Electronic turning warning squealer-flash for automobile

A technology for automotive electronics and flashers, which is applied in the directions of sound signal devices, optical signals, vehicle components, etc., can solve the problems of low reliability, easy sparks of flashers, etc., and achieves low cost, simple structure, and improved reliability. Effect

Inactive Publication Date: 2007-06-27
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects of easy sparking and low reliability of the traditional automo...

Method used

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  • Electronic turning warning squealer-flash for automobile
  • Electronic turning warning squealer-flash for automobile

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0007] Specific embodiment one: the present embodiment will be specifically described below in conjunction with Fig. 1 and Fig. 2. This embodiment is composed of a timer 1, a VMOS tube switch 2, a click sound generator 4, a turn switch 5 and a display lamp group 7. The timing The output terminal of the device 1 is connected to the gate of the VMOS tube switch 2, the source of the VMOS tube switch 2 is connected to the moving end contact of the steering switch 5, and the drain of the VMOS tube switch 2 is connected to the input terminal of the click generator 4, and the steering The static end contact of the switch 5 is connected to one end of the display lamp group 7, and the other end of the display lamp group 7 is connected to the power supply V. After power on, the timer generates a timing signal to drive the VMOS tube switch at regular intervals, and the VMOS tube switch controls the flickering of the lamp. At the same time, the click sound generator generates the frequency...

specific Embodiment approach 2

[0008] Specific embodiment two: The present embodiment will be specifically described below in conjunction with FIG. 2. The difference between this embodiment and the specific embodiment one is that the timer 1 is composed of a first resistor R1, a second resistor R2, a third resistor R3, and a fourth resistor R4. , the fifth resistor R5, the sixth resistor R6, the first capacitor C1, the first transistor T1, the second transistor T2 and the third transistor T3, one end of the first resistor R1 is connected to the base of the first transistor T1, the second The other end of a resistor R1 is connected to one end of the sixth resistor R6, the collector of the third transistor T3 and the gate of the VMOS transistor switch 2, and the collector of the first transistor T1 is connected to one end of the second resistor R2 and the gate of the third resistor R3. One end is connected to one end of the first capacitor C1, the emitter of the first transistor T1 is connected to the ground, ...

specific Embodiment approach 3

[0009] Specific embodiment three: the present embodiment will be described in detail below in conjunction with FIG. Resistor R10, eleventh resistor R11, twelfth resistor R12, thirteenth resistor R13, fourteenth resistor R14, second capacitor C2, third capacitor C3, fourth capacitor C4, fifth capacitor C5, fourth transistor T4, the fifth transistor T5, the sixth transistor T6, the seventh transistor T7, the first diode D1, the second diode D2 and the buzzer M, one end of the second capacitor C2 is connected to the VMOS transistor switch 2, the other end of the second capacitor C2 is connected to one end of the seventh resistor R7 and the base of the fourth transistor T4, and the other end of the seventh resistor R7 is connected to one end of the tenth resistor R10 and the collector of the fifth transistor T5 and the cathode of the second diode D2, the collector of the fourth transistor T4 is connected to one end of the eighth resistor R8 and one end of the third capacitor C3, t...

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Abstract

The electronic turning warning squealer flash for automobile as one automobile turning device includes one turning switch and one display lamp combination, as well as one timer, one VMOS switch and one squealer. The present invention has the outstanding features of no circuit contact, no relay, full electronic implementation, high system reliability, specific electronic circuit to generate timing signal, capacity of simulating sound of relay, automatic restoring short-circuit protector, and capacity suitable for different kinds of vehicular power source.

Description

technical field [0001] The invention relates to an automobile steering flashing device. Background technique [0002] The car turn signal flasher is a control device used to control the car turn signal, so that the car turn signal can achieve the flashing effect of timing light and dark changes. The traditional car turn signal flasher is controlled by a relay, and the timing is carried out through the cooperation of the capacitance and resistance of its peripheral circuit. There are some inherent shortcomings of relays, such as sparking, low reliability and so on. Contents of the invention [0003] In order to overcome the defects of easy sparking and low reliability of the traditional automotive turn signal flasher, the invention provides an automotive electronic turn warning sound flasher. [0004] The present invention includes a steering switch and a display lamp group, and it also includes a timer, a VMOS tube switch, and a click sound generator. The moving end con...

Claims

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Application Information

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IPC IPC(8): B60Q1/38B60Q5/00
Inventor 崔刚周连科杨孝宗刘宏伟左德承吴智博董剑舒燕君向琳苗百利张展罗丹彦温东新王玲陈亮于付真
Owner HARBIN INST OF TECH
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