CN216052198U - Cleaning structure for vehicle-mounted laser radar - Google Patents
Cleaning structure for vehicle-mounted laser radar Download PDFInfo
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- CN216052198U CN216052198U CN202122435677.6U CN202122435677U CN216052198U CN 216052198 U CN216052198 U CN 216052198U CN 202122435677 U CN202122435677 U CN 202122435677U CN 216052198 U CN216052198 U CN 216052198U
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Abstract
The utility model relates to the technical field of laser radar cleaning, in particular to a cleaning structure for a vehicle-mounted laser radar, which comprises a radar terminal, wherein a hoop is fixedly sleeved on the lower side of the surface of the radar terminal, a micro fan is fixedly arranged on the lower side of the inner wall of the hoop, airflow is sprayed out through an air passage to form an annular air wall so as to prevent external dust from sticking to the side wall of the radar terminal, meanwhile, the airflow is guided to the inner side from an upper curved surface and is deflected to the top of the radar terminal, so that the airflow and the side wall air wall are combined into a closed air hood, the whole surface of the radar terminal is completely isolated from the outside by high-speed airflow, the possibility that the surface of the radar terminal is polluted by external impurities is reduced under the condition that the use is not influenced, the micro fan is turned off to remove airflow constraint, a tension spring pulls a curved surface ring disc and a guide rod to move back, and bristles on the surface of the radar terminal are swept by bristles on the inner ring, therefore, the automatic cleaning process after the surface of the radar terminal is stained is realized, and the cleaning work is more flexible and convenient.
Description
Technical Field
The utility model relates to the technical field of laser radar cleaning, in particular to a cleaning structure for a vehicle-mounted laser radar.
Background
The laser radar system is a system for emitting laser beams to detect the position, the speed and other characteristics of a target, and the working principle is as follows: the laser emitter emits laser beams, the laser beams are projected to a scanning area for scanning through the filter cover in front after being collimated by the reflection optical system, when objects exist in the scanning area, the laser beams can be reflected to form echo beams, the echo beams are focused by the receiving optical system after penetrating through the filter cover and then are received by the laser receiver, and then the distance is determined according to the receiving and sending time difference or the distance is determined according to the phase difference.
Laser radar is as light detection and range finding equipment, and its application is increasingly extensive, for example be applied to the vehicle in-process, need expose laser radar in the environment usually, dirt such as dust in the environment can adhere on laser radar's filter cover surface, and dirt such as the dust that filter cover surface adheres can form the interference to laser radar's scanning detection for can mistake regard the dirt as the target object to detect at the detection in-process, output distance data, lead to unable accurate measuring result, can lead to laser radar unable normal work even when serious. The inventor finds the following problems in the prior art in the process of implementing the utility model: 1. the method lacks a protection measure capable of isolating dust under the condition of not shielding the radar; 2. and after actual dirt occurs, the dirt needs to be cleaned independently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cleaning structure for a vehicle-mounted laser radar, and aims to solve the problems that a protective measure capable of isolating dust under the condition of not shielding the radar is lacked and the vehicle-mounted laser radar needs to be cleaned independently after actual dirt occurs in the background technology. In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vehicular laser radar is with clean structure, includes the radar terminal, the fixed armful ring that has cup jointed of downside on radar terminal surface, the downside fixed mounting who embraces the ring inner wall has micro-fan, and the top and the inboard of armful ring offer with micro-fan matched with air flue.
The surface fixedly connected with installation head of embracing the ring, and the surface of installation head has seted up the jack, the inside sliding insertion of jack has the guide arm, the bottom fixedly connected with bulge card of guide arm, the top fixedly connected with of guide arm and air flue and radar terminal matched with curved surface ring dish, the extension spring has been cup jointed in the surface activity of guide arm, the both ends of extension spring respectively with installation head and curved surface ring dish fixed connection, and the inboard fixedly connected with of curved surface ring dish and radar terminal matched with brush hair.
Preferably, the upper side and the lower side of the embracing ring are fixedly connected with the radar terminal and the micro fan respectively through screws.
Preferably, the number of the air passages is set to be a plurality of and is distributed along the embracing ring in an annular and equidistant mode.
Preferably, a metal filter plate matched with the micro fan is fixedly installed at the bottom of the embracing ring.
Preferably, the number of the mounting heads is three, and the three mounting heads are arranged at equal intervals along the embracing surface.
Preferably, the mounting head, the embracing ring and the curved surface ring plate are all made of plastic steel materials.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the airflow is ejected from the air passage to form the annular air wall to prevent external dust from adhering to and covering the side wall of the radar terminal, and meanwhile, the airflow is guided to the inner side from the upper curved surface and deflected to the top of the radar terminal, so that the airflow and the side wall air wall are combined into the closed air hood, the whole surface of the radar terminal is completely isolated from the outside by the high-speed airflow, and the possibility that the surface of the radar terminal is polluted by external impurities is reduced under the condition that the use is not influenced.
According to the utility model, the airflow constraint is relieved by shutting down the micro fan, the curved ring disc and the guide rod are pulled back by the tension spring, and the bristles on the inner ring are used for scraping on the surface of the radar terminal in the process, so that the automatic cleaning process is realized after the surface of the radar terminal is polluted, and the cleaning work is more flexible and convenient.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a perspective sectional view of the present invention.
In the figure: 1. a radar terminal; 2. encircling; 3. a micro fan; 4. an airway; 5. a mounting head; 6. a jack; 7. a guide bar; 8. a convex card; 9. a curved annular disc; 10. a tension spring; 11. and (3) brush hairs.
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 workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a cleaning structure for a vehicle-mounted laser radar comprises a radar terminal 1, wherein an embracing ring 2 is fixedly sleeved on the lower side of the surface of the radar terminal 1, a micro fan 3 is fixedly installed on the lower side of the inner wall of the embracing ring 2, an air passage 4 matched with the micro fan 3 is formed in the top and the inner side of the embracing ring 2, and the micro fan 3 is started and then guides air from bottom to top so that the air flow is sprayed out from the air passage 4 to form an annular air wall;
the surface of the embracing ring 2 is fixedly connected with an installing head 5, the surface of the installing head 5 is provided with a jack 6, a guide rod 7 is inserted in the jack 6 in a sliding way, the bottom end of the guide rod 7 is fixedly connected with a convex card 8, the top end of the guide rod 7 is fixedly connected with a curved ring disc 9 matched with the air passage 4 and the radar terminal 1, the surface of the guide rod 7 is movably sleeved with a tension spring 10, two ends of the tension spring 10 are respectively and fixedly connected with the installing head 5 and the curved ring disc 9, the tension spring 10 normally pulls the curved ring disc 9 to move downwards along the jack 6 through the guide rod 7, when the air flow sprayed upwards impacts the curved surface at the bottom of the curved ring disc 9, the curved ring disc 9 is pushed to move upwards along the jack 6 through the guide rod 7 to push the top, at the moment, the air flow is guided inwards from the curved surface and is deflected to the top of the radar terminal 1, the inner side of the curved ring disc 9 is fixedly connected with bristles 11 matched with the radar terminal 1, and the micro-fan 3 is turned off, at this time, the tension spring 10 pulls the curved ring plate 9 and the guide rod 7 back due to lack of air flow restraint.
In this embodiment, as shown in fig. 1, 2 and 3, the upper and lower sides of the hoop 2 are respectively fixedly connected with the radar terminal 1 and the micro-fan 3 through screws, so that the overhaul personnel can conveniently disassemble and assemble the hoop.
In this embodiment, as shown in fig. 1, 2 and 3, the number of the air passages 4 is set to be a plurality and is distributed along the hoop 2 in an annular and equidistant manner, so that an annular air wall can be formed along the radar terminal 1.
In this embodiment, as shown in fig. 3, a metal filter plate matched with the micro-fan 3 is fixedly installed at the bottom of the hoop 2, and is used for filtering out impurities mixed in the air sucked by the micro-fan 3, so as to avoid blocking the air passage 4.
In this embodiment, as shown in fig. 1 and fig. 2, the number of the mounting heads 5 is three, and the three mounting heads 5 are equidistantly arranged along the surface of the hoop 2, so that compared with single-point support, it is more stable to perform triangular support and guiding from three points synchronously.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the mounting head 5, the hoop 2 and the curved annular plate 9 are all made of plastic steel material, which has excellent air tightness, water tightness, corrosion resistance and other properties, and is cheap, so that the overall use cost is greatly reduced.
The use method and the advantages of the utility model are as follows: this kind of vehicular laser radar is with clean structure at the during operation, the working process as follows:
as shown in fig. 1, 2 and 3, the device is firstly installed on a vehicle, then the micro-fan 3 is started to guide air from bottom to top, so that the air flow is ejected from the air passage 4, thereby forming an annular air wall to prevent external dust from adhering to the side wall of the radar terminal 1, and simultaneously, the upward ejected air flow impacts the curved surface at the bottom of the curved surface ring disc 9 to push the curved surface ring disc 9 to move upwards along the insertion hole 6 through the guide rod 7 to be placed on the top, at the moment, the air flow is guided to the inner side by the curved surface and is deflected to the top of the radar terminal 1, thereby combining with the side wall air wall to form a closed air hood, so that the whole surface of the radar terminal 1 is completely isolated from the outside by high-speed air flow, the possibility that the outside impurities pollute the surface is reduced, after the surface of the radar terminal 1 is polluted, the micro-fan 3 can be stopped, at the moment, due to lack of air flow constraint, the tension spring 10 pulls the curved surface ring disc 9 and the guide rod 7 back to move, in the process, the brush hair 11 at the inner ring of the brush hair scrapes on the surface of the radar terminal 1, so that the automatic cleaning process is realized.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a vehicular laser radar is with clean structure, includes radar terminal (1), its characterized in that: a hoop (2) is fixedly sleeved on the lower side of the surface of the radar terminal (1), a micro fan (3) is fixedly installed on the lower side of the inner wall of the hoop (2), and air passages (4) matched with the micro fan (3) are formed in the top and the inner side of the hoop (2);
embrace fixed surface of ring (2) and be connected with installation head (5), and jack (6) have been seted up on the surface of installation head (5), the inside sliding insertion of jack (6) has guide arm (7), the bottom fixedly connected with protruding card (8) of guide arm (7), the top fixedly connected with and air flue (4) and radar terminal (1) matched with curved surface ring dish (9) of guide arm (7), extension spring (10) have been cup jointed in the surface activity of guide arm (7), the both ends of extension spring (10) respectively with installation head (5) and curved surface ring dish (9) fixed connection, and the inboard fixedly connected with of curved surface ring dish (9) and radar terminal (1) matched with brush hair (11).
2. The cleaning structure for the vehicle-mounted laser radar according to claim 1, characterized in that: the upper side and the lower side of the hoop (2) are fixedly connected with the radar terminal (1) and the micro fan (3) through screws respectively.
3. The cleaning structure for the vehicle-mounted laser radar according to claim 1, characterized in that: the number of the air passages (4) is set to be a plurality of and is distributed in an annular and equidistant mode along the embracing ring (2).
4. The cleaning structure for the vehicle-mounted laser radar according to claim 1, characterized in that: and a metal filter plate matched with the micro fan (3) is fixedly arranged at the bottom of the embracing ring (2).
5. The cleaning structure for the vehicle-mounted laser radar according to claim 1, characterized in that: the number of the mounting heads (5) is three, and the three mounting heads (5) are arranged along the surface of the hoop (2) at equal intervals.
6. The cleaning structure for the vehicle-mounted laser radar according to claim 1, characterized in that: the mounting head (5), the embracing ring (2) and the curved surface ring plate (9) are all made of plastic steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122435677.6U CN216052198U (en) | 2021-10-09 | 2021-10-09 | Cleaning structure for vehicle-mounted laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122435677.6U CN216052198U (en) | 2021-10-09 | 2021-10-09 | Cleaning structure for vehicle-mounted laser radar |
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| Publication Number | Publication Date |
|---|---|
| CN216052198U true CN216052198U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122435677.6U Active CN216052198U (en) | 2021-10-09 | 2021-10-09 | Cleaning structure for vehicle-mounted laser radar |
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| CN (1) | CN216052198U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558835A (en) * | 2022-04-02 | 2022-05-31 | 广东嘉元科技股份有限公司 | Automatic cleaning device for external crystallization of nozzle for copper foil washing process |
| CN114749413A (en) * | 2022-06-14 | 2022-07-15 | 之江实验室 | Vehicle-mounted optical sensor cleaning device |
| CN116351749A (en) * | 2023-04-07 | 2023-06-30 | 合肥固泰自动化有限公司 | Automatic loading vehicle contour detection device capable of automatically removing dust |
-
2021
- 2021-10-09 CN CN202122435677.6U patent/CN216052198U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558835A (en) * | 2022-04-02 | 2022-05-31 | 广东嘉元科技股份有限公司 | Automatic cleaning device for external crystallization of nozzle for copper foil washing process |
| CN114558835B (en) * | 2022-04-02 | 2022-09-20 | 广东嘉元科技股份有限公司 | Automatic cleaning device for external crystallization of nozzle for copper foil washing process |
| CN114749413A (en) * | 2022-06-14 | 2022-07-15 | 之江实验室 | Vehicle-mounted optical sensor cleaning device |
| CN116351749A (en) * | 2023-04-07 | 2023-06-30 | 合肥固泰自动化有限公司 | Automatic loading vehicle contour detection device capable of automatically removing dust |
| CN116351749B (en) * | 2023-04-07 | 2024-05-24 | 合肥固泰自动化有限公司 | Automatic loading vehicle contour detection device capable of automatically removing dust |
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