KR102200306B1 - Rotary humidifying spray module and humidifying spraying device comprising same - Google Patents

Abstract

The present invention relates to a rotary humidification spray module configured so that a liquid agent is supplied to a chamber rotating at high speed by a motor and discharged in a state of being pulverized into fine droplets by centrifugal force. In order to solve the above problems, the present invention comprises: an electric motor (110) having a rotating shaft (111); a cylindrical first chamber (120) in which the rotating shaft (111) passes through the center, and a first hollow (121) is formed; a first fluid supply pipe (130) for supplying a liquid agent to the first hollow (121); a plurality of blades (140) disposed and coupled to the outer circumferential surface of the chamber (120) and having a flow path (141) opened to the outside in communication with the first hollow (121); a cylindrical second chamber (150) coupled to the front of the chamber (120) so that the rotating shaft (111) passes through the center, formed with a second hollow (151) in communication with the first hollow (121), and having an outer circumferential surface formed of a grinding screen film (152); and a second fluid supply pipe (160) for supplying the liquid agent to the second hollow (151) through the first hollow (121). The first and second chambers (120, 150) are fastened to rotate together with the rotating shaft (111). The liquid agent supplied to the first fluid supply pipe (130) is sprayed through the flow path of the blade (140). The liquid agent supplied to the second fluid supply pipe (160) is rotationally sprayed in the form of fine droplets through the grinding screen film (152) of the second chamber (150).

Description

Rotary humidifying spray module and humidifying spraying device comprising the same

The present invention is a rotary humidifying spray module configured to be discharged in a state in which the liquid agent is pulverized into fine droplets by centrifugal force by being supplied to a chamber rotating at high speed by a motor, and the micro droplets generated by the rotary humidifying spray module to the rear blowing module. It relates to a humidification spray device to be sprayed forward by.

Conventionally, water spraying devices used to remove fine dust or odors in mineral handling plants, construction sites, waste and sewage treatment plants, etc. can be classified into a hose fixed type, a duct type, and a nozzle type. The method uses a method of spraying water by transferring water or spraying water pressurized with a high-pressure pump through a nozzle. Have.

In addition, the conventional method is a method of repelling fine dust by spraying high pressure water, so that the pushed out fine dust accumulates, resulting in an area where the concentration of fine dust is relatively higher, and odor molecules are pushed to prevent proper removal. There was a problem.

In addition, in facilities such as power plants or in places where there is a risk of fire or explosion, when fine dust is pushed out with water particles, the concentration of dust in a specific area increases and there is a risk of dust explosion.

In addition, in the case of sites where fine dust or odor occurs frequently, there is a problem in that the amount of water consumption increases and maintenance cost increases because the device must be continuously operated during working hours.

In particular, since the existing spraying device needs to diffuse and spray water from the nozzle at high speed, an air supply device that delivers the air from the air tank at high pressure using a high-capacity air compressor is required. Accordingly, mineral scale is required in the narrow nozzle. As a result, a nozzle clogging occurs, and a large maintenance cost is required to operate and maintain the equipment.

In Korean Patent Registration No. 10-1793420, it is for a'low-pressure direct/wide spray device' and includes a body made of a hollow tube and a spraying means provided inside the front end of the body and supplied with water from the outside to spray. In the case of the above patent, a direct spraying device is installed on the blower and sprayed by mixing water with air to remove uniform spraying and odor, and to increase the cost of water. Has not been presented.

Republic of Korea Utility Model Registration No. 20-0166148 relates to a'spray device for spraying fine particles', and relates to a device for pulverizing and spraying the liquid agent into fine particles by colliding the liquid agent accelerated by the blowing device against the mesh member. In this case, the spray distance can be increased by colliding the liquid with the mesh member and pulverizing it into fine particles, and the clogging of the nozzle can be reduced.

1. Registered Patent No. 10-1793420 "Low-pressure direct/wide spray system" 2. Registered Utility Model No. 20-0166148 "Spraying device for spraying fine particles"

The present invention was conceived to solve the problems of the prior art, and the liquid agent is pulverized into fine droplets to facilitate bonding with fine dust, uniformly sprayed away, and easy to remove odors. It is to provide a rotary humidification spray module that can reduce the amount of use and a humidification spray device including the same.

In order to solve the above-described problem, the present invention is an electric motor 110 having a rotating shaft 111; A cylindrical first chamber 120 in which the rotation shaft 111 is disposed to pass through a center and a first hollow 121 is formed; A first fluid supply pipe 130 for supplying a liquid agent to the first hollow 121; A plurality of blades 140 disposed and coupled to the outer circumferential surface of the first chamber 120 and having a flow path 141 opened to the outside in communication with the first hollow 121; In front of the first chamber 120, the rotation shaft 111 is coupled to pass through the center, a second hollow 151 in communication with the first hollow 121 is formed, and an outer circumferential surface of the crushed screen film ( Cylindrical second chamber 150 consisting of 152; And a second fluid supply pipe 160 for supplying a liquid agent to the second hollow 151 through the first hollow 121. Including, the first and second chambers (120, 150) is fastened so as to rotate with the rotation shaft 111, the liquid agent supplied to the first fluid supply pipe 130, the flow path of the blade 140 The liquid agent sprayed through and supplied to the second fluid supply pipe 160 provides a rotary humidification spray module 100 configured to be sprayed through the grinding screen film 152 of the second chamber 150.

The rotary humidification spray module 100 of the present invention is disposed outside the piping portion of the second fluid supply pipe 160 of the second hollow 151, is fastened to rotate with the second chamber 150, and is connected to the outer periphery. It may be configured to include a cylindrical first distribution port 160 in which a plurality of through holes 161 are formed,

A second distribution port disposed outside the first distribution port 160 of the second hollow 151, fastened to rotate with the second chamber 150, and provided with a screen film 171 on the outer periphery It can be configured to further include (170).

The second chamber 150 is a single pipe member made of a crushed screen film 152, a front plate 153 and a rear plate 154 combined, and a pipe part 181 surrounding the outer periphery of the rotation shaft By further comprising and configuring a connector 180 including a flange portion 182 formed at the front end of the pipe portion 181, the flange portion 182 of the connector 180 is the first and second distribution ports 160 The flanges 162 and 172 respectively formed on the outer edge of the front end of the 170 and the front plate 153 may be connected and fastened, and the rear plate 154 and the first chamber 120 may be fastened.

A bracket plate 190 for fixing the piping positions of the first and second fluid supply pipes 130 and 160 may be further included at the rear of the first chamber 120.

In addition, the present invention "a housing 200 having an inlet and an outlet; A blowing module 300 installed at the inlet side and configured to introduce external air and transfer it to the outlet; And the rotary humidifying spray module 100 installed inside the housing 200 so that the second chamber 150 is positioned at the outlet side. A humidifying spray device configured to include, and configured to discharge the liquid agent in the state of fine droplets sprayed and sprayed from the rotary humidifying spray module 100 to the front by the air transferred by the blowing module 300 is provided together. do.

The inlet side of the housing 200 may be configured to further include an induction blade 400 on the inner side of the blowing module 300,

The guide blade 400 may be configured such that a plurality of blades are formed in a radial direction along the outer peripheral surface of the cylindrical hub, and the blades are inclined at a predetermined blade angle.

In addition, a mounting module 210 is provided with a rotating rod 230 below the cradle coupled to the lower portion of the housing 200, and a stop bar 220 is coupled to the side of the rotating rod 230; And a bobbin 530 configured to vertically rotate by receiving a driving force from the rotation motor 510 through the gearbox 520, a limit switch 540 provided on both sides of the bobbin 530, and the limit switch 540. ) A direction control module 500 configured including a stopper 550 coupled to; It is configured to further include, but the rotating rod 230 is inserted and coupled to the bobbin 530 and rotated longitudinally with the bobbin 530, but the stop bar 220 touches the stopper 550 on one side. When the limit switch 540 is operated, the driving direction of the rotary motor 510 may be changed.

According to the invention described above,

The liquid agent sprayed into the first chamber rotating at high speed by the electric motor is crushed into fine droplets while being discharged with a strong centrifugal force through the blade. It is discharged in a pulverized state, and the discharged fine droplets combine with fine dust and are configured to fall, so that it has the effect of efficiently collecting fine dust and removing odors.

In addition, there is an advantage in that the density and particle diameter of fine droplets can be selected and generated as optimal values by adjusting the water supply amount and the RPM of the motor.

In addition, by spraying fine droplets to collect dust and drop it, there is an advantage that it can be used in facilities with explosion risk or fire risk.

In addition, it consumes a small amount of liquid agent compared to the conventional spraying device, does not require an air compressor, unlike a nozzle type, and is economical because it consumes less electricity.

In addition, a wide spraying range can be secured by rotating the housing of the spraying device in a predetermined spraying range, and fine droplets are sprayed to a greater distance by the blowing module, thereby maximizing watering efficiency.

[Fig. 1] is a cross-sectional view of a rotary humidification spray module provided by the present invention.
[Fig. 2] is a front perspective view of a rotary humidification spray module.
[Fig. 3] is a front exploded perspective view of a rotary humidification spray module.
[Fig. 4] is a rear exploded perspective view of a rotary humidification spray module.
[Fig. 5] is a cross-sectional view of a first chamber to which a blade is applied to the present invention, and a front view and a cross-sectional view of a rear cover.
[Fig. 6] is a cross-sectional view of a second chamber applied to the present invention.
[Fig. 7] is a cross-sectional view of the first and second distribution ports applied to the present invention.
[Figure 8] is an exploded perspective view of the present invention humidification spray device housing and holder.
[Fig. 9] is a perspective view showing the humidification spray device of the present invention.

1. Rotary humidification spray module

The present invention is "electric motor 110 having a rotating shaft 111; A cylindrical first chamber 120 in which the rotation shaft 111 is disposed to pass through a center and a first hollow 121 is formed; A first fluid supply pipe 130 for supplying a liquid agent to the first hollow 121; A plurality of blades 140 disposed and coupled to the outer circumferential surface of the first chamber 120 and having a flow path 141 opened to the outside in communication with the first hollow 121; In front of the first chamber 120, the rotation shaft 111 is coupled to pass through the center, a second hollow 151 in communication with the first hollow 121 is formed, and an outer circumferential surface of the crushed screen film Cylindrical second chamber 150 consisting of 152; And a second fluid supply pipe 160 for supplying a liquid agent to the second hollow 151 through the first hollow 121. Including, the first and second chambers (120, 150) is fastened so as to rotate with the rotation shaft 111, the liquid agent supplied to the first fluid supply pipe 130 is a flow path of the blade 140 The liquid agent sprayed through and supplied to the second fluid supply pipe 160 provides a rotary humidification spray module 100 configured to be sprayed through the grinding screen film 152 of the second chamber 150.

1 is a cross-sectional view of a rotary humidification spray module 100. In the present specification, in describing the rotary humidification spray module 100, the direction of the electric motor 110 is specified to the rear, and the direction of the tip of the rotary shaft 111 is specified to the front.

[Fig. 2] to [Fig. 4] are a front perspective view ([Fig. 2]), a front exploded perspective view ([Fig. 3]), and a rear exploded perspective view shown to clearly understand the structure of the present invention rotary humidification spray module 100 ([Fig. 4]).

[Fig. 5] to [Fig. 7] show the respective constituent members of the present invention rotary humidification spray module 100, hereinafter, the present invention will be described in detail with the accompanying drawings.

However, in the following description of the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, the detailed description thereof will be omitted.

The electric motor 110 is provided with a rotation shaft 111 and may control the number of rotations of the rotation shaft 111.

The first chamber 120 is a cylindrical member, the rotation shaft 111 is disposed to pass through the center, and a first hollow 121 is formed. A first fluid supply pipe 130 for supplying a liquid agent is piped into the first hollow 121, and a plurality of blades 140 are disposed and coupled to the outer peripheral surface of the first chamber 120. The blade 140 has a flow path 141 opened to the outside in communication with the first hollow 121 (see [Fig. 5]).

The second chamber 150 is coupled so that the rotation shaft 111 passes through the center in front of the first chamber 120, and a second hollow 151 in communication with the first hollow 121 is formed. And, the outer peripheral surface is a cylindrical member composed of a grinding screen film 152. The second fluid supply pipe 160 is piped to supply the liquid agent to the second hollow 151 through the first hollow 121.

In the state where the first and second fluid supply pipes 130 and 160 are piped as described above, the rear of the first chamber 120 may be closed with a rear cover 122, and the first chamber 120 A bracket plate 190 for fixing the piping positions of the first and second fluid supply pipes 130 and 160 from the rear may be additionally installed.

The first and second chambers 120 and 150 are fastened to rotate together with the rotation shaft 111, and the first and second fluid supply pipes 130 and 160 rotate the first and second chambers 120 and 150. It should be piped so as not to interfere with this, and accordingly, the liquid agent supplied to the first fluid supply pipe 130 is sprayed in the direction of the centrifugal force through the flow path 141 of the blade 140 so that it is dispersed in a state of fine droplets. I can. That is, the liquid agent sprayed from the flow path 141 of the blade 140 may collide with the wall surface of the housing 200 to be described later to be pulverized into fine droplets, and a plurality of screens on the inner peripheral surface of the housing 200 By forming a layer, it can be configured to form fine droplets through sequential grinding. In addition, the liquid agent supplied to the second fluid supply pipe 160 is also rotated and sprayed into a fine droplet state through the grinding screen film 152 of the second chamber 150.

The particle diameter of the fine droplets generated as described above can be changed by adjusting the number of revolutions (that is, the number of revolutions of the electric motor) of the first and second chambers 120 and 150 and the amount of the liquid agent added. Accordingly, the electric motor 110 may be equipped with a converter and connected to the controller to adjust the number of rotations, and valves may be installed in the first and second fluid supply pipes 130 and 160 to control the opening and closing rate of the valve. Controllers can be configured together.

As the number of rotations of the first and second chambers 120 and 150 by the electric motor 110 increases, droplets having a finer particle diameter may be generated, and as the amount of the liquid agent injected increases, the density of the generated fine droplets increases. .

On the other hand, the present invention is disposed outside the piping portion of the second fluid supply pipe 160 of the second hollow 151, is fastened to rotate together with the second chamber 150, and a plurality of through holes 161 at the outer periphery This formed cylindrical first distribution port 160 may be further included. Since the first distribution port 160 also rotates together with the second chamber 150, the liquid agent supplied to the second hollow 151 rotates along the inner circumferential surface of the first distribution port 160 and the through hole 161 Since it is sprayed to the outside of the first dispensing unit 160 through the method, the liquid agent may be primarily crushed during this process.

In addition, the second distribution port is fastened to rotate together with the second chamber 150 on the outside of the first distribution port 160 of the second hollow 151 and provided with a screen film 171 at the outer periphery ( 170), the liquid agent first crushed while passing through the through hole 161 of the first distribution port 160 is again secondary to the screen film 171 of the second distribution port 170 Is shredded. In this case, since the liquid agent is thirdly crushed while passing through the crushing screen film 152 of the second chamber 150 again, the pulverization is performed in stages even under the condition that the electric motor 110 is controlled at a relatively small number of revolutions. An environment favorable to the generation of fine droplets is created.

As the through hole 161 of the first distribution port 160, the screen film 171 of the second distribution port 170, and the pulverizing screen film 152 of the second chamber 150 go outward, the pore diameter becomes finer. By configuring to have, finally, fine droplets having a uniform particle size can be generated, and this configuration exhibits a particularly advantageous effect when the viscosity of the liquid agent is high.

The second chamber 150 may be composed of a single tube member made of a crushing screen film 152 and a front plate 153 and a rear plate 154 combined.

In addition, while further comprising and configuring a connector 180 including a pipe portion 181 surrounding the outer periphery of the rotation shaft 111 and a flange portion 182 formed at the front end of the pipe portion 181, the connector 180 ) Of the flange portion 182 is connected to and fastened to the flanges 162 and 172 respectively formed on the front edge of the first and second distribution ports 160 and 170 and the front plate 153, and the rear plate Reference numeral 154 may be configured to be directly fastened to the first chamber 120.

2. Humidifying spray system

The rotary humidification spray module 100 provided by the present invention may be installed inside the housing 200 of the humidification spray device. Assuming that inlets and outlets are formed at both ends of the housing, the rotary humidification spray module 100 may be installed inside the housing 200 so that the second chamber 150 is positioned at the outlet side. . The liquid agent in the state of fine droplets sprayed and sprayed from the rotary humidifying spray module 100 is configured to be discharged forward by the air transferred by the blowing module 300.

[Fig. 8] is an exploded perspective view of the housing 200 and the cradle 201 of the humidification spray apparatus of the present invention, and [Fig. 9] is a perspective view showing the overall structure of the humidification spray apparatus.

The humidification spray device provided by the present invention includes a blowing module 300 and a housing 200 in which the rotary humidification spray module 100 is disposed, and supports the housing 200 and a direction control module 500 It may be configured to further include a mounting module 210 coupled to and a direction control module 500 configured to rotate the housing 200 within a predetermined range.

As shown in [Fig. 8], in the housing 200, the blowing module 300 consisting of a fan for introducing external air into the inside and a motor for rotating it is arranged and coupled to the inlet, and a rotary humidification spray module ( The gauze cylinder 140 of 100) is coupled to be positioned at the injection port side.

The fine droplet particles finely pulverized and sprayed by the rotary humidification spray module 100 in the above-described process are discharged to the outside by the air supplied by the blowing module 300 and uniformly diffused.

In addition, the humidification spray device may be configured to further include an induction blade 400 provided inside the air blowing module 300 at the inlet side of the housing 200, the induction blade 400, the cylindrical A plurality of blades are formed in a radial direction along the outer peripheral surface of the hub, and the blades may be configured to be inclined at a predetermined blade angle.

The air introduced through the blowing module 300 collides with the blades of the guide blades 400 to form a vortex in the form of a vortex and is discharged through the injection port. Accordingly, the fine droplets collide with the inner wall of the housing 200 It is pulverized into smaller microparticles and mixed evenly with air, so that the dispersion surface is evenly formed.

9 shows the structure of the direction control module 500 for changing the direction of the outlet within a certain angle range by rotating the housing 200 itself.

The direction control module 500 is driven in conjunction with the mounting module 210, the mounting module 210 is provided with a rotating rod 230 below the cradle coupled to the lower portion of the housing 200, the rotating rod ( The stop bar 220 is coupled to the side of 230).

On the other hand, the direction control module 500 is a bobbin 530 configured to vertically rotate by receiving the driving force from the rotation motor 510 through the gearbox 520, and limit switches provided on both sides of the bobbin 530 540 and a stopper 550 coupled to the limit switch 540, wherein the rotating rod 230 is inserted and coupled to the bobbin 530 to vertically rotate together with the bobbin 530, When the stop bar 220 touches the stopper 550 on one side, the driving direction of the rotating motor 510 may be changed by the operation of the limit switch 540, and accordingly, the housing 200 ) Can also be rotated together with the rotating rod 230 so that fine droplets are evenly sprayed within a certain range.

Specifically, the gearbox 520 includes a first pinion gear that transmits the driving force of the rotation motor 510, a rack gear that converts the rotation of the first pinion gear into a linear motion, and a linear motion of the rack gear. It may be configured as a second pinion gear that is converted back into rotational motion and transmitted to the bobbin 530.

The stop bar 220 may be composed of two bars having a predetermined angle, and the rotation angle range of the housing 200 is determined according to the angle between the two bars.

According to the present invention as described above, by spraying the liquid agent in the state of fine droplets, fine dust can be collected in the sprayed fine droplets.

Accordingly, fine dust can be removed without the risk of explosion or fire even in facilities with explosion risk or fire risk or facilities generating flammable gas, and by adjusting the rotational speed of the electric motor 110 and the amount of liquid agent Depending on the situation, it is possible to spray fine droplets having an optimum particle diameter, and uniformly generate the particle size. In addition, since the fine dust is collected and dropped, it is effective to remove odor, and the efficiency of removing fine dust and odor can be further increased by mixing a odor remover or a dust-proof agent with a liquid agent. In general, when spraying by injecting a chemical, the concentration of the chemical is added and the dispersion effect is lowered. However, according to the rotary humidifying spray module 100 according to the present invention, the liquid agent mixed with the chemical is sprayed and sprayed in the state of fine droplets. There is almost no influence by drug mixing.

Normal scattering dust has the best cohesion between particles when the size of the particles is the same within and outside of pm2.5~pm10, so when combined with only particles without adding chemicals, the most ideal particle size of fine droplets is 3-10㎛. The rotary humidification spray module 100 according to the present invention can pulverize droplets sprayed through multi-layer pulverization to less than 10 μm, and can generate a constant droplet size, thereby improving the collecting performance of fine dust. There is.

As described above, an optimal embodiment has been disclosed in the drawings and specification. Although specific terms have been used herein, these are only used for the purpose of describing the present invention and are not used to limit the meaning or the scope of the present invention described in the claims. Therefore, those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical scope of the present invention should be determined by the technical spirit of the appended claims.

100: rotary humidification spray module
110: electric motor 111: rotating shaft
120: first chamber 121: first hollow
122: rear cover
130: first fluid supply pipe
140: blade 141: euro
150: second chamber 151: second hollow
152: grinding screen film 153: front cover
160: first distribution zone 161: through hole
162: flange (first distribution port)
170: second distribution zone 171: screen curtain
172: flange (second distribution port)
180: connector 181: pipe part
182: flange portion
190: bracket plate
200: cylindrical housing
210: mounting module 220: stop bar
230: rotating rod
300: blowing module
400: guide wing
500: direction control module
510: rotation motor 520: gearbox
530: bobbin 540: limit switch
550: stopper

Claims (9)

An electric motor 110 having a rotating shaft 111;
A cylindrical first chamber 120 in which the rotation shaft 111 is disposed to pass through a center and a first hollow 121 is formed;
A first fluid supply pipe 130 for supplying a liquid agent to the first hollow 121;
A plurality of blades 140 disposed and coupled to the outer circumferential surface of the first chamber 120 and having a flow path 141 opened to the outside in communication with the first hollow 121;
In front of the first chamber 120, the rotation shaft 111 is coupled to pass through the center, a second hollow 151 in communication with the first hollow 121 is formed, and an outer circumferential surface of the crushed screen film ( Cylindrical second chamber 150 consisting of 152;
A second fluid supply pipe 160 for supplying a liquid agent to the second hollow 151 through the first hollow 121; And
A bracket plate 190 fixing the piping positions of the first and second fluid supply pipes 130 and 160 behind the first chamber 120; Including,
The first and second chambers 120 and 150 are fastened to rotate together with the rotation shaft 111,
The liquid agent supplied to the first fluid supply pipe 130 is sprayed through the flow path of the blade 140,
A rotary humidification spray module 100 configured to spray the liquid agent supplied to the second fluid supply pipe 160 through the grinding screen film 152 of the second chamber 150.
In claim 1,
The second fluid supply pipe 160 of the second hollow 151 is disposed outside the piping portion, is fastened to rotate with the second chamber 150, and has a plurality of through holes 161 formed in the outer periphery. 1 distribution zone 160; Rotary humidification spray module 100, characterized in that configured to further include.
In paragraph 2,
A second distribution port disposed outside the first distribution port 160 of the second hollow 151, fastened to rotate with the second chamber 150, and provided with a screen film 171 on the outer periphery (170); Rotary humidification spray module 100, characterized in that configured to further include.
In paragraph 3,
In the second chamber 150, a front plate 153 and a rear plate 154 are combined with a single tube member made of a crushing screen film 152,
A connector 180 including a pipe portion 181 surrounding the outer periphery of the rotation shaft and a flange portion 182 formed at a front end of the pipe portion 181; It further includes,
The flange portion 182 of the connector 180 is connected to and fastened to the flanges 162 and 172 respectively formed on the front edge of the first and second distribution ports 160 and 170 and the front plate 153,
A rotary humidification spray module 100, characterized in that the rear plate 154 and the first chamber 120 are fastened.
delete A housing 200 having an inlet and an outlet;
A blowing module 300 installed at the inlet side and configured to introduce external air and transfer it to the outlet; And
The rotary humidification spray module 100 of any one of claims 1 to 4 installed inside the housing 200 so that the second chamber 150 is positioned at the outlet side; It is composed including,
A humidification spray device configured to be discharged to the front by the air transferred by the blowing module 300, the liquid agent in the state of fine droplets sprayed and sprayed from the rotary humidification spray module (100).
In paragraph 6,
Humidification spray apparatus, characterized in that it is configured to further include an induction blade (400) provided inside the air blowing module (300) at the inlet side of the housing (200).
In clause 7,
The induction blade 400,
A plurality of blades are formed in a radial direction along the outer peripheral surface of the cylindrical hub,
The blade is a humidification spray device, characterized in that configured to be inclined at a predetermined blade angle.
In paragraph 6,
A mounting module 210 in which a rotating rod 230 is provided below the cradle coupled to the lower portion of the housing 200 and a stop bar 220 is coupled to the side of the rotating rod 230; And
The bobbin 530 configured to vertically rotate by receiving the driving force from the rotation motor 510 through the gearbox 520, the limit switches 540 provided on both sides of the bobbin 530, and the limit switch 540 Direction control module 500 configured including a stopper 550 coupled to; It is configured to include more,
The rotary rod 230 is inserted and coupled to the bobbin 530 and rotates longitudinally with the bobbin 530, but when the stop bar 220 touches the stopper 550 on one side, the limit switch 540 Humidification spray device, characterized in that configured to change the driving direction of the rotation motor 510 by the operation of.

Images