KR20180104895A - Electric fan heater for agriculture - Google Patents

Abstract

The present invention relates to an electric fan heater for agricultural use having excellent waterproof properties and capable of preventing water falling from the inside of the ceiling part due to condensation thereon from entering a fan heater when increasing temperature inside a plastic greenhouse, a greenhouse, or a cattle shed. The electric fan heater comprises: a main body which includes a lower plate long in front and back directions provided on a lower part thereof, a front vertical plate provided on a front end of the lower plate and including a hot-air outlet at an upper part thereof, a rear vertical plate provided on a rear end of the lower plate, and a vertical mounted plate provided between the front and rear vertical plates, having a lower part thereof affixed to the lower plate, and including an air outlet at an upper part thereof; an electric heater unit which is provided between the hot-air outlet and the air outlet, has open front and rear, and includes a heater unit heating the air passing through the inside thereof; a blower which is provided in the rear of the air outlet to blow air to the air outlet; and a cover case which covers one and other sides and an upper part of the main body, is affixed by a coupling means to the main body, and includes an air inlet introducing air into the blower on one side plate thereof.

Description

Electric fan heater for agriculture [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electric hot air fan for agricultural use, and more particularly, to an electric hot air fan for agricultural use that prevents moisture, which is generated as condensation on the inner surface of a ceiling portion when raising the internal temperature of a greenhouse or a housing, To an agricultural electric hot air fan having excellent waterproofness.

Generally, a greenhouse or a house where a greenhouse or livestock is kept in which crops are cultivated keeps the internal temperature constant for the purpose of promoting smooth life sustaining activity and growth of plants and animals. Currently, a hot air heater is widely used have.

Such a hot air fan can control the internal temperature of a greenhouse, a greenhouse, or a house by heating the air and discharging the warm air at a constant speed.

Accordingly, the present invention is an improvement of a conventional hot air fan for agricultural use. An example of a conventional hot air fan is disclosed in Korean Patent Laid-Open Publication No. 2016-0148381 entitled " .) The following is a look.

In the conventional hot air fan, an ultraviolet lamp and an auxiliary electrode are disposed at the inlet side of the air inlet for introducing the outside air, so that the insect can be eradicated. An electric heater is arranged at the outlet side of the blower for sucking the outside air through the air inlet do.

However, the conventional hot air fan configured as described above is provided with an intake port on the upper part thereof. When the internal temperature of a house or a greenhouse is raised by using a conventional hot air fan, moisture is generated on the inner surface of the ceiling portion of the greenhouse or the greenhouse due to the condensation phenomenon, and the resulting moisture falls to the ground.

Therefore, when the internal temperature of a house or a greenhouse is raised by using a conventional hot air fan, the moisture generated on the inner surface of the ceiling falls and flows into the inside of the fan case, thereby damaging components such as a blower or an electric heater I had.

Korean Patent Laid-Open Publication No. 2016-0148381 entitled "Heat Resistant to Greenhouses and Greenhouses for Agricultural Use" (Dec. 26, 2016)

Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

It is an object of the present invention to provide an air conditioner which can prevent moisture that is generated due to condensation on the inner surface of a ceiling portion from flowing into the interior of a hot air fan when the internal temperature of a greenhouse or a house is raised by using a hot air fan And to provide an electric fan for agricultural use.

Another object of the present invention is to provide an agricultural electric hot air fan which prevents water generated by condensation on the inner surface of a ceiling portion from being absorbed into an electric connection portion or a stabilizer or a switch installed behind the hot air fan have.

It is another object of the present invention to provide an agricultural electric hot air fan for easily assembling a cover case covering an upper portion and both sides of the main body.

Another object of the present invention is to instantaneously raise the heating temperature of the air by passing air through a honeycomb-shaped silicon carbide heater and discharging the air, thereby releasing far infrared rays emitted by warm air to help grow crops (AI, foot-and-mouth disease, etc.) contained in the air can be passed through the inside of the silicon carbide heater to eradicate it.

According to an aspect of the present invention, there is provided an agricultural electric hot air fan according to the present invention, wherein a front lower vertical plate is provided at a lower portion of the lower plate, a front vertical plate having a hot air discharge opening at an upper portion thereof, A main body having a rear vertical plate disposed between the front and rear vertical plates and a vertical mounting plate having a lower portion fixed to the lower plate and an upper portion formed with an air outlet; An electric heater part provided between the hot air discharge port and the air discharge port and having front and rear openings and a heater part for heating air passing through the inside; A blower provided at the rear of the air outlet for blowing air to the air outlet; The cover case covers the other side and the upper side of the main body, is fixed to the main body through fastening means, and the one side plate is provided with an air inflow hole for introducing air into the blower.

The cover case of the "agricultural electric hot air fan" according to the present invention is constituted by a top plate and a top plate and a vertically bent one side and another side plate, And a water blocking plate further protruding rearward than the rear vertical plate.

Further, the warm air discharge port and the air discharge port of the "agricultural electric hot air fan" according to the present invention are formed into a square hole of the same size, the horizontal size of the horizontal pipe is the same as the warm air discharge port, And a rectangular tube identical to the discharge port.

The air outlet of the "agricultural electric hot air fan" according to the present invention is formed as a square hole, and the hot air discharge port is formed into a square hole having the same width as that of the air discharge port and a vertical length longer than the vertical length of the air discharge port, The horizontal pipe is provided at the front and has the same size as that of the hot air discharge port and is integrally provided at the rear of the front rectangular pipe. And a rear square pipe having the same size as the size of the air discharge opening and having the size of the inner rear portion equal to the size of the air discharge opening.

The present invention configured as described above prevents moisture that is generated due to condensation on the inner surface of the ceiling portion from flowing into the interior of the hot air fan when the internal temperature of the greenhouse or the house is raised by using a hot air fan, There is an effect of providing an agricultural electric hot air fan with waterproof property and safety that can prevent a short circuit accident caused by moisture falling from the ceiling.

In addition, the present invention provides an agricultural electric hot air fan which is secured more securely by preventing moisture generated by condensation on the inner surface of the ceiling portion from falling into the electric connecting portion, the stabilizer or the switch provided behind the hot air fan There is also an effect.

In addition, the present invention provides an agricultural electric hot air fan with excellent assembling productivity by allowing the cover case covering the upper and both sides of the main body to be easily assembled.

Further, the present invention is also effective in providing a hot air fan that can instantaneously increase the air heating temperature by heating and discharging air by passing air through a honeycomb silicon carbide heater, thereby providing a hot air fan with excellent thermal efficiency. (AI, foot-and-mouth disease) contained in air can be passed through a silicon carbide heater to provide a sterilizing effect of air.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an agricultural electric hot air fan according to the present invention. FIG.
FIG. 2 is an exploded perspective view of a cover case showing an agricultural electric hot air fan according to the present invention. FIG.
3 is a front view of an agricultural electric hot air fan according to the present invention.
FIG. 4 is a left side view showing the interior of an agricultural electric hot air fan according to the present invention. FIG.
5 is a view showing another embodiment of a horizontal pipe constituting the present invention.
6 is a perspective view of the cover case according to the present invention as viewed from the rear side.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood, however, that the invention can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

FIG. 1 is a perspective view of an agricultural hot air fan according to the present invention, FIG. 2 is an exploded perspective view of a cover case illustrating an agricultural hot air fan according to the present invention, FIG. 3 is a front view showing an agricultural hot air fan according to the present invention, Fig. 5 is a view showing another embodiment of the horizontal pipe constituting the present invention, Fig. 6 is a perspective view of the cover case according to the present invention as seen from the rear side, Fig. to be.

As shown in the drawing, an agricultural electric hot air fan according to the present invention includes front and rear vertical plates 12 and 13 provided on the front and rear sides of a lower plate 11 and a lower plate 11, An electric heater unit 2 provided between the front vertical plate 12 and the vertical mounting plate 14, and an electric heater unit 14 provided between the front vertical plate 12 and the vertical mounting plate 14. The main body 1 includes a vertical mounting plate 14, A blower 3 provided at the rear of the vertical mounting plate 14 and a cover case 4 covering one side and the other side and the upper side of the main body 1.

It is preferable that the lower plate 11 of the main body 1 is formed to be long in the front-rear direction so that the electric heater 2 and the blower 3 can be installed in the front-rear direction. The front vertical plate 12 provided at the front of the main body 1 is preferably vertically raised by bending at the front end of the bottom plate 11 so as to facilitate the manufacture of the main body 1 And a hot air discharge port 121 to be discharged from the electric heater unit 2 is formed on the upper portion of the front vertical plate 12.

 It is preferable that the water shutoff circular pipe 122 is further mounted on the outer circumference of the hot air discharge port 121 through bolts so as to block moisture falling from the ceiling portion. That is, when the internal temperature of the greenhouse or the house is raised by using a hot air fan, the moisture-blocking circular pipe is permeated into the inside of the electric heater unit 2 by moisture generated by the condensation phenomenon on the inner surface of the ceiling portion .

It is preferable that the rear vertical plate 13 provided at the rear of the main body 1 is vertically erected through bending at the rear end of the lower plate 11 so as to facilitate manufacture of the main body 1. [ In addition, an operation control unit is provided to the rear vertical plate 13 such that the electric connection part and the ballast are exposed to the rear, and the operation switch is exposed to the rear of the rear vertical plate 13 in the rear direction.

The vertical mounting plate 14 provided between the front and rear vertical plates 12 and 13 of the main body 1 is fixed to the lower vertical plate 11 and is vertically erected, An air outlet 141 is formed in the upper portion of the electric heater 14 so that the air discharged from the blower 3 can be discharged into the electric heater.

2 to 5, the electric heater unit 2 includes a hot air discharge port 121 formed at an upper portion of the front vertical plate 12 and an air discharge port 121 formed at an upper portion of the vertical mounting plate 14, And is provided between the discharge port 141 and serves to heat the air passing through the inside.

The front and rear ends of the electric heater part 2 having such a function are opened and closed at the front and rear ends of the electric heater part 2 to be fixed to the vertical mounting plate 14 by bolt fastening or welding (21). The electric heater unit 2 includes a heater unit 22 mounted on the inner side of the horizontal tube 21 and heating the air passing through the inside thereof.

A plurality of honeycomb holes (hexagonal honeycomb holes), which are heated by electricity and allow air to pass therethrough, are horizontally formed in the heater portion 22 so as to instantaneously increase the air heating temperature. 221). In addition, a plurality of silicon carbide heaters 221 are fixedly mounted inside the case, and electric wires (not shown) are connected to generate heat through the supply of electricity.

Therefore, according to the present invention, air is passed through the heater unit 22 including a plurality of silicon carbide heaters 221 to heat and discharge the air, thereby instantaneously raising the air heating temperature, thereby increasing the thermal efficiency. In addition, by using the heater unit 22 including a plurality of silicon carbide heaters 221, it is possible to release far infrared rays emitted from the warm air to help crops grow, , Foot-and-mouth disease, etc.) are passed through the inside of the silicon carbide heaters 221 and are eradicated, the sterilization effect of the air can be obtained.

4, the hot air discharge port 121 and the air discharge port 141 are formed into a square hole having the same size, and the horizontal pipe 21 is connected to the inside And a rectangular tube 211 having the same size as that of the warm discharge opening and the size of the rear inside thereof is the same as the warm discharge opening.

5, when the capacity of the hot air fan is increased without increasing the volume of the hot air fan, the air outlet 141 is formed as a square hole, and the width of the hot air outlet 121 is smaller than the width of the air outlet 141, and the upper and lower lengths are formed into a rectangular hole that is longer than the upper and lower lengths of the air discharge ports 141.

The horizontal pipe 21 is provided at the front and has the same size as the hot air discharge port 121 and has a front rectangular pipe 212 having the heater 22 therein, And a rear rectangular pipe 213 integrally provided at the rear and having the size of the inner front side equal to the size of the inside of the front rectangular pipe 212 and the size of the rear inner side equal to the size of the air discharge opening 141 . That is, the rear square pipe 213 is preferably formed of a square pipe having a long vertical length at the front and a narrow vertical length at the rear.

Accordingly, the present invention has the advantage that the capacity of the hot air fan can be increased without increasing the volume of the hot air fan by enlarging the size of the heater part 22 by extending the hot air discharge port 121 and extending the front of the horizontal tube 21 will be.

2 and 4, the blower 3 is provided at the rear of the air outlet 141 to blow air to the air outlet 141.

The blower 3 having such a function is preferably fixed around the air outlet 141 formed at the upper portion of the vertical mounting plate 14 by fastening the bolt around the discharge port.

An air inlet 31 is formed at one side of the blower 3 so as to face an air inlet hole 421 formed in a side plate 42 of a cover case 4 to be described later. It is preferable that a safety net is installed.

Since the internal structure of the blower 3 is already known, the description of the internal structure and operation of the blower 3 will be omitted. It will be omitted.

1 to 3 and 6, the cover case 4 is fixed to the main body 1 through the fastening means while covering one side, the other side and the upper side of the main body 1. Moisture generated by the condensation phenomenon falls on the inner surface of the ceiling portion of the greenhouse or the greenhouse to prevent water from penetrating into the inside of the main body 1. [

The cover case 4 having such a function is preferably integrally formed with the upper and lower plates 41 and 42 and the other side plates 42 and 43 which are vertically bent at the other side of the upper and lower plates 41 and 41. The one side plate 42 is preferably formed with an air inlet hole 421 through which air is introduced into the blower 3.

The moisture generated by the condensation phenomenon on the inner surface of the ceiling portion is separated from the upper plate 41 of the cover case 4 and behind the other side plates 42 and 43 so that the electric connection portion, It is preferable to further include a water blocking plate 44 further protruding rearward than the rear vertical plate 13 so as to prevent penetration into the operation switch.

A guide groove portion 422 is further provided on the upper and lower surfaces of the inner surface of the one side plate 42 of the cover case 4. Air is passed through the guide groove portion 422 provided on the upper and lower portions, A filter net 423 for blocking the air inflow hole 421 may be further installed so as to prevent the inflow of air into the main body 3 or the main body 1. [

1 to 3, the fastening means is formed by vertically bending at both side ends of the lower plate 11 so as to quickly assemble and quickly separate the cover case 4, A front vertical plate 12 and a rear vertical plate 13. The rear vertical plate 13 is formed by bending the upper and the lower sides of the front vertical plate 12 and forming a plurality of tap holes T, Rear and side surfaces of the upper and lower plates 42 and 43 of the upper case 41 of the cover case 4 are formed in the upper and lower sides of the cover case 4, A plurality of assembly holes H formed at positions corresponding to the tap holes T at the front, the rear and the lower portion and the plurality of bolts H which are respectively inserted into the assembly holes H and the tap holes T corresponding to each other, (B).

Accordingly, the present invention has an advantage of providing a hot air fan excellent in assembling productivity by allowing the cover case 4 covering the upper and both sides to be assembled simply by assembling the bolt B only.

Further, a horizontal support plate 45, which is bent inward, may be further formed on the lower portion of the lower vertical folding plate on both sides. Accordingly, the present invention provides the advantage that a hot air fan that does not require the assembly of a separate leg by using the both side horizontal support plates 45 as the legs of the hot air fan.

Meanwhile, a handle 411 may be further provided on the cover case 4. The cover case 4 is further provided with a plurality of rings 412 capable of hanging the hot air fan on the ceiling.

Hereinafter, the operational relationship according to the present invention will be described.

As shown in FIGS. 1 to 6, when the agricultural electric heater according to the present invention is used, a hot air fan is hung from the ceiling of a greenhouse or a house, a table, or a table.

When the next switch is operated, the silicon carbide heaters 221 of the electric heater unit 2 are heated and the air is passed through the honeycomb holes of the silicon carbide heating members 221 by operating the blower 3, And the hot air is supplied to the interior of the greenhouse or the house through the hot air outlet 121.

Accordingly, the present invention is a useful invention for providing a hot air fan with excellent thermal efficiency that can instantaneously increase the air heating temperature by using the electric heater portions 22 (2) including the silicon carbide heaters 221.

The present invention covers the upper and both sides of the main body 1 and the rear side of the main body 1 through the cover case 4 so that when the internal temperature of a greenhouse or a green house or a housing is raised by using a hot air fan, The present invention is a useful invention for providing an agricultural electric hot air fan with excellent waterproofness that can prevent the water that has been generated as a result of the phenomenon from flowing into the interior of the hot air fan.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is clear that the present invention can be suitably modified and applied in the same manner. Therefore, the above description does not limit the scope of the invention defined by the limitations of the following claims.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

1: Body
11: lower plate, 12: forward vertical plate,
121: hot air outlet, 122: water-tight circular tube,
13: rear vertical plate, 14: vertical mounting plate,
141: air outlet
2: electric heater part
21: Horizontal tube, 22: Heater part
3: blower
31: Air inlet
4: Cover Case
41: upper plate, 42: one side plate,
421: air inlet hole, 43: other side plate,
44: moisture barrier plate, 45: horizontal support plate

Claims (9)

And a front vertical plate 12 having a hot air discharge port 121 formed at an upper portion thereof is provided at the front end portion of the lower plate 11 and a rear vertical plate 12 is provided at the rear end portion of the lower plate 11, A vertical mounting plate 14 having a vertical plate 13 and a lower mounting plate 14 fixed to the lower plate 11 and having an air outlet 141 formed therebetween is provided between the front and rear vertical plates 13, (1);
An electric heater unit 2 provided between the hot air discharge port 121 and the air discharge port 141 and having front and rear openings and a heater unit 22 for heating air passing through the inside thereof;
A blower (3) provided at the rear of the air outlet (141) and blowing air to the air outlet (141);
An air inlet hole 421 for introducing air into the blower 3 is formed in one side plate 42. The air inlet hole 421 is formed in the upper surface of the main body 1, A cover case 4 formed;
And an electric heater for heating the electric heater.
The method according to claim 1,
The cover case 4 is constituted by the upper and lower plates 41 and 42 and the other side plates 42 and 43 bent perpendicularly from the other side of the upper plate 41,
A moisture barrier plate 45 further protruding rearward from the rear vertical plate 13 is further provided at the rear of the upper and lower plates 41 and 42 of the cover case 4 Electric hot air fan for agricultural use.
The method according to claim 1,
A guide groove portion 422 is further provided on the upper and lower portions of the inner surface of the one side plate 42 of the cover case 4,
And a filter net (423) for blocking the air inlet hole (421) is further installed in the guide groove portion (422) provided on the upper and lower portions.
The method according to claim 1,
The fastening means
A lower vertical bending plate formed by bending vertically at both ends of the lower plate 11 and having a plurality of taps H,
A rear bending plate formed by bending the upper portion of the front vertical plate 12 and the rear portions from both sides and having a plurality of taps H,
A front bending plate formed on the upper and both sides of the rear vertical plate 13 and bent forward and having a plurality of tap holes T,
A plurality of assembly holes (not shown) formed at positions corresponding to the tap holes T at the front, rear, and bottom of the front, rear, side, and other side plates 42, 43 of the upper case 41 of the cover case 4, H)
A plurality of bolts B threaded through the assembly hole H and the tap hole T respectively corresponding to each other,
And an electric heater for heating the electric heater.
5. The method of claim 4,
And a horizontal support plate (45) which is bent inward is further formed on a lower portion of the lower vertical plate on both sides.
6. The method according to any one of claims 1 to 5,
The electric heater section (2)
A horizontal tube 21 whose front and rear ends are opened and whose front and rear ends are fastened and fixed to the front vertical plate 12 and the vertical mounting plate 14,
A heater unit 22 mounted on the inner side of the horizontal tube 21 and having a plurality of silicon carbide heaters 221 formed by horizontally forming a plurality of honeycomb holes heated by electricity and passing air therethrough,
And an electric heater for heating the electric heater.
The method according to claim 6,
The warm air discharge port 121 and the air discharge port 141 are formed into a square hole having the same size,
Wherein the horizontal tube (21) has a square inner tube (211) whose inner size is the same as the warm air discharge opening and whose inner size is the same as the warm discharge opening.
The method according to claim 6,
The air outlet 141 is formed as a square hole,
The hot air discharge port 121 has a width equal to that of the air discharge port 141 and a vertical length equal to a square hole that is longer than the vertical length of the air discharge port 141,
The horizontal tube (21)
A front rectangular pipe 212 provided at the front and having the same size as the hot air discharge port 121 and having the heater 22 therein,
And the front rear square pipe 212 is integrally provided at the rear of the front square pipe 212 and has a size equal to the size of the inside of the front square pipe 212 and a rear size equal to the size of the air outlet 141 And a square pipe (213).
6. The method according to any one of claims 1 to 5,
And a plurality of rings (412) are further provided on the cover case (4).

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