CN112832853A - Mine underground rail transportation unloading station ore deposit material level control device - Google Patents
Mine underground rail transportation unloading station ore deposit material level control device Download PDFInfo
- Publication number
- CN112832853A CN112832853A CN202011488948.8A CN202011488948A CN112832853A CN 112832853 A CN112832853 A CN 112832853A CN 202011488948 A CN202011488948 A CN 202011488948A CN 112832853 A CN112832853 A CN 112832853A
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- Prior art keywords
- unloading station
- ore
- brake
- power supply
- material level
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention provides a mine underground rail transportation unloading station ore material level control device which comprises a material level sensor arranged above an ore unloading station, and is characterized in that the material level sensor is connected with a controller, the controller comprises a shell, a single chip microcomputer is arranged in the shell, the single chip microcomputer is connected with a power supply, a brake controller, a wireless communicator, an RS485 communication interface, an Ethernet communicator and a memory, the power supply is connected with the memory and the brake controller, the RS485 communication interface is connected with the material level sensor, and the Ethernet communicator is connected with a remote switch. The automatic control system realizes automatic detection of ore material level of the unloading station, automatic control of unloading, automatic stop of unloading, automatic data storage and remote monitoring, and improves the rail transportation efficiency of the unmanned electric locomotive.
Description
Technical Field
The invention relates to a mine underground rail transport unloading station ore material level control device, and belongs to the technical field of microelectronics in electronic information.
Background
The ore deposit transportation is mainly transported to near ore pass through the motor truck or through the scraper with the mining area ore in the pit in current mine, transfers the ore to middle platform through the ore pass, and middle platform passes through the operation of electric locomotive on the rail railway, transports the ore of each ore pass to the unloading station, and the unloading station is concentrated the ore once more and is transferred to the platform of below, and the platform of below is smashed iron ore and is transmitted to ground through the belt. During the process that the electric locomotive transports the ores to the unloading station, the ore storage amount of the unloading station needs to be detected, when the unloading station is fully piled up with the ores, the electric locomotive is forbidden to unload the ores to the unloading station, and when the ore storage amount of the unloading station is insufficient, the electric locomotive is controlled to unload the ores to the unloading station. In the prior art, a steel rope hung above an unloading station is manually operated to fall to an ore material surface, the falling height of the steel rope is measured to obtain the ore height, and then the ore amount is obtained, and an electric locomotive is informed to continue or stop unloading the ore to the unloading station through a mobile phone or a pager. The method is time-consuming and labor-consuming, and cannot meet the requirement of intelligent scheduling of the unmanned electric locomotive. Therefore, there is a need to develop an unmanned and remote control device for mineral ore level in unloading station, which can be integrated into unmanned electric locomotive system.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a mine underground rail transport unloading station ore level control device.
The invention is realized by the following technical scheme: the utility model provides a mine underground has rail transportation unloading station ore deposit material level controlling means, is including installing the level sensor in ore unloading station top, and its characterized in that level sensor links to each other with the controller, the controller includes the casing, is equipped with the singlechip in the casing, and this singlechip links to each other with power, brake controller, wireless communicator, RS485 communication interface, ethernet communicator, memory, and the power links to each other with memory, brake controller, and RS485 communication interface links to each other with level sensor, and the ethernet communicator links to each other with remote switch. When the material level sensor collects that the ore in the ore unloading station is full, the ore is sent to the single chip microcomputer through the RS485 communication interface for processing, the single chip microcomputer controls the brake controller to stop the unmanned electric locomotive to run through the wireless communicator, data is stored through the memory, and meanwhile, the single chip microcomputer is sent to the remote switch through the Ethernet communicator for monitoring; otherwise, when the material level sensor collects that the ore in the ore unloading station is not full, the ore is sent to the single chip microcomputer through the RS485 communication interface for processing, and the single chip microcomputer controls the unmanned electric locomotive to continuously operate through the wireless communication device and unload the ore into the ore unloading station.
Brake controller is including installing brake relay, bow frame lifting relay, brake solenoid valve, bow frame lifting solenoid valve on unmanned electric locomotive, wherein: the brake relay is connected with the brake electromagnetic valve; bow frame lift relay links to each other with bow frame lift solenoid valve, and brake relay, bow frame lift relay's coil pass through ordinary IO mouth and singlechip, power link to each other to during the brake braking, singlechip output level signal drive brake relay and bow frame lift relay coil are electrified, and the pneumatic brake of control brake solenoid valve controls bow frame lift solenoid valve simultaneously and makes the bow frame descend, break away from the wiping line, thereby realizes the brake braking, breaks away from the wiping line and makes unmanned electric locomotive stop motion.
The level sensor adopts a heavy hammer level meter and a laser ranging level meter to carry out dual detection.
The single chip microcomputer is a common commercially available single chip microcomputer with an asynchronous communication serial port and an SPI (serial peripheral interface).
The power supply is a 24V power supply, is converted into a 5V power supply through a switching power supply chip, and is converted into a 3.3V power supply through a voltage stabilizing chip after rectification and filtering so as to supply power to the singlechip and other components.
The RS485 communication interface is in serial communication with the singlechip through a TTL level interface, and the output end of the RS485 communication interface is connected with the material level sensor to realize data exchange,
the Ethernet communicator is a general network chip without a protocol stack, is communicated with the single chip microcomputer through an SPI (serial peripheral interface) communication protocol and is connected with an Ethernet transformer, and data are communicated with a remote switch through the Ethernet protocol to realize material level data transmission.
The memory comprises a 256Kbit chip and a related peripheral circuit and is used for storing data and preventing measurement data from being lost after the network is disconnected.
The invention has the following advantages and effects: by adopting the technical scheme, when the material level sensor acquires that the ore in the ore unloading station is full, the ore is sent to the single chip microcomputer for processing through the RS485 communication interface, the brake controller is controlled by the single chip microcomputer to stop the unmanned electric locomotive from running, data is stored through the memory, and meanwhile, the data is sent to the remote switch for monitoring through the Ethernet communicator; otherwise, when the material level sensor collects that the ore in the ore unloading station is not full, the ore is sent to the single chip microcomputer for processing through the RS485 communication interface, and the single chip microcomputer controls the unmanned electric locomotive to continuously run and unload the ore into the ore unloading station. The automatic control system realizes automatic detection of ore material level of the unloading station, automatic control of unloading, automatic stop of unloading, automatic data storage and remote monitoring, and improves the rail transportation efficiency of the unmanned electric locomotive.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a block diagram of the circuit of the present invention.
Fig. 3 is a circuit diagram of the single chip microcomputer.
Fig. 4 is a power supply circuit diagram.
Fig. 5 is a circuit diagram of an RS485 communication interface.
Fig. 6 is a circuit diagram of an ethernet communicator.
Fig. 7 is a circuit diagram of a memory.
Fig. 8 is a circuit diagram of the brake controller.
Fig. 9 is a circuit diagram of a wireless communicator.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-8, the mine underground rail transportation unloading station mineral material level control device provided by the invention comprises a level sensor arranged above an ore unloading station 4, wherein the level sensor adopts a heavy hammer level gauge 2 and a laser ranging level gauge 3 for dual detection, the level sensor is connected with a controller, the controller comprises a shell 1, a single chip microcomputer is arranged in the shell 1, the single chip microcomputer is connected with a power supply, a brake controller, a wireless communicator, an RS485 communication interface, an ethernet communicator and a memory, the power supply is connected with the memory and the brake controller, the RS485 communication interface is connected with the level sensor, and the ethernet communicator is connected with a remote switch 5;
brake controller is including installing brake relay 9, bow frame lifting relay 10, brake solenoid valve, bow frame lifting solenoid valve on unmanned aerial vehicle motor 7 car, wherein: the brake relay 9 is connected with the brake electromagnetic valve; the bow frame lifting relay 10 is connected with the bow frame lifting electromagnetic valve, and the brake relay 9 and the bow frame lifting relay 10 are connected with the single chip microcomputer through a wireless communicator;
the single chip microcomputer is a chip with the model number of STM32F405R, and a peripheral crystal oscillator circuit, a power-on reset circuit and a power supply filter circuit;
the power supply is a 12V power supply, is converted into a 5V power supply through a switch power supply chip LM2596, and is reduced to a 3.3V power supply through two rectifier diodes after rectification and filtering so as to supply power to the single chip microcomputer and other parts;
the RS485 communication interface is a chip with the model number of SP3485 and a peripheral circuit, pins 1 and 4 of the SP3485 chip are respectively connected with pins 17 and 16 of the single chip microcomputer, and pins 6 and 7 of the SP3485 chip are respectively connected with the end A and the end B of the RS485 communication interface connected with the heavy hammer level gauge 2 through two protective resistors so as to collect the ore height data of the unloading station through the heavy hammer level gauge 2 and send the data to the single chip microcomputer for processing;
the Ethernet communicator is a chip with the model number of ENC28J060, a network transformer of HR911105A and a peripheral circuit thereof, wherein pins 6, 7, 8, 9 and 10 of the ENC28J060 chip are respectively connected with pins 35, 36, 34, 33 and 28 of the single chip microcomputer, pins 12, 13, 16, 17, 26 and 27 of the ENC28J60 chip are respectively connected with pins 6, 3, 2, 1, 9 and 12 of the HR911105A network transformer, so that data exchange between the single chip microcomputer and a remote switch is realized;
the memory is a chip with the model number of M25PE16 and a peripheral circuit thereof, and pins 1, 2, 5 and 6 of the M25PE16 are respectively connected with pins 38, 35, 36 and 34 of the single chip microcomputer, so that the storage of Ethernet configuration data and unloading station ore height data is realized;
the brake relay 9 is a Darlington tube ULN2003, a 5V direct current relay and a related peripheral circuit, pins 41 and 40 of the single chip microcomputer are respectively connected with pins 6 and 7 of the ULN2003 through a wireless communicator, and pins 12 and 13 of the ULN2003 are respectively connected with coils 2 of 2 5V direct current relays;
the wireless communicator is an LORA chip with the model of SX1278, the LORA chip is connected with the single chip microcomputer, and data are received or sent to the unmanned electric locomotive 7 through an SPI communication protocol.
When the device works, the material level sensors 2 and 3 acquire that the ore in the ore unloading station 4 is full of materials and needs braking, the materials are sent to the single chip microcomputer through the RS485 communication interface for processing, the single chip microcomputer outputs level signals and drives the brake relay 9 and the bow frame lifting relay 10 to act through the wireless communicator, the pneumatic braking of the brake electromagnetic valve is controlled, and the bow frame lifting electromagnetic valve is controlled to enable the bow frame 6 to descend and be separated from the sliding contact line 8, so that the braking and the separation from the sliding contact line 8 are realized, the unmanned electric locomotive 6 stops running, data are stored through the memory, and meanwhile, the data are sent to a remote switch through the Ethernet communicator for monitoring; on the contrary, when the material level sensors 2 and 3 collect that the ores in the ore unloading station 4 are not full, the ores are sent to the single chip microcomputer for processing through the RS485 communication interface, and the single chip microcomputer controls the unmanned electric locomotive 7 to continue to operate through the wireless communicator and unload the ores into the ore unloading station 4. The automatic ore material level detection, automatic control unloading, automatic stop unloading, automatic data storage and remote monitoring of the unloading station 4 are realized, and the rail transportation efficiency of the unmanned electric locomotive is improved.
Claims (4)
1. The utility model provides a mine underground has rail transportation unloading station ore deposit material level controlling means, is including installing the level sensor in ore unloading station top, and its characterized in that level sensor links to each other with the controller, the controller includes the casing, is equipped with the singlechip in the casing, and this singlechip links to each other with power, brake controller, wireless communicator, RS485 communication interface, ethernet communicator, memory, and the power links to each other with memory, brake controller, and RS485 communication interface links to each other with level sensor, and the ethernet communicator links to each other with remote switch.
2. The mine underground rail transport unloading station ore level control device according to claim 1, characterized in that the brake controller comprises a brake relay, a pantograph lifting relay, a brake solenoid valve and a pantograph lifting solenoid valve which are installed on an unmanned electric locomotive, wherein: the brake relay is connected with the brake electromagnetic valve; the bow frame lifting relay is connected with the bow frame lifting electromagnetic valve, and the coils of the brake relay and the bow frame lifting relay are connected with the single chip microcomputer and the power supply through a common IO port.
3. The mine underground rail transportation unloading station ore level control device as claimed in claim 1, wherein the level sensor adopts a weight level meter and a laser ranging level meter for double detection.
4. The mine underground rail transportation unloading station ore deposit material level control device according to claim 1, characterized in that the power supply is a 24V power supply, is converted into a 5V power supply through a switching power supply chip, is converted into a 3.3V power supply through a voltage stabilizing chip after rectification and filtering, and supplies power to a single chip microcomputer and other components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011488948.8A CN112832853A (en) | 2020-12-16 | 2020-12-16 | Mine underground rail transportation unloading station ore deposit material level control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011488948.8A CN112832853A (en) | 2020-12-16 | 2020-12-16 | Mine underground rail transportation unloading station ore deposit material level control device |
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| Publication Number | Publication Date |
|---|---|
| CN112832853A true CN112832853A (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011488948.8A Pending CN112832853A (en) | 2020-12-16 | 2020-12-16 | Mine underground rail transportation unloading station ore deposit material level control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114281078A (en) * | 2021-12-15 | 2022-04-05 | 云南昆钢电子信息科技有限公司 | Unmanned control system of mine underground ore conveying electric locomotive |
-
2020
- 2020-12-16 CN CN202011488948.8A patent/CN112832853A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114281078A (en) * | 2021-12-15 | 2022-04-05 | 云南昆钢电子信息科技有限公司 | Unmanned control system of mine underground ore conveying electric locomotive |
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