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An automobile hydraulic start-stop system

A hydraulic and automotive technology, applied in vehicle components, control devices, brakes, etc., can solve the problems of large recovered energy loss, high manufacturing cost, and low efficiency.

Inactive Publication Date: 2017-03-08
FUJIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such an energy recovery method is limited by the electric energy conversion efficiency of the battery, and the efficiency is low, resulting in a large loss of recovered energy. Although the supercapacitor has high efficiency, its manufacturing cost is also high.

Method used

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  • An automobile hydraulic start-stop system
  • An automobile hydraulic start-stop system
  • An automobile hydraulic start-stop system

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Embodiment Construction

[0039] see figure 1 As shown, the present invention, a hydraulic start-stop system for automobiles, includes two connected hydraulic mechanisms 100 and a planetary gear speed increaser 200, the planetary gear speed increaser 200 is provided with a rack pull rod 201, any The hydraulic mechanism 100 includes: including a hydraulic pump 1, a one-way valve 2, a pressure limiting valve 3, a brake trigger hydraulic solenoid valve 4, a throttle trigger hydraulic solenoid valve 5, an oil storage cylinder 6, a hydraulic cylinder 7 and a plurality of hydraulic pipelines 8. Both sides of the cylinder body 71 of the hydraulic cylinder 7 are respectively provided with an oil pressure pipe oil inlet port 711 and an oil pressure pipe oil return port 712. Inside the cylinder body 71 of the hydraulic cylinder 7 A push rod 72 is provided;

[0040] The connection method is as follows: the hydraulic pump 1 is connected to the vehicle driving wheel half shaft 300 through a spline (not shown), the...

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Abstract

The invention provides an automobile hydraulic start / stop system. The automobile hydraulic start / stop system comprises two hydraulic mechanisms and a planetary gear speed increaser, wherein the two hydraulic mechanisms are communicated with each other. The planetary gear speed increaser is provided with a rack pull rod. Each hydraulic branch comprises a hydraulic pump, a one-way valve, a pressure-limiting valve, a brake-triggering hydraulic solenoid valve, an accelerator-triggering hydraulic solenoid valve, an oil storage cylinder, a hydraulic cylinder and multiple hydraulic pipelines. The two sides of a cylinder body of each hydraulic cylinder are provided with an oil-pressure pipe oil inlet connector and an oil-pressure pipe oil returning connector respectively. A push rod is arranged inside the cylinder body of each hydraulic cylinder. The automobile hydraulic start / stop system has the advantages that by using the electric hydraulic and mechanical combined action, the energy recycling storage during the automobile braking deceleration process is achieved, recycled energy is converted and output during the start-up process of a vehicle, the energy use ratio is increased, and the complex and high-cost design in the prior art is avoided. The automobile hydraulic start / stop system has the advantages of being energy-conserving, efficient, suitable for mass production, applicable to the matched application of various vehicle models, and high in practicality.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of automobile machinery, and more specifically, relates to an automobile hydraulic start-stop system. [0003] 【Background technique】 [0004] The car start-stop system is a system that recovers and stores the mechanical kinetic energy of the car when braking and decelerating while the vehicle is running. [0005] Compared with the traditional engine drive, the car starting drive has low transmission efficiency and high fuel consumption. Therefore, in the existing electric vehicle and hybrid vehicle technology, the starting drive of the vehicle all uses the electric energy consumed by the motor to realize the drive. For energy recovery, traditional vehicles generally have no relevant design, while in electric vehicles or hybrid vehicles, the energy recovery device generally uses the working principle of the motor to convert mechanical energy into electrical energy of a battery or super capacitor for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K25/10B60T1/10
Inventor 李敏旭黄豪杰朱柏光马瑞江
Owner FUJIAN UNIV OF TECH
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