CN216791410U - Automatic pendulum shaft device for optical calibration measurement - Google Patents
Automatic pendulum shaft device for optical calibration measurement Download PDFInfo
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- CN216791410U CN216791410U CN202220497129.8U CN202220497129U CN216791410U CN 216791410 U CN216791410 U CN 216791410U CN 202220497129 U CN202220497129 U CN 202220497129U CN 216791410 U CN216791410 U CN 216791410U
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Abstract
The utility model discloses an automatic pendulum shaft device for optical calibration measurement, which is fixed on a rotating arm part through a connecting flange and comprises a sleeve component, a driving component and a transmission component which are sequentially arranged in the sleeve component, and an installation component connected with the transmission component. The driving component drives the transmission component to rotate and simultaneously drives the mounting component fixed with the transmission component to rotate, so that the multi-angle pitching oscillation of the optical head of the thermal infrared radiometer or the optical head of the earth reflectometer fixed on the mounting component is realized, the observation direction of the instrument is consistent with the observation direction of a satellite, the reflection/emission radiation parameters of the satellite direction are directly measured, the BRDF correction process of the former field measurement parameters is reduced, and the measurement precision of the earth surface radiation parameters is effectively improved; the pendulum shaft device drives the measuring head of the optical instrument to measure the field radiation characteristic at high frequency, and the working efficiency of field calibration radiation measurement is improved.
Description
Technical Field
The utility model relates to the field of optical measurement, in particular to an automatic pendulum shaft device for optical calibration measurement.
Background
In-orbit radiation calibration of optical loads such as an optical satellite, a hyperspectral observation satellite, a high-precision greenhouse gas comprehensive detection satellite, a terrestrial ecological carbon monitoring satellite, a high-resolution multimode comprehensive imaging satellite, an atmospheric environment satellite and the like, earth surface radiation actual measurement parameters of the in-orbit calibration of the optical satellite loads need to be provided through a calibration field optical measuring instrument. The measuring instrument needs to measure and collect data from multiple positions and angles of the calibration field.
In order to realize unattended operation in the whole measurement process, a swing shaft device is also needed to drive the optical head to frequently change the position of a corresponding pitching angle in the data acquisition and measurement process; the existing pendulum shaft device for calibration measurement has the problems of inaccurate swing precision and low reliability, and meanwhile, the pendulum shaft component device is large and heavy in size, complex in structure and troublesome in installation and maintenance.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an automatic pendulum shaft device for optical calibration and measurement, which is used to solve the above technical problems in the prior art.
An automatic pendulum shaft device for optical calibration measurement is fixed on a rotating arm part through a connecting flange plate and comprises a sleeve component, a driving component and a transmission component which are sequentially arranged in the sleeve component, and a mounting component connected with the transmission component;
the sleeve component comprises a first sleeve fixed with the connecting flange plate and a second sleeve fixedly connected with the first sleeve, the driving component is arranged in the first sleeve, and the transmission component is connected with the driving component and penetrates through the second sleeve to be connected with the mounting component.
In a preferred embodiment, the driving assembly comprises a stepping motor and a speed reducing mechanism connected with the stepping motor, and an output shaft of the speed reducing mechanism is connected with the transmission assembly.
In a preferred embodiment, the transmission assembly includes a connecting shaft, one end of the connecting shaft is connected with the mounting assembly in an embedded manner, the other end of the connecting shaft is connected with the output shaft of the speed reducing mechanism in an inserted manner, a bearing is arranged in the second sleeve, the connecting shaft penetrates through the bearing, and the bearing is fixedly arranged in the second sleeve through a bearing gland.
In a preferred embodiment, a sensor is arranged in the second sleeve, a sensing piece of the sensor is fixed at the tail part of the connecting shaft, the sensor is fixed on a sensor fixing seat, and the sensor fixing seat is fixed on the end surface of the first sleeve.
In a preferred embodiment, the end face of the second sleeve is further provided with a line pressing block, and the line pressing block forms a notch for pressing a line when being fixed with the second sleeve.
In a preferred embodiment, the mounting assembly includes an output flange fixed to the output shaft and a mounting platform fixed to the output flange, the output flange being rotatably connected to the second sleeve.
The technical scheme of the utility model has the beneficial effects that:
the thermal infrared radiometer optical head or the reflectometer optical head is fixed on the mounting assembly, when the device works, the driving assembly drives the transmission assembly to rotate, and meanwhile, the transmission assembly drives the mounting assembly fixed with the transmission assembly to rotate, so that the multi-angle pitching oscillation of the thermal infrared radiometer optical head or the reflectometer optical head fixed on the mounting assembly is realized, the observation direction of the device is consistent with the observation direction of a satellite, the reflection/emission radiation parameters of the satellite direction are directly measured, the BRDF correction process of the former field measurement parameters is reduced, and the measurement precision of the surface radiation parameters is effectively improved; the pendulum shaft device drives the measuring head of the optical instrument to measure the field radiation characteristic at high frequency, and the working efficiency of field calibration radiation measurement is improved.
Drawings
FIG. 1 is a schematic structural diagram of a fixed thermal infrared radiometer optical head of the present invention,
FIG. 2 is a schematic view of the fixed reflectometer optical head of the present invention,
fig. 3 is a cross-sectional view of the present invention.
Description of reference numerals: the device comprises a rotating arm part 1, a connecting flange plate 2, a sleeve component 3, a first sleeve 31, a second sleeve 32, a driving component 4, a stepping motor 41, a speed reducing mechanism 42, an output shaft 43, a transmission component 5, a connecting shaft 51, a bearing 52, a shaft clamp 53, a bearing gland 54, a sensor 6, an induction sheet 61, a sensor fixing seat 62, a line pressing block 7, a notch 71, an installation component 8, an output flange 81, an installation platform 82, an optical head 9 of a thermal infrared radiometer, an optical head 10 of a reflectometer, an 11Z-shaped bracket, a 12V-shaped fixing frame, a 13 clasping hoop and a 14 pressing block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Referring to fig. 1-3, the utility model provides an automatic pendulum shaft device for optical calibration and measurement, which is fixed on a rotating arm component 1 through a connecting flange 2. The device comprises a sleeve component 3, a driving component 4 and a transmission component 5 which are sequentially arranged in the sleeve component 3, and a mounting component 8 connected with the transmission component 5.
The thermal infrared radiometer optical head 9 or the reflectometer optical head 10 is fixed on the mounting component 8, when the device works, the driving component 4 drives the transmission component 5 to rotate, and meanwhile, the transmission component 5 drives the mounting component 8 fixed with the transmission component 5 to rotate, so that the multi-angle pitching oscillation of the thermal infrared radiometer optical head 9 or the reflectometer optical head 10 fixed on the mounting component 8 is realized, the observation direction of the device is consistent with the observation direction of a satellite, the reflection/emission radiation of the satellite direction is directly measured, the BRDF correction process of the traditional field measurement parameters is reduced, and the measurement precision of the surface radiation parameters is effectively improved; the pendulum shaft device drives the optical instrument measuring head to carry out high-frequency field radiation characteristic measurement, and the work efficiency of field calibration radiation measurement is improved.
The sleeve component 3 comprises a first sleeve 31 fixed with the connecting flange plate 2 and a second sleeve 32 fixedly connected with the first sleeve 31, the driving component 4 is arranged in the first sleeve 31, and the transmission component 5 is connected with the driving component 4 and penetrates through the second sleeve 32 to be connected with the mounting component 8. The first sleeve 31 and the second sleeve 32 are fixed together through bolts, so that the mounting and dismounting work of the internal components is facilitated, and the maintenance and the overhaul are facilitated.
The driving assembly 4 comprises a stepping motor 41 and a speed reducing mechanism 42 connected with the stepping motor 41, and an output shaft 43 of the speed reducing mechanism 42 is connected with the transmission assembly 5.
The transmission assembly 5 comprises a connecting shaft 51, one end of the connecting shaft 51 is connected with the mounting assembly in an embedded manner, the other end of the connecting shaft 51 is connected with the output shaft 43 of the speed reducing mechanism 42 in an inserted manner, a bearing 52 is arranged in the second sleeve 32, the connecting shaft 51 penetrates through the bearing 52 and is fixed with the inner ring of the bearing through a shaft clamp 53, and the outer ring of the bearing 52 is fixedly arranged in the second sleeve 32 through a bearing gland 54.
The sensor 6 is arranged in the second sleeve 32, the sensing piece 61 of the sensor 6 is fixed at the tail part of the connecting shaft 51, the sensor 6 is fixed on the sensor fixing seat 62, and the sensor fixing seat 62 is fixed on the end surface of the first sleeve 31. The end face of the first sleeve 31 is also provided with a line pressing block 7, and the line pressing block 7 and the second sleeve 32 form a notch 71 for pressing lines.
The sensor 6 is installed at the end face position of the first sleeve 31 and used for the control system to realize accurate position control, the line pressing block 7 is used for fixing the routing of the sensor 6, the sensor fixing seat 62 is fixed on the end face of the first sleeve 31 through screws, and the accuracy of the swing angle of the swing shaft device is guaranteed through the arrangement of the sensor 6 and the control system.
The mounting assembly 8 includes an output flange 81 fixed to the connecting shaft 51 and a mounting platform 82 fixed to the output flange 81, the output flange 81 being rotatably connected to the second sleeve 32. The mounting platform 82 may accommodate mounting of the thermal infrared radiometer head 9 and the reflectometer head 10, respectively. The method comprises the following specific steps: the mounting platform 82 is connected to the thermal infrared radiometer head 9 by mounting the V-shaped fixing frame 12, the clasping band 13, and the pressing block 14, and the mounting platform 82 fixes the reflectometer head 9 by mounting the Z-shaped bracket 11, so that the flexibility of use is high.
The device adopts a sleeve type structural design, and is exquisite and attractive; the connection with the rotating arm part is convenient; the transmission system adopts a high-integration, large-reduction-ratio and high-load mute transmission system. The device is good in overall integration, the driving signal control line and the transmission structural element are hidden in the sleeve shell, and due to the design of the structural closure, the sensor cable is prevented from being interfered outside the system, so that the accuracy and the reliability of the system are improved. The device installation connection platform can flexibly carry different measuring instruments, and realizes automatic measuring action through a control system. The specific application is as follows in fig. 2 and 3.
It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (6)
1. The utility model provides an optical calibration is measured and is used automatic balance shaft device, fixes on rocking arm part through the connection flange dish, its characterized in that: the device comprises a sleeve component, a driving component and a transmission component which are sequentially arranged in the sleeve component, and a mounting component connected with the transmission component;
the sleeve component comprises a first sleeve fixed with the connecting flange plate and a second sleeve fixedly connected with the first sleeve, the driving component is arranged in the first sleeve, and the transmission component is connected with the driving component and penetrates through the second sleeve to be connected with the mounting component.
2. An automated balance staff apparatus for optical calibration measurement according to claim 1, wherein: the driving assembly comprises a stepping motor and a speed reducing mechanism connected with the stepping motor, and an output shaft of the speed reducing mechanism is connected with the transmission assembly.
3. An automated balance staff apparatus for optical calibration measurement according to claim 2, wherein: the transmission assembly comprises a connecting shaft, one end of the connecting shaft is connected with the installation assembly in an embedded mode, the other end of the connecting shaft is connected with an output shaft of the speed reducing mechanism in an inserted mode, a bearing is arranged in the second sleeve, the connecting shaft penetrates through the bearing, and the bearing is fixedly arranged in the second sleeve through a bearing gland.
4. An automated balance staff apparatus for optical calibration measurement according to claim 3, wherein: the sensor is arranged in the second sleeve, an induction sheet of the sensor is fixed at the tail of the connecting shaft, the sensor is fixed on a sensor fixing seat, and the sensor fixing seat is fixed on the end face of the first sleeve.
5. An automated balance staff apparatus for optical calibration measurement according to claim 1, wherein: the end face of the second sleeve is also provided with a line pressing block, and a notch for pressing lines is formed when the line pressing block is fixed with the second sleeve.
6. An automated balance staff apparatus for optical calibration measurement according to claim 3, wherein: the mounting assembly comprises an output flange fixed with the output shaft and a mounting platform fixed on the output flange, and the output flange is rotatably connected with the second sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220497129.8U CN216791410U (en) | 2022-03-07 | 2022-03-07 | Automatic pendulum shaft device for optical calibration measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220497129.8U CN216791410U (en) | 2022-03-07 | 2022-03-07 | Automatic pendulum shaft device for optical calibration measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216791410U true CN216791410U (en) | 2022-06-21 |
Family
ID=82000490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220497129.8U Active CN216791410U (en) | 2022-03-07 | 2022-03-07 | Automatic pendulum shaft device for optical calibration measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216791410U (en) |
-
2022
- 2022-03-07 CN CN202220497129.8U patent/CN216791410U/en active Active
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