KR20220091741A - Electric fan with multi-fan - Google Patents

Abstract

The present invention relates to an electric fan with a multi-fan. The electric fan includes: a main body for installation; a main motor provided in the main body; a rotation body installed to be rotated by the main motor; a plurality of fan motors installed in the rotation body; a fan installed in each fan motor to generate wind power by driving of each fan motor; and a power supply unit supplying driving power from the main body to each fan motor. According to the present invention, the electric fan can provide strong wind power by allowing the multi-fan to perform operations for wind power and rotate entirely, accordingly can be used in various ways such as a circulator that an existing fan cannot accomplish, and can have an effect of enabling economical usage compared to the strong wind power by reducing power consumption relatively more than the usage of a plurality of fans.

Description

Electric fan with multi-fan

The present invention relates to a fan, and more particularly, by rotating as a whole while performing an operation for blowing a multi-blowing fan, provides a strong blowing force, enables economical use compared to a strong blowing power, and a multiple-blowing fan It relates to a fan having a multi-fan that provides natural blowing by adjusting the blowing intensity so that the blowing characteristics for each are different.

In general, a fan is a device for generating wind by rotating a fan connected to a rotation shaft with a motor, and a stop button and a plurality of operation buttons for selecting the rotation speed of the fan are provided in a base portion that is seated on the ground.

Such a fan not only provides wind for a limited area, but also has limited wind speed and volume. In order to improve this, a rotation of the head and a mode for selecting a strong wind are provided, but this existing method has a limit in solving this problem.

As a technology for a fan having a conventional double head, a double fan of 20-0433880 for the Korean Registration Office has been disclosed. This is a double fan, supporting the whole with respect to the floor, a stand comprising a support having an operation panel for controlling the operation; a first fan provided at one end of the stand; And a second fan provided on one side; it includes, characterized in that the rotation direction of the first fan and the second fan can cross each other.

However, this prior art has a problem in that, due to the double fan structure, it helps to increase the air volume, but is still insufficient to provide strong wind.

In order to solve the above problems with the prior art, the present invention provides a strong blowing force by allowing multiple blowing fans to rotate as a whole while performing an operation for blowing, thereby providing a circulator that cannot be used with a conventional fan. By reducing power consumption compared to a large number of fans, it enables economical use compared to strong blowing power, and by controlling the blowing strength so that the blowing characteristics for each of the multiple blowing fans are different, It has the purpose of providing natural ventilation.

In order to solve the above problems, according to an aspect of the present invention, a body for installation; a main motor provided in the body; a rotating body installed to rotate by the main motor; a fan motor installed in a plurality of the rotating body; a blowing fan installed in each of the fan motors to generate blowing force by driving each of the fan motors; and a power supply unit for supplying driving power to each of the fan motors from the main body; including, a fan having a multi-fan.

A plurality of the fan motors may be installed at equal intervals around the rotational center of the rotating body such that the rotating shaft to which the blowing fan is fixed faces forward.

The power supply unit may include: an electromagnet provided on a surface of the main body opposite to the rotating body; and an induction coil installed on the rotating body to face the electromagnet and using an electromotive force generated by an electromagnetic induction action by the rotation of the rotating body as the driving power source.

The electromagnets are formed in a number corresponding to the number of the fan motors in the main body, and are installed to be arranged at equal intervals around the rotational center of the rotating body, and the induction coils are opposite to each of the electromagnets It may be fixed to the rotating body as possible.

The power supply unit may be formed of a slip ring installed concentrically with the rotation shaft of the main motor.

The slip ring may include a fixed ring fixed to the body side; a rotating ring which is rotatably installed on the inside of the fixed ring and fixed to the rotating shaft; a plurality of fixed electrodes installed to be insulated from each other in a radial direction based on a rotation center so as to be fixed to the fixed ring, and electrically connected to a first cable to receive driving power; and a plurality of insulated from each other in the radial direction with respect to the rotation center so as to be fixed to the rotating ring to maintain a state of being electrically connected to each of the fixed electrodes when the rotating ring rotates, and for each of the fan motors and a rotating electrode electrically connected to each of the second cables for providing driving power.

an individual operation unit for inputting an operation signal to adjust the blowing intensity of each of the blowing fans; and an individual control unit receiving the operation signal from the individual operation unit and controlling each of the fan motors to correspond to the operation signal.

Further comprising a transceiver for transmitting the manipulation signal of the individual manipulation unit installed in the main body to the individual control unit located on the side of the rotating body, wherein the transceiver unit is configured to operate the operation from the individual manipulation unit to the individual control unit by wireless communication The signal may be transmitted, or the operation signal may be transmitted from the individual operation unit to the individual control unit by a slip ring installed on the rotation shaft of the main motor.

According to the fan having a multi-fan according to the present invention, by allowing the multi-blowing fan to rotate as a whole while performing an operation for blowing, it is possible to provide a strong blowing force, thereby providing a circulator that cannot be achieved with a conventional fan It can be used for various purposes including It has the effect of providing ventilation.

1 is a front view showing a fan having a multi-fan according to a first embodiment of the present invention,
2 is a side cross-sectional view showing a fan having a multi-fan according to a first embodiment of the present invention;
3 is a block diagram showing a fan having a multi-fan according to a first embodiment of the present invention;
4 is a cross-sectional view taken along line AA of FIG. 2,
5 is a cross-sectional view taken along line BB of FIG. 2,
6 is a side cross-sectional view showing a fan having a multi-fan according to a second embodiment of the present invention;
7 is a front sectional view showing a power supply unit in a fan having a multi-fan according to a second embodiment of the present invention;
8 is a side cross-sectional view showing a power supply in a fan having a multi-fan according to a second embodiment of the present invention.

Since the present invention can have various embodiments with various modifications, specific embodiments will be described with reference to the drawings as an example. In addition, it should be understood that the present invention is not limited to these specific examples, and includes all modifications, equivalents, or substitutes included in the technical spirit of the present invention.

Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings, and the same reference numbers are given to the same or corresponding components regardless of reference numerals, and overlapping description thereof will be omitted. do it with

Figure 1 is a front view showing a fan having a multi-fan according to a first embodiment of the present invention, Figure 2 is a side cross-sectional view showing a fan having a multi-fan according to the first embodiment of the present invention, Figure 3 is It is a configuration diagram showing a fan having a multi-fan according to the first embodiment of the present invention.

1 to 3 , the fan 100 having a multi-fan according to an embodiment of the present invention includes a main body 110 , a main motor 120 , a rotating body 130 , a fan motor 140 , and a blower. It may include a fan 150 and a power supply unit 160 .

The body 110 is for installation, and may have a structure suitable for various installation environments, including a stand structure for being fixed to an installation surface, as well as an attachment structure for attaching to a specific position.

The main motor 120 and the fan motor 140 are provided on the outside with an operation unit 170 including a plurality of buttons or switches to control the on/off, rotational speed, etc. of the main motor 120 and the fan motor 140 . , a control unit 180 for supplying and controlling power to the main motor 120 and the fan motor 140 in response to the operation signal of the operation unit 170 may be provided.

The main motor 120 is provided on the main body 110, and may be installed on the head 111 provided on the upper portion of the main body 110 as in this embodiment, and is operated by receiving power supplied from the outside. The head 111 may have a structure in which a receiving portion is provided for receiving the main motor 120 in a state in which the rotating shaft 121 protrudes outward, and the receiving portion is opened and closed by a cover or the like.

The rotating body 130 is installed to rotate by the main motor 120 , and is fixed to the rotating shaft 121 of the main motor 120 as in this embodiment and rotates by driving the main motor 120 . The rotating body 130 may have a disk or cylindrical shape to have the same rotational radius based on the rotational center so as to minimize vibration or noise during rotation.

A plurality of fan motors 140 are installed on the rotating body 130 . A plurality of fan motors 140 may be installed at equal intervals around the rotation center of the rotating body 130 such that the rotating shaft 141 to which the blowing fan 150 is fixed faces forward. Due to the balanced arrangement of the fan motor 140 , it is possible to minimize the occurrence of vibration or noise during rotation of the rotating body 130 . The fan motor 140 may be wrapped in a housing 142 that can be opened or closed and fixed to the rotating body 130 with a bolt or the like.

The blowing fan 150 is installed on each rotation shaft 141 of the fan motor 140 to generate blowing force by driving each of the fan motors 140 . The blower fan 150 may have a safety net 151 installed on the outside. The safety net 151 is made of a material such as metal or synthetic resin, has a structure that allows ventilation, blocks contact with the blower fan 150, and can be detachably fixed to the housing 142 of the fan motor 140, etc. .

2 to 5 , the power supply unit 160 supplies driving power to each of the fan motors 140 from the main body 110 .

The power supply unit 160 is, for example, installed in the main body 110 to face the electromagnet 161 provided on the surface opposite to the rotating body 130, and to the rotating body 130 to face the electromagnet 161, the rotating body The induction coil 162 may include an induction coil 162 to use the electromotive force generated by the electromagnetic induction action by the rotation of the fan motor 140 as a driving power of the fan motor 140 . The electromagnet 161 may receive power required for operation from the main body 110 through a cable.

The power supply unit 160 may further include a transformer 163 that converts the electromotive force generated from the induction coil 162 into power required for driving the fan motor 140 to be supplied to the fan motor 140 . The transformer 163 may be installed on the rotating body 130 to be located on a cable that supplies driving power from the induction coil 162 to the fan motor 140 .

The number of the electromagnets 161 may correspond to the number of the fan motors 140 , and may be installed so as to be arranged at equal intervals around the rotation center of the rotating body 130 in the main body 110 . The induction coil 162 may be fixed to the rotating body 130 to face each of the electromagnets 161 . Therefore, due to the arrangement of the electromagnet 161 and the induction coil 162 , it can contribute to an increase in the efficiency of the electromagnetic induction action and a reduction in rotational vibration of the rotating body 130 . In addition, the electromagnet 161 and the induction coil 162 are formed in a number corresponding to the number of the fan motors 140 , so that each of the induction coils 162 is configured to supply driving power corresponding to each of the fan motors 140 . can

The fan 100 having a multi-fan according to the first embodiment of the present invention includes an individual operation unit 191 that inputs an operation signal to adjust the blowing intensity of each blowing fan 150, and an operation signal from the individual operation unit 191 may include an individual control unit 192 for receiving the input and controlling each of the fan motors 140 to correspond to the operation signal. The individual operation unit 191 may use a plurality of buttons, switches, or signal input devices such as a touch panel to select the blow intensity for each of the blowing fans 150, and is installed in the body 110 as an example, but it must be It is not limited, and may be installed in the rotating body 130 that can be operated when the rotation is stopped. The individual control unit 192 may be installed in the rotating body 130 or the housing 142 installed on the rotating body 130, and may be provided in plurality to correspond to each of the fan motors 140, or may be formed as a single fan motor ( 140) may be provided to individually control each.

In addition, it may further include a transceiver 193 for transmitting the operation signal of the individual operation unit 191 installed in the main body 110 to the individual control unit 192 located on the rotating body 130 side. The transmission/reception unit 193 transmits an operation signal from the individual operation unit 191 to the individual control unit 192 by wireless communication such as Bluetooth, Wi-Fi, etc., for example, or, as another example, the rotation shaft 121 of the main motor 120 . ), it is possible to transmit an operation signal from the individual operation unit 191 to the individual control unit 192 by a slip ring installed on the. When the transceiver 193 is a wireless communication method, in order to perform wireless communication, it may include communication modules installed on the main body 110 side and the rotating body 130 side, respectively. In addition, when the transceiver 193 is formed of a slip ring, the slip corresponding to the power supply unit 260 (refer to FIGS. 6 to 8 ) in the fan 200 having a multi-fan according to a second embodiment of the present invention to be described later. You can also use rings.

6 is a side cross-sectional view showing a fan having a multi-fan according to a second embodiment of the present invention, and FIG. 7 is a front cross-sectional view showing a power supply unit in a fan having a multi-fan according to a second embodiment of the present invention. , Figure 8 is a side cross-sectional view showing a power supply in a fan having a multi-fan according to a second embodiment of the present invention.

6 to 8, the fan 200 having a multi-fan according to the second embodiment of the present invention includes a main body 210, a main motor 220, a rotating body 230, a fan motor 240, It may include a blower fan 250 and a power supply unit 260, and may further include an individual manipulation unit (not shown), an individual control unit (not shown) and a transceiver unit (not shown), and further, the body 210 The above-described operation unit 270 and a control unit (not shown) may be provided, and the like, the main body 210, the main motor 220, the rotating body 230, the fan motor 240, the blowing fan 250, the operation unit. 270, the control unit, the individual operation unit, the individual control unit, and the transceiver are the same as the configurations of the same name described in the fan 100 having a multi-fan according to the first embodiment of the present invention, so the overlapping description will be omitted. do it with

As for the power supply unit 260, the power supply unit 160 of the fan 100 having a multi-fan according to the first embodiment of the present invention uses a wireless method, whereas in this embodiment a wired method is used. , it may be made of a slip ring (slip ring) installed to form concentric to the rotation shaft 221 of the main motor 220. Here, the slip ring is also called a rotary joint or a rotary connector, and corresponds to a rotary connector that transmits power or signals to the rotating equipment by allowing the power line or signal line to be connected to the rotating equipment without twisting. do.

The slip ring includes a fixed ring 261 fixed to the body 210 side, a rotating ring 262 that is rotatably installed inside the fixed ring 261 and fixed to the rotating shaft 221 , and a fixed ring 261 . ) installed in a plurality to be insulated from each other in the radial direction based on the rotation center so as to be fixed to the fixed electrode 263 and electrically connected to the first cable 265 to receive driving power, respectively, and the rotating ring 262 Installed in plurality to be insulated from each other in the radial direction based on the rotation center to be fixed, to maintain a state of being electrically connected to each of the fixed electrodes 263 when the rotating ring 262 rotates, and to each of the fan motors 240 It may include a rotating electrode 264 electrically connected to each of the second cables 266 for providing driving power for the . Here, the radial direction with respect to the rotation center may mean that when the fixed electrode 263 or the rotation electrode 264 is not a ring-shaped structure such as a straight-line structure, it is arranged in a radial direction from the rotation center, and is fixed. When the electrode 263 or the rotating electrode 264 has a ring-shaped structure, it may mean that the electrode 263 or the rotating electrode 264 is arranged to form a concentric circle on the outside thereof with respect to the rotation center. In addition, in order to maintain the state in which each of the rotating electrodes 264 is electrically connected to each of the fixed electrodes 263 when the rotating ring 262 is rotated, any one or both of the fixed electrode 263 and the rotating electrode 264 is It has a plurality of ring structures, and each of the plurality of rings may be formed to have a different diameter. In this embodiment, the fixed electrode 263 has a straight electrode structure and the rotating electrode 264 has a ring electrode structure. However, the present embodiment is not limited thereto, and the structure may be reversed or all may have a ring electrode structure.

According to the fan having a multi-fan according to the present invention as described above, by allowing the multi-blowing fan to rotate as a whole while performing an operation for blowing, a strong blowing force can be provided. It can be used for a variety of purposes, including as a relay.

In addition, according to the present invention, by reducing power consumption compared to a plurality of fans, it is possible to enable economical use compared to strong blowing power.

In addition, according to the present invention, it is possible to provide natural blowing by adjusting the blowing strength so that the blowing characteristics for each of the multiple blowing fans are different.

Although the present invention has been described with reference to the accompanying drawings as described above, various modifications may be made without departing from the spirit of the present invention. Accordingly, the scope of the present invention should not be limited to the above-described embodiments, but should be defined by the claims and their equivalents.

110,210: body 111: head
120,220: main motor 121,221: rotating shaft
130,230: rotating body 140,240: fan motor
141: rotation shaft 142: housing
150,250: blowing fan 151: safety net
160,260: power supply 161: electromagnet
162: induction coil 163: transformer
170,270: control unit 180: control unit
191: individual control unit 192: individual control unit
193: transceiver 261: fixed ring
262: rotating ring 263: fixed electrode
264: rotating electrode 265: first cable
266: second cable

Claims (8)

body for installation;
a main motor provided in the body;
a rotating body installed to rotate by the main motor;
a fan motor installed in a plurality of the rotating body;
a blowing fan installed in each of the fan motors to generate blowing force by driving each of the fan motors; and
a power supply unit for supplying driving power from the main body to each of the fan motors;
Including, a fan having a multi-fan. The method according to claim 1,
The fan motor is
A fan having a multi-fan, which is installed in plurality at equal intervals around the rotational center in the rotating body so that the rotating shaft to which the blowing fan is fixed faces forward. The method according to claim 1 or 2,
The power supply unit,
an electromagnet provided on a surface of the main body opposite to the rotating body; and
an induction coil installed on the rotating body to face the electromagnet and using an electromotive force generated by electromagnetic induction by the rotation of the rotating body as the driving power;
Including, a fan having a multi-fan. 4. The method according to claim 3,
The electromagnet is
It is made of a number corresponding to the number of the fan motors in the main body, and is installed so as to be arranged at equal intervals around the rotation center of the rotating body,
The induction coil is
A fan having a multi-fan, which is fixed to the rotating body so as to face each of the electromagnets. The method according to claim 1 or 2,
The power supply unit,
A fan having a multi-fan comprising a slip ring installed concentrically to the rotation shaft of the main motor. 6. The method of claim 5,
The slip ring is
a fixing ring fixed to the body side;
a rotating ring which is rotatably installed on the inside of the fixed ring and fixed to the rotating shaft;
a plurality of fixed electrodes installed to be insulated from each other in a radial direction based on a rotation center so as to be fixed to the fixed ring, and electrically connected to a first cable to receive driving power; and
A plurality of installed insulated from each other in the radial direction with respect to the rotation center so as to be fixed to the rotating ring to maintain a state electrically connected to each of the fixed electrodes when the rotating ring rotates, and to drive each of the fan motors Rotating electrodes each electrically connected to a second cable for providing power;
Including, a fan having a multi-fan. The method according to claim 1 or 2,
an individual operation unit for inputting an operation signal to adjust the blowing intensity of each of the blowing fans; and
an individual control unit receiving the operation signal from the individual operation unit and controlling each of the fan motors to correspond to the operation signal;
Further comprising, a fan having a multi-fan. 8. The method of claim 7,
Further comprising a transceiver for transmitting the operation signal of the individual operation unit installed in the main body to the individual control unit located on the side of the rotating body,
The transceiver unit,
Having a multi-fan that transmits the operation signal from the individual operation unit to the individual control unit by wireless communication, or transmits the operation signal from the individual operation unit to the individual control unit by a slip ring installed on the rotating shaft of the main motor fan.

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