CN112158557A - Novel flexible control of many belts speed matching in pit device - Google Patents
Novel flexible control of many belts speed matching in pit device Download PDFInfo
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- CN112158557A CN112158557A CN202010780321.3A CN202010780321A CN112158557A CN 112158557 A CN112158557 A CN 112158557A CN 202010780321 A CN202010780321 A CN 202010780321A CN 112158557 A CN112158557 A CN 112158557A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
Abstract
The invention discloses a novel underground multi-belt speed matching flexible control device which is characterized by comprising an underground conveying belt system, a belt speed sensor, an electronic belt scale and a control system, wherein the underground conveying belt system comprises a belt speed sensor and a belt speed sensor; the invention realizes the matching of the conveying capacity and the speed of the belt coal conveying system, can obviously improve the effective operation time of the belt conveying system, improve the production efficiency and reduce or even avoid the occurrence of belt overload and coal piling accidents; the maintenance time of the belt equipment is greatly reduced, and the service life of the belt conveying equipment is prolonged. The operation cost of the equipment is reduced, and the production safety is improved. The economic and social benefits are very obvious. The multi-belt speed and transportation capacity matching system can realize real-time monitoring of the speed, the coal transportation amount and the equipment load of each underground coal transportation belt, is convenient for monitoring and managing the coal production process, realizes intelligent control of the belt coal transportation system, and meets and adapts to the requirements of safe production scheduling of modern mines.
Description
Technical Field
The invention relates to the technical field of coal, and particularly provides a novel underground multi-belt speed matching flexible control device.
Background
The belt conveying system of underground coal is one of main working systems in coal mine production, and plays an important role in coal mine safety production. At present, the speed control mode of a panel area and a main lane belt of a part of underground mining areas still adopts a traditional independent operation mode, and the adjustment is realized only by artificially informing the production slowing of the panel area and reducing the belt conveying speed of the panel area through artificially observing the coal conveying amount of the main lane belt and the belt of each panel area, but the balance and stability of belt conveying cannot be ensured due to the inertia and hysteresis of a conveying system and the factors of artificial observation. If the belt conveying system is blocked, buried and overloaded, the underground belt conveying system cannot normally operate, even the belt conveying system is damaged, so that coal produced underground cannot be normally conveyed to a well, the production of a coal mine is stopped, the labor intensity of workers is increased, and even great threats are caused to production and workers. Particularly, for simultaneous coal mining of a plurality of panel areas and simultaneous conveying to a main lane belt, imbalance of coal conveying of the main lane belt is easily caused due to randomness of coal mining production, instantaneous overload of the main lane belt is caused, and damage to the belt and damage to belt driving equipment are caused; and more serious, the junction of the gate belt and the main belt causes coal piling and even burying. The workload and the working difficulty of the belt burying cleaning and recovering production are great, and a great amount of manpower, material resources and time cost are required. The belt overload and coal piling halt caused by the unbalance of the belt coal conveying account for 10 percent of the normal operation time through incomplete statistics, and the influence on the coal yield is large.
Therefore, it is an urgent need for those skilled in the art to improve the package structure and the packaging method of the infrared sensor in the market to overcome the above disadvantages and provide the above advantages.
Disclosure of Invention
The invention aims to provide a novel underground multi-belt speed matching flexible control device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel underground multi-belt speed matching flexible control device comprises an underground transportation belt system, a belt speed sensor, an electronic belt scale and a control system, wherein the transportation belt is installed at a corresponding position in a coal mine underground, a coal quantity detection sensor and a belt speed sensor are arranged at the front section of the transportation belt in a coal mine underground roadway, a gateway and a main roadway, and the control system comprises an underground upper computer control station, an underground industrial ring network, an underground data control main station and a plurality of underground data control substations; the underground data control main station is in control connection with a belt coal quantity control sensor, a belt speed sensor, a broadcast voice system and a main lane belt start-stop controller; the underground data control substation is connected with a belt coal quantity control sensor, a belt speed sensor, a broadcast voice system and a belt frequency conversion speed regulation system in a control manner; the underground industrial ring network is connected with the underground data control master station and the underground data control substation through an underground ring network switch.
As an improvement: the underground transportation belt system comprises an upper bin belt, a main inclined shaft belt, two main lane belts and four branch lane belts.
As a further improvement: data control main website in pit and data control substation in pit all include control box and control switch, and the control box adopts KXJ1 mining flame proof and intrinsic safety type programmable control case concurrently, and the control box includes wiring chamber 1, main chamber 9 and observation window 2, main chamber 9 upper end body coupling wiring chamber 1, wiring chamber 1 lateral wall is provided with data plate 3, A1 outlet 5, A3 outlet 6 and A4 outlet 7, main chamber 9 front side is provided with main chamber door closure 4, is provided with observation window 2 on the main chamber door closure, switch knob 8 is installed to main chamber 9 lateral wall, sled 10 is installed to main chamber 9 lower extreme, main chamber 9 internally mounted has PLC controller 11, optical cable adapter 12, first fuse 13, switch 14, transformer 15, second fuse 16 and AC/DC switching power supply 17 in proper order.
As a further improvement: the aboveground upper computer control station adopts an industrial personal computer pre-installed with Siemens configuration software WINCC, and the underground data control master station and the underground data control substation host adopt German Siemens S7-1200/1500 series PLC controllers and I/O modules; and the underground data control master station, the underground data control substation and the aboveground upper computer control station are all in networking communication by using Siemens PROFINT.
As a further improvement: the coal quantity detection sensor comprises an electronic belt scale and a 3D visual coal quantity meter.
As a further improvement: the electronic belt scale adopts an ICS-17J mining flame-proof and intrinsically safe electronic belt scale.
Compared with the prior art, the invention has the advantages that: the invention realizes the matching of the conveying capacity and the speed of the belt coal conveying system, can obviously improve the effective operation time of the belt conveying system, improve the production efficiency and reduce or even avoid the occurrence of belt overload and coal piling accidents; the maintenance time of the belt equipment is greatly reduced, and the service life of the belt conveying equipment is prolonged. The operation cost of the equipment is reduced, the labor intensity of workers is reduced, and the production safety is improved. The economic and social benefits are very obvious. The multi-belt speed and transportation capacity matching system can realize real-time monitoring of the speed, the coal transportation amount and the equipment load of each underground coal transportation belt, and is convenient for monitoring and managing the coal production process, so that the operation posture of the belt transportation system can be automatically or manually allocated according to the belt speed matching control strategy and the production and process requirements, the intelligent control of the belt coal transportation system is realized, and the requirements of the modern mine safe production scheduling are met and adapted.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a diagram of a speed matching flexible control system for a novel downhole multi-belt speed matching flexible control device for downhole coal belt transportation;
FIG. 2 is a schematic diagram of a layout of a downhole coal belt of the novel downhole multi-belt speed matching flexible control device;
FIG. 3 is a front view of a control box in the novel downhole multi-belt speed matching flexible control device;
FIG. 4 is a side view of a control box in the novel downhole multi-belt speed matching flexible control device;
FIG. 5 is a structural diagram of a novel downhole multi-belt speed matching flexible control device when a control box is opened.
In the figure: the intelligent safety protection device comprises a wiring cavity 1, an observation window 2, A3-nameplate, a 4-main cavity door cover, a 5-A1 outlet, a 6-A3 outlet, a 7-A4 outlet, A8-power switch knob, a 9-main cavity, a 10-sled, a 11-PLC controller, a 12-optical cable adapter, a 13-first fuse, a 14-power switch, a 15-transformer, a 16-second fuse and a 17-AC/DC switching power supply.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the invention, a novel underground multi-belt speed matching flexible control device comprises an underground transportation belt system, a belt speed sensor, an electronic belt scale and a control system, wherein a transportation belt is installed at a corresponding position in an underground coal mine, a coal quantity detection sensor and a belt speed sensor are arranged at the front section of the transportation belt in a lower lane, a gate way and a main lane of the coal mine, and the control system comprises an underground upper computer control station, an underground industrial ring network, an underground data control main station and a plurality of underground data control substations; the underground data control main station is in control connection with a belt coal quantity control sensor, a belt speed sensor, a broadcast voice system and a main lane belt start-stop controller; the underground data control substation is connected with a belt coal quantity control sensor, a belt speed sensor, a broadcast voice system and a belt frequency conversion speed regulation system in a control manner; the underground industrial ring network is connected with the underground data control master station and the underground data control substation through an underground ring network switch.
The underground transportation belt system comprises an upper bin belt, a main inclined shaft belt, two main lane belts and four branch lane belts; the distribution is shown in the description of figure 2.
The underground data control main station and the underground data control substation both comprise a control box and a control switch, the control box adopts KXJ1 mining explosion-proof and intrinsically safe programmable control box, the control box comprises a wiring cavity 1, a main cavity 9 and an observation window 2, the upper end of the main cavity 9 is integrally connected with the wiring cavity 1, the side wall of the wiring cavity 1 is provided with a nameplate 3, an A1 wire outlet 5, an A3 wire outlet 6 and an A4 wire outlet 7, the front side of the main cavity 9 is provided with a main cavity door cover 4, the main cavity door cover is provided with the observation window 2, the side wall of the main cavity 9 is provided with a power switch knob 8, the lower end of the main cavity 9 is provided with a sled 10, and a PLC (programmable logic controller) 11, an optical cable adapter 12, a first fuse 13, a power switch 14, a transformer 15, a second fuse 16 and an AC/DC (alternating current/direct current) switching power supply; KXJ1 the explosion-proof and intrinsically safe programmable control box (mining PLC box) for the mine is suitable for the underground coal mine with explosion danger environments such as gas, coal dust and the like, and is used as monitoring and control equipment. The mining PLC box continuously monitors state signals and fault signals of an external matched sensor, runs user software and controls external controlled equipment.
The aboveground upper computer control station adopts an industrial personal computer pre-installed with Siemens configuration software WINCC, and the underground data control master station and the underground data control substation host adopt German Siemens S7-1200/1500 series PLC controllers and I/O modules; the underground data control master station, the underground data control substations and the aboveground upper computer control station are all in networking communication by Siemens PROFINT; the Ethernet system supports the open Ethernet standard (IEC 61158), so that networking and data exchange can be conveniently carried out through the underground original Ethernet industrial ring network, rewiring is not needed, the installation is very convenient, and the equipment investment and the installation time of equipment are saved.
The control system is divided into 3 levels according to functional differentiation: the system comprises a field device layer, a device control layer and a management monitoring layer.
(1) The equipment layer is composed of various sensors and an actuating mechanism, and mainly comprises various belt speed sensors, coal quantity detection sensors corresponding to various belts, conveying lane belt conveyors of various panels, conveying lane belt conveyors of coal working faces of various panels, frequency converters of main conveying main lane belt conveyors, and an original belt control and voice system.
(2) The control layer is responsible for on-site information acquisition and sends related signals to the background machine, specifically executes a control algorithm and issues a control command so as to meet the control requirement of the operation flow of the belt speed comprehensive matching control system.
(3) The management layer is used as a human-computer interaction interface of the monitoring system, can monitor the transportation volume, speed and working state of each section of belt in real time, can match the running state of the belt of each panel through weighting and accumulation algorithms on real-time data, and ensures the high-efficiency and smooth running of the whole belt transportation system. And the transportation volume of each belt section per shift and per hour can be calculated and recorded cumulatively, so that the production management and the dispatching service can be realized.
The above parts exchange data through the original coal mine industrial ring network, so that the control system becomes a flexible whole and completes the data acquisition and control requirements together. Because each substation and main website is too far away with the looped netowrk switch, for long distance data transmission, need turn into the optical signal with the network signal of substation and main website, rethread optic fibre with near data transmission to the network switch, then rethread photoelectric converter converts the optical signal into the signal of telecommunication, connects into the looped netowrk switch again. Each part of the whole control system is distributed and arranged according to the layout of equipment, a closed loop system integrating data acquisition, software operation and control output is formed through an industrial looped network, the belt conveying speed of each panel is comprehensively matched on the premise that the sum of the total coal conveying quantity transported by each panel is not more than the rated conveying capacity of the main conveying main roadway belt conveyor, the whole conveying system operates efficiently, stably and stably, and the main realization function is as follows:
(1) monitoring and recording the running speed of each section of belt, the real-time coal quantity of each section of belt (each section can be 1 m at least) and the real-time data of locking and unlocking of the belt conveyor;
(2) the coal conveying capacity of the full-intelligent belt is automatically matched and adjusted, so that unattended operation is realized;
(3) the remote system control parameter configuration adjusting function is provided;
(4) the device has the function of manual selection on site;
(5) a voice fault alarm prompt, a belt acceleration and deceleration control prompt and a coal quantity overrun voice prompt are sent out through a butt joint belt voice system;
(6) the coal-flowing starting of the belt within the coverage range of the sensor can be realized;
(7) the fixed coal quantity of the coal conveying belt can be controlled in a balanced manner;
(8) flexible matching control of downhole belt speed
(9) Can monitor the real-time coal amount in each section of belt accurately to each meter in real time
The coal quantity detection sensor comprises an electronic belt scale and a 3D visual coal quantity meter; the coal quantity detecting sensor is arranged at the end of the belt with coal as much as possible, so that the flow of coal of 4 parts of the belt and the main lane belt after a few seconds in the future can be estimated earlier, if the coal quantity to a certain junction point at a certain time point in the future exceeds the coal carrying quantity of the main lane belt, the belt speed of one or a plurality of adjustable branch lane belts can be adjusted in advance according to the coal quantity of each belt to the junction point of the main lane belt and a control strategy of light and heavy urgency, finally, the coal quantity to the junction point of the main lane belt by a plurality of branch belts is lower than the coal carrying capacity of the main lane belt at the point, the condition that the junction belt is not blocked and the belt is buried and pressed can be realized in the same reverse operation, namely when the carrying capacity of the main lane belt is sufficient, the speed of each branch belt can be improved and coordinated according to the control strategy of the set belt priority, so as to reasonably improve the overall efficiency of the whole belt conveying line. Meanwhile, when the whole belt is started and stopped, the system can also control the starting and stopping operation of each belt according to the distribution condition of the coal on each belt, so that the idle running time of the belts is reduced, and the coal-flowing starting and stopping of the belts are achieved. Therefore, the flexible speed matching control of the underground multi-belt coal conveying system can be realized, the use efficiency of equipment is improved, the energy consumption and unnecessary mechanical wear loss are reduced, and the economic benefit of the whole belt coal conveying system is improved.
The electronic belt scale adopts an ICS-17J mining flame-proof and intrinsically safe electronic belt scale.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A novel underground multi-belt speed matching flexible control device is characterized by comprising an underground transportation belt system, a belt speed sensor, an electronic belt scale and a control system, wherein the transportation belt is installed at a corresponding position in a coal mine underground, a coal quantity detection sensor and a belt speed sensor are arranged at the front section of the transportation belt in a lower roadway, a gateway and a main roadway of the coal mine underground, and the control system comprises an underground upper computer control station, an underground industrial ring network, an underground data control main station and a plurality of underground data control substations; the underground data control main station is in control connection with a belt coal quantity control sensor, a belt speed sensor, a broadcast voice system and a main lane belt start-stop controller; the underground data control substation is connected with a belt coal quantity control sensor, a belt speed sensor, a broadcast voice system and a belt frequency conversion speed regulation system in a control manner; the underground industrial ring network is connected with the underground data control master station and the underground data control substation through an underground ring network switch.
2. The novel downhole multi-belt speed matching flexible control device of claim 1, wherein the downhole transportation belt system comprises an upper bin belt, a main inclined shaft belt, two main lane belts and four branch lane belts.
3. The novel underground multi-belt speed matching flexible control device as claimed in claim 1, wherein the underground data control main station and the underground data control substation both comprise a control box and a control switch, the control box adopts KXJ1 mining explosion-proof and intrinsically safe programmable control box, the control box comprises a wiring cavity 1, a main cavity 9 and an observation window 2, the upper end of the main cavity 9 is integrally connected with the wiring cavity 1, the side wall of the wiring cavity 1 is provided with a nameplate 3, an A1 outlet 5, an A3 outlet 6 and an A4 outlet 7, the front side of the main cavity 9 is provided with a main cavity door cover 4, the observation window 2 is arranged on the main cavity door cover, a power switch knob 8 is arranged on the side wall of the main cavity 9, a sled 10 is arranged at the lower end of the main cavity 9, and a PLC (programmable logic controller) 11, an optical cable adapter 12, a first fuse 13, a power switch 14 and a power switch are sequentially arranged in the main cavity 9, A transformer 15, a second fuse 16 and an AC/DC switching power supply 17.
4. The novel downhole multi-belt speed matching flexible control device of claim 1, wherein the uphole upper computer control station adopts an industrial computer pre-installed with Siemens configuration software WINCC, and the downhole data control master station and the downhole data control substation host adopt German Siemens S7-1200/1500 series PLC controllers and I/O modules; and the underground data control master station, the underground data control substation and the aboveground upper computer control station are all in networking communication by using Siemens PROFINT.
5. The novel downhole multi-belt speed-matching flexible control device of claim 1, wherein the coal quantity detection sensor comprises an electronic belt scale and a 3D visual coal quantity meter.
6. The novel downhole multi-belt speed matching flexible control device of claim 5, wherein the electronic belt scale is an ICS-17J mining flameproof and intrinsically safe electronic belt scale.
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| CN202010780321.3A CN112158557A (en) | 2020-08-05 | 2020-08-05 | Novel flexible control of many belts speed matching in pit device |
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| CN202010780321.3A CN112158557A (en) | 2020-08-05 | 2020-08-05 | Novel flexible control of many belts speed matching in pit device |
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Cited By (3)
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| CN113666077A (en) * | 2021-09-03 | 2021-11-19 | 中煤科工集团上海有限公司 | Energy-saving control device and method for belt conveyor |
| CN114671213A (en) * | 2022-03-30 | 2022-06-28 | 西安交通大学 | Method, system, equipment and medium for controlling underground belt conveyor system of coal mine |
| CN115535657A (en) * | 2022-11-01 | 2022-12-30 | 吴光淮 | Coal mine production method without underground coal bunker |
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Application publication date: 20210101 |