阅读说明：本技术 多角度自拍系统 (Multi-angle self-shooting system ) 是由 杜洋 于淼 谢攀 耿志卿 张玉花 朱新波 徐亮 陆希 陈晓 于 2021-08-26 设计创作，主要内容包括：本发明提供了一种多角度自拍系统,包括连接关节、加热装置、连接杆、拍摄装置以及拉伸调节装置,连接关节用于连接安装基座和连接杆,或者是连接关节用于连接相邻的两个连接杆,连接关节由形状记忆聚合物材料制成,连接关节在加热后能够发生形变；加热装置设置在连接杆的端部,加热装置与连接关节呈对应设置,拍摄装置安装在连接杆上,拉伸调节装置用于对拍摄装置的位置进行微调。通过加热后能够发生形变的连接关节、连接杆以及加热装置配合,实现了在探测器飞行过程中,可根据活动节点的位置以及展开时间,设计装置相应的展开顺序及角度,有助于实现拍摄装置在空间内展开进行多角度拍摄,进而有助于提高自拍系统的适用性。(The invention provides a multi-angle self-photographing system which comprises a connecting joint, a heating device, connecting rods, a photographing device and a stretching adjusting device, wherein the connecting joint is used for connecting a mounting base and the connecting rods, or the connecting joint is used for connecting two adjacent connecting rods and is made of a shape memory polymer material, and the connecting joint can deform after being heated; heating device sets up the tip at the connecting rod, and heating device is corresponding the setting with the joint, shoots the device and installs on the connecting rod, and tensile adjusting device is used for finely tuning the position of shooting the device. Can take place the cooperation of the joint of connection, connecting rod and the heating device of deformation after heating, realized at the detector flight in-process, can be according to the position and the expansion time of activity node, the corresponding expansion order of design device and angle help realizing that the shooting device expandes in the space and carries out the multi-angle and shoot, and then help improving the suitability of auto heterodyne system.)

1. The multi-angle self-timer system is characterized by comprising a connecting joint (1), a heating device (2), connecting rods (3), a shooting device (4) and a stretching adjusting device (5), wherein the connecting joint (1) is used for connecting a mounting base (6) and the connecting rods (3), or the connecting joint (1) is used for connecting two adjacent connecting rods (3), the connecting joint (1) is made of a shape memory polymer material, and the connecting joint (1) can deform after being heated;

heating device (2) set up the tip at connecting rod (3), heating device (2) are corresponding the setting with connecting joint (1), install on connecting rod (3) shooting device (4), just tensile adjusting device (5) are used for finely tuning the position of shooting device (4).

2. A multi-angle self-timer system as claimed in claim 1, wherein the connecting rod (3) is internally provided with a metal wire, both ends of the connecting rod (3) are provided with electrical interfaces, the connecting joint (1) is internally provided with a wire, and the wire inside the connecting joint (1) is connected with the electrical interfaces on the connecting rod (3) to form a passage.

3. A multi-angle self-timer system as claimed in claim 2, wherein the heating means (2) is installed inside the corresponding connection joint (1), and the heating means (2) is electrically connected to the corresponding electrical interface.

4. A multi-angle self-timer system as claimed in claim 2, wherein the tension adjusting means (5) is made of piezoelectric material, and both ends of the tension adjusting means (5) are electrically connected to metal wires inside the connecting rod (3), respectively.

5. A multi-angle self-timer system as claimed in claim 4, wherein both ends of the stretching adjusting device (5) are provided with switches.

6. A multi-angle self-timer system as claimed in claim 1, wherein the connection joint (1) comprises a first joint and/or a second joint (12), the first joint rotates and unfolds in a plane in which the first joint is located after being heated; after the second joint (12) is heated, the second joint (12) is unfolded around the axis parallel to the connecting rod (3).

7. A multi-angle self-timer system as claimed in claim 1, wherein the camera (4) is mounted at an end of the connecting rod (3) remote from the mounting base (6), the camera (4) is in signal connection with the detector, and the image obtained by the camera (4) can be transmitted into the detector.

8. A multi-angle self-timer system according to claim 1, wherein the camera (4) comprises an optical camera.

9. A multi-angle self-timer system as claimed in claim 1, wherein the camera (4) performs information transmission such as image command with the detector body.

10. The multi-angle self-timer system as claimed in claim 1, wherein the stretching adjusting device (5) comprises a plurality of unfolding rods (51), any two adjacent unfolding rods (51) are hinged, one end of the stretching adjusting device (5) is hinged with the connecting rod (3) provided with the shooting device (4), and the other end of the stretching adjusting device (5) is hinged with one connecting rod (3) adjacent to the connecting rod (3) provided with the shooting device (4).

Technical Field

The invention relates to the technical field of shooting, in particular to the technical field of deep space exploration, and particularly relates to a multi-angle self-shooting system.

Background

Deep space exploration is an important part for the construction of strong aerospace countries, but because the distance between the earth and each big planet is relatively long, the detector often needs to use the planet for multiple times to assist the force and the like, and the time for the detector to fly to the target planet is longer. And the moving parts on the detector are subjected to long-time radiation and the like, which may cause that the moving parts cannot perform unfolding, separating and the like at the preset time node. At present, in order to ensure the safe flight of the detector, the motion condition of the relevant movable part is usually monitored in the form of self-timer shooting and the like.

The existing Chinese patent with publication number CN111071484B discloses a space unfolding mechanism and unfolding method based on shape memory polymer composite material, wherein the unfolding mechanism comprises an alloy base, 45-degree hinges and a rod system, the rod system comprises a plurality of 180-degree hinges and a plurality of composite material hollow rods, two adjacent composite material hollow rods are connected through one 180-degree hinge, the composite material hollow rods of the space unfolding mechanism in a folded state are arranged in parallel from bottom to top, the 45-degree hinges and the 180-degree hinges respectively comprise alloy conversion heads and sheet layers made of shape memory polymer composite material, and two ends of each sheet layer made of shape memory polymer composite material are respectively connected with structures at corresponding positions through one alloy adapter.

The inventor considers that the shooting system in the prior art only supports shooting at a single angle and only supports one in-plane expansion, so that the applicability is poor, and the improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a multi-angle self-shooting system.

The multi-angle self-timer system comprises a connecting joint, a heating device, a connecting rod, a shooting device and a stretching adjusting device, wherein the connecting joint is used for connecting a mounting base and the connecting rod, or the connecting joint is used for connecting two adjacent connecting rods, the connecting joint is made of a shape memory polymer material, and the connecting joint can deform after being heated; the heating device is arranged at the end part of the connecting rod, the heating device and the connecting joint are correspondingly arranged, the shooting device is installed on the connecting rod, and the stretching adjusting device is used for finely adjusting the position of the shooting device.

Preferably, a metal wire is arranged inside the connecting rod, electrical interfaces are arranged at two ends of the connecting rod, a wire is arranged inside the connecting joint, and the wire inside the connecting joint is connected with the electrical interfaces on the connecting rod to form a passage.

Preferably, the heating device is installed inside the corresponding connecting joint, and the heating device is electrically connected with the corresponding electrical interface.

Preferably, the stretching adjusting device is made of a piezoelectric material, and two ends of the stretching adjusting device are respectively and electrically connected with the metal wires in the connecting rod.

Preferably, both ends of the stretching adjusting device are provided with switches.

Preferably, the connecting joint comprises a first joint and/or a second joint, and after the first joint is heated, the first joint rotates and unfolds in a plane in which the first joint is located; after the second joint is heated, the second joint is unfolded around the axis of the second joint parallel to the connecting rod.

Preferably, the shooting device is installed at one end of the connecting rod far away from the installation base, the shooting device is in signal connection with the detector, and an image obtained by the shooting device can be transmitted into the detector.

Preferably, the photographing device includes an optical camera.

Preferably, the shooting device and the detector body perform information transmission such as image commands.

Preferably, tensile adjusting device includes many expansion rods, arbitrary adjacent two the expansion rods all articulate the connection, tensile adjusting device's one end is connected with the connecting rod of installing the shooting device is articulated, tensile adjusting device's the other end is connected with a connecting rod that the connecting rod that installs the shooting device is adjacent is articulated.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the matching of the connecting joint, the connecting rod and the heating device which can deform after being heated, the corresponding unfolding sequence and angle of the device can be designed according to the position and the unfolding time of the movable node in the flying process of the detector, so that the shooting device can be unfolded in space to carry out multi-angle shooting, and the applicability of a self-shooting system can be improved;

2. the stretching adjusting device is composed of the two unfolding rods, is made of the piezoelectric material, has the property of shrinking after being electrified, and controls the shrinkage of the stretching adjusting device by controlling the on-off current of the piezoelectric material, so that the included angle between the two unfolding rods is controlled, the stability of an observation angle is improved, and the secondary fine adjustment effect is realized;

3. the first joint and the second joint are matched, so that the expansion degree of the self-photographing system in the space is improved, the photographing angle of the photographing device is expanded, and the applicability of the self-photographing system is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of an overall structure of a multi-angle self-photographing system according to the present invention;

FIG. 2 is a schematic view of the overall configuration of a self-timer system of the present invention mainly embodied with a first joint and a second joint;

fig. 3 is an expanded view showing the overall structure of a self-timer system having a first joint according to the present invention.

Shown in the figure:

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

As shown in FIGS. 1 and 2, the multi-angle self-timer system provided by the present invention comprises a joint 1, a heating device 2, a connecting rod 3, a camera 4 and a stretching adjusting device 5, and is mounted on a detector.

The connecting joint 1 can be connected with a mounting base 6 and connecting rods 3 on the detector, the connecting joint 1 can also be connected with two adjacent connecting rods 3, and the connecting joint 1 is made of shape memory polymer materials. The connection joint 1 is in a furled state when not unfolded, and can be slowly unfolded and kept at a certain angle after being heated.

The heating device 2 can control the heater to generate heat through the control module, one heating device 2 is installed at two ends of any connecting rod 3, the heating device 2 is installed inside the connecting joint 1, the heating device 2 is powered on, and the control module controls the heater to generate heat to heat the connecting joint 1 to a preset temperature, so that the connecting joint 1 is unfolded.

The connecting rod 3 is made of light carbon fiber materials, has certain working strength and can play a role in connecting and supporting. The metal wire is embedded in the connecting rod 3, electrical interfaces are arranged at two ends of the connecting rod 3, the wire is arranged in the connecting joint 1, and the wire in the connecting joint 1 is connected with the electrical interfaces on the connecting rod 3 to form a passage. The heating device 2 is electrically connected with the electrical interface of the end of the corresponding connecting rod 3, and the electric power on the detector can be transmitted to the heating device 2 through the passage formed by the metal wire.

The shooting device 4 is an optical self-timer camera, the shooting device 4 is in signal connection with the detector, and the shooting device 4 can transmit the obtained image into the detector. In the initial state, the lens of the photographing device 4 is directed to the probe.

The stretching adjusting device 5 is made of piezoelectric materials such as piezoelectric ceramics, the stretching adjusting device 5 comprises two unfolding rods 51, one end of one unfolding rod 51 is hinged with the middle of the connecting rod 3 provided with the shooting device 4, one end of the other unfolding rod 51 is hinged with the middle of the connecting rod 3 adjacent to the connecting rod 3 provided with the shooting device 4, and the other ends of the two unfolding rods 51 are hinged with each other. The two deployment rods 51 are initially folded at a fixed angle and the two deployment rods 51 can be deployed at one hundred eighty degrees and are in tension.

The two unfolding rods 51 are hinged with the connecting rod 3, and one ends of the two unfolding rods are provided with on-off switches and connected with metal wires inside the connecting rod 3. Because the expansion rods 51 are made of piezoelectric materials such as piezoelectric ceramics, the expansion rods have the property of contracting after being electrified, and the contraction quantity is controlled by controlling the on-off current of the piezoelectric materials of the expansion rods 51, so that the included angle between the two expansion rods 51 is controlled, and the effects of stabilizing the observation angle and finely adjusting the observation angle for the second time are achieved.

As shown in fig. 2 and 3, four connecting rods 3 are mounted on the mounting base 6, the connecting joints 1 include a first joint 11 and a second joint 12, the first joint 11 is U-shaped, the second joint 12 is different U-shaped, and the four connecting rods 3 are arranged in parallel under the action of the four connecting joints 1.

Any first joint 11 can be rotated and unfolded to ninety degrees in the plane in which it lies and maintained when the heater is energized to heat it. Any second joint 12 can be unfolded ninety degrees around its axis parallel to the connecting rod 3 and held while the heater is energized to heat it. And any of the first joint 11 and the second joint 12 can be deployed individually or sequentially.

After the connecting joints 1 of the two connecting rods 3 positioned at the outermost side are unfolded, the switches on the two unfolding rods 51 are turned on to electrify the two unfolding rods 51, so that the two unfolding rods 51 are unfolded until the included angle is one hundred eighty degrees and are in a pulled state, and the effects of stabilizing the observation angle and performing secondary fine adjustment are achieved.

Variation example

As shown in fig. 3, the number of the connecting rods 3 and the connecting joints 1 can be increased or decreased as required, and the connecting joints 1 in a group of multi-angle self-photographing system can be all the first joints 11 or all the second joints 12.

Principle of operation

When the heating device is used, the control module of the heating device 2 controls the heating block to heat the connecting joint 1, and when the first joint 11 is heated, the first joint 11 rotates and unfolds to ninety degrees in the plane where the first joint is located and keeps; when second joint 12 is heated, second joint 12 can expand ninety degrees and keep around its axis that is on a parallel with connecting rod 3 to realize that the multi-angle is from shooting system and can slowly expand no impact, and possess multi-angle regulatory function, and through the cooperation of two expansion pole 51, realize secondary angle fine setting function.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.