CN102373940A - Hydraulic support controller - Google Patents

Abstract

The invention discloses a hydraulic support controller, which comprises a microprocessor, wherein a communication interface of the microprocessor is in communication connection with a power signal interface; the output end of the power signal interface is connected with the power end of the microprocessor through a power signal detection module and a voltage stabilizing module; a sensor detection control module is connected to the communication interface of the microprocessor, and a plurality of sensor interface circuit modules are respectively connected to the control end of the sensor detection control module; the output ends of the plurality of sensor interface circuit modules are respectively connected with the signal input end through an A/D (Analog/Digital) circuit module and an isolation circuit module; a human-machine interface, an electromagnetic valve drive interface module and a scram locking detection control interface module are connected to the communication interface of the microprocessor; a scram button and a locking button are connected to the input end of the scram locking detection control interface module. The invention has the advantages of realizing drive and control between the hydraulic support controller and an electromagnetic pilot valve and detecting the working state of each electromagnetic pilot valve.

Description

Hydraulic support controller

technical field

The invention discloses a hydraulic support controller used in a support control system of a fully mechanized mining face.

Background technique

The key technology of modern high-yield and high-efficiency coal mining is the hydraulic support controller, isolation coupler, pressure sensor, displacement sensor, inclination sensor, infrared receiver and infrared emitter, solenoid valve driver, etc. on each set of supports. When the infrared receiver receives the real-time monitoring signal, it will calculate and process the shearer position and the effective data detected by the hydraulic support controller through the support controller, isolation coupler, data interface and main control computer, and follow the machine. Automate jobs. That is, the hydraulic support controlled by the electro-hydraulic control system is set according to the position, speed and movement direction of the coal mining machine and the mining process parameters preset by the system, and the solenoid valve driver is controlled by the hydraulic support controller to drive the electromagnetic pilot valve, which is automatically carried out in real time. The extension and retraction of the hydraulic support, the push and pull, the extension and lowering of the column, the extension and retraction of the balance beam, the spraying, the lifting of the bottom, and the movement of the frame are automated. At present, the hydraulic support controller used in the electro-hydraulic control system of hydraulic support is still in the initial stage of single support and group program control. The full-face automatic control of hydraulic support and shearer linkage is still in the development stage, and does not have the function of fully completing the above-mentioned hydraulic support actions.

Contents of the invention

The purpose of the present invention is to provide a reliable hydraulic support controller with complete control functions.

To achieve the above object, the present invention can take the following technical solutions:

The hydraulic support controller of the present invention includes a microprocessor, and the communication interface of the microprocessor communicates with the power signal interface through a data processing module; the output end of the power signal interface communicates with the power signal detection module and the voltage stabilization module The microprocessor power supply terminal is connected; a sensor detection control module is connected to the microprocessor communication interface, and the control terminals of the sensor detection control module are respectively connected to a plurality of sensor interface circuit modules; the output terminals of the plurality of sensor interface circuit modules are respectively passed The A/D circuit module and the isolation circuit module are connected to the signal input end of the microprocessor; the communication interface of the microprocessor is connected with a storage module, a button indication interface, an upgrade interface module, a wired man-machine interface interface, a solenoid valve drive interface module and emergency A stop and lock detection control interface module, the input end of the emergency stop and lock detection control interface module is connected with an emergency stop button and a lock button.

The microprocessor communication interface is respectively connected with the inclination sensor interface circuit and the wireless man-machine interface module through the expansion module; the output interface of the microprocessor is respectively connected with the JTAG interface module, the buzzer drive circuit, the OLED display circuit, The output end of the OLED display circuit is connected with an OLED display interface.

A clock module and a reset module are respectively connected to the input interface of the microprocessor.

The invention has the advantages of realizing the drive and control between the hydraulic support controller and the electromagnetic pilot valve in the hydraulic support control system of the coal mine fully mechanized mining face, and detecting the working state of each electromagnetic pilot valve. According to the detected signals of various sensors, combined with the electro-hydraulic control system of the hydraulic support, real-time data processing, analysis and judgment, etc., the automation of the fully mechanized mining face can be realized under the premise of ensuring the reliability of the work and precise control, so as to improve the production efficiency Purpose.

Description of drawings

Fig. 1 is the schematic block diagram of the circuit of the invention.

Fig. 2 is a block diagram of the circuit principle of the power detection conversion and data processing module in Fig. 1 .

Fig. 3 is a functional block diagram of the sensor detection control module, A/D circuit module and isolation circuit module in Fig. 1 .

Fig. 4 is a functional block diagram of the inclination sensor interface circuit, the wireless man-machine interface module and the expansion module in Fig. 1 .

Fig. 5 is a schematic block diagram of the circuit of the emergency stop and locking detection control interface module in Fig. 1 .

Detailed ways

As shown in Figure 1, the hydraulic support controller according to the present invention includes a microprocessor, and the communication interface of the microprocessor is connected with the power signal interface through the data processing module; the output terminal of the power signal interface is detected by the power signal The module and the voltage stabilizing module are connected to the power supply terminal of the microprocessor; a sensor detection control module is connected to the communication interface of the microprocessor, and the control terminals of the sensor detection control module are respectively connected to a plurality of sensor interface circuit modules; the plurality of sensor interface The output end of the circuit module is respectively connected to the signal input end of the microprocessor through the A/D circuit module and the isolation circuit module; the communication interface of the microprocessor is connected with a storage module, a key indication interface, an upgrade interface module, a wired man-machine interface interface, an electromagnetic A valve drive interface module and an emergency stop lock detection control interface module, the input end of the emergency stop lock detection control interface module is connected with an emergency stop button and a lock button. The microprocessor communication interface is respectively connected with the inclination sensor interface circuit and the wireless man-machine interface module through the expansion module; the output interface of the microprocessor is respectively connected with the JTAG interface module, the buzzer drive circuit, the OLED display circuit, The output end of the OLED display circuit is connected with an OLED display interface. A clock module and a reset module are respectively connected to the input interface of the microprocessor.

As shown in Figure 2, the signal input and output terminals of the microprocessor are respectively connected to the power signal interface 1, the power signal interface 2, the power detection conversion module, the voltage stabilization module, the data processing module 1, the data processing module 2, and the data processing module 3. connect.

As shown in Figure 3, the sensor interface circuit modules 1-5 have the same circuit diagram, the microprocessor controls the sensor detection control module to detect and control the sensor interface circuit module 1-5, and the sensor signal of the sensor interface circuit module 1-5 is passed through the A/D The circuit block and the isolated circuit block are passed to the microprocessor.

As shown in Figure 4, the microprocessor expands the interface circuit of the inclination sensor and the wireless human-machine interface module through the expansion module.

As shown in Figure 5, the microprocessor detects and controls the external emergency stop interface, emergency stop button, and lock button through the emergency stop lock detection control interface module.

Claims (3)

1. A hydraulic support controller, comprising a microprocessor, is characterized in that: the microprocessor communication interface is communicatively connected with the power signal interface through a data processing module; The pressure module is connected to the power supply terminal of the microprocessor; a sensor detection control module is connected to the communication interface of the microprocessor, and the control terminals of the sensor detection control module are respectively connected to a plurality of sensor interface circuit modules; the output of the plurality of sensor interface circuit modules The terminals are respectively connected to the signal input terminal of the microprocessor through the A/D circuit module and the isolation circuit module; the communication interface of the microprocessor is connected with a storage module, a key indication interface, an upgrade interface module, a wired man-machine interface interface, and a solenoid valve drive interface module and an emergency stop lock detection control interface module, the input end of the emergency stop lock detection control interface module is connected with an emergency stop button and a lock button. 2. The hydraulic support controller according to claim 1, characterized in that: the microprocessor communication interface is respectively connected with the inclination sensor interface circuit and the wireless man-machine interface module through the expansion module; the output interface of the microprocessor is respectively It is connected with a JTAG interface module, a buzzer driving circuit and an OLED display circuit, and the output end of the OLED display circuit is connected with an OLED display interface. 3. The hydraulic support controller according to claim 1, characterized in that: a clock module and a reset module are respectively connected to the input interface of the microprocessor.

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