Power system of vehicular interaction device

A technology of power supply system and equipment, applied in the direction of automatic disconnection of emergency protection devices, electrical components, circuit devices, etc., can solve the problems of logical operation errors, operating point parameter errors, heat affecting the working characteristics of components, etc., to achieve good anti-interference. stability, normal and reliable operation, and high voltage regulation accuracy

Inactive Publication Date: 2010-11-24
TOUCH MULTIMEDIA TECH SHANGHAI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

A little high or low voltage will affect the normal operation of electronic components. Excessively high voltage will cause excessive heat to affect the working characteristics of the components. Too low voltage will also cause errors or errors in the parameters of each operating point of the system. Logic operation error, etc.

Method used

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  • Power system of vehicular interaction device
  • Power system of vehicular interaction device

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Embodiment Construction

[0016] See figure 1 As shown, the power supply system of the vehicle-mounted interactive device includes a protection circuit 10 and a voltage stabilizing circuit 20 . Wherein, also comprise monitoring control circuit 30, contactless control switch 40, described protection circuit 10 is connected with voltage stabilizing circuit 20; Voltage stabilizing circuit 20 is connected with monitoring control circuit 30, and this voltage stabilizing circuit 20 is controlled switch through noncontact 40 is also respectively connected with each functional circuit; the monitoring control circuit 30 is connected with the central processing unit 50 .

[0017] Described protection circuit 10 comprises vehicle-mounted surge protection circuit 11 and overvoltage overcurrent protection circuit 12, and 12 volts of DC power are input in the power system through vehicle-mounted surge protection circuit 11; Vehicle-mounted surge protection circuit 11 and overvoltage overcurrent protection circuit C...

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Abstract

The invention relates to a power system of a vehicular interaction device. The power system comprises a protection circuit, a voltage stabilization circuit, a monitoring control circuit and a non-contact control switch, wherein the protection circuit is connected with the voltage stabilization circuit; the voltage stabilization circuit is connected with the monitoring control circuit; the voltage stabilization circuit is also respectively connected with all functional circuits through the non-touch control switch; and the monitoring control circuit is connected with a central processor. The power system of the vehicular interaction device ensures that all the functional circuits have high voltage stabilization precision, avoids the device from being damaged by controlling values of input current and voltage, prevents procedures from generating dead circulation to cause the whole device to be powered off, and has good anti-jamming property.

Description

technical field [0001] The invention relates to a power supply system, in particular to a power supply system of a vehicle-mounted interactive device. Background technique [0002] Nowadays, the popularization speed of vehicle electronic equipment can be described as "amazing", but there is no vehicle power supply system that can well support and cooperate with the use of vehicle electronic equipment. [0003] In the past, when the vehicle power supply system was less and simpler, the requirements for the power supply voltage such as the lighting circuit, wiper circuit, and ignition circuit were generally not too high. For the lighting system, the supply voltage of 11V and 12V is not much. difference. [0004] At present, more and more electronic control systems composed of large-scale integrated circuits, such as a large number of calculation circuits, measurement circuits, comparison circuits, and even data bus circuits, are equipped on modern vehicles. These designs req...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J1/00H02H3/08H02H3/20H02H9/04H02H5/04
Inventor 刘思凯
Owner TOUCH MULTIMEDIA TECH SHANGHAI
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