CN113495258A - Laser radar testing device and laser radar testing method - Google Patents
Laser radar testing device and laser radar testing method Download PDFInfo
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- CN113495258A CN113495258A CN202010264386.2A CN202010264386A CN113495258A CN 113495258 A CN113495258 A CN 113495258A CN 202010264386 A CN202010264386 A CN 202010264386A CN 113495258 A CN113495258 A CN 113495258A
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- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 230000003287 optical effect Effects 0.000 claims abstract description 104
- 230000003068 static effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 26
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The application provides a laser radar testing arrangement for test laser radar's luminous power, laser radar has the outgoing light path, laser radar testing arrangement includes drive arrangement and optical power meter, drive arrangement has the axis of rotation, drive arrangement be used for with laser radar transmission cooperation and be used for ordering about laser radar rotates around the axis of rotation, the optical power meter is used for setting up in the outgoing light path and is used for keeping relative stillness with laser radar. The laser radar testing device provided by the application drives the laser radar to rotate through the driving device so as to simulate the dynamic environment of the laser radar in the actual use process, and the optical power meter keeps static relative to the laser radar and can accurately pre-measure the optical power of the whole laser radar in a rotating state all the time, so that the optical power acquired through pre-measurement meets the requirement of the optical power required in the actual use process. In addition, the application also provides a laser radar testing method.
Description
Technical Field
The application relates to the technical field of laser radars, in particular to a laser radar testing device and a laser radar testing method.
Background
The optical system of the laser radar comprises a transceiver module with transmitting and receiving functions, and the transceiver module transmits or receives detection laser. After the transceiver module is measured, the transceiver module is mounted on the mounting position of the laser radar, and the transceiver module rotates in the actual use process, so that the optical power of the transceiver module is affected in the mounting process and the actual use process, and therefore, the difference exists between the measured optical power and the actual optical power of the transceiver module in the use process, and how to measure the optical power of the transceiver module accurately in a dynamic mode becomes an important subject.
Disclosure of Invention
The embodiment of the application provides a laser radar testing device and a laser radar testing method, and aims to solve the problems.
The embodiment of the application realizes the aim through the following technical scheme.
In a first aspect, an embodiment of the present application provides a laser radar testing device for testing the optical power of a laser radar, the laser radar has an exit light path, the laser radar testing device includes a driving device and an optical power meter, the driving device has a rotation axis, the driving device is used for being in transmission fit with the laser radar and is used for driving the laser radar to rotate around the rotation axis, and the optical power meter is used for being arranged on the exit light path and is used for being kept relatively static with the laser radar.
In a second aspect, an embodiment of the present application provides a laser radar testing method, which is applied to the laser radar testing apparatus provided in the first aspect, and the laser radar testing method includes: providing the laser radar and fixedly arranging the laser radar on the driving device; starting the laser radar and the driving device to work, wherein the laser radar and the optical power meter are kept relatively static; and starting an optical power meter to test the optical power of the laser radar.
Compared with the prior art, the laser radar testing device provided by the application drives the laser radar to rotate through the driving device so as to simulate the dynamic environment of the laser radar in the actual use process, the optical power meter is kept static relative to the laser radar and can accurately pre-measure the optical power of the whole laser radar in a rotating state all the time, and the difference between the pre-measured optical power and the required optical power in the actual use process is reduced, so that the optical power acquired through pre-measurement meets the requirement of the required optical power in the actual use process. The embodiment of the application provides a laser radar testing method, in the process of testing a laser radar, an optical power meter and the laser radar are kept relatively static, so that the optical power meter can detect the optical power of the laser radar in a dynamic environment in real time.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a laser radar testing apparatus according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a lidar of the lidar testing apparatus provided in the embodiment of the present application in a detached state.
Fig. 3 is a schematic structural diagram of a lidar and a driving device of the lidar testing device provided in the embodiment of the present application in a detached state.
Fig. 4 is a schematic structural diagram of a fixing support of a driving device of a laser radar testing device according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of another lidar testing apparatus provided in an embodiment of the present application.
Fig. 6 is a flowchart of a method for testing a lidar according to an embodiment of the present disclosure.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application 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 application.
Referring to fig. 1, an embodiment of the present application provides a lidar testing apparatus 100 for testing an optical power of a lidar, for example, the lidar 110 shown in fig. 1 may be used for testing the optical power of the lidar 110, the lidar 110 has an exit light path LR, the lidar testing apparatus 100 includes a driving apparatus 120 and an optical power meter 130, the driving apparatus 120 has a rotation axis X, the driving apparatus 120 is configured to cooperate with the lidar 110 in a transmission manner and is configured to drive the lidar 110 to rotate around the rotation axis X, and the optical power meter 130 is configured to be disposed in the exit light path LR and is configured to remain stationary relative to the lidar 110.
The laser radar testing device 100 provided by the embodiment of the application drives the laser radar 110 to rotate through the driving device 120 so as to simulate the dynamic environment of the laser radar 110 in the actual use process, the optical power meter 130 is kept static relative to the laser radar 110, the optical power of the whole laser radar 110 in the rotating state can be accurately pre-measured all the time, the difference between the pre-measured optical power and the required optical power in the actual use process is reduced, and the optical power acquired through pre-measurement meets the requirement of the required optical power in the actual use process.
Referring to fig. 1 and fig. 2, in the present embodiment, the laser radar 110 includes a transceiver module 111 and a rotation module 112, and the rotation module 112 and the transceiver module 111 are in transmission fit and are used for driving the transceiver module 111 to rotate around a rotation axis X. The laser radar 110 is provided with a light outlet 113, and an emission light path LR is substantially parallel to an axial direction of the light outlet 113, wherein an axis of the light outlet 113 may intersect with the rotation axis X, for example, an included angle formed between the axis of the light outlet 113 and the rotation axis X may be 90 °, the transceiver module 111 includes a laser emitter 1111 and a laser receiver 1112, wherein the laser emitter 1111 and the laser receiver 1112 may be disposed side by side and face the same, the laser emitter 1111 is configured to emit detection laser, the light outlet 113 is disposed on the laser emitter 1111, the detection laser exits through the light outlet 113 and exits along the emission light path LR, and the laser receiver 1112 is configured to receive reflected laser. The rotating module 112 includes a driver 1121 and a rotating portion 1122, wherein the rotating portion 1122 may be a disc structure, the driver 1121 may be a motor, a rotating shaft of the motor may be connected to a central position of a lower surface of the rotating portion 1122, the rotating shaft of the motor drives the rotating portion 1122 to rotate in a rotating process, and the transceiver module 111 may be disposed on an upper surface of the rotating portion 1122, which is away from the motor. The rotation portion 1122 drives the transceiver module 111 to rotate around the rotation axis X, so that the transceiver module 111 can emit detection laser from different directions to detect surrounding objects. The driver 1121 may be disposed on the driving device 120, and the driving device 120 is configured to drive the driver 1121 to rotate.
In some embodiments, as shown in fig. 2, laser radar 110 further includes a radome 114, where radome 114 is a circular cylinder structure, a circular wall 1141 of radome 114 is made of a light-transmitting material, and radome 114 covers an outer periphery of transceiver module 111.
In the present embodiment, the laser radar 110 has a rotation direction, wherein the rotation direction is along the first direction F1, the rotation frequency of the laser radar 110 is the same as the rotation frequency of the driving device 120, that is, the rotation frequency of the rotation module 112 is substantially the same as the rotation frequency of the driving device 120, and the rotation direction of the rotation module 112 is opposite to the rotation direction of the driving device 120, wherein the rotation direction of the laser radar 110 is also the rotation direction of the rotation module 112. When the laser radar 110 is turned on, the rotation module 112 is turned on at the same time, the driving device 120 drives the laser radar 110 to rotate along the first direction F1, the rotation module 112 drives the transceiver module 111 to rotate along the second direction F2 opposite to the first direction F1, since the rotation frequency of the rotation module 112 is substantially the same as the rotation frequency of the driving device 120, that is, the rotation frequency and the rotation frequency of the rotation module 112 are the same, that is, the rotation frequency and the rotation frequency of the rotation module 120 are the same, and the rotation direction of the rotation frequency and the rotation frequency of the rotation module 112 are opposite, the light outlet 113 can always face one direction, when the optical power meter 130 is arranged in the direction and faces the light outlet 113, the light outlet 113 is kept stationary relative to the optical power meter 130, and the light outlet 113 can always align with the optical power meter 130, so that the detection laser emitted through the light outlet 113 can be partially or completely incident to the receiver of the optical power meter 130, and the measurement result of the optical power meter 130 is ensured to be accurate. In the whole rotation process of the laser radar 110, the optical power meter 130 can always measure the optical power of the whole laser radar 110, so that the measured optical power of the laser radar 110 conforms to the optical power in practical use, and the accuracy of the measurement result is ensured.
Referring to fig. 3, in the present embodiment, the driving device 120 includes a driving portion 121 and a rotating component 122, the driving portion 121 and the rotating component 122 are in transmission fit and are used for driving the rotating component 122 to rotate, and the rotating component 122 is used for disposing the laser radar 110. Wherein, rotating assembly 122 may include a rotating disk 1221 and a fixed support 1222, rotating disk 1221 may be a disk structure, rotating disk 1221 is fixed to driving portion 121 and rotates around rotation axis X under the driving of driving portion 121, fixed support 1222 is fixed to rotating disk 1221, and fixed support 1222 is used for detachably fixing laser radar 110. The driving part 121 may be a driving motor, and a rotation shaft of the driving motor may be connected to a central portion of the turntable 1221.
In some embodiments, as shown in fig. 4, the fixing base 1222 may include a first fixing plate 1223, a second fixing plate 1224, and a connecting plate 1225, the first fixing plate 1223 and the second fixing plate 1224 are spaced apart from each other and disposed on the rotating disk 1221, a receiving space 1226 is formed between the first fixing plate 1223 and the second fixing plate 1224, wherein the receiving space 1226 may be configured to receive other components, the connecting plate 1225 is connected between the first fixing plate 1223 and the second fixing plate 1224, and the connecting plate 1225 is configured to fix the laser radar 110. In some embodiments, lidar testing apparatus 100 may further include a power supply module 140, and the power supply module 140 may be disposed on the rotating assembly 122 and configured to supply power to the lidar 110, for example, the power supply module 140 may be disposed on the rotating disc 1221 and located between the first fixing plate 1223 and the second fixing plate 1224, that is, the power supply module 140 is received in the receiving space 1226. Power module 140 can be prevented from occupying other spaces by disposing power module 140 in accommodating space 1226, power module 140 can be fixedly disposed on turntable 1221 and can be in interference fit with first fixing plate 1223 and second fixing plate 1224, and first fixing plate 1223 and second fixing plate 1224 can clamp power module 140 together, thereby preventing power module 140 from being loosened due to centrifugal force during rotation of turntable 1221. Power module 140 can be rechargeable battery, for example, can be the lithium cell, connecting plate 1225 can be provided with power source, power module 140 is connected with power source, laser radar 110 sets firmly and can be connected with power source when connecting plate 1225 simultaneously, because the lithium cell has the light advantage of quality, supply power to laser radar 110 through the lithium cell, can alleviate the weight that carousel 1221 bore, so that carousel 1221 is more stable at the rotation in-process, can reduce the consumption of drive division 121 simultaneously, at this moment, need not be through the cable external other power supply in order to supply power to laser radar 110, avoid power module 140 to take place the winding phenomenon of cable when rotatory.
In some embodiments, the centers of mass of the laser radar 110, the fixed support 1222, the turntable 1221, and the driving portion 121 are all located on the rotation axis X, that is, the centers of mass of the laser radar 110, the fixed support 1222, the turntable 1221, and the driving portion 121 are located on the same straight line, and in addition, the center of mass of the power supply module 140 may also be located on the rotation axis X, so as to ensure that the center of mass of any one of the driving portion 121, the fixed support 1222, the turntable 1221, and the power supply module 140 can be always located on the rotation axis X during the rotation process, thereby avoiding the deflection of any one of the driving portion, and ensuring the stable operation of the whole apparatus. In some embodiments, the driving device 120 may be an electric cradle head, the electric cradle head may be a mounting platform composed of two ac motors or dc motors, the electric cradle head may have at least horizontal and vertical rotation functions, the laser radar 110 is disposed on the electric cradle head, the electric cradle head may drive the laser radar 110 to rotate around a rotation axis parallel to the horizontal direction or the vertical direction, when the laser radar 110 rotates along the rotation axes in different directions, only the optical power meter 130 needs to be aligned with the light exit 113 of the laser radar 110 all the time, so that the two remain relatively static.
In some embodiments, as shown in fig. 5, lidar testing apparatus 100 may further include a mounting plate 150, where the mounting plate 150 may have a rectangular parallelepiped structure, an ellipsoid structure, or another shape, the driving apparatus 120 and the optical power meter 130 are disposed at a distance from the mounting plate 150, and both the driving apparatus 120 and the optical power meter 130 may be fixed to the mounting plate 150, and the light outlet 113 of the lidar 110 faces the optical power meter 130. During testing, when the laser radar 110 is turned on, the rotation module 112 and the optical power meter 130 are turned on at the same time, the driving device 120 drives the laser radar 110 to rotate along a first direction F1, the rotation module 112 drives the transceiver module 111 to rotate along a second direction F2 opposite to the first direction F1, wherein the rotation frequency of the rotation module 112 is substantially the same as the rotation frequency of the driving device 120, and the light outlet 113 is always aligned with the optical power meter 130 during the rotation of the laser radar 110.
In some embodiments, the optical power meter 130 is configured to be disposed on the turntable 1221 at a distance from the laser radar 110, wherein the laser radar 110 may be disposed at a center position of the turntable 1221, the optical power meter 130 may be disposed at a position between the center position of the turntable 1221 and an edge position of the turntable 1221, or disposed at a position close to the edge of the turntable 1221, and the optical power meter 130 is configured to face the light outlet 113 of the laser radar 110, that is, the light outlet 113 of the laser radar 110 faces the optical power meter 130. During the test, laser radar 110's rotation module 112 can remain motionless, drive arrangement 120 orders about carousel 1221 and rotates, carousel 1221 drives laser radar 110 and optical power meter 130 synchronous rotation in the rotation process, laser radar 110's light-emitting port 113 is towards optical power meter 130 all the time, drive whole laser radar 110 through carousel 1221 and rotate the dynamic environment when rotatory with simulation laser radar 110, optical power meter 130 can measure whole laser radar 110 all the time.
In some embodiments, the optical power meter 130 is rotatably disposed on the outer periphery of the driving device 120 and can rotate around the rotation axis X, the outer periphery of the driving device 120 can be provided with an annular track, the center line of the annular track can be disposed coaxially with the rotation axis X, the optical power meter 130 can be slidably disposed on the annular track, the light outlet 113 of the laser radar 110 faces the optical power meter 130, for example, a movable base can be disposed on the annular track, and the optical power meter 130 is disposed on the movable base. During the test, can keep drive arrangement 120 motionless, start rotation module 112 and rotate in order to drive laser radar 110 and rotate, start movable base simultaneously and encircle axis of rotation X and rotate, in the rotation process, optical power meter 130 keeps the same angular velocity with rotation module 112, so that laser radar 110's light-emitting port 113 is towards optical power meter 130 all the time, thereby in whole test process, optical power meter 130 can detect laser radar 110 optical power under the dynamic environment, realize the measurement to whole laser radar 110. In addition, the optical power meter can be independently powered through the mobile power supply.
In summary, in the laser radar testing apparatus 100 provided by the present application, the driving device 120 drives the laser radar 110 to rotate so as to simulate a dynamic environment of the laser radar 110 during actual use, and the optical power meter 130 is kept stationary with respect to the laser radar 110, so that the optical power of the entire laser radar 110 in a rotating state can be accurately pre-measured all the time, and the difference between the pre-measured optical power and the required optical power during actual use is reduced, so that the optical power obtained through pre-measurement meets the requirement of the optical power required during actual use.
The embodiment of the present application provides a method for testing a laser radar, which is applicable to the laser radar testing apparatus 100 provided in the first aspect, as shown in fig. 6, the method for testing a laser radar includes:
step S110: providing a laser radar and fixedly arranging the laser radar on the driving device.
A lidar to be tested, such as lidar 100 shown in fig. 1, is provided. Laser radar 100 may be fixed to a driving device, for example, may be fixed to a rotating component 122 of the driving device, and driving portion 121 may drive rotating component 122 to rotate, and rotating component 122 drives laser radar 100 to rotate during the rotation process. The light exit 113 of the laser radar 100 is directed to the optical power meter 130.
Step S120: and starting the laser radar and the driving device to work, wherein the laser radar and the optical power meter are kept relatively static.
In some embodiments, as shown in fig. 1 and 2, lidar 110 includes a transceiver module 111 and a rotation module 112, and the rotation module 112 and the transceiver module 111 are in driving fit and are configured to drive the transceiver module 111 to rotate around the rotation axis X. Starting the driving device 120 to operate, wherein the driving device 120 drives the laser radar 110 to rotate along a first direction F1; and starting the laser radar, wherein the rotating module 112 of the laser radar 110 drives the transceiver module 111 to rotate in a second direction F2 opposite to the first direction F1, the rotating frequency of the rotating module 112 is controlled to be approximately the same as the rotating frequency of the driving device 120, and the transceiver module 111 emits a certain power of detection laser when the laser radar is in operation.
In some embodiments, optical power meter 130 is configured to be disposed on turntable 1221 at a distance from laser radar 110, and optical power meter 130 may be disposed at a position between a center position of turntable 1221 and an edge position of turntable 1221, or disposed at a position close to the edge of turntable 1221, where optical power meter 130 is configured to face light outlet 113 of laser radar 110, that is, light outlet 113 of laser radar 110 faces optical power meter 130. When laser radar 110 is started, rotation module 112 of laser radar 110 may be kept stationary, and only transceiver module 111 needs to keep working, driving device 120 drives turntable 1221 to rotate, turntable 1221 drives laser radar 110 and optical power meter 130 to synchronously rotate in the rotating process, and light outlet 113 of laser radar 110 always faces optical power meter 130.
Step S130: and starting an optical power meter to test the optical power of the laser radar.
And starting the optical power meter to test the optical power of the detection laser received by the optical power meter, wherein the optical power meter can be controlled manually or automatically through a control program.
Step S120 and step S130 may not be in a sequential order, that is, step S120 may be executed before step S130, or may be executed after step S130, or step S120 and step S130 may be executed synchronously.
In some embodiments, when the optical power meter 130 is rotatably disposed at the outer periphery of the driving device 120 and can rotate around the rotation axis X, step S130 is performed simultaneously when step S120 is performed, for example, the rotation module 112 of the laser radar 110 is kept stationary, the driving device 120 drives the turntable 1221 to rotate, and when the turntable 1221 rotates, the optical power meter 130 is started to rotate and test and rotates synchronously with the turntable 1221, so that the optical power meter 130 and the laser radar 110 are kept stationary, and the optical power meter 130 measures the optical power of the laser radar 110 in real time during the rotation.
The application embodiment provides a laser radar testing method, in the process of testing a laser radar, an optical power meter and the laser radar are kept relatively static, so that the optical power meter can detect the optical power of the laser radar in a dynamic environment in real time.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill 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 substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (11)
1. A lidar testing apparatus for testing the optical power of a lidar having an exit optical path, the lidar testing apparatus comprising:
the driving device is provided with a rotating axis and is used for being in transmission fit with the laser radar and driving the laser radar to rotate around the rotating axis; and
and the optical power meter is arranged on the emergent light path and used for keeping relative static with the laser radar.
2. The lidar testing apparatus of claim 1, wherein the lidar has a rotational direction, wherein the rotational frequency of the lidar is the same as the rotational frequency of the driving apparatus, and wherein the rotational direction is opposite to the rotational direction of the driving apparatus.
3. The lidar testing apparatus of claim 1, wherein the lidar testing apparatus comprises a transceiver module and a rotation module, the rotation module and the transceiver module being in driving engagement and configured to drive the transceiver module to rotate about the axis of rotation.
4. The lidar testing apparatus of claim 1, wherein the driving apparatus comprises a driving portion and a rotating assembly, the driving portion and the rotating assembly are in transmission fit and are configured to drive the rotating assembly to rotate, and the rotating assembly is configured to set the lidar.
5. The lidar testing apparatus of claim 4, wherein the rotating assembly comprises a turntable and a fixed support, the turntable is fixed to the driving portion and driven by the driving portion to rotate around the rotation axis, the fixed support is fixed to the turntable, and the fixed support is used for detachably fixing the lidar.
6. The lidar testing apparatus of claim 5, further comprising a power module disposed on the rotating assembly and configured to supply power to the lidar.
7. The lidar testing apparatus of claim 6, wherein the fixing support comprises a first fixing plate, a second fixing plate, and a connecting plate, the first fixing plate and the second fixing plate are disposed on the turntable at an interval, the connecting plate is connected between the first fixing plate and the second fixing plate, the connecting plate is used for fixing the lidar, and the power supply module is disposed on the turntable and located between the first fixing plate and the second fixing plate.
8. Lidar testing device of claim 5, wherein the lidar, the stationary support, the turntable, and the drive portion each have a center of mass located at the axis of rotation X.
9. The lidar testing apparatus according to claim 1, wherein the driving apparatus comprises a driving portion and a turntable, the driving portion and the turntable are in transmission fit and are configured to drive the turntable to rotate around the rotation axis, the optical power meter is configured to be disposed on the turntable at a distance from the lidar, the lidar is provided with a light outlet, and the optical power meter is configured to face the light outlet.
10. The lidar testing apparatus of claim 1, further comprising a mounting plate, wherein the drive apparatus and the optical power meter are spaced apart from the mounting plate.
11. A lidar testing method applied to the lidar testing apparatus according to claim 1, wherein the lidar testing method comprises:
providing the laser radar and fixedly arranging the laser radar on the driving device;
starting the laser radar and the driving device to work, wherein the laser radar and the optical power meter are kept relatively static;
and starting the optical power meter to test the optical power of the laser radar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010264386.2A CN113495258A (en) | 2020-04-07 | 2020-04-07 | Laser radar testing device and laser radar testing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010264386.2A CN113495258A (en) | 2020-04-07 | 2020-04-07 | Laser radar testing device and laser radar testing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509741A (en) * | 2021-12-28 | 2022-05-17 | 珠海视熙科技有限公司 | Laser radar test fixture |
| CN115166695A (en) * | 2022-09-06 | 2022-10-11 | 深圳力策科技有限公司 | High-safety laser radar scanning device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015115643A1 (en) * | 2014-01-31 | 2015-08-06 | 株式会社デンソーウェーブ | Laser radar device |
| WO2019196135A1 (en) * | 2018-04-11 | 2019-10-17 | 无锡流深光电科技有限公司 | Laser radar system and laser ranging method |
| CN110703265A (en) * | 2019-09-25 | 2020-01-17 | 上海工程技术大学 | Mechanical rotary laser radar test system and method |
-
2020
- 2020-04-07 CN CN202010264386.2A patent/CN113495258A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015115643A1 (en) * | 2014-01-31 | 2015-08-06 | 株式会社デンソーウェーブ | Laser radar device |
| WO2019196135A1 (en) * | 2018-04-11 | 2019-10-17 | 无锡流深光电科技有限公司 | Laser radar system and laser ranging method |
| CN110703265A (en) * | 2019-09-25 | 2020-01-17 | 上海工程技术大学 | Mechanical rotary laser radar test system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509741A (en) * | 2021-12-28 | 2022-05-17 | 珠海视熙科技有限公司 | Laser radar test fixture |
| CN115166695A (en) * | 2022-09-06 | 2022-10-11 | 深圳力策科技有限公司 | High-safety laser radar scanning device |
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Application publication date: 20211012 |