KR20240000693U - Auto-transmission operation device for vehicle - Google Patents

Abstract

The present invention includes a knob that changes the vehicle's shift mode to reverse mode (Reverse: R), neutral mode (Neutral: N), and driving mode (Driving: D) by rotation; Parking button that switches the vehicle's shift mode to parking mode (Parking: P) by pressing it; a cam that guides the knob to return to its original position after rotation of the knob; a magnet attached to the bottom of the knob and rotating with the rotation of the knob; and a Hall sensor disposed below the magnet and measuring an electromagnetic field value that changes as the magnet rotates.

Description

Automatic shift operation device for vehicles {AUTO-TRANSMISSION OPERATION DEVICE FOR VEHICLE}

The present invention relates to an automatic shift operation device for a vehicle, and more specifically, a rotatable knob is equipped with a magnet and a hall sensor, so that the vehicle shift gear can be easily switched according to the rotation of the knob, thereby improving the visibility of the vehicle gear shift gear and driving stability. This relates to an automatic transmission control device for vehicles that increases

Typically, vehicle transmission systems are largely divided into automatic transmissions and manual transmissions, and automatic transmissions use planetary gears and continuously variable transmissions using continuously variable transmissions.

Recently, the Shift By Wire (SBW) system, which controls the vehicle's shifting system electronically rather than mechanically, has been used. The shift by wire system electrically operates the mechanical connection structure between the transmission and the shift lever. It refers to a shifting system that achieves shifting control electronically using an actuator, an electronic shift lever, and an ECU (Electric Control Unit).

This shift-by-wire transmission system converts the changed position of the shift lever into an electrical signal using a position sensor (for example, a Hall sensor, etc.), and inputs this signal to the TCU (Transmission Control Unit). , shifting is performed under the control of the TCU. Compared to the existing mechanical shift lever system, this shift-by-wire shifting system has the advantage of superior lever operation and the ability to shift gears with a simple lever operation.

Therefore, recently, dial and knob type shift levers have been developed and used to improve the usability of center console space and reduce the package size of the shift lever system.

However, conventionally, in order to provide a feeling of rotational operation to a dial and knob type van speed lever, a detent ball provided inside the dial and knob and a leaf spring disposed outside the dial and knob and in contact with the detent ball are used, resulting in a structure There was a problem in that it became complicated and space utilization was low, making it difficult to add additional devices.

In addition, there was a problem in that the hall sensor for detecting the change in position of the shift lever was provided in a separate member rather than the shift lever, which increased manufacturing costs.

The problem that the present invention aims to solve is to provide an automatic shift control device for a vehicle that increases the visibility of vehicle shift gears and improves the convenience of operating the shift gears.

Another task of the present invention is to provide an automatic transmission control device for vehicles that improves space utilization by simplifying the structure.

Another task of the present invention is to provide an automatic shift control device for a vehicle in which a Hall sensor is provided inside the knob.

Another task of the present invention is to provide an automatic shift control device for a vehicle in which the cam is formed in a vertical structure, thereby maximizing the utilization of the space inside the automatic shift control device for a vehicle.

The tasks of the present invention are not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art from the description below.

In order to achieve the above task, the automatic shift control device for a vehicle according to an embodiment of the present invention changes the shift mode of the vehicle by rotation into reverse mode (Reverse: R), neutral mode (Neutral: N), and driving mode (Driving mode). :D), a parking button that switches the vehicle's shift mode to parking mode (Parking: P) by pressing it, and a cam that guides the knob to return to its original position after rotation of the knob,

The knob is attached to the bottom of the knob, and includes a magnet that rotates with the rotation of the knob, and a Hall sensor disposed below the magnet to measure an electromagnetic field value that changes according to the rotation of the magnet. Includes a shift control device.

In addition, the knob includes an annular inner wheel, an outer wheel rotatably coupled to the outer periphery of the inner wheel, a wheel knob that covers upper sides of the inner wheel and the outer wheel and is coupled to the outer wheel, and A wheel base disposed below the inner wheel and the outer wheel to support the inner wheel, a bearing disposed between the outer peripheral surface of the inner wheel and the inner peripheral surface of the outer wheel, and coupled to the circumference of the knob to support the knob. It may include a bracket.

Additionally, it may include a display unit installed on the upper surface of the parking button to indicate a shift mode to be switched according to a user's operation.

Additionally, the cam may have an inwardly concave groove formed in the center of the upper surface, and inclined surfaces protruding upward may be formed on both sides of the groove.

In addition, the knob is accommodated in the groove, and connects a roller moving in the section between the groove and the stopper, a roller holder supporting the roller, and the roller holder and the knob, and compresses according to the movement of the roller. /Can include a spring that extends.

Specific details of other embodiments are included in the detailed description and drawings.

According to the automatic transmission control device for a vehicle of the present invention, one or more of the following effects are achieved.

First, by manipulating the shift range of the vehicle using a rotatable knob, the visibility and convenience of operation of the shift range of the vehicle are improved.

Second, the automatic transmission control device for vehicles has a simple structure of knobs and cams, which has the effect of improving space utilization.

Third, the Hall sensor is arranged to be fixed inside the knob, and the magnet is arranged to be rotatable inside the knob, so there is no need for a separate member other than the knob for rotation detection, which has the effect of reducing manufacturing costs.

Fourth, the cam is formed in a vertical structure, which has the effect of further maximizing the utilization of the space inside the automatic transmission control device for a vehicle.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a plan view of an automatic shift control device for a vehicle according to the prior art.
Figure 2 is a perspective view of an automatic shift control device for a vehicle according to an embodiment of the present invention.
Figure 3 is a cross-sectional view of AA shown in Figure 2.
Figure 4 is an enlarged view showing the connection relationship between the cam and knob of Figure 2.
Figure 5 is a diagram showing how the shift range of the vehicle is switched according to the rotation of the knob and how the knob is restored after rotation, (a) when the shift range of the vehicle is N, (b) when the shift range of the vehicle is When the gear is D, (c) indicates when the vehicle's gear shift gear is R.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms. The present embodiments are merely provided to ensure that the disclosure of the present invention is complete, and that common knowledge in the technical field to which the present invention pertains is provided. It is provided to fully inform those who have the scope of the invention, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to drawings for explaining an automatic shift control device for a vehicle according to embodiments of the present invention.

Figure 1 is a plan view of an automatic shift control device for a vehicle according to the prior art, and Figure 2 is a perspective view of an automatic shift control device for a vehicle according to an embodiment of the present invention.

Referring to Figure 1, in a conventional automatic shift control device for a vehicle, a cam (2) that limits and restores the rotation of the knob (1) is installed horizontally with the knob (1) in the direction facing the knob (1), and the cam There was a problem in that the size of the automatic shift control device for a vehicle increased in size because it required a lot of space for the operation of (2).

Referring to FIG. 2, in the automatic shift control device for a vehicle according to an embodiment of the present invention, a cam 50 that limits and restores the rotation of the knob 10 is installed in the upward direction, so that the cam 50 performs the operation. Since less space is required, the size of the automatic transmission control device for a vehicle can be reduced, while also making it easier to add other parts.

FIG. 3 is a cross-sectional view along line A-A shown in FIG. 2, and FIG. 4 is an enlarged view showing the connection relationship between the cam and the knob in FIG. 2.

Hereinafter, with reference to FIGS. 1 to 4, the configuration of an automatic shift control device for a vehicle according to an embodiment of the present invention will be described.

The automatic shift control device for a vehicle according to an embodiment of the present invention includes a knob that switches the vehicle's shift mode to reverse mode (Reverse: R), neutral mode (Neutral: N), and driving mode (Driving: D) by rotation. (10), a parking button (20) that switches the vehicle's shift mode to parking mode (Parking: P) by pressing it, and a cam that guides the knob (10) to return to its original position after rotation of the knob (10). Includes (50).

The knob 10 may include an inner wheel 13, an outer wheel 12, a wheel knob 11, a wheel base 14, a bearing 60, and a bracket 15.

The inner wheel 13 may be formed in an annular shape and may be disposed inside the outer wheel 12 and below the wheel knob 11. Additionally, a coupling portion 132 that protrudes a predetermined distance in the radial direction may be formed at the lower portion of the inner wheel 13.

The coupling portion 132 is partially inserted into a groove formed on the inner surface of the wheel base 14, so that the inner wheel 13 and the wheel base 14 can be coupled to each other using a hook method.

The outer wheel 12 can be rotatably coupled to the outer periphery of the inner wheel 13 in the circumferential direction, is disposed at the lower part of the wheel knob 11, and has a spring to which a roller holder 45, described later, is connected to one side of the outer circumferential surface. A receiving groove 41 in which (42) is disposed may be formed. Additionally, a coupling protrusion 122 that protrudes a predetermined distance and is coupled to the wheel knob 11 may be formed on the upper portion of the outer wheel 12.

The wheel knob 11 is rotatable, covers the upper side of the outer wheel 12 and the inner wheel 13, and has a coupling hole 112 on a portion of the outer peripheral surface into which the coupling protrusion 122 of the outer wheel 12 is inserted. As the coupling protrusion 122 is inserted into the coupling hole 112, the wheel knob 11 and the outer wheel 12 can be coupled in a hook manner, and the wheel knob 11 has a parking button in the center ( A hollow portion in which 20) is disposed may be formed.

The bracket 15 is shaped like a ring and can be coupled around the knob 10 to support the knob 10.

The wheel base 14 is disposed below the inner wheel 13 and the outer wheel 12 and can support the inner wheel 13.

The bearing 60 is disposed between the outer circumferential surface of the inner wheel 13 and the inner circumferential surface of the outer wheel 12, so that the outer wheel 12 can be rotatably coupled to the inner wheel 13.

The parking button 20 may include a pusher unit 21, a switch 22, an elastic member 23, and a display unit 24.

The pusher portion 21 may protrude toward the switch 22 disposed inside the parking button 20. Accordingly, the pusher unit 21, which is moved downward by the user's pressing operation, can change the vehicle's shift mode to parking mode (Parking: P) by contacting the switch 22.

The elastic member 23 is compressed by the user's operation and press to generate elastic force, and thus the parking button 20, which has moved downward, can be returned to its original position. The elastic member 23 may be arranged to be connected up and down on both sides of the pusher unit 21 and on both sides of the switch 22.

The display unit 24 can display the driving modes (R/N/D/P) that are switched according to the rotation of the knob 10 to increase visibility of the vehicle shift gear.

Referring to FIG. 4, the cam 50 has an inwardly concave groove 51 formed in the central portion of the upper side, and rollers 46 are positioned on both sides of the groove 51 at a predetermined distance from the groove 51. ) An inclined surface 52 that limits the movement may be formed to protrude upward. In addition, the section extending from the groove 51 to the inclined surface 52 is a path along which the roller 46, which will be described later, moves when the knob 10 rotates.

The roller portion 40 formed on the side of the knob 10 is accommodated in the groove 51 of the cam 50, and includes a section between the groove 51 and the inclined surface 52, a roller 46 moving therebetween, It may include a roller holder 45 supporting the roller 46 and a spring 42 that connects the roller holder 45 and the knob 10 and is compressed/extended as the roller 46 moves to form a restoring force. there is.

The spring 42 is stretched to its maximum when the roller 46 is received in the groove 51 of the cam 50,

When the roller 46 is moved and reaches the top of the inclined surface 52, it can be maximally compressed. Accordingly, the roller 46 moved by the elastic force due to compression can return to its original position, the groove 51. Accordingly, the rotated knob 10 can also return to its original position.

Figure 5 is a diagram showing how the shift range of the vehicle is switched according to the rotation of the knob and how it is restored after the knob is rotated. (a) When the shift range of the vehicle is N, (b) When the shift range of the vehicle is N When the gear is D, (c) indicates when the vehicle's gear shift gear is R.

Referring to FIG. 5, the automatic shift control device for a vehicle according to an embodiment of the present invention includes a magnet 30 and a Hall sensor 31.

The magnet 30 is attached to the bottom of the knob 10 and can rotate along with the rotation of the knob 10.

The Hall sensor 31 is disposed below the magnet 30 and can measure electromagnetic field values that change as the magnet 30 rotates.

Referring to FIG. 5 (a), the rotation angle A1 of the knob 10 varies from reverse mode (Reverse: R) to driving mode (Driving: D) or from driving mode (Driving: D) to reverse mode (Reverse: R).

Referring to Figure 5 (b), when the knob 10 rotates clockwise by the user's manipulation, the magnet 30 also rotates clockwise. The Hall sensor 31 measures the electromagnetic field value that changes as the magnet 30 rotates, and the driving mode of the car is switched to driving mode (D). At this time, the roller 46 moves along the cam 50 and when it reaches the top of the inclined surface 52, the spring 42 is compressed to the maximum and movement is restricted. When the user re-operates, the roller 46 returns to its original position, the groove 51, by the elastic force of the compressed spring 42, and the driving mode of the vehicle switches from driving mode (D) to neutral mode (N). You can.

Referring to FIG. 5 (c), when the knob 10 is rotated counterclockwise by the user's manipulation, the magnet 30 is also rotated counterclockwise. The Hall sensor 31 measures the electromagnetic field value that changes as the magnet 30 rotates, and the driving mode of the car is switched to reverse mode (R). At this time, the roller 46 moves along the cam 50 and when it reaches the top of the inclined surface 52, the spring 42 is compressed to the maximum and movement is restricted. When the user re-operates, the roller 46 returns to its original position, the groove 51, by the elastic force of the compressed spring 42, and the driving mode of the vehicle switches from reverse mode (R) to neutral mode (N). You can.

In the above, preferred embodiments of the present invention have been shown and described, but the present invention is not limited to the specific embodiments described above, and can be used in the technical field to which the invention belongs without departing from the gist of the invention as claimed in the patent claims. Of course, various modifications can be made by those of ordinary skill in the art, and these modifications should not be understood individually from the technical ideas or perspectives of the present invention.

10: knob
20: Parking button
30: Magnet
31: Hall sensor
40: roller part
50: Cam

Claims (5)

A knob that changes the vehicle's shift mode to reverse mode (Reverse: R), neutral mode (Neutral: N), and driving mode (Driving: D) by rotating;
Parking button that switches the vehicle's shift mode to parking mode (Parking: P) by pressing it;
a cam that guides the knob to return to its original position after rotation of the knob;
A magnet attached to the knob and rotated with the rotation of the knob; and
An automatic shift control device for a vehicle including a Hall sensor disposed below the magnet and measuring an electromagnetic field value that changes as the magnet rotates. According to paragraph 1,
The knob is,
Annular inner wheel;
an outer wheel rotatably coupled to the outer periphery of the inner wheel in a circumferential direction;
a wheel knob that covers upper sides of the inner wheel and the outer wheel and is coupled to the outer wheel;
a wheel base disposed below the inner wheel and the outer wheel to support the inner wheel;
a bearing disposed between the outer peripheral surface of the inner wheel and the inner peripheral surface of the outer wheel; and
An automatic shift control device for a vehicle including a bracket coupled around the knob and supporting the knob. According to paragraph 1,
An automatic shift control device for a vehicle, including a display unit installed on the upper surface of the parking button and indicating a shift mode to be switched according to a user's operation. According to paragraph 1,
The cam is an automatic shift control device for a vehicle in which an inwardly concave groove is formed in the center of the upper surface, and inclined surfaces protruding upward are formed on both sides of the groove. According to clause 4,
The knob is,
a roller accommodated in the groove and moving in a section between the groove and the stopper;
a roller holder supporting the roller;
An automatic shift control device for a vehicle that connects the roller holder and the knob and includes a spring that is compressed/extended according to movement of the roller.

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