KR20130033086A - Apparatus and method for monitoring vehicle lamp status - Google Patents

Apparatus and method for monitoring vehicle lamp status Download PDF

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Publication number
KR20130033086A
KR20130033086A KR1020110096945A KR20110096945A KR20130033086A KR 20130033086 A KR20130033086 A KR 20130033086A KR 1020110096945 A KR1020110096945 A KR 1020110096945A KR 20110096945 A KR20110096945 A KR 20110096945A KR 20130033086 A KR20130033086 A KR 20130033086A
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South Korea
Prior art keywords
lamp
brake
signal
vehicle
transistor
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KR1020110096945A
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Korean (ko)
Inventor
함현수
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현대모비스 주식회사
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Priority to KR1020110096945A priority Critical patent/KR20130033086A/en
Publication of KR20130033086A publication Critical patent/KR20130033086A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
    • B60Q1/441—Electric switches operable by the driver's pedals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
    • B60Q11/005—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00 for lighting devices, e.g. indicating if lamps are burning or not
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/15—Failure diagnostics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/90—Driver alarms

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The present invention discloses a lamp condition monitoring apparatus and method. According to an aspect of the present invention, a lamp state monitoring device outputs a first signal when the first brake lamp of a vehicle equipped with first and second brake lamps is turned on, and the first brake lamp blinks. A first element outputting a second signal when the second signal is outputted; A second element outputting the first signal when the second brake lamp of the vehicle is turned on and outputting the second signal when the second brake lamp is blinking; And a lamp detector for requesting status monitoring from the instrument panel or the multimedia apparatus of the vehicle when at least one of the first and second devices outputs the second signal, wherein the first signal is logic high. High when the second signal is a logic low, and when the first signal is the logic low, the second signal is the logic high, the instrument panel or the multimedia device, the brake pedal of the vehicle ( When the state monitoring is requested during the operation of the padle, a failure of at least one of the first and second brake lamps corresponding to the at least one element is alerted.

Figure P1020110096945

Description

Apparatus and Method for Monitoring Vehicle Lamp Status}

The present invention relates to vehicle safety control, and more particularly, to a lamp condition monitoring apparatus and method that can warn a driver of a failure of a vehicle device.

Normally, the vehicle brake lamp is turned on when the brake pedal is operated to warn the rear vehicle of the brake operation so as to secure a safety distance.

However, the conventional vehicle is not provided with a warning device for warning the driver so that the burn out of the lamp.

Therefore, as the driver operates the vehicle without recognizing the damage of the brake lamp of the vehicle for a while, it may be difficult to secure a safety distance of the rear vehicle, which may pose a great threat to the safety of the front vehicle as well as the rear vehicle. .

SUMMARY OF THE INVENTION The present invention has been made in the technical background as described above, and an object thereof is to provide a lamp condition monitoring apparatus and method capable of warning a driver of a failure of a brake lamp.

According to an aspect of the present invention, a lamp state monitoring device outputs a first signal when the first brake lamp of a vehicle equipped with first and second brake lamps is turned on, and the first brake lamp blinks. A first element outputting a second signal when the second signal is outputted; A second element outputting the first signal when the second brake lamp of the vehicle is turned on and outputting the second signal when the second brake lamp is blinking; And a lamp detector for requesting status monitoring from the instrument panel or the multimedia apparatus of the vehicle when at least one of the first and second devices outputs the second signal, wherein the first signal is logic high. High when the second signal is a logic low, and when the first signal is the logic low, the second signal is the logic high, the instrument panel or the multimedia device, the brake pedal of the vehicle ( When the state monitoring is requested during the operation of the padle, a failure of at least one of the first and second brake lamps corresponding to the at least one element is alerted.

According to another aspect of the present invention, a lamp state monitoring apparatus includes: a first element configured to output a first signal when a first brake lamp of a vehicle is turned on and to output a second signal when the first brake lamp is blinking; A second element outputting the first signal when the second brake lamp of the vehicle is turned on and outputting the second signal when the second brake lamp is blinking; And a first input receiving the output of the first element, a second input receiving the output of the second element, a third input sensing whether the brake pedal is operated, and the first input when the brake pedal is operated. And warning the failure of at least one of the first and second brake lamps corresponding to the second signal when the second signal is input to at least one of the second inputs. And a lamp detector for requesting the device.

According to the present invention, by warning the driver of a breakdown of the brake lamp to assist the driver not to leave the breakdown of the brake lamp for a long time, the safety of the vehicle driver as well as the rear driver can be achieved.

1 is a circuit diagram showing a lamp state monitoring apparatus according to an embodiment of the present invention.
Figure 2 is a circuit diagram showing a lamp state monitoring apparatus according to another embodiment of the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. As used herein, the terms " comprises, " and / or "comprising" refer to the presence or absence of one or more other components, steps, operations, and / Or additions.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a circuit diagram illustrating a lamp state monitoring apparatus according to an embodiment of the present invention.

As shown in FIG. 1, the lamp state monitoring apparatus 10 according to an exemplary embodiment of the present invention may include the first elements TR1, R1, and R3, the second elements TR2, R2, and R4, and the lamp detector DT. ). In this case, although a brake lamp (including a light emitting device such as a LED, LED, etc.) of the vehicle may be provided in various ways, in FIG. A case of monitoring the first brake lamp L1 and the second brake lamp L2 located on the rear left side will be described as an example.

The first elements TR1, R1, and R3 output a first signal when the first brake lamp L1 is turned on, and output a second signal when the first brake lamp L1 blinks. Here, when the first signal is logic high, the second signal is logic low, and when the first signal is logic low, the second signal is logic low.

The second elements TR2, R2, and R4 output a first signal when the second brake lamp L2 is turned on, and output a second signal when the second brake lamp L2 flashes.

When at least one of the first and second elements TR1, 2, and R1 to 4 outputs a second signal, the lamp detector DT may include at least one of the instrument panel D1 and the multimedia device D2 of the vehicle. Requests monitoring of the brake pedal B_SW.

At least one of the instrument panel D1 and the multimedia apparatus D2 corresponds to at least one element that outputs a second signal when a state monitoring is requested from the lamp detection unit DT when the brake pedal B_SW is operated. Warn the failure of at least one of the first and second brake lamps L1, L2.

At least one of the instrument panel D1 and the multimedia device D2 warns of a failure of at least one of the first and second brake lamps L1 and L2 through a warning sound and a warning lamp, and the user may not recognize the brake lamp in which the failure occurs. For easy identification, it is possible to alert the breakdown by classifying the broken brake lamp.

Here, at least one of the lamp detector DT, the instrument panel D1, and the multimedia device D2 may be connected to a preset interface including a vehicle network.

The first and second devices TR1, 2, and R1 to 4 may be various electronic devices such as FETs and general purpose input / output (GPIO) devices, but the following descriptions refer to the first and second devices TR1, 2, It is assumed that R1 to 4 are the first and second transistors TR1 and TR2 and their peripheral circuits R1 to 4.

Referring to the circuit connection of FIG. 1, the base of the first transistor TR1 is configured to receive vehicle power that has passed through one end of the first brake lamp L1 when the first brake lamp L1 is operated. 1 is connected to the other end of the brake lamp (L1), the collector (Collector) of the first transistor (TR1) is connected to one input of the lamp detection unit (DT), the emitter (Emitter) of the first transistor (TR1) It is connected to the vehicle ground. Here, the collector of the first transistor TR1 is connected to the other end of the first resistor R1, one end of which is connected to the vehicle power supply supplied when the brake pedal B_SW is operated.

The base of the second transistor TR2 is connected to the other end of the second brake lamp L2 that is supplied with the vehicle power passing through one end of the first brake lamp L1 when the second brake lamp L2 is operated. The collector of the second transistor TR2 is connected to the other input of the lamp detector DT and the emitter of the second transistor TR2 is connected to the vehicle ground. Here, the collector of the second transistor TR2 is connected to the other end of the second resistor R2, one end of which is connected to a vehicle power supply supplied when the brake pedal B_SW is operated.

In this case, the bases of the first and second transistors TR1 and TR2 may be protected by connecting the first and second protection resistors R3 and R4 in series.

Here, since the emitters of the first and second transistors TR1 and TR2 are connected to the ground, they are low regardless of whether the first brake lamp L1 is turned on.

Referring to the circuit operation of FIG. 1, when the brake pedal B_SW is operated, vehicle power is supplied to one ends of the first and second brake lamps L1 and L2.

At this time, when the first and second brake lamps L1 and L2 operate normally, the vehicle power applied to one end of the first and second brake lamps L1 and L2 is the first and second brake lamps L1 and L2. ), The bases of the first and second transistors TR1 and TR2 are under logic. Thus, the first and second transistors TR2 are turned on and the collectors of the first and second transistors TR1 and TR2 are logic low.

When the first and second brake lamps L1 and L2 fail, the vehicle power applied to one end of the first and second brake lamps L1 and L2 is the other end of the first and second brake lamps L1 and L2. Since it is not delivered to, the bases of the first and second transistors TR1 and TR2 are logic low. Therefore, the first and second transistors TR1 and TR2 are not turned on, and the collectors of the first and second transistors TR1 and TR2 are logic high.

The lamp detector DT requests status monitoring to at least one of the first and second transistors TR1 and TR2 when the collector is logic high, at least one of the instrument panel D1 and the multimedia device D2.

Hereinafter, a lamp state monitoring apparatus according to another embodiment of the present invention will be described with reference to FIG. 2. 2 is a circuit diagram illustrating a lamp state monitoring apparatus according to another embodiment of the present invention.

As shown in FIG. 2, the lamp state monitoring apparatus according to another embodiment of the present invention may include the first elements TR1, R1, and R3, the second elements TR2, R2, and R4, and the lamp detector DT. ).

The first elements TR1, R1, and R3 output a first signal when the first brake lamp L1 is turned on, and output a second signal when the first brake lamp L1 blinks. Here, when the first signal is logic high, the second signal is logic low, and when the first signal is logic low, the second signal is logic low.

The second elements TR2, R2, and R4 output a first signal when the second brake lamp L2 is turned on, and output a second signal when the second brake lamp L2 flashes.

The lamp detector DT includes first to third inputs and at least one output for respectively detecting whether the first and second brake lamps L1 and L2 are operated and whether the brake pedal B_SW is operated.

The first input of the lamp detector DT is connected to the output of the first elements TR1, R1, and R3, and the second input is connected to the output of the second elements TR2, R2, and R4, and the third input. Is connected to one ends of the first and second brake lamps L1 and L2 supplied with the vehicle power when the brake pedal B_SW is operated.

The output of the lamp detection unit DT is connected to at least one of the instrument panel D1 and the multimedia device D2 through a predetermined interface including a vehicle network.

When the second signal is input to at least one of the first and second inputs when the logic high (ie, vehicle power) is applied to the third input, the lamp detector DT may include the first and second brake lamps L1, It is determined that a failure has occurred in one of L2).

That is, when the brake pedal is operated, when the brake pedal is operated, if the at least one of the first and second brake lamps L1 and L2 is not detected, the lamp detector DT determines that the at least one brake pedal is broken.

The lamp detector DT transmits information on at least one brake lamp in which a failure occurs to the instrument panel or the multimedia device D2.

Then, at least one of the instrument panel D1 and the multimedia device D2 checks the information on the brake lamp, and notifies the user with a warning sound or a warning lamp that a failure occurs in the brake lamp.

As described above, the present invention can warn the driver of the failure of the brake lamp in near real time to assist the driver not to leave the failure of the brake lamp for a long time, thereby ensuring safety for the vehicle driver as well as the rear driver.

While the present invention has been described in detail with reference to the accompanying drawings, it is to be understood that the invention is not limited to the above-described embodiments. Those skilled in the art will appreciate that various modifications, Of course, this is possible. Accordingly, the scope of protection of the present invention should not be limited to the above-described embodiments, but should be determined by the description of the following claims.

Claims (8)

A first element outputting a first signal when the first brake lamp of the vehicle equipped with the first and second brake lamps is turned on, and outputting a second signal when the first brake lamp flashes;
A second element outputting the first signal when the second brake lamp is turned on, and outputting the second signal when the second brake lamp is blinking; And
When the at least one of the first and second devices outputs the second signal, and comprises a lamp detection unit for requesting the status monitoring to the instrument panel or multimedia device of the vehicle,
The second signal is logic low when the first signal is logic high, and the second signal is logic high when the first signal is logic low,
The instrument panel or the multimedia device warns of failure of at least one of the first and second brake lamps corresponding to the at least one element when the state monitoring is requested when the brake pedal of the vehicle is operated. The lamp state monitoring device. The method of claim 1, wherein when the first and second elements are first and second transistors,
The base of the first transistor is connected to the other end of the first brake lamp supplied with the vehicle power when the first brake lamp is operated, and the collector of the first transistor is one of the lamp detectors. An emitter of the first transistor is connected to a vehicle ground;
The base of the second transistor is connected to the other end of the second brake lamp that is supplied with the vehicle power when the second brake lamp is operated, the collector of the second transistor is connected to the other input of the lamp detection unit, And the emitter of the second transistor is connected to the ground. 3. The vehicle according to claim 2, wherein the brake pedal is operated so that the vehicle power is supplied to one end of the first and second brake lamps.
When the first and second brake lamps operate normally, the base of the first and second transistors is the logic high, the collector of the first and the second transistors is the logic low,
If the first and second brake lamps fail, the bases of the first and second transistors are logic high, the collectors of the first and second transistors are logic high,
And the lamp detecting unit requests the state monitoring when at least one of the collectors of the first and second transistors is the logic high. The method of claim 1,
The lamp state monitoring device is connected to the instrument panel of the vehicle or a predetermined interface including the multimedia device and the vehicle network. A first device outputting a first signal when the first brake lamp of the vehicle is turned on, and outputting a second signal when the first brake lamp is blinking;
A second element outputting the first signal when the second brake lamp of the vehicle is turned on and outputting the second signal when the second brake lamp is blinking; And
A first input receiving the output of the first element, a second input receiving the output of the second element, a third input sensing whether the brake pedal is operated, and the first input when the brake pedal is operated; Instrument panel or multimedia device of the vehicle to warn of failure of at least one of the first and second brake lamps corresponding to the second signal when the second signal is input to at least one of the second inputs. Lamp detector
Lamp status monitoring device comprising a. The method of claim 5,
The lamp detecting unit transmits information on the at least one brake lamp in which a failure occurs to the instrument panel or the multimedia device,
The instrument panel or the multimedia device, the lamp status monitoring device to warn by distinguishing the failure of the at least one brake lamp. The method of claim 5, wherein when the first and second elements are first and second transistors,
The base of the first transistor is connected to the other end of the first brake lamp which is supplied with vehicle power when the first brake lamp is operated, and the collector of the first transistor is connected to the lamp sensing unit. Is connected to a first input, and an emitter of the first transistor is connected to vehicle ground,
The base of the second transistor is connected to the other end of the second brake lamp which is supplied with the vehicle power when the second brake lamp is operated, and the collector of the second transistor is connected to the second input of the lamp sensing unit. The emitter of the second transistor is connected to the vehicle ground;
The lamp detecting unit, when the second signal is input to the first and second inputs, requests the instrument panel or the multimedia device to warn of failure of the at least one brake lamp corresponding to the second signal. Lamp status monitoring device. The method of claim 5, wherein the third input when the brake pedal is operated, when receiving the vehicle power,
And the lamp detecting unit determines that the brake pedal is operated when the vehicle power is input to the third input.
KR1020110096945A 2011-09-26 2011-09-26 Apparatus and method for monitoring vehicle lamp status KR20130033086A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170007023A (en) * 2015-07-10 2017-01-18 현대모비스 주식회사 LED failure warning apparatus
US9846997B2 (en) 2013-10-23 2017-12-19 Hyundai Motor Company Apparatus, method and system for checking rear lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9846997B2 (en) 2013-10-23 2017-12-19 Hyundai Motor Company Apparatus, method and system for checking rear lamp
KR20170007023A (en) * 2015-07-10 2017-01-18 현대모비스 주식회사 LED failure warning apparatus

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