US-20260126708-A1 - LIFTING APPARATUS, CAMERA APPARATUS, AND ELECTRONIC DEVICE

US20260126708A1US 20260126708 A1US20260126708 A1US 20260126708A1US-20260126708-A1

Abstract

A lifting apparatus, includes a carrier member, a rotating member, a lifting member, a first magnetic induction sensor, and a first magnetic member. The rotating member is rotatably disposed on the carrier member, the rotating member and the lifting member fit with each other, and the rotating member is configured to drive the lifting member to lift or lower in a rotation process. One of the first magnetic induction sensor and the first magnetic member is connected to the rotating member, and the other is connected to the carrier member. The first magnetic member is configured to generate a first magnetic field, the first magnetic induction sensor is located in the first magnetic field, and the rotating member is configured to drive, in the rotation process, one of the first magnetic induction sensor and the first magnetic member to move toward or away from the other.

Inventors

Xukun Liu
Jiangtao Yang
Jie Yin

Assignees

HUAWEI TECHNOLOGIES CO., LTD.

Dates

Publication Date: 20260507
Application Date: 20231123
Priority Date: 20221206

Claims (20)

1 . A lifting apparatus, comprising: a carrier member; a rotating member; a lifting member; a first magnetic induction sensor; and a first magnetic member wherein: the rotating member is rotatably disposed on the carrier member, the lifting member nests within the rotating member, and the rotating member is configured to drive the lifting member to lift away from or lower into the rotating member in a rotation process; one of the first magnetic induction sensor and the first magnetic member is connected to the rotating member, and the other of the first magnetic induction sensor and the first magnetic member is connected to the carrier member and the first magnetic member is configured to generate a first magnetic field, the first magnetic induction sensor is located in the first magnetic field, and the rotating member is configured to drive, in the rotation process, one of the first magnetic induction sensor and the first magnetic member to move toward or away from the other.
2 . The lifting apparatus according to claim 1 , wherein there are two first magnetic members, the two first magnetic members are spaced from each other in a circumferential direction of the rotating member, and the rotating member is configured to drive, in the rotation process, the first magnetic induction sensor and one of the two first magnetic members to move toward each other, and the first magnetic induction sensor and the other of the two first magnetic members to move away from each other.
3 . The lifting apparatus according to claim 2 , wherein south pole-to-north pole directions of the two first magnetic members are opposite to each other in an axial direction of the rotating member; or south pole-to-north pole directions of the two first magnetic members are the same as the circumferential direction of the rotating member
4 . The lifting apparatus according to claim 1 , wherein the carrier member comprises a carrier base and a carrier circuit board that are connected to each other, and the rotating member is rotatably disposed on the carrier base.
5 . The lifting apparatus according to claim 4 , wherein the carrier circuit board comprises a first carrier circuit board, the first magnetic induction sensor is connected to the first carrier circuit board, and the first magnetic member is connected to the rotating member.
6 . The lifting apparatus according to claim 5 , further comprising a first magnetic isolator, wherein the first magnetic induction sensor is located on a side of the first carrier circuit board that faces the first magnetic member and the first magnetic isolator is located on a side of the first carrier circuit board that faces away from the first magnetic member.
7 . The lifting apparatus according to claim 4 , comprising a second magnetic induction sensor and a second magnetic member, wherein one of the second magnetic induction sensor and the second magnetic member is connected to the lifting member, and the other of the second magnetic induction sensor and the second magnetic member is connected to the carrier member; and the second magnetic member is configured to generate a second magnetic field, the second magnetic induction sensor is located in the second magnetic field, and the lifting member is configured to drive, in a lifting or lowering process, one of the second magnetic induction sensor and the second magnetic member to move toward or away from the other.
8 . The lifting apparatus according to claim 7 , wherein the carrier circuit board comprises a second carrier circuit board, the second magnetic induction sensor is connected to the second carrier circuit board, and the second magnetic member is connected to the lifting member.
9 . The lifting apparatus according to claim 8 , further comprising a second magnetic isolator, wherein the second magnetic induction sensor is located on a side of the second carrier circuit board and that faces the second magnetic member, and the second magnetic isolator is located on a side of the second carrier circuit board and that faces away from the second magnetic member.
10 . The lifting apparatus according to claim 1 , wherein a guide member is disposed on one of the rotating member and the lifting member, a guide passage is disposed on the other of the rotating member and the lifting member, the guide passage is tilted relative to a lifting direction or a lowering direction of the lifting member, a protrusion is disposed on the guide member, and the protrusion is inserted into the guide passage, and moves in a reciprocating fashion in an extension direction of the guide passage.
11 . The lifting apparatus according to claim 10 , wherein in the lifting direction or the lowering direction of the lifting member, an inner wall surface of the guide passage comprises a first drive surface and a second drive surface that are oppositely disposed and spaced apart, and the protrusion is located between the first drive surface and the second drive surface; and at least one of the first drive surface and the second drive surface is a plane; or at least one of the first drive surface and the second drive surface is a curved surface, and the curved surface is bent toward the lowering direction of the lifting member.
12 . The lifting apparatus according to claim 1 , comprising a drive member, wherein the drive member comprises a drive member body and a drive shaft, the drive shaft is rotatably connected to the drive member body, the drive shaft comprises a first shaft end and a second shaft end that are opposite to each other, and the first shaft end is coupled to the rotating member.
13 . The lifting apparatus according to claim 12 , wherein the drive member further comprises an anti-creep member, the anti-creep member comprises an elastic part and a fastening part that are connected to each other, the fastening part is connected to a side that is of the drive member body and that is distal from the first shaft end, and the elastic part abuts against the second shaft end.
14 . The lifting apparatus according to claim 12 , further comprising a worm, wherein the first shaft end is inserted into the worm in an axial direction of the worm; and the first shaft end is in interference fit with the worm or the first shaft end is welded to the worm or the first shaft end and the worm are integrated.
15 .- 16 . (canceled)
17 . A camera apparatus, comprising a camera module and a lifting apparatus, wherein the camera module is connected to the lifting apparatus; and the lifting apparatus comprises: a carrier member; a rotating member; a lifting member; a first magnetic induction sensor; and a first magnetic member, wherein: the rotating member is rotatably disposed on the carrier member, the lifting member nests within the rotating member, and the rotating member is configured to drive the lifting member to lift away from or lower into the rotating member in a rotation process; one of the first magnetic induction sensor and the first magnetic member is connected to the rotating member, and the other of the first magnetic induction sensor and the first magnetic member is connected to the carrier member; and the first magnetic member is configured to generate a first magnetic field, the first magnetic induction sensor is located in the first magnetic field, and the rotating member is configured to drive, in the rotation process, one of the first magnetic induction sensor and the first magnetic member to move toward or away from the other.
18 . The camera apparatus according to claim 17 , wherein there are two first magnetic members, the two first magnetic members are spaced from each other in a circumferential direction of the rotating member, and the rotating member is configured to drive, in the rotation process, the first magnetic induction sensor and one of the two first magnetic members to move toward each other, and the first magnetic induction sensor and the other of the two first magnetic members to move away from each other.
19 . The camera apparatus according to claim 18 , wherein south pole-to-north pole directions of the two first magnetic members are opposite to each other in an axial direction of the rotating member; or south pole-to-north pole directions of the two first magnetic members are the same as the circumferential direction of the rotating member.
20 . The camera apparatus according to claim 17 , wherein the carrier member comprises a carrier base and a carrier circuit board that are connected to each other, and the rotating member is rotatably disposed on the carrier base.
21 . The camera apparatus according to claim 20 , wherein the carrier circuit board comprises a first carrier circuit board, the first magnetic induction sensor is connected to the first carrier circuit board, and the first magnetic member is connected to the rotating member.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This application is a national stage of International Application No. PCT/CN 2023/133614, filed on Nov. 23, 2023, which claims priority to Chinese Patent Application No. 202211557911.5, filed with the China National Intellectual Property Administration on Dec. 6, 2022, both of which are incorporated herein by reference in their entireties. TECHNICAL FIELD This application relates to the field of terminal technologies, and in particular, to a lifting apparatus, a camera apparatus, and an electronic device. BACKGROUND An image shooting function is already an indispensable function for an electronic device (for example, a mobile phone or a tablet computer). A camera hole may be provided in a display of an electronic device, so that a camera apparatus gathers light through the camera hole. In a related technology, a camera apparatus may be configured as a lifting structure. During image shooting, the entire camera apparatus is driven to extend out of a side wall of an electronic device, so that a camera hole may not be provided in a display. This improves a screen-to-body ratio of the display and reduces impact on display effect of the display. However, imaging quality of the camera apparatus needs to be improved. SUMMARY Embodiments of this application provide a lifting apparatus, a camera apparatus, and an electronic device, so that imaging quality of the camera apparatus and the electronic device can be improved. A first aspect of embodiments of this application provides a lifting apparatus. The lifting apparatus includes a carrier member, a rotating member, a lifting member, a first magnetic induction sensor, and a first magnetic member. The rotating member is rotatably disposed on the carrier member, the rotating member and the lifting member fit with each other, and the rotating member is configured to drive the lifting member to lift or lower in a rotation process. One of the first magnetic induction sensor and the first magnetic member is connected to the rotating member, and the other of the first magnetic induction sensor and the first magnetic member is connected to the carrier member. The first magnetic member is configured to generate a first magnetic field, the first magnetic induction sensor is located in the first magnetic field, and the rotating member is configured to drive, in the rotation process, one of the first magnetic induction sensor and the first magnetic member to move toward or away from the other. The lifting apparatus provided in this embodiment of this application may include a carrier member, a rotating member, a lifting member, a first magnetic induction sensor, and a first magnetic member. The rotating member is rotatably disposed on the carrier member, the rotating member and the lifting member fit with each other, and the rotating member is configured to drive the lifting member to lift or lower in a rotation process. After the lifting member lifts relative to the rotating member, because a size between the lifting member and the rotating member increases in a thickness direction of the lifting apparatus, a size of the lifting apparatus increases in the thickness direction, a size of the camera apparatus equipped with the camera module increases, and a total track length of a lens of the camera apparatus increases. This improves imaging quality of the camera apparatus and an electronic device. In addition, after the lifting member lowers, the size of the lifting apparatus decreases, reducing impact of the lifting apparatus on the size of the camera apparatus and a size of the electronic device. One of the first magnetic induction sensor and the first magnetic member is connected to the rotating member, and the other of the first magnetic induction sensor and the first magnetic member is connected to the carrier member. The first magnetic member is configured to generate a first magnetic field. The first magnetic induction sensor is located in the first magnetic field, and is configured to sense strength of the first magnetic field. The rotating member is configured to drive, in the rotation process, one of the first magnetic induction sensor and the first magnetic member to move toward or away from the other. When a distance between the first magnetic induction sensor and the first magnetic member is short, the strength of the first magnetic field sensed by the first magnetic induction sensor is higher. When the distance between the first magnetic induction sensor and the first magnetic member is long, the strength of the first magnetic field sensed by the first magnetic induction sensor is lower. The first magnetic induction sensor senses the strength of the first magnetic field and generates a corresponding electrical signal, and determines a rotation angle of the rotating member based on the electrical signal, to determine whether the rotating member rotates to a required position (or is stuck), and determine whether the lifting app