Vapor chamber and electronic device

1 . An electronic device comprising:

a heat source and a vapor chamber, wherein heat is conducted between the vapor chamber and the heat source,

wherein the vapor chamber comprises a first cover close to the heat source, and a second cover away from the heat source,

wherein the first cover and the second cover form a cavity, the cavity is divided into at least a first cavity and a second cavity, and

wherein the first cavity and the second cavity have different cross-sectional sizes; and

a plurality of first wicks disposed in the first cavity,

wherein the plurality of first wicks divide the first cavity into a plurality of parallel vapor cavities,

wherein each of the plurality of first wicks has one end connected to the first cover and the other end connected to the second cover,

wherein a second wick is disposed in the second cavity, and the second wick is parallel to the first cover,

wherein each of the plurality of first wicks is connected to the second wick, and

wherein the first cavity communicates with the second cavity.

2 . The electronic device according to claim 1 , wherein the first cavity and the second cavity have different cross-sectional heights.

3 . The electronic device according to claim 1 , wherein the first cavity and the second cavity have different cross-sectional widths.

4 . The electronic device according to claim 1 , wherein the second wick is a single wick, and the second wick covers the first cover.

5 . The electronic device according to claim 1 , wherein a support column is further disposed between the second cover and the second wick, and the support column is configured to support the second cover.

6 . The electronic device according to claim 5 , wherein the support column and the second cover are integrally formed.

7 . The electronic device according to claim 5 , wherein the support column is a protrusion disposed on the second wick, and the support column and the second wick are integrally formed.

8 . The electronic device according to claim 1 , wherein the plurality of first wicks do not overlap with the second wick.

9 . A vapor chamber comprising:

a first cover close to a heat source; and

a second cover away from the heat source,

wherein the first cover and the second cover form a cavity, the cavity is divided into at least a first cavity and a second cavity,

wherein the first cavity and the second cavity have different cross-sectional sizes,

wherein a plurality of first wicks is disposed in parallel in the first cavity,

wherein the plurality of first wicks divide the first cavity into a plurality of parallel vapor cavities,

wherein each of the plurality of first wicks has one end connected to the first cover and the other end connected to the second cover,

wherein a second wick is disposed in the second cavity, and the second wick is parallel to the first cover,

wherein each of the plurality of first wicks is connected to the second wick, and

wherein the first cavity communicates with the second cavity.

10 . The vapor chamber according to claim 9 , wherein the first cavity and the second cavity have different cross-sectional heights.

11 . The vapor chamber according to claim 9 , wherein the first cavity and the second cavity have different cross-sectional widths.

12 . The vapor chamber according to claim 9 , wherein the second wick is a single wick, and the second wick covers the first cover.

13 . The vapor chamber according to claim 9 , wherein a support column is further disposed between the second cover and the second wick, and the support column is configured to support the second cover.

14 . The vapor chamber according to claim 13 , wherein the support column and the second cover are integrally formed.

15 . The vapor chamber according to claim 13 , wherein the support column is a protrusion disposed on the second wick, and the support column and the second wick are integrally formed.

16 . The vapor chamber according to claim 13 , wherein a cross section of the support column is in a circular, rectangular, or irregular shape.

17 . The vapor chamber according to claim 9 , wherein a third wick is further disposed in the second cavity, and the third wick is connected to the plurality of first wicks.

18 . The vapor chamber according to claim 17 , wherein a material of the third wick is the same as materials of the plurality of first wicks and the second wick.

19 . The vapor chamber according to claim 18 , wherein the materials of the plurality of first wicks and the second wick are copper, titanium, alloys, non-metal, or composite materials.

20 . The vapor chamber according to claim 9 , wherein the plurality of first wicks and the second wick adopt a capillary structure, and a manner of forming the capillary structure comprises at least one of the following: weaving, sintering, or etching.

21 . The vapor chamber according to claim 9 , wherein a cross-sectional shape of the first cavity is a rectangle.

22 . The vapor chamber according to claim 9 , wherein a cross-sectional shape of the second cavity is a regular polygon, a circle, or an irregular shape.

23 . The vapor chamber according to claim 9 , wherein materials of the first cover and the second cover are metal, non-metal, or multi-layer composite materials.

24 . The vapor chamber according to claim 9 , wherein the cavity is further divided to obtain a third cavity,

wherein a third wick is disposed in the third cavity;

wherein the third wick has one end connected to the first cover and the other end connected to the second cover, or the third wick is parallel to the first cover; and

wherein the third wick is connected to the plurality of first wicks and the second wick, and the third cavity communicates with the first cavity and the second cavity.

25 . The vapor chamber according to claim 9 , wherein the plurality of first wicks do not overlap with the second wick.