CN106705994A - Simulated load device for optical whiskbroom platforms - Google Patents
Simulated load device for optical whiskbroom platforms Download PDFInfo
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- CN106705994A CN106705994A CN201611020672.4A CN201611020672A CN106705994A CN 106705994 A CN106705994 A CN 106705994A CN 201611020672 A CN201611020672 A CN 201611020672A CN 106705994 A CN106705994 A CN 106705994A
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- connecting shaft
- intermediate mass
- balancing weight
- connecting rod
- optical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
Abstract
The invention belongs to the technical field of whiskbroom imaging, and particularly relates to a simulated load device for optical whiskbroom platforms. The device, which adopts a cantilever type structure form, comprises a central block, a first connecting shaft, a second connecting shaft, connecting rods, first clump weights, second clump weights, a cubic mirror, a fiber-optic gyroscope, and a simulated imager. Compared with the prior art, the technical solution of the invention is used for the experimental debugging of an optical whiskbroom platform, static and dynamic parameters are more consistent with the static and dynamic parameters of an actual load, the precision of measurement is high, and the application requirements of high-precision control debugging and experimental tests are met.
Description
Technical field
The invention belongs to sweeping technical field of imaging, and in particular to a kind of fictitious load dress for optics sweeping platform
Put, particularly a kind of high-precision optical sweeping platform experimental debugging device for being applied to aviation carrying.
Background technology
Sweeping imaging is one of main operation modes that optical imagery instrument is carried in aviation, and its course of work is for carrying light
The platform for learning instrument has required precision higher.Optics sweeping platform needs frequently to start in the course of the work, brakes, changes
To startup load is big with inertia force, and needs to overcome the vibration of aviation carrier and the high/low temperature of external environment.Therefore, optics pendulum
Put down platform needs a kind of analogue loading device in type-approval process is developed, and meets its high-precision control debugging and substantial amounts of environment reality
Test requirement.
In the prior art, analogue loading device is used mostly whole material block and processes, and is only capable of from quality, barycenter, turns
Several aspect simulated optical measuring instruments such as dynamic inertia, in space, volume is limited or platform has a case that multi-axis turning function
Under, it is difficult to obtain preferable quality, rotary inertia value.Means of testing is used mostly the detector that optics sweeping platform is carried, from
Body lacks high-precision measuring instrument.Additionally, the rigidity of the analogue loading device processed using whole block material is much high
In optical gauge, lack and simulated for dynamic property, it is difficult to meet the commissioning requirements of high-precision optical platform.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is：How a kind of experimental debugging for optics sweeping platform is provided and loads dress
Put, meet the high-precision optical platform ground debugging use requirement of aviation carrying.
(2) technical scheme
In order to solve the above technical problems, the present invention provides a kind of analogue loading device for optics sweeping platform, the dress
Put using cantilever structure form, including：Intermediate mass 1, the first connecting shaft 2, the second connecting shaft 3, connecting rod 4, the first balancing weight
5th, the second balancing weight 6, prism square 8, optical fibre gyro 13, analog imaging device 14；Wherein,
The main part of the fictitious load of the intermediate mass 1, the first connecting shaft 2, the second connecting shaft 3, prism square 8, optical fiber top
Spiral shell 13, analog imaging device 14 are directly installed on intermediate mass 1；First balancing weight 5, the second balancing weight 6 are by connecting rod 4 with
Between block 1 connect.For the ease of dismounting and transporting, 12- handles and hole for hoist are designed with the outside of fictitious load.
The intermediate mass 1 is the equal cavity metal square block of the length of side, is set respectively in three pairs of symmetrical planes
It is equipped with the screwed hole and the first connecting shaft 2, the blind hole of the cooperation of the second connecting shaft 3 and analog imaging device 14 being connected with connecting rod 4
The through hole of connection；Three pairs of symmetrical plane definitions are：First pair of symmetrical plane of first direction, the of second direction
Two pairs of symmetrical planes, the 3rd pair of symmetrical planes of third direction；Three pairs of planes constitute six faces of square；
First connecting shaft 2, the second connecting shaft 3 are two hollow multi-diameter shafts of various outer diameter, be connected by screw in
On first pair of symmetrical plane of the both sides first direction of intermediate mass 1, the position of the first connecting shaft 2, the second connecting shaft 3 and intermediate mass 1
Relation through hole shaft hole matching ensures there is axiality higher；First connecting shaft 2, the second connecting shaft 3 are put by screw and optics
Platform connection is put down, its internal diameter and external diameter are by being calculated, it is ensured that the fundamental frequency of analogue loading device meets use requirement；
First balancing weight 5, the second balancing weight 6 are rectangular metal block, and it is balancing weight group, two that both are connected by screw
Weights stack is assembled to be installed on second pair of symmetrical plane of the both sides second direction of intermediate mass 1 by connecting rod 4；First balancing weight 5,
The length of the shape, material and connecting rod 4 of the second balancing weight 6 is by being calculated, it is ensured that the quality of analogue loading device, matter
The heart, rotary inertia meet use requirement；
The prism square 8 is arranged on intermediate mass 1 by prism square mounting bracket 7, and it is used to calibrate analogue loading device
Position relationship and between optical rotating stage, it is ensured that the repeatable accuracy after analogue loading device dismounting；
The optical fibre gyro 13 is arranged on the side of the screwed hole plane of symmetry being connected with connecting rod 4 on intermediate mass 1；Optical fiber top
The kinematic parameter that spiral shell 13 is calculated is transmitted to the controller of outside by data wire, and then can be to the motion of optics sweeping platform
State carries out accurate measurement.
(3) beneficial effect
Compared with prior art, technical solution of the present invention is used for optics sweeping platform experimental debugging, static, dynamic parameter
More it is consistent with actual loading, certainty of measurement is high, meets high-precision control debugging and experiment test use requirement.
Brief description of the drawings
Fig. 1 is analogue loading device schematic diagram of the present invention for optics sweeping platform.
Wherein, 1：Intermediate mass；2：First connecting shaft；3：Second connecting shaft；4：Connecting rod；5：First balancing weight；6：Second
Balancing weight；7：Prism square mounting bracket；8：Prism square；9：Pitching is mounted support；10：Pitching limited block；11：Pitching is spacing
Buffer stopper；12：Handle；13：Optical fibre gyro；14：Analog imaging device.
Fig. 2 is connecting rod, the first balancing weight, the connected mode schematic diagram of the second balancing weight.
Wherein, the first balancing weight 5, the second balancing weight 6 are a balancing weight group using mode connects for screw, and two assemble pouring weight group difference
By 4 connecting rods 4, the symmetrical both sides of intermediate mass 1 are connected to.
Fig. 3 is the connected mode schematic diagram of intermediate mass, the first connecting shaft and the second connecting shaft.
Wherein, the first connecting shaft 2, the second connecting shaft 3 ensured with the position relationship of intermediate mass by shaft hole matching, by spiral shell
Clench and be solidly connected.First connecting shaft 2, the second connecting shaft 3 are connected by screw with optics sweeping platform.
Specific embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to of the invention
Specific embodiment is described in further detail.
In order to solve the above technical problems, the present invention provides a kind of analogue loading device for optics sweeping platform, the dress
Put and use cantilever structure form, as shown in Figure 1-Figure 3, including：Intermediate mass 1, the first connecting shaft 2, the second connecting shaft 3, connection
Bar 4, the first balancing weight 5, the second balancing weight 6, prism square 8, optical fibre gyro 13, analog imaging device 14；Wherein,
The main part of the fictitious load of the intermediate mass 1, the first connecting shaft 2, the second connecting shaft 3, prism square 8, optical fiber top
Spiral shell 13, analog imaging device 14 are directly installed on intermediate mass 1；First balancing weight 5, the second balancing weight 6 are by connecting rod 4 with
Between block 1 connect.For the ease of dismounting and transporting, 12- handles and hole for hoist are designed with the outside of fictitious load.
The intermediate mass 1 is the equal cavity metal square block of the length of side, is set respectively in three pairs of symmetrical planes
It is equipped with the screwed hole and the first connecting shaft 2, the blind hole of the cooperation of the second connecting shaft 3 and analog imaging device 14 being connected with connecting rod 4
The through hole of connection；Three pairs of symmetrical plane definitions are：First pair of symmetrical plane of first direction, the of second direction
Two pairs of symmetrical planes, the 3rd pair of symmetrical planes of third direction；Three pairs of planes constitute six faces of square；
First connecting shaft 2, the second connecting shaft 3 are two hollow multi-diameter shafts of various outer diameter, be connected by screw in
On first pair of symmetrical plane of the both sides first direction of intermediate mass 1, the position of the first connecting shaft 2, the second connecting shaft 3 and intermediate mass 1
Relation through hole shaft hole matching ensures there is axiality higher；First connecting shaft 2, the second connecting shaft 3 are put by screw and optics
Platform connection is put down, its internal diameter and external diameter are by being calculated, it is ensured that the fundamental frequency of analogue loading device meets use requirement；
First balancing weight 5, the second balancing weight 6 are rectangular metal block, and it is balancing weight group, two that both are connected by screw
Weights stack is assembled to be installed on second pair of symmetrical plane of the both sides second direction of intermediate mass 1 by connecting rod 4；First balancing weight 5,
The length of the shape, material and connecting rod 4 of the second balancing weight 6 is by being calculated, it is ensured that the quality of analogue loading device, matter
The heart, rotary inertia meet use requirement；
The prism square 8 is arranged on intermediate mass 1 by prism square mounting bracket 7, and it is used to calibrate analogue loading device
Position relationship and between optical rotating stage, it is ensured that the repeatable accuracy after analogue loading device dismounting；
The optical fibre gyro 13 is arranged on the side of the screwed hole plane of symmetry being connected with connecting rod 4 on intermediate mass 1；Optical fiber top
The kinematic parameter that spiral shell 13 is calculated is transmitted to the controller of outside by data wire, and then can be to the motion of optics sweeping platform
State carries out accurate measurement.
Embodiment 1
The present embodiment provides a kind of analogue loading device for optics sweeping platform, and as shown in Figure 1-Figure 3, it includes：
Intermediate mass 1, the first connecting shaft 2, the second connecting shaft 3, connecting rod 4, the first balancing weight 5, the second balancing weight 6, prism square 8, optical fiber
Gyro 13, analog imaging device 14；
First balancing weight 5, the second balancing weight 6 are installed on intermediate mass 1 using cantilevered fashion by connecting rod 4, its quality
With jib-length by being calculated, it is ensured that analogue loading device has desired quality, barycenter and rotary inertia parameter.First
Connecting shaft 2, the second connecting shaft 3 ensure that two axles have axiality higher by shaft hole matching, and its internal diameter and external diameter are by calculating
Obtain, it is ensured that the fundamental frequency of analogue loading device meets use requirement.Prism square 8 is arranged on by prism square mounting bracket 7
On intermediate mass 1, it is determined that the position relationship between mark analogue loading device and optical rotating stage, it is ensured that after analogue loading device is dismounted
Repeatable accuracy；Optical fibre gyro 13 calculates the kinematic parameter of analogue loading device, and then obtains the control essence of optics sweeping platform
Degree.
During static debugging and dynamic experiment, it is spacing slow that pitching is mounted support 9, pitching limited block 10, pitching
Rush block 11 to play a protective role analogue loading device, prevent stress rupture caused by driving.
Optical fibre gyro 13 is arranged on the side of the screwed hole plane of symmetry being connected with connecting rod 4 on intermediate mass 1.Optical fibre gyro 13
Resolve the kinematic parameter of fictitious load and the controller of outside is transmitted to by data wire, and then realize by the side of internal measurement
Formula is estimated to the motion state of optics sweeping platform.
Analog imaging device 14 is arranged on intermediate mass 1 on through hole, and it can be imaged and then from the angle of optical imagery with sweeping,
Optimization to optics sweeping platform courses parameter provides reference frame.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (1)
1. a kind of analogue loading device for optics sweeping platform, it is characterised in that the device uses cantilever structure form,
Including：Intermediate mass (1), the first connecting shaft (2), the second connecting shaft (3), connecting rod (4), the first balancing weight (5), the second balancing weight
(6), prism square (8), optical fibre gyro (13), analog imaging device (14)；Wherein,
The main part of intermediate mass (1) fictitious load, the first connecting shaft (2), the second connecting shaft (3), prism square (8), light
Fine gyro (13), analog imaging device (14) are directly installed on intermediate mass (1)；First balancing weight (5), the second balancing weight (6)
It is connected with intermediate mass (1) by connecting rod (4).For the ease of dismounting and transporting, be designed with the outside of fictitious load 12- handles and
Hole for hoist.
The intermediate mass (1) is the equal cavity metal square block of the length of side, is respectively provided with three pairs of symmetrical planes
There are the screwed hole and the first connecting shaft (2), the blind hole of the second connecting shaft (3) cooperation and analog imaging being connected with connecting rod (4)
The through hole of device (14) connection；Three pairs of symmetrical plane definitions are：First pair of symmetrical plane, second party of first direction
To second pair of symmetrical plane, third direction the 3rd pair of symmetrical plane；Three pairs of planes constitute six faces of square；
First connecting shaft (2), the second connecting shaft (3) are two hollow multi-diameter shafts of various outer diameter, be connected by screw in
On first pair of symmetrical plane of intermediate mass (1) both sides first direction, the first connecting shaft (2), the second connecting shaft (3) and intermediate mass
(1) position relationship through hole shaft hole matching ensures there is axiality higher；First connecting shaft (2), the second connecting shaft (3) pass through
Screw is connected with optics sweeping platform, and its internal diameter and external diameter are by being calculated, it is ensured that the fundamental frequency of analogue loading device is expired
Sufficient use requirement；
First balancing weight (5), the second balancing weight (6) are rectangular metal block, and it is balancing weight group, two that both are connected by screw
Weights stack is assembled to be installed on second pair of symmetrical plane of intermediate mass (1) both sides second direction by connecting rod (4)；First counterweight
The length of block (5), the shape of the second balancing weight (6), material and connecting rod (4) is by being calculated, it is ensured that analogue loading device
Quality, barycenter, rotary inertia meet use requirement；
By prism square mounting bracket (7) on intermediate mass (1), it is used to calibrate fictitious load dress the prism square (8)
Put the position relationship and between optical rotating stage, it is ensured that the repeatable accuracy after analogue loading device dismounting；
The side of the screwed hole plane of symmetry that the optical fibre gyro (13) is connected on intermediate mass (1) with connecting rod (4)；Optical fiber
The kinematic parameter that gyro (13) is calculated is transmitted to the controller of outside by data wire, and then can be to optics sweeping platform
Motion state carries out accurate measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020672.4A CN106705994A (en) | 2016-11-18 | 2016-11-18 | Simulated load device for optical whiskbroom platforms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020672.4A CN106705994A (en) | 2016-11-18 | 2016-11-18 | Simulated load device for optical whiskbroom platforms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106705994A true CN106705994A (en) | 2017-05-24 |
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ID=58940996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611020672.4A Pending CN106705994A (en) | 2016-11-18 | 2016-11-18 | Simulated load device for optical whiskbroom platforms |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107367267A (en) * | 2017-07-28 | 2017-11-21 | 长光卫星技术有限公司 | The method that aerial surveying camera and boat based on the imaging of stepping framing type take the photograph imaging |
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| CN104567823A (en) * | 2015-01-21 | 2015-04-29 | 中国科学院上海技术物理研究所 | Variable damping high-frequency vibration image motion compensation device of airborne area array imager |
| CN104750123A (en) * | 2015-03-31 | 2015-07-01 | 中国科学院上海技术物理研究所 | Large-visual-field whisk broom bidirectional image shifting compensation onboard area array imager |
| EP1895472B1 (en) * | 2006-08-31 | 2016-10-05 | Sierra Nevada Corporation | System and method for 3D radar image rendering |
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2016
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Patent Citations (3)
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| EP1895472B1 (en) * | 2006-08-31 | 2016-10-05 | Sierra Nevada Corporation | System and method for 3D radar image rendering |
| CN104567823A (en) * | 2015-01-21 | 2015-04-29 | 中国科学院上海技术物理研究所 | Variable damping high-frequency vibration image motion compensation device of airborne area array imager |
| CN104750123A (en) * | 2015-03-31 | 2015-07-01 | 中国科学院上海技术物理研究所 | Large-visual-field whisk broom bidirectional image shifting compensation onboard area array imager |
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| 董浩等: "载机偏航运动对大视场红外扫描装置成像质量影响的仿真分析", 《红外与激光工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107367267A (en) * | 2017-07-28 | 2017-11-21 | 长光卫星技术有限公司 | The method that aerial surveying camera and boat based on the imaging of stepping framing type take the photograph imaging |
| CN107367267B (en) * | 2017-07-28 | 2019-08-16 | 长光卫星技术有限公司 | The method that aerial surveying camera and boat based on the imaging of stepping framing type take the photograph imaging |
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Application publication date: 20170524 |