CN108051815B - Automobile provided with millimeter wave radar, and method and assembly for installing millimeter wave radar - Google Patents
Automobile provided with millimeter wave radar, and method and assembly for installing millimeter wave radar Download PDFInfo
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- CN108051815B CN108051815B CN201711282175.6A CN201711282175A CN108051815B CN 108051815 B CN108051815 B CN 108051815B CN 201711282175 A CN201711282175 A CN 201711282175A CN 108051815 B CN108051815 B CN 108051815B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 26
- ORMNNUPLFAPCFD-DVLYDCSHSA-M phenethicillin potassium Chemical compound [K+].N([C@@H]1C(N2[C@H](C(C)(C)S[C@@H]21)C([O-])=O)=O)C(=O)C(C)OC1=CC=CC=C1 ORMNNUPLFAPCFD-DVLYDCSHSA-M 0.000 description 18
- 238000010586 diagram Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93274—Sensor installation details on the side of the vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Mechanical Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses an automobile provided with a millimeter wave radar, a method and a component for installing the millimeter wave radar, wherein the method for installing the millimeter wave radar comprises the following steps: s100, turning a wheel to be parallel to the side surface of a vehicle body, mounting a first laser pen on a hub of the wheel, enabling laser emitted by the first laser pen to be parallel to the side surface of the vehicle body and horizontal to the ground, enabling the mounting position of the first laser pen to be equal to the mounting position of a millimeter wave radar, S200, mounting a second laser pen on the surface of the millimeter wave radar, enabling laser emitted by the second laser pen to be parallel to the surface of the millimeter wave radar and horizontal to the ground, and S300, adjusting the mounting angle of the millimeter wave radar until the included angle between the laser emitted by the second laser pen and the laser emitted by the first laser pen is 40-50 degrees.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to an automobile provided with a millimeter wave radar, and a method and a component for installing the millimeter wave radar.
Background
The millimeter wave radar is an important safety auxiliary accessory in an automobile, adopts the millimeter wave ranging principle, a sensor generates millimeter wave signals under the control of a controller, generates echo signals when encountering a relatively moving object, and after receiving the echo signals, the sensor performs data processing through the controller, judges the position of an obstacle, displays the distance and sends out other warning signals, thereby achieving the purpose of safe driving.
The ultrasonic wave is only used in reversing the car, and the detection distance is relatively close; the millimeter wave radar can be used in all directions in a running process, namely can be used in the advancing process, the retreating process and the turning process, so that the installation angle of the millimeter wave radar is a key technical problem in the using process.
Disclosure of Invention
The invention aims to provide an automobile provided with a millimeter wave radar, and a method and a component for installing the millimeter wave radar, which are convenient for the millimeter wave radar to be used in all directions in running.
The technical scheme provided by the invention is as follows: an automobile provided with a millimeter wave radar, wherein the included angle between the surface of the millimeter wave radar and the side surface of the automobile body is 40-50 degrees.
A millimeter wave radar installation method enables an included angle between the surface of the millimeter wave radar and the side face of a vehicle body to be 40-50 degrees.
The invention also discloses a millimeter wave radar installation method, which comprises the following steps:
s100, turning the wheel to be parallel to the side surface of the vehicle body, mounting a first laser pen on a hub of the wheel, enabling the emitted laser of the first laser pen to be parallel to the side surface of the vehicle body and horizontal to the ground, enabling the mounting position of the first laser pen to be equal to the mounting position of the millimeter wave radar,
s200, arranging a second laser pen on the surface of the millimeter wave radar, enabling the emitted laser of the second laser pen to be parallel to the surface of the millimeter wave radar and horizontal to the ground,
s300, adjusting the installation angle of the millimeter wave radar until the included angle between the laser emitted by the second laser pen and the laser emitted by the first laser pen is 40-50 degrees.
The invention also discloses another millimeter wave radar installation method, which comprises the following steps:
s100, a first laser pen is arranged on the side surface of the vehicle body, so that the emitted laser of the first laser pen is parallel to the side surface of the vehicle body and is horizontal to the ground, the installation position of the first laser pen is equal to the installation position of the millimeter wave radar,
s200, arranging a second laser pen on the surface of the millimeter wave radar, enabling the emitted laser of the second laser pen to be parallel to the surface of the millimeter wave radar and horizontal to the ground,
s300, adjusting the installation angle of the millimeter wave radar until the included angle between the laser emitted by the second laser pen and the laser emitted by the first laser pen is 40-50 degrees.
Further, in step S300, a flat plate is arranged at the intersection position of the laser emitted by the first laser pen and the laser emitted by the second laser pen, so that the laser emitted by the first laser pen and the laser emitted by the second laser pen are both displayed on the flat plate, and an included angle between the two lasers is measured by using an angle measuring device.
The invention also discloses a millimeter wave radar installation component, which is used for implementing the millimeter wave radar installation method, and comprises the following steps:
a first laser pen arranged on the side surface of the wheel hub or the vehicle body, wherein the emitted laser of the first laser pen is parallel to the side surface of the vehicle body and is horizontal to the ground, the mounting position of the first laser pen is equal to the mounting position of the millimeter wave radar in height, and,
the second laser pen is arranged on the surface of the millimeter wave radar, and the emitted laser of the second laser pen is parallel to the surface of the millimeter wave radar and is horizontal to the ground.
Further, the millimeter wave radar installation assembly further comprises a flat plate and an angle measuring device, wherein the flat plate is located at the intersection position of the laser emitted by the first laser pen and the laser emitted by the second laser pen, and the angle measuring device is used for measuring an included angle of the two lasers.
Further, the chuck comprises a first positioning rod, a second positioning rod, a third positioning rod and a sliding rod, wherein,
the first positioning rod, the second positioning rod and the third positioning rod are fixedly connected to form a Y-shaped structure, first positioning holes which are adapted to hubs with different sizes are arranged on the first positioning rod and the second positioning rod, a second positioning hole which is fixedly arranged on the hub and at least two third positioning holes which are used for installing the first laser pen are arranged on the sliding rod,
the sliding rod is arranged in the sliding groove in the third positioning rod in a sliding mode, and the second positioning hole and the third positioning hole are exposed.
Further preferably, the distance between the third positioning hole and the Y-shaped structure connecting point is smaller than the distance between the second positioning hole and the Y-shaped structure connecting point; wherein,
the sliding travel of the sliding rod enables the second positioning hole to extend out of the sliding groove, and a strip-shaped through hole is formed in the sliding groove so that the third positioning hole is exposed.
Specifically, a vertical level gauge is arranged on the chuck;
and/or;
the millimeter wave radar installation component is further provided with a planar clamp, and the second laser pen is arranged on the surface of the millimeter wave radar through the planar furniture.
The automobile provided by the invention, the method and the assembly for installing the millimeter wave radar have at least one of the following beneficial effects:
1. under the condition of 40-50 degrees relative to the side surface of the vehicle body, the millimeter wave radar can be used in all directions in running and has excellent use performance.
2. The installation angle which is easy to observe is formed by the light emitted by the laser pen, and the millimeter wave radar can be conveniently and rapidly installed to form an angle of 40-50 degrees with the side surface of the vehicle body.
Drawings
The above-mentioned features, technical features, advantages and implementation modes of the automobile equipped with millimeter wave radar and the method of installing millimeter wave radar, the assembly will be further described in a clear and understandable manner with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of an automobile equipped with a millimeter wave radar.
Fig. 2 is a diagram illustrating installation of a millimeter wave radar.
Fig. 3 is a schematic structural view of the chuck.
Fig. 4 is a graph showing the trend of the average value of the energy of the millimeter wave radar at different mounting angles.
Fig. 5 is a spontaneous self-energy-receiving distribution diagram when the millimeter wave radar makes an angle of 45 degrees with the vehicle body.
Fig. 6 is a graph of different angle energy trends when the millimeter wave radar makes a 45 degree angle with the vehicle body.
Fig. 7 is a simulated correct millimeter wave radar chart for a millimeter wave radar at 45 degrees to the vehicle body.
Fig. 8 is a diagram of a simulated erroneous millimeter wave radar when the millimeter wave radar makes an angle of 35 degrees with the vehicle body.
Reference numerals illustrate: 100. the laser device comprises a vehicle body side surface, 110, a millimeter wave radar, 200, a first laser pen, 300, a chuck, 310, a first positioning rod, 311, a first positioning hole, 320, a second positioning rod, 330, a third positioning rod, 340, a sliding rod, 341, a second positioning hole, 342, a third positioning hole, 343, a sliding chute, 350, a vertical level, 360, a threaded connector, 400, a flat plate, 500, a flat clamp, 600 and a second laser pen.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the present invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product.
Example 1
As shown in fig. 1, a millimeter wave radar is generally installed behind a vehicle, and an included angle between the surface of the millimeter wave radar and the side surface of the vehicle body is an installation angle of the millimeter wave radar, denoted by α in the figure, and an arrow indicates a region where the millimeter wave radar can radiate.
The magnitude of α is changed, the average value of the energy at the rear side of the millimeter wave radar at different installation angles α is measured, the data is shown in the following table, the trend of the change of the installation angle α and the average value of the energy at the rear side is shown in the graph form in fig. 4, the average value of the energy at the rear side is maximum at the installation angle of 45 ° and a high energy value is maintained at all times between 40 ° and 50 ° with reference to the following table and the graph shown in fig. 4.
Based on the experimental data, the included angle between the surface of the millimeter wave radar 110 and the side surface 100 of the vehicle body is 40-50 degrees, and the angle range can effectively monitor the approaching of the two-lane vehicle beside the vehicle and effectively monitor the separating of the two-lane vehicle beside the vehicle.
Most preferably, the installation angle of millimeter wave radar 110 is made 45 °. Fig. 5 is a graph of spontaneous self-receiving energy distribution when the millimeter wave radar is at an angle of 45 degrees to the vehicle body, and fig. 6 is a graph of energy trend at different angles when the millimeter wave radar is at an angle of 45 degrees to the vehicle body, so that the millimeter wave radar has excellent usability. Fig. 7 is a simulated correct millimeter wave radar chart when the millimeter wave radar is at an angle of 45 degrees to the vehicle body, and fig. 8 is a simulated incorrect millimeter wave radar chart when the millimeter wave radar is at an angle of 35 degrees to the vehicle body, and it can be seen that the millimeter wave radar performance at an installation angle of 35 degrees is better than that of the millimeter wave radar (fig. 8) at an angle of 45 degrees to the vehicle body.
Example two
As shown in fig. 2, this embodiment discloses a millimeter wave radar installation method, in which the surface of the millimeter wave radar 110 and the side surface 100 of the vehicle body have an included angle of 40 ° to 50 °. Illustratively, the method of installation includes the steps of:
s100, turning the wheel to be parallel to the side surface 100 of the car body, mounting the first laser pen 200 on the hub of the wheel, enabling the emitted laser of the first laser pen 200 to be parallel to the side surface 100 of the car body and horizontal to the ground, enabling the mounting position of the first laser pen 200 to be equal to the mounting position of the millimeter wave radar 110,
s200, arranging a second laser pen 600 on the surface of the millimeter wave radar 110, enabling the emitted laser of the second laser pen 600 to be parallel to the surface of the millimeter wave radar 110 and horizontal to the ground, enabling the emitted laser of the first laser pen 200 and the emitted laser of the second laser pen 600 to intersect in the same plane,
s300, adjusting the installation angle of the millimeter wave radar 110 until the included angle between the laser emitted by the second laser pen 600 and the laser emitted by the first laser pen 200 is 40-50 degrees.
The essence of the method is that the included angle between the surface of the millimeter wave radar 110 and the side surface 100 of the vehicle body is converted into the included angle between the two lasers, and then the included angle between the surface of the millimeter wave radar 110 and the side surface 100 of the vehicle body is controlled by adjusting the included angle between the two lasers.
Of course, based on the same principle, the first laser pen 200 may also be mounted directly on the vehicle body side 100.
Further preferably, in step S300, a flat plate 400 is disposed at the intersection position of the laser emitted by the first laser pen 200 and the laser emitted by the second laser pen 600, so that the laser emitted by the first laser pen 200 and the laser emitted by the second laser pen 600 are both presented on the flat plate 400, and an angle measuring device is used to measure the included angles of the two lasers.
Example III
Referring to fig. 2, the present embodiment also discloses a millimeter wave radar mounting assembly for implementing the millimeter wave radar mounting method as disclosed in the second embodiment, including a first laser pen 200 and a second laser pen 600.
The first laser pen 200 is mounted on the hub of the wheel or the side surface 100 of the vehicle body, the emitted laser light of the first laser pen 200 is parallel to the side surface 100 of the vehicle body and is horizontal to the ground, the second laser pen 600 is mounted on the surface of the millimeter wave radar 110, and the emitted laser light of the second laser pen 600 is parallel to the surface of the millimeter wave radar 110 and is horizontal to the ground. The mounting position of the first laser pen 200 is equal to the mounting position of the millimeter wave radar 110, so as to ensure that the laser beams emitted by the first laser pen 200 and the second laser pen 600 can intersect, and the included angle is equal to the included angle between the surface of the millimeter wave radar 110 and the vehicle body side 100.
Preferably, the millimeter wave radar mounting assembly further comprises a flat plate 400 and an angle measuring device, wherein the flat plate 400 is positioned at the intersection position of the laser emitted by the first laser pen 200 and the laser emitted by the second laser pen 600, and the angle measuring device is used for measuring the included angle of the two lasers.
Preferably, as shown in fig. 2 and 3, the millimeter wave radar mounting assembly further includes a chuck 300, and the chuck 300 includes a first positioning rod 310, a second positioning rod 320, a third positioning rod 330, and a slide rod 340.
Wherein the first positioning rod 310, the second positioning rod 320 and the third positioning rod 330 are fixedly connected to form a Y-shaped structure, a plurality of first positioning holes 311 are distributed on the first positioning rod 310 and the second positioning rod 320, the first positioning rods are fastened on the hub through the first positioning holes 311 by screw connecting pieces 360, when the sizes of the hubs are different, the screw connecting pieces 360 can be adaptively arranged on the first positioning holes 311 corresponding to the sizes of the hubs,
the slide rod 340 is provided with a second positioning hole 341 for being fixedly arranged on the hub and at least two third positioning holes 342 for being provided with the first laser pen 200. And the sliding rod 340 is slidably disposed in the sliding groove 343 inside the third positioning rod 330,
the third positioning hole 342 is closer to the connection point of the Y-shaped structure than the second positioning hole 341, during the sliding process of the sliding rod 340 in the sliding groove 343, the second positioning hole 341 extends out of the sliding groove 343, the third positioning hole 342 does not extend out of the sliding groove 343, a long strip-shaped through hole is formed in the sliding groove 343 so that the third positioning hole 342 is exposed, the threaded connecting piece fastens the first laser pen 200 through the third positioning hole 342, and along with the movement of the sliding rod 340 in the sliding groove 343, the height of the first laser pen 200 also changes, so that the rays emitted by the first laser pen 200 and the second laser pen 600 intersect through adaptive adjustment.
Illustratively, the chuck 300 is provided with a vertical level 350.
The millimeter wave radar mounting assembly further includes a planar jig 500, and the second laser pen 600 is mounted on the surface of the millimeter wave radar 110 through planar furniture.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (5)
1. The millimeter wave radar installation method is characterized in that the included angle between the surface of the millimeter wave radar and the side surface of the vehicle body is 40-50 degrees; the method comprises the following steps:
s100, mounting a first laser pen on the side surface of a vehicle body, or turning a wheel to be parallel to the side surface of the vehicle body and mounting the first laser pen on a hub of the wheel; the emitted laser of the first laser pen is parallel to the side surface of the vehicle body and is horizontal to the ground, the mounting position of the first laser pen is equal to the mounting position of the millimeter wave radar,
s200, arranging a second laser pen on the surface of the millimeter wave radar, enabling the emitted laser of the second laser pen to be parallel to the surface of the millimeter wave radar and horizontal to the ground,
s300, adjusting the installation angle of the millimeter wave radar until the included angle between the laser emitted by the second laser pen and the laser emitted by the first laser pen is 40-50 degrees.
2. The millimeter wave radar mounting method according to claim 1, wherein: in step S300, a flat plate is arranged at the intersection position of the laser emitted by the first laser pen and the laser emitted by the second laser pen, so that the laser emitted by the first laser pen and the laser emitted by the second laser pen are all displayed on the flat plate, and an included angle between the two lasers is measured by using an angle measuring device.
3. A millimeter wave radar mounting assembly for implementing the millimeter wave radar mounting method of claim 2, comprising:
a first laser pen arranged on the side surface of the wheel hub or the vehicle body, wherein the emitted laser of the first laser pen is parallel to the side surface of the vehicle body and is horizontal to the ground, the mounting position of the first laser pen is equal to the mounting position of the millimeter wave radar in height, and,
the second laser pen is arranged on the surface of the millimeter wave radar, and the emitted laser of the second laser pen is parallel to the surface of the millimeter wave radar and is horizontal to the ground;
the chuck comprises a first positioning rod, a second positioning rod, a third positioning rod and a sliding rod, wherein,
the first positioning rod, the second positioning rod and the third positioning rod are fixedly connected to form a Y-shaped structure, first positioning holes which are adapted to hubs with different sizes are arranged on the first positioning rod and the second positioning rod, a second positioning hole which is fixedly arranged on the hub and at least two third positioning holes which are used for installing the first laser pen are arranged on the sliding rod,
the sliding rod is arranged in a sliding groove in the third positioning rod in a sliding way, the second positioning hole and the third positioning hole are exposed, and when the sliding rod moves in the sliding groove, the height of the first laser pen is changed;
the millimeter wave radar installation assembly further comprises a flat plate and an angle measuring device, wherein the flat plate is positioned at the intersection position of laser emitted by the first laser pen and laser emitted by the second laser pen, and the angle measuring device is used for measuring an included angle of two lasers.
4. A millimeter wave radar mounting assembly according to claim 3 and wherein said third locating hole is located a distance from said Y-shaped structural connection point less than said second locating hole; wherein,
the sliding travel of the sliding rod enables the second positioning hole to extend out of the sliding groove, and a strip-shaped through hole is formed in the sliding groove so that the third positioning hole is exposed.
5. A millimeter wave radar mounting assembly in accordance with claim 3,
a vertical level gauge is arranged on the chuck;
and/or;
the millimeter wave radar mounting assembly further comprises a planar fixture, and the second laser pen is mounted on the surface of the millimeter wave radar through the planar fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711282175.6A CN108051815B (en) | 2017-12-07 | 2017-12-07 | Automobile provided with millimeter wave radar, and method and assembly for installing millimeter wave radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711282175.6A CN108051815B (en) | 2017-12-07 | 2017-12-07 | Automobile provided with millimeter wave radar, and method and assembly for installing millimeter wave radar |
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| Publication Number | Publication Date |
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| CN108051815A CN108051815A (en) | 2018-05-18 |
| CN108051815B true CN108051815B (en) | 2023-11-07 |
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| CN201711282175.6A Active CN108051815B (en) | 2017-12-07 | 2017-12-07 | Automobile provided with millimeter wave radar, and method and assembly for installing millimeter wave radar |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI690717B (en) * | 2019-01-30 | 2020-04-11 | 為升電裝工業股份有限公司 | Locomotive radar detection system |
| CN112937458A (en) * | 2021-03-19 | 2021-06-11 | 深圳市道通科技股份有限公司 | Auxiliary positioning device and positioning method |
| CN113253218B (en) * | 2021-06-24 | 2024-06-21 | 北京理工大学重庆创新中心 | Millimeter wave radar rapid positioning and mounting device and method based on vehicle body positioning |
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| EP0905526A1 (en) * | 1997-09-26 | 1999-03-31 | Thomson-Csf | Car's radar alignment adjusting device |
| JP2011226810A (en) * | 2010-04-15 | 2011-11-10 | Bosch Corp | Support device for attachment angle adjustment for on-vehicle radar device and method for adjusting attachment angle for on-vehicle radar device |
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| CN108051815A (en) | 2018-05-18 |
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