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Sound-increasing klaxon conversion device for car

A technology of electric horns and resistors, applied in electrical components, transducer circuits, sensors, etc., can solve the problems of pedestrians who are easily frightened, electric horns are harsh, and heart disease is extremely harmful

Inactive Publication Date: 2018-08-31
周玉林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The typical working mode of electric horns in common cars, when the electric horn is in use, the full voltage is applied, and the electric horn immediately emits a particularly harsh sound, especially when passers-by on the road are not paying attention, they are very easy to be frightened, especially for patients. Pedestrians with heart disease are at great risk

Method used

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  • Sound-increasing klaxon conversion device for car

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Embodiment Construction

[0014] According to attached figure 1 The working schematic diagram and accompanying drawings of the circuit of the gradually sounding electric horn conversion device shown in the car, and according to the connection relationship between the components in each part of the circuit described in the summary of the invention, as well as the technical parameter requirements and specifications of the components described in the implementation mode The main points of making the circuit can be implemented to realize the present invention, and the related technologies of the present invention will be further described below in conjunction with the embodiments.

[0015] Technical parameters of components and their selection requirements

[0016] BG1 is an NPN transistor, the selected model is 2SC9013;

[0017] BG2 is an N-channel enhanced field effect transistor, its model is IRFZ34, and a radiator must be installed during installation;

[0018] The resistance value of the current lim...

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Abstract

The invention provides a sound-increasing klaxon conversion device for a car. The conversion device is characterized by comprising a 16-24V DC power supply, a starting and slow-charging circuit, a power slow-promoting circuit, and a klaxon power driving circuit. In the classical working mode of the common car klaxon, all voltages are exerted on the klaxon in the use instant, the klaxon immediatelymakes the especially harsh sound, the people passing by can be easily scared in the absence of attention, the damage on the pedestrian suffered from heart disease is great. Through the klaxon conversion device provided by the invention, when the power of the car klaxon is switched on, the klaxon gradually makes the whistle from low to loud, the whistle of the klaxon is gradually reduced when thepower supply of the klaxon is turned off, and the working mode adopted by the klaxon is more humanized.

Description

technical field [0001] The invention belongs to the technical field of electronic applications, and relates to a car fascia electric horn conversion device. Background technique [0002] The typical working mode of electric horns in common cars, when the electric horn is in use, the full voltage is applied, and the electric horn immediately emits a particularly harsh sound, especially when passers-by on the road are not paying attention, they are very easy to be frightened, especially for patients. Pedestrians with heart disease are extremely dangerous. The present invention has designed a kind of when the car electric horn power supply is turned on, the electric horn gradually emits whistle sound from small to large; This mode of work tends to be more humane. [0003] The following describes in detail the necessary and key technical contents involved in the implementation of the electric horn conversion device for cars with gradual sounding according to the present invent...

Claims

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Application Information

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IPC IPC(8): H04R3/00
CPCH04R3/00H04R2430/00
Inventor 周玉林
Owner 周玉林
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