JPH10267373A - Insect controller for ventilation fan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate inspection and cleaning while preventing decrease of air flow rate and increase of noise by providing adapters for connecting duct removably on the suction side and the delivery side of a fan body suspended with bolts in the ceiling and fixing an insect control filter unit provided with a drawable insect net thereto. SOLUTION: Adapters 6 for connecting duct are provided removably on the suction side and the delivery side of a box type fan body 5 incorporating a fan motor 4 and an insect control filter unit 9 provided with a drawable insect net 7 at an insect net draw-out port 8 is fixed to the adapter 6 and secured to the fan body 5 by means of a fixing metal 10. The fan body 5 is suspended with suspension bolts 12 in the ceiling 11 and an inspection port provided with a cover is made through the ceiling so that the fan body 5 and the insect net 7 provided for the insect control filter unit 9 can be drawn out and inspected. Insects and dust intruding into a delivery side duct 16 from the outdoor during operation of the fan motor 4 are caught by the insect net 7 and removed and prevented from intruding into a room.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insect repellent for a ventilating fan, which is provided in a ceiling space above a ceiling and is used for a ventilating fan for discharging contaminated air in a room to the outside to prevent insects from entering from outside. Related to the device.

[0002]

2. Description of the Related Art Hitherto, an insect repelling device of this type for a ventilation fan has been known as shown in FIGS. Hereinafter, the configuration will be described with reference to FIGS. 7 and 8.

[0003] As shown in the figure, a fan main body 105 provided with a fan motor 104 formed by surrounding an impeller 102 driven by a motor 101 with a casing 103 is hung above a ceiling 107 by means of hanging bolts 106. A suction side duct 109 communicating with the room 108 is connected to the suction side of the main body 105 via an adapter 110, and a discharge side duct 11 communicating with the outside 111 is connected to the discharge side.
2 through the adapter 113, and the discharge side duct 1
A discharge hood 115 with an insect net is provided on the outside of the room 12 so as to prevent insects from entering from outside 111 when the operation of the fan motor 104 is stopped. Reference numeral 116 denotes a ceiling.

When a silencer is provided, as shown in FIG. 9, a silencer 117 is attached to the suction side and the discharge side of the blower main body 105 by a mounting bracket 116, and an adapter 110 is attached to an end of the silencer 117.
And an adapter 113, a suction side duct 109 communicating with the room 108 and a discharge side duct 112 communicating with the outside 111, and a discharge hood 115 with a insect net provided on the outside of the discharge side duct 112. To prevent insects from entering from outside.

[0005]

In such a conventional insect repellent device for a ventilation blower, the insect repellent net 114 is provided on the outdoor side in any case including the case where the silencer 117 is provided.
The insect repellent net 114 cannot be clogged with insects or dust on the high floors of a high-rise building or the like, and because it is installed outdoors, there is a problem that rust and corrosion are likely to occur. .

[0006] In addition, there is a problem that cleaning is difficult on a high floor or the like, and there is a risk that the cleaning is performed.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. Inspection and cleaning can be easily performed, a reduction in air flow and an increase in noise can be prevented, and an insect repellent filter can be installed in a place where inspection is easy. It is an object of the present invention to provide an insect repellent device for a ventilation blower in which a unit can be provided, and which can save space, compactness, and construction.

[0008]

In order to achieve the above object, the insect repellent device for a ventilation blower according to the present invention has a box-shaped blower body having a fan motor inside and installed with hanging bolts above the ceiling. An adapter for duct connection detachably provided on the suction side and the discharge side of the blower body, an insect repellent net which can be pulled out, and an insect repellent filter unit formed so that the adapter can be attached, and the insect repellent filter unit, And a mounting bracket attached to the blower main body, the insect repellent filter unit is provided on the discharge side of the blower main body, and the adapter is mounted.

According to the present invention, an insect repellent device for a ventilation fan which can be easily inspected and cleaned and which is free from rust and corrosion can be obtained.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention has a box-shaped blower main body having a fan motor inside and installed by hanging bolts above the ceiling, and is detachably provided on a suction side and a discharge side of the blower main body. An adapter for connecting a duct, an insect repellent net that can be pulled out, and an insect repellent filter unit formed so that the adapter can be attached thereto; and a mounting bracket for attaching the insect repellent filter unit to the blower main body, and a discharge side of the blower main body. The insect repellent filter unit is provided in the insect ventilating device of the ventilation blower configured to attach the adapter, and the insect repellent net can be pulled out from the inspection opening provided on the ceiling and can be inspected, so that the inspection and cleaning of the insect repellent net can be performed. Easy to do,
Since the insect repellent net is not exposed to the outdoors, it has an effect of eliminating rust and corrosion.

An embodiment of the present invention will be described below with reference to the drawings.

[0012]

【Example】

(Embodiment 1) As shown in FIGS. 1 and 2, a box-shaped blower main body 5 having a fan motor 4 formed by surrounding an impeller 2 driven by a motor 1 with a casing 3 is formed therein, A duct connection adapter 6 is detachably provided on the suction side and the discharge side of the blower body 5, and a handle 7 is provided.
An insect repelling filter unit 9 is formed so that the insect repelling net 7 having a can be pulled out from the insect repelling net outlet 8 so that the adapter 6 can be attached thereto. In a state in which the adapter 6 is attached to the insect filter unit 9, the blower main body 5 is hung by a hanging bolt 12 above the ceiling 11, and the suction side duct 14 communicating with the room 13 is provided on the suction side of the blower main body 5. And an outlet duct 16 communicating with the outdoor unit 15 is connected to an adapter 6 provided on the discharge side of the blower main body 5 via an insect repellent filter unit 9, and the ceiling 17 is connected to the blower main body 5 and the insect repellent filter unit 9. An inspection port 19 provided with an openable / closable lid 18 from which the provided insect repellent net 7 can be pulled out for inspection is provided.

In the above configuration, when the fan motor 4 is operated, the contaminated air in the room 13 is removed by the suction side duct 1.
The air is sucked into the blower main body 5 through the outlet 4 and discharged to the outdoor 15 through the discharge-side duct 16.

When the operation of the fan motor 4 is stopped, insects, dust, and the like that have entered the discharge side duct 16 from the outdoor 15 are removed from the insect repelling net 7 provided on the insect repelling filter unit 9.
, And are prevented from entering the room 13 by being removed.

When the inspection of the insect repellent net 7 is necessary, the cover 18 of the inspection port 19 provided on the ceiling 17 is opened, and the insect repellent net 7 is pulled out from the insect repellent net outlet 8 of the insect repellent filter unit 9 and removed. After the inspection and cleaning, the insect repelling net 7 is stored in the insect repelling filter unit 9.

As described above, the insect repellent device of the ventilation blower according to the first embodiment of the present invention is provided with the insect repellent filter unit 9 having the insect repellent net 7 provided on the discharge side of the blower main body 5 so as to be freely drawn out.
Since the insect repellent net 7 can be removed from the inspection port 19 provided on the ceiling 17, inspection of the insect repellent net 7 is easy, and there is no need to request a specialized trader. .

Further, since it is installed inside the ceiling floor 11, there is no fear of rust and corrosion, and the insect repellent filter unit 9 can be retrofitted.

(Embodiment 2) As shown in FIG. 3, the insect filter unit 9A is attached to the suction side of the blower main body 5 by a mounting bracket 10, the adapter 6 on the suction side is attached to the insect filter unit 9A, and the suction duct 14 is attached. Connected.

In the above configuration, when the fan motor 4 is operated, the contaminated air in the room 13 is removed by the suction duct 14.
Through the insect filter unit 9A, into the blower main body 5 and through the discharge duct 16 to the outside 15 of the room.

When the operation of the fan motor 4 is stopped, insects, dust, etc., which have entered the blower body 5 from the outside 15 via the discharge side duct 16 adhere to the insect net 7 provided in the insect filter unit 9A, are removed, and are removed. 13 is prevented.

A grease filter (not shown) is provided instead of the insect net 7 provided in the insect filter unit 9A.
When the fan motor 4 is operated, the indoor 1
Even if the air sucked from 3 contains oil, the oil is removed by the grease filter and discharged to the outdoor 15 in a state where the oil is prevented from entering the blower main body 5, and the operation of the fan motor 4 is stopped. At times, it serves to prevent insects and dust from entering the room 13.

As described above, according to the insect repellent device of the ventilation fan according to the second embodiment of the present invention, since the insect repellent filter unit 9A is disposed on the suction side of the fan main body 5, the discharge resistance is eliminated, and the air volume is reduced and the noise is increased. Can be alleviated.

By using a grease filter instead of the insect repellent net 7, it can be used in a kitchen where oil is generated, and the installation range of the ventilation blower can be expanded.

(Embodiment 3) As shown in FIG. 4A, a silencer 2 provided on a suction side and a discharge side formed in a shape connected to a blower main body 5 by a mounting bracket 10A.
0 so that the adapter 6 can be connected thereto, the insect filter unit 9B is sandwiched between the discharge side of the blower body 5 and the silencer 20 provided on the discharge side, and the mounting bracket 10A is attached to the blower body 5 and the insect filter unit 9B and the silencer 20. Join.

As shown in FIG. 4 (b), when the insect repellent filter unit 9B is disposed on the suction side of the blower main unit 5, the insect repellent filter unit 9B is connected to the blower main unit 5.
Mounting bracket 1 sandwiched between the intake side and the intake side silencer 20
OA is attached to the blower main body 5, the insect-proof filter unit 9B and the silencer 20, and the three members are connected.

As shown in FIG. 4C, a silencer 20 is mounted on the discharge side and the suction side of the
0A, the insect-proof filter unit 9B is attached to the discharge-side silencer 20 with the mounting bracket 10A, and the discharge-side adapter 6 is attached to the insect-proof filter unit 9B.

Further, as shown in FIG. 4D, an insect-proof filter unit 9B is attached to a silencer 20 provided on the suction side of the blower main body 5 with a mounting bracket 10A, and an adapter 6 on the suction side is attached.

In the above configuration, insects and dust that are going to enter the room from the outside are removed by the insect repelling filter unit 9B by the action described in the first and second embodiments, and the entry into the room is prevented.

The noise generated by the blower main body 5 is alleviated from being transmitted indoors and outdoors by the silencers 20 provided on the suction side and the discharge side of the blower main body 5.

As described above, according to the insect-control apparatus of the ventilation fan according to the third embodiment of the present invention, the fitting 10A for connecting the fan body 5 to the insect filter unit 9B and the silencer 20 is directly connected to the fan body 5 and the silencer 20. This can also be used when the insect repellent filter unit 9B is connected to the silencer 20, so that the number of parts can be reduced.

The insect filter unit 9B can be attached to any location of the blower main body 5 and the silencer 20, so that the insect filter unit can be easily inspected regardless of the position of the inspection port on the ceiling. 9B can be provided.

(Embodiment 4) As shown in FIGS. 5 and 6, an insect repelling net outlet 8A is formed on the side of the adapter 6A so that the insect repelling net 7A can be freely pulled out.
A is circular, and when attached to the insect net outlet 8A, forms a handle 7b made of a semicircular piece shaped to cover the insect net outlet 8A.

In the above configuration, the insect-repelling net 7A is attached by attaching the adapter 6A to the blower main body 5, and insects and dust that are going to enter the room 13 from the outdoor 15 are removed by the insect-repelling net 7A and enter the room 13. Can be prevented.

As described above, according to the insect-control apparatus of the ventilation blower according to the fourth embodiment of the present invention, since the insect-control net 7A is provided on the adapter 6A, no additional space is required for providing the insect-control net 7A, and the space is saved. In addition to being compact, it can be compact and can save construction.

[0035]

As is clear from the above embodiments, according to the present invention, the insect net can be easily inspected and can be cleaned by ordinary people without the need of requesting a specialist, and the cleaning cost is unnecessary. In addition, there is no need to worry about rust and corrosion, and an insect repelling filter unit can be retrofitted.

In addition, the discharge resistance is eliminated, the reduction in air volume and the increase in noise can be mitigated, and the use of a grease filter enables the use in a kitchen where oil is generated, thereby expanding the installation range of the ventilation blower. The insect repellent device of the ventilation blower which can be provided.

Further, since the mounting bracket can be used in common, the number of parts can be reduced, and the insect repellent filter unit can be disposed at the place where inspection is most easy regardless of the position of the ceiling inspection port. An insect repellent device for a ventilation blower can be provided.

In addition, since an insect repellent net is provided on the adapter,
It is possible to provide an insect repellent device for a ventilation blower, which does not require a separate space for providing an insect repellent net, saves space, is compact, and can be implemented with reduced construction.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating an installation state of a ventilation blower provided with an insect repellent device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of the insect repellent apparatus and a configuration of a ventilation blower.

FIG. 3 is a cross-sectional view illustrating an installation state of a ventilation blower provided with an insect repellent device according to a second embodiment of the present invention.

FIG. 4 (a) is a side view showing a state in which an insect repellent device according to Embodiment 3 of the present invention is provided between a discharge side of a blower main body and a silencer. (B) The insect repellent device is connected to a silencer on a suction side of a blower main body. (C) Side view showing a state where the insect repellent device is provided on the discharge side of a silencer connected to the blower main body. (D) Side view showing a state where the insect repellent device is connected to the blower main body. Side view showing the state provided on the suction side

FIG. 5 is a cross-sectional view showing an installation state of a ventilation blower in which an insect repellent device of Embodiment 4 of the present invention is provided on an adapter.

FIG. 6 is an enlarged perspective view showing the configuration of the insect repellent device.

FIG. 7 is a cross-sectional view showing an installation state of a ventilation blower provided with a conventional insect repellent device.

FIG. 8 is a perspective view showing an internal configuration of the ventilation blower.

FIG. 9 is a sectional view showing an installation state of a ventilation blower with a silencer provided with the insect repellent device.

[Explanation of symbols]

 Reference Signs List 4 fan motor 5 blower body 6 adapter 6A adapter 7 insect repellent net 7A insect repellent net 9 insect repellent filter unit 9A insect repellent filter unit 9B insect repellent filter unit 10 mounting bracket 10A mounting bracket 11 ceiling ceiling 12 suspension bolt 20 silencer

Claims (5)

[Claims] 1. A box-shaped blower body having a fan motor inside and installed by hanging bolts behind a ceiling, and a duct connection adapter detachably provided on a suction side and a discharge side of the blower body. An insect repellent filter unit formed with an insect repellent net that can be pulled out and formed so that the adapter can be attached thereto, and a mounting bracket for attaching the insect repellent filter unit to the blower body.
An insect repellent device for a ventilation fan, wherein the insect repellent filter unit is provided on a discharge side of the blower main body, and the adapter is attached thereto. 2. An insect repellent device for a ventilation blower according to claim 1, wherein an insect repellent filter unit provided with an insect repellent net or a grease filter is disposed on a suction side of the blower main body. 3. A configuration in which a silencer connected to a blower main body is provided, an insect repellent filter unit is disposed between the blower main body and the silencer, and the insect repellent filter unit is attached by a mounting bracket attached to the blower main body and the silencer. Claim 1 or 2
An insect repellent device for the ventilation blower according to the above. 4. The insect repellent for a ventilation fan according to claim 1, wherein a silencer is provided on a suction side and a discharge side of the blower main body, a fitting is provided on a suction side or a discharge side of the silencer, and an insect repellent filter unit is attached. apparatus. 5. The insect repellent device for a ventilation blower according to claim 1, wherein the insect repellent net is provided on the adapter so as to be freely drawn out.