CN212649481U - Emergency radio station for digital train tail locomotive - Google Patents
Emergency radio station for digital train tail locomotive Download PDFInfo
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- CN212649481U CN212649481U CN202021644485.5U CN202021644485U CN212649481U CN 212649481 U CN212649481 U CN 212649481U CN 202021644485 U CN202021644485 U CN 202021644485U CN 212649481 U CN212649481 U CN 212649481U
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
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Abstract
The utility model discloses a digit train tail locomotive emergency radio station. The radio station comprises a switching power supply chip, an ARM processor chip, a storage chip, a digital channel machine, a liquid crystal display screen, a backlight driving chip, an audio power amplifier chip, a loudspeaker and a keyboard; the battery of the digital channel machine supplies power to the equipment, and the switching power supply chip converts the supply voltage; the ARM processor chip is used for controlling and managing the digital channel machine, collecting keyboard key information and receiving and sending column tail data through the digital channel machine; the display of the column tail and the operation information is carried out through the liquid crystal display screen, and backlight drive is provided for the liquid crystal display screen through a backlight drive chip; voice broadcasting is carried out through the audio power amplifier chip and the loudspeaker; storing configuration information and record data through a memory chip; and the digital mode column tail communication and data recording are realized.
Description
Technical Field
The utility model relates to a train afterbody safety protection system, in particular to can replace bimodulus train tail locomotive radio station to carry out the emergent radio station of the digital train tail locomotive of train tail communication with 400MHz digital mode.
Background
The train tail safety protection system is mature and applied to railways in China for many years, and plays an important role in guaranteeing railway driving safety and improving transportation efficiency. At present, a 400MHz digital + GSM-R dual-mode cargo train tail safety protection system is comprehensively popularized in China, has two communication modes of 400MHz digital and GSM-R, and mainly comprises a dual-mode train tail locomotive radio station, a train tail host and auxiliary equipment. When the dual-mode train tail locomotive radio station equipment fails to perform train tail communication due to equipment self problems or other reasons during train operation, the equipment generally needs to be stopped to troubleshoot the failure reasons of the equipment for repairing or replacing the equipment, the installation environment space of the train equipment is narrow, the operation difficulty of the equipment for repairing or replacing the train equipment on the train is high, the consumed time is long, and adverse effects can be generated on the running safety and the transportation efficiency of the railway. In field application, a portable emergency device is needed to replace a dual-mode train tail locomotive radio station to carry out train tail communication when the dual-mode train tail locomotive radio station fails, and train operation can be quickly recovered.
Disclosure of Invention
In view of the problem that prior art exists, can the demand of the communication of the tail of the train of quick recovery when breaking down in order to satisfy the railway driving in-process train tail locomotive radio station, the utility model provides a digital train tail locomotive emergency radio station can replace the bimodulus to be listed as the tail locomotive radio station and carry out the communication of the tail of the train with 400MHz digital mode.
The utility model adopts the technical proposal that: the utility model provides a digit train tail locomotive emergency radio station which characterized in that: the system comprises a switching power supply chip with the model of LM22670, an ARM processor chip with the model of LPC4357, a memory chip with the model of MX66L51 51235F, a digital channel machine with the model of TK-D348R, a liquid crystal display screen with the model of G043FW01, a backlight driving chip with the model of TPS61165, an audio power amplifier chip with the model of SSM3302, a loudspeaker with the model of HBYDT0306-1APZ and a keyboard; the input end of the switch power supply chip is connected with a battery power supply output interface of the digital channel machine, and the output end of the switch power supply chip is connected with a DC 3.3V power supply interface of the equipment; the UART1 interface of the ARM processor chip is connected with a UART1 interface of a digital channel machine, the GPIO interface is connected with a keyboard, the SPI _ FLASH interface is connected with a storage chip, and the display control LCD interface is connected with a data interface of a liquid crystal display screen; the input end of the backlight driving chip is connected with a battery power supply output interface of the digital channel machine, and the output end of the backlight driving chip is connected with a backlight power supply interface of the liquid crystal display screen; the input end of the audio power amplifier chip is connected with the DAC interface of the ARM processor, and the output end of the audio power amplifier chip is connected with the loudspeaker.
The utility model discloses a theory of operation is: the power supply of a digital channel machine battery DC 7.4V is converted into DC 3.3V by a switching power supply chip and then is supplied to equipment; the ARM processor chip controls and manages the digital channel machine through a UART1 interface, transmits the train tail communication data to be transmitted to the digital handheld station channel machine, then wirelessly transmits the train tail communication data through the digital handheld station channel machine, receives the wireless train tail communication data through the digital handheld station channel machine, and transmits the wireless train tail communication data to the ARM processor chip for processing, so that the train tail communication data in a 400MHz digital mode are transmitted and received; the ARM processor chip collects and processes keyboard key information through the GPIO interface, performs data communication with the storage chip through the SPI _ FLASH interface to realize storage and reading of configuration information and recording data, and controls the liquid crystal display screen to display column tail and operation information through the display control LCD interface; the backlight driving chip is used for converting DC 7.4V power supply of a digital channel machine battery into DC 26V power supply to provide backlight driving for the liquid crystal display screen; and the audio power amplifier chip amplifies the audio signals output by the DAC interface of the ARM processor and transmits the amplified audio signals to a loudspeaker for voice broadcasting.
The utility model has the advantages that: the train tail communication method has the advantages that when the train tail locomotive radio station fails in the railway running process, the train tail communication can be carried out in a 400MHz digital mode instead of a dual-mode train tail locomotive radio station, and train running can be quickly recovered.
Drawings
Fig. 1 is a schematic diagram of the circuit principle of the present invention.
Detailed Description
For a clearer understanding of the present invention, reference is made to the following detailed description of the embodiments taken in conjunction with the accompanying drawings.
As shown in fig. 1, a digital train tail locomotive emergency radio station is characterized in that: the system comprises a switching power supply chip with the model number of LM22670, an ARM processor chip with the model number of LPC4357, a storage chip with the model number of MX66L51 51235F, a digital channel machine with the model number of TK-D348R, a liquid crystal display screen with the model number of G043FW01, a backlight driving chip with the model number of TPS61165, an audio power amplifier chip with the model number of SSM3302, a loudspeaker with the model number of HBYDT0306-1APZ and a keyboard.
The input end of the switch power supply chip is connected with a battery power supply output interface of the digital channel machine, and the output end of the switch power supply chip is connected with a DC 3.3V power supply interface of the equipment; the digital channel machine battery DC 7.4V power supply is converted into DC 3.3V power supply through the switching power supply chip, and then the power supply is supplied to the equipment.
The UART1 interface of the ARM processor chip is connected with a UART1 interface of a digital channel machine, the GPIO interface is connected with a keyboard, the SPI _ FLASH interface is connected with a storage chip, and the display control LCD interface is connected with a data interface of a liquid crystal display screen; the ARM processor chip controls and manages the digital channel machine through a UART1 interface, transmits the train tail communication data to be transmitted to the digital handheld station channel machine, then wirelessly transmits the train tail communication data through the digital handheld station channel machine, receives the wireless train tail communication data through the digital handheld station channel machine, and transmits the wireless train tail communication data to the ARM processor chip for processing, so that the train tail communication data in a 400MHz digital mode are transmitted and received; the ARM processor chip acquires and processes keyboard key information through the GPIO interface; the SPI _ FLASH interface is used for carrying out data communication with the storage chip to realize the storage and reading of configuration information and record data; and controlling the liquid crystal display screen to display the column tail and the operation information through the display control LCD interface.
The input end of the backlight driving chip is connected with a battery power supply output interface of the digital channel machine, and the output end of the backlight driving chip is connected with a backlight power supply interface of the liquid crystal display screen; the digital channel machine battery DC 7.4V power supply is converted into DC 26V through the backlight driving chip, and backlight driving is provided for the liquid crystal display screen.
The input end of the audio power amplifier chip is connected with a DAC interface of the ARM processor, and the output end of the audio power amplifier chip is connected with a loudspeaker; and the audio power amplifier chip amplifies the audio signals output by the DAC interface of the ARM processor and transmits the amplified audio signals to a loudspeaker for voice broadcasting.
The utility model discloses a when the bimodulus is listed as tail locomotive radio station and breaks down in the railway driving process, replace bimodulus to be listed as tail locomotive radio station and carry out the train tail communication with 400MHz digital mode, resume the train operation fast.
Claims (1)
1. The utility model provides a digit train tail locomotive emergency radio station which characterized in that: the system comprises a switching power supply chip with the model of LM22670, an ARM processor chip with the model of LPC4357, a memory chip with the model of MX66L51 51235F, a digital channel machine with the model of TK-D348R, a liquid crystal display screen with the model of G043FW01, a backlight driving chip with the model of TPS61165, an audio power amplifier chip with the model of SSM3302, a loudspeaker with the model of HBYDT0306-1APZ and a keyboard; the input end of the switch power supply chip is connected with a battery power supply output interface of the digital channel machine, and the output end of the switch power supply chip is connected with a DC 3.3V power supply interface of the equipment; the UART1 interface of the ARM processor chip is connected with a UART1 interface of a digital channel machine, the GPIO interface is connected with a keyboard, the SPI _ FLASH interface is connected with a storage chip, and the display control LCD interface is connected with a data interface of a liquid crystal display screen; the input end of the backlight driving chip is connected with a battery power supply output interface of the digital channel machine, and the output end of the backlight driving chip is connected with a backlight power supply interface of the liquid crystal display screen; the input end of the audio power amplifier chip is connected with the DAC interface of the ARM processor, and the output end of the audio power amplifier chip is connected with the loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644485.5U CN212649481U (en) | 2020-08-10 | 2020-08-10 | Emergency radio station for digital train tail locomotive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644485.5U CN212649481U (en) | 2020-08-10 | 2020-08-10 | Emergency radio station for digital train tail locomotive |
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| CN212649481U true CN212649481U (en) | 2021-03-02 |
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| CN202021644485.5U Active CN212649481U (en) | 2020-08-10 | 2020-08-10 | Emergency radio station for digital train tail locomotive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817808A (en) * | 2020-08-10 | 2020-10-23 | 天津七一二通信广播股份有限公司 | Digital train tail emergency radio station and implementation method thereof |
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- 2020-08-10 CN CN202021644485.5U patent/CN212649481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817808A (en) * | 2020-08-10 | 2020-10-23 | 天津七一二通信广播股份有限公司 | Digital train tail emergency radio station and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210930 Address after: 300140 No. 185, new great road, Tianjin, Hebei District Patentee after: TIANJIN 712 MOBILE COMMUNICATIONS Co.,Ltd. Address before: 300462 Tianjin Binhai New Area Economic and Technological Development Zone West District North Street 141 Patentee before: TIANJIN 712 COMMUNICATION & BROADCASTING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 300140 No. 185, new great road, Tianjin, Hebei District Patentee after: Tianjin 712 Mobile Communication Co.,Ltd. Country or region after: China Address before: 300140 No. 185, new great road, Tianjin, Hebei District Patentee before: TIANJIN 712 MOBILE COMMUNICATIONS Co.,Ltd. Country or region before: China |