JP2014175061A - Ion generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent water from entering into a motor 8.SOLUTION: The ion generator has a cylindrical main body 1 formed with a flange in a lower part thereof. The main body 1 is arranged to be embedded in a ceiling; the top surface 6 of the main body 1 has a top board provided to hold a turbo fan and a motor 8 for driving the turbo fan; and the top surface 6 is provided with a water block rib 38 to cover the outer periphery of the motor 8. Thus, the water block rib 38 prevents water from flowing into the motor 8.

Description

  The present invention relates to an ion generator for sterilizing and deodorizing indoor spaces.

  2. Description of the Related Art Conventionally, this type of ion generator is known in which ions generated by negative ion generating means are flowed out on an air flow generated by a fan. (For example, refer to Patent Document 1).

  Hereinafter, the ion generator will be described with reference to FIG.

  As shown in FIG. 10, an ion generator that embeds a main body in a ceiling and generates ions from the ceiling surface. The main body includes a partition plate 102 in a cylindrical main body case 101 and a lower portion of the partition plate 102. A sirocco fan 103 as a blowing means, an electrostatic atomizing means 104 in an opening penetrating the partition plate 102, a grill 107 having a main body inlet 105 and a main outlet 106 at the lower end of the main body case 101, and an upper part of the main body case 101 And a control box 108 containing a control board.

  With the above configuration, a spiral air flow path can be provided in the main body case 102 to create a swirling airflow, and the swirling airflow can be blown out from the main body outlet 107.

JP 2011-253780 A

  Such a conventional ion generator has a problem that water may enter the electric motor.

  Then, this invention solves the said conventional subject, and an object of this invention is to provide the ion generator which can prevent the fear that water may penetrate | invade into an electric motor.

  And in order to achieve this object, the present invention embeds a cylindrical body on the ceiling and has a flange on the lower side, and a turbo fan and an electric motor for rotating the turbo fan on the top surface of the main body, A control circuit case provided with a top plate for holding the electric motor, provided with a grille having a suction port and a blowout port on the lower surface of the main body, and housed in a control circuit is installed above the top plate, Is provided with an electrostatic atomizing means, covered with a control circuit case cover on the upper part thereof, and ions generated by the electrostatic atomizing means pass through a guide provided inside the main body and become air discharged from the outlet. In the mixed ion generator, a water intrusion prevention rib is provided on the top surface so as to cover the outer periphery of the electric motor, thereby achieving the intended purpose.

  According to the present invention, a cylindrical main body having a flange on the lower side is embedded in the ceiling, and a turbo fan, an electric motor for rotating the turbo fan, and a top plate for holding the electric motor are provided on the top surface of the main body. A control circuit case, which is provided with a grille having a suction port and a blowout port on the lower surface of the main body and accommodates a control circuit, is installed above the top plate, and an electrostatic atomizing means is provided inside the control circuit case. In the ion generating apparatus, the ion generated by the electrostatic atomizing means passes through a guide provided inside the main body and is mixed with the air discharged from the outlet. Since the water intrusion prevention ribs are provided on the top surface so as to cover the outer periphery of the motor, the ribs block the flow of water, so that water enters the motor. Le can be prevented, the effect can be obtained as.

Side surface sectional drawing of the state which attached the ion generator of Embodiment 1 of this invention to the ceiling Front sectional view of the ion generator installed on the ceiling Enlarged view showing the structure of the mounting bracket of the ion generator Plan view of the ion generator AA sectional view of the same ion generator shown in FIG. The perspective view which shows the state which removed the grill of the ion generator Sectional drawing which shows the attachment state at the time of attaching to the ceiling of the ion generator The perspective view which showed the structure which provided the water penetration | invasion prevention rib of the ion generator The expanded perspective view which showed the structure which provided the water penetration | invasion prevention rib of the ion generator Exploded perspective view of a conventional ion generator

  The ion generator according to claim 1 of the present invention is embedded in a main body having a cylindrical shape on the ceiling and having a flange on the lower side, and a turbo fan, an electric motor for rotating the turbo fan, A control circuit case provided with a top plate for holding an electric motor, and provided with a grille having a suction port and a blowout port on the lower surface of the main body, and accommodated in a control circuit, is installed above the top plate, and inside the control circuit case Is provided with electrostatic atomizing means, which is covered with a control circuit case cover, and ions generated by the electrostatic atomizing means are mixed with the air discharged from the outlet through a guide provided in the main body. In the ion generating apparatus, the water intrusion prevention rib is provided on the top surface so as to cover the outer periphery of the electric motor.

  Thereby, since the flow of water is blocked by the rib, there is an effect that it is possible to prevent the risk of water entering the electric motor.

  Further, a plurality of ribs may be provided on the top surface, and the ribs may be lower than the water intrusion prevention ribs.

  Thereby, since water gets over the rib before the water gets over the water intrusion prevention rib, there is an effect that water can be prevented from entering the electric motor.

  Moreover, you may make it the structure that the part by the side of the electric motor of a rib was made low.

  Thereby, since water flows to the electric motor side and gets over the rib, there is an effect that water can be further prevented from entering the electric motor.

  Further, the top surface may be inclined downward toward the outer peripheral side of the main body.

  Thereby, since water will flow to an outer peripheral side along an inclination, there exists an effect that the penetration | invasion of the water to an electric motor can be prevented more.

  Moreover, you may make it the structure that the relief hole was provided in the outer peripheral side of the top | upper surface.

  Thereby, since water will flow to the escape hole along the inclination of the top surface, there is an effect that the water can be discharged to the outside of the main body.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIGS. 1-9, the main body 1 is embedded in the ceiling 100 and the ion generator which generates ion from the ceiling 100 is concerned, As shown in FIG. 1, the main body 1 has a cylindrical shape. A flange 5 is provided below, a grill 5 having a suction port 3 and a blow-out port 4 is provided below the flange 2, and a top surface 6 of the main body 1 is provided with a turbo fan 7 serving as a centrifugal blower. An electric motor 8 that rotates the turbo fan 7 is provided. A top plate 9 that holds the electric motor 8 is provided on the top surface 6, and a turbo fan 7 that connects the electric motor 8 is incorporated below the top plate 9. Yes.

  The electric motor 8 may be either direct current (DC) or alternating current (AC).

  In addition, the air passage structure sucks indoor air from the entire circumference of the suction port 3, is sucked into the turbo fan 7 through the cylindrical path 11 a through the orifice 10, and is blown out to the entire circumference of the turbo fan 7. It passes through a cylindrical path 11b on the outside and is discharged from the entire circumference of the outlet 4 of the grill 5 into the room.

  Further, as shown in FIG. 2, an electric atomizer 12a for generating ions with the electric motor 8 and a control circuit 13 for controlling the electrostatic atomizer 12b (see FIG. 1) are provided above the top plate 9. And the control circuit case 14 is covered with a control circuit case cover 15.

  Further, in order to fix the main body 1 to the ceiling 100, as shown in FIG. 3, a mounting bracket 16 is provided on the side surface of the main body 1, and the mounting bracket 16 includes two components, a plate-shaped fixing bracket 17 and a root bracket 18. The root metal fitting 18 can be rotated so that the surface of the ceiling 100 and the base metal fitting 18 are parallel to each other around the contact surface in contact with the fixed metal fitting 17. A fixing nut 22 is provided at the front end of the metal threading screw 21 that passes through the hole 20 in the advancing direction.

  By rotating the bracket-dedicated screw 21, the fixing nut 22 whose movement in the rotational direction is restricted is moved up and down by the U-shaped wall 23 having a concave shape on the ceiling 100 side provided on the side surface of the main body 1. The metal fitting 16 is moved downward, and the main body 1 is fixed to the ceiling 100 by sandwiching the ceiling 100 between the flange 2 and the attachment metal fitting 16 (see FIG. 2).

  Here, in this product, the mounting bracket 16 has two structures on the left and right sides, that is, the side surfaces of the main body 1, but the number is not limited to this.

  Moreover, as shown in FIG. 4, it is also possible to attach to the ceiling 100 by inserting a screw into an attachment hole 24 provided in the flange 2 and tightening it.

  The mounting hole 24 has a structure in which the mounting hole 24 is closed in order to prevent air leakage during normal use. However, since the mounting hole 24 is closed with a thin wall, when the screw is inserted into the mounting hole 24, the mounting hole 24 is easily inserted. Can do.

  Further, as shown in FIG. 5, the ions generated by the electrostatic atomizing means 12a and the electrostatic atomizing means 12b pass through the guide 25a and the guide 25b provided inside the main body 1, and the ion discharge port 26a and the ion discharge. This structure is discharged from the outlet 26b, and is mixed with the air blown out by the turbofan 7 and discharged into the room.

  Note that the air discharged from the turbofan 7 causes the ion discharge port 26a and the ion discharge port 26b to have a negative pressure, and the ions generated by the electrostatic atomizing unit 12a and the electrostatic atomizing unit 12b pass through the guide 25a and the guide 25b. Since the ions are pulled to the ion discharge port 26a and the ion discharge port 26b, there is no possibility that the generated ions will flow backward, and dust and foreign matter pass through the guide 25a and the guide 25b and the electrostatic atomizing means 12a and the electrostatic discharge The structure has no risk of entering the atomizing means 12b.

  Further, as shown in FIG. 6, the orifice 10 is attached by rotating in the arrow direction 27 along the inside of the flange 2, positioned by a rotation restricting rib 28 provided in the inside of the flange 2, and the orifice fixing screw 29. It is a structure fixed to a regular position by.

  In addition, the orifice 10 has a switch control circuit 30 (see FIG. 1), is provided with an operation changeover switch 31 that can switch between operation and stop of the main body 1 and is lit when the main body 1 operates. A lamp 32 (see FIG. 1) is provided, and a dimming switch 33 for adjusting the light intensity of the operation lamp 32 is provided, which is covered with a protective cover 34 and is brought into a normal position by an orifice fixing screw 29. The structure is fixed.

  Further, an intrusion prevention rib 35 is provided above the protective cover 34 to prevent the finger from accidentally coming into contact with the turbo fan 7 when, for example, the operation switch 31 or the dimmer switch 33 is operated with the finger. In this structure, dust and foreign matter that have entered through the suction port 3 are prevented from entering the switch control circuit 30 (see FIG. 1) through the gap between the operation switch 31 or the dimming switch 33.

  Further, as shown in FIG. 1, a light tube 36 through which the light of the driving operation lamp 32 passes is provided below the protective cover 34, and the light of the driving operation lamp 32 is transmitted to the grill 5 so It is emerging.

  In addition, since the surface of the grill 5 through which the light of the driving operation lamp 32 passes is provided with a circular recess 37 as an example, the surface of the grill 5 on the driving operation lamp 32 becomes thin. The light transmittance of the operation lamp 32 is increased, and the lamp is more clearly highlighted. For a user who feels bright, the light intensity can be adjusted using the dimming switch 33.

  In the above configuration, as shown in FIG. 7, the control circuit case 14 and the control circuit case cover 15 are each rectangular and have a size smaller than the diameter value of the cylindrical main body 1, and in the longitudinal direction. Since the main body 1 is arranged close to one side from the center, the control circuit case 14 and the control circuit case cover 15 can be easily inserted by inserting the main body 1 obliquely into the round hole of the ceiling 100. can do.

  Further, as shown in FIG. 8, a water intrusion prevention rib 38 is provided on the top surface 6 so as to cover the outer periphery of the electric motor 8.

  As a result, when water enters the top surface 6 and flows toward the electric motor 8, the water intrusion prevention ribs 38 having such a height that the water cannot enter the water block the water flow, so that the water enters the electric motor 8. Can prevent fear.

  Moreover, since the resin of the top surface 6 is deformed in manufacturing, it is necessary to provide the rib 39 on the top surface 6 as a countermeasure against the deformation. At this time, a plurality of ribs 39 are provided on the top surface 6 and the rib 39 39 may be configured to be lower than the water intrusion prevention rib 38.

  In this embodiment, eight are provided on the radiation, and there is no deformation of the resin.

  As a result, when water enters the top surface 6 and flows toward the electric motor 8, the water gets over the rib 39 before getting over the water intrusion prevention rib 38. Can be prevented.

  Furthermore, as shown in FIG. 9, if water enters the top surface 6 vigorously and flows toward the electric motor 8, or if the water 39 gets over the rib 39 and at the same time gets over the water intrusion prevention rib 38. Even when water flows, by further lowering the portion 40 on the motor 8 side of the rib 39 provided on the top surface 6, all the water that has entered over the portion 40 of the rib 39 flows in that direction. Water does not get over the water intrusion prevention rib 38, and water can be prevented from entering the electric motor 8.

  Moreover, as shown in FIG. 8, you may make it the structure which provided the inclination 41 downward toward the outer peripheral side of the main body 1 in the top | upper surface 6. FIG.

  As a result, the invading water flows along the slope 41 toward the outer peripheral side of the main body 1, so that it is possible to prevent water from entering the electric motor 8 without reaching the water intrusion prevention rib 38.

  Further, by providing the escape hole 42 on the outer peripheral side of the top surface 6, water flowing along the slope 41 provided on the top surface 6 is discharged outside from the escape hole 42, so that the water is removed from the main body. 1 can be discharged to the outside.

  In the specification of this product, two escape holes 42 are provided, but the number is not limited to this, and one or a plurality of relief holes 42 may be provided.

  Further, by providing the escape hole 42 at the tip on the outer peripheral side of the rib 39, the water flows downward along the rib and is discharged to the outside from the escape hole 42. Can be discharged.

  The ion generating apparatus according to the present invention is attached to the ceiling and enables ion supply in a wide range, and is therefore useful for supplying the living space with the effects and effects that can be brought about by ions. It is also useful in non-residential spaces such as bathrooms, toilets, or warehouses.

DESCRIPTION OF SYMBOLS 1 Main body 2 Flange 3 Intake port 4 Outlet 5 Grill 6 Top surface 7 Turbofan 8 Electric motor 9 Top plate 10 Orifice 11a Path | route 11b Path | route 12a Electrostatic atomization means 12b Electrostatic atomization means 13 Control circuit 14 Control circuit case 15 Control Circuit case cover 16 Mounting bracket 17 Fixing bracket 18 Root bracket 19 Hole 20 Long hole 21 Dedicated screw 22 Fixing nut 23 Wall 24 Mounting hole 25a Guide 25b Guide 26a Ion outlet 26b Ion outlet 27 Arrow direction 28 Rotation restriction rib 29 Orifice Fixing screw 30 Switch control circuit 31 Operation changeover switch 32 Operation lamp 33 Dimming switch 34 Protective cover 35 Intrusion prevention rib 36 Light tube 37 Recess 38 Water invasion prevention rib 39 Rib 40 Part 41 Inclination 42 Relief hole 100 Ceiling

Claims (5)

A main body having a cylindrical shape and a flange at the bottom is embedded in the ceiling, and a top surface of the main body is provided with a turbo fan, a motor for rotating the turbo fan, and a top plate for holding the motor. The control circuit case, which includes a grille having a suction port and a blowout port, and houses a control circuit, is installed above the top plate, and has an electrostatic atomizing means inside the control circuit case, and is controlled above it. In the ion generator, the ions generated by the electrostatic atomizer and covered with a circuit case cover pass through a guide provided inside the main body and are mixed with the air discharged from the outlet. An ion generator characterized in that a water intrusion prevention rib is provided so as to cover the outer periphery of the ion generator. The ion generator according to claim 1, wherein a plurality of ribs are provided on the top surface, and the ribs are lower than the water intrusion prevention ribs. The ion generator according to claim 2, wherein a part of the rib on the motor side is lowered. The ion generator according to claim 1, wherein the top surface is inclined downward toward the outer peripheral side of the main body. The ion generator according to claim 4, wherein a relief hole is provided on an outer peripheral side of the top surface.

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