Driving component, camera assembly and electronic device
AssigneeBeijing Xiaomi Mobile Software Co., Ltd.
InventorsJiangwei Liu, Hui Wang, Zongbao Yang
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Abstract
A driving component includes a fixing frame, a carrier unit and a magnetostrictive member. The carrier unit is configured to carry a component to be driven, and the carrier unit is connected to the fixing frame and configured to move relative to the fixing frame. The magnetostrictive member is connected with the fixing frame and the carrier unit and configured to control a position of the carrier unit relative to the fixing frame through expansion and contraction of the magnetostrictive member.
Claims14
A driving component, comprising:
- a fixing frame;
- a carrier unit connected to the fixing frame, wherein the carrier unit is configured to carry a component to be driven, and move relative to the fixing frame;
- and
- a magnetostrictive member connected with the fixing frame and the carrier unit, wherein the magnetostrictive member is configured to control a position of the carrier unit relative to the fixing frame through expansion and contraction of the magnetostrictive member,
- wherein the magnetostrictive member comprises a magnetostrictive body and a first coil wound around the magnetostrictive body, and an expanded or contracted state of the magnetostrictive body is adjusted by controlling a current of the first coil,
- wherein the carrier unit comprises a first carrier and a second carrier;
- the first carrier is connected to the fixing frame and movable relative to the fixing frame, and the magnetostrictive member is connected with the fixing frame and the first carrier;
- and
- the second carrier is configured to carry the component to be driven, and the second carrier is connected with the first carrier and movable relative to the first carrier,
- wherein a plurality of first elastic members are provided, the plurality of first elastic members are disposed around the carrier unit, two ends of the first elastic member are connected to the fixing frame, and a middle portion of the first elastic member is connected to the carrier unit,
- wherein the carrier unit further comprises a second elastic member, and the second elastic member is connected with the first carrier and the second carrier, and the second carrier is elastically moveable relative to the first carrier,
- wherein the carrier unit further comprises a third elastic member, and the third elastic member is connected the first carrier and the second carrier, and the second carrier is elastically moveable relative to the first carrier;
- the second elastic member is disposed at upper ends of the first carrier and the second carrier, and the third elastic member is disposed at lower ends of the first carrier and the second carrier;
- wherein the fixing frame comprises a base, wherein the base comprises a protruding structure at each corner, and wherein the magnetostrictive member connection with the fixing frame is by connecting two ends of the magnetostrictive member to the protruding structures.
A camera assembly, comprising a driving component, the driving component comprising:
- a fixing frame;
- a carrier unit connected to the fixing frame, wherein the carrier unit is configured to carry a component to be driven, and move relative to the fixing frame;
- and
- a magnetostrictive member connected with the fixing frame and the carrier unit, wherein the magnetostrictive member is configured to control a position of the carrier unit relative to the fixing frame through expansion and contraction of the magnetostrictive member,
- wherein the driving component is configured to perform a zoom function or an anti-shake function,
- wherein the magnetostrictive member comprises a magnetostrictive body and a first coil wound around the magnetostrictive body, and an expanded or contracted state of the magnetostrictive body is adjusted by controlling a current of the first coil,
- wherein the carrier unit comprises a first carrier and a second carrier;
- the first carrier is connected to the fixing frame and movable relative to the fixing frame, and the magnetostrictive member is connected with the fixing frame and the first carrier;
- and
- the second carrier is configured to carry the component to be driven, and the second carrier is connected with the first carrier and movable relative to the first carrier,
- wherein a plurality of first elastic members are provided, the plurality of first elastic members are disposed around the carrier unit, two ends of the first elastic member are connected to the fixing frame, and a middle portion of the first elastic member is connected to the carrier unit,
- wherein the carrier unit further comprises a second elastic member, and the second elastic member is connected with the first carrier and the second carrier, and the second carrier is elastically moveable relative to the first carrier,
- wherein the carrier unit further comprises a third elastic member, and the third elastic member is connected the first carrier and the second carrier, and the second carrier is elastically moveable relative to the first carrier;
- the second elastic member is disposed at upper ends of the first carrier and the second carrier, and the third elastic member is disposed at lower ends of the first carrier and the second carrier;
- wherein the fixing frame comprises a base, wherein the base comprises a protruding structure at each corner, and wherein the magnetostrictive member connection with the fixing frame is by connecting two ends of the magnetostrictive member to the protruding structures.
An electronic device, comprising a camera assembly, the camera assembly comprising a driving component, the driving component comprising:
- a fixing frame;
- a carrier unit connected to the fixing frame, wherein the carrier unit is configured to carry a component to be driven, and move relative to the fixing frame;
- and
- a magnetostrictive member connected with the fixing frame and the carrier unit, wherein the magnetostrictive member is configured to control a position of the carrier unit relative to the fixing frame through expansion and contraction of the magnetostrictive member,
- wherein the driving component is configured to perform a zoom function or an anti-shake function,
- wherein the magnetostrictive member comprises a magnetostrictive body and a first coil wound around the magnetostrictive body, and an expanded or contracted state of the magnetostrictive body is adjusted by controlling a current of the first coil,
- wherein the carrier unit comprises a first carrier and a second carrier;
- the first carrier is connected to the fixing frame and movable relative to the fixing frame, and the magnetostrictive member is connected with the fixing frame and the first carrier;
- and
- the second carrier is configured to carry the component to be driven, and the second carrier is connected with the first carrier and movable relative to the first carrier,
- wherein a plurality of first elastic members are provided, the plurality of first elastic members are disposed around the carrier unit, two ends of the first elastic member are connected to the fixing frame, and a middle portion of the first elastic member is connected to the carrier unit,
- wherein the carrier unit further comprises a second elastic member, and the second elastic member is connected with the first carrier and the second carrier, and the second carrier is elastically moveable relative to the first carrier,
- wherein the carrier unit further comprises a third elastic member, and the third elastic member is connected the first carrier and the second carrier, and the second carrier is elastically moveable relative to the first carrier;
- the second elastic member is disposed at upper ends of the first carrier and the second carrier, and the third elastic member is disposed at lower ends of the first carrier and the second carrier;
- and
- wherein the fixing frame comprises a base, wherein the base comprises a protruding structure at each corner, and wherein the magnetostrictive member connection with the fixing frame is by connecting two ends of the magnetostrictive member to the protruding structures.
Dependencies are inferred from the claim text.