JP2007324374A - Fan motor and electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fan motor and electronic equipment equipped therewith wherein performance is stabilized and cost is suppressed with high reliability to data such as noise, air amount, and static pressure exhibited by a maker. <P>SOLUTION: The fan motor 1 comprises a propeller 111, a motor for driving the propeller 111, and a housing 12 surrounding the propeller 111 and the motor. In the fan motor, on the housing 12 there is formed integrally a fan plate 124 having a predetermined vent hole 124a at one tip end side (tip end side in the direction of an arrow X) in a ventilation direction. Further, the fan plate 124 has a stopper 124b, and a conductor wire 113 connected to the motor is stopped by the stopper 124b along the fan plate 124 and is guided to the outside. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fan motor and an electronic device including the same.

  Improvements in processing capacity and miniaturization of electronic circuits are remarkable, and the field of application of electronic devices using electronic circuits is steadily expanding. In electronic devices, it is indispensable to extend the lifetime and improve reliability to reduce the internal temperature rise due to heat generation of semiconductor components and the like. Therefore, many general electronic devices are provided with a fan unit for suppressing an increase in internal temperature. Many inventions related to the fan unit have been made, and an example of the invention can be seen in Patent Document 1.

  The invention described in Patent Document 1 includes an inner frame member that supports a fan and a motor for driving the fan, and a power supply connector for supplying power to the motor that covers substantially the entire outer peripheral surface of the inner frame member. The inner frame member and the outer frame member pass through the provided outer frame member and the vibration isolating member fitted in the inner frame member so that the outer peripheral surface of the inner frame member and the inner peripheral surface of the outer frame member do not contact each other. It is related with the fan unit provided with the fixing member which fixes.

  According to the invention described in Patent Document 1, the inner frame member that supports the motor does not contact the outer frame member with the outer peripheral surface of the inner frame member and the inner peripheral surface of the outer frame member via the vibration isolation member. As a result, the vibration of the fan unit can be prevented from being transmitted to the housing of the device such as an electronic device, and as a result, noise and distortion / deformation of the power supply connector can be suppressed. be able to.

  As for the fan unit, there have been many inventions related to the mounting structure to an apparatus such as an electronic device, and an example thereof can be seen in Patent Document 2.

  The invention described in Patent Document 2 relates to a mounting structure of a fan unit including a fan and a housing surrounding the fan to a mounting substrate having a notch recess, and a holding frame that fits into the housing; The fan unit is attached to the mounting board using a holder having press-fitting grooves for press-fitting and holding the left and right inner edges of the notch recesses of the mounting board.

According to the invention described in Patent Document 2, since the fan unit can be easily attached to the attachment substrate without using a fixing tool such as a screw or a screw, the workability of the attachment operation can be improved. Further, since the fan unit can be removed from the mounting substrate simply by pulling the fan unit upward, the fan unit can be easily replaced.
JP 2004-241655 A JP 2003-304085 A

  By the way, conventionally, a fan motor including a propeller, a motor for driving the propeller, and a housing that surrounds the propeller and the motor is fitted to the fan holder, and then the electronic device or the like. Has been attached to the device. Here, the fan holder is formed of a fan plate having a predetermined ventilation hole on one surface in the ventilation direction, and secures a flow path of wind when the propeller rotates, and enters a human hand or dust. It is fitted with a fan motor for the purpose of preventing this.

  However, in the past, the fan motor and the fan holder are separate members and are fitted when attached to an apparatus such as an electronic device, so depending on whether the fan motor and the fan holder are fitted or not. There was a problem that the noise level changed greatly and the performance was not stable. In addition, noise, air volume, static pressure, etc. may be greatly affected by the compatibility of the fan motor and fan holder, and the reliability of data such as noise, air volume, static pressure, etc. indicated by the fan motor manufacturer is low. There was also a problem.

  Moreover, since it is necessary to make it possible to fit the fan motor and the fan holder, there is no fitting member that deviates from the original purpose of suppressing the temperature rise inside the device such as an electronic device. There was also a problem that the cost was increased because of the necessity. In addition, there is a problem that the cost increases due to the mold cost necessary for manufacturing the fan holder.

  In view of the above problems, in the present invention, a fan motor with stable performance, high reliability with respect to data such as noise, air volume, and static pressure indicated by the manufacturer, and an electronic device including the same The purpose is to provide.

  In the present invention, the electronic device is an electronic device including a fan motor, and the fan motor includes a propeller, a motor for driving the propeller, and a housing surrounding the propeller and the motor. In the fan motor, a fan plate having a predetermined air hole is integrally formed on one end side in the ventilation direction in the housing, and the fan plate includes a locking portion, and the motor includes The power supply member to be connected is locked along the fan plate by the locking portion and guided to the outside of the fan motor.

  According to this, an electronic device having a fan motor with stable performance, high reliability with respect to data such as noise, air volume, and static pressure indicated by the manufacturer can be provided.

  In the present invention, the fan motor includes a propeller, a motor for driving the propeller, and a housing surrounding the propeller and the motor, and the housing has one end in the ventilation direction. A fan plate having a predetermined air hole is integrally formed on the side.

  According to this, in the fan motor of the present invention, the housing surrounding the propeller and the motor is integrally formed with a fan plate having a predetermined air hole on one end side in the ventilation direction. For this reason, the fan plate that is formed integrally with the fan motor housing can prevent the entry of human hands and dust while ensuring the air flow path when the propeller rotates, eliminating the need for a fan holder. Become. Therefore, it is not necessary to fit the fan motor and the fan holder, so the problem that the noise level greatly changes according to the fitting state of the fan motor and the fan holder in the conventional method is solved. The In addition, since it is not necessary to fit the fan motor and the fan holder, noise, air volume, static pressure, etc. may be greatly affected by the compatibility between the fan motor and the fan holder in the conventional method. The problem of low reliability for data such as noise, airflow, and static pressure, as suggested by the manufacturer, is also resolved. Moreover, since it is not necessary to fit the fan motor and the fan holder, the member for fitting deviates from the original purpose of suppressing the temperature rise inside the device such as an electronic device in the conventional method. Therefore, the problem of increasing the cost is also eliminated. Further, since the fan holder is unnecessary, the problem of cost increase due to the mold cost necessary for manufacturing the fan holder in the conventional method can be solved. As described above, a fan motor with stable performance, high reliability with respect to data such as noise, air volume, and static pressure indicated by the manufacturer and reduced cost can be provided.

  According to the present invention, in the fan motor configured as described above, the fan plate includes a locking portion, and the power supply member connected to the motor is locked along the fan plate by the locking portion and guided to the outside. It is desirable to be removed.

  According to this, in the fan motor of the present invention, in the fan motor configured as described above, the fan plate includes a locking portion, and the power supply member connected to the motor is locked along the fan plate by the locking portion, Guided outside. Therefore, a power supply member such as a cable or a conductor can be connected to an external power supply without being entangled with the propeller.

  According to the present invention, it is possible to provide a fan motor with stable performance, high reliability with respect to data such as noise, air volume, and static pressure indicated by the manufacturer, and an electronic device including the same.

  Embodiments of the present invention will be described below with reference to the drawings.

  First, the fan motor 1 which concerns on embodiment of this invention is demonstrated using FIGS. 1-3. Fig.1 (a) is a perspective view which shows the fan motor 1 which concerns on embodiment of this invention, FIG.1 (b) shows the fan motor 1 which concerns on embodiment of this invention with the arrow in FIG.1 (a). It is a top view which shows a mode that it looked from the direction of X (the ventilation direction). The fan motor 1 includes a fan 11 and a housing 12.

  FIG. 2 is an explanatory diagram showing details of the fan 11. The fan 11 includes a propeller 111, a motor 112, and a conductive wire 113 (power supply member). The propeller 111 is made of synthetic resin or the like, and a plurality of wings (five in FIG. 2) are integrally formed with a cylindrical boss portion. The motor 112 is provided in a hollow portion of a cylindrical boss portion of the propeller 111, and a conductive wire 113 extends from the bottom surface thereof. Then, the fan 11 is attached to the housing 12 so that the direction of the arrow X in FIG. 1A matches the direction of the arrow X in FIG.

  FIG. 3 is a plan view showing the fan motor 1 with the fan 11 removed, that is, the housing 12 as seen from the direction of the arrow X in FIG. The housing 12 includes a base 121, side walls 122, spokes 123, and a fan plate 124, which are integrally formed. Further, the housing 12 has a conducting wire hole 125 and a mounting hole 126.

  The base 121 is a portion on which the cylindrical boss portion of the propeller 111 and the motor 112 are placed. The side wall 122 is a cylindrical enclosure constituted by four surfaces parallel to the ventilation direction of the fan 11. The spokes 123 are radially formed and connect the base 121 and the side wall 122.

  The fan plate 124 is a surface formed on the front end side of the housing 12 in the direction of the arrow X, and has a vent hole 124a and a locking portion 124b. Here, the air hole 124a is for securing a flow path of wind when the propeller 111 rotates.

  The locking portion 124 b is a recess formed in the fan plate 124 from the opposite direction of the arrow X, and the conductive wire 113 extending from the bottom surface of the motor 112 is locked along the fan plate 124 while the conductive wire hole 125. It is to lead to.

  The details will be described below with reference to FIG. FIG. 4 is a cross-sectional view showing the path of the conductive wire 113. As shown in FIG. 4, the conductive wire 113 extending from the bottom surface of the motor 112 is passed through the outside of the fan plate 124 at the locking portion 124b. Then, it is guided to the lead hole 125.

  The conductor hole 125 is penetrated in the direction of the arrow X from the surface of the side wall 122 facing the fan plate 124, reaches the vicinity of the surface of the side wall 122 on the fan plate 124 side, and then penetrates inside the side wall 122. L-shaped holes. Then, the conductive wire 113 is guided to the outside of the fan motor 1 from the surface of the side wall 122 facing the fan plate 124 through the conductive wire hole 125.

  The attachment holes 126 are provided at the four corners of the surface of the side wall 122 on the side facing the fan plate 124. Then, the fan motor 1 is attached to a device such as an electronic device by passing a screw or a screw through the attachment hole 126.

  FIG. 5 is an explanatory diagram showing a state of the electronic device 1000 including the fan motor 1. In FIG. 5, the fan motor 1 is attached to the outside of the housing of the electronic device 1000 using the attachment holes 126. From FIG. 5, it can be seen that the fan plate 124 can prevent a human hand or dust from entering while securing a flow path of the wind when the propeller 111 rotates.

  In FIG. 1 to FIG. 5, some members are omitted for convenience of explanation. For example, in FIG. 1A, the propeller 111 should be peeping from the air hole 124a, but this is omitted. In FIG. 1B, five propeller 111 wings should be visible, but only three are shown.

  As described above, in the fan motor 1 according to the present embodiment, the housing 12 surrounding the fan 11 including the propeller 111 and the motor 112 has one end side in the ventilation direction (the front end side in the direction of the arrow X), A fan plate 124 having a predetermined air hole 124a is integrally formed. For this reason, the fan plate 124 formed integrally with the housing 12 can prevent a human hand or dust from entering while securing a flow path of the wind during the rotation of the propeller 111. Become.

  Therefore, it is not necessary to fit the fan motor and the fan holder, so the problem that the noise level greatly changes according to the fitting state of the fan motor and the fan holder in the conventional method is solved. The In addition, since it is not necessary to fit the fan motor and the fan holder, noise, air volume, static pressure, etc. may be greatly affected by the compatibility between the fan motor and the fan holder in the conventional method. The problem of low reliability for data such as noise, airflow, and static pressure, as suggested by the manufacturer, is also resolved.

  Moreover, since it is not necessary to fit the fan motor and the fan holder, the member for fitting deviates from the original purpose of suppressing the temperature rise inside the device such as an electronic device in the conventional method. Therefore, the problem of increasing the cost is also eliminated. Further, since the fan holder is unnecessary, the problem of cost increase due to the mold cost necessary for manufacturing the fan holder in the conventional method can be solved. As described above, the fan motor 1 is provided that has stable performance, has high reliability with respect to data such as noise, air volume, and static pressure indicated by the manufacturer, and can reduce costs.

  In the fan motor 1 according to the present embodiment, the fan plate 124 includes the locking portion 124b, and the conductive wire 113 connected to the motor 112 is locked along the fan plate 124 by the locking portion 124b. 1 to the outside. Therefore, the conductive wire 113 can be connected to an external power source without being entangled with the propeller 111.

  In addition, this invention is not limited to said embodiment, A various change is possible in the range which does not deviate from the meaning of this invention. For example, the propeller 111 is composed of five wings, but may be seven. Of course, the fan motor 1 can be mounted inside the casing of the electronic device 1000 instead of the outside. Of course, the fan plate 124 can be integrally formed not on the front end side of the housing 12 in the direction of the arrow X but on the front end side in the direction opposite to the arrow X.

  The present invention is effective as a fan motor and an electronic apparatus including the fan motor.

FIG. 1A is a perspective view showing a fan motor 1 according to the embodiment of the present invention, and FIG. 1B shows the fan motor 1 according to the embodiment of the present invention as indicated by an arrow X in FIG. The top view which shows a mode seen from the direction. Explanatory drawing which shows the detail of the fan 11. FIG. The top view which shows a mode that the fan motor 1 of the state which removed the fan 11, ie, the housing 12, was seen from the direction of the arrow X in Fig.1 (a). Sectional drawing which shows the path | route of the conducting wire 113. FIG. FIG. 3 is an explanatory diagram illustrating a state of an electronic device 1000 including a fan motor 1.

Explanation of symbols

1 Fan motor 111 Propeller 112 Motor 113 Conductor (power supply member)
12 Housing 124 Fan plate 124a Ventilation hole 124b Locking part 1000 Electronic device

Claims (3)

An electronic device equipped with a fan motor,
The fan motor is
With a propeller,
A motor for driving the propeller;
A fan motor comprising a housing surrounding the propeller and the motor,
The housing is integrally formed with a fan plate having a predetermined air hole on one end side in the ventilation direction.
The fan plate includes a locking portion,
The power supply member connected to the motor is locked along the fan plate by the locking portion and guided to the outside of the fan motor. With a propeller,
A motor for driving the propeller;
In a fan motor comprising the propeller and a housing surrounding the motor,
The fan motor according to claim 1, wherein a fan plate having a predetermined air hole is formed integrally with the housing at one end side in a ventilation direction. The fan plate includes a locking portion,
The fan motor according to claim 2, wherein the power supply member connected to the motor is locked along the fan plate by the locking portion and guided to the outside.

Images