KR20200059629A - Portable fan with multiple fans - Google Patents

Abstract

The present invention provides a portable electric fan capable of cooling various parts of a body by a single portable electric fan. The portable electric fan including three fans comprises: the three fans; fan supports connected to the three fans; and a holder connected to the fan supports. Each of the three fans includes: a plurality of blades to rotate; a safety net enclosing the blades, including a plurality of ribs arranged radially, having a through hole formed between the ribs to blow air, and consisting of a front safety net and a rear safety net inserted into and fixed on each other; and a lighting unit for lighting at the center of the front safety net. The lighting unit is a white light-emitting diode (LED). The fan supports are configured to be connected to the three fans and the holder to fix the fans on the holder. The holder includes: a connection unit connected to the holder; a housing to support the connection unit and store a circuit and a battery; and a fixing unit to fix the housing. The connection unit is configured to rotate the positions of three fan supports and has a Bluetooth speaker at the center of the connection unit. The housing may include a circuit, a battery, and a plurality of switches.

Description

Portable fan with multiple fans}

The present invention relates to a portable electric fan that is portable and has various additional functions such as a Bluetooth speaker.

In general, a portable fan is operated with a built-in battery, and is small in size and can be used by carrying. A typical portable electric fan consists of a blade that is rotationally driven by a motor and a handle that accommodates a battery for supplying driving power, so that the user operates the blade by turning on / off the switch provided on the handle to blow air. .

In general, portable electric fans have a fragmentary function that intensively cools only one part of the body (mainly the face). There is a limit to chasing the heat by cooling only one part of the body in Korean weather that gets warmer as the year goes by.

The present disclosure is to provide a multi-purpose portable electric fan having a function of further cooling the heat of various parts of the body with one portable electric fan by further enhancing the function of the electric fan.

In addition, the present disclosure is to provide a portable electric fan with enhanced convenience by mounting functions such as a Bluetooth speaker and LED that are used by modern people based on a portable function.

According to one feature of the present disclosure, a portable electric fan is provided. A portable fan of the present disclosure is a portable fan including three fans, the three fans, and a fan support connected to the three fans; It includes a holder connected to the fan support, each of the three fans is provided with a plurality of blades that are rotationally driven, and a safety net provided to surround the blade-the safety net includes a plurality of ribs arranged radially and blown between the ribs A through hole is formed, and is composed of a front safety net and a rear safety net that are fixed to each other.-And, a lighting unit for lighting is provided in the center of the front safety net.-The lighting unit is a white light emitting diode (LED). It is configured to be connected to the three fans and the cradle, and is configured to fix the fan to the cradle, and the cradle supports a connection portion connected to the fan support, the connection portion, and a housing for storing circuits and batteries and a fixed housing. It includes a government, the connecting portion is configured to rotate the position of the three fan supports and has a Bluetooth speaker in the center of the connecting portion, the housing may include a circuit, a battery and a plurality of switches.

In one embodiment, the circuit may be configured to include a fan ON / OFF switch, an LED ON / OFF switch, a Bluetooth speaker circuit, and a Bluetooth substrate.

According to the present disclosure, if several parts of the body (face, arms, legs, etc.) are simultaneously cooled by one portable fan, and three fans are simultaneously rotated by an internal crank structure, a single portable fan can be useful for multiple people. Can be.

1 is an overall perspective view of a portable electric fan according to the present invention.
2 is a circuit diagram of a portable electric fan according to the present invention.
3A and 3B are views illustrating a cut surface of a button for fixing a necklace according to an embodiment of the present disclosure.
4 is a view showing a ring for fixing a portable electric fan to the user's waist according to an embodiment of the present disclosure.

The specific structure or functional descriptions presented in the embodiments of the present invention are merely exemplified for the purpose of explaining the embodiments according to the concept of the present invention, and the embodiments according to the concept of the present invention may be implemented in various forms. In addition, it should not be construed as being limited to the embodiments described herein, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Meanwhile, in the present invention, terms such as first and / or second may be used to describe various components, but the components are not limited to the terms. The above terms are only for the purpose of distinguishing one component from other components, for example, without departing from the scope of rights according to the concept of the present invention, the first component may be referred to as the second component, Similarly, the second component may also be referred to as the first component. When a component is said to be "connected" or "connected" to another component, it should be understood that other components may be directly connected or connected to the other component, but may be present in the middle. something to do. On the other hand, when a component is referred to as being “directly connected” to or “directly in contact with” another component, it should be understood that no other component exists in the middle. Other expressions for describing the relationship between the components, such as "between" and "immediately between" or "adjacent to" and "directly adjacent to", should be interpreted similarly.

The terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. The term "comprises" or "haves" in this specification is intended to indicate that a feature, number, step, action, component, part, or combination thereof is implemented, one or more other features or numbers, It should be understood that the presence or addition possibilities of steps, actions, components, parts or combinations thereof are not excluded in advance.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall perspective view of a portable electric fan according to the present invention.

Referring to Figure 1, the portable electric fan according to the present disclosure may include three fans (100a, 100b, 100c) and a fan support (170a, 170b, 170c) connecting the fan and the holder) and the holder 180. .

In one embodiment of the present disclosure, the fans 100a, 100b, and 100c may include a plurality of blades 102 that are rotationally driven, and are provided to surround the blades 102 to include safety nets 110 and 120. . In one embodiment, the safety net 110, 120 includes a plurality of ribs 101 disposed radially and a through hole for blowing is formed between the ribs 101, preferably, a front safety net fitted with each other. It may be composed of 110 and the rear safety net 120. The front safety net 110 may include a front safety net 120 and a rear safety net 120 and a rim 111 in which the fitting assembly is performed.

In one embodiment, the lighting unit 130 for lighting is provided at the center of the front safety net 110, and can be used as lighting at night, provided by a white light emitting diode (LED), and can be used to spread or immediately spread light. It can be provided in combination with a hazard lens. For example, an LED may be mounted on the motor portion of the fan to provide lighting. When the portable fan is mounted on the chest or pants and the fan emits light, it can act as a flashlight, and each fan is equipped with LEDs to use three lights. In order to be described later, an LED ON / OFF button may be provided on the cradle 180 to enable independent control of the LED.

In one embodiment of the present disclosure, the fan supports 170a-c are configured to be connected to the fans 100a, 100b, 100c and the cradle 180 to secure the fans 100a, 100b, 100c to the cradle 180 Can function. In one embodiment of the present disclosure, the fan support 170 may be formed of a material capable of angle adjustment by freely deforming a shape such as a tong stand as a neck portion of a fan. For example, the fan support 170 may use a material that can be transformed in shape, such as rubber or plastic on the outside, and may use a light and weak metal such as wire, aluminum, and copper.

In one embodiment of the present disclosure, the holder 180 is a connection portion 181 connected to the fan supports 170a, 170b, 170c, a housing 182 in which circuits and batteries are accommodated, and a fixing portion fixed to the pants or neck. (183). In one embodiment of the present disclosure, the connecting portion 181 may be configured to rotate the positions of the three fan supports 170a, 170b, 170c. In one embodiment of the present disclosure, the connection unit 181 may include a Bluetooth speaker. In one embodiment of the present disclosure, the housing 182 may include a plurality of switches. Various switches, such as a button type or a slide type, may be used as the switch, and the position or arrangement may be variously modified. Specifically, the first switch (not shown) is used to drive the motor to drive the fans 100a, 100b, and 100c, and the second switch (not shown) can be used to adjust the drive speed of the blade. For example, the motor that rotates and drives the blade every time the second switch 352 is pressed may increase or decrease speed. The housing 182 may include a third switch (not shown) for adjusting the plurality of lights 130.

The battery 250 included in the housing 182 is provided by a rechargeable battery, for example, nickel cadmium (Ni-Cd), alkaline batteries, nickel hydrogen (Ni-Mh), lithium ions (Li-ion) ), Lithium polymer (Li-polymer) and the like. The rechargeable battery 250 may be charged by a micro UBS port (not shown), which is a power input terminal provided in the housing 182. The housing 182 in which the rechargeable battery 250 is accommodated may be used as an auxiliary battery for other peripheral devices using a power output terminal (not shown). Preferably, the power input / output terminal is provided by a universal USB connector and a USB port formed of 5 or 8 pins.

4 is a view showing a ring for fixing a portable electric fan to the user's waist according to an embodiment of the present disclosure.

According to one embodiment of the present disclosure, the fixing unit 183 may function to fix the portable electric fan on the waist or pants. In one embodiment, the fixing part 183 may be designed to dig a ring into the housing 182 to maintain the housing 182 in a rectangular shape. After the user secures the ring to the waist of the pants, the user can wrap the waist by stretching the fan's rubber velcro squeaker on both sides.

2 is a circuit diagram of a portable electric fan according to the present invention.

As shown in Figure 2, the circuit diagram is a fan ON / OFF switch (201, 202, 203), LED ON / OFF switch (204, 205, 206), Bluetooth speaker circuit 210, Bluetooth board 220, USB It may include a charger 230, a mobile phone connection 240, a battery 250.

In one embodiment of the present disclosure, the fan ON / OFF switches 201, 202, and 203 can independently control three fans through the switch as a part for controlling the power of each fan. In one embodiment of the present disclosure, the LED ON / OFF switches 204, 205, 206 can independently control three LEDs. The portable fan of the present disclosure has a built-in Bluetooth speaker function, and may be capable of USB charging and mobile phone connection.

Fan freedom degree constraint

In one embodiment of the present disclosure, the neck portion of the portable electric fan may use a material capable of adjusting the angle by freely transforming the shape, such as a 'clamp stand'. For example, a material that can be modified in shape, such as rubber or plastic, may be used on the outside of the neck, and a light and weak metal such as wire, aluminum, and copper may be used inside.

Multiple fan function, rotation function

The portable electric fan of the present disclosure can cool the face and both arms at the same time by grafting three electric fans on one main pole.

The portable electric fan of the present disclosure is provided with a “bluetooth speaker” in a round shape where three fans are gathered, so that the speaker and two cranks are interlocked therein to provide the speaker function and simultaneously rotate the three fans.

The portable electric fan of the present disclosure can independently control the electric fan using three 'ON / OFF buttons', and when the button is pressed once, the intensity of the wind is 'about', the second is 'mid', and the third is 'strong' ', 4 times can have the function of' stop '. At the bottom of the three “ON / OFF buttons”, a “Rotary Switch” can be provided to control (rotate or stop) the fan's rotation function.

Portable fan fixing method

 In one embodiment of the present disclosure, the portable electric fan may use a waist fixing method. This portable fan can be heavier than the existing portable fan because it combines various functions such as three fans, Bluetooth speaker, and LED. The conventional portable electric fan improves the disadvantage of having to carry it by hand, and the portable electric fan of the present disclosure can be used without carrying the electric fan by hand by selecting the 'necklace fixing method' and the 'pants fixing method'.

In one embodiment of the present disclosure, in order to secure the portable electric fan to the pants, the ring behind the electric fan may be designed to be dug into the body to maintain a rectangular shape. Through this structure, it is possible to maintain a rectangular shape so that a fan can be mounted on a desk or the like. For example, after first fixing it to the waist of the pants through a ring, the electric fan rubber velcro on both sides can be stretched to cover the waist. (2nd fixing)

In another embodiment of the present disclosure, the portable electric fan may use a necklace fixing method.

According to the present disclosure, it may be fixed to the waist according to the user's convenience, and may be worn around the necklace. In particular, in order to fix it in the form of a necklace, the part that looks like the handle above (the part with a red circle) is made of plastic or metal (reinforced plastic considering the weight of the fan, material with high creep characteristics, material resistant to small stresses (vibration)). Select it and make it wider than the picture.) It can be fixed with a ring (1st fixation). Next, the Velcro squeakers on both sides of the fan are wrapped around the back of the person's chest to fix the second. Can be. The function of 'Velcro Squeaker' is an essential device for preventing the shaking of the 'portable electric fan equipped with various functions', which is heavier than the existing portable electric fan.

In particular, when fixing the fan by the necklace method, the width and length of the upper body of each user is different, so that the length of the necklace can be adjusted, and the length appropriate for the user is controlled by using the button using the principle of spring to adjust the length. Can be adjusted.

3A and 3B are views illustrating a cut surface of a button for fixing a necklace according to an embodiment of the present disclosure. As shown in FIG. 3A, when the user presses the handle of the button (when an external force is applied), the spring is compressed and a space is provided for the necklace to move, so that the length can be adjusted. As illustrated in FIG. 3B, when the user adjusts the desired length and releases the handle, the necklace may be compressed and fixed in length by the restoring force of the spring.

In another embodiment of the present disclosure, a portable fan may use a crossback method. For example, a portable electric fan can be fixed by using a crossback using a plastic fixing pin together with a necklace fixing type. There is an advantage that the portability of the portable electric fan is further increased, and the length of the strap according to the user's body is more free.

In another embodiment of the present disclosure, the portable electric fan may use a stand type. As described above, since the main body of the portable fan has a rectangular shape, it can be mounted on a desk according to the use (bluetooth speaker, fan, LED), and the shape of the neck of the fan is changed so that many people can use it together. It may be possible.

Charging method

'Portable electric fan equipped with various functions' can use various charging and functions such as USB charging method, mobile phone connection (cell phone charging) and earphone connection for Bluetooth speakers. Referring to FIG. 2 again, a portable electric fan circuit may be equipped with 4056, DC 3V to 12V USB, and a large capacity battery (at least 5000mAh or more) to charge the battery in various ways.

In one embodiment of the present disclosure, the portable electric fan may use a USB charging method. Built-in commercially available "TP4056" and "DC 3V to 12V USB" boards can be used to charge the battery using our commonly used USB. By using the maximum output at 12V, the fan's wind strength can be set to maximum.

In one embodiment of the present disclosure, a portable electric fan may use a mobile phone connection (cell phone charging function). It is possible to connect to a mobile phone through the 'TP4056' board, so if the battery of the mobile phone is low, the portable fans can be connected to each other like an external battery to share the battery.

Convenience function

In one embodiment of the present disclosure, the portable electric fan may provide an earphone connection function. When using a Bluetooth speaker, you may need to use earphones indoors or in public facilities. You can increase the user's convenience by installing an 'earphone adapter' that can connect earphones.

In one embodiment of the present disclosure, the portable electric fan may provide a Bluetooth function. The built-in CT 14 board and speaker used to implement the Bluetooth function enable the function of a Bluetooth speaker as well as a fan function. In one embodiment of the present disclosure, the convenience of the user may be improved by providing a function of “Play / Stop button”, “Sound Up / Down button”, and “Battery remaining amount display” on the right side of the portable electric fan.

In one embodiment of the present disclosure, the mobile phone fan may provide an LED flashlight function. During summer vacations, many people are active at night for summer resorts, and fans may be essential at night due to tropical nights. It is generally dark at night and power failure may occur even during the day. The portable electric fan of the present disclosure may provide an LED flashlight function to increase user convenience. The LED is mounted on the motor part of the fan to emit light. This is a distinctive feature from existing portable fans. If a portable electric fan is mounted on the chest or pants and the light is emitted from the electric fan, it can function as a flashlight even in the dark. (Up to 3 LEDs can be used.) Each fan's ON / OFF button is provided. So, there are 3 ON / OFF buttons and independent control of LED is possible.

The present invention described above is not limited by the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope of the present invention without departing from the technical spirit of the present invention. It will be obvious to those who have the knowledge of.

201, 202, 203: Fan ON / OFF switch
204, 205, 206: LED ON / OFF switch
210: Bluetooth speaker
220: Bluetooth substrate
230: USB charger
240: mobile phone connection
250: battery

Claims (2)

As a portable fan with three fans,
The three fans,
A fan support connected to the three fans;
It includes a holder connected to the fan support,
Each of the three fans is provided with a plurality of blades, which are rotationally driven, and provided to surround the blades. Safety net-The safety net includes a plurality of ribs arranged radially, and through-holes are formed for blowing air between the ribs, and the fitting is fixed. It consists of a front safety net and a rear safety net-and,
A lighting unit for lighting is provided in the center of the front safety net-the lighting unit is a white light emitting diode (LED)-
The fan support is configured to be connected to the three fans and the cradle, and is configured to fix the fan to the cradle,
The cradle includes a connection part connected to the fan support, a housing supporting the connection and housing the circuit and the battery, and a fixing part fixing the housing, and the connection part is configured to rotate the positions of the three fan supports A portable fan having a Bluetooth speaker in the center of the connection, and the housing comprising a circuit, a battery, and a plurality of switches. According to claim 1,
The circuit is a portable fan configured to include a fan ON / OFF switch, LED ON / OFF switch, Bluetooth speaker circuit and Bluetooth board.

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