CN114228609A - Automobile reversing prompt system based on micro-lens array - Google Patents
Automobile reversing prompt system based on micro-lens array Download PDFInfo
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- CN114228609A CN114228609A CN202111550841.6A CN202111550841A CN114228609A CN 114228609 A CN114228609 A CN 114228609A CN 202111550841 A CN202111550841 A CN 202111550841A CN 114228609 A CN114228609 A CN 114228609A
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- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 238000005286 illumination Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 2
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 claims 1
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010047513 Vision blurred Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/22—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for reverse drive
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
-
- 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
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/50—Projected symbol or information, e.g. onto the road or car body
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to the field of car backing prompt through a micro-lens array, in particular to a car backing prompt system based on the micro-lens array; the system comprises an optical sensor, an automobile host, a light source module and a micro-lens array; the light sensor detects ambient light parameters, the automobile host carries out parameter calculation and inputs a calculation result into the light source module, the light source module executes an input command, lights a light source, and projects a customized pattern to the ground through the micro-lens array. The invention provides a clear and real backing-up prompt line for a driver, and compared with the traditional backing-up image prompt line, the backing-up prompt line is more intuitive and clear; especially for the night scene, convenient and reliable backing experience is provided.
Description
Technical Field
The invention relates to the field of car backing prompting through a micro-lens array, in particular to an automobile backing prompting system based on the micro-lens array.
Background
The car backing prompting system is a safety auxiliary device for car parking or car backing, can display images to inform a driver of the condition of surrounding obstacles, solves the trouble caused by front-back and left-right visiting when the driver parks, backs a car and starts the car, helps the driver to eliminate the defects of view dead angles and blurred vision, and improves the driving safety. At present, a wide-angle camera device is mainly adopted to be installed at the rear part of an automobile, and information of a road at the rear part of the automobile is clearly displayed through a display screen in the automobile. On the screen, a reversing prompt line is simulated through calculation software and displayed in the screen to help a vehicle owner to judge the rear distance of the vehicle. The invention provides a clear and real backing-up prompt line for a driver, and compared with the traditional backing-up image prompt line, the backing-up prompt line is more intuitive and clear; especially for the night scene, convenient and reliable backing experience is provided.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an automobile reversing prompting system based on a micro-lens array, which provides convenient and reliable reversing experience by projecting a reversing prompting line.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme, which is described by combining the accompanying drawings as follows:
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to solve the technical problem, the automobile reversing prompting system based on the micro-lens array comprises an optical sensor, an automobile host, a light source module and the micro-lens array. The light sensor detects ambient light parameters, the automobile host carries out parameter calculation, the calculation result is input into the light source module, the light source module executes an input command, the light source is lightened, and the customized pattern is projected to the ground through the micro-lens array.
An automobile reversing prompting system based on a micro-lens array comprises an optical sensor, an automobile host, a light source module and the micro-lens array;
the light sensor detects ambient light parameters, the automobile host carries out parameter calculation and inputs a calculation result into the light source module, the light source module executes an input command, lights a light source, and projects a customized pattern to the ground through the micro-lens array.
And the light sensor collects ambient light data and inputs the ambient light data into the automobile host.
The automobile host analyzes the environmental data, generates an illumination judgment result and inputs the illumination judgment result into the light source module.
And the light source module executes the illumination judgment result, lights the light source, and projects the customized pattern to the ground through the micro-lens array.
The micro lens array is used for adjusting the projection and refraction light paths of the light source, changing the structural parameters of the light source module, and adjusting the distance Ls between the light source and the projection surface and each graphImage center distance δ T(n)The images formed by the microlenses are overlapped, and a clear pattern is displayed.
The micro lens array is used for projecting and refracting light paths of a light source and adjusting the structural parameters of a light source module, and the specific control method comprises the following steps:
step one, obtaining a distance Ls from a light source to a projection surface through a distance measuring sensor or a distance sensor;
step two, adjusting the structure of the light source module to make the module parameters meet
(Lc-L1)＝r1×(r2·ln(Ls)-L2)
Wherein Lc is the distance from the light source module structure to the imaging plane, LsDistance of light source to microlens array, L2Is the distance between the lens arrays, L1Is the distance r from the light source to the light emergent surface of the microlens1，r2Is a constant parameter;
the light source module structure comprises a light source module and a micro lens array;
step three, adjusting the distance between the micro lenses to ensure that images formed by the micro lenses are overlapped to meet the requirement
δT(n)＝k(n)×δp
Where δ t (n) is the adjusted distance between microlenses, n is the total number of microlenses, δ p is the standard distance between microlenses, and k (n) is a constant parameter.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a clear and real backing-up prompt line for a driver, and compared with the traditional backing-up image prompt line, the backing-up prompt line is more intuitive and clear; especially for the night scene, convenient and reliable backing experience is provided.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a car backing prompt system based on a micro-lens array according to the present invention;
FIG. 2 is a schematic diagram illustrating the effect of the car backing prompt system based on the micro-lens array according to the present invention;
FIG. 3 is a schematic view of a car backing prompt system based on a micro-lens array according to the present invention;
FIG. 4 is a schematic view of a light source module according to the present invention;
wherein: 101-a light sensor; 102-a vehicle main machine; 103-a light source module; 104-microlens array.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
The invention is described in detail below with reference to the attached drawing figures:
in order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the car backing prompting system based on microlens array of the present invention includes 101-light sensor; 102-a vehicle main machine; 103-a light source module; 104-a microlens array; ambient illumination data is collected through the light sensor 101, input into the automobile host 102, judge the illumination result, input the illumination result into the light source module 103, the light source module 103 executes the illumination judgment result, lights the light source, and the customized pattern is projected to the ground through the micro lens array. The microlens array 104 performs optical path adjustment such as projection and refraction on the light source.
The schematic effect of the automobile reversing prompting system based on the micro-lens array is shown in fig. 2.
As shown in fig. 1 and 3, the ambient light data is collected by the light sensor 101, input to the host 102 of the vehicle to calculate and determine the light judgment result, and input to the light source module 103, the light source module 103 executes the light judgment result, lights the light source, and projects the customized pattern to the ground through the micro lens array. The microlens array 104 performs optical path adjustment such as projection and refraction on the light source.
As shown in fig. 4, the micro lens array 104, which performs optical path adjustment such as projection and refraction on the light source, includes the following steps:
firstly, obtaining a distance Ls from a light source to a projection surface by a distance measuring sensor or a distance sensor or other measuring modes;
step two, adjusting the structure of the light source module to make the module parameters meet
(Lc-L1)＝r1×(r2·ln(Ls)-L2)
Wherein Lc is the distance from the light source module structure to the imaging plane, LsDistance of light source to lens array, L2Is the distance between the lens arrays, L1Is the distance, r, from the light source to the light-emitting surface of the lens1，r2Is a constant parameter;
the light source module structure comprises a light source module and a micro lens array;
step three, adjusting the distance between the micro lenses to ensure that images formed by the lenses are overlapped to meet the requirement
δT(n)＝k(n)×δp
Wherein δ T (n) is the adjusted distance between each microlens, n is the total number of microlenses, δ p is the standard distance between microlenses, and k (n) is a constant parameter;
the above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims. And those not described in detail in this specification are well within the skill of those in the art.
Claims (6)
1. The utility model provides a car reminder system that backs a car based on microlens array which characterized in that: the system comprises an optical sensor, an automobile host, a light source module and a micro-lens array;
the light sensor detects ambient light parameters, the automobile host carries out parameter calculation and inputs a calculation result into the light source module, the light source module executes an input command, lights a light source, and projects a customized pattern to the ground through the micro-lens array.
2. The car backing prompt system based on the micro-lens array of claim 1, characterized in that: and the light sensor collects ambient light data and inputs the ambient light data into the automobile host.
3. The car backing prompt system based on the micro-lens array as claimed in claim 2, wherein: the automobile host analyzes the environmental data, generates an illumination judgment result and inputs the illumination judgment result into the light source module.
4. The car backing prompt system based on the micro-lens array as claimed in claim 3, wherein: and the light source module executes the illumination judgment result, lights the light source, and projects the customized pattern to the ground through the micro-lens array.
5. The microlens-based array of claim 4The automobile reversing prompt system is characterized in that: the micro lens array is used for adjusting the projection and refraction light paths of the light source, changing the structural parameters of the light source module, and adjusting the distance Ls between the light source and the projection plane and the distance delta T between the center of each image(n)The images formed by the microlenses are overlapped, and a clear pattern is displayed.
6. The car backing prompt system based on the micro-lens array of claim 5, characterized in that:
the micro lens array is used for projecting and refracting light paths of a light source and adjusting the structural parameters of a light source module, and the specific control method comprises the following steps:
step one, obtaining a distance Ls from a light source to a projection surface through a distance measuring sensor or a distance sensor;
step two, adjusting the structure of the light source module to make the module parameters meet
(Lc-L1)＝r1×(r2·ln(Ls)-L2)
Wherein Lc is the distance from the light source module structure to the imaging plane, LsDistance of light source to microlens array, L2Is the distance between the lens arrays, L1Is the distance r from the light source to the light emergent surface of the microlens1，r2Is a constant parameter;
the light source module structure comprises a light source module and a micro lens array;
step three, adjusting the distance between the micro lenses to ensure that images formed by the micro lenses are overlapped to meet the requirement
δT(n)＝k(n)×δp
Wherein δ t (n) is the adjusted distance between the microlenses, n is the total number of the microlenses, δ p is the standard distance between the microlenses, and k (n) is a constant parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550841.6A CN114228609A (en) | 2021-12-17 | 2021-12-17 | Automobile reversing prompt system based on micro-lens array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550841.6A CN114228609A (en) | 2021-12-17 | 2021-12-17 | Automobile reversing prompt system based on micro-lens array |
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| CN114228609A true CN114228609A (en) | 2022-03-25 |
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| CN202111550841.6A Pending CN114228609A (en) | 2021-12-17 | 2021-12-17 | Automobile reversing prompt system based on micro-lens array |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585481A (en) * | 2015-10-19 | 2017-04-26 | 福特环球技术公司 | Vehicle lighting system with dynamic beam pattern |
| US20170240096A1 (en) * | 2016-02-22 | 2017-08-24 | Uber Technologies, Inc. | Intention signaling for an autonomous vehicle |
| DE102018008213A1 (en) * | 2018-10-17 | 2020-04-23 | Daimler Ag | Process for visualizing a crossing over a street |
| CN111231825A (en) * | 2020-02-28 | 2020-06-05 | 华域视觉科技(上海)有限公司 | Vehicle contour display system, contour lamp, vehicle and vehicle contour display method |
| CN211364406U (en) * | 2019-12-02 | 2020-08-28 | 华人运通(江苏)技术有限公司 | Projection system for vehicle and vehicle |
-
2021
- 2021-12-17 CN CN202111550841.6A patent/CN114228609A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585481A (en) * | 2015-10-19 | 2017-04-26 | 福特环球技术公司 | Vehicle lighting system with dynamic beam pattern |
| US20170240096A1 (en) * | 2016-02-22 | 2017-08-24 | Uber Technologies, Inc. | Intention signaling for an autonomous vehicle |
| DE102018008213A1 (en) * | 2018-10-17 | 2020-04-23 | Daimler Ag | Process for visualizing a crossing over a street |
| CN211364406U (en) * | 2019-12-02 | 2020-08-28 | 华人运通(江苏)技术有限公司 | Projection system for vehicle and vehicle |
| CN111231825A (en) * | 2020-02-28 | 2020-06-05 | 华域视觉科技(上海)有限公司 | Vehicle contour display system, contour lamp, vehicle and vehicle contour display method |
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Application publication date: 20220325 |
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