KR102158331B1 - Electric fan having dual heads - Google Patents

Abstract

The present invention relates to a double-sided fan, and more specifically, it is provided with two heads to generate wind in almost all directions, and at the same time, indoor air is introduced and cooled to be discharged, thereby improving the efficiency of the fan. It relates to a double-sided fan that allows you to
The present invention comprises a support part installed on the ground to support an electric fan, a rotating part connected to the support part, first and second head parts connected to the rotating part to generate wind, and a driving part driving the rotating part In the double-sided fan, an intake fan is provided on the inside of the rotating part, and an air inlet pipe for sucking air from the outside and supplying it to the first and second head parts is connected and installed, and the first and second head parts Hollow-shaped first and second connecting pipes connected to the inlet pipe, first and second rotating shafts inserted into the first and second connecting pipes, and front ends of the first and second rotating shafts It characterized in that it is configured to include first and second fans rotatably coupled to.

Description

Electric fan having dual heads

The present invention relates to a double-sided fan, and more specifically, it is provided with two heads to generate wind in almost all directions, and at the same time, indoor air is introduced and cooled to be discharged, thereby improving the efficiency of the fan. It relates to a double-sided fan that allows you to do it.

In general, an electric fan refers to a tool that generates wind by rotating a rotating blade using an electric motor, and is mainly used to feel cool in hot summer, and is also used for air circulation if necessary.

Fans may be classified into tabletop, seat, wall-mounted, and ceiling-type depending on their shape and use. Most of the existing fans use one rotating blade to generate wind in only one direction, so the fan rotates. Even if the function was included, there was a disadvantage of having to install two or more fans in order to generate wind in several directions at the same time.

As a prior art for solving this problem, Korean Patent Publication No. 1997-0021768, etc., discloses a bi-directional fan. The main technical configuration is that two rotating shafts are provided in the front and rear of the motor, and blades are provided at each end of the rotating shaft. It is installed so that it can generate wind in the front and rear directions at the same time.

That is, the prior art is characterized in that it is configured to generate wind in both directions at the same time using a single fan, but it is necessary to simultaneously drive two blades using one motor, so that the motor is easily Due to the overheating and overheating of the motor, the temperature of the surrounding air is increased, and the wind generated through the two blades contains relatively hot air, so that the efficiency of use as a cooling device is lowered.

As a prior art in consideration of the above problems, Korean Patent Publication No. 10-1506144 discloses a double-sided fan with excellent power transmission and rotation, and its main technical configuration is a body supporting the floor and having a rotating shaft on the upper side. Wow, a rotating part configured to surround the rotating shaft, first and second fans provided on both sides of the upper end of the rotating part and respectively driven by the first and second motors, a driving part driving the rotating part, and power drawn from the body It includes a power terminal supplying the first and second fans.

That is, the prior art is configured to reduce overheating of the motor by each having a motor for driving two fans, but even if one fan is driven by using one motor, heat generation from the motor does not disappear. In addition, since the surrounding indoor air is used as it is to generate wind, there is a problem that an efficient cooling effect cannot be expected in an indoor in hot weather.

1. Republic of Korea Patent Publication No. 10-1506144 (2015. 03. 26. Announcement)

The present invention was conceived to solve the problems of the prior art as described above, and an object of the present invention is to generate wind in almost all directions by providing two heads, while simultaneously introducing and cooling indoor air to discharge it. It is to provide a double-sided fan that can improve the efficiency of the fan by making it possible to do so.

In addition, the present invention provides a double-sided fan capable of purifying indoor air by driving by providing a filter member that can filter out harmful substances such as fine dust on the front of an intake fan that allows inhalation of indoor air. It has a different purpose.

The present invention for achieving the above objects,

A double-sided fan comprising a support part installed on the ground to support the fan, a rotating part connected to the support part, first and second head parts connected to the rotating part to generate wind, and a driving part driving the rotating part In the upper part of the rotating part, an intake fan is provided inside, and an air inlet pipe for sucking air from the outside and supplying it to the first and second head parts is connected and installed, and the first and second head parts are connected to the air inlet pipe. Hollow-shaped first and second connecting pipes to be connected and installed, first and second rotating shafts inserted and installed inside the first and second connecting pipes, and rotatable at the front ends of the first and second rotating shafts It characterized in that it is configured to include first and second fans coupled to each other.

In this case, a pipe expansion portion is formed on the upper portion of the air inlet pipe, a stepped portion is formed on an upper inner circumferential surface of the pipe expansion portion, and a filter member is mounted on the stepped portion.

In addition, the air inlet pipe is configured to be separated into a first air inlet pipe in which an intake fan is installed inside, and a second air inlet pipe connected between the first air inlet pipe and the rotating part, and the second air inlet pipe A partition plate for branching the air supplied to the first and second head portions is formed in a vertical direction in the center of the unit.

In addition, a refrigerant receiving portion in which the refrigerant is accommodated is formed at an upper end of the diaphragm.

In addition, a condensed water discharge pipe for discharging the condensed water formed on the surface of the refrigerant receiving part is formed below the refrigerant receiving part to communicate with the outside of the second air inlet pipe, and a condensed water discharge pipe is provided outside the second air inlet pipe. It characterized in that the condensed water recovery container for accommodating the condensed water discharged through is provided to be detachable.

In addition, a first condensed water discharge pipe for discharging the condensed water formed on the surface of the refrigerant receiving part is formed in the lower part of the refrigerant receiving part to the upper end of the support part along the inner surface of the rotating part, and a condensed water discharge pipe in the inner upper surface of the support part A condensed water receiving groove for receiving the condensed water discharged through the support is formed, and a second condensed water recovery container for recovering the condensed water accommodated in the condensed water receiving groove is detachably provided at the inner lower part of the support, and the condensed water receiving groove and the second condensed water It characterized in that the second condensed water discharge pipe is connected and installed between the recovery bins.

In addition, it is characterized in that the first and second motors are connected to each of the end portions of the first and second rotation shafts for rotating the first and second rotation shafts.

According to the present invention, it is possible to generate wind in almost all directions by providing two heads, so that the range of wind can be widened, and harmful substances such as fine dust can be filtered out in the process of introducing and discharging indoor air. It has an excellent effect that can improve the efficiency of the fan by allowing the indoor air to be cooled and discharged.

1 is a perspective view showing a double-sided fan according to the present invention.
Figure 2 is an exploded perspective view showing the present invention shown in Figure 1 separated.
Figure 3 is a cross-sectional view showing an internal view of the present invention shown in Figure 1;
4 is a view showing in detail the interior of the second air inlet pipe of the present invention shown in FIG.
Figure 5 is a partial cross-sectional view showing another embodiment of a double-sided fan according to the present invention.

Hereinafter, preferred embodiments of the double-sided fan according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a double-sided fan according to the present invention, FIG. 2 is an exploded perspective view showing the present invention shown in FIG. 1 separately, and FIG. 3 is a cross-sectional view showing an internal view of the present invention shown in FIG. 1, and FIG. 4 1 is a view showing in detail the interior of the second air inlet pipe of the present invention, Figure 5 is a partial cross-sectional view showing another embodiment of the double-sided fan according to the present invention.

The present invention relates to a double-sided fan 100 to improve the efficiency of the fan by providing two head parts to generate wind in almost all directions and to cool and discharge indoor air at the same time. As shown in Figs. 1 and 2, the configuration largely includes a support unit 110, a rotation unit 120, a first and a second head unit 130 and 140, a driving unit 150, and an air inlet pipe 160. It is done by doing.

First, the support part 110 is installed in a vertical direction on the ground and serves to support the double-sided fan 100, and the lower part is formed to be wide so that stable support is possible, and the wind direction, wind speed, and operating time are outside the lower part. A button or a lever (not shown) for adjusting the etc. is provided in the same configuration as the support part of a conventional stand type fan.

Next, the rotating part 120 is connected and installed between the first and second head parts 130 and 140 to serve to rotate the first and second head parts 130 and 140, and the support part 110 It is rotatably coupled to the top.

That is, the support part 110 has a hollow shape with an upper end sealed, and the rotating part 120 has a hollow shape with an open upper end and a closed lower end, and is fitted to the outer surface of the support 110 to be described later. It is configured to rotate in the left and right directions while the rotation unit 120 is supported by the support unit 110 by driving 150.

Next, the first and second head parts 130 and 140 are connected to the rotating part 120 in a vertical direction, respectively, to generate wind toward the front, and are installed to face opposite directions.

In more detail, the first and second head portions 130 and 140 include first and second connectors 132 and 142, first and second rotation shafts 134 and 144, and first and second fans 136 and 146. First and first, the first and second connectors 132 and 142 are connected in a vertical direction to both sides of the rotating part 120 to support the first and second head parts 130 and 140, and are opposite to each other. That is, it is installed to achieve an angle of 180 degrees.

In addition, the first and second connecting pipes 132 and 142 have a hollow shape so that external air sucked through the air inlet pipe 160 to be described later is transmitted through the first and second connecting pipes 132 and 142. It can be discharged to the front of the head portion (130, 140).

At this time, although not shown, one end of the first and second connectors 132 and 142, that is, the end of the rotating part 120 is hinged to the rotating part 120 so that the top of the first and second connecting pipes 132 and 142 It goes without saying that it can also be configured to enable angle adjustment in the downward direction.

In addition, the first and second head covers 135 and 145 are coupled to the other ends of the first and second connecting pipes 132 and 142, and the first and second head covers 135 and 145 are described later. It serves to protect the fans 136 and 146 from external impacts and prevent safety accidents caused by the first and second fans 136 and 146 rotating at high speed. It is composed of a rear cover connected to the connector (132, 142) and a front cover coupled to the front of the rear cover.

As will be described later, since the double-sided fan 100 according to the present invention is configured to suck outside air from the top and discharge it to the front, the rear cover is formed in a sealed shape to block air from being discharged to the rear. It is configured, and the front cover is made of a mesh shape like a conventional fan.

Next, the first and second rotating shafts 134 and 144 are inserted and installed in the same direction as the first and second connecting pipes 132 and 142 inside the first and second connecting pipes 132 and 142, and the first and second fans ( 136,146) in a rotatable state, and the rear ends of the first and second rotation shafts 134 and 144 are rotatable inside the first and second connecting pipes 132 and 142 or inside the rotating part 120 And the front ends of the first and second rotation shafts 134 and 144 protrude to the outside of the first and second connection pipes 132 and 142 so that the first and second fans 136 and 146 are coupled.

At this time, as shown in FIG. 3, first and second motors 138 and 148 may be coupled to the rear ends of the first and second rotation shafts 134 and 144, respectively, and the first and second motors 138 and 148 It is discharged forward through the first and second head parts 130 and 140 by increasing the rotational speed of the first and second fans 136 and 146 coupled to the front end by providing rotational force to the first and second rotation shafts 134 and 144. It plays a role in increasing the wind strength.

Next, the first and second fans 136 and 146 are rotatably coupled to the front ends of the first and second rotation shafts 134 and 144 and serve to generate wind toward the front, which will be described later. ) Is configured so that wind can be discharged toward the front of the first and second head parts 130 and 140 while the first and second fans 136 and 146 rotate by the air introduced through them.

In addition, when the first and second motors 138 and 148 are coupled to the rear ends of the first and second rotation shafts 134 and 144, respectively, the first and second fans are driven by driving the first and second motors 138 and 148. The first and second heads by increasing the rotational speed of 136 and 146 so that the flow of air generated by the rotation of the first and second fans 136 and 146 is added to the flow of air introduced through the air inlet pipe 160 The intensity of the wind discharged toward the front of the parts 130 and 140 may be increased.

Next, the driving unit 150 serves to drive the rotation unit 120 to rotate, and is connected and installed between the support unit 110 and the rotation unit 120.

At this time, the drive unit 150 is coupled to the upper end of the drive motor 152 installed on the upper end of the support unit 110 and the rotation shaft 152a of the drive motor 152, as shown in FIG. ) Comprises a drive gear 154 inserted and installed in the gear groove 122 formed at the lower end, and the rotating part 120 is left by the rotation of the drive gear 154 by driving the drive motor 152. , It is configured to be rotated to the right.

In addition, although not shown, a configuration for driving the rotating part 120 of an existing stand-type fan may be applied in the same manner.

Next, the air inlet pipe 160 is connected to the upper portion of the rotating part 120 and serves to suck air from the outside and supply it to the first and second head parts 130 and 140, and the air inlet pipe ( An intake fan 170 is provided inside the 160).

That is, the air inlet pipe 160 is connected in a vertical direction to the upper portion of the rotating part 120 with an open top, and is introduced into the air inlet pipe 160 by driving the intake fan 170. The air moves through the rotating part 120 and the first and second connecting pipes 132 and 142 to rotate the first and second fans so that wind can be discharged toward the front of the first and second head parts 130 and 140. It is composed.

At this time, the air inlet pipe 160 is connected between the first air inlet pipe 160a in which the intake fan 170 is installed, and the lower portion of the first air inlet pipe 160a and the upper portion of the rotating part 120 It may be configured separately into a second air inlet pipe 160b to be installed, and an expansion portion 162a whose diameter decreases toward the bottom is formed at the upper end of the first air inlet pipe 160a to drive the intake fan 170 It is configured so that the inflow of air into the air inlet pipe 160 can be made more easily.

In addition, the expansion part (162a) is discharged toward the front of the first and second head parts (130, 140) by gradually reducing the cross-sectional area through which the air introduced into the air inlet pipe (160) increases, thereby increasing the flow velocity of the air. It also plays a role of increasing the strength of the wind.

In addition, a stepped portion 164a is formed on an upper inner circumferential surface of the expanding portion 162a, and a filter member 180 is seated on the stepped portion 164a to provide fine particles contained in the air flowing into the air inlet pipe 160. It is configured to remove foreign substances such as dust.

At this time, the handle 182 is formed to protrude upward at one edge of the filter member 180 to facilitate installation and separation of the filter member 180 seated on the stepped portion 164a.

Next, the second air inlet pipe 160b is connected to the lower portion of the first air inlet pipe 160a, and the air introduced through the first air inlet pipe 160a by the driving of the intake fan 170 is rotated ( 120) and the first and second head portions 130, 140, and a partition plate 162b is formed in the vertical direction at the inner center of the second air inlet pipe 160b, It is configured such that air to be moved in the direction of the second head parts 130 and 140 can be branched from the inside of the second air inlet pipe 160b.

At this time, the diaphragm 162b protrudes to the lower portion of the second air inlet pipe 160b and extends to the lower end of the rotating portion 120, thereby flowing into the rotating portion 120 through the second air inlet pipe 160b. It is preferable that the flow in the direction of the first and second head parts 130 and 140 is not disturbed, such as air is mixed inside the rotating part 120 to form a vortex.

In addition, a refrigerant receiving portion 164b for accommodating a refrigerant may be formed at an upper end of the diaphragm 162b, and ice or the like may be used as the refrigerant.

That is, a refrigerant receiving portion 164b supported by a diaphragm 162b is formed on the upper end of the second air inlet pipe 160b, and a refrigerant such as ice is accommodated in the refrigerant receiving portion 164b to provide second air. By allowing the air passing through the inlet pipe 160b to be cooled, the temperature of the wind discharged through the first and second head portions 130 and 140 can be lowered.

In addition, since the air passing through the second air inlet pipe 160b is lowered in temperature by the refrigerant receiving unit 164b to form a descending airflow, it is discharged through the first and second head parts 130 and 140. The wind velocity can also be increased.

At this time, a condensed water discharge pipe 190 may be installed below the refrigerant receiving part 164b, and the condensed water discharge pipe 190 serves to discharge the condensed water generated in the refrigerant receiving part 164b to the outside. Is to do.

That is, condensed water is generated on the outer surface of the refrigerant receiving unit 164b due to the temperature difference between the refrigerant receiving unit 164b and the air moving through the second air inlet pipe 160b. It moves and is discharged with the wind through the first and second head parts 130 and 140, or affects the first and second motors 138 and 148 or wiring inside the rotating part 120 or the first and second connectors 132 and 142 It is configured so that it can be discharged to the outside through the condensate discharge pipe 190.

In more detail, as shown in FIG. 4, the condensed water discharge pipe 190 has a funnel shape at its upper end to accommodate condensed water falling from the outer surface of the refrigerant receiving part 164b, and the lower end is a second It is formed to protrude to the outside of the air inlet pipe 160b and is configured to discharge condensed water to the outside of the double-sided fan 100.

At this time, the first condensed water recovery container 192 is detachably coupled to the outside of the second air inlet pipe 160b protruding from the lower end of the condensed water discharge pipe 190 to remove the condensed water discharged through the condensate discharge pipe 190. It is configured to be accommodated in 1 condensed water recovery container 192.

In addition, the upper end of the condensate discharge pipe 190, that is, the funnel shape is supported by the diaphragm 162b, and the refrigerant receiving part 164b may be configured to be supported by the upper end of the condensate discharge pipe 190 have.

Meanwhile, as another embodiment for recovering and discharging the condensed water generated in the refrigerant receiving unit 164b, as shown in FIG. 5, a configuration for recovering the condensed water may be configured to be located on the support unit 110. , This means that in the above-described embodiment, the second air inlet pipe 160b to which the first condensate collection container 192 is fixedly installed is rotated in the left and right directions together with the rotating part 120 when driving the double-sided fan 100. When the second air inlet pipe 160b rotates, unnecessary noise may be generated due to the fluctuation of the condensate contained in the first condensate collection container 192, or an imbalance in the rotation of the first and second head parts 130 and 140 Since there is a risk of occurrence, the configuration for recovering condensed water is configured to be installed on the support 110 that does not rotate.

In more detail, the condensed water discharge pipe 190 is divided into first and second condensed water discharge pipes 190a and 190b, and the first condensed water discharge pipe 190a has an upper end of a funnel shape, and the refrigerant receiving part 164b ) Is configured to accommodate the condensed water falling from the outer surface of the unit, and the lower part is installed along the inner wall surface of the second air inlet pipe 160b and the rotating part 120 so that the lower part protrudes to the lower part of the rotating part 120 do.

Next, the second condensed water discharge pipe 190b is formed inside the support part 110, and a condensate receiving groove 112 is formed between the first condensed water discharge pipe 190a and the second condensed water discharge pipe 190b. .

That is, the rotating part 120 and the second air inlet pipe 160b in which the first condensate discharge pipe 190a is installed are configured to rotate left and right by the driving of the driving part 150, and the second condensate discharge pipe 190b is Since the installed support unit 110 is configured to support the double-sided fan 100 without rotation, a donut-shaped condensate receiving groove 112 is formed on the upper inner surface of the support unit 110 to form the lower end of the first condensate discharge pipe 190a. It is configured to temporarily accommodate the condensate discharged from the.

At this time, a discharge port is formed at the bottom of the condensate receiving groove 112, and the second condensed water discharge pipe 190b is connected between the discharge port and a second condensed water recovery container 194 to be described later.

In addition, although not shown, the bottom of the condensate receiving groove 112 is inclined as a whole so that the outlet is located at the lowest position, so that the condensate can be more easily discharged through the outlet and the second condensate discharge pipe 190b. Of course it can be configured.

Next, a second condensed water collecting container 194 is connected to the lower end of the second condensed water discharge pipe 190b, and the second condensed water collecting container 194 is installed to be detachable from the lower portion of the support part 110.

Accordingly, the condensed water generated on the surface of the refrigerant receiving unit 164b is recovered through the first condensed water discharge pipe 190a, and the second condensed water recovery tank (the second condensed water recovery tank through the condensate receiving groove 112 and the second condensed water discharge pipe 190b) ( The condensed water is configured so as not to affect the driving of the double-sided fan 100 by being accommodated inside the 194.

Therefore, according to the double-sided fan 100 according to the present invention as described above, it is possible to generate wind in almost all directions by providing the two head portions 130 and 140, thereby expanding the range of wind generation. In the process of introducing and discharging air, it is possible to filter out harmful substances such as fine dust, so that not only can the indoor air be purified, but also the efficiency of the fan 100 can be improved by allowing the introduced indoor air to be cooled and discharged. It has a variety of advantages, such as enabling it.

The above-described embodiments have been described with respect to the most preferred example of the present invention, but are not limited to the above embodiments, and the first and second connecting pipes 132 and 142 of the first and second head parts connected to the rotating part 120 It is for those skilled in the art that various modifications can be made without departing from the technical idea of the present invention, such as allowing the angle of the first and second head parts to be adjusted by being hinged to the rotating part 120. It is obvious.

The present invention relates to a double-sided fan, and more specifically, it is provided with two heads to generate wind in almost all directions, and at the same time, indoor air is introduced and cooled to be discharged, thereby improving the efficiency of the fan. It relates to a double-sided fan that allows you to do it.

100: (both sides) fan 110: support
112: condensate receiving groove 120: rotating part
122: gear groove 130: first head portion
132: first connector 134: first rotating shaft
135: first head cover 136: first fan
138: first motor 140: second head portion
142: second connector 144: second rotating shaft
145: second rotating cover 146: second fan
148: second motor 150: driving unit
152: drive motor 152a: rotating shaft
154: drive gear 160: air inlet pipe
160a: first air inlet pipe 160b: second air inlet pipe
162a: expansion part 162b: diaphragm
164a: stepped portion 164b: refrigerant receiving portion
170: intake fan 180: filter member
182: handle 190: condensate discharge pipe
190a: first condensate discharge pipe 190b: second condensate discharge pipe
192: first condensed water recovery container 194: second condensed water recovery container

Claims (7)

A double-sided fan comprising a support part installed on the ground to support the fan, a rotating part connected to the support part, first and second head parts connected to the rotating part to generate wind, and a driving part driving the rotating part In,
An intake fan is provided in the upper part of the rotating part, and an air inlet pipe that sucks air from the outside and supplies it to the first and second head parts is connected and installed,
The first and second head portions have hollow first and second connecting pipes connected to the air inlet pipe, first and second rotating shafts inserted and installed inside the first and second connecting pipes, and the Consisting of including first and second fans rotatably coupled to the front end of the first and second rotation shaft,
The air inlet pipe is configured to be separated into a first air inlet pipe in which an intake fan is installed inside and a second air inlet pipe connected between the first air inlet pipe and the rotating part, and the center of the second air inlet pipe A partition plate for branching the air supplied to the first and second head portions is formed in a vertical direction,
A refrigerant receiving portion in which refrigerant is accommodated is formed at the upper end of the partition plate,
A condensed water discharge pipe for discharging the condensed water formed on the surface of the refrigerant receiving part is formed below the refrigerant receiving part to communicate with the outside of the second air inlet pipe, and discharged through a condensed water discharge pipe outside the second air inlet pipe. A double-sided fan, characterized in that the first condensed water recovery container for receiving the condensed water is provided to be detachable. The method of claim 1,
A double-sided fan, characterized in that a pipe expansion part is formed on the upper part of the air inlet pipe, a stepped part is formed on an upper inner circumferential surface of the expansion part, and a filter member is mounted on the upper part of the stepped part.
delete delete delete delete The method of claim 1,
A double-sided fan, characterized in that it further comprises first and second motors respectively connected to the ends of the first and second rotation shafts to rotate the first and second rotation shafts.

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