JP4968239B2 - Equipment - Google Patents

Description

  The present invention relates to equipment installed on a ceiling in a room such as a bathroom.

  Conventionally, a ventilator installed on the ceiling of a building does not have a heat source and is therefore covered with a resin case. On the other hand, bathroom ventilation dryers installed on the ceiling of a bathroom have a heater as a heat source and are covered with a metal case (see, for example, Patent Document 1). Thereby, it can respond to the heat from the inside of an apparatus.

JP 2004-162950 A

  Conventional bathroom ventilation / drying heaters cope with external influences due to heat from inside the machine. On the other hand, there is a problem of dealing with heat from the outside.

In order to solve the above-described problems, the present invention has a flange portion that closes the opening on the outer periphery of the resin-made main body chassis that is inserted into the opening formed in the opening formed in the ceiling panel of the bathroom. The main body part, a metal case that exposes the flange part to cover the main body part, and at least the inner peripheral side of the flange part including the position where the lower end part of the metal case covering the main body part contacts the upper surface of the flange part the predetermined range covering the entire circumference, and a heat insulating member made of a metal foil, between the heat insulating member covering the upper surface of the lower end portion and the flange portion of the metal case, the main body portion of the interior of the metal case, the outside It is an equipment that is configured not to form a gap that is directly exposed to heat from the flame, and a flame retardant moisture-proof member is arranged over the entire circumference of the flange portion on the upper surface of the heat insulating member. Department Across the member and moisture barrier member is an equipment which is fixed to the ceiling panel fastening means.

  In the equipment of the present invention, the main body covered with a metal case is placed in the opening formed at the installation location, and the opening of the installation location is blocked by the flange portion of the main body, and is fixed to the installation location. .

  The heat from the outside to the equipment is received by the metal case that covers the main unit and the heat insulating member on the upper surface of the flange unit, so that heat is not transmitted directly to the main unit, and the heat is circulated from the opening at the installation site. Do not.

  According to the equipment of this invention, it can respond to the heat from the outside.

  Hereinafter, with reference to the drawings, a description will be given of a bathroom ventilation drying and heating machine as an example of an air conditioner as an embodiment of the equipment of the present invention.

<Configuration Example of Bathroom Ventilation Dryer / Heater of First Embodiment>
FIG. 1 is a cross-sectional view showing an example of a bathroom ventilation / drying heater according to the first embodiment, FIG. 2 is a cross-sectional view of a main part showing an example of the bathroom ventilation / drying heater according to the first embodiment, and FIG. These are top views which show an example of the bathroom ventilation drying heater of 1st Embodiment.

  1 A of bathroom ventilation drying heaters of 1st Embodiment are provided with the incombustible case 3 which covers the main-body part 2 and the main-body part 2. FIG. The main body 2 includes a fan 20F that is rotationally driven by a fan motor 20M, a heater 20H, and a main body chassis 21 that forms a fan case.

  As for the main-body part 2, the lower side along the axial direction of the fan 20F opens, and the suction inlet 22a is formed. The main body 2 has an air outlet 22b formed on the lower side along the air blowing direction of the fan 20F, and an exhaust port 22c formed on a side surface along the air blowing direction of the fan 20F.

  Furthermore, the main body 2 includes an air path switching damper 23 that switches the air path between the air outlet 22b and the exhaust port 22c. The air path switching damper 23 receives a driving force of a damper motor (not shown), and opens and closes the air outlet 22b and the air outlet 22c.

  In the bathroom ventilation dryer 1A, when the position of the air path switching damper 23 is set to a circulation position in which the exhaust port 22c is closed as shown by a solid line in FIG. A continuous circulation air passage is formed.

  Further, in the bathroom ventilation drying / heating machine 1A, when the position of the air passage switching damper 23 is set to a ventilation position where the air outlet 22b is closed as shown by a one-dot chain line in FIG. 1, the air outlet 22c opens and the air is discharged from the air inlet 22a. A ventilation air passage communicating with the opening 22c is formed.

  Further, in the bathroom ventilation dryer 1A, when the position of the air path switching damper 23 is a circulation ventilation position between a circulation position and a ventilation position indicated by a two-dot chain line in FIG. 1, both the outlet 22b and the exhaust outlet 22c are provided. Opens to form both a circulation air passage and a ventilation air passage.

  As the heater 20H, for example, a PTC heater is provided at the air outlet 22b. When the air path switching damper 23 is set to the circulation position or the circulation ventilation position, the fan motor 20M is driven to rotate the fan 20F, and when the heater 20H is energized, the heater 20H is heated and the air passing through the outlet 22b is heated. Is warmed, and warm air is blown out from the air outlet 22b.

  In addition, as the main-body part 2 of 1 A of bathroom ventilation drying heaters, the structure etc. with which the circulation fan and the ventilation fan were provided separately, and the circulation air path and the ventilation air path became independent may be sufficient.

  The main body chassis 21 includes a fan case portion 21a in which a space to which the fan motor 20M, the fan 20F, the heater 20H, and the like are attached is formed, and a flange portion 24 that protrudes outward from the lower periphery of the fan case portion 21a.

  The main body chassis 21 is made of a flame retardant resin material, in this example, an ABS resin [acrylonitrile, butadiene (Butadiene), styrene (Styrene) copolymer synthetic resin] in this example, and a fan case portion 21a. Are integrally formed so as to protrude from the upper surface on the inner peripheral side of the flange portion 24.

  The flange portion 24 is formed with a hole portion 24H into which a screw 101 as a fastening means for attaching the bathroom ventilation dryer 1A to the ceiling panel 100 is inserted. The hole 24H opens with a diameter larger than the diameter of the shaft 101a of the screw 101 and smaller than the diameter of the head 101b.

  The main body chassis 21 includes a fixing protrusion 25 to which the incombustible case 3 is fixed. The fixing protrusion 25 is integrally provided on the upper part and the side part of the fan case part 21a, and a hole part 25H to which the screw 26 is fastened is formed.

  The main body chassis 21 includes an aluminum tape 27 disposed on the upper surface of the flange portion 24. The aluminum tape 27 is an example of a heat insulating member made of a metal foil. In this example, the aluminum tape 27 is configured by applying an adhesive to the back surface of a non-ferrous metal aluminum foil.

  The aluminum tape 27 is within a predetermined range along the inner peripheral side of the upper surface of the flange portion 24 exposed to the opening 102 when the bathroom ventilation dryer 1A is attached to the opening 102 formed in the ceiling panel 100. , Pasted all around. In addition, the aluminum tape 27 is good also as a structure which affixes the whole upper surface of the flange part 24, exposing the hole 24H in which the screw | thread 101 for attaching the bathroom ventilation drying heater 1A to the ceiling panel 100 is exposed.

  The main body chassis 21 includes a packing 27 a on the upper surface of the aluminum tape 27. The packing 27a is an example of a moisture-proof member, and is composed of, for example, a flame retardant sponge. The packing 27 a is affixed to the entire top surface of the aluminum tape 27 and is disposed on the entire circumference of the flange portion 24. The aluminum tape 27 and the packing 27a may be integrated.

  The incombustible case 3 is an example of a metal case, and a substantially rectangular parallelepiped structure that is covered with the main body chassis 21 that constitutes the main body 2 and has an open bottom surface is formed of a metal plate material. When the incombustible case 3 is put on the main body chassis 21, the lower end 30 </ b> U contacts the upper surface on the inner peripheral side of the flange portion 24 to expose the flange portion 24, and the fan case portion 21 a on the upper side of the flange portion 24. It has a shape that covers the entire side and upper part.

  The incombustible case 3 is formed with an opening corresponding to the exhaust port 22c. Further, the non-combustible case 3 is formed with a hole 30 </ b> H according to the fixing protrusion 25 of the main body chassis 21. The hole 30H opens with a diameter larger than the diameter of the shaft portion of the screw 26 fastened to the fixing protrusion 25 and smaller than the diameter of the head.

  In the bathroom ventilation / drying heater 1 </ b> A, the main body 2 is covered with the non-combustible case 3, and the screw 26 inserted into the hole 30 </ b> H of the non-combustible case 3 is fastened to the fixing protrusion 25 of the main body chassis 21.

  When the non-combustible case 3 is put on the main body 2 and fixed with screws 26, the lower end 30 </ b> U of the non-combustible case 3 that covers the fan case 21 a of the main body chassis 21 contacts the upper surface of the flange portion 24.

  An aluminum tape 27 is attached to the upper surface of the flange portion 24 including a position where the lower end portion 30U of the incombustible case 3 contacts, and the lower end portion 30U of the incombustible case 3 and the aluminum tape 27 on the upper surface of the flange portion 24 are attached. In the middle, the main body chassis 21 inside the incombustible case 3 is configured not to form a gap that is directly exposed to heat from the outside.

  In the bathroom ventilation dryer 1A, a duct joint 4 connected to the exhaust port 22c is attached to one side surface of the incombustible case 3. The duct joint 4 is made of a metal plate material.

  A front panel 5 is attached to the lower part of the main body 2 of the bathroom ventilation dryer 1A. The front panel 5 has an inlet grill 50a formed in accordance with the position of the inlet 22a, and an outlet grill 50b formed in accordance with the position of the outlet 22b.

  The installation example of the bathroom ventilation / drying heater 1A will be described. The bathroom ventilation / drying / heating apparatus 1A is configured such that the main body 2 covered with the non-combustible case 3 is placed in the ceiling from the opening 102 formed in the ceiling panel 100 of the bathroom. It is done. In the ceiling panel 100, the mounting bracket 103 is installed, and the screw 101 inserted into the hole 24 </ b> H of the flange portion 24 of the main body chassis 21 holds the ceiling panel 100 between the flange portion 24 and the mounting bracket 103. And fastened to the mounting bracket 103.

  Thus, the ceiling panel 100 is sandwiched between the flange portion 24 of the bathroom ventilation dryer 1A and the mounting bracket 103, and the bathroom ventilation dryer 1A is attached to the ceiling panel 100. In the bathroom ventilation dryer 1 </ b> A attached to the ceiling panel 100, the front panel 5 is attached to the lower part of the main body 2.

  An aluminum tape 27 is attached to the upper surface of the flange portion 24 attached to the ceiling panel 100. However, since the aluminum tape 27 is thin, it affects the mounting height of the main body 2 with respect to the ceiling panel 100. There is nothing.

  The operation of the bathroom ventilation / drying / heating machine 1A will be described. The bathroom ventilation / drying / heating machine 1A is configured such that when the fan motor 20M is driven and the fan 20F is driven to rotate, the suction port 22a is connected via the suction grille 50a of the front panel 5. The air in the bathroom is sucked from.

  When the position of the air path switching damper 23 is the circulation position indicated by the solid line in FIG. 1, a circulation air path from the suction port 22a to the blowout port 22b is formed, so that the air sucked from the suction port 22a The air is blown out from the air outlet 22b through the road through the air outlet grill 50b of the front panel 5 into the bathroom. Since the heater 20H is disposed at the air outlet 22b, when the heater 20H is energized, the air passing through the circulation air passage is warmed and the hot air is blown out from the air outlet grill 50b.

  Thus, when the fan motor 20 is driven with the air path switching damper 23 as the circulation position, when the heater 20H is energized, hot air is blown out into the bathroom while circulating the air in the bathroom. When the heater 20H is not energized, cool air corresponding to the room temperature is blown out into the bathroom while circulating the air in the bathroom.

  When the position of the air path switching damper 23 is the ventilation position indicated by the alternate long and short dash line in FIG. 1, a ventilation air path from the suction port 22a to the exhaust port 22c is formed, so that the air sucked from the suction port 22a is ventilated. The air passes through the air passage and the exhaust port 22c and is exhausted to the outside.

  Thereby, when the fan motor 20M is driven with the air path switching damper 23 as the ventilation position, steam and moisture in the bathroom are exhausted.

  When the position of the air path switching damper 23 is the circulation ventilation position indicated by a two-dot chain line in FIG. 1, the circulation air path from the inlet 22a to the outlet 22b and the ventilation air path from the inlet 22a to the outlet 22c Since both are formed, a part of the air sucked from the suction port 22a passes through the circulation air passage and is blown out from the blower outlet 22b into the bathroom through the blower outlet grill 50b of the front panel 5. The remaining portion of the air sucked from the suction port 22a passes through the ventilation air passage and the exhaust port 22c and is exhausted to the outside.

  Thereby, when the fan motor 20M is driven with the air path switching damper 23 as the circulation ventilation position, when the heater 20H is not energized, the steam and moisture in the bathroom are exhausted while circulating the air in the bathroom. The

  On the other hand, when the heater 20H is energized, the steam and moisture in the bathroom are exhausted while circulating the air in the bathroom and blowing hot air into the bathroom.

<Examples of effects of the bathroom ventilation dryer / heater according to the first embodiment>
In the bathroom ventilation dryer 1A according to the first embodiment, a packing 27a is attached to the upper surface of the flange portion 24 that sandwiches the ceiling panel 100 between the mounting bracket 103 and an aluminum tape 27. A gap between the flange portion 24 facing the bathroom and the ceiling panel 100 is closed with the packing 27a. This prevents moisture and moisture due to steam in the bathroom from leaking to the back of the ceiling.

  When the bathroom ventilation dryer 1A is attached to the ceiling panel 100, the non-combustible case 3 that covers the main body 2 is put into the back of the ceiling through an opening 102 formed in the ceiling panel 100. Thereby, the main-body part 2 comprised with a resin material is not directly exposed to the ceiling back of a bathroom.

  The opening 102 of the ceiling panel 100 is formed to be slightly larger than the non-combustible case 3 in consideration of installation workability of the bathroom ventilation dryer / heater 1A. For this reason, when 1 A of bathroom ventilation drying heaters are attached to the ceiling panel 100, a part of upper surface of the flange part 24 will be exposed to the opening part 102. FIG.

  An aluminum tape 27 is attached to the entire surface of the upper surface of the flange portion 24 exposed to the opening 102 of the ceiling panel 100, and the resin portion of the flange portion 24 is directly attached to the opening 102 of the ceiling panel 100. Not exposed.

  Further, between the lower end 30U of the non-combustible case 3 covering the main body chassis 21 and the aluminum tape 27 on the upper surface of the flange portion 24, the main body chassis 21 inside the non-combustible case 3 is directly exposed to heat from the outside. No gap is formed. Thereby, the resin part of the main body chassis 21 constituting the main body 2 is not directly exposed from the opening 102 of the ceiling panel 100 to the back of the ceiling.

  Assume that a fire should occur in the building where the bathroom ventilation dryer 1A according to the first embodiment is installed. Even if the fire spreads over the ceiling of the bathroom, the bathroom ventilation dryer 1A has a body chassis 21 made of a resin material because the body 2 placed in the ceiling is covered with a metal incombustible case 3. Is prevented from firing.

  Moreover, since the aluminum tape 27 is affixed to the upper surface of the flange part 24 attached to the ceiling panel 100 in the part exposed to the opening part 102 of the ceiling panel 100, the main body comprised with a resin material Firing from the flange portion 24 of the chassis 21 is prevented.

  Further, between the lower end 30U of the incombustible case 3 covering the main body chassis 21 and the aluminum tape 27 on the upper surface of the flange portion 24, the main body chassis 21 inside the incombustible case 3 is directly exposed to heat from the outside. Since no gap is formed, ignition of the main body chassis 21 made of a resin material is prevented.

<Configuration Example of Bathroom Ventilation Dryer / Heater of Second Embodiment>
FIG. 4 is a cross-sectional view showing an example of a bathroom ventilation dryer according to the second embodiment. In the following description, the same number is attached | subjected about the structure equivalent to 1A of bathroom ventilation drying heaters of 1st Embodiment, and description is abbreviate | omitted.

  The bathroom ventilation dryer 1B according to the second embodiment includes a heat insulating material 28 disposed between the incombustible case 3 and the main body chassis 21 constituting the main body 2. Examples of the heat insulating material 28 include a heat-resistant and flame-retardant glass wool, a solid or molded heat-insulating material made of a heat-resistant and flame-retardant resin material, and a core material such as a porous structure made of a heat-resistant and flame-retardant laminate. It is composed of a vacuum heat insulating material or the like which is covered with a film and whose inside is decompressed and sealed.

  When the incombustible case 3 is put on the main body chassis 21 constituting the main body portion 2, a space E is formed between the side and upper portions of the fan case portion 21 a of the main body chassis 21 and the inner surface of the incombustible case 3.

  The heat insulating material 28 made of glass wool or the like is placed so that the space E between the incombustible case 3 and the main body chassis 21 is filled. Thereby, the main body chassis 21 covered with the incombustible case 3 is thermally insulated from the outside of the incombustible case 3, and an air layer between the incombustible case 3 and the main body chassis 21 is substantially eliminated.

  Alternatively, the heat insulating material 28 may be formed of a foaming resin forming material such as a flame retardant urethane foam. The heat insulating material 28 by the forming material is sprayed on the inner surface of the non-combustible case 3 or the surface of the fan case portion 21a of the main body chassis 21 or both the inner surface of the non-combustible case 3 and the surface of the fan case portion 21a of the main body chassis 21.

  When the incombustible case 3 is put on the main body chassis 21, the space E between the incombustible case 3 and the main body chassis 21 is sealed with the heat insulating material 28. As a result, the space E between the incombustible case 3 and the main body chassis 21 is in an oxygen deficient state, and the main body chassis 21 covered with the incombustible case 3 is thermally insulated from the outside of the incombustible case 3.

<Examples of the effects of the bathroom ventilation dryer / heater according to the second embodiment>
Assume that a fire should occur in a building where the bathroom ventilation dryer 1B according to the second embodiment is installed. Even if the fire spreads over the ceiling of the bathroom, the bathroom ventilation dryer 1B has a body part 2 that is put in the ceiling, covered with a metal incombustible case 3, and a body chassis 21 that constitutes the body part 2 has a heat insulating material. Since it is insulated by 28, the conduction of heat to the main body chassis 21 is suppressed. Thereby, ignition of the main body chassis 21 made of a resin material is prevented.

  Further, when the heat insulating material 28 is formed of a forming material, the space E between the incombustible case 3 and the main body chassis 21 is in an oxygen deficient state, so that heat conduction to the main body chassis 21 can be suppressed. In addition, ignition of the main body chassis 21 is prevented more reliably.

  In the bathroom ventilation drying / heating machine 1B according to the second embodiment, as shown in FIGS. 2 and 3, aluminum is provided on the upper surface of the flange portion 24 as in the bathroom ventilation drying / heating machine 1A according to the first embodiment. It is good also as a structure which affixes the tape 27. FIG.

<Configuration Example of Bathroom Ventilation Dryer / Heater of Third Embodiment>
FIG. 5: is sectional drawing which shows an example of the bathroom ventilation drying heater of 3rd Embodiment. In the following description, the same number is attached | subjected about the structure equivalent to 1A of bathroom ventilation drying heaters of 1st Embodiment, and description is abbreviate | omitted.

  The bathroom ventilation dryer 1C according to the third embodiment includes a metal thin film layer 29 formed by nickel chrome plating or the like on the surface of the fan case portion 21a covered with the incombustible case 3 in the main body chassis 21. The main body chassis 21 is at least a portion covered with the non-combustible case 3 so that the surface of the resin is not exposed to air.

<Examples of the effects of the bathroom ventilation dryer / heater according to the third embodiment>
Assume that a fire should occur in a building where the bathroom ventilation dryer 1C according to the third embodiment is installed. Even if the fire spreads over the ceiling of the bathroom, the bathroom ventilation dryer 1C has a non-combustible case of the main body chassis 21 constituting the main body 2 with the main body 2 placed in the back of the ceiling covered with a metal incombustible case 3. In the portion covered with 3, the surface of the resin is not exposed to air because the metal thin film layer 29 is formed. Thereby, ignition of the main body chassis 21 is prevented.

  In addition, in the bathroom ventilation dryer 1C of 3rd Embodiment, it is good also as a structure which forms the metal thin film layer 29 also on the upper surface of the flange part 24. FIG. Moreover, it is good also as a structure which affixes the aluminum tape 27 on the upper surface of the flange part 24 as shown in FIG.2 and FIG.3 similarly to 1 A of bathroom ventilation drying heaters of 1st Embodiment. Furthermore, it is good also as a structure provided with the heat insulating material 28 between the incombustible case 3 and the main body chassis 21 similarly to the bathroom ventilation drying heater 1B of 2nd Embodiment.

  The present invention is applied to equipment such as an air conditioner having a heat source.

It is sectional drawing which shows an example of the bathroom ventilation drying heater of 1st Embodiment. It is principal part sectional drawing which shows an example of the bathroom ventilation drying heater of 1st Embodiment. It is a top view which shows an example of the bathroom ventilation drying heater of 1st Embodiment. It is sectional drawing which shows an example of the bathroom ventilation drying heater of 2nd Embodiment. It is sectional drawing which shows an example of the bathroom ventilation drying heater of 3rd Embodiment.

Explanation of symbols

  1A, 1B, 1C ... bathroom ventilation dryer / heater, 2 ... main body, 21 ... main body chassis, 21a ... fan case, 24 ... flange, 27 ... aluminum tape, 27a ... packing, 28 ... heat insulating material, 29 ... metal thin film layer, 3 ... noncombustible case, 100 ... ceiling panel, 102 ... opening

Claims (2)

On the outer periphery of the resin-made main body chassis inserted into the opening formed in the opening formed in the ceiling panel of the bathroom, a main body portion formed with a flange portion that closes the opening, and
A metal case that exposes the flange portion and covers the body portion;
The upper surface of the flange portion covers a predetermined range along at least the inner peripheral side of the flange portion including the position where the lower end portion of the metal case covering the body portion contacts , and is configured by a metal foil. An insulation member;
Between the lower end portion of the metal case and the heat insulating member that covers the upper surface of the flange portion, the main body portion inside the metal case is configured not to form a gap that is directly exposed to heat from the outside. Facility equipment,
On the upper surface of the heat insulating member, a flame retardant moisture proof member is disposed over the entire circumference of the flange portion,
The said equipment of the said flange part of the said main-body part is fixed to the said ceiling panel by a fastening means on both sides of the said heat insulation member and the said moisture proof member . The equipment according to claim 1 , wherein the heat insulating member is attached to the entire top surface of the flange portion, exposing a hole portion for attaching the main body portion to the ceiling panel .

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