CN210982867U - Six parallelly connected piezoelectricity actuating picture frame gesture automatic regulating system - Google Patents
Six parallelly connected piezoelectricity actuating picture frame gesture automatic regulating system Download PDFInfo
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- CN210982867U CN210982867U CN201922056353.4U CN201922056353U CN210982867U CN 210982867 U CN210982867 U CN 210982867U CN 201922056353 U CN201922056353 U CN 201922056353U CN 210982867 U CN210982867 U CN 210982867U
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- mirror frame
- piezoelectric actuators
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- piezoelectric
- lens
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Abstract
The utility model provides a six parallelly connected piezoelectricity actuation picture frame gesture automatic regulating system is applicable to infrared optical lens. 6 piezoelectric actuators made of piezoelectric materials are circumferentially and equidistantly arranged between the outer mirror frame and the inner mirror frame, wherein 3 piezoelectric actuators which are mutually spaced incline towards the inner side and one side of the outer mirror frame, and the other 3 piezoelectric actuators incline towards the inner side and the other side of the outer mirror frame; the two ends of each piezoelectric actuator are spherical surfaces, spherical grooves are formed in the contact positions of the outer mirror frame and the inner mirror frame with the piezoelectric actuators, and the end portions of the piezoelectric actuators are supported in the grooves in the outer mirror frame and the inner mirror frame. The utility model discloses can carry out the fine setting in the certain limit with the lens of complete fixation, the precision can reach 1um level, and the governing system's of being convenient for imaging effect optimizes like the matter.
Description
Technical Field
The utility model belongs to the technical field of the optical imaging system, a six parallelly connected piezoelectricity actuation picture frame gesture automatic regulating system suitable for infrared optical lens is related to.
Background
Piezoelectric materials have been widely used in the field of precision drive control as a new type of force-to-electricity conversion material, but have been applied to optical systems to a lesser extent. The six-axis parallel mechanism is a typical high-precision high-strength driving mechanism, and is applied to a large optical system, but cannot be applied to a small optical system because of its large structure. At present, in a small optical system, the spatial position and attitude of a single lens are difficult to control, the imaging effect of the whole system can be adjusted only by means of structural processing in the early stage and repeated installation and adjustment of a plurality of sensitive lenses in the later stage, the position error of the lens is usually over 10um level under the condition, and the requirement can not be met obviously for some high-requirement imaging systems.
Disclosure of Invention
The utility model aims at solving the problem that exists at present, utilize piezoelectric actuator to establish the position and the declination around the lens among the six parallelly connected actuating system of axle comes the small-size optical system of accurate control, improve the imaging quality.
The technical scheme of the utility model as follows:
the utility model provides a six parallelly connected piezoelectricity actuation picture frame gesture automatically regulated system, includes outer picture frame and the interior picture frame that has the lens, its characterized in that: 6 piezoelectric actuators are circumferentially and equidistantly arranged between the outer lens frame and the inner lens frame, wherein 3 piezoelectric actuators which are mutually spaced incline towards the inner side and one side of the outer lens frame, and the other 3 piezoelectric actuators incline towards the inner side and the other side of the outer lens frame; the two ends of each piezoelectric actuator are spherical surfaces, spherical grooves are formed in the contact positions of the outer mirror frame and the inner mirror frame with the piezoelectric actuators, and the end portions of the piezoelectric actuators are supported in the grooves in the outer mirror frame and the inner mirror frame.
The utility model has the advantages that:
1. the lens which is completely fixed can be finely adjusted within a certain range, and the precision can reach 1um level;
2. the posture of the lens can be adjusted on line;
3. the posture of the lens can be fully automatically adjusted through algorithm control, and the image quality is optimized.
Drawings
Fig. 1 is a schematic plane structure diagram of a six-axis parallel piezoelectric actuating mirror frame of the present invention;
fig. 2 is a schematic structural view of a vertical surface of a six-axis parallel piezoelectric actuating mirror frame of the present invention;
Detailed Description
As shown in fig. 1 and 2, the utility model provides a six-axis parallel piezoelectric actuation glasses frame posture automatic regulating system, which comprises an outer glasses frame 1 and an inner glasses frame 2 with lenses, wherein 6 piezoelectric actuators 3 are arranged between the outer glasses frame 1 and the inner glasses frame 2 in the circumferential direction at equal intervals, wherein the 3 piezoelectric actuators 3 which are mutually spaced incline towards the inner side and one side of the outer glasses frame, and the other 3 piezoelectric actuators incline towards the inner side and the other side of the outer glasses frame; the two ends of each piezoelectric actuator are spherical surfaces, spherical grooves are formed in the contact positions of the outer mirror frame and the inner mirror frame with the piezoelectric actuators, and the end portions of the piezoelectric actuators are supported in the grooves in the outer mirror frame and the inner mirror frame.
The 6 piezoelectric actuators of the utility model are made of piezoelectric materials, namely, the piezoelectric actuators which can stretch and contract can be realized by applying voltage; when the posture of the lens needs to be adjusted, a certain voltage is applied to each piezoelectric actuator, so that the piezoelectric actuators reach a certain expansion amount, and the lens posture is finely adjusted. In specific implementation, the offset posture of the lens can be used as a test parameter, and the variation range of the test parameter is predetermined and comprises the ranges of translation amount and rotation amount of the lens in three directions; selecting a limited group of test parameters by adopting an orthogonal test method, applying a limited group of voltage combinations to each group of test parameters, optimizing the test result so as to obtain optimal voltage combination data corresponding to each offset attitude, and pre-storing the data into the system; when the posture of the lens needs to be adjusted, the system directly calls corresponding data and applies corresponding voltage, so that the automatic adjustment of the posture of the lens is realized.
Claims (1)
1. The utility model provides a six parallelly connected piezoelectricity actuation picture frame gesture automatically regulated system, includes outer picture frame and the interior picture frame that has the lens, its characterized in that: 6 piezoelectric actuators are circumferentially and equidistantly arranged between the outer lens frame and the inner lens frame, wherein 3 piezoelectric actuators which are mutually spaced incline towards the inner side and one side of the outer lens frame, and the other 3 piezoelectric actuators incline towards the inner side and the other side of the outer lens frame; the two ends of each piezoelectric actuator are spherical surfaces, spherical grooves are formed in the contact positions of the outer mirror frame and the inner mirror frame with the piezoelectric actuators, and the end portions of the piezoelectric actuators are supported in the grooves in the outer mirror frame and the inner mirror frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056353.4U CN210982867U (en) | 2019-11-24 | 2019-11-24 | Six parallelly connected piezoelectricity actuating picture frame gesture automatic regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056353.4U CN210982867U (en) | 2019-11-24 | 2019-11-24 | Six parallelly connected piezoelectricity actuating picture frame gesture automatic regulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210982867U true CN210982867U (en) | 2020-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922056353.4U Active CN210982867U (en) | 2019-11-24 | 2019-11-24 | Six parallelly connected piezoelectricity actuating picture frame gesture automatic regulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210982867U (en) |
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2019
- 2019-11-24 CN CN201922056353.4U patent/CN210982867U/en active Active
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