CN104406639A - Coal mine underground multi-gas detection device and method thereof - Google Patents
Coal mine underground multi-gas detection device and method thereof Download PDFInfo
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- CN104406639A CN104406639A CN201410829076.5A CN201410829076A CN104406639A CN 104406639 A CN104406639 A CN 104406639A CN 201410829076 A CN201410829076 A CN 201410829076A CN 104406639 A CN104406639 A CN 104406639A
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Abstract
The invention discloses a coal mine underground multi-gas detection device and a method thereof. The coal mine underground multi-gas detection device comprises a main control processing unit, a time module, a catalytic CH4 detection head, an electrochemical O2 detection head, an ambient temperature acquisition module, a four-section nixie tube, a passive buzzer, an LED light alarm circuit, a USB conversion data interface, a battery voltage sampling circuit and a touch key input module, wherein the main control processing unit comprises an I2C driving control module, an ADC detection module I, an ADC detection module II, a single-bus driving module, an SPI touch key driving module, a real-time ADC power supply voltage detection module, an internal EEPROM memory, a USB external interface, an I/O control output module I, a double-PWM control driving circuit and an I/O control output module II. A multi-gas signal is compensated and corrected by adopting a digital processing technology, so that the detection precision is guaranteed.
Description
Technical field
The present invention relates to a kind of gas-detecting device, particularly relate to the many gas-detecting devices of a kind of underground coal mine and method, belong to mining equipment technical field.
Background technology
China is coal production maximum in the world and country of consumption, is also that a few take coal as one of country of main energy sources in the world.Although by coal production, processing and utilization etc., provide considerable job opportunity, the extensive use of coal resources brings the series of problems such as environmental pollution, safety simultaneously.Can harmful gas be produced in progress of coal mining, comprise CH4, CO, SO2, NOx etc.These two kinds of gas contents of SO2, NOx are few, and soluble in water, become acid after the water spray process when coal mining.But these two kinds of gas contents of CH4, CO are many, and water-soluble hardly, belong to flammable explosive gas, very big to harm after sucking CO.Simultaneously due to gas, fire and the major accident that causes occurs often, cause safely loss greatly and harm to national wealth and people's life.Therefore, prevention gas accident is the emphasis of Safety Work in Colliery, gas accident is not controlled, just can not realize the stable improvement of Safety of Coal Mine Production situation, also just can not ensure the sustainable and healthy development of coal industry.Therefore, monitor fast and accurately the various gas of underground coal mine and seem particularly important, be also the problem that industry is paid close attention to the research and development of inflammable and explosive mixed gas measuring instrument always.
The detector of prior art is confined to the detection to single methane gas, does not have oxygen detection, environment temperature measuring ability.Single methane testing tool, cannot meet the growing market demand,
Summary of the invention
The object of the present invention is to provide the many gas-detecting devices of a kind of underground coal mine and method, underground coal mine multiple gases is detected simultaneously and shows on instrument.
Object of the present invention is achieved by the following technical programs:
The many gas-detecting devices of a kind of underground coal mine, comprise master control processing unit, time module, catalysis type CH4 detection head, galvanochemistry O2 detection head, temperature collection module, four segment numeral pipes, passive hummer, LED lamplight warning circuit, USB translation data interface, battery voltage sampling circuit, touch key-press load module, described master control processing unit comprises I2C drive control module, ADC detection module one, ADC detection module two, unibus driver module, SPI touch controlled key driver module, the real-time detection module of ADC supply voltage, inner eeprom memory, USB external interface, I/O controls output module one, dual PWM-VSI driving circuit, I/O controls output module two, described time module is connected with the I2C drive control module of master control processing unit, described catalysis type CH4 detection head is connected with ADC detection module one, described galvanochemistry O2 detection head is connected with ADC detection module two, described temperature collection module is connected with unibus driver module, touch key-press load module is connected with SPI touch controlled key driver module, battery voltage sampling circuit is connected with the real-time detection module of ADC supply voltage, USB translation data interface is connected with USB external interface, LED lamplight warning circuit and I/O control output module one and are connected, passive hummer is connected with dual PWM-VSI driving circuit, and four segment numeral pipes and I/O control output module two and be connected.
A detection method for the many gas-detecting devices of underground coal mine, comprises the following steps:
1) simulating signal that galvanochemistry O2 detection head, catalysis type CH4 detection head detect is changed through ADC;
2) by digit complement filter process data, digit complement filter output value D
kfor: D
k=D
k-1q+D
t(1-Q); Wherein D
tcurrent detection value, D
k-1the output valve of digit complement wave filter last time, D
kbe that Contemporary Digital complementary filter will output valve, Q is filter parameter, 0.01 ﹤ Q ﹤ 0.5;
3) data fitting compensation is carried out, H
t=D
kf (x), H
tbe output valve after data fitting compensates, f (x) is fitting function, and f (x)=pow (x, y), pow (x, y) is exponential function, 0.5 < x < D
k, 0.0001 < y < 0.01.
4) data after output processing.
Object of the present invention can also be realized further by following technical measures:
The many gas-detecting devices of aforementioned underground coal mine, wherein I2C drive control module model is DS1302.
The many gas-detecting devices of aforementioned underground coal mine, wherein unibus driver module model is DS18B20.
The many gas-detecting devices of aforementioned underground coal mine, wherein SPI touch controlled key driver module model is CAP1133.
The detection method of the many gas-detecting devices of aforementioned underground coal mine, wherein filter parameter Q is 0.35.
Compared with prior art, the invention has the beneficial effects as follows: the present invention uses touch controlled key technology, improve the serviceable life of product, enhance the adaptive faculty of product to environment for use; Wireless Data Transmission is applied to the Data processing of product, is convenient to the inquiry to passing detected parameters, keeps, display, process etc.Adopt digital processing technology to compensate rectification to many gas signals, ensure that accuracy of detection.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of the many gas-detecting devices of underground coal mine of the present invention;
Fig. 2 is the detection method process flow diagram of the many gas-detecting devices of underground coal mine of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, the many gas-detecting devices of underground coal mine comprise master control processing unit, time module, catalysis type CH4 detection head, galvanochemistry O2 detection head, temperature collection module, four segment numeral pipes, passive hummer, LED lamplight warning circuit, USB translation data interface, battery voltage sampling circuit, touch key-press load module, described master control processing unit comprises I2C drive control module, ADC detection module one, ADC detection module two, unibus driver module, SPI touch controlled key driver module, the real-time detection module of ADC supply voltage, inner eeprom memory, USB external interface, I/O controls output module one, dual PWM-VSI driving circuit, I/O controls output module two, described time module is connected with the I2C drive control module of master control processing unit, described catalysis type CH4 detection head is connected with ADC detection module one, described galvanochemistry O2 detection head is connected with ADC detection module two, described temperature collection module is connected with unibus driver module, touch key-press load module is connected with SPI touch controlled key driver module, battery voltage sampling circuit is connected with the real-time detection module of ADC supply voltage, USB translation data interface is connected with USB external interface, LED lamplight warning circuit and I/O control output module one and are connected, passive hummer is connected with dual PWM-VSI driving circuit, and four segment numeral pipes and I/O control output module two and be connected.Described I2C drive control module model is DS1302, and unibus driver module model is DS18B20, SPI touch controlled key driver module model is CAP1133.
The detection method of the many gas-detecting devices of underground coal mine, comprises the following steps:
2) simulating signal that galvanochemistry O2 detection head, catalysis type CH4 detection head detect is changed through ADC;
2) by digit complement filter process data, digit complement filter output value D
kfor: D
k=D
k-1q+D
t(1-Q); Wherein D
tcurrent detection value, D
k-1the output valve of digit complement wave filter last time, D
kbe that Contemporary Digital complementary filter will output valve, Q is filter parameter, and Q is 0.35;
3) data fitting compensation is carried out, H
t=D
kf (x), H
tbe output valve after data fitting compensates, f (x) is fitting function, and f (x)=pow (x, y), pow (x, y) is exponential function, 0.5 < x < D
k, 0.0001 < y < 0.01.
4) data after output processing.
The present invention detects first-class sensing head element and detection data is passed to main control chip process; Then, contrasted the numerical value whether reaching overload alarm by the threshold values in main control chip, and demonstrate each detected value on charactron/liquid crystal display; If transfinited, then carried out the concentration of this gas of sound and light alarm prompting testing staff by hummer and LED; The data such as the gas detected in the process and environment temperature can be stored in as persistence in main control chip, and send these data stored to host computer by wave point (WIFI/2.4G); The man-machine interaction of whole system is completed by touch controlled key technology.
The present invention uses up-to-date multiparameter detection technique; high precision, robotization, networking and reliability service are showed; detect the concentration of multiple environmental gas; reach the various gas detect object in down-hole; the safety of protection underground work personnel, provides strong analysis means for detecting potential safe operation hidden danger.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (6)
1. the many gas-detecting devices of underground coal mine, is characterized in that, comprise master control processing unit, time module, catalysis type CH4 detection head, galvanochemistry O2 detection head, temperature collection module, four segment numeral pipes, passive hummer, LED lamplight warning circuit, USB translation data interface, battery voltage sampling circuit, touch key-press load module, described master control processing unit comprises I2C drive control module, ADC detection module one, ADC detection module two, unibus driver module, SPI touch controlled key driver module, the real-time detection module of ADC supply voltage, inner eeprom memory, USB external interface, I/O controls output module one, dual PWM-VSI driving circuit, I/O controls output module two, described time module is connected with the I2C drive control module of master control processing unit, described catalysis type CH4 detection head is connected with ADC detection module one, described galvanochemistry O2 detection head is connected with ADC detection module two, described temperature collection module is connected with unibus driver module, touch key-press load module is connected with SPI touch controlled key driver module, battery voltage sampling circuit is connected with the real-time detection module of ADC supply voltage, USB translation data interface is connected with USB external interface, LED lamplight warning circuit and I/O control output module one and are connected, passive hummer is connected with dual PWM-VSI driving circuit, and four segment numeral pipes and I/O control output module two and be connected.
2. many gas-detecting devices of underground coal mine as claimed in claim 1, it is characterized in that, described I2C drive control module model is DS1302.
3. many gas-detecting devices of underground coal mine as claimed in claim 1, it is characterized in that, described unibus driver module model is DS18B20.
4. many gas-detecting devices of underground coal mine as claimed in claim 1, it is characterized in that, described SPI touch controlled key driver module model is CAP1133.
5. a detection method for many gas-detecting devices of underground coal mine as claimed in claim 1, is characterized in that, comprise the following steps:
1) simulating signal that galvanochemistry O2 detection head, catalysis type CH4 detection head detect is changed through ADC;
2) by digit complement filter process data, digit complement filter output value D
kfor: D
k=D
k-1q+D
t(1-Q); Wherein D
tcurrent detection value, D
k-1the output valve of digit complement wave filter last time, D
kbe that Contemporary Digital complementary filter will output valve, Q is filter parameter, 0.01 < Q < 0.5;
3) data fitting compensation is carried out, H
t=D
kf (x), H
tbe output valve after data fitting compensates, f (x) is fitting function, and f (x)=pow (x, y), pow (x, y) is exponential function, 0.5 < x < D
k, 0.0001 < y < 0.01;
4) data after output processing.
6. the detection method of many gas-detecting devices of underground coal mine as claimed in claim 5, it is characterized in that, described filter parameter Q is 0.35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410829076.5A CN104406639A (en) | 2014-12-26 | 2014-12-26 | Coal mine underground multi-gas detection device and method thereof |
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| CN201410829076.5A CN104406639A (en) | 2014-12-26 | 2014-12-26 | Coal mine underground multi-gas detection device and method thereof |
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| CN104406639A true CN104406639A (en) | 2015-03-11 |
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| CN201410829076.5A Pending CN104406639A (en) | 2014-12-26 | 2014-12-26 | Coal mine underground multi-gas detection device and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459403A (en) * | 2018-12-12 | 2019-03-12 | 镇江中煤电子有限公司 | The more gas-detecting devices of underground coal mine and detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6418778B1 (en) * | 2001-02-26 | 2002-07-16 | Jong-Jiing Shiau | Gas detector equipped with feedback function |
| CN200972475Y (en) * | 2006-10-27 | 2007-11-07 | 北京康尔兴科技发展有限公司 | Air quality monitor |
| CN202049108U (en) * | 2011-04-29 | 2011-11-23 | 南京北路自动化系统有限责任公司 | Gas detecting device for mine shaft based on wireless emission device |
| CN202916227U (en) * | 2012-11-16 | 2013-05-01 | 鹤壁市雅丽安全仪器有限责任公司 | Methane and oxygen double-parameter alarm |
| CN103837658A (en) * | 2014-03-25 | 2014-06-04 | 成都国科海博信息技术股份有限公司 | Gas detection tester |
-
2014
- 2014-12-26 CN CN201410829076.5A patent/CN104406639A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6418778B1 (en) * | 2001-02-26 | 2002-07-16 | Jong-Jiing Shiau | Gas detector equipped with feedback function |
| CN200972475Y (en) * | 2006-10-27 | 2007-11-07 | 北京康尔兴科技发展有限公司 | Air quality monitor |
| CN202049108U (en) * | 2011-04-29 | 2011-11-23 | 南京北路自动化系统有限责任公司 | Gas detecting device for mine shaft based on wireless emission device |
| CN202916227U (en) * | 2012-11-16 | 2013-05-01 | 鹤壁市雅丽安全仪器有限责任公司 | Methane and oxygen double-parameter alarm |
| CN103837658A (en) * | 2014-03-25 | 2014-06-04 | 成都国科海博信息技术股份有限公司 | Gas detection tester |
Non-Patent Citations (2)
| Title |
|---|
| 郭伟杰: ""煤矿井下多种气体一体化传感技术的研究"", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 陈燕: ""基于ARM的矿用便携式多气体检测仪的研制"", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459403A (en) * | 2018-12-12 | 2019-03-12 | 镇江中煤电子有限公司 | The more gas-detecting devices of underground coal mine and detection method |
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Application publication date: 20150311 |
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