CN105425373A - Infrared continuous zooming optical system - Google Patents
Infrared continuous zooming optical system Download PDFInfo
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- CN105425373A CN105425373A CN201510998894.2A CN201510998894A CN105425373A CN 105425373 A CN105425373 A CN 105425373A CN 201510998894 A CN201510998894 A CN 201510998894A CN 105425373 A CN105425373 A CN 105425373A
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- compensating glass
- varifocal mirror
- assembly
- stepper motor
- guide rod
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
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- Optics & Photonics (AREA)
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- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention discloses an infrared continuous zooming optical control system. Two stepping motors are adopted to respectively drive a view field zooming optical lens and a compensation optical lens to perform corresponding linear and nonlinear movement according to respective optical requirements so that control of the two optical lens is enabled to have simple real-time controllability and high-precision positioning performance.
Description
Technical field
The present invention relates to detector technology field, particularly relate to a kind of infrared continuous zooming optical control system.
Background technology
Continuous zooming optical control system realizes whole process to target blur-free imaging by the interlock of multi-disc optical mirror slip, the continuous vari-focus system control scheme that current major part is traditional is: adopt a direct current generator to drive focusing compensating glass group to carry out focusing and compensate, another direct current generator directly drives visual field zoom optical mirror slip group to carry out the continuous zoom of visual field, it requires that the cam mechanism guide groove installing visual field zoom optical mirror slip group is nonlinear curve, therefore to the processing of cam and matching requirements very strict, and cam cutting error is difficult to control, and be difficult to revise in the later stage, thus greatly reduce the positioning precision of infrared continuous zooming optical system.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of infrared continuous zooming optical control system, the problem that the positioning precision in order to solve infrared continuous zooming optical system in prior art is low.
For solving the problem, the present invention is mainly achieved through the following technical solutions:
The invention provides a kind of infrared continuous zooming optical control system, this system comprises: varifocal mirror stepping assembly and compensating glass stepping assembly;
Described varifocal mirror stepping assembly, drives the varifocal mirror in bare engine module to carry out linear movement, accurately to locate described varifocal mirror under control of the microprocessor;
Described compensating glass stepping assembly, drives the compensating glass in bare engine module to carry out nonlinear motion, accurately to locate described compensating glass under control of the microprocessor.
Preferably, described varifocal mirror stepping assembly comprises varifocal mirror stepper motor, varifocal mirror guide rod and varifocal mirror assembly;
Described varifocal mirror stepper motor is connected with described varifocal mirror guide rod, described varifocal mirror assembly is arranged on described varifocal mirror guide rod, described varifocal mirror stepper motor drives described varifocal mirror assembly in the linear movement of described varifocal mirror guide rod under control of the microprocessor, described varifocal mirror assembly drives the varifocal mirror on it to carry out linear movement, accurately to locate described varifocal mirror.
Preferably, described varifocal mirror stepper motor is provided with the first output shaft, controls described varifocal mirror assembly at described varifocal mirror guide rod linear motion by described first output shaft.
Preferably, described compensating glass stepping assembly comprises compensating glass stepper motor, compensating glass guide rod and compensating glass assembly;
Described compensating glass stepper motor is connected with described compensating glass guide rod, described compensating glass assembly is arranged on described compensating glass guide rod, described compensating glass stepper motor drives described compensating glass assembly in the nonlinear motion of described compensating glass guide rod under control of the microprocessor, described compensating glass assembly drives the compensating glass on it to carry out nonlinear motion, accurately to locate described compensating glass.
Preferably, described compensating glass stepper motor is provided with the second output shaft, controls the nonlinear motion on described compensating glass guide rod of described compensating glass assembly by described second output shaft.
Preferably, described microprocessor obtains frequency-step-length relation when accelerating and slow down according to acceleration formula and deceleration formulae discovery, and triggers described varifocal mirror stepper motor and described compensating glass stepper motor moves;
Described acceleration formula is
described deceleration formula is
wherein, f is motor pulses speed, and g is inceptive impulse speed, acceleration when β is acceleration, m is pulse train number, and a is that described varifocal mirror stepper motor and described compensating glass stepper motor move a micro-stepping respective distances, G is maximum impulse speed, acceleration when γ is deceleration.
Preferably, described linear movement is the moving line of the varifocal mirror obtained according to simulation calculation;
Described nonlinear motion is the moving line of the described compensating glass obtained according to simulation calculation.
Preferably, described microprocessor also for real-time by the information feed back of described varifocal mirror stepping assembly, described compensating glass stepping assembly and described bare engine module to host computer.
Preferably, the first catoptron and the second catoptron is comprised in described bare engine module;
Wherein, described first catoptron is arranged in described bare engine module between compensating glass and focusing lens, for the light path between described compensating glass and described focusing lens being carried out the reflection of 90 degree;
Described second catoptron is arranged between described focusing lens in described bare engine module and described imaging len, for the light path between described focusing lens and described imaging len being carried out the reflection of 90 degree.
Beneficial effect of the present invention is as follows:
The present invention adopts two stepper motors to drive visual field zoom optical mirror slip to carry out corresponding linear processes motion according to respective optical requirement respectively, makes two optical mirror slips have easy Real time and controllable and hi-Fix.
Other features and advantages of the present invention will be set forth in the following description, and the becoming apparent from instructions of part, or by implementing the present invention and understanding.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of infrared continuous zooming optical system of the embodiment of the present invention;
Fig. 2 is stepper motor thrust and the pulsed frequency curve synoptic diagram of the embodiment of the present invention;
Fig. 3 is the structural representation of the bare engine module of the embodiment of the present invention;
Fig. 4 is the continuous vari-focus curve synoptic diagram of the embodiment of the present invention;
Fig. 5 is the infrared continuous vari-focus imaging schematic diagram of the embodiment of the present invention;
Fig. 6 is the circuit diagram of the interface chip of the embodiment of the present invention;
Fig. 7 is the circuit diagram of the microprocessor of the embodiment of the present invention;
Fig. 8 is the circuit diagram of the stepper motor driver chip of the embodiment of the present invention;
Fig. 9 is the circuit diagram of the power module of the embodiment of the present invention;
Figure 10 is the varifocal mirror stepping assembly of the embodiment of the present invention and the structural representation of compensating glass stepping assembly.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing forms the application's part, and together with embodiments of the present invention for explaining principle of the present invention.For purpose of clarity and simplification, when it may make theme of the present invention smudgy, illustrating in detail of known function and structure in device described herein will be omitted.
In order to the problem that the positioning precision solving the infrared continuous zooming optical system of prior art is low, the invention provides a kind of infrared continuous zooming optical system, below in conjunction with accompanying drawing and several embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, do not limit the present invention.
The infrared continuous zooming optical control system of the one that the embodiment of the present invention provides, see Fig. 1, this system comprises: varifocal mirror stepping assembly and compensating glass stepping assembly;
Described varifocal mirror stepping assembly, drives the varifocal mirror in bare engine module to carry out linear movement, accurately to locate described varifocal mirror under control of the microprocessor;
Described compensating glass stepping assembly, drives the compensating glass in bare engine module to carry out nonlinear motion, accurately to locate described compensating glass under control of the microprocessor.
The present invention adopts varifocal mirror stepping assembly and compensating glass stepping assembly to drive visual field zoom optical mirror slip to carry out corresponding linear processes motion according to respective optical requirement respectively, makes two optical mirror slips have easy Real time and controllable and hi-Fix.
Described in the embodiment of the present invention, varifocal mirror stepping assembly comprises varifocal mirror stepper motor, varifocal mirror guide rod and varifocal mirror assembly;
Described varifocal mirror stepper motor is connected with described varifocal mirror guide rod, described varifocal mirror assembly is arranged on described varifocal mirror guide rod, described varifocal mirror stepper motor drives described varifocal mirror assembly in the linear movement of described varifocal mirror guide rod under control of the microprocessor, described varifocal mirror assembly drives the varifocal mirror on it to carry out linear movement, accurately to locate described varifocal mirror.
The present invention realizes the accurate control to varifocal mirror by varifocal mirror stepping assembly.
During concrete enforcement, described in the embodiment of the present invention, varifocal mirror stepper motor is provided with the first output shaft, controls described varifocal mirror assembly at described varifocal mirror guide rod linear motion by described first output shaft.
Described in the embodiment of the present invention, compensating glass stepping assembly comprises compensating glass stepper motor, compensating glass guide rod and compensating glass assembly;
Described compensating glass stepper motor is connected with described compensating glass guide rod, described compensating glass assembly is arranged on described compensating glass guide rod, described compensating glass stepper motor drives described compensating glass assembly in the nonlinear motion of described compensating glass guide rod under control of the microprocessor, described compensating glass assembly drives the compensating glass on it to carry out nonlinear motion, accurately to locate described compensating glass.
During concrete enforcement, described in the embodiment of the present invention, compensating glass stepper motor is provided with the second output shaft, controls the nonlinear motion on described compensating glass guide rod of described compensating glass assembly by described second output shaft.
During concrete enforcement, the described microprocessor of the embodiment of the present invention obtains frequency-step-length relation when accelerating and slow down according to acceleration formula and deceleration formulae discovery, and triggers described varifocal mirror stepper motor and described compensating glass stepper motor moves;
Described acceleration formula is
described deceleration formula is
wherein, f is motor pulses speed, and g is inceptive impulse speed, acceleration when β is acceleration, m is pulse train number, and a is that described varifocal mirror stepper motor and described compensating glass stepper motor move a micro-stepping respective distances, G is maximum impulse speed, acceleration when γ is deceleration.
Linear movement described in the embodiment of the present invention is the moving line of the varifocal mirror obtained according to simulation calculation; Described nonlinear motion is the moving line of the described compensating glass obtained according to simulation calculation.
Microprocessor described in the embodiment of the present invention also for real-time by the information feed back of described varifocal mirror stepping assembly, described compensating glass stepping assembly and described bare engine module to host computer.
The first catoptron and the second catoptron is comprised in bare engine module described in the embodiment of the present invention;
Wherein, described first catoptron is arranged in described bare engine module between compensating glass and focusing lens, for the light path between described compensating glass and described focusing lens being carried out the reflection of 90 degree;
Described second catoptron is arranged between described focusing lens in described bare engine module and described imaging len, for the light path between described focusing lens and described imaging len being carried out the reflection of 90 degree.
In order to better make an explanation to system of the present invention, below in conjunction with Fig. 1-10, system of the present invention is described:
Fig. 1 is the structural representation of a kind of infrared continuous zooming optical system of the embodiment of the present invention, and as shown in Figure 1, this system specifically comprises:
Electronics control module forms primarily of microprocessor, power supply, motor driver and motor.
Microprocessor module accepts the order of host computer transmission by interface chip, and by feedback of status to host computer.Send pulse signal to motor drive ic after microprocessor takes orders, driving chip sends to stepper motor, with control step motor speed and turning to by after the signal transacting that micro-process sent.
Continuous vari-focus ray machine module is made up of four optical mirror slips and drive mechanism parts, realize visual field continuous zoom by the focus-variable lens controlled wherein with the interlock compensating eyeglass, the varifocal mirror in this module and the interlock of compensating glass are connected with two stepper motors with guide rail by bearing.
In electronics control module, microprocessor module is made up of C8051F121 chip and peripheral resistance, electric capacity.That interface chip is selected is MAX3070ESAD.Microprocessor C8051F121 passes through interface chip MAX3070ESAD and receives host computer order and the state of transmission, and C8051F121 inside realizes the generation of motor control algorithms calculating and motor control signal.
Described power module is made up of power supply chip LMZ14203, power supply chip LT1763-3.3, wave filter RN112 and peripheral resistance capacitance.The 28V power conversion of input is 5V voltage by power supply chip LMZ14203, supply microprocessor and driving chip.5V photovoltaic conversion is 3.3V voltage by power supply chip LT1763-3.3, supply microprocessor.Wave filter RN112 realizes power filter, filters out the noise on power supply.
That the driving chip in control module remittance is selected is THB6128, its effect is the impulse type motor control signal receiving microprocessor transmission, and be converted into can the sinusoidal signal diverged to of 4 tunnel phase places of Driving Stepping Motor, four road signals access on bipolar stepping motor line respectively, and drive motor completes motion by set step.
Described stepper motor model is E21H4AD-05, is hybrid bypolar stepper motor, and stepping accuracy is 0.02mm, drives optical module motion to realize continuous vari-focus by guide rail and bearing.In order to avoid motor resonance step-out and raising motor positioning precision, stepping accuracy 16 differential are carried out, simultaneously according to selecting stepper motor featured configuration motor speed and drive pattern.The characteristic of this motor is shown in Fig. 2:
Consider the compromise of load and zoom speed, the maximum impulse speed of control step motor is 800 steps/second, this just relates to stepper motor acceleration and deceleration process, and in order to prevent stepper motor from losing step in acceleration and deceleration process, can deriving according to Acceleration Formula, to add process as follows:
In formula: f is motor pulses speed, g is inceptive impulse speed, and β is acceleration, and m is pulse train number, and a is motor removing micro-stepping respective distances, a=0.00125mm in this programme.
Derivation moderating process is as follows:
In formula: f is motor pulses speed, G is maximum impulse speed, and γ is acceleration, and m is pulse train number, and a is motor removing micro-stepping respective distances.
The frequency obtained by above-mentioned formula-step-length relation, and convert array formats to stored in the in-chip FLASH of microprocessor, stepper motor calls this parameter when accelerating and slow down.
Be mainly concerned with the coordinated signals technology to varifocal mirror and compensating glass in continuous vari-focus ray machine module of the present invention, wherein Fig. 3 is seen in varifocal mirror and the compensating glass position in optical system, and in invention, the optically curve movement of varifocal mirror and compensating glass as shown in Figure 4.
The track of varifocal mirror is linear movement (being convenient at the uniform velocity control) as shown in Figure 4, and the track of compensating glass is nonlinear motion, and Y-axis represents the variable quantity of optical focal length value, and X-axis represents focus-variable lens and compensates the position of eyeglass relative to front end object lens.In design, two curve movements are divided into many discrete points, and one_to_one corresponding, discrete point is made by software control procedure array and be stored in the Flash of microprocessor, during motor movement, call relevant parameter.
Facts have proved, after adopting system of the present invention, infrared continuous zooming optical system is provided with real-time adjustability, compensate for the error produced after machining error and physical construction are worn and torn for a long time, has good compensate function.In motor speed control, done optimized algorithm control design case in invention design, what avoid motor loses step phenomenon, substantially increases motor traveling comfort.
Fig. 5 is the infrared continuous zooming optical system imaging effect figure staring the infrared movement coupling focal length 40mm ~ 360mm of focal plane infrared detector module based on medium wave 320 × 256 adopting the technology of the present invention, can blur-free imaging in continuous vari-focus process, its imaging results is shown in Fig. 5:
As shown in Figure 6, UART_TX_PT, UART_RX_PT end of interface chip MAX3070EASD is connected with microprocessor, and RX+, RX-, TX+ are directly connected with host computer with TX-end, realize serial ports RS422 level conversion.
As shown in Figure 7, microprocessor C8051F121 is connected with interface chip by P0.0 with P0.1 port (UART_TX_PT, UART_RX_PT), and docking port chip accepts and sends Serial Port Information.Microprocessor internal stores continuous vari-focus curve data, curve data is read by step in operational process, transmitted control signal to connecting a stepper motor driver chip by M1_EN, M1_CCW, M1_CLK, M2_EN, M2_CC and M2_CLK end through internal processes computing, thus Driving Stepping Motor moves on request.Wherein EN is motor enable signal, and CCW is motor steering control signal, and CLK is electric machine rotation driving pulse.
As shown in Figure 8, two interface chip THB6128 are connected with micro-process with M2_CLK end by M1_EN, M1_CCW, M1_CLK, M2_EN, M2_CC, receive microprocessor motor control signal.Be connected with stepper motor by M1_OUT1A, M1_OUT1B, M1_OUT2A, M1_OUT2B, M2_OUT1A, M2_OUT1B, M2_OUT2A and M2_OUT2B end, driving chip is transformed to microprocessor motor control signal through inter-process can the signal of direct-driving motor
As shown in Figure 9,28V power supply is inputted first through RN112 and inductor filter in power module, a 28V power supply part directly supplies driving chip, part service voltage conversion chip LMZ14203,28V photovoltaic conversion is 5V voltage by LMZ14203, the supply of 5V voltage microprocessor, driving chip and voltage conversion chip LT1763-3.3.The 5V photovoltaic conversion of LT1763-3.3 input is the 3.3V that microprocessor needs.
As shown in Figure 10, varifocal mirror stepping assembly of the present invention comprises varifocal mirror stepper motor, varifocal mirror guide rod and varifocal mirror assembly, varifocal mirror stepper motor is connected with varifocal mirror guide rod, varifocal mirror assembly is arranged on varifocal mirror guide rod, varifocal mirror stepper motor drives varifocal mirror assembly in the linear movement of varifocal mirror guide rod under control of the microprocessor, varifocal mirror assembly drives the varifocal mirror on it to carry out linear movement, accurately to locate varifocal mirror.Varifocal mirror stepper motor is provided with the first output shaft, controls varifocal mirror assembly at varifocal mirror guide rod linear motion by the first output shaft.
Compensating glass stepping assembly of the present invention comprises compensating glass stepper motor, compensating glass guide rod and compensating glass assembly, compensating glass stepper motor is connected with compensating glass guide rod, compensating glass assembly is arranged on compensating glass guide rod, compensating glass stepper motor drives compensating glass assembly in the nonlinear motion of compensating glass guide rod under control of the microprocessor, compensating glass assembly drives the compensating glass on it to carry out nonlinear motion, accurately to locate compensating glass.Compensating glass stepper motor is provided with the second output shaft, by second output shaft control and compensation mirror assembly nonlinear motion on compensating glass guide rod.
It should be noted that, compensating glass guide rod of the present invention and varifocal mirror guide rod are two respectively, better to keep the easy motion of compensating glass and varifocal mirror, and the varifocal mirror assembly of the embodiment of the present invention and compensating glass assembly are 1 respectively, two the varifocal mirror assemblies drawn in Figure 10 and compensating glass assembly are the moveable scopes only illustrating assembly.
The present invention adopts two stepper motors to drive visual field zoom optical mirror slip to carry out corresponding linear processes motion according to respective optical requirement respectively, thus makes two optical mirror slips have easy Real time and controllable and hi-Fix.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. an infrared continuous zooming optical control system, is characterized in that, comprising: varifocal mirror stepping assembly and compensating glass stepping assembly;
Described varifocal mirror stepping assembly, drives the varifocal mirror in bare engine module to carry out linear movement, accurately to locate described varifocal mirror under control of the microprocessor;
Described compensating glass stepping assembly, drives the compensating glass in bare engine module to carry out nonlinear motion, accurately to locate described compensating glass under control of the microprocessor.
2. system according to claim 1, is characterized in that, described varifocal mirror stepping assembly comprises varifocal mirror stepper motor, varifocal mirror guide rod and varifocal mirror assembly;
Described varifocal mirror stepper motor is connected with described varifocal mirror guide rod, described varifocal mirror assembly is arranged on described varifocal mirror guide rod, described varifocal mirror stepper motor drives described varifocal mirror assembly in the linear movement of described varifocal mirror guide rod under control of the microprocessor, described varifocal mirror assembly drives the varifocal mirror on it to carry out linear movement, accurately to locate described varifocal mirror.
3. system according to claim 2, is characterized in that,
Described varifocal mirror stepper motor is provided with the first output shaft, controls described varifocal mirror assembly at described varifocal mirror guide rod linear motion by described first output shaft.
4. according to the system in claim 1-3 described in any one, it is characterized in that, described compensating glass stepping assembly comprises compensating glass stepper motor, compensating glass guide rod and compensating glass assembly;
Described compensating glass stepper motor is connected with described compensating glass guide rod, described compensating glass assembly is arranged on described compensating glass guide rod, described compensating glass stepper motor drives described compensating glass assembly in the nonlinear motion of described compensating glass guide rod under control of the microprocessor, described compensating glass assembly drives the compensating glass on it to carry out nonlinear motion, accurately to locate described compensating glass.
5. system according to claim 4, is characterized in that,
Described compensating glass stepper motor is provided with the second output shaft, controls the nonlinear motion on described compensating glass guide rod of described compensating glass assembly by described second output shaft.
6. the system according to claim 2 or 4, is characterized in that,
Described microprocessor obtains frequency-step-length relation when accelerating and slow down according to acceleration formula and deceleration formulae discovery, and triggers described varifocal mirror stepper motor and described compensating glass stepper motor moves;
Described acceleration formula is
described deceleration formula is
wherein, f is motor pulses speed, and g is inceptive impulse speed, acceleration when β is acceleration, m is pulse train a is that described varifocal mirror stepper motor and described compensating glass stepper motor move a micro-stepping respective distances, and G is maximum impulse speed, acceleration when γ is deceleration.
7. system according to claim 1, is characterized in that,
Described linear movement is the moving line of the varifocal mirror obtained according to simulation calculation;
Described nonlinear motion is the moving line of the described compensating glass obtained according to simulation calculation.
8. system according to claim 1, is characterized in that,
Described microprocessor also for real-time by the information feed back of described varifocal mirror stepping assembly, described compensating glass stepping assembly and described bare engine module to host computer.
9. system according to claim 1, is characterized in that, comprises the first catoptron and the second catoptron in described bare engine module;
Wherein, described first catoptron is arranged in described bare engine module between compensating glass and focusing lens, for the light path between described compensating glass and described focusing lens being carried out the reflection of 90 degree;
Described second catoptron is arranged between described focusing lens in described bare engine module and described imaging len, for the light path between described focusing lens and described imaging len being carried out the reflection of 90 degree.
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| CN201510998894.2A CN105425373B (en) | 2015-12-28 | 2015-12-28 | A kind of infrared continuous zooming optical system |
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| CN201510998894.2A CN105425373B (en) | 2015-12-28 | 2015-12-28 | A kind of infrared continuous zooming optical system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873275A (en) * | 2018-06-11 | 2018-11-23 | 青岛奥美克医疗科技有限公司 | Zoom adapter optical system, zoom adapter and endoscopic system |
| CN109491040A (en) * | 2018-12-13 | 2019-03-19 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of continuous vari-focus control method and system for infrared specific visual field |
| CN111025608A (en) * | 2019-12-05 | 2020-04-17 | 湖北久之洋红外系统股份有限公司 | Ultra-compact continuous zooming medium-wave infrared optical system |
| CN113917647A (en) * | 2021-09-09 | 2022-01-11 | 西安应用光学研究所 | Multi-component continuous zoom lens device based on stepping motor and control method |
| CN115097590A (en) * | 2022-05-30 | 2022-09-23 | 昆明北方红外技术股份有限公司 | Zooming guide driving mechanism of infrared optical system and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000199844A (en) * | 1999-01-06 | 2000-07-18 | Asahi Optical Co Ltd | Step zoom lens camera |
| 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 |
| US20040090682A1 (en) * | 2002-10-31 | 2004-05-13 | Pentax Corporation | Cam mechanism |
| CN103744166A (en) * | 2014-01-23 | 2014-04-23 | 西安应用光学研究所 | Linear amphi-linkage continuous zoom optical system |
-
2015
- 2015-12-28 CN CN201510998894.2A patent/CN105425373B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000199844A (en) * | 1999-01-06 | 2000-07-18 | Asahi Optical Co Ltd | Step zoom lens camera |
| 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 |
| US20040090682A1 (en) * | 2002-10-31 | 2004-05-13 | Pentax Corporation | Cam mechanism |
| CN103744166A (en) * | 2014-01-23 | 2014-04-23 | 西安应用光学研究所 | Linear amphi-linkage continuous zoom optical system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873275A (en) * | 2018-06-11 | 2018-11-23 | 青岛奥美克医疗科技有限公司 | Zoom adapter optical system, zoom adapter and endoscopic system |
| CN108873275B (en) * | 2018-06-11 | 2020-12-29 | 青岛奥美克医疗科技有限公司 | Zoom adapter optical system, zoom adapter, and endoscope system |
| CN109491040A (en) * | 2018-12-13 | 2019-03-19 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of continuous vari-focus control method and system for infrared specific visual field |
| CN109491040B (en) * | 2018-12-13 | 2021-03-05 | 中国航空工业集团公司洛阳电光设备研究所 | Continuous zooming control method and system for infrared specific view field |
| CN111025608A (en) * | 2019-12-05 | 2020-04-17 | 湖北久之洋红外系统股份有限公司 | Ultra-compact continuous zooming medium-wave infrared optical system |
| CN111025608B (en) * | 2019-12-05 | 2021-12-17 | 湖北久之洋红外系统股份有限公司 | Ultra-compact continuous zooming medium-wave infrared optical system |
| CN113917647A (en) * | 2021-09-09 | 2022-01-11 | 西安应用光学研究所 | Multi-component continuous zoom lens device based on stepping motor and control method |
| CN115097590A (en) * | 2022-05-30 | 2022-09-23 | 昆明北方红外技术股份有限公司 | Zooming guide driving mechanism of infrared optical system and control method |
| CN115097590B (en) * | 2022-05-30 | 2024-02-02 | 昆明北方红外技术股份有限公司 | Infrared optical system zooming guide driving mechanism and control method |
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