CN215297829U - Cantilever type two-dimensional optical fiber device positioning device based on piezoelectric bimorph - Google Patents
Cantilever type two-dimensional optical fiber device positioning device based on piezoelectric bimorph Download PDFInfo
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- CN215297829U CN215297829U CN202121679789.XU CN202121679789U CN215297829U CN 215297829 U CN215297829 U CN 215297829U CN 202121679789 U CN202121679789 U CN 202121679789U CN 215297829 U CN215297829 U CN 215297829U
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Abstract
Cantilever type two-dimensional fiber device positioner based on piezoelectricity bimorph includes: the cantilever mechanism comprises a first cantilever and a second cantilever, wherein the first cantilever and the second cantilever both adopt piezoelectric bimorphs, and the first cantilever and the second cantilever are vertically connected through a bimorph adapter; the optical fiber device fixing piece is positioned at the first end of the cantilever mechanism, and the optical fiber end of the optical fiber device to be positioned is fixedly arranged on the optical fiber device fixing piece; the base is positioned at the second end of the cantilever mechanism, and an optical fiber through hole is formed in the base and is used for an optical fiber of an optical fiber device to be positioned to penetrate through; after each piezoelectric bimorph in the cantilever mechanism is electrified to work, each piezoelectric bimorph generates bending with a certain amplitude, and then the optical fiber device fixing piece and the optical fiber end of the optical fiber device to be positioned, which is installed and fixed on the optical fiber device fixing piece, are driven to generate corresponding displacement. The utility model discloses a piezoelectricity bimorph directly drives the mode, has saved flexible hinge isotructure, has effectively compressed positioner's radial dimension.
Description
Technical Field
The utility model relates to an optic fibre device high accuracy location technical field refers in particular to a cantilever type two dimension optic fibre device positioner based on piezoelectricity bimorph.
Background
The high-precision positioning technology of the optical fiber device is widely applied to the fields of self-adaptive optical fiber collimators, beam deflection, beam shaping and the like.
At present, people study and provide a high-precision positioning scheme of an optical fiber device based on a piezoelectric bimorph and a flexible hinge, an optical fiber end to be positioned is connected to two pairs of piezoelectric bimorphs through a flexible cross, and the positioning of the optical fiber end is realized by adjusting the bending of the piezoelectric bimorphs.
SUMMERY OF THE UTILITY MODEL
The defect that exists to prior art, the utility model provides a cantilever type two-dimentional optic fibre device positioner based on piezoelectricity bimorph adopts the drive device to directly drive the mode, has saved flexible hinge isotructure, has effectively compressed positioner's radial dimension.
In order to achieve the technical purpose, the utility model provides a technical scheme does:
cantilever type two-dimensional fiber device positioner based on piezoelectricity bimorph includes:
the cantilever mechanism comprises a first cantilever and a second cantilever, wherein the first cantilever and the second cantilever both adopt piezoelectric bimorphs, and the first cantilever and the second cantilever are vertically connected through a bimorph adapter;
the optical fiber device fixing piece is positioned at the first end of the cantilever mechanism, and the optical fiber end of the optical fiber device to be positioned is fixedly arranged on the optical fiber device fixing piece;
the base is positioned at the second end of the cantilever mechanism, and an optical fiber through hole is formed in the base and is used for an optical fiber of an optical fiber device to be positioned to penetrate through;
after each piezoelectric bimorph in the cantilever mechanism is electrified to work, each piezoelectric bimorph generates bending with a certain amplitude, and then the optical fiber device fixing piece and the optical fiber end of the optical fiber device to be positioned, which is installed and fixed on the optical fiber device fixing piece, are driven to generate corresponding displacement.
As a further improvement of the utility model, the side is equipped with the first fixed slot and the second fixed slot that are used for connecting the piezoelectric bimorph of both sides, first fixed slot and second fixed slot mutually perpendicular about the bimorph adaptor respectively.
As a further improvement of the present invention, a third fixing groove for fixedly connecting the first end of the cantilever mechanism is provided on the optical fiber device mounting.
As a further improvement of the present invention, a fourth fixing groove for fixedly connecting the second end of the cantilever mechanism is provided on the base.
As a further improvement of the present invention, the first cantilever and the second cantilever may be both composed of a multilayer piezoelectric bimorph. The force of the first cantilever and the second cantilever needs to be ensured to push the weight of the carried optical fiber device, and the size of the first cantilever and the second cantilever can be determined according to the use requirement.
As a further improvement of the present invention, the piezoelectric bimorph includes a piezoelectric bimorph body and a control line, the control line is located one end of the piezoelectric bimorph, and the control line applies the control voltage to the piezoelectric bimorph body.
As a further improvement of the utility model, be provided with the wire groove that supplies its control line of bimorph to draw forth on bimorph adaptor and the base.
As a further improvement of the present invention, the base, the twin-chip adapter and the optical fiber device fixing member are all made of low-density and high-rigidity materials, such as ceramics and polyetheretherketone. The base, the double-wafer adapter and the optical fiber device fixing piece can also be made of metal materials, but need to be subjected to surface insulation treatment.
As the further improvement of the utility model, after each piezoelectric bimorph was switched on, each piezoelectric bimorph produced the bending of corresponding range along the direction perpendicular with each piezoelectric bimorph according to control voltage's size.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses constitute cantilever mechanism by piezoelectricity bimorph, realize the jumbo size displacement through directly driving the mode, and then realize the location of optic fibre end. The utility model discloses saved flexible hinge isotructure, effectively compressed positioner's radial dimension.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a piezoelectric bimorph according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a dual-chip interposer according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an optical fiber device fixing member according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a base according to an embodiment of the present invention;
reference numbers in the figures:
1. a first cantilever; 2. a second cantilever; 3. a dual wafer interposer; 4. an optical fiber device fixing member; 5. a base; 6. an optical fiber end of the optical fiber device to be positioned; 7. a fiber via hole; 8. an optical fiber for an optical fiber device to be positioned; 9. a piezoelectric bimorph body; 10. a control line; 11. a first fixing groove; 12. a second fixing groove; 13. a third fixing groove; 14. a fourth fixing groove; 15. an outlet groove; 16. and (7) installing holes.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a cantilever type two-dimensional optical fiber device positioning device based on a piezoelectric bimorph, including:
the cantilever mechanism comprises a first cantilever 1 and a second cantilever 2, wherein the first cantilever 1 and the second cantilever 2 both adopt piezoelectric bimorphs, and the first cantilever 1 and the second cantilever 2 are vertically connected through a bimorph adapter 3;
the optical fiber device fixing part 4 is positioned at the first end of the cantilever mechanism, and the optical fiber end 6 of the optical fiber device to be positioned is fixedly arranged on the optical fiber device fixing part 4;
the base 5 is positioned at the second end of the cantilever mechanism, and an optical fiber through hole 7 is formed in the base 5 and is used for an optical fiber 8 of an optical fiber device to be positioned to penetrate through;
after each piezoelectric bimorph in the cantilever mechanism is electrified to work, each piezoelectric bimorph generates bending with a certain amplitude, and then the optical fiber device fixing part 4 and the optical fiber end 6 of the optical fiber device to be positioned, which is installed and fixed on the optical fiber device fixing part 4, are driven to generate corresponding displacement.
Referring to fig. 2, in order to provide the piezoelectric bimorph employed in an embodiment of the present invention, the piezoelectric bimorph includes a piezoelectric bimorph body 9 and a control line 10, the control line 10 is located at one end of the piezoelectric bimorph 9, and a control voltage is applied to the piezoelectric bimorph body 9 through the control line 10. After each piezoelectric bimorph is electrified, each piezoelectric bimorph generates bending with corresponding amplitude along the direction vertical to the body of each piezoelectric bimorph (as shown in fig. 1 and 2 (as shown by a double-headed arrow in fig. 1)) according to the magnitude of the control voltage.
The first cantilever 1 and the second cantilever 2 can be both composed of a multilayer piezoelectric bimorph. The force of the first cantilever 1 and the second cantilever 2 is required to ensure that the weight of the carried optical fiber device can be pushed, the size of the first cantilever and the second cantilever can be determined according to the use requirement,
referring to fig. 3, in order to provide the bimorph interposer according to an embodiment of the present invention, the left and right sides of the bimorph interposer 3 are respectively provided with a first fixing groove 11 and a second fixing groove 12 for connecting the piezoelectric bimorphs on both sides, and the first fixing groove 11 and the second fixing groove 12 are perpendicular to each other.
Referring to fig. 4, in order to the optical fiber device fixing member adopted in an embodiment of the present invention, a third fixing groove 13 for fixedly connecting the first end of the cantilever mechanism is provided on the optical fiber device fixing member 4. The optical fiber device fixing part 4 is provided with a mounting hole 16 for fixing the optical fiber end 6 of the optical fiber device to be positioned.
Referring to fig. 5, in order to provide the base 5 according to an embodiment of the present invention, a fourth fixing groove 14 for fixedly connecting the second end of the cantilever mechanism is provided on the base 5.
In order to ensure the reliable fixation of the piezoelectric bimorph, the utility model discloses an embodiment, the both ends of each piezoelectric bimorph are fixed in corresponding fixed slot respectively through glue.
Referring to fig. 3 and 4, the bimorph adaptor 3 and the base 5 are provided with an outlet slot 15 for leading out the control wire 10 of the piezoelectric bimorph.
The base 5, the dual-wafer adapter 3 and the optical fiber device fixing member 4 are all made of low-density and high-rigidity materials, such as ceramic and polyetheretherketone. The base 5, the bimorph adapter 3 and the optical fiber device fixing member 4 may be made of metal materials, but need to be subjected to surface insulation treatment.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. Cantilever type two-dimensional fiber device positioner based on piezoelectricity bimorph, its characterized in that includes:
the cantilever mechanism comprises a first cantilever and a second cantilever, wherein the first cantilever and the second cantilever both adopt piezoelectric bimorphs, and the first cantilever and the second cantilever are vertically connected through a bimorph adapter;
the optical fiber device fixing piece is positioned at the first end of the cantilever mechanism, and the optical fiber end of the optical fiber device to be positioned is fixedly arranged on the optical fiber device fixing piece;
the base is positioned at the second end of the cantilever mechanism, and an optical fiber through hole is formed in the base and is used for an optical fiber of an optical fiber device to be positioned to penetrate through;
after each piezoelectric bimorph in the cantilever mechanism is electrified to work, each piezoelectric bimorph generates bending with a certain amplitude, and then the optical fiber device fixing piece and the optical fiber end of the optical fiber device to be positioned, which is installed and fixed on the optical fiber device fixing piece, are driven to generate corresponding displacement.
2. The two-dimensional fiber optic device positioning apparatus of claim 1, wherein the bimorph adaptor has a first fixing groove and a second fixing groove for connecting the bimorph at two sides, the first fixing groove and the second fixing groove being perpendicular to each other.
3. The two-dimensional fiber optic device positioning apparatus of claim 1, wherein the fiber optic device holder has a third fixing groove for fixedly connecting the first end of the cantilever mechanism.
4. The two-dimensional fiber optic device positioning apparatus of claim 1, wherein the base has a fourth securing slot for fixedly connecting the second end of the cantilever mechanism.
5. The piezoelectric bimorph-based cantilevered two-dimensional fiber optic device positioning apparatus according to any of claims 1 to 4, wherein the first and second cantilevers are each composed of a multilayer piezoelectric bimorph.
6. The two-dimensional fiber optic device positioning apparatus of claim 5, wherein the bimorph includes a bimorph body and a control line at one end of the bimorph through which a control voltage is applied to the bimorph body.
7. The two-dimensional fiber optic device positioning apparatus of claim 6, wherein the bimorph adapter and the base are provided with wire-out grooves for leading out control wires of the bimorph.
8. The piezoelectric bimorph-based cantilevered two-dimensional fiber optic device positioning apparatus according to claim 5, wherein the base, bimorph adapter and fiber optic device mount are made of ceramic or polyetheretherketone.
9. The two-dimensional piezoelectric bimorph-based cantilevered fiber optic device positioning apparatus of claim 5 wherein the base, bimorph adapter and fiber optic device mount are made of metal material and the base, bimorph adapter and fiber optic device mount are surface insulated.
10. The two-dimensional fiber optic device positioning apparatus of claims 1, 2, 3, 4, 6, 7, 8 or 9, wherein after each piezoelectric bimorph is energized, each piezoelectric bimorph generates a corresponding magnitude of bending in a direction perpendicular to each piezoelectric bimorph according to the magnitude of the control voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679789.XU CN215297829U (en) | 2021-07-23 | 2021-07-23 | Cantilever type two-dimensional optical fiber device positioning device based on piezoelectric bimorph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679789.XU CN215297829U (en) | 2021-07-23 | 2021-07-23 | Cantilever type two-dimensional optical fiber device positioning device based on piezoelectric bimorph |
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| Publication Number | Publication Date |
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| CN215297829U true CN215297829U (en) | 2021-12-24 |
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| CN202121679789.XU Active CN215297829U (en) | 2021-07-23 | 2021-07-23 | Cantilever type two-dimensional optical fiber device positioning device based on piezoelectric bimorph |
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- 2021-07-23 CN CN202121679789.XU patent/CN215297829U/en active Active
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