CN217156789U

CN217156789U - Sensor sensitivity detection device for fusion type automatic driving vehicle

Info

Publication number: CN217156789U
Application number: CN202220340744.8U
Authority: CN
Inventors: 谢长秀
Original assignee: Shanghai Zhifeng Automotive Technology Co ltd
Current assignee: Shanghai Zhifeng Automotive Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-09
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a sensor sensitivity detection device for a fusion type automatic driving vehicle, which comprises a detection table with supporting legs fixed on the periphery of the bottom end, a mounting plate is fixed on one side of the top end of the detection table, a plurality of plug blocks arranged at equal intervals are movably plugged in the top end of the mounting plate, barrier plates are fixed on the bottom ends of the plug blocks, and a detector is fixed on the other side of the top end of the detection table, so that the sensor sensitivity detection device for the fusion type automatic driving vehicle is different from the prior art, can quickly position a radar sensor by utilizing a positioning mechanism to ensure the stability of the radar sensor in the moving process, and can simulate the state of the automobile in moving by utilizing an adjustable auxiliary mechanism, and simultaneously drive the radar sensor to vibrate in the moving process, so that the state of the vibration in the driving process of the automobile is simulated and the barrier plates in front are identified, the detection effect is good.

Description

Sensor sensitivity detection device for fusion type automatic driving vehicle

Technical Field

The utility model relates to a sensor sensitivity check out test set technical field specifically is a sensor sensitivity detection device for fusion autopilot vehicle.

Background

The integrated automatic driving vehicle is characterized in that a plurality of similar or dissimilar sensors respectively obtain information of different parts and types, the information can be mutually supplemented, redundancy and contradiction can exist, and the control center can only issue a unique and correct instruction finally, so that the key of realizing automatic driving is required to be realized only by integrating information of a plurality of sensors and comprehensively judging the information of the plurality of sensors.

At present, when a radar sensor on a fusion type automatic driving vehicle is delivered to a factory for detection, a sensitivity detection device is required to be used for auxiliary detection, however, the existing sensitivity detection device only simply fixes the radar sensor on a certain moving workpiece platform, and directly simulates the state of the automobile during movement for detection, but in the actual moving process of the automobile, vibration occurs, and only a translation and non-vibration detection mode is adopted, so that the accuracy of a detection result cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sensor sensitivity detection device for fused autopilot vehicle to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sensor sensitivity detection device for a fusion type automatic driving vehicle comprises a detection table, wherein supporting legs are fixed on the periphery of the bottom end of the detection table, a mounting plate is fixed on one side of the top end of the detection table, a plurality of inserting blocks which are arranged at equal intervals are movably inserted into the top end of the mounting plate, barrier plates are fixed on the bottom ends of the inserting blocks, a detector is fixed on the other side of the top end of the detection table, a movable plate block is connected to the top end of the detection table in a sliding mode, a T-shaped movable plate block is connected to the inside of the movable plate block in a sliding mode, and a movable cavity matched with the T-shaped movable plate block is formed in the movable plate block;

the bottom mounting of removal plate has two vertical sections to be the sliding seat of shape of falling T, detects the top of platform and all sets up the sliding tray with sliding tray matched with, one of them spiral transmission is connected with one-way lead screw on the sliding seat, the both ends of one-way lead screw all rotate through the bearing and connect in the sliding tray, a lateral wall that detects the platform is fixed with the motor, the one end of one-way lead screw extends to the outside that detects the platform to link to each other with the output shaft of motor, the positioning mechanism who is convenient for carry out quick centre gripping location to radar sensor is installed at the top of T shape activity plate, radar sensor passes through electric connection between wire and the detector, T shape activity plate, remove the plate and detect and install adjustable complementary unit between the platform.

Preferably, the positioning mechanism comprises two symmetrically-arranged positioning plates which are slidably connected to the top end of the T-shaped movable plate, the bottom ends of the positioning plates are respectively fixed with a movable seat with an inverted T-shaped vertical section, and the top end of the T-shaped movable plate is provided with a movable groove matched with the two movable seats.

Preferably, the two moving seats are connected with the same bidirectional screw rod in a screw transmission mode, two ends of the bidirectional screw rod are rotatably connected into the moving grooves through bearings, one end of the bidirectional screw rod extends to the outer side of the T-shaped moving plate and is fixedly connected with a first knob, and a hand-screwed nut which is connected to the outer side of the bidirectional screw rod in a screw mode is arranged between the first knob and the T-shaped moving plate.

Preferably, the adjustable auxiliary mechanism comprises an n-shaped rack fixed at the top end of the detection table, a gear is meshed and connected above the n-shaped rack, a rotating shaft is fixedly connected in a mounting shaft hole of the gear, one end of the rotating shaft is rotatably connected to one side wall of the movable plate through a bearing, and a cam is fixedly connected to the outer side of the rotating shaft.

Preferably, an adjusting block which is connected to the side wall of the T-shaped movable plate in a sliding mode is arranged above the cam, a first sliding block with a T-shaped cross section is fixed to one end of the adjusting block, a first sliding groove matched with the first sliding block is formed in the side wall of the T-shaped movable plate, a second one-way screw rod is connected to the first sliding block in a screw transmission mode, two ends of the second one-way screw rod are connected to the first sliding groove in a rotating mode through bearings, the top end of the second one-way screw rod extends to the outer side of the T-shaped movable plate, and a second knob is fixedly connected to the top end of the second one-way screw rod.

Preferably, a second sliding block with a T-shaped cross section is fixed on each of the two side walls of the T-shaped movable plate, second sliding grooves matched with the second sliding blocks are formed in the inner walls of the two sides of the movable cavity, the second sliding blocks are movably sleeved on the outer sides of the sliding rods, the sliding rods are fixed in the corresponding second sliding grooves, and springs sleeved on the outer sides of the corresponding sliding rods are arranged between the top ends of the second sliding blocks and the inner top walls of the corresponding second sliding grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is different from the prior art, utilize positioning mechanism, can advance line location to radar sensor fast, guarantee radar sensor and remove the stability of in-process, secondly, utilize adjustable complementary unit, can make the state when simulation car removes, and drive radar sensor and remove in-process and vibrations simultaneously, make the state of simulation car travel in-process vibrations, and discern the barrier plate in the place ahead, excellent in detection effect, furthermore, during the different road conditions of simulation, need detect according to the range of vibration of difference, adjust to when being closer apart from the cam when the regulating block, then radar sensor removes and the range of simulation vibrations is big more, adjust to when being far away from the cam when the regulating block, then radar sensor removes and the range of simulation vibrations is little less, make detection range wider, the testing result is more accurate.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic diagram of the inclined top view structure of each component on the top of the inspection table of the present invention;

FIG. 3 is a schematic diagram of the left side view structure of each component in the adjustable auxiliary mechanism and the positioning mechanism of the present invention;

fig. 4 is the structure schematic diagram is looked on each part right side among adjustable complementary unit and the positioning mechanism of the utility model.

In the figure: 1. a detection table; 2. mounting a plate; 21. inserting a block; 22. a barrier plate; 3. a detector; 4. moving the plate; 41. a T-shaped movable plate; 42. a sliding seat; 43. a one-way screw rod I; 44. a motor; 5. a positioning mechanism; 501. positioning a plate; 502. a movable seat; 503. a bidirectional lead screw; 504. a first knob; 505. screwing the nut by hand; 6. an adjustable auxiliary mechanism; 601. an n-shaped rack; 602. a gear; 603. a rotating shaft; 604. a cam; 605. an adjusting block; 606. a first sliding block; 607. a one-way screw rod II; 608. a second knob; 609. a second sliding block; 610. a slide bar; 611. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sensor sensitivity detection device for a fusion type automatic driving vehicle comprises a detection table 1, wherein supporting legs are fixed on the periphery of the bottom end of the detection table 1, a mounting plate 2 is fixed on one side of the top end of the detection table 1, a plurality of inserting blocks 21 are movably inserted into the top end of the mounting plate 2 and arranged at equal intervals, barrier plates 22 are fixed on the bottom ends of the inserting blocks 21, a detector 3 is fixed on the other side of the top end of the detection table 1, a movable plate 4 is connected to the top end of the detection table 1 in a sliding mode, a T-shaped movable plate 41 is connected to the inner portion of the movable plate 4 in a sliding mode, and a movable cavity matched with the T-shaped movable plate 41 is formed in the movable plate 4;

the bottom mounting of removal plate 4 has two vertical sections to be the sliding seat 42 of shape of falling T, detect the top of platform 1 and all seted up the sliding tray with sliding tray 42 matched with, one of them sliding tray 42 goes up screw drive and is connected with one-way lead screw 43, the both ends of one-way lead screw 43 all rotate through the bearing and connect in the sliding tray, a lateral wall that detects platform 1 is fixed with motor 44, the one end of one-way lead screw 43 extends to the outside of detecting platform 1, and link to each other with motor 44's output shaft, radar sensor passes through electric connection between wire and the detector 3, obstacle 22 accessible inserted block 21 activity is pegged graft at mounting panel 2, then can conveniently set up the quantity of obstacle 22, can switch over the required number according to the actual detection condition, detector 3 is prior art's detector 3.

Furthermore, a positioning mechanism 5 convenient for rapidly clamping and positioning the radar sensor is installed at the top of the T-shaped movable plate 41, the positioning mechanism 5 comprises two symmetrically-arranged positioning plates 501 slidably connected to the top end of the T-shaped movable plate 41, moving seats 502 with inverted T-shaped vertical sections are fixed at the bottom ends of the positioning plates 501, moving grooves matched with the two moving seats 502 are formed in the top end of the T-shaped movable plate 41, the two moving seats 502 are connected with the same bidirectional screw rod 503 in a screw transmission manner, two ends of the bidirectional screw rod 503 are rotatably connected in the moving grooves through bearings, one end of the bidirectional screw rod 503 extends to the outer side of the T-shaped movable plate 41 and is fixedly connected with a first knob 504, a first hand-screwed nut 505 spirally connected to the outer side of the bidirectional screw rod 503 is arranged between the first knob 504 and the T-shaped movable plate 41, and the bidirectional screw rod 503 can be prevented from loosening after the first hand-screwed nut 505 is locked, affecting the stability of the radar sensor.

Furthermore, an adjustable auxiliary mechanism 6 is installed between the T-shaped movable plate 41, the movable plate 4 and the detection table 1, the adjustable auxiliary mechanism 6 includes an n-shaped rack 601 fixed on the top end of the detection table 1, a gear 602 is engaged and connected above the n-shaped rack 601, a rotating shaft 603 is fixedly connected in a mounting shaft hole of the gear 602, one end of the rotating shaft 603 is rotatably connected on one side wall of the movable plate 4 through a bearing, a cam 604 is further fixedly connected on the outer side of the rotating shaft 603, an adjusting block 605 slidably connected on one side wall of the T-shaped movable plate 41 is arranged above the cam 604, one end of the adjusting block 605 is fixedly provided with a first sliding block 606 with a T-shaped cross section, a first sliding groove matched with the first sliding block 606 is formed on one side wall of the T-shaped movable plate 41, a second unidirectional lead screw 607 is spirally connected on the first sliding block 606, both ends of the second unidirectional lead screw 607 are rotatably connected in the first sliding groove through a bearing, the top end of the second unidirectional lead screw 607 extends to the outer side of the T-shaped movable plate 41 and is fixedly connected with a second knob 608, two side walls of the T-shaped movable plate 41 are respectively fixed with a second sliding block 609 with a T-shaped cross section, the inner walls of two sides of the movable cavity are respectively provided with a second sliding groove 609 matched with the second sliding block 609, the second sliding blocks 609 are movably sleeved on the outer side of the sliding rod 610, the sliding rod 610 is respectively fixed in the corresponding second sliding groove, a spring 611 sleeved on the outer side of the corresponding sliding rod 610 is arranged between the top end of the second sliding block 609 and the inner top wall of the corresponding second sliding groove, the closer the adjusting block 605 is to the cam 604, the larger the amplitude of the simulated vibration is when the radar sensor moves, the farther the adjusting block 605 is away from the cam 604, and the smaller the amplitude of the simulated vibration is when the radar sensor moves.

In the scheme, when in use, a radar sensor is placed at the top of a T-shaped movable plate 41, a nut 505 is screwed by loosening a hand, a bidirectional screw 503 can be rotated by a knob I504, the bidirectional screw 503 is in screw transmission connection with two movable seats 502, two positioning plates 501 are moved relatively to quickly position the radar sensor, the nut 505 is screwed by locking the hand, the bidirectional screw 503 is further fixed to prevent loosening, the stability of the radar sensor during movement is prevented from being influenced, secondly, a one-way screw 43 is driven to rotate by starting a motor 44, the one-way screw 43 is in screw transmission connection with a sliding seat 42, so that the movable plate 4 can move towards the directions of a plurality of barrier plates 22 by two sliding seats 42 to simulate the state of an automobile during movement, and simultaneously, a gear 602 connected with a rotating shaft 603 is driven to move, because the gear 602 is meshed with the n-shaped rack 601, the rotating shaft 603 rotates during the movement process, and the cam 604 is driven to rotate, the cam 604 can continuously extrude the adjusting block 605, and the arrangement of the second sliding block 609, the sliding rod 610 and the spring 611 is matched, so that the radar sensor can vibrate during the movement process, the vibration state during the driving process of the automobile can be simulated, the obstacle plate 22 in front can be identified, the detection effect is good, furthermore, when different road conditions are simulated, the detection needs to be carried out according to different vibration amplitudes, the second one-way lead screw 607 rotates by twisting the knob, as the second one-way lead screw 607 is in screw transmission connection with the first sliding block 606, the adjusting block 605 can move upwards or downwards, the closer the adjusting block 605 is to the cam 604, the larger the amplitude of the vibration simulated during the movement of the radar sensor is, the farther the adjusting block is from the cam 604, the smaller the amplitude of the simulated vibration is when the radar sensor moves, the wider the detection range and the more accurate the detection result is.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sensor sensitivity detection device for fused autopilot vehicle, includes that the bottom all is fixed with detection platform (1) of supporting legs all around, its characterized in that: the detection device is characterized in that a mounting plate (2) is fixed on one side of the top end of the detection table (1), a plurality of inserting blocks (21) which are arranged at equal intervals are movably inserted into the top end of the mounting plate (2), barrier plates (22) are fixed at the bottom ends of the inserting blocks (21), a detector (3) is fixed on the other side of the top end of the detection table (1), a movable plate block (4) is connected to the top end of the detection table (1) in a sliding mode, a T-shaped movable plate block (41) is connected to the inner portion of the movable plate block (4) in a sliding mode, and a movable cavity matched with the T-shaped movable plate block (41) is formed in the movable plate block (4);

two sliding seats (42) with inverted T-shaped vertical sections are fixed at the bottom ends of the movable plates (4), sliding grooves matched with the sliding seats (42) are formed in the top ends of the detection tables (1), one of the sliding seats (42) is connected with a one-way screw rod I (43) in a screw transmission manner, two ends of the one-way screw rod I (43) are rotatably connected in the sliding groove through bearings, a motor (44) is fixed on one side wall of the detection platform (1), one end of the one-way screw rod I (43) extends to the outer side of the detection platform (1), and link to each other with the output shaft of motor (44), positioning mechanism (5) convenient to carry out quick centre gripping location to radar sensor are installed at the top of T shape activity plate (41), and radar sensor passes through electric connection between wire and detector (3), installs adjustable complementary unit (6) between T shape activity plate (41), removal plate (4) and the detection platform (1).

2. The sensor sensitivity detection device for the fusion-type autonomous vehicle according to claim 1, characterized in that: the positioning mechanism (5) comprises two symmetrically-arranged positioning plates (501) which are connected to the top end of the T-shaped movable plate (41) in a sliding mode, the bottom ends of the positioning plates (501) are respectively fixed with a movable seat (502) with an inverted T-shaped vertical section, and the top end of the T-shaped movable plate (41) is provided with a movable groove matched with the two movable seats (502).

3. The sensor sensitivity detection device for the fusion-type autonomous vehicle according to claim 2, characterized in that: two move seat (502) go up screw drive and be connected with same two-way lead screw (503), the both ends of two-way lead screw (503) all rotate through the bearing and connect in the shifting chute, and the one end of two-way lead screw (503) extends to the outside of T shape activity plate (41) to the rigid coupling has knob (504), is equipped with between knob (504) and T shape activity plate (41) and screws up nut (505) in the hand of screw connection in two-way lead screw (503) outside.

4. The sensor sensitivity detection device for the fusion-type autonomous vehicle according to claim 1, characterized in that: adjustable complementary unit (6) are including fixing n shape rack (601) on examining test table (1) top, and the top meshing of n shape rack (601) is connected with gear (602), and the downthehole rigid coupling of installation of gear (602) has pivot (603), and the one end of pivot (603) is passed through the bearing and is rotated the connection on a lateral wall of moving plate (4), and the outside of pivot (603) still rigid coupling has cam (604).

5. The sensor sensitivity detection device for the fusion-type autonomous vehicle according to claim 4, characterized in that: the top of cam (604) is equipped with regulating block (605) of sliding connection on T shape activity plate (41) a lateral wall, the one end of regulating block (605) is fixed with the slider (606) that the cross section is T shape, set up on the lateral wall of T shape activity plate (41) with slider (606) matched with spout one, screw drive is connected with one-way lead screw two (607) on slider (606), the both ends of one-way lead screw two (607) are all rotated through the bearing and are connected in spout one, the top of one-way lead screw two (607) extends to the outside of T shape activity plate (41), and the rigid coupling has knob two (608).

6. The sensor sensitivity detection device for the fusion-type autonomous vehicle according to claim 1, characterized in that: and two sliding blocks (609) with T-shaped cross sections are fixed on two side walls of the T-shaped movable plate (41), two sliding grooves (609) matched with the sliding blocks (609) are formed in the inner walls of two sides of the movable cavity, the sliding blocks (609) are movably sleeved on the outer side of the sliding rod (610), the sliding rod (610) is fixed in the corresponding sliding groove (610), and a spring (611) sleeved on the outer side of the corresponding sliding rod (610) is arranged between the top end of each sliding block (609) and the inner top wall of the corresponding sliding groove (610).