JPS6092582A - Power window control circuit of car - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of the Invention] The present invention relates to a power window control circuit that controls the electrical operation of a power window of an automobile. especially,
A power window control suitable for controlling a power window in which a bank door can be opened and closed, the bank door is attached to the vehicle body, a rear window is provided on the hack door so that it can be raised and lowered, and the roof is configured to be detachable. Regarding circuits.

[Background of the Invention] Power windows that can be remotely controlled from the driver's seat have already been used in the rear windows of automobiles, but until now there have been no rear windows in the form of power windows equipped with wipers. There are some models that have wipers installed on the rear windows, but there are no models that use power windows.

For ordinary passenger cars, there is no need to make the rear window a power window, but for Han style cars, etc., the rear window cannot be raised or lowered by remote control from the driver's seat due to the structure of the car body or its purpose. If so, it would be very effective in use and would be required by users.

On the other hand, during normal driving, the driver often uses a bank mirror located in the driver's seat to check the rear view through the rear window. this is,
There is no problem in sunny weather, but in rainy weather, rain falls on the rear window, making it difficult to see behind, making it necessary to use wipers.

In order to meet these two requirements, the applicant has already invented and applied for a structure in which the rear window is a power window and a wiper is attached to it. In a car with such a structure, if the wiper operates while the rear window is open, the wiper will be damaged. In other words, a structure is required in which the wiper operates only when the power window is completely closed, and the power window does not operate when the wiper is operating.

Furthermore, a car with this structure that allows the body and roof to be separated is being considered;
There is an increasing need for reliable operation of power windows and wipers in conjunction.

[Purpose of the invention]

The present invention is provided in an automobile having a structure in which the roof can be separated from the vehicle body, and the back door is attached to the vehicle body so as to be openable and closable.
The rear window is a remotely controlled power window that controls the wiper installed in the power window, and the wiper operates only when the power window is closed. To provide a power window control circuit for an automobile that does not operate even if an attempt is made to open the power window while the power window is operating.

[Features of the invention]

The present invention relates to a control circuit for controlling the drive of the motor, in which the rear window of an automobile is equipped with a drive mechanism and a motor for raising and lowering the window glass, and the invention relates to a control circuit for controlling the drive of the motor, the rear window of which is equipped with a wiper. In this power window control circuit, the mechanism that drives the wiper is equipped with a detection circuit that detects that the wiper is in the rest position, and this detection circuit does not have a detection output that detects that the wiper is in the rest position. In some cases, the power window is characterized in that it includes a circuit that inhibits driving of the power window to ensure the related operation of the power window and the wiper.

Here, the rest position is a position that is outside the operating angle of the wiper and outside the window glass, and is set so that the wiper does not come into contact with the window glass when the wiper is stopped.

[Explanation based on examples]

A device according to an embodiment of the present invention will be explained in detail based on the drawings.

Fig. 1 is an assembled rear external view of an automobile equipped with the power window control circuit of the present invention, and Fig. 2 is a rear external view of the roof side of an automobile equipped with the inventive power window control circuit with the roof separated. FIG. 3 is a rear external view of an automobile equipped with the power window control circuit of the present invention with the roof separated, and FIG. 4 is a circuit diagram of the power window control circuit of the automobile of the present invention.

As shown in FIG. 1, this embodiment of the automobile has a structure in which a wiper 24 is provided on the rear window blade. can be moved up and down along the guide groove. Also, this window 23
The back door 22 equipped with this is attached to the vehicle body by a lower hinge and can be opened and closed. Furthermore, this car
As shown in FIGS. 2 and 3, the structure is such that the roof can be separated and removed and used as an open car.

In the wiper control circuit of the present invention shown in FIG. 4, an ignition switch 2 having a built-in wiper power contact STI is connected to a battery 1 serving as a power source for the control circuit via a fusible link AMI, and the ignition switch 2 is used to drive the wiper. Contact STI is circuit breaker box 3
Connected to terminal W of control relay circuit 4 via fuse AM2! 1. , ) terminal 7.7. , Tzuoo. The bank door warning lamp 5 is connected to a hack door open contact 6a of a hack door switch 6 having an open contact 6a and a close contact 6b. Moreover, the fusible link AMI is the circuit breaker CB of the circuit breaker box 3.
It is connected to the terminal S of the control relay circuit 4 through the terminal S.

A power window interior switch 7 having a rising contact 7a and a falling contact 7b is connected to terminals P1 and P2 of the control relay circuit 4, and a rising contact 8a and a falling contact 8 are connected in parallel to the power window interior switch 7.
The power window external switch 8, which has terminal b, is connected to terminal P.
3 and P4, and the power window interior switch 7 and exterior switch 8 are connected to a roof switch 9 having a contact point 9a and a disconnection point 9b, and this roof switch 9 is connected to the closing contact point of the bank door switch 6. 6
connected to b.

Furthermore, a rear window limit switch 10 that is turned on when the rear window is fully closed is connected to the terminal of the control relay circuit 4, and a power window regulator motor 11 that rotates forward and reverse in the direction of current is connected to the terminal old and M2. A rear wiper motor circuit 12 connected to terminal 1? having a rear wiper morph 12a, a rise completion switch 12b, a rise solenoid 12c, and a blade storage switch 12d is connected to terminal 1? s and RM, and a rear wiper switch circuit 13 is also connected to terminal B, and the washer motor 1 is connected to this rear wiper switch circuit 13.
4 is connected.

The operation of the wiper control circuit of the present invention having such a configuration will be explained. As shown in Figure 1, when the roof 20 is attached to the car body 2I, the bank door 22 is completely closed, the rear window flap is closed, and the wiper U is stored in the rest position 5. In this case, the roof switch 9 is connected to the arrival side contact 9a, the hack door switch 6 is connected to the closing side contact 6b, the rear window limit switch 10 is connected, and the rise completion switch 12b of the wiper motor circuit 12 and the blade storage switch are connected. 12d
is in a state of discontinuation.

At this time, when the ignition key is put in the ignition switch 2 and connected to the power contact STI, the fusible link AM of the circuit breaker box 3 is connected from the battery 1.
2. Current flows through the terminal W of the control relay circuit 4, the relay coil RC4, the terminal RI, and the rear window limit switch 10 to ground. This current excites relay coil RC4, and relay switch RY4
is switched and connected to contact a.

Also, since a current flows from the terminal W through the resistor R1, the base of the transistor Q1, the terminal E, and the ground, the current flows from the battery 1 through the circuit breaker CB to the terminal S1 relay coil I? CI, transistor 01. Terminal E
Current flows to ground through , and connects relay switch RYI.

When the rear wiper switch circuit 13 is turned ON, the terminal S of the control relay circuit 4 is connected to the relay switch R.
Y4, current flows from terminal B of the rear wiper switch circuit 13 through terminal B and terminal +1 to the rear wiper motor 12a, and the wiper U stored in the rest position 25
the rear window and operate the wiper 24. At this time, the rise completion switch 12b and the blade storage switch 12d are in a connected state.

When it is necessary to clean the rear window blade, operate the washer button WAS) and the washer motor 1
4 operates and sprays out cleaning water.

Next, when the rear wiper switch circuit 13 is switched to F, the current from terminal B to the rear wiper motor 12a is cut off, stopping the operation of the wiper 24, and passes from terminal C to the rise completion switch 12b to the rise solenoid 12C, The signal flows to ground through terminal -8, continues operating the rise solenoid +2c and the rear wiper motor 12a, and stores the wiper 24 in the rest position above the window glass. By this storage, the rise completion switch 12b
Then, the blade storage switch 12d is turned off, and the current to the rear wiper motor 12 is cut off.

Press switch 7 inside the car to D to operate the power window.
Consider the case where it is connected to contact 7b on the CVN side. Terminal S of control relay circuit 4, relay switch RYI
, a current flows between the emitter and base of transistor 02, through diode D1, resistor R3, and terminal E to the ground, so this current flows between the emitter and collector of transistor Q2 of control relay circuit 4, and the relay coil RC3 is energized, diode D2, terminal P2,
Power window interior switch 7, roof switch 9
, flows from the back door switch 6 to ground. As a result, the relay switch RY3 is connected to the contact d, and the power window regulator motor 11 is connected from the relay switch RYI of the control relay circuit 4 to the contact d of the relay switch RY3, and the power window regulator motor 11 is connected between the terminals D (rotating in the VN direction and rear window 23). is descending.

This automobile is equipped with a switch 8 that allows the power window to be operated up and down even outside the vehicle. When the power window outside switch 8 is connected to the DOWN side contact 8b, the transistor Q2, relay coil RC3,
Dio-tro 3, power window external switch 8,
Current flows from the roof switch 9 and bank door switch 6 to ground, which causes relay switch RY3 and terminal M2 to power window regulator motor 11.
is driven to lower the rear window.

To raise the power window, first raise the power window.
Window interior switch 7 is on the UP side, rising contact 7a
When connected to the terminal, the current passes through the transistor Q2, excites the relay coil RC2, connects the relay switch RY2 to the contact e side, and connects the diode D4, the terminal P1, and the power
Flows from window interior switch 7, roof switch 9, and bank door switch 6 to ground.

As a result, a current in the UP direction flows through the relay switch 11Y1, the rear terminal RY2, and the terminal to the power window regulator motor 11, driving the power window regulator motor and raising the rear window device.

In addition, when the power window outside switch 8 is connected to the contact 8a on the UP side, from the transistor Q2 to the relay coil zDRc2, the diode D5, the terminal P3, the power window outside switch 8, the roof switch 9, and the back door switch 6 to ground. Current flows, relay switch RY2 connects to contact e, and relay switch RYI
The current from UP passes through relay switch RY2 and terminal M1 to power window regulator motor 11.
direction and raise the rear window device.

Next, a case will be described in which an attempt is made to operate the power window while the wiper 24 is operating. As mentioned above, while the wiper U is operating, the blade retraction switch 12d of the rear wiper motor circuit 12 is connected, so the connection is made from the emitter of the transistor Q3 to the base, and from the terminal R5 and the blade retraction switch 12d to the ground. A current flows, which causes transistor Q3 to
A voltage having the same potential as that of the emitter is applied to the base of the transistor Q2 from the collector side of the transistor Q2, and the transistor Q2 is in an off state. Therefore, relay coil R
The current to C2 and RC3 is cut off, the relay switch RY2 is connected to the contact f side, the contact of relay switch RY3 is connected to the e side, and the power to the power window regulator (the motor 11 is completely supplied from the relay switch RY1 side). In other words, even if the power window interior switch 7 or the power window exterior switch 8 is turned on while the wiper 24 is operating, the power window will not operate.

Next, a case will be described in which an attempt is made to operate the wiper while the power window is open. In this state, the rear window limit switch 10 is in the OFF state, so no current flows through the relay coil RC4. Therefore, the relay contact RY4 is connected to the contact point S, and the ground potential appears at the terminal B. Therefore, the rear wiper switch circuit 13 is
Even if the switch is switched to N, no current flows through the wiper motor circuit 12 and the wiper operation is prohibited.

Even if the power window is operated while the bank door 22 is open, the ground circuit is off because the bank door switch 6 is connected to the open contact 6a, and the current from the battery 1 is transferred to the relay coil RC2. RY2 and RY3, which form the circuit to the power window regulator motor 11, are in the off state and the power window does not operate.

Similarly, when the hack door 22 is open, the rear window limit switch 10 is open, so the wiper 24 is operated; Do not work. Furthermore, in this state, the hack door warning lamp 5 lights up to notify the user that the hack door 22 has been opened, so that erroneous operations are unlikely to occur.

(Effects of the Invention) As described above, according to the present invention, by adding a control relay to the power window and wiper drive circuit, it is possible to separate the vehicle body and roof, open and close the bank door and rear window, and furthermore, the wiper When the wiper used on the rear window of a car with a structure that allows it to be stored is in a state where the roof is attached to the car body, the bank door and the rear window are closed, and the wiper is on the rear window and can be operated, or when it is in operation,
The power window is not operated by any operation and is controlled to operate only when the wiper is retracted, which is an excellent effect that prevents accidents due to discrepancies between the operation of the power window and wiper. There is.

[Brief explanation of the drawing]

FIG. 1 is a rear external view of the assembled state of an automobile equipped with the power window control circuit of the present invention. FIG. 2 is an external view of the roof-side rear part of an automobile equipped with the power window control circuit of the present invention, with the roof separated. FIG. 3 is an external view of the rear part of an automobile equipped with the power window control circuit of the present invention, with the roof separated. FIG. 4 is a circuit diagram of a power window control circuit for an automobile according to the present invention. ■...Battery, 2...Ignition switch, 3
... Circuit breaker box, 4... Control relay circuit, 5... Back door warning lamp, 6... Bank door switch, 7... Power window interior switch, 8... Power window External switch, 9... Roof switch, 10... Rear window limit switch, 11... Power window regulator motor, I2... Wiper motor circuit, 13... Rear wiper switch circuit, 14...
-Washer motor, 20... Roof, 21... Vehicle body, 22... Back door, 23... Rear window, U... Wiper, 25 Upper rest position. Patent applicant representative patent attorney Naotaka Ide

Claims (1)

[Claims] +11 A rear window of an automobile is equipped with a drive mechanism and a motor for lowering the window glass, and a control circuit for controlling the drive of the motor, the rear window having a wiper. In the power window control circuit of the equipped automobile, the mechanism for driving the wiper is provided with a detection circuit for detecting that the wiper is in the rest I position, and the detection circuit is provided with a detection circuit that detects that the wiper is in the rest position. A power window control circuit for an automobile, comprising a circuit that prohibits driving of the power window when there is no detection output to be detected. (2) The power window control circuit for an automobile according to claim (1), wherein the power window control circuit for an automobile is installed in a back door capable of opening and closing a rear window so that the rear window can be raised and lowered. (3) The power window control circuit for a motor vehicle according to claim (2), wherein the bank door is attached to the vehicle body so that it can be opened and closed by a lower hinge.