Automobile electronic composite starter

A technology for automotive electronics and starters, which is applied in the direction of motor starting for engines, engine components, and engine starting. Reasonable, solve the effect of large volume

Inactive Publication Date: 2011-05-04
XIAN SHENKE ELECTRONICS RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual use, since the relay is a contact-type electromagnetic switch, it is prone to contact ablation under high-current working condit

Method used

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Embodiment Construction

[0021] Such as figure 1 , figure 2 As shown, the present invention includes a DC starting power supply 1, a motor starting circuit 2 connected with the starting motor 5 and a protection circuit 3 connected with the motor starting circuit 2 and automatically protecting the starting motor 5 after starting, the motor starting circuit 2 and The protection circuits 3 are all connected to the DC starting power supply 1 . The motor starting circuit 2 includes a triode BG1 and the triode BG1 is a PNP type triode. The base of the triode BG1 is divided into two circuits after passing through a resistor R2. After starting the switch SW, it is grounded. The emitter of the triode BG1 is connected to the positive pole of the DC starting power supply 1 and its collector is connected to the positive power input terminal of the starter motor 5, and the negative power input terminal of the starter motor 5 is grounded. In this embodiment, the starter motor 5 is a motor for Jiefang 141 and 14...

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PUM

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Abstract

The invention discloses an automobile electronic composite starter. The starter comprises a direct current starting power supply, a motor starting circuit and a protection circuit, wherein the motor starting circuit is connected with a starting motor; the protection circuit is connected with the motor starting circuit and automatically protects the starting motor after being started; both the motor starting circuit and the protection circuit are connected with the direct current starting power supply; the motor starting circuit comprises a triode BG1 of which a base is divided into two paths through a resistor R2; one path is connected with a power positive electrode of the direct current starting power supply through a resistor R1, and the other path is grounded through a starting switch (SW); an emitter of the triode BG1 is connected with the power positive electrode of the direct current starting power supply, and a collector of the triode BG1 is connected with a positive power input end of the starting motor; and a negative power input end of the starting motor is grounded. The starter has the advantages of low cost, small size, high reliability of a starting system and good starting effect, and can effectively solve the problems of adverse factors of large size, high probability of ablation of a contact, non-moisture proof, high electromagnetic interference, poor reliability and the like existing in the conventional composite relay.

Description

technical field [0001] The invention relates to an automobile electronic starter, in particular to an automobile electronic composite starter. Background technique [0002] Today's Jiefang 141 and 142 cars mostly use "composite relays" in the starting circuit to protect the overspeed rotation of the starting DC motor. However, in actual use, since the relay is a contact-type electromagnetic switch, it is prone to contact ablation under high-current working conditions, and the relay also has disadvantages such as large size, non-moisture-proof, large electromagnetic interference, and poor reliability. factor. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an automotive electronic compound starter for the deficiencies in the above-mentioned prior art, which has low cost, small volume, high reliability of the starting system and good starting effect, and can effectively solve the existing " Composite relays have ...

Claims

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Application Information

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IPC IPC(8): F02N11/10F02N11/08
Inventor 苏西安盛熙
Owner XIAN SHENKE ELECTRONICS RES INST
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