CN214609963U - Automatic access system of remote control signal of coal mine belt transportation terminal equipment - Google Patents
Automatic access system of remote control signal of coal mine belt transportation terminal equipment Download PDFInfo
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- CN214609963U CN214609963U CN202120452724.5U CN202120452724U CN214609963U CN 214609963 U CN214609963 U CN 214609963U CN 202120452724 U CN202120452724 U CN 202120452724U CN 214609963 U CN214609963 U CN 214609963U
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Abstract
The utility model belongs to the technical field of coal mine belt transportation remote control, concretely relates to automatic access system of coal mine belt transportation terminal equipment remote control signal, including control center computer, ethernet remote transportation system, RS485 communication interface module, belt transportation industrial computer, PLC control module, switch protector and belt transportation terminal equipment, read the switch hard contact signal through PLC, will the hard contact signal conveys to the belt transportation industrial computer, and reads through RS485 communication interface module, transmits to the control center computer through ethernet transmission remote transmission system, the control center computer can backward convey the feedback control signal to the PLC control module, controls the action of belt transportation terminal equipment, realizes automated control; and simultaneously, the action of the belt transportation terminal equipment is logically programmed through the PLC control module. The utility model discloses control stably, can feed back control command execution more accurately and whether target in place.
Description
Technical Field
The utility model belongs to the technical field of coal mine belt transportation remote control, concretely relates to automatic access system of coal mine belt transportation terminal equipment remote control signal.
Background
At present, aiming at other non-main conveying belts of mines, due to the characteristics of small conveying amount, short installation period, short service cycle and the like, part of the mines are mainly controlled by a Huaning protector high-voltage direct starting mode, and Huaning provides an RS485 communication interface for centralized control access of a dispatching room; the transmission of monitoring signals for various belt protection is stable, but in the process of executing start-stop commands, the control commands cannot be well executed due to the limitation of half-duplex communication supported by RS485 signals, and the problems of slow execution, no response and the like of the start-stop commands often occur; in the construction process of a plurality of domestic automatic manufacturers, as the RS485 access mode is simple and quick, the general manufacturers are used to access the Huaning RS485 signals.
However, in the technical aspect, an open-close signal is directly fed back to the Huaning protector in an RS485 mode, and is limited by the support of half-duplex communication by the RS485 signal, a control command cannot be well executed, and the problems of slow execution, no response and the like of the open-close command often occur; often resulting in failure of the automation control.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an automatic access system of colliery belt transportation terminal equipment remote control signal.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a remote control signal automatic access system of a coal mine belt transportation terminal device comprises a control center computer, an Ethernet remote transportation system, an RS485 communication interface module, a belt transportation industrial personal computer, a PLC control module, a switch protector and a belt transportation terminal device, wherein a switch hard contact signal is read by the PLC, the hard contact signal is transmitted to the belt transportation industrial personal computer, the read hard contact signal is read by the RS485 communication interface module and transmitted to the control center computer by the Ethernet remote transmission system, and the feedback control signal can be reversely transmitted to the PLC control module by the control center computer to control the action of the belt transportation terminal device, so that automatic control is realized; and simultaneously, the action of the belt transportation terminal equipment is logically programmed through the PLC control module.
Further, the belt transport terminal equipment is non-main transport belt transport terminal equipment.
Further, the switch hard contact signal comprises a belt speed, a coal pile, deviation, temperature, an emergency stop along the line and a belt tearing protection signal.
Has the advantages that: compare the method of carrying out direct control through RS485, the utility model discloses control is stable, can feed back control command execution more accurately and whether target in place.
Drawings
Fig. 1 is a schematic diagram of a remote control signal automatic access system of a coal mine belt transportation terminal device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 shows a remote control signal automatic access system for a coal mine belt transportation terminal device, which comprises a control center computer, an ethernet remote transportation system, an RS485 communication interface module, a belt transportation industrial personal computer, a PLC control module, a switch protector and a belt transportation terminal device, wherein the belt transportation terminal device is a non-main transportation belt transportation terminal device; the PLC reads the switch hard contact signal, transmits the hard contact signal to the belt transportation industrial personal computer, reads the signal through the RS485 communication interface module, transmits the signal to the control center computer through the Ethernet transmission remote transmission system, and the control center computer can reversely transmit the feedback control signal to the PLC control module to control the action of the belt transportation terminal equipment and realize automatic control; and simultaneously, the action of the belt transportation terminal equipment is logically programmed through the PLC control module. Therefore, the control command is reliably executed, the command execution condition is fed back in time, and the stable operation of the automatic control system is ensured.
The switch hard contact signals comprise protection signals such as belt speed, coal piling, deviation, temperature, emergency stop along the line, belt tearing and the like, and the signals are transmitted to the PLC control module through corresponding sensors and monitoring devices.
To sum up, the utility model discloses obvious beneficial effect does: the utility model discloses control stably, can feed back control command execution more accurately and whether target in place.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (2)
1. A remote control signal automatic access system of a coal mine belt transportation terminal device is characterized by comprising a control center computer, an Ethernet remote transportation system, an RS485 communication interface module, a belt transportation industrial personal computer, a PLC control module, a switch protector and a belt transportation terminal device, wherein a switch hard contact signal is read by the PLC, the hard contact signal is transmitted to the belt transportation industrial personal computer, the RS485 communication interface module reads the hard contact signal, the Ethernet transmission remote transmission system transmits the hard contact signal to the control center computer, and the control center computer can reversely transmit a feedback control signal to the PLC control module to control the action of the belt transportation terminal device and realize automatic control; and simultaneously, the action of the belt transportation terminal equipment is logically programmed through the PLC control module.
2. The automated access system for remote control signals of coal mine belt conveyor terminal equipment according to claim 1, wherein the belt conveyor terminal equipment is non-primary conveyor belt conveyor terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120452724.5U CN214609963U (en) | 2021-03-01 | 2021-03-01 | Automatic access system of remote control signal of coal mine belt transportation terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120452724.5U CN214609963U (en) | 2021-03-01 | 2021-03-01 | Automatic access system of remote control signal of coal mine belt transportation terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214609963U true CN214609963U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120452724.5U Active CN214609963U (en) | 2021-03-01 | 2021-03-01 | Automatic access system of remote control signal of coal mine belt transportation terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214609963U (en) |
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2021
- 2021-03-01 CN CN202120452724.5U patent/CN214609963U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230907 Address after: 168 Beijing Middle Road, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: National Energy Group Ningxia Coal Industry Co.,Ltd. Address before: 750000 meihuajing coal mine, Ningdong Town, Lingwu City, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: Meihuajing coal mine of Ningxia Coal Industry Co., Ltd. of state energy Group |