WO2013002038A1

WO2013002038A1 - Electric fan

Info

Publication number: WO2013002038A1
Application number: PCT/JP2012/065233
Authority: WO
Inventors: 剛神谷; 貴勇畔柳
Original assignee: 株式会社マキタ
Priority date: 2011-06-30
Filing date: 2012-06-14
Publication date: 2013-01-03
Also published as: JP2013011244A; JP5697558B2

Abstract

This electric fan (1) is provided with a main body (2), a pedestal (6), and a battery mounting section (13). The main body (2) is provided with: blades (4) that are rotated by an electric motor (3); and a guard (5) that houses the blades (4). The pedestal (6) is installed on an installation surface, and supports the main body (2). The battery mounting section (13) is provided to the top surface of the pedestal (6), and a battery pack, which is the power source that supplies power to the electric motor, is mounted to the battery mounting section (13). The electric fan (1) is further provided with a charger (21), a radio (22), an external apparatus connecting section (23), and an illumination device (24) as first through fourth additional devices having additional functionality differing from the blowing functionality of generating wind.

Description

Fan

The present invention relates to a battery-type electric fan.

∙ Fans that use rechargeable batteries (DC power supplies) as power sources do not require AC power supplied to ordinary households, so they can be carried and used in various places such as construction sites. Moreover, if it removes a battery and charges with the charger prepared separately, it can be used repeatedly. For example, if a rechargeable battery pack used as a battery for electric tools such as electric drills and screwing machines can be used as a power source at a construction site, etc., this type of battery can be used efficiently with an electric fan and electric tool. Can do.

Techniques relating to a fan using a rechargeable battery as a power source are disclosed in Japanese Patent Laid-Open Nos. 3-172598, 2000-92726, and US 2004/0147295. According to the disclosed technology, since a relatively heavy battery is mounted on the lower end portion of the support leg so as to function as a base, the electric fan can be stably installed.

However, in the conventional electric fan described above, the battery itself constitutes the base. For this reason, when the battery is replaced or when the battery is removed and charged, the entire fan needs to be lifted, and the removal operation of the battery is troublesome in this respect. Therefore, it is desirable that the battery can be removed without having to lift the electric fan.

According to one aspect of the present invention, the electric fan has a blowing function for generating wind and includes a main body portion and a pedestal portion. The main body includes a blade that is rotated by an electric motor and a guard that houses the blade. The pedestal is installed on the installation surface and supports the main body. The electric fan further includes a battery mounting unit and an additional device. The battery mounting portion is provided on the upper surface of the pedestal portion, and a battery pack for supplying power to the electric motor is mounted. The additional device has an additional function different from the air blowing function of the electric fan.

According to the first invention, since the battery pack is configured to be mounted on the upper surface of the pedestal portion, it is possible to attach and remove the electric fan without lifting the electric fan, thereby making it easy to use and handle the electric fan. Can increase the sex.

It is a front view of the electric fan concerning the embodiment of the present invention. It is II arrow directional view of FIG. 1, Comprising: It is a right view of an electric fan. It is the III section enlarged view of FIG. 2, Comprising: It is an enlarged view of the right side part of the right leg part containing the external apparatus connection part as a 3rd additional apparatus. It is a whole perspective view of the electric fan seen from the right diagonal rear. It is a whole perspective view of the electric fan seen from the left diagonal front. It is the whole perspective view seen from the diagonally right front of the electric fan provided with the 1 segment television.

Embodiments of the present invention will be described with reference to FIGS. As shown in FIG. 1, the electric fan 1 according to the present embodiment includes a main body 2 and a pedestal 6 that installs (maintains) the main body 2 on an installation surface F. The main body 2 includes an electric motor 3 (DC motor, see FIG. 2), a three-blade blade 4 (fan) that is rotated by the electric motor 3, and a guard 5 that covers the periphery of the blade 4.

A large handle portion 12 for carrying is provided on the upper portion of the guard 5. The periphery of the guard 5 except for the front and back is covered with an elastomer having moderate elasticity. The elastomer covering portion 18 that covers the periphery of the guard 5 prevents the guard 5 from being damaged and improves the durability of the electric fan 1. The elastomer covering portion 18 is provided with bumps 18a to 18a for buffering at appropriate intervals in the circumferential direction. The surrounding convex portions 18a to 18a enhance the shock absorbing ability of the guard 5 at the time of falling or the like, and prevent the damage more reliably.

The pedestal 6 includes a base 7 that is placed in contact with the installation surface F, and two legs 8 that extend upward from the left and right sides of the base 7 and support the main body 2 on both the left and right. , 9 are provided. The base portion 7 has a substantially cylindrical shape, and the battery pack 10 is mounted on the upper surface in the center in the left-right direction.

The left and

right leg portions

8 and 9 are supported by the base portion 7 so as to be vertically rotatable via ring-

shaped support portions

8a and 9a provided at the lower portions thereof. The left and

right leg portions

8 and 9 can tilt in an angle range of approximately 90 ° between a position rising upward from the base portion 7 and a position along the installation surface F. As shown in FIG. 5, the

support portions

8a and 9a are provided with

flat ground portions

8b and 9b, respectively.

As shown in FIGS. 2, 4, and 5, a U-shaped auxiliary leg portion 11 that protrudes rearward is provided at the rear portion of the base portion 7. The auxiliary leg portion 11 holds the base portion 7 so that the battery pack 10 mounted on the upper surface is positioned on the upper side. Thereby, the electric fan 1 can be held in a self-supporting state. When the left and

right legs

8 and 9 are tilted backward with respect to the base 7 and the main body 2 is tilted to a position along the installation surface F, the main body 2 is folded with respect to the auxiliary leg 11. It can be stored compactly.

A battery mounting portion 13 is provided on the upper surface at the center of the left and right of the base portion 7. The battery mounting portion 13 is provided with a pair of left and right rail portions. The battery pack 10 is mounted on the battery mounting unit 13 by sliding the battery pack 10 from the front side toward the back side (from the left side to the right side in FIG. 2) with respect to the battery mounting unit 13. When the battery pack 10 is mounted on the battery mounting portion 13, the battery pack 10 is electrically connected to the power supply circuit of the electric fan 1, and power can be supplied to the electric motor 3.

The battery pack 10 is used as a power source for an electric tool such as an electric screw tightener or a grinder, and the battery pack removed from the electric tool can be used as it is. Therefore, the battery pack 10 can be repeatedly used by being removed from the battery mounting portion 13 and charged by a separately prepared charger. The battery pack 10 according to the present embodiment uses a lithium ion battery in which a plurality of cells are housed in a case, and a high output battery such as 14.4V or 18V is used.

The removal button 10a is provided on the front of the battery pack 10. If the battery pack 10 is slid to the front side (toward this side in FIG. 1) in a state where the detach button 10a is slid upward (unlocked) in FIG. 1, it can be removed from the battery mounting portion 13.

Even when the main body 2 is folded to a position along the installation surface F as described above, the battery pack 10 is mounted and removed by sliding up and down with respect to the battery mounting portion 13.

As shown in FIGS. 1 and 6, a charger 21 that can charge the battery pack 10 as a first additional device is provided inside the base unit 7 and below the battery mounting unit 13. Has been. The battery pack 10 is charged by the charger 21 while the battery pack 10 is mounted on the battery mounting unit 13. When the electric motor 3 is activated as a fan, a direct current is supplied from the battery pack 10. On the other hand, when the electric motor 3 is stopped, the battery pack 10 is charged by the charger 21. The charger 21 is supplied with an AC voltage of 100 V via an AC power cord (not shown).

As shown in FIG. 1 and FIG. 5, a radio 22 is incorporated in the front of the left leg 8 as a second additional device. On the front surface of the left leg 8, a dial switch 22a having a function of adjusting the volume of the radio 22 and turning it on, a tuning dial 22b for tuning, and a speaker 22c are arranged. Further, an antenna 22d for receiving radio waves is provided on the left side of the left leg 8. When the switch 22 a is turned on, power is supplied from the battery pack 10 to the radio 22. When radio waves are received by the antenna 22d and the channel is selected by the dial 22b, the radio program can be listened to through the speaker 22c. On the front surface of the right leg portion 9, a power switch 15 and a strength switching button 16 capable of operating an original function as a fan are arranged.

As shown in FIG. 2, an external device connection unit 23 is provided on the right side of the right leg 9 as a third additional device different from the charger 21 or the radio 22. Details of the external device connection section 23 are shown in FIG. The external device connection unit 23 is provided with a USB port 23c that can connect an output terminal 23a for DC power supply (12V) output, an input terminal 23b for DC power supply input, and an A terminal of USB (Universal Serial Bus). ing. The USB port 23c according to the present embodiment is a bus power type that can supply power to a connected external device.

The handle unit 12 is provided with a lighting device 24 as a fourth additional device as shown in FIGS. The handle part 12 includes a support leg part 12a extending upward from the upper part of the main body part 2 in a left-right pair, and a grip part 12b fixed between the upper end parts of the both support leg parts 12a. On the front surface of both support legs 12a, a full-luminous lighting fixture 24a is arranged. Light emitting diodes (LEDs) are used for the two lighting devices 24a. Both lighting fixtures 24a use the battery pack 10 as a power source. Both lighting fixtures 24a are turned on when the lighting switch 24b provided on the upper portion of the right support leg 12a is pressed and turned off when the lighting switch 24b is pressed again.

As described above, the electric fan 1 includes the main body 2 and the pedestal 6. The main body 2 includes a blade 4 that is rotated by the electric motor 3 and a guard 5 that houses the blade 4, and the pedestal 6 is installed on the installation surface to support the main body 2.

The electric fan 1 further includes a battery mounting portion 13. As shown in FIGS. 1 and 2, the battery mounting portion 13 is provided on the upper surface of the base portion 7 (the pedestal portion 6), and a battery pack as a power source for supplying electric power to the electric motor is provided in the battery mounting portion 13. It is attached to. The direction in which the battery pack slides when the battery pack is mounted and removed is substantially along the installation surface F of the electric fan 1. For this reason, the battery pack 10 can be attached to and detached from the battery attachment portion 13 without bothering to lift the electric fan 1 by gripping the handle portion 12 or the like, that is, while the electric fan 1 is still installed. In this respect, since it is not necessary to spend time and effort as in the prior art, the operability and usability of the electric fan 1 can be improved.

The electric fan 1 further includes first to fourth additional devices having additional functions different from the air blowing function for generating wind.

The electric fan 1 includes a charger 21 (charging device) that is built in as a first additional device. The charger 21 charges the battery pack attached to the battery attachment unit 13. In this case, it can be configured to perform charging with electric power from an AC power source connected to the electric fan 1. That is, since the battery pack 10 is charged in the state where it is mounted on the battery mounting portion 13, it is possible to simplify the labor of charging. This is particularly advantageous as compared with the case where it is necessary to remove the battery from the battery mounting portion 13 and charge with a separately prepared charger every time the battery is charged. In this respect, the usability and added value of the electric fan 1 can be increased.

The electric fan 1 includes an internal radio 22 as a second additional device. The radio 22 uses a battery pack attached to the battery attachment unit 13 as a power source. Thereby, for example, an operator can obtain necessary information and the like on the radio 22 while working as well as using the fan 1 as a blower at the work site. Also in this respect, the added value of the electric fan 1 can be increased.

The electric fan 1 includes an external device connection unit 23 (external device connection device) as a third additional device. An external device that uses a battery pack attached to the battery attachment unit 13 as a power source is connected to the external device connection unit 23. The external device connection unit 23 includes an output terminal 23a of a DC power source. The battery pack 10 can be used as a power source by connecting a power adapter of an external device such as a portable music player to the output terminal 23a. Further, if an AC power source is connected to the input terminal 23b via a power adapter, the electric fan 1 can be used with an AC power source of, for example, a voltage of 100V, that is, both a battery pack and an AC power source can be used as a power source. The external device connection unit 23 further includes a bus power type USB port 23c. If a USB connection type fan, lighting, music player, or the like is connected to the USB port 23c, these various external devices can be used with the battery pack 10 as a power source.

The electric fan 1 includes a lighting device 24 that is installed as shown in FIG. 1 as a fourth additional device. The lighting device 24 uses a battery pack attached to the battery attachment unit 13 as a power source. By using the illuminating device 24, it is possible to efficiently perform work in a dark place while using the original air blowing function of the fan 1.

Although the embodiments of the present invention have been described with reference to the above-described structure, it will be apparent to those skilled in the art that many substitutions, improvements, and changes can be made without departing from the object of the present invention. Accordingly, aspects of the invention may include all alterations, modifications, and variations that do not depart from the spirit and scope of the appended claims. For example, the form of the present invention is not limited to the special structure described above, and can be modified as follows.

The additional device included in the electric fan is not limited to the charger 21, the radio 22, the external device connection unit 23, and the lighting device 24, but may be various devices such as a one-segment television set that use the battery pack 10 as a power source. The additional device can also be a USB terminal for connecting to an AV device, an AUX terminal, a DC input / output terminal, or a portable music player connection dock.

For example, the electric fan 1 can further include a so-called one-segment television 25 as a fifth additional device as shown in FIG. 6 in addition to the first to fourth additional devices. The television 25 is incorporated in the center of the guard 5 as shown in FIG. The television 25 includes a liquid crystal screen 25a, and a power switch 25b, a channel button 25c, and a volume adjustment button 25d are disposed below the liquid crystal screen 25a. According to the fifth additional device, in addition to the air blowing function that is the function of the main body of the fan 1, necessary information and the like can be viewed on the television 25 as a video, and in this respect, the added value of the electric fan 1 is further increased. Can be increased.

Some of the first to fifth additional devices can be omitted as appropriate for the electric fan. Conversely, additional devices different from those described above can be added. For example, an auxiliary terminal (AUX terminal) mainly for audio can be provided. In addition, a dedicated dock for directly connecting a portable music or video player can be provided as an additional device on the support leg 12a or the grip 12b of the handle 12. In this case, the music reproduced by the player can be reproduced by the speaker 22c of the radio 22, and the moving image can be reproduced by the liquid crystal screen 25a and the speaker 22c of the television 25.

The battery pack attached to the battery attachment portion is not limited to the battery pack 10 having the above rated voltage of 14.4 V, but may be other battery packs. Further, the number of battery packs that can be mounted can be freely changed.

The battery mounting part can also be provided at a place other than the upper surface of the base part 7. In addition, the attachment and removal of the battery pack is not limited to sliding, and can be performed by inserting and removing. As a first example, the battery mounting portion may be provided on the left and right side portions of the base portion 7, and one battery pack may be mounted on and removed from each side portion. As a second example, the battery mounting portion may be provided on the back surface portion of the base portion 7. As a third example, the battery mounting portion can be provided on the front or back of one or both of the

legs

8 and 9. As a fourth example, the battery mounting portion can be provided on the front surface, the back surface, or the side portion of the main body portion 2. Also by configuring the battery mounting portion as described above, a moving area necessary for mounting and removing the battery pack is sufficiently ensured in a state where the electric fan is installed on the ground surface. Thereby, a battery pack can be mounted and removed without taking the conventional effort, and the usability of the electric fan 1 can be improved.

Claims

A fan having a blowing function for generating wind,
A main body comprising a blade rotating by an electric motor and a guard for housing the blade;
A pedestal that is installed on the installation surface and supports the main body;
A battery mounting portion on a top surface of the pedestal portion and mounted with a battery pack for supplying electric power to the electric motor;
An electric fan comprising an additional device having an additional function different from the air blowing function.
The electric fan according to claim 1,
An electric fan comprising an internal charging device for charging a battery pack mounted on the battery mounting portion as the additional device.
The electric fan according to any one of claims 1 and 2,
A fan provided with an internal radio that uses a battery pack mounted on the battery mounting portion as a power source as the additional device.
The electric fan according to any one of claims 1 to 3,
An electric fan comprising, as the additional device, an interior lighting device that uses a battery pack mounted on the battery mounting portion as a power source.
The electric fan according to any one of claims 1 to 4,
An electric fan comprising an external device connecting device for connecting an external device that uses a battery pack mounted on the battery mounting portion as a power source as the additional device.
The electric fan according to any one of claims 1 to 5,
A fan provided with a digital signal or analog signal input / output device as the additional device.