CN205890755U - Roof camera device - Google Patents

Abstract

The utility model discloses a roof camera device, including base, roof -rack, yun tai, link mechanism, camera and first motor, first motor is installed horizontally on the base and the output shaft of first motor is connected with link mechanism, and the base passes through link mechanism with the roof -rack and hinges, and the cloud platform is installed on the roof -rack, and the camera is installed at cloud platform front end. The utility model discloses simple structure, control is convenient, stable, and transmission efficiency is high, and the cost is lower, but the wide application is in the trade is made a video recording to the roof.

Description

A roof camera

technical field

The utility model relates to the field of vehicle imaging, in particular to a vehicle roof imaging device.

Background technique

With the increase of private vehicles year by year, urban road congestion is common. In the case of road congestion, drivers hope to observe the traffic conditions in the distance ahead in order to control the traffic jam time. In this case, the driver only It is inconvenient to get out of the car to observe, especially in hot summer and cold winter. As "self-driving travel" has gradually become a common way of travel, for the scenery along the way, the angle of view of the passengers in the car from the window is limited. It is extremely inconvenient and unsafe to get out of the car for observation. In the prior art, there have also been some devices used for taking pictures on the roof of the vehicle. The mainstream structure is to set up an electric lifting platform to cooperate with the camera to realize shooting in a large angle range. This kind of electric lifting platform mainly uses bevel gears and screw rods for power transmission. This scheme has a complex mechanical structure, but the transmission efficiency is low. In order to ensure that the plane of the platform remains horizontal during the movement, the bevel gears and screw rods are The installation and positioning accuracy requirements are relatively high, and the cost is relatively high.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide a vehicle roof camera device.

The technical scheme that the utility model solves its technical problem adopts is:

A vehicle roof camera device, comprising a base, a top frame, a cloud platform, a link mechanism, a camera and a first motor, the first motor is horizontally installed on the base and the output shaft of the first motor is connected to the link mechanism, The base and the top frame are hinged through a link mechanism, the pan-tilt is installed on the top frame, and the camera is mounted on the front end of the pan-tilt.

Further, the connecting rod mechanism adopts different plane connecting rod mechanism.

Further, the different-plane linkage mechanism includes a driving swing arm and two driven swing arms that are not coplanar, and the driving swing arm and the two driven swing arms are parallel to each other and have equal lengths.

Further, one end of the active swing arm is connected to the output shaft of the first motor, the other end is hinged to the top frame, and the two ends of the driven swing arms are hinged to the base and the top frame respectively.

Further, it also includes a second motor installed on the lower end surface of the top frame, the output shaft of the second motor is connected with the pan-tilt.

Further, the base is provided with a limiting top column.

Further, the first motor is a servo motor with an absolute encoder.

The beneficial effects of the utility model are: a roof camera device of the utility model, comprising a base, a top frame, a cloud platform, a connecting rod mechanism, a camera and a first motor, the first motor is horizontally installed on the base and The output shaft of the first motor is connected with the link mechanism, the base and the top frame are hinged through the link mechanism, the pan-tilt is installed on the top frame, and the camera is installed at the front end of the pan-tilt. The device has the advantages of simple structure, convenient and stable control, small volume in a folded state, high transmission efficiency and low cost.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic structural view of a vehicle roof camera device of the present invention;

Fig. 2 is a schematic diagram of the pan-tilt rotation state of a vehicle roof camera device of the present invention;

Fig. 3 is a schematic diagram of the working principle of the different-plane link mechanism of the vehicle roof camera device of the present invention.

detailed description

With reference to Fig. 1, the utility model provides a kind of roof camera device, comprises base 1, top frame 2, cloud platform 3, link mechanism, video camera 4 and first motor 5, and described first motor 5 is horizontally installed on On the base 1 and the output shaft of the first motor 5 is connected with the link mechanism, the base 1 and the top frame 2 are hinged through the link mechanism, the cloud platform 3 is installed on the top frame 2, and the camera 4 is installed on the cloud platform. Desk 3 front end.

As a further preferred embodiment, the link mechanism adopts a different-plane link mechanism.

Further as a preferred embodiment, the different-plane linkage mechanism includes a driving swing arm 6 and two driven swing arms 7 that are not coplanar, and the driving swing arm 6 and the two driven swing arms 7 are both The two are parallel to each other and equal in length.

Further as a preferred embodiment, one end of the active swing arm 6 is connected to the output shaft of the first motor 5, the other end is hinged to the top frame 2, and the two ends of the driven swing arms 7 are respectively connected to the base 1 and Top shelf 2 hinged.

Further as a preferred embodiment, it also includes a second motor 8 installed on the lower end surface of the top frame 2, the output shaft of the second motor 8 is connected with the cloud platform 3 for driving the platform 3 to rotate on the top frame 2, as shown in picture 2.

As a further preferred embodiment, the base 1 is provided with a limiting push post 9 .

As a further preferred embodiment, the first motor 5 is a servo motor with an absolute encoder.

Below in conjunction with detailed embodiment the utility model is described further.

Referring to Fig. 1 and Fig. 2, a kind of vehicle roof camera device comprises a base 1, a top frame 2, a cloud platform 3, a link mechanism, a camera 4, a first motor 5 and a second motor 8 installed on the bottom surface of the top frame 2, The first motor 5 is installed horizontally on the base 1 and the output shaft of the first motor 5 is connected with the linkage mechanism. The base 1 and the top frame 2 are hinged through the linkage mechanism. At the front end of the pan-tilt 3, the output shaft of the second motor 8 is connected to the pan-tilt 3, and the second motor 8 is used to drive the pan-tilt 3 to rotate on the top frame 2, thereby driving the camera 4 to realize a nearly 180° rotation shooting of the main front . The first motor 5 and the second motor 8 are servo motors with absolute encoders. Combined with conventional mathematical calculations, the up and down moving distance of the camera 4 can be controlled by controlling the moving distance of the absolute encoder.

The base 1 is provided with a limit top post 9, which can play a supporting role when the top frame 2 drops to the lowest position after the device is powered off. Specifically, an accommodating groove can also be provided on the base 1, so that when the top frame 2 is lowered to the lowest position, the platform 3 can be completely accommodated in the accommodating groove.

The link mechanism of this embodiment adopts a different-plane link mechanism, including an active swing arm 6 and two driven swing arms 7 that are not coplanar, and the active swing arm 6 and the two driven swing arms 7 are parallel to each other and equal in length. Specifically, one end of the active swing arm 6 is connected to the output shaft of the first motor 5 , the other end is hinged to the top frame 2 , and the two ends of the driven swing arms 7 are hinged to the base 1 and the top frame 2 respectively. In this embodiment, the way of hinge is to realize the hinge connection with the pin shaft of the fixed hinge support 10 illustrated in FIG. 1 .

The schematic diagram of the working principle of the different-plane linkage mechanism of this embodiment is shown in FIG. 3 . In FIG. 3 , L1 represents the length of the active swing arm 6 , and L2 and L3 represent the lengths of the two driven swing arms 7 respectively. The active swing arm 6 and the two driven swing arms 7 are not in the same plane, and the two are parallel to each other and have the same length, and the joints of the hinges at both ends are in the same plane. The folding operation of the rod mechanism, and during the movement of the three swing arms, can ensure that the cloud platform 3 is always in a horizontal state. The rise or fall of the top frame 2 is driven by the three swing arms, thereby driving the camera 4 on the cloud platform 3 to move up and down, and the second motor 8 drives the cloud platform 3 to rotate on the top frame 2, which can drive the camera 4 to move horizontally direction of rotation. Therefore, this vehicle roof camera device can drive the camera 4 to move in the horizontal and vertical directions, thereby realizing the camera of a wide range of angles. Low.

The above is a specific description of the preferred implementation of the utility model, but the invention is not limited to the embodiments, and those skilled in the art can also make various equivalent deformations or replacements without violating the spirit of the utility model , these equivalent modifications or replacements are all included within the scope defined by the claims of the present application.

Claims (7)

1. a kind of roof camera head is it is characterised in that include base, upper frame, head, linkage, video camera and the first electricity Machine, described first motor is horizontally mounted on base and the output shaft of the first motor is connected with linkage, described base with Upper frame is hinged by linkage, and described head is arranged on upper frame, and described video camera is arranged on head front end.

2. a kind of roof camera head according to claim 1 is it is characterised in that described linkage adopts antarafacial connecting rod Mechanism.

3. a kind of roof camera head according to claim 2 is it is characterised in that described antarafacial linkage is included not altogether One active swing arm in face and two driven swing arms, described active swing arm and two described driven swing arms are parallel to each other and long two-by-two Degree is equal.

4. a kind of roof camera head according to claim 3 is it is characterised in that one end and first of described active swing arm The output shaft of motor connects, and the other end is hinged with upper frame, and the two ends of two described driven swing arms are hinged with base and upper frame respectively.

5. a kind of roof camera head according to claim 1 is it is characterised in that also include being arranged on upper frame lower surface Second motor, the output shaft of described second motor is connected with head.

6. a kind of roof camera head according to claim 1 is it is characterised in that described base is provided with spacing fore-set.

7. a kind of roof camera head according to claim 1 is it is characterised in that described first motor is definitely compiled using band The servomotor of code device.