KR20060084234A - Ignition switch apparatus using electronic key and its control method - Google Patents

Abstract

A start switch device using the electronic key according to the present invention and a control method thereof include: a key box housing having a lock groove formed therein; A cam shaft provided in the key box housing and rotating according to the operation of the start key or the start knob and having a plate groove formed at a position corresponding to the lock groove; A stopper plate that is engaged or disengaged from the lock groove of the key box housing while being inserted into the plate groove; An actuator inserted through the lock groove of the key box housing to release the stopper plate caught in the lock groove, or to limit the rotation of the cam shaft at a specific start switch position to achieve a key inter lock function. In this way, the structure of the overall apparatus can be simplified, and the manufacturing cost can be reduced.

Smart Card, Electronic Starter Key, Rotor, Solenoid, Stopper Plate, Key Interlock, Emo Communication, Smart Communication

Description

Ignition switch apparatus using electronic key and its control method             

1 is a longitudinal sectional view showing a conventional start switch device;

2 is a perspective view showing a start switch device using an electronic key according to the present invention;

3 is a side view showing a start switch device using an electronic key according to the present invention;

4 is a longitudinal sectional view of FIG. 3;

5 is a cross-sectional view taken along the line B-B of FIG. 3;

6 is a view showing the main part operating state of the start switch device using the electronic key according to the present invention,

7 is a flowchart illustrating a control method of a start switch device using an electronic key according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: Key Box Housing 1a: Pin Insertion Part

1b: Pin Hole 1c: Spring Seat

1R: Lock groove 2: Start switch housing

3: steering lock housing part 5: starting knob

6: knob cover 7: illumination

8: Emo communication unit 9: Key detection switch

10: Knob press detection switch 11: solenoid actuator

12 solenoid part 13 locking pin

14: return spring 15: control unit

17: start switch unit 21: key rotor

22: rotor housing 23: cam shaft

23a: plate groove 23R: interlock stopper

25: stopper plate 27: elastic member

30: contact holder 31: switch holder

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a start switch device for a vehicle, and more particularly, to a start switch device using an electronic key for enabling a start switch lock release function and a key interlock operation function using one solenoid actuator and a control method thereof. will be.

In general, a start switch device is a device configured to perform a start-off operation or a start-on operation by changing a switch circuit according to a rotation of a car key. It consists of four steps: ACC / ON / START.

1 is a longitudinal cross-sectional view of a conventional start switch device, which is a rotor case 53 fixed in a lock body 51 and a rotor key 53 installed in the rotor case 53 and a start key is inserted into the lock. Rotor 55 is rotated in four steps of LOCK / ACC / ON / START when the plate 54 is aligned, and the rotor 55 is coupled to the end of the rotor 5 to change the start switch 60 circuit It consists of a cam shaft 57 for transmitting the rotational force of the).

The start switch 60 is fixed to the rear end of the lock body 51 and the switch holder 64 having a start switch circuit, and the start switch circuit of the switch holder 64 while being rotated by the cam shaft 57. It is made of a contact holder 62 to change the.

The start switch device as described above allows the rotor 55 to rotate while the lock plate 54 is aligned when the driver inserts the car key, so that the contact holder 62 of the cam shaft 57 and the start switch 60 can be rotated. By turning the key, the start switch of LOCK / ACC / ON / START can be changed.

However, the conventional start switch device as described above has a problem that starting and running is impossible only when the start key is used, so that starting and running of the vehicle are impossible when the start key is lost, and a start key is directly inserted into the key box. There is a problem in that there is a limit in having a start switch structure that can be used more conveniently because it only starts.

On the other hand, the conventional start switch device as described above may include a key inter lock function to rotate the start key from the ACC position to the LOCK position only when the shift lever is positioned at the 'P' end.

Such a key interlock function is typically configured to allow a solenoid actuator installed in the lock body to limit or release rotation of the cam shaft in accordance with a control signal interlocked with a shift lever.

However, the start switch device having the key interlock function as described above has a problem in that the solenoid actuator is installed only for the key interlock function and thus does not implement various functions.

The present invention has been made to solve the above problems, by using a single solenoid actuator to configure not only the key interlock function but also the start switch lock release function, the overall structure is simplified, manufacturing cost can be reduced It is an object of the present invention to provide a start switch device using an electronic key and a control method thereof.

A start switch device using an electronic key according to the present invention for realizing the above object includes a key box housing having a lock groove formed therein; A cam shaft provided in the key box housing and rotating according to the operation of the start key or the start knob and having a plate groove formed at a position corresponding to the lock groove; A stopper plate that is engaged or disengaged from the lock groove of the key box housing while being inserted into the plate groove; An actuator inserted through the lock groove of the key box housing to release the stopper plate caught in the lock groove, or to limit the rotation of the cam shaft at a specific start switch position to achieve a key inter lock function. It is characterized by.

The front portion of the key box housing is provided with a key insertion portion is formed to insert the ignition key, the key rotor is connected to the cam shaft, the front portion of the key rotor is formed so that the driver can rotate Is installed in combination.

The start knob is provided with a knob cover to be detached when the start key is inserted.

The cam shaft is provided with an elastic member for providing an elastic force to the stopper plate.

A side portion of the cam groove of the cam shaft is formed with a space portion in which the elastic member is positioned, and a support portion for supporting the end of the elastic member is formed, and the stopper plate protrudes toward the space portion to protrude the elastic member. Is formed.

The camshaft is provided with an interlock stopper that is applied to the actuator during key interlock operation.

The actuator is a solenoid actuator mounted to the outside of the key box housing and operated while the locking pin protruding into the key box housing linearly moves according to an external signal.

The solenoid actuator may include a solenoid portion generating a driving force in response to a signal from a control unit, a locking pin protruding from the solenoid portion into the lock groove of the key box housing, and a direction in which the driving force is generated when the solenoid portion is supported by the key box housing. And a return spring that provides an elastic force to the locking pin in the opposite direction.

In the control method of the start switch device using the electronic key according to the present invention for realizing the above object, if the ID (ID) combination is approved by smart (SMART) communication or emo (IMMO) communication, lock the start switch A switch lock release step of releasing the switch lock state by operating the solenoid actuator to rotate from the position to the ACC / ON / START position; When the start switch is in the ACC / ON / START position and the shift lever is located at a shift stage other than the 'P' shift stage, the same solenoid actuator is operated so that the start switch does not rotate to the LOCK position. Executing a key interlock; And a key interlock release step of operating the same solenoid actuator to allow the start switch to rotate to the LOCK position when the start switch is in the ACC position and the shift lever is in the 'P' shift stage. do.

In the switch lock release step, the solenoid actuator is ON, and in the key interlock execution step, the solenoid actuator is ON, and in the key interlock release step, the solenoid actuator is OFF.

Between the switch lock release step and the key interlock execution step, when the start switch is rotated from the LOCK position to the ACC / ON / START position with the shift lever at the 'P' shift stage, the solenoid actuator is turned off. .

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

2 and 3 are a perspective view and a side view showing a start switch device using an electronic key according to the present invention.

As shown in the drawing, a key box housing 1 formed of a cylindrical structure having a 'T' shape is provided. The key box housing 1 is divided into two parts. The start switch housing part 2 for enabling the start switch operation and the steering lock are connected in a direction perpendicular to the middle of the start switch housing part 2. (STEERING LOCK) can be divided into a steering lock housing 3 to enable the function.

In the front of the key box housing 1, when the smart communication is made by the use of a smart card (not shown), the start switch is pressed in the key box housing 1 while the lock switch is set to LOCK / ACC / ON / START. There is provided a start knob 5 which can be operated by rotating in four steps.

Here, the start knob 5 is provided with a knob cover 6 detachably coupled to insert an electronic start key (not shown). The knob cover 6 is separated as shown by the dotted line in FIG. 2, and the electronic start key is opened to the open part in the state in which emo (IMMO) communication is made by the electronic start key by opening the start knob 5. By operating the start knob (5) by inserting the start switch can be operated by rotating in four steps of LOCK / ACC / ON / START.

The front part of the key box housing 1 to which the start knob 5 is coupled is provided with an illumination 7, which is a lighting device for indicating the position of the start switch device when the door of the vehicle is opened.

The front circumference of the key box housing 1 is provided with an antenna having a coil structure therein to enable emo communication through communication with the electronic ignition key 8.

At the rear of the emo communication unit 8, a key sensing switch 9 for outputting a signal detected when the electronic ignition key is inserted is located, and below it, a signal for sensing it when the ignition knob 5 is pressed. The knob press detection switch 10 is outputted.

The middle part of the key box housing 1 is provided with a solenoid actuator 11 which is a main component of the present invention, which will be described later, and a control unit 15 capable of controlling the solenoid actuator 11 at the rear thereof. do.

Here, the control unit 15 is operated under the control of the smart ECU (not shown) provided in a specific position of the vehicle, the smart communication with the smart ECU is usually made when using a smart card, the electronic start key When using, the emo communication with the smart ECU is made through the emo communication unit 8, and the smart ECU outputs a control signal to the control unit 15.

Next, a start switch unit 17 is provided at the rear of the key box housing 1 to enable the start switch operation in four steps of LOCK / ACC / ON / START.

An internal structure of the start switch device using the electronic key according to the present invention constituting the above appearance will be described in detail with reference to FIGS. 4 and 5.

4 is a cross-sectional view in the longitudinal direction of FIG. 3, and FIG. 5 is a cross-sectional view in the B-B line direction of FIG. 3.

On the inside of the key box housing 1, a key rotor having a key inserting portion 21a formed so that the start knob 5 and the start knob 5 are coupled to each other and an electronic start key can be inserted from the front ( 21, a cam shaft 23 coupled to the end of the key rotor 21 and rotating along the key rotor 21, and coupled to the end of the cam shaft 23 together with the cam shaft 23. A rotating contact holder 30 and a switch holder 31 which is positioned to face the contact holder 30 and is provided with a starting position circuit is formed.

Here, the rotor housing 22 provided in the key box housing 1 is provided around the key rotor 21.

In particular, the solenoid actuator 11 is provided in the middle portion of the key box housing 1, and the key box housing 1 has a cylindrical pin insertion portion 1a in the direction of the solenoid actuator 11. Protrudes, and a pin hole 1b penetrates into and out of the housing.

Here, the solenoid actuator 11 is a device for releasing the rotation restriction of the cam shaft 23 when the smart communication or emo communication is made by the smart card or the electronic start key, the configuration of the control unit 15 The solenoid part 12 which generates a driving force while generating a magnetic force in accordance with the signal, and protrudes long in the direction of the cam shaft 23 through the pin hole 1b of the key box housing 1 from the solenoid part 12 And a return spring 14 which is supported in the pin hole 1b and provides an elastic force to the locking pin 13 in a direction opposite to the direction in which the driving force of the solenoid portion 12 is generated. .

In addition, the pin hole 1b has a spring seat portion 1c formed in a relatively reduced shape so as to support the return spring 14 at an end thereof, and the return spring 14 is formed at the locking pin 13. This engaging portion 13a is formed.

In particular, the lock groove 1R as shown in FIG. 5 is formed at the side where the cam shaft 23 is located in the pin hole 1b.

The cam shaft 23 is formed with a narrow and long plate groove 23a at a position corresponding to the lock groove 1R.

A stopper plate 25 is inserted into the plate groove 23a, which is engaged or detached from the lock groove 1R formed in the key box housing 1.

The stopper plate 25 is formed of a substantially rectangular plate material that can be inserted into the lock groove 1R and the plate groove 23a at the same time, and is locked by the elastic member 27 provided in the plate groove 23a. The elastic force is provided to protrude in the groove 1R direction.

Here, as shown in FIG. 5, a space portion 23b in which the elastic member 27 is positioned is formed on the side surface of the plate groove 23a and a support portion 23c in which an end of the elastic member 27 is supported. ) Is formed, and protruding portion 25a is formed on the side surface of the stopper plate 25 to protrude toward the space portion 23b to engage the elastic member 27.

In addition, an interlock stopper 23R is formed on the cam shaft 23 to protrude in a fan shape on the outer circumferential surface thereof so as to be engaged or released by the locking pin 13 of the solenoid actuator 11 to perform a key interlock function. .

The control method and operation of the start switch device using the electronic key according to the present invention configured as described above will be described with reference to FIGS. 6 and 7.

6 is a view showing the operation state of the main portion of the start switch device using the electronic key according to the present invention, Figure 7 is a flow chart illustrating a control method of the start switch device using the electronic key according to the present invention.

As shown in FIG. 7, the vehicle equipped with the start switch device of the present invention can be started by a smart communication method using a smart card and an emo communication method using an electronic start key.

First, in the case of using a smart card, if the driver presses the start knob 5 after getting in the driver's seat with the smart card, the ID combination is approved while smart communication with the smart ECU is performed. At this time, since the start knob 5 can be rotated, the start switch device can be operated using the start knob 5.

Next, in the case of using the electronic starting key, when the driver inserts the electronic starting key into the key rotor 21 of the key box housing 1, between the chip provided in the electronic starting key and the emo communication unit 8 The ID combination is approved as well as the emo communication with the smart ECU. At this time, if the electronic start key is rotated, the key rotor 21 can be rotated, and thus the start switch device using the electronic start key can be operated.

Here, when inserting the electronic starter key into the key rotor 21, the knob cover 6 coupled to the starter knob 5 is removed, and then the electronic starter key is opened through the open portion of the starter knob 5. Insert into the rotor 21.

As described above, the operation of the start switch device of the present invention uses the start knob 5 or the electronic start key. Both methods eventually change the switch circuit by rotating the key rotor 21. Therefore, the following description will focus on a method of operating the start switch by rotating the start knob 5.

When the ID combination is approved through smart communication or emo communication as described above, the smart ECU outputs an approval signal to the control unit 15, and the control unit 15 turns on the solenoid actuator 11 to turn on the start switch lock. Will release the state.

That is, as shown in FIG. 6A, when the start switch in which the stopper plate 25 is inserted into the lock groove 1R by the elastic member 27 is locked (locked), the start knob 5 is pressed. As described above, the solenoid actuator 11 is turned on while the smart communication is performed. At this time, the locking pin 13 protrudes toward the cam shaft 23 as shown in FIG. Is pushed into the plate groove 23a to release the start switch lock state.

Accordingly, while the rotation of the cam shaft 23 is freed, as shown in (c), (d) and (e) of FIG. 6, the rotation operation of the start knob 5 becomes possible, and the start switch ACC / ON / START Operation is possible.

On the other hand, the key interlock function using the start switch device according to the present invention as described above are as follows.

When the start lever 5 is rotated to the ACC position as shown in (c) of FIG. 6 while the shift lever (not shown) operated by the driver is located at the 'P' stage (Parking Range), the solenoid actuator (11) is OFF, so that the start knob 5 can be rotated to the ON / START position, as well as to the LOCK position again.

However, when the shift lever is moved from the 'P' stage to another shift stage, that is, the 'R' stage, the 'N' stage, the 'D' stage, and the like, the solenoid actuator 11 according to the signal of the control unit 15. Is turned on while the locking pin 13 protrudes long inside the key box housing 1 to perform key interlock operation. At this time, it is possible to rotate the start knob 5 to the ON or START position as shown in (d) of FIG. 6 to allow the vehicle to run normally while the engine is running, and to start as shown in FIG. The operation of stopping the operation of the engine by rotating the knob 5 again to the ACC becomes possible.

However, as shown in FIG. 6E, the solenoid actuator 11 is turned on so that the locking pin 13 protrudes into the key box housing 1 to catch the interlock stopper 23R of the cam shaft 23. As it is, the key interlock function is achieved which makes it impossible to rotate the start knob 5 from the ACC position to the LOCK position.

Therefore, when the driver moves the shift lever to the 'P' end, the rotation of the cam shaft 23 is stopped because the locking pin 13 is retracted while the solenoid actuator 11 is OFF as shown in FIG. 6 (f). 6, the start knob 5 and the cam shaft 23 are rotated to the LOCK position as shown in FIG.

At this time, the stopper plate 25 is inserted into the lock groove 1R again by the elastic force of the elastic member 27, so that the start switch lock state can be maintained.

The start switch device using the electronic key and the control method thereof according to the present invention configured and operated as described above are capable of locking and releasing the start switch using only one solenoid actuator, as well as key interlock locking and releasing operations. Since this configuration is possible, there is an advantage that the start switch and key interlock control operation structure can be simplified, and the reliability of the control operation can be improved.

In addition, the present invention can be easily applied to a start switch device using another type of electronic key because only one solenoid actuator needs to be added to enable the start switch lock / unlock operation and the key interlock control operation. This has the advantage that several starter switch systems can be shared without major structural changes.

In addition, the present invention is configured to enable two operations as described above using only one solenoid actuator, and the structure of the overall device is simplified because the lock plate and the like, which are conventionally used in the key rotor, are not constituted, and thus manufactured. The cost is also reduced.

In addition, the present invention is provided with a knob cover on the start knob can be opened only when using the electronic start key, the appearance is beautiful, there is an advantage that can prevent the foreign matter and the like enter.

Claims (6)

A key box housing having a lock groove formed therein; A cam shaft provided in the key box housing and rotating according to the operation of the start key or the start knob and having a plate groove formed at a position corresponding to the lock groove; A stopper plate that is engaged or disengaged from the lock groove of the key box housing while being inserted into the plate groove; An actuator inserted through the lock groove of the key box housing to release the stopper plate caught in the lock groove, or to limit the rotation of the cam shaft at a specific start switch position to achieve a key inter lock function. Start switch device using an electronic key, characterized in that. The method of claim 1, The front part of the key box housing is provided with a key rotor which is formed to insert the start key to be connected to the cam shaft, The start switch device using the electronic key, characterized in that the front portion of the key rotor is coupled to the start knob formed so that the driver can rotate. The method of claim 1, The cam shaft is a start switch device using an electronic key, characterized in that the elastic member for providing an elastic force to the stopper plate. The method according to any one of claims 1 to 3, The actuator may be a solenoid actuator mounted on an outer side of the key box housing and operated while the locking pin protruding inward of the key box housing is linearly moved by a relative action of a magnetic force generated by an external signal and a return spring. A start switch device using an electronic key. If the ID combination is approved by SMART or IMMO communication, operate the solenoid actuator to rotate the start switch from the LOCK position to the ACC / ON / START position so that the switch is locked. A switchlock release step of releasing; When the start switch is in the ACC / ON / START position and the shift lever is located at a shift stage other than the 'P' shift stage, the same solenoid actuator is operated so that the start switch does not rotate to the LOCK position. Executing a key interlock; And a key interlock release step of operating the same solenoid actuator to allow the start switch to rotate to the LOCK position if the start switch is in the ACC position and the shift lever is in the 'P' shift stage. How to control the start switch unit using an electronic key. The method of claim 5, wherein In the switch lock release step, the solenoid actuator is turned ON, In the key interlock execution step, the solenoid actuator is turned ON, In the key interlock release step, the solenoid actuator is turned off, Between the switch lock release step and the key interlock execution step, when the start switch is rotated from the LOCK position to the ACC / ON / START position with the shift lever at the 'P' shift stage, the solenoid actuator is turned off. A start switch device control method using an electronic key, characterized in that.

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