ARM (Advanced RISC Machines) acquisition and processing board of railway wagon loading state monitoring system

Abstract

The utility model relates to an ARM (Advanced RISC Machines) acquisition processing board of a railway freight car loading state monitoring system, which comprises an interface unit, an ARM chip, a memory, a wireless communication module and a power supply module, the ARM chip is connected with a camera through the interface unit, the ARM chip is in communication connection with the memory, and the wireless communication module is connected with the interface unit. The ARM chip is in communication connection with the wireless communication module; the ARM chip is connected with the wireless communication module through an SPI serial port. The interface unit comprises one or a combination of a USB interface and an RS232 interface; the ARM chip is in communication connection with the interface unit through a UART serial port. According to the utility model, the interface unit is combined with the ARM chip and the memory to provide a hardware basis for video signal acquisition, and wireless communication with an upper computer is realized through the wireless communication module.

Description

Technical Field

[0001] The utility model relates to the technical field of railway transportation monitoring, in particular to an ARM acquisition processing board of a railway freight car loading status monitoring system. Background Art

[0002] After loading, freight trains need to detect and record the loading status of freight trains to avoid overloading of freight trains and causing transportation accidents. The existing recording method is to use multiple cameras to shoot the cargo loading information of freight trains. The cameras send the captured video signals to the host computer, and the staff view the on-site monitoring on the host computer. Due to the large number of freight trains and the fact that the cameras are generally fixed on a gantry or a pan-tilt head, there are many and long cables between the cameras and the host computer, which is very inconvenient during installation and maintenance.

[0003] With the development of wireless communication technology, the use of wireless communication will reduce the use of cables and facilitate maintenance. Summary of the invention

[0004] In order to solve the problem of inconvenient maintenance of the cable connection between the camera and the host computer in the operation of recording the loading status of freight trains, the utility model proposes an ARM acquisition processing board of a railway freight car loading status monitoring system, an interface unit is arranged to combine the ARM chip and the memory to provide a hardware basis for the acquisition of video signals, and then wireless communication with the host computer is carried out through a wireless communication module.

[0005] In order to achieve the above-mentioned purpose, an ARM acquisition and processing board of a railway freight car loading status monitoring system is characterized in that it includes an interface unit, an ARM chip, a memory, a wireless communication module and a power module, the ARM chip is connected to a camera through the interface unit, the ARM chip is communicatively connected to the memory, and the ARM chip is communicatively connected to the wireless communication module;

[0006] The wireless communication module includes one or more combinations of a WIFI module, a Bluetooth module, a Zigbee module and a LoRa module;

[0007] The ARM chip is connected to the wireless communication module via the SPI serial port;

[0008] The interface unit includes one or more combinations of a USB interface and an RS232 interface;

[0009] The ARM chip is connected to the interface unit via UART serial port communication.

[0010] Furthermore, the power module includes a battery and a voltage conversion circuit, the output end of the battery is connected to the voltage conversion circuit, and the output end of the voltage conversion circuit is respectively connected to the ARM chip, the memory and the wireless communication module.

[0011] A battery is set to power the hardware circuit. In order to meet the needs of the hardware circuit, a voltage conversion circuit is set. The voltage conversion circuit outputs DC5V and DC3.3V current.

[0012] Furthermore, the battery is connected to a solar charging module, which includes a solar panel and a charging chip. The input end of the charging chip is connected to the solar panel, and the output end of the charging chip is connected to the battery.

[0013] Setting up a solar charging module makes it easier for the hardware circuit to work independently without drawing power from electrical wires, thus facilitating installation and layout.

[0014] Furthermore, the solar panel is provided with a bracket, which is a quadrangular prism structure with a trapezoidal cross-section and a hollow interior. The solar panel is fixed on the inclined surface of the bracket, and an ARM chip, memory, wireless communication module and power module are arranged inside the bracket.

[0015] Set up the bracket to ensure that the solar panel can receive light.

[0016] Furthermore, connecting plates are provided on both sides of the bracket, the connecting plates are square plates, and bolt holes are provided on the connecting plates;

[0017] The bottom of the bracket is provided with a long strip-shaped heat dissipation hole.

[0018] The bracket is used as the shell of the hardware circuit to protect the ARM chip, memory, wireless communication module and power module, and heat dissipation holes are provided to facilitate heat dissipation of the hardware circuit.

[0019] Through the above technical solution, the beneficial effects of the utility model are:

[0020] The utility model realizes the acquisition of video signals and the wireless transmission of video signals. An interface unit, an ARM chip, a memory, a wireless communication module and a power supply module are set, and the ARM chip is used as a controller. The ARM chip communicates with the camera through the interface unit to receive the video signal of the camera. The memory occupied by the video information is relatively large. The ARM chip is connected to the memory for communication. The memory is set to ensure that the video information can be stored. The ARM chip is connected to the wireless communication module for communication, and the hardware foundation is provided for the ARM chip to perform remote wireless transmission of the video information stored in the memory. The wireless communication module includes one or more combinations of a WIFI module, a Bluetooth module, a Zigbee module and a LoRa module, and the interface unit includes one or more combinations of a USB interface and an RS232 interface. The hardware circuit as a whole adopts an embedded system design, and the circuit wiring is simple and the circuit maintenance is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1This is an electrical schematic diagram of an ARM acquisition and processing board of a railway freight car loading status monitoring system of the utility model;

[0022] Figure 2 The utility model is a structural schematic diagram of an ARM acquisition and processing board of a railway freight car loading status monitoring system.

[0023] Figure numbers: 1 is an interface unit, 2 is an ARM chip, 3 is a memory, 4 is a wireless communication module, 501 is a battery, 502 is a voltage conversion circuit, 6 is a solar panel, 7 is a charging chip, 8 is a bracket, 9 is a connecting plate, and 10 is a heat dissipation hole. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0025] Example 1

[0026] like Figure 1~2 As shown, an ARM acquisition processing board of a railway freight car loading status monitoring system includes an interface unit 1, an ARM chip 2, a memory 3, a wireless communication module 4 and a power module. The ARM chip 2 is connected to a camera through the interface unit 1, the ARM chip 2 is communicatively connected to the memory 3, and the ARM chip 2 is communicatively connected to the wireless communication module 4;

[0027] The wireless communication module 4 includes one or more combinations of a WIFI module, a Bluetooth module, a Zigbee module and a LoRa module;

[0028] The ARM chip 2 is connected to the wireless communication module 4 via the SPI serial port;

[0029] The interface unit 1 includes one or more combinations of a USB interface and an RS232 interface;

[0030] The ARM chip 2 is connected to the interface unit 1 via UART serial port communication.

[0031] The power module includes a battery 501 and a voltage conversion circuit 502. The output end of the battery 501 is connected to the voltage conversion circuit 502. The output end of the voltage conversion circuit 502 is respectively connected to the ARM chip 2, the memory 3 and the wireless communication module 4.

[0032] The battery 501 is connected to a solar charging module, which includes a solar panel 6 and a charging chip 7 . The input end of the charging chip 7 is connected to the solar panel 6 , and the output end of the charging chip 7 is connected to the battery 501 .

[0033] The solar panel 6 is provided with a bracket 8, which is a quadrangular prism structure with a trapezoidal cross-section and a hollow interior. The solar panel 6 is fixedly arranged on the inclined surface of the bracket 8, and an ARM chip 2, a memory 3, a wireless communication module 4 and a power module are arranged inside the bracket 8.

[0034] Connecting plates 9 are provided on both sides of the bracket 8. The connecting plates 9 are square plates with bolt holes.

[0035] A long heat dissipation hole 10 is formed at the bottom of the bracket 8 .

[0036] In this embodiment, the ARM chip 2 uses the Spartan6 series chip XC6SLX45 of Xilinx, the memory 3 uses the 4 Gbit DDR3-SDRAM memory chip MT41J256M16HA-125 of Micron, the wireless communication module 4 uses the WIFI module, specifically the WGM110 chip, the voltage conversion circuit 502 is the TPS54331DR chip, the charging chip 7 is the BQ24210 chip, and the interface unit 1 uses the RS232 interface.

[0037] During installation, the bracket 8 is installed close to the camera, the camera is installed on the upper end of the gantry, the bracket 8 is fixed to the gantry by bolts and connecting plates 9, and the inclined surface of the bracket 8 faces outward so that the solar panel 6 can be exposed to light.

[0038] The solar panel 6 converts light energy into electrical energy which is used by the charging chip 7 to charge the battery 501 . The battery 501 outputs a DC12V current which is converted into DC5V and DC3.3V by the voltage conversion circuit 502 to power the hardware circuit.

[0039] During operation, the camera shoots a video of a freight train loading goods, and the camera transmits the video information to the ARM chip 2 through the interface unit 1, and then transfers it to the memory 3. The ARM chip 2 is connected to the memory 3 for communication, and the ARM chip 2 transmits the video information remotely wirelessly through the WIFI module.

[0040] Set up the WIFI module on the host computer to complete the reception of video information.

[0041] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. An ARM acquisition and processing board for a railway freight car loading status monitoring system, characterized in that: It comprises an interface unit (1), an ARM chip (2), a memory (3), a wireless communication module (4) and a power supply module, wherein the ARM chip (2) is connected to a camera via the interface unit (1), the ARM chip (2) is communicatively connected to the memory (3), and the ARM chip (2) is communicatively connected to the wireless communication module (4); The wireless communication module (4) comprises one or more combinations of a WIFI module, a Bluetooth module, a Zigbee module and a LoRa module; The ARM chip (2) is connected to the wireless communication module (4) via the SPI serial port; The interface unit (1) comprises one or more combinations of a USB interface and an RS232 interface; The ARM chip (2) is connected to the interface unit (1) via UART serial port communication.

2. The ARM acquisition and processing board of a railway freight car loading status monitoring system according to claim 1 is characterized in that: The power module comprises a battery (501) and a voltage conversion circuit (502), the output end of the battery (501) is connected to the voltage conversion circuit (502), and the output end of the voltage conversion circuit (502) is respectively connected to an ARM chip (2), a memory (3), and a wireless communication module (4).

3. The ARM acquisition and processing board of the railway freight car loading status monitoring system according to claim 2 is characterized in that: The battery (501) is connected to a solar charging module, the solar charging module comprising a solar panel (6) and a charging chip (7), the input end of the charging chip (7) being connected to the solar panel (6), and the output end of the charging chip (7) being connected to the battery (501).

4. The ARM acquisition and processing board of the railway freight car loading status monitoring system according to claim 3 is characterized in that: The solar panel (6) is provided with a bracket (8), the bracket (8) being a quadrangular prism structure with a trapezoidal cross section and a hollow interior, the solar panel (6) being fixedly arranged on an inclined surface of the bracket (8), and an ARM chip (2), a memory (3), a wireless communication module (4) and a power module being arranged inside the bracket (8).

5. The ARM acquisition and processing board of the railway freight car loading status monitoring system according to claim 4 is characterized in that: Connecting plates (9) are provided on both sides of the bracket (8), the connecting plates (9) are square plates, and bolt holes are provided on the connecting plates (9); A long strip-shaped heat dissipation hole (10) is provided at the bottom of the bracket (8).

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