阅读说明：本技术 一种汽车多功能光传感器及其使用方法 (Multifunctional automobile optical sensor and use method thereof ) 是由 杜甜 朱增魁 许浩 于 2021-07-19 设计创作，主要内容包括：本发明提供一种汽车多功能光传感器,包括线路板和透镜组件,所述线路板上集成有多种传感器的二极管,所述透镜组件包括透镜本体和透镜壳体,所述透镜本体上集成有多个透镜,各所述透镜与各所述二极管一一对应配合,所述透镜本体设于所述透镜壳体内,所述线路板安设于所述透镜壳体的一端。本发明还提供一种汽车多功能光传感器的使用方法,汽车多功能光传感器安设于汽车挡风玻璃内侧,汽车内外部环境中的各种光线通过透镜折射及过滤后将信号反馈给线路板,线路板再反馈给车身控制系统,车身控制系统根据收到的反馈来做出最后的自动控制调节。(The invention provides a multifunctional optical sensor for an automobile, which comprises a circuit board and a lens assembly, wherein diodes of various sensors are integrated on the circuit board, the lens assembly comprises a lens body and a lens shell, a plurality of lenses are integrated on the lens body, the lenses are matched with the diodes in a one-to-one correspondence mode, the lens body is arranged in the lens shell, and the circuit board is arranged at one end of the lens shell. The invention also provides a using method of the automobile multifunctional optical sensor, the automobile multifunctional optical sensor is arranged at the inner side of the automobile windshield, various light rays in the internal and external environments of the automobile are refracted and filtered through the lens and then fed back to the circuit board, the circuit board is fed back to the automobile body control system, and the automobile body control system performs final automatic control adjustment according to the received feedback.)

1. The utility model provides a multi-functional light sensor of car which characterized in that: the LED sensor comprises a circuit board and a lens assembly, wherein diodes of various sensors are integrated on the circuit board, the lens assembly comprises a lens body and a lens shell, a plurality of lenses are integrated on the lens body, the lenses are matched with the diodes in a one-to-one correspondence mode, the lens body is arranged in the lens shell, and the circuit board is arranged at one end of the lens shell.

2. The automotive multifunction light sensor of claim 1, wherein: the circuit board is integrated with an infrared light emitting diode and an infrared receiving diode corresponding to the rainfall sensor, a sunlight diode corresponding to the sunlight sensor and an ambient light diode corresponding to the light sensor.

3. The automotive multifunction light sensor of claim 2, wherein: each infrared emitting diode is along the border evenly distributed of circuit board, infrared receiving diode is located the intermediate position of circuit board, one side of infrared receiving diode is equipped with the ambient light diode, the opposite side of infrared receiving diode is equipped with the sunshine diode.

4. The automotive multifunction light sensor of claim 1, wherein: the distribution position of each lens on the lens body corresponds to the distribution position of each diode on the circuit board.

5. The automotive multifunction light sensor of claim 1, wherein: and the other end of the lens shell is provided with transparent silica gel.

6. The use method of the multifunctional optical sensor for the automobile is characterized by comprising the following steps: the multifunctional optical sensor of the automobile is arranged on the inner side of the automobile windshield, various light rays in the internal and external environments of the automobile are refracted and filtered through the lens and then fed back to the circuit board, the circuit board is fed back to the automobile body control system, and the automobile body control system makes final automatic control adjustment according to the received feedback.

7. The method of using the multifunctional optical sensor for automobile according to claim 6, wherein for the rainfall sensor, the method of using the automatic wiper function comprises: integrated infrared emitting diode is array evenly distributed on the circuit board, infrared receiving diode is located circuit board central authorities, infrared emitting diode sends the infrared light of specific wavelength, refract through the optical structure on the lens, pierce through windshield again, when there is the raindrop on the windshield surface, the light that strikes on windshield is fallen by partial scattering, the infrared receiving diode on the infrared light that reflects back is by the circuit board receives, through with the comparison of received light intensity under the windshield drying condition, reach the size of water droplet on the windshield this moment, how much, and then judge different rainy mode, accomplish the intermittent type through automobile body control system control wiper and scrape water, low-speed continuous wiping or high-speed continuous wiping.

8. The method for using the multifunctional light sensor for automobiles of claim 6 is characterized in that the method for using the sunlight sensor comprises the following steps: the size of the heat radiation intensity through measuring sunshine to let the sunshine diode on the circuit board gather the sunshine signal, give automobile body control system with the signal transmission who gathers again, automobile body control system synthesizes comparison, calculation and judgement to the size of the sunshine intensity and ambient temperature signal, and the more reasonable indoor environmental protection temperature of accurate calculation, thereby control wind speed size or wind direction, with the cold and hot comfortable state of automatic adjustment air conditioner.

9. The method for using the multifunctional light sensor for automobiles of claim 6 is characterized in that the method for using the light sensor comprises the following steps: the ambient light diode on the circuit board forms a voltage signal to the change of external light by detecting the intensity of visible light around the vehicle body, and feeds the voltage signal back to an automatic big lamp control module of the vehicle body control system, and judges whether the light is started or not after data analysis.

Technical Field

The invention relates to the field of sensors for automobiles, in particular to an automobile multifunctional optical sensor and a using method thereof.

Background

In the conventional design, a rainfall sensor, a sunlight sensor and a light sensor are respectively mounted on a vehicle. The part quantity increases, and firstly, each part size no matter the size, must occupy certain installation space, and secondly, the part is more, matches compatible degree of difficulty and is higher relatively, brings the puzzlement to the vehicle design. With the continuous intellectualization of vehicles and the continuous increase of the demand, the demand for the intellectualization and miniaturization of the sensor is higher and higher. Meanwhile, the number of parts is reduced, the installation process can be simplified, and the wiring design is simplified.

Therefore, there is a need to design a new multifunctional optical sensor for automobiles to overcome the above problems.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a multifunctional automobile optical sensor and a using method thereof, which at least solve part of problems in the prior art.

The invention is realized by the following steps:

the invention provides a multifunctional optical sensor for an automobile, which comprises a circuit board and a lens assembly, wherein diodes of various sensors are integrated on the circuit board, the lens assembly comprises a lens body and a lens shell, a plurality of lenses are integrated on the lens body, the lenses are matched with the diodes in a one-to-one correspondence mode, the lens body is arranged in the lens shell, and the circuit board is arranged at one end of the lens shell.

Preferably, the circuit board is integrated with an infrared light emitting diode and an infrared receiving diode corresponding to the rainfall sensor, a sunlight diode corresponding to the sunlight sensor, and an ambient light diode corresponding to the light sensor.

Preferably, the infrared light emitting diodes are uniformly distributed along the edge of the circuit board, the infrared receiving diode is positioned in the middle of the circuit board, one side of the infrared receiving diode is provided with an ambient light diode, and the other side of the infrared receiving diode is provided with a solar light diode.

Preferably, the distribution position of each lens on the lens body corresponds to the distribution position of each diode on the circuit board.

Preferably, the other end of the lens shell is provided with transparent silica gel.

The invention also provides a using method of the automobile multifunctional optical sensor, which comprises the following steps: the multifunctional optical sensor of the automobile is arranged on the inner side of the automobile windshield, various light rays in the internal and external environments of the automobile are refracted and filtered through the lens and then fed back to the circuit board, the circuit board is fed back to the automobile body control system, and the automobile body control system makes final automatic control adjustment according to the received feedback.

Preferably, for the rainfall sensor, the use method of the automatic wiper function is as follows: integrated infrared emitting diode is array evenly distributed on the circuit board, infrared receiving diode is located circuit board central authorities, infrared emitting diode sends the infrared light of specific wavelength, refract through the optical structure on the lens, pierce through windshield again, when there is the raindrop on the windshield surface, the light that strikes on windshield is fallen by partial scattering, the infrared receiving diode on the infrared light that reflects back is by the circuit board receives, through with the comparison of received light intensity under the windshield drying condition, reach the size of water droplet on the windshield this moment, how much, and then judge different rainy mode, accomplish the intermittent type through automobile body control system control wiper and scrape water, low-speed continuous wiping or high-speed continuous wiping.

Preferably, the use method of the solar sensor comprises the following steps: the size of the heat radiation intensity through measuring sunshine to let the sunshine diode on the circuit board gather the sunshine signal, give automobile body control system with the signal transmission who gathers again, automobile body control system synthesizes comparison, calculation and judgement to the size of the sunshine intensity and ambient temperature signal, and the more reasonable indoor environmental protection temperature of accurate calculation, thereby control wind speed size or wind direction, with the cold and hot comfortable state of automatic adjustment air conditioner.

Preferably, for the use method of the light sensor: the ambient light diode on the circuit board forms a voltage signal to the change of external light by detecting the intensity of visible light around the vehicle body, and feeds the voltage signal back to an automatic big lamp control module of the vehicle body control system, and judges whether the light is started or not after data analysis.

The invention has the following beneficial effects:

1. the invention provides a multifunctional light sensor for an automobile, which integrates diodes of various sensors and achieves the purpose of miniaturization design of the sensors through the cooperative matching of the diodes and a lens assembly.

2. The multifunctional optical sensor for the automobile provided by the invention has the advantages of small occupied space, reduced part number and simplified installation process and wiring design.

3. The invention provides a novel lens structure for a multifunctional sensor, which is simple and reliable to mount and convenient for mass production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an exploded view of a multifunctional optical sensor for an automobile according to an embodiment of the present invention;

fig. 2 is a circuit board diagram of the multifunctional optical sensor for an automobile according to the embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-2, an embodiment of the present invention provides an automotive multifunctional optical sensor, including a circuit board 4 and a lens assembly, where diodes of multiple sensors are integrated on the circuit board 4, the lens assembly includes a lens body 3 and a lens housing 2, a plurality of lenses 10 are integrated on the lens body 3, the number of diodes integrated on the circuit board 4 is the same as the number of lenses 10 integrated on the lens body 3, each lens is matched with each diode in a one-to-one correspondence manner, the distribution position of each lens on the lens body 3 corresponds to the distribution position of each diode on the circuit board, so that the lenses and the diodes can be better matched, the lens body 3 is disposed in the lens housing 2, the circuit board 4 is disposed at one end of the lens housing 2, and the other end of the lens housing 2 is provided with a transparent silica gel 1, so that the automobile windshield can be tightly attached to the inner side of the automobile windshield.

In the present embodiment, a plurality of the lenses 10 are formed by injection molding a transparent resin at a time to obtain the lens body 3; the lens shell 2 is formed by one-time injection molding of dark resin capable of transmitting light with a specific wavelength, and a dark shell can filter and shield unnecessary interference light, so that the detection accuracy of the sensor is improved; the lens body 3 and the lens shell 2 are molded into a whole through a secondary injection molding process.

The circuit board 4 is integrated with an infrared light emitting diode 6 and an infrared receiving diode 7 corresponding to the rainfall sensor, a sunlight diode 8 corresponding to the sunlight sensor and an ambient light diode 9 corresponding to the light sensor, and can also be integrated with a humidity sensor and a temperature sensor according to requirements. In fig. 2, there are 6 infrared light emitting diodes, 1 infrared receiving diode, 2 ambient light diodes, and 2 solar light diodes, and each of the infrared light emitting diodes 6 is uniformly distributed along the edge array of the circuit board 4, the infrared receiving diode 7 is located in the middle of the circuit board 4, two ambient light diodes 9 are disposed on one side of the infrared receiving diode 7, and two solar light diodes 8 are disposed on the other side of the infrared receiving diode 7.

The invention provides a lens for an automobile multifunctional light sensor, and relates to a multifunctional sensor lens for automatically controlling an automobile air conditioner, a headlamp and a windshield wiper according to the internal and external environments of an automobile. The novel lens is mainly composed of two parts. As shown in fig. 2, a part of the lens is made of a transparent resin material, and 11 lenses 10 having different shapes are regularly distributed and integrated by a connection structure. The other part is a dark resin material and can transmit light with a specific wavelength, the two parts are made of different materials and are molded into a whole through a secondary injection molding process, then various light in the internal and external environments of the automobile is collected, signals are fed back to the circuit board after the light is refracted and filtered through the lens, the circuit board is fed back to an automobile assembly system (automobile body control system), and the automobile system assembly makes final automatic control adjustment according to the received feedback.

The multifunctional optical sensor for the automobile is small in size, is directly installed on the inner side of a windshield, integrates various optical sensors, is formed by secondary injection molding of a transparent lens and a dark shell, can filter and shield unnecessary interference light, improves the detection accuracy of the sensor, can integrate humidity and temperature sensors and the like according to requirements, and is convenient and practical.

The lens body 3 and the shell (the lens shell 2) are formed in one step, the circuit board 4 welded with the infrared light-emitting diode 6 and the infrared receiving diode 7 is assembled on the shell, the transparent silica gel 1 is encapsulated at the bottom of the shell, and the cured lens can be pressed on the automobile front windshield through the mounting plate.

For a rainfall sensor, the basic principle of the automatic wiper function is as follows: there is integrated infrared emitting diode 6 to become array evenly distributed on circuit board 4, infrared receiving diode 7 is located circuit board 4 central authorities, infrared emitting diode 6 sends the infrared light of specific wavelength, refract through optical structure on lens 3, pierce through windshield again, when there is the raindrop on the windshield surface, the light that shines on the windshield is by the partial scattering, the infrared light that reflects back is received by infrared receiving diode 7 on the circuit board 4, through with the comparison of received light intensity under the windshield dry condition, just can reachd the size of windshield water droplet on this moment, how much, and then can judge different rain modes, accomplish the intermittent type through automobile body control system control wiper and scrape water, low-speed continuous wiping water or high-speed continuous wiping water.

For a sunlight intensity sensor (sunlight sensor), the basic principle is: through measuring the size of "heat radiation" of sunshine to let sunshine diode 8 on the circuit board 4 gather the sunshine signal, give automobile body control system with the signal of gathering again (light intensity weak signal), automobile body control system synthesizes comparison, calculation, judgement etc. to the size of sunshine intensity and environment (indoor outer) temperature signal, and the more reasonable indoor environmental protection temperature of accurate calculation (rising or reducing), thereby control "wind speed" (size) or "wind direction" with the cold and hot comfortable state of automatic adjustment air conditioner.

For ambient light sensors (light sensors), the basic principle is: the ambient light diode 9 on the circuit board 4 forms a voltage signal to the external light change by detecting the intensity of the visible light around the vehicle body, feeds the voltage signal back to the automatic big lamp control module, and judges whether the light should be started or not after data analysis.

The invention provides a lens for an automobile multifunctional sensor, wherein the main body part of the lens consists of a lens body and an outer shell, transparent silica gel is filled outside the outer shell to facilitate the lens to be tightly attached to an automobile windshield, a circuit board is arranged below the lens body, and a plurality of photosensitive elements and light-emitting elements are arranged on the circuit board.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.