CN203686098U

CN203686098U - EPS semi-automatic shift system

Info

Publication number: CN203686098U
Application number: CN201320861248.8U
Authority: CN
Inventors: 刘欣; 董清伟
Original assignee: DALIAN NATURE MACHINERY ELECTRONIC EQUIPMENT CO LTD
Current assignee: DALIAN NATURE MACHINERY ELECTRONIC EQUIPMENT CO LTD
Priority date: 2013-12-25
Filing date: 2013-12-25
Publication date: 2014-07-02
Anticipated expiration: 2023-12-25

Abstract

The utility model provides a half automatic gear shifting system of EPS saves partly mechanical mechanism through the work of electron device control clutch executor between handle manipulation assembly and the derailleur and is connected, has saved installation space, only needs to select the executor assembly of shifting and through the work of controller control executor additional one outside the gearbox upper cover under the unchangeable prerequisite of gear transmission main tank, realizes selecting to keep off and the purpose of shifting. Compared with the traditional pure manual gear, the system can step on or not step on the clutch pedal, and the automatic separation and connection actions of the clutch are completed through the vehicle-mounted computer when the clutch pedal is not stepped on; due to the adoption of electronic control and pneumatic execution, the existing gear shifting control system mechanism can be simplified, the gear shifting control force is reduced, the gear shifting completion hand feeling prompt is realized, and the gear shifting response speed and the accuracy of gears are improved. Due to the adoption of semi-automatic gear control, the automatic transmission has the advantages of a manual gear and an automatic gear, such as fast rhythm feeling of manual gear driving, comfortable safety of the automatic gear and the like.

Description

EPS semi-automatic shift gears system

Technical field

The utility model relates to automobile variable speed technical field, is specifically related to automatically controlled semi-automatic shift gears system.

Background technique

For present metropolitan traffic congestion situation, often need to loiter at running process.For opening the driver of manual gear, need four limbs to coordinate and do not stop to repeat the actions such as gearshift, starting, throttle, clutch cooperation, especially in the time that uphill way meets with traffic congestion, driver needs frequent use semi-linkage clutch starting to move car, also to coordinate parking brake to prevent from slipping after vehicle simultaneously, one worried meeting is unavoidably in a rush, really be to take a lot of trouble effort, affect driving safety.And for rearmounted gearbox vehicle, manual shift adopts connecting rod or drawing cable mechanism to complete gearshift more, because transmission is distant, need larger steering force, and need trick accurately to coordinate gear shift operation, once operate miss meeting causes gearbox to damage, serious cause traffic accident.In a word, for the long-term big city in the traffic congestion driver that manually keeps off a car, driving operation, will cause having aches in the limbs for a long time, feel exhausted, and Driving approach exhaustion.

But, be exactly another pair of shoes for opening automatic car stopping driver, in traffic congestion situation, only need to, by shift control low speed gear, without stepping on clutch, only need control well and brake and throttle, just can note physically and mentally condition of road surface.Owing to there is no the problem of flame-out and clutch, in gearshift manipulation, do not need human intervention again, even if go up a slope traffic congestion, also can left foot control brake, coordinate right crus of diaphragm to dub throttle starting, absolutely not slip car situation, manipulate free and relaxed.Thereby, automatic catch compare manual gear reduction labor intensity, but automatic catch driving itself lack Driving; Fuel consumption increases, and running cost increases.

In a word, for driver, automatic catch has good driving comfortability Security, but lacks Driving, economical reduction; Manual gear is faced with the problems such as high labor intensity and low-security.

Model utility content

In order to overcome the problems referred to above that exist in manual gear and automatic catch vehicle gearshift process, the utility model provides a kind of EPS semi-automatic shift gears system.

The technological scheme that the utility model adopted is for achieving the above object: EPS semi-automatic shift gears system, shifting cylinder 16 is arranged on gearbox 17 shells with gear-selecting cylinder 13, shifting cylinder 16 connects the selector fork in gearbox 17, gear-selecting cylinder 13 connects the block selecting axle in gearbox 17, be installed on shifting cylinder 16 for the gearshift gear feedback unit 15 that feeds back shifting cylinder 16 piston position information, the gear-selecting cylinder displacement transducer 14 that is used for the position information of feeding back gear-selecting cylinder 13 pistons is installed on gearbox 17 shells, gearshift gear feedback unit 15 is connected with EPS controller 6 by elastic cable paper 11 respectively with gear-selecting cylinder displacement transducer 14, be fixedly installed on gearbox 17 by promoting clutch shifter move the clutch actuator assembly 18 of solenoidoperated cluthes motions, clutch actuator assembly 18 is connected with EPS controller 6 by elastic cable paper 11, solenoid valve group 12 is fixedly mounted on gearbox 17, each solenoid valve is connected with the cylinder in shifting cylinder 16, gear-selecting cylinder 13 and clutch actuator assembly 18 by vehicle gas source pipe 9 on the one hand, be connected with vehicle body source of the gas on the other hand, each electromagnetic valve end is connected with EPS controller 6 by elastic cable paper 11, in stick control assembly 1, be connected with automobile source of the gas by vehicle gas source pipe 9, stick control assembly 1 is connected with EPS controller 6 by elastic cable paper 11, clutch pedal displacement transducer 2 is installed on clutch pedal 3 one sides, and clutch pedal displacement transducer 2 is connected with EPS controller 6 by elastic cable paper 11, ignition switch 4 is connected with controller 6 by elastic cable paper 11 with insurance 5, and ignition switch 4, insurance 5 connect EPS ECU (Electrical Control Unit) ECU.

Also be provided with master control backup circuit breaker 7, master control backup circuit breaker 7 is connected with controller 6 by elastic cable paper 11.

Also be provided with gear display unit 8, gear display unit 8 is connected with controller 6.

Described gearshift gear feedback unit 15 is Hall transducer group.

Each valve in described solenoid valve group 12 is two-position three way switch valve and 2/2-way pressure regulator valve.

EPS semi-automatic shift gears system of the present invention, between stick control assembly and speed changer, there is no mechanical connection, it is the autonomous system being formed by connecting with a cable, simultaneously aspect Clutch Control, also saving a part of mechanical mechanism formula by the work of electronic equipment solenoidoperated cluthes final controlling element connects, save installing space and there is no specific position requirement compared with traditional speed variator system, under the constant prerequisite of gear-shift transmission main tank, only need upper cover of speed changing box outside, add a block selecting final controlling element assembly and by the work of controller control final controlling element, realize block selecting and the object of shifting gears.This cover system, compared with the pure manual gear of tradition, can be stepped on or not stepping on clutch pedal, when not stepping on clutch pedal, automatically separates and joint action by completed clutch by vehicle-mounted computer control; Owing to adopting electronic control to add and pneumatic execution, can, by existing shift control system mechanism simplifying, alleviate shift control dynamics, improve the accuracy of gearshift speed of response and gear.Owing to adopting semi-automatic gear control, there is manual gear and automatic catch, as manual gear is driven pleasant sensation, the comfortable Security of automatic catch etc. simultaneously.

Accompanying drawing explanation

Fig. 1 is the utility model EPS semi-automatic shift gears system schematic.

Fig. 2 is the utility model EPS semi-automatic shift gears systematic schematic diagram.

In figure: stick control assembly 1, clutch pedal displacement transducer 2, clutch pedal 3, ignition switch 4,3.5A insurance 5, EPS controller 6, master control backup circuit breaker 7, gear display unit 8, vehicle gas source pipe 9, reduction valve 10, elastic cable paper 11, solenoid valve group 12, gear-selecting cylinder 13, gear-selecting cylinder displacement transducer 14, shifting cylinder gear feedback unit 15, shifting cylinder 16, mechanical gear box 17, clutch actuator assembly 18.

Embodiment

As depicted in figs. 1 and 2, mechanical gear box 17 is whole system control subjects for EPS semi-automatic shift gears system architecture of the present utility model and principle, and shifting cylinder 16 is fixedly mounted on gearbox 17 shells with orthogonal manner with gear-selecting cylinder 13.The selector fork that shifting cylinder 16 is controlled in gearbox 17 is realized gearshift, and the block selecting axle that gear-selecting cylinder 13 is controlled in gearbox 17 is realized gear selection, and both realize vehicle shift by routing motion.Gearshift gear feedback unit 15 is installed on shifting cylinder 16, and location sensitive is realized by Hall transducer group, for feeding back shifting cylinder 16 piston position information, determines the position of selector fork.Gear-selecting cylinder displacement transducer 14 is installed on gearbox 17 shells, for feeding back the position information of gear-selecting cylinder 13 pistons, i.e. and the position information of block selecting axle.Gearshift gear feedback unit 15 is connected with EPS controller 6 by elastic cable paper 11 respectively with gear-selecting cylinder displacement transducer 14, and shifting position information is transferred to EPS controller 6.

On clutch actuator assembly 18 fixed installation and gearbox 17 framies, by promoting the clutch shifter solenoidoperated cluthes motion of moving.And clutch actuator assembly 18 is connected with EPS controller 6 by elastic cable paper 11, can be by elastic cable paper by various information required automatic clutch (as the speed of a motor vehicle, engine speed, wish gearshift position etc.) be transferred to clutch actuator assembly from controller, clutch actuator assembly 18 also can be by information (as the position information of clutch joint simultaneously, cylinder pressure etc.) feed back to EPS controller 6, as system, it is used.

Solenoid valve group 12 is fixedly mounted on gearbox 17 framies, and the each valve in solenoid valve group 12 is all two-position three way switch valve, each solenoid valve is on the one hand by pipeline 9 and shifting cylinder 16, cylinder in gear-selecting cylinder 13 and clutch actuator assembly 18 is connected, and is connected on the other hand with vehicle body source of the gas.Meanwhile, each electromagnetic valve end is connected with EPS controller 6 by elastic cable paper 11.

In stick control assembly 1, be connected with automobile source of the gas by pipeline 9, stick control assembly 1 is connected with EPS controller 6 by elastic cable paper 11.Stick control assembly 1 is as driver's transmitting device, send the definite information of lever handle gear to EPS controller 6 by elastic cable paper 11, simultaneously EPS controller 6 according to other parameter informations of automobile running (as the speed of a motor vehicle, engine speed, the position that clutch engages etc.) judge whether gearshift, and whether gear puts in place.

Clutch pedal 3 is manual gear parts, and fastening its side of clutch pedal displacement transducer 2, and be connected with EPS controller 6 by elastic cable paper 11.They are that EPS semi-automatic shift gears system realizes manual drive pattern basis, are that the driver that loads native system automobile thinks driving experience enjoyment or goes wrong and standby system when automobile can not normally travel at automatic driving mode.Under manual mode, clutch pedal displacement transducer 2 judges the more specific location information of clutch pedal, and sends information to EPS controller 6, as drive parameter.

Ignition switch 4,3.5A insurance 5, master control backup circuit breaker 7 is as other constituent elements of system, and they are connected with controller 6 by elastic cable paper 11, differentiate the indispensable parameter of Vehicle Driving Cycle as EPS controller 6.Wherein ignition switch 4,3.5A insurance 5 provides working power for EPS ECU (Electrical Control Unit) ECU; Simultaneously because this cover system electronic control unit has two covers, comprise a set of main electronic control unit and a set of electronic control unit for subsequent use, control unit for subsequent use is in the time that main control unit has fault, complete the partial function of main control unit by switching master control backup circuit breaker 7, guarantee that vehicle can continue safety traffic.

Gear display unit 8 shows vehicle gear information, reminds driver's vehicle drive shifting state.

System can complete following functions: clutch foot-propelled or automatically separation; Artificial or the automatic combination of clutch.Manipulation-pneumatic or electronic gearshift.The required pressurized air of cylinder is provided by vehicle source of the gas, and solenoid valve group is controlled by the control unit controller of EPS system.Control unit can be (according to the speed of a motor vehicle, engine speed, wish gearshift position, clutch separation situation) determine whether speed changer can shift gears, and control whole shift process, after gearshift finishes, point out to driver's feel by stick control mechanism, it is moved into place lever handle, and in this process, clutch actuator completes clutch separation and joint action.Control unit will not be carried out the operation of violating gear shift operation rules simultaneously, protection gearbox and driving safety.

In native system, between stick control assembly 1 and gearbox 17, there is no mechanical connection, it is the autonomous system being formed by connecting with a cable, simultaneously aspect Clutch Control, work and also save a part of mechanical mechanism and connect by electronic equipment solenoidoperated cluthes final controlling element 18, compare with traditional speed variator system and saved installing space and there is no specific position and require (cable between stick control assembly and speed changer can be gone for a stroll arbitrarily, is connected).Under the constant prerequisite of gear-shift transmission main tank, only need upper cover of speed changing box outside, add a block selecting final controlling element assembly and by the work of controller control final controlling element, realize block selecting and the object of shifting gears.

Have two kinds of mode of operations for Clutch Control, one is manual driver's control mode, is mode of operation for subsequent use, and another is automatic mode, is main normal mode of operation.Under manual work driver control mode, need driver with foot control clutch pedal processed, this kind of pattern is applicable to that driver self thinks driving experience enjoyment and in the time that automatic mode occurs situation and can not normally travel, for guaranteeing automobile normal running, be switched under this manual work driver control mode, this kind of pattern is for subsequent use.Automatic operation mode, the automatic clutch action of clutch, realizes by clutch actuating mechanism.

This cover system, compared with the pure manual gear of tradition, can be stepped on or not stepping on clutch pedal, completes clutch automatically separate and joint action when not stepping on clutch pedal by vehicle-mounted computer.Driver is manual manipulation gearshift, and driver only need manipulate shift handle manipulator assembly 1 and be intended to for vehicle-mounted computer provides driver's gearshift; Vehicle-mounted computer control gearshift completes gearshift action.In view of the foolproof operation of pure automatic gear shifting system stick control assembly shift process, can say without feel, compared with pure automatic car stopping, in native system, increase feel generting machanism, make driver in shifting process, realize the enjoyment of driving.Owing to adopting electronic control to add pneumatic execution, can, by existing shift control system mechanism simplifying, alleviate shift control dynamics, improve the accuracy of gearshift speed of response and gear.Owing to adopting semi-automatic gear control, there is manual gear and automatic catch, as manual gear is driven pleasant sensation, the comfortable Security of automatic catch etc. simultaneously.

The utility model is described by embodiment, and those skilled in the art know, without departing from the spirit and scope of the present invention, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present invention, can modify to adapt to concrete situation and material and can not depart from the spirit and scope of the present invention these features and embodiment.Therefore, the present invention is not subject to the restriction of specific embodiment disclosed herein, and the embodiment within the scope of all the application's of falling into claim belongs to protection scope of the present invention.

Claims

1. The EPS semi-automatic shift system is characterized in that: the shift cylinder (16) and the gear selection cylinder (13) are installed on the casing of the gearbox (17), and the shift cylinder (16) is connected to the shifter in the gearbox (17). The gear shift fork, the gear selection cylinder (13) is connected to the gear selection shaft in the gearbox (17), and the gear shift position feedback unit (15) used to feed back the position information of the piston in the gear shift cylinder (16) is installed on the gear shift cylinder On (16), the gear selection cylinder displacement sensor (14) used to feed back the position information of the gear selection cylinder (13) piston is installed on the gearbox (17) shell, and the gear shift position feedback unit (15) and the gear selection cylinder The displacement sensors (14) are respectively connected to the EPS controller (6) through cables (11); the clutch actuator assembly (18) which controls the movement of the clutch by pushing the clutch fork is fixedly installed on the gearbox (17) , the clutch actuator assembly (18) is connected to the EPS controller (6) through the cable (11); the solenoid valve group (12) is fixedly installed on the gearbox (17), and each solenoid valve passes through the vehicle air source pipeline on the one hand (9) It is connected with the shift cylinder (16), gear selection cylinder (13) and the cylinder in the clutch actuator assembly (18), on the other hand it is connected with the air source of the vehicle body, and the control terminals of each solenoid valve are connected through cables ( 11) Connected to the EPS controller (6); the handle control assembly (1) is connected to the vehicle air source through the vehicle air source pipeline (9), and the handle control assembly (1) is connected to the EPS through the cable (11) The controller (6) is connected; the clutch pedal displacement sensor (2) is installed on the side of the clutch pedal (3), and the clutch pedal displacement sensor (2) is connected to the EPS controller (6) through the cable (11); the ignition switch (4) and fuse (5) are connected to the controller (6) through the cable (11), and the ignition switch (4) and fuse (5) are connected to the EPS electronic control unit ECU.

2. The EPS semi-automatic shift system according to claim 1, characterized in that: a main control backup switch (7) is also provided, and the main control backup switch (7) communicates with the controller (6) through a cable (11) connect.

3. The EPS semi-automatic shift system according to claim 1, characterized in that: a gear position display unit (8) is also provided, and the gear position display unit (8) is connected to the controller (6).

4. The EPS semi-automatic shift system according to claim 1, characterized in that: the shift position feedback unit (15) is a group of Hall sensors.

5. The EPS semi-automatic shift system according to claim 1, characterized in that: each valve in the solenoid valve group (12) is a two-position three-way switching valve and a two-position two-way pressure regulating valve.