Magnetically attracted fan set

1 . A magnetically attracted fan set, the fan set comprising N+1 fans, the N is equal to or larger than 1, and each of the N+1 fans having a fan frame and an airflow generating component disposed on the fan frame, the magnetically attracted fan set comprising:

any two adjacent fans of the N+1 fans respectively having a joint surface, each of the joint surfaces having at least one fixing member capable of forming magnetic attraction and a transmission electrode, at least one accommodating groove being disposed on an inner side of the joint surface, and the at least one fixing member being respectively disposed in the at least one accommodating groove,

wherein the two adjacent fans of the N+1 fans are configured to be jointed together by the magnetic attraction and form an electrical connection between the two adjacent fans through the two transmission electrodes when the joint surface of one of the two adjacent fans approaches the joint surface of another one of the two adjacent fans to reach a distance sufficient for the two fixing members on the two joint surfaces to form magnetic attraction,

wherein the fan frame comprises two half-shells assembled with each other, each of the half-shells comprises a mounting groove, the mounting groove is provided for placing the transmission electrode, and each of the half-shells comprises a notch corresponding to the mounting groove, and the two notches jointly form an opening in which the transmission electrode is exposed after the two half-shells are assembled,

wherein the mounting groove is formed on an inner surface of a half-side wall of each of the half-shells, and the half-side wall of one of the half-shells assembles with the half-side wall of another of the half-shells to form a side wall of the fan frame.

2 . The magnetically attracted fan set as claimed in claim 1 , wherein the two fixing members forming magnetic attraction are a magnet respectively.

3 . The magnetically attracted fan set as claimed in claim 1 , wherein the two fixing members forming magnetic attraction are a magnet and a metal member respectively.

4 . The magnetically attracted fan set as claimed in claim 1 , wherein the two fixing members and the two accommodating grooves are on the joint surface, and the two fixing members are located on two opposite sides of the joint surface and are respectively disposed in the two accommodating grooves.

5 . The magnetically attracted fan set as claimed in claim 4 , wherein the fan frame comprises a top plate having a first air opening, a bottom plate parallel to the top plate and having a second air opening communicating with the first air opening, wherein the top plate and the bottom plate are connected with the side wall, and the joint surface is a surface of the side wall.

6 . The magnetically attracted fan set as claimed in claim 5 , wherein the fan frame comprises two half-shells assembled with each other, each of the half-shells is formed with the two accommodating grooves on one side used to form the side wall.

7 . The magnetically attracted fan set as claimed in claim 1 , wherein each of the fans has at least one convex portion or concave portion located on the joint surface and provided for disposing the fixing member, and each of the N+1 fans capable of joining with the aforementioned fan has at least one other convex portion or concave portion located on its joint surface and capable of connecting with the aforementioned convex portion or concave portion.

8 . The magnetically attracted fan set as claimed in claim 1 , wherein the transmission electrode of one of the N+1 fans is a transmission pin set, and the transmission electrode of one of the N+1 fans capable of joining with the aforementioned fan is a transmission socket.

9 . The magnetically attracted fan set as claimed in claim 8 , wherein the transmission electrode is disposed adjacent to the fixing member.

10 . The magnetically attracted fan set as claimed in claim 9 , wherein the fan frame comprises a top plate having a first air opening, a bottom plate parallel to the top plate and having a second air opening communicating with the first air opening, wherein the top plate and the bottom plate are connected with the side wall, and the joint surface is a surface of the side wall.

11 . The magnetically attracted fan set as claimed in claim 1 , wherein the magnetically attracted fan set is connected to a control source, the control source has a control source electrode, and the transmission electrode of one of the N+1 fans at one end is connected to the control source electrode.

12 . The magnetically attracted fan set as claimed in claim 1 , wherein a transmission electrode is provided on the joint surface.

13 . The magnetically attracted fan set as claimed in claim 12 , wherein the transmission electrode of one of the N+1 fans is a transmission pin set, and the transmission electrode of one of the N+1 fans capable of joining with the aforementioned fan is a transmission socket.

14 . The magnetically attracted fan set as claimed in claim 13 , wherein the transmission electrode is disposed adjacent to the fixing member.

15 . The magnetically attracted fan set as claimed in claim 14 , wherein the magnetically attracted fan set is connected to a control source, the control source has a control source electrode, and the transmission electrode of one of the N+1 fans at one end is connected to the control source electrode.