CN219143094U

CN219143094U - Novel laser radar device

Info

Publication number: CN219143094U
Application number: CN202223520925.8U
Authority: CN
Inventors: 罗腊
Original assignee: Wuhan Benlian Technology Co ltd
Current assignee: Wuhan Benlian Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-06
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a novel laser radar device, which comprises a laser radar body, wherein a connecting groove is formed in the laser radar body, a signal transmitting hole and a signal receiving hole are formed in the connecting groove, a baffle is arranged in the connecting groove, a fixing seat is arranged at the lower end of the connecting groove, a gear is rotatably connected to the inner part of the fixing seat, a rack is arranged above the gear in a meshed manner, a slot is formed in the upper end of the fixing seat in a penetrating manner, the upper end of the rack is fixedly connected with the baffle in a penetrating manner, a detection signal is transmitted through the signal transmitting hole, a reflected signal is received through the signal receiving hole, normal operation of the whole laser radar is achieved, the signal transmitting hole and the signal receiving hole can be shielded when the signal transmitting hole and the signal receiving hole are not used, accumulation of impurities is reduced, and the detection effect of the laser radar is prevented from being influenced by the impurities.

Description

Novel laser radar device

Technical Field

The utility model relates to the field of laser radars, in particular to a novel laser radar device.

Background

The lidar is a radar system that detects a characteristic quantity such as a position, a speed, etc. of a target by emitting a laser beam. The working principle is that a detection signal (laser beam) is emitted to a target, then the received signal (target echo) reflected from the target is compared with the emission signal, and after proper processing, the related information of the target, such as parameters of the target such as the distance, the azimuth, the height, the speed, the gesture and even the shape, can be obtained, so that the targets such as an airplane, a missile and the like are detected and tracked;

the laser radar consists of a laser transmitter, an optical receiver, a turntable, an information processing system and the like, wherein the laser converts electric pulses into optical pulses to be transmitted, and the optical receiver restores the optical pulses reflected from a target into the electric pulses and sends the electric pulses to the display;

since the lidar needs to transmit a detection signal and receive a reflected signal, the lidar is generally provided with a signal transmitting hole and a signal receiving hole. However, since the signal transmitting hole and the signal receiving hole are exposed for a long time, the laser radar cannot be sealed when not in use, and external impurities and the like are easy to fall into the signal transmitting hole and the signal receiving hole, so that too much impurities accumulate to influence the signal passing through the signal transmitting hole and the signal receiving hole, and further influence the detection effect of the laser radar. But also the use of signal transmitters in the transmitting aperture and signal receivers in the signal receiving aperture.

Disclosure of Invention

The utility model aims to provide a novel laser radar device.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the novel laser radar device comprises a laser radar body, wherein a connecting groove is formed in the laser radar body, a signal transmitting hole and a signal receiving hole are formed in the connecting groove, a baffle is arranged in the connecting groove, a fixing seat is arranged at the lower end of the connecting groove, and a gear is rotatably connected in the fixing seat;

the upper portion meshing of gear is provided with the rack, the fluting has been seted up in the upper end of fixing base, the upper end of rack runs through fluting and baffle fixed connection.

As a further description of the above technical solution: the upper portion of spread groove is provided with the connecting seat, the upper end of baffle runs through the connecting seat and inwards is provided with the slider.

As a further description of the above technical solution: one end of the gear penetrates through the fixing seat and is outwards provided with a rotating rod, and a bearing is arranged at the joint of the rotating rod and the fixing seat.

As a further description of the above technical solution: the other end of the laser radar body is provided with a heat dissipation shell, and four ends of the heat dissipation shell are connected with screws in a threaded manner.

As a further description of the above technical solution: the inside fixedly connected with fixed plate of heat dissipation shell, one side fixedly connected with driving motor of fixed plate, driving motor's output fixedly connected with fan.

As a further description of the above technical solution: the outer end of the heat dissipation shell is provided with a filter screen in a penetrating way.

As a further description of the above technical solution: the two ends of the laser radar body are provided with radiating holes in a penetrating mode, and the lower end of the laser radar body is fixedly connected with a mounting seat.

The utility model has the following beneficial effects:

1. compared with the prior art, the novel laser radar device transmits detection signals through the signal transmitting holes, receives reflected signals through the signal receiving holes, realizes normal operation of the whole laser radar, and can shield the signal transmitting holes and the signal receiving holes when the signal transmitting holes and the signal receiving holes are not used by arranging racks, gears, grooves and baffles, so that accumulation of impurities is reduced, and the influence of the impurities on the detection effect of the laser radar is prevented;

2. compared with the prior art, the novel laser radar device can realize heat dissipation work of the laser radar body by the aid of the heat dissipation shell, the driving motor and the fan, and stability of the whole laser radar in use is guaranteed;

3. compared with the prior art, this novel laser radar device can filter the impurity in the external cold wind through setting up the filter screen, prevents that impurity from entering into the laser radar body and causing the damage to it, and can dismantle the heat dissipation shell through setting up the screw rod and regularly clear up.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further illustrated by the following figures and examples;

FIG. 1 is a schematic diagram of the overall structure of a novel lidar device according to the present utility model;

FIG. 2 is a schematic diagram of a heat dissipation structure of a novel lidar device according to the present utility model;

FIG. 3 is a rear view of a novel lidar device of the present utility model;

FIG. 4 is a perspective view of a novel lidar device of the present utility model;

fig. 5 is a schematic diagram of the structure of fig. 4 a.

Legend description:

1. a lidar body; 2. a connecting seat; 3. a slide block; 4. a signal transmitting hole; 5. a rack; 6. a gear; 7. a connecting groove; 8. a mounting base; 9. a fixing seat; 10. a baffle; 11. a rotating rod; 12. a heat radiation hole; 13. a screw; 14. a driving motor; 15. a fixing plate; 16. a filter screen; 17. a heat dissipation housing; 18. a fan; 19. slotting; 20. a bearing; 21. a signal receiving aperture.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the novel laser radar device comprises a laser radar body 1, wherein a connecting groove 7 is arranged in the laser radar body 1, a signal transmitting hole 4 and a signal receiving hole 21 are arranged in the connecting groove 7, during operation, detection signals are transmitted through the signal transmitting hole 4, reflected signals are received through the signal receiving hole 21, normal detection operation of the whole laser radar is realized, the surface of the internal signal receiving hole 21 receives the reflected signals when the laser radar is not used is subjected to dust accumulation and impurities, workers are required to wipe the laser radar body when the laser radar is used next time, long-term impurity accumulation can influence detection accuracy of the laser radar body 1, a baffle 10 is arranged in the connecting groove 7, a fixed seat 9 is arranged at the lower end of the connecting groove 7, a gear 6 is connected in a rotating manner in the fixed seat 9, the upper end of the gear 6 is meshed with a rack 5, a slot 19 is formed in the upper end of the fixed seat 9 in a penetrating way, the slot 19 is fixedly connected with the baffle 10 in a penetrating way, a connecting seat 2 is arranged above the connecting slot 7, a sliding block 3 is inwards arranged at the upper end of the baffle 10 in a penetrating way, a rotating rod 11 is outwards arranged at one end of the gear 6 in a penetrating way through the fixed seat 9, a bearing 20 is arranged at the joint of the rotating rod 11 and the fixed seat 9, the rotating rod 11 at the outer side rotates the gear 6, the gear 6 can drive the rack 5 at the upper side to move under the meshing effect, the baffle 10 can move left and right along with the rack 5 through the arrangement of the slot 19, the shielding protection effect on a signal receiving hole 21 and a signal transmitting hole 4 is realized, the accumulation of impurities is reduced, the detection effect of the laser radar body 1 is prevented from being influenced by the impurities, the connecting seat 2 and the sliding block 3 at the upper end can ensure the stability of the baffle 10 during movement, the arrangement of the bearing 20 can ensure the connection effect between the rotating rod 11 and the gear 6, and the stability of the rotating rod 11 during rotation can be ensured;

the laser radar device comprises a laser radar body 1, a heat dissipation shell 17 is arranged at the other end of the laser radar body 1, a screw 13 is connected with four ends of the heat dissipation shell 17 in a threaded manner, a fixing plate 15 is fixedly connected inside the heat dissipation shell 17, a driving motor 14 is fixedly connected to one side of the fixing plate 15, a fan 18 is fixedly connected to the output end of the driving motor 14, a filter screen 16 is arranged at the outer end of the heat dissipation shell 17 in a penetrating manner, the driving motor 14 inside the heat dissipation shell 17 can be started when the laser radar body 1 is used, the driving motor 14 can enable the fan 18 to rotate, so that external cold air is fed into the laser radar body 1 for heat dissipation, heat in the heat dissipation holes 12 at the two ends can be discharged, the air cooling circulation heat dissipation process of the laser radar body 1 is realized, the stability and the heat dissipation performance of the whole laser radar body 1 in use are guaranteed, impurities in the external cold air can be filtered through the filter screen 16, the impurities are prevented from entering the laser radar body 1 to be damaged, and the screw 13 is arranged outside the heat dissipation shell 17 can be detached from the laser radar body 1 for periodic cleaning;

the both ends of laser radar body 1 run through and are provided with louvre 12, and the lower extreme fixedly connected with mount pad 8 of laser radar body 1 can discharge the inside heat of laser radar body 1 through louvre 12 to can install the whole device in suitable position through mount pad 8, guarantee the normal steady operation of laser radar body 1.

Working principle: when the device is used, first, the whole laser radar body 1 is installed in the suitable position through mount pad 8, at the during operation, transmit detection signal through signal transmission hole 4, receive reflected signal through signal receiving hole 21, realize the normal detection work of its whole laser radar, when not using, rotate outside bull stick 11 and make inside gear 6 rotate, can make gear 6 drive rack 5 of top remove under the effect of meshing, through the setting of fluting 19, can make baffle 10 carry out the horizontal movement work along with rack 5, realize the shielding guard action to signal receiving hole 21 and signal transmission hole 4, reduce the accumulation of impurity, prevent that the impurity from influencing the detection effect of laser radar body 1, and can start the driving motor 14 of heat dissipation shell 17 inside when using, driving motor 14 can make fan 18 rotate, thereby send into the inside of laser radar body 1 with external cold wind and carry out the heat dissipation work, and the heat dissipation hole 12 at both ends can discharge the inside, realize the process of its forced air cooling circulation, guarantee the stability of whole radar body 1 when using and the setting up through the filter screen 16 and can prevent that the impurity from getting into the laser radar body 1 through the filter screen, prevent that the impurity from causing the external impurity damage to the laser radar body 1.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a novel laser radar device, includes laser radar body (1), its characterized in that: the laser radar device comprises a laser radar body (1), and is characterized in that a connecting groove (7) is formed in the laser radar body (1), a signal transmitting hole (4) and a signal receiving hole (21) are formed in the connecting groove (7), a baffle (10) is arranged in the connecting groove (7), a fixing seat (9) is arranged at the lower end of the connecting groove (7), and a gear (6) is rotatably connected in the fixing seat (9);

the upper portion meshing of gear (6) is provided with rack (5), fluting (19) have been run through to the upper end of fixing base (9), the upper end of rack (5) runs through fluting (19) and baffle (10) fixed connection.

2. The novel laser radar device according to claim 1, wherein a connecting seat (2) is arranged above the connecting groove (7), and a sliding block (3) is inwards arranged at the upper end of the baffle plate (10) penetrating through the connecting seat (2).

3. The novel laser radar device according to claim 1, wherein one end of the gear (6) penetrates through the fixing seat (9) and is provided with a rotating rod (11) outwards, and a bearing (20) is arranged at the joint of the rotating rod (11) and the fixing seat (9).

4. The novel laser radar device according to claim 1, wherein a heat dissipation housing (17) is arranged at the other end of the laser radar body (1), and a screw (13) is connected to four-end threads of the heat dissipation housing (17).

5. The novel laser radar device according to claim 4, wherein a fixing plate (15) is fixedly connected to the inside of the heat dissipation housing (17), a driving motor (14) is fixedly connected to one side of the fixing plate (15), and a fan (18) is fixedly connected to the output end of the driving motor (14).

6. The novel laser radar device according to claim 4, wherein the outer end of the heat dissipation housing (17) is provided with a filter screen (16) in a penetrating manner.

7. The novel laser radar device according to claim 1, wherein heat dissipation holes (12) are formed through two ends of the laser radar body (1), and a mounting seat (8) is fixedly connected to the lower end of the laser radar body (1).