CN108005701A - A kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction - Google Patents
A kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction Download PDFInfo
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- CN108005701A CN108005701A CN201711218280.3A CN201711218280A CN108005701A CN 108005701 A CN108005701 A CN 108005701A CN 201711218280 A CN201711218280 A CN 201711218280A CN 108005701 A CN108005701 A CN 108005701A
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- coal
- caving
- top coal
- time
- controller
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
Abstract
The invention discloses a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction, including core controller, the webserver, controlling bus and Local Controller；Wherein, core controller carries out data exchange with Local Controller by controlling bus and the webserver；Local Controller is realized by realizing that the lift drop to hydraulic support tail boom, and hydraulic support put the flexible of coal plate to the folding control of hydraulic system solenoid valve and puts coal working automation.The present invention puts coal work inspection using electro-hydraulic control technology combination working face, realizes the automation for putting coal work；It is changed to put coal inspection putting the work of coal worker and being operated by putting coal, reduces labor intensity, the quantity that working face puts coal worker can be greatly reduced；Top coal caving time is controlled automatically by system, improves resource recovery rate.
Description
Technical field
The invention belongs to coal mining technology field, and in particular to a kind of Sub-Level Caving of top coal caving time adaptive correction is automatic
Control system.
Background technology
At present the country underground coal mine comprehensive extracting and caving face put coal work rely primarily on manually carry out, it is necessary to personnel compared with
More, worker's working strength is larger, and working environment is severe, there is larger security risk；Resource recovery rate is relatively low.Someone works out
The mining automatic control system of coal petrography identification technology based on ray, but it is larger due to investing, and identify that degree is not high,
Using few in actual production.
The content of the invention
It is an object of the invention to overcome above-mentioned prior art shortcoming, there is provided a kind of top coal caving time adaptive correction is put
Top coal automatic control system, the working strength of coal worker is put for mitigating, and reduces the quantity that coal worker is put in working face, and raising is put
The rate of extraction of coal efficiency and resource.
The present invention adopts the following technical scheme that to realize：
A kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction, including core controller, the webserver,
Controlling bus and Local Controller；Wherein,
Core controller carries out data exchange with Local Controller by controlling bus and the webserver；Local Controller
By realizing that the lift to hydraulic support tail boom is dropped to the folding control of hydraulic system solenoid valve, and hydraulic support puts coal plate
It is flexible, and then realize and put coal working automation.
Further improve of the invention is that Local Controller is installed on hydraulic support；Local Controller core controls
Element is microcontroller.
Further improve of the invention is that Local Controller has the button of regulation and control time, puts coal worker and passes through operation
Button can directly increase or decrease top coal caving time.
Of the invention further improve is that Local Controller, which has, puts coal operation button, put coal worker by operation by
Button, which can be done directly, puts coal operation, and Local Controller can record top coal caving time automatically, and is stored.
Further improve of the invention is that top coal caving time parameter can be passed through controlling bus and network by Local Controller
Server sends to core controller, core controller and top coal caving time parameter is stored.
Further improve of the invention is that Core server can put coal to current top coal caving time running parameter and history
Time parameter is compared, and is calculated according to the following formula, draws new top coal caving time parameter, and stored：
In formula：The top coal caving time parameter of T-new；
T0- current top coal caving time；
Δ T-current top coal caving time running parameter, and increase is represented during positive number, when negative, represent to reduce；
Tn- history top coal caving time parameter；
k1- current top coal caving time correction factor；
k2- history top coal caving time correction factor.
Further improve of the invention is that top coal caving time can be passed through controlling bus and network service by core controller
Device sends to Local Controller, Local Controller and time parameter is stored, and when putting again during coal according to this next time
Between parameter carry out putting coal.
Of the invention further improve is that core controller is arranged in headentry crossheading, control element by
Programmable logic controller (PLC) or microcontroller are formed.
Further improve of the invention is that core controller can be to putting coal working face rear portion scrapper conveyor current of electric ginseng
Number is monitored, is compared with rear portion scrapper conveyor rated current, is automatically determined increase or is reduced the opening number for putting coal plate
Amount.
The present invention has following beneficial technique effect：
A kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction provided by the invention, by core controller,
Local Controller, control network and webserver composition, by the control to hydraulic system solenoid valve opening and closing, realize hydraulic pressure
Stent puts the execution of coal action.The experience for putting coal worker and automatic control system are effectively combined by the present invention, realize work
The automation that coal is put as face carries out；The labor intensity for putting coal worker can be reduced, the work for making to put coal worker simplifies from coal operation is put
To put coal inspection, the quantity that coal worker is put in working face is reduced, improves the rate of extraction for putting coal efficiency and resource.
Further, Local Controller of the present invention is installed in hydraulic support main body, and member is controlled as core using microcontroller
Part is, it can be achieved that separate unit stent puts coal logic control function；Local Controller is additionally provided with addition to the button equipped with control solenoid valve
Time parameter regulation button, top coal caving time adjustment can easily be carried out by putting coal worker, not high to putting coal worker individual competency profiling.
Further, Local Controller of the present invention can record top coal caving time automatically, and realize automatic top coal caving time and manually put
The superposition of coal time, meets the operating habit for putting coal worker.
Further, top coal caving time can be uploaded to core controller by the present invention by network, and core controller is arranged on work
In the crossheading of face, communicated by controlling bus with Local Controller, the situation of change of Local Controller data can be gathered in real time,
Realize the data storage of top coal caving time, apply easy to the analysis to historical data and further.
Further, core controller utilizes historical time parameter and current time parameter changing value, passes through default algorithm
Top coal caving time is calculated, and is sent to Local Controller, realizes the next change for putting top coal caving time during coal, can be maximum
The raising resource recovery rate of change.
Further, core controller can determine to increase or decrease and put coal plate according to the current conditions of rear portion scrapper conveyor
Quantity is opened, realizes the maximization for putting coal efficiency.
Brief description of the drawings
Fig. 1 is the principle of the present invention schematic diagram；
In figure：1- core controllers, the 2- webservers, 3- controlling bus, 4- Local Controllers, 5- hydraulic system electromagnetism
Valve, 6- stent tail booms, 7- stents put coal plate.
Embodiment
The present invention is described in further details below in conjunction with attached drawing：
The present invention is for underground coal mine comprehensive extracting and caving face caving roof coal hydraulic support, there is provided top coal caving time is adaptive
Answer modified Sub-Level Caving automatic control system, including core controller 1, the webserver 2, controlling bus 3 and Local Controller
4；Wherein, core controller 1 carries out data exchange with Local Controller 4 by controlling bus 3 and the webserver 2；Control on the spot
Device 4 processed is by realizing the folding control of hydraulic system solenoid valve 5 the lift drop to hydraulic support tail boom 6, and hydraulic support are put
Coal plate 7 stretches, and then realizes and put coal working automation.The Local Controller 4 carries out supporting according to hydraulic support function
Design, can also be individually designed, it can be achieved that the everything function of hydraulic support, for for Sub-Level Caving work service.
The Local Controller 4 is equipped with top coal caving time regulation and control button, finds that top coal caving time is long when putting coal worker's inspection,
When having the spoil to put down, top coal caving time can be reduced by operating the regulation and control button on Local Controller 4；Found when putting coal worker's inspection
Top coal caving time is too short, put coal do not complete when, can by operate the regulation and control button on Local Controller 4 increase top coal caving time or directly
Carry out putting coal operation, Local Controller 4 records increased top coal caving time, is added in this top coal caving time, and deposited automatically
Storage.
The Local Controller 4 can be sent top coal caving time parameter to core by controlling bus 3 and the webserver 2
Controller 1, core controller 1 store top coal caving time parameter.
The Core server 1 current top coal caving time running parameter can be compared with history top coal caving time parameter,
Calculated according to the following formula, draw new top coal caving time parameter, and stored：
In formula：The top coal caving time parameter of T-new；
T0- current top coal caving time；
Δ T-current top coal caving time running parameter, and increase is represented during positive number, when negative, represent to reduce；
Tn- history top coal caving time parameter；
k1- current top coal caving time correction factor；
k2- history top coal caving time correction factor.
The core controller 1 can be sent top coal caving time to controlling on the spot by controlling bus 3 and the webserver 2
Device 4, Local Controller 4 store time parameter, and put next time carry out putting coal according to the time parameter during coal again.
The core controller 1 can be monitored to putting coal working face rear portion scrapper conveyor current of electric parameter, according to electricity
The load condition that size calculates rear portion scrapper conveyor is flowed, increase is automatically determined or reduces the opening quantity for putting coal plate.
The core controller 1 is arranged in headentry crossheading, and control element can be by Programmable logical controller
Device (PLC) or microcontroller are formed, and shell is explosion-proof type.
The controlling bus 3 includes but not limited to ModBus, CAN, Profibus, DeviceNet and often uses industrial bus
The Local Controller 4 is arranged in top-coal caving face hydraulic support main body, and control element can be by microcontroller
Form, shell is explosion-proof type.
The present invention puts coal work inspection using electro-hydraulic control technology combination working face, realizes the automation for putting coal work；It is suitable for
Existing colliery technical conditions, realize that difficulty is low；Put the work of coal worker and operated by putting coal and be changed to put coal inspection, it is strong to reduce work
Degree, can be greatly reduced the quantity that working face puts coal worker；Top coal caving time is controlled automatically by system, improves resource recovery
Rate.
Claims (9)
1. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction, it is characterised in that including core controller
(1), the webserver (2), controlling bus (3) and Local Controller (4)；Wherein,
Core controller (1) carries out data exchange with Local Controller (4) by controlling bus (3) and the webserver (2)；Just
Ground controller (4) is dropped by lift of the folding control realization to hydraulic system solenoid valve (5) to hydraulic support tail boom (6), and
Hydraulic support puts the flexible of coal plate (7), and then realizes and put coal working automation.
2. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction according to claim 1, its feature exist
In Local Controller (4) is installed on hydraulic support；Local Controller (4) core control element is microcontroller.
3. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction according to claim 1, its feature exist
There is the button of regulation and control time in, Local Controller (4), put coal worker and can directly be increased or decreased by operation button and put coal
Time.
4. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction according to claim 1, its feature exist
Have in, Local Controller (4) and puts coal operation button, put coal worker and can be done directly by operation button and put coal operation, and
Local Controller (4) can record top coal caving time automatically, and be stored.
5. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction according to claim 1, its feature exist
In Local Controller (4) can be sent top coal caving time parameter to core control by controlling bus (3) and the webserver (2)
Device (1) processed, core controller (1) store top coal caving time parameter.
6. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction according to claim 1, its feature exist
In Core server (1) current top coal caving time running parameter can be compared with history top coal caving time parameter, according to following
Formula is calculated, and draws new top coal caving time parameter, and stored：
<mrow>
<mi>T</mi>
<mo>=</mo>
<mrow>
<mo>(</mo>
<msub>
<mi>T</mi>
<mn>0</mn>
</msub>
<mo>+</mo>
<mi>&Delta;T</mi>
<mo>)</mo>
</mrow>
<mo>&times;</mo>
<msub>
<mi>k</mi>
<mn>1</mn>
</msub>
<mo>+</mo>
<mn>0.1</mn>
<mo>&times;</mo>
<msubsup>
<mi>&Sigma;</mi>
<mrow>
<mi>n</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mn>10</mn>
</msubsup>
<mrow>
<mo>(</mo>
<msub>
<mi>T</mi>
<mi>n</mi>
</msub>
<mo>)</mo>
</mrow>
<mo>&times;</mo>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
</mrow>
In formula：The top coal caving time parameter of T-new；
T0- current top coal caving time；
Δ T-current top coal caving time running parameter, and increase is represented during positive number, when negative, represent to reduce；
Tn- history top coal caving time parameter；
k1- current top coal caving time correction factor；
k2- history top coal caving time correction factor.
7. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction according to claim 1, its feature exist
In core controller (1) can be sent top coal caving time to Local Controller by controlling bus (3) and the webserver (2)
(4), Local Controller (4) stores time parameter, and puts put according to the time parameter during coal next time again
Coal.
8. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction according to claim 1, its feature exist
In core controller (1) is arranged in headentry crossheading, and control element is by programmable logic controller (PLC) or monolithic mechanism
Into.
9. a kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction according to claim 1, its feature exist
In core controller (1) can be monitored to putting coal working face rear portion scrapper conveyor current of electric parameter, with rear portion scrapper conveyor volume
Constant current is compared, and automatically determines increase or reduces the opening quantity for putting coal plate (7).
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| CN201711218280.3A CN108005701B (en) | 2017-11-28 | 2017-11-28 | A kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction |
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| CN201711218280.3A CN108005701B (en) | 2017-11-28 | 2017-11-28 | A kind of Sub-Level Caving automatic control system of top coal caving time adaptive correction |
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| CN108005701A true CN108005701A (en) | 2018-05-08 |
| CN108005701B CN108005701B (en) | 2019-04-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145229A (en) * | 2020-09-22 | 2020-12-29 | 中煤能源研究院有限责任公司 | Non-contact dynamic continuous measuring system and method for coal seam gas content of coal roadway driving face |
| CN112558577A (en) * | 2021-02-19 | 2021-03-26 | 天津美腾科技股份有限公司 | Caving coal control method, device, electronic equipment and computer readable storage medium |
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| CN112558577A (en) * | 2021-02-19 | 2021-03-26 | 天津美腾科技股份有限公司 | Caving coal control method, device, electronic equipment and computer readable storage medium |
| CN112558577B (en) * | 2021-02-19 | 2021-06-08 | 天津美腾科技股份有限公司 | Caving coal control method, device, electronic equipment and computer readable storage medium |
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