LKJ wheel diameter modifying device

Abstract

The utility model discloses an LKJ wheel diameter modification device which comprises a wheel diameter modification operation terminal, a wheel diameter modification adapter and an LKJ host, the wheel diameter modification operation terminal communicates with the wheel diameter modification adapter through Bluetooth, and the wheel diameter modification adapter communicates with the LKJ host through RS232. The wheel diameter modification operation terminal comprises an MT6765V / C hardware platform, a talkback module, a face recognition module, an acousto-optic reminding module, a BLE5.0 Bluetooth module and a 4G / 5G network module. The MT6765V / C hardware platform is connected with the talkback module, the face recognition module, the acousto-optic reminding module, the BLE5.0 Bluetooth module and the 4G / 5G network module. The wheel diameter modification adapter comprises a power supply circuit, an MCU, a Bluetooth module and a 7-core connector, the power supply circuit provides a DC 5V power supply and a DC 3.3 V power supply, and the MCU is connected with the Bluetooth module and the 7-core connector. According to the utility model, the Bluetooth low-power-consumption technology is adopted, and equipment operation is stable; information is pushed in real time, so that safety risks are avoided; machine control modification and face authentication are carried out, so that the efficiency is improved, and the safety risk is reduced; and the problems of missed modification and wrong modification can be prevented.

Description

Technical Field

[0001] The utility model relates to the field of LKJ equipment, and in particular to an LKJ wheel diameter modification device. Background Art

[0002] As the main monitoring equipment for domestic locomotives, the LKJ2000 train operation monitoring and recording device (hereinafter referred to as LKJ) has been promoted and used throughout the railway for many years, and has played a significant role in ensuring railway transportation safety and promoting locomotive safety management. The LKJ wheel diameter modification operation is an important part of the daily operation of the electric service. The correct LKJ wheel diameter parameters must be ensured to ensure the safe operation of the LKJ equipment and the safety of railway driving. At present, the following problems exist in the LKJ wheel diameter modification process:

[0003] 1. Low work efficiency: Since the modification is done manually, press the "Set" button on the LKJ display, select "1 Maintenance", enter the maintenance password to enter the maintenance parameter modification interface, and the operator manually enters the value to modify the wheel diameter, which results in low work efficiency.

[0004] 2. High error rate: Due to manual input of numerical values ​​for modification, excessive intervention of human factors leads to errors such as misoperation and misinput, which affects the correctness of LKJ wheel diameter modification.

[0005] 3. Missed or incorrect changes: Due to the manual issuance of wheel diameter modification notifications, it is inevitable that they are not issued in a timely manner, information is not transmitted smoothly, and wheel diameter modification is missed. Operators have poor visibility at night and make wheel diameter modification operations on the wrong locomotive. Accidents of incorrectly changing the wheel diameter of the locomotive often occur.

[0006] Therefore, there is an urgent need for an LKJ wheel diameter modification device to solve the problems of low manual modification efficiency, high error rate, missed modification, and wrong modification of locomotive wheel diameter during the LKJ wheel diameter modification operation by electrical operators. Summary of the invention

[0007] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a LKJ wheel diameter modification device, which realizes the machine-controlled modification of the LKJ wheel diameter modification operation, improves the work efficiency of the wheel diameter modification, and reduces the error rate of the wheel diameter modification.

[0008] The technical solution of the present utility model is as follows: It includes a wheel diameter modification operation terminal, a wheel diameter modification adapter, and an LKJ host. The wheel diameter modification operation terminal communicates with the wheel diameter modification adapter via Bluetooth, and the wheel diameter modification adapter communicates with the LKJ host via RS232. The LKJ wheel diameter modification operation terminal includes an MT6765V / C hardware platform, an intercom module, a face recognition module, an acoustic-optic reminder module, a BLE5.0 Bluetooth module, and a 4G / 5G network module. The MT6765V / C hardware platform is respectively connected to the intercom module, the face recognition module, the acoustic-optic reminder module, the BLE5.0 Bluetooth module, and the 4G / 5G network module;

[0009] The wheel diameter modification adapter includes a power supply circuit, an MCU, a Bluetooth module, and a 7-core connector. The power supply circuit is used to provide DC5V and DC3.3V power supplies. The MCU is respectively connected to the Bluetooth module and the 7-core connector.

[0010] The present utility model has the following beneficial effects: 1. The LKJ wheel diameter modification adapter adopts Bluetooth low-power technology, with a receiving sensitivity of -96dBm and a programmable transmission power of +5dBm. At a transmission power of 3dBm, the wireless communication distance is about 240 meters, ensuring the stable and reliable operation of the device;

[0011] 2. The system real-time pushes the wheel diameter modification information to the LKJ wheel diameter modification operation terminal, and gives acoustic-optic prompts to the operators to perform the wheel diameter modification operation in a timely manner, avoiding the safety risks caused by untimely operation, missed modification, and lag in wheel diameter modification;

[0012] 3. It changes the operation mode of wheel diameter modification, changes the manual modification mode to a machine-controlled modification mode, performs face real-name authentication on the key steps of wheel diameter modification, ensures the safety authentication of wheel diameter modification operation permissions, and interacts with the workshop review personnel in real time through the intercom for the results of wheel diameter modification, improving the work efficiency of wheel diameter modification and reducing the safety risks caused by manual control;

[0013] 4. It has taken safety precautions against the problems of missed modification and wrong modification encountered by the signal workers during the LKJ wheel diameter modification operation, avoiding the occurrence of production accidents. Description of the Drawings

[0014] Figure 1 is the overall structure diagram of the present utility model;

[0015] Figure 2 is the structure diagram of the LKJ wheel diameter modification adapter of the present utility model.

[0016] Figure 3 is the structure diagram of the LKJ wheel diameter modification operation terminal of the present utility model.

[0017] Figure 4This is the schematic diagram of the power supply circuit of the present utility model.

[0018] Figure 5 This is the schematic diagram of the MCU of the present utility model.

[0019] Figure 6 This is the schematic diagram of the Bluetooth module of the present utility model. Detailed implementation manners

[0020] Regarding the foregoing and other technical contents, features and effects of the present utility model, they will be clearly presented in the following detailed description of the embodiments in conjunction with the attached Figures 1 to 6 In the detailed description of the embodiments below, the structural contents mentioned in the following embodiments are all referenced to the accompanying drawings of the specification.

[0021] The exemplary embodiments of the present utility model will be described below with reference to the drawings.

[0022] Embodiment 1, an LKJ wheel diameter modification device, comprising: a wheel diameter modification operation terminal, a wheel diameter modification adapter, and an LKJ host. The wheel diameter modification operation terminal receives the wheel diameter modification operation pushed by the wheel diameter modification control software, communicates with the wheel diameter modification adapter via Bluetooth, and the wheel diameter modification adapter communicates with the LKJ host via RS232. The LKJ wheel diameter modification operation terminal includes an MT6765V / C hardware platform, an intercom module, a face recognition module, an audible and visual reminder module, a BLE5.0 Bluetooth module, and a 4G / 5G network module. The MT6765V / C hardware platform integrates an IMG PowerVR GE8320 GPU, supports basic graphics processing requirements, supports LPDDR3 and LPDDR4x memories, has a maximum support of 6GB RAM, has a built-in image signal processor (ISP), supports a single camera of up to 25MP or a dual camera configuration of 13MP + 8MP, supports communication connection options such as 4G LTE, Wi-Fi 5, and Bluetooth 5.0, configures a BLE5.0 Bluetooth module and a 4G / 5G network module, and communicates with the wheel diameter modification adapter via Bluetooth, providing a hardware platform support for the implementation of the wheel diameter modification operation terminal program. The MT6765V / C hardware platform is connected to the intercom module, and the intercom module supports DMR / U-segment digital and analog dual-slot hardware intercom. Different intercom frequency bands and channels are set for real-time intercom to interact with the workshop review personnel in real time about the results of the wheel diameter modification;

[0023] The MT6765V / C hardware platform is connected to the face recognition module. The operator uses a front camera of 16 million + a main camera of 48 million + a 13 million night vision camera to collect face pictures for real-time face recognition, and conducts face real-name authentication for the key steps of the wheel diameter modification to ensure the security authentication of the wheel diameter modification operation authority;

[0024] The MT6765V / C hardware platform is connected to the sound and light reminder module to obtain operation information, review alarm information, and make classified reminders. It calls the iFlytek voice recognition module to make voice broadcasts and calls the flash module to make high-frequency flashes to remind operators.

[0025] The wheel diameter modification adapter is designed for the LKJ wheel diameter modification function, integrates a Bluetooth communication module, has Bluetooth communication capability, provides a channel for the LKJ wheel diameter modification operation terminal to communicate with the LKJ host, is directly connected to the LKJ host through an RS232 plug, sends wheel diameter modification information instructions to the LKJ host, and completes the wheel diameter modification operation. It includes a power supply circuit, an MCU, a Bluetooth module, and a 7-core connector. The power supply circuit is used to provide DC5V and DC3.3V power supplies. The MCU is respectively connected to the Bluetooth module and the 7-core connector, and the manual modification method is changed to a machine-controlled modification method. For the key steps of wheel diameter modification, face real-name authentication is performed to ensure the security authentication of wheel diameter modification operation permissions. The results of wheel diameter modification are interacted with workshop auditors in real time through intercom, which improves the work efficiency of wheel diameter modification and reduces the safety risks caused by human control.

[0026] Embodiment 2, based on embodiment 1, the power supply circuit adopts the power conversion chip SQ76403QHQ, which is a synchronous step-down DC / DC converter, outputs DC5V to power the 7-pin connector, and outputs DC3.3V to power the MCU and Bluetooth module;

[0027] The MCU adopts the GD32F310 chip to control the main control circuit. The LKJ wheel diameter modification adapter obtains the LKJ wheel diameter modification data through the RS232 serial port. The LKJ wheel diameter modification operation terminal establishes a wireless connection channel with the LKJ wheel diameter modification adapter through the Bluetooth module to perform data interaction.

[0028] The Bluetooth module adopts the domestically produced CH573 chip of Qinheng, which adopts the Qingke RISC-V processor, integrates a 2.4GHz RF transceiver and a low-power BLE5.0 Bluetooth module with baseband and link control on the chip, provides an optimized protocol stack and application layer API, supports networking, and the Bluetooth module antenna adopts a π-type filter circuit designed on a printed circuit board;

[0029] The 7-pin connector is a UART bus interface used in conjunction with the 7-pin aviation plug of the host monitoring board, and transient voltage suppression protection is added to ensure long-term stable plugging and unplugging of the interface.

[0030] When the utility model is specifically used, the LKJ wheel diameter modification operation terminal includes an MT6765V / C hardware platform, an intercom module, a face recognition module, an acoustic-optic reminder module, a BLE5.0 Bluetooth module, and a 4G / 5G network module. The MT6765V / C hardware platform is configured with a BLE5.0 Bluetooth module and a 4G / 5G network module, communicates with the wheel diameter modification adapter through Bluetooth, and the MT6765V / C hardware platform is connected to the intercom module. The intercom module supports DMR / U-segment digital and analog dual-slot hardware intercom, sets different intercom frequency bands and channels, conducts real-time intercom, and interacts with the workshop audit personnel in real time on the results of the wheel diameter modification;

[0031] The MT6765V / C hardware platform is connected to the face recognition module. The operator uses a front camera of 16 million pixels + a main camera of 48 million pixels + a 13 million pixel night vision camera to collect face pictures, conduct real-time face recognition, conduct face real-name authentication for the key steps of wheel diameter modification, and ensure the security authentication of the wheel diameter modification operation authority;

[0032] The MT6765V / C hardware platform is connected to the acoustic-optic reminder module to obtain operation information, review alarm information, conduct classified reminders, call the iFlytek speech recognition module for voice broadcast, and call the flash module for high-frequency flash to strongly remind the operator;

[0033] The wheel diameter modification adapter integrates a Bluetooth communication module, provides a communication channel between the LKJ wheel diameter modification operation terminal and the LKJ host, is directly connected to the LKJ host through an RS232 plug, sends a wheel diameter modification information instruction to the LKJ host, and completes the wheel diameter modification operation, including a power supply circuit, an MCU, a Bluetooth module, and a 7-core connector. Among them, the power supply circuit uses a power conversion chip SQ76403QHQ to output DC5V to supply power to the 7-core connector and output DC3.3V to supply power to the MCU and the Bluetooth module;

[0034] The MCU uses a GD32F310 chip. The LKJ wheel diameter modification adapter obtains the LKJ wheel diameter modification data through the RS232 serial port. The LKJ wheel diameter modification operation terminal establishes a wireless connection channel with the LKJ wheel diameter modification adapter through the Bluetooth module for data interaction;

[0035] The antenna of the Bluetooth module uses a π-type filter circuit and is designed on the printed circuit board;

[0036] The 7-core connector is a UART bus interface that matches the 7-core aviation plug of the host monitoring board, and transient voltage suppression protection is added to ensure long-term stable plugging and unplugging of the interface,

[0037] In summary, the above are only the preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An LKJ wheel diameter modification device, comprising: Wheel diameter modification operation terminal, wheel diameter modification adapter, LKJ host. The wheel diameter modification operation terminal communicates with the wheel diameter modification adapter via Bluetooth, and the wheel diameter modification adapter communicates with the LKJ host via RS232. It is characterized in that the wheel diameter modification operation terminal includes an MT6765V / C hardware platform, an intercom module, a face recognition module, an acoustic and optical reminder module, a BLE5.0 Bluetooth module, and a 4G / 5G network module. The MT6765V / C hardware platform is respectively connected to the intercom module, the face recognition module, the acoustic and optical reminder module, the BLE5.0 Bluetooth module, and the 4G / 5G network module; The wheel diameter modification adapter includes a power supply circuit, an MCU, a Bluetooth module, and a 7-core connector. The power supply circuit is used to provide DC5V and DC3.3V power supplies, and the MCU is respectively connected to the Bluetooth module and the 7-core connector.

2. The LKJ wheel diameter modification device according to claim 1, characterized in that: The power supply circuit uses a power conversion chip SQ76403QHQ; The MCU uses a GD32F310 chip; The Bluetooth module uses a RISC-V processor.

3. The LKJ wheel diameter modification device according to claim 1, characterized in that: The intercom module supports DMR / U-band digital and analog dual-slot hardware intercom; The face recognition module uses a front camera of 16 million pixels + a main camera of 48 million pixels + a 13 million pixel night vision camera; The acoustic and optical reminder module calls the iFlytek speech recognition module for voice broadcast, and calls the flash module to perform high-frequency flash strong reminder to the operating personnel.

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