A method for parking a pure electric vehicle through an AMT gearbox

A pure electric vehicle and gearbox technology, applied in the direction of components with teeth, transmission control, belt/chain/gear, etc., can solve the problems of high cost of electronic handbrake and handbrake failure.

Active Publication Date: 2018-07-13
SUZHOU LVKON TRANSMISSION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the field of pure electric vehicles, when a pure electric vehicle needs to park on a ramp, it is usually through the handbrake, but the handbrake sometimes fails, and the other is through the electronic handbrake, but the cost of the electronic handbrake is relatively high

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  • A method for parking a pure electric vehicle through an AMT gearbox

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specific Embodiment

[0011] Specific embodiment: the AMT gearbox is specifically an AMT gearbox with at least four gears, which includes at least two independent automatic shifting mechanisms, and each automatic shifting mechanism controls two gear positions respectively, wherein the first automatic shifting mechanism Control 1 / 2 gears, the second automatic shift mechanism controls 3 / 4 gears, after the driver presses the P gear switch, the TCU receives the switch signal, and when the TCU judges that the vehicle is in a parked state, it respectively controls the first automatic gear shift mechanism to switch the gearbox Put into 1st gear or 2nd gear, and the second automatic shifting structure puts the gearbox into 3rd or 4th gear, and the first automatic shifting mechanism and the second automatic shifting structure are engaged in different gears at the same time. The speed ratio is different, resulting in zero rotational freedom of the gearbox input and output shaft, the gearbox is in a locked sta...

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Abstract

The invention provides a method for parking a blade electric vehicle through an AMT. On the basis of an original hand brake, the transmission parking function is added, the system cost is not increased, and ramp parking stability is improved. At least two independent automatic gear shifting mechanisms are arranged on the ATM, and each automatic gear shifting mechanism is used for independently controlling a corresponding gear; after a driver presses down a P-gear switch, a TCU receives a switch signal, and when the TCU judges that the vehicle is in the parking state, the at least two automatic gear shifting mechanisms are independently controlled to forwards move at the same time; at the moment, the controlled automatic gear shifting mechanisms enter corresponding gears, and at least two gears are engaged in the transmission at the same time; as the speed ratios of gears are different, the rotation freedom degree of an input-output shaft of the transmission is 0, the transmission is in the locked state, the output shaft of the transmission cannot be rotated, wheels cannot rotate accordingly, and the vehicle is in the parked state.

Description

technical field [0001] The invention relates to the technical field of vehicle parking, in particular to a method for realizing parking of a pure electric vehicle through an AMT gearbox. Background technique [0002] In the field of pure electric vehicles, when a pure electric vehicle needs to park on a ramp, it is usually through the handbrake, but the handbrake sometimes fails, and the other is through the electronic handbrake, but the cost of the electronic handbrake is relatively high. Contents of the invention [0003] In view of the above problems, the present invention provides a method for parking a pure electric vehicle through an AMT gearbox. On the basis of the original handbrake, the gearbox parking function is added without increasing the system cost, and it improves parking on a slope. stability. [0004] A method for realizing parking of a pure electric vehicle through an AMT gearbox, is characterized in that: at least two independent automatic shifting mec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/02F16H59/68F16H59/44
CPCF16H59/44F16H59/68F16H61/0204F16H61/0213F16H2059/446F16H2061/0225
Inventor 李磊陈友飞李红志黄全安吕小科
Owner SUZHOU LVKON TRANSMISSION TECH CO LTD
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