CN214475499U - Multi-parameter monitoring substation-based top-cut roadway-retaining safety monitoring wireless transmission system - Google Patents
Multi-parameter monitoring substation-based top-cut roadway-retaining safety monitoring wireless transmission system Download PDFInfo
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- CN214475499U CN214475499U CN202120550437.8U CN202120550437U CN214475499U CN 214475499 U CN214475499 U CN 214475499U CN 202120550437 U CN202120550437 U CN 202120550437U CN 214475499 U CN214475499 U CN 214475499U
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Abstract
The utility model discloses a wireless transmission system for safe monitoring of roof cutting and roadway retaining based on a multi-parameter monitoring substation, which comprises a bolt anchor cable dynamometer, a roof separation layer instrument, a borehole stress meter, a waste rock blocking pressure sensor, a top and bottom plate displacement monitor, a wireless transmission substation, a main station and a ground industrial control host, wherein the bolt anchor cable dynamometer, the roof separation layer instrument, the borehole stress sensor, a stop lever pressure sensor and the top and bottom plate displacement monitor are connected with the wireless transmission substation through signal transmission cables, the wireless transmission substation is provided with a plurality of stations, the input end of the main station is connected with the wireless transmission substation, the output end of the main station is connected with the ground industrial control host, the utility model discloses can upload detected pressure and displacement data in real time through a wireless networking communication mode, the transmission system is simple, the construction technology and the cost are low, the problems of troublesome wiring and debugging, large maintenance engineering quantity, damaged transmission cables, difficult recovery and the like are solved, the working efficiency is improved.
Description
Technical Field
The utility model relates to a tunnel technical field, more specifically say, in particular to cut top entry retaining safety monitoring wireless transmission system based on many parameter monitoring substations.
Background
The top-cutting pressure-relief gob-side entry retaining coal pillar-free mining technology is a novel entry retaining technology, the important thing is to accurately grasp the dynamic change of the surrounding rock of the roadway in the entry retaining process, the existing roadway safety monitoring system mainly carries out data transmission in an online mode and adopts a CAN bus mode for communication; however, the roof cutting pressure relief gob-side entry retaining coal pillar-free mining needs real-time dynamic monitoring on the roadway surrounding rock in the whole process of entry retaining, the types and the number of related monitoring equipment are large, the problems that wiring is greatly influenced by the environment, subsequent maintenance and operation are inconvenient, long-distance transmission signals are easy to attenuate, cables are damaged along with the mining operation, and recovery is difficult can be caused inevitably by adopting on-line transmission.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cut top entry retaining safety monitoring wireless transmission system based on many parameter monitoring substations.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cut top entry safety monitoring wireless transmission system based on multi-parameter monitoring substation, the system includes stock anchor rope dynamometer, roof absciss layer appearance, drilling stress meter, fender waste rock pressure sensor, top bottom plate displacement monitor, wireless transmission substation, main website and ground industrial control host computer, stock anchor rope dynamometer, roof absciss layer appearance, drilling stress sensor, shelves pole pressure sensor and top bottom plate displacement monitor pass through the signal transmission cable and are connected with the wireless transmission substation, the wireless transmission substation is equipped with a plurality ofly, through whip antenna transmission and received signal between the wireless transmission substation, the wireless transmission substation is connected to the main website input, and the main website output is connected ground industrial control host computer.
Preferably, the wireless transmission substation comprises a shell, a main board and a power supply, wherein the whip antenna is installed on the shell, and the main board comprises a wireless communication module, a sampling clock, a storage, a display module, an RS485 data transmission module, a high-speed infrared communication module, a programming interface and a power supply control module.
Preferably, the anchor rod and anchor cable dynamometer is installed between a roadway top plate and a tray, an electric signal of the dynamometer is changed due to extrusion of the roadway top plate, and the electric signal is amplified and driven and then transmitted to the wireless transmission substation.
Preferably, the drilling stress meter and the pressure sensor of the stop lever transmit oil pressure to an elastic body of the pressure sensor transmitter through a stainless steel pipe or an oil pipe to cause the change of an electric signal, and the electric signal is amplified and driven by the sensor transmitter and then transmitted to the wireless transmission substation.
Preferably, the top plate separation instrument and the top and bottom plate displacement monitor convert displacement signals into voltage signals and transmit the voltage signals to the wireless transmission substation.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses can upload the pressure that detects, displacement data in real time through wireless networking's communication mode, transmission system is simple, construction technology and with low costs, has solved that the wiring is troublesome and debugging, the big transmission cable of maintenance engineering volume receives the damage and retrieves difficult scheduling problem, has improved work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a frame diagram of a top-cut roadway-retaining safety monitoring wireless transmission system based on a multi-parameter monitoring substation;
FIG. 2 is a block diagram of the motherboard of the present invention;
fig. 3 is a circuit diagram of the main board of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1, the utility model provides a roof cutting entry retaining safety monitoring wireless transmission system based on multi-parameter monitoring substation, the system includes anchor rod anchor cable dynamometer 2, roof separation layer appearance 3, drilling stress meter 1, waste rock blocking pressure sensor 4, top and bottom plate displacement monitor 5, wireless transmission substation, main station and ground industrial control host computer, anchor rod anchor cable dynamometer 2, roof separation layer appearance 3, drilling stress sensor, stopper rod pressure sensor and top and bottom plate displacement detector are connected with wireless transmission substation through signal transmission cable, wireless transmission substation is equipped with a plurality of, transmit and receive signal through whip antenna between the wireless transmission substation, a plurality of wireless transmission substations are interconnected, can increase signal transmission's distance, therefore, the strength of signal transmission is ensured, the input end of the main station is connected with the wireless transmission substation, and the output end of the main station is connected with the ground industrial control host.
In this embodiment, the wireless transmission substation includes the casing, mainboard and power, whip antenna installs on the casing, refer to fig. 2 and fig. 3 and show, the mainboard includes wireless communication module, sampling clock and accumulator, the display module, RS485 data transmission module, high-speed infrared communication module, programming interface, power control module, wherein wireless communication module, RS485 data transmission module, high-speed infrared communication module adopts the UART mode to be connected with MCU control module, clock chip and accumulator pass through IIC bus mode with MCU control module and are connected, display module passes through SPI bus mode with MCU control module and is connected, programming interface is direct to be connected with MCU control module's IO, can guarantee that the signal of each equipment can be stable transmit for main website through the mainboard.
In the embodiment, the anchor rod and anchor cable dynamometer 2 is installed between a roadway top plate and a tray, an electric signal of the dynamometer changes due to extrusion of the roadway top plate, and the electric signal is amplified and driven and then transmitted to the wireless transmission substation.
In this embodiment, the borehole stressometer 1 and the pressure sensor of the stop lever transmit the oil pressure to the elastic body of the pressure sensor transmitter through the stainless steel pipe or the oil pipe to cause the change of the electric signal, and the electric signal is amplified and driven by the sensor transmitter and then transmitted to the wireless transmission substation.
In this embodiment, the top plate separation instrument 3 and the top and bottom plate displacement monitor 5 convert the displacement signal into a voltage signal and transmit the voltage signal to the wireless transmission substation.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.
Claims (5)
1. Roof cutting entry retaining safety control wireless transmission system based on many parameter monitoring substations, the system includes stock anchor rope dynamometer, roof separation layer appearance, drilling stressmeter, fender waste rock pressure sensor, top bottom plate displacement monitor, wireless transmission substation, main website and ground industrial control host computer, its characterized in that: stock anchor rope dynamometer, roof absciss layer appearance, drilling stress sensor, shelves pole pressure sensor and top bottom plate displacement detector pass through the signal transmission cable and are connected with the radio transmission substation, the radio transmission substation is equipped with a plurality ofly, through whip antenna transmission and received signal between the radio transmission substation, the radio transmission substation is connected to the main website input, and the main website output is connected ground industrial control host computer.
2. The system of claim 1, wherein the system comprises: the wireless transmission substation comprises a shell, a main board and a power supply, wherein the whip antenna is installed on the shell, and the main board comprises a wireless communication module, a sampling clock, a storage, a display module, an RS485 data transmission module, a high-speed infrared communication module, a programming interface and a power supply control module.
3. The system of claim 1, wherein the system comprises: the anchor rod and anchor cable dynamometer is installed between a roadway top plate and a tray, electric signals of the dynamometer change due to extrusion of the roadway top plate, and the electric signals are amplified and driven and then transmitted to the wireless transmission substation.
4. The system of claim 1, wherein the system comprises: the borehole stressometer and the stop lever pressure sensor transmit oil pressure to an elastic body of the pressure sensing transmitter through a stainless steel pipe or an oil pipe to cause the change of an electric signal, and the electric signal is amplified and driven by the sensing transmitter and then transmitted to the wireless transmission substation.
5. The system of claim 1, wherein the system comprises: the top plate separation instrument and the top and bottom plate displacement monitor convert displacement signals into voltage signals and transmit the voltage signals to the wireless transmission substation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120550437.8U CN214475499U (en) | 2021-03-17 | 2021-03-17 | Multi-parameter monitoring substation-based top-cut roadway-retaining safety monitoring wireless transmission system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120550437.8U CN214475499U (en) | 2021-03-17 | 2021-03-17 | Multi-parameter monitoring substation-based top-cut roadway-retaining safety monitoring wireless transmission system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165270A (en) * | 2021-12-07 | 2022-03-11 | 阚磊 | Intelligent management system for anchor rod cable construction |
| CN115002581A (en) * | 2022-08-05 | 2022-09-02 | 陕西浩兴坤达新能源科技有限公司 | Stress monitoring method and system for natural electromagnetic pulse vector signal |
| CN115095368A (en) * | 2022-07-19 | 2022-09-23 | 内蒙古双欣矿业有限公司 | Device and method for monitoring prestress of mechanical gear type anchor rod |
-
2021
- 2021-03-17 CN CN202120550437.8U patent/CN214475499U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165270A (en) * | 2021-12-07 | 2022-03-11 | 阚磊 | Intelligent management system for anchor rod cable construction |
| CN115095368A (en) * | 2022-07-19 | 2022-09-23 | 内蒙古双欣矿业有限公司 | Device and method for monitoring prestress of mechanical gear type anchor rod |
| CN115002581A (en) * | 2022-08-05 | 2022-09-02 | 陕西浩兴坤达新能源科技有限公司 | Stress monitoring method and system for natural electromagnetic pulse vector signal |
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