CN110658523A - Vehicle-mounted radar installation calibration device and calibration method - Google Patents
Vehicle-mounted radar installation calibration device and calibration method Download PDFInfo
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- CN110658523A CN110658523A CN201911046645.8A CN201911046645A CN110658523A CN 110658523 A CN110658523 A CN 110658523A CN 201911046645 A CN201911046645 A CN 201911046645A CN 110658523 A CN110658523 A CN 110658523A
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- 238000009434 installation Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention relates to the technical field of vehicle-mounted radar assembly, and discloses a vehicle-mounted radar installation calibration device and a vehicle-mounted radar installation calibration method. The vehicle-mounted radar mounting and calibrating device comprises a positioning component, a first detection module and a second detection module, wherein the positioning component is configured to position the mounting normal direction of the vehicle-mounted radar; the first detection module is arranged on the positioning assembly and is configured to detect a pitch angle of the vehicle-mounted radar; the second detection module comprises a light source and an optical reflection element, the light source is arranged on the positioning assembly, and the optical reflection element is configured to reflect a light beam emitted by the light source to a preset position so that the installation normal direction of the vehicle-mounted radar is consistent with the advancing direction of the vehicle. The vehicle-mounted radar mounting and calibrating method uses the vehicle-mounted radar mounting and calibrating device. The method is convenient to operate, realizes the calibration of the installation of the vehicle-mounted radar, reduces the installation error of the vehicle-mounted radar, improves the installation precision and the installation efficiency of the vehicle-mounted radar, and ensures the accurate calibration of the installation of the vehicle-mounted radar.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted radar assembly, in particular to a vehicle-mounted radar installation calibration device and a vehicle-mounted radar installation calibration method.
Background
In the field of automatic driving applications, vehicle-mounted radars are one of the mainstream detection sensors due to their moderate cost, strong environmental adaptability and good remote detection capability. The vehicle-mounted radar is mainly divided into a medium range radar and a short range radar, and the medium range radar has the functions of forward collision early warning, self-adaptive cruise, automatic emergency braking and the like. The short-range radar has the functions of lane changing assistance, blind spot monitoring, rear collision early warning, parking assistance, door opening early warning system, front/rear passing early warning and the like, provides data for self-adaptive cruising or automatic driving of an automobile and accordingly improves driving safety. Besides the measurement performance of the radar, the installation position and the installation angle of the radar determine the correctness and the precision of final measurement data.
However, in the prior art, the vehicle-mounted radar is mounted on the whole vehicle through the mounting back plate, and a certain angle error exists between the mounting back plate and the whole vehicle, so that the mounting error of the vehicle-mounted radar is large.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a device and a method for calibrating a vehicle-mounted radar, which can reduce the mounting error of the vehicle-mounted radar and improve the mounting accuracy of the vehicle-mounted radar.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a vehicle radar installation calibrating device, be provided with pitch adjusting screw and driftage adjusting screw on vehicle radar's the installing support, vehicle radar installation calibrating device includes:
a positioning component configured to position an installation normal of the onboard radar;
the first detection module is arranged on the positioning assembly and is configured to detect a pitch angle of the vehicle-mounted radar;
and the second detection module comprises a light source and an optical reflection element, the light source is arranged on the positioning assembly, and the optical reflection element is configured to reflect the light beam emitted by the light source to a preset position so that the installation normal direction of the vehicle-mounted radar is consistent with the advancing direction of the vehicle.
As a preferable scheme of the device for mounting and calibrating the vehicle-mounted radar, the positioning assembly comprises a positioning plate and a normal ejector rod, the positioning plate is configured to be clamped with the vehicle-mounted radar, the normal ejector rod is vertically connected to the positioning plate, the extending direction of the normal ejector rod is consistent with the mounting normal direction of the vehicle-mounted radar, and the first detection module and the light source are both arranged on the normal ejector rod.
As a preferable scheme of the vehicle-mounted radar installation calibration device of the present invention, the device further includes a locking assembly configured to lock the vehicle-mounted radar to the positioning plate.
As a preferable scheme of the device for mounting and calibrating the vehicle-mounted radar, the locking assembly comprises a movable plate, a clamping arm and an elastic member, one end of the clamping arm is rotatably connected to the movable plate, the other end of the clamping arm is configured to be clamped with the vehicle-mounted radar, a reset torsion spring is arranged at the rotary connection position of the clamping arm and the movable plate, the movable plate and the positioning plate are arranged at intervals, and the elastic member is clamped between the movable plate and the positioning plate.
As a preferable scheme of the vehicle-mounted radar installation and calibration device, the movable plate is provided with a guide post, the guide post penetrates through the positioning plate, and the elastic member is sleeved on the guide post.
As a preferable scheme of the vehicle-mounted radar installation and calibration device, the normal ejector rod is provided with a slide rail, the slide rail is connected with an installation seat in a sliding mode, and the light source is installed on the installation seat.
As a preferable scheme of the vehicle-mounted radar installation and calibration device of the present invention, a fixing seat is connected to a bottom of the normal push rod, and the optical reflection element is obliquely disposed on the fixing seat.
As a preferred scheme of the vehicle-mounted radar installation and calibration device, the normal ejector rod is made of a magnetic material, and the fixed seat is provided with a magnetic part capable of adsorbing the normal ejector rod.
As a preferable scheme of the vehicle-mounted radar installation and calibration device, one side of the fixed seat is provided with a positioning convex block, and the positioning convex block is attached to the side surface of the normal ejector rod.
A vehicle-mounted radar installation and calibration method uses the vehicle-mounted radar installation and calibration device, and comprises the following steps:
positioning the mounting normal direction of the vehicle-mounted radar;
adjusting the pitching adjusting screw until the pitching angle of the vehicle-mounted radar detected by the first detection module is zero;
and adjusting the yaw adjusting screw to enable the optical reflection element to reflect the light beam emitted by the light source to a preset position, so that the mounting normal direction of the vehicle-mounted radar is consistent with the advancing direction of the vehicle.
The invention has the beneficial effects that:
the invention provides a device and a method for installing and calibrating a vehicle-mounted radar, which are used for positioning the installation normal direction of the vehicle-mounted radar through a positioning assembly, detecting the pitch angle of the vehicle-mounted radar through a first detection module (such as a level gauge), adjusting the screwing degree of a pitch adjusting screw on an installation bracket of the vehicle-mounted radar until the pitch angle of the vehicle-mounted radar detected by the first detection module is zero, and reflecting a light beam emitted by a light source (such as a laser) to a preset position (such as the center position of a vehicle trademark) through an optical reflection element (such as a reflector) by adjusting the screwing degree of a yaw adjusting screw on the installation bracket of the vehicle-mounted radar so as to ensure that the installation normal direction of the vehicle-mounted radar is consistent with the advancing direction of a vehicle. The vehicle-mounted radar installation calibration device and the vehicle-mounted radar installation calibration method provided by the invention are convenient to operate, realize the calibration of the vehicle-mounted radar installation, reduce the installation error of the vehicle-mounted radar, improve the installation precision and the installation efficiency of the vehicle-mounted radar, and ensure the accurate calibration of the vehicle-mounted radar installation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a vehicle radar installation calibration device provided in an embodiment of the present invention when calibrating a vehicle radar;
FIG. 2 is a schematic structural diagram of a vehicle-mounted radar installation calibration device according to an embodiment of the present invention;
fig. 3 is an exploded view of a calibration device for mounting a vehicle-mounted radar according to an embodiment of the present invention.
In the figure:
1-a positioning assembly; 2-a first detection module; 3-a second detection module; 4-a locking assembly;
11-a positioning plate; 111-snap arms; 112-a positioning arm; 12-normal ejector pin; 121-a stop;
31-a light source; 32-an optical reflective element; 33-a slide rail; 34-a mounting seat; 35-a fixed seat; 351-positioning bumps; 352-a baffle; 353, installing a groove; 354-a receiving groove;
41-a movable plate; 42-a clamping arm; 43-an elastic member; 44-a return torsion spring; 45-guide posts;
100-vehicle radar; 101-pitch adjustment screw; 102-yaw adjustment screws; 103-set screw.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a vehicle-mounted radar installation calibration device which can be used for calibrating the installation position of a vehicle-mounted radar on a vehicle. As shown in fig. 1 to 3, a pitch adjusting screw 101, a yaw adjusting screw 102 and a positioning screw 103 are provided on a mounting bracket of the vehicle-mounted radar 100, the pitch adjusting screw 101 is used for adjusting a pitch angle of the vehicle-mounted radar 100, the yaw adjusting screw 102 is used for adjusting a yaw angle of the vehicle-mounted radar 100, the positioning screw 103 is used for positioning a mounting position of the vehicle-mounted radar 100, the pitch adjusting screw 101 is located below the positioning screw 103, and the yaw adjusting screw 102 is located at one side of the positioning screw 103. The vehicle-mounted radar installation calibration device comprises a positioning component 1, a first detection module 2 and a second detection module 3.
Specifically, the positioning assembly 1 is configured to position the installation normal direction of the in-vehicle radar 100; the first detection module 2 is arranged on the positioning assembly 1 and is configured to detect a pitch angle of the vehicle-mounted radar 100; the second detection module 3 includes a light source 31 and an optical reflection element 32, the light source 31 is disposed on the positioning assembly 1, and the optical reflection element 32 is configured to reflect a light beam emitted by the light source 31 to a preset position, so that a mounting normal direction of the in-vehicle radar 100 coincides with a vehicle advancing direction.
The mounting normal direction of the vehicle-mounted radar 100 is positioned through the positioning assembly 1, the pitch angle of the vehicle-mounted radar 100 is detected through the first detection module 2 (such as a level gauge), the screwing degree of a pitch adjusting screw 101 on a mounting bracket of the vehicle-mounted radar 100 is adjusted until the pitch angle of the vehicle-mounted radar 100 detected through the first detection module 2 is zero, and the optical reflection element 32 (such as a reflector) reflects a light beam emitted by the light source 31 (such as a laser) to a preset position (such as a vehicle trademark center position) through adjusting the screwing degree of a yaw adjusting screw 102 on the mounting bracket of the vehicle-mounted radar 100, so that the mounting normal direction of the vehicle-mounted radar 100 is consistent with the advancing direction of the vehicle, and the mounting calibration of the vehicle-mounted radar 100 is completed. The calibration method is convenient to operate, realizes calibration of the installation of the vehicle-mounted radar 100, reduces the installation error of the vehicle-mounted radar 100, improves the installation precision and the installation efficiency of the vehicle-mounted radar 100, and ensures the accurate calibration of the installation of the vehicle-mounted radar 100.
In order to facilitate positioning of the installation normal direction of the vehicle-mounted radar 100, optionally, the positioning assembly 1 includes a positioning plate 11 and a normal push rod 12, the positioning plate 11 is configured to be clamped with the vehicle-mounted radar 100, the normal push rod 12 is vertically connected to the positioning plate 11, the extending direction of the normal push rod 12 is consistent with the installation normal direction of the vehicle-mounted radar 100, and the first detection module 2 and the light source 31 are both disposed on the normal push rod 12. In this embodiment, the positioning plate 11 is provided with two clamping arms 111 and three positioning arms 112, the positioning arms 112 support against the mounting bracket of the vehicle-mounted radar 100, and the clamping arms 111 are clamped on the radar threaded columns of the mounting bracket of the vehicle-mounted radar 100, so that the influence on the calibration accuracy caused by the looseness of the vehicle-mounted radar 100 in the calibration process is avoided.
To further avoid the influence of the loosening of the vehicle-mounted radar 100 on the calibration accuracy, optionally, the vehicle-mounted radar mounting calibration apparatus further includes a locking assembly 4, and the locking assembly 4 is configured to lock the vehicle-mounted radar 100 on the positioning plate 11. In order to achieve the locking of the locking assembly 4 to the positioning plate 11, optionally, the locking assembly 4 includes a movable plate 41, a clamping arm 42 and an elastic member 43, one end of the clamping arm 42 is rotatably connected to the movable plate 41, the other end of the clamping arm 42 is configured to be clamped with the vehicle-mounted radar 100, a return torsion spring 44 is disposed at a rotational connection position of the clamping arm 42 and the movable plate 41, the movable plate 41 and the positioning plate 11 are disposed at an interval, and the elastic member 43 is sandwiched between the movable plate 41 and the positioning plate 11. The clamping arm 42 is opened, the movable plate 41 is pushed towards the vehicle-mounted radar 100, the clamping arm 42 clamps the vehicle-mounted radar 100, the positioning plate 11 is attached to and locked with the vehicle-mounted radar 100 under the action of the clamping arm 42 and the elastic piece 43, and the extending direction of the normal ejector rod 12 is consistent with the installation normal direction of the vehicle-mounted radar 100.
In this embodiment, the elastic member 43 may be a spring, which is convenient for obtaining materials and low in cost. For ease of installation, the normal ram 12 extends through the movable plate 41. The normal push rod 12 is provided with a stopping portion 121, and the stopping portion 121 is used for performing limit stopping on the movable plate 41. In order to guide and limit the elastic deformation of the elastic member 43, optionally, a guide post 45 is disposed on the movable plate 41, the guide post 45 penetrates through the positioning plate 11, and the elastic member 43 is sleeved on the guide post 45.
To facilitate mounting of the light source 31, optionally, a slide rail 33 is mounted on the normal prop 12, a mounting seat 34 is slidably connected to the slide rail 33, and the light source 31 is mounted on the mounting seat 34. In this embodiment, the light source 31 may be a laser, and the light beam is concentrated and has strong linearity. In order to facilitate the installation of the optical reflection element 32, optionally, a fixing seat 35 is connected to the bottom of the normal mandril 12, and the optical reflection element 32 is obliquely arranged on the fixing seat 35. In this embodiment, the optical reflection element 32 can be a reflector, which is convenient for obtaining materials and low in cost. The fixed seat 35 is provided with a baffle 352 and a mounting groove 353, one end of the optical reflection element 32 is placed in the mounting groove 353, and the other end of the optical reflection element abuts against the baffle 352. The mounting grooves 353 may be provided in plural, which facilitates adjustment of the mounting position of the optical reflection element 32 according to different vehicle types.
In order to facilitate the connection between the normal push rod 12 and the fixing seat 35, optionally, the normal push rod 12 is made of a magnetic material, and the fixing seat 35 is provided with a magnetic attraction member capable of attracting the normal push rod 12. In this embodiment, the fixing seat 35 is provided with a containing groove 354, the magnetic attraction member can be a strong magnet and is disposed in the containing groove 354, the containing groove 354 can be provided with a plurality of magnetic attraction members, which facilitates the placement of the plurality of magnetic attraction members, and improves the connection strength between the normal push rod 12 and the fixing seat 35. In order to ensure that the fixed seat 35 and the normal push rod 12 extend in the same direction, optionally, a positioning protrusion 351 is disposed on one side of the fixed seat 35, and the positioning protrusion 351 abuts against a side surface of the normal push rod 12.
When the vehicle-mounted radar mounting and calibrating device provided by the embodiment is used for calibrating the vehicle-mounted radar 100, the main working flow is as follows: firstly, the positioning arm 112 is abutted against the mounting bracket of the vehicle-mounted radar 100, and the clamping arm 111 is clamped on the radar threaded column of the mounting bracket of the vehicle-mounted radar 100, so that the influence of the looseness of the vehicle-mounted radar 100 on the calibration precision in the calibration process is avoided; secondly, the clamping arm 42 is opened, the movable plate 41 is pushed towards the vehicle-mounted radar 100, the clamping arm 42 clamps the vehicle-mounted radar 100, the positioning plate 11 is attached and locked with the vehicle-mounted radar 100 under the action of the clamping arm 42 and the elastic piece 43, and the extending direction of the normal ejector rod 12 is consistent with the installation normal direction of the vehicle-mounted radar 100; then, detecting the pitch angle of the vehicle-mounted radar 100 through the first detection module 2 (such as a level gauge), and adjusting the screwing degree of the pitch adjusting screw 101 on the mounting bracket of the vehicle-mounted radar 100 until the pitch angle of the vehicle-mounted radar 100 detected by the first detection module 2 is zero; finally, the optical reflection element 32 (e.g., a mirror) reflects the light beam emitted from the light source 31 (e.g., a laser) to a preset position (e.g., a vehicle brand center position) by adjusting the screwing degree of the yaw adjustment screw 102 on the mounting bracket of the vehicle-mounted radar 100, so that the mounting normal direction of the vehicle-mounted radar 100 coincides with the vehicle advancing direction, and the mounting calibration of the vehicle-mounted radar 100 is completed.
The vehicle-mounted radar installation and calibration device provided by the embodiment is convenient to operate, realizes calibration of installation of the vehicle-mounted radar 100, reduces installation errors of the vehicle-mounted radar 100, improves installation accuracy and installation efficiency of the vehicle-mounted radar 100, and ensures accurate calibration of installation of the vehicle-mounted radar 100.
The embodiment provides a vehicle-mounted radar installation and calibration method, which uses the vehicle-mounted radar installation and calibration device, and comprises the following steps: positioning the installation normal direction of the vehicle-mounted radar 100; adjusting the pitch adjusting screw 101 until the pitch angle of the vehicle-mounted radar 100 detected by the first detection module 2 is zero; the yaw adjusting screw 102 is adjusted to cause the optical reflection element 32 to reflect the light beam emitted from the light source 31 to a preset position so that the installation normal direction of the in-vehicle radar 100 coincides with the vehicle advancing direction.
Specifically, the mounting normal direction of the vehicle-mounted radar 100 is positioned by the positioning assembly 1, the pitch angle of the vehicle-mounted radar 100 is detected by the first detection module 2 (e.g., a level gauge), the screwing degree of the pitch adjustment screw 101 on the mounting bracket of the vehicle-mounted radar 100 is adjusted until the pitch angle of the vehicle-mounted radar 100 detected by the first detection module 2 is zero, and the optical reflection element 32 (e.g., a mirror) reflects the light beam emitted by the light source 31 (e.g., a laser) to a preset position (e.g., a vehicle brand center position) by adjusting the screwing degree of the yaw adjustment screw 102 on the mounting bracket of the vehicle-mounted radar 100, so that the mounting normal direction of the vehicle-mounted radar 100 is consistent with the vehicle advancing direction, and the mounting calibration of the vehicle-mounted radar.
The method for installing and calibrating the vehicle-mounted radar 100 is convenient to operate, realizes the installation and calibration of the vehicle-mounted radar 100, reduces the installation error of the vehicle-mounted radar 100, improves the installation precision and the installation efficiency of the vehicle-mounted radar 100, and ensures the accurate calibration of the installation of the vehicle-mounted radar 100.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A vehicle radar installation calibration device is provided with a pitch adjusting screw (101) and a yaw adjusting screw (102) on a mounting bracket of a vehicle radar (100), and is characterized by comprising:
a positioning assembly (1) configured to position an installation normal of the vehicle radar (100);
a first detection module (2) arranged on the positioning assembly (1) and configured to detect a pitch angle of the vehicle-mounted radar (100);
a second detection module (3) comprising a light source (31) and an optical reflection element (32), wherein the light source (31) is arranged on the positioning assembly (1), and the optical reflection element (32) is configured to reflect the light beam emitted by the light source (31) to a preset position so as to enable the installation normal direction of the vehicle-mounted radar (100) to be consistent with the advancing direction of the vehicle.
2. The installation calibration device for the vehicle-mounted radar as recited in claim 1, wherein the positioning assembly (1) comprises a positioning plate (11) and a normal mandril (12), the positioning plate (11) is configured to be clamped with the vehicle-mounted radar (100), the normal mandril (12) is vertically connected to the positioning plate (11), the extension direction of the normal mandril (12) is consistent with the installation normal direction of the vehicle-mounted radar (100), and the first detection module (2) and the light source (31) are both arranged on the normal mandril (12).
3. The vehicle radar mounting calibration device according to claim 2, further comprising a locking assembly (4), wherein the locking assembly (4) is configured to lock the vehicle radar (100) to the positioning plate (11).
4. The vehicle-mounted radar installation and calibration device according to claim 3, wherein the locking assembly (4) comprises a movable plate (41), a clamping arm (42) and an elastic member (43), one end of the clamping arm (42) is rotatably connected to the movable plate (41), the other end of the clamping arm is configured to be clamped with the vehicle-mounted radar (100), a reset torsion spring (44) is arranged at the rotating connection position of the clamping arm (42) and the movable plate (41), the movable plate (41) and the positioning plate (11) are arranged at intervals, and the elastic member (43) is clamped between the movable plate (41) and the positioning plate (11).
5. The vehicle radar mounting calibration device according to claim 4, wherein a guide post (45) is disposed on the movable plate (41), the guide post (45) penetrates through the positioning plate (11), and the elastic member (43) is sleeved on the guide post (45).
6. The vehicle-mounted radar mounting calibration device according to claim 2, wherein a slide rail (33) is mounted on the normal mandril (12), a mounting seat (34) is slidably connected on the slide rail (33), and the light source (31) is mounted on the mounting seat (34).
7. The installation and calibration device for the vehicle-mounted radar as recited in claim 2, wherein a fixed seat (35) is connected to the bottom of the normal mandril (12), and the optical reflection element (32) is obliquely arranged on the fixed seat (35).
8. The installation and calibration device for the vehicle-mounted radar as recited in claim 7, wherein the normal mandril (12) is made of magnetic material, and the fixed seat (35) is provided with a magnetic attraction piece capable of attracting the normal mandril (12).
9. The installation and calibration device for the vehicle-mounted radar as recited in claim 7, characterized in that a positioning projection (351) is arranged on one side of the fixed seat (35), and the positioning projection (351) abuts against the side surface of the normal mandril (12).
10. A vehicle radar installation calibration method, characterized in that the vehicle radar installation calibration device according to any one of claims 1 to 9 is used, and the method comprises the following steps:
positioning the installation normal direction of the vehicle-mounted radar (100);
adjusting a pitching adjusting screw (101) until the pitching angle of the vehicle-mounted radar (100) detected by the first detection module (2) is zero;
and adjusting the yaw adjusting screw (102) to enable the optical reflection element (32) to reflect the light beam emitted by the light source (31) to a preset position, so that the installation normal direction of the vehicle-mounted radar (100) is consistent with the advancing direction of the vehicle.
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| CN201911046645.8A CN110658523B (en) | 2019-10-30 | 2019-10-30 | Vehicle-mounted radar installation calibration device and calibration method |
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| CN111239701A (en) * | 2020-01-23 | 2020-06-05 | 铁将军汽车电子股份有限公司 | Angle calibration method of vehicle-mounted distance detection device |
| CN111610493A (en) * | 2020-05-09 | 2020-09-01 | 上海豫兴电子科技有限公司 | Vehicle-mounted radar mounting assembly, vehicle-mounted radar and vehicle |
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| CN103287347A (en) * | 2012-03-02 | 2013-09-11 | 万都株式会社 | Alignment system and method of radar apparatus |
| WO2017101912A1 (en) * | 2015-12-18 | 2017-06-22 | Hella Gutmann Solutions GmbH | Device for calibrating at least one radar sensor |
| CN108120966A (en) * | 2017-12-25 | 2018-06-05 | 深圳市道通科技股份有限公司 | A kind of trailer-mounted radar calibration facility and method |
| WO2019128812A1 (en) * | 2017-12-25 | 2019-07-04 | 深圳市道通科技股份有限公司 | On-vehicle radar calibration device and method |
| CN107966690A (en) * | 2018-01-12 | 2018-04-27 | 深圳市道通科技股份有限公司 | Trailer-mounted radar calibration facility |
| CN110082734A (en) * | 2019-04-28 | 2019-08-02 | 安徽瑞泰智能装备有限公司 | Caliberating device, calibration system and the scaling method of automobile mounted millimetre-wave radar extrinsic calibration |
| CN211014636U (en) * | 2019-10-30 | 2020-07-14 | 北京道锐达科技有限公司 | Vehicle-mounted radar installation and calibration device |
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| CN111239701A (en) * | 2020-01-23 | 2020-06-05 | 铁将军汽车电子股份有限公司 | Angle calibration method of vehicle-mounted distance detection device |
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| CN111239701B (en) * | 2020-01-23 | 2023-12-22 | 铁将军汽车电子股份有限公司 | Angle calibration method of vehicle-mounted distance detection device |
| CN111610493A (en) * | 2020-05-09 | 2020-09-01 | 上海豫兴电子科技有限公司 | Vehicle-mounted radar mounting assembly, vehicle-mounted radar and vehicle |
| CN111610493B (en) * | 2020-05-09 | 2022-12-09 | 上海豫兴电子科技有限公司 | Vehicle-mounted radar mounting assembly, vehicle-mounted radar and vehicle |
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