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Vehicle remote input and output module power supply device

A technology of input and output modules and power supply devices, which is applied in the field of rail transit and can solve problems such as module damage and power board failure to supply power normally.

Pending Publication Date: 2020-07-07
YUANRANG IND SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the actual maintenance process, it was found that the failure of the remote input and output module ROIM T35 of the vehicle mainly occurred in the power board, and the power board could not supply power normally, resulting in damage to the entire module

Method used

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  • Vehicle remote input and output module power supply device
  • Vehicle remote input and output module power supply device
  • Vehicle remote input and output module power supply device

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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0026] A vehicle remote input and output module power supply device, such as figure 1 shown, including:

[0027] Booster circuit 2, the input terminal is connected to the train power supply, and is used to convert the train DC 110V to DC 160V. This application is to improve this part, so it will not be described again;

[0028] Transformer circuit 3, the input end of which is connected to the output end of booster circuit 2, is used to convert DC 160V to DC 15V and AC 15V respectively. This application is to improve this part, so it will not be described again;

[0029] The drive ci...

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PUM

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Abstract

The invention relates to a vehicle remote input and output module power supply device, which comprises a boosted circuit, a voltage transformation circuit, a driving circuit, a detection circuit and astarting voltage circuit, wherein the detection circuit comprises a first voltage division circuit and an operational amplifier, the voltage division circuit comprises a voltage division resistor anda second voltage division resistor, the first voltage division resistor is a high-voltage color ring resistor, the two ends of the first voltage division resistor are connected with the output end ofthe boosted circuit and one end of the second voltage division resistor respectively, the other end of the second voltage division resistor is grounded, and the voltage division output end of the voltage division circuit is connected to the input end of the operational amplifier. Compared with the prior art, the voltage division circuit and the operational amplifier are used for achieving outputof control signals, the first voltage division resistor is a metal film glass glaze high-voltage color ring resistor, the property is stable, and the resistance value cannot be changed under the high-voltage condition, so that the stability of voltage division output is achieved, the power module is enabled to work stably, and the fault rate is reduced.

Description

technical field [0001] The invention relates to the field of rail transportation, in particular to a vehicle remote input and output module power supply device. Background technique [0002] The main function of ROIM T35, a remote input and output module for rail transit vehicles, is similar to that of an intelligent transceiver. It collects information from various systems of the vehicle (including traction, brakes, doors, etc.), and then forwards the information to the train information management system (TIMS) after processing. main control unit. The RIOM T35 module consists of 11 circuit boards, which are power supply board, CPU board, FIP communication board, 485 communication board, I / O control board, I / O output board, and I / O input board. The boards are connected by bottom cables to form the whole module. During the actual maintenance process, it was found that the failure of the remote input and output module ROIM T35 of the vehicle mainly occurred in the power boa...

Claims

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Application Information

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IPC IPC(8): H02M3/155
CPCH02M3/155
Inventor 周倩巫世鹏徐翔王力
Owner YUANRANG IND SHANGHAI
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