CN109057847A - Hydraulic support electrohydraulic control system - Google Patents
Hydraulic support electrohydraulic control system Download PDFInfo
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- CN109057847A CN109057847A CN201811307445.9A CN201811307445A CN109057847A CN 109057847 A CN109057847 A CN 109057847A CN 201811307445 A CN201811307445 A CN 201811307445A CN 109057847 A CN109057847 A CN 109057847A
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- interface
- control unit
- single chip
- module
- solenoid valve
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- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D23/12—Control, e.g. using remote control
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Safety Devices In Control Systems (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of hydraulic support electrohydraulic control system, including single chip control unit, the communication interface of single chip control unit is respectively arranged with two-wire CAN interface, RS485 interface, low-speed serial communication interface and radio receiving transmitting module；The output control interface of single chip control unit is connect with solenoid valve driving module and warning circuit module input control interface respectively, and solenoid valve driving module output control interface is connect with each solenoid valve control input interface of solenoid valve block respectively；The sensor signal input interface of single chip control unit is connect with sampled signal processing module signal output end, and sampled signal processing module signal input part is connected separately with pressure sensor, displacement sensor, infrared sensor, current sensor；The control interface of single chip control unit is communicated to connect by display interface device module and man machine operation interface display.The invention has the advantages that enhancing the safe and stable property of hydraulic support electrohydraulic control system itself.
Description
Technical field
The present invention relates to underground coal mine fully-mechanized mining working surface hydraulic supports, more particularly, to hydraulic support electrohydraulic control system.
Background technique
Hydraulic support electrohydraulic control system is to realize that hydraulic support separate unit or groups of automatic shifting frame, automatic passage scraper plate are defeated
The control device for sending machine, putting coal, auto spraying automatically.Coal mining with the development of modernization coal-mining technique, to fully-mechanized mining working
Efficiency and security requirement are also higher and higher, this allow for it is also higher and higher to the function of hydraulic support electrohydraulic control system, such as
Anti-interference ability, communication and control interface resource, man machine operation interface etc..Therefore, current hydraulic support electrohydraulic control system
Have been unable to meet the demand of modernization fully-mechanized mining working.
Summary of the invention
It is an object of that present invention to provide a kind of strong antijamming capabilities, the convenient and fast hydraulic support electrohydraulic control system of operation.
To achieve the above object, the present invention takes following technical proposals:
Hydraulic support electrohydraulic control system of the present invention, including single chip control unit, the single chip control unit
Communication interface is respectively arranged with four road two-wire CAN interfaces, all the way RS485 interface, low-speed serial communication interface and wireless receiving and dispatching mould
Block；The output control interface of single chip control unit respectively with solenoid valve driving module and warning circuit module input control interface
Connection, the solenoid valve driving module output control interface connect with each solenoid valve control input interface of solenoid valve block respectively
It connects；The sensor signal input interface of single chip control unit is connect with sampled signal processing module signal output end, described to adopt
Sample signal processing module signal input part is connected separately with pressure sensor, displacement sensor, infrared sensor, current sense
Device；The control interface of single chip control unit is communicated to connect by display interface device module and man machine operation interface display；It is single
The input control interface of piece machine control unit is connected separately with power circuit block, clock circuit module, emergency stop lock modules.
Obliquity sensor, Temperature Humidity Sensor are connected separately in the input signal interface of the single chip control unit；
The data-interface of single chip control unit is connected with outer memory module.
The invention has the advantages that analog quantity Sampling Interface and communication interface are resourceful, four road two-wire CAN interfaces are used
As communication bus between system communications bus and frame, industry inner support controller itself design function resource anxiety is compensated for, is led to
Believe the multifarious problem of cable type caused by bus diversity.Colleague, application of the two-wire CAN communication as mature technology increase
Into the safe and stable property of hydraulic support electrohydraulic control system itself.
Detailed description of the invention
Fig. 1 is circuit structure block diagram of the invention.
Fig. 2 is coal face hydraulic support control system block diagram.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention, the present embodiment before being with technical solution of the present invention
It puts and is implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to down
State embodiment.
As shown in Figure 1, hydraulic support electrohydraulic control system of the present invention, including single chip control unit, the list
The communication interface of piece machine control unit be respectively arranged with four road two-wire CAN interfaces, all the way RS485 interface, low-speed serial communication connect
Mouth and radio receiving transmitting module；The output control interface of single chip control unit respectively with solenoid valve driving module and warning circuit mould
The connection of block input control interface, solenoid valve driving module output control interface respectively with each solenoid valve control of solenoid valve block
Input interface connection processed；The sensor signal input interface and sampled signal processing module signal output end of single chip control unit
Connection, the sampled signal processing module signal input part are connected separately with pressure sensor, displacement sensor, infrared sensing
Device, current sensor；The control interface of single chip control unit passes through display interface device module and man machine operation interface display
Communication connection；The input control interface of single chip control unit is connected separately with power circuit block, clock circuit module, emergency stop
Lock modules.
Temperature and humidity in shell setting angle and shell in order to detect the single chip control unit controls single in single-chip microcontroller
The input signal interface of member is connected separately with obliquity sensor, Temperature Humidity Sensor；The data-interface of single chip control unit connects
It is connected to outer memory module, for storing, retaining the state parameter of hydraulic support and the input of external data, program.
Working principle of the present invention is summarized as follows:
As shown in Figure 1, 2, power circuit block provides 5V, 3.3V voltage, and clock circuit module provides synchronised clock, external storage
For storing application program, emergency stop lock modules stop working module for failure safe；Warning circuit module, for when generation
When failure, buzzer sounding；Temperature Humidity Sensor is for detecting temperature and humidity in single chip control unit shell；Wireless receiving and dispatching
Module provides bidirectional wireless communication, the parameter and control command function that transmitting-receiving ground calculates and issues；Low-speed serial communication interface
For external sensor and expansion equipment；RS485 interface is communicated for external sensor equipment and with host computer；Four road two-wires
CAN interface uses two-wire CAN, is each responsible for communicating with host computer, between receive-transmit system parameter and control command and hydraulic support
Communication；Sampled signal processing module for AD sample, external pressure sensor, displacement sensor, infrared sensor, electric current,
Voltage sensor；Obliquity sensor is used to detect the setting angle of single chip control unit shell；Solenoid valve driving module receives
Single chip control unit instruction, drive magnetic valve group control the various movements of hydraulic support, such as move frame, translate, saunter it is straight etc.；It is man-machine
Operation interface display for instruction input, system parameter settings, checks data, with host computer communication, executes the finger of host computer
It enables.
Action relationships explanation: startup self-detection → setting parameter → working sensor → feeds back to single chip control unit → drive
Moving electromagnetic valve group → display → accident analysis → (exception) be normal → (alarm) normal communication → maintenance.
Workflow is as follows:
The person of being operated first realizes the interaction with hydraulic support electrohydraulic control system by man machine operation interface, then human-machine operation circle
Control instruction is issued towards single chip control unit, single chip control unit converts electric signal for control instruction and exports to liquid
The electromagnetic priority valve of bracket is pressed, electromagnetic priority valve converts it into hydraulic pressure signal, and the main valve of hydraulic support is according to hydraulic pressure signal
It is required that the corresponding solenoid valve of control solenoid valve block executes corresponding actions, corresponding hydraulic cylinder movement.While electrohydraulic control system is also
The action process that bracket can be monitored according to the multiple sensors being arranged on hydraulic support, carries out the processing of data again later
And ground-based computer is uploaded, to constitute the closed-loop control system of a hydraulic support, when carrying out automatically controlling, single-chip microcontroller control
Unit processed carries out next step movement according to sensing data；Meanwhile single chip control unit has and other hydraulic support monolithics
Machine control unit communication function.
Claims (2)
1. a kind of hydraulic support electrohydraulic control system, it is characterised in that: including single chip control unit, the single-chip microcontroller control is single
The communication interface of member is respectively arranged with four road two-wire CAN interfaces, all the way RS485 interface, low-speed serial communication interface and wireless receipts
Send out module；The output control interface of single chip control unit respectively with solenoid valve driving module and warning circuit module input control
Interface connection, solenoid valve driving module output control interface respectively with each solenoid valve control input interface of solenoid valve block
Connection；The sensor signal input interface of single chip control unit is connect with sampled signal processing module signal output end, described
Sampled signal processing module signal input part is connected separately with pressure sensor, displacement sensor, infrared sensor, current sense
Device；The control interface of single chip control unit is communicated to connect by display interface device module and man machine operation interface display；It is single
The input control interface of piece machine control unit is connected separately with power circuit block, clock circuit module, emergency stop lock modules.
2. hydraulic support electrohydraulic control system according to claim 1, it is characterised in that: in the single chip control unit
Input signal interface be connected separately with obliquity sensor, Temperature Humidity Sensor；The data-interface of single chip control unit connects
There is outer memory module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307445.9A CN109057847A (en) | 2018-11-05 | 2018-11-05 | Hydraulic support electrohydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307445.9A CN109057847A (en) | 2018-11-05 | 2018-11-05 | Hydraulic support electrohydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109057847A true CN109057847A (en) | 2018-12-21 |
Family
ID=64789225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307445.9A Pending CN109057847A (en) | 2018-11-05 | 2018-11-05 | Hydraulic support electrohydraulic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109057847A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071956A (en) * | 2010-12-29 | 2011-05-25 | 北京中科林重科技有限公司 | Electro-hydraulic control system for working surface hydraulic support |
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| CN102373940A (en) * | 2011-11-18 | 2012-03-14 | 郑州煤矿机械集团股份有限公司 | Hydraulic support controller |
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| CN202348306U (en) * | 2011-11-22 | 2012-07-25 | 郑州煤矿机械集团股份有限公司 | Hydraulic support electrohydraulic control system for fully-mechanized coal face |
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| CN205101004U (en) * | 2015-11-12 | 2016-03-23 | 郑州煤机液压电控有限公司 | A by unloading valve for colliery is in pit on hydraulic support |
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| US20180135412A1 (en) * | 2015-07-20 | 2018-05-17 | Taiyuan University Of Technology | Method for implementing a centralized control platform of hydraulic support on fully mechanized mining working face in underground coal mines |
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-
2018
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| CN202300455U (en) * | 2011-10-20 | 2012-07-04 | 成都力拓电控技术有限公司 | Control device of hydraulic support of low-seam working face under mine |
| CN102373940A (en) * | 2011-11-18 | 2012-03-14 | 郑州煤矿机械集团股份有限公司 | Hydraulic support controller |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201201 Address after: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Applicant after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Applicant after: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Applicant before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220707 Address after: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: No.167, 9th Street, Zhengzhou Economic Development Zone, Henan Province, 450016 Applicant before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Applicant before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant after: Zhengzhou Hengda Intelligent Control Technology Co.,Ltd. Address before: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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| CB02 | Change of applicant information |