CN218068280U

CN218068280U - Laser radar surface pollution test auxiliary assembly

Info

Publication number: CN218068280U
Application number: CN202221428110.4U
Authority: CN
Inventors: 黄佳伟
Original assignee: International Network Technology Shanghai Co Ltd
Current assignee: International Network Technology Shanghai Co Ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-12-16
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to the technical field of automatic driving, and provides a laser radar surface pollution test auxiliary assembly, which comprises a liquid conveying mechanism and a spray pipe, wherein the liquid conveying mechanism comprises a pipe body and a power piece, the pipe body is provided with an accommodating space, and one end of the power piece is arranged in the accommodating space in a penetrating way; the spray pipe comprises an input end and a spraying end, the input end is connected with the pipe body and communicated with the accommodating space, the spraying end faces the surface of the laser radar to be detected, and the power piece is used for pushing the pollution test liquid placed in the accommodating space to be sprayed to the surface of the laser radar to be detected through the spraying end. Through the mode, in the running process of the vehicle, the spray pipe can be used for spraying the pollution test liquid towards the surface of the laser radar through the liquid conveying mechanism, the pollution test liquid can be sprayed according to the amount of external pollutants under different working conditions, and then the cleaning effect of the self-cleaning equipment of the vehicle can be tested under different working conditions.

Description

Laser radar surface pollution test auxiliary assembly

Technical Field

The utility model relates to an automatic driving technical field especially relates to a laser radar surface pollution tests auxiliary assembly.

Background

The field of automatic driving is rapidly developed at present, a large number of sensors are required to be installed on a vehicle, wherein, the laser radar is used as a naked sensor, and the performance and even the automatic driving performance of the vehicle are declined because the outer surface is easily polluted due to different habits and using environments of vehicle users.

At present, self-cleaning equipment is arranged on the periphery of the laser radar, but the cleaning capacity of the laser radar cannot be detected in a testing stage, so that the use state and the effect of the self-cleaning equipment cannot be monitored.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a laser radar surface pollution tests auxiliary assembly for solve among the prior art can't carry out the technical problem monitored to the test condition of vehicle self-cleaning equipment.

An embodiment of the utility model provides a laser radar surface pollution tests auxiliary assembly, include: the liquid conveying mechanism comprises a pipe body and a power piece, wherein the pipe body is provided with an accommodating space, and one end of the power piece penetrates through the accommodating space;

the spray pipe comprises an input end and a spraying end, the input end is connected with the pipe body and communicated with the accommodating space, the spraying end faces the surface of the laser radar to be detected, and the power piece is used for pushing the pollution test liquid placed in the accommodating space to be sprayed to the surface of the laser radar to be detected through the spraying end.

According to the utility model discloses a laser radar surface contamination test auxiliary assembly of embodiment, the spray tube includes connecting element and at least one conveying unit, be equipped with multidirectional connector between connecting element and the conveying unit, multidirectional connector includes at least two ports, communicate each other between the port, connecting element one end is connected with the body, the other end with one of them the port of multidirectional connector is connected;

one end of the conveying unit is connected with one port of the multi-directional connector, and the other end of the conveying unit faces to the surface of the laser radar to be detected.

According to the utility model discloses a laser radar surface pollution tests auxiliary assembly, the linkage unit with the conveying unit with multidirectional connector can dismantle the connection.

According to the utility model discloses a laser radar surface contamination test auxiliary assembly, the spray tube is the rubber tube, the connecting element with the conveying unit is located through inserting the port with multidirectional connector connects.

According to the utility model discloses a laser radar surface pollution tests auxiliary assembly, still be equipped with the velocity of flow regulator on the conveying unit for adjust the velocity of flow through liquid.

According to the utility model discloses a laser radar surface pollution tests auxiliary assembly, the velocity of flow regulator is the velocity of flow attenuator.

According to the utility model discloses a laser radar surface pollution tests auxiliary assembly, still be equipped with the locating part on the conveying unit, it is right to be used for the position of spraying end is injectd.

According to the utility model discloses a laser radar surface pollution tests auxiliary assembly, the locating part is the magic subsides.

According to the utility model discloses a laser radar surface pollution tests auxiliary assembly, the power spare with the cooperation end of body is equipped with sealed cushion, the power spare is followed when body axis direction removes, sealed cushion's week side with the inner wall butt of accommodation space.

According to the utility model discloses a laser radar surface pollution tests auxiliary assembly still includes the driving piece, the output of driving piece with the power spare is connected, is used for promoting the power spare is followed body axis direction removes.

The embodiment of the utility model provides a laser radar surface pollution tests auxiliary assembly, in the vehicle driving process, can utilize the spray tube to spray towards laser radar surface through liquid conveying mechanism and pollute test liquid, can spray according to what of external pollutant under the operating mode of difference, for example when the simulation pollutant is many, alright some with spraying more, can spray less when the pollutant is few, the operating mode of the different volume pollutants that the simulation vehicle actually met, then alright in order to test the clean effect of vehicle self-cleaning equipment under different operating modes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the auxiliary device for laser radar surface contamination testing of the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of the lidar surface contamination testing auxiliary apparatus of the present invention;

reference numerals:

10. a liquid delivery mechanism; 110. a pipe body; 1110. an accommodating space; 120. a power member; 130. sealing the rubber gasket;

20. a nozzle; 210. an input end; 220. spraying the end; 230. a connection unit; 240. a conveying unit; 2410. a flow rate regulator; 2420. a stopper; 250. a multi-directional connector; 260. a port;

30. a drive member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a laser radar surface contamination test auxiliary device, including a liquid conveying mechanism 10 and a spray pipe 20, where the liquid conveying mechanism 10 includes a pipe body 110 and a power component 120, the pipe body 110 is provided with an accommodating space 1110, and one end of the power component 120 is inserted into the accommodating space 1110; the spraying pipe 20 comprises an input end 210 and a spraying end 220, the input end 210 is connected with the pipe body 110 and communicated with the accommodating space 1110, the spraying end 220 faces the surface of the laser radar to be detected, and the power piece 120 is used for pushing the pollution test liquid placed in the accommodating space 1110 to be sprayed to the surface of the laser radar to be detected through the spraying end 220.

Liquid conveying mechanism 10 can carry out contaminated implantation to the lidar outside the car in the car, and during the test, the staff need not remove to the car again, has improved work efficiency. The liquid conveying mechanism 10 can spray pollution test liquid to the surface of the laser radar to be detected through the spray pipe 20, so that the pollution condition of the laser radar is simulated when the vehicle is in different working conditions. Moreover, the pollution test liquid can be sprayed when the vehicle is static or can be sprayed when the vehicle is in motion so as to approach different working conditions of the simulated vehicle, and then the cleaning effect of the self-cleaning equipment can be monitored under different working conditions.

That is, cooperation self-cleaning equipment, vehicle are in the motion process, and different pollution degree, different pollution position and different pollution speed all can carry out the simulation test to the influence of laser radar's performance, simple structure, and the dismouting is convenient, has improved the efficiency and the quality of test greatly, and the cost is lower.

Specifically, the nozzle 20 includes a connection unit 230 and at least one delivery unit 240, a multi-directional connector 250 is disposed between the connection unit 230 and the delivery unit 240, the multi-directional connector 250 includes at least two ports 260, the ports 260 are communicated with each other, one end of the connection unit 230 is connected to the tube body 110, and the other end is connected to one of the ports 260 of the multi-directional connector 250; the feeding unit 240 is connected to one of the ports 260 of the multi-directional connector 250 at one end and faces the lidar surface to be detected at the other end.

It should be noted that the number of the connecting units 230 is one, and the number of the conveying units 240 may be one, or may also be two, three, and the like, which is based on the number of the tested lidar, and is not limited herein. Since the number of the laser radars on the vehicle is generally three, three are described as an example, but the present invention is not limited thereto.

When there are three lidar units, the number of the delivery units 240 corresponds to three, and the multi-directional connector 250 has four ports 260, one of which is used for connecting the connection unit 230, and the other three of which are respectively connected to three delivery units 240. The spraying ends 220 of the three conveying units 240 face the laser radars at the corresponding positions, so that the contamination testing liquid conveyed by the power member 120 can be sprayed to the laser radars at different positions under the action of the multi-directional connector 250.

In some embodiments of the present invention, the connection unit 230 and the delivery unit 240 are detachably connected to the multi-directional connector 250.

Specifically, the nozzle 20 is a hose, and the connection unit 230 and the delivery unit 240 are connected to the multi-directional connector 250 by being inserted into the port 260.

In the using process, the end part of the rubber tube is inserted into the port 260 of the multi-way connector 250, and when the rubber tube needs to be detached, the rubber tube is directly and forcibly detached. Alternatively, in some other embodiments, a connecting rope may be further used to fixedly connect the multi-directional connector 250 and the hose, or a connecting member such as an adhesive tape may be used to connect the connecting end of the nozzle 20 and the multi-directional connector 250, which is not limited herein.

In some embodiments of the present invention, a flow rate regulator 2410 is further disposed on the conveying unit 240 for regulating the flow rate of the liquid.

Specifically, the flow-rate regulator 2410 is a flow-rate damper. That is, can each velocity of flow attenuator by the manual work, and then the volume of the pollutant that sprays on laser radar per unit time is also different, so alright with the cleaning performance that cleaning equipment was down corresponded in simulation laser radar last pollutant of different volume. For example, the proportion of the pollutants that will be infected with under the same operating mode on the lidar of the vehicle left and right sides will be greater than the lidar of vehicle front end, so when testing, can heighten the velocity of flow of the conveying unit 240 towards the vehicle left and right sides to make the pollution test liquid that the lidar of the left and right sides received more, in order to more to be close to actual conditions.

For the fixation of the conveying unit 240, a limiting member 2420 may be provided on the conveying unit 240 to limit the position of the spraying end 220.

Specifically, the limiting part 2420 may be a hook and loop fastener. Alternatively, other limiting members 2420 may be used to limit the position of the spraying end 220, such as a hook and loop fastener, a magnetic member, etc., which is not limited herein. The limiting part 2420 can limit the orientation of the spraying end 220, so as to avoid the pollution of the testing solution to other positions and waste.

In some embodiments of the present invention, the mating end of the power member 120 and the pipe body 110 is provided with a sealing rubber pad 130, and when the power member 120 moves along the axial direction of the pipe body 110, the peripheral side of the sealing rubber pad 130 abuts against the inner wall of the accommodating space 1110.

That is, when the power member 120 moves along the axial direction of the tube 110, the liquid in the accommodating chamber is squeezed and moves toward the end of the nozzle 20, so that the liquid in the accommodating chamber can be directionally conveyed.

Further, the end of the power member 120 away from the tube 110 is further provided with a driving member 30, and an output end of the driving member 30 is connected to the power member 120 for pushing the power member 120 to move along the axial direction of the tube 110.

The drive 30 is provided in order to enable a metered delivery of the contamination test liquid, i.e. the vehicle can be continuously sprayed on the laser radar surface by means of the drive 30 during driving.

Specifically, the driving member 30 may be a hydraulic cylinder, a linear motor, etc., and is not limited thereto.

In embodiments of the invention, unless expressly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A lidar surface contamination test auxiliary assembly, comprising:

the liquid conveying mechanism comprises a pipe body and a power piece, wherein the pipe body is provided with an accommodating space, and one end of the power piece penetrates through the accommodating space;

2. The lidar surface contamination test auxiliary device of claim 1, wherein the nozzle comprises a connecting unit and at least one conveying unit, a multi-directional connector is arranged between the connecting unit and the conveying unit, the multi-directional connector comprises at least two ports, the ports are communicated with each other, one end of the connecting unit is connected with the pipe body, and the other end of the connecting unit is connected with one of the ports of the multi-directional connector;

3. The lidar surface contamination test assistance apparatus of claim 2, wherein the connection unit and the delivery unit are detachably connected to the multi-directional connector.

4. The lidar surface contamination test assistance apparatus of claim 2, wherein the nozzle is a hose, and the connection unit and the delivery unit are connected to the multi-directional connector by being inserted into the port.

5. The lidar surface contamination test assistance apparatus of claim 2, wherein the delivery unit is further provided with a flow rate regulator for regulating a flow rate of the liquid therethrough.

6. The lidar surface contamination test assistance apparatus of claim 5, wherein the flow rate regulator is a flow rate damper.

7. The lidar surface contamination test auxiliary apparatus according to claim 2, wherein a limiting member is further provided on the conveying unit for limiting a position of the spraying end.

8. The lidar surface contamination test assistance apparatus of claim 7, wherein the stopper is a velcro tape.

9. The lidar surface contamination test auxiliary device according to claim 1, wherein a sealing rubber pad is arranged at a mating end of the power member and the pipe body, and when the power member moves along an axial direction of the pipe body, a peripheral side surface of the sealing rubber pad abuts against an inner wall of the accommodating space.

10. The lidar surface contamination test auxiliary apparatus according to claim 1, further comprising a driving member, wherein an output end of the driving member is connected to the power member for driving the power member to move along the axis direction of the pipe body.