Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Control method and system for hydraulic control device of continuously variable speed transmission of hybrid power system

A compound power and control device technology, which is applied in the direction of transmission control, power device, air pressure power device, etc., can solve the problems of small torque, inability to fully respond to various vehicle conditions, poor efficiency, etc.

Active Publication Date: 2014-07-09
IND TECH RES INST
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the early known continuously variable transmission (CVT), the centrifugal block is placed in the movable half wheel of the driving wheel. The centrifugal block can only respond to the rotational speed of the engine to change the rotational pitch of the driving pulley, resulting in the rotational speed of the rear axle and The change of torque, this kind of speed change method cannot fully respond to various vehicle conditions, and it cannot obtain the best power output result. Because of its simple structure, it is mostly used on motorcycles, and its main disadvantages are small torque and poor efficiency.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Control method and system for hydraulic control device of continuously variable speed transmission of hybrid power system
  • Control method and system for hydraulic control device of continuously variable speed transmission of hybrid power system
  • Control method and system for hydraulic control device of continuously variable speed transmission of hybrid power system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0070] In order to have a further cognition and understanding of the features, purpose and functions of the present invention, the relevant detailed structure and design concept of the device of the present invention will be described below, so that the characteristics of the present invention can be clearly understood, and the detailed statement as follows:

[0071] see figure 1 As shown, this figure is a schematic diagram of the control system of the hydraulic control device of the compound power system continuously variable transmission of the present invention. The control system 2 includes a hybrid power system 20 having two control components. In this embodiment, the control components are respectively an actuating component 200 and a braking component 201 on a carrier 90 . The carrier 90 is a wheeled vehicle, but it is not limited thereto, as long as it is a mobile tool that needs to utilize compound power, it can be the aspect covered by the carrier of the present in...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention is a control method and system for a hydraulic control device of a continuously variable transmission of a compound power system. The speed adjustment device of the continuously variable transmission is to change the hydraulic pressure generated by the first and second liquid pumps through the hydraulic circuit and the first and second liquid pumps. The speed of the input shaft and output shaft of the liquid pump coupling. The control method and system of the present invention match the operating mode and state of the composite power system to select a series or parallel hydraulic pressure circuit to effectively control the output of the continuously variable transmission. And further control the hydraulic pressure of the first and second liquid pumps, and then control the gear ratio of the continuous continuously variable transmission, so that the input power source (engine, motor) works in the optimal efficiency zone to reduce energy consumption.

Description

technical field [0001] The invention relates to a stepless speed change control method and system, in particular to a control method and system for a hydraulic control device of a stepless speed changer in a compound power system. Background technique [0002] In the early known continuously variable transmission (CVT), the centrifugal block is placed in the movable half wheel of the driving wheel. The centrifugal block can only respond to the rotational speed of the engine to change the rotational pitch of the driving pulley, resulting in the rotational speed of the rear axle and The change of torque, this kind of speed change method cannot fully respond to various vehicle conditions, and it cannot obtain the best power output result. Because of its simple structure, it is often used on motorcycles, and its main disadvantages are small torque and poor efficiency. [0003] The new speed change mechanism is a metal belt type, which can increase the transmission torque, and th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B60K6/543B60K6/36B60K6/44F16H61/42F16H61/66
CPCY02T10/623Y02T10/6243Y02T10/62
Inventor 谢凯清古焕隆魏增德
Owner IND TECH RES INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products