JP2008038805A - Fan motor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fan motor which can increase a total volume of blowing air, expand a blowing range, and improve cooling efficiency. <P>SOLUTION: The air is inhaled from the top surface of the thin quadrangular housing of the fan motor, and is blown off from the side. The fan motor is constituted by forming blowout openings on both sides of one edge region of the housing. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fan motor that is used when cooling an electronic component or device of an electronic device such as a mobile phone or a personal computer that sucks air from the upper surface and blows it out from the side in a thin rectangular shape.

A conventional fan motor of this type has a structure in which air is sucked from the upper surface, bent by 90 degrees, and blown out from one side surface.

For this reason, there existed a fault that efficiency was bad and only 30 to 40% of blowing air volume was obtained compared with the axial fan of the same size.
JP-A-11-153099 JP-A-2-214456

    SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional drawbacks, and an object thereof is to provide a fan motor that can increase the total blown air volume and expand the blowout range to improve the cooling effect. It is said.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

In order to achieve the above object, the present invention provides a fan motor that sucks air from the upper surface of a thin rectangular housing and blows it out from the side surface, and has a fan port formed on both side surfaces of one corner of the housing. The motor is configured.

  As is clear from the above description, the present invention has the following effects.

(1) In the fan motor that sucks air from the upper surface of the thin rectangular housing and blows it out from the side surface, since the outlets are formed on both side surfaces of the corner portion of the housing, Air can be blown out from the outlet on both sides.
Therefore, although the static pressure at the outlet is lowered, the total air volume can be increased and the cooling effect can be improved.

(2) According to the above (1), the width dimension of the outlet can be expanded, and the cooling range can be expanded.

(3) According to the above (1), the air suction area and the blowout area can be formed in substantially the same area.
Therefore, an efficient blowing air volume can be obtained.

(4) According to the above (1), since the structure is simple, it can be easily manufactured, and when it is attached to the corner portion of the equipment, the two sides without the outlet can be positioned at the corner portion, so that the equipment is efficient. Can cool well.

(5) According to the second aspect, the same effects as in the above (1) to (4) can be obtained, the outward protrusion of the central portion of the outlet can be reduced, and the size and size can be reduced.

(6) In the third aspect, the same effects as in the above (1) to (4) can be obtained, and since the outlet is one wide, air can be blown out over the entire width of the outlet.

(7) In the fourth aspect, the same effects as in the above (1) to (4) can be obtained, and the direction of the blown air can be set by the guide fan.

  Hereinafter, the present invention will be described in detail with reference to the best mode for carrying out the present invention shown in the drawings.

  In the best mode for carrying out the present invention shown in FIGS. 1 to 7, reference numeral 1 denotes a fan motor according to the present invention. The fan motor 1 has, for example, a vertical dimension of 15 mm, a horizontal dimension of 15 mm, and a thickness. The housing 4 has a thin quadrangular shape with a dimension of 4 mm, the air inlet 2 is formed on the upper surface, and the outlets 3 and 3 are formed on both side surfaces of one corner, and the housing 4 is provided in the housing 4. The fan 6 is driven by a motor 5 that sucks air from the air inlet 2 and blows it out from the outlets 3 and 3.

  The housing 4 has an opening 7 at the top, blowout ports 3 and 3 formed on both sides, and a housing body 9 in which a housing portion 8 for housing the motor 5 and the fan 6 is formed. It is comprised with the cover board 10 in which the air inflow port 2 attached so that an upper part might be covered was formed.

  In the motor 5, a bearing 11 is formed in a central portion fixed to the bottom surface of the housing portion 8 of the housing body 9, and a substrate 13 having coils 12, 12 provided on the outer periphery thereof, and a bearing 11 of the substrate 13 are provided. A shaft 14 is formed at a central portion that is rotatably mounted, and is composed of a rotating body 16 having a permanent magnet 15 fixed to a portion corresponding to the coils 12, 12.

  The fan 6 includes a mounting plate 17 attached to the rotating body 16 of the motor 5 and a plurality of blades 18 projecting outward from the rotating body 16 from the mounting plate 17.

In the fan motor 1 having the above-described configuration, the fan 6 rotates by driving the motor 5, sucks air from the air inlet 2 at the top of the housing 4, and blows it out from the side outlets 3 and 3.
For this reason, the static pressure for each of the outlets 3 and 3 is reduced by 60 to 70%, but the total blown air volume can be increased by 30 to 40%.
Further, the area of the air inlet 2 and the area of the outlets 3 and 3 can be set to be substantially the same, and by setting in this way, it is possible to blow out with the best air volume.
Further, as shown in FIG. 7, by installing the air outlets 3 and 3 so as not to be positioned at the corner portion 20 of the electronic device 19, the wind from the air outlets 3 and 3 can be distributed over the whole, and the cooling effect Can be improved.
[Different forms for carrying out the invention]

  Next, different modes for carrying out the present invention shown in FIGS. 8 to 24 will be described. In the description of these different modes for carrying out the present invention, the same components as those in the best mode for carrying out the present invention are designated by the same reference numerals and redundant description is omitted. To do.

  The second embodiment for carrying out the present invention shown in FIGS. 8 to 10 is mainly different from the best first embodiment for carrying out the present invention in that the outlets 3 and 3 are connected to the outlets. The fan motor 1A provided with the plurality of guide fins 21 and 22 is provided with a plurality of guide fins 21 and 22 for adjusting the direction of the wind blown from The same effect as the first preferred embodiment for carrying out the invention can be obtained, and the direction of the wind blown from the blowout ports 3 and 3 can be set in advance.

  The third embodiment for carrying out the present invention shown in FIGS. 11 to 13 is mainly different from the best first embodiment for carrying out the present invention in that the outlets 3 and 3 have a width dimension. In order to implement the present invention, the fan motor 1B configured as described above is provided with a plurality of different partition plates 23 and 23 so that the work amount of the outlets 3 and 3 is the same. The same effects as those of the best first embodiment can be obtained.

  The fourth embodiment for carrying out the present invention shown in FIGS. 14 to 16 mainly differs from the best first embodiment for carrying out the present invention in that the outlets 3 and 3 on both side surfaces are different. Even in the fan motor 1C configured as described above, the same function and effect as those of the best first embodiment for carrying out the present invention can be obtained in that the central column is removed so as to be one. At the same time, air can be blown out with a wide width.

  The fifth embodiment for carrying out the present invention shown in FIG. 17 to FIG. 19 is mainly different from the fourth embodiment for carrying out the present invention in that there are a plurality of three outlets on one side. Even with the fan motor 1D configured as described above, the same effect as that of the fourth embodiment for carrying out the present invention can be obtained and the air can be blown out from the air outlet 3 in that the guide fins 21 are provided. The wind direction can be adjusted.

  The sixth embodiment for carrying out the present invention shown in FIG. 20 to FIG. 22 is mainly different from the fourth embodiment for carrying out the present invention in that the corner portion of the portion where the outlet 3 is formed is different. Even in the fan motor 1E configured as described above, the same effect as that of the fourth embodiment for implementing the present invention can be obtained, and the corner portion of the electronic device or the like can be obtained. If it installs in, installation area can be set smaller.

The seventh embodiment for carrying out the present invention shown in FIGS. 23 to 24 is mainly different from the best first embodiment for carrying out the present invention in that there are four in the central portion of the electronic device 19. This arrangement is equivalent to installing one large fan motor at the center of the electronic device 19 in that the fan motors 1, 1, 1, 1 are arranged so as to be able to blow air in all directions. 24, the fan motor thickness can be held below the position indicated by the phantom line in FIG. 24, and the fan motor installation volume (volume) can be substantially reduced. Can be reduced.
The blowing direction in this case can be set as appropriate, such as two different directions, diagonal directions, or a mixture thereof as shown by a solid line or a virtual line.

  The present invention is used in the industry for manufacturing fan motors.

1 is a perspective view of the best first embodiment for carrying out the present invention. The expanded sectional view which follows the 2-2 line of FIG. Explanatory drawing of the state which removed the cover board of the best 1st form for implementing this invention. Explanatory drawing of the housing of the best 1st form for implementing this invention. Explanatory drawing of the state which removed the rotary body of the best 1st form for implementing this invention. BRIEF DESCRIPTION OF THE DRAWINGS Explanatory drawing of the rotary body to which the fan of the best 1st form for implementing this invention was attached. Explanatory drawing of the state attached to the electronic device of the best 1st form for implementing this invention. The perspective view of the 2nd form for implementing this invention. The expanded sectional view which follows the 9-9 line of FIG. Explanatory drawing of the state which removed the cover board of the 2nd form for implementing this invention. The perspective view of the 3rd form for carrying out the present invention. The expanded sectional view which follows the 12-12 line of FIG. Explanatory drawing of the state which removed the cover board of the 3rd form for implementing this invention. The perspective view of the 4th form for carrying out the present invention. The expanded sectional view which follows the 15-15 line of FIG. Explanatory drawing of the state which removed the cover board of the 4th form for implementing this invention. The perspective view of the 5th form for implementing this invention. The expanded sectional view which follows the 18-18 line of FIG. Explanatory drawing of the state which removed the cover board of the 5th form for implementing this invention. The perspective view of the 6th form for implementing this invention. The expanded sectional view which follows the 21-21 line of FIG. Explanatory drawing of the state which removed the cover board of the 6th form for implementing this invention. Explanatory drawing of the state attached to the electronic device of the 7th form for implementing this invention. FIG. 24 is a cross-sectional view taken along line 24-24 of FIG.

Explanation of symbols

1, 1A, 1B, 1C, 1D, 1E: fan motor,
2: Air inlet, 3: Air outlet,
4: Housing, 5: Motor,
6: Fan, 7: Opening,
8: storage section, 9: housing body,
10: cover plate, 11: bearing,
12: Coil, 13: Substrate,
14: shaft, 15: permanent magnet,
16: Rotating body, 17: Mounting plate,
18: Blade, 19: Electronic equipment,
20: Corner part 21, 22: Guide fin,
23: Partition plate, 24: Arc-shaped part.

Claims (4)

A fan motor that sucks air from an upper surface of a thin rectangular housing and blows it out from a side surface, wherein a blowing port is formed on both side surfaces of one corner of the housing. In a fan motor that sucks air from the upper surface of a thin rectangular housing and blows it out from the side, a corner portion of the housing is formed in an arc shape, and a blowout port is formed on both sides thereof motor. In a fan motor that sucks air from the upper surface of a thin rectangular housing and blows it out from the side, a blower outlet is formed so as to form one opening on both side surfaces of one corner of the housing. Fan motor to be used. The fan motor according to any one of claims 1 to 3, wherein a guide fan for guiding the blown air is provided at the blowout opening.

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