Miniature focusing motor

Abstract

The utility model relates to a miniature focusing motor, which comprises a shell loaded on a camera, a magnetic field generation module arranged on the shell, an elastic upper cover arranged on the shell, a lens arranged in the middle of the elastic upper cover, a plurality of coils arranged at the lower part of the elastic upper cover, and a plurality of coils used as current access spacing adjustment execution members and accessed into different currents and magnetic fields. The distance between the coils is adjusted, the elastic upper cover is driven to elastically deform, the lens is driven to float upwards for adjustment, the imaging distance between the lens and the optical sensor is adjusted, and a miniature focusing motor structure capable of fast focusing is formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial camera and its auxiliary equipment, specifically, it is a kind of miniature focusing motor for camera. BACKGROUND

[0002] With the development of automation industry technology, industrial camera becomes more and more common in various application scenarios. However, the focusing motor commonly used by industrial camera is generally traditional voice coil motor, and the traditional voice coil motor is usually large, and the traditional voice coil motor cannot meet the large range of zoom stroke due to the problem of structural design, and the focusing precision and response speed are low, which is difficult to meet the demand of modern camera equipment miniaturization and high precision.

[0003] Therefore, it is necessary to provide a miniature focusing motor to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a miniature focusing motor.

[0005] Technical scheme is as follows:

[0006] A kind of miniature focusing motor, including the shell loaded on camera, magnetic field generating module is arranged on the shell, elastic upper cover is also arranged on the shell, lens is arranged in the middle part of elastic upper cover, and a plurality of coils are arranged in lower part, a plurality of coils are used as current access adjustment spacing actuator, a plurality of coils access different size current, in magnetic field, a plurality of coils adjust the spacing between each other, drive elastic upper cover elastic deformation and the up-floating adjustment of lens, adjust the imaging distance of lens and optical sensor, form the miniature focusing motor structure of quick focusing.

[0007] Further, a plurality of coils are connected with elastic upper cover after winding.

[0008] Further, the magnetic field generating module is composed of a plurality of magnets uniformly arranged in the inner cavity of the shell.

[0009] Further, the volume of the magnet is not greater than 5 cubic millimeters.

[0010] Further, the shell is cylindrical.

[0011] Further, the lower part of the shell is provided with a camera fixing port.

[0012] Compared with the prior art, the utility model has the advantages of compact structure: the winding and the magnet are installed in the motor shell, the overall design is compact, the miniaturization of the camera is facilitated, and the overall size can be less than 21mm; high-precision focusing: through the design of the elastic panel, the high-precision adjustment of the lens is realized, and the imaging quality is ensured; fast response: the motor drives the elastic panel, and the focusing demand can be quickly responded, and the camera efficiency is improved; large stroke: the focusing distance can realize the stroke of millimeter level, so that the switching of super close focus and far focus can be realized; convenient installation: the cylindrical design is adopted, and the installation is more facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is one of the structure schematic views of the utility model.

[0014] Fig. 2 It is the second structure schematic view of the utility model. DETAILED DESCRIPTION

[0015] Embodiment:

[0016] Please refer to Figs. 1-2 , this embodiment shows a kind of miniature focusing motor, including the shell 1 loaded on camera, shell 1 is provided with magnetic field generating module 2, shell 1 is also provided with elastic upper cover 3, lens 4 is provided in elastic upper cover 3 middle part, lower part is provided with a plurality of coils 5, a plurality of coils 5 are used as current access adjustment spacing actuator, a plurality of coils 5 access different size current, in magnetic field, a plurality of coils 5 adjust the spacing between each other, drive elastic upper cover 3 elastic deformation and the up-floating adjustment of lens 4, adjust the imaging distance of lens 4 and optical sensor, form the miniature focusing motor structure of quick focusing.

[0017] A plurality of coils 5 are connected to elastic upper cover 3 after winding.

[0018] Magnetic field generating module 2 is composed of a plurality of magnets evenly arranged in the cavity of shell.

[0019] The volume of magnet is not more than 5 cubic millimeters.

[0020] Shell 1 is cylindrical.

[0021] Shell 1 lower part is provided with camera fixing port 6.

[0022] In addition, it also has other characteristics, such as:

[0023] Shell 1 adopts metal material, such as aluminum alloy;

[0024] Elastic upper cover 3 adopts annular hollow design, which is convenient for quick elastic deformation expansion and contraction;

[0025] The surface of a plurality of coils 5 is coated with paint.

[0026] The bottom lead of the shell 1 is connected with the coil 5 quickly;

[0027] The magnet is fixed in the shell 1 by plastic packaging.

[0028] Compared with the prior art, the utility model has the advantages of compact structure: the winding and the magnet are installed in the motor shell, the overall design is compact, the miniaturization of the camera is facilitated, and the overall size can be less than 21mm; high-precision focusing: through the design of the elastic panel, high-precision adjustment of the lens is realized, and the imaging quality is ensured; fast response: the motor drives the elastic panel, and the focusing demand can be responded quickly, the camera efficiency is improved; large stroke: the focusing distance can realize millimeter-level stroke, so that the switching between super close focus and far focus can be realized; convenient installation: the cylindrical design is adopted, and the installation is more convenient.

[0029] The above only describes some embodiments of the utility model. For ordinary skilled persons in the art, without departing from the creative concept of the utility model, a plurality of modifications and improvements can be made, and these all belong to the protection scope of the utility model.

Claims

1. A micro focusing motor, characterized by: The application relates to a camera-loading shell, which is provided with a magnetic field generating module and an elastic upper cover, the middle part of the elastic upper cover is provided with a lens, the lower part is provided with a plurality of coils, the coils are used as current access adjustment interval actuators, the coils are connected with different size currents, the coils adjust the interval between each other in the magnetic field, drive the elastic upper cover to elastically deform and the lens to float up and adjust, the imaging distance between the lens and an optical sensor is adjusted, and a quick focusing miniature focusing motor structure is formed.

2. A micro focusing motor according to claim 1, characterized in that: The coils are connected with the elastic upper cover after being wound.

3. A micro focusing motor according to claim 2, characterized in that: The magnetic field generating module is composed of a plurality of magnets uniformly arranged in the inner cavity of the shell.

4. A micro focusing motor according to claim 3, wherein: The volume of the magnet is not greater than 5 cubic millimeters.

5. A micro focusing motor according to claim 4, characterized in that: The shell is in a cylindrical shape.

6. A micro focusing motor according to claim 5, characterized in that: The lower part of the shell is provided with a camera fixing port.

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