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Power supply system and power supply control method for idle speed start and stop vehicle

A technology of idling start-stop and power supply system, which is applied in the direction of vehicle components, circuits or fluid pipelines, transportation and packaging, etc. It can solve the problems of endangering the safety of the whole vehicle and power failure of the power supply object of the voltage stabilizer, so as to improve the service life, The effect of low cost and simple control process

Active Publication Date: 2017-07-04
DONGFENG MOTOR CORP HUBEI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing idling start-stop vehicles adopt the scheme of AGM (Absorbent Glass Mat Battery) strengthened battery and voltage regulator. When the voltage regulator fails, the power supply object of the voltage regulator will be cut off, endangering the safety of the whole vehicle

Method used

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  • Power supply system and power supply control method for idle speed start and stop vehicle

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Embodiment Construction

[0015] The following combination body embodiment is described in further detail to the present invention:

[0016] The present invention relates to a power supply system for idling start-stop vehicles, such as figure 1 As shown, it includes battery 1, automotive electrical appliances 2, supercapacitor module 3, engine controller 4, generator 5, starter 6, first electronically controlled single-pole double-throw switch 7 and second electronically controlled single-pole double-throw switch 8. Among them, the first static contact S2 of the first electronically controlled single-pole double-throw switch 7 is connected to the charging and discharging interface of the battery 1, and the first static contact S2 of the second electronically controlled single-pole double-throw switch 8 is also connected to the charging port of the battery 1. Discharge interface, the movable contact S1 of the second electronically controlled single-pole double-throw switch 8 is connected to the power in...

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Abstract

The invention discloses a power supply system for an idle speed start and stop vehicle. According to the power supply system, a first static contact of a first electric single-pole double-throw switch is connected with a charge-and-discharge interface of a storage battery, the first static contact of a second electric single-pole double-throw switch is connected with the charge-and-discharge interface of the storage battery, a movable contact of the second electric single-pole double-throw switch is connected with a power supply interface of a vehicle electric appliance, a second static contact of the second electric single-pole double-throw switch is connected with the charge-and-discharge interface of a super capacitor module, the second static contact of the first electric single-pole double-throw switch is connected with the charge-and-discharge interface of the super capacitor module, and the movable contact of the first electric single-pole double-throw switch is respectively connected with the power signal output end of a generator and the power signal input end of a starter. According to the power supply system for the idle speed start and stop vehicle, the service life of a lead-acid battery can be greatly prolonged and the safety of the vehicle can be improved.

Description

technical field [0001] The invention relates to the technical field of automobile start-stop equipment, in particular to a power supply system and a power supply control method for idling start-stop vehicles. Background technique [0002] With the increasing requirements of the country on the fuel consumption of automobiles, future vehicles will basically have the function of idling start and stop to reduce the fuel consumption of the engine at idle speed. When the traditional power system architecture is used to deal with this kind of vehicle, the life of ordinary liquid-filled lead-acid batteries is seriously insufficient, and the terminal voltage drops at the moment of starting, which endangers the normal operation of the on-board controller. Most of the existing idling start-stop vehicles adopt the scheme of AGM (Absorbent Glass Mat Battery) strengthened battery and voltage regulator. When the voltage regulator fails, the power supply of the voltage regulator will be cut...

Claims

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Application Information

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IPC IPC(8): B60R16/03B60R16/033
CPCB60R16/03B60R16/033
Inventor 王莹毕东阳俞炜潘香英王涛
Owner DONGFENG MOTOR CORP HUBEI