JPH09161612A - Master switch for power window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make whole constitution small. SOLUTION: In a master switch 1 for power windows, each window open/ close circuit for individually opening and closing the left and the right windows of the front seat and the rear seat of a vehicle can be alternatively selected by operating one rotation operating knob 3, and consequently it is unnecessary to provide an operating knob for every window open/close circuit, so that the whole constitution may be made small. A lock switch mechanism capable of locking all at once the opening and closing of each of the window open/close circuit is provided in the rotation operating knob 3. Accordingly, it becomes unnecessary to ensure the space of disposing a lock switch, so that the whole constitution of the master switch 1 may be made small.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power window master switch.

[0002]

2. Description of the Related Art Conventionally, a power window master switch for controlling the opening and closing of four windows of a four-door passenger car at the driver's seat has required a number of operation knobs and switch portions corresponding to each window. For this reason, not only the overall structure becomes large and the weight increases, but also the cost increases.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a master switch for a power window having a simple overall structure.

[0004]

A master switch for a power window according to a first aspect of the present invention for achieving the above object has one window opening / closing circuit for individually opening / closing left and right windows of a vehicle. It is characterized in that it can be selectively selected by operating the operation knob of.

According to a second aspect of the present invention, in the power window master switch according to the first aspect, a lock switch function is provided for simultaneously locking the opening / closing control of the window opening / closing circuits to the operation knob. Is added.

Further, the power window master switch of the present invention described in claim 3 is claim 1 or claim 2.
In the configuration described in (1), an automatic opening / closing control circuit for automatically opening / closing the window by selectively selecting each of the window opening / closing circuits by the operation knob is provided, and the automatic opening / closing control circuit is closed. It is characterized by the addition of an opening / closing operation knob.

[0007]

According to the power window master switch of the present invention, each window opening / closing circuit for individually opening / closing the left and right windows of the vehicle is operated by operating one operating knob. You can choose. Therefore, since the operation knob is not provided for each window opening / closing circuit, the overall configuration can be downsized and the cost can be reduced.

According to the power window master switch of the second aspect of the present invention, the opening / closing control of the window opening / closing circuits can be locked simultaneously by the lock switch function added to the operation knob. Therefore, it is not necessary to secure a space for disposing the lock switch, and the overall configuration of the power window master switch having the lock function can be reduced in size.

Further, according to the power window master switch of the third aspect, the window can be automatically opened and closed by the window switching circuit selected as an alternative by operating the automatic opening and closing operation knob. The overall configuration of the power window master switch having an opening / closing function can be reduced in size.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to the accompanying drawings. 1 is a plan view showing a first embodiment of the present invention, FIG. 2 is a partially cutaway front view of the same, and FIG. 3 is a window switching circuit diagram. A power window master switch (hereinafter simply referred to as a master switch) 1 is attached to an armrest of a driver's seat door. On the upper surface of the switch case 2 of the master switch 1, a cylindrical rotary operation knob 3 for selecting an opening / closing circuit for the left and right windows of the front seat and the rear seat,
An automatic opening / closing operation knob 4 and a door lock operation knob 5 are provided.

The rotating operation knob 3 is attached to the upper end of the fitting shaft portion 8 of the knob holder 7 protruding from the support cylinder portion 6. Then, a mark 2a indicating a turning operation position which is a selected position of the opening / closing circuit of each window is provided over a half circumference around the supporting cylinder portion 6. Further, marks 3a representing respective functions are written on the upper surface of the rotating operation knob 3. The lower end of the knob holder 7 is held by a cylindrical holding portion 9 integrally formed on the bottom surface of the switch case 2 so as to be vertically movable and rotatable.

Moderation troughs 11 are formed on the inner peripheral wall 10 of the holding portion 9 in correspondence with the operation position of the rotary operation knob 3. Fixed contact points 12a to 12d of open / close circuits FR, FL, RR, and RL of the left and right windows of the front seat and the rear seat shown in FIG.
And 13a to 13d are provided. A return spring 14 is provided between the bottom surface of the knob holder 7 and the switch case 2. Then, corresponding to the moderation trough 11, the knob holder 7 is provided with a moderation ball 15 and a moderation spring 16. Further, when the turning operation knob 3 is turned to the left or right, the fixed contacts 12a to 12d and 13a to 13 described above.
The bridge contact point 17 that selectively bridges between d is the contact pressure spring 18
Is provided under the attachment.

A rotation holder 20 for rotatably holding the locking mechanism 19 is provided between the upper surface of the holding portion 9 and the switch case 2.
Is provided. The locking mechanism 19 locks the knob holder 7 that is lowered by the pressing operation of the rotation operation knob 3 at the lowered position, and when the rotation operation knob 3 is pressed again, the lock is released and the return spring 14 causes the rotation. The moving operation knob 3 is raised. The locking mechanism 19 includes a heart-shaped cam 21 formed on the side surface of the knob holder 7 and the heart-shaped cam 21.
It is composed of a locking pin 22 that engages with the locking pin 22 and a locking spring 23 that is hooked on the locking pin 22. When the rotation operation knob 3 is pressed and locked, the positions of the bridging contact 17 of the knob holder 7 and the fixed contacts 12a to 12d and 13a to 13d are vertically displaced and do not correspond to each other. Each circuit FR, FL, RR, RL of the open / close circuit 32 cannot be selected, and the open / close operation of each window is locked.

The circuit of the master switch 1 having the above configuration is shown in FIG.
Is shown in The circuit is a selection circuit 31 for selectively selecting one of the left and right window open / close circuits for the front seat and the rear seat by rotating the rotary operation knob 3, and an open / close circuit for controlling the open / close motor of each window. 32 and an automatic opening / closing control circuit 34. The selection circuit 31 includes fixed contacts 12a to 12d and 13a to 1 which are selectively connected by the rotating operation knob 3.
3d and lock contacts 14a and 14b. In this selection circuit 31, for example, when the window opening / closing circuit FR for the front right door is selected, the fixed contact 12a is generated by the bridging contact 17.
And 13a are bridged, and the window can be opened / closed by pushing / pulling the automatic opening / closing operation knob 4. Further, when the turning operation knob 3 is pushed down, the turning operation knob 3 is locked as described above, and each circuit F of the opening / closing circuit 32 of each window is locked.
R, FL, RR, and RL cannot be selected, and the opening / closing operation of each window is locked.

In the opening / closing circuit 32, an opening / closing motor 32a is interposed in a circuit FR for opening / closing the window on the driver's seat side (in the case of a right-hand drive vehicle). Other circuits FL,
Opening and closing motors 32b to 32d are provided in RR and RL, respectively.
And sub-switches 33b to 33d for opening and closing windows are installed in each seat. When a sub switch corresponding to the alternatively selected switching circuit 32 is operated, it can be opened and closed manually.

Further, the automatic opening / closing control circuit 34 for automatically opening / closing the selectively selected window by operating the automatic opening / closing operation knob 4 includes a shunt resistor R and two comparators 35, 3.
It is a current detection circuit composed of 6 and the like. When the window that automatically moves up and down is fully opened or fully closed, the opening / closing motor is locked and the current value flowing through the shunt resistor R changes from the steady current value to the lock current value. The change in current value is detected to cancel the automatic open / close state.

FIG. 4 is a plan view showing another embodiment of the present invention. The master switch 41 shown in FIG. 4 is a slide type operation knob 43 for selecting an open / close circuit for the left and right windows of the front and rear seats. The switch 42 is slid to the left and right and left and right in accordance with the instructions of the mark 42a written on the upper surface of the switch case 42. Thus, one of the left and right window opening / closing circuits for the front seat and the rear seat is selectively selected. Further, when the operation knob 43 is returned to the lock position of the neutral position, the opening / closing circuits FR, FL, RR, RL of each window cannot be selected, and the opening / closing operation of each window is locked. In addition, an automatic opening / closing operation knob 44 and a door lock operation knob 45 are provided.

The master switches 1 and 41 in each of the above-described embodiments are provided with one rotary operation knob 3 or operation knob 4.
Each window opening / closing circuit FR, FL, RR, RL for individually opening and closing the left and right windows of the front and rear seats of the vehicle by the operation of 3.
Since it is not necessary to provide an operation knob for each window opening / closing circuit, the overall configuration can be downsized. Each window opening / closing circuit F is attached to the rotation operation knob 3 or the operation knob 43.
Since the lock switch mechanism that can lock the opening / closing of R, FL, RR, and RL is provided at the same time, it is not necessary to secure a space for arranging the lock switch, and the overall configuration of the master switch 1 or 41 is downsized. it can.

[Brief description of the drawings]

FIG. 1 is a plan view of a master switch 1 according to the present invention.

FIG. 2 is a partially cutaway front view of the same.

FIG. 3 is a window switching circuit diagram.

FIG. 4 is a plan view of a master switch 41 according to the present invention.

[Explanation of symbols]

 1, 41 ... Master switch 3 ... Rotation operation knob 4, 44 ... Automatic opening / closing operation knob 31 ... Selection circuit 32 ... Opening / closing circuit 34 ... Automatic opening / closing control circuit 43 ... Operating knob

Claims (3)

[Claims] 1. A master switch for a power window, wherein each window opening / closing circuit for individually opening / closing left and right windows of a vehicle can be selectively selected by operating one operation knob. 2. The master switch for a power window according to claim 1, wherein a lock switch function for simultaneously locking the opening / closing control of each window opening / closing circuit is added to the operation knob. 3. An automatic opening / closing operation for providing an automatic opening / closing control circuit for automatically opening / closing a window by selectively selecting each of the window opening / closing circuits by the operation knob, and closing the automatic opening / closing control circuit. The power window master switch according to claim 1 or 2, further comprising a knob.