JPH087015Y2 - Car door lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a vehicle door lock device that locks and unlocks each door of an automobile by an electric lock means such as a solenoid.

[Conventional technology]

Conventionally, in vehicles with a power window switch, it is possible to intensively open and close the glass windows of each door by operating the power window switch for centralized opening and closing of each door provided in the driver's seat, and The glass window of each door can also be opened and closed individually by operating the power window switch for individual opening and closing provided in the seat.

At this time, from the viewpoint of safety, a power window lock switch for prohibiting opening / closing by the individual opening / closing power window switch for each door is provided in the driver's seat.

By the way, in order to improve the functions of automobiles, each door is intensively locked and unlocked in the driver's seat. Normally, a door lock switch is provided in the driver's seat, or a door lock knob for the driver's door is provided. By operating the door lock switch, current is selectively applied to the lock solenoids provided in each door in the forward and reverse directions, and the solenoids are simultaneously driven to activate the door lock mechanism of each door. At the same time, it locks and unlocks, or locks and unlocks each door lock mechanism in conjunction with the operation of the door lock knob of the driver's door.

[Problems to be solved by the device]

Conventionally, in the case of a vehicle employing such an electric door lock device, if a vehicle already equipped with the above-mentioned power window switch device, a door lock switch must be provided in the driver's seat in addition to the power window switch and the lock switch. However, the number of switches to be operated becomes large and complicated,
There was a problem that it became expensive.

Particularly in a 4-door vehicle, the door lock device described above can lock and unlock each door lock mechanism only at the same time, so that only the door lock mechanism of a desired door can be selectively locked and unlocked. However, it is very inconvenient, and in the case where the above-mentioned door lock device is already equipped, it is possible to add a function for selecting lock / unlock of any door with a simple configuration. It is extremely advantageous for improving the functions.

Therefore, the present invention has been made to solve the above problems, and utilizes a power window switch for centralized opening / closing and a power window lock switch for so-called power window control, and these switches in the driver's seat are used. Lock the desired door by
The purpose is to enable unlocking.

[Means for solving the problem]

A vehicle door lock device according to the present invention includes a power window switch provided in a driver's seat for opening and closing glass windows of respective doors, and a seat other than the driver's seat other than the driver's seat. Power window switch for opening and closing the glass window of the door, a power window lock switch provided in the driver's seat for prohibiting opening and closing by operating the power window switch for individual opening, and each door Electric lock means for respectively locking and unlocking the door lock mechanism, and the lock means for the corresponding door operated by operating the centralized opening / closing power window switch with the power window lock switch being locked. Door lock system that controls the lock and unlock states It is obtained by a part.

[Operation] In this invention, by operating the power window switch for centralized opening and closing while the power window lock switch is locked, the door lock control unit causes the electric lock means of the door to be locked or unlocked. Since it is controlled, the desired door is locked and unlocked by operating the centralized opening / closing power window switch provided in the driver's seat, and it is not necessary to separately provide a door lock switch in the driver's seat as in the conventional case.

〔Example〕

FIG. 1 is a connection diagram of an embodiment of a vehicle door lock device of the present invention.

Figure 1 shows an example of a two-door vehicle. As shown in the figure, a power window switch for centralized opening and closing (hereinafter referred to as PW) for intensively opening and closing the glass window of the passenger side door in the driver's seat.
1) is provided in the driver's seat, and the power window motor (not shown) is driven by switching the PW switch 1 to the up-side terminal or the down-side terminal, and the glass window of the passenger side door is closed or opened. Becomes Here, the switching piece of the PW switch 1 is grounded.

In addition to PW switch 1, PW for individual opening / closing on the passenger seat
A switch is provided, and by operating this PW switch,
In the passenger seat as well, the glass window of the passenger side door can be opened and closed in the same way, but from the viewpoint of safety etc., it is locked individually so that the glass window of the passenger side door does not open and close by operating the PW switch for individual opening and closing. A power window lock switch (hereinafter simply referred to as a lock switch) 2 for prohibiting opening / closing by operating the opening / closing PW switch is provided in the driver's seat, and one end of the lock switch 2 is grounded in terms of a circuit. ON (lock operation state)
When the power window switch is in the locked state, the glass window cannot be opened and closed with the individual opening / closing PW switch, and when the lock switch 2 is off, it is in the unlocked state and the glass window is operated by the individual opening / closing PW switch. Can be opened and closed.

Further, as shown in FIG. 1, the other end of the lock switch 2 is connected to an ignition switch (hereinafter referred to as an IG switch) (not shown) via a pull-up resistor 3, and the up-side terminal and the down-side terminal of the PW switch 1 are connected. Each pull-up resistor
It is connected to the IG switch via 4,5.

Then, one input terminals of the NOR gates 6 and 7 are both connected to the other end of the lock switch 2 via the input resistor 8, and the other input terminals of both NOR gates 6 and 7 are respectively input resistors 9 and 1.
It is connected to the up-side terminal and the down-side terminal of the PW switch 1 via 0.

Therefore, when the lock switch 2 is turned on, one input of both NOR gates 6 and 7 becomes low level (hereinafter referred to as L), and when the lock switch 2 is turned off, both NOR gates 6 and 7 are turned on.
One of the inputs becomes high level (henceforth called H), and PW
By switching to the up-side terminal and the down-side terminal of the switch 1, the other input of the NOR gate 6 and the other input of the NOR gate 7 become L respectively.

Furthermore, the output terminals of both NOR gates 6 and 7 are connected to the bases of NPN type switching transistors 11 and 12, respectively, and the collectors of both transistors 11 and 12 are respectively the relay coil of the first relay 13 and the second relay 14 Both transistors connected to the IG switch via the relay coil of 1
1,12 emitters are grounded.

Also, the normally open terminals of the c contacts of both relays 13 and 14 are both connected to the IG switch, the normally closed terminals of the c contacts of both relays 13 and 14 are both grounded, and the common terminal of the c contacts of both relays 13 and 14 is A locking solenoid 15 is provided between them as an electric locking means for the passenger door.

Then, when the second relay 14 is inactive and the first relay 13 is activated, the c-contact of the first relay 13 is normally opened, and a current flows through the solenoid 15 through the common terminal, thereby making the passenger seat side. When the door locking mechanism is locked by the solenoid 15 and the flow direction at this time is, for example, the forward direction, the first relay 13 is in the inoperative state and the second relay is in the non-operating state.
When 14 operates, the c-contact of the second relay 14 is normally opened, and a current flows in the opposite direction to the solenoid 15 through the common terminal, and the door lock mechanism on the passenger side is unlocked by the solenoid 15. Both OR gates 6,7,
Each resistor 3-5, 8-10, both transistors 11, 12 and both relays 1
A door lock control unit 16 is configured by 3,14.

Next, the operation will be described in detail with reference to the timing chart shown in FIG.

Now, as shown in FIG. 2 (a), with the IG switch turned on, the lock switch 2 is turned on as shown in FIG. 2 (b), and as shown in FIG. 2 (c),
When the PW switch 1 is switched to the up terminal, both inputs of the NOR gate 6 become L and the output becomes H, both inputs of the NOR gate 7 become L and H respectively, the output becomes L, and the H of the NOR gate 6 becomes H. The transistor 11 is turned on by the output, the transistor 12 is turned off by the L output of the NOR gate 7, only the relay 13 is energized and excited, the c contact is switched to the normally open side, and the current is passed through the solenoid 15 in the forward direction. As shown in FIG. 7D, the solenoid 15 is controlled to the locked state, and the door lock mechanism on the passenger side is locked.

Therefore, when the door lock mechanism on the passenger side is not locked and it becomes necessary to lock it,
It suffices to turn on the lock switch 2 and switch the PW switch 1 to the up side.

On the other hand, as shown in FIG. 2 (a), when the IG switch is on, the lock switch 2 is turned on as shown in FIG. 2 (b), and the PW is turned on as shown in FIG. 2 (c).
When the switch 1 is switched to the down side terminal, both inputs of the NOR gate 7 become L and the output becomes H, both inputs of the NOR gate 6 become L and H respectively, the output becomes L, and the H output of the NOR gate 7 Causes the transistor 12 to turn on, the L output of the NOR gate 6 causes the transistor 11 to turn off, and only the relay 14 is energized and excited to switch its c-contact to the normally open side, and a current flows through the solenoid 15 in the opposite direction. As shown in FIG. 7D, the solenoid 15 is controlled to the unlocked state, and the passenger side door lock mechanism is unlocked.

Therefore, when it is necessary to unlock the door lock mechanism on the passenger side when it is locked, the lock switch 2 is turned on and the PW switch 1 is turned off.
Switch to the wn side.

In this way, the PW switch 1 and the lock switch 2 for controlling the power window are used to operate the switches 1 and 2 in the driver's seat to lock and unlock the door lock mechanism on the passenger side. The solenoid for locking 15
By adding the door lock control unit 16 and the electric lock function for the passenger side door, it is not necessary to provide a separate door lock switch in the driver's seat as in the past, and the existing PW switch 1 By using the lock SW2, the function can be improved with a simple and inexpensive structure.

Next, FIG. 3 shows another embodiment of the present invention, which will be described below with reference to FIG.

Fig. 3 shows an example of a four-door vehicle. In addition to the power window lock switch 2 shown in Fig. 1, the first PW switch 1a for centralized opening and closing of the glass window on the passenger side door, and the left and right door glass on the rear seats. The circuit having the same configuration except that the second and third PW switches 1b and 1c for centralized opening and closing of windows are provided and the resistor 3 of the door lock control unit 16 of FIG. 1 is excluded is provided in the passenger seat door, the rear seat left, Three sets are installed in parallel between the IG switch and the ground for the right door,
In FIG. 3, subscripts a, b, and c are added to the symbols of the respective parts of the circuit for each door to distinguish them.

At this time, the lock switch 2 and the resistor 3 shown in FIG. 1 are commonly used, and one input terminal of each of the NOR gates 6a, 6b, 6c and the NOR gates 7a, 7b, 7c has a resistor 8a, 8c.
It is connected to the other end of the lock switch 2 via b and 8c.

Further, as shown in FIG. 3, the other input terminals of the NOR gates 6a, 6b, 6c are connected to the up side terminals of the PW switches 1a, 1b, 1c via the resistors 9a, 9b, 9c, respectively, and the NOR gate 7a , 7b,
The other input terminal of 7c is connected to the down side terminals of the PW switches 1a, 1b, 1c via resistors 10a, 10b, 10c, respectively.

Furthermore, as shown in FIG. 3, a locking solenoid 15a for the passenger seat door is provided between the common terminals of the relays 13a and 14a, and a locking solenoid for the rear seat left door is provided between the common terminals of the relays 13b and 14b. 15b is provided, and a locking solenoid 15c for the right rear door is provided between the common terminals of the relays 13c and 14c.

By the way, each resistance 3,4a ~ 4c, 5a ~ 5c, 8a ~ 8c, 9a ~ 9c, 10
a to 10c, each NOR gate 6a to 6c, 7a to 7c, each transistor 11a
~ 11c, 12a ~ 12c, each relay 13a ~ 13c, 14a ~ 14c constitutes a door lock control unit 17.

The basic operation is the same as in the case of FIG.
Turn on the lock switch 2, and up the PW switch of the door to be locked or unlocked among the PW switches 1a to 1c.
Each solenoid 15 by switching to the down side or the down side.
A current flows through the solenoid for the door in the forward direction or the reverse direction among a to 15c to lock or unlock the door lock mechanism of the door.

In this way, it is not necessary to provide a new door lock switch in the driver's seat, and the existing PW switches 1a to 1c and the lock switch 2 can be used to lock and unlock the door lock mechanism of the desired door. The electric lock function can be added with a simple and inexpensive structure, and the function can be improved.

In addition, in a four-door vehicle, the one equipped with the conventional simultaneous control type door lock device has a door lock control unit.
By only adding 17, it is possible to add a lock / unlock function for only the desired door, which is extremely advantageous in improving the function of the automobile.

In each of the above embodiments, the case where the solenoid is used as the electric lock means has been described, but the present invention is not limited to this, and it goes without saying that a motor or the like may be used.

Further, the door control unit is not limited to the above-mentioned configuration, and may be configured to operate by operating each power window switch at least in a state in which the power window lock switch is locked to control the electric locking means. Good.

[Effect of device]

As described above, according to the vehicle electric door lock device of the present invention, the door lock control unit is operated by operating the centralized opening / closing power window switch while the power window lock switch provided in the driver's seat is locked. The electric lock means of the door is locked by
Since it is controlled to the unlocked state, it is possible to lock and unlock the desired door using the power window switch for centralized opening and closing provided in the driver's seat. It is not necessary to provide it separately, and the function of the vehicle can be improved with a simple and inexpensive structure.

Further, particularly in a four-door vehicle, a desired door lock / unlock function can be added only by applying a door control unit to a vehicle equipped with a conventional simultaneous control type door lock device. The function of can be further improved.

[Brief description of drawings]

FIG. 1 is a wiring diagram of an embodiment of an automobile door lock device of the present invention, FIG. 2 is a timing chart for explaining the operation of FIG. 1, and FIG. 3 is a wiring diagram of another embodiment of the present invention. . 1 ... Power window switch (PW switch), 1a-
1c …… First to third PW switches, 2 …… Power window lock switch (lock switch), 15,15a to 15c ……
Lock solenoids, 16, 17 ... Door lock control unit

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display area E05B 65/36

Claims (1)

[Scope of utility model registration request] 1. A centralized opening / closing power window switch for opening and closing a glass window of each door provided in a driver's seat, and a glass window for a door of a seat other than the driver's seat provided in a seat other than the driver's seat. An individual opening / closing power window switch for opening / closing, a power window lock switch provided in the driver's seat for prohibiting opening / closing by operating the individual opening / closing power window switch, and a door lock mechanism for each door, respectively. Electric lock means for locking and unlocking, and operation by operating the power window switch for centralized opening and closing with the power window lock switch being locked, and locking and unlocking the corresponding lock means of the door. Vehicle door with a door lock control unit for controlling the state Locking device.