CN103967489B - Coal-winning machine safe coal cutting intelligent controlling device and method - Google Patents
Coal-winning machine safe coal cutting intelligent controlling device and method Download PDFInfo
- Publication number
- CN103967489B CN103967489B CN201410121627.2A CN201410121627A CN103967489B CN 103967489 B CN103967489 B CN 103967489B CN 201410121627 A CN201410121627 A CN 201410121627A CN 103967489 B CN103967489 B CN 103967489B
- Authority
- CN
- China
- Prior art keywords
- coal
- gas
- winning machine
- concentration sensor
- coal cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
A kind of safe coal cutting intelligent controlling device of coal-winning machine, high methane underground coal mine fully-mechanized mining working uses.It includes gas concentration sensor, Gas pressure transducer, microprocessor and coal-winning machine coal cutting speed control；Setting gas concentration sensor and Gas pressure transducer on the coal cutting rocking arm of coal-winning machine, in coal-winning machine mining process to fully-mechanized mining working in gas concentration sensor and Gas pressure transducer gas density that coal seam is gushed out and pressure information of gushing out be acquired, and the information that will collect is sent in microprocessor, processor is by being analyzed to collection information, when gas emission exceedes default warning value, output signal of processor is to coal-winning machine coal cutting speed control, the Rolling motor controlling coal-winning machine reduces coal cutting speed, reduce the outburst amount of gas.Avoid the accident that face gas transfinite, be that safety and high efficiency provides guarantee.
Description
Technical field
The present invention relates to a kind of control device and method, especially one kind are applied to high methane underground coal mine fully-mechanized mining working
The coal-winning machine safe coal cutting intelligent controlling device using and method.
Technical background
Coal-winning machine is the necessary production equipment in colliery.During current mechanical mining, miner's high labor intensive, safety
Property is poor, productivity ratio is low.Therefore coal mining Automated condtrol is the trend of coal industry field development.Current various coal-winning machines are also in machine
Tool state, automaticity is relatively low, and in highly gassy mine, with coal cutting exploitation, the gasresolution in coal seam discharges, often
Cause face gas concentration to transfinite, cause a hidden trouble to gas explosion accident, the method solving at present is on the one hand to strengthen ventilation,
On the one hand pass through real-time monitoring, find that gas exceeding limit soon stops operation, miner evacuates to ground.This method not only affects
Production efficiency, nor prevent the danger of gas explosion.
Content of the invention
Present invention aim to address above-mentioned technical problem, provide a kind of structure simple, easy to use, by coal-winning machine
The speed controlling of coal cutting, reaches coal-winning machine safe coal cutting intelligent controlling device and the side of the effect of prevention work face gas exceeding limit
Method.
For realizing above-mentioned technical purpose, the coal-winning machine safe coal cutting intelligent controlling device of the present invention, it includes gas density
Sensor, Gas pressure transducer, microprocessor and coal-winning machine coal cutting speed control；Described gas concentration sensor and
Gas pressure transducer is arranged on the coal cutting rocking arm of coal-winning machine, gas concentration sensor and Gas pressure sensing
Device is connected respectively on microprocessor, and microprocessor is connected with coal-winning machine coal cutting speed control；Described gas density passes
Sensor is piezoelectric type firedamp sensor, is constituted by methane adsorption material and piezoelectric are compound, can with quick response tested watt
This concentration；Described Gas pressure transducer is the silicon-sensitive gas pressure sensor of the pressure of detection Gas；Institute
The coal-winning machine coal cutting speed control stated is electric machine controller, outputs control signals to the motor of coal mining machine roller.
A kind of safe coal cutting intelligent control method of coal-winning machine, its step is：Gas is arranged on the coal cutting rocking arm of coal-winning machine
Concentration sensor and Gas pressure transducer, in coal-winning machine mining process to fully-mechanized mining working in gas concentration sensor
Gas density coal seam gushed out with Gas pressure transducer and pressure information of gushing out are acquired, and will collect information
Be sent in microprocessor, processor by being analyzed to collection information, when gas emission exceedes default warning value,
Output signal of processor, to coal-winning machine coal cutting speed control, controls the Rolling motor of coal-winning machine, so that coal cutting speed is reduced, reduces
The outburst amount of gas, it is to avoid coal-face gas density transfinites the generation of accident.
Beneficial effect:The present invention is by the gas concentration sensor and the Gas pressure that are arranged on coal-winning machine coal cutting rocking arm
Force transducer, real-time detection goes out the gas overflowing situation of coal-face, thus being adjusted to coal mining speed, slows down in coal seam
The speed of gas release, it is to avoid the accident that face gas transfinite, is that safety and high efficiency provides guarantee.
Brief description
Fig. 1 is assembly of the invention theory structure block diagram.
Fig. 2 is piezoelectric type firedamp sensor schematic diagram.
Fig. 3 is piezoelectricity methane sensitive device structure figure.
In figure, 1- gas concentration sensor；2- Gas pressure transducer；3- microprocessor；4- coal-winning machine coal cutting speed
Degree controller；5- oscillating circuit；6- piezoelectricity methane Sensitive Apparatuses；7- operational amplifier；8- sensitive membrane；9- electrode；10- piezoelectricity is thin
Film；11- substrate.
Specific embodiment
Below in conjunction with the accompanying drawings one embodiment of the present of invention is further described：
As shown in figure 1, the coal-winning machine of the present invention safe coal cutting intelligent controlling device, mainly by gas concentration sensor 1, watt
This pressure transducer 2 of gushing out, microprocessor 3 and coal-winning machine coal cutting speed control 4 are constituted；Described gas concentration sensor 1 He
Gas pressure transducer 2 is arranged on the coal cutting rocking arm of coal-winning machine, gas concentration sensor 1 and Gas pressure sensing
Device 2 is connected respectively on microprocessor 3, and microprocessor 3 is connected with coal-winning machine coal cutting speed control 4；Described gas is dense
Degree sensor 1 is piezoelectric type firedamp sensor, is combined with piezoelectric by methane adsorption material and constitutes, can be tested with quick response
Gas density；Described Gas pressure transducer 2 is the silicon-sensitive gas pressure sensing of the pressure of detection Gas
Device；Described coal-winning machine coal cutting speed control 4 is electric machine controller, outputs control signals to the motor of coal mining machine roller.Institute
State microprocessor 3 and adopt ATMEGA16 device, Gas pressure transducer 2 adopts miniature silicon air pressure sensitive sensor
ABS1200, coal-winning machine coal cutting speed control 4 adopts C2000 type electric machine controller.
As shown in Fig. 2 described gas concentration sensor 1 is put by oscillating circuit 5, piezoelectricity methane Sensitive Apparatuses 6 and computing
Big device 7 is constituted, and oscillating circuit 5 exports the input through outfan to operational amplifier 7 for the square-wave signal, piezoelectricity methane Sensitive Apparatuses
6 two ends are connected with the input and output side of operational amplifier 7 respectively, and the outfan of operational amplifier 7 passes for gas density
The outfan of sensor 1.
As shown in figure 3, described piezoelectricity methane Sensitive Apparatuses 6 are by sensitive membrane 8, electrode 9, piezoelectric membrane 10 and substrate 11 structure
Become, sensitive membrane 8 is formed by nano titanium oxide, aluminium oxide and MFOF-5 mixed sintering；Piezoelectric membrane 10 is stood less than 0.5 by volume
The zinc oxide grain of square millimeter is constituted, and thickness is 5 microns；Substrate 11 is quartz insulator material.
The coal-winning machine safe coal cutting intelligent control method of the present invention, on the coal cutting rocking arm of coal-winning machine, setting gas density passes
Sensor 1 and Gas pressure transducer 2, in coal-winning machine mining process to fully-mechanized mining working in gas concentration sensor 1 He
The gas density that Gas pressure transducer 2 is gushed out to coal seam and pressure information of gushing out are acquired, and will collect information
Be sent in microprocessor 3, processor 3 by being analyzed to collection information, when gas emission exceedes default warning value
When, processor 3 outputs signal to coal-winning machine coal cutting speed control 4, controls the Rolling motor of coal-winning machine, so that coal cutting speed is dropped
Low, reduce the outburst amount of gas, it is to avoid coal-face gas density transfinites the generation of accident.
Claims (4)
1. a kind of safe coal cutting intelligent controlling device of coal-winning machine it is characterised in that：It includes gas concentration sensor（1）, gas
Gush out pressure transducer（2）, microprocessor（3）With coal-winning machine coal cutting speed control（4）；Described gas concentration sensor
（1）With Gas pressure transducer（2）It is arranged on the coal cutting rocking arm of coal-winning machine, gas concentration sensor（1）Gush with gas
Go out pressure transducer（2）Outfan respectively with microprocessor（3）Input be connected, microprocessor（3）Outfan with
Coal-winning machine coal cutting speed control（4）Outfan be connected；Coal-winning machine coal cutting speed control（4）With coal mining machine roller motor
It is connected, control it.
2. a kind of safe coal cutting intelligent controlling device of coal-winning machine according to claim 1 it is characterised in that：Described gas
Concentration sensor（1）For can the tested gas density of quick response piezoelectric type firedamp sensor, by methane adsorption material and piezoelectricity
Material cladding is constituted；Described gas concentration sensor（1）Put by oscillating circuit (5), piezoelectricity methane Sensitive Apparatuses (6) and computing
Big device (7) is constituted, and oscillating circuit (5) exports the input through outfan to operational amplifier (7) for the square-wave signal, and piezoelectricity methane is quick
The two ends of inductor component (6) are connected with the input and output side of operational amplifier (7) respectively, the outfan of operational amplifier (7)
For the outfan of gas concentration sensor (1), described piezoelectricity methane Sensitive Apparatuses (6) is by sensitive membrane (8), electrode (9), piezoelectricity
Thin film (10) and substrate (11) are constituted；Piezoelectric membrane 10 is made up of the zinc oxide grain that volume is less than 0.5 cubic millimeter, and thickness is
5 microns；Substrate 11 is quartz insulator material.
3. a kind of safe coal cutting intelligent controlling device of coal-winning machine according to claim 1 it is characterised in that：Described gas
Gush out pressure transducer（2）For detecting the silicon-sensitive gas pressure sensor of the pressure of Gas.
4. a kind of usage right require 1 described device coal-winning machine safe coal cutting intelligent control method it is characterised in that：Adopting
Gas concentration sensor is arranged on the coal cutting rocking arm of coal machine（1）With Gas pressure transducer（2）, in coal-winning machine mining process
In, by middle gas concentration sensor（1）With Gas pressure transducer（2）To the gas gushed out in Seams
Concentration and pressure information are acquired, and the gas density collecting and pressure information are sent to microprocessor（3）In, pass through
Processor（3）Collection information is analyzed process, when gas emission exceedes default warning value, processor（3）Output
Signal is to coal-winning machine coal cutting speed control（4）, control coal mining machine roller decelerating through motor to run, reduce coal cutting speed, minimizing watt
This outburst amount, it is to avoid coal-face gas density transfinites the generation of accident.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121627.2A CN103967489B (en) | 2014-03-28 | 2014-03-28 | Coal-winning machine safe coal cutting intelligent controlling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121627.2A CN103967489B (en) | 2014-03-28 | 2014-03-28 | Coal-winning machine safe coal cutting intelligent controlling device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103967489A CN103967489A (en) | 2014-08-06 |
| CN103967489B true CN103967489B (en) | 2017-03-08 |
Family
ID=51237447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410121627.2A Active CN103967489B (en) | 2014-03-28 | 2014-03-28 | Coal-winning machine safe coal cutting intelligent controlling device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103967489B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847904A (en) * | 2019-11-21 | 2020-02-28 | 常州联力自动化科技有限公司 | Automatic coal cutting method based on discrete control |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267684A (en) * | 2014-09-16 | 2015-01-07 | 黑龙江科技大学 | Coal cutter coal cutting speed and downhole environment system synthetic data collection and analysis platform |
| CN107120113B (en) * | 2017-05-10 | 2018-10-23 | 山东科技大学 | A kind of coalcutter helix drum and coalcutter |
| CN108571320B (en) * | 2018-03-27 | 2020-05-19 | 陕西陕煤黄陵矿业有限公司 | Coal mining machine multi-stage control method for intelligent fully-mechanized coal mining face |
| CN111156048B (en) * | 2020-02-21 | 2021-03-30 | 中煤能源研究院有限责任公司 | Intelligent coal face gas prediction and equipment linkage safety guarantee system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61131566A (en) * | 1984-11-30 | 1986-06-19 | Sanyo Electric Co Ltd | Semiconductor pressure senser |
| CN2555400Y (en) * | 2002-06-17 | 2003-06-11 | 刘广民 | Coal face integrated control system |
| CN201180544Y (en) * | 2007-10-26 | 2009-01-14 | 三一重型装备有限公司 | Intelligent full-automatic combined coal mining system |
| CN201943697U (en) * | 2011-03-15 | 2011-08-24 | 太原矿山机器集团有限公司 | Active explosion suppression type coal mining machine |
| CN103244120B (en) * | 2013-05-23 | 2015-07-29 | 北京天地玛珂电液控制系统有限公司 | A kind of high methane coal mine comprehensive face coal cutter speed kinetic-control system |
-
2014
- 2014-03-28 CN CN201410121627.2A patent/CN103967489B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847904A (en) * | 2019-11-21 | 2020-02-28 | 常州联力自动化科技有限公司 | Automatic coal cutting method based on discrete control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103967489A (en) | 2014-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103967489B (en) | Coal-winning machine safe coal cutting intelligent controlling device and method | |
| CN103174449B (en) | A kind of Coal-rock identification method using rock recognition processor | |
| WO2017080065A1 (en) | System and method for detecting vibration performance of head sheave of mine hoist | |
| CN103244120A (en) | Dynamic speed control system of coal mining machine for coal mine high-gas fully mechanized coal mining face | |
| CN103454099A (en) | Pipe blockage detecting device for paste filling pipelines | |
| CN101890396A (en) | Method for performing pressure differential-frequency conversion combination control on liquid level of flotation column | |
| CN203067032U (en) | Coal mine dust detecting system | |
| CN102419296B (en) | Direct-reading dust concentration measuring instrument | |
| CN202814767U (en) | Anti-collapsing anti-smashing remote sampling monitoring device | |
| CN203321563U (en) | Mine ventilation and gas safety monitoring system | |
| CN203248160U (en) | Coal recognition processor | |
| CN104192536B (en) | Speed control method of material conveying equipment in sampling and sample preparing system | |
| CN208780379U (en) | A kind of piezoelectric type wellbore annulus pressure sensor | |
| CN202693346U (en) | Pipe blockage detection device of pipe filled by paste | |
| CN208763691U (en) | A kind of mine gas drainage hole packer | |
| RU129992U1 (en) | THREE-DIMENSIONAL CONTROL SYSTEM OF AEROGASDYNAMIC PARAMETERS OF THE MINING ATMOSPHERE | |
| CN209025687U (en) | Multifunction mine hydraulic prop | |
| CN216125691U (en) | Crushing mechanism for automatic gold ore dressing system | |
| CN104692080A (en) | Method and device used for detecting slip of belt machine | |
| CN203053827U (en) | Dust concentration sensor circuit for coal mine dust detection | |
| CN214303921U (en) | Coal mine underground machine-mounted equipment gas treatment device | |
| WO2009139743A1 (en) | Arrangement in a drill rig and a method for monitoring an air flow | |
| CN206330989U (en) | A kind of main shaft device rotating monitoring | |
| CN206681798U (en) | A kind of colliery secondary alarm systems | |
| CN201412185Y (en) | Coal mine monitoring and early-warning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 221116 No. 1 University Road, copper mountain, Jiangsu, Xuzhou Patentee after: China University of Mining & Technology Address before: 221116 Research Institute, China University of Mining and Technology, Xuzhou University, Jiangsu, China, Patentee before: China University of Mining & Technology |