Illuminometer measuring device
By using a connecting rod structure with a rotational hinge shaft and a harmonic transmission system driven by a stepper motor in the illumination meter measurement device, the existing device has been solved, and high accuracy and low tracking efficiency are achieved. Noise sky radiation measurement.
Patent Information
- Application Number
- CN202411674510.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2044-11-21
AI Technical Summary
The existing illumination meter measuring device has a bulky structure, high transmission noise, easy to generate backhaul errors, low tracking efficiency, and internal arrangement is inconvenient for maintenance.
The connecting rod three is set with a three-rotation setting of hinge shaft, and the connecting rod two is set with a two-rotation setting of hinge shaft, and the center of the connecting rod is fixed to the light ball support rod, which drives the driving arm and the driven arm to rotate simultaneously, and combines the stepper motor to drive harmonics. The transmission system realizes the pitch and swing of the four-link assembly and accurately tracks the sun's position.
High-precision and low-noise sky radiation measurement is achieved, reducing structural complexity and maintenance difficulty, and improving the accuracy and tracking efficiency of the transmission system.
Smart Images

Figure CN119469393A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of light radiation measurement, in particular to an illuminometer measuring device. Background Art
[0002] In the fields of solar radiation research, environmental monitoring, satellite remote sensing, etc., sky diffuse radiation is the premise for obtaining parameters such as atmospheric aerosol particle spectrum distribution and aerosol phase function, and is of great significance for studying the optical and microphysical properties of atmospheric aerosols. The ratio of direct total illumination and diffuse total illumination is obtained by measuring the direct total illumination.
[0003] With the development of science and technology, the demand for wide-band, high-precision resolution, and fully automated sky diffuse radiation measurement data in various scientific fields is increasing day by day, but existing technical means are difficult to directly apply. The existing developed illuminance meter measurement device drives the four-bar rotation system, which is mostly a double-output shaft power structure design of gears or worm gears. The structure is bulky and the transmission noise is large. After a long time, it will produce return errors, large reverse clearance, and low tracking efficiency. The design of the double-output shaft drive spans the inside of the instrument housing, like an obstacle, which is not convenient for the internal component layout and subsequent maintenance. Summary of the invention
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the present invention provides an illuminance meter measuring device, which solves the problems raised in the above background technology.
[0006] (II) Technical solution
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an illuminance meter measuring device, comprising an instrument housing, a connecting rod fixing seat fixed to the bottom of the instrument housing, the connecting rod fixing seat being provided with connecting rod three by rotating through hinge shaft three, the other end of the connecting rod three being provided with connecting rod two by rotating through hinge shaft two, the other end of the connecting rod two being fixedly connected with connecting rod one, a light-blocking ball support rod being fixed to the middle of the connecting rod one, the other end of the light-blocking ball support rod being fixedly connected with a light-blocking ball, the two ends of the connecting rod one being respectively provided with connecting rod three by rotating through hinge shaft one and a clamping rod two. The spring and the baffle are rotatably connected with the active arm and the driven arm, and the baffle is provided with a wear-resistant pad 1 and a wear-resistant pad 2. A transverse intermediate connecting rod is fixedly connected between the active arm and the driven arm, and a left connecting disk and a right connecting disk are fixedly connected to the active arm and the driven arm. A left swing transmission assembly and a right auxiliary swing assembly are rotatably provided on both sides of the instrument housing, respectively, the left swing transmission assembly is connected to the left connecting disk, and the right auxiliary swing assembly is connected to the right connecting disk, and the lower ends of the active arm and the driven arm are fixedly connected with counterweight blocks.
[0008] Preferably, the left swing transmission assembly includes a transmission output shaft located inside the left connecting disk, a transmission connecting key is arranged between the transmission output shaft and the left connecting disk, the left connecting disk passes through the left sealing cover and is fixedly connected to the transmission output shaft, a sealing element is arranged between the left connecting disk and the instrument housing, and a fixing plate is arranged inside the left connecting disk for pressing the left connecting disk.
[0009] Preferably, the right auxiliary swing assembly includes an auxiliary support shaft fixedly connected to the inside of the right connecting disk, a bearing is embedded in the right side wall of the instrument housing, a bearing pressure plate is provided inside the instrument housing for pressing and locking the bearing, and a sealing seat is fixedly installed on the outside of the bearing pressure plate; the auxiliary support shaft is inserted into the inside of the bearing from one end, an inner sealing cover is provided on the inner side wall of the right side bearing hole of the instrument housing, a sealing gasket is provided on the inner side of the inner sealing cover, a sealing element 2 is provided inside the sealing seat, and a locking ring for fixing the bearing is provided between the auxiliary support shaft and the right connecting disk.
[0010] Preferably, a solar tracker is fixedly mounted on the side wall of the instrument housing, and an integrating sphere unit, a rain sensor and an antenna are fixedly mounted on the top of the instrument housing.
[0011] Preferably, a centralized data processing unit, a G transmission module, a measurement module 1, a measurement module 2, a centralized control unit, a Y mechanical switch group and a Y optical coupler group are arranged inside the instrument housing, and a splitter group is arranged inside the instrument housing.
[0012] Preferably, a four-quadrant socket, a rear fan socket and a front fan socket are fixedly installed at the bottom of the instrument housing, and a power socket, a communication port and an environmental sensor unit are also fixedly installed at the bottom of the instrument housing.
[0013] Preferably, a rear cover and a front cover are rotatably provided on both sides of the instrument housing through a left hinge support and a right hinge support, and a wear-resistant pad three is provided between the rear cover, the front cover and the instrument housing.
[0014] Preferably, a heat dissipation group 1 and a heat dissipation group 2 are provided at the bottom of the instrument housing.
[0015] A lower sealing cover plate and an upper transfer plate fixed to the bottom of the lower sealing cover plate are fixedly mounted on the bottom of the instrument housing, a lower connecting plate is movably arranged on the bottom of the upper transfer plate, and a supporting leg is fixedly connected to the bottom of the lower connecting plate.
[0016] (III) Beneficial effects
[0017] The present invention provides an illuminance meter measuring device, which has the following beneficial effects:
[0018] In the present invention, the stepper motor drives the harmonic drive system, and transmits torque synchronously with the crankshaft, driving the four-link assembly to pitch and swing. Specifically, the output shaft of the Y-axis drive assembly rotates to drive the left connecting plate to rotate. Since the active arm and the driven arm form the torque transmission of the crankshaft through the intermediate connecting rod, the active and driven arms are driven to rotate synchronously. According to the astronomical algorithm of the embedded system of the control unit, combined with the longitude and latitude of the test site, when the illuminance meter is working, the control system drives the rotation axis to rotate and the pitch axis to swing to drive the four-link and the solar tracker to move together, and perform preliminary tracking of the solar position. Then, under the guidance of the solar tracking unit, the four-link mechanism is driven to accurately adjust the zenith angle, so that the light blocking ball and the integrating sphere light entrance sun are in a straight line. The spectral radiation data is measured once to obtain the diffuse total illumination, and then the four-link is restored to a horizontal state under the drive of the pitch transmission shaft. In this process, the measurement of the direct total illumination is completed. The transmission system adopts a "zero backlash", large torque, high-precision silent transmission control system, which has the advantages of simple structure integration, high transmission accuracy, easy maintenance and maintenance of the overall structural design, and high reliability. The overall drive design simplifies the internal structure, makes the interior of the shell more neat and tidy, and improves the transmission system accuracy and tracking efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A front view structural diagram of an illuminance meter measuring device proposed by the present invention;
[0020] Figure 2 for Figure 1 The right view structure diagram of
[0021] Figure 3 for Figure 1 A top view of the structure;
[0022] Figure 4 A BB cross-sectional structural diagram of an illuminance meter measuring device proposed by the present invention;
[0023] Figure 5 for Figure 4 The enlarged structure diagram at C;
[0024] Figure 6 for Figure 4 The enlarged structure diagram at D;
[0025] Figure 7 A cross-sectional structural diagram of an illuminance meter measuring device proposed by the present invention;
[0026] Figure 8 Another state structure diagram of an illuminance meter measuring device proposed by the present invention;
[0027] Fig. 9 A bottom-up structural diagram of an illuminance meter measuring device proposed by the present invention;
[0028] Fig.10 for Figure 7 Rear view of the structure.
[0029] In the figure: 1. Instrument housing; 2. Back cover; 3. Left hinge support; 4. Connecting rod fixing seat; 5. Hinge shaft three; 6. Connecting rod three; 7. Front cover; 8. Connecting rod two; 9. Light-blocking ball support rod; 10. Light-blocking ball; 11. Right connecting plate; 12. Heat dissipation group one; 13. Lower sealing cover plate; 14. Upper adapter plate; 15. Lower connecting plate; 16. Heat dissipation group two; 17. Support leg; 18. Connecting rod one; 19. Middle connecting rod; 20. Hinge shaft two; 21. Driven arm; 22. Stepper motor; 23. Left sealing cover; 24. Counterweight; 25. Active arm; 26. Block plate; 27. Circlip; 28. Hinge shaft one; 29. Wear-resistant pad one; 30. Wear-resistant pad two; 31. Solar tracker; 32. Left connecting plate; 33. Sealing element one; 34. Fixing plate; 35. Transmission output shaft; 3 6. Transmission connection key; 37. Inner sealing cover; 38. Sealing gasket; 39. Sealing seat; 40. Sealing element 2; 41. Locking ring; 42. Auxiliary support shaft; 43. Bearing pressure plate; 44. Centralized control unit; 45. Measurement module 1; 46. Centralized data processing unit; 47. Power socket; 48. Communication port; 49. 4G transmission module; 50. Wear-resistant pad 3; 51. Y mechanical switch group; 52. Y optical coupler group; 53. Splitter group; 54. Right hinge support; 55. Environmental sensor unit; 56. Integrating sphere unit; 57. Rain sensor; 58. Antenna; 59. Rear fan socket; 60. Four-quadrant socket; 61. Front fan socket; 62. Bearing; 63. Measurement module 2; 64. Reducer; 65. Motor flange; 66. Transmission sleeve. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0031] See also Figures 1 to 10The present invention provides a technical solution: an illuminometer measuring device, comprising an instrument housing 1, a connecting rod fixing seat 4 fixed to the bottom of the instrument housing 1, the connecting rod fixing seat 4 is rotatably provided with a connecting rod 3 6 through a hinge shaft 3 5, the other end of the connecting rod 3 6 is rotatably provided with a connecting rod 2 8 through a hinge shaft 2 20, the other end of the connecting rod 2 8 is fixedly connected with a connecting rod 1 18, a light blocking ball support rod 9 is fixedly provided in the middle of the connecting rod 1 18, the other end of the light blocking ball support rod 9 is fixedly connected with a light blocking ball 10, and the two ends of the connecting rod 1 18 are rotatably connected through a hinge shaft 1 28, a retaining spring 27, and a blocking piece 26 There are an active arm 25 and a driven arm 21, and wear-resistant pad 1 29 and wear-resistant pad 2 30 are arranged at the baffle 26. A horizontal intermediate connecting rod 19 is fixedly connected between the active arm 25 and the driven arm 21. A left connecting plate 32 and a right connecting plate 11 are fixedly connected to the active arm 25 and the driven arm 21. A left swing transmission assembly and a right auxiliary swing assembly are rotatably arranged on both sides of the instrument housing 1. The left swing transmission assembly is connected to the left connecting plate 32, and the right auxiliary swing assembly is connected to the right connecting plate 11. The lower ends of the active arm 25 and the driven arm 21 are fixedly connected to a counterweight block 24.
[0032] The active arm 25 rotates to drive the driven arm 21 to rotate through the middle connecting rod 19, and the active arm 25 and the driven arm 21 drive the connecting rod 2 8 to rotate through the connecting rod 1 18, the connecting rod 2 8 drives the connecting rod 3 6 to rotate, and the connecting rod 2 8 drives the light-blocking ball support rod 9 and the light-blocking ball 10 to move.
[0033] The light blocking ball 10 is driven to move according to the parallel transmission and deformation principle of the parallelogram. The line connecting the light blocking ball 10 and the light entrance hole of the integrating sphere unit 56 is always parallel to the active arm 25, and the active arm 25 is parallel to the optical axis of the solar tracker 31. When the solar tracker 31 recognizes and tracks the sun, the light blocking ball 10 and the light entrance hole of the integrating sphere are in a straight line. At this moment, due to the principle of linear propagation of sunlight, the center of the light blocking ball's shadow coincides with the light entrance hole of the integrating sphere unit 56, completing the measurement of the total diffuse illumination.
[0034] The integrating sphere unit 56 and the measuring module 1 45 can measure the spectral characteristic data of each band of ultraviolet, visible and infrared. The sunlight is collected by the integrating sphere unit 56 through the light inlet, and is evenly scattered inside the integrating sphere unit 56 after multiple reflections. The sunlight is transmitted to the measuring module 1 45 and the measuring module 2 63 through the optical fiber at the light outlet to complete the collection and measurement of the optical signal. This design can reduce and eliminate the measurement error caused by the light shape, divergence angle and the difference in responsivity at different positions on the detector, making the measurement result more reliable and providing accurate and reliable optical property data.
[0035] The integrating sphere unit 56 is fixed on the top of the instrument to facilitate the light irradiation entrance, and the measuring module 1 45 and the measuring module 2 63 are fixed inside the instrument to facilitate heat conduction processing.
[0036] The solar tracker 31 is located on the side of the left connecting plate 32 connected to the main drive, and is installed to maintain parallelism with the main arm 25. The solar tracker 31 is an optoelectronic device containing a four-quadrant detector, which is used to identify the solar target and guide the turntable system to accurately track the sun.
[0037] The left swing transmission assembly includes a transmission output shaft 35 located inside the left connecting disk 32, a transmission connecting key 36 is arranged between the transmission output shaft 35 and the left connecting disk 32, the left connecting disk 32 passes through the left sealing cover 23 and is fixedly connected to the transmission output shaft 35, a sealing element 33 is arranged between the left connecting disk 32 and the instrument housing 1, and a fixing plate 34 is arranged inside the left connecting disk 32 for pressing and connecting the left connecting disk 32.
[0038] The transmission output shaft 35 is driven to rotate by the built-in motor, the transmission output shaft 35 drives the left connecting plate 32 to rotate, the left connecting plate 32 drives the active arm 25 to rotate, and the transmission connecting key 36 realizes the transmission purpose.
[0039] It also includes a reducer 64, a motor flange 65, a transmission sleeve 66, and a stepper motor 22 arranged inside the instrument housing 1; the Y-axis transmission assembly is composed of: the stepper motor 22 is embedded in the motor flange 65, the motor shaft passes through the motor flange 65 and is connected to the input end of the reducer 64, and the motor flange 65 is fixed on the flange surface of the reducer 64, the reducer 64 is fixed on the transmission sleeve 66, and the end of the reducer 64 has an output shaft. The Y optical coupling group 52 and the Y mechanical switch group 51 cooperate to complete the pitch control and protection of the Y transmission axis.
[0040] The right auxiliary swing assembly includes an auxiliary support shaft 42 fixedly connected to the inside of the right connecting plate 11, a bearing 62 is embedded in the right side wall of the instrument housing 1, a bearing pressure plate 43 is arranged inside the instrument housing 1 for pressing and locking the bearing 62, and a sealing seat 39 is fixedly installed on the outside of the bearing pressure plate 43; the auxiliary support shaft 42 is inserted into the inside of the bearing 62 from one end, an inner sealing cover 37 is arranged on the inner side wall of the right side bearing hole of the instrument housing 1, a sealing gasket 38 is arranged on the inner side of the inner sealing cover 37, a sealing element 2 40 is arranged inside the sealing seat 39, and a locking ring 41 for fixing the bearing 62 is arranged between the auxiliary support shaft 42 and the right connecting plate 11.
[0041] The auxiliary support shaft 42 rotates synchronously with the transmission output shaft 35, and the auxiliary support shaft 42 drives the driven arm 21 to rotate. The sealing seat 39 is a structure with an external flange fixed on the instrument housing 1. A static sealing groove structure is designed at the connection with the instrument housing 1 for static sealing connected to the housing; an internal sealing cover 37 and a sealing gasket 38; double sealing treatment is performed to improve the overall sealing performance and increase the adaptability of the equipment in the field environment.
[0042] A solar tracker 31 is fixedly mounted on the side wall of the instrument housing 1 , and an integrating sphere unit 56 , a rain sensor 57 and an antenna 58 are fixedly mounted on the top of the instrument housing 1 .
[0043] The instrument housing 1 is internally provided with a centralized data processing unit 46 , a 4G transmission module 49 , a measurement module 1 45 , a measurement module 2 63 , a centralized control unit 44 , a Y mechanical switch group 51 and a Y optical coupler group 52 , and the instrument housing 1 is internally provided with a splitter group 53 .
[0044] A splitter group 53 is arranged inside the instrument housing 1. The splitter group 53 is used for centralized power supply processing of various units of the device, thereby reducing the number of external connection lines of the device.
[0045] A four-quadrant socket 60, a rear fan socket 59 and a front fan socket 61 are fixedly installed at the bottom of the instrument housing 1. A power socket 47, a communication port 48 and an environmental sensor unit 55 are also fixedly installed at the bottom of the instrument housing 1. The environmental sensor unit 55 is used to perceive the surrounding environmental information and comprehensively judge the working status of the instrument in real time in combination with the internal environmental data.
[0046] The rear cover 2 and the front cover 7 are rotatably arranged on both sides of the instrument housing 1 through the left hinge support 3 and the right hinge support 54 to achieve the purpose of opening; a wear-resistant pad 50 is arranged between the rear cover 2, the front cover 7 and the instrument housing 1 to achieve the purpose of reducing wear.
[0047] The bottom of the instrument housing 1 is provided with a heat dissipation group 12 and a heat dissipation group 2 16, which are used for temperature control and heat dissipation of the measurement module 1 45 and the measurement module 2 63, respectively, to improve the stability of the module measurement environment and reduce the influence of temperature difference on the design acquisition.
[0048] A lower sealing cover plate 13 and an upper adapter plate 14 fixed to the bottom of the lower sealing cover plate 13 are fixedly installed at the bottom of the instrument housing 1. A lower connecting plate 15 is movably arranged at the bottom of the upper adapter plate 14. A supporting leg 17 is fixedly connected to the bottom of the lower connecting plate 15 to support the entire instrument.
[0049] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. An illuminance meter measuring device, characterized in that: The invention comprises an instrument housing (1), a connecting rod fixing seat (4) fixed to the bottom of the instrument housing (1), wherein the connecting rod fixing seat (4) is provided with a connecting rod 3 (6) by rotation through a hinge shaft 3 (5), the other end of the connecting rod 3 (6) is provided with a connecting rod 2 (8) by rotation through a hinge shaft 2 (20), the other end of the connecting rod 2 (8) is fixedly connected with a connecting rod 1 (18), a light blocking ball support rod (9) is fixedly connected to the middle of the connecting rod 1 (18), the other end of the light blocking ball support rod (9) is fixedly connected with a light blocking ball (10), and the two ends of the connecting rod 1 (18) are respectively connected to a driving arm (25) and a driven arm by rotation through a hinge shaft 1 (28), a retaining spring (27) and a blocking plate (26). (21), the baffle (26) is provided with a wear-resistant pad 1 (29) and a wear-resistant pad 2 (30), a transverse intermediate connecting rod (19) is fixedly connected between the active arm (25) and the driven arm (21), a left connecting plate (32) and a right connecting plate (11) are fixedly connected to the active arm (25) and the driven arm (21), a left swing transmission assembly and a right auxiliary swing assembly are rotatably provided on both sides of the instrument housing (1), the left swing transmission assembly is connected to the left connecting plate (32), and the right auxiliary swing assembly is connected to the right connecting plate (11), and a counterweight block (24) is fixedly connected to the lower ends of the active arm (25) and the driven arm (21).
2. The illuminance meter measuring device according to claim 1, characterized in that: The left swing transmission assembly comprises a transmission output shaft (35) located inside the left connecting plate (32), a transmission connection key (36) is arranged between the transmission output shaft (35) and the left connecting plate (32), the left connecting plate (32) passes through the left sealing cover (23) and is fixedly connected to the transmission output shaft (35), a sealing element (33) is arranged between the left connecting plate (32) and the instrument housing (1), and a fixing plate (34) is arranged inside the left connecting plate (32) for pressing and connecting the left connecting plate (32).
3. The illuminance meter measuring device according to claim 1, characterized in that: The right auxiliary swing assembly comprises an auxiliary support shaft (42) fixedly connected to the inside of the right connecting plate (11); a bearing (62) is embedded in the right side wall of the instrument housing (1); a bearing pressure plate (43) is arranged inside the instrument housing (1) for pressing and locking the bearing; a sealing seat (39) is fixedly installed on the outer side of the bearing pressure plate (43); the auxiliary support shaft (42) is inserted into the inside of the bearing (62) from one end; an inner sealing cover (37) is arranged on the inner side wall of the right side bearing hole of the instrument housing (1); a sealing gasket (38) is arranged on the inner side of the inner sealing cover (37); a sealing element 2 (40) is arranged inside the sealing seat (39); and a locking ring (41) for fixing the bearing (62) is arranged between the auxiliary support shaft (42) and the right connecting plate (11).
4. The illuminance meter measuring device according to claim 1, characterized in that: A solar tracker (31) is fixedly mounted on the side wall of the instrument housing (1), and an integrating sphere unit (56), a rain sensor (57) and an antenna (58) are fixedly mounted on the top of the instrument housing (1).
5. The illuminance meter measuring device according to claim 1, characterized in that: The instrument housing (1) is provided with a centralized data processing unit (46), a 4G transmission module (49), a measurement module 1 (45), a measurement module 2 (63), a centralized control unit (44), a Y mechanical switch group (51) and a Y optical coupler group (52), and the instrument housing (1) is provided with a splitter group (53).
6. The illuminance meter measuring device according to claim 1, characterized in that: A four-quadrant socket (60), a rear fan socket (59) and a front fan socket (61) are fixedly mounted on the bottom of the instrument housing (1); a power socket (47), a communication port (48) and an environmental sensor unit (55) are also fixedly mounted on the bottom of the instrument housing (1).
7. The illuminance meter measuring device according to claim 1, characterized in that: A rear cover (2) and a front cover (7) are rotatably arranged on both sides of the instrument housing (1) via a left hinge support (3) and a right hinge support (54); and a wear-resistant pad (50) is arranged between the rear cover (2), the front cover (7) and the instrument housing (1).
8. The illuminance meter measuring device according to claim 1, characterized in that: A heat dissipation group 1 (12) and a heat dissipation group 2 (16) are arranged at the bottom of the instrument housing (1).
9. The illuminance meter measuring device according to claim 1, characterized in that: A lower sealing cover plate (13) and an upper transfer plate (14) fixed to the bottom of the lower sealing cover plate (13) are fixedly mounted on the bottom of the instrument housing (1); a lower connecting plate (15) is movably arranged on the bottom of the upper transfer plate (14); and a supporting leg (17) is fixedly connected to the bottom of the lower connecting plate (15).
Citation Information
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