CN213580108U

CN213580108U - Rain test device for automatic driving vehicle

Info

Publication number: CN213580108U
Application number: CN202022939636.6U
Authority: CN
Inventors: 谭永岗; 王远远; 刘备备; 彭剑; 王青海
Original assignee: SAIC Motor Corp Ltd
Current assignee: SAIC Motor Corp Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-06-29
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses an automatic drive rain test device of vehicle, rain test device sets up on the automobile body, including power supply unit, water storage device, the pump body, hydraulic pipeline, nozzle and the quilt measuring sensor who corresponds with the nozzle, water storage device and nozzle are connected at the both ends of hydraulic pipeline, and the pump body is installed on hydraulic pipeline. The pump body and the detected sensor are electrically connected with the power supply device. Because this rain test device is whole to be installed on the automobile body, rain test device begins work and can carry out the rain test of autopilot vehicle, does not receive autopilot vehicle driving environment influence, consequently, the rain test device that this application provided has improved autopilot vehicle's rainy day scene test efficiency.

Description

Rain test device for automatic driving vehicle

Technical Field

The utility model relates to an automobile drenches experimental technical field, in particular to automatic drive rain test device of vehicle.

Background

With the development of the automatic driving technology, all-weather testing of the automatic driving vehicle is required, wherein the rainy scene testing is an important component of all-weather testing of the automatic driving vehicle.

At present, the rainy day scene test of the automatic driving vehicle is mainly carried out on a rainy road in a test field, the rainy road is limited by conditions such as length, field and the like, the rainwater test can be carried out only after the automatic driving vehicle enters the test field or rains, the requirement of the automatic driving vehicle on the real-time rainy day scene test cannot be completely met, and the rainy day scene test efficiency is lower.

Therefore, how to improve the efficiency of the rainy scene test is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic rain test device of driving vehicle to improve the rainy day scene test efficiency of driving vehicle automatically.

In order to achieve the above object, the utility model provides an automatic rain test device of driving vehicle, rain test device sets up on the automobile body, including power supply unit, water storage device, the pump body, hydraulic pipeline, nozzle and with the nozzle corresponds by the survey sensor, the both ends of hydraulic pipeline are connected water storage device with the nozzle, the pump body is installed on the hydraulic pipeline, the pump body with by survey the sensor all with the power supply unit electricity is connected.

Preferably, the water conveying pipeline comprises a water conveying main pipe and water conveying branch pipes, the water conveying main pipe is connected with the water storage device through a water inlet, the water conveying branch pipes are connected with the water outlets of the water conveying main pipe, the nozzles are installed at the water outlets of the water conveying branch pipes, the pump body is installed on the water conveying main pipe, the nozzles are multiple, and the nozzles correspond to the water conveying branch pipes one to one.

Preferably, a water flow control valve for controlling the flow rate is arranged on the water conveying branch pipe and/or the water conveying main pipe.

Preferably, the water flow control device further comprises a control device for adjusting the flow of the water flow control valve and the operation of the pump body.

Preferably, two ends of the water conveying main pipe are respectively connected with the water storage device and the water conveying branch pipes through water conveying hoses.

Preferably, the water delivery branch pipe is adsorbed on the vehicle body through a magnetic base.

Preferably, the plurality of nozzles are a first nozzle for spraying water to a front windshield of the vehicle body, a second nozzle for spraying water to a left mirror of the vehicle body, and a third nozzle for spraying water to a right mirror of the vehicle body.

Preferably, the plurality of sensors to be measured are respectively a first sensor to be measured corresponding to the first nozzle, a second sensor to be measured corresponding to the second nozzle, and a third sensor to be measured corresponding to the third nozzle, the first sensor to be measured is located in a cab of the vehicle body, the second sensor to be measured is located at the bottom end of the left rear view mirror, and the third sensor to be measured is located at the bottom end of the right rear view mirror.

Preferably, the water storage device is mounted on the top of the vehicle body.

Preferably, the nozzle is a conical nozzle with an adjustable water outlet angle.

In the technical scheme, the utility model provides an automatic rain test device of driving vehicle, rain test device sets up on the automobile body, including power supply unit, water storage device, the pump body, hydraulic pipeline, nozzle and the quilt survey sensor that corresponds with the nozzle, water storage device and nozzle are connected at the both ends of hydraulic pipeline. The pump body and the detected sensor are electrically connected with the power supply device. When the rain test is needed, the automatic driving vehicle is in the running process, water in the water storage device is conveyed to the position of the nozzle through the water conveying pipeline by the pump body, and the nozzle sprays the water onto the vehicle body, so that the rain test is simulated.

It can be known through the above description that in the rain test device that this application provided, because this rain test device is whole to be installed on the automobile body, the rain test device begins work promptly and can carry out the rain test of autopilot vehicle, does not receive autopilot vehicle driving environment influence, consequently, the rain test device that this application provided has improved autopilot vehicle's rainy day scene test efficiency.

Drawings

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

Fig. 1 is a side view of a rain test apparatus provided in an embodiment of the present invention;

fig. 2 is a front view of the rain test device provided in the embodiment of the present invention.

Wherein in FIGS. 1-2: 1-a first magnetic base, 2-a second nozzle, 3-the first nozzle, 4-a water delivery hose, 5-a water flow control valve, 6-a first measured sensor, 7-a second measured sensor, 8-a second magnetic base, 9-a pump body, 10-a water storage device and 11-a third nozzle.

Detailed Description

The core of the utility model is to provide a rain test device of automatic driving vehicle to improve the rainy day scene test efficiency of automatic driving vehicle.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2.

In a specific implementation manner, the utility model discloses the rain test device of automatic driving vehicle that specific embodiment provided, rain test device sets up on the automobile body, including power supply unit, water storage device 10, the pump body 9, hydraulic pipeline, nozzle and the surveyed sensor that corresponds with the nozzle. The specific pump body 9 can be an axial flow pump, and the pump body 9 is installed on a water conveying pipeline. The water conveying pipeline can be fixedly connected to the vehicle body through a fastener. Specifically, the pump body 9 may be connected to the water storage device 10 through a water hose. The power supply device can be a power supply system of the vehicle body.

The water storage device 10 can be installed inside the vehicle body, and for the convenience of water filling, preferably, the water storage device 10 is installed on the top of the vehicle body, and specifically, the pump body 9 can also be installed on the top of the vehicle body. Meanwhile, the water storage device 10 is preferably located at the top end of the deluge testing device, so that water can flow to the nozzle conveniently. Specifically, the nozzle is mounted adjacent to the sensor being measured.

The two ends of the water conveying pipeline are connected with the water storage device 10 and the nozzle. The pump body 9 and the sensor to be detected are electrically connected with a power supply device.

In order to facilitate the water outlet position of the nozzle, the nozzle is preferably a conical nozzle with an adjustable water outlet angle.

When a rain test is required, the automatic driving vehicle is in the running process, the pump body 9 conveys water in the water storage device 10 to the position of the nozzle through the water conveying pipeline, and the nozzle sprays the water onto the vehicle body so as to simulate rain.

It can be known from the above description that, in the rain test device provided in the embodiment of the present application, because the rain test device is integrally installed on the vehicle body, that is, the rain test device starts to work to perform the rain test of the autonomous vehicle, and is not affected by the driving environment of the autonomous vehicle, the rain test device provided in the present application improves the rain scene test efficiency of the autonomous vehicle.

In a specific embodiment, the water delivery pipeline includes a water delivery main pipe with a water inlet connected with the water storage device 10 and a water delivery branch pipe connected with a water outlet of the water delivery main pipe, the nozzles are installed at water outlets of the water delivery branch pipes, the pump body 9 is installed on the water delivery main pipe, the nozzles are multiple, and the nozzles correspond to the water delivery branch pipes one to one. Specifically, the nozzles preferably correspond to the sensors to be tested one to one, and of course, one nozzle may correspond to a plurality of sensors to be tested.

Preferably, the water delivery branch pipes and/or the water delivery main pipe are provided with water flow control valves 5 for controlling the flow rate. Specifically, each water delivery branch is preferably provided with a water flow control valve 5 for controlling the flow rate, so that the water output of each nozzle can be independently adjusted. When the flow control valve 5 is provided in the water delivery manifold, the overall water output can be controlled by one flow control valve 5.

In one embodiment, the rain test device for the automatic driving vehicle further comprises a control device for regulating the flow of the water flow control valve 5 and the operation of the pump body 9.

The two ends of the water delivery main pipe are respectively connected with the water storage device 10 and the water delivery branch pipe through the water delivery hose 4. In particular, the water flow control valve 5 may be mounted on the water delivery hose 4 at the outlet of the water delivery manifold.

Of course, the water delivery branch pipe may also be a water delivery hose in a particular use.

Specifically, the water conveying pipeline is adsorbed on the vehicle body through the magnetic base. Because the automobile body is the iron structure usually, adsorb on the automobile body through magnetic base, avoid punching on the automobile body and carry out the condition of water delivery branch pipe installation.

In one embodiment, the plurality of nozzles are a first nozzle 3 for spraying water to a front windshield of the vehicle body, a second nozzle 2 for spraying water to a left mirror of the vehicle body, and a third nozzle 11 for spraying water to a right mirror of the vehicle body. Specifically, the number of the first nozzles 3, the second nozzles 2, and the third nozzles 11 is not limited to one, and two or more nozzles may be provided according to actual needs. Wherein the water delivery branch pipes correspondingly connected with the first nozzle 3 and the third nozzle 11 are respectively installed on the vehicle body through the first magnetic base 1, and the water delivery main pipe is installed on the vehicle body through the second magnetic base 8.

Specifically, the plurality of sensors to be measured are respectively a first sensor to be measured 6 corresponding to the first nozzle 3, a second sensor to be measured 7 corresponding to the second nozzle 2, and a third sensor to be measured corresponding to the third nozzle 11, the first sensor to be measured 6 is located in a cab of the vehicle body, the second sensor to be measured 7 is located at the bottom end of the left rear-view mirror, and the third sensor to be measured is located at the bottom end of the right rear-view mirror.

When in use, the water storage device 10 is filled with water; the conical nozzle is arranged near the sensor to be detected through a magnetic base; after the automatic driving vehicle is powered on, the power is supplied to the rain test device; the tester sets up precipitation, sprays the shape, precipitation time to and the automatic instruction of opening and close according to the test demand through setting up precipitation in the controller, and corresponding rainfall and time are provided according to the rainy day test scene of the vehicle under test to the rain test device. The water in the water storage device 10 is connected with the pump body 9 through a water delivery hose and is delivered to the water spray nozzle to form raindrops. The rainfall and the change of the rainfall are controlled by the control device to control the pump.

The application provides a rain test device can effectively carry out rain simulation test to the autopilot vehicle, and is with low costs, has good water conservation performance, and is portable and easy installation. The method is not limited by a test site, and linkage tests of other automatic driving scenes can be carried out while a rain test is carried out. The automatic simulation of various complex rainy scenes can be realized through the control device, and then the performance test of the rainy scenes can be conveniently, accurately and efficiently carried out on the automatic driving vehicle.

The embodiments in the present description 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.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The rain test device for the automatic driving vehicle is characterized by being arranged on a vehicle body and comprising a power supply device, a water storage device (10), a pump body (9), a water conveying pipeline, a nozzle and a tested sensor corresponding to the nozzle, wherein the two ends of the water conveying pipeline are connected with the water storage device (10) and the nozzle, the pump body (9) is installed on the water conveying pipeline, and the pump body (9) and the tested sensor are electrically connected with the power supply device.

2. The rain test device for the autonomous vehicle as claimed in claim 1, wherein the water delivery pipeline comprises a water delivery main pipe having a water inlet connected to the water storage device (10) and a water delivery branch pipe connected to a water outlet of the water delivery main pipe, the plurality of nozzles are installed at water outlets of the water delivery branch pipes, the pump bodies (9) are installed on the water delivery main pipe, and the plurality of nozzles correspond to the water delivery branch pipes one to one.

3. A rain test device for autonomous vehicles according to claim 2, characterized in that said water delivery branch and/or said water delivery main are provided with water flow control valves (5) for controlling the flow rate.

4. A rain test device for autonomous vehicles according to claim 3, characterized by further comprising control means for regulating the flow rate of said water flow control valve (5) and the operation of said pump body (9).

5. A rain test device for autonomous vehicles according to claim 2, characterized in that both ends of the water main are connected to the water storage means (10) and the water delivery branch pipes through water delivery hoses (4), respectively.

6. The rain test device for the autonomous vehicle as claimed in claim 2, wherein the water pipe is attached to the vehicle body by a magnetic base.

7. The rain test apparatus for an autonomous vehicle according to claim 2, wherein the plurality of nozzles are a first nozzle (3) for spraying water to a front windshield of the vehicle body, a second nozzle (2) for spraying water to a left mirror of the vehicle body, and a third nozzle (11) for spraying water to a right mirror of the vehicle body.

8. A rain test device for an autonomous vehicle according to claim 7, characterized in that the plurality of sensors to be tested are respectively a first sensor to be tested (6) corresponding to the first nozzle (3), a second sensor to be tested (7) corresponding to the second nozzle (2) and a third sensor to be tested corresponding to the third nozzle (11), the first sensor to be tested (6) being located in the cab of the vehicle body, the second sensor to be tested (7) being located at the bottom end of the left rear view mirror and the third sensor to be tested being located at the bottom end of the right rear view mirror.

9. A rain test device for autonomous vehicles according to claim 1, characterized in that the water storage means (10) is mounted on the top of the vehicle body.

10. A rain test apparatus for autonomous vehicles according to any of claims 1-9, characterized in that the nozzle is a cone nozzle with adjustable water outlet angle.