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Electric Steering Lock

A locking device and electric steering technology, which is applied to the steering column, steering control installed on the vehicle, transportation and packaging, etc., can solve problems such as errors, extend the range of movement, improve the degree of freedom, and expand the settable range Effect

Active Publication Date: 2017-05-17
U SHIN LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, when adopting the method of arranging a plurality of magnetic detection elements on the unlocking side, once the locking part is affected by an unpredictable strong electromagnetic field, even though the locking part is not at the unlocking position, the multiple magnetic detection elements on the unlocking side The magnetic detection elements will also switch from the off state to the on state, and it will be mistakenly believed that the locking part has moved to the unlocked position, the locking part will stop halfway, and the engine may start when the steering wheel is locked. Case

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0084] figure 1 is a longitudinal sectional view showing a locked state of the electric steering lock device according to Embodiment 1 of the present invention, figure 2 is a longitudinal sectional view showing the unlocked state of the electric steering lock device, image 3 is an exploded perspective view of the electric steering lock device, Figure 4 is the system configuration diagram of the electric steering lock device, Figure 5 It is a figure explaining that this electric steering lock apparatus uses a Hall element to detect the position of a lock member.

[0085] The electric steering lock device 1 of the present invention is used to lock / unlock the rotation of the steering shaft (steering wheel) not shown in the figure. The metal cover 4 of the bottom opening of the body 3 is constituted.

[0086] The above-mentioned box body 3 is formed in a rectangular box shape, and an arc-shaped concave portion 3a is formed on its upper part, and a steering shaft tube not s...

Embodiment approach 2

[0123] Below, based on Figure 6 Embodiment 2 of the present invention will be described.

[0124] Figure 6 It is a diagram illustrating the position detection of the locking member by the Hall element in the electric steering lock device according to the second embodiment of the present invention. The first embodiment is the same as the electric steering lock device 1 , so repeated explanations will be omitted, and the symbols used in the first embodiment will be used.

[0125] The feature of this embodiment is that the N pole and the S pole of the magnet 11 are arranged side by side in the direction of movement of the magnet 11 ( Figure 6 Orthogonal direction (left-right direction) ( Figure 6 In the vertical direction), and the Hall element (SW_B) 18 as the magnetic detection element of the S pole and the Hall element (SW_C) 19 as the magnetic detection element of the N pole correspond to the arrangement of the S pole and the N pole of the magnet 11 The other structur...

Embodiment approach 3

[0128] Below, based on Figure 7 Embodiment 3 of the present invention will be described.

[0129] Figure 7 It is a diagram explaining that the electric steering lock device according to the third embodiment of the present invention uses the Hall element to detect the position of the locking member. In this embodiment, the arrangement of the magnetic detection element (Hall element) at the unlock position is different from that in the first embodiment. .

[0130] That is, on the unlock position, three S-pole detection elements are arranged, that is, Hall element (SW_B) 28, Hall element (SW_C) 29 and Hall element (SW_D) 30, two of which are Hall element (SW_B) 28 and the Hall element (SW_C) 29 are disposed on the surface of the printed circuit board 16 facing the magnet 11 ( Figure 7 above), a Hall element (SW_D) 30 is disposed on the surface of the printed circuit board 16 opposite to the surface facing the magnet 11 ( Figure 7 The Hall element (SW_D) 30 functions as an...

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PUM

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Abstract

An electric steering locking device is provided, which can prevent the wrong detection of the locking component in the unlocked position, and reliably ensure that the engine can be started in the unlocked state of the steering wheel. In the electric steering lock device (1), the magnetic detection device arranged at a position corresponding to the unlocked position of the lock member (6) includes: detecting the N pole of the magnet (11) fixed on the lock member (6) And the Hall element (N pole magnetic detection element) (19) that is connected and the Hall element (S pole magnetic detection element) (18) that is detected and connected to the S pole of the magnet (11), the microcomputer (control device) )(20) When the Hall element (N pole magnetic detection element) (19) and the Hall element (S pole magnetic detection element) (18) are both connected, it is judged that the locking part (6) has moved to the unlocked position and the motor is stopped (Electric actuator) (14) drive.

Description

technical field [0001] The invention relates to an electric steering locking device for locking the rotation of the steering wheel in an electric manner when the vehicle is parked. Background technique [0002] Recently, there is an electric steering lock device designed to prevent car theft, which is used to lock the steering wheel electrically when parking. Such an electric steering lock device includes a locking member capable of moving between a locked position where it engages with the steering shaft of the vehicle and an unlocked position where the engagement is released, and a drive mechanism. An electric actuator that works, the drive mechanism converts the rotational force of the output shaft of the motor into the forward and backward force of the above-mentioned locking member. [0003] With this electric steering lock device, when the vehicle stops and the driver turns off the engine start switch in the engine working state, the upper unit of the electric steerin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R25/0215
CPCB60R25/0215B62D1/16
Inventor 井上贵博野间秀树
Owner U SHIN LTD