CN115672818A - Optical sensor belt cleaning device - Google Patents
Optical sensor belt cleaning device Download PDFInfo
- Publication number
- CN115672818A CN115672818A CN202211527759.6A CN202211527759A CN115672818A CN 115672818 A CN115672818 A CN 115672818A CN 202211527759 A CN202211527759 A CN 202211527759A CN 115672818 A CN115672818 A CN 115672818A
- Authority
- CN
- China
- Prior art keywords
- rotating body
- optical sensor
- light
- sensor
- housing
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 39
- 230000003287 optical effect Effects 0.000 title claims abstract description 19
- 238000007790 scraping Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Cleaning In General (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an optical sensor cleaning device, which relates to the technical field of sensors and comprises the following components: the device comprises a driving motor, a scraping blade, a bearing and one or more sensors, wherein the driving motor is connected with an outer ring of the bearing through a transmission mechanism; the rotating body light-transmitting outer housing is connected to the outer ring of the bearing; the rotating body light-transmitting outer cover is covered outside the one or more sensors; the scraping blade is arranged outside the outer wall of the light-transmitting outer casing of the rotating body. When the invention works, the scraping blade only contacts with the light-transmitting outer housing of the rotating body and does not scratch the sensor any more, thereby not only improving the cleaning effect and avoiding the surface abrasion of the sensor, but also having a layer of protection effect on the sensor because the housing is added outside, more importantly, the invention can not interfere the work of the sensor or cause the fault of false recognition, and is particularly suitable for intelligent application occasions, such as a vehicle driving auxiliary system or an unmanned driving system.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to an optical sensor cleaning device.
Background
Sensors are widely used in industry and life, and are often used in, for example, vehicle driving assistance systems and unmanned systems to detect the environment around a vehicle and identify surrounding objects. Sensor types include laser radar, cameras, etc.
However, the surfaces of the sensors such as the camera and the laser radar are easily affected by the environment, various pollutants, rain, snow, dust, stains, insect corpses and the like can be attached to the surfaces of the sensors, and the surfaces of the sensors are polluted to influence the acquisition effect: for example, when a camera is attached by rain, a lens becomes blurred, and an image may be distorted, so that all images collected under normal conditions cannot be collected; if dust and dirt exist on the surface of the laser radar, the emission and the reception of laser are shielded to generate missed detection and false detection of obstacles. Once the sensor is contaminated, the driving assistance function may be limited and the automatic driving function may be disabled, thereby causing a traffic accident.
Therefore, the sensor requires a cleaning device. The existing sensor cleaning device generally adopts a scraping cleaning mode that a windscreen wiper moves and a sensor is fixed, and the scraping mode comprises a translation scraping mode and a rotary scraping mode. The translation type scraping is adopted, the mechanism is complex and large, and the scraping strip directly contacts the surface of the sensor, so that the surface of the sensor is abraded during scraping. With the rotary scraping, the related structure of the rotary scraping strip is complicated, and the scraping strip is also required to be in direct contact with the sensor surface, so that the sensor surface is abraded. Furthermore, more serious are: when the scraping strip moves and scrapes on the surface of the sensor, the operation of the sensor can be interfered, faults which are identified by mistake can be caused, and a vehicle driving auxiliary system or an unmanned driving system is influenced.
Disclosure of Invention
The present invention is directed to an optical sensor cleaning device to solve the above-mentioned sensor cleaning problem in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an optical sensor cleaning device comprising:
the device comprises a driving motor, a scraping blade, a bearing and one or more sensors, wherein the driving motor is connected with an outer ring of the bearing through a transmission mechanism; the rotating body light-transmitting outer housing is connected to the outer ring of the bearing; the rotating body light-transmitting outer cover is covered outside the one or more sensors; the scraping blade is arranged outside the outer wall of the light-transmitting outer casing of the rotating body.
Preferably, the optical sensor cleaning device further comprises a liquid spraying device.
Preferably, the optical sensor cleaning device further comprises an air injection device.
Preferably, the optical sensor cleaning device further comprises a base, and the driving motor, the scraping blade, the bearing and the one or more sensors are fixedly mounted on the base.
Preferably, the base has a connection portion.
Preferably, the rotating body light-transmitting outer casing is closed.
Preferably, the base has a fixing structure, and the one or more sensors are mounted on the base through the fixing structure.
Preferably, the contact surface of the scraper is matched with the shape of the outer surface of the light-transmitting outer casing of the rotating body.
Preferably, the base is provided with an outer cover, the base, the driving motor, the bearing, the transmission mechanism, the air injection device and the liquid injection device are covered in the outer cover, and holes are reserved for the light-transmitting outer cover of the rotating body, the scraping blade, the air injection port of the air injection device and the liquid injection port of the liquid injection device.
Preferably, a scraping blade cover is arranged outside the scraping blade, and the scraping blade cover is connected with the cover in a clamping manner through a clamping groove.
Compared with the prior art, the invention has the beneficial effects that: the cleaning device is characterized in that the cleaning device is cleaned by rotating the light-transmitting outer housing of the rotating body, the scraping blade is fixed and only contacts with the light-transmitting outer housing of the rotating body, and the sensor is not scratched, so that the cleaning effect is improved, the surface abrasion of the sensor is avoided, the housing is additionally arranged outside, the sensor is protected by one layer, more importantly, the work of the sensor is not interfered, or faults of misidentification are caused, and the cleaning device is particularly suitable for important application occasions, particularly intelligent application occasions, such as a vehicle driving auxiliary system or an unmanned system.
Drawings
FIG. 1 is an assembly schematic of the present invention;
FIG. 2 is a schematic view of the connection structure of the main components of the present invention;
fig. 3 is an external overall view of the present invention.
In the figure: 100. a base; 101. a drive motor; 102. scraping a blade; 103. a bearing; 104. a sensor; 105. a light-transmitting outer casing of the rotating body; 106. an air injection device; 107. a liquid spraying device; 108. a connecting portion; 109. a transmission mechanism; 110. a housing; 111. a wiper blade housing.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in FIGS. 1-3, the present invention comprises a base 100, a driving motor 101, a scraping blade 102, an air injection device 106, and a liquid injection device 107 are fixedly mounted on the base 100, a fixed structure is provided in the middle of the base 100, a bearing 103 and one or more sensors 104 are mounted on the fixed structure, the driving motor 101 is connected with the outer ring of the bearing 103 through a transmission mechanism 109, the outer ring of the bearing 103 is connected with a rotating body light-transmitting outer housing 105 as a working outer ring, the rotating body light-transmitting outer housing 105 covers one or more sensors 104, the scraping blade 102 is disposed outside the outer wall of the rotating body light-transmitting outer housing 105, and the contact surface is matched with the rotating body light-transmitting outer housing 105. The gas injector 106 and the liquid injector 107 may be connected to existing gas and liquid devices and their control systems, such as the water tank of an automobile, or may be provided by the present invention without limitation. The base 100 has a connection portion 108 for connecting with an application environment of the present invention, such as a body of a smart car.
In one embodiment of the present invention, the outer ring of the bearing 103 and the inner ring of the gear of the transmission mechanism 109 are sleeved together and fixedly connected, and may be in interference fit or in other fixing manners.
In order to keep the main parts of the present invention clean and durable, the light-transmitting housing 105 of the rotating body is closed, and the base 100 has a housing 110 which houses the base 100, the driving motor 101, the bearings 103 and 109, the air injection device 106 and the liquid ejection device 107 therein, and which is provided with holes for the light-transmitting housing 105 of the rotating body, the blade 102, the air injection port of the air injection device 106 and the liquid ejection port of the liquid ejection device 107. The wiper blade shell 111 is arranged outside the wiper blade 102, and the wiper blade shell 111 is connected with the outer cover 110 in a clamping manner through a clamping groove, so that the sensor cleaning device has longer service life and more stable and durable effect compared with the traditional sensor cleaning device.
In operation, the driving motor 101 drives the outer ring of the bearing 103 to rotate through the transmission mechanism 109, so as to drive the rotating body light-transmitting outer casing 105 to rotate, while the scraping blade 102 is stationary, and the relative movement of the two causes the scraping blade 102 to scrape off the pollutants on the surface of the rotating body light-transmitting outer casing 105. In order to enhance the cleaning effect, the air injection device 106 and the liquid injection device 107 can also be operated simultaneously; the ejected liquid may make it easier for the blade 102 to remove contaminants; the ejected gas can accelerate the evaporation of the liquid on the surface of the light-transmitting outer housing 105 of the rotating body.
The one or more sensors 101 of the present invention may be cylindrical lidar or any type of sensor of any shape, such as a spherical camera.
Because the blade 102 is stationary, it can be positioned in a dead zone or minimally-affected area of the sensor to avoid interfering with the operation of the sensor. The position selection is more preferable than the cleaning mode in which the blade 102 is moved.
The cleaning device can remove various pollutants attached to the light-transmitting outer casing 105 of the rotating body, such as rain, snow, dust, dirt, insect corpses and the like.
Compared with the traditional sensor cleaning device, the sensor cleaning device has small volume and compact mechanism, the sensor cleaning device is cleaned by the rotation of the light-transmitting outer housing 105 of the rotating body, the scraping blade 102 is only contacted with the light-transmitting outer housing 105 of the rotating body and does not scratch the sensor, the cleaning effect is improved, the surface abrasion of the sensor is avoided, a layer of protection effect is added on the sensor because the housing is added outside, more importantly, the sensor cleaning device does not interfere with the work of the sensor or cause the fault of false identification, and the sensor cleaning device is suitable for the traditional application occasions, particularly for the important application occasions, particularly the intelligent application occasions, such as a vehicle driving auxiliary system or an unmanned system.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. An optical sensor cleaning device comprising:
the device comprises a driving motor, a scraping blade, a bearing and one or more sensors, wherein the driving motor is connected with the outer ring of the bearing through a transmission mechanism;
the rotating body light-transmitting outer casing is connected to the outer ring of the bearing;
the rotating body light-transmitting outer cover is covered outside the one or more sensors;
the scraping blade is fixedly arranged outside the outer wall of the light-transmitting outer housing of the rotating body.
2. The optical sensor cleaning apparatus according to claim 1, further comprising a liquid spraying device.
3. The optical sensor cleaning device according to claim 2, further comprising a gas injection device.
4. The optical sensor cleaning apparatus according to claim 3, further comprising a base on which the driving motor, the wiper, the bearing, and the one or more sensors are fixedly mounted.
5. The optical sensor cleaning apparatus according to claim 4, wherein the base has a connecting portion.
6. An optical sensor cleaning device according to claim 5, wherein the light-transmissive outer shell of the rotating body is closed.
7. An optical sensor cleaning apparatus according to claim 6, wherein the base has a fixed structure, the one or more sensors being mounted on the fixed structure.
8. The optical sensor cleaning device according to claim 7, wherein the contact surface of the wiper blade is matched with the shape of the outer surface of the light-transmitting outer casing of the rotating body, and the wiper blade is fixed.
9. The optical sensor cleaning device according to claim 8, wherein the base has a housing for housing the base, the driving motor, the bearing, the transmission mechanism, the air injection device, and the liquid injection device therein, and holes are provided for the light-transmitting housing of the rotating body, the wiper, the air injection port of the air injection device, and the liquid injection port of the liquid injection device.
10. The optical sensor cleaning device according to claim 9, wherein a wiper blade housing is disposed outside the wiper blade, and the wiper blade housing is connected to the housing by a locking groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211527759.6A CN115672818A (en) | 2022-12-01 | 2022-12-01 | Optical sensor belt cleaning device |
| PCT/CN2023/134140 WO2024114541A1 (en) | 2022-12-01 | 2023-11-24 | Optical sensor cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211527759.6A CN115672818A (en) | 2022-12-01 | 2022-12-01 | Optical sensor belt cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115672818A true CN115672818A (en) | 2023-02-03 |
Family
ID=85056028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211527759.6A Pending CN115672818A (en) | 2022-12-01 | 2022-12-01 | Optical sensor belt cleaning device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115672818A (en) |
| WO (1) | WO2024114541A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024114541A1 (en) * | 2022-12-01 | 2024-06-06 | 上海百斯加技术有限公司 | Optical sensor cleaning device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017221530A1 (en) * | 2017-11-30 | 2019-06-06 | Robert Bosch Gmbh | Device designed for environment detection and method for cleaning a cover of such a device |
| US20220234545A1 (en) * | 2020-08-13 | 2022-07-28 | Gm Cruise Holdings Llc | Rotating blade mechanism for cleaning cylindrical sensors |
| KR102290431B1 (en) * | 2021-01-22 | 2021-08-18 | 디와이오토 주식회사 | Cleaning system for cylindrical object |
| CN214507194U (en) * | 2021-04-14 | 2021-10-26 | 杭州禹联科技有限公司 | Protective device of monitoring equipment |
| CN214846173U (en) * | 2021-07-09 | 2021-11-23 | 王奕皓 | Portable photographic light diffuser |
| CN218610557U (en) * | 2022-12-01 | 2023-03-14 | 上海百斯加技术有限公司 | Optical sensor belt cleaning device |
| CN115672818A (en) * | 2022-12-01 | 2023-02-03 | 上海百斯加技术有限公司 | Optical sensor belt cleaning device |
-
2022
- 2022-12-01 CN CN202211527759.6A patent/CN115672818A/en active Pending
-
2023
- 2023-11-24 WO PCT/CN2023/134140 patent/WO2024114541A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024114541A1 (en) * | 2022-12-01 | 2024-06-06 | 上海百斯加技术有限公司 | Optical sensor cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024114541A1 (en) | 2024-06-06 |
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