JP2004034825A - Lighting system control device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting system control device for enabling a driver or the like to correctly recognize abnormality of lighting system loads. <P>SOLUTION: In this lighting control device, the flowing state of the current to lighting system loads 31 and 33 is detected by terminal parts 23 and 24, the result of detection is given to a central control unit 21 via a connection route, the central control unit 21 recognizes a drive state of the lighting system loads 31 and 33 based on the given result of detection, and the drive state is informed via a speaker 25 and an indicator 27. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a lighting control device for a vehicle.
[0002]
[Prior art]
FIG. 2 is a circuit diagram of a conventional lighting system control device. As shown in FIG. 2, the lighting system control device controls the left and right tail lamps (lighting system loads) 1 and 3 of the vehicle and notifies the driving state thereof. Based on the operation, the tail lamps 1 and 3 are turned on and off, and the indicator lamp 7 serving as a notification means is turned on and off in conjunction with the turning on and off of the tape lamps 1 and 3. The driving state (here, on / off state) of the tail lamps 1 and 3 is notified.
[0003]
That is, in this prior art, the indicator lamp 7 is connected in parallel to the tail lamps 1 and 3 on the power supply line 19 to the tail lamps 1 and 3 which are the lighting system loads, and the on / off state of the indicator lamp 7 is visually recognized. This allows the driver or the like to recognize the on / off state of the tape lamps 1 and 3.
[0004]
The specific operation is as follows. When the operation switch 5 is turned on, the transistor 9 is turned on accordingly, so that the current flows from the power supply line 11 to the relay coil 15a of the relay switch 15 of the junction box 13, the transistor 9 and The current flows to the ground via the operation switch 5, and the relay switch 15 is turned on. Then, when the relay switch 15 is turned on, current flows from the power supply line 11 to the ground via the relay switch 15, the fuse 17 and the tail lamps 1, 3 and the indicator lamp 7, whereby the tail lamps 1, 3 and the indicator The lamp 7 turns on.
[0005]
On the other hand, when the operation switch 5 is turned off, the transistor 9 and the relay switch 15 are turned off, the energization of the tail lamps 1, 3 and the indicator lamp 7 is stopped, and the tail lamps 1, 3 and the indicator lamp 7 are turned off.
[0006]
[Problems to be solved by the invention]
However, in the above-described conventional technology, the power supply of the indicator lamp 7 is performed even if the tail lamps 1 and 3 are not turned on when they should be turned on due to the disconnection of the power supply line 19a to the tail lamps 1 and 3, the failure of the tail lamps 1 and 3. When the line 19b is normal, since the indicator lamp 7 is turned on, there is a problem that the driver or the like may not recognize that the tail lamps 1, 3 to be turned on are not turned on.
[0007]
SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a lighting system control device that allows a driver or the like to accurately recognize an abnormality in a lighting system load.
[0008]
[Means for Solving the Problems]
Technical means for achieving the above object is to control the lighting system load based on a command input for controlling the lighting system load of the vehicle, and to control the lighting system load to notify a driving state of the lighting system load. An apparatus, comprising: a notifying unit, a detecting unit that detects a current flowing state to the lighting system load, and controlling the lighting system load based on the command input, based on a detection result of the detecting unit. Control means for recognizing the driving state of the lighting system load and informing the driving state via the notifying means.
[0009]
Preferably, the control unit compares the control content of the lighting system load with the detection result of the detection unit, and when the abnormality of the lighting system load is detected, notifies the abnormality via the notifying unit. It is preferable to further provide a function of performing
[0010]
Further, a technical means for achieving the above object is to control the lighting system load based on a command input for controlling a lighting system load of a vehicle, and to notify a driving state of the lighting system load. A system control device, comprising: a central control unit and a terminal unit connected to each other by a wired or wireless connection path; and a notifying unit, wherein the terminal unit is provided from the central control unit via the connection path. Controlling the lighting system load based on the control signal received, detecting the state of current flow to the lighting system load, and providing the detection result to the central control means through the connection path, The means creates the control signal based on the command input and provides the control signal to the terminal means via the connection path, while generating Recognizing the driving status of the lamp system load Zui, it is preferable to notify the driving state via said notification means.
[0011]
Further preferably, the central control means compares the control content of the lighting system load corresponding to the control signal given to the terminal means with the detection result given from the terminal means, and It is preferable to further provide a function of notifying an abnormality via the notifying means when the abnormality is detected.
[0012]
Preferably, the notification means outputs the notification by at least one of sound and light.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a block diagram of a lighting system control device according to one embodiment of the present invention. As shown in FIG. 1, the lighting system control device includes a central control unit (control unit, central control unit) 21 and at least one (here, 2) connected by a wired or wireless (here, wired) connection path. (Terminal means) 23 and 24, and a speaker 25 and an indicator 27 corresponding to the notification means. The lighting system control device controls the lighting system loads 31, 33 based on command inputs from the respective switches 35 for controlling the lighting system loads 31, 33 of the vehicle, and also controls the lighting system loads 31, 33. The driving state of the vehicle is notified.
[0014]
Here, the front-side terminal unit 23 is assigned to a front-side lighting system load 31 such as a headlamp, and is installed, for example, on the front side of the vehicle. The rear terminal 24 is assigned to a rear lighting load 33 such as a tail lamp, and is installed, for example, on the rear side of the vehicle. Further, as the indicator 27, it is assumed that a plurality of indicator lamps corresponding to the respective lighting system loads 31 and 33 are provided, but a display such as an LCD may be provided as the indicator 27.
[0015]
Each of the terminals 23 and 24 includes drive circuits 23a and 24a and microcomputers 23b and 24b. The driving circuits 23a and 24a of the terminal units 23 and 24 are provided with switching transistors and the like, and drive the lighting system loads 31 and 33 based on the driving signals supplied from the microcomputers 23b and 24b (for example, on and off). ). At this time, the lighting system loads 31 and 33 are driven by the electric power supplied from the power supply line 37.
[0016]
The microcomputers 23b and 24b generate the drive signal based on the control signal given from the central control unit 21 via the connection path, and drive-control the lighting system loads 31 and 33 via the drive circuits 23a and 24a. The current flowing state (here, the current value) from the power supply line 37 to the lighting system loads 31 and 33 is detected via the drive circuits 23a and 24a, and the detection result is sent to the central control unit 21 via the connection path. It is supposed to be sent.
[0017]
The central control unit 21 generates the control signal based on a command input given by turning on and off each switch 35 and supplies the control signal to each of the terminal units 23 and 24 via a connection path, while also providing each terminal unit 23 and 24 via a connection path. Based on the detection results provided from the units 23 and 24, the driving state (for example, ON / OFF state) of each of the lighting system loads 31 and 33 is recognized, and the driving state is sounded through the speaker 25 and the indicator 27. (Alarm sound, etc.) and light.
[0018]
The contents of the notification output include, for example, outputting a predetermined alarm sound for lighting notification to the speaker 25 when each of the lighting system loads 31 and 33 is lit, or setting the lighting system load when each of the lighting system loads 31 and 33 is lit. It is conceivable to light the indicator lamps of the indicators 27 corresponding to 31, 33.
[0019]
The central control unit 21 is also recognized from the control contents of the lighting system loads 31 and 33 corresponding to the control signals given to the terminals 23 and 24 and the detection results given from the terminals 23 and 24. The driving states of the lighting system loads 31 and 33 are compared with each other. As a result, when an abnormality of the lighting system loads 31 and 33 such as the lighting system loads 31 and 33 to be turned on is not detected, for example, is detected. Has a function of notifying abnormality by sound (alarm sound or the like) and light via the speaker 25 and the indicator 27.
[0020]
With such a configuration, for example, when a command input to turn on each of the lighting system loads 31 and 33 is given from the switch 35 to the central control unit 21 by switching of each switch 35, the central control unit 21 A control signal for turning on 31 and 33 is created and output to the corresponding terminals 23 and 24. In response to this, the microcomputers 23a and 24a of the corresponding terminals 23 and 24 turn on the lighting system loads 31 and 33 via the drive circuits 23a and 24a based on the applied control signals, and The supply current value to the lighting system loads 31 and 33 is detected through 23a and 24a, and the detection result is sent to the central control unit 21.
[0021]
In response to this, the central control unit 21 recognizes the driving state (turned on, etc.) of the corresponding lighting system loads 31, 33 based on the detection results given from the corresponding terminal units 23, 24. Then, it notifies and outputs via the speaker 25 and the indicator 27 that the lighting system loads 31, 33 have been turned on. Note that, as a modified example, when the lighting system loads 31 and 33 are turned off instead of or in addition to the on-time notification output, the speaker 25 and The notification may be output via the indicator 27.
[0022]
The central control unit 21 recognizes the control contents of the lighting system loads 31 and 33 corresponding to the control signals given to the terminal units 23 and 24 and the detection results given from the terminal units 23 and 24. The driving state of each of the lighting system loads 31 and 33 is compared with each other, and when an abnormality of each of the lighting system loads 31 and 33 is detected, a notification output indicating the abnormality is performed via the speaker 25 and the indicator 27. .
[0023]
As described above, according to the present embodiment, the state of current flow to the lighting system loads 31 and 33 is detected by each terminal unit 23 and 24, and the detection result is transmitted to the central control unit 21 via the connection path. The central control unit 21 recognizes the driving state of the lighting system loads 31 and 33 based on the given detection result, and notifies the driving state via the speaker 25 and the indicator 27. Therefore, the driving state of the lighting system loads 31 and 33 can be accurately notified to the driver and the like, and as a result, the driver and the like can accurately recognize the abnormality of the lighting system loads 31 and 33 due to disconnection or failure. Can be done.
[0024]
Further, the abnormality of the lighting system loads 31, 33 is automatically detected and notified, so that the driver or the like can easily recognize the abnormality of the lighting system loads 31, 33.
[0025]
Further, the notification output is performed by the speaker 25 and the indicator 27, so that the driver or the like can easily recognize the content of the notification.
[0026]
【The invention's effect】
According to the first aspect of the present invention, the driving state of the lighting system load is recognized based on the current flowing state to the lighting system load detected by the detecting means, and the recognition result is notified through the notifying means. As a result, the driving state of the lighting system load can be accurately notified to the driver and the like, and as a result, the driver and the like can accurately recognize the abnormality of the lighting system load due to disconnection or failure. Can be done.
[0027]
According to the second aspect of the present invention, the abnormality of the lighting system load is automatically detected and notified, so that the driver or the like can easily recognize the abnormality of the lighting system load. .
[0028]
According to the third aspect of the present invention, the terminal means detects the state of current flow to the lighting system load, and provides the detection result to the central control means via a wired or wireless connection path. The control means recognizes the driving state of the lighting system load based on the given detection result and notifies the driving state via the notifying means. Can be accurately notified, and as a result, the driver or the like can accurately recognize the abnormality of the lighting system load due to the disconnection, the failure, or the like.
[0029]
According to the fourth aspect of the invention, the abnormality of the lighting system load is automatically detected and notified, so that the driver or the like can easily recognize the abnormality of the lighting system load. .
[0030]
According to the invention described in claim 5, the notification output by the notification means is performed by at least one of sound and light, so that the driver or the like can easily recognize the content of the notification.
[Brief description of the drawings]
FIG. 1 is a block diagram of a lighting system control device according to an embodiment of the present invention.
FIG. 2 is a circuit diagram of a conventional lighting system control device.
[Explanation of symbols]
21 Central control unit 23, 24 Terminal unit 25 Speaker 27 Indicator 31, 33 Lighting system load 35 Switch

Claims (5)

A lighting system control device that controls the lighting system load based on a command input for controlling the lighting system load of the vehicle, and notifies a driving state of the lighting system load,
Notification means,
Detecting means for detecting a current flowing state to the lighting system load;
Control means for controlling the lighting system load based on the command input, recognizing a driving state of the lighting system load based on a detection result of the detection means, and notifying the driving state via the notifying means; ,
A lighting system control device comprising: The control means includes:
It further comprises a function of comparing the control content of the lighting system load with the detection result of the detecting means and notifying the abnormality via the notifying means when detecting an abnormality of the lighting system load. The lighting system control device according to claim 1, wherein A lighting system control device that controls the lighting system load based on a command input for controlling the lighting system load of the vehicle, and notifies a driving state of the lighting system load,
Central control means and terminal means connected to each other by a wired or wireless connection path,
Notification means,
With
The terminal means,
While controlling the lighting system load based on a control signal given from the central control means via the connection path, detecting the state of current flow to the lighting system load, and detecting the detection result through the connection path. To the central control means through
The central control means,
While the control signal is generated based on the command input and provided to the terminal means via the connection path, the driving of the lighting system load is performed based on the detection result provided from the terminal means via the connection path. A lighting system control device that recognizes a state and notifies the driving state via the notifying unit. The central control means,
The control content of the lighting system load corresponding to the control signal given to the terminal means is compared with the detection result given from the terminal means, and when the abnormality of the lighting system load is detected, the notification is made. The lighting system control device according to claim 3, further comprising a function of notifying an abnormality via the means. The lighting system control device according to any one of claims 1 to 4, wherein the notification unit performs notification output by at least one of sound and light.

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