CN110456830A - Sun-orientation driving system of a solar sail panel and its sun-orientation method - Google Patents
Sun-orientation driving system of a solar sail panel and its sun-orientation method Download PDFInfo
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Abstract
本发明公开了一种太阳能帆板对日定向驱动系统及其对日定向方法，系统包括第一合页、第二合页、滑环、电机、太阳能展开阵和对日定向检测系统，电机的输出轴与滑环的转子的内端固定连接，滑环的转子的外端与第二合页固定连接，第一合页与第二合页铰接，太阳能展开阵与第一合页固定连接，对日定向检测系统设置于太阳能展开阵上，其能够检测出太阳光线是否与太阳能展开阵的轴向垂面平行，若太阳光线不与太阳能展开阵的轴向垂面平行，电机驱动所述太阳能展开阵围绕电机的输出轴转动直至太阳光线与太阳能展开阵的轴向垂面平行。该系统能够快速、有效地检测出太阳能展开阵是否处于接收太阳光的最佳位置并进行对日定向调节。
The invention discloses a sun orientation driving system of a solar sail panel and a sun orientation method thereof. The output shaft is fixedly connected to the inner end of the rotor of the slip ring, the outer end of the rotor of the slip ring is fixedly connected to the second hinge, the first hinge is hinged to the second hinge, and the solar array is fixedly connected to the first hinge. The solar orientation detection system is set on the solar array, which can detect whether the sun's rays are parallel to the axial vertical plane of the solar array, if the sun's rays are not parallel to the axial vertical plane of the solar array, the motor drives the solar array The deployment array rotates around the output shaft of the motor until the sun's rays are parallel to the axial vertical plane of the solar deployment array. The system can quickly and effectively detect whether the solar array is in the best position to receive sunlight and adjust its orientation to the sun.
Description
技术领域technical field
本发明涉及卫星技术领域,具体涉及一种太阳能帆板对日定向驱动系统及其对日定向方法。The invention relates to the technical field of satellites, in particular to a sun-oriented drive system for a solar sail panel and a sun-oriented method thereof.
背景技术Background technique
从20世纪90年代开始，微小卫星成为世界航天工业的研究重点之一，我国近几年来微小卫星行业的发展也是突飞猛进，微小卫星已从创新概念、系统设计、技术实现、飞行实验发展到具体空间应用。因此，它们也需要具有越来越高的功能密度，传统微小卫星上的体装电池阵和和展开电池阵已经越来越无法满足电能的需求。目前太阳能帆板驱动装置广泛应用于百公斤级以上的大卫星上，立方星上的太阳能帆板驱动装置研究较少。美国Honeybee公司研发了双单元立方星太阳能阵列驱动器并投入市场，该装置结构较为简单，无滑环，只能帆板实现正负180度旋转，无法实现帆板自由转动。专利号CN201610414531.4公布了一种卫星对日定向控制系统及其控制方法，其主要是通过星敏太敏等传感器计算太阳的位置，然后通过控制卫星姿态使得帆板对日定向，该系统结构复杂，而且卫星姿态不断调整会降低动量轮等姿控部件的寿命。Since the 1990s, microsatellites have become one of the research priorities of the world's aerospace industry. In recent years, the development of my country's microsatellite industry has also advanced by leaps and bounds. Microsatellites have developed from innovative concepts, system design, technical realization, and flight experiments to specific space. application. Therefore, they also need to have higher and higher functional density, and the body-mounted battery arrays and deployed battery arrays on traditional microsatellites are increasingly unable to meet the demand for electrical energy. At present, the solar sail driving device is widely used on large satellites of more than 100 kilograms, and the research on the solar sail driving device on the cube star is less. The American Honeybee company has developed a dual-unit cube star solar array driver and put it on the market. This device has a relatively simple structure and no slip rings. It can only rotate the sailboard by plus or minus 180 degrees, and cannot rotate the sailboard freely. Patent No. CN201610414531.4 discloses a satellite-to-sun orientation control system and its control method, which mainly calculates the position of the sun through sensors such as star-sensitive and too-sensitive, and then controls the attitude of the satellite to make the sailboard oriented to the sun. The structure of the system Complicated, and the constant adjustment of satellite attitude will reduce the life of attitude control components such as momentum wheels.
发明内容Contents of the invention
本发明的目的在于提供一种太阳能帆板对日定向驱动系统及其对日定向方法。The object of the present invention is to provide a sun-oriented drive system for solar sail panels and a sun-oriented method thereof.
为了实现上述目的，本发明采用的技术方案如下：In order to achieve the above object, the technical scheme adopted in the present invention is as follows:
一种太阳能帆板对日定向驱动系统，包括第一合页、转轴、扭簧、第二合页、夹块、滑环、电机、太阳能展开阵和对日定向检测系统，所述夹块、滑环、电机设置于卫星内部，电机的输出轴与滑环的转子的内端固定连接，所述夹块包覆在所述滑环的定子的外部，所述滑环的转子的外端与第二合页固定连接，所述第二合页上设置有第二合页转轴孔，所述第一合页上设置有第一合页转轴孔，所述转轴穿过第二合页转轴孔和第一合页转轴孔从而实现第一合页与第二合页的铰接，所述扭簧套设于转轴的外部，所述太阳能展开阵与第一合页固定连接，所述对日定向检测系统设置于所述太阳能展开阵上，所述对日定向检测系统能够检测出太阳光线是否与所述太阳能展开阵的轴向垂面平行，所述太阳能展开阵的轴向垂面垂直于所述太阳能展开阵的阵面且经过或平行于所述电机的输出轴的中心轴线。A sun-oriented drive system for solar sail panels, including a first hinge, a rotating shaft, a torsion spring, a second hinge, a clamp block, a slip ring, a motor, a solar array and a sun-oriented detection system, the clamp block, The slip ring and the motor are arranged inside the satellite, the output shaft of the motor is fixedly connected to the inner end of the rotor of the slip ring, the clamp block is covered on the outside of the stator of the slip ring, and the outer end of the rotor of the slip ring is connected to the The second hinge is fixedly connected, the second hinge is provided with a second hinge shaft hole, the first hinge is provided with a first hinge shaft hole, and the shaft passes through the second hinge shaft hole and the first hinge shaft hole so as to realize the hinge between the first hinge and the second hinge, the torsion spring is sleeved on the outside of the shaft, the solar deployment array is fixedly connected to the first hinge, and the solar orientation The detection system is arranged on the solar energy deployment array, and the sun orientation detection system can detect whether the sun's rays are parallel to the axial vertical plane of the solar energy deployment array, and the axial vertical plane of the solar energy deployment array is perpendicular to the The front surface of the solar energy deployment array passes through or is parallel to the central axis of the output shaft of the motor.
进一步地，所述对日定向检测系统包括第一光敏二极管、第二光敏二极管和挡光板，所述第一光敏二极管和第二光敏二极管分别对称紧靠于挡光板的两侧设置，所述挡光板垂直于所述太阳能展开阵的阵面设置且所述太阳能展开阵的轴向垂面与所述挡光板垂直于所述太阳能展开阵阵面的中心面平行或重合。Further, the sun orientation detection system includes a first photodiode, a second photodiode and a light baffle, the first photodiode and the second photodiode are symmetrically arranged on both sides of the light baffle, The light board is arranged perpendicular to the front of the solar deployment array, and the axial vertical plane of the solar deployment array is parallel to or coincident with the central plane of the light blocking plate perpendicular to the solar deployment array.
进一步地，所述转轴包括第一转轴和第二转轴，所述扭簧包括第一扭簧和第二扭簧，第一转轴和第二转轴分别位于第二合页的两侧，第一扭簧和第二扭簧分别套设于第一转轴和第二转轴的外部。Further, the rotating shaft includes a first rotating shaft and a second rotating shaft, and the torsion spring includes a first torsion spring and a second torsion spring, the first rotating shaft and the second rotating shaft are respectively located on both sides of the second hinge, and the first torsion The spring and the second torsion spring are sheathed on the outside of the first rotating shaft and the second rotating shaft respectively.
进一步地，所述夹块包括对称设置的左夹块和右夹块。Further, the clamping blocks include symmetrically arranged left clamping blocks and right clamping blocks.
进一步地，所述夹块与立方星中框架固定连接。Further, the clamping block is fixedly connected with the cube star middle frame.
进一步地，所述电机的输出轴通过联轴器与滑环的转子的内端固定连接。Further, the output shaft of the motor is fixedly connected to the inner end of the rotor of the slip ring through a coupling.
根据上述所述的太阳能帆板对日定向驱动系统的对日定向方法，所述太阳能展开阵接收太阳光的照射，若太阳光线不与所述太阳能展开阵的轴向垂面平行，挡光板会在所述太阳能展开阵上投下阴影，遮住其中一侧的光敏二极管的至少一部分，使得第一光敏二极管和第二光敏二极管产生的光电流不同，所述电机驱动所述太阳能展开阵围绕电机的输出轴转动直至太阳光线与所述太阳能展开阵的轴向垂面平行。According to the sun-orientation method of the sun-oriented drive system for solar panels described above, the solar array receives sunlight, and if the sunlight is not parallel to the axial vertical plane of the solar array, the light blocking plate will cast a shadow on the solar array, cover at least a part of the photodiodes on one side, so that the photocurrents generated by the first photodiode and the second photodiode are different, and the motor drives the solar array to surround the motor The output shaft rotates until the sun's rays are parallel to the axial vertical plane of the solar array.
与现有技术相比，本发明具有以下效果：Compared with the prior art, the present invention has the following effects:
(1)本发明的太阳能展开阵通过滑环与电机连接，电机转动带动滑环的转子转动从而带动太阳能展开阵转动，结构设计简单合理且太阳能展开阵上的电能传输线可以与滑环的转子连接、滑环的定子通过电能传输线与卫星蓄电池连接从而实现将太阳能发出的电输送至蓄电池内，避免了太阳能展开阵在转动过程将电能传输线缠绕；(1) The solar array of the present invention is connected with the motor through a slip ring, and the rotation of the motor drives the rotor of the slip ring to rotate to drive the solar array to rotate. The structure design is simple and reasonable, and the power transmission line on the solar array can be connected with the rotor of the slip ring The stator of the slip ring is connected to the satellite battery through the power transmission line so as to transmit the electricity generated by the solar energy to the battery, avoiding the winding of the power transmission line during the rotation of the solar array;
(2)对日定向检测系统包括第一光敏二极管、第二光敏二极管和挡光板，所述第一光敏二极管和第二光敏二极管分别对称布置在挡光板的两侧，挡光板垂直于太阳能展开阵的阵面设置且太阳能展开阵的轴向垂面与挡光板垂直于太阳能展开阵阵面的中心面平行或重合，该系统能够通过对称布置的两个光敏二极管快速、有效地检测出太阳能展开阵是否处于接收太阳光的最佳位置。(2) The sun-oriented detection system includes a first photodiode, a second photodiode and a light baffle, and the first photodiode and the second photodiode are respectively symmetrically arranged on both sides of the light baffle, and the light baffle is perpendicular to the solar array The front of the solar array is set and the axial vertical plane of the solar array is parallel to or coincident with the center plane of the light shield perpendicular to the solar array. The system can quickly and effectively detect the solar array through two photodiodes arranged symmetrically. Whether it is in the best position to receive sunlight.
附图说明Description of drawings
图1为本发明太阳能帆板对日定向驱动系统的爆炸图。Fig. 1 is an exploded view of the sun-oriented driving system of the solar sail panel of the present invention.
图2为太阳能帆板对日定向驱动在太阳能展开阵闭合状态的示意图。Fig. 2 is a schematic diagram of the sun-directed drive of the solar panel in the closed state of the solar array.
图3为本发明太阳能帆板对日定向驱动系统内部结构俯视图。Fig. 3 is a top view of the internal structure of the sun-oriented driving system of the solar sail panel of the present invention.
图4为本发明太阳能帆板对日定向驱动系统内部结构侧视图。Fig. 4 is a side view of the internal structure of the sun-oriented driving system of the solar sail panel of the present invention.
图5为立方星的太阳能帆板对日定向驱动在太阳能展开阵展开状态的示意图。Fig. 5 is a schematic diagram of the sun-directed driving of the solar panels of the cube star in the deployment state of the solar deployment array.
图6为本发明太阳能帆板对日定向驱动系统带动太阳能展开阵转动的示意图。Fig. 6 is a schematic diagram of the sun-oriented drive system of the solar sail panel of the present invention driving the solar deployment array to rotate.
具体实施方式Detailed ways
以下结合具体实施例对本发明的实现进行详细的描述。The implementation of the present invention will be described in detail below in conjunction with specific embodiments.
如图1-4所示，一种太阳能帆板对日定向驱动系统，包括第一合页1、转轴2、扭簧3、第二合页4、夹块5、滑环6、电机8、太阳能展开阵14和对日定向检测系统，所述夹块5、滑环6、电机8设置于卫星内部，电机8的输出轴与滑环6的转子6-1的内端固定连接，所述夹块5包覆在所述滑环6的定子6-2的外部，所述滑环6的转子6-1的外端与第二合页4固定连接，所述第二合页4上设置有第二合页转轴孔，所述第一合页1上设置有第一合页转轴孔，所述转轴2穿过第二合页转轴孔和第一合页转轴孔从而实现第一合页1与第二合页4的铰接，所述扭簧3套设于转轴2的外部，所述太阳能展开阵14与第一合页1固定连接，所述对日定向检测系统设置于所述太阳能展开阵14上，所述对日定向检测系统能够检测出太阳光线是否与所述太阳能展开阵14的轴向垂面平行，所述太阳能展开阵14的轴向垂面垂直于所述太阳能展开阵14的阵面且经过或平行于所述电机8的输出轴的中心轴线。As shown in Figure 1-4, a sun-oriented drive system for solar panels includes a first hinge 1, a rotating shaft 2, a torsion spring 3, a second hinge 4, a clamp 5, a slip ring 6, a motor 8, The solar energy deployment array 14 and the sun-oriented detection system, the clamp block 5, the slip ring 6, and the motor 8 are arranged inside the satellite, and the output shaft of the motor 8 is fixedly connected with the inner end of the rotor 6-1 of the slip ring 6. The clamp block 5 is wrapped on the outside of the stator 6-2 of the slip ring 6, and the outer end of the rotor 6-1 of the slip ring 6 is fixedly connected with the second hinge 4, and the second hinge 4 is provided with There is a second hinge shaft hole, the first hinge 1 is provided with a first hinge shaft hole, and the shaft 2 passes through the second hinge shaft hole and the first hinge shaft hole to realize the first hinge 1 and the hinge of the second hinge 4, the torsion spring 3 is sleeved on the outside of the rotating shaft 2, the solar energy deployment array 14 is fixedly connected with the first hinge 1, and the sun orientation detection system is set on the solar energy On the deployment array 14, the solar orientation detection system can detect whether the sun's rays are parallel to the axial vertical plane of the solar deployment array 14, and the axial vertical plane of the solar deployment array 14 is perpendicular to the solar deployment array. 14 and passing through or parallel to the central axis of the output shaft of the motor 8 .
结合图2，所述对日定向检测系统包括第一光敏二极管12-1、第二光敏二极管12-2和挡光板13，所述第一光敏二极管12-1和第二光敏二极管12-2分别对称紧靠于挡光板13的两侧设置，所述挡光板13垂直于所述太阳能展开阵14的阵面设置且所述太阳能展开阵14的轴向垂面与所述挡光板13垂直于所述太阳能展开阵14阵面的中心面平行或重合。With reference to Fig. 2 , the sun orientation detection system includes a first photodiode 12-1, a second photodiode 12-2 and a light baffle 13, and the first photodiode 12-1 and the second photodiode 12-2 are respectively Symmetrically arranged on both sides of the light blocking plate 13, the light blocking plate 13 is arranged perpendicular to the front surface of the solar energy deployment array 14 and the axial vertical plane of the solar energy expansion array 14 is perpendicular to the light blocking plate 13. The central planes of the solar arrays 14 arrays are parallel or coincident.
结合图1，所述转轴2包括第一转轴2-1和第二转轴2-2，所述扭簧3包括第一扭簧3-1和第二扭簧3-2，第一转轴2-1和第二转轴2-2分别位于第二合页4的两侧，第一扭簧3-1和第二扭簧3-2分别套设于第一转轴2-1和第二转轴2-2的外部，左右对称的第一转轴2-1和第二转轴2-2中部套上扭簧3之后将第一合页1与第二合页4轴接起来，使得第一合页1能绕着转轴2相对于第二合页4进行转动，且由于两个合页之间的卡位，第一合页1只能相对第二合页4展开到固定度角，对扭簧3在太阳能展开阵14折叠状态时进行预紧，在太阳能展开阵14需要展开时便可以提供所需的动能。1, the shaft 2 includes a first shaft 2-1 and a second shaft 2-2, the torsion spring 3 includes a first torsion spring 3-1 and a second torsion spring 3-2, the first shaft 2- 1 and the second rotating shaft 2-2 are respectively located on both sides of the second hinge 4, and the first torsion spring 3-1 and the second torsion spring 3-2 are sleeved on the first rotating shaft 2-1 and the second rotating shaft 2-2 respectively. 2, the left and right symmetrical first shaft 2-1 and the middle part of the second shaft 2-2 are covered with a torsion spring 3 and then the first hinge 1 and the second hinge 4 are connected so that the first hinge 1 can Rotate around the rotating shaft 2 relative to the second hinge 4, and due to the clamping position between the two hinges, the first hinge 1 can only be unfolded to a fixed angle relative to the second hinge 4, and the torsion spring 3 in The solar deployment array 14 is preloaded when it is folded, and the required kinetic energy can be provided when the solar deployment array 14 needs to be deployed.
进一步地，所述夹块5包括左夹块5-1和右夹块5-2，两个夹块为系统的主要承力部件，夹块上的滑环6夹紧槽为半圆柱形凹槽，可以与滑环6定子6-2端进行配合，两个夹块5夹紧滑环6的定子6-2端后通过四对螺纹孔拧入螺丝便可以实现对滑环定子端的夹紧固定。Further, the clamping block 5 includes a left clamping block 5-1 and a right clamping block 5-2, the two clamping blocks are the main load-bearing parts of the system, and the clamping groove of the slip ring 6 on the clamping block is a semi-cylindrical concave The slot can be matched with the end of the stator 6-2 of the slip ring 6, and the two clamping blocks 5 clamp the end of the stator 6-2 of the slip ring 6, and then screw in the screws through four pairs of threaded holes to realize the clamping of the stator end of the slip ring fixed.
进一步地，所述夹块5与立方星中框架9固定连接，中框架9的两侧为左框架10和右框架11。Further, the clamping block 5 is fixedly connected with the cube star middle frame 9, and the two sides of the middle frame 9 are the left frame 10 and the right frame 11.
进一步地，所述电机8的输出轴通过联轴器7与滑环6的转子6-1的内端固定连接，将联轴器7与电机8轴进行配合后插入滑环6的转子孔内，与其进行胶接，这样便实现了电机8到滑环6的传动，太阳能展开阵14上的电能传输线可以与滑环6的转子6-1连接(这部分电能传输线就随着太阳能展开阵14一起转动)，滑环6的定子6-2通过电能传输线与卫星蓄电池连接(这部分电能传输线就随着定子6-2一起静止)从而实现将太阳能发出的电输送至蓄电池内(电能依次经第一部分电能传输线、滑环、第二部分电能传输线传输至蓄电池)，避免了太阳能展开阵14在转动过程将电能传输线缠绕。Further, the output shaft of the motor 8 is fixedly connected to the inner end of the rotor 6-1 of the slip ring 6 through the coupling 7, and the coupling 7 is inserted into the rotor hole of the slip ring 6 after matching the shaft of the motor 8 , instead of being glued, the transmission of the motor 8 to the slip ring 6 is realized, and the power transmission line on the solar array 14 can be connected with the rotor 6-1 of the slip ring 6 (this part of the power transmission line is just along with the solar array 14 rotate together), the stator 6-2 of the slip ring 6 is connected to the satellite storage battery through the power transmission line (this part of the power transmission line is stationary with the stator 6-2) so as to realize the transmission of electricity from the solar energy to the storage battery (the electric energy passes through the first A part of the power transmission line, the slip ring, and the second part of the power transmission line are transmitted to the storage battery), which prevents the solar energy deployment array 14 from winding the power transmission line during the rotation process.
结合图5-6，本发明的太阳能帆板对日定向驱动系统的对日定向方法为：所述太阳能展开阵14接收太阳光的照射，若太阳光线不与所述太阳能展开阵14的轴向垂面平行，挡光板13会在所述太阳能展开阵14上投下阴影，遮住其中一侧的光敏二极管的至少一部分，使得第一光敏二极管12-1和第二光敏二极管12-2产生的光电流不同，所述电机8驱动所述太阳能展开阵14围绕电机8的输出轴转动直至太阳光线与所述太阳能展开阵14的轴向垂面平行，通过两个光敏二极管电流大小的比较便可以判断阳光的来向，进而判断太阳能展开阵14是否处于接收太阳光的最佳位置，从而实现对日定向。5-6, the sun orientation method of the solar sail panel sun orientation drive system of the present invention is: the solar array 14 receives sunlight irradiation, if the sun rays do not interfere with the axial direction of the solar array 14 The vertical planes are parallel, and the baffle plate 13 will cast a shadow on the solar array 14, covering at least a part of the photodiodes on one side, so that the light generated by the first photodiode 12-1 and the second photodiode 12-2 The current is different, the motor 8 drives the solar array 14 to rotate around the output shaft of the motor 8 until the sunlight is parallel to the axial vertical plane of the solar array 14, and it can be judged by comparing the currents of the two photodiodes. The direction of sunlight, and then judge whether the solar energy deployment array 14 is in the best position to receive sunlight, so as to realize the orientation to the sun.
以上显示和描述了本发明的基本原理、主要特征及优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.
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