High-speed railway line monitoring system based on cloud communication

文档序号:5613 发布日期:2021-09-17 浏览:31次 中文

1. A high-speed railway line monitoring system based on cloud communication, characterized by includes: the system comprises a control unit, a wind speed sensor, a foreign matter sensor, a rainfall sensor, a rail temperature sensor, a shaft temperature sensor, a communication module and a cloud platform;

the control unit is in communication connection with the cloud platform through a communication module;

the wind speed sensor is electrically connected with the control unit and used for acquiring wind speed information and sending the wind speed information to the control unit;

the foreign body sensor is electrically connected with the control unit and used for collecting foreign body information and sending the foreign body information to the control unit;

the rainfall sensor is electrically connected with the control unit and used for collecting rainfall information and sending the rainfall information to the control unit;

the rail temperature sensor is electrically connected with the control unit and used for acquiring rail temperature information and sending the rail temperature information to the control unit;

the shaft temperature sensor is electrically connected with the control unit and used for collecting shaft temperature information and sending the shaft temperature information to the control unit.

2. The cloud communication-based high-speed rail line monitoring system according to claim 1, wherein the control unit comprises a main controller and a secondary controller, and the rail temperature sensor and the axle temperature sensor are respectively connected with the main controller through one secondary controller.

3. The cloud communication-based high-speed rail line monitoring system according to claim 2, wherein the main controller is an STM32F103ZET6 chip that is equipped with a Cortex-M3 kernel.

4. The cloud communication-based high-speed rail line monitoring system according to claim 2, wherein the secondary controller is an STM32F103R8T6 chip.

5. The cloud communication-based high-speed rail line monitoring system as claimed in claim 1, wherein the main controller is electrically connected with a communication module through a serial port circuit, and the communication module is NB-IoTM5311 in model.

6. The cloud communication-based high-speed rail line monitoring system according to claim 1, wherein the foreign object sensor is a correlation type photoelectric sensor.

Background

The cloud communication platform is an application business mode based on cloud platform computing, data communication of platform application can be carried out, service is provided for users, large cloud platforms at home and abroad use the service mode, software of the cloud communication platform is concentrated in a cloud end, the cloud communication platform has good accessibility and compatibility, after the users log in the cloud communication platform, independent software programs are not needed, more direct messages can be obtained only from webpages, the mode is beneficial to completing communication among multiple users, and the effect is obvious.

Because the cloud communication is mainly from the cloud computing technology, the cloud communication technology inherits numerous characteristics and advantages of the traditional cloud computing technology, and a new generation of communication technology is added, so that the cloud communication technology rapidly brings a reform enthusiasm in the technical field of communication after being proposed.

Due to the characteristic of integrating a large amount of data, the cloud communication can promote various different communication technologies to be fused and used, and the modernization requirements of different users in the communication application field are met practically. The technical field of internet communication is developed towards a more efficient, more convenient and faster technology, effective connection among various different information transfer media is realized, and the efficiency and convenience of information transfer are enhanced.

Disclosure of Invention

The invention aims to provide a high-speed rail line monitoring system based on cloud communication, which can just make up for the defects of a high-speed rail line in terms of environmental problems based on the advantages of the Internet and the cloud communication.

A high-speed railway line monitoring system based on cloud communication includes: the system comprises a control unit, a wind speed sensor, a foreign matter sensor, a rainfall sensor, a rail temperature sensor, a shaft temperature sensor, a communication module and a cloud platform.

The control unit is in communication connection with the cloud platform through the communication module and used for sending the processed information to the cloud platform through the communication module.

The wind speed sensor is electrically connected with the control unit and used for collecting wind speed information and sending the wind speed information to the control unit.

The foreign body sensor is electrically connected with the control unit and used for collecting foreign body information and sending the foreign body information to the control unit.

The rainfall sensor is electrically connected with the control unit and used for collecting rainfall information and sending the rainfall information to the control unit.

The rail temperature sensor is electrically connected with the control unit and used for collecting rail temperature information and sending the rail temperature information to the control unit.

The shaft temperature sensor is electrically connected with the control unit and used for collecting shaft temperature information and sending the shaft temperature information to the control unit.

Through setting up rainfall sensor, air velocity transducer, foreign matter sensor can monitor external environment, reduce the influence that external factor goes to high-speed railway.

Further, the control unit includes main control unit and secondary controller, rail temperature sensor and axle temperature sensor are connected with main control unit through a secondary controller respectively, main control unit control wind speed sensor, rainfall sensor, communication module, foreign matter sensor and a plurality of secondary controller, the main control unit is the STM32F103ZET6 chip of carrying on Cortex-M3 kernel, the secondary controller is STM32F103R8T6 chip. Compared with the traditional STC89C52MCU series products, the system has high cost performance, can develop more API interfaces, more bottom layer pin processing units and integrated bottom layer algorithm processing units, and is specially used for embedded system application service.

Furthermore, the foreign matter sensor and the MCU are connected in a mode that the negative electrode is connected with the same ground, the positive electrode is connected with the key value input in the A/D converter of the MCU, the common ground can be used for comparing the level, data can be uploaded, if the common ground is not available, the level cannot be compared, data transmission can fail, and the foreign matter sensor is a correlation type photoelectric sensor. The correlation type photoelectric sensor is selected on one hand because the photoelectric sensing speed is high; on the other hand because of its low cost. The correlation type photoelectric sensor mainly comprises three parts, which are respectively: the device comprises an optical signal transmitter, an optical signal receiver and a detection circuit, wherein an optical emission signal comes from a laser beam emitted by the optical signal transmitter through an alignment target position, and an optical emission signal output by the optical signal transmitter comes from an internal laser semiconductor emission light source, a light-emitting control diode and an external laser control diode. The photoelectron signal emitting and receiving device uses phototriode as main working element. The receiving end is usually installed in front of the optoelectronic signal transmitter-receiver, equipped with common optical elements such as laser lens and digital aperture, and the receiver of the optical transmission signal source is followed by a noise detection circuit, which outputs an effective noise signal and a non-useful noise signal through two noise filtering regions, respectively. In addition, the main electronic structural components of the correlation laser electronic sensor include a laser emitting plate and other optical fibers in addition to the above-mentioned electronic components. The triangular structure reflector plate device is a reflective photoelectron signal receiving device adopting a fixed triangular structure. The optical reflection device is formed by combining a plurality of small triangular circles or a plurality of cone-shaped optical reflectors, and can effectively promote optical reflection signals to accurately enter and output or return from a reflected plate, so that one optical reflection signal can be regarded as a line leading to a transmitting plate, the optical reflection signal can still be output from the line leading to the reflecting plate after multiple reflections, a monitoring program is downloaded into a main control plate, a chip is called to monitor and output digital signals by key values, and the main control device displays real-time data on a display screen.

Further, the rain sensor circuit board module is composed of two copper wires, which are designed in such a way that they can provide a high resistance to the supply voltage in dry conditions, and the output voltage of the module is 5V. The resistance of the module gradually decreases as the humidity on the circuit board increases. Along with the reduction of the resistance, the output voltage of the module is also reduced relative to the humidity on the module, the monitoring program is downloaded into the main control board, the chip is called to output a digital signal by the A/D converter, and the main controller realizes the conversion from the digital signal to rainfall data through an algorithm and displays the rainfall data on the display screen.

Furthermore, the positive pole of the wind speed sensor is connected with an ADC interface of the main controller, the negative pole of the wind speed sensor is connected with GND of the main controller, and in a hardware circuit, voltage is obtained by comparing potential, so that the wind speed sensor is monitored after being grounded, when horizontal flowing wind exists in the environment, the rotating wind cup can rotate to drive the small motor to generate voltage, the voltage of the small motor is basically in direct proportion to the rotating speed, and the wind speed sensor is assembled by adopting a small direct current brush motor and a three-cup type rotating wind cup. The wind speed sensor is a high-precision wind speed measuring sensor, a monitoring program is downloaded into a main control board, a chip is called to output a digital signal by an A/D converter, and the main controller realizes the conversion from the digital signal to wind speed data by an algorithm.

Furthermore, the chips of the rail temperature sensor and the shaft temperature sensor are STM32F103R8T6 with temperature sensors.

Furthermore, the main controller is connected with the communication module through a serial port circuit, the communication module is NB-IoT M5311 in model number, the NB-IoT module is commonly used for Internet of things communication, and the communication module has the characteristics of ultra-large coverage, ultra-strong connection, ultra-low cost and ultra-low power consumption, RX, TX, VCC and GND of the USB serial port conversion module CH340 matched with the hardware connection are respectively connected with the modules TX, RX, VCC and GND, and other pins on the core board can be disconnected when not used. Before powering on, a specific SIM card of an M5311 module must be correctly inserted into a card socket, when the M5311 is in serial connection with an MCU, a connection mode of a write terminal pin of an STM32 and a read terminal pin of the M5311 must be a specific reverse connection mode, namely, a read terminal RX at one end needs to be connected with a write terminal port TX at the other end, the write terminal port TX at one end needs to be connected with a read terminal port at the other end, after the NB-IoT module is connected with the MCU, the connection mode needs to be connected with a cloud platform through MCU program control, the connection mode is operated through specific instructions, the instructions comprise reported device information, the device is registered at a communication service provider, a fixed IP and a port which are connected with the cloud platform are connected, and device registration information is sent.

The invention has the technical effects that: through the combination with the cloud platform, make internet communication technical field towards more high-efficient, more convenient, the more quick technical direction development, realized the effective connection between the multiple different information transfer media, strengthened information transfer's high efficiency and convenience. Based on the advantages of the Internet and cloud communication, the method can exactly make up for the shortcomings of high-speed rail lines in terms of environmental problems.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a circuit diagram of a foreign object module of the present invention;

FIG. 3 is a circuit diagram of a rainfall sensor in the invention;

FIG. 4 is a circuit diagram of a wind speed sensor according to the present invention;

FIG. 5 is a serial circuit diagram of the present invention;

FIG. 6 is a hardware system work flow diagram of the present invention;

FIG. 7 is a flow chart of the software system of the present invention.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Functional details disclosed herein are merely illustrative of embodiments of the present invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the invention. When the terms "comprises," "comprising," "includes," and/or "including" are used herein, they specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.

It should be understood that specific details are provided in the following description to provide a thorough understanding of the embodiments. However, it will be understood by those of ordinary skill in the art that the embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order to avoid obscuring the examples using unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring the embodiments.

Example 1:

as shown in fig. 1, a high-speed railway line monitoring system based on cloud communication includes: the system comprises a control unit, a wind speed sensor, a foreign matter sensor, a rainfall sensor, a rail temperature sensor, a shaft temperature sensor, a communication module and a cloud platform.

The control unit is in communication connection with the cloud platform through the communication module and used for sending the processed information to the cloud platform through the communication module.

The wind speed sensor is electrically connected with the control unit and used for collecting wind speed information and sending the wind speed information to the control unit.

The foreign body sensor is electrically connected with the control unit and used for collecting foreign body information and sending the foreign body information to the control unit.

The rainfall sensor is electrically connected with the control unit and used for collecting rainfall information and sending the rainfall information to the control unit.

The rail temperature sensor is electrically connected with the control unit and used for collecting rail temperature information and sending the rail temperature information to the control unit.

The shaft temperature sensor is electrically connected with the control unit and used for collecting shaft temperature information and sending the shaft temperature information to the control unit.

Through setting up rainfall sensor, air velocity transducer, foreign matter sensor can monitor external environment, reduce the influence that external factor goes to high-speed railway.

Example 2:

on the basis of embodiment 1, as shown in fig. 2 to 5, the control unit includes a main controller and a secondary controller, and the rail temperature sensor and the axle temperature sensor are respectively connected with the main controller through one secondary controller.

The main controller is connected with the rainfall sensor, the wind speed sensor, the communication module, the foreign matter sensor and the secondary controllers.

The main controller is an STM32F103ZET6 chip carrying a Cortex-M3 kernel.

The secondary controller is an STM32F103R8T6 chip. Compared with the traditional STC89C52MCU series products, the system has high cost performance, can develop more API interfaces, more bottom layer pin processing units and integrated bottom layer algorithm processing units, and is specially used for embedded system application service.

The foreign matter sensor and the MCU are connected in a mode that the negative pole is connected with the common ground, the positive pole is connected with the key value input in the A/D converter of the MCU, the common ground can be used for comparing the electrical level, data can be uploaded, if the common ground is not available, the electrical level cannot be compared, and data transmission can fail.

The foreign matter sensor is a correlation type photoelectric sensor. The correlation type photoelectric sensor is selected on one hand because of high photoelectric sensing speed and high sensitivity, and on the other hand because of high cost performance and low cost. The correlation type photoelectric sensor mainly comprises three parts, which are respectively: an optical signal transmitter, an optical signal receiver and a detection circuit.

The light emission signal is from the laser beam emitted by the light signal transmitter through the alignment target position, and the light emission signal output by the light signal transmitter is continuously emitted from the optical fiber signals of the built-in laser semiconductor emission light source, the light-emitting control diode and the external laser control diode without interruption. The photoelectron signal emitting and receiving device uses phototriode as main working element. The receiving end is usually mounted in front of an optoelectronic signal transmitter-receiver, equipped with common optical element units, such as laser lenses and a digital aperture.

A receiver of the optical emission signal source is followed by a detection noise circuit which outputs an effective noise signal and a useless noise signal through two filtering noise areas respectively. In addition, the main electronic structural components of the correlation laser electronic sensor include a laser emitting plate and other optical fibers in addition to the above-mentioned electronic components. The triangular structure reflector plate device is a reflective photoelectron signal receiving device adopting a fixed triangular structure. The reflecting board is formed by combining a plurality of small triangular circles or a plurality of cone-shaped light reflectors, and can effectively promote the light reflection signals to accurately enter and output or return from the board to which the light is reflected, and the light reflection signals are still output from the circuit leading to the reflecting board after being reflected for a plurality of times.

And downloading the monitoring program into the main control board, calling the chip to monitor and output the digital signal by using the key value, and displaying real-time data on the display screen by the main controller.

The rain sensor circuit board module consists of two copper wires, which are designed in such a way that they can provide a high resistance to the mains voltage in dry conditions, and the output voltage of the module is 5V. The resistance of the module gradually decreases as the humidity on the circuit board increases. As the resistance decreases, its output voltage also decreases relative to the humidity on the module.

The monitoring program is downloaded to the main control board, the chip is called to output digital signals through the A/D converter, and the main controller realizes the conversion from the digital signals to the wind speed data through an algorithm.

The positive pole of the wind speed sensor is connected with an ADC interface of the main controller, the negative pole of the wind speed sensor is connected with GND of the main controller, and in a hardware circuit, the voltage is obtained by potential comparison, so the voltage needs to be monitored after being grounded.

The wind speed sensor is formed by assembling a small direct current brush motor and a three-cup type rotating wind cup, and the working principle of the wind speed sensor is that when horizontal flowing wind exists in the environment, the rotating wind cup can rotate to drive the small motor to generate voltage, and the voltage is basically in direct proportion to the rotating speed. By using the signal voltage, the ambient wind speed can be measured.

The wind speed sensor is a high-precision measurement wind speed sensor.

The monitoring program is downloaded to the main control board, the chip is called to output digital signals through the A/D converter, and the main control board realizes the conversion from the digital signals to the wind speed data through an algorithm and displays the wind speed data on the display screen.

The main controller is connected with the communication module through a serial port circuit.

The communication module is NB-IoT M5311 in model, and the NB-IoT module is commonly used for Internet of things communication and has the characteristics of super large coverage, super strong connection, super low cost and super low power consumption.

The hardware connection connects the RX, TX, VCC, and GND of the USB serial port module CH340, which is matched, with the TX, RX, VCC, and GND modules, respectively, and other pins on the core board may not be connected when not used. Before power-on, a specific SIM card of an M5311 module must be correctly inserted into a card socket, when the M5311 is connected with an MCU serial port, a connection mode of a write terminal pin of an STM32 and a read terminal pin of the M5311 must be a specific reverse connection mode, namely a read terminal RX at one end needs to be connected with a write terminal port TX at the other end, and the write terminal TX at one end needs to be connected with a read terminal port at the other end.

After the NB-IoT module is connected with the MCU, the connection of the NB-IoT module to the cloud platform needs to be controlled through the MCU program, the connection mode is operated through specific instructions, the instructions comprise equipment information reporting, equipment is registered at a communication service provider, a fixed IP and a port of the cloud platform are connected, and equipment registration information is sent.

Example 3, on the basis of example 2, as shown in fig. 6 to 7:

during the use, the hardware part is initialized the system earlier, and communication module pairs with the cloud ware, and rail temperature, axle temperature, rainfall data, wind speed data, foreign matter data are gathered respectively to a plurality of sensors simultaneously to pack a plurality of data and send to the cloud platform through communication module.

The software part initializes the cloud platform, then starts the TOMACH server, checks whether the data is received, continues checking if the data is not received, and displays the data piece through the terminal if the data is received.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.

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