KR101704253B1

KR101704253B1 - Button type electronic shift lever system

Info

Publication number: KR101704253B1
Application number: KR1020150127735A
Authority: KR
Inventors: 김은식
Original assignee: 현대자동차주식회사
Priority date: 2015-09-09
Filing date: 2015-09-09
Publication date: 2017-02-07

Abstract

The present invention relates to a button-type electronic speed-change system, in which a shift is completed only when the driver touches a touch button 10 of a desired gear position and then operates the turn button 20 within a predetermined time.

Description

Button type electronic transmission system {BUTTON TYPE ELECTRONIC SHIFT LEVER SYSTEM}

More particularly, the present invention relates to a button-type electronic speed-change system that minimizes the number of buttons for shifting operation, thereby simplifying and simplifying operation, The present invention relates to a button type electronic transmission system capable of preventing a malfunction.

Generally, a vehicle equipped with an automatic transmission controls a hydraulic pressure in a shift range set according to the running speed of the vehicle, so that the transmission of the target shift range is automatically operated.

Automatic transmissions use a hydraulic circuit, planetary gears and friction elements to create gear ratios to perform shifting, and control of these components is handled by a Transmission Control Unit (TCU).

Unlike a conventional mechanical transmission system, the Shift By Wire (SBW) system, which is an electronic transmission system for a vehicle, is an electronic transmission system having no mechanical connection structure such as a cable between a transmission and a shift lever, Or the sensor value generated when the button is operated is transmitted to the shift control unit TCU, the solenoid or the electric motor is operated by the electronic signal commanded by the TCU, and the hydraulic circuit of each shift range is operated by the solenoid or the electric motor, And the electronic control is performed electronically.

Therefore, the automatic transmission based on the SBW can transmit forward (D) and reverse (R), neutral (N), and parking (P) by transmitting the driver's shift intention to the TCU as an electric signal through a simple operation of the electronic shift lever or button. ) Range. Further, the shift lever can be downsized and a large space can be secured between the driver's seat and the passenger's seat.

On the other hand, in a lever type in which a shifting operation is performed by a lever in an electronic transmission system, the operation mode of the shift lever is similar to that of a mechanical type shift lever and there is no great advantage in comparison with a mechanical type. Further, space occupied by the console is still large, There is a disadvantage in that it may be injured by the contact of the passenger's body when an accident occurs due to the protruding lever.

In addition, the button type electronic transmission system that performs the shifting operation with the button is easier to shift than the lever type, and the installation position (centafascia) can be changed to a position other than the console, so that the console space can be utilized effectively (P, R, N, and D stages). However, since the number of buttons is large in each of the speed change stages , The operation is inconvenient, and the layout is disadvantageous in particular due to a large number of buttons.

Further, in the conventional button type electronic speed-change system, each button operated by a driver has a same operation mode for each of the speed change stages (P, R, N, D stages), so that the driver does not see the change- There is a disadvantage that an erroneous operation may occur in the state of operating the button.

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

Korean Patent Publication No. 10-2010-0123150

An object of the present invention is to minimize the number of buttons for shifting operation and thus to simplify and simplify the operation and to minimize the layout and to prevent the erroneous operation of the driver by controlling the direction of rotation of the button The present invention is directed to a button-type electronic transmission system.

According to an aspect of the present invention, there is provided a button type electronic transmission system including a plurality of touch buttons for generating a speed change input signal by a touch of a driver; A single rotary button provided so as to be rotatable in different directions for each speed change stage by a driver pressing the button; A plurality of hinge mechanisms performing a hinge function of the rotary button when the speed change input signal is generated and connected to the rotary button; And a PCB for recognizing the gear position input signal and controlling operation of the hinge mechanism and outputting a gear position change signal to the gear shift controller upon contact of the rotation button.

A button cover having the touch button, the rotation button, and the hinge mechanism; And a base panel on which the PCB is installed; The button cover and the base panel are spaced apart from each other and installed in the console.

And a return spring that is supported at one end by the rotation button and the other end through the PCB and is supported by the base panel to provide a returning force to the operation of the rotation button.

Wherein the touch button comprises a P-step touch button, an R-step touch button, an N-step touch button, and a D-step touch button; And the R-step touch button and the D-step touch button are disposed so as to face each other with the P-step touch button and the N-step touch button facing each other with respect to the rotation button provided on the button cover.

The R-step touch button and the D-step touch button are arranged in the front-rear direction, the P-step touch button and the N-step touch button are arranged in the left-right direction, The P-step touch button is disposed on the left side, and the N-step touch button is disposed on the right side.

Wherein the rotary button has a P-side pressing portion, an R-side pressing portion, an N-pressing portion, and a D-pressing portion; The P-side pressing portion, the R-side pressing portion, the N-pressing portion, and the D-pressing portion are located opposite to the P-step touch button, the R-step touch button, the N-step touch button, and the D-step touch button, respectively; The P-step protrusion, the R-step protrusion, the N-step protrusion, and the D-step protrusion, which are in contact with the PCB when the rotary button is operated, are provided on the underside of the P- And is protruded.

An N-step hinge, a D-step hinge, a P-step hinge, and an R-step hinge are provided on an outer surface on which the P-end depressing portion, the R-end depressing portion, the N-depressing portion, and the D- And the rotary button rotates in different directions about the N-step hinge, the D-step hinge, the P-step hinge, and the R-step hinge part.

The hinge mechanism includes a P-stage hinge solenoid, an R-stage hinge solenoid, an N-stage hinge solenoid, a D-stage hinge solenoid, And a P-stage hinge solenoid rod acting as a hinge of the rotary button to be inserted into or removed from the P-stage hinge portion, the R-stage hinge portion, the N-step hinge portion, and the D-step hinge portion by the action of the solenoid, A solenoid rod, an N-stage hinge solenoid rod, and a D-stage hinge solenoid rod.

One of the P-step touch buttons, the R-step touch buttons, the N-step touch buttons, and the D-step touch buttons is touched to generate one specific gear position input signal; When any one of the protrusions corresponding to the gear stage input signal generated in the P-step protrusion, R-step protrusion, N-step protrusion, and D-step protrusion contacts the PCB within a predetermined time after the specified one speed change step input signal occurs Only the PCB outputs a change-speed-change signal to the change-speed controller.

The P-stage hinge solenoid rod and the N-stage hinge solenoid rod are inserted into the P-stage hinge portion and the N-stage hinge portion, respectively, under the control of the PCB so that the gear stage can be maintained in the P-stage state when the vehicle is turned on And the rotation operation of the button is restrained.

When the touch pad is touched by the driver without the brake pedal being pressed in the state where the speed change stage is P stage, the PCB is controlled so that the P-stage state of the speed change stage is continuously maintained.

If the driver does not touch the touch button or touches one or more touch buttons at the same time or touches one touch button while the driver is pressing the brake pedal and the rotation button is operated within a predetermined time The PCB is controlled so that the P-step state of the speed change stage is continuously maintained.

If the touch button signal is not generated or the signal of one or more touch buttons is generated or the signal is input to the PCB within a predetermined time after the signal of one touch button is generated, The PCB is controlled so as to maintain the current gear stage state.

According to the button-type electronic speed-change system of the present invention, the driver operates the one rotation button to perform the shift operation, so that the number of the buttons for the shift operation can be minimized, , The cost can be reduced, and the layout can be minimized, thereby effectively utilizing the surrounding console space.

In addition, since the shift operation is performed by one rotation button, it is possible to carry out a high-speed shift, and the fatigue of the driver due to the shift operation can be greatly reduced.

In addition, since the shift is completed only after the driver touches the touch button and the rotation button must be operated within a predetermined time, the safety of the shift operation can be ensured through the implementation of the double safety device.

Further, it is possible to prevent the erroneous operation of the driver by changing the direction of rotation of the rotary button for each gear position.

In addition, the traveling direction of the finger for operating the rotation button coincides with the traveling direction and the backward direction of the vehicle, thereby preventing erroneous operation and enabling safe operation.

1 is a view showing a state in which a button type electronic speed-changing system according to the present invention is installed in a console,
2 is a perspective view of a button type electronic transmission system according to the present invention,
Fig. 3 is a bottom perspective view of Fig. 2,
FIG. 4 is a view showing a state in which the PCB and the base panel are removed in FIG. 3,
Fig. 5 is an exploded perspective view of Fig. 2,
6 and 7 are a plan view and a bottom view when the speed change stage of the vehicle is in the P-stage state,
8 to 10 are diagrams for explaining a state when the speed change end of the vehicle is shifted from the P-stage state to the R-stage state,
11 is a flowchart for explaining a process when the speed change stage is shifted from the P-stage state to the D-stage and when the R-stage state is shifted to the D-stage.

Hereinafter, a button type electronic transmission system according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

The button type electronic transmission system according to the present invention includes a plurality of touch buttons 10 for generating input signals of a speed change stage (P, R, N, D) by a touch of a driver as shown in FIGS. 1 to 12; One rotation button 20 installed so as to be rotatable in different directions for each of the speed change stages by a driver's operation; A plurality of hinge mechanisms 30 acting as a hinge of the rotary button 20 when the speed change input signal is generated and connected to the rotary button 20; And a printed circuit board (PCB) 40 for recognizing the input of the speed change stage and controlling the operation of the hinge mechanism 30 and outputting a change speed change signal to the shift control unit TCU upon contact of the rotation button 20, Substrate).

The touch button 10 may be configured as an electrostatic type or a pressure sensitive type, and it is more preferable to use an electrostatic touch panel having a better operation feeling as compared with the pressure type.

In addition, the present invention is also applicable to a button cover (50) having a touch button (10), a rotation button (20) and a hinge mechanism (30) A base panel (60) on which the PCB (40) is installed; And a return spring 70 which is supported on the rotary button 20 at one end and is supported by the base panel 60 through the PCB 40 to provide a returning force to the operation of the rotary button 20; .

The button cover (50) and the base panel (60) are fixedly installed so as to be positioned on the console (1) while being spaced apart from each other in the vertical direction.

The touch button 10 includes a P-step touch button 11, an R-step touch button 12, an N-step touch button 13, and a D-step touch button 14.

A button mounting hole 51 is formed at the center of the button cover 50 and a rotary button 20 is vertically passed through the button mounting hole 51. The rotary button 20 is inserted into the button mounting hole 51, Stage touch button 11 and the N-step touch button 13 are disposed opposite to each other with the R-step touch button 12 and the D-step touch button 14 facing each other.

The R-step touch button 12 and the D-step touch button 14 are disposed in the front-rear direction of the vehicle. The P-step touch button 11 and the N-step touch button 13 are arranged in the left- In order to prevent erroneous operation by matching the progress direction of the driver's finger with the traveling direction of the vehicle when changing the speed change stage, the R-stage touch button 12 is provided on the D-step touch button 14 As shown in Fig.

The P-stage touch button 11 and the N-stage touch button 13 are disposed on the left side and the right side, respectively. However, if necessary, the P-stage touch button 11 and the N- ) May be installed so that the left and right positions are changed.

The rotary button 20 has a P-side pressing portion 20a, an R-side pressing portion 20b, an N-pressing portion 20c, and a D-pressing portion 20d on its upper surface.

The P-side pressing portion 20a, the R-side pressing portion 20b, the N-pressing portion 20c, and the D-pressing portion 20d form grooves having a constant shape on the upper surface of the rotary button 20 They may be represented differently, or they may be written in separate characters or symbols.

The rotary button 20 is configured such that the P-side pressing portion 20a, the R-side pressing portion 20b, the N-pressing portion 20c and the D-pressing portion 20d are respectively connected to the P- The touch panel 12, the N-touch button 13, and the D-touch button 14, as shown in FIG.

For example, when the driver touches the P-stage touch button 11 with his / her finger and then moves his or her finger to directly operate the P-stage pushing portion 20a, it is possible to prevent erroneous operation and to perform a quick shift operation .

When the rotary button 20 is operated, the bottom surface of the P-side pressing portion 20a, the R-side pressing portion 20b, the N-pressing portion 20c and the D- The R-step protrusion 22, the N-step protrusion 23, and the D-step protrusion 24, which are in contact with the PCB 40, protrude toward the PCB 40.

A conductive material is applied to the tips of the P-step protrusions 21, the R-step protrusions 22, the N-step protrusions 23 and the D-step protrusions 24. The PCB 40 has a positive The R-stage protrusion 22, the N-stage protrusion 23, the D-stage protrusion 24 (FIG. 24) The electric signal corresponding to the selected speed change stage is transmitted to the speed change controller 40 through the electrical connection from this time on, The solenoid or the electric motor is operated by the electric signal commanded by the TCU and the hydraulic pressure is applied to or blocked from the hydraulic circuit of each shift stage by the operation of the solenoid or the electric motor, do.

In addition, the present invention is characterized in that, in the rotary button 20, an N-stage is provided on the outer surface on which the P-stage depression 20a, the R-stage depression 20b, the N-stage depression 20c, The hinge portion 25, the D-shaped hinge portion 26, the P-shaped hinge portion 27 and the R-shaped hinge portion 28 are respectively provided. The rotary button 20 includes an N-shaped hinge portion 25, And has a structure in which it rotates in different directions about the hinge section 26, the P-stage hinge section 27, and the R-stage hinge section 28, respectively.

The hinge mechanism 30 includes a P-stage hinge solenoid 31, an R-stage hinge solenoid 32, and an N-stage hinge solenoid (not shown) fixed to the bottom surface of the button cover 50 and operated under the control of the PCB 40 33, a D-stage hinge solenoid 34; And the solenoid is operated to be inserted into or removed from the P-stage hinge portion 27, the R-stage hinge portion 28, the N-stage hinge portion 25 and the D-hinge portion 26, An R-stage hinge solenoid rod 36, an N-stage hinge solenoid rod 37, and a D-stage hinge solenoid rod 38, which serve as hinges of the P-stage hinge solenoid rod 35,

The present invention is characterized in that one of the touch buttons of the P-stage touch button 11, the R-step touch button 12, the N-step touch button 13 and the D-step touch button 14 is touched, Only an input signal is generated; The input of the gear stage input signal generated in the P-stage protrusion 21, the R-stage protrusion 22, the N-stage protrusion 23 and the D-stage protrusion 24 within a predetermined time after the specified one- The PCB 40 outputs the change gear change signal to the shift controller TCU only when any one of the projections touches the PCB 40. [

For example, when the driver touches the D-touch button 14, the signal of the D-touch button 14 is input to the PCB 40, and the PCB 40 sends a current signal to the D-touch hinge solenoid 34 And the D-stage hinge solenoid rod 38 is inserted into the D-shaped hinge section 26 by the operation of the D-stage hinge solenoid 34. In this state, the driver moves the finger within a predetermined time, The D-shaped protrusion 24 is brought into contact with the PCB 40. At this time, the PCB 40 transmits an electric signal corresponding to the selected D-type shift signal to the transmission 40, (TCU), and the shift control is performed electronically by an electric signal commanded by the TCU.

Hereinafter, the operation of the embodiment of the present invention will be described with reference to FIG.

7, the P-step hinge solenoid load (step S1, S2) is controlled by the control of the PCB 40 in order to ensure safety during the initial start-on of the vehicle And the N-stage hinge solenoid rod 37 and the N-stage hinge solenoid rod 37 are inserted into the P-stage hinge portion 27 and the N-stage hinge portion 25, respectively, to restrain the rotation operation of the rotary button 20.

It is preferable that the speed change stage is maintained in the P-stage state for safety even when the vehicle is turned off.

When the driver touches the touch button 10 without the brake pedal being pressed in the state where the speed change stage is the P stage, the PCB 40 is controlled so as to continuously maintain the P- (Steps S3 and S4)

To this end, a signal of the brake pedal sensor is inputted to the PCB 40. [

If the driver has not touched the touch button 10 in the state where the speed change stage is the P stage and the driver depresses the brake pedal, the PCB 40 controls the speed change stage so that the P stage is continuously maintained.

For example, if the R-stage touch button 12 is not touched after the driver depresses the brake pedal for shifting from the P-stage state to the R-stage, the PCB 40 continuously maintains the P- (Steps S5 and S6)

Even when the driver touches the R-step touch button 12 and the touch button of the other gear position at the same time after the driver depresses the brake pedal for the shift from the P-stepped state to the R-stepped position, And the P-stage state is continuously controlled.

On the other hand, when the driver touches the R-step touch button 12 only after the brake pedal is depressed for shifting from the P-stepped state to the R-step, the R-stepped hinge solenoid rod 36 moves forward, And the P-stage hinge solenoid rod 35 and the N-stage hinge solenoid rod 37 are retracted to be pulled out from the P-stage hinge portion 27 and the N-stage hinge portion 25, respectively. (Step S7)

If the input signal by the rotary button 20 is not generated by the PCB 40 within a predetermined time after the step S7 (about 2 seconds), that is, if the R-stepped projection 22 does not contact the PCB 40, The PCB 40 controls the speed change stage so that the P-stage state is continuously maintained (steps S8 and S9). [

However, if the R end protrusion 22 comes into contact with the PCB 40 by pressing the R end push portion 20b of the rotary button 20 within a certain period of time (about 2 seconds) after Step S7, Shifts to the R-stage to the docking station controller, so that the shifting to the R-stage is completed through the vehicle. (Step S10)

8 to 10 are views showing the operation state of the rotary button 20 when shifting to the R-stage, and a detailed description thereof will be omitted.

In order to perform the shift from the state where the current gear position is the R position after completion of the shift to the R position to the D position in the other gear position, the driver must perform the operation of touching the D-step touch button 14, If the driver does not touch the D-touch button 14, the PCB 40 controls the gear stage so that the R-stage state is continuously maintained (steps S11 and S12). [

However, when the driver touches the D-touch button 14 for shifting from the R-stage to the D-stage, the D-stage hinge solenoid rod 38 moves forward to the D-hinge section 26 And at the same time, the R-stage hinge solenoid rod 36 is retracted and released from the R-stage hinge portion 28. (Step S13)

If the input signal by the rotation button 20 is not generated by the PCB 40 within a predetermined time after the step S13 (about 2 seconds), that is, if the D-shaped protrusion 21 does not contact the PCB 40, 40 are controlled so that the gear position is maintained in the R-step state continuously (steps S14, S15)

However, if the driver pushes the D-side push portion 20d of the rotary button 20 and the D-stage protrusion 24 comes into contact with the PCB 40 within a certain period of time (about 2 seconds) after Step S13, Shifts the signal to the D-stage to the docking controller so that the shifting to the D-stage is completed through the vehicle. (Step S15)

As described above, according to the embodiment of the present invention, the number of the buttons for the shift operation can be minimized by a configuration in which the driver operates the single rotary button 20 to perform the shift operation. It is easy, simple, cost-effective, and minimizes the layout, so that the surrounding console space can be utilized effectively.

In addition, since the shifting operation is performed by the single rotation button 20, it is possible to perform a quick shifting operation, and the fatigue of the driver due to the shift operation can be greatly reduced.

In the present invention, the shift is completed only when the driver touches the touch button 10 and then the rotation button 20 must be operated within a predetermined time, and safety of the shift operation is ensured through the implementation of the double safety device There are advantages to be able to.

Further, the present invention also has an advantage in that erroneous operation of the driver can be prevented by making the rotational direction of the rotary button 20 different for each gear position.

In addition, the present invention has a structure in which the advancing direction of the finger for operating the rotary button 20 coincides with the running direction and the backward direction of the vehicle, thereby preventing erroneous operation and safe operation.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

10 - Touch Button 20 - Rotate Button
30 - Hinge mechanism 40 - PCB
50 - Button cover 60 - Base plate
70 - return spring

Claims

A plurality of touch buttons for generating a gear position input signal by a touch of a driver;
A single rotary button provided so as to be rotatable in different directions for each speed change stage by a driver pressing the button;
A plurality of hinge mechanisms performing a hinge function of the rotary button when the speed change input signal is generated and connected to the rotary button; And
And a PCB for recognizing the speed change input signal and controlling the operation of the hinge mechanism and outputting a change speed change signal to the speed change controller upon contact of the rotation button.

The method according to claim 1,
A button cover having the touch button, the rotation button, and the hinge mechanism; And
Further comprising: a base panel on which the PCB is mounted;
Wherein the button cover and the base panel are mounted on the console in a spaced-apart relationship.

The method of claim 2,
Further comprising a return spring which is supported at one end by a rotation button and whose other end is supported by the base panel through the PCB to provide a returning force to the operation of the rotation button.

The method of claim 2,
Wherein the touch button comprises a P-step touch button, an R-step touch button, an N-step touch button, and a D-step touch button;
Wherein the P-step touch button and the N-step touch button are disposed opposite to each other with respect to a rotation button provided on the button cover, and the R-step touch button and the D-step touch button are opposed to each other.

The method of claim 4,
The R-step touch button and the D-step touch button are arranged in the front-rear direction, the P-step touch button and the N-step touch button are arranged in the left-right direction, Wherein the P-step touch button is disposed on the left side and the N-step touch button is disposed on the right side. Type electronic transmission system.

The method of claim 5,
Wherein the rotary button has a P-side pressing portion, an R-side pressing portion, an N-pressing portion, and a D-pressing portion;
The P-side pressing portion, the R-side pressing portion, the N-pressing portion, and the D-pressing portion are located opposite to the P-step touch button, the R-step touch button, the N-step touch button, and the D-step touch button, respectively;
The P-step protrusion, the R-step protrusion, the N-step protrusion, and the D-step protrusion, which are in contact with the PCB when the rotary button is operated, are provided on the underside of the P- And wherein the electronic control unit is installed so as to protrude.

The method of claim 6,
An N-step hinge, a D-step hinge, a P-step hinge, and an R-step hinge are provided on an outer surface on which the P-end depressing portion, the R-end depressing portion, the N-depressing portion, and the D-
Wherein the rotary button rotates in different directions about the N-step hinge, the D-step hinge, the P-step hinge, and the R-step hinge part.

The method of claim 7,
The hinge mechanism includes a P-stage hinge solenoid, an R-stage hinge solenoid, an N-stage hinge solenoid, a D-stage hinge solenoid, And
A P-stage hinge solenoid rod acting as a hinge of the rotary button to be inserted into or detached from the P-stage hinge portion, the R-step hinge portion, the N-step hinge portion, and the D-step hinge portion by the action of the solenoid, A rod, an N-stage hinge solenoid rod, and a D-stage hinge solenoid rod.

The method of claim 8,
One of the P-step touch buttons, the R-step touch buttons, the N-step touch buttons, and the D-step touch buttons is touched to generate one specific gear position input signal;
When any one of the protrusions corresponding to the gear stage input signal generated in the P-step protrusion, R-step protrusion, N-step protrusion, and D-step protrusion contacts the PCB within a predetermined time after the specified one speed change step input signal occurs Only PCB outputs a change-speed-change signal to the shift controller.

The method of claim 9,
The P-stage hinge solenoid rod and the N-stage hinge solenoid rod are inserted into the P-stage hinge portion and the N-stage hinge portion, respectively, under the control of the PCB so that the gear stage can be maintained in the P-stage state when the vehicle is turned on And the rotation of the button is restrained.

The method of claim 10,
Wherein when the touch button is touched by the driver in a state where the speed change stage is P stage, the PCB controls the P-stage state of the speed change stage to be continuously maintained for the implementation of the seat fold. Electronic transmission system.

The method of claim 10,
If the driver does not touch the touch button or touches one or more touch buttons at the same time or touches one touch button while the driver is pressing the brake pedal and the rotation button is operated within a predetermined time The control unit controls the PCB to continuously maintain the P-step state at the speed change stage.

The method of claim 10,
If the touch button signal is not generated or the signal of one or more touch buttons is generated or the signal is input to the PCB within a predetermined time after the signal of one touch button is generated, And if not, controls the PCB to maintain the current gear stage state.