JPH05202673A - Power window regulator - Google Patents

Abstract

PURPOSE:To open/close a window glass into a desired opening instantaneously by detecting relative positional relation between a carrier plate and a guide rail by the use of a reflection type photoelectric switch and a reflecting tape. CONSTITUTION:An opening/closing switch 4, a drive part 2 operated by the signal of the switch, a carrier plate 7 fixed to a window glass W, and a guide rail 8 to guide the movement are provided. Next, a control cable 6 is laid around the drive part 2 and the carrier plate 7. Further, relative positional relation between the carrier plate 7 and the guide rail 8 can be detected by means of a sensor consisting of a reflection type photoelectric switch 10 and a reflecting tape 9. By operating the opening/closing switch 4 so as to select a desired opening, the signal is input to a control box 3, and the motor of the drive part 2 is operated. Next, when the carrier plate 7 is detected to have reached the set opening of the window glass W, operation of the motor is stopped.

Description

Detailed Description of the Invention

[0001]

The present invention relates to power window regulators. More specifically, the present invention relates to a power window regulator capable of remotely controlling a side window, a roof, etc. of an automobile and selecting the opening / closing amount thereof.

[0002]

2. Description of the Related Art A conventional power window regulator is
For example, as disclosed in Japanese Utility Model Laid-Open No. 2-68981, the position sensor installed in the door panel detects the opening of the window glass, and the indicator that displays this is the driver such as the instrument panel in the driver's seat. It is known that it is arranged at such a position that it can be seen while facing forward.
In this power window regulator, it is necessary to keep pressing the open / close switch to a desired opening.

On the other hand, in the power window regulator disclosed in Japanese Utility Model Laid-Open No. 63-104583, it is not necessary to continue to press the open / close switch, but the switch operation can be selected only when the window glass is fully opened or fully closed. It is necessary to operate the stop switch separately in order to stop at once. That is, the window glass cannot be stopped at an arbitrary opening with one touch.

[0004]

As described above, in the conventional power window regulator, in order to stop the window glass at a desired opening degree, the open / close switch is pushed to the stop position or the open / close switch is operated. After the operation, it is necessary to confirm the opening degree by looking at the window glass itself, and stop the operation again with the switch. In other words, the driver is greatly troubled by work other than the driving operation of the automobile.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a power window regulator capable of moving a window glass or the like to a desired opening degree with one touch by an extremely compact system.

[0006]

A power window regulator of the present invention is an open / close switch for selecting and instructing a stop position of a window, a drive section which operates based on the open / close switch signal, and a pull drive by the drive section. Control cable, a carrier plate fixed to the control cable and fixed to the window, and a guide rail attached to a door panel for guiding the movement of the carrier plate, and a relative positional relationship with the guide rail. It is characterized in that the carrier plate is provided with a sensor for detecting.
The sensor can be composed of a detection means provided on the carrier plate and a plurality of detection means provided on the guide rail along the moving direction of the carrier plate.

[0007]

According to the power window regulator of the present invention, as shown in FIG. 7, if a predetermined opening is selected by an opening / closing switch (hereinafter, simply referred to as a switch), an opening signal is issued from the switch to the control box. In the control box, the motor of the drive unit is operated by the opening signal, and the position signal of the guide rail is constantly received from the sensor provided on the carrier plate. The rotation of the drive unit is determined by the position of the sensor (opening of the window glass) set by the opening signal of the switch.
When the carrier plate reaches, the motor of the drive unit stops operating.

The driving unit moves the window glass by driving the control cable.

Therefore, the driver of the vehicle can move the window to a desired opening degree by one-touch operation with the switch, and can concentrate on driving the vehicle.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a window regulator of the present invention will be described with reference to the attached drawings.

FIG. 1 is a schematic front view showing an embodiment of the window regulator of the present invention, FIG. 2 is an explanatory view showing an embodiment of the sensor shown in FIG. 1, and FIG. 3 is another sensor of the window regulator of the present invention. Explanatory drawing showing an embodiment,
4 is a schematic front view showing another embodiment of the window regulator of the present invention, FIG. 5 is a perspective view before assembly showing one embodiment of the drive unit in FIG. 1, and FIG. 6 is one embodiment of the open / close switch in FIG. FIG. 7 is a block diagram showing the operation of the window regulator of the present invention.

In FIG. 1, reference numeral 1 is a window regulator, which comprises a drive unit 2, a control box 3, an open / close switch 4 and a regulator unit 5.

The regulator section 5 is constructed as follows. That is, the control cable 6 is routed in a loop shape via the drive unit 2, and the carrier plate 7 is fixed to a part of the control cable 6. The carrier plate 7 is fixed to the window glass W and the door panel P
It is configured to be vertically movable by being guided by a guide rail 8 attached to the. When the operator operates the open / close switch 4, the drive unit 2 pulls and drives the control cable 6 to move the carrier plate 7 along the guide rail 8 to open / close the window glass W.

As shown in FIG. 2, the guide rails 8 are provided with reflective tapes 9 which are divided at a constant pitch along the moving direction of the carrier plate 7.

On the other hand, the carrier plate 7 is provided with a reflection type photoelectric switch 10 at a position corresponding to the reflection tape 9. Therefore, when the carrier plate 7 moves, the reflective photoelectric switch 10 moves while sequentially corresponding to the reflective tape 9 on the guide rail 8. Then, the control box 3 receives a pulse signal generated by the reflective photoelectric switch 10 reading the change of the reflective tape 9. Further, the stop position of the carrier plate 7 is controlled by comparing the open / close signal from the open / close switch 4 with the pulse signal.

FIG. 3 shows another embodiment of the sensor. 3A is a side view of the sensor 11, FIG. 3B is a plan view of the sensor 11, and FIG. 3C is a front view of the sensor 11. This sensor 11 uses a transmission type photoelectric switch 12.

That is, the guide rail 13 is provided with a slit plate 16 having a large number of slits 15 arranged along the moving direction of the carrier plate 14. On the other hand, the carry plate 14 is provided with the transmission type photoelectric switch 12 at a position corresponding to the slit plate 16. Transparent photoelectric switch 12
As shown in FIG. 3 (C), the light emitting portion 17 and the light receiving portion 18 are arranged so as to sandwich the slit plate 16 therebetween, and when the carrier plate 14 moves, the light emitting portion 17 and the light receiving portion 18 move while sequentially corresponding to the slits 15. It will be. And a transmissive photoelectric switch
The control box 3 (not shown) receives a pulse signal generated when the light receiving unit 18 of 12 reads the number of the slits 15. Further, the stop position of the carrier plate 14 is controlled by comparing the opening / closing signal from the opening / closing switch 4 (not shown) with the pulse signal.

FIG. 4 shows another embodiment of the sensor. This sensor 19 uses a magnetic sensor.

That is, a magnescale 22 is attached to the guide rail 20 along the moving direction of the carrier plate 21, while the carry plate 21 has a magnescale 22 attached thereto.
The multi-gap head 23 is provided at a position corresponding to. Therefore, when the carrier plate 21 moves, the multi-gap head 23 moves while sequentially corresponding to the magnescale 22 on the guide rail 20. Then, the control box 3 receives a pulse signal generated by the multi-gap head 23 reading the change in the magnescale 22. Further, the open / close signal from the open / close switch 4 is compared with the pulse signal to perform the carrier plate 21.
Control the stop position of.

The drive unit 2 is well known, and its details are shown in FIG. That is, a gear type speed reducer 25 is connected to the output end of the electric motor 24 as a driving force source, and a cable drum 26 for winding and sending out the control cable is connected to the output end of the gear type speed reducer 25. Has been done.

On the other hand, FIG. 6 shows the open / close switch 4. This open / close switch 4 is a sliding button
27 is adapted to slide continuously along a slit 29 formed in the switch body 28, and a scale (0, 10, 20, ... 100% etc.) corresponding to the opening of the window glass W is provided. It is displayed. Then, a signal such as a voltage value at the position where the button 27 is set is sent to the control box 3.

In the control box 3, the opening signal (change in voltage value or the like) from the open / close switch 4 is detected to operate the electric motor 24 of the drive unit 2. with this,
As shown in FIG. 1, the carrier plate 7 that is interlocked with the electric motor 24 moves on the guide rail 8 and feeds back the pulse signals generated from the detection means and the detected portion to the control box 3. Then, the electric motor 24 of the drive unit 2 can be automatically stopped by comparing the opening signal input in the initial stage with the pulse signal.

In this way, the window glass W can be automatically moved and stopped toward the open / close position designated by the open / close switch 4.

As described above, the button 27 of the open / close switch 4
It can be operated continuously, so to speak, so to speak, it is very easy for the driver to operate. In addition, for example, if the switch main body 28 is colored differently such that the portion that is 50% open or more is red and the portion that is less than 50% open is blue, it is convenient because the opening / closing direction can be seen at a glance. Further, in combination with the analog operation, it becomes possible to set the window glass W to a desired opening degree without having to watch the open / close switch 4. It will be even more convenient if the open / close switch 4 is installed in a position such as an instrument panel of a car where the driver can see the vehicle while facing forward.

It should be noted that the present invention is not limited to an open / close switch that can be continuously operated, and corresponds to, for example, a plurality of predetermined openings (0%, 25%, 50% ... 100%). It may be an open / close switch provided with each push button and operated so to speak digitally.

In the above-mentioned embodiment, the reflection type photoelectric switch, the transmission type photoelectric switch and the multi-gap head are used as the sensor, but it is also possible to use other optical sensors, magnetic sensors or potentiometers.

[0027]

According to the window regulator of the present invention, the window glass can be set to a desired opening degree by a one-touch operation.

Further, since it is not necessary to provide a separate sensor on the door panel or the like and the construction is extremely compact, the assemblability and maintenance are good,
Cost savings.

[Brief description of drawings]

FIG. 1 is a schematic front view showing an embodiment of a window regulator of the present invention.

FIG. 2 is an explanatory diagram showing an example of the sensor unit in FIG.

FIG. 3 is a principal part explanatory view showing another embodiment of the sensor in the window regulator of the present invention.

FIG. 4 is a schematic front view showing still another embodiment of the window regulator according to the present invention.

5 is a perspective view before assembly showing an embodiment of the drive unit in FIG. 1. FIG.

FIG. 6 is a perspective view showing an embodiment of the open / close switch in FIG.

FIG. 7 is a block diagram showing the operation of the window regulator of the present invention.

[Explanation of symbols]

 1 Wind regulator 2 Drive part 3 Control box 4 Open / close switch 5 Regulator part 6 Control cable 7, 14, 21 Carrier plate 8, 13, 20 Guide rail 9 Reflective tape 10 Reflective photoelectric switch 12 Transmissive photoelectric switch 16 Slit plate 22 Magne Scale 23 multi-gap head

Claims (2)

[Claims] 1. An open / close switch for selecting and instructing a stop position of a window, a drive unit that operates based on the open / close switch signal, a control cable pulled and driven by the drive unit, and fixed to the control cable. ,
And a carrier plate fixed to the window and a guide rail attached to a door panel for guiding the movement of the carrier plate, and a sensor for detecting a relative positional relationship with the guide rail is provided on the carrier plate. Power window regulator. 2. The sensor according to claim 1, wherein the sensor comprises detection means provided on the carrier plate and a plurality of detection means provided on the guide rail along the moving direction of the carrier plate. Power window regulator.