JP2526023Y2 - Power window control device - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to a power window control device in which a switch signal generated by operating an operation switch of a switch unit is input to a control circuit, and the control circuit drives a relay to operate a motor. More particularly, the present invention relates to a power window control device having a function of diagnosing whether a switch unit or the like operates normally.

[0002]

2. Description of the Related Art Conventionally, in a power window control device of this type, a switch unit is provided at each door of an automobile, and an operation switch of each switch unit is operated to open and close a window of each door by moving up and down. An operation switch for opening and closing a window of another door is also provided in the switch unit of the driver's seat.

As shown in FIG. 3, a switch unit 11 provided on a driver's seat door 1 includes a driver's seat window operation switch 11b, a passenger seat window operation switch 11b, and a rear seat window operation switch. 11c and 11d are provided, and a switch unit 21 provided in the door 2 of the passenger seat is provided with an operation switch 21a for a passenger seat window, and a rear seat door (not shown) also has a window operation switch for each door. Switch units are provided.

[0004] In addition, 11e is a motor for vertically operating the window of the driver's seat door, and 21b is a motor for vertically operating the window of the passenger's seat door. Reference numeral 3 denotes door mirrors provided on the driver's seat and the passenger's seat, respectively. Operation switches for adjusting the door mirror 3 and for locking the door are also provided on the switch unit 11 of the driver's seat. I have.

The operation switches 11b to 11d of the switch unit 11 provided on the door 1 of the driver's seat do not directly drive the motors of the other doors but operate the switches generated by the operation of each operation switch. After a signal is once input to the control unit 4 provided separately from each switch unit via the communication line L,
A signal is sent from the control unit 4 to the corresponding door switch unit to drive the relays therein to operate the respective motors.

The control unit 4 is provided with a monitor LED which is turned on by operating an operation switch of each switch unit. By monitoring the monitor LED, each operation switch and the communication line L operate normally. An abnormality can be diagnosed by detecting whether or not the abnormality is detected.

[0007]

However, since the control unit 4 is arranged in a hidden position which cannot be directly seen by a normal driver, each operation switch and the communication line L are normally operated while operating each operation switch. It is difficult to diagnose whether or not each unit is working, and it is not possible to diagnose each unit while it is actually mounted on the car, there is no problem with the diagnosis before mounting, but after mounting, remove each unit and remove it Diagnosis must be performed, and there is a problem that workability during maintenance is poor.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a power window control device capable of easily checking the operation of main components while being mounted on an automobile, in view of the above-mentioned problems of the prior art.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a power window control device according to the present invention performs an operation on a driver's seat door by operating a motor that moves the window of the driver's door up and down. In addition to the operation switch for the own window, a switch unit having an operation switch for the other window for performing an operation of operating the motor for moving the window of the other door up and down is provided. In a power window control device provided with a switch unit having an operation switch for own window for performing an operation of operating a motor for moving up and down each window, each of the switch units is operated by operating an operation switch for own window. Motors that move their windows up and down by inputting generated switch signals Incorporates a control circuit for dynamic control, the control circuit of the switch unit provided on the door of the driver's seat,
A switch signal generated by operating the other window operation switch is input, and in response to this, a signal is sent to a control circuit of a switch unit provided on another corresponding door via a communication line, and the signal is received. A control circuit of a switch unit provided on the door controls the operation of a motor that moves the window up and down in response to the reception of the signal, and a light source is provided corresponding to each operation switch of the switch unit. The control circuit of the switch unit of the door of the driver's seat enters a diagnostic operation state in response to the operation of the operation switch in a specific combination that is not normally performed, and the control circuit of the switch unit of another door via the communication line. In the diagnostic operation state. In the diagnostic operation state, each control circuit unit operates in response to the operation of the own-window operation switch, and the light provided corresponding thereto. Flashes, and the control circuit of the switch unit of the driver's seat flashes the light source provided in accordance with the operation of the other window operation switch, and the other door switch unit for the own window. A signal for blinking a light source provided corresponding to the operation switch is transmitted to a control circuit unit of a switch unit of another door via a communication line.

[0010]

In the above configuration, each of the switch unit provided on the driver's seat door and the switch unit provided on the doors other than the driver's seat door inputs a switch signal generated by operating the own window operation switch. In addition, a control circuit for controlling the operation of the motor for moving the window up and down is built in. Then, the control circuit of the switch unit provided on the driver's seat door receives a switch signal generated by operating the other window operation switch, and provides the corresponding switch via the communication line with the corresponding other door. A signal is transmitted to the control circuit of the switch unit. The control circuit of the switch unit provided on the other door that has received this signal controls the operation of the motor that moves the window up and down in response to the reception of this signal.

The control circuit of the switch unit of the door at the driver's seat enters a diagnostic operation state in response to the operation of the operation switch in a specific combination which is not normally performed, and the control circuit of the switch unit of the other door is connected via the communication line. Put the unit in the diagnostic operation state. In this diagnostic operation state, each control circuit unit blinks a light source provided in response to the operation of the own window operation switch. Then, the control circuit of the switch unit of the driver's door blinks the light source provided in response to the operation of the other window operation switch, and the own window operation switch of the other door switch unit. Is transmitted to the control circuit of the switch unit of another door via a communication line.

Therefore, in the diagnostic operation state, if the light source provided in response to the operation of the operation switch for the own window does not blink even if the operation switch for the own window is operated, it can be diagnosed that the operation switch for the own window is in poor contact. Further, when the control circuit of the switch unit of the driver's seat door operates in response to the operation of another window operation switch and the corresponding light source does not blink, it is determined that the other window operation switch has poor contact. Diagnosis can be made, and when the light source provided corresponding to the own window operation switch of the switch unit of the other door does not blink, it can be diagnosed that communication through the communication line is not normally performed.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an embodiment of a power window control device according to the present invention. In the figure, the power window control device includes a switch unit 110 provided on a driver seat door and a switch unit 120 provided on a passenger seat door.

The switch unit 110 includes a driver's seat window operation section 110a for performing an operation of vertically moving a driver's door window, and a passenger's seat window for performing an operation of vertically moving a front passenger's door window. Operation unit 110b, and a window lock operation unit 110c for performing an operation of locking so as to prohibit an operation of vertically moving the window of the passenger seat. Both the driver's window operation unit 110a and the passenger's window operation unit 110b are always in the neutral position and are both off switch USW and down switch DS.
For example, it can be formed by a seesaw switch made of W. The window lock operation unit 110
c can be formed by an on / off switch OFSW.

Light emitting diodes (LEDs) 110Da, 110Db, and 110Dc are built in the operation buttons of the driver's window operation unit 110a, the passenger's window operation unit 110b, and the window lock operation unit 110c.

The switch unit 110 further includes an IC
A power supply line L1 connected to the battery via an ignition switch IGN and a power supply line L2 directly connected to the battery are provided in the control circuit 110d. It is connected. Each switch of the operation section is connected to the control circuit section 110d between the control circuit section 110d and the ground, and the LED is connected to the power supply line L2 via a resistor R.
Are connected respectively. The control circuit 110d also includes relay coils 110L1 and 11L of the relay 110e.
0L2 is connected, the energization to the relay coils 110L1 and 110L2 via the power supply line L2 is selectively performed, the relay contacts 110S1 and 110S2 are switched, the energization to the motor 110f is controlled, and the motor 110f is operated. Up and down movement.

The switch unit 120 has a passenger seat window operating section 120a for performing an operation of vertically moving a door window of the passenger seat. The passenger-seat window operation unit 120a includes an up switch USW and a down switch DSW which are always in a neutral position and both are off.
For example, by a seesaw switch. Lighting light emitting diodes (LEDs) 120Da are provided in the operation buttons of the passenger seat window operation unit 120a.
Is built-in.

The switch unit 120 further includes an IC
A power supply line L2 is connected to the control circuit unit 120b, and each switch of the operation unit is connected between the power supply line L2 and the ground. L2
Are connected to each other via the. The control circuit unit 120b also includes the relay coil 1 of the relay 120c.
20L1 and 120L2 are connected, the energization to the relay coils 120L1 and 120L2 via the power supply line L2 is selectively performed to switch the relay contacts 120S1 and 120S2, and the energization to the motor 120d is controlled by controlling the energization to the motor 120d.
20d is operated to move the window up and down.

The control circuit section 110d of the switch unit 110 and the control circuit 12 of the switch unit 120
0b is mutually controlled by a communication line L3 for performing multiplex communication. This communication line L3 is used for transmitting a plurality of types of signals through a single line.

In the above configuration, the switch unit 1
A switch signal generated by operating a switch of each of the ten operation units 110a to 110c is a control circuit unit 110d.
Is input to Now, in the switch unit 110,
Up switch U of driver's seat window operation unit 110a
When the SW is turned on, the switch signal is sent to the control circuit unit 1
When input to 10d, the control circuit unit 110d
The port to which one end of the relay coil 110L1 of 10e is connected is set to L level, whereby the relay coil 1
A current flows through 10L1, the relay contact 110S1 is turned on, a current flows through the motor 110f in one direction, and the window is driven in the upward direction. Down switch D
When the SW is turned on, a current flows through the relay coil 110L2, and the relay contact 110S2 is turned on.
A current is caused to flow in the opposite direction to 10f, and the window is driven in the downward direction.

An operation unit 110b for a passenger seat window
Alternatively, when a switch of the window lock operation unit 110 c is operated, the switch signal is transmitted to the control circuit unit 11.
In response to this, the control circuit unit 110d transmits a signal coded corresponding to each switch to the control circuit unit 120b of the switch unit 120 via the communication line L3. When the control circuit unit 120b receives the signal transmitted from the control circuit unit 110d in response to the operation of the switch of the passenger seat window operation unit 110b, the control circuit unit 120b decodes the signal, and the control circuit unit 120b responds to the decoded result. The relay 120c is driven to control the motor 120d. When the switch of the window lock operation unit 110 c is turned on, the passenger seat window operation unit 110 b of the switch unit 110 and the switch unit 120
Even if the passenger's seat window operation unit 120a is operated, the motor 120d is not controlled, so that the lock state is set.

The above operation is performed by the ignition switch IG
When N is on and the ignition switch is not on, power is not supplied through the power line L1, but power is supplied to the control circuit units 110d and 120b through the power line L2. In this state, when the switch of the window lock operation unit 110c is off and the switches of the driver's window operation unit 110a and the passenger's seat window operation unit 110b are simultaneously operated for a certain period of time or more, the control circuit unit 11
0d detects this, and thereafter performs the operation in the diagnostic mode (diagnosis mode). The combination of the switches of the driver's seat window operation unit 110a and the passenger's seat window operation unit 110b that are simultaneously operated may be any of the up switch USW and the down switch DSW, or may be fixed.

In the diagnostic mode, the control circuit 11
0d turns on the LEDs 110Da to 110c, and transmits a signal to that effect to the control circuit unit 120b of the switch unit 120 via the communication line L3 to turn on the LEDs 12Da.
0Da is also turned on.

In this state, when the switch of the operation unit 110b for the front passenger seat window of the switch unit 110 is operated, the control circuit unit 110d responds to this by causing the LED 110D to operate.
b is turned on and off, and a signal is transmitted from the control circuit unit 110d to the control circuit unit 120b of the switch unit 120 via the communication line L3.
Blinks the LED 120Da.

Here, if the LED 110Db does not blink, it is considered that there is a contact abnormality of the switch of the passenger seat window operation unit 110b. If the LED 120Da does not blink even though there is no abnormality in the operation of the switch unit 120 itself. , It can be determined that the communication line L3 is abnormal.

In the diagnostic mode, the LED corresponding to each switch blinks in response to the ON operation of each switch. If the LED does not blink, it is determined that the switch corresponding to the non-flashing LED has a contact abnormality. can do.

The release of the diagnostic mode is performed, for example, in the same manner as in the setting of the diagnostic mode, for example, the driver's window operating unit 110a and the passenger's window operating unit 110b.
It is only necessary to operate the switches at the same time for a certain period of time or more. In response to this, the LED is turned off and the operation returns to the normal operation. When the ignition switch IGN is turned on, the diagnosis mode is released, and the mode is switched to the normal power window control.

The details of the operation of the device outlined above will be described below with reference to the flowchart of FIG. 2 showing the work executed by a microcomputer (not shown) incorporated in the control circuit unit 110d according to a predetermined program.

The microcomputer in the control circuit unit 110d starts operation by connecting the power supply line L2 and supplying power from the battery, and in the first step S1, the state of the power supply line L1 and the operation units 110a to 110d are controlled.
The state of 0c is read, and the process proceeds to step S2 to determine whether or not the ignition switch IGN is on based on the state of the power supply line L1.

When the ignition switch IGN is turned on and the determination in step S2 is YES, step S
The process proceeds to step 3, where it is determined whether or not the on / off switch OFSW of the window lock operation unit 110c is on. When the ON / OFF switch OFSW is ON and the determination in step S3 is YES, the process proceeds to step S4, where the operation prohibition processing of the passenger seat window operating units 110b and 120a of the switch units 110 and 120 is performed. Specifically, the processing in step S4 is such that even if the switches of these operation units are operated, they are ignored.

After the execution of step S4, the process proceeds to step S5, where it is determined whether or not the switch of the operation unit 110a is turned on. If the determination in step S5 is YES, the process proceeds to step S6 and the operated switch is operated. USW
Alternatively, after performing the control according to the DSW, step S1 is performed.
And the above state is read.

If the determination in step S3 is not YES, that is, if the on / off switch OFSW of the window lock operation unit 110c is not on, the process proceeds to step S7, where the driver's window operation unit 1
It is determined whether or not the operation switches of the operation panel 10a and the passenger's seat window operation unit 110b are operated. If the determination is YES, the process proceeds to step S8 to perform control according to the operated switch, and then returns to step S1. .

When the determination in step S2 is not YES, that is, when the ignition switch IGN is not turned on and power is not supplied to the power supply line L1, the process proceeds to step S9, where the window lock operation unit 1
It is determined whether or not the on / off switch OFSW 10c is off. If the determination in step S9 is YES, the process proceeds to step S10.

In step S10, the driver's seat window operating unit 110a and the passenger seat window operating unit 1
It is determined whether or not the operation switches of 10b are simultaneously operated. If the determination is YES, the process proceeds to step S11,
Here, it is determined whether or not the operation has been performed for a predetermined time T1 or more. If the determination in step S11 is YES, the diagnostic (diagnosis) mode is set and step S11 is performed.
Proceed to 12. Here, when the ignition switch IGN is input during the diagnosis mode, the IGN signal is checked in order to return to the normal mode, and when the ignition switch is "ON", the diagnosis mode is canceled and the process returns to the start A. Also,
When the ignition switch IGN is "OFF", the process proceeds to step 14, where the LEDs 110Da to 110D
c and the LED 120Da are turned on.

Since the lighting of the LED 120Da of the control circuit unit 120b cannot be directly performed by the control circuit unit 110d, a signal is sent from the control circuit unit 110d to the control circuit unit 120b via the communication line L3 in the setting of the diagnostic mode. Then, the control circuit unit 120b is also set to the diagnostic mode so that the control circuit unit 120b turns on the LED 120Da.

Thereafter, the flow advances to step S15, in which it is determined whether or not the operation switch of the passenger seat window operation section 110b is ON. The determination in step S15 is YES.
In the case of S, the process proceeds to step S16 and the LED 110Db
Blinks, and sends a signal for blinking the LED 120Da, and then proceeds to step S17. LED 110Db which is driven to blink in this step S16
When does not blink, the passenger's seat window operation unit 110
When the operation switch b is abnormal and the LED 120Da does not blink, it can be determined that the communication line L3 or the communication function is abnormal. When the determination in step S15 is NO, step S16 is skipped and step S16 is skipped.
Proceed to 17.

In step S17, the driver's seat window operating section 110a or the window lock operating section 1
It is determined whether or not the operation switch of 10c is operated,
When the determination is YES, the process proceeds to step S18, where the LED 110Da or 1 corresponding to the operated switch is
After blinking 10Dc, the process proceeds to step S19. LED 110D which is driven to blink in step S18
When a or 110Dc does not blink, driver's seat window operating section 110a or window lock operating section 11
It can be determined that the operation switch 0c is abnormal. If the determination in step S17 is NO, step S18 is skipped and the process proceeds to step S19.

In step S19, the driver's seat window operating unit 110a and the passenger seat window operating unit 1
It is determined whether or not the operation switches of 10b are simultaneously operated, and if the determination is YES, the process proceeds to step S20,
Here, it is determined whether or not the operation has been performed for a predetermined time T1 or more. When the determination in step S20 is YES, the diagnostic (diagnosis) mode is canceled and the process proceeds to step S20.
21 and turns off the LEDs 110Da to 110Dc and the LED 120Da.
Return to When the determinations in steps S19 and S20 are NO, the process returns to step S12 to repeat the above operation.

As described above, the driver's window operating section 110a and the passenger's window operating section 110b
When the operation switches are simultaneously operated for a certain period of time T1 or more,
The diagnostic mode is set, and the LED 110D
Since a to 110Dc and the LED 120Da are turned on, it is understood that the diagnostic mode has been set.

Thereafter, the passenger seat window operating section 110
When the operation switch b is turned on, the LEDs 110Db and L
Since ED120Da is made to blink, L
If the ED 110Db does not blink, the operation switch of the front passenger seat window operation unit 110b is abnormal.
When Da does not blink, it can be determined that there is an abnormality in the communication line L3 or the communication function. When the operation switch of the driver's seat window operation unit 110a or the window lock operation unit 110c is turned on, the LED 110D is turned on.
a or 110Dc blinks.
When the LED 110Da or 110Dc does not blink, it can be determined that there is an abnormality in the operation switch of the driver's seat window operation unit 110a or the window lock operation unit 110c.

[0041]

According to the present invention, as described above, in the diagnostic operation state, if the light source provided in response to the operation of the own window operation switch does not blink, the own window operation switch is not operated. If the contact circuit can be diagnosed as a poor contact and the light source provided by the control circuit of the switch unit of the driver's seat door does not blink in response to the operation of the other window operation switch, the other window The operation switch can be diagnosed as having poor contact, and when the light source provided corresponding to the own window operation switch of the switch unit of the other door does not blink, it can be diagnosed that communication through the communication line is not performed normally. Therefore, the operation check of the main components can be easily performed in a state of being mounted on the vehicle.

[Brief description of the drawings]

FIG. 1 is a diagram showing an embodiment of a power window control device according to the present invention.

FIG. 2 is a flowchart showing work performed by the microcomputer in FIG. 1;

FIG. 3 is a diagram illustrating a configuration example of a conventional power window device.

[Explanation of symbols]

 110, 120 Switch unit 110a, 120a Own window operation switch 110b Other window operation switch 110d, 120b Control circuit unit 110f, 120d Motor L3 Communication line 110Da to 110Dc, 120Da Light source

Claims (1)

(57) [Scope of request for utility model registration] An operation switch for operating a motor for moving a window of a driver's door up and down, and a motor for moving a window of another door up and down are provided on the door of the driver's seat. A switch unit having an operation switch for another window for performing an operation to operate is provided, and an operation switch for a self-window for performing an operation to operate a motor for moving up and down each window on a door other than the door of the driver's seat. A power window control device provided with a switch unit having: a control in which each of the switch units inputs a switch signal generated by operation of an operation switch for the own window and operates and controls a motor that moves up and down each window. The control unit of the switch unit installed in the driver's seat door A switch signal generated by operating the operation switch for another window is input, and in response to the input, a signal is sent to a control circuit unit of a switch unit provided in another corresponding door via a communication line. A control circuit of a switch unit provided on the door controls the operation of a motor that moves the window up and down in response to the reception of the signal, and a light source is provided corresponding to each operation switch of the switch unit. The control circuit of the switch unit of the driver's door is
In the diagnostic operation state according to the operation of the operation switch by a specific combination that is not normally performed, the control circuit unit of the switch unit of another door is set to the diagnostic operation state via the communication line, and in the diagnostic operation state, The control circuit flashes the light source provided in response to the operation of the own window operation switch, and the control circuit of the driver door switch unit responds to the operation of other window operation switches. A signal for blinking the light source provided in accordance with the operation switch for the own window of the switch unit of the other door and controlling the switch unit of the other door via a communication line. A power window control device for transmitting to a circuit unit.