CN102929301B - Dynamic balance control device for telescopic system of optical measurement equipment - Google Patents
Dynamic balance control device for telescopic system of optical measurement equipment Download PDFInfo
- Publication number
- CN102929301B CN102929301B CN201210487302.7A CN201210487302A CN102929301B CN 102929301 B CN102929301 B CN 102929301B CN 201210487302 A CN201210487302 A CN 201210487302A CN 102929301 B CN102929301 B CN 102929301B
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- slide block
- control device
- dynamic balance
- cam
- balance control
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Abstract
The invention relates to a dynamic balance control device for a telescopic system of optical measurement equipment. The dynamic balance control device is arranged below a tube of a primary mirror in the telescopic system of the optical measurement equipment by a fixing frame on which a long strip-shaped cam curved groove, a slide block capable of sliding along the cam curved groove, a driving screw capable of driving the slide block to slide and an electric control system are arranged, wherein a linear displacement sensor and a cam are arranged on the cam curved groove; the linear displacement sensor can feed back the position information of the slide block to the electric control system through an input-output signal interface according to the position of the slide block; and the electric control system compares the received position information with the focus value, drives a stepping motor to drive the cam to move if the error is not zero so as to adjust the position of the slide block till the error is approximate to zero and the equipment stays in a balance state. The dynamic balance control device provided by the invention automatically adjusts the counterweight slide block according to the focus value to achieve the purpose of automatic counterbalancing, and has the characteristics of real-time adjustment, compact structure, stability in work and convenience in use.
Description
Technical field
The present invention relates to optical measuring device technical field, be specifically related to a kind of dynamic balance control device of telescopic system of optical measurement equipment.
Background technology
Optical measuring device mainly refers to gather airbound target information with optical imaging concept, treatedly obtains required trajectory parameter and target property parameter, and obtains the special measurement system of image document, is widely used among modern target range.Before optical measuring device formally uses, overall counterweight to be carried out to equipment, to keep the stable of equipment in tracking target process.Equipment (as focal length is fixed as 600mm or 2400mm) under a certain stable condition carries out counterweight, both no longer changes after counterweight completes.When focal length is from 600mm to 2400mm, zoom assembly axially shifts to B end from A end along primary mirror, has the weight difference of about 10 jin, make equipment counterweight unbalance axially, and impact is followed the tracks of.
Summary of the invention
The present invention will solve the front and back counterweight unbalance that optical measuring device of the prior art brings due to the conversion of focal length, provides a kind of dynamic balance control device of telescopic system of optical measurement equipment.
In order to solve the problems of the technologies described above, technical scheme of the present invention is specific as follows:
A dynamic balance control device for telescopic system of optical measurement equipment, this dynamic balance control device is installed on below the lens barrel of primary mirror in telescopic system of optical measurement equipment by fixed mount, and described fixed mount is respectively equipped with:
The cam curve slot of elongate in shape, this cam curve slot is provided with linear displacement transducer and cam;
The slide block that can slide along cam curve slot with the action of cam;
The drive of skid can be driven to follow closely; And
Electric-control system; Wherein
Positional information according to the position of described slide block, can be fed back to electric-control system by input/output signal interface by described linear displacement transducer;
The positional information received and focal length value can be compared by electric-control system, if error is non-vanishing, then Driving Stepping Motor, drives described cam action, and the position of adjustment slide block, until error levels off to zero, equipment is in equilibrium state.
In technique scheme, the described top driving nail to be arranged on described slide block.
In technique scheme, described slide block set is contained on described cam curve slot.
In technique scheme, described electric-control system adopts DSP digital processing unit as control core.
In technique scheme, described electric-control system can inquire about the look-up table of the inner Flash storage of DSP according to focal length value, export corresponding pulses signal Driving Stepping Motor, drive described cam action according to look-up table content.
In technique scheme, described input/output signal interface is serial ports.
The dynamic balance control device of telescopic system of optical measurement equipment of the present invention has the following advantages:
The dynamic balance control device of telescopic system of optical measurement equipment of the present invention, positioning precision is high, antijamming capability is strong, can adjust in real time according to current focal length value to weight slide block, to reach the object of exact weight.
The dynamic balance control device of telescopic system of optical measurement equipment of the present invention has that full automation, counterweight precision are high, real-time, symmetrical, the not advantage such as clamping stagnation in slide block debug process, compare with existing equipment, there is more wide usable range and superiority, can be applicable to the automatic weighing of telescopic system of optical measurement equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dynamic balance control device in a kind of embodiment of the dynamic balance control device of telescopic system of optical measurement equipment of the present invention;
Fig. 2 is the structural representation of the zoom assembly in the telescopic system of optical measurement equipment in embodiment shown in Fig. 1;
The electric-control system theory diagram that Fig. 3 is the dynamic balance control device in embodiment shown in Fig. 1.
Reference numeral in figure is expressed as:
1-fixed mount; 2-linear displacement transducer; 3-cam; 4-cam curve slot; 5-slide block; 6-drives nail; 7-input/output signal interface.
Embodiment
Invention thought of the present invention is: a kind of dynamic balance control device of telescopic system of optical measurement equipment, and this dynamic balance control device is installed on below the lens barrel of primary mirror in telescopic system of optical measurement equipment by fixed mount, and described fixed mount is respectively equipped with:
The cam curve slot of elongate in shape, this cam curve slot is provided with linear displacement transducer and cam; The slide block that can slide along cam curve slot with the action of cam; The drive of skid can be driven to follow closely; And electric-control system; Wherein
Positional information according to the position of described slide block, can be fed back to electric-control system by input/output signal interface by described linear displacement transducer; The positional information received and focal length value can be compared by electric-control system, if error is non-vanishing, then Driving Stepping Motor, drives described cam action, and the position of adjustment slide block, until error levels off to zero, equipment is in equilibrium state.
The dynamic balance control device of telescopic system of optical measurement equipment of the present invention has that full automation, counterweight precision are high, real-time, symmetrical, the not advantage such as clamping stagnation in slide block debug process, compare with existing equipment, there is more wide usable range and superiority, can be applicable to the automatic weighing of telescopic system of optical measurement equipment.
Below in conjunction with accompanying drawing, the present invention is described in detail.Fig. 1 to 3 shows a kind of embodiment of the dynamic balance control device of telescopic system of optical measurement equipment of the present invention.As illustrated in fig. 1 and 2, a kind of dynamic balance control device of telescopic system of optical measurement equipment, it is installed on below the lens barrel of primary mirror in telescopic system of optical measurement equipment by fixed mount 1, and described fixed mount 1 is respectively equipped with:
The cam curve slot 4 of elongate in shape, this cam curve slot 4 is provided with linear displacement transducer 2 and cam 3; The slide block 5 that can slide along cam curve slot 4 with the action of cam 3; The drive nail 5 that can slide with movable slider 5; And electric-control system.Described drive nail 6 is arranged on the top of described slide block 5; Described slide block 5 is sleeved on described cam curve slot 4; Described electric-control system adopts dsp processor as control core, can inquire about the look-up table of inner Flash storage, export corresponding pulses signal Driving Stepping Motor, drive the action of described cam 3 according to focal length value; Described input/output signal interface 7 is serial ports.
The dynamic balance control device of telescopic system of optical measurement equipment of the present invention, its method realizing that telescopic system of optical measurement equipment transient equilibrium controls automatically is:
As shown in Figure 3, when zoom assembly is focused between A and B end, the dynamic balance control device of telescopic system of optical measurement equipment of the present invention adopts DSP digital processing unit as control core, by the focal length value of serial ports receiving equipment, the look-up table of inner Flash storage is inquired about according to focal length value, export corresponding pulses signal Driving Stepping Motor, driving stepper motor cam 3 action.Drive nail 6 connection sliding block 5 and cam curve slot 4, slide block 5, under the drive driving nail 6, slides along cam curve slot 4.For guaranteeing the accurate of equipment counterweight, the location feedback value of weight slide block 5 and focal length value must have strict corresponding relation.Therefore on guide rail, install high-precision linear displacement transducer 2 additional.Information, according to slide block 5 position, is fed back to electric-control system by input/output signal interface 7 by linear displacement transducer 2, and the positional information received and focal length value are compared by electric-control system, if error is non-vanishing, then continue adjustment, until error levels off to zero, equipment is in equilibrium state.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (6)
1. the dynamic balance control device of a telescopic system of optical measurement equipment, it is characterized in that, this dynamic balance control device is installed on below the lens barrel of primary mirror in telescopic system of optical measurement equipment by fixed mount (1), and described fixed mount (1) is respectively equipped with:
The cam curve slot (4) of elongate in shape, this cam curve slot (4) is provided with linear displacement transducer (2) and cam (3);
The slide block (5) that can slide along cam curve slot (4) with the action of cam (3);
Drive nail (6) can slided with movable slider (5); And
Electric-control system; Wherein
Positional information according to the position of described slide block (5), can be fed back to electric-control system by input/output signal interface (7) by described linear displacement transducer (2);
The positional information received and focal length value can be compared by electric-control system, if error is non-vanishing, then and Driving Stepping Motor, drive described cam (3) action, the position of adjustment slide block (5), until error levels off to zero, equipment is in equilibrium state.
2. dynamic balance control device according to claim 1, is characterized in that, the described top driving nail (6) to be arranged on described slide block (5).
3. dynamic balance control device according to claim 1, is characterized in that, described slide block (5) is sleeved on described cam curve slot (4).
4. dynamic balance control device according to claim 1, is characterized in that, described electric-control system adopts dsp processor as control core.
5. dynamic balance control device according to claim 1, is characterized in that, described electric-control system can inquire about the look-up table of inner Flash storage according to focal length value, export corresponding pulses signal Driving Stepping Motor, drive described cam (3) action.
6. dynamic balance control device according to claim 5, is characterized in that, described input/output signal interface (7) is serial ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210487302.7A CN102929301B (en) | 2012-11-26 | 2012-11-26 | Dynamic balance control device for telescopic system of optical measurement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210487302.7A CN102929301B (en) | 2012-11-26 | 2012-11-26 | Dynamic balance control device for telescopic system of optical measurement equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102929301A CN102929301A (en) | 2013-02-13 |
| CN102929301B true CN102929301B (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210487302.7A Expired - Fee Related CN102929301B (en) | 2012-11-26 | 2012-11-26 | Dynamic balance control device for telescopic system of optical measurement equipment |
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| Country | Link |
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| CN (1) | CN102929301B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426157Y (en) * | 1999-07-19 | 2001-04-04 | 中国科学院光电技术研究所 | Program controlled high precision zoom lens |
| CN2454758Y (en) * | 2000-12-14 | 2001-10-17 | 中国科学院长春光学精密机械与物理研究所 | Compensation device of large-aperature newton type optical system |
| CN2831187Y (en) * | 2005-10-25 | 2006-10-25 | 李欣 | Camera rockerarm |
| CN201051173Y (en) * | 2007-04-06 | 2008-04-23 | 长春奥普光电技术股份有限公司 | A zooming machine based on magnetic bar guide rail and line electromotor focusing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5612595B2 (en) * | 2008-12-11 | 2014-10-22 | カール・ツァイス・エスエムティー・ゲーエムベーハー | Gravity compensator for optical elements in projection exposure apparatus |
| US8337490B2 (en) * | 2010-03-03 | 2012-12-25 | Wavelight Ag | Apparatus for movable and weight-compensating suspension of a focusing objective of a laser system |
-
2012
- 2012-11-26 CN CN201210487302.7A patent/CN102929301B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426157Y (en) * | 1999-07-19 | 2001-04-04 | 中国科学院光电技术研究所 | Program controlled high precision zoom lens |
| CN2454758Y (en) * | 2000-12-14 | 2001-10-17 | 中国科学院长春光学精密机械与物理研究所 | Compensation device of large-aperature newton type optical system |
| CN2831187Y (en) * | 2005-10-25 | 2006-10-25 | 李欣 | Camera rockerarm |
| CN201051173Y (en) * | 2007-04-06 | 2008-04-23 | 长春奥普光电技术股份有限公司 | A zooming machine based on magnetic bar guide rail and line electromotor focusing |
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| CN102929301A (en) | 2013-02-13 |
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