KR20140013700A - Mornitoring apparatus for lamp of vehicles - Google Patents

Mornitoring apparatus for lamp of vehicles Download PDF

Info

Publication number
KR20140013700A
KR20140013700A KR1020120081818A KR20120081818A KR20140013700A KR 20140013700 A KR20140013700 A KR 20140013700A KR 1020120081818 A KR1020120081818 A KR 1020120081818A KR 20120081818 A KR20120081818 A KR 20120081818A KR 20140013700 A KR20140013700 A KR 20140013700A
Authority
KR
South Korea
Prior art keywords
light source
source unit
light
unit
lamp
Prior art date
Application number
KR1020120081818A
Other languages
Korean (ko)
Inventor
박세준
Original Assignee
현대모비스 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020120081818A priority Critical patent/KR20140013700A/en
Publication of KR20140013700A publication Critical patent/KR20140013700A/en

Links

Images

Classifications

    • 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
    • B60Q1/0029—Spatial arrangement
    • B60Q1/0041—Spatial arrangement of several lamps in relation to each other
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/47—Attachment thereof
    • 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
    • B60Y2400/30—Sensors

Landscapes

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

Abstract

The present invention relates to an apparatus for monitoring the malfunction of a lamp of a vehicle, which comprises: a reflector where an opening unit is formed at one side thereof and a space unit having a cone-shaped inner surface is formed; a light source unit which is placed at the other side opposite to the opening unit in order to radiate light; an inner lens which is placed to close the opening unit of the reflector and where the light radiated from the light source unit passes; a photo sensor unit which is placed in a reflection path inside the space unit after the light radiated from the light source unit is reflected or in a part which is out of a refraction path after being refracted, in order to recognize the irradiation of the light from the light source unit, and then applies a fixed electrical signal according to the recognition result. Therefore, the apparatus for monitoring the malfunction of a lamp of a vehicle can provide an advantage of allowing a user to easily monitor the malfunction of a lamp of a currently driving vehicle.

Description

Lamp malfunction monitoring device for vehicles {Mornitoring Apparatus for Lamp of vehicles}

The present invention relates to a device for monitoring a lamp malfunction of a vehicle, and more particularly, even when a connection to a power supply unit for driving a lamp is not disconnected, clearly determining whether a light source to be operated is malfunctioning, The present invention relates to a device for monitoring a lamp malfunction of a vehicle that can prevent a safety accident while driving by warning the user so that it can be easily understood.

In general, a head lamp and a rear lamp are provided at the front or the rear of the vehicle body as a device for securing visibility at bad weather or at bad weather.

The head lamp helps to secure the field of view of the driving direction by irradiating light in the direction of travel of the vehicle, while the rear lamp allows the following vehicle to secure a safe distance by irradiating light to the rear of the vehicle. It helps to secure the view of the driving direction in reverse driving.

Such a lamp device is a very important device that can ensure the safety of the driver of the vehicle at night or in bad weather is required to replace or repair quickly in case of malfunction.

However, the lamp device of a vehicle according to the prior art, based on the fact that the light source is operated based on the power, detects whether the power supply is disconnected, and determines that there is a disconnection, it is a malfunction, and determines that the operation is normal when there is no disconnection. Therefore, there is a case where a malfunction is not detected in the case where the light source itself fails without an actual disconnection. This leads to a problem that is very likely to cause a safety accident during bad weather and at night driving of the vehicle.

The present invention has been made in order to solve the above technical problem, by attaching a photo sensor unit for detecting the light of the light source unit on the inner surface of the reflector to detect the malfunction of the lamp by detecting it more precisely, while driving the vehicle An object of the present invention is to provide a lamp malfunction monitoring device for a vehicle that can prevent a safety accident in advance.

One preferred embodiment of the lamp malfunction monitoring apparatus of a vehicle according to the present invention, the opening is formed on one side, the reflector is formed with a space portion having an inner surface of the cone shape, and disposed on the other side opposite to the opening to irradiate light A light source unit disposed to shield the opening of the reflector, the inner lens through which the light irradiated from the light source unit passes, and a reflection path after the light emitted from the light source unit in the space part is reflected or out of the refraction path after the refraction The photo sensor unit may be disposed at a place to recognize whether light is irradiated from the light source unit and then apply a predetermined electrical signal according to whether the light is irradiated.

Here, when the shade for blocking a part of the light emitted from the light source unit is not provided between the inner lens and the light source unit, the photo sensor unit may be provided on an inner surface of the reflector corresponding to one side of the light source unit. Can be.

The photo sensor unit may be provided on one surface of the shade facing the light source unit when a shade is provided between the inner lens and the light source unit to block a part of light emitted from the light source unit.

The display apparatus may further include a display unit which displays whether the light source unit is normally operated when a predetermined signal is applied from the photo sensor unit.

In addition, when a plurality of the light source unit is provided, the photo sensor unit is disposed at a position outside the reflection path after the reflection of the light emitted from the plurality of light source units or the refraction path after the refraction, and the plurality of light source units are commonly directly It can be placed in the part to be irradiated.

In addition, the photo sensor unit may detect only a predetermined light intensity abnormality.

According to an exemplary embodiment of the apparatus for monitoring a lamp malfunction of a vehicle according to the present invention, when there is no disconnection for supplying power to the light source unit, even when a malfunction occurs due to a failure of the light source unit itself, a malfunction may be accurately determined. It has the effect of preventing accidents in advance.

In addition, a preferred embodiment of the vehicle lamp malfunction monitoring apparatus according to the present invention, since the vehicle driver can easily recognize the malfunction of the light source unit has an effect that can quickly deal with the situation.

1 is a cross-sectional view showing a preferred embodiment of the lamp malfunction monitoring apparatus of a vehicle according to the present invention,
2 is a cross-sectional view showing another embodiment of a lamp malfunction monitoring apparatus for a vehicle according to the present invention;
3 is a block diagram illustrating a malfunction determination process of a light source unit using a lamp malfunction monitoring apparatus of a vehicle according to the present invention.

Hereinafter, a preferred embodiment and another embodiment of a lamp malfunction monitoring apparatus for a vehicle according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view showing a preferred embodiment of the lamp malfunction monitoring apparatus of a vehicle according to the present invention, Figure 2 is a cross-sectional view showing another embodiment of the lamp malfunction monitoring apparatus of a vehicle according to the invention, Figure 3 Is a block diagram illustrating a malfunction determination process of a light source unit using a lamp malfunction monitoring apparatus of a vehicle according to the present invention.

Embodiment (1,100) of the lamp malfunction monitoring apparatus of the vehicle according to the present invention, the opening (not shown) is formed on one side, the reflector (10,110) formed with a space portion having an inner surface of the cone shape, and is opposed to the opening Light source units 20 and 120 disposed on the other side to radiate light, and shielded openings of the reflectors 10 and 110, inner lenses 30 and 130 through which light emitted from the light source units 20 and 120 pass, and light source units 20 and 120 of the space portion. A photo sensor unit disposed outside the reflection path after the light irradiated from the light source or the refraction path after the light is refracted to recognize whether light is irradiated from the light source units 20 and 120 and then apply a predetermined electrical signal according to whether the light is irradiated. (50,150).

Here, the reflectors 10 and 110 are objects that reflect light emitted from the light source units 20 and 120 at a predetermined angle, and have a cone shape in which the area of the reflector 10 and 110 is wider toward the opening of the portion facing the light source units 20 and 120 in the center. The inner surface may be configured to reflect light in various directions.

In addition, the inner lenses 30 and 130 may be shielded by the outer lenses 40 and 140 coupled to the lamp housings 5 and 105.

On the other hand, the light source unit 20, 120 is a configuration for irradiating light, but may be a general bulb, but recently halogen lamps or LEDs are used a lot.

In addition, the photo sensor units 50 and 150 are a kind of sensors that detect light, and the detectable illuminance Cd may be set to be constant for each sensor.

As described above, the photo sensor units 50 and 150 are preferably positioned at locations away from the general path through which the light emitted from the light source units 20 and 120 is reflected by at least the reflector 10 and passes through the inner lenses 30 and 130. This may prevent the amount of light from being reduced by interference with the photo sensor units 50 and 150, and may also be observed from the outside when the inner lenses 30 and 130 and the outer lenses 40 and 140 are formed of a transparent material to reduce aesthetics. This is because there is concern.

The lamp malfunction monitoring apparatus (1,100) of the vehicle according to the present invention, in order to meet the two requirements described above, a photo outside the reflection path after the reflection of the light irradiated from the light source unit 20,120 or the refracting path after refraction The sensor units 50 and 150 are configured to be disposed.

In particular, embodiments (1,100) of a lamp malfunction monitoring apparatus for a vehicle according to the present invention can be described by dividing them into one preferred embodiment (1) and another embodiment (100) according to the embodiment type.

First, as a preferred embodiment (1) of the lamp malfunction monitoring apparatus of a vehicle according to the present invention, as shown in Figure 1, in the case of MFR (Multi Focus Reflector) type having a multi-focus reflector 10, A shade (see reference numeral 145 of FIG. 2) is not provided between the inner lens 30 and the light source unit 20 to block a part of the light emitted from the light source unit 20. At this time, the photo sensor unit 50 is preferably provided on the inner surface of the reflector 10 corresponding to one side of the upper portion of the light source unit 20.

More specifically, the photo sensor unit 50 is disposed at a position outside the light distribution effective surface through which the light irradiated from the light source unit 20 is effectively reflected and transmitted through the inner lens 30 of one side of the light source unit 20. This is preferred.

As described above, the photo sensor unit 50 is provided outside the effective light distribution surface so that the amount of light irradiated from the light source unit 20 does not decrease, and the effect of not deteriorating aesthetics by not allowing the observer to be seen from a natural posture from the outside. have.

When the light irradiated from the light source unit 20 is detected by the photo sensor unit 50, the operation of the light source unit 20 is determined to be normal, and the light irradiated from the light source unit 20 is not detected by the photo sensor unit 50. Otherwise, even if the disconnection of the wire is not detected, it can be determined that the operation of the light source unit 20 is abnormal because it can be regarded as a failure of the light source unit 20 itself.

Meanwhile, as another embodiment 100 of the lamp malfunction monitoring apparatus for a vehicle according to the present invention, as shown in FIG. 2, a PROJECTION Type having a shade 145 between the inner lens 130 and the light source unit 120 is provided. In this case, the photo sensor unit 150 is provided on one surface of the shade 145 facing the light source unit 120.

In particular, in the lamp malfunction monitoring apparatus 100 of the vehicle according to another embodiment of the present invention, since one surface of the shade 145 facing the light source unit is to block a part of the light irradiated from the light source unit 120, light distribution effective It is not a face, but can be completely concealed from the outside by the shade 145, thereby preventing aesthetic degradation.

In another embodiment 100 of the present invention, when the light emitted from the light source unit 120 is detected by the photo sensor unit 150 determines that the operation of the light source unit 120 is normal, and by the photo sensor unit 150 If the irradiated light of the light source unit 120 is not detected, it may be regarded as a failure of the light source unit 120 regardless of whether the wire is disconnected or not, and thus the operation of the light source unit 120 may be determined to be abnormal.

However, embodiments of the present invention are not necessarily limited to the above-described embodiments. For example, in case of MFR type, it is generally applied to the rear lamp device. The rear lamp device is disposed in the rear part of the vehicle, and the first light source unit for driving the turn signal lamp indicating the traveling direction of the left and right of the vehicle. (Not shown), a plurality of light source units, such as a second light source unit (not shown) for taillights or reversing lights may be provided in the lamp housing, in which case the photo sensor unit (50,150) is individually irradiated with light emitted from each light source unit It should be located where it can be detected.

The light source unit adopted as the first light source unit and the second light source unit is provided to irradiate light having a different illuminance Cd for each situation, so that the photo sensor units 50 and 150 can detect only a predetermined illuminance Cd, respectively. It must be provided. This may be regarded as a necessary item for distinguishing the light emitted from the headlamp device of the vehicle approaching from the rear, even if a plurality of light source units, such as the first light source unit and the second light source unit, are not provided.

However, in some cases, when a plurality of light source units are provided, the photo sensor units 50 and 150 may be disposed outside the reflection path after the reflection of the light emitted from the plurality of light source units or the refraction path after the refraction. Naturally, the light source unit may be provided in a singular number disposed at a portion directly irradiated.

In this case, it is also known in advance that the predetermined illuminance Cd that the photo sensor units 50 and 150 can detect may be set to the lowest illuminance Cd value of light emitted from the plurality of light source units.

In addition, the lamp malfunction monitoring apparatus 1, 100 of the vehicle according to the present invention may further include a display unit (not shown) which displays whether the light source unit is normally operated when a predetermined signal is applied from the photo sensor units 50 and 150. have.

Here, the display unit may be an additional item added to a display item such as a display in front of the driver's seat so that the user may know. Since the user can easily recognize whether the light source unit is normally operated through the display unit, it is natural that the user can easily cope with the malfunction of the lamp of the vehicle while driving.

Referring to the accompanying drawings (particularly, Figure 3) the operation of the lamp malfunction monitoring apparatus of the vehicle according to the present invention configured as described above is as follows.

3 is a block diagram illustrating a malfunction determination process of a light source unit using a lamp malfunction monitoring apparatus of a vehicle according to the present invention.

First, a light source operation signal of any one of the plurality of function lamps is input by the user while driving the vehicle (S10). At this time, any one of the plurality of light source unit is operated according to the unique function.

Next, the photo sensor units 50 and 150 are turned on to determine whether the light from the light source units 20 and 120 is recognized (S20). If the light is recognized, the photo sensor units 50 and 150 are normal if the recognized light has a predetermined illuminance Cd or higher. If it is determined that the light is not recognized, it may be determined to be a failure immediately (S20), and even if the light is recognized, if the recognized light is not a predetermined illuminance Cd or more, the light emitted from the rear vehicle or the defective light source unit 20 or 120. Noise, such as the fact that it is light irradiated from it, may be detected and determined to be a failure (S30).

And finally, when a predetermined signal is applied to the display unit according to the value determined to be faulty or normal as described above, the display unit displays the above-described result value on the display unit (S40) to malfunction of the lamp of the vehicle the user is currently driving. You can monitor whether or not.

In the above, a preferred embodiment and another embodiment of a lamp malfunction monitoring apparatus for a vehicle according to the present invention have been described in detail with reference to the accompanying drawings. However, it should be understood that the embodiments of the present invention are not necessarily limited to the above-described preferred embodiments, and that various modifications and equivalents may be made by those skilled in the art something to do. Therefore, it is to be understood that the true scope of the present invention is defined by the appended claims.

1,100: lamp malfunction monitoring device 5,105: lamp housing
10,110: reflector 20,120: light source
30,130: inner lens 40,140: outer lens
50,150: photo sensor 145: shade

Claims (6)

An reflector formed at one side and having a space portion having an inner surface of a cone shape;
A light source unit disposed on the other side opposite to the opening to irradiate light;
An inner lens disposed to shield an opening of the reflector, through which light emitted from the light source passes;
The space part is located outside the reflection path after the light emitted from the light source unit is reflected or the refraction path after the refraction, and recognizes whether the light is irradiated from the light source unit, and then applies a predetermined electrical signal according to whether the light is detected. Lamp malfunction monitoring apparatus for a vehicle including a photo sensor.
The method according to claim 1,
The photo-
When the shade for blocking a part of the light irradiated from the light source unit is not provided between the inner lens and the light source unit, the lamp malfunction monitoring device of the vehicle provided on the inner surface of the reflector corresponding to one side of the light source directly .
The method according to claim 1,
The photo-
And a shade for blocking a part of light emitted from the light source unit between the inner lens and the light source unit, the lamp malfunction monitoring apparatus of the vehicle provided on one surface of the shade facing the light source unit.
The method according to claim 2 or 3,
And a display unit for displaying whether the light source unit is normally operated when a predetermined signal is applied from the photo sensor unit.
The method according to claim 1,
When the light source unit is provided in plural, the photo sensor unit is disposed outside the reflection path after the reflection of the light emitted from the plurality of light source units or the refraction path after the refraction, and the plurality of light source units are commonly directly irradiated. Lamp malfunction monitoring device of the vehicle, arranged in the part.
The method according to claim 1,
The photo sensor unit, the lamp malfunction monitoring device for a vehicle for detecting only a predetermined illuminance (Cd) or more.
KR1020120081818A 2012-07-26 2012-07-26 Mornitoring apparatus for lamp of vehicles KR20140013700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120081818A KR20140013700A (en) 2012-07-26 2012-07-26 Mornitoring apparatus for lamp of vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120081818A KR20140013700A (en) 2012-07-26 2012-07-26 Mornitoring apparatus for lamp of vehicles

Publications (1)

Publication Number Publication Date
KR20140013700A true KR20140013700A (en) 2014-02-05

Family

ID=50264090

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120081818A KR20140013700A (en) 2012-07-26 2012-07-26 Mornitoring apparatus for lamp of vehicles

Country Status (1)

Country Link
KR (1) KR20140013700A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108087809A (en) * 2018-01-11 2018-05-29 乐山师范学院 Fault self-checking automatic shutter street lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108087809A (en) * 2018-01-11 2018-05-29 乐山师范学院 Fault self-checking automatic shutter street lamp
CN108087809B (en) * 2018-01-11 2023-11-17 乐山师范学院 Automatic open-close lamp for fault self-checking

Similar Documents

Publication Publication Date Title
US10076995B2 (en) Automotive lamp
EP2674325B1 (en) Near infrared illuminator for driving support systems facilitating adjustment of its optical axis
US20160144770A1 (en) Automotive lighting device and a vehicle having the same
TW201534504A (en) Headlamp for vehicle
TW201516312A (en) Combination LED fog lamp and daytime running lamp
KR101307976B1 (en) Multi-layered led module and led headlamp for vehicle comprising the same
KR20160108877A (en) Brightness LED Headlights Automatic Control System for Railway Transport
KR20180076708A (en) Lamp for vehicle
KR20170112268A (en) Lamp for vehicle
KR20180128538A (en) Lamp apparatus for vehicle
KR101430189B1 (en) Control method of a vehicle lamp
KR20140013700A (en) Mornitoring apparatus for lamp of vehicles
KR20120015001A (en) Led headlamp and apparatus for measurementing distance using the same
JP2013149553A (en) Vehicular lamp having lamp units of different functions
KR101405386B1 (en) Lighting apparatus for vehicle
KR101360344B1 (en) Control apparatus and method of a vehicle lamp
KR101393343B1 (en) A lamp apparatus for vehicles
JP6992296B2 (en) Vehicle lighting
KR20150125808A (en) Lamp for vehicle
KR101937978B1 (en) Guide lamp for vehicle
KR101405383B1 (en) Control method of a vehicle lamp
CN220809284U (en) Auxiliary lamp for external rearview mirror, external rearview mirror and vehicle
KR101615546B1 (en) Rear combination lamp for vehicle
KR102250659B1 (en) Optical lens for vehicles and vehicle lamp using the same
KR101356684B1 (en) Automotive head lamp

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination