CN214396689U - Cleaning device for automobile laser radar - Google Patents
Cleaning device for automobile laser radar Download PDFInfo
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- CN214396689U CN214396689U CN202022981760.9U CN202022981760U CN214396689U CN 214396689 U CN214396689 U CN 214396689U CN 202022981760 U CN202022981760 U CN 202022981760U CN 214396689 U CN214396689 U CN 214396689U
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- laser radar
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Abstract
An embodiment of the utility model provides a car laser radar's cleaning device, include: the laser radar device comprises a laser radar body and a cleaning assembly; the cleaning assembly comprises a lower base arranged below the laser radar body and an upper base arranged above the laser radar body, the lower base is arranged on one side of the laser radar body connected with the cleaning liquid pipeline surrounding the laser radar body, a plurality of cleaning spray heads are arranged on the cleaning liquid pipeline, the upper base is arranged on one side of the laser radar body connected with the gas pipeline, and a plurality of gas spray heads are arranged on the gas pipeline. Thereby can wash the laser radar body through washing shower nozzle blowout washing liquid, can also dry the last remaining washing liquid of laser radar through gas nozzle blowout air after the washing is accomplished, clean effectual, avoided laser radar to lead to the misjudgement to appear in the autopilot system because of the precision reduces, ensured passenger's personal safety.
Description
Technical Field
The utility model relates to an automobile radar field especially relates to an automobile laser radar's cleaning device.
Background
With the rapid development of the automatic driving technology, all manufacturers actively distribute the automatic driving technology, the technical routes of different manufacturers are different, but a plurality of high-precision sensors need to be arranged for realizing the high-level automatic driving technology, wherein the laser radar is indispensable, but for the precise sensor of the laser radar, the precise sensor needs to be exposed outside and can normally work without shielding, but in actual use, due to the ash layer in the air, the sludge in the rain weather, the winged insect and the like are easily attached to the transparent mirror of the laser radar, so that the working precision of the laser radar is greatly reduced, the precise three-dimensional map and perception road conditions are influenced, the automatic driving system is influenced to make correct judgment, the false detection is easy to generate, the automatic driving automobile generates traffic accidents, and the personal safety of passengers is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, embodiments of the present invention are proposed in order to provide a cleaning device for an automotive lidar that overcomes or at least partially solves the above-mentioned problems.
In order to solve the problem, the embodiment of the utility model discloses car laser radar's cleaning device, include: the laser radar device comprises a laser radar body and a cleaning assembly;
the cleaning assembly comprises a lower base arranged below the laser radar body and an upper base arranged above the laser radar body, the lower base is arranged on one side of the laser radar body connected with the cleaning liquid pipeline surrounding the laser radar body, a plurality of cleaning spray heads are arranged on the cleaning liquid pipeline, the upper base is arranged on one side of the laser radar body connected with the gas pipeline, and a plurality of gas spray heads are arranged on the gas pipeline.
Preferably, the cleaning device further comprises a control component, wherein the control component is electrically connected with the laser radar body and used for starting the cleaning component when receiving a signal sent by the laser radar body.
Preferably, the laser radar body is configured to send the start signal to the control component when an obstacle with a distance smaller than a preset threshold value is detected.
Preferably, the nozzle of the cleaning spray head is inclined towards the surface of the laser radar body, and the inclination angle is 15 degrees.
Preferably, the number of the cleaning nozzles is 8, and the spacing distance between every two adjacent cleaning nozzles is equal.
Preferably, the nozzle of the gas nozzle is inclined towards the surface of the laser radar body by 15 degrees.
Preferably, the number of the gas showers is 8, and the spacing distance between every two adjacent gas showers is equal.
Preferably, the cleaning device further comprises a high-pressure infusion pump, and the high-pressure infusion pump is connected with the cleaning solution pipeline.
Preferably, the cleaning device further comprises a high-pressure air pump, and the high-pressure air pump is connected with the air pipeline.
Preferably, the cleaning device further comprises a detection component, wherein the detection component is electrically connected with the control component and used for starting the control component when detecting that the automatic driving module of the vehicle is started and the vehicle does not enter the automatic driving state.
The embodiment of the utility model provides a include following advantage:
in the embodiment of the utility model, the cleaning device of the laser automobile laser radar comprises a laser radar body and a cleaning component, the cleaning component comprises a lower base arranged below the laser radar body and an upper base arranged above the laser radar body, a cleaning liquid pipeline surrounding the laser radar body is arranged on one side of the lower base connected with the laser radar body, a plurality of cleaning spray heads are arranged on the cleaning liquid pipeline, a gas pipeline is arranged on one side of the upper base connected with the laser radar body, a plurality of gas spray heads are arranged on the gas pipeline, so that the laser radar body can be cleaned by spraying cleaning liquid through the cleaning spray heads, the cleaning liquid remained on the laser radar can be dried by spraying air through the gas spray nozzles after the cleaning is finished, the cleaning effect is good, and the misjudgment of an autopilot system caused by the precision reduction of the laser radar is avoided, the personal safety of passengers is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a cleaning device for an automotive laser radar according to the present invention;
fig. 2 is a schematic structural view of a lower base of the cleaning device of the automotive laser radar of the present invention;
FIG. 3 is a top view of the cleaning device of the present invention;
fig. 4 is a cross-sectional view of a cleaning device of the laser radar of the present invention;
FIG. 5 is a schematic structural view of a lower base of another cleaning device for an automotive lidar according to the present invention;
fig. 6 is an application schematic diagram of the cleaning device of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
With reference to fig. 1, 2, 3 and 4, the structural schematic diagram of the cleaning device of the laser radar for automobiles of the present invention is shown, including: a laser radar body 1 and a cleaning assembly 2;
In the embodiment of the present invention, the lower base 201 is the same as the bottom of the laser radar body 1, and is circular, a cleaning liquid pipeline 3 arranged on the cleaning liquid pipeline surrounds the laser radar body 1, the cleaning liquid pipeline 3 is internally provided with cleaning liquid used for cleaning the laser radar body 1, when the laser radar body 1 is cleaned, the cleaning liquid is sprayed out through a plurality of cleaning nozzles 4 arranged on the cleaning liquid pipeline 3 to clean the laser radar body 1 in multiple directions, and the gas pipeline 5 arranged on the upper base 202 is internally provided with dry air for air drying, after the laser radar body 1 is cleaned, a plurality of gas nozzles 6 arranged on the gas pipeline 5 can spray dry air to dry the laser radar body, therefore, the laser radar body 1 is cleaned, the laser radar is kept clean, the laser radar precision is prevented from being reduced due to stains, and the automatic driving function of the vehicle is enabled to be wrong.
The utility model relates to a preferred embodiment, cleaning device still includes control assembly (not shown in the figure), control assembly with laser radar body 1 electric connection for when receiving the signal that laser radar body 1 sent, start clean subassembly 2.
Control assembly and 1 electric connection of laser radar body, in order to the energy can be saved, clean subassembly 2 normally keeps the off-state, and when the control assembly received the signal that laser radar body 1 sent, the control assembly started clean subassembly 2.
In the utility model relates to a preferred embodiment, laser radar body 1 is used for when detecting the barrier that the distance is less than preset threshold value, to control assembly sends the enabling signal.
The laser radar body 1 can detect the distance between the object and the vehicle, and the stain attached to the surface of the laser radar body 1 can be regarded as an obstacle, and the distance between the stain and the laser radar body 1 is the distance between the transparent mirror of the laser radar body 1 and the transmitter or the receiver of the laser radar body, so that the threshold value is set according to the distance, for example, the threshold value can be set slightly larger than the distance between the transparent mirror of the laser radar body 1 and the transmitter or the receiver of the laser radar body. When the laser radar body 1 detects an obstacle with a distance smaller than a preset threshold value, the surface of the laser radar body 1 can be considered to be stained, and cleaning is needed, so that a starting signal is sent to the control assembly.
In a preferred embodiment of the present invention, the nozzle of the cleaning nozzle 4 is inclined toward the surface of the laser radar body 1, and the inclination angle is 15 degrees.
In order to spray the cleaning liquid on the surface of the laser radar body 1, an angle is formed between the nozzle of the cleaning nozzle 4 and the laser radar body 1, and specifically, the angle may be 15 degrees.
As shown in fig. 5, in a preferred embodiment of the present invention, the number of the cleaning nozzles 4 is 8, and the distance between every two adjacent cleaning nozzles 4 is equal.
In order to improve the cleaning efficiency and the cleaning effect, the number of the cleaning nozzles 4 may be set to 8 based on the size of the laser radar body 1, and the interval distance between every two adjacent cleaning nozzles 4 is equal.
In a preferred embodiment of the present invention, the nozzle of the gas nozzle 6 is inclined toward the surface of the laser radar body 1, and the inclination angle is 15 degrees.
In order to spray the dry air to the surface of the laser radar body 1, the nozzle of the gas nozzle 6 is at an angle, specifically 15 degrees, with respect to the laser radar body 1.
In a preferred embodiment of the present invention, the number of the gas nozzles 6 is 8, and the distance between every two adjacent gas nozzles 6 is equal.
In order to improve the cleaning efficiency and the cleaning effect, the number of the gas nozzles 6 may be set to 8 based on the size of the laser radar body 1, the spacing distance between every two adjacent gas nozzles 6 is equal, and the specific distribution may refer to the distribution mode of the cleaning nozzles 4 shown in fig. 5.
In a preferred embodiment of the present invention, the cleaning device further comprises a high-pressure infusion pump (not shown in the figure), which is connected to the cleaning solution pipeline 3.
The high-pressure infusion pump is connected to the cleaning liquid line 3 and can deliver the high-pressure cleaning liquid to the cleaning liquid line 3 and eject the high-pressure cleaning liquid from the cleaning head 4.
In a preferred embodiment of the present invention, the cleaning device further comprises a high pressure air pump (not shown in the figure), which is connected to the gas pipeline 5.
The high-pressure air pump is connected with the air pipeline 5 and can convey high-pressure drying air to the air pipeline 5 and spray the high-pressure drying air out of the air nozzle 6.
In a preferred embodiment of the present invention, the cleaning device further includes a detection component (not shown in the figure), the detection component is electrically connected to the control component, and is configured to start the control component when the automatic driving module that detects the vehicle is opened and the vehicle does not enter the automatic driving state.
The laser radar is cleaned before the user uses the automatic driving function, namely, modules used for controlling various parameters of the vehicle in the automatic driving process, such as a speed control module and an automatic navigation module, of the vehicle are started, but the vehicle does not enter the automatic driving state, so that the vehicle enters the automatic driving state after the laser radar is cleaned, and the automatic driving of the vehicle keeps the precision. Therefore, the detection component can detect whether the automatic driving module of the vehicle is started or not, and when the automatic driving module is started and the vehicle does not enter the automatic driving state, the control component is started to control the cleaning component 2.
Referring to fig. 6, fig. 6 is a schematic diagram of an application of the cleaning device of the automotive lidar of the present invention, when the detection assembly detects that the autopilot module of the vehicle is turned on and the vehicle does not enter the autopilot state, starting the control component, when the distance of the laser radar detecting the obstacle is less than a preset threshold value, considering that stains or attachments exist on the surface of the light-transmitting mirror of the laser radar, a signal is sent to the control unit which sends a signal to activate the cleaning unit 2, the high pressure infusion pump supplies cleaning liquid to the cleaning unit 2, the high pressure air pump supplies high pressure dry air to the cleaning unit 2, therefore, whether stains or attachments appear on the surface of the laser radar is accurately detected, the laser radar is cleaned and dried, the precision of the laser radar is kept, misjudgment of an automatic vehicle driving system is avoided, and personal safety of passengers is guaranteed.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is made on the cleaning device for the automobile laser radar provided by the present invention, and the specific examples are applied herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A cleaning device for automotive lidar, comprising: the laser radar device comprises a laser radar body and a cleaning assembly;
the cleaning assembly comprises a lower base arranged below the laser radar body and an upper base arranged above the laser radar body, the lower base is arranged on one side of the laser radar body connected with the cleaning liquid pipeline surrounding the laser radar body, a plurality of cleaning spray heads are arranged on the cleaning liquid pipeline, the upper base is arranged on one side of the laser radar body connected with the gas pipeline, and a plurality of gas spray heads are arranged on the gas pipeline.
2. The cleaning device of claim 1, further comprising a control component electrically connected to the lidar body for activating the cleaning component upon receiving a signal transmitted by the lidar body.
3. The cleaning device of claim 2, wherein the lidar body is configured to send an activation signal to the control assembly upon detection of an obstacle having a distance less than a predetermined threshold.
4. The cleaning device of claim 1, 2 or 3, wherein the nozzles of the cleaning spray head are inclined towards the surface of the lidar body at an angle of 15 degrees.
5. The cleaning device as claimed in claim 4, wherein the number of the washing nozzles is 8, and the interval distance between every two adjacent washing nozzles is equal.
6. The cleaning apparatus according to claim 1, 2 or 3, wherein the nozzles of the gas shower head are inclined at an angle of 15 degrees to the surface of the lidar body.
7. The cleaning apparatus as claimed in claim 6, wherein the number of the gas showers is 8, and the spacing distance between every two adjacent gas showers is equal.
8. A cleaning device as claimed in claim 1, 2 or 3, characterized in that the cleaning device further comprises a high-pressure infusion pump which is connected to the rinsing liquid line.
9. A cleaning device according to claim 1, 2 or 3, further comprising a high pressure air pump connected to the air line.
10. The cleaning device of claim 2 or 3, further comprising a detection component electrically connected to the control component for activating the control component when the autopilot module of the vehicle is detected to be on and the vehicle does not enter an autopilot state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022981760.9U CN214396689U (en) | 2020-12-10 | 2020-12-10 | Cleaning device for automobile laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022981760.9U CN214396689U (en) | 2020-12-10 | 2020-12-10 | Cleaning device for automobile laser radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214396689U true CN214396689U (en) | 2021-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022981760.9U Active CN214396689U (en) | 2020-12-10 | 2020-12-10 | Cleaning device for automobile laser radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214396689U (en) |
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2020
- 2020-12-10 CN CN202022981760.9U patent/CN214396689U/en active Active
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