbon monoxide measurer, belongs to gas testing device technical field.
Background technology
The inflammable gas such as methane, carbon monoxide it is easily generated, when this kind of gas exceedes certain limit under coal mine working environment After can explode, jeopardize personnel in the pit's safety, it is therefore proposed that a kind of dual-purpose monitoring alarm instrument of methane carbon monoxide measurer, Methane carbonomonoxide concentration can be detected, realize after threshold value reporting to the police, effectively prevent security incident.
The most existing multiple patents propose methane carbon monoxide measurer, as patent CN204269536U proposes one just Taking formula methane carbon monoxide measurer, using infrared detection head is air-sensitive original paper, and manufacturing cost is high, and machining accuracy is high, and colliery fills It is difficult in putting apply;Patent CN103529089A proposes a kind of Wearable type methane carbon monoxide measurer, module composition structure Unintelligible;Patent CN202486085U proposes a kind of methane carbon monoxide measurer, and circuit structure is complicated;These determinators are many There is sensitivity and poor stability, functional single, shortcoming that the working time is short, be not suitable for mining work under mine, simultaneously Less than normal to the detection range of hazardous gas, reduce security performance the most to a certain extent.
Utility model content
The purpose of this utility model is the defect for prior art, it is provided that suspension type methane carbon monoxide measurer, tool There is the feature that function is many, highly sensitive, stability is high, can realize on a large scale, long-time underground coal mine methane and carbon monoxide gas The mensuration of body and early warning.
This utility model is achieved by the following technical solutions.
Suspension type methane carbon monoxide measurer, including casing, a length of L, the L=280mm of described casing, described casing Width be D, D=160mm, the height of described casing is H, H=53mm, and described casing includes cabinet cover and casing box, described machine Cap and casing box with the use of, be provided with sealing gasket between described cabinet cover and casing box, described cabinet cover surface is from top to bottom It is sequentially provided with sound window, observation panel, warning socket and button mouth;Described casing box top is provided with methane air inlet, carbon monoxide enters QI KOU and suspension draw ring, described suspension draw ring is connected with casing box rotary type, is provided with methane and enters in described methane air inlet Valve, is provided with carbon monoxide suction nozzle in described carbon monoxide air inlet, described casing box side is provided with emergent socket, meets an urgent need Lamp switch, power source charges mouth and external power source connector;Be provided with in described casing box methane transducer, carbon monoxide transducer, A/D converter, circuit main board, power supply, emergency light and emergency light power supply, described methane transducer is connected with methane suction nozzle, institute Stating methane transducer and be provided with methane temperature compensator, described carbon monoxide transducer is connected with carbon monoxide suction nozzle, described Carbon monoxide transducer is provided with carbon monoxide temperature compensator, and described methane transducer is respectively connected with carbon monoxide transducer A/D converter, described A/D converter connects has amplified filter, described amplified filter to be connected with circuit main board, described circuit Mainboard is provided with alarm, display panel, button, radio receiving transmitting module, pin-saving chip and single-chip microcomputer, and described alarm includes Sound alarm subsystem, light crossing-signal and vibrations alarm, described sound alarm subsystem is arranged at sound window, and described light crossing-signal is arranged at warning At socket, described vibrations alarm is vibrating motor, is placed at casing box corner, and described display panel is arranged at observation panel, institute State display panel and include model displaying block, date displaying block, electricity displaying block, explosion-proof mark displaying block, numerical value displaying block, gas name Claim displaying block and time showing block, described numerical value displaying block display four figures value, described gas title displaying block show percent The methane of volumetric concentration and carbon monoxide, described button is arranged at button mouth, and described power supply is connected with circuit main board, by electricity Road mainboard realizes turning methane transducer, carbon monoxide transducer, methane temperature compensator, carbon monoxide temperature compensator, A/D The power supply supply of parallel operation, amplified filter, radio receiving transmitting module, pin-saving chip, single-chip microcomputer, display and alarm, institute Stating power source charges mouth to be connected with power supply, described external power source connector is connected with circuit main board, and described emergency light is arranged at emergent At socket, described emergency light switchs with emergency light power supply and emergency light respectively and is connected, and described emergency light power supply switchs with emergency light Being connected, described power supply is relatively independent with emergency light power supply, and is intrinsic safety electric source.
Above-mentioned suspension type methane carbon monoxide measurer, wherein, described casing is 304 stainless steels.
Above-mentioned suspension type methane carbon monoxide measurer, wherein, described methane transducer and carbon monoxide transducer are Carrier catalyst element, the methane concentration measurement range of described methane transducer is 0.00~4.00%CH4, described carbon monoxide The carbonomonoxide concentration measurement range of sensor is 0~1000 × 10-6 CO。
Above-mentioned suspension type methane carbon monoxide measurer, wherein, described button is keyswitch type electronic thin film switch, described presses Key includes plus key, subtracts key, on & off switch and calibration acknowledgement key, the square distribution of described button.
Above-mentioned suspension type methane carbon monoxide measurer, wherein, is sheathed with leather sheath outside described casing, described leather sheath is provided with Faciola.
The beneficial effects of the utility model are:
This suspension type methane carbon monoxide measurer is at methane: arbitrarily set alarm point in the range of 0.50%~2.50%, Alarm indicator value is less than ± 0.05%, at carbon monoxide: (0 ~ 1000) × 10 with the difference of setting value-6In the range of CO arbitrarily Setting alarm point, alarm indicator value is less than ± 1 × 10 with the difference of setting value-6, the most first set methane and an oxidation The alarm point of carbon, the air in environment is sucked in determinator by valve by air inlet, methane transducer and carbon monoxide sensing Methane in device detection air and carbon monoxide gas body burden, will send voltage signal, and temperature compensator carries out compensation data, electricity Pressure signal converts thereof into digital signal by A/D converter, and the amplified filter of digital signal amplifies, and is sent to main circuit Plate, carries out digital processing through single-chip microcomputer, in feedback digital signal to circuit main board, drives display to demonstrate tested methane and one Carbonoxide concentration of volume percent numerical value, determinator with 5 seconds be spaced between methane, carbon monoxide automatically switch, can realize 0.00~4.00%CH4With 0~1000 × 10-6 The measurement of CO, and can show on the occasion of or negative value;When methane and carbon monoxide are dense Degree is when reaching alarming value, and single-chip microcomputer exports control signal immediately, controls alarm through circuit main board and sends alarm, sound alarm subsystem, Light crossing-signal, vibrations alarm synchronize to send buzzing, glisten and shake, simultaneously numeral method red numerical flashing;
Being configured with pin-saving chip and radio receiving transmitting module on this utility model circuit main board, surveyed data can be remembered simultaneously Recording in pin-saving chip, when night watching, radio receiving transmitting module does not works, until night watching terminates, during charging, and wireless receiving and dispatching mould Block is opened, and automatically and Patrol Terminal carries out wireless connections, uploads the night watching data of preservation;After data end of transmission, close nothing Line transceiver module, detection alarm enters charging off-mode;Emergency light realizes dark emergency light source, down-hole.
Power supply of the present utility model and emergency light power supply are intrinsic safety electric source, explosion-proof at underground coal mine and have DC voltage-stabilizing Property, additives for overcharge protection voltage protection, over voltage protection, short-circuit protection function, more safety and stability;External power source is even Interface can be powered by external power supply, it is achieved power failure or electricity Contingency supply when not having electricity.
This utility model sets date and time, and is shown on display, and can show charge condition, it is simple under mine Staff understand the time change;Charge condition is may also display, it is simple to remind staff's charging on display.
This utility model casing is provided with suspension draw ring, it is simple to hangs fixing or carries, and hangs draw ring and is rotatably connected, When not using, rotating to fall down to hang draw ring, detector is placed in leather sheath, wears with faciola and carries.
In sum, this utility model possesses data storage, time showing, emergency lighting, is wirelessly transferred, shakes warning etc. Function, has the advantages that function is many, highly sensitive, stability is high, can realize on a large scale, long-time underground coal mine methane and an oxygen Change mensuration and the early warning of carbon gas.
Accompanying drawing explanation
Fig. 1 is the structural representation after this utility model removes cabinet cover.
Fig. 2 is this utility model casing front view.
Fig. 3 is this utility model casing left view.
Fig. 4 is utility model works schematic diagram.
Fig. 5 is this utility model leather case structure schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.
Described power supply produces by Beijing Tian Ruichi Energy Science Co., Ltd with emergency light power supply, and power supply model is: PL175667, meets the regulation of " safety of coal mines determinator instrument lithium ion battery safety performance inspection specification ";Described methane Sensor and carbon monoxide transducer are produced by China shipbuilding Industry Group Co., Ltd. 718th Institute.
Suspension type methane carbon monoxide measurer, including casing 44, a length of L, the L=280mm of described casing 44, described The width of casing 44 is D, D=160mm, and the height of described casing 44 is H, H=53mm, and described casing 44 is 304 stainless steels, Described casing 44 includes that cabinet cover 39 and casing box 36, described cabinet cover 39 and casing box 36 are with the use of, described cabinet cover 39 And being provided with sealing gasket 46 between casing box 36, described cabinet cover 39 surface is sequentially provided with sound window 40, observation panel 41, police from top to bottom Show socket 42 and button mouth 43;Described casing box 36 top is provided with methane air inlet 1, carbon monoxide air inlet 19 and hangs draw ring 18, described suspension draw ring 18 is connected with casing box 36 rotary type, is provided with methane suction nozzle 2, institute in described methane air inlet 1 Being provided with carbon monoxide suction nozzle 20 in the carbon monoxide air inlet 19 stated, described casing box 36 side is provided with emergent socket 45, answers Anxious lamp switch 9, power source charges mouth 17 and external power source connector 16;Methane transducer 3, one oxidation it is provided with in described casing box 36 Carbon sensor 21, A/D converter 23, circuit main board 35, power supply 37, emergency light 6 and emergency light power supply 7, described methane transducer 3 Being carrier catalyst element with carbon monoxide transducer 21, described methane transducer 3 is connected with methane suction nozzle 2, described methane Sensor 3 is provided with methane temperature compensator 4, and described carbon monoxide transducer 21 is connected with carbon monoxide suction nozzle 20, described Carbon monoxide transducer 21 is provided with carbon monoxide temperature compensator 22, described methane transducer 3 and carbon monoxide transducer 21 Being respectively connected with A/D converter 23, described A/D converter 23 connects amplified filter 24, described amplified filter 23 and circuit Mainboard 35 is connected, and described circuit main board 35 is provided with alarm 11, display panel 32, button 38, radio receiving transmitting module 33, data are deposited Storage chip 49 and single-chip microcomputer 34, described alarm 11 includes sound alarm subsystem 8, light crossing-signal 10 and vibrations alarm 5, described sound report Alert device 11 is arranged at sound window 40, and described light crossing-signal 10 is arranged at warning socket 42, and described vibrations alarm 5 is vibration horse Reaching, be placed at 36 4 jiaos of casing box, described display panel 32 is arranged at observation panel 41, and described display panel 32 includes model displaying block 28, date displaying block 27, electricity displaying block 36, explosion-proof mark displaying block 25, numerical value displaying block 29, gas title displaying block 31 and Time showing block 30, described numerical value displaying block 29 shows four figures value, described gas title displaying block 31 show percent volume The methane of concentration and carbon monoxide, described button 38 is arranged at button mouth 43, and described button 38 is opened for keyswitch type electronic thin film Closing, described button 38 includes plus key 13, subtracts key 12, on & off switch 15 and calibration acknowledgement key 14, the described square distribution of button 38, Described power supply 37 is connected with circuit main board 35, by circuit main board 35 realize to methane transducer 3, carbon monoxide transducer 21, Methane temperature compensator 4, carbon monoxide temperature compensator 22, A/D converter 23, amplified filter 24, radio receiving transmitting module 33, The power supply supply of pin-saving chip 49, single-chip microcomputer 34, display 32 and alarm 11, described power source charges mouth 17 and power supply 37 are connected, and described external power source connector 16 is connected with circuit main board 35, and described emergency light 6 is arranged at emergent socket 45, institute Stating emergency light 6 to be connected with emergency light power supply 7 and emergency light switch 9 respectively, described emergency light power supply 7 is connected with emergency light switch 9, Described power supply 37 is relatively independent with emergency light power supply 9, and is intrinsic safety electric source, is sheathed with leather sheath 47 outside described casing 44, described Leather sheath 47 is provided with faciola 48.
The technical parameter of the suspension type 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: (0~1000) × 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
Power supply side: Ui:18.5VDC, Ii:120mA, Ci:0uF, Li:0mH
Battery feeder ear: PL175667 mine anti-explosion lithium ion battery one saves;Uo:4.2VDC, Io:3.0A;
4, weight: 2.0kg;
5, display mode: four emitting red light numerical monitor;
6, resolution: methane: 0.01%CH4;Carbon monoxide: 1 × 10-6CO, and the plus or minus of show value can be represented;
7, elementary error
7.1, methane elementary error:
Table 1 %CH44
Measurement scope Elementary error
0.00~1.00 ±0.10
> 1.00~1.00 True value ± 10%
> 3.00~4.00 ±0.30
7.2, carbon monoxide elementary error:
Table 21 × 10-6 CO
8, alarm point:
8.1 determinator methane moiety should be able to be at 0.50%CH4~2.50%CH4In the range of arbitrarily set alarm point (factory default It is located at 1.00%CH4Place), alarm indicator value is less than ± 0.05%CH with the difference of setting value4;Determinator carbon monoxide partial exists (factory default is located at 24 × 10 arbitrarily to arrange alarm point in the range of measurement-6At CO);The difference of alarm indicator value and setting value is not Exceed ± 1 × 10-6 CO;
8.2 determinator warning sound level intensities, away from its 1m at a distance, should be not less than 75dB(A);Red light signal is at dark Visibility should not less than 20m remote;
9, 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;
10, the charging interval a: charging interval is no less than 8h;
11, powering on and automatically run, advanced line sensor preheating (catalysis element 10 seconds, carbon monoxide 40 seconds), preheating completes After, enter and detect state in real time.Determinator with 5 seconds be spaced between methane, carbon monoxide automatically switch;
12, after determinator catalytic sensor does not connect or lost efficacy, display-0.00 readings prompting;
13, determinator has 485 communications, 200-1000Hz rate-adaptive pacemaker function;
14, determinator can use outside 18V intrinsic safety electric source to power.And to determinator battery low current charge.Outside accessing After portion's 18V intrinsic safety electric source, automatically cut off battery and power, use 18V to power.After outside 18V intrinsic safety electric source disconnects, automatically switch to Battery is powered;
15, when CH in external environment being detected4After continuous 5 seconds of concentration is more than 4.00%, cut off the power supply of methane transducer, To protect catalytic sensor, entering methane transducer intermittent power supply pattern, determinator readings is locked in 4.00% simultaneously, and flashes Display mode;Until CH in external environment4Concentration be reduced to 4.00% within after, exit intermittent power supply pattern, enter inspection in real time Survey;
16, by menu item, adjustable determinator precision, adjustment alarm point, adjustment time and date, correction 200- 1000Hz output signal accuracy, revise 485 mailing addresses;
This suspension type methane carbon monoxide measurer is at methane: arbitrarily set alarm point in the range of 0.50%~2.50%, Alarm indicator value is less than ± 0.05%, at carbon monoxide: (0 ~ 1000) × 10 with the difference of setting value-6In the range of CO arbitrarily Setting alarm point, alarm indicator value is less than ± 1 × 10 with the difference of setting value-6, the most first set methane and an oxidation The alarm point of carbon, the air in environment is sucked in determinator by valve by air inlet, methane transducer and carbon monoxide sensing Methane in device detection air and carbon monoxide gas body burden, will send voltage signal, and temperature compensator carries out compensation data, electricity Pressure signal converts thereof into digital signal by A/D converter, and the amplified filter of digital signal amplifies, and is sent to main circuit Plate, carries out digital processing through single-chip microcomputer, in feedback digital signal to circuit main board, drives display to demonstrate tested methane and one Carbonoxide concentration of volume percent numerical value, determinator with 5 seconds be spaced between methane, carbon monoxide automatically switch, can realize 0.00~4.00%CH4With 0~1000 × 10-6 The measurement of CO, and can show on the occasion of or negative value;When methane and carbon monoxide are dense Degree is when reaching alarming value, and single-chip microcomputer exports control signal immediately, controls alarm through circuit main board and sends alarm, sound alarm subsystem, Light crossing-signal, vibrations alarm synchronize to send buzzing, glisten and shake, simultaneously numeral method red numerical flashing;
This utility model casing is provided with suspension draw ring, it is simple to hangs fixing or carries, and hangs draw ring and is rotatably connected, When not using, rotating to fall down to hang draw ring, detector is placed in leather sheath, wears with faciola and carries;This utility model has merit Can many, highly sensitive, feature that stability is high, can realize on a large scale, long-time underground coal mine methane and CO (carbon monoxide converter) gas Measure and early warning.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not Being confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in Change or replacement, all should contain in protection domain of the present utility model.Therefore, protection domain of the present utility model should be with The protection domain of claims is as the criterion.

Claims (6)

1. suspension type methane carbon monoxide measurer, including casing, is characterized by, described casing includes 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 surface from Upper and under be sequentially provided with sound window, observation panel, warning socket and button mouth;Described casing box top is provided with methane air inlet, an oxygen Changing carbon air inlet and hang draw ring, described suspension draw ring is connected with casing box rotary type, is provided with in described methane air inlet Methane suction nozzle, is provided with carbon monoxide suction nozzle in described carbon monoxide air inlet, described casing box side is provided with emergency light Mouth, emergency light switch, power source charges mouth and external power source connector;It is provided with methane transducer, carbon monoxide in described casing box Sensor, A/D converter, circuit main board, power supply, emergency light and emergency light power supply, described methane transducer and methane suction nozzle Being connected, described methane transducer is provided with methane temperature compensator, described carbon monoxide transducer and carbon monoxide suction nozzle phase Even, described carbon monoxide transducer is provided with carbon monoxide temperature compensator, described methane transducer and carbon monoxide transducer Being respectively connected with A/D converter, described A/D converter connects has amplified filter, described amplified filter to be connected with circuit main board, Described circuit main board is provided with alarm, display panel, button, radio receiving transmitting module, pin-saving chip and single-chip microcomputer, described report Alert device includes sound alarm subsystem, light crossing-signal and vibrations alarm, and described sound alarm subsystem is arranged at sound window, and described light crossing-signal sets Being placed at warning socket, described vibrations alarm is vibrating motor, is placed at casing box corner, and described display panel is arranged at observation At Kou, described button is arranged at button mouth, and described power supply is connected with circuit main board, realizes sensing methane by circuit main board Device, carbon monoxide transducer, methane temperature compensator, carbon monoxide temperature compensator, A/D converter, amplified filter, wireless The power supply supply of transceiver module, pin-saving chip, single-chip microcomputer, display and alarm, described power source charges mouth and power supply phase Even, described external power source connector is connected with circuit main board, and described emergency light is arranged at emergent socket, and described emergency light is respectively Switching with emergency light power supply and emergency light and be connected, described emergency light power supply is connected with emergency light switch, described power supply and emergency light Power supply is relatively independent, and is intrinsic safety electric source.
2. suspension type methane carbon monoxide measurer as claimed in claim 1, is characterized by, described casing is 304 rustless steels Material, a length of L, the L=280mm of described casing, the width of described casing is D, D=160mm, and the height of described casing is H, H= 53mm。
3. suspension type methane carbon monoxide measurer as claimed in claim 1, is characterized by, described methane transducer and an oxygen Changing carbon sensor and be carrier catalyst element, the methane concentration measurement range of described methane transducer is 0.00~4.00% CH4, the carbonomonoxide concentration measurement range of described carbon monoxide transducer is 0~1000 × 10-6 CO。
4. suspension type methane carbon monoxide measurer as claimed in claim 1, is characterized by, described display panel includes that model shows Show block, date displaying block, electricity displaying block, explosion-proof mark displaying block, numerical value displaying block, gas title displaying block and time showing Block, described numerical value displaying block display four figures value, the methane and one of described gas title displaying block show percent volumetric concentration Carbonoxide.
5. suspension type methane carbon monoxide measurer as claimed in claim 1, is characterized by, described button is keyswitch type electronic Thin film switch, described button includes plus key, subtracts key, on & off switch and calibration acknowledgement key, the square distribution of described button.
6. suspension type methane carbon monoxide measurer as claimed in claim 1, is characterized by, be sheathed with skin outside described casing Set, described leather sheath is provided with faciola.
CN201520777814.6U 2015-10-09 2015-10-09 Suspension type methane carbon monoxide analyzer Active CN205607950U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106841562A (en) * 2017-02-14 2017-06-13 深圳汇创联合自动化控制有限公司 A kind of methane gas sensor with antiseptic property
CN110426363A (en) * 2019-08-30 2019-11-08 河南理工大学 A kind of carbon monoxide gas concentration rapid determination device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106841562A (en) * 2017-02-14 2017-06-13 深圳汇创联合自动化控制有限公司 A kind of methane gas sensor with antiseptic property
CN110426363A (en) * 2019-08-30 2019-11-08 河南理工大学 A kind of carbon monoxide gas concentration rapid determination device
CN110426363B (en) * 2019-08-30 2021-12-17 河南理工大学 Carbon monoxide gas concentration rapid measurement device

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