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Vehicle-mounted walkie-talkie intelligent switch machine control circuit

A technology of switch machine circuit and vehicle-mounted intercom, which is applied in the direction of computer control, program control, electrical program control, etc., and can solve problems such as incompatibility

Inactive Publication Date: 2018-10-16
冯亚玲 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the vehicle-mounted walkie-talkie is not compatible with the start-up of the car ignition and the start-up of the button, and convert the level signal after the car is ignited into a pulse signal similar to a button switch and send it to the power management system and the walkie-talkie system to control the switch of the walkie-talkie

Method used

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  • Vehicle-mounted walkie-talkie intelligent switch machine control circuit
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  • Vehicle-mounted walkie-talkie intelligent switch machine control circuit

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Embodiment Construction

[0011] In order to make the features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0012] Such as figure 1 Shown: The DC / DC power converter converts the output power of the car cigarette lighter to a standard 5V level to supply power to the power management system PMU4 and the switch pulse generation circuit 3; the switch pulse generation circuit 3 converts the 5V level signal into a rising The (falling) edge pulse signal is sent to the power management system PMU4, and the power management system PMU4 does not need to select the type of interrupt request of the power control module 4 through the user operation software as the level interrupt type or the edge interrupt type, and directly adopts the edge interrupt type as the walkie-talkie The system is powered.

[0013] The switch pulse generating circuit 3 also needs to send the ...

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Abstract

The invention provides a vehicle-mounted interphone on-off control method and a circuit structure. An on-off pulse generating circuit is connected with a power management unit (PMU) and an interphone system. The control method and the circuit structure comprise a DC / DC power converter and an ON / OFF pulse generating circuit, wherein the DC / DC power converter is used for providing operating voltage for the power management unit (PMU), and then the power management unit (PMU) provides operating voltage for a vehicle-mounted interphone; and the ON / OFF pulse generating circuit is used for converting power signals outputted by the DC / DC power converter into interphone ON / OFF pulse signals, and the interphone ON / OFF pulse signals are sent to the power management unit (PMU) so as to control on-off of the vehicle-mounted interphone. Meanwhile, the ON / OFF pulse signals are sent to an interphone system so as to carry out data storage before the interphone is turned off.

Description

technical field [0001] The invention relates to a control method and a circuit structure of an intelligent switch system of a vehicle-mounted walkie-talkie. Background technique [0002] The traditional car intercom switch system can only choose one of the key switch mode and the car ignition and shutdown switch mode through software, and cannot combine the two. The specific performance is that if the user chooses the button start mode, then the button and the car are turned off. The walkie-talkie system can be turned off, but if the user chooses to start the car with the ignition on, if he wants to turn off the walkie-talkie, he can only turn off the cigarette lighter by turning off the car, cut off the system power, and turn off the walkie-talkie system. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the vehicle-mounted walkie-talkie is not compatible with the start-up of the car ignition and the start-up of the butto...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
CPCG05B19/04
Inventor 冯亚玲刘俊莉潘翠
Owner 冯亚玲
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