JPH028484A - Slide door closer - Google Patents

Abstract

PURPOSE:To prevent the forgetting of closing a slide door by providing a door closing controller which stops the closing action of door when the slide door is opened to near an opening limit and also starts the closing action of door when the door is backed in the opening direction by a given distance. CONSTITUTION:An opening and closing means 2 with a drive motor 5 is provided, and a slide door is allowed to open or close by the motor 5. A position sensor 10 and a timer circuit 11 are provided to an opening and closing controller 2. After the lapse of a given time period after opening a slide door, the door is automatically closed. When the door is opened to near an opening limit, the closing action of door is stopped, and when the door is backed by a given distance to the closing direction of door, the closing action is started, making the opening operation of the slide door easier.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sliding door closer that electrically closes a sliding door.

[Prior art] Conventionally, this type of sliding door opening/closing device that closes sliding doors electrically
The 4J operation of the drive motor of the electric door closing means was directly controlled by the door closing switch, and the sliding door was closed by operating the door swing.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional example, it is necessary to operate a switch when closing the sliding door, which makes it troublesome to close the sliding door, and there is a risk of forgetting to close the sliding door. There was a problem.

The present invention has been made in view of the above points, and its purpose is to make it easy to operate the sliding door without the need to close it, prevent forgetting to close the door, and further improve the ability to open the sliding door. To provide a cruise closer that can be easily operated.

[Means for Solving the Problems 1] The sliding door closer of the present invention includes an electric door closing means for closing an opened sliding door using a drive motor, and an electric door closing means for operating the electric door closing means after a predetermined time after opening the sliding door. The device is equipped with a door closing control means that automatically closes the door, and stops the closing operation when the sliding door is opened close to the opening limit, and closes the door when the sliding door is pulled back a predetermined distance in the closing direction. A door closing control means is formed to start the door operation.

[Function] The present invention is configured as described in -L, and automatically closes the sliding door by operating the electric door closing means that uses the drive motor to close the opened sliding door after a predetermined period of time after the sliding door is opened. The sliding door is equipped with a door closing control means that closes the door automatically after a predetermined period of time, so there is no need to close the sliding door and there is no need to forget to close it can be prevented. Further, the door closing control means is configured to stop the closing operation when the sliding door is opened close to the opening limit, and to start the door closing operation when the door is pulled back in the closing direction by a predetermined distance. This makes it easy to open the sliding door.

[Embodiment] Fig. 1 shows a schematic configuration of an embodiment of the present invention, which includes an electric opening/closing means 2 that opens and closes a sliding door 1 using a drive motor 5, and an electric opening/closing means 2 that operates after a predetermined time after the door is opened. The opening/closing control means 3 automatically closes the sliding door 1 when the sliding door 1 is closed. Here, the opening/closing control means 3 includes a position detection means 10 that detects the position of the sliding door 1 (open door, closed door, etc.), and a timer circuit 11 that operates from the time the door opens to sets the time until the start of the door closing operation. , the motor current flowing to the drive motor 5 is excessive (
Overloaded! ! a current detection circuit J2 that detects whether or not the current is on; a determination control section 13 that forms and outputs an opening/closing control signal for the sliding door 1 based on the output of each circuit; and a drive circuit 1 that drives the drive motor 5 based on the opening/closing control signal. When the door opening operation signal is output from the operation section 4, the determination control section 13 receives the door opening operation signal, the output of the position detection means 10, the output of the timer circuit 11, and the current detection circuit. 1
The drive motor 5 is operated in the forward direction based on the 2 outputs, but an opening/closing control signal is created by determining whether to operate in the reverse direction, and the drive motor 5 is operated in a predetermined direction via the drive circuit 14 to rotate the sliding door 1. The door is designed to open or close. The electric opening/closing means 2 and the opening/closing control means 3 of the embodiment have a door opening function in addition to a door closing function, and enable automatic opening and closing of the sliding door 1.

FIG. 3(a) shows an operation unit 6 with a built-in intercom device, in which an intercom handset 20 and an indoor call pushbutton 21 are arranged on the left side, and in the lower half of the center. Two sets of operation parts 4a and 4b (one for the entrance and one for the back entrance) corresponding to the entrance and the back door are provided, and each of the operation parts 4a and 4b has an automatic lock changeover switch 23a and a lock/unlock switch. switch 23b, warning center/reset switch 23c, door opening indicator light 24. a, an unlocking indicator light 24b, and a warning indicator light 24c. In the lower half of the center of the operation unit 6, there is a power indicator light 24d, a hand control switch 23d with a built-in indicator light, a volume control volume 25, a speaker 26 that generates a door opening notification sound, etc., and a secret password from the outside. A password setting section 27 is provided for setting a password for an electronic unlocking device that is input using a switch to unlock an electric lock. Figure 3 (
b) shows an automatic/manual changeover unit 22, which is formed by an automatic/manual changeover switch 22a and an automatic/manual indicator lamp 22b.

Figures 4 to 7 show the electric opening/closing means 2 housed in the closed door 1b. Both ends are connected via a coil spring 31 to prevent loosening, forming a loop and attaching the sliding door 1 at key points. A drive wire 30 provided with a metal fitting receiver 34 for hooking and engaging a connecting metal fitting 33, a pair of pulleys 35a and 35b on which this driving wire 30 is stretched, and one boolean 35a that controls the rotation of the drive motor 5. It is comprised of a speed reduction mechanism section 36 with a clutch for transmission. This clutch-equipped speed reduction mechanism section 36 includes a pinion 37 attached to the motor shaft of the drive motor 5. and a reduction mechanism consisting of gears 372 to 376, a gear 373 that can be freely engaged via a compression spring 38,
374 and a clutch machine top consisting of a DC twist/id 39, and when the three fly/ids are energized, the shaft of the gear 373 is pressed downward by a leaf spring 41 attached to the armature 40. Gears 373 and 374 mesh with each other so that the rotation of drive motor 5 is transmitted to drive pulley 35a via gears 371 to 376.

In the figure, 43 is the upper plate, 44 is the base plate, and 45 is the bearing mounting plate.Since a heavy load is applied to the shaft of the drive boob IJ35a, both ends are held by bearings 46a and 46b. .

Further, the reed switches 50a and 50b are position detection means 10 that detects the position of the sliding door 1 in the vicinity of the closed position (5 cm before closing), and the reed switch 50a.

Permanent magnets 51 are arranged facing each other at appropriate intervals on the shield part 50b, which is attached to the drive wire 30.
2 Carido switch +50a, 50b and permanent magnet 51
By being inserted between the reed switches 50a and 51b, the reed switches 50a and 50b are turned off and position detection can be performed. 50c is a reed switch that detects when the sliding door 1 is fully open, and when the magnetic field acting on the shield par 52 is cut off and turned off, it detects that the sliding door 1 has been opened to the point where it is open. .

Further, the drive wire 30 is provided with a disk-shaped wire guide 55 for preventing deflection, and when the sliding door 1 is driven to open and close, the shield par 52 is attracted to the permanent magnet 51 side. The end of the permanent magnet 51
This prevents it from getting caught. Here, the wire guy 1'55 is made of polysecure resin, and the drive wire 30 is inserted into the wire insertion hole 55a in the center, and the wire guy 1'55 is inserted into the notch provided in the printed circuit board 56 on which the reed switches 50a and 50b are mounted. It is movable within 57.

FIGS. 8(a) and 8(b) show an electric lock main body 60 attached to the door frame 1a and an electric lock door end lock 61 attached to the door frame abutting surface of the sliding door 1, and the electric lock main body 60 In the lock receiver, a hole 63 is provided in which the key piece 62 of the door lock 61 is engaged, and a lock/unlock confirmation switch (not shown) is provided in the hole 63 of the lock receiver. . Further, the electric lock main body 60 is provided with a locking/unlocking control mechanism (not shown) that is driven by a locking/unlocking signal and has a locking/unlocking piece that can freely protrude from the hole 64 at both ends. Furthermore, a trigger 65 for a closed door confirmation switch (open door confirmation switch) is provided, and by pushing this trigger 65 on the end face of the sliding door 1, the closed door confirmation switch (or open door confirmation switch) is turned on. A door closing confirmation signal is output when the door closes.

On the other hand, a lock/unlock knob 67 is provided in the recess of the handle 66 of the sliding door 1, and by lowering the lock/unlock knob 67, the key piece 62 is retracted and unlocked.
By raising the unlock knob 67, the key piece 62 protrudes and the door is locked.

The operation of the embodiment will be described below. FIG. 2 is a flowchart showing the operation. When the automatic/manual changeover switch 22a is set to 1 automatic, the unlock/lock switch 43b is pressed or the When an unlocking operation is performed using the locked/unlocked knob 67, a gate operation signal is input to the determination control section 13 of the opening/closing control means 3, and the drive motor 5 is activated to drive the sliding door 1 in the opening direction. An opening/closing control signal for control (for example, normal rotation control) is output, and the drive motor 5 is driven via the drive circuit 14 to electrically open the sliding door 1. Next, when the output of the timer circuit 11 that operates from the time when the sliding door 1 starts opening (when the closing confirmation switch is turned off) is obtained, the drive motor 5 is controlled to drive the sliding door 1 in the closing direction (e.g. , reverse control) is output from the determination control section 13, and the drive motor 5 is driven via the drive circuit 14 to automatically close the sliding door 1 electrically.

By the way, in the embodiment, during the closing operation of the sliding door 1,
When the door closing operation is blocked, an emergency stop means is provided that stops the closing operation of the sliding door 1 and holds the sliding door 1 in a fully open state. When the motor current increases, it is determined that an abnormality has occurred in the door-closing operation, and the door-closing operation is stopped. That is, when the motor current of the drive motor 5 exceeds a predetermined value, the current detection circuit 12 outputs an abnormality detection signal, assuming that the door closing operation is blocked and an overload condition has occurred. The determination control unit 13 that receives the signal immediately outputs an opening/closing control signal that reverses the drive motor 5 to drive the sliding door 1 in the opening direction and stop it at the open position. Therefore, safety can be ensured even if a person gets caught between the sliding door 1 and the door frame 1a during the door closing operation. in this case,
When the sliding door 1, which is stopped in the fully open state, is pulled back a predetermined distance (for example, about 5c+n) in the closing direction, the reed switch 55c is turned on. The door operation is started again, the drive motor 5 is driven in the door closing direction, and the sliding door 1 is electrically closed.

In addition, when the automatic locking changeover switch 23a is set to ``1 person'', the electric lock is automatically unlocked or locked when the sliding door 1 is opened or closed. ”, it is necessary to manually lock/unlock the door using the lock/unlock switch 23b or the lock 7M lock knob 67 when closing the door.

Next, when the automatic/manual changeover switch 22a is set to "manual", the sliding door 1 can be opened and closed manually, and at this time, the opening of the sliding door 1 is set to the closing confirmation switch. When the sliding door 1 is detected, the timer circuit 12 operates, and the manually opened sliding door 1 is automatically closed electrically after a predetermined time set by the timer circuit 12 after the sliding door 1 is opened. However, when the sliding door 1 is opened to the point where the door is opened (in the example, when the sliding door 1 is opened just before closing when the reed switch 55c for detecting opening is activated), the automatic door closing operation The sliding door 1 is kept fully open. To close the sliding door 1 from the fully open state, after keeping the sliding door 1 fully open for about 15 seconds, pull the sliding door 1 back a predetermined distance (for example, 5 cm or more) in the closing direction from the open state, and the reed switch 55c will be reversed. The automatic door closing operation is started, and the sliding door 1 is electrically closed by the drive motor 5.

Next, when the alarm set/reset switch 23c is pressed to set the alarm function, when the sliding door 1 is forcibly opened in the locked state, the alarm will sound for a certain period of time (for example,
5 minutes) to notify you of the occurrence of an abnormality. In addition, in order to stop the alarm sound notifying the occurrence of an abnormality, the alarm function may be reset by pressing the alarm set/reset switch 23c again.

[Effects of the Invention] The present invention is configured as described above, and automatically closes the sliding door by operating the electric door closing means that uses the drive motor to close the opened door after a predetermined period of time after the door is opened. A door closing control means is provided to close the sliding door, and the sliding door that has been opened is automatically closed after a predetermined time, so there is no need to close the sliding door, and there is no need to forget to close the sliding door. It has the effect of preventing In addition, the door closing control means is configured to stop the door closing operation when the sliding door is opened to the point where it is close to opening, and to start the door closing operation when the vehicle is pulled back in the door closing direction by a predetermined distance. This has the effect of making it easier to open the sliding door.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing a schematic configuration of an embodiment of the present invention;
Figure 2 is an explanatory diagram of the operation of the same unit. Figure 3 (,) (b) is a top view of the main part of the same unit. Figure 4 is a front view of the same unit. Figure 5 is an exploded view of the main part of the unit. A perspective view, and FIG. 6 is a main part-L view of the same as above.
@ Figure 7 is a front view of the main part of the same as above, and Figure 8 (,) (l) is a perspective view of the main part of the same as above. 1 is a sliding door, 2 is an electric opening/closing means, 3 is an opening/closing control means, 4 is an operating section, and 5 is a drive motor. Agent Patent Attorney Ishi 1) Ai Figure 7, Figure 4, Figure 8 (b)

Claims (1)

[Claims] (1) An electric door closing means that uses a drive motor to close an opened sliding door, and a door closing control means that operates the electric door closing means and automatically closes the sliding door after a predetermined time after the door is opened. Equipped with
The door closing control means is configured to stop the closing operation when the sliding door is opened to the vicinity of the opening limit, and to start the closing operation when the sliding door is pulled back a predetermined distance in the closing direction. Sliding door closer.