Vehicle-mounted double-redundancy display

A display, dual-redundancy technology, applied in the direction of instrumentation, cooling/ventilation/heating transformation, electrical components, etc., can solve the problems of driving information affecting normal driving, high board failure rate, etc., to achieve high reliability, reduce connectors, The effect of shortening the length

Inactive Publication Date: 2014-06-25
HENAN THINKER AUTOMATIC EQUIP CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] With the development of technology and the continuous improvement of requirements, the reliability performance of the current vehicle display has been difficult to meet the requirements of on-site use, mainly in the following aspects: the vehicle display adopts a single-mode structure. When the display fails, t

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  • Vehicle-mounted double-redundancy display

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Embodiment Construction

[0026] Such as figure 1 As shown, the vehicle-mounted dual redundant display mainly realizes the human-computer interaction function of the train operation monitoring device (LKJ), and the installation size remains consistent with the existing LKJ screen display. In the event of a failure, the switch can be manually switched to the standby screen display to keep the locomotive running. Specifically: a vehicle-mounted dual redundant display, which is composed of two sets of independent display units, and each set of display units is powered by its own power supply; and each set of display units includes a control module and a driver connected to the control module modules, communication modules, photoelectric isolation modules, display screens and keys.

[0027] Among them, the power module is responsible for isolating and converting the 110V power supply of the locomotive, and providing power for each module circuit of the unit; the driving module mainly provides speakers, LC...

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Abstract

The invention discloses a vehicle-mounted double-redundancy display which is composed of two sets of independent display units. Each display unit is powered by a respective power source and comprises a control module, a driving module, a communication module, a photoelectric isolating module, a display screen and buttons, and each driving module, the corresponding communication module, the corresponding photoelectric isolating module, the corresponding display screen and the corresponding buttons are connected with the corresponding control module. Compared with existing displays, the vehicle-mounted double-redundancy display has the advantages that double-redundancy architecture is adopted, a main display and a standby display are completely independent physically, and running of a locomotive can be maintained by switching to the standby display through a manual switching switch when the main display is in a failure; original mounting size is unchanged; an externally-connected socket with a printed board directly welded is adopted, so that connecting members are reduced, length of each connecting member is shortened, and reliability of the connecting members is improved; a mode of direct-conducting heat radiating is adopted, a shell is directly used for heat radiating, and heat generated by a CPU (central processing unit) and a power source is enabled not to gather in a cabinet, so that thermostability of a system is improved.

Description

technical field [0001] The invention relates to a display applied to a train running monitoring device (LKJ). Background technique [0002] The train operation monitoring device (LKJ) is an important part of China's train operation control system. It is an important safety device for preventing trains from rushing into the signal, overspeeding and assisting locomotive drivers (including EMU drivers) to improve their maneuverability. The on-board display is an important part of the train operation monitoring device (LKJ). It is a human-computer interaction interface for directly communicating information with the crew. It mainly completes the display of comprehensive information such as graphics, curves and related data, parameter input, voice prompts, sound and light Alarm and other functions, the reliability of the on-board display directly affects the operation of the train operation monitoring device (LKJ), which is an important guarantee for traffic safety monitoring. ...

Claims

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Application Information

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IPC IPC(8): G09F9/35H05K7/20H01H13/702H01H13/52
Inventor 张子健高亚举张世凯王留锋李木林
Owner HENAN THINKER AUTOMATIC EQUIP CO LTD
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