JPH08246732A - Door lock device - Google Patents

Abstract

(57) [Summary] [Purpose] Even when the key cylinder is manually operated to lock and unlock, the identification code check function equipped in the keyless entry system is effectively used to prevent theft due to unauthorized locking and unlocking. Provided is a door lock device capable of preventing unauthorized intrusion. [Structure] When a key 31 is inserted into a key cylinder 33 of a door lock device 30, an identification code for locking and unlocking set in a transmitter of the key 31 is an entry which is a component of a keyless entry system. A key cylinder sensor unit 80 that enables the control unit 42 to read is provided. Furthermore, the integration relay 40 that controls the locking / unlocking operation of the mechanism has a predetermined anti-theft process when the key cylinder 33 is locked / unlocked even though the entry control unit 42 cannot read the proper identification code from the key 31. Is a configuration for executing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock device suitable for use as an opening / closing door of a vehicle.

[0002]

2. Description of the Related Art As a door lock device for an automobile, a mechanical unit having a striker (locking metal fitting) fixed to a vehicle body side and a latch that can be engaged and disengaged is incorporated in a door body. The latch and the striker can be engaged and disengaged by operating an inside handle provided on the inside panel of the door and an outside handle provided on the outside panel for opening and closing the door. Also,
Various things that can be engaged or disengaged between the latch and the striker by operating a door inside lock knob arranged on the inside panel of the door or a key cylinder arranged on the outside panel of the door. Is being developed.

Recently, as mentioned above, the lock mechanism for locking and unlocking the key by inserting the key into the key cylinder has been electrified. In addition to the electrified lock mechanism, infrared rays emitted from the transmitter embedded in the key are also transmitted. A keyless entry system that switches the operating state of the lock mechanism to a locked state or an unlocked state in a contactless manner by a signal or an FM modulated signal is provided, and various door lock devices with improved convenience have been developed.

In parallel with the development of such a door lock device, a system for preventing theft has been actively developed.

6 to 8 show a conventional door lock device having a keyless entry system in addition to the electric door lock mechanism as described above. FIG. 6 shows an electric door lock for passenger cars. FIG. 7 is a schematic configuration diagram of the mechanism 1, FIG. 7 is a schematic configuration diagram of a keyless entry system 2 for passenger cars,
FIG. 8 shows the installation positions on the vehicle of the components of the electric door lock mechanism 1 and the keyless entry system 2 as described above.

As shown in FIG. 6, a conventional electric door lock mechanism 1 is for a four-door passenger car, and is a driver door lock mechanism 3, a passenger door lock mechanism 4, and a right rear door lock. The operation of the mechanism 5 and the door lock mechanism 6 for the left rear seat is controlled by an integration relay 7, which is a central processing unit (CPU) that monitors the presence or absence of detection signals from sensors and lock / unlock instruction signals. is there.

Each door lock mechanism 3, 4, 5, 6
Are built in the corresponding door bodies, and are motors 9 for engaging and disengaging the latches mounted on the door side with respect to the striker fixed to the body side of the vehicle.
And a position switch 10 for detecting whether the operating state of each lock mechanism is the locked state or the unlocked state. The operation of each motor 9 is the same as that of the integration relay 7
Controlled by. Also, each position switch 10
The detection signal of is notified to the integration relay 7.

Sensors for sending a detection signal to the integration relay 7 include a driver's seat courtesy lamp switch 12 and an unlock warning switch 1 for detecting and notifying that the lock mechanism is unlocked.
3, a combination meter (speed sensor, etc.) 14 for detecting the traveling speed of the vehicle, etc. are applicable. Further, as means for sending a lock / unlock instruction signal to the integration relay 7, a door control switch 16 interlocked with key operation, a power window regulator master switch 17 mounted on the inside panel of the door on the driver's side, etc. Is applicable.

The power window regulator master switch 17 is provided with a lock / unlock instruction signal for switching the operating states of the window glass of all doors and the lock mechanism of each door to a locked state or an unlocked state. It is equipped with a switch or the like for sending to the integration relay 7. The door control switch 16 and the position switch 10 of the driver's door lock mechanism 3 send a lock / unlock instruction signal and a signal indicating the operating state of the lock mechanism to the integration relay 7 via the power window regulator master switch 17. It is configured to deliver.

On the other hand, as shown in FIG. 7, the conventional keyless entry system 2 has a lock / unlock instruction signal 21 sent from a transmitter incorporated in the key 20.
Is received by the entry control unit (receiver) 24 via the antenna 22 and the distributor 23, and a predetermined locking / unlocking process is executed. The lock / unlock instruction signal 21 is sent to the entry control unit 24 after being separated from the FM wave for the radio tuner by the distributor 23 by the FM coded radio wave of the identification code information and the locking / unlocking command.

The entry control unit 24
Receives a detection signal and a control signal from the main switch 25, the driver's seat courtesy lamp switch 12, the unlock warning switch 13 and the like, and outputs the received lock / unlock instruction signal to the integration relay 7. Then, the integration relay 7 controls the operation of the motor 9 of the door lock mechanism 3, 4, 5, 6 of each door. The operation state of each door lock mechanism 3, 4, 5, 6 is notified to the integration relay 7 by the position switch 10 via the entry control unit 24.

The arrangement positions of the main components of the above electric door lock mechanism 1 and keyless entry system 2 are as follows:
This is as shown in FIG. That is, the unlock warning switch 13 of the electric door lock mechanism 1, the main switch 25 of the keyless entry system 2, the integration relay 7, and the like are all arranged on the front panel or the like in front of the driver's seat. The driver's seat courtesy lamp switch 12 is arranged on the inner side surface or the end surface on the opening / closing side of the door, and the antenna 22 is mounted on the back window 26.

Also, the antenna 22 of the back window 26
The lock / unlock instruction signal received by is sent to the distributor 23 built in the antenna amplifier 27 embedded in the rear pillar around the back window 26. It is sent to the entry control unit 24 arranged on the trunk side by the branching function of the distributor 23. The electric components that make up the electric door lock mechanism 1 and the keyless entry system 2 described above are connected to a wire harness laid inside the body of the vehicle or the inside of the door by a connector so that the electric power can be fed between the electric components and the electric components. It is possible to send and receive control signals of the above.

[0014]

By the way, in the door lock device equipped with the keyless entry system 2 as described above, the transmitter built in the key 20 of the keyless entry system 2 is the same as the battery installed in the key 20. Normal consumption may not be possible due to exhaustion. In this case, the key 20 is inserted into a key cylinder provided on the outside handle of the door, and the operating state of the lock mechanism is locked or locked by the manual operation of the key 20 as in the case of the manual door lock mechanism. It is possible to switch to the released state.

However, in the conventional key cylinder, the key 2
When there is no function to read the identification code and the like held by the transmitter inside 0, and when the operating state of the lock mechanism is switched by manually operating the key cylinder, the entry control unit 2 of the keyless entry system 2
There was a problem that the identification code check function etc. equipped in 4 did not work at all.

That is, the identification code check function and the like are
It is a function that can be effectively used for preventing unauthorized entry into the vehicle and for preventing theft of the vehicle, etc.In the conventional door lock device described above, even if it has the identification code check function, When the cylinder is locked and unlocked by the manual operation of the key 20, the function cannot be effectively operated. For example, when the key cylinder is operated by a tool other than the dedicated key 20 to lock and unlock the key illegally, there arises a problem that such an unauthorized operation cannot be effectively detected and the alarm cannot be effectively used. .

Further, in the conventional case, the key control door control switch 16 is installed in the key cylinder of the outside handle of the driver's side door, and the locking mechanism of all doors is operated by locking and unlocking the driver's side door. It switches the operating state of and sends a signal to release the security function. However, with such a switch arrangement, it is difficult to connect the key cylinder to the link mechanism, and the wiring harness in the door is routed in a detour route so as not to obstruct the window lifting (interference). It must be made. Therefore, there arises a problem that the assemblability of the mechanism is deteriorated and the workability of the wire harness wiring is deteriorated, which makes it difficult to improve the productivity.

An object of the present invention is to solve the above problems. Even when the lock mechanism of the door is locked / unlocked by the manual operation of the key cylinder, the identification code check function and the like equipped in the keyless entry system. Provide a door lock device that can work effectively to prevent theft and unauthorized intrusion due to unauthorized locking and unlocking, and improve workability such as wiring harness installation and door assembly. To do.

[0019]

The above object of the present invention is to provide a key having a transmitter for transmitting a lock / unlock instruction signal for switching an operating state of a door lock mechanism to a lock state or an unlock state. A key cylinder that is locked and unlocked by inserting a key and a latch that can be engaged with and disengaged from a striker that is fixed to the body of a vehicle etc. is locked or locked by the locking and unlocking operation using the key or the outside handle of the door. The door lock control board equipped with a mechanical unit that has a mechanism for setting the unlocked state, the entry control unit that receives and processes the lock / unlock instruction signal transmitted from the key transmitter, and the operating state of the lock mechanism. Door control model that drives mechanical parts on the mechanical unit to switch , A position switch that detects whether the lock mechanism is in the locked or unlocked state, and a lock / unlock instruction signal or a position switch detection signal that is received via the entry control unit. Equipped with an integration relay that controls the operation of the door control motor,
A door lock device configured to switch the operating state of a lock mechanism by either transmitting a lock / unlock instruction signal from a key transmitter or locking / unlocking operation by inserting the key into a key cylinder. The cylinder is equipped with a key cylinder sensor that allows the entry control unit to read the locking and unlocking identification code set on the key transmitter when the key is inserted. This is achieved by a door lock device characterized in that the integration relay executes a predetermined antitheft process when the key cylinder is locked and unlocked without reading the identification code.

Further, in the above door lock device, on the door lock control board, in addition to the entry control unit, a door control motor,
The above object can be achieved by a structure in which electric parts such as a position switch and a key cylinder sensor part are mounted, and a door lock connector for connecting a connector to a wire harness is mounted on each mounted electric part.

Further, in the above door lock device,
The mechanical unit and the door lock control board are unitized separately from each other and can be assembled and integrated in the door to achieve the above object.

Further, in the above door lock device, the key cylinder sensor part has a built-in rotary plate which rotates in conjunction with the rotational operation of the key inserted in the key cylinder to generate a lock / unlock instruction signal. The above-described object can be achieved by the configuration thus configured.

[0023]

According to the above configuration of the present invention, when the key is inserted, the key cylinder sensor section that enables the entry control unit to read the identification code for locking and unlocking set in the transmitter of the key. Equipped on the key cylinder. Further, in the integration relay that constitutes the keyless entry system, a predetermined antitheft process is executed when the key cylinder is locked / unlocked while the entry control unit cannot read the proper identification code from the key. That is, even when the door lock mechanism is locked / unlocked by the manual operation of the key cylinder, the identification code check function, etc., provided in the entry control unit, which is a component of the keyless entry system, can be effectively used to perform unauthorized locking / unlocking. It is possible to prevent theft and unauthorized intrusion with a lock.

On the door lock control board, in addition to the entry control unit, electric components such as a door control motor, a position switch and a key cylinder sensor unit are mounted, and a wire harness is mounted on each mounted electric component. It is equipped with a door lock connector for connector connection. It becomes possible to compactly and integrally arrange a plurality of electric parts to be equipped near the key cylinder as a single unit. Therefore, it is possible to improve the assemblability of these electric parts to the door and simplify the wiring route of the wire harness in the door to improve the productivity.

Further, in the above door lock device,
The mechanical unit and the door lock control board are unitized separately from each other, and are assembled and integrated in the door. Therefore,
The mechanical unit itself is an assembly of mechanical parts whose electric parts are separated on the door lock control board side, and can be used for non-electric lock mechanism etc.
It is possible to reduce the manufacturing cost by making the mechanical unit common and mass-producing it.

Further, in the key cylinder sensor section,
It has a built-in rotary plate that rotates in conjunction with the rotation operation of the key inserted in the key cylinder to generate a lock / unlock instruction signal. Therefore, it is not necessary to carry out a wiring work for a signal wire on the key cylinder, and it is possible to improve the wiring property of the wire harness in the door equipped with the key cylinder.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the door lock device according to the present invention will be described in detail with reference to FIGS. 1 is an exploded perspective view showing an embodiment of a door lock device according to the present invention, FIG.
1 is a plan view showing the installation positions of the main constituent elements on the vehicle in FIG. 1, FIG. 3 is an explanatory view of the keyless entry system in FIG. 1, and FIG. 4 is an assembled state of the door lock mechanism from the direction of arrow A in FIG. FIG. 5 is an exploded perspective view of the key cylinder in FIG. 1.

The door lock device 30 of this embodiment is used for an opening / closing door of a vehicle and has a structure including an electric door lock mechanism and a keyless entry system. First, the configurations of the electric door lock mechanism and the keyless entry system in this embodiment will be described.

As shown in FIGS. 1, 3 and 4, the electric door lock mechanism transmits a lock / unlock instruction signal for switching the operating state of the electric door lock mechanism to the locked state or the unlocked state. A mechanical unit 36 having a key 31 having a built-in transmitter, a key cylinder 33 into which the key 31 is inserted and operated to be locked and unlocked, and a latch 35 that can be engaged and disengaged with a striker 34 that is fixedly installed on the vehicle body side. And a lock / unlock plate 37 which is a mechanical member mounted on the mechanical unit 36.
(See FIG. 4), a door lock control board 39 equipped with a door control motor 38 for switching the operating state of the lock mechanism, and an integration relay 40 which is a CPU for controlling the operation of the door control motor 38 (see FIG. 4). 3)) as a basic configuration.

On the other hand, as shown in FIG. 3, in the keyless entry system of this embodiment, the lock / unlock instruction signal sent from the transmitter incorporated in the key 31 is sent to the entry control unit via the antenna 22 and the distributor 23. The receiver 42 receives and executes a predetermined locking / unlocking process. This lock / unlock instruction signal is sent to the entry control unit 42 after being separated from the FM wave for the radio tuner by the distributor (antenna amplifier) 23 by the FM modulated radio wave of the identification code information and the locking / unlocking command.

The entry control unit 42
Is mounted on the door lock control board 39 mounted on the driver's side door, and the integration relay 4 transmits the identification code information read from the lock / unlock instruction signal received from the distributor 23 and the locking / unlocking command.
Output to 0.

In addition to the signal from the entry control unit (receiver) 42, the integration relay 40 includes a main switch 25, a driver's seat courtesy lamp switch 12, an unlock warning switch 13
Etc. receive detection signals and control signals. Then, when the proper identification code information can be confirmed, the operation of the door control motor 38 provided as a lock mechanism in each door is controlled based on each received signal to lock the operation state of the lock mechanism of each door. State or unlocked state.

In both the door lock unit 44 installed on the door on the driver's side and the door lock unit 45 installed on the doors on the other seats, the operating state is either locked or unlocked. A position switch 46 is provided to notify the integration relay 40 of whether there is any. That is, in the case of the position switch 46 mounted on the door lock unit 44, the operating state is transmitted to the integration relay 40 via the door master switch 49 mounted on the inside panel 48 of the driver's side door.

The above-mentioned door lock units 44, 45,
The installation positions of the integration relay 40, the antenna 22, the distributor 23, etc. on the vehicle are arranged as shown in FIG. That is, the driver's door lock unit 44 is arranged in the driver's door panel, and the other door lock units 45 are arranged in the corresponding door panels. Also,
The integration relay 40 is installed near the dashboard in front of the driver's seat, the antenna 22 is installed on the back window 26, and the distributor 23 is installed on the rear pillar around the back window 26.

The mechanical unit 36 shown in FIGS. 1 and 4.
The door lock control board 39 and the door lock control board 39 are unitized, and by being assembled, a door lock unit 44 for the driver side door, which is an integrated assembly, is formed. In this mechanical unit 36, a key cylinder 33 is mounted on a main plate 51 made of a metal plate, and a lock / unlock plate 37 driven by a door control motor 38, an outside handle plate 52, an inside handle plate 53, a latch lever 54. It is equipped with mechanical parts such as. This outside handle plate 52
The lock state is released when is pushed down by the link 59 that moves up and down in conjunction with the outside handle 58 attached to the outside panel 57 of the driver side door 56.

Further, the inside handle plate 5
3 is operated by a wire 61 that advances and retreats in conjunction with an inside handle 60 attached to the inside panel 48 of the driver side door 56, and the locked state is released. Further, the latch lever 54 has an engaging claw for latching 3
The latch 35 and the latch lever 54 are always biased in the direction of the broken arrow shown in FIG. 4 by a spring or the like.

Further, the lock / unlock plate 37 is mechanically connected to a mechanism connecting portion 65 fixed to a door control motor 38 installed on a door lock control board 39 via a worm wheel 64. There is. The locking / unlocking operation is performed in conjunction with the sliding operation of the mechanism connecting portion 65. The worm wheel 64 is equipped with an electrode portion (not shown) that switches the contact position with the electrode pattern formed on the door lock control board 39 when the worm wheel 64 rotates. Therefore, it functions as the position switch 46 that indicates whether the lock state or the unlock state is set during the turning operation.

As shown in FIG. 4, when the lock / unlock plate 37 is rotated from the unlock side to the lock side, the outside handle plate 52 is moved to the outside panel 57 side accordingly. Even if the outside handle 58 is operated from the outside of the vehicle and the link 59 descends in such a locked state, the outside handle plate 52 is pushed down. However, the outside handle plate 52 is already attached to the outside panel 57.
Since the displacement to the side has been completed, it becomes impossible to rotate the latch lever 54 in the direction opposite to the broken line arrow, and the latch 35 does not enter the unlatched state.

When the lock / unlock plate 37 is in the locked state, the stopper 66 provided at one end of the outside handle plate 52 moves to the outside panel 57 side to move the inside handle plate 5
3 to prevent the inside handle plate 53 from rotating in the unlocking direction. Therefore, even if the door is opened by the inside handle 60, the latch lever 54 does not disengage from the latch 35, and the locked state is maintained.

As shown in FIG. 5, the key 31 is an electrode 7 connected to a built-in transmitter on both side edges of the plate-like portion 71 inserted into the key insertion hole 70 of the key cylinder 33 on the base end side.
2 is provided, and the plate-like portion 7 is provided on the tip side of the plate-like portion 71.
1 has a configuration in which a keyway 73 is provided along the longitudinal direction.

The key cylinder 33 is the mechanical unit 3
It is held by a block-shaped door lock main body 74 fixedly mounted on the main plate 51 of No. 6. That is, the key cylinder 33 has a key cylinder mounting hole 75 formed in the door lock body 74 and a key cylinder mounting hole 75.
A substantially cylindrical cylinder holder 76 to be inserted into the cylinder holder 76, a substantially cylindrical resin cylinder 77 mounted inside the cylinder holder 76, a main cylinder 78 mounted in the resin cylinder 77, and a door lock control.・
The key cylinder sensor unit 80 is formed by cooperating with the electrode unit 79 formed on the board 39.

An electrode connecting portion 82 for electrically connecting with the electrode 72 of the inserted key 31 is provided on the inner peripheral portion on the front end side of the resin cylinder 77, and on the outer peripheral portion on the rear end side,
The electrode connecting portion 82 is equipped with a sensor electrode 83 which is electrically connected by a lead wire.

The main cylinder 78 has a substantially columnar shape, and the electrode connecting portion 82 and the key 3 are provided on the tip side.
Slit-shaped slit portion 85 through which the plate-shaped portion 71 of No. 1 can be inserted
Is formed, and the plate-shaped portion 7 is formed inside the slit portion 85.
A key insertion hole 70 into which 1 is inserted is formed. The rear end portion of the main cylinder 78 is provided with a projecting plate-shaped rotating plate connecting portion 86 that transmits the rotation to other members when the main cylinder 78 is rotated by the rotation operation of the key 31. There is.

An appropriate number of lock pattern plates 87 are mounted on the main cylinder 78 so as to intersect the key insertion holes 70. The lock pattern plate 87 is for detecting the key groove 73 of the key 31, and is attached to the main cylinder 78 through an opening 89 formed in the resin cylinder 77 with the main cylinder 78 attached to the resin cylinder 77. can do.

Further, this lock pattern plate 87
When mounted on the main cylinder 78, the spring is urged in a direction projecting into the opening 89 by a spring 91 interposed between the spring and the main cylinder 78. Also,
The tip of the main cylinder 78 is a resin cylinder 77.
, And protrudes toward the front end side of the resin cylinder 77, and a connecting plate 92 is attached to the protruding part. As shown in FIG. 4, this connecting plate 92
Is for transmitting the rotation of the main cylinder 78 to the lock / unlock plate 37 and the like via a link 93.

The cylinder holder 76 has a cylindrical shape which is fitted onto the resin cylinder 77, and a lock pattern plate / lock portion 94 having the same opening is provided at a portion corresponding to the opening 89 of the resin cylinder 77. There is. When the lock pattern plate 87 projects from the lock pattern plate / lock portion 94, the lock pattern plate / lock portion 94 interferes with the peripheral portion of the opening to rotate the main cylinder 78. Prevent. Further, when the key 31 is inserted into the key insertion hole 70, the lock pattern plate 87 is properly buried in the main cylinder 78 by the key groove 73 of the key 31, and the lock pattern plate 87 is It does not project from the lock portion 94.

Further, in the key cylinder mounting hole 75,
A lock pattern plate / lock portion 94 to which a resin cylinder 77 and a main cylinder 78 are assembled is attached. However, when mounted in the key cylinder mounting hole 75, the sensor electrode 83 of the resin cylinder 77 and the rotary plate connecting portion 86 of the main cylinder 78 are both key cylinder sensor portion 80 on the rear end side of the key cylinder mounting hole 75. It projects to the side.

The key cylinder sensor portion 80 includes a main cylinder connecting portion 95 fitted at the rear end of the key cylinder mounting hole 75, an electrode portion 79 printed on the door lock control board 39, and the main cylinder connecting portion 95. The rotary plate 96 is rotatably sandwiched between the cylinder connecting portion 95 and the electrode portion 79. The main cylinder connecting portion 95 has a first cylindrical portion 98 fixed to the rear end of the key cylinder mounting hole 75 and a second cylindrical portion 99 defining a space for accommodating the rotary plate 96.
And a partition wall 100 located at the boundary between these cylindrical portions 98, 99. An electrode 102 to which the sensor electrode 83 of the resin cylinder 77 is electrically connected is provided on the inner peripheral portion of the first cylindrical portion 98.

The rotary plate 96 comprises a shaft portion 104 with a slit fitted and connected to the rotary plate connecting portion 86 of the main cylinder 78, and a substantially fan-shaped plate portion 105 integrated with the shaft portion 104. Is done. The plate portion 105 includes a main cylinder connecting portion 95.
The electrode 102 of the door lock control board 39
A current-carrying terminal portion 107 that is selectively connected to the upper electrode portion 79 is provided.

The energizing terminal portion 107 is used for the key cylinder 3
The key 31 inserted in 3 is rotated in association with the rotation operation of the key 31, and a lock / unlock instruction signal is generated by selective connection with the electrode portion 79 formed on the door lock control board 39. This lock / unlock instruction signal is read by the entry control unit 42 on the door lock control board 39,
The integration relay 40 is notified.

When the key 31 is inserted, the key cylinder 33 described above uses the key cylinder sensor section 80 to provide the lock / unlock identification code set in the transmitter of the key 31 via the key cylinder sensor section 80. Board 3
9 to the entry control unit 42. The entry control unit 42 can read the identification code. In addition, the integration relay 40, when the entry control unit 42 cannot read the proper identification code from the key 31 but the key cylinder is locked and unlocked,
The anti-theft system is activated, and a predetermined anti-theft process such as ringing of the horn or driving of a headlamp is executed.

The key cylinder sensor portion 80, which is a component of the key cylinder 33, is a frame for supporting the door lock control board 39 as a component of the unit of the door lock control board 39 as shown in FIG. It is assembled to the body 108. Then, when the door lock control board 39 and the mechanical unit 36 that have been assembled as a unit are further assembled, they are completed as the key cylinder 33 by combining with other key cylinder parts mounted on the door lock main body 74. .

The door lock control board 39 is a circuit board on which a circuit pattern is formed to be electrically connected to the lead terminals of the respective electronic components to be mounted, and as described above, in addition to the entry control unit 42,
Door control motor 38, position switch 4
6. The electronic components such as the key cylinder sensor unit 80 are mounted. Further, each of the mounted electrical parts is equipped with a door lock connector 111 for connecting a door wire harness 110 (see FIG. 1) to the key cylinder 33.
It has a structure in which the electric components to be arranged around the are unitized.

Next, the key 3 is attached to the key cylinder 33 described above.
A case where 1 is inserted and locking / unlocking is performed manually will be described. First, when the plate-shaped portion 71 of the key 31 is inserted into the key cylinder 33, the plurality of lock pattern plates 87 mounted on the main cylinder 78 by the key groove 73 of the plate-shaped portion 71 locks the cylinder holder 76. The position of the main cylinder 78 is corrected to a neutral position where it does not project to the pattern plate lock portion 94, and the main cylinder 78 is rotatable in the cylinder holder 76.

The electrode 72 of the key 31 is electrically connected to the electrode 102 of the key cylinder sensor portion 80 via the electrode connecting portion 82 on the resin cylinder 77 and the sensor electrode 83. Then, when the key 31 is rotated to rotate the main cylinder 78, the energizing terminal portion 107 on the rotating plate 96 and the electrode portion 79 on the door lock control board 39 which rotate in synchronization with the main cylinder 78.
The electrical connection point with changes. Therefore, the identification code information set in the transmitter built in the key 31 and the lock / unlock instruction signal corresponding to the rotating operation of the key 31 are read by the entry control unit 42 on the door lock control board 39,
It will be output to the integration relay 40.

Further, as a mechanical operation, the rotation of the main cylinder 78 causes the connecting plate 92 and the link 9 to rotate.
3 is transmitted to the lock / unlock plate 37, and manual locking / unlocking is achieved.

The door lock device 3 of this embodiment described above
In the case of 0, when the key 31 is inserted, the key cylinder 33 is equipped with the key cylinder sensor unit 80 which enables the entry control unit 42 to read the identification code for locking and unlocking set in the transmitter of the key 31. Has been done. Furthermore, the integration relay 40 that constitutes the keyless entry system executes a predetermined antitheft process when the key cylinder 33 is locked and unlocked even though the entry control unit 42 cannot read the proper identification code from the key. Therefore, it is possible to prevent theft and unauthorized intrusion by unauthorized locking and unlocking.

Further, on the door lock control board 39, in addition to the entry control unit 42, electric components such as the door control motor 38, the position switch 46, the key cylinder sensor section 80, etc. are mounted, and each mounted electric machine is mounted. A door lock connector 11 for connecting the wire harness 110 to the component is provided. Therefore, it becomes possible to compactly arrange a plurality of electric components to be installed near the key cylinder 33 as a single unit, improve the assemblability of these electric components to the door 56, and simultaneously It is possible to simplify the wiring route of the wire harness 110 in 56 and improve the productivity.

Further, the mechanical unit 36 and the door lock control board 39 are unitized separately from each other, and are assembled and integrated in the door. Therefore, in the mechanical unit 36 itself, the electrical parts are the door lock control board 3
It is an assembly mainly composed of mechanical parts separated on the 9 side,
It can also be used as a non-electrical lock mechanism and the like, and the manufacturing cost can be reduced by making the mechanical unit 36 common and mass-producing it.

Further, the key cylinder sensor section 80 includes
This is a configuration in which a rotary plate 96 that rotates in conjunction with the rotational operation of the key 31 inserted in the key cylinder 33 to generate a lock / unlock instruction signal is built in. Therefore, it is not necessary to perform wiring work for the signal wire for the key cylinder 33, and the simplification of the wire harness and the improvement of the wiring property in the door equipped with the key cylinder 33 are promoted.

[0061]

As described above, according to the door lock device of the present invention, when the key is inserted, the entry control unit can read the identification code for locking and unlocking set in the transmitter of the key. The key cylinder sensor unit is installed in the key cylinder. Also,
The integration relay that constitutes the keyless entry system executes a predetermined antitheft process when the key cylinder is locked / unlocked even though the entry control unit cannot read the proper identification code from the key. Therefore, it is possible to prevent theft and unauthorized intrusion by unauthorized locking and unlocking.

On the door lock control board, in addition to the entry control unit, electric components such as a door control motor, a position switch and a key cylinder sensor unit are mounted, and a wire harness is mounted on each mounted electric component. This is a configuration equipped with a door lock connector for connecting the connector. Therefore, it is possible to compactly arrange a plurality of electric components to be installed near the key cylinder as a single unit, improve the assemblability of these electric components to the door, and to It is possible to improve the productivity by simplifying the wiring route of the wire harness.

Further, the mechanical unit and the door lock control board are unitized separately from each other, and are assembled and integrated in the door. Therefore, the mechanical unit itself becomes an assembly of mechanical parts with electrical parts separated on the door lock control board side, and can be used for non-electrical lock mechanism etc. The manufacturing cost can be reduced.

Further, the key cylinder sensor section has a built-in rotary plate which rotates in conjunction with the rotational operation of the key inserted in the key cylinder to generate a lock / unlock instruction signal. Therefore, it is not necessary to carry out a wiring work of a signal electric wire on the key cylinder, and the improvement of the wire harness arrangability in the door equipped with the key cylinder is promoted.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a door lock device according to the present invention.

FIG. 2 is a plan view showing an installation position on the vehicle in FIG.

FIG. 3 is an explanatory diagram of a keyless entry system for a door lock device according to the present invention.

FIG. 4 is an explanatory view of a state where the electric door lock mechanism in FIG. 1 is assembled to a door.

5 is an exploded perspective view of the key cylinder in FIG. 1. FIG.

FIG. 6 is a block diagram of a conventional electric door lock mechanism.

FIG. 7 is a block diagram of a conventional keyless entry system.

FIG. 8 is a perspective view showing installation positions of components of a conventional electric door lock mechanism and a keyless entry system on a vehicle.

[Explanation of symbols]

 30 door lock device 31 key 33 key cylinder 34 striker 35 latch 36 mechanical unit 38 door control motor 39 door lock control board 40 integration relay 42 entry control unit 44 door lock unit 46 position switch 57 outside handle 80 key cylinder sensor section 96 rotating plate 110 wire harness 111 door lock connector

Claims (4)

[Claims] 1. A key incorporating a transmitter for transmitting a lock / unlock instruction signal for switching an operating state of a door lock mechanism to a locked state or an unlocked state, and the key is inserted and unlocked. A key cylinder, and a mechanism that locks or unlocks a latch that can be engaged with and disengaged from a striker that is fixedly mounted on the body side of a vehicle or the like by locking and unlocking the key or the outside handle of the door. A mechanical unit, a door lock control board equipped with an entry control unit that receives and processes a lock / unlock instruction signal transmitted from the key transmitter, and the mechanical unit on the mechanical unit for switching the operating state of the lock mechanism. The door control motor that drives the mechanical parts of Position switch for detecting whether the operating state of the lock mechanism is in the locked state or unlocked state, and the lock / unlock instruction signal or the detection signal of the position switch received via the entry control unit. It is configured to include an integration relay for controlling the operation of the door control motor, and either the transmission of a lock / unlock instruction signal from the transmitter of the key or the locking / unlocking operation by inserting the key into the key cylinder. However, the door lock device is configured to be able to switch the operating state of the lock mechanism, when the key is inserted into the key cylinder,
A key cylinder sensor unit that enables the entry control unit to read the identification code for locking and unlocking set in the transmitter of the key is equipped, and the entry control unit cannot read the proper identification code from the key. A door lock device, wherein the integration relay executes a predetermined antitheft process when a key cylinder is locked and unlocked. 2. On the door lock control board, in addition to the entry control unit, the door control motor, the position switch,
2. The door lock device according to claim 1, wherein electric components such as a key cylinder sensor unit are mounted, and each mounted electric component is equipped with a door lock connector for connecting a wire harness to a connector. 3. The mechanical unit and the door lock control board are unitized separately from each other,
The door lock device according to claim 2, wherein the door lock device is mounted in the door in an assembled and integrated state. 4. The key cylinder sensor portion has a built-in rotary plate that rotates in conjunction with a rotational operation of a key inserted in the key cylinder to generate a lock / unlock instruction signal. The door lock device according to any one of claims 1 to 3.