lens assembly

A lens component and lens technology, applied in the direction of optical components, electrical components, color TV components, etc., can solve the problems of high cost, heavy weight, and susceptibility to interference by magnetic fields, and achieve high reliability, high stability, The effect of simple structure

CN110133818BActive Publication Date: 2021-10-22AAC OPTICS SOLUTIONS PTE LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2021-10-22

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Abstract

The present invention provides a lens assembly, including a first base, a lens, a first memory alloy wire and a second memory alloy wire, the lens is slidably installed in the first base, and the first base includes a second memory alloy wire arranged on one side of the lens. One side plate and the second side plate arranged on the other side of the lens, one end of the first memory alloy wire is connected to the first side plate, the other end is connected to the lens, one end of the second memory alloy wire is connected to the second side plate, The other end is connected with the lens, and both the first memory alloy wire and the second memory alloy wire are arranged perpendicular to the optical axis of the lens. The lens assembly provided by the present invention drives the lens to move back and forth relative to the first side plate and the second side plate by arranging the first memory alloy wire and the second memory alloy wire to be energized and deformed to achieve optical anti-shake without magnetic field interference. The stability is high, and the setting method of the drive is simple in structure and easy to install, without additional Hall elements, and has high reliability in special environments.
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Description

Technical field

[0001] The invention relates to the technical field of lens optical imaging, in particular to a lens assembly.

Background technique

[0002] In recent years, high-performance lens modules have been mounted on portable terminals such as smartphones and tablet computers. The high-performance lens module generally has an auto focusing function (auto focusing) and an optical image stabilization function (OIS: optical image stabilization).

[0003] The optical anti-shake function of the existing camera lens module is to sense the offset between the OIS bracket and the optical axis through the Hall sensor, and input current to the OIS coil, and the OIS coil cooperates with a magnet to prevent the OIS bracket and the optical axis from shifting. Return it to its original position. The lens module in this embodiment moves under the action of electromagnetic force, which is easily disturbed by the magnetic field, and additional Hall elements are needed to detect ...

Examples

Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] see Figure 1-3 , The embodiment of the present invention provides a lens assembly 100 including a first base 11 , a lens 13 , a first memory alloy wire 14 and a second memory alloy wire 15 , and the lens 13 is slidably installed in the first base 11 . The first base 11 includes a first bottom plate 111, a first side plate 112 arranged on one side of the first bottom plate 111 and a second side plate 113 arranged on the other side of the first bottom plate 111, the first bottom plate 111, the first side The plate 112 and the second side plate 113 surround and form a first installation groove 114 , the lens 13 is installed in the first installation groove 114 , and the first side plate 112 and the second side plate 113 are respectively located on opposite sides of the lens 14 . The first memory alloy wire 14 and the second memory alloy wire 15 ar...