阅读说明：本技术 一种低维光电材料的性能测试装置 (Performance testing device for low-dimensional photoelectric material ) 是由 杜银霄 段向阳 许晓丽 邵立 陈灿 侯海兴 于 2019-10-17 设计创作，主要内容包括：本发明涉及低维光电材料测试技术领域,具体是一种低维光电材料的性能测试装置,有效的解决了使用人造光源进行测试时结果不准确的问题,同时解决了不能够对照射在待测结构上的光照强度、和光照的面积进行改变的问题；技术方案包括支架,支架的中间位置出安装有聚光结构,支架的一端安装有反光结构,支架的另一端安装有待检测器件固定结构,支架的底端安装有动力结构,动力结构传动连接有第一传动结构,第一传动结构通过中转传动结构分别与聚光结构和反光结构连接,中转传动结构包括第二传动结构和第三传动结构,第一传动结构通过第二传动结构与反光结构连接,第一传动结构通过第三传动结构与聚光结构连接。(The invention relates to the technical field of low-dimensional photoelectric material testing, in particular to a performance testing device for a low-dimensional photoelectric material, which effectively solves the problem of inaccurate result when an artificial light source is used for testing, and simultaneously solves the problem that the illumination intensity and the illumination area on a structure to be tested can not be changed; technical scheme includes the support, the intermediate position play of support is installed and is concentrated light structure, reflection of light structure is installed to the one end of support, the other end of support is installed and is waited to detect device fixed knot and construct, power structure is installed to the bottom of support, power structure transmission is connected with first transmission structure, first transmission structure is connected with concentration of light structure and reflection of light structure respectively through transfer transmission structure, transfer transmission structure includes second transmission structure and third transmission structure, first transmission structure passes through second transmission structure and is connected with reflection of light structure, first transmission structure passes through third transmission structure and is concentrated light structural connection.)

1. The performance testing device for the low-dimensional photoelectric material comprises a support (1) and is characterized in that a light condensation structure (2) is arranged in the middle of the support (1), a light reflection structure (3) is arranged at one end of the support (1), a fixing structure (4) of a device to be tested is arranged at the other end of the support (1), a power structure (5) is arranged at the bottom end of the support (1), the power structure (5) is in transmission connection with a first transmission structure (6), the first transmission structure (6) is respectively connected with the light condensation structure (2) and the light reflection structure (3) through a transfer transmission structure, the transfer transmission structure comprises a second transmission structure (7) and a third transmission structure (8), the first transmission structure (6) is connected with the light reflection structure (3) through the second transmission structure (7), and the first transmission structure (6) is connected with the light condensation structure (2) through the third transmission structure (8), and a light shield (9) is arranged on the support (1) corresponding to the light gathering structure (2) and the position outside the device fixing structure (4) to be detected.

2. The performance testing device of the low-dimensional photoelectric material according to claim 1, wherein the light-gathering structure (2) comprises an inner ring (21) and an outer gear ring (26), the inner ring (21) is mounted on the surface of the support (1), a convex lens (22) is mounted inside one side of the inner ring (21), a sliding groove (23) is formed inside the other side of the inner ring (21), a baffle (24) is rotatably connected inside the sliding groove (23), the side surface of the baffle (24) is connected with the outer gear ring (26) through an arc-shaped connecting plate (25), a piston tube (27) is further connected between the outer gear ring (26) and the inner ring (21), and a toggle gear (89) is engaged with the outer gear ring (26).

3. The performance testing device of the low-dimensional photoelectric material according to claim 1, wherein the light reflecting structure (3) comprises a high-transmittance glass plate (31) obliquely installed on the surface of the support (1), a sliding groove (32) is formed in the high-transmittance glass plate (31), a light reflecting film (33) is slidably connected in the sliding groove (32), one end of the light reflecting film (33) is connected with a light reflecting film collecting shaft (34), the other end of the light reflecting film (33) is connected with a light reflecting film installing tube (35), a pressing frame (36) for pressing the light reflecting film (33) is installed on the surface of the high-transmittance glass plate (31) far away from the light condensing structure (2), and a pressing plate (37) is installed on the support (1) at a position corresponding to the pressing frame (36);

the two ends of the reflective film (33) are both provided with connecting films (339), a red film (331), an orange film (332), a yellow film (333), a green film (332), a cyan film (334), a blue film (336), a purple film (337) and a black film (338) which are equidistant are sequentially connected between the two connecting films (339), the connecting film (339) at one end of the reflective film (33) is fixed on the reflective film collecting shaft (34), and the connecting film (339) at the other end of the reflective film (33) is fixed in the reflective film mounting tube (35);

the reflective membrane mounting tube (35) comprises a mounting column (351) and a protective shell (353), the mounting column (351) is mounted on the surface of the support (1), the protective shell (353) is mounted outside the mounting column (351), and the mounting column (351) inside the protective shell (353) is fixedly connected with the connecting membrane (339) through a coil spring (352);

the pressing frame (36) comprises a pressing plate (361) movably mounted in the sliding groove (32), the pressing plate (361) is connected with a connecting plate (364) through a connecting column (362), a through hole (363) is formed in the position, corresponding to the connecting column (362), of the high-transparency glass plate (31), and the through hole (363) is connected with the surface, away from the light gathering structure (2), of the high-transparency glass plate (31) through a first spring (365);

the pressing plate (37) comprises a rotating plate (371), the top end of the rotating plate (371) corresponds to the intersection position of the connecting plate (364) and is arranged, the position of the support (1) corresponding to the rotating plate (371) is provided with a rotating groove (372), the inside of the rotating groove (372) is provided with a rotating shaft (373), the position of the rotating plate (371) corresponding to the rotating shaft (373) is provided with a mounting hole (374), the rotating plate (371) above the support (1) is connected with the surface of one side of the high-transmittance glass plate (31) away from the light gathering structure (2) through a spring two (376), and the bottom end of the rotating plate (371) is provided with a clamping groove (375).

4. The device for testing the performance of a low-dimensional photoelectric material according to claim 3, the surface of the bracket (1) is provided with an installation groove (13), the device fixing structure (4) to be detected comprises a transmission screw rod (41) installed in the installation groove (13), a transmission nut (43) is connected to the transmission screw rod (41) in a threaded manner, a sliding frame (42) is connected to the support (1) in a sliding manner at the position corresponding to the two sides of the transmission nut (43), positioning screw rods (44) are respectively arranged at two sides of the top end of the sliding frame (42), a pressing plate (45) is connected on the positioning screw rods (44) in a sliding manner, two pressure plates (45) are arranged, positioning nuts (46) are connected with the positioning screw rods (44) outside the two pressure plates (45) in a threaded manner, a first servo motor (47) connected with the transmission screw rod (41) is installed inside the support (1).

5. The performance testing device of the low-dimensional photoelectric material according to claim 1, wherein the power structure (5) comprises a second private clothes motor (51) installed at the bottom end of the bracket (1), and an output gear (52) is installed on an output shaft of the second private clothes motor (51);

the first transmission structure (6) comprises a connecting frame (61) arranged at the bottom end of the support (1), the bottom end of the connecting frame (61) is rotatably connected with a rotating disc (62), grooves (63) are formed in corresponding surfaces of the connecting frame (61) and the rotating disc (62), a rolling ball (64) is arranged in the grooves (63) in a rolling mode, an inner transmission gear (65) is arranged in the rotating disc (62), a shifting piece (66) is arranged in the middle position of the outer portion of the rotating disc (62), an upper transmission gear (67) is arranged above the shifting piece (66) in the outer portion of the rotating disc (62), a lower connecting gear (68) is arranged below the shifting piece (66) in the outer portion of the rotating disc (62), and the lower connecting gear (68) is meshed with the output gear (52);

the upper transmission gear (67) is provided with a one-third tooth, the other two-thirds tooth is set to be a smooth structure, the plectrum (66) is provided with a two-third bulge, the bulge on the plectrum (66) corresponds to the position of the smooth structure on the upper transmission gear (67), the inner transmission gear (65) is also provided with a one-third tooth, and the tooth center line at the end position of the one-third tooth of the inner transmission gear (65) is superposed with the tooth center line at the start position of the one-third tooth of the upper transmission gear (67).

6. The performance testing device of the low-dimensional photoelectric material according to claim 5, wherein the second transmission structure (7) comprises a fixed shaft (71) and a supporting shaft (75) which are arranged at the bottom end of the support (1), a driven gear (72) is arranged on the fixed shaft (71), the driven gear (72) is meshed with the upper transmission gear (67) and is connected with a driving pulley (73), a driven pulley (74) is rotatably connected to the supporting shaft (75), the driving pulley (73) is connected with the driven pulley (74) through a first belt (76), and the driven pulley (74) is connected with the reflective film collecting shaft (34) through a universal joint (77).

7. The performance testing device of the low-dimensional photoelectric material according to claim 3, wherein a locking structure (78) is installed at a position, corresponding to the reflective membrane collecting shaft (34), of the bottom end of the support (1), the locking structure (78) comprises a locking gear (781), a screw rod (782), a locking plate (783), a fixing nut (784), a limiting frame (785) and a spring III (786), the locking gear (781) is installed on the reflective membrane collecting shaft (34), the limiting frame (785) is installed at the bottom end of the support (1), the screw rod (782) is installed between the limiting frame (785) and the locking gear (781), the screw rod (782) is rotatably connected with the locking plate (783), the fixing nut (784) is in threaded connection with the screw rod (782), and the top end of the locking plate (783) is in contact with the locking gear (781), the bottom end of the locking sheet (783) can be movably arranged in the limiting frame (785), and a spring III (786) is arranged at the position, corresponding to the locking sheet (783), of the limiting frame (785).

8. The performance testing device of the low-dimensional photoelectric material according to claim 1, wherein the third transmission structure (8) comprises an inner installation shaft (84) and a connection shaft (84), the inner installation shaft (81) and the connection shaft (84) are both installed at the bottom end of the support (1), an auxiliary gear (82) is installed on the installation shaft (81), the auxiliary gear (82) is meshed with the inner transmission gear (65) and is connected with a transmission belt pulley (83) at the bottom end of the installation shaft (81), a lower belt pulley (85) is installed at the bottom end of the connection shaft (84), the lower belt pulley (83) is connected with the transmission belt pulley (83) through a second belt (86), a first steering gear (87) is installed on the connection shaft (84) above the lower belt pulley (85), and a second steering gear (88) is meshed with the first steering gear (87), the second steering gear (88) is connected with the toggle gear (89) through a shaft.

Technical Field

The invention relates to the technical field of low-dimensional photoelectric material testing, in particular to a performance testing device for a low-dimensional photoelectric material.

Background

The low-dimensional photoelectric material is a novel functional material which is developed internationally and rapidly in the last decade, and the main structural characteristics of the low-dimensional photoelectric material are that the size of the material is reduced to a nanometer scale in at least one dimension, so that the generated large specific surface area and unique quantum confinement effect enable the low-dimensional photoelectric material to show excellent electrical transportation and photoelectric conversion performances which are different from those of a bulk material, and the low-dimensional photoelectric material has important application potential in the fields of development of future high-performance photoelectric information devices, novel green energy sources, biomedicine and the like.

Before the low-dimensional photoelectric material is practically applied, various performances of the material are often required to be detected, and the frequently detected performances mainly comprise a micro-torsion mechanical performance test, a bending fatigue reliability test, a performance test in a stress state, a photoelectric conversion performance test and the like.

The light source is an indispensable component for testing photoelectric conversion performance. When testing the photoelectric conversion performance of a material, as the conversion efficiency under different illumination conditions needs to be tested as much as possible, more light sources are needed, and most tests adopt artificial light sources, and the testing mode not only consumes energy, but also causes a certain difference between the artificial light sources and sunlight, thereby possibly causing great deviation of the testing result. In addition, most of the existing testing devices can only provide a simple light source, and cannot adjust the illumination intensity and the illumination area on the structure to be tested according to the use requirements, so that different use requirements of people cannot be met.

Therefore, the present invention provides a performance testing apparatus for low dimensional photoelectric material to solve the problem.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the invention provides a performance testing device for a low-dimensional photoelectric material, which effectively solves the problem of inaccurate result when an artificial light source is used for testing, and simultaneously solves the problem that the illumination intensity and the illumination area irradiated on a structure to be tested cannot be changed.

The invention relates to a performance testing device of a low-dimensional photoelectric material, which comprises a support, wherein a light gathering structure is arranged in the middle of the support, a light reflecting structure is arranged at one end of the support, a fixing structure of a device to be detected is arranged at the other end of the support, a power structure is arranged at the bottom end of the support, the power structure is in transmission connection with a first transmission structure, the first transmission structure is respectively connected with the light gathering structure and the light reflecting structure through a transfer transmission structure, the transfer transmission structure comprises a second transmission structure and a third transmission structure, the first transmission structure is connected with the light reflecting structure through the second transmission structure, the first transmission structure is connected with the light gathering structure through the third transmission structure, and a light shield is arranged at a position on the support corresponding to the outer parts of the light gathering structure and the fixing structure of the device to be detected.

Preferably, the spotlight structure includes inner ring and outer gear ring, the inner ring is installed on the surface of support, one side internally mounted of inner ring has convex lens, the inside spout that has opened of opposite side of inner ring, the inside rotation of spout is connected with the baffle, the side of baffle passes through the arc connecting plate and is connected with the outer gear ring, still be connected with the piston pipe between outer gear ring and the inner ring, outer gear ring meshing is connected with the toggle gear.

Preferably, the reflecting structure comprises a high-transmittance glass plate obliquely mounted on the surface of the support, a sliding groove is formed in the high-transmittance glass plate, a reflecting film is connected in the sliding groove in a sliding manner, one end of the reflecting film is connected with a reflecting film collecting shaft, the other end of the reflecting film is connected with a reflecting film mounting pipe, a pressing frame for pressing the reflecting film is mounted on the surface of the high-transmittance glass plate, which is far away from one side of the light condensing structure, and a pressing plate is mounted on the support at a position corresponding to the pressing frame;

the two ends of the reflective film are both provided with connecting films, a red film, an orange film, a yellow film, a green film, a cyan film, a blue film, a purple film and a black film are sequentially connected between the two connecting films at equal intervals, the connecting film at one end of the reflective film is fixed on the reflective film collecting shaft, and the connecting film at the other end of the reflective film is fixed inside the reflective film mounting tube;

the reflective membrane mounting tube comprises a mounting column and a protective shell, the mounting column is mounted on the surface of the support, the protective shell is mounted outside the mounting column, and the mounting column inside the protective shell is fixedly connected with the connecting membrane through a coil spring;

the pressing frame comprises a pressing plate movably arranged in the sliding groove, the pressing plate is connected with a connecting plate through a connecting column, a through hole is formed in the high-transmittance glass plate at a position corresponding to the connecting column, and the through hole is connected with the surface of the high-transmittance glass plate, which is far away from the light-gathering structure, through a spring I;

the pressing plate comprises a rotating plate, the top end of the rotating plate is arranged at the position corresponding to the intersection position of the connecting plate, a rotating groove is formed in the position corresponding to the rotating plate in the support, a rotating shaft is arranged in the rotating groove, a mounting hole is formed in the position corresponding to the rotating shaft on the rotating plate, the rotating plate above the support is connected with the surface, away from one side of the light gathering structure, of the high-transparency glass plate through a spring II, and a clamping groove is formed in the bottom end of the rotating plate.

Preferably, the surface of support is opened there is the mounting groove, wait to detect device fixed knot and construct including installing the transmission lead screw in the mounting groove is inside, threaded connection has drive nut on the transmission lead screw, the position department sliding connection who corresponds the drive nut both sides on the support has the carriage, the location lead screw is all installed to the top both sides of carriage, sliding connection has the clamp plate on the location lead screw, and the clamp plate is provided with two, and threaded connection has set nut on the outside location lead screw of two clamp plates, the internally mounted of support has the first servo motor who is connected with the transmission lead screw.

Preferably, the power structure comprises a second servo motor installed at the bottom end of the support, and an output gear is installed on an output shaft of the second servo motor;

the first transmission structure comprises a connecting frame arranged at the bottom end of the support, the bottom end of the connecting frame is rotatably connected with a rotating disc, grooves are formed in the corresponding surfaces of the connecting frame and the rotating disc, rolling balls are arranged in the grooves in a rolling mode, an inner transmission gear is arranged in the rotating disc, a shifting piece is arranged in the middle of the outer portion of the rotating disc, an upper transmission gear is arranged above the shifting piece outside the rotating disc, a lower connecting gear is arranged below the shifting piece outside the rotating disc, and the lower connecting gear is in meshing connection with the output gear;

the upper transmission gear is provided with one-third teeth, the other two-thirds teeth are arranged to be smooth structures, two-thirds protrusions are arranged on the shifting piece, the protrusions on the shifting piece correspond to the smooth structure positions on the upper transmission gear, the inner transmission gear is also provided with one-third teeth, and the tooth center line of the one-third teeth finishing position of the inner transmission gear is superposed with the tooth center line of the one-third teeth starting position of the upper transmission gear.

Preferably, the second transmission structure is including installing fixed axle and the back shaft in the support bottom, install driven gear on the fixed axle, driven gear is connected with the meshing of last transmission gear, the bottom of fixed axle is connected with driving pulley, the last rotation of back shaft is connected with driven pulley, driving pulley and driven pulley pass through a belt and are connected, driven pulley passes through the universal joint and collects the hub connection with the reflective membrane.

Preferably, the bottom of support corresponds the position department that the reflective membrane collected the axle and installs locking structure, locking structure includes locking gear, screw rod, stay, fixation nut, spacing and spring three, locking gear installs and collects epaxially at the reflective membrane, spacing installs the bottom at the support, the screw rod is installed between spacing and locking gear, the screw rod rotates with the stay to be connected, fixation nut and screw rod threaded connection, the top and the locking gear contact setting of stay, what the bottom of stay can remove installs in spacing inside, spacing corresponds the position department of stay and installs spring three.

Preferably, the third transmission structure includes interior installation axle and connecting axle, the bottom at the support is all installed to interior installation axle and connecting axle, install the epaxial pinion of installing, the pinion is connected with interior drive gear meshing, driving pulley is installed to the bottom of installation axle, belt pulley is installed down to the bottom of connecting axle, belt pulley and driving pulley pass through belt two and are connected down, install steering gear one on the connecting axle of belt pulley top down, steering gear one meshing is connected with steering gear two, steering gear two passes through the axle and stirs gear connection.

The invention comprises the following steps: 1. drive first drive structure, second drive structure through power structure and move, can make the reflective membrane collect the axle from this and rotate, can change the reflective membrane, the reflective structure of being convenient for reflects out the light of different colours, is convenient for from this test the photoelectric conversion condition of the structure of awaiting measuring under the different illumination condition.

2. The first transmission structure/the third transmission structure are driven to move through the power structure, so that the position of the baffle can be changed, the light quantity passing through the baffle can be changed, and the photoelectric conversion condition of the structure to be tested under the condition of different light quantities can be tested.

3. Through making the illumination of first servo motor, drive the transmission lead screw from this and rotate, can change the distance between spotlight structure and the device fixed knot that awaits measuring and construct from this for the regional size of the structural illumination of fixing on the device fixed knot that awaits measuring changes, is convenient for test the photoelectric conversion condition of the structure that awaits measuring under the different illumination regions from this.

4. Because the structure setting of the inside last drive gear of first drive structure and interior drive gear, can drive the reflective membrane when making from this to go up drive gear and driven gear meshing and collect the axle and rotate, the change of reflective membrane has been realized from this, and after last drive gear and driven gear separation, this makes first drive structure outwards output power, and the baffle in the spotlight structure at this moment is opened completely, and this period of time can be to under the condition of opening completely the baffle, the photoelectric conversion condition of the structure that awaits measuring tests, then interior drive gear is connected with the pinion meshing, make the position of baffle change from this, make the inside light transmission area of spotlight structure reduce gradually, be convenient for from this to the photoelectric conversion condition of the structure that awaits measuring under the different amount illumination condition test.

5. The structure setting between the inside plectrum of first drive structure and the last drive gear for go up drive gear and driven gear separation back plectrum and can carry out outside promotion to the rotor plate, because the structure setting of rotor plate can realize inwards promoting the pressure strip from this, make reflective membrane can with the inseparable laminating of high glass board that passes through, can constitute the mirror surface from this and be convenient for the base light and reflect.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention.

Fig. 2 is a schematic view of the overall internal cross-sectional structure of the present invention.

Fig. 3 is a schematic view of the bottom structure of the present invention.

Fig. 4 is a schematic view of a light-gathering structure according to the present invention.

FIG. 5 is an enlarged view of the end A1 of the present invention.

FIG. 6 is an enlarged view of the end A2 of the present invention.

Fig. 7 is an enlarged schematic view of the end a3 of the present invention.

Fig. 8 is an enlarged schematic view of the end a4 of the present invention.

Fig. 9 is an enlarged schematic view of the end a5 of the present invention.

Fig. 10 is an enlarged schematic view of the end a6 of the present invention.

Fig. 11 is an enlarged schematic view of the end a7 of the present invention.

Fig. 12 is an enlarged schematic view of the end A8 of the present invention.

FIG. 13 is a schematic view of the structure of the reflective film of the present invention.

FIG. 14 is an overall schematic view of the present invention.

Detailed Description

The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 14. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.