CN211656175U - Colliery is many information sensing devices of environment in pit based on thing networking - Google Patents
Colliery is many information sensing devices of environment in pit based on thing networking Download PDFInfo
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- CN211656175U CN211656175U CN202020710106.1U CN202020710106U CN211656175U CN 211656175 U CN211656175 U CN 211656175U CN 202020710106 U CN202020710106 U CN 202020710106U CN 211656175 U CN211656175 U CN 211656175U
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Abstract
The utility model discloses a colliery is environmental multi-information perception device in pit based on thing networking belongs to communication and environmental monitoring field. The device uses an FPGA as a main control chip and transmits real-time voice video and environmental parameter information under a coal mine to a ground control center through connection with a camera, a microphone, a temperature and humidity sensor, a gas concentration sensor and a dust concentration sensor; the optical fiber transmission is realized by connecting the photoelectric conversion module, and meanwhile, the transmission efficiency is improved by compressing the image acquired by the camera; the detection of the life body can be carried out by connecting with the life detection radar; by connecting to NB-loT, emergency communication may be available. The device greatly improves the underground coal mine environment detection elements, the communication quality and the efficiency through a multi-sensor fusion technology and an optical fiber communication technology, timely discovers and pre-warns the monitored environment information and the position with problems, and ensures the safety production of a coal mine.
Description
Technical Field
The utility model belongs to communication and environmental monitoring field are applied to the transmission of colliery underground environment and real-time image, especially relate to a colliery underground environment multi-information perception device based on thing networking.
Background
Coal mine underground safety is the first major task of coal mine production. The remote information sensing device of the coal mine is particularly important in order to find dangerous conditions in time and perform early warning because of coal mine safety accidents caused by poor supervision, low safety awareness of miners, improper manual operation and the like. Information sensing equipment applied to the coal mine industry becomes an important technical means for safe production and management of coal mines. Especially, in important places such as underground substations, mine personnel often perform routing inspection and operation, and the safety of workers and equipment is the important factor of coal mine safety; in addition, cables are distributed in a staggered mode, lamplight is dark, and the safety accident rate is high at underground coal conveying belts and all roadways. The real-time information perception is carried out underground, the underground working state and the environmental information of the coal mine can be timely obtained, and the real-time information perception underground coal mine monitoring system has important practical value for dispatching command, personnel behavior analysis and the like in emergency situations. Therefore, the research on the communication and environment sensing device is very significant.
With the development of the internet of things technology, more and more communication and environment sensing devices are produced, but the functions are single, and most products only have single video transmission, voice transmission or environment monitoring functions. In current colliery monitoring devices, the user has to install multiple equipment for possessing various functions to lead to host computer terminal mismatch, operation scheduling problem, increase manpower and financial cost.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the not enough and prior art unicity of colliery underground communication and environmental monitoring and the problem of inefficiency in the existing market, the utility model provides a colliery is many information sensing device in environment in pit based on thing networking, the device can realize in the colliery in the pit through optic fibre with ground command center's video speech communication and to the environmental monitoring in underground coal mine tunnel. Meanwhile, the optical fiber transmission technology is used, so that the anti-interference effect can be effectively achieved. The device integrates communication and perception, saves cost and installation time, and simultaneously reduces the problems of incompatibility of equipment of different manufacturers and a plurality of display terminals.
The technical scheme is as follows: for realizing the purpose of the utility model, the utility model adopts the technical proposal that: a coal mine underground environment multi-information sensing device based on the Internet of things comprises a box body, an FPGA, an audio and video communication module, an environment monitoring module, a life detection module, an LCD screen, an earphone socket, a call request button, an audible and visual alarm, an energy storage power supply, an optical fiber interface, optical fibers and a power line;
the audio and video communication module comprises a camera, a microphone, a loudspeaker and an audio power amplifier module; the loudspeaker is powered through a power line and connected with the FPGA through a data line; the audio power amplification module is electrically connected with the loudspeaker and is used for amplifying the volume of the loudspeaker; the environment monitoring module comprises a temperature and humidity sensor, a gas concentration sensor and a dust concentration sensor; the life detection module comprises an ultra-wideband life detection radar module and an NB-loT module; the ultra-wideband life detection radar module is used for detecting whether life bodies exist around the device or not when a mine disaster occurs, and the NB-loT module is used for emergency communication when an optical fiber circuit is damaged;
the FPGA is respectively connected with a camera, a microphone, an LCD screen, an earphone jack, a temperature and humidity sensor, a gas concentration sensor, a call request button, a loudspeaker, an NB-loT module, an audible and visual alarm, an ultra-wideband life detection radar module and a dust concentration sensor; the FPGA is connected with the optical fiber and the power line respectively through a photoelectric conversion circuit and a voltage stabilizing circuit, and the power line supplies power to the device through the voltage reducing and stabilizing circuit; the energy storage power supply is used for providing a standby power supply for the device when the power is cut off;
the FPGA is used for receiving and processing audio and video signals acquired by the camera and the microphone and transmitting the audio and video signals to the command center through optical fibers; the device is used for receiving and processing temperature and humidity data of the environment detected by the temperature and humidity sensor, the concentration data of inflammable and explosive gas of the environment detected by the gas concentration sensor and the density data of dust particles in the environment detected by the dust concentration sensor, converting the corresponding data into electric signals and sending the electric signals to the LCD screen for display; the voice alarm is also used for controlling the audible and visual alarm to give an alarm and sending a voice signal transmitted by the command center through optical fibers to a loudspeaker to be played;
the camera, the microphone, the LCD screen, the earphone jack, the temperature and humidity sensor, the gas concentration sensor and the call request button are all arranged right in front of the box body; the loudspeakers are arranged on two sides of the box body, and the NB-loT module is arranged on one side of the box body; the audible and visual alarm and the ultra-wideband life detection radar module are arranged above the box body; the dust concentration sensor is arranged below the box body; the optical fiber interface, the optical fiber and the power line are arranged at the rear of the box body; the FPGA, the energy storage power supply and the audio power amplifier module are arranged in the box body, and the arrangement positions follow the safe arrangement principle, but the positions are not unique.
Furthermore, the device also comprises an electric quantity detection circuit, wherein the electric quantity detection circuit is respectively electrically connected with the energy storage power supply and the FPGA and is used for acquiring the real-time electric quantity of the energy storage power supply and displaying the real-time electric quantity through the LCD.
Furthermore, the FPGA is connected with the spraying device or the exhaust device through a data interface and is used for transmitting a dust concentration standard exceeding signal or a gas concentration abnormal signal to the spraying device or the exhaust device as a starting signal of the device.
The utility model discloses utilize FPGA chip control camera, microphone, speaker, audio power amplifier module, temperature and humidity sensor, gas concentration sensor, dust concentration sensor, life detection radar, with colliery real-time pronunciation video and environmental parameter data transfer in the pit to ground control center. The display screen of the underground device can also view the parameters of various indexes in the underground environment in real time. Data is transmitted over optical fiber or NB-loT modules. The utility model discloses multiple functional, transplantable, the flexibility is strong, realizes the real-time perception to coal mine tunnel environmental information, in time discovers the problem. Meanwhile, the system can communicate with the ground control center in real time and transmit the video information of the roadway to the ground control center terminal through the optical fiber.
Consider that underground tunnel is longer, need more the utility model discloses the device even adopt optic fibre can carry out the data transmission of big bandwidth, for further improvement transmission rate and efficiency, the utility model discloses the device can be to the image of camera collection carry out compression processing back transmission through FPGA processing chip.
Has the advantages that: compared with the prior art, the technical scheme of the utility model following profitable technological effect has:
the device of the utility model can enable the ground command center to communicate with the underground coal mine in real time and monitor the environmental condition of the coal mine tunnel in real time, reduce the occurrence of disasters caused by gas explosion, severe environment, unsmooth communication and other problems in the underground coal mine, and enable the underground coal miners to have one more layer of guarantee; the device can also effectively reduce or even prevent the operation of the underground roadway violating the safe production regulation. When disasters happen to a coal mine due to force factors, the voice video call and life detection functions of the device can provide timely and effective information for rescue, and rescue work is accurate and efficient.
The utility model discloses the device carries out data transmission through optic fibre, greatly improves interference immunity and transmission speed. The use of the optical fiber ensures that the device does not have information delay even if voice, video and various sensor signals are transmitted simultaneously. The NB-loT module of the device can provide emergency communication for the device in this situation, taking into account the possibility that the fiber will break in the event of a collapse, while the stored energy power supply can ensure that the device will remain in service during a power outage.
Drawings
FIG. 1 is a front view of the structure of the embodiment;
FIG. 2 is a cross-sectional internal view of the embodiment;
FIG. 3 is a structural left side view of the embodiment;
FIG. 4 is a structural right side view of the embodiment;
FIG. 5 is a flow chart of the operation of the apparatus;
FIG. 6 is a schematic diagram of data streaming;
the system comprises a box body 1, an LCD screen 2, a call request button 3, a camera 4, a microphone 5, an earphone jack 6, a loudspeaker 7, an audible and visual alarm 8, a temperature and humidity sensor 9, a gas concentration sensor 10, a dust concentration sensor 11, an ultra-wideband life detection radar module 12, an NB-loT module 13, a power line 14, an optical fiber 15, an optical fiber 16, an optical fiber interface 17, an energy storage power supply 18, an audio power amplifier module 18 and an FPGA main control chip 19.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
The utility model discloses a colliery is environment multi-information perception device in pit based on thing networking, as shown in fig. 1-4, including box 1, FPGA main control chip 19, audio and video communication module, environmental monitoring module, life detection module, LCD screen 2, earphone socket 6, request conversation button 3, audible and visual alarm 8, energy storage power 17, optical fiber interface 16, optic fibre 15 and power cord 14;
the audio and video communication module comprises a camera 4, a microphone 5, a loudspeaker 7 and an audio power amplifier module 18; the loudspeaker 7 is powered through a power line 14 and connected with the FPGA main control chip 19 through a data line; the audio power amplifier module 18 is electrically connected with the loudspeaker 7 and is used for amplifying the volume of the loudspeaker 7;
the environment monitoring module comprises a temperature and humidity sensor 9, a gas concentration sensor 10 and a dust concentration sensor 11; the measurement range of the dust concentration sensor 11 is 500-50000ppm, the temperature detection range of the temperature and humidity sensor 9 is-20-120 ℃, and the monitoring range of the temperature and humidity sensor 9 is 10-90% RH;
the dust concentration sensor 11 adopted in the embodiment is a laser scattering type sensor, and can monitor and display the environmental dust concentration in real time under the conditions of no wind and natural wind.
The life detection module comprises an ultra-wideband life detection radar module 12 and an NB-loT module 13; the ultra-wideband life detection radar module 12 is used for detecting whether life bodies exist around the device when a mine disaster occurs, and the NB-loT module 13 is used for emergency communication when an optical fiber line is damaged.
The camera 4, the microphone 5, the LCD screen 2, the earphone jack 6, the temperature and humidity sensor 9, the gas concentration sensor 10 and the call request button 3 are all arranged right in front of the box body 1; the loudspeaker 7 is arranged on two sides of the box body 1, and the NB-loT module 13 is arranged on one side of the box body 1; the audible and visual alarm 8 and the ultra-wideband life detection radar module 12 are arranged above the box body 1; the dust concentration sensor 11 is arranged below the box body 1; the optical fiber interface 16, the optical fiber 15 and the power line 14 are all arranged at the rear of the box body 1; the FPGA main control chip 19, the energy storage power supply 17 and the audio power amplifier module 18 are arranged in the box body 1, and the arrangement positions follow the safe arrangement principle, but the positions are not unique.
The FPGA main control chip 19 is respectively connected with the camera 4, the microphone 5, the LCD screen 2, the earphone jack 6, the temperature and humidity sensor 9, the gas concentration sensor 10, the call request button 3, the loudspeaker 7, the NB-loT module 13, the audible and visual alarm 8, the ultra-wideband life detection radar module 12 and the dust concentration sensor 11; the FPGA main control chip 19 is connected with the optical fiber 15 and the power line 14 through a photoelectric conversion circuit and a voltage stabilizing circuit respectively, and the power line 14 supplies power to the device through a voltage reducing and voltage stabilizing circuit; the energy storage power supply 17 is used to provide a backup power supply for the device when power is off.
The FPGA main control chip 19 is used for receiving and processing audio and video signals acquired by the camera 4 and the microphone 5 and transmitting the audio and video signals to a command center through an optical fiber 15; meanwhile, the device is used for receiving and processing temperature and humidity data of the environment detected by the temperature and humidity sensor 9, the concentration data of inflammable and explosive gas of the environment detected by the gas concentration sensor 10 and the density data of dust particles in the environment detected by the dust concentration sensor 11, converting the corresponding data into electric signals and sending the electric signals to the LCD screen 2 for displaying; and the voice control module is also used for controlling the audible and visual alarm 8 to give an alarm and sending voice signals transmitted by the command center through the optical fiber 15 to the loudspeaker 7 to be played.
The device outward appearance presents the cuboid, adopts thickening metal, has explosion-proof effect. Except that the energy storage power supply 17, the FPGA main control chip 19 and the audio power amplifier module 18 are arranged in the device and cannot be seen from the appearance, other components can be observed through the appearance. The FPGA main control chip 19 adopts a high-performance FPGA, and the camera 4, the microphone 5, the earphone jack 6, the temperature and humidity sensor 9, the gas concentration sensor 10, the dust concentration sensor 11 and the ultra-wideband life detection radar module 12 are used as input equipment of the device and are respectively distributed on the surface of the device. The loudspeaker 7, the audible and visual alarm 8 and the NB-loT module 13 are used as output parts of the device. The FPGA main control chip 19 determines whether to operate the output unit according to the received external signal. The temperature and humidity sensor 9 and the gas concentration sensor 10 are arranged in front of the device, so that the sensors can be in full and large-area contact with the environment after being installed, and an accurate monitoring effect is achieved; the dust concentration sensor 11 is arranged below to better collect dust so as to accurately detect the dust concentration; the LCD screen 2, the call request button 3, the camera 4, the microphone 5 and the earphone jack 6 are arranged in front of the device for convenient operation and viewing; the ultra-wideband life detection radar module 12 and the audible and visual alarm 8 are respectively arranged above the device so as to better detect and enable alarm information to be found easily; the speakers 7 are arranged at the left side and the right side of the device so as to enable sound to be transmitted farther in a roadway; the NB-loT module 13 is placed on the side of the device for better signal reception; the optical fiber interface 16 and the power line 14 are arranged at the rear of the device to be hidden after installation, so that the interface looseness and the abrasion of the power line skin caused by long-term touch are avoided.
In this embodiment, the device further includes an electric quantity detection circuit, the electric quantity detection circuit is respectively electrically connected with the energy storage power supply 17 and the FPGA main control chip 19, and is used for acquiring the real-time electric quantity of the energy storage power supply 17 and displaying the real-time electric quantity through the LCD. In this embodiment, the FPGA main control chip 19 is connected to the spraying device or the air exhaust device through a data interface, and is configured to transmit a dust concentration exceeding signal or a gas concentration abnormal signal to the spraying device or the air exhaust device as a start signal of the device.
As shown in fig. 5, the utility model discloses utilize FPGA main control chip 19 control camera 4, microphone 5, speaker 7, audio power amplifier module 18, temperature and humidity sensor 9, gas concentration sensor 10, dust concentration sensor 11, ultra wide band life to survey radar module 12, with colliery real-time voice video and environmental parameter data transfer in the pit to ground control center. The LCD screen 2 of the underground installation also enables real-time viewing of parameters of various indicators in the downhole environment. When the call request button 3 is pressed, voice communication is requested to the ground (the video is one-way video, and the underground situation can be watched only on the ground); the camera 4 continuously transmits video information to the ground command control center through an optical fiber when the device is electrified; the microphone 5 is a voice input device in a tunnel when an underground voice communication request or a command center requests voice communication; the earphone jack 6 belongs to a reserved interface, so that the earphone with good sound insulation effect can be used for improving the voice communication quality under the very noisy condition; and high-power audio output can be realized through the main control FPGA chip and the power amplification circuit. Data is transmitted over optical fiber 15 or NB-loT module 13. The utility model discloses multiple functional, transplantable, the flexibility is strong, realizes the real-time perception to coal mine tunnel environmental information, in time discovers the problem. Meanwhile, the system can communicate with the ground control center in real time and transmit the video information of the roadway to the ground control center terminal through the optical fiber.
As shown in fig. 6, a system built by using the device can be divided into three parts, namely a ground control center, a monitoring device and an optical fiber transmission network. The ground control center comprises a server and a microphone, and the optical fiber transmission network comprises a communication gateway and a relay router. The system monitors dust, temperature and humidity and gas concentration of the roadway and transmits roadway voice and video data in real time, and the data are collected and uploaded to a communication network and finally transmitted to a server of a ground control center. The voice video communication service determines the distribution and location of the equipment through the IP address. The ground control center may trigger the emergency alert function to broadcast a message to individual or all devices by entering individual or all IPs.
Consider that underground tunnel is longer, need more the utility model discloses the device even adopt optic fibre can carry out the data transmission of big bandwidth, for further improvement transmission rate and efficiency, the utility model discloses the device can carry out compression processing back transmission through FPGA main control chip 19 to the image that camera 4 gathered.
The device is installed under a coal mine, the LCD screen 2 displays data detected by each current sensor after being electrified, if the temperature change detected by the temperature and humidity sensor 9 exceeds a set value of the device, the LCD screen 2 displays temperature abnormity and sends out acousto-optic alarms, meanwhile, the data information is transmitted to the background server, and the ground command center receives alarm information at the same time, so that operation personnel and command personnel can process the alarm information in time. Similarly, the dust concentration sensor 11 and the gas concentration sensor 10 can display dust concentration or gas concentration abnormality on the LCD screen 2 to send out sound and light alarm when the change exceeds the set value of the device, and transmit data to the server and the ground command center receives corresponding alarm information. Meanwhile, the alarm signal of the dust concentration sensor 11 can be output to a dust falling device for sprinkling and spraying as a switch signal, and the alarm signal of the gas concentration sensor 10 can be output to a ventilation device as a switch signal. The ultra-wideband life detection radar module 12 combines an ultra-wideband radar with a life extraction algorithm, so that life signs of mine personnel can be detected from the inside of a mine after the mine collapses and other accidents occur, and the equipment communication optical cable can break after the mine collapses, so that the NB-loT module 13 is used for carrying out wireless communication with the ground after an accident occurs, and the detected condition is transmitted to the ground in time.
The technical solution of the present invention is not limited to the above-mentioned conditions; although some details are described, the device can be modified or parts can be modified and replaced; and such substitutions should not theoretically depart from the spirit and scope of the present invention.
Claims (3)
1. The utility model provides a colliery is many information sensing devices of environment in pit based on thing networking which characterized in that: the device comprises a box body, an FPGA, an audio and video communication module, an environment monitoring module, a life detection module, an LCD screen, an earphone jack, a call request button, an audible and visual alarm, an energy storage power supply, an optical fiber interface, optical fibers and a power line;
the audio and video communication module comprises a camera, a microphone, a loudspeaker and an audio power amplifier module; the loudspeaker is powered through a power line and connected with the FPGA through a data line; the audio power amplification module is electrically connected with the loudspeaker and is used for amplifying the volume of the loudspeaker; the environment monitoring module comprises a temperature and humidity sensor, a gas concentration sensor and a dust concentration sensor; the life detection module comprises an ultra-wideband life detection radar module and an NB-loT module;
the FPGA is respectively connected with a camera, a microphone, an LCD screen, an earphone jack, a temperature and humidity sensor, a gas concentration sensor, a call request button, a loudspeaker, an NB-loT module, an audible and visual alarm, an ultra-wideband life detection radar module and a dust concentration sensor; the FPGA is connected with the optical fiber and the power line respectively through a photoelectric conversion circuit and a voltage stabilizing circuit, and the power line supplies power to the device through the voltage reducing and stabilizing circuit; the energy storage power supply is used for providing a standby power supply for the device when the power is cut off;
the FPGA is used for receiving and processing audio and video signals acquired by the camera and the microphone and transmitting the audio and video signals to the command center through optical fibers; meanwhile, the device is used for receiving and processing data detected by a temperature and humidity sensor, a gas concentration sensor and a dust concentration sensor, converting the corresponding data into electric signals and then sending the electric signals to an LCD screen for display; the voice alarm is also used for controlling the audible and visual alarm to give an alarm and sending a voice signal transmitted by the command center through optical fibers to a loudspeaker to be played;
the camera, the microphone, the LCD screen, the earphone jack, the temperature and humidity sensor, the gas concentration sensor and the call request button are all arranged right in front of the box body; the loudspeakers are arranged on two sides of the box body, and the NB-loT module is arranged on one side of the box body; the audible and visual alarm and the ultra-wideband life detection radar module are arranged above the box body; the dust concentration sensor is arranged below the box body; the optical fiber interface, the optical fiber and the power line are arranged at the rear of the box body; the FPGA, the energy storage power supply and the audio power amplifier module are arranged in the box body.
2. The coal mine underground environment multi-information sensing device based on the Internet of things according to claim 1, which is characterized in that: the device further comprises an electric quantity detection circuit, wherein the electric quantity detection circuit is respectively electrically connected with the energy storage power supply and the FPGA and is used for acquiring the real-time electric quantity of the energy storage power supply and displaying the real-time electric quantity through the LCD.
3. The coal mine underground environment multi-information sensing device based on the internet of things as claimed in claim 1 or 2, wherein: the FPGA is connected with the spraying device or the exhaust device through a data interface and is used for transmitting a dust concentration standard exceeding signal or a gas concentration abnormal signal to the spraying device or the exhaust device as a starting signal of the device.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320470A (en) * | 2021-12-28 | 2022-04-12 | 淮南市阶梯电子科技有限公司 | Coal mine shaft electrical safety monitoring system and method |
| CN114979587A (en) * | 2022-07-29 | 2022-08-30 | 四川锦美环保股份有限公司 | Shared coating line scheduling management control system |
| CN115090443A (en) * | 2022-07-08 | 2022-09-23 | 重庆大学 | Real-time controllable spraying system based on target detection and control method |
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2020
- 2020-04-28 CN CN202020710106.1U patent/CN211656175U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320470A (en) * | 2021-12-28 | 2022-04-12 | 淮南市阶梯电子科技有限公司 | Coal mine shaft electrical safety monitoring system and method |
| CN115090443A (en) * | 2022-07-08 | 2022-09-23 | 重庆大学 | Real-time controllable spraying system based on target detection and control method |
| CN114979587A (en) * | 2022-07-29 | 2022-08-30 | 四川锦美环保股份有限公司 | Shared coating line scheduling management control system |
| CN114979587B (en) * | 2022-07-29 | 2022-11-04 | 四川锦美环保股份有限公司 | Shared coating line scheduling management control system |
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