Simulated illumination test device for cubesat solar cell array

Abstract

The utility model belongs to the technical field of illumination simulation, and relates to a simulation illumination test device for a cubesat solar cell array, which comprises a light source, a bracket and an adjusting mechanism, the light source is arranged on the support through the adjusting mechanism. The light source comprises more than one lamp, the lamp has a travel moving relative to the bracket under the action of the adjusting mechanism, and the travels of different lamps are the same or different, so that different lamps are arranged at different positions of the bracket to generate different illumination conditions, and a simulation illumination test is carried out on the cubesat solar cell array. The device is simple in structure, convenient to operate, high in efficiency, low in cost and capable of perfecting the whole satellite testing process and meeting the production requirements of commercial microsatellites.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of light simulation, in particular to a simulation light test device for a cubic star solar cell array. BACKGROUND

[0002] With the rapid development of microsatellite technology, cubic stars have become an important platform for space exploration and scientific research due to their low cost, flexible launch, and diversified tasks. During the on-orbit operation of the cubic star, the solar cell array, as the main energy source, its performance directly affects the mission life and efficiency of the satellite. Therefore, it is particularly important to carry out light test on the cubic star solar cell array to ensure its reliability and efficiency in space environment.

[0003] However, in the prior art, the traditional solar cell array light test equipment is often bulky, costly, has a large light area, and the operation process is complicated, etc. In commercial aerospace, there is no industry competitive advantage, which does not meet the concept of low cost and high efficiency of commercial satellites. CONTENT OF THE INVENTION

[0004] Therefore, it is necessary to provide a simulation light test device for a cubic star solar cell array, which has the advantages of simple structure, convenient operation, high efficiency and low cost, can perfect the whole satellite test process, and meet the production needs of commercial microsatellites.

[0005] A simulation light test device for a cubic star solar cell array, comprising: a light source, a support and an adjusting mechanism;

[0006] The light source is arranged on the support by the adjusting mechanism;

[0007] The light source comprises one or more lamps, and the lamps have a stroke of movement relative to the support under the action of the adjusting mechanism. The strokes of different lamps are the same or different, so that different lamps are arranged at different positions of the support to generate different light conditions and perform simulation light test on the cubic star solar cell array.

[0008] In an embodiment, the adjusting mechanism comprises a cable and a pulley.

[0009] Both ends of the cable are provided with an adjustable buckle, one adjustable buckle is connected with the lamp, and the other adjustable buckle is connected with the support.

[0010] The middle part of the cable abuts against the pulley, and the length of the cable is adjusted by the adjustable buckle, so that the lamp has a stroke of movement relative to the pulley.

[0011] In an embodiment, the adjustable buckle comprises a hook, a sleeve and a locking pin connected in sequence.

[0012] The hook is connected with the lamp or the bracket;

[0013] The sleeve is a hollow structure, and is provided with a first opening for the cable to enter and a second opening for the cable to exit;

[0014] The lock pin has a first state of allowing the cable to move freely and a second state of locking the cable.

[0015] In one embodiment, the lock pin is a screw;

[0016] One side of the sleeve is provided with a lock hole, the screw is matched with the thread on the inner wall of the lock hole, and is arranged apart from or abuts against the cable passing through the inside of the sleeve after passing through the lock hole.

[0017] In one embodiment, the lock pin is a hollow column structure sleeved in the inside of the sleeve;

[0018] The hollow column structure is provided with a first outlet for the cable to enter and a second outlet for the cable to exit;

[0019] One end of the hollow column structure is closed, and a spring is arranged between the closed end of the hollow column structure and the end of the sleeve connected with the hook;

[0020] The first outlet is sleeved in the first opening, the second outlet is arranged opposite to the second opening when the spring is in a compressed state, and the second outlet is staggered with the second opening when the spring is in a normal state.

[0021] In one embodiment, the adjusting mechanism comprises a conveyor belt and a conveyor wheel;

[0022] The conveyor belt is matched with the conveyor wheel, and the conveyor belt is connected with the lamp;

[0023] The conveyor wheel is arranged on the bracket, and when the conveyor wheel is driven, the conveyor belt is linked to move, so that the lamp has a stroke of moving relative to the conveyor wheel.

[0024] In one embodiment, the conveyor wheel comprises a driving wheel and a driven wheel;

[0025] The driving wheel and the driven wheel are arranged at two ends of a vertical line, so that the lamp has a stroke of moving up and down relative to the conveyor wheel.

[0026] In one embodiment, the bracket comprises a main body and a universal wheel arranged below the main body;

[0027] The main body comprises multiple profiles, which form a multi-layered frame structure of different heights, so that the fixing points of the adjustment mechanism and the support have different heights and positions.

[0028] In one embodiment, the luminaire includes: a lamp body and a lamp frame;

[0029] The lamp body is mounted on the lamp frame, and the lamp frame is connected to the adjustment mechanism.

[0030] In one embodiment, the lamp body is an iodine-tungsten lamp.

[0031] The aforementioned simulated illumination test device for CubeSat solar arrays uses lamps mounted on a support as light sources. The CubeSat solar array to be tested is placed on one side illuminated by the lamps, and then power is supplied to simulate sunlight. By turning on different numbers of lamps and changing the cable lengths, the number and position of the light sources are altered, thereby changing the area of ​​the lamp illumination surface. This allows for illumination testing of CubeSat solar arrays of different models and sizes, adjusting the illumination area of ​​the light source according to the size of the CubeSat solar array. This simulates the on-orbit sunlight of the CubeSat on the ground to verify the illumination of the solar array, enabling illumination tests of multiple models and sizes of CubeSat solar arrays and maximizing the test results. The device is simple in structure, easy to operate, highly efficient, and low in cost, and can improve the whole-satellite testing process, meeting the production needs of commercial microsatellites. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of a simulated illumination test device for a cubic star solar cell array in one embodiment;

[0033] Figure 2 for Figure 1 Enlarged schematic diagram of Part I;

[0034] Figure 3 for Figure 1 Enlarged schematic diagram of Part II;

[0035] Figure 4 This is a schematic diagram of the adjustment mechanism in one embodiment;

[0036] Figure 5 for Figure 4 Enlarged schematic diagram of Part III;

[0037] Figure 6 This is a schematic diagram of the structure of a lamp in one embodiment. Attached image description:

[0039] 1. Frame; 11. Main body; 12. Casters;

[0040] Adjusting mechanism 2, adjustable buckle 21, clamping hook 211, sleeve 212, locking pin 213, first opening 214, second opening 215, cable 22, pulley 23, eyelet screw 24;

[0041] Light source 3, lamp frame 31, lamp body 32;

[0042] Illumination plane A. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application. Based on the examples in the present application, all other examples obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0044] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, motion condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0045] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple groups" is at least two groups, such as two groups, three groups, etc., unless otherwise specifically limited.

[0046] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection, or physical connection or wireless communication connection; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection claimed by the present application.

[0048] The application provides a simulation light test device for a CubeSat solar cell array, which comprises a light source, a support and an adjusting mechanism. Figures 1 to 6 In one embodiment, the simulation light test device comprises a light source, a support and an adjusting mechanism.

[0049] The light source provides light for the simulation test of the CubeSat solar cell array, i.e. simulates sunlight to form a light field. The light source comprises one or more lamps. The lamps are arranged on the support through the adjusting mechanism and have a stroke of movement relative to the support under the action of the adjusting mechanism. The strokes of different lamps are the same or different, so that the different lamps are arranged at different positions of the support.

[0050] The support provides a bearing and fixing position for the light source.

[0051] The adjusting mechanism is used for adjusting the height and position of different lamps to generate different light conditions and perform the simulation light test of the CubeSat solar cell array.

[0052] In one embodiment, the adjusting mechanism comprises a cable and a pulley.

[0053] Both ends of the cable are provided with an adjustable buckle. One adjustable buckle is connected with the lamp, and the other adjustable buckle is connected with the support. Specifically, the adjustable buckle can be connected with the lamp or the support through a lifting eye screw. The length of the cable is adjusted through the adjustable buckle, so that the height and position of the lamp are adjusted. Specifically, the cable can be a steel wire cable.

[0054] The pulley is arranged at different positions on the support and abuts against the middle part of the cable, so that the lamp has a stroke of movement relative to the pulley under the action of the adjusting mechanism.

[0055] The adjustable buckle comprises a hook, a sleeve and a locking pin. The hook is used for connecting the lamp or the support, and the hook is connected with the sleeve. The sleeve is a hollow structure, one end of which is connected with the hook, the other end of which is provided with a first opening for the cable to pass in, and the side part of which is provided with a second opening for the cable to pass out. The locking pin has a first state of free movement of the cable and a second state of locking of the cable.

[0056] Preferably, the locking pin is a screw (for example, an M4 lifting eye screw). The side part of the sleeve is further provided with a lock hole. The screw is matched with the thread on the inner wall of the lock hole and is arranged in a spaced manner or abuts against the cable passing through the inside of the sleeve after passing through the lock hole. When the screw is arranged in a spaced manner with the cable passing through the inside of the sleeve, the screw is in the first state, and the cable can move freely. When the screw abuts against the cable passing through the inside of the sleeve, the screw is in the second state, and the cable is locked due to the limitation of the degree of freedom.

[0057] Preferably, the locking pin is a hollow column structure and is sleeved inside the sleeve. One end of the hollow column structure is closed, and a spring is arranged between the closed end and the end of the sleeve connected with the hook. The other end of the hollow column structure is provided with a first outlet for the cable to pass in, and the first outlet is sleeved in the first opening. The side of the hollow column structure is provided with a second outlet for the cable to pass out. When the spring is in a compressed state, the second outlet is arranged opposite to the second opening, and the cable can move freely. When the spring is in a normal state, the second outlet is staggered with the second opening, and the cable is locked due to the limited degree of freedom.

[0058] In one embodiment, the adjusting mechanism comprises a conveyor belt and a conveyor wheel.

[0059] The conveyor belt is connected with the lamp, and the conveyor belt cooperates with the conveyor wheel.

[0060] The conveyor wheel is arranged on the support, and when the conveyor wheel is driven, the conveyor belt is linked to move, so that the lamp has a stroke relative to the conveyor wheel.

[0061] Preferably, the conveyor wheel comprises a driving wheel and a driven wheel, and the driving wheel and the driven wheel are arranged at two ends of a vertical line, so that the lamp has a stroke of moving up and down relative to the conveyor wheel.

[0062] In one embodiment, the support comprises a main body and a universal wheel arranged below the main body. The main body comprises a plurality of profiles (for example, a plurality of 20x20 standard aluminum profiles with different lengths), and the profiles form a multi-layer frame structure with different heights, so that the adjusting mechanism and the fixing point of the support have different heights and positions.

[0063] In one embodiment, the lamp comprises a lamp body and a lamp frame. The lamp body is arranged on the lamp frame, and the lamp frame is connected with the adjusting mechanism.

[0064] Preferably, the lamp body is an iodine tungsten lamp, so as to better simulate sunlight.

[0065] The above-mentioned simulation light test device of the cubic star solar cell array, the lamp is arranged on the support as a light source, the cubic star solar array to be tested is placed on the side irradiated by the lamp, and then the electric simulation sunlight is given. By turning on different numbers of lamps and changing the length of the cable, the number and position of the light source are changed, and then the irradiation area of the lamp is changed, so as to meet the light test requirements of different models and different sizes of the cubic star solar array. In this way, the light source irradiation area is adjusted according to the size of the cubic star solar cell array, so as to simulate the sunlight irradiation of the solar cell array of the cubic star in orbit on the ground, realize the light test of multiple models and multiple sizes of the cubic star solar cell array, and maximize the test effect. The device has the advantages of simple structure, convenient operation, high efficiency and low cost, can perfect the whole satellite test process, and meets the production needs of commercial microsatellites.

[0066] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0067] The technical features of the above embodiments can be combined in any manner. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not contradict each other, they should be considered to be within the scope of the present specification.

[0068] The above-described embodiments are merely representative of several embodiments of the present application, and the description is relatively specific and detailed, but should not be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A device for simulating light exposure of a cubic star solar cell array, characterized by comprising: The application relates to a light source, a support and an adjusting mechanism. The light source is arranged on the support through the adjusting mechanism. The light source comprises one or more lamps, and the lamps have a stroke of movement relative to the support under the action of the adjusting mechanism; the strokes of different lamps are the same or different, different lamps are arranged at different positions of the support to generate different light conditions and simulate light irradiation test of a cubic star solar cell array. The adjusting mechanism comprises a cable and a pulley.

2. The device for simulating light exposure test of a cubic star solar cell array according to claim 1, wherein Two ends of the cable are provided with adjustable buckles, one of which is connected with the lamp and the other of which is connected with the support. The middle part of the cable is in abutment with the pulley, and the length of the cable is adjusted through the adjustable buckle so that the lamp has a stroke of movement relative to the pulley. The adjustable buckle comprises a hook, a sleeve and a lock pin which are connected in sequence.

3. The apparatus for simulating light exposure test of a cubic star solar cell array according to claim 2, wherein The hook is connected with the lamp or the support. The sleeve is a hollow structure and is provided with a first opening for the cable to enter and a second opening for the cable to exit. The lock pin has a first state of free movement of the cable and a second state of locking of the cable. The lock pin is a screw.

4. The apparatus for simulating light exposure test of a cubic star solar cell array according to claim 3, wherein One side of the sleeve is provided with a lock hole, the screw is matched with threads on the inner wall of the lock hole, and is arranged in space or in abutment with the cable in the sleeve after penetrating through the lock hole. The lock pin is a hollow column structure which is sleeved in the sleeve.

5. The apparatus for simulating light exposure test of a cubic star solar cell array according to claim 3, wherein The hollow column structure is provided with a first outlet for the cable to enter and a second outlet for the cable to exit. One end of the hollow column structure is closed, and a spring is arranged between the closed end of the hollow column structure and one end of the sleeve connected with the hook. The first outlet is sleeved in the first opening, and the second outlet is arranged in opposite to the second opening when the spring is in a compressed state, and the second outlet is arranged in staggered to the second opening when the spring is in a normal state. The adjusting mechanism comprises a conveyor belt and a conveyor wheel.

6. The apparatus for simulating light exposure test of a cubic star solar cell array according to claim 1, wherein The conveyor belt and the conveyor wheel are matched with each other, and the conveyor belt is connected with the lamp. The conveyor wheel is arranged on the support, and the conveyor wheel drives the conveyor belt to move when being driven, so that the lamp has a stroke of movement relative to the conveyor wheel. The conveyor wheel comprises a driving wheel and a driven wheel.

7. The apparatus for simulating light exposure test of a cubic star solar cell array according to claim 6, wherein The driving wheel and the driven wheel are arranged at two ends of a vertical line, so that the lamp has a stroke of upward and downward movement relative to the conveyor wheel. The support comprises a main body and a universal wheel arranged under the main body.

8. The device for simulating light exposure test of a cubic star solar cell array according to any one of claims 1 to 7, characterized in that, The main body comprises a plurality of profiles, and the profiles form a frame structure with different heights, so that the fixed point of the adjusting mechanism and the support has different heights and positions. The lamp comprises a lamp body and a lamp frame.

9. The simulated light exposure test apparatus for a cubic star solar cell array according to any one of claims 1 to 7, characterized by, The lamp body is arranged on the lamp frame, and the lamp frame is connected with the adjusting mechanism. The lamp body is an iodine tungsten lamp.

10. The apparatus for simulating light exposure test of a cubic star solar cell array according to claim 9, wherein, ​

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