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Shift device

A technology for shifting devices and switching components, applied in the direction of transmission control, components with teeth, belts/chains/gears, etc., which can solve problems such as deterioration of positioning accuracy

Active Publication Date: 2020-12-01
AISIN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention was made to solve the above-mentioned problems, and an object of the present invention is to provide a shifting device capable of suppressing deterioration of positioning accuracy of a shift position due to erroneous identification of the number of rotations of a motor.

Method used

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Examples

Experimental program
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Embodiment Construction

[0046] Hereinafter, embodiments of the present invention will be described based on the drawings.

[0047] First, refer to Figure 1 to Figure 11 The structure of the shift device 100 of this embodiment will be described.

[0048] The shift device 100 of the present embodiment is mounted on a vehicle 110 such as an automobile. Such as figure 1 As shown, in the vehicle 110, when the passenger (driver) performs the switching operation of shifting through the operation portion 111 such as the shift lever (or shift switch), the electric shift switching control of the transmission mechanism portion 120 is performed. . That is, the position of the shift lever is input to the side of the shift device 100 via the shift sensor 112 provided on the operation portion 111 . Then, based on a control signal sent from the dedicated ECU 50 provided in the shift device 100, the transmission mechanism unit 120 is switched to the P (Park) position, R (Reverse) position, N ( Neutral) position...

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PUM

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Abstract

Provided is a shift device capable of suppressing deterioration of positioning accuracy of a shift position due to erroneous identification of the number of revolutions of a motor. The shift device includes: a shift switching member including valley parts corresponding to a shift position; a positioning member provided to establish the shift position in a state of being fitted into any one of thevalley parts; a motor including a rotor and a stator and driving the shift switching member; a speed reduction mechanism section rotating the shift switching member in a state in which a rotation speed transmitted from the motor is reduced; a rotor rotational angle sensor detecting a rotational angle of the rotor; and an output shaft rotational angle sensor detecting a rotational angle of the shift switching member. The shift device detects the number of rotations of the motor based on association between output values of the output shaft rotational angle sensor and the rotor rotational anglesensor.

Description

technical field [0001] The present invention relates to a shift device mounted on a vehicle. Background technique [0002] Conventionally, a shift device mounted on a vehicle is known (for example, refer to Patent Document 1). [0003] The aforementioned Patent Document 1 discloses a shifting device including: an actuator unit that operates based on a control signal corresponding to a passenger's shift operation; and a shift switching mechanism that is controlled by the actuator unit. Drive to switch the shift position. In the shifting device described in this patent document 1, the actuator unit includes a motor, a reduction mechanism unit, a motor rotation angle sensor, an output shaft rotation angle sensor, and an ECU (engine control unit: engine control unit). In addition, the actuator unit includes an output shaft provided on the output side of the reduction mechanism unit. The motor rotation angle sensor detects the rotation amount (rotation angle) of the rotor. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/28F16H61/32
CPCF16H61/28F16H61/32F16H2061/283F16H2061/326F16H2063/3053F16H63/3416F16H63/3466F16H2061/0087F16H2061/0096F16H61/0204F16H59/08
Inventor 荻野淳人内田丰
Owner AISIN CORP