CN211061405U - Fixing mechanism used in dust accumulation detection of automobile windshield - Google Patents
Fixing mechanism used in dust accumulation detection of automobile windshield Download PDFInfo
- Publication number
- CN211061405U CN211061405U CN201922021096.0U CN201922021096U CN211061405U CN 211061405 U CN211061405 U CN 211061405U CN 201922021096 U CN201922021096 U CN 201922021096U CN 211061405 U CN211061405 U CN 211061405U
- Authority
- CN
- China
- Prior art keywords
- cavity
- light
- windshield
- fixing mechanism
- photoelectric sensor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a fixed establishment that uses in car windshield laying dust detects, including casing and diffuse reflection face, the diffuse reflection face pastes in the windshield outside, and the casing is installed to this windshield inboard, the casing includes left cavity, right cavity and illumination chamber, left side cavity bottom is equipped with L ED emitting diode a, is equipped with light intensity reference photoelectric sensor by L ED emitting diode a, left side cavity lower part joint has the barn door, and the top slope of this barn door is equipped with semi-transparent mirror a, semi-transparent mirror a one side is equipped with horizontal cavity, is equipped with transmission photoelectric sensor in horizontal cavity, and reflection photoelectric sensor installs at left cavity top, and is equipped with the printing opacity glass film at its front end, and this application adopts the submodule piece design, has reduced whole volume, and the later stage is changed and is maintained conveniently, and the reliability is high, satisfies the requirement of car to performance and reliability, can make glass laying dust detect and the cleanliness detection can realize.
Description
Technical Field
The utility model belongs to the clean field of car windshield, a fixed establishment that uses in car windshield laying dust detects specifically says so.
Background
With the development of detection technology, the comfort and safety of driving are considered, the dust deposition cleanliness detection of the automobile windshield is in a preliminary exploration stage at present, and the windshield is mainly cleaned through human eye judgment in the prior art. The cleanness of the windshield has important influence on the eye fatigue of drivers, most drivers easily ignore the importance of the cleanness of the windshield, and the technology and the method for detecting the cleanness of the windshield are not mentioned at home and abroad, so that the cleanness of the windshield is very important to the aspects of safety and comfort of driving. The front end technology of the existing automobile windshield cleaning system only considers the structure of the windscreen wiper and windshield water, for example, the rushing windscreen wiper can automatically adjust the glass water consumption according to the outdoor temperature and the surrounding environment, and intelligent glass cleaning is completed.
The automobile windshield is characterized in that dust and dirt of the windshield are attached to the surface of the automobile windshield due to the variability of driving time and driving environment, the judgment of whether the accumulated dust affects the driving cannot be accurately made by human eyes, and the establishment of real-time detection of the windshield is particularly important for realizing the detection of the accumulated dust information and the judgment of whether the cleanliness of the windshield meets the driving safety, but a fixing mechanism is involved in the detection process.
SUMMERY OF THE UTILITY MODEL
This application aim at provides a fixed establishment that uses in car windshield laying dust detects, and this mechanism adopts sub-module design, has reduced whole volume, and the practicality is strong, and the later stage is changed and is maintained conveniently, and the reliability is high.
In order to achieve the purpose, the fixing mechanism used in dust accumulation detection of the automobile windshield comprises a shell and a diffuse reflection surface, wherein the diffuse reflection surface is attached to the outer side of the windshield, the shell is installed on the inner side of the windshield and comprises a left cavity, a right cavity and an illumination cavity, L ED light emitting diodes a are arranged at the bottom of the left cavity, a light intensity reference photoelectric sensor is arranged beside L ED light emitting diodes a, a light barrier is clamped at the lower portion of the left cavity, a semi-transparent mirror a is obliquely arranged above the light barrier, a horizontal cavity is arranged on one side of the semi-transparent mirror a, a transmission photoelectric sensor is arranged in the horizontal cavity, the reflection photoelectric sensor is installed at the top of the left cavity, a transparent glass film is arranged at the front end of the reflection photoelectric sensor, a reflection plate is arranged on one side of the right cavity, an invisible light filter (light-permeable) is arranged on the top of the side, a light sensor b is located in the right cavity, an optical lens is arranged between the light sensor b and the reflection plate, the illumination cavity is arranged on the right cavity, a L ED light emitting diodes b and the light sensor a are arranged.
Furthermore, a semi-transparent mirror a is arranged in the light barrier in the direction inclined by 45 degrees.
Furthermore, the light barrier is a mirror surface with a radius of 3mm aperture in the middle.
Further, the transmittance of the half mirror a is 45%.
Furthermore, a glass film is arranged at the top of the other side of the left cavity.
Furthermore, the lighting cavity is detachably connected with the right cavity through a countersunk head screw.
Furthermore, a semi-transparent mirror b is arranged at the joint of the illumination cavity and the right cavity.
Further, the half mirror b has a transmittance of 55%.
The utility model discloses owing to adopt above technical scheme, can gain following technological effect: according to the application, the left cavity is a transmittance detection light path, the right cavity is a illuminance rate detection light path, and the illumination cavity provides illumination when the illuminance of external glass is weak; by adopting a sub-module design mode, the whole volume is reduced, the later-stage replacement and maintenance are convenient, the reliability is high, the requirements of the automobile on the performance and the reliability are met, and the glass dust detection and the cleanliness detection can be realized.
Drawings
FIG. 1 is a view of a fixing mechanism;
FIG. 2 is a schematic diagram of transmittance optical path detection;
the numbers in the figure indicate that 1, windshield, 2, shell, 3, diffuse reflection surface, 4, L ED LED a, 5, L ED LED b, 6, light sensor a, 7, light sensor b, 8, light lens, 9, reflector, 10, light barrier, 11, semi-transparent mirror a, 12, reflection photoelectric sensor, 13, transmission photoelectric sensor, 14, light intensity reference photoelectric sensor, 15, left cavity, 16, horizontal cavity, 17, countersunk screw, 18, non-filterable visible light sheet, 19, transmission glass film 20, semi-transparent mirror b and 21, glass film.
Detailed Description
The embodiment of the present invention is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are provided, but the present invention is not limited to the following embodiments.
Example 1
The embodiment provides a fixing mechanism used in dust accumulation detection of an automobile windshield, which comprises a shell and a diffuse reflection surface, wherein the diffuse reflection surface is attached to the outer side of the windshield, the shell is installed on the inner side of the windshield, the shell comprises a left cavity, a right cavity and an illumination cavity, an L ED light emitting diode a is arranged at the bottom of the left cavity, a light intensity reference photoelectric sensor is arranged beside a L ED light emitting diode a, a light barrier is clamped at the lower part of the left cavity, a semi-transparent mirror a is obliquely arranged above the light barrier, a horizontal cavity is arranged on one side of the semi-transparent mirror a, a transmission photoelectric sensor is arranged in the horizontal cavity, the reflection photoelectric sensor is installed at the top of the left cavity, a transparent glass film is arranged at the front end of the reflection photoelectric sensor, a reflection plate is arranged on one side of the right cavity, an invisible light filtering sheet (light-permeable) is arranged at the top of the side, a light sensor b is located in the right cavity, an optical lens is arranged between the light sensor b and the reflection plate, the illumination cavity is arranged on the right cavity, an illumination.
L ED emitting diode a and L ED emitting diode b in this application are L ED green emitting diode, the effect is that the spectral value is relatively stable (550nm), long-lived, secondly the detection range of light sensor is about 200 and 1800nm, L ED luminous spectrum is exactly in the median of light sensor, the precision improves, the photoelectric element is not tired easily, the reliability is high, light sensor a, light sensor b are digital light intensity TS L2580-81 light sensor, reflect photoelectric sensor, transmission photoelectric sensor, light intensity reference photoelectric sensor are S69668 series photoelectric diode, the sensitivity of the said reflect light photoelectric sensor is higher than that of the transmission photoelectric sensor, light intensity reference photoelectric sensor, the optical lens chooses the biconvex experimental optical lens of constant sunshine K9.
The working principle of the fixing mechanism is as follows:
【1】 The left cavity is a transmittance detection light path:
the light detection device comprises an L ED light emitting source and ambient light penetrating through glass, wherein a L ED light emitting diode emits light, a light intensity reference photoelectric sensor 14 captures light of L ED for detection, L ED light intensity is used as a reference, the ambient light penetrates through a windshield 1, firstly passes through a glass film 21 on the top of a left cavity to a semi-transparent mirror a11, enters the left cavity, a part of light is irradiated to a light barrier 10 to be absorbed, a part of light passes through a transmission photoelectric sensor 13, a part of light is reflected through the semi-transparent mirror a11, penetrates through the windshield 1 to a diffuse reflection surface 3 after being reflected, is subjected to diffuse reflection by the diffuse reflection surface 3, is diffused to a reflection photoelectric sensor 12, and the reflection photoelectric sensor 12 detects the intensity of the diffused light, so that light detection of all light paths with the transmittance.
【2】 The right cavity is an illuminance rate detection light path:
the environment light penetrates through the windshield 1 and enters the reflector 9 through the invisible light filter 18, through reflection of the reflector 9, a small part of light penetrates through the light lens 8 and then enters the cavity where the light sensor b7 is located, the light path part penetrating through the glass illuminance rate is detected, the other part of light further enters the cavity where the light sensor a6 is located through the semi-transparent lens b20, and the light sensor a6 obtains light intensity.
【3】 When the illuminance of the external glass is weak, the light sensor a6 detects the illuminance of the cavity, the L ED LED b is triggered to light in a dark condition, the emitted light passes through the windshield 1, the detection light of the detection mechanism at the moment is provided for the L ED LED b in the illumination cavity, and after the detection light exists, the whole dust detection device continues to execute [1] [2 ].
The mechanical structure that two parts constitute dust detecting system technical core for two function detecting element jointly about in this application, and the design of submodule piece has reduced whole volume, and the later stage is changed and is maintained conveniently, and the reliability is high, satisfies the requirement of car to performance and reliability.
The design of the diffuse reflection surface avoids the need of separately arranging and installing the structure for replacing the reflected light ray detection device outside, and the purpose of the diffuse reflection surface skillfully reduces the number of active structures and the occupation of arrangement space caused by separately installing a transmittance detection unit structure outside the glass; the anti-interference capability of optical detection is improved.
The left cavity structure and the installation position of the components in the left cavity structure avoid interference caused by various factors when an external independent design detection mechanism detects the external independent design detection mechanism, the left side of the glass film is opposite to the diffuse reflection surface, the installation position is as shown in figure 1, the right side of the glass film is a path for light to enter, and therefore the installation design aims to ensure that the diffuse reflection surface 3 can reflect light to the reflection photoelectric sensor, and the purpose of detecting the transmittance of the windshield can be achieved.
The semi-transparent mirror b is installed in the access hole of the right cavity, ambient light is reflected through the invisible light filter 18-the reflector plate 9-the cavity where the light sensor b7 is located-the cavity where the light sensor a6 is located, the purpose of controlling the L ED working state in the lighting cavity by the ambient light is ingeniously achieved, light sensors do not need to be additionally arranged outside, the semi-transparent mirror b is installed to prevent the light intensity detection L ED light and the light sensor b from being mixed, the respective detection light intensity of the two paths of light which need to be analyzed in the later period is reduced, the difficulty of data processing is reduced, and therefore the purpose of detecting the external light of the windshield is achieved.
This application blocks light and sees through glass's intensity and influence glass surface scattering according to the dust and blocks light and see through glass's intensity for the entry point (one of the effect of dust blocks light and sees through glass's intensity, and two light have the scattering on the surface of laying dust at glass, influence light refraction angle, because the change of angle after the refraction, diffuse reflection light gets into back reflection photoelectric sensor's intensity and will change), from the characteristic when light sees through glass, let windshield laying dust detect and cleanliness detection purpose can realize.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for a person of ordinary skill in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A fixing mechanism used in dust accumulation detection of an automobile windshield is characterized by comprising a shell and a diffuse reflection surface, wherein the diffuse reflection surface is attached to the outer side of the windshield, the shell is mounted on the inner side of the windshield, the shell comprises a left cavity, a right cavity and an illumination cavity, L ED light emitting diodes a are arranged at the bottom of the left cavity, a light intensity reference photoelectric sensor is arranged beside L ED light emitting diodes a, a light barrier is clamped at the lower portion of the left cavity, a semi-transparent mirror a is obliquely arranged above the light barrier, a horizontal cavity is arranged on one side of the semi-transparent mirror a, a transmission photoelectric sensor is arranged in the horizontal cavity, the reflection photoelectric sensor is mounted at the top of the left cavity, a transparent glass film is arranged at the front end of the reflection photoelectric sensor, a reflection plate is arranged on one side of the right cavity, an invisible light filter sheet is arranged at the top of the side, a light sensor b is located in the right cavity, an optical lens is arranged between the light sensor b and the reflection plate, an illumination cavity is arranged on the right cavity, a L ED light emitting diodes b and a light.
2. The fixing mechanism for detecting dust on a windshield of an automobile according to claim 1, wherein the light barrier is provided with a semi-transparent mirror a at an angle of 45 °.
3. The fixing mechanism for detecting dust on a windshield of an automobile as claimed in claim 1, wherein the light barrier is a mirror surface with a 3mm radius aperture opened in the middle.
4. The fixing mechanism for detecting dust on a windshield of an automobile according to claim 1, wherein the transmittance of the semi-transparent mirror a is 45%.
5. The fixing mechanism for detecting dust on a windshield of an automobile according to claim 1, wherein a glass film is arranged on the top of the other side of the left cavity.
6. The fixing mechanism for detecting dust on a windshield of an automobile according to claim 1, wherein the illumination cavity is detachably connected with the right cavity through a countersunk head screw.
7. The fixing mechanism for detecting dust on a windshield of an automobile according to claim 6, wherein a semi-transparent mirror b is arranged at the joint of the illumination cavity and the right cavity.
8. The fixing mechanism for detecting dust on a windshield of an automobile as recited in claim 7, wherein the transmittance of the half-mirror b is 55%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021096.0U CN211061405U (en) | 2019-11-21 | 2019-11-21 | Fixing mechanism used in dust accumulation detection of automobile windshield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021096.0U CN211061405U (en) | 2019-11-21 | 2019-11-21 | Fixing mechanism used in dust accumulation detection of automobile windshield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061405U true CN211061405U (en) | 2020-07-21 |
Family
ID=71585801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922021096.0U Expired - Fee Related CN211061405U (en) | 2019-11-21 | 2019-11-21 | Fixing mechanism used in dust accumulation detection of automobile windshield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211061405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213245A (en) * | 2020-11-26 | 2021-01-12 | 南京擅水科技有限公司 | Smog response alarm device based on thing networking |
-
2019
- 2019-11-21 CN CN201922021096.0U patent/CN211061405U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213245A (en) * | 2020-11-26 | 2021-01-12 | 南京擅水科技有限公司 | Smog response alarm device based on thing networking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110849895B (en) | Dust accumulation detection and cleaning reminding system and method for automobile windshield | |
| CN102279194B (en) | Sensor device on motor vehicle | |
| US6207967B1 (en) | Off the glass imaging rain sensor | |
| EP2535741B1 (en) | System and method for reduction of optical noise | |
| CN211061405U (en) | Fixing mechanism used in dust accumulation detection of automobile windshield | |
| US10908334B2 (en) | Mitigation of perceived redness of infrared light | |
| CN204906352U (en) | Diffuse reflection photoelectric switch | |
| TWI518281B (en) | Inductive light source module | |
| CN205504771U (en) | Automobile -used laser light | |
| CN202002728U (en) | Ambient brightness detecting device | |
| CN211976805U (en) | Optical unit of automobile rearview mirror lane changing auxiliary system | |
| CN213072910U (en) | Infrared monitoring ball machine | |
| KR100989903B1 (en) | Lighting apparatus equipped with shielding means for photosensor | |
| CN212569180U (en) | Light path structure of rainfall sensor | |
| CN114754324A (en) | Self-cleaning type automobile LED front combined lamp | |
| CN207639843U (en) | Using the vanity mirror of transparent material reflecting light conductive plate | |
| EP3954599A3 (en) | Light sensing module | |
| JP4525846B1 (en) | refrigerator | |
| CN213046321U (en) | Whole body mirror | |
| CN212647035U (en) | Optical structure of rainfall sensor and rainfall sensor | |
| CN213065852U (en) | Novel street lamp lens | |
| CN202918266U (en) | Structure for preventing light interference in photoelectric switch | |
| CN219145479U (en) | Evidence obtaining device | |
| CN216569332U (en) | Edge-covered hidden lamp mirror | |
| CN210401187U (en) | Turbidity inductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20201121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |