Testing device for simulating rotating motion imaging scene

Abstract

The utility model discloses a testing device for simulating a rotary motion imaging scene, and the device comprises a roller assembly which is externally provided with a fixing plate for fixing an object to be imaged; the transmission shaft is fixed at a rotating shaft of the roller assembly; and the driving assembly is used for driving the transmission shaft to rotate so as to drive the roller to rotate. The device can continuously operate when a motion scene is simulated in an imaging test, and the requirement of the imaging test under a long-time continuous stable condition is met.

Description

Technical Field

[0001] This utility model belongs to the technical field of imaging performance testing devices for moving objects, and specifically relates to a testing device for simulating rotational motion imaging scenarios. Background Technology

[0002] Typically, testing a camera's imaging performance against moving objects requires real-world testing in motion scenarios, such as sports fields, highways, and spacecraft launch sites. These real-world imaging scenarios have poor stability and continuity, making them unreliable for testing the camera's motion imaging performance.

[0003] When simulating motion scenarios in the laboratory, the "A Motion Fuzzy Test Rail" with application number "CN202322384139.8" is used, which includes: a support, including at least an upper layer and a middle layer; a sliding guide rail located on the upper layer of the support; a fixed seat located on the sliding guide rail to fix the test equipment; a hinge located on the middle layer of the support and fixed to the main gear; a motor located on the middle layer of the support for driving the main gear to rotate; and a connector, one end of which is connected to the hinge and the other end of which is connected to the fixed seat, so that when the hinge rotates, the fixed seat moves accordingly.

[0004] The above-mentioned solution provides movement space for the testing equipment through a bracket and sliding rail. Although it can test various indicators such as the shooting quality and continuity of the camera over a long distance, the rail has a length limitation and cannot perform imaging tests under long-term continuous and stable conditions. Utility Model Content

[0005] To address the shortcomings of existing devices, such as the limited length of the guide rail and the inability to perform imaging tests under long-term continuous and stable conditions, this invention provides a testing device that simulates rotational motion imaging scenarios. This device can operate continuously during imaging tests simulating motion scenarios, thus meeting the requirements for imaging tests under long-term continuous and stable conditions.

[0006] The objective of this utility model is achieved through the following technical solution:

[0007] This utility model provides a testing device for simulating a rotational motion imaging scene, comprising:

[0008] A roller assembly, wherein a fixing plate for fixing the object to be imaged is provided on the outside of the roller assembly;

[0009] A drive shaft, which is fixed at the rotating shaft of the roller assembly;

[0010] A drive assembly for driving the transmission shaft to rotate, thereby causing the drum to rotate.

[0011] In one possible design, the roller assembly includes an inner cylinder, an outer cylinder coaxially arranged with the inner cylinder, and a connector connecting the inner cylinder and the outer cylinder, with the drive shaft fixed to the inner cylinder.

[0012] In one possible design, the drive assembly includes a drive motor, a drive gear fixed on the output shaft of the drive motor, and a driven gear meshing with the drive gear to drive the transmission shaft to rotate.

[0013] In one possible design, a bracket is also included, on which the drive motor is fixed, and a bearing is also fixed on the bracket, with one end of the drive shaft fixed to the bearing.

[0014] Compared with the prior art, this utility model has at least the following advantages and beneficial effects:

[0015] This invention uses a roller and a fixing plate to fix the object to be imaged. In the simulated motion scenario of imaging test, the roller drives the object to be imaged to rotate under the drive component. During continuous operation, it can meet the requirements of imaging test under long-term continuous and stable conditions. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the device for simulating rotational motion imaging according to this utility model;

[0018] Figure 2 This is an exploded view of the device for simulating rotational motion imaging scenes according to this utility model. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0022] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] like Figure 1 , 2 As shown, this utility model discloses a test device for simulating a rotating motion imaging scene, including a roller assembly, a transmission shaft 2, and a drive assembly. The roller assembly has a fixing plate 11 for fixing the object 3 to be imaged; the transmission shaft 2 is fixed at the rotating shaft of the roller assembly; and the drive assembly drives the transmission shaft 2 to rotate, thereby causing the roller to rotate.

[0026] The roller assembly is used to fix the object to be imaged, and to reduce the angular velocity while maintaining a constant linear velocity, thus minimizing the arc of the trajectory for the same distance traveled. This means a shorter radial distance and a trajectory that can be approximated as a straight line, resulting in more accurate measurements. There are various ways to implement a roller assembly, such as using a solid roller. However, when the roller diameter is large, to reduce the overall weight of the roller assembly, lower torque requirements, improve transmission efficiency, and reduce the arc of the motion path, the cylindrical structure design and material selection should prioritize low density, high rigidity, and large diameter. Therefore, the following structures are preferred for roller assemblies:

[0027] The roller assembly includes an inner cylinder, an outer cylinder 1 coaxially arranged with the inner cylinder, and a connector connecting the inner cylinder and the outer cylinder 1. The drive shaft 2 is fixed on the inner cylinder. The outer cylinder 1 has a hollow structure.

[0028] The fixing plate 11 and the object to be imaged 3 are fixed together, keeping them relatively stationary and enabling continuous, controllable movement of the object. This can be achieved by bonding or by using a fixing structure on the fixing plate 11. The fixing structure can be selected based on the specific object to be imaged 3, such as straps or clips.

[0029] The fixing plate 11 can be set as one or more. In order to meet the diverse testing requirements, it is preferable to have multiple fixing plates 11. In this case, the fixing plate 11 has multiple layers, and each layer is provided with at least two fixing plates 11, that is, the fixing plates 11 are arranged in multiple rows and columns.

[0030] In order to reduce the need for complete imaging of the object 3, the fixing plate 11 is perpendicular to the rotation axis of the outer cylinder 1.

[0031] The drive component drives the roller assembly to rotate, and there are many ways to achieve this. Specifically, for example... Figure 1 , 2 As shown, the drive assembly includes a drive motor 31, a drive gear 32 fixed on the output shaft of the drive motor 31, and a driven gear 33 meshing with the drive gear to drive the transmission shaft 2 to rotate.

[0032] The drive motor can be a stepper motor, a servo motor, or a regular AC / DC motor equipped with speed feedback sensors such as encoders. It needs to have controllable speed and torque and be able to work continuously.

[0033] To improve the stability of the entire device, a bracket 4 is also included. The drive motor 31 is fixed on the bracket 4, and a bearing 34 is also fixed on the bracket 4. One end of the transmission shaft 2 is fixed on the bearing 34.

[0034] Using the above device, during operation, the drive motor is controlled to rotate at a specified torque and speed, thereby moving the object to be imaged as required.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A testing device for simulating rotational motion imaging scenarios, characterized in that, include: A roller assembly, wherein a fixing plate (11) for fixing the object to be imaged (3) is provided on the outside of the roller assembly. Drive shaft (2), which is fixed at the rotating shaft of the roller assembly; A drive assembly is used to drive the transmission shaft (2) to rotate so as to drive the drum to rotate.

2. The testing device for simulating a rotational motion imaging scene according to claim 1, characterized in that: The roller assembly includes an inner cylinder, an outer cylinder (1) coaxially arranged with the inner cylinder, and a connecting member connecting the inner cylinder and the outer cylinder (1). The drive shaft (2) is fixed on the inner cylinder.

3. The testing device for simulating a rotational motion imaging scene according to claim 2, characterized in that: The outer cylinder (1) has a hollow structure.

4. A test device for simulating a rotational motion imaging scene according to any one of claims 1 to 3, characterized in that: There are multiple fixing plates (11).

5. The testing device for simulating a rotational motion imaging scene according to claim 4, characterized in that: The fixing plate (11) has multiple layers, and each layer is provided with at least two fixing plates (11).

6. The testing device for simulating a rotational motion imaging scene according to claim 1, characterized in that: The fixing plate (11) is provided with a fixing structure for fixing the object (3) to be imaged.

7. The testing device for simulating a rotational motion imaging scene according to claim 1, characterized in that: The drive assembly includes a drive motor (31), a drive gear (32) fixed on the output shaft of the drive motor (31), and a driven gear (33) meshing with the drive gear to drive the transmission shaft (2) to rotate.

8. The testing device for simulating a rotational motion imaging scene according to claim 7, characterized in that: It also includes a bracket (4), the drive motor (31) is fixed on the bracket (4), and a bearing (34) is also fixed on the bracket (4), and one end of the transmission shaft (2) is fixed on the bearing (34).

Images