CN201221374Y - Full-automatic coal mining production line hydraulic support electrohydraulic controller - Google Patents
Full-automatic coal mining production line hydraulic support electrohydraulic controller Download PDFInfo
- Publication number
- CN201221374Y CN201221374Y CNU2008200796092U CN200820079609U CN201221374Y CN 201221374 Y CN201221374 Y CN 201221374Y CN U2008200796092 U CNU2008200796092 U CN U2008200796092U CN 200820079609 U CN200820079609 U CN 200820079609U CN 201221374 Y CN201221374 Y CN 201221374Y
- Authority
- CN
- China
- Prior art keywords
- controller
- board
- bracket
- hydraulic support
- interface
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Control By Computers (AREA)
Abstract
The utility model relates to a hydraulic bracket electrohydraulic controller of a fully automatic coal-mining production line. The hydraulic bracket electrohydraulic controller comprises a main control computer, a plurality of bracket controllers and a plurality of sensors; wherein, the main control computer is used for controlling the work of the system; each bracket controller corresponds with one hydraulic bracket and is used for controlling the movement of the hydraulic bracket; the sensors are used for detecting the status of the hydraulic bracket and transmiting the status information to the bracket controller arranged for the hydraulic bracket; the bracket controller comprises a micro computer which consists of a CPU board, a key board, a display board, an output board and a solenoid valve driver; and the main control computer is connected with each bracket controller and the bracket controllers are connected all through communication cables. The utility model can monitor and effectively control the hydraulic bracket of the fully automatic coal-mining production line, facilitate the operation and control of the working staff, and reduce the cost of the coal mining enterprise.
Description
Technical field
The utility model relates to the hydraulic bracket controller on a kind of full-automatic coal mining production line.
Background technology
At present, the complete dependence on import of hydraulic support control system on the full-automatic coal mining production line, what China mainly used at present is German DBT and U.S. JOY company hydraulic support electrohydraulic control system, its complex structure, cost height, and host computer English interface operating difficulties.
The utility model content
In view of above-mentioned, the purpose of this utility model provides a kind of full-automatic coal mining production line hydraulic support electrohydraulic controller, and it is convenient to the cost that the staff controls, can lower coal mining enterprise.
For this reason, the utility model is by the following technical solutions:
A kind of full-automatic coal mining production line hydraulic support electrohydraulic controller, it comprises:
A main control computer is used for the work of control system;
Some bracket controllers are equipped with by the corresponding bracket controller of each hydraulic support, are used to control the action of hydraulic support;
Some sensors are used to detect the state of hydraulic support and send to the bracket controller that this hydraulic support is equipped with;
Between main control computer and each bracket controller and be connected with communication cable between each bracket controller.
Wherein: the microcomputer of every bracket controller for constituting by CPU board, keypad, display board, output board, electromagnetic valve driver; Described keypad connects the keyboard interface of CPU board; Described display board connects the display interface of CPU board; Described output board connects the input/output interface of CPU board; Described electromagnetic valve driver connects the communication interface of CPU board; The output of described sensor inserts the input/output interface of CPU board through output board; Described main control computer is by the bracket controller communication at output board and output board place; Described bracket controller is by oneself output board and the communication of adjacent supports controller.
In implementing measure of the present utility model:
In described CPU board, CPU is the Atmega128L chip, application storing and fixed data among the 128K Flash of this chip, 4K SRAM realizes exchanges data, 4K EEPROM realizes the data accumulating storage, two UART serial ports are realized the data communication with the adjacent stent controller, the sensor of realizing pressure and displacement with 10 ADC detects, realize infrared detection with analog comparator, with the communication of TWI interface realization with the solenoid-driven controller, and, realize communication with main control computer by protocol transceiver and CAN interface of level translator expansion.
In described display board, use the HDSP-2112 display module.
In described keypad, adopt 8279 keyboard scan chips, each button all adopts the rigidity shell fragment to be bonded on the circuit board.
Described output board adopts the four-core water-proof connector to connect ancillary equipment, connects Bussing connector, left and right sides adjacent supports controller, infrared remote receiver, left and right pillar pressure sensor, displacement transducer on this plate.
Described electromagnetic valve driver adopts two PCA9555 chips, and PCA9555 is the chip of 16 GPIO of I2C interface expansion, and the TWI interface of CPU is used A0 respectively with two PCA9555 communication interfaces and connect on the described CPU board, and A1 realizes address assignment.
Described expansion CAN interface is made of CAN protocol transceiver SJA1000 and CAN level translator PCA83C250, adopts optocoupler 6N137 to realize electrical isolation between transceiver and level translator.
The utility model hydraulic bracket controller has following advantage:
1) graphic interface, easy to operate;
2) host computer provides Chinese operation interface, is convenient to the staff and controls;
3) system application C language compilation is carried out the efficient height, and is portable strong;
4) hardware system adopts modularization, and the design of plate card is convenient to safeguard and upgrading.
Description of drawings
Fig. 1 is a formation schematic diagram of the present utility model;
Fig. 2 is a hydraulic support electric-control system network structure;
Fig. 3 is the hardware structure diagram of bracket controller;
Fig. 4 is the schematic block circuit diagram of CPU board;
Fig. 5 is the power circuit diagram of CPU board;
Fig. 6 is the expansion CAN interface circuit schematic diagram of CPU board;
Fig. 7 is the circuit diagram of display board;
Fig. 8 is an output board external equipment connection diagram;
Fig. 9 is the PCA9555 typical application circuit;
Figure 10 is the P82B96 typical application circuit;
Figure 11 is software system structure figure.
The specific embodiment
Be described further below in conjunction with accompanying drawing.
The utility model is the hydraulic bracket controller on the full-automatic coal mining production line.As shown in Figure 1, it comprises:
A main control computer is used for the work of control system; Some bracket controllers are equipped with by the corresponding bracket controller of each hydraulic support, are used to control the action of hydraulic support; Some sensors are used to detect the state of hydraulic support and send to the bracket controller that this hydraulic support is equipped with; Between main control computer and each bracket controller and be connected with communication cable between each bracket controller.
Because the hydraulic support quantity of the next work plane of well is at least more than 110, and every hydraulic support has 3 sensors and 5 hydraulic valves.To have a large amount of control lines and power line in the usual way, and therefore must adopt advanced field bus type Control on Communication mode.Specific requirement is as follows:
The network structure designing requirement: downhole network is comparatively suitable with two-stage, i.e. one-level high speed backbone one-level low speed (device level) fieldbus network that connects off the net.Emergency operations such as methane transfinites, warning, outage should be able to be by the autonomous operation of device level fieldbus.Backbone network adopts optical fiber or coaxial cable to make medium, simultaneously transmitting multimedia information.
The transmission range designing requirement: according to the mine laneway requirement, the backbone network transmission range should be greater than 10km, and the transmission range of device level fieldbus can reach 1 ~ 2km.Consider for the less mine of monitoring scale and should be able to save backbone network, and only use one-level low speed fieldbus, its transmission range then also should reach more than the 10km.
The response time designing requirement: to security monitoring, consider the requirement of gas projecting mine, the response time should be below 1s.Should be to production monitoring at the tens of milliseconds of orders of magnitude.
The intrinsic safety characteristic and the designing requirement of powering: bus should be able to satisfy the essential safety requirement or after simple the transformation, can satisfy the essential safety requirement, and low speed bus directly powers for connected site plant or be total to cable and power.
Antijamming capability and to the adaptive capacity designing requirement of adverse circumstances: the electromagnetic interference of mine is stronger, and temperature, humidity environment are poor.Because of the bus distance, the common-mode voltage that is added on the transceiver is higher, and field bus device should be able to meet the demands or can meet the demands after transforming.
Comprehensive above-mentioned consideration, for guaranteeing real time of data transmission, accuracy and reliability requirements require following three kinds of networking modes on the data communication networking mode:
1) requires to realize and DBT compatible communication networking mode, to guarantee the confidence level of product function test.
2) requirement realizes the embedded Ethernet transfer of data constructing communication network mode of high reliability and high stability.
3) but require to realize the CAN-bus transfer of data constructing communication network mode of MANET.
See also hydraulic support electric-control system network structure shown in Figure 2.Wherein PM4 is bracket controller of the present utility model, the hydraulic support electrohydraulic control system compatibility of it and German DBT company, and IA is a buses isolator, and PS is a power supply, and PA is a power supply adaptor.A power supply is supplied with 8 bracket controllers.On electric, isolate two power supplys by buses isolator IA between the group that each power supply is powered.
See also Fig. 3.The microcomputer of every bracket controller for constituting by CPU board, keypad, display board, output board, electromagnetic valve driver.Wherein: keypad connects the keyboard interface of CPU board; Display board connects the display interface of CPU board; Output board connects the input/output interface of CPU board; Electromagnetic valve driver connects the communication interface of CPU board; The output of sensor inserts the input/output interface of CPU board through output board; Main control computer is by the bracket controller communication at output board and output board place; Bracket controller is by oneself output board and the communication of adjacent supports controller.Keypad, display board, CPU board and output board are embedded in the mine anti-explosion cabinet, and electromagnetic valve driver is connected with the controller output board by high-strength cable.Also have some sensor interfaces in the output board, about adjacent frame communication interface etc.
Introduce each component units of bracket controller below respectively.
CPU board---see also CPU board schematic block circuit diagram shown in Figure 4.In this CPU board, select the Atmega128L chip as CPU.This chip is 8 reduced instruction set computer microprocessors, and 128K Flash is arranged, and realizes the storage of application program and fixed data; Have 4K SRAM to realize exchanges data respectively, 4K EEPROM realizes the data accumulating storage; There are two UART serial ports to realize respectively and the data communication between the adjacent supports controller of the left and right sides; 8 10 ADC are arranged, with wherein two sensors detections that realize a pressure and a displacement; There is 1 analog comparator to realize infrared detection; The communication of realization of TWI interface and solenoid-driven controller is arranged; Expand a CAN interface, realize communication with host computer.
This plate emphasis circuit design is done some elaborations herein.
Power supply: because power supply voltage be+12V, and a lot of chip all is usefulness+5V, so need+12V is adjusted to+5V the utility model employing LM1806 realization.LM1806 only needs 4 outer members, can export maximum 3A electric current, has the efficient height, characteristics such as overtemperature protection and current-limiting protection.Physical circuit as shown in Figure 5.
Reset circuit: ATmega128 has following 5 reset source:
Electrification reset, when supply voltage was lower than electrification reset thresholding (VPOT=1.4V), MCU resetted.
External reset, when the low duration on the pin RESET during greater than minimum pulse width (1.5us) MCU reset.
Watchdog reset is when house dog enables and the WatchDog Timer generation that resets when overtime.
Detection of power loss resets, and when the detection of power loss reset function enables, cuts supply voltage and is lower than detection of power loss and resets that (MCU's thresholding resets in the time of VBOT=2.6V) for BODLEVEL=0, VBOT=4.0 BODLEVEL=1.
JTAG AVR resets, and MCU resets when reseting register is 1.
The expansion of CAN interface: in order to realize the data in real time monitoring of hydraulic bracket controller, every hydraulic bracket controller all needs data in real time is transferred to aboveground Surveillance center, and this just needs a long transmission distance, the fast fieldbus of transmission speed.The utility model adopts the CAN2.0 bus to realize the data upload of entire working surface.Be CAN interface circuit schematic diagram as shown in Figure 6.Wherein: SJA1000 is the CAN protocol transceiver, and PCA83C250 is the CAN level translator, adopts optocoupler 6N137 to realize electrical isolation between transceiver and level translator.
Display board----uses the HDSP-2112 display module, it supports the LED of 8 5X7 dot matrix to show, 128 ASCII character library is arranged among the ROM of inside modules, and have 16 can be used to show specific symbol or image scale (such as the Logo of company) by the character of customization.Display brightness divides seven grades, can adjust arbitrarily, and can be located at low-power consumption mode.With the communication of CPU be parallel interface, just as control 8155 simple.
The HDSP-2112 pinout is as shown in table 1:
Table 1
Can design the typical circuit schematic diagram (as Fig. 7) of CPU and HDSP-2112 interface by above definition.
Display board also has 25 button indicator lamps and 1 status indicator lamp simultaneously.Wherein 24 button indicator lamps send control word can light the LED of controlling by 8255 PA, PB, PC mouth output control to corresponding mouthful.Other 1 ENTER button indicator lamp and status indicator lamp are directly by Atmega128 mouth line traffic control.
8279 have 40 pins, adopt dual-inline package, and its pin function is defined as follows.
DB0-7 is two-way external data bus.Be used to transmit 8279 and CPU between order, data and state.Can directly be connected with the data wire of MCS.
When/CS was low level, CPU just chose 8279 chips, and operates on it.
A0 distinguishes the characteristic position of information.When A0 was 1, CPU write 8279 information for ordering, and CPU is 8279 state from 8279 information of reading.When A0 was 0, I/O information all was data.
/ RD ,/WR are the reading and writing gating signals, and low level is effective.
IRQ is the interrupt requests output line.High level is effective.Under the keyboard working method, when among the FIFO/ sensor RAM data being arranged, this interrupt line uprises level.When FIFO/ sensor RAM read at every turn, interrupt line just dropped to low level, if also have information in RAM, then this line becomes high level again.In the working sensor mode, when sensor signal changed, interrupt line just became high level.
RL0～RL7 is feedback input line, as key input line, draws high resistance by inside and pulls into high level, also can pull into low level by button on the keyboard.
SL0～3 are used for keyboard display is scanned for the scanning output line.
OUTB0～3, OUTA0～3 are the display segment DOL Data Output Line, can also can be used as 8 bit field data delivery outlets respectively as two nibble outputs, and this moment, OUTB0 was a lowest order, and OUTA3 is a highest order.
/ BD is the blanking output line, and low level is effective, when display switches or when use showing the blanking order, will show blanking.
RESET is the input line that resets, and high level is effective.
Each button all is to adopt the rigidity shell fragment to be bonded on the circuit board, and is reliability and durability.
Output board----as shown in Figure 8.Output board provides the interface of controller and ancillary equipment, and it adopts the four-core water-proof connector to connect ancillary equipment, connects Bussing connector, left and right sides adjacent supports controller, infrared remote receiver, left and right pillar pressure sensor, displacement transducer etc. on this plate.
Electromagnetic driver----electromagnetic driver can connect 22 electromagnetic valve group, can monitor controller, the transfer of data between conversion line and the validity of inspection message.The central authorities of driver are provided with 3 its functions of LED continuous monitoring, and provide following indication:
Green: normal 12V voltage;
Yellow: Data transmission is correct;
Red: the Data transmission mistake.
Electromagnetic driver adopts the TWI interface communication of I2C bus and controller, by string and conversion expansion control IO.This plate adopts PCA9555 chip (two provide 32 IO altogether), PCA9555 is the chip of 16 GPIO of I2C interface expansion, operating voltage 2.3 to 5.5V has four registers in the sheet, be respectively that configuration register, polarity are inverted register, input register, output register.Have and interrupt and reset pin, it is effective to be all low level.On the I2C interface noise filter is arranged, the SCL frequency is 0KHz～400KHz.The TWI interface of CPU is used A0 respectively with two PCA9555 communication interfaces and connect, and A1 realizes address assignment.
The PCA9555 pinout sees Table 2:
| Title | Function |
| Pin1/INT | Interrupt output pin |
| Pin2-3A1，A2 | The I2C address is provided with |
| Pin4-11I/0.0-0.7，Pin13-20I/1.0-1. 7 | Input and output pin |
| Pin21 A0 | The I2C address is provided with |
| Pin22 SCL | The I2C clock line |
| Pin23 SDA | The I2C |
| Pin | |
| 12 | Ground |
| Pin | |
| 24 VDD | Power supply |
Table 2
Operating principle: the I/O with PCA9555 places input pattern earlier.Send the output register of control word, again control word is read back from output register,, then I/O is changed to output mode, realize control word output if consistent with the control word that sends to the PCA9555 of appointment.Fig. 9 is the PCA9555 typical application circuit.
See also Figure 10.This plate also adopts P82B96 to improve the transmission voltage and the transmission range of I2C bus, improves antijamming capability.Improve the I2C communication distance during 400KHz at least to 20m, when line voltage distribution was brought up to 15V, communication distance can be brought up to 350m.
The following describes system work process
Power module is finished the voltage transitions of 12V to 5V, for the operation of hydraulic support control system provides electric power safeguard.After this user realizes its input instruction by key-press module 8279, the action of control bracket controller, and whether the button indicating module is effectively pressed in order to indicate button, realizes with 8155 control LED.Display module HDSP2112 is used for the display operation menu, and the situation of indication user's instruction execution.The CPU module is commanded corresponding electromagnetic pilot valve events after receiving the instruction of key-press module input.The serial communication module is converted to 232 interfaces with two serial ports of CPU, realizes the left and right sides bracket controller communication adjacent with this controller, realizes the serial communication passage of adjacent frame control, all bracket controllers of formation entire working surface.The CAN communication module is used to finish the communication of bracket controller and host computer.The I2C communication module utilizes the TWI interface of CPU to realize, can realize electromagnetic valve driver instruction transmission is realized the control to corresponding electromagnetic priority valve by the I2C communication module.The AD modular converter is realized the monitoring to the bracket controller working condition, and monitoring result is shown to operating personnel.Interrupt module is finished the processing of external interrupt, realizes the mechanism of the emergency response of hydraulic bracket controller.Electromagnetic valve driver is realized the TWI interface with the controller communication, and with the control signal that receives, realization of decoding is to the control of each electromagnetic valve break-make.
Above-mentioned bracket controller is the micro-control computer of a special use, and its storage of designing requirement is working procedure also, directly commands the everything of this support, the detection data of gathering this support sensor.Button, character display screen, LED, buzzer etc. constitute human-computer interaction interface, implement button operation, send control command, show, send various information.Multiple communication interface execution and adjacent frame and other bracket controllers of full face and main control computer transinformation carry out data communication, realize control and monitoring function automatically.Control program can onlinely be provided with, import or revise by button operation easily, and the new application program of can onlinely packing into is for the quick adjustment program of revising provides condition.
Entire bracket control system software is made of two parts, and the one, the driver of bottom, the 2nd, the application program on upper strata.The driver of bottom drives whole hardware system, finishes basic functions such as showing initialization, button initialization, network communication initialization, as long as hardware platform is constant, the driver of bottom also is immovable substantially.Upper level applications is carried out system frame action control, data acquisition and processing (DAP), system mistake detection etc.Why program wants hierarchical design, and what mainly consider is the compliance of hydraulic support to different mine coal seam situations, and different collieries are as long as revise upper-layer parameters at its particular requirement.Software system structure as shown in figure 11.
Under the cooperation of software, the utlity model has following function:
The operator is on any one support for separate unit support manual operation function----, and selected left adjacent frame or right adjacent frame are controlled support, by operated key this support is carried out corresponding actions control.Concrete manual operation function comprises: the column lifting, push away saunter, try to stop people from fighting each other, compensating cylinder is flexible, face guard is flexible, side guard board is flexible, the lifting of base cylinder, spraying (auxiliary coal miner spray), fluid infusion or ftercompction.
Separate unit support " fall-move-liter " automatic sequence control function----is because support has the base device of lifting, and in order to simplify the operation, ad hoc on controller have a shortcut, can realize that support falls post, lifts base, moves the function that frame carries out simultaneously.
Many sequence of movement interlock control function----operators of separate unit support can select left adjacent frame or right adjacent frame is controlled support, controller is about to that " fall-move-liter " three supports are initiatively done and other related with it actions (face guard is flexible, base lifting, compensating cylinder action) synthetic big-movement of coordinating to link up, automatic follow procedure execution.
In automatic " fall-move-liter " process, require hydraulic system that compensating cylinder is adopted reversible lock.By automatically controlled programme-control, realize the servo-actuated control of compensating cylinder, and behind set cap contact top board, realize the differential of compensating cylinder, keep top beam horizontal; Guarantee the safety of structural member and the frequent unloading that safety valve does not move with support simultaneously.
Become pack support to control the automatic in groups control of function----automatically and require the object of once control to be not only single frame, but the adjacent action group that is configured to more.The startup of only need manually giving an order later on need not the manual intervention auto-action.Automatically the action of control can be some single actions in groups, also can be the teamwork control of automatic sequence.Can be set as the action of controlling automatically in groups has: falling-rising moves (the group inner support moves frame successively) automatically in groups, automatically push away saunter (the group inner support is delayed time successively, and pushing away saunters or push away simultaneously saunters) in groups, automatically stretch face guard (the group inner support is delayed time successively and stretched face guard) in groups, automatically receive face guard (the group inner support is delayed time successively and received face guard) in groups, automatically auxiliary in groups coal miner spray (the group inner support is sprayed simultaneously in zone, coal mining machine roller place), automatically move in groups frame (group inner support delay time successively move frame or with the time shift frame).
Coal machine, support interlock control function----support can follow coal-winning machine traffic direction and position realize pushing away automatically saunter, move automatically frame, automatically receive face guard, stretch face guard, teamwork control function such as auxiliary coal miner spray automatically automatically.
According to the work plane operating regulation, require to determine that the coal-winning machine coal cutting is when certain direction runs to a certain backing positions, which action which support should correspondingly begin or continue to carry out, these operations can be required in the controlled program of input, after monitoring control devices arrives coal-winning machine direction positional information, just command respective holder to finish corresponding actions automatically according to program, course of action carries out fully automatically.
When ftercompction automatically when ftercompction function----support unloads at work automatically, pillar were arrived a certain setting value in support as because of certain reason generation drop of pressure, system can automatically perform setting prop.Ftercompction is supportted pressure to first, and can carry out repeatedly, to guarantee supporting quality.
Locking and emergency stop function----controller has locking and sudden-stop function, and when locking occurred in this support, the controller on other supports can't be operated this support; When the anxious stopping time, the support of full face stops automatically.
Fault diagnosis, demonstration and warning function----are when a certain support or controller break down, and system can be to this diagnosing malfunction, and shows, and provides alarm signal simultaneously.
Coal-winning machine position monitoring function----adopts the coal mining of " infra-red method " and position monitoring to follow the machine automation mechanized operation in real time.Specific as follows:
1) mode that adopts the infrared rays emission to receive one-one relationship obtains coal-winning machine position probing data, can detect traffic direction, the run location of coal-winning machine.
2) coal-winning machine position detection accuracy ± 1 does not need from dynamic(al) correction.
3) carry out in the process infrared signal of the infrared receiver receiving infrared-ray transmitter emission on corresponding with the coal-winning machine RF transmitter (on a horizon) support at coal-winning machine.
4) infrared receiver links to each other with bracket controller by cable, the infrared signal that receives is converted to the signal of telecommunication sends controller to, is handled these data and is instructed support to carry out corresponding auto-action by controller.
Parameter online modification function----operator can the parameter to control program pass through the keyboard on-line operation at any time in the controller on any support in down-hole, be provided with easily, import or revise.
The online download and upgrade function of program----provides operating efficiency in order not interrupt normal coal work, and the controller new application program of can onlinely packing into is for quick upgrading adjustment program provides condition.
Claims (7)
1. full-automatic coal mining production line hydraulic support electrohydraulic controller is characterized in that it comprises:
A main control computer is used for the work of control system;
Some bracket controllers are equipped with by the corresponding bracket controller of each hydraulic support, are used to control the action of hydraulic support;
Some sensors are used to detect the state of hydraulic support and send to the bracket controller that this hydraulic support is equipped with;
Between described main control computer and each bracket controller and be connected with communication cable between each bracket controller, wherein:
The microcomputer of described every bracket controller for constituting by CPU board, keypad, display board, output board, electromagnetic valve driver;
Described keypad connects the keyboard interface of CPU board;
Described display board connects the display interface of CPU board;
Described output board connects the input/output interface of CPU board;
Described electromagnetic valve driver connects the communication interface of CPU board;
The output of described sensor inserts the input/output interface of CPU board through output board;
Described main control computer is by the bracket controller communication at output board and output board place;
Described bracket controller is by oneself output board and the communication of adjacent supports controller.
2. full-automatic coal mining production line hydraulic support electrohydraulic controller as claimed in claim 1 is characterized in that:
In described CPU board, CPU is the Atmega128L chip, application storing and fixed data among the 128K Flash of this chip, 4K SRAM realizes exchanges data, 4K EEPROM realizes the data accumulating storage, two UART serial ports are realized the data communication with the adjacent stent controller, the sensor of realizing pressure and displacement with 10 ADC detects, realize infrared detection with analog comparator, with the communication of TWI interface realization with the solenoid-driven controller, and, realize communication with main control computer by protocol transceiver and CAN interface of level translator expansion.
3. full-automatic coal mining production line hydraulic support electrohydraulic controller as claimed in claim 1 or 2 is characterized in that:
In described display board, use the HDSP-2112 display module.
4. full-automatic coal mining production line hydraulic support electrohydraulic controller as claimed in claim 1 or 2 is characterized in that:
In described keypad, adopt 8279 keyboard scan chips, each button all adopts the rigidity shell fragment to be bonded on the circuit board.
5. full-automatic coal mining production line hydraulic support electrohydraulic controller as claimed in claim 1 or 2 is characterized in that:
Described output board adopts the four-core water-proof connector to connect ancillary equipment, connects Bussing connector, left and right sides adjacent supports controller, infrared remote receiver, left and right pillar pressure sensor, displacement transducer on this plate.
6. full-automatic coal mining production line hydraulic support electrohydraulic controller as claimed in claim 1 or 2 is characterized in that:
Described electromagnetic valve driver adopts two PCA9555 chips, and PCA9555 is the chip of 16 GPIO of I2C interface expansion, and the TWI interface of CPU is used A0 respectively with two PCA9555 communication interfaces and connect on the described CPU board, and A1 realizes address assignment.
7. full-automatic coal mining production line hydraulic support electrohydraulic controller as claimed in claim 2 is characterized in that:
Described expansion CAN interface is made of CAN protocol transceiver SJA1000 and CAN level translator PCA83C250, adopts optocoupler 6N137 to realize electrical isolation between transceiver and level translator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200796092U CN201221374Y (en) | 2008-03-27 | 2008-03-27 | Full-automatic coal mining production line hydraulic support electrohydraulic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200796092U CN201221374Y (en) | 2008-03-27 | 2008-03-27 | Full-automatic coal mining production line hydraulic support electrohydraulic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221374Y true CN201221374Y (en) | 2009-04-15 |
Family
ID=40574883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200796092U Expired - Lifetime CN201221374Y (en) | 2008-03-27 | 2008-03-27 | Full-automatic coal mining production line hydraulic support electrohydraulic controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201221374Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963791A (en) * | 2010-09-01 | 2011-02-02 | 广州日滨科技发展有限公司 | Method for performing software upgrading on controllers of hydraulic bracket electrohydraulic control system |
| CN102042435A (en) * | 2010-12-29 | 2011-05-04 | 北京中科林重科技有限公司 | Electromagnetic pilot valve driver |
| 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 |
| CN102116165A (en) * | 2011-02-24 | 2011-07-06 | 华中科技大学 | Hydraulic support control device of coal mine and distributed control system thereof |
| CN102305094A (en) * | 2011-07-26 | 2012-01-04 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support based manually-intervened support controlling method in automatic support moving program controlling and operation |
| CN103399495A (en) * | 2013-08-07 | 2013-11-20 | 中国矿业大学 | Simulation system and simulation method of hydraulic support electric hydraulic control system |
| CN105736792A (en) * | 2014-12-09 | 2016-07-06 | 上海新力动力设备研究所 | Control device for multi-channel electromagnetic valve |
| CN106089278A (en) * | 2016-06-28 | 2016-11-09 | 太原理工大学 | Colliery unmanned fully-mechanized mining working surface hydraulic support electrohydraulic control system testing stand |
| CN106640167A (en) * | 2016-10-15 | 2017-05-10 | 太原理工大学 | Fully mechanized mining working face three-computer monitoring system communication network based on LabVIEW |
| CN111240303A (en) * | 2020-01-20 | 2020-06-05 | 中国矿业大学 | CAN communication-based coal mining machine control system test platform device and use method |
| CN111691909A (en) * | 2020-06-18 | 2020-09-22 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support backpressure monitoring system and method |
-
2008
- 2008-03-27 CN CNU2008200796092U patent/CN201221374Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963791A (en) * | 2010-09-01 | 2011-02-02 | 广州日滨科技发展有限公司 | Method for performing software upgrading on controllers of hydraulic bracket electrohydraulic control system |
| CN101963791B (en) * | 2010-09-01 | 2012-06-06 | 广州日滨科技发展有限公司 | Method for performing software upgrading on controllers of hydraulic bracket electrohydraulic control system |
| CN102042435A (en) * | 2010-12-29 | 2011-05-04 | 北京中科林重科技有限公司 | Electromagnetic pilot valve driver |
| 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 |
| CN102042435B (en) * | 2010-12-29 | 2012-07-04 | 北京中科林重科技有限公司 | Electromagnetic pilot valve driver |
| CN102116165A (en) * | 2011-02-24 | 2011-07-06 | 华中科技大学 | Hydraulic support control device of coal mine and distributed control system thereof |
| CN102305094A (en) * | 2011-07-26 | 2012-01-04 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support based manually-intervened support controlling method in automatic support moving program controlling and operation |
| CN103399495A (en) * | 2013-08-07 | 2013-11-20 | 中国矿业大学 | Simulation system and simulation method of hydraulic support electric hydraulic control system |
| CN105736792A (en) * | 2014-12-09 | 2016-07-06 | 上海新力动力设备研究所 | Control device for multi-channel electromagnetic valve |
| CN106089278A (en) * | 2016-06-28 | 2016-11-09 | 太原理工大学 | Colliery unmanned fully-mechanized mining working surface hydraulic support electrohydraulic control system testing stand |
| CN106089278B (en) * | 2016-06-28 | 2018-03-09 | 太原理工大学 | The unattended fully-mechanized mining working surface hydraulic support electrohydraulic control system testing stand in colliery |
| CN106640167A (en) * | 2016-10-15 | 2017-05-10 | 太原理工大学 | Fully mechanized mining working face three-computer monitoring system communication network based on LabVIEW |
| CN111240303A (en) * | 2020-01-20 | 2020-06-05 | 中国矿业大学 | CAN communication-based coal mining machine control system test platform device and use method |
| CN111240303B (en) * | 2020-01-20 | 2022-11-08 | 中国矿业大学 | CAN communication-based coal mining machine control system test platform device and use method |
| CN111691909A (en) * | 2020-06-18 | 2020-09-22 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support backpressure monitoring system and method |
| CN111691909B (en) * | 2020-06-18 | 2022-04-05 | 北京天玛智控科技股份有限公司 | Hydraulic support backpressure monitoring system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201221374Y (en) | Full-automatic coal mining production line hydraulic support electrohydraulic controller | |
| CN102116165B (en) | Hydraulic support control device of coal mine and distributed control system thereof | |
| CN201934117U (en) | Electro-hydraulic control system for hydraulic support in working face | |
| CN102053136B (en) | Plateau non-coal mine underground air environment parameter real time monitor | |
| CN201218761Y (en) | On-line monitoring system for hydraulic support working condition of coal mine down-hole working surface | |
| CN202300455U (en) | Control device of hydraulic support of low-seam working face under mine | |
| CN102071956A (en) | Electro-hydraulic control system for working surface hydraulic support | |
| CN201111677Y (en) | Total distributed fire disaster alert control system | |
| CN105471589A (en) | Mine-used multi-type information transmission device | |
| CN201650334U (en) | Hydraulic support electro-hydraulic control system | |
| CN101826753A (en) | Dual-power conversion intelligent controller | |
| CN201377337Y (en) | All-purpose intelligent substation system for coal mines | |
| CN201035745Y (en) | LED display screen infrared remote control debugging system | |
| CN212409767U (en) | Mine hydrology automatic monitoring alarm system | |
| CN106054795A (en) | Middle deep hole trolley control system and control method thereof | |
| CN102042435B (en) | Electromagnetic pilot valve driver | |
| CN202923132U (en) | Flatbed printer with man-machine interaction function | |
| CN103321665B (en) | Support controller for electrohydraulic control system | |
| CN205823236U (en) | Solar energy intelligent micro steady flow water injection valve | |
| CN203915838U (en) | A kind of wireless network oil gas explosion suppression control unit | |
| CN205225336U (en) | Intelligent coal mine gas monitored control system | |
| CN200993738Y (en) | Linux based modulariz embedded industrial control platform device | |
| CN202300456U (en) | Control device of hydraulic brackets on working face under mine | |
| CN201934118U (en) | Electromagnetic pilot valve driving device | |
| CN202101979U (en) | Underground air environmental parameter real-time monitor in highland non-coal mines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Meng Inventor after: Li Peng Inventor before: Li Meng Inventor before: Li Peng |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |
|
| CX01 | Expiry of patent term |