CN212627627U

CN212627627U - Vibrating mirror framework

Info

Publication number: CN212627627U
Application number: CN202021632473.0U
Authority: CN
Inventors: 江滔
Original assignee: Yibin Jimi Photoelectric Co Ltd
Current assignee: Yibin Jimi Photoelectric Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-02-26
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a mirror framework shakes, including base spare and the effect spare that is used for assembling the lens, it sets up magnet through deflecting the component connection on the base spare to make the spare as, set up the magnetic means in the convertible magnetic field adjacent with magnet on the base spare. Mirror framework of shaking can effectively avoid a class of magnetic means of coil to receive the influence of vibration and impaired, increase of service life ensures optical projection system's stable performance, compact structure nature, occupation space are little, satisfy the demand of miniaturized development.

Description

Vibrating mirror framework

Technical Field

The utility model relates to an optical actuator technical field especially relates to a mirror framework shakes.

Background

The optical projection system projects the image of the microchip panel to the projection screen through the prism, the suspension component of the optical actuator and the lens, wherein the projection light passes through the lens in the actuator during the traveling process, and the suspension component of the optical actuator rapidly and repeatedly vibrates (changes the projection position), so that the resolution is increased by continuously changing the position of the image. The existing optical actuator usually adopts the force generated by the coupling of an electrified coil and a magnet to drive the actuating unit to vibrate, the coil is usually arranged on the actuating unit, the magnet is arranged on the non-actuating unit, the coil is easy to damage and break in the process of repeated vibration, the service life is influenced, and the traditional technology adopts the structure of an air-core coil and a horseshoe-shaped magnet to realize vibration, the structure is not compact, the occupied space is large, and the requirement of miniaturization development is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve and the technical task who provides improve prior art, provide a mirror framework that shakes, solve optical actuator's coil setting among the prior art on actuating the unit, owing to vibrate easily impaired problem repeatedly.

For solving the above technical problem, the technical scheme of the utility model is that:

a vibrating mirror structure comprises a base part and an actuating part for assembling a lens, wherein the actuating part is connected to the base part through a deflection component, a magnet is arranged at the edge of the actuating part, and a magnetic device capable of changing a magnetic field is arranged on the base part and is adjacent to the magnet. Mirror framework shakes with the magnet setting along with making the vibration of moving the piece on making the piece, the structural stability of magnet is good, is difficult for appearing impaired situation, and set up magnetic means on motionless base spare, effectively avoid magnetic means because the vibration and impaired, increase of service life ensures long-term stable work, guarantee optical projection system's stable performance.

Furthermore, the magnetic device is a solid coil, has a compact structure and small occupied space, is beneficial to reducing the volume of the whole optical actuator, meets the requirement of miniaturization development, increases the number of electrified leads and increases the utilization rate of a magnetic field.

Furthermore, a magnetic pole of magnet faces in magnetic means, and magnetic means is closely adjacent with magnet, and the magnetic induction line equivalence of magnet magnetic pole closely within range is parallel magnetic induction line, sets up the magnetic means of circular telegram coil class here and can be fine and the cooperation of magnet to make the quick repeated vibration of moving the spare through the drive of electromagnetic induction force.

Furthermore, two opposite side edges of the actuating part are respectively connected to the base part through the deflection component, so that the actuating part can repeatedly deflect and vibrate by taking the connecting line direction of the deflection component as a rotation axis, the vibration stability is good, the precision is high, the stability of the resolution is guaranteed while the resolution is improved, the stability of the optical fiber projection position is ensured, and the projection effect is improved.

Furthermore, the actuating member is rectangular as a whole, the deflection component is arranged at the edge of the diagonal line of the actuating member, and the magnets are respectively arranged on the adjacent sides of the rectangular actuating member, so that the deflection stability and precision are improved, and the image position can be accurately changed.

Furthermore, the deflecting component is a linear rib along the connecting line direction of the two deflecting components, and the deflecting component has the advantages of simple and compact structure, small occupied space, convenient implementation and low cost.

Compared with the prior art, the utility model discloses the advantage lies in:

mirror framework of shaking can effectively avoid a class of magnetic means of coil to receive the influence of vibration and impaired, increase of service life ensures optical projection system's stable performance, compact structure nature no longer need establish the shape of a hoof magnetic field, practices thrift the space, can reduce holistic thickness and width, satisfies the demand of miniaturized development.

Drawings

FIG. 1 is a schematic structural diagram of a galvanometer architecture;

fig. 2 is a schematic diagram of the magnet and magnetic device cooperating and interacting.

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 work belong to the protection scope of the present invention.

The embodiment of the utility model discloses mirror framework shakes, the coil setting is on the fixed unit that the non-actuates, and magnet setting is actuating on the unit, and the coil can not receive the vibration influence, increase of service life to effectively improve compact structure nature, reduce the occupation volume, satisfy the demand of miniaturized development.

As shown in fig. 1, a galvanometer architecture mainly includes a base member 1 and an actuating member 2 for assembling lenses, the actuating member 2 is connected to the base member 1 through a deflecting member 3, a magnet 4 is disposed at an edge of the actuating member 2, and a magnetic device 5 capable of changing a magnetic field is disposed on the base member 1 and adjacent to the magnet 4.

Specifically, a transparent window area for assembling the actuating member 2 is arranged on the base member 1, the window area is approximately an L-shaped gap area, the actuating member 2 adopted in the embodiment is rectangular as a whole, the middle part of the actuating member 2 is a through hole area for assembling a lens, the deflection member 3 is arranged at the edge of the diagonal line of the actuating member 2, the magnets 4 are respectively arranged on the adjacent edges of the rectangular actuating member 2, and the solid coil is respectively arranged on two edges of the L-shaped gap area and is closely adjacent to the magnets 4;

in this embodiment, the deflecting member 3 is a linear rib along the connecting line direction of the two deflecting members 3, specifically, the linear rib is formed by extending the top end of the diagonal line of the sheet-like actuating member 2 outwards along the diagonal line direction, and the linear rib is fixed to two sides of the L-shaped gap area through bolts.

As shown in fig. 2, one magnetic pole of the magnet 4 faces the solid coil, the magnetic induction lines in the close range of the magnetic poles of the magnet are equivalent to parallel magnetic induction lines, and the solid coil at the position can be well matched with the magnet, so that the solid coil can generate attraction or repulsion acting force on the magnet when being powered on or powered off, and finally, the actuating part is driven to vibrate rapidly and repeatedly.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. A vibrating mirror structure is characterized by comprising a base part (1) and an actuating part (2) for assembling a lens, wherein the actuating part (2) is connected to the base part (1) through a deflection component (3), a magnet (4) is arranged at the edge of the actuating part (2), and a magnetic device (5) capable of changing a magnetic field is arranged on the base part (1) and is adjacent to the magnet (4).

2. Galvanometer architecture according to claim 1, characterized in that said magnetic means (5) are solid coils.

3. Galvanometer architecture according to claim 2, characterized in that one pole of the magnet (4) faces the magnetic means (5).

4. A galvanometer architecture according to any one of claims 1 to 3, characterized in that the two opposite side edges of the actuator (2) are connected to the base member (1) by means of a respective deflecting member (3).

5. A galvanometer architecture according to claim 4, characterized in that the actuator (2) is generally rectangular, the deflecting member (3) is arranged at the edge of the actuator (2) on the diagonal, and the magnets (4) are arranged one on each of the adjacent sides of the rectangular actuator (2).

6. A galvanometer architecture according to claim 4, characterized in that the deflecting member (3) is a linear rib along the line connecting the two deflecting members (3).