CN2454199Y - Automatic-checking light receiving device for far-near light of headlight of automobile - Google Patents
Automatic-checking light receiving device for far-near light of headlight of automobile Download PDFInfo
- Publication number
- CN2454199Y CN2454199Y CN 00238045 CN00238045U CN2454199Y CN 2454199 Y CN2454199 Y CN 2454199Y CN 00238045 CN00238045 CN 00238045 CN 00238045 U CN00238045 U CN 00238045U CN 2454199 Y CN2454199 Y CN 2454199Y
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- photoelectric conversion
- axis
- conversion part
- receiving plate
- light receiving
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Abstract
The utility model relates to an automatic detection and light-receiving device for high and low beams of an automobile headlamp. The existing similar devices have high cost, and a plurality of devices can only automatically detect the high beams. The utility model comprises a prepositive light-receiving plate, a postpositive light-receiving plate and a lens group which can make focusing movement under the control of a control circuit. The utility model is characterized in that at least eight specific positions are provided with photoelectric conversion elements on the prepositive light-receiving plate, and at least nine specific positions are provided with the photoelectric conversion elements on the postpositive light-receiving plate. The utility model has the advantages of simple structure, convenient operation and capability of simultaneous and automatic detection of the high and the low beams of the automobile.
Description
The utility model belongs to a kind of optical pickup apparatus that the far and near light of car headlamp is detected automatically.
Classical dazzle lamp, dipped beam method of inspection be with 10 meters outer detection light projections on screen, demonstrate the light intensity and the side-play amount of head lamp after projection image and reference image compared.And the distance during actual measurement has only 1～3 meter, and this will match with the testing result of 10 meters screen prjections with regard to requiring this in-plant testing result.Detection to the far and near light of car headlamp at present has manual detection and detects two kinds of methods automatically, the optical pickup apparatus that common car headlamp automatic detection system adopts is by preposition light receiving plate, set of lenses, rearmounted light receiving plate is formed, after preposition light receiving plate receives sensed light signal, by control circuit set of lenses is moved voluntarily, be adjusted to the central area that makes the rearmounted light receiving plate of beam alignment, demonstrate the light intensity and the side-play amount of light beam again according to the displacement of set of lenses by processing of circuit or computing machine, set of lenses is mobile by photronic distribution decision on the light receiving plate in the said process, photronic distribution such as Fig. 2 on preposition light receiving plate and the rearmounted light receiving plate in the prior art, shown in Figure 3, preposition light receiving plate center is provided with optical transmission window (2), four photoemissive elements are symmetrically distributed on horizontal X axis and vertical Y axis, four photoemissive elements on the rearmounted light receiving plate are symmetrically distributed in four quadrants that X-axis and Y-axis are divided into, adopt the automatic detection system of this optical pickup apparatus to realize detecting automatically at present, can not realize detecting automatically dipped beam to distance light.In order to realize automatic mensuration simultaneously to far and near light, there is the stylus of employing to take pictures both at home and abroad, the standard pattern in image and the computer system is compared, carry out Computer Processing again, this method operation is difficulty very, the cost height, price is expensive, is difficult to popularization and application.
The utility model aim to provide a kind of simple in structure, cost is low, simple to operate, the far and near light of car headlamp that can be simultaneously detect automatically instant and near light detects optical pickup apparatus automatically.
The technical scheme that realizes above-mentioned purpose is (referring to implementing illustration): the utility model comprises preposition light receiving plate (1), rearmounted light receiving plate (4), before being positioned at, movable lens group between the back light receiving plate, and the may command set of lenses makes to focus on the control circuit that moves after receiving preposition light receiving plate optical signal, preposition light receiving plate centre is provided with optical transmission window (2), it is characterized in that: on 8 positions, be provided with photoelectric conversion part at least on the described preposition light receiving plate (1), on 9 positions, be provided with photoelectric conversion part at least on the described rearmounted light receiving plate (4);
The regularity of distribution that described preposition light receiving plate (1) is gone up photoelectric conversion part is:
A, preposition light receiving plate optical transmission window (2) are with in the exterior domain, on the horizontal center line axis (X) being to be provided with photoelectric conversion part (a4), (a2) at least one pair of symmetric position of axis of symmetry with vertical centre axis (Y), on the vertical centre axis (Y) is being to be provided with photoelectric conversion part (a1), (a3) at least one pair of symmetric position of axle with horizontal center line axis (X);
B, be to be provided with photoelectric conversion part (b2), (b4) at least one pair of symmetric position of axle with vertical centre axis (Y) below preposition light receiving plate horizontal center line axis (X) or in the above zone;
C, at least two positions that are positioned at (X) axis homonymy on the vertical line (L1) of preposition light receiving plate horizontal center line axis (X), be provided with photoelectric conversion part (b1), (b3), (b1), (b3) and aforementioned (b2), (b4) be positioned at the same side of horizontal center line axis (X), the intersection point of described vertical line (L1) and horizontal center line axis (X) is positioned at the intersection point at the same optical transmission window of this side X-axis (2) edge and is located between the described photoelectric conversion part (a4) of this side;
The regularity of distribution that described rearmounted light receiving plate (4) is gone up photoelectric conversion part is:
D, on rearmounted light receiving plate, be that the center of circle, radius are in the border circular areas of R with horizontal middle spindle (X ') and vertical center axis (Y ') intersection point (O '), (Y ') is axle with vertical center axis, and at least one pair of the interior symmetric position of zone that is not less than R/2 on the horizontal center line axis apart from the center of circle is provided with photoelectric conversion part (A4), (A2); Be axle with the horizontal center line axis in above-mentioned border circular areas, at least one pair of symmetric position that is not less than apart from the center of circle on the vertical centre axis in the zone of R/2 is provided with photoelectric conversion part (A1), (A3);
The border circular areas that the last radius of above-mentioned rearmounted light receiving plate (4) is R all drops on the border circular areas that also can make whole photoelectric conversion parts set on the hot spot wrapper plate face on the plate face for making the irradiation hot spot after the scioptics group focuses on;
E, in above-mentioned border circular areas a side of horizontal center line axis (X '), with vertical centre axis (Y ') be axle, radius be not less than in the zone of R/2 at least-symmetric position is provided with photoelectric conversion part (B2), (B4), (B2), the above (b2), the same respective side that (b4) all is positioned at horizontal center line axis of (B4) and preposition light receiving plate;
F, be positioned at (X ') on the vertical line (L2) of above-mentioned border circular areas horizontal center line axis (X ') axle homonymy at least two positions on be provided with photoelectric conversion part (B1), (B3), (B1), the above photoelectric conversion part (b1), (b3) place quadrant of (B3) place quadrant and preposition light receiving plate be corresponding, the intersection point of described vertical line (L2) same level central axis (X ') is positioned between photoelectric conversion part (A4) set on this side (X ') axle and the center of circle (O ') point;
G, in above-mentioned border circular areas, be positioned at the zone that horizontal center line axis homonymy and the radius in the adjacent quadrant of (B1), (B3) place quadrant be not less than R/2 a photoelectric conversion part (B5) is set at least with described photoelectric conversion part (B1), (B3);
Above-mentioned photoelectric conversion part (a4), (a2) and (a1), position (X) axle at (a3) place and (Y) axle to comprise respectively with two central axis intersection points (O) be that the summit symmetry departs from (X) axle and (Y) the triangle error district (removing the optical transmission window part) of axle+1/32 π angle; Above-mentioned photoelectric conversion part (A4), (A2) and (A1), position (X ') axle at (A3) place and (Y ') axle comprise the triangle error district with two central axis intersection points (O ') axle that be that the summit symmetry departs from (X ') and (Y ') axle ± 1/32 π angle respectively; Because being located at the positional error of photoelectric conversion part in this zone can easily proofread and correct by computing machine.
Center shaft determined that the distribution of rearmounted light receiving plate (4) glazing converting member has determined light intensity and the side-play amount that dipped beam and driving beam are measured when the distribution decision that preposition light receiving plate (1) is gone up photoelectric conversion part detected the dipped beam distance light.
The utility model utilizes the distribution of photoelectric conversion part on the preposition light receiving plate, "cut-off"line is defined in a specific photoelectric conversion part zone, when having solved the dipped beam self-measuring to the location of "cut-off"line and the difficult problem of automatic tracking, thereby can realize car headlamp is carried out the purpose that instant and near light automatically detects simultaneously.And the utility model is simple in structure, and cost is low, only needs that existing car headlamp is detected optical pickup apparatus and transform a little and can use, and the method handled of the data of the utility model being gathered with computing machine is also easier simultaneously.
Description of drawings:
Fig. 1, car headlamp detect optical pickup apparatus light channel structure scheme drawing automatically
Fig. 2, existing car headlamp detect in the optical pickup apparatus photoelectric conversion part distribution schematic diagram on the preposition light receiving plate 1 and rearmounted light receiving plate 4 automatically
Photoelectric conversion part distribution schematic diagram on preposition light receiving plate 1 of Fig. 3, the utility model embodiment and the rearmounted light receiving plate 4
The number in the figure explanation:
The rearmounted light receiving plate of the preposition light receiving plate 2-of 1-optical transmission window 3-photoelectric conversion part 4-
The embodiment explanation:
This routine photoelectric conversion part 3 is a photoemissive element.
Preposition light receiving plate 1 centre is provided with circular optical transmission window 2, and the center of circle of optical transmission window is the intersection point O of preposition light receiving plate horizontal center line axis X and vertical centre axis Y, and X-axis and Y-axis are divided into four quadrants with the plate face.
Photoelectric conversion part a4, a2 are axis of symmetry with the Y-axis, be symmetricly set on the X-axis, a1, a3 are axis of symmetry with the X-axis, be symmetricly set on the Y-axis, b2, b4 are axis of symmetry with the Y-axis, be symmetricly set on the 3rd, in the four-quadrant, b1, b3 are located on the vertical line L1 of the X-axis that is positioned in the third quadrant, the intersection point of L1 and X-axis line is between the intersection point and photoelectric conversion part a4 of this side X-axis with the optical transmission window edge.
Rearmounted light receiving plate is circular, the center of circle is the intersection point O ' of horizontal center line axis X ' and vertical centre axis Y ', X ' axle and Y ' axle are divided into four quadrants with the plate face, the value principle of plectane radius R is: the light beam that preposition light receiving plate is received all drops on the rearmounted light receiving plate face after set of lenses focuses on, and hot spot can be carried out cover all set on this plate face photoelectric conversion parts.
Photoelectric conversion part A4, A2 is an axis of symmetry with Y ' axle, be symmetricly set on X ' axle apart from being not less than in the zone of R/2, A1, A3 is an axis of symmetry with X ' axle, be symmetricly set on Y ' axle apart from being not less than in the zone of R/2, B2, B4 is an axis of symmetry with Y ' axle, be symmetricly set on the 3rd, radius is not less than in the zone of R/2 in the four-quadrant, B1, B3 is set in place on the vertical line L2 of the X ' axle in the third quadrant, the intersection point of L2 and X ' axle is between photoelectric conversion part A4 set on this side X ' axle and R/2 point, and the reason of She Zhiing is should be greater than the R/2 place because see through the most rational visual radius of passing beam that optical transmission window on the preposition light receiving plate focuses on through set of lenses again like this; B5 is arranged on that radius is not less than in the zone of R/2 in the four-quadrant.
This example is provided with photoelectric conversion part A5 at O ' some place of horizontal center line axis X ' and vertical centre axis Y ' intersection point, at this some the effect that photoelectric conversion part can further improve the dipped beam luminous intensity measurement is set.
Claims (3)
1, the far and near light of car headlamp detects optical pickup apparatus automatically, comprise preposition light receiving plate (1), rearmounted light receiving plate (4), movable lens group between forward and backward light receiving plate, and the may command set of lenses makes to focus on the control circuit that moves after receiving preposition light receiving plate optical signal, preposition light receiving plate centre is provided with optical transmission window (2), it is characterized in that: on 8 positions, be provided with photoelectric conversion part at least on the described preposition light receiving plate (1), on 9 positions, be provided with photoelectric conversion part at least on the described rearmounted light receiving plate (4);
The regularity of distribution that described preposition light receiving plate (1) is gone up photoelectric conversion part is:
A, preposition light receiving plate optical transmission window (2) are with in the exterior domain, on the horizontal center line axis (X) being to be provided with photoelectric conversion part (a4), (a2) at least one pair of symmetric position of axis of symmetry with vertical centre axis (Y), on the vertical centre axis (Y) is being to be provided with photoelectric conversion part (a1), (a3) at least one pair of symmetric position of axle with horizontal center line axis (X);
B, be to be provided with photoelectric conversion part (b2), (b4) at least one pair of symmetric position of axle with vertical centre axis (Y) below preposition light receiving plate horizontal center line axis (X) or in the above zone;
C, at least two positions that are positioned at (X) axis homonymy on the vertical line (L1) of preposition light receiving plate horizontal center line axis (X), be provided with photoelectric conversion part (b1), (b3), (b1), (b3) and aforementioned (b2), (b4) be positioned at the same side of horizontal center line axis (X), the intersection point of described vertical line (L1) and horizontal center line axis (X) is positioned at the intersection point at the same optical transmission window of this side X-axis (2) edge and is located between the described photoelectric conversion part (a4) of this side;
The regularity of distribution that described rearmounted light receiving plate (4) is gone up photoelectric conversion part is:
D, on rearmounted light receiving plate, be that the center of circle, radius are in the border circular areas of R with horizontal middle spindle (X ') and vertical center axis (Y ') intersection point (O '), (Y ') is axle with vertical center axis, and at least one pair of the interior symmetric position of zone that is not less than R/2 on the horizontal center line axis apart from the center of circle is provided with photoelectric conversion part (A4), (A2); Be axle with the horizontal center line axis in above-mentioned border circular areas, at least one pair of symmetric position that is not less than apart from the center of circle on the vertical centre axis in the zone of R/2 is provided with photoelectric conversion part (A1), (A3);
The border circular areas that the last radius of above-mentioned rearmounted light receiving plate (4) is R all drops on the border circular areas that also can make whole photoelectric conversion parts set on the hot spot wrapper plate face on the plate face for making the irradiation hot spot after the scioptics group focuses on;
E, in above-mentioned border circular areas a side of horizontal center line axis (X '), with vertical centre axis (Y ') is that at least one pair of symmetric position that axle, radius are not less than in the zone of R/2 is provided with photoelectric conversion part (B2), (B4), (B2), the above (b2), the same respective side that (b4) all is positioned at horizontal center line axis of (B4) and preposition light receiving plate;
F, be positioned at (X ') on the vertical line (L2) of above-mentioned border circular areas horizontal center line axis (X ') axle homonymy at least two positions on be provided with photoelectric conversion part (B1), (B3), (B1), the above photoelectric conversion part (b1), (b3) place quadrant of (B3) place quadrant and preposition light receiving plate be corresponding, the intersection point of described vertical line (L2) same level central axis (X ') is positioned between photoelectric conversion part (A4) set on this side (X ') axle and the center of circle (O ') point;
G, in above-mentioned border circular areas, be positioned at the zone that horizontal center line axis homonymy and the radius in the adjacent quadrant of (B1), (B3) place quadrant be not less than R/2 a photoelectric conversion part (B5) is set at least with described photoelectric conversion part (B1), (B3).
2, the far and near light of car headlamp according to claim 1 detects optical pickup apparatus automatically, and it is characterized in that: the vertical line (L2) at described photoelectric conversion part (B1), (B3) place and the intersection point of horizontal center line axis (X ') are positioned between the photoelectric conversion part (A4) and R/2 point set on this side (X ') axle.
3, the far and near light of car headlamp according to claim 1 and 2 detects optical pickup apparatus automatically, it is characterized in that: be provided with photoelectric conversion part (A5) in horizontal center line axis (X ') with vertical centre axis (Y ') intersection point (O ') some place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00238045 CN2454199Y (en) | 2000-08-25 | 2000-08-25 | Automatic-checking light receiving device for far-near light of headlight of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00238045 CN2454199Y (en) | 2000-08-25 | 2000-08-25 | Automatic-checking light receiving device for far-near light of headlight of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2454199Y true CN2454199Y (en) | 2001-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00238045 Expired - Fee Related CN2454199Y (en) | 2000-08-25 | 2000-08-25 | Automatic-checking light receiving device for far-near light of headlight of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2454199Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070134A (en) * | 2015-07-24 | 2015-11-18 | 重庆电子工程职业学院 | Automobile distance light debugging teaching test box |
-
2000
- 2000-08-25 CN CN 00238045 patent/CN2454199Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070134A (en) * | 2015-07-24 | 2015-11-18 | 重庆电子工程职业学院 | Automobile distance light debugging teaching test box |
| CN105070134B (en) * | 2015-07-24 | 2019-03-15 | 重庆电子工程职业学院 | A kind of automobile dimming-distance light debugging teaching test case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Pang Jianliang Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |