CN112958494A - Vehicle-mounted vision acquisition module, active cleaning device thereof and unmanned vehicle - Google Patents
Vehicle-mounted vision acquisition module, active cleaning device thereof and unmanned vehicle Download PDFInfo
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- CN112958494A CN112958494A CN202110137879.4A CN202110137879A CN112958494A CN 112958494 A CN112958494 A CN 112958494A CN 202110137879 A CN202110137879 A CN 202110137879A CN 112958494 A CN112958494 A CN 112958494A
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- cleaning device
- active cleaning
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- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 238000007639 printing Methods 0.000 claims abstract description 35
- 238000005406 washing Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007790 scraping Methods 0.000 description 19
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
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- 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
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- B08B3/022—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
- B62D63/04—Component parts or accessories
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Studio Devices (AREA)
Abstract
The utility model relates to a vehicle-mounted vision acquisition module and active cleaning device, unmanned car thereof. This active cleaning device of module is gathered to on-vehicle vision includes stator base, rotating device, printing opacity casing, wiper and jetter, the printing opacity casing passes through rotating device rotationally installs on the stator base for the cover is established the subassembly is gathered to on-vehicle vision, the wiper sets up on the stator base and be located the outside of printing opacity casing is used for in the during operation tilt up attached in the surface of printing opacity casing, jetter be used for to the surface jet washing liquid of printing opacity casing. The printing opacity casing still scrapes its surface through the wiper when rotating, promotes clean effect, and the wiper setting is at the stator base, and the normal shooting work of its inside on-vehicle vision acquisition subassembly can not be influenced like this to the horizontal falling when clean the completion, has promoted the reliability of vision acquisition subassembly.
Description
Technical Field
The utility model relates to a technical field of subassembly is gathered to on-vehicle vision, specifically relates to a module is gathered to on-vehicle vision and active cleaning device, unmanned car thereof.
Background
Generally, the outside of a vehicle, such as an unmanned vehicle or a passenger vehicle with an unmanned driving assistance system, requires a plurality of on-board vision acquisition components, such as cameras, for acquiring and monitoring the external environment of the vehicle to provide a reference for the travel of the vehicle. Because on-vehicle vision acquisition assembly sets up in the outside of vehicle, can set up the installation cover generally and be used for concentrating the installation and protect a plurality of on-vehicle vision acquisition assemblies, nevertheless the installation cover exposes adsorbs filths such as floating dust, rainwater easily in the external world, can arouse sensitization and image distortion problem, can seriously influence the processing result of computer vision, and then leads to vehicle control to make mistakes. In order to ensure the acquisition effect of the vehicle-mounted vision acquisition assembly, the conventional solution is to clean the outside of the mounting cover by adopting a water washing scheme or a miniature windscreen wiper scheme and the like, wherein the water washing scheme is to spray water mist to the periphery of the mounting cover through a water pump and a pipeline, but the water mist can cause the problem of bead hanging on the mounting cover or image distortion, and particularly the cleaning effect in rainy days is poor; the scheme of the miniature windscreen wiper is that the windscreen wiper is driven to scrape along the circumferential direction of the mounting cover so as to achieve the purpose of cleaning, but the windscreen wiper moves on the arc surface, the scraping effect is general, the windscreen wiper can continuously shield the camera in the moving process, the collected image of the camera is influenced, and the vehicle control error is easily caused.
Disclosure of Invention
The purpose of the present disclosure is to provide a vehicle-mounted vision acquisition module, an active cleaning device thereof, and an unmanned vehicle, wherein the vehicle-mounted vision acquisition module does not affect the normal operation of the vehicle-mounted vision acquisition module during self-cleaning, so as to partially solve the above problems in the related art.
In order to realize the above-mentioned purpose, the present disclosure provides an active cleaning device of module is gathered to on-vehicle vision, including stator base, rotating device, printing opacity casing, wiper and jetter, the printing opacity casing passes through rotating device rotationally installs on the stator base, and be used for the cover to establish the subassembly is gathered to on-vehicle vision, the wiper sets up on the stator base and be located the outside of printing opacity casing, and be used for in the during operation attached in the surface of printing opacity casing, jetter be used for to the surface jet washing liquid of printing opacity casing.
Optionally, the active cleaning device of the vehicle-mounted vision acquisition module further includes a bottom plate, the stator base and the wiper are disposed side by side on the bottom plate, the wiper includes a scraping piece and a driving piece, the scraping piece is rotatably disposed on the bottom plate and has a scraping position attached to the light-transmitting housing and a storage position attached to the bottom plate, and the driving piece is used for driving the scraping piece to switch between the scraping position and the storage position.
Optionally, the rotating device includes a rotating seat, an actuating element, and a transmission element, the rotating seat is rotatably disposed on the stator base, the actuating element is fixed on the stator base, a power input side of the transmission element is connected to an output end of the actuating element, and a power output side of the transmission element is connected to the rotating seat.
Optionally, the rotating seat is formed with an accommodating cavity for accommodating the transmission member, the accommodating cavity is configured to be annular, the transmission member includes a transmission gear and a gear ring, the transmission gear is fixed at the output end of the actuating member and located in the accommodating cavity, the gear ring is fixed on the side wall of the accommodating cavity, and the transmission gear is engaged with the gear ring.
Optionally, an annular flange is formed at an edge of the rotating seat, a limiting groove is formed on the annular flange, the limiting groove extends along the circumferential direction of the annular flange, the light-transmitting housing includes a light-transmitting side wall configured in a cylindrical shape, and one end of the light-transmitting side wall is embedded in the limiting groove.
Optionally, the stator base includes inner column and first mount table, first mount table is fixed on the inner column, just the inner column has and is located respectively first column segment and the second column segment of first mount table both sides, rotating device rotationally overlaps and establishes on the first column segment, on-vehicle vision acquisition assembly installs on the first mount table.
Optionally, the rotating device further includes a bearing, the bearing includes an inner ring, an outer ring and a bearing cover, the first column section includes an inner shaft and an outer cylinder, the inner ring and the outer cylinder are fixed on the inner shaft side by side, the inner ring is located between the first mounting table and the outer cylinder, the outer ring is connected to the rotating device, and the bearing cover is fixedly connected to the rotating device to limit the outer ring on the rotating device.
Optionally, the stator base further includes a second mounting platform, the second mounting platform is fixed to an end portion, far away from the first mounting platform, of the second section, and has a mounting seat exposed out of the light-transmitting casing, and the mounting seat is used for mounting a sensor located outside the light-transmitting casing.
Optionally, the light-transmitting shell comprises an end cover and a light-transmitting side wall, the end cover comprises a main body and a flange, the main body is detachably fixed on the second mounting table, the flange is vertically arranged at the periphery of the main body and extends towards the first mounting table, the light-transmitting side wall is formed into a cylindrical shape, one end of the light-transmitting side wall is rotatably connected with the flange, the other end of the light-transmitting side wall is fixed on the rotating device, and a movable sealing element is further arranged between the light-transmitting side wall and the flange.
Optionally, the inner upright is configured as a hollow shaft to form a wiring cavity therein, the wiring cavity is used for arranging the wiring harness of the vehicle-mounted vision acquisition assembly, and the second column section is provided with a wire outlet hole, and the wire outlet hole is used for the wiring harness to pass through.
Optionally, the spray washing device comprises a pipe for communicating with a water source and a nozzle disposed at an end of the pipe, the nozzle being disposed toward an outside of the light-transmitting housing and disposed upstream of the wiper blade in proximity to the wiper blade.
Another aspect of the present disclosure also provides a vehicle-mounted vision acquisition module, including a vehicle-mounted vision acquisition assembly and an active cleaning device of the vehicle-mounted vision acquisition module as described above.
Optionally, the vehicle-mounted vision acquisition assembly is a camera, and the camera is arranged around a rotation axis of the rotation device at intervals.
Yet another aspect of the present disclosure also provides an unmanned vehicle comprising the vehicle-mounted vision acquisition module as described above.
Through above-mentioned technical scheme, on the active cleaning device of module is gathered to on-vehicle vision in this embodiment of the disclosure makes it rotate for the stator base through installing the printing opacity casing on rotating device, and the printing opacity casing is rotating the in-process, and filths such as attached water droplet of its surface, floating dust can break away from the printing opacity casing under the effect of centrifugal force to reach the effect of clean printing opacity casing surface. And the transparent shell is attached to the outer surface of the transparent shell through the windscreen wiper during rotation so as to wipe the outer surface of the transparent shell, and the windscreen wiper is arranged on the stator base and keeps relatively static, so that the transparent shell can rotate relative to the windscreen wiper during rotation, dirt on the outer surface of the transparent shell is wiped by the windscreen wiper, and the cleaning effect is improved. Above-mentioned printing opacity casing can not influence the normal shooting work of its inside on-vehicle vision acquisition subassembly at the pivoted in-process, and the reliability is high, and the wiper can be attached in the position of the surface of printing opacity casing and the shooting position stagger arrangement of the inside on-vehicle vision acquisition subassembly of printing opacity casing to avoid the wiper to shelter from the shooting of on-vehicle vision acquisition subassembly. In addition, this active cleaning device still includes the jetter, through to the washing liquid of printing opacity casing injection in order realizing clean, and this jetter and wiper's cooperation is used and can be improved holistic clean degree.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic diagram of an active cleaning device of a vehicle vision collection assembly in an embodiment of the disclosure;
FIG. 2 is a schematic view of an active cleaning device of an onboard vision collection assembly from another perspective in an embodiment of the disclosure;
FIG. 3 is a front view of an active cleaning device of an onboard vision acquisition assembly in an embodiment of the present disclosure;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4;
fig. 7 is a partially enlarged view of the area C in fig. 6.
Description of the reference numerals
1. A stator base; 11. a first mounting table; 111. a through hole; 12. an inner upright post; 122. an inner shaft; 1221. a first column section; 1222. a second column section; 123. an outer cylinder; 1231. a first flange; 124. a wiring cavity; 125. a wire outlet hole; 13. a second mounting table; 131. a mounting seat; 14. a dynamic seal; 2. a rotating device; 21. a rotating seat; 212. an accommodating chamber; 213. an annular flange; 22. an actuator; 23. a transmission member; 231. a transmission gear; 232. a ring gear; 24. a bearing; 241. an outer ring; 242. an inner ring; 243. a bearing cap; 3. a light-transmissive housing; 31. an end cap; 311. a main body; 312. flanging; 32. a light-transmissive sidewall; 4. a vehicle-mounted vision acquisition assembly; 41. a wire harness; 42. a camera; 43. a sensor; 5. a wiper blade; 51. a scraping member; 52. a drive member; 6. a base plate; 7. a spray washing device; 71. a pipeline; 72. and (4) a nozzle.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, the use of directional terms such as "inner and outer" means "inner and outer" with respect to the contour of the component or structure itself, unless otherwise specified. In addition, it is to be understood that the terms "first," "second," and the like are used for distinguishing one element from another, and are not necessarily order nor importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.
The embodiment of the present disclosure provides an active cleaning device for a vehicle-mounted vision acquisition module, wherein, the vehicle-mounted vision acquisition module includes a vehicle-mounted vision acquisition assembly 4, the vehicle-mounted vision acquisition assembly 4 refers to a device capable of acquiring and storing images, for example, a camera 42, a radar, an infrared instrument, a laser sensor, etc., and the active cleaning device for the vehicle-mounted vision acquisition module is mainly a device for installing and integrating the vehicle-mounted vision acquisition assembly 4. As shown in fig. 1 to 7, the active cleaning device of the vehicle-mounted vision acquisition module comprises a stator base 1, a rotating device 2, a light-transmitting shell 3, a windscreen wiper 5 and a spray-washing device 7, wherein the light-transmitting shell 3 is rotatably mounted on the stator base 1 through the rotating device 2 and is used for covering the vehicle-mounted vision acquisition assembly 4, the windscreen wiper 5 is arranged on the stator base 1 and is located on the outer side of the light-transmitting shell 3 and is used for being attached to the outer surface of the light-transmitting shell 3 during working, and the spray-washing device 7 is used for spraying a cleaning liquid to the outer surface of the light-.
Through above-mentioned technical scheme, the active cleaning device of module is gathered to on-vehicle vision in this embodiment of the disclosure makes it rotate for stator base 1 through installing printing opacity casing 3 on rotating device 2, and printing opacity casing 3 is at the rotation in-process, and filths such as attached water droplet of its surface, floating dust can break away from printing opacity casing 3 under the effect of centrifugal force to reach the effect of 3 surfaces of clean printing opacity casings. Moreover, the transparent shell 3 is attached to the outer surface of the transparent shell by the wiper 5 during rotation so as to wipe the outer surface of the transparent shell 3, wherein the wiper 5 is arranged on the stator base 1 and keeps relatively static, so that the transparent shell 3 can rotate relative to the wiper 5 during rotation, the wiper 5 can wipe dirt on the outer surface of the transparent shell 3 completely, and the cleaning effect is improved. Above-mentioned printing opacity casing 3 can not influence its inside on-vehicle vision acquisition assembly 4's normal shooting work at the pivoted in-process, and the reliability is high, and wiper 5 can stagger with the shooting position of the inside on-vehicle vision acquisition assembly 4 of printing opacity casing 3 in the position of attached in printing opacity casing 3's surface and arrange to avoid wiper 5 to shelter from the shooting of on-vehicle vision acquisition assembly 4. In addition, the active cleaning device further comprises a spray device 7, cleaning is realized by spraying cleaning liquid to the light-transmitting shell 3, and the overall cleaning degree can be improved by the matched use of the spray device 7 and the wiper 5.
In the embodiment of the present disclosure, as shown in fig. 1 to 5, the active cleaning device of the vehicle-mounted vision acquisition module further includes a bottom plate 6, the stator base 1 and the wiper 5 are arranged side by side on the bottom plate 6, the wiper 5 includes a scraping element 51 and a driving element 52, the scraping element 51 is rotatably arranged on the bottom plate 6 and has a scraping position attached to the light-transmitting housing 3 and a storage position attached to the bottom plate 6, and the driving element 52 is used for driving the scraping element 51 to switch between the scraping position and the storage position. The driving member 52 may be an electric motor, a motor, etc. to drive the scraping member 51 to rotate. In this way, when it is necessary to clean the light-transmitting housing 3, it is possible not only to spin the light-transmitting housing 3 to throw the dirt out by centrifugal force but also to scrape the light-transmitting housing 3 by the relative movement between the scraping member 51 and the light-transmitting housing 3 to clean it. When not needing the scraper to participate in, driving piece 52 can drive scraper 51 to the position of accomodating, guarantees active cleaning device's pleasing to the eye degree to avoid influencing the normal shooting of on-vehicle vision acquisition assembly 4 in the printing opacity casing 3.
Optionally, the scraping member 51 may be provided with soft scraping structures such as rags and rubber, which are attached to the surface of the light-transmitting casing 3 when the scraping member 51 is in the scraping position, and the soft scraping structures can clean the light-transmitting casing 3 more thoroughly without scratching the light-transmitting casing 3.
Furthermore, the above-described turning device 2 may be configured in any suitable configuration, which the present disclosure is not limited to. In an exemplary embodiment of the present disclosure, as shown in fig. 4 to 7, the rotating device 2 includes a rotating seat 21, an actuating component 22 and a transmission component 23, the rotating seat 21 is rotatably disposed on the stator base 1, and is mainly used for mounting and carrying the light-transmitting housing 3 and driving the light-transmitting housing 3 to rotate around the stator base 1. The actuating piece 22 is fixed on the stator base 1 and used for driving the rotating seat 21 to rotate, the power input side of the transmission piece 23 is connected with the output end of the actuating piece 22, the power output side of the transmission piece 23 is connected with the rotating seat 21, and the power input side of the transmission piece 23 transmits the power of the actuating piece 22 to the power output side to drive the rotating seat 21 to rotate.
The actuator 22 can drive the rotating base 21 to rotate at a constant speed in a constant direction, i.e. the rotating base 21 is driven to rotate at a constant speed in the same rotating direction; or, the actuating member 22 can also drive the rotating seat 21 to rotate at a constant speed and direction, i.e. the rotating seat 21 is continuously switched between clockwise rotation and counterclockwise rotation, but the rotating speed is inconvenient, so that the centrifugal force applied to the dirt is continuously reversed, which is beneficial to the dirt to be separated from the light-transmitting housing 3; alternatively, the actuator 22 can also drive the rotating seat 21 to rotate in a constant speed or a variable speed, that is, during the rotation of the rotating seat 21, the actuator 22 continuously changes the output rotation speed, so that the rotation speed of the rotating seat 21 continuously changes, and the dirt is promoted to rapidly separate from the light-transmitting housing 3. The present disclosure does not limit the rotation direction and the rotation speed of the rotary base 21.
In an embodiment of the present disclosure, the actuating member 22 may be an actuating device such as an electric motor or a motor directly outputting torque, and directly transmits the torque to the rotating base 21 through the transmission member 23.
In addition, the rotating seat 21 may be configured as a thin plate with a small thickness, so long as the requirement of supporting the light-transmitting housing 3 is satisfied, so as to reduce the overall weight of the active cleaning device of the vehicle-mounted vision acquisition module as much as possible; alternatively, the rotating seat 21 may be configured to have a column shape having a certain thickness and extending along the rotation axis thereof to improve the stability and the lifespan of the rotating seat 21, which the present disclosure does not limit.
Illustratively, as shown in fig. 6 and 7, the rotating base 21 is formed with an accommodating cavity 212 for accommodating the transmission member 23, the accommodating cavity 212 is configured to be annular, if the rotating base 21 is in a thin plate shape, the accommodating cavity 212 may be formed by bending the rotating base 21, and if the rotating base 21 is thick, the accommodating cavity 212 may be directly opened on the rotating base 21.
Further, the transmission member 23 includes a transmission gear 231 and a gear ring 232, the transmission gear 231 is fixed on the output end of the actuating member 22 and is located in the accommodating chamber 212, and the transmission gear 231 may be fixed directly on the output rotating shaft of the actuating member 22 for synchronous rotation with the output rotating shaft, for example. In addition, the gear ring 232 is fixed on the side wall of the accommodating cavity 212, and the transmission gear 231 is meshed with the gear ring 232, the rotation of the transmission gear 231 drives the gear ring 232 to rotate, the gear ring 232 drives the rotating seat 21 to rotate, the power of the actuating piece 22 is transmitted through the meshing of the gear and the gear ring 232, the stability and the precision of transmission can be improved, the number of the transmission pieces 23 is small, and the overall transmission efficiency is high.
As shown in fig. 5 to 7, in the embodiment of the present disclosure, an annular flange 213 is formed at an edge of the rotating base 21, a limiting groove is formed on the annular flange 213, the limiting groove extends along a circumferential direction of the annular flange 213, the light-transmitting housing 3 includes a light-transmitting sidewall 32 configured in a cylindrical shape, one end of the light-transmitting sidewall 32 is embedded in the limiting groove, so that the light-transmitting sidewall 32 is detachably and fixedly fitted with the limiting groove, and the rotating base 21 limits a radial displacement of the light-transmitting sidewall 32 along the rotating base 21 through the annular flange 213 and the limiting groove, so that the rotating base 21 maintains stability during rotation.
In other embodiments of the present disclosure, the light-transmitting sidewall 32 can be fixed on the rotating base 21 by various methods such as adhesion, fastening by a fastener, clamping, etc., which is not limited by the present disclosure. Further, it should be understood that the transparent sidewall 32 may be formed in a cylindrical shape, a square cylindrical shape or other symmetrical polygonal cylindrical shape, and accordingly, the annular flange 213 on the rotating base 21 may also be formed in a ring shape adapted to the transparent sidewall 32, such as an annular shape, a square annular shape or other polygonal shape, but the disclosure is not limited thereto.
As shown in fig. 5 to 7, the stator base 1 includes an inner column 12 and a first mounting platform 11, the first mounting platform 11 is fixed on the inner column 12, the inner column 12 has a first column section 1221 and a second column section 1222 respectively located at two sides of the first mounting platform 11, the rotating device 2 is rotatably sleeved on the first column section 1221, and the vehicle-mounted vision collecting assembly 4 is mounted on the first mounting platform 11 and arranged at the same side as the second column section 1222. In other words, the rotating device 2 and the vehicle-mounted vision collection assembly 4 are respectively positioned at two sides of the first mounting platform 11, so that the rotating device 2 is prevented from interfering with the vehicle-mounted vision collection assembly 4 in the rotating process. The printing opacity casing 3 is fixed on rotating device 2, can hold first mount table 11 completely in the inside of printing opacity casing 3, and when rotating device 2 drove printing opacity casing 3 and rotates, first mount table 11 can remain static, does not influence the normal collection shooting work of on-vehicle vision acquisition component 4. And, this active cleaning device includes inner column 12, and 2 covers of rotating device are established on inner column 12 for rotational stability is stronger, avoids leading to on-vehicle vision to gather subassembly 4 vibrations when rotating, improves the definition that on-vehicle vision gathers subassembly 4 and gathers the image. The active cleaning device does not need to be provided with other cleaning devices, and has a compact structure and small occupied space.
In addition, the rotating seat 21 of the rotating device 2 can be arranged with a gap in the axial direction with the first mounting table 11, so as to prevent mutual friction and reduce the rotating energy consumption of the rotating device 2.
In the disclosed embodiment, the actuating member 22 can be disposed on the first mounting platform 11, and the output end of the actuating member 22 extends into the accommodating cavity 212 to be connected with the transmission member 23. Specifically, the first mounting platform 11 may be provided with a through hole 111 for allowing the output end of the actuating member 22 to pass through, so that the actuating member 22 and the rotating device 2 can be respectively disposed at two sides of the first mounting platform 11, and then the output end of the actuating member 22 passes through the through hole 111 of the first mounting platform 11 and extends into the accommodating cavity 212 to actuate the transmission member 23 in the accommodating cavity 212, thereby preventing the rotating device 2 and the actuating member 22 from interfering with each other. In addition, the gear ring 232 may be an inner gear ring 232 or an outer gear ring 232, which may be in meshing transmission with the transmission gear 231, if the gear ring 232 is an inner gear ring, the inner gear ring may be disposed on a side wall of the accommodating cavity 212 closer to the outer edge of the rotating base 21, and if the gear ring 232 is an outer gear ring, the outer gear ring may be disposed on a side wall of the accommodating cavity 212 closer to the rotation axis of the rotating base 21, which is not limited by the present disclosure.
Specifically, as shown in fig. 7, the rotating device 2 further includes a bearing 24, the bearing 24 includes an inner ring 242, an outer ring 241 and a bearing cover 243, the first column section 1221 includes the inner shaft 122 and the outer cylinder 123, the inner ring 242 and the outer cylinder 123 are fixed on the inner shaft 122 side by side, and the inner ring 242 is located between the first mounting table 11 and the outer cylinder 123 to fix the inner ring 242 between the first mounting table 11 and the outer cylinder 123 in a limited manner. Thus, during installation, the inner ring 242 of the bearing 24 is firstly sleeved on the inner shaft 122, and then the outer cylinder 123 is sleeved on the inner shaft 122, and the end wall of the outer cylinder 123 abuts against the inner ring 242 of the bearing 24, so as to limit the axial displacement of the inner ring 242. The outer diameter of the inner shaft 122 may be the same as the inner diameter of the inner ring 242 of the bearing 24, and the inner diameter of the outer cylinder 123 may be the same as the outer diameter of the inner shaft 122 so as to abut against the inner ring 242 of the bearing 24 through the end of the outer cylinder 123.
In an alternative embodiment of the present disclosure, a shoulder that is in abutting engagement with an end surface of the inner ring 242 may be formed on the inner shaft 122 and spaced apart from the first mounting stage 11 to allow a clearance between the rotating device 2 and the first mounting stage 11 to avoid interference therebetween. The inner ring 242 of the bearing 24 is limited between the shaft shoulder and the outer cylinder 123, so that the stability is high and the assembly and disassembly are convenient. The outer cylinder 123 may be fixed to the inner cylinder by a fastening member such as a bolt or a screw, so as to be easily detached.
In the disclosed embodiment, and as further shown in fig. 7, the outer ring 241 of the bearing 24 is connected to the rotating device 2, and the bearing cover 243 is fixedly connected to the rotating device 2 to retain the outer ring 241 on the rotating device 2. Thus, the outer ring 241 of the bearing 24 is rotatable with respect to the inner ring 242 along with the turning device 2, and the stability and accuracy of the turning device 2 can be improved by the engagement between the outer ring 241 of the bearing 24 and the inner ring 242.
Specifically, a stopper portion for mounting the outer ring 241 of the bearing 24 may be formed on the rotary base 21, and the bearing cover 243 is fixed on the rotary base 21 and can form a groove for accommodating the outer ring 241 with the stopper portion, and the outer ring 241 is stopped and stopped in the groove to limit the axial displacement thereof. Further, the inner ring 242 and the outer ring 241 of the bearing 24 may be connected to the inner shaft 122 and the rotating seat 21 by various means such as interference fit, adhesion, welding, flat key connection, etc., to restrict circumferential displacement of the inner ring 242 with respect to the inner shaft 122 and circumferential displacement of the outer ring 241 with respect to the rotating seat 21.
Further, in order to mount the active cleaning device of the on-vehicle vision collection module to a vehicle such as an unmanned vehicle, a passenger vehicle, or the like, a first flange 1231 is further formed on the outer cylinder 123 of the inner pillar 12, the first flange 1231 being formed at an end of the outer cylinder 123 and extending in a radial direction, so that the outer cylinder 123 can be fixed to the vehicle by a fastener, thereby fixing the active cleaning device to the vehicle.
As shown in fig. 1, 3, 5 and 6, the stator base 1 further includes a second mounting table 13, and the second mounting table 13 is fixed to an end of the second column 1222 far from the first mounting table 11, so as to support the second mounting table 13 through the second column 1222. The second mounting stage 13 may be used to mount any component, and for example, the second mounting stage 13 has a base exposed out of the light-transmitting housing 3, and the base is used to mount a sensor 43, such as a radar sensor, a laser sensor, etc., located outside the light-transmitting housing 3, which is not limited by the present disclosure. By arranging the first mounting table 11 and the second mounting table 13 on the stator base 1, more mounting space is provided for the vehicle-mounted vision acquisition assembly 4, in other words, various vehicle-mounted vision acquisition assemblies 4 can be mounted on the stator base 1, and the integral integration level is improved.
Specifically, as shown in fig. 5 and 6, the second mount table 13 is formed in a flange plate shape protruding from the radial direction of the second column 1222, the base has a mounting portion and a connecting disc formed at the periphery of the mounting portion, the connecting disc being for fixing on the second mount table 13 by a fastener. Optionally, the mounting portion of the base and the connecting disc have a displacement difference along the axial direction of the second column 1222, so as to mount a fastener for fixing the vehicle-mounted vision acquisition assembly 4, so that the vehicle-mounted vision acquisition assembly 4 is detachably mounted at the mounting portion, and is convenient to replace.
Furthermore, in an alternative embodiment of the present disclosure, as shown in fig. 5 and 6, the inner column 12 includes a first column section 1221 and a second column section 1222, and the first column section 1221 and the second column section 1222 may be an integrally formed structure or a split structure, which is not limited by the present disclosure. In an exemplary embodiment, the second column 1222 has a radially protruding second flange formed on its outer sidewall, and the second flange is tightly fitted to the first mounting block 11 of the first column 1221 by a fastener. The second flange may be spaced apart from an end of the second column 1222, so that the end of the second column 1222 may be inserted into the interior of the first column 1221 to improve the connection stability between the first column 1221 and the second column 1222.
The light-transmitting housing 3 may be a housing which is light-transmitting entirely or partially, and the disclosure is not limited thereto. As shown in fig. 1 to 7, the light-transmitting housing 3 includes an end cover 31 and a light-transmitting side wall 32, the end cover 31 includes a main body 311 and a flange 312, the main body 311 is detachably fixed on the second mounting stage 13, the flange 312 is vertically disposed on the periphery of the main body 311 and extends toward the first mounting stage 11, the light-transmitting side wall 32 is formed in a cylindrical shape, one end of the side wall is rotatably connected to the flange 312, and the other end of the side wall is fixed to the rotating device 2, that is, when the rotating device 2 drives the light-transmitting side wall 32 to rotate, the end cover 31 is stationary relative to the stator base 1, and only. The transparent sidewall 32 can be installed inside the flange 312, so as to prevent the transparent sidewall 32 from deforming due to centrifugal force during rotation, and the end cap 31 and the annular flange 213 on the rotating base 21 are respectively disposed at two ends of the transparent sidewall 32, so as to limit axial displacement of the transparent sidewall 32 from the two ends, and stably maintain the transparent sidewall 32 on the rotating base 21.
In order to ensure the sealing performance between the light-transmitting side wall 32 and the end cap 31, as shown in fig. 7, a dynamic seal 14 is further provided between the light-transmitting side wall 32 and the flange 312. The dynamic seal 14 may be, for example, a sliding seal ring, so that the light-transmitting housing 3 can be rotated relative to the end cap 31 while ensuring a sealing effect.
In the embodiment of the present disclosure, as shown in fig. 5 and 6, the inner pillar 12 is configured as a hollow shaft to form a wiring cavity 124 inside thereof, the wiring cavity 124 is used for routing the wiring harness 41 of the vehicle-mounted vision collecting assembly 4, and the second pillar 1222 is provided with an outlet hole 125, and the outlet hole 125 is used for passing through the wiring harness 41. Thus, the wire harness 41 enters the inside of the light-transmitting housing 3 from the wiring cavity 124, the rotation of the rotating device 2 is prevented from affecting the wire harness 41, and the wire harness 41 can be protected.
The side wall and the end of the second column 1222 may be provided with a wire outlet hole 125, and a plurality of wire outlet holes 125 may be formed in the side wall of the second column 1222, and the plurality of wire outlet holes 125 are arranged at intervals along the peripheral wall of the second column 1222, for penetrating the wiring harness 41 of the vehicle-mounted vision acquisition assembly 4 on the first mounting platform 11; the outlet hole 125 at the end of the second column 1222 may be used to pass the wiring harness 41 of the on-board vision collection assembly 4 on the second mounting table 13.
In the embodiment of the present disclosure, as shown in fig. 1, 3 and 5, the active cleaning device of the vehicle-mounted vision acquisition module further includes a spraying device 7, the spraying device 7 includes a pipe 71 for communicating with a water source and a nozzle 72 disposed at an end of the pipe 71, a via hole for allowing the pipe 71 to pass through is formed on the transparent housing 3, the pipe 71 is disposed in the wiring cavity 124 and extends out of the via hole to an outer side of the transparent housing 3, a sealing ring is further disposed between the via hole and the pipe 71, and the nozzle 72 is disposed toward the outer side of the transparent housing 3 and is disposed near the wiper 5 at an upstream of the wiper 5. The cleaning degree of the transparent shell 3 by the wiper 5 can be improved by spraying the cleaning liquid through the spray washing device 7 to wash the surface of the transparent shell 3.
Furthermore, as shown in fig. 4, the active cleaning device of the vehicle-mounted vision collection module further includes a plurality of lens mounts for mounting the vehicle-mounted vision collection assembly 4, and the lens mounts are arranged at equal intervals around the rotation axis of the rotating device 2, so that a plurality of vehicle-mounted vision collection assemblies 4 such as the cameras 42 can be arranged at equal intervals along the circumferential direction, so as to collect all images around the active cleaning device. For example, 6 lens holders can be arranged, and the included angle between the adjacent lens holders and the rotation center can be 60 degrees, so that the surrounding environment can be shot at the full angle as much as possible.
Another aspect of the present disclosure also provides a vehicle-mounted vision acquisition module, which includes a vehicle-mounted vision acquisition assembly 4 and an active cleaning device of the vehicle-mounted vision acquisition module as described above. This active cleaning device of module is gathered to on-vehicle vision is clean effectual, and can not influence the shooting of the subassembly 4 is gathered to on-vehicle vision such as camera 42 when clean, and the reliability is high.
Further, the on-vehicle vision collection assembly 4 may be a camera arranged as required around the rotation axis or the like of the rotating device 2, for example, may be arranged at required angular intervals, which may be equal or different, in other words, may be arranged at intervals of random angles, or may be arranged at equal intervals of equal angles. The camera may be mounted on a lens mount to enable image capture of various angular ranges around.
Another aspect of the present disclosure also provides an unmanned vehicle including the vehicle-mounted vision acquisition module as described above.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (14)
1. The utility model provides an active cleaning device of module is gathered to on-vehicle vision, its characterized in that, includes stator base (1), rotating device (2), printing opacity casing (3), wiper (5) and jetter (7), printing opacity casing (3) are passed through rotating device (2) rotationally install on stator base (1) for the cover is established subassembly (4) is gathered to on-vehicle vision, wiper (5) set up stator base (1) is gone up and is located the outside of printing opacity casing (3) is used for at the during operation attached in the surface of printing opacity casing (3), jetter (7) be used for to the surface injection washing liquid of printing opacity casing (3).
2. An active cleaning device of a vehicle vision collection module according to claim 1, characterized in that the active cleaning device of the vehicle vision collection module (4) further comprises a base plate (6), the stator base (1) and the wiper blade (5) are arranged side by side on the base plate (6), the wiper blade (5) comprises a wiper member (51) and a driving member (52), the wiper member (51) is rotatably arranged on the base plate (6) and has a wiping position attached to the light-transmitting housing (3) and a storage position attached to the base plate (6), and the driving member (52) is used for driving the wiper member (51) to switch between the wiping position and the storage position.
3. An active cleaning device of a vehicle vision collection module according to claim 1, wherein the rotating device (2) comprises a rotating base (21), an actuating element (22) and a transmission element (23), the rotating base (21) is rotatably disposed on the stator base (1), the actuating element (22) is fixed on the stator base (1), the power input side of the transmission element (23) is connected with the output end of the actuating element (22), and the power output side of the transmission element (23) is connected with the rotating base (21).
4. An active cleaning device of a vehicle vision collection module according to claim 3, wherein the rotating seat (21) is formed with an accommodating cavity (212) for accommodating the transmission member (23), the accommodating cavity (212) is configured as a ring, the transmission member (23) comprises a transmission gear (231) and a gear ring (232), the transmission gear (231) is fixed at the output end of the actuating member (22) and is located in the accommodating cavity (212), the gear ring (232) is fixed at the side wall of the accommodating cavity (212), and the transmission gear (231) is meshed with the gear ring (232).
5. The active cleaning device of the vehicle-mounted vision acquisition module of claim 3, wherein an annular flange (213) is formed at the edge of the rotating seat (21), a limiting groove is formed on the annular flange (213), the limiting groove extends along the circumferential direction of the annular flange (213), the light-transmitting shell (3) comprises a light-transmitting side wall (32) which is configured to be cylindrical, and one end of the light-transmitting side wall (32) is embedded in the limiting groove.
6. An active cleaning device of a vehicle vision collection module according to any one of claims 1-5, wherein the stator base (1) comprises an inner column (12) and a first mounting platform (11), the first mounting platform (11) is fixed on the inner column (12), the inner column (12) has a first column section (1221) and a second column section (1222) respectively located at two sides of the first mounting platform (11), the rotating device (2) is rotatably sleeved on the first column section (1221), and the vehicle vision collection assembly (4) is mounted on the first mounting platform (11).
7. An active cleaning device of a vehicle vision collection module according to claim 6, wherein the rotating device (2) further comprises a bearing (24), the bearing (24) comprises an inner ring (242), an outer ring (241) and a bearing cover (243), the first column section (1221) comprises an inner shaft (122) and an outer cylinder (123), the inner ring (242) and the outer cylinder (123) are fixed on the inner shaft (122) side by side, the inner ring (242) is located between the first mounting platform (11) and the outer cylinder (123), the outer ring (241) is connected with the rotating device (2), and the bearing cover (243) is fixedly connected with the rotating device (2) to limit the outer ring (241) on the rotating device (2).
8. An active cleaning device of a vehicle vision collection module according to claim 6, wherein the stator base (1) further comprises a second mounting platform (13), the second mounting platform (13) is fixed on the end of the second section (1222) far away from the first mounting platform (11) and has a mounting seat (131) exposed out of the light-transmitting casing (3), and the mounting seat (131) is used for mounting the vehicle vision collection assembly (4) outside the light-transmitting casing (3).
9. The active cleaning device of the vehicle-mounted vision acquisition module according to claim 8, wherein the light-transmitting housing (3) comprises an end cover (31) and a light-transmitting side wall (32), the end cover (31) comprises a main body (311) and a flange (312), the main body (311) is detachably fixed on the second mounting table (13), the flange (312) is vertically arranged on the periphery of the main body (311) and extends towards the first mounting table (11), the light-transmitting side wall (32) is formed in a cylindrical shape, one end of the light-transmitting side wall is rotatably connected with the flange (312), the other end of the light-transmitting side wall is fixed on the rotating device (2), and a dynamic sealing element (14) is further arranged between the light-transmitting side wall (32) and the flange (312).
10. The active cleaning device of the vehicle vision collection module according to claim 6, wherein the inner post (12) is configured as a hollow shaft to form a wiring cavity (124) therein, the wiring cavity (124) is used for routing the wiring harness (41) of the vehicle vision collection assembly (4), the second column section (1222) is provided with an outlet hole (125), and the outlet hole (125) is used for passing through the wiring harness (41).
11. An active cleaning device of an on-board vision collection module according to claim 1, characterized in that said spray device (7) comprises a duct (71) for communicating with a water source and a nozzle (72) arranged at the end of said duct (71), said nozzle (72) being arranged towards the outside of said light-transmissive housing (3) and being arranged upstream of said wiper blade (5) close to said wiper blade (5).
12. An on-board vision acquisition module, characterized by comprising an on-board vision acquisition assembly (4) and an active cleaning device of the on-board vision acquisition module according to any one of claims 1-11.
13. The vehicle vision acquisition module according to claim 12, characterized in that said vehicle vision acquisition assembly (4) is a camera, said camera being spaced around the rotation axis of the rotation device (2).
14. An unmanned vehicle, comprising an on-board vision acquisition module according to claim 12 or 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110137879.4A CN112958494A (en) | 2021-02-01 | 2021-02-01 | Vehicle-mounted vision acquisition module, active cleaning device thereof and unmanned vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110137879.4A CN112958494A (en) | 2021-02-01 | 2021-02-01 | Vehicle-mounted vision acquisition module, active cleaning device thereof and unmanned vehicle |
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| CN112958494A true CN112958494A (en) | 2021-06-15 |
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| CN202110137879.4A Pending CN112958494A (en) | 2021-02-01 | 2021-02-01 | Vehicle-mounted vision acquisition module, active cleaning device thereof and unmanned vehicle |
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