CN101363316A - Wireless remote control technology for mechanical boring machine used in coal mine and applications - Google Patents
Wireless remote control technology for mechanical boring machine used in coal mine and applications Download PDFInfo
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- CN101363316A CN101363316A CNA2008100133633A CN200810013363A CN101363316A CN 101363316 A CN101363316 A CN 101363316A CN A2008100133633 A CNA2008100133633 A CN A2008100133633A CN 200810013363 A CN200810013363 A CN 200810013363A CN 101363316 A CN101363316 A CN 101363316A
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Abstract
The present invention relates to a wireless remote control application technology of a coal mine excavator. A remote control system mainly consists of a wireless emitter, a wireless receiver, a control convertor, a programmable controller (PLC), an electromagnetic reversing valve, an electro-hydraulic proportional valve, a permissible motor and a support circuit. The digital remote control emitter is a portable low-power wireless emitter with a stainless steel casing. The inner part consists of an intrinsic safety output battery pack, an operating button, a low-power miniature controller, a quartz phase locking stabilized frequency digital frequency modulation emitting circuit, a radio frequency power amplifying circuit, an emitting antenna, etc. During the remote control operation, a wireless receiving device receives a corresponding operation signal of the emitter; the operation signal is converted into a relay signal by the convertor; the relay signal can be identified by the PLC and is used as an input control signal of the PLC, and a corresponding output function driving and executing mechanism of the PLC completes various action requirements. The technology is convenient and safe for using and has high efficiency.
Description
Technical field
The present invention relates to a kind of mining machinery, particularly relate to the application technology of a kind of wireless remote control on coal mine development machine.
Background technology
Maximization, intellectuality, unmanned development machine control technology are the developing direction of following boom-type roadheader control technology, but with regard to current international technology level, still need and on several problems such as automatic adjusting control of visual ore recognition technology, section moulding control technology, the intellectuality control of remembering cut technology, walking mechanism, cut power, to make a breakthrough, could realize.In the present circumstance, though indivedual in the world companies indivedual technical progress that obtained therein, because manufacturing cost is too high, stable problem such as not good enough does not obtain penetration and promotion in actual applications.Therefore, there are big, the problems such as operating condition is poor, working security difference of its labour intensity in the manual operations of the development machine that continuity is conventional.
Summary of the invention
The objective of the invention is to:, propose a kind of application technology that wireless remote control technology is applied to coal mine development machine for solving the manual problem of development machine.
The present invention solves the shortcoming that prior art exists, the technical scheme of being taked is: the application of the wireless remote control application technology of coal mine development machine, its remote control system mainly is made up of wireless launcher, wireless receiver, control converter, programmable logic controller (PLC), solenoid operated directional valve, electro-hydraulic proportional valve, flame-proof electric motor and auxiliary circuit, it is characterized in that: it is the portable low powered radio transmitter of shell with the stainless steel that digital telecontrol transmitter is one.Inside partly is made up of intrinsic safety output battery pack, action button, low-power consumption micro controller, the digital modulating emission circuit of quartzy phase locking frequency stabilized, RF power amplification circuit and transmitting antenna etc., and wireless launcher adopts (PLL) phase-locked loop and low-noise voltage-controlled oscillator to add dual quartzy Frequency Stabilization Technique; Adopt low-power consumption high-performance single-chip microcomputer that operation signal is carried out digital coding, operation signal has measures such as safety code, Hamming code; Be provided with several action buttons for directly operating, the full digital processing pattern can be carried out multiple operating function by two keys are multiplexing.
When carrying out straighforward operation, radio receiver receives the corresponding operating signal of transmitter, be converted into the relay signal that (PLC) can discern by converter, as the input control signal of (PLC), corresponding output function (PLC) drives executing agency and finishes the exercises requirement.
Adopt lithium battery power supply, the super low-power consumption designing technique makes the emission average current less than 10mA, and standby current average is less than 0.3mA, and can utilize supporting charger that battery is charged.In the shell mechanism design, adopt particular manufacturing craft compacting enhanced type silicon rubber keyboard to cooperate with firm stainless steel faceplate.
The invention has the beneficial effects as follows: because wireless receiving partly adopts high-performance distributed constant wave filter and low noise high performance amplifier, highly sensitive, antijamming capability is strong; (UHF) frequency range adopts the external signal receiving terminal, and the radiofrequency signal loss is few, the wireless receiving stable performance; Adopt the high-performance data processing controller to carry out software filtering and decoding to received signal, carry out the maltilevel security verification to received signal, make processing safety high; Split-type design adopts fieldbus to connect between the receiver each several part, form modularization, and system's mounting arrangements is flexible; Up to the output of 22 road relay tips, abundant with the corollary equipment connectivity port;
In the explosion environment that gas and coal dust are arranged, particularly slight loosening when the appearance of colliery development end top board, the vibrations that produce when development machine tunnels may cause under the situation of landslide that the operator can guarantee that eyesight can reach, the position of safety operation, headwork is carried out in remote control.Just in case when fortuitous event such as top board comes off, landslide occurring, can not constitute personal injury, and can in safety, valid function distance, development machine be left hazardous environment to the operator.
Description of drawings
Fig. 1 is the control system theory diagram;
Fig. 2 is programmable logic controller (PLC) schematic diagram;
Fig. 3 is digital telecontrol transmitter theory diagram;
Fig. 4 is the remote-control receiver theory diagram.
The invention will be further described below in conjunction with drawings and Examples.
The specific embodiment
As shown in Figure 1, the structural principle block diagram that is used for the boom-type roadheader wireless remote-control system, mainly by wireless launcher, wireless receiver, control converter, programmable logic controller (PLC), solenoid operated directional valve, electric-hydraulic proportion penalize, flame-proof electric motor and some auxiliary circuits form.
Wireless receiving partly adopts high-performance distributed constant wave filter and low noise high performance amplifier as shown in Figure 4, and highly sensitive, antijamming capability is strong;
(UHF) frequency range adopts the external signal receiving terminal, and the radiofrequency signal loss is few, the wireless receiving stable performance;
Adopt the high-performance data processing controller to carry out software filtering and decoding to received signal, carry out the maltilevel security verification to received signal, make processing safety high;
Split-type design adopts fieldbus to connect between the receiver each several part, form modularization, and system's mounting arrangements is flexible;
Up to the output of 22 road relay tips, abundant with the corollary equipment connectivity port;
The crucial component of remote-control receiver all adopts the high-quality element, and in house software is through high strength experimental test, safety and stability.
GB3836.1-2000 and GB3836.4-2000 requirement are all satisfied in the design of telecontrol transmitter and receiver, are adapted at having under the coal mine of gas and coal-dust explosion mixture using.
As shown in Figure 2, digital telecontrol transmitter, being one is the portable low powered radio transmitter of shell with the stainless steel.Inside partly is made up of intrinsic safety output battery pack, action button, low-power consumption micro controller, the digital modulating emission circuit of quartzy phase locking frequency stabilized, RF power amplification circuit and transmitting antenna etc.
The straighforward operation push button signalling, be input in the inside micro controller, carry out that digital coding encrypts that frequency modulation is carried out by the special circuit that adopts the quartz crystal phase locking frequency stabilized in the back, back and frequency conversion forms high-frequency carrier signal and by exporting corresponding radio remote-controlled signal by antenna after the power amplification by interface circuit.After the start, according to the different operating state, power consumption is controlled automatically to system by microcontroller, and long button operation signal is carried out the pulse emission, at utmost reduces power consumption.According to user's needs, telecontrol transmitter can be provided with startup password, prevents undelegated maloperation.
In the shell mechanism design, adopt particular manufacturing craft compacting enhanced type silicon rubber keyboard to cooperate with firm stainless steel faceplate, whole remote controller compact in design, firm in structure.According to the environmental quality of industrial and mineral use dust humidity, pay attention to the sealing performance of telecontrol transmitter especially, improve at the structure of sealing differences such as common power supply of remote controller switch, antenna port and battery compartment.Abandon toggle switch fully, ship type switch etc. is unfavorable for the power switch structure that seals, a series of measures such as customization dedicated fixed dual-mode antenna and multiple dust-proof sealing structure, make the emitter body seal, can reach IP65 (comprising power switch and antenna port), be adapted at using in dust, moist factory and the inferior adverse circumstances of coal mine.
The concrete using method of remote control is as follows:
After the switch of emitter got to " closing " position, regulate transmitting power, the power supply indicator of transmitter is bright simultaneously, select appropriate power after, press corresponding action button (flicker of emission lamp), the corresponding indicator lamp of receiver is bright simultaneously, finishes corresponding actions.
Remote manipulator system has the remote control distance of 15-20 rice, realizes the intrinsic safe explosion-proof design, and success and (PLC) control system achieve a butt joint.Utilize relay output to finish switching value and analog quantity control, finish the various functions of development machine flexibly in the down-hole, as: left front, left back, right front, right back, star-wheel just changes, star-wheel counter-rotating, coal cutting are stretched, coal cutting contracts, coal cutting liter, coal cutting fall, a coal cutting left side, the coal cutting right side, two fortune just, two fortune are anti-, the back is supported and risen, the back support fall, reprint stop, main pump stops, coal cutting stops, standby stopping.
This system is divided into manually-operated and two kinds of patterns of wireless remote control operation, and they are separate.When carrying out straighforward operation, radio receiver receives the corresponding operating signal of transmitter, be converted into the relay signal that (PLC) can discern by converter, as the input control signal of (PLC), corresponding output function (PLC) drives executing agency and finishes the exercises requirement.
Claims (3)
1. the wireless remote control application technology of coal mine development machine, this remote control system is mainly by wireless launcher, wireless receiver, the control converter, programmable logic controller (PLC), solenoid operated directional valve, electro-hydraulic proportional valve, flame-proof electric motor and auxiliary circuit are formed, it is characterized in that: it is the portable low powered radio emission of shell with the stainless steel that digital telecontrol transmitter is one, inner by intrinsic safety output battery pack, action button, the low-power consumption micro controller, the digital modulating emission circuit of quartzy phase locking frequency stabilized, RF power amplification circuit and transmitting antenna etc. are partly formed, and wireless launcher adopts (PLL) phase-locked loop and low-noise voltage-controlled oscillator to add dual quartzy Frequency Stabilization Technique; Adopt low-power consumption high-performance single-chip microcomputer that operation signal is carried out digital coding, operation signal has measures such as safety code, Hamming code; Be provided with several action buttons for directly operating, the full digital processing pattern can be carried out multiple operating function by two keys are multiplexing;
When carrying out straighforward operation, radio receiver receives the corresponding operating signal of transmitter, be converted into the relay signal that (PLC) can discern by converter, as the input control signal of (PLC), corresponding output function (PLC) drives executing agency and finishes the exercises requirement.
2. according to the wireless remote control technology application technology of claim 1 described coal mine development machine, it is characterized in that: adopt lithium battery power supply, the emission average current is less than 10mA, and standby current average can utilize supporting charger that battery is charged less than 0.3mA.
3. according to the wireless remote control technology application technology of claim 1 described coal mine development machine, it is characterized in that: in the shell mechanism design, adopt particular manufacturing craft compacting enhanced type silicon rubber keyboard to cooperate with firm stainless steel faceplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100133633A CN101363316A (en) | 2008-09-25 | 2008-09-25 | Wireless remote control technology for mechanical boring machine used in coal mine and applications |
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| CNA2008100133633A CN101363316A (en) | 2008-09-25 | 2008-09-25 | Wireless remote control technology for mechanical boring machine used in coal mine and applications |
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| CN101363316A true CN101363316A (en) | 2009-02-11 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859121A (en) * | 2010-04-14 | 2010-10-13 | 武汉船用机械有限责任公司 | Hydraulic motor remote control system of towing winch and signal processing method thereof |
| CN102393999A (en) * | 2011-12-09 | 2012-03-28 | 天地上海采掘装备科技有限公司 | Bidirectional remote control system and method for mining |
| CN103147756A (en) * | 2013-03-20 | 2013-06-12 | 中国矿业大学(北京) | Heading machine memory cutting control system and method thereof |
| CN103295375A (en) * | 2012-03-02 | 2013-09-11 | 江阴中科矿业安全科技有限公司 | Wireless remote control system of deep hole drill carriage for coal mine |
| CN103670431A (en) * | 2013-12-09 | 2014-03-26 | 淮南矿业(集团)有限责任公司 | Intelligent tunneling cutting system |
| CN105064998A (en) * | 2015-07-23 | 2015-11-18 | 江苏中煤矿山设备有限公司 | Wireless remote control manual-automatic lateral unloading coal loader for coal mine |
| CN105715271A (en) * | 2016-05-03 | 2016-06-29 | 中国矿业大学(北京) | Beyond-visual-range remote control system for cantilever type heading machine |
| CN102393999B (en) * | 2011-12-09 | 2016-12-14 | 天地上海采掘装备科技有限公司 | A kind of two-way mine remote control system and method |
| CN109854225A (en) * | 2018-12-26 | 2019-06-07 | 中国煤炭科工集团太原研究院有限公司 | A kind of mine bolt drilling machine electrohydraulic control system |
| CN113282053A (en) * | 2021-06-04 | 2021-08-20 | 山东拓新电气有限公司 | Automatic cutting control system of boom-type heading machine |
-
2008
- 2008-09-25 CN CNA2008100133633A patent/CN101363316A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859121A (en) * | 2010-04-14 | 2010-10-13 | 武汉船用机械有限责任公司 | Hydraulic motor remote control system of towing winch and signal processing method thereof |
| CN101859121B (en) * | 2010-04-14 | 2012-01-11 | 武汉船用机械有限责任公司 | Hydraulic motor remote control system of towing winch and signal processing method thereof |
| CN102393999A (en) * | 2011-12-09 | 2012-03-28 | 天地上海采掘装备科技有限公司 | Bidirectional remote control system and method for mining |
| CN102393999B (en) * | 2011-12-09 | 2016-12-14 | 天地上海采掘装备科技有限公司 | A kind of two-way mine remote control system and method |
| CN103295375A (en) * | 2012-03-02 | 2013-09-11 | 江阴中科矿业安全科技有限公司 | Wireless remote control system of deep hole drill carriage for coal mine |
| CN103147756A (en) * | 2013-03-20 | 2013-06-12 | 中国矿业大学(北京) | Heading machine memory cutting control system and method thereof |
| CN103670431A (en) * | 2013-12-09 | 2014-03-26 | 淮南矿业(集团)有限责任公司 | Intelligent tunneling cutting system |
| CN105064998A (en) * | 2015-07-23 | 2015-11-18 | 江苏中煤矿山设备有限公司 | Wireless remote control manual-automatic lateral unloading coal loader for coal mine |
| CN105715271A (en) * | 2016-05-03 | 2016-06-29 | 中国矿业大学(北京) | Beyond-visual-range remote control system for cantilever type heading machine |
| CN109854225A (en) * | 2018-12-26 | 2019-06-07 | 中国煤炭科工集团太原研究院有限公司 | A kind of mine bolt drilling machine electrohydraulic control system |
| CN109854225B (en) * | 2018-12-26 | 2024-05-17 | 中国煤炭科工集团太原研究院有限公司 | Electrohydraulic control system of coal mine jumbolter |
| CN113282053A (en) * | 2021-06-04 | 2021-08-20 | 山东拓新电气有限公司 | Automatic cutting control system of boom-type heading machine |
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Open date: 20090211 |