CN210442579U

CN210442579U - Vibrating mirror

Info

Publication number: CN210442579U
Application number: CN201921908767.9U
Authority: CN
Inventors: 徐立群
Original assignee: Beijing Century Tuotian Technology Co ltd
Current assignee: Beijing Century Tuotian Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-05-01
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a galvanometer, including the shell end cover, shell end cover roof central point puts fixed mounting has the motor, shell end cover roof fixed mounting has the shell, the motor is located the shell, sliding connection has the bearing in the shell cavity, be provided with conversion equipment on the bearing, the shell top is provided with the optical lens device, be provided with electromagnetic means on the motor, be provided with connecting device on the shell end cover, be provided with the brush device in the shell cavity. The utility model discloses, the mirror that shakes has smallly, uses in a flexible way, and mirror motor response speed that shakes characteristics such as faster can exert great effect in miniature laser scanning system.

Description

Vibrating mirror

Technical Field

The utility model relates to a mirror technical field shakes especially relates to mirror shakes.

Background

The galvanometer system is a high-precision and high-speed servo control system consisting of a driving plate and a high-speed swing motor, and is widely applied to the fields of laser material processing, biomedical detection, image graphic processing and the like. The core component of the high-speed scanning galvanometer system is a galvanometer motor, and the high-efficiency high-quality galvanometer motor can meet the requirement of high-speed laser marking.

The traditional galvanometer has larger volume and slower response speed, and is limited when a micro laser scanning system is needed in practical application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a galvanometer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the galvanometer comprises a shell end cover, wherein a motor is fixedly mounted at the center of the top wall of the shell end cover, a shell is fixedly mounted on the top wall of the shell end cover, the motor is located in the shell, a bearing is connected in an inner cavity of the shell in a sliding mode, a conversion device is arranged on the bearing, an optical lens device is arranged above the shell, an electromagnetic device is arranged on the motor, a connecting device is arranged on the shell end cover, and an electric brush device is arranged in the inner cavity of the shell.

As a further description of the above technical solution:

the connecting device comprises an external wiring board, the shell end cover is provided with the external wiring board and used for being connected with a power supply and a signal connecting wire, two lateral walls of the shell end cover are symmetrically and fixedly connected with armatures, and the stator permanent magnets are embedded in the armatures.

As a further description of the above technical solution:

the electromagnetic device comprises a rotor core and a coil, wherein the rotor core is arranged above the motor, the outer side wall of the rotor core is wrapped by the coil, and the rotor core and the coil are located in the cavity of the shell and are embedded and connected with the cavity of the shell.

As a further description of the above technical solution:

the electric brush device comprises an electric brush and an electric brush power supply cable, the electric brushes are symmetrically arranged on two sides above the inner cavity of the shell, and the electric brushes are connected with the electric brush power supply cable.

As a further description of the above technical solution:

the conversion device comprises a converter, the bearing is connected in the coil in a sliding mode, and the converter is fixedly installed in the middle of the bearing.

As a further description of the above technical solution:

the optical lens device comprises a lens and a flat groove, the flat groove is formed in an opening at the top end of the shell, the lens is connected to the flat groove in an adhesive mode, and an output shaft of the motor coaxially penetrates through the electric brush, the bearing and the armature and is connected with an end cover of the shell.

The utility model discloses following beneficial effect has:

compared with the prior art, the utility model provides a mirror that shakes has smallly, uses in a flexible way, and mirror motor response speed characteristics such as faster shake can play great effect in miniature laser scanning system.

Drawings

Fig. 1 is a schematic perspective view of a galvanometer according to the present invention;

fig. 2 is a schematic view of a front view structure of the galvanometer of the present invention;

fig. 3 is a schematic side view of the galvanometer according to the present invention.

Illustration of the drawings:

1. a housing end cap; 2. an armature; 3. a motor; 4. a rotor core; 5. a housing; 6. a bearing; 7. an electric brush; 8. a brush power cable; 9. a lens; 10. a flat mouth groove; 11. and a coil.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the galvanometer comprises a shell end cover 1, a motor 3 is fixedly mounted at the center of the top wall of the shell end cover 1, a shell 5 is fixedly mounted at the top wall of the shell end cover 1, the motor 3 is positioned in the shell 5, a bearing 6 is connected in an inner cavity of the shell 5 in a sliding mode, a conversion device is arranged on the bearing 6, an optical lens device is arranged above the shell 5, an electromagnetic device is arranged on the motor 3, a connecting device is arranged on the shell end cover 1, an electric brush device is arranged in the inner cavity of the shell 5, and the galvanometer system is realized through multi.

The connecting device comprises an external wiring board, a shell end cover 1 is provided with the external wiring board and is used for connecting a power supply and a signal connecting wire externally and communicating with the outside, two side walls of the shell end cover 1 are symmetrically and fixedly connected with armatures 2, stator permanent magnets are embedded in the armatures 2, the electromagnetic device comprises a rotor core 4 and coils 11, the rotor core 4 is arranged above the motor 3, the outer side walls of the rotor core 4 are wrapped by the coils 11, the rotor core 4 and the coils 11 are positioned in a cavity of the shell 5 and are embedded and connected with the cavity of the shell 5, the electric brush device comprises electric brushes 7 and electric brush power supply cables 8, the electric brushes 7 are symmetrically arranged on two sides above the cavity of the shell 5, the electric brushes 7 are connected with the electric brush power supply cables 8 and supply power for the electric brushes 7, the converting device comprises a converter, a bearing 6 is slidably connected in, the opening at the top end of the shell 5 is provided with a flat groove 10, a lens 9 is glued in the flat groove 10, an output shaft of the motor 3 coaxially penetrates through the electric brush 7, the bearing 6 and the armature 2 and is connected with the shell end cover 1, and a plurality of devices are connected to enable the devices to work in coordination.

The working principle is as follows: the electrified coil 11 generates moment in a magnetic field, a reset moment is added on the rotor through a mechanical torsion spring or an electronic method, the size of the reset moment is in direct proportion to the angle of the rotor deviating from a balance position, when the coil 11 is electrified with certain current and the rotor deflects to a certain angle, the electromagnetic moment is equal to the size of the reset moment, the deflection is realized, the deflection angle is positive to the current, the lens 9 is a galvanometer, the structural design is exquisite, and the miniature size is easy to operate and operate of a miniature scanning galvanometer system. The galvanometer is specially designed for laser beam scanning below 7mm, the working efficiency is high, long-time repeated work within 24 hours can be realized, the output torque is large, and the speed is high. The high-precision machining process and the high-standard assembly adopted by the galvanometer can greatly reduce the complicated procedures of installation, rotation and debugging of a user, bring convenience to the user and greatly improve the production efficiency. Furthermore, the utility model provides a mirror that shakes is showing the response speed that has improved motor 3 on the 3 bases of motor of mirror that shake in the tradition, and the precision is higher, and the operation is stable, possess better application prospect in application fields such as miniature laser scanning system, hand-held type laser medical treatment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Galvanometer, including shell end cover (1), its characterized in that: the motor is characterized in that a motor (3) is fixedly mounted at the center of the top wall of the shell end cover (1), a shell (5) is fixedly mounted on the top wall of the shell end cover (1), the motor (3) is located in the shell (5), a bearing (6) is connected in an inner cavity of the shell (5) in a sliding mode, a conversion device is arranged on the bearing (6), an optical lens device is arranged above the shell (5), an electromagnetic device is arranged on the motor (3), a connecting device is arranged on the shell end cover (1), and an electric brush device is arranged in the inner cavity of the shell (5).

2. The galvanometer of claim 1, wherein: the connecting device comprises an external wiring board, the shell end cover (1) is provided with the external wiring board and used for being connected with an external power supply and a signal connecting wire, two side walls of the shell end cover (1) are symmetrically and fixedly connected with armatures (2), and the stator permanent magnets are embedded in the armatures (2).

3. The galvanometer of claim 1, wherein: electromagnetic means includes rotor core (4) and coil (11), motor (3) top is provided with rotor core (4), rotor core (4) lateral wall parcel has coil (11), rotor core (4) and coil (11) are located inlay in the cavity of shell (5) and with the cavity of shell (5) and be connected.

4. The galvanometer of claim 1, wherein: the electric brush device comprises an electric brush (7) and an electric brush power supply cable (8), the electric brush (7) is symmetrically arranged on two sides above the inner cavity of the shell (5), and the electric brush (7) is connected with the electric brush power supply cable (8).

5. The galvanometer of claim 1, wherein: the conversion device comprises a converter, the bearing (6) is connected in the coil (11) in a sliding mode, and the converter is fixedly installed in the middle of the bearing (6).

6. The galvanometer of claim 1, wherein: the optical lens device comprises a lens (9) and a flat groove (10), the flat groove (10) is arranged at the opening at the top end of the shell (5), the lens (9) is connected into the flat groove (10) in an adhesive mode, and an output shaft of the motor (3) coaxially penetrates into the electric brush (7), the bearing (6) and the armature (2) and is connected with the shell end cover (1).