JP5791190B2 - Equipment - Google Patents

Description

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

  Ventilators that are equipment installed on the ceiling of a building and do not have a heat source are often 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).

  In the bathroom ventilation dryer / heater, a portion covered with a metal case is inserted into an opening formed in a ceiling plate of the bathroom, and is fixed to the ceiling plate by a flange portion. The flange part provided in the bathroom ventilation dryer is generally made of a resin material.

JP 2010-112660 A

  Equipment such as a bathroom ventilation dryer / heater equipped with electrical equipment such as a motor or heater that drives the impeller is connected to the earth leakage breaker at the time of installation. Protected with an earth leakage breaker. In addition, the equipment is grounded at the time of installation, and a minute leakage current that cannot be detected by the earth leakage breaker is passed to the earth to protect the earth leakage.

  However, when a fault in the earth leakage breaker or a grounding fault occurs, there is a possibility that the leakage from the equipment to the installation location may occur. Therefore, conventionally, insulation has been achieved by winding an insulating tape around a metal case. However, the work of winding the insulating tape is time-consuming and causes a high assembly cost. Also, if the insulating tape is damaged during installation of equipment or due to deterioration over time, the insulating performance cannot be secured.

  The present invention has been made to solve such a problem, and an object of the present invention is to provide a facility device that can reliably prevent leakage to an installation location.

In order to solve the above-described problems, the present invention comprises a main body portion inserted from an indoor side into an opening formed in an attachment member at an installation location, and a resin material, and projects outward from the side portion of the main body portion. A flange portion that comes into contact with the surface on the indoor side of the mounting member at the periphery of the opening, a metal case that exposes the flange portion and constitutes the outline of the main body, and a surface on the indoor side of the mounting member at the peripheral edge of the opening Provided on one surface of the flange portion that is the abutting side, between the one side where the flange portion protruding from the metal case is provided on the side surface of the metal case, and the end of the mounting member at the periphery of the opening The insulating part is equipment equipment provided at a position where a gap is formed between one side surface of the metal case and the insulating part .

  In the equipment of the present invention, the main body portion is inserted from the indoor side into the opening formed in the mounting member that constitutes the ceiling or wall of the room as the installation location, and the flange portion is attached to the mounting member on the periphery of the opening. The flange portion made of a resin material is provided between one side surface of the metal case constituting the outline of the main body portion and the end portion of the mounting member at the periphery of the opening portion. The insulation part enters.

According to the equipment of the present invention, an insulating portion made of a resin material is inserted between one side of the side surface of the metal case that forms the outer shell of the main body and the end of the mounting member at the periphery of the opening. Ri and, in Rukoto gap is formed between one side of a side surface of the metal case and the insulating portion, the end face of the mounting member is prevented from contacting exposed to the opening of the installation site and the metal case The leakage from the metal case of the equipment to the installation location can be prevented.

  Further, since the insulating portion is provided on one surface of the flange portion, an operation of winding an insulating tape or the like becomes unnecessary, and the assembling operation can be simplified and the cost can be reduced.

It is a sectional side view which shows the whole structure of the bathroom ventilation drying heater of 1st Embodiment. It is a principal part sectional side view which shows the principal part structure of the form which attached the bathroom ventilation drying heater of 1st Embodiment to the ceiling board. It is a principal part sectional side view which shows the principal part structure of the form which attached the bathroom ventilation drying heater of 1st Embodiment to the ceiling board. It is the perspective view seen from the upper surface side which shows the whole structure of the bathroom ventilation drying heater of 1st Embodiment. It is the perspective view seen from the upper surface side which shows the structure of the main body chassis in the bathroom ventilation drying heater of 1st Embodiment. It is the perspective view seen from the upper surface side which shows the form which attached the bathroom ventilation drying heater of 1st Embodiment to the ceiling board. It is the perspective view seen from the upper surface side which shows the whole structure of the bathroom ventilation drying heater of 2nd Embodiment. It is the perspective view seen from the upper surface side which shows the form which attached the bathroom ventilation drying heating machine of 2nd Embodiment to the ceiling board. It is the perspective view seen from the upper surface side which shows the whole structure of the bathroom ventilation drying heater of 3rd Embodiment. It is the perspective view seen from the upper surface side which shows the form which attached the bathroom ventilation drying heater of 3rd Embodiment to the ceiling board. It is principal part side sectional drawing which shows the principal part structure of the form which attached the bathroom ventilation drying heater of 4th Embodiment to the ceiling board.

  Hereinafter, with reference to drawings, the embodiment of the bathroom ventilation drying heating machine as equipment of the present invention is described.

<Configuration Example of Bathroom Ventilation Dryer / Heater of First Embodiment>
FIGS. 1-6 shows an example of the bathroom ventilation drying heater of 1st Embodiment, FIG. 1 is a sectional side view which shows the whole structure of the bathroom ventilation drying heater of 1st Embodiment, FIG. 2 and 3 are principal part side sectional views showing the principal part configuration of a form in which the bathroom ventilation drying heater of the first embodiment is attached to a ceiling board.

  FIG. 4 is a perspective view of the overall configuration of the bathroom ventilation drying heater according to the first embodiment viewed from the upper surface side, and FIG. 5 is a main body chassis in the bathroom ventilation drying heater according to the first embodiment. It is the perspective view seen from the upper surface side which shows this structure. Furthermore, FIG. 6 is the perspective view seen from the upper surface side which shows the form which attached the bathroom ventilation drying heating machine of 1st Embodiment to the ceiling board.

  1 A of bathroom ventilation drying heaters of 1st Embodiment are inserted in the opening part 102 opened in the ceiling board 101 of the bathroom which is an example of an attachment member, and the main-body part 2A attached to the ceiling board 101, indoors The front panel 3 is attached to the lower surface of the main body 2 </ b> A and covers the lower surface of the main body 2 </ b> A exposed to the opening 102 of the ceiling plate 101.

  As shown in FIGS. 1 to 3, the ceiling plate 101 to which the bathroom ventilation dryer 1A is attached has a metal plate 101b attached to the surface facing the indoor side of a heat insulating material 101a such as a gypsum board. A rectangular opening 102 is provided at the mounting position of the drying heater 1A in accordance with the shape of the main body 2A of the bathroom ventilation drying heater 1A.

  The main body portion 2A includes a flange portion 20A attached to the ceiling plate 101, and the flange portion 20A is exposed to be covered with the metal case 4A. Further, the main body 2A includes an insulating portion 21A on the flange portion 20A, and electrical insulation between the metal case 4A of the main body 2A of the bathroom ventilation dryer 1A and the metal plate 101b of the ceiling plate 101 is achieved.

  Hereinafter, the details of the bathroom ventilation dryer 1A will be described. The main body 2A includes a main body chassis 22A and a metal case 4A that covers the main body chassis 22A. The main body 2A includes a fan unit 5 that sucks and blows air, a heater (not shown) that heats the air blown by the fan unit 5, and a substrate 6 on which a circuit that drives the fan unit 5 and the heater is formed. Prepare.

  The main body chassis 22A is made of a flame-retardant resin material, and includes a flange portion 20A attached to the ceiling board 101 and a fan case portion 23 that forms an air passage. The flange portion 20A and the fan case portion 23 are integrally molded. Is done.

  4 A of metal cases are comprised with metal board | plate materials, such as iron, and while covering the whole fan case part 23 of main body chassis 22A, 20 A of flange parts have a shape to expose, and comprise the outline of 2 A of main body parts.

  The fan unit 5 includes a fan motor 50 attached to the fan case unit 23 of the main body chassis 22 </ b> A and a multi-blade impeller 51 driven by the fan motor 50. The fan case portion 23 that forms the air path in the fan portion 5 is a convex shape that combines a substantially circular portion along the outer periphery of the impeller 51 and a portion along the tangential direction of the impeller 51, from the main body chassis 22 </ b> A. Projects upward in one direction.

  In the main body 2A, a lower cover 24 is attached to the lower surface of the main body chassis 22A. The lower cover 24 is provided with a suction port 24a through which air is sucked into the fan unit 5, an air outlet (not shown), and the like. Further, the main body 2A communicates with the air outlet of the fan unit 5 to the outside, and a duct joint 52 connected to the duct is attached to the metal case 4A. The duct joint 52 is made of metal in the same manner as the metal case 4A.

  The front panel 3 attached to the lower surface of the main body 2A communicates with the suction port 24a and is provided with a suction port grill 30. In addition, an air outlet grill (not shown) is provided in communication with the air outlet of the fan unit 5 into the room.

  The impeller 51 is driven and rotated by the fan motor 50 to generate a flow of air blown in the centrifugal direction from the inner side to the outer peripheral side. The fan case portion 23 rectifies the air blown in the centrifugal direction of the impeller 51 as the impeller 51 rotates, and generates a flow of air blown along the tangential direction of the impeller 51.

  Thereby, in the bathroom ventilation dryer / heater 1A, the operation of inhaling the air in the bathroom and exhausting it to the outside, the operation of heating by blowing hot air into the bathroom, and the ventilation by driving the heater (not shown) are performed. While warm air is blown out, the clothes are dried.

  In the main body 2A, the substrate 6 is attached to the upper surface of the fan case portion 23 in the main body chassis 22A, and the flange portion 20A is exposed, and the fan case portion 23 and the substrate 6 are covered with the metal case 4A. The substrate 6 is connected to the fan motor 50, a heater (not shown), and the like by wiring.

  The flange portion 20A protrudes outward from the lower peripheral edge of the main body chassis 22A over the entire circumference. In the main body 2A, when the metal case 4A is attached to the main body chassis 22A, the flange portion 20A protrudes outward from the lower periphery of the metal case 4A over the entire circumference.

  The flange portion 20A has a larger outer shape than the opening portion 102 of the ceiling plate 101 into which the main body portion 2A is inserted, and the body portion 2A is inserted into the opening portion 102. A mounting hole 20h into which a screw 103, which is a fastening means for mounting the drying heater 1A to the ceiling board 101, is inserted.

  The bathroom ventilation dryer / heater 1A is formed integrally with the main body chassis 22A, with a metal case 4A covering the main body chassis 22A with the main body 2A and an insulating part 21A for electrical insulation between the ceiling plate 101. The flange portion 20A is provided.

  The insulating portion 21A has a convex portion that protrudes upward from the upper surface, which is one surface of the flange portion 20A, inside the position where the mounting hole portion 20h is formed, and is integrally formed with the flange portion 20A. The insulating portion 21A is provided with a gap for the lower end portion 40A of the metal case 4A to enter between the outer periphery of the lower portion of the main body chassis 22A and the insulating portion 21A. It is formed along the periphery.

Insulating portion 21A includes a first insulating portion 21A ₁ having a first height given, the second insulating portion 21A ₂ having a second height lower predetermined than the first height. The insulating portion 21A includes four corner portions 41A of the metal case 4A and a first insulating portion 21A ₁ corresponding to the vicinity of the middle between the corner portions 41A, and the first insulating portion 21A ₁ A _second insulating portion 21A ₂ is provided between the first insulating portion 21A ₁ and the first insulating portion 21A ₁ . In this example, the insulating portion 21A is provided over the entire circumference, but a form in which a part of the second insulating portion 21A ₂ is notched may be employed.

As shown in FIG. 2, the first insulating portion 21A ₁ protrudes from the upper surface of the flange portion 20A at a _first height H ₁ higher than the plate thickness of the ceiling plate 101. In this example, the thickness t of the ceiling plate 101 is set to about 10.5 mm. On the other hand, the first height H ₁ of the first insulating portion 21A ₁ is set to about 20 mm.

As shown in FIG. 3, the second insulating portion 21A ₂ has a second height H ₂ that is higher than the thickness of the metal plate 101b of the ceiling plate 101 and lower than the thickness of the ceiling plate 101, and has a flange portion 20A. Protrudes from the top surface of. In this example, the second height H ₂ of the second insulating portion 21A ₂ is set to about 3 mm.

  The opening 102 formed in the ceiling plate 101 for attaching the bathroom ventilation dryer 1A has an insulating part 21A of the main body part 2A inside the opening 102, and an attachment hole 20h of the flange part 20A. The size is set so that the main body 2 </ b> A can be fixed to the ceiling plate 101 via the flange portion 20 </ b> A with the threaded screw 103.

In the state of attaching the bathroom ventilating drying heater 1A in the ceiling plate 101, as shown in FIGS. 2 and 3, from the end of the opening 102 of the top plate 101, the first insulating portion 21A ₁ and the second insulation distance H _a to the outer peripheral surface of the part 21A ₂ is, in this example, to be about 3.5 mm, the size of the opening 102 is set.

  1 A of bathroom ventilation drying heaters are equipped with the terminal block 7 on the upper surface of metal case 4A which is the upper surface of the main-body part 2A. The terminal block 7 is connected to an external power source and wiring from an operation unit such as a remote control device (not shown). The terminal block 7 is connected to the substrate 6 by wiring through a hole (not shown) provided in the metal case 4A. In this example, a cover 70 that covers the terminal block 7 is attached to the main body 2A. The cover 70 is made of a metal plate, like the metal case 4A.

<Attachment Example of Bathroom Ventilation Drying Heater of First Embodiment>
Next, with reference to each figure, the form which attaches 1 A of bathroom ventilation drying heaters to the ceiling board 101 is demonstrated. Here, in this example, the bathroom ventilation dryer / heater 1A will be described as an example where the bathroom ventilation / drying heater 1A is attached to the ceiling plate 101 of the bathroom which is the installation location. The main body may be inserted and attached from the indoor side.

  In the bathroom ventilation dryer 1A, when the main body 2A is inserted into the opening 102 opened in the ceiling plate 101, the insulation provided on the upper surface of the flange portion 20A protruding outward from the peripheral edge of the lower portion of the main body 2A. The flange portion 20 </ b> A is in contact with the ceiling plate 101 in such a form that the portion 21 </ b> A enters the inside of the opening 102.

  On the upper surface of the ceiling plate 101, a reinforcing member 105 to which a screw 103 passed through the mounting hole 20h of the flange portion 20A is fastened is placed. The reinforcing material 105 is a member having an L-shaped cross-sectional shape and is made of a metal material. As the screw 103, what is called a self-tapping screw, a drill screw or the like is used.

  Then, the screw 103 inserted into the mounting hole 20h from the lower surface of the flange portion 20A does not make a pilot hole in the ceiling plate 101 in advance, and without forming a screw hole in the reinforcing material 105 in advance. And is fastened to the fastening portion 105 a of the reinforcing material 105.

  When the screw 103 inserted into the mounting hole 20h of the flange portion 20A is fastened to the reinforcing material 105, the main body portion 2A is attached to the ceiling plate 101 in a form in which the ceiling plate 101 is sandwiched between the flange portion 20A and the reinforcing material 105. Fixed. The front panel 3 is attached to the main body 2A fixed to the ceiling board 101, and the lower surface of the main body 2A is covered. In addition, a through hole is formed in the ceiling plate 101 according to the mounting hole 20h of the flange portion 20A, and a screw hole in which a screw is fastened is formed in the reinforcing material 105 according to the mounting hole 20h. The screws may be fastened by matching the positions of the holes.

Here, the height H ₁ of the first insulating portion 21A ₁ constituting the insulating portion 21A is preferably set such that the thickness t of the ceiling plate 101 and the fastening portion 105a of the reinforcing member 105 are as shown in FIG. It is set higher than the sum of the plate thicknesses h. In this example, the plate thickness h of the fastening portion 105a of the reinforcing material 105 is set to about 3 mm, and H ₁ > t + h.

<Examples of effects of the bathroom ventilation dryer / heater according to the first embodiment>
The bathroom ventilation dryer / heater 1A equipped with electric devices such as the fan motor 50 and the heater is connected to the earth leakage breaker at the time of installation in the bathroom. Is protected by an earth leakage breaker.

  The bathroom ventilation / drying heater 1A is grounded at the time of installation in the bathroom, and a small leakage current that cannot be detected by the earth leakage breaker flows to the earth to protect the earth leakage.

  Furthermore, even if a fault in the earth leakage breaker or a grounding fault occurs, the gap between the metal case 4A that covers the main body 2A with the bathroom ventilation dryer / heater 1A and the opening 102 of the ceiling plate 101 that is the installation location is between Has an insulating portion 21A interposed therebetween.

The insulating part 21A is made of a resin material. The first insulating portion 21A ₁ and the second insulating portion 21A made of an insulating portion 21A ₂ which heights are different, both of the height of the first insulating portion 21A ₁ and the second insulating portion 21A ₂ The thickness of the ceiling plate 101 is higher than the thickness of the metal plate 101b.

As a result, the metal case 4A of the bathroom ventilation dryer 1A and the end of the ceiling plate 101 at the periphery of the opening 102 exposed at the opening 102 of the ceiling plate 101, in particular, the end surface of the metal plate 101b may come into contact. This prevents electric leakage from the metal case 4A of the bathroom ventilation dryer 1A to the metal plate 101b of the ceiling plate 101. Preferably, the height H _{1 of the first} insulating portion 21A ₁ constituting the insulating portion 21A is set to be higher than the sum of the plate thickness t of the ceiling plate 101 and the plate thickness h of the fastening portion 105a of the reinforcing member 105. Therefore, leakage through the reinforcing material 105 and the screw 103 can also be prevented.

  Further, even if the positional relationship is such that the attachment position of the main body 2A is displaced within the range of the opening 102 of the ceiling plate 101, and the end surface of the opening 102 and the side surface of the main body 2A are in contact with each other, the main body 2A. In this case, the outer periphery of the insulating portion 21 </ b> A is in contact with the end face of the opening 102.

  As a result, the mounting position of the main body 2A in the opening 102 of the ceiling plate 101 is restricted, and a necessary and sufficient gap is formed between the metal case 4A and the end face of the opening 102 to ensure insulation. Is done. Therefore, electrical leakage from the metal case 4A of the bathroom ventilation dryer 1A to the metal plate 101b of the ceiling plate 101 can be prevented.

  Further, since the insulating portion 21A is formed integrally with the flange portion 20A, it is possible to omit the work of winding an insulating tape or the like around the metal case 4A in order to insulate the metal case 4A. Simplification and cost can be reduced. Further, the insulating portion 21A formed integrally with the flange portion 20A has a strength compared to the insulating tape, and the problem arises that the insulating performance cannot be ensured due to damage of the insulating tape, etc. by not using the insulating tape. There is no.

The mounting as the insulating portion 21A, by providing the insulating portion 21A ₁ of the tall first, in the state as the insulating portion 21A is sandwiched between the flange portion 20A and the top plate 101, body portion 2A When Rareyo it to, between the flange portion 20A and the top plate 101, opening a gap at a first height of the first insulating portion 21A _1.

  Thereby, it can be recognized that the main body 2A is not correctly attached to the ceiling board 101 by installing the main body 2A in the opening 102 of the ceiling board 101, and the installation work of the bathroom ventilation dryer 1A is performed. Can be reduced.

Further, by providing the second insulating portion 21A ₂ having a low height as the insulating portion 21A, the material can be reduced compared to the case where the entire insulating portion 21A is formed at the first height, Cost can be reduced.

  Further, by providing the insulating portion 21A over the entire circumference of the flange portion 20A, if the metal case 4A is not attached at the correct position in the work of assembling the metal case 4A to the main body chassis 22A, the gap between the metal case 4A and the flange portion 20A Insulating part 21A intervenes in the metal case 4A. Thereby, the mistake of the assembly work of the bathroom ventilation drying heater 1A in a factory can be reduced.

<Configuration Example of Bathroom Ventilation Dryer / Heater of Second Embodiment>
FIGS. 7 and 8 show an example of a bathroom ventilating / drying heater according to the second embodiment, and FIG. 7 is a top view showing the overall configuration of the bathroom ventilation / drying heater according to the second embodiment. A perspective view and Drawing 8 are perspective views seen from the upper surface side showing a form which attached a bathroom ventilation drying heating machine of a 2nd embodiment to a ceiling board.

  The bathroom ventilation dryer 1B of 2nd Embodiment forms the insulating part 21B by the same height in the perimeter of the upper surface of the flange part 20B. Here, in the bathroom ventilation drying / heating machine 1B of the second embodiment, except for the configuration of the insulating part 21B, the same number is used because it is the same as the bathroom ventilation drying / heating machine 1A of the first embodiment described above. A description thereof will be omitted.

  In the bathroom ventilation dryer / heater 1B, the main body 2B is covered with a metal case 4B, and the flange 20B protrudes outward from the peripheral edge of the lower portion of the main body 2B. The main body 2B is integrally formed with the main body chassis made of the resin material described with reference to FIG.

  The insulating portion 21B has a convex portion that protrudes upward from the upper surface of the flange portion 20B, and is integrally formed with the flange portion 20B, and is formed at the same height along the periphery of the lower portion of the side surface of the metal case 4B. The height of the insulating portion 21B is configured to be higher than the thickness of the ceiling plate 101 in this example. Preferably, the height of the insulating portion 21 </ b> B is set higher than the sum of the plate thickness of the ceiling plate 101 and the plate thickness of the reinforcing material 105.

<Examples of the effects of the bathroom ventilation dryer / heater according to the second embodiment>
Also in the bathroom ventilation dryer 1B of the second embodiment, an insulating portion made of a resin material is provided between the metal case 4B that covers the main body 2B and the opening 102 of the ceiling plate 101 that is the installation location. 21B is interposed.

  Thereby, it is prevented that the metal case 4B of the bathroom ventilation drying heater 1B and the end surface of the metal plate 101b described in FIGS. Electric leakage from the metal case 4B of the machine 1B to the metal plate 101b of the ceiling plate 101 can be prevented.

  In addition, since the height of the insulating portion 21B is configured to be higher than the thickness of the ceiling plate 101 over the entire circumference, the structure of the ceiling plate 101 such as the difference in the thickness of the metal plate 101b attached to the surface of the ceiling plate 101. Regardless, the insulating portion 21B can be interposed between the end face of the opening 102 and the metal case 4B. Thereby, insulation performance can be ensured more reliably. Preferably, the height of the insulating portion 21B is set to be higher than the sum of the plate thickness of the ceiling plate 101 and the plate thickness of the reinforcing material 105, so that leakage through the reinforcing material 105 and the screw 103 can be prevented. .

<Configuration Example of Bathroom Ventilation Dryer / Heater of Third Embodiment>
FIGS. 9 and 10 show an example of a bathroom ventilating / drying heater according to the third embodiment. FIG. 9 is a top view showing the overall configuration of the bathroom ventilation / drying heater according to the third embodiment. A perspective view and FIG. 10 are the perspective views seen from the upper surface side which show the form which attached the bathroom ventilation drying heating machine of 3rd Embodiment to the ceiling board.

  A bathroom ventilation dryer 1C according to the third embodiment has insulating portions 21C formed at a plurality of locations on the upper surface of the flange portion 20C. Here, in the bathroom ventilation drying heater of 3rd Embodiment, since it is the same as that of 1 A of bathroom ventilation drying heater 1A of the above-mentioned 1st Embodiment except the structure of 21 C of insulation parts, the same number is attached | subjected. Therefore, the description is omitted.

  In the bathroom ventilation dryer 1C, the main body portion 2C is covered with a metal case 4C, and the flange portion 20C projects outward from the peripheral edge of the lower portion of the main body portion 2C. The main body portion 2C is integrally formed with the main body chassis made of the resin material described in FIG.

  The insulating portion 21C is provided with a cylindrical convex portion that protrudes upward from the upper surface of the flange portion 20C in an integrated manner with the flange portion 20C. The insulating portion 21C is provided corresponding to the four corners 41C of the metal case 4C and the vicinity of the middle between the corners 41C. In this example, the height of the insulating portion 21 </ b> C is configured to be higher than the thickness of the ceiling plate 101. Preferably, the height of the insulating portion 21 </ b> C is set higher than the sum of the thickness of the ceiling plate 101 and the thickness of the reinforcing material 105.

<Examples of the effects of the bathroom ventilation dryer / heater according to the third embodiment>
In the bathroom ventilation dryer 1C according to the third embodiment, a resin material is used at a plurality of locations between the metal case 4C that covers the main body 2C and the opening 102 of the ceiling plate 101 that is the installation location. An insulating part 21C is interposed.

  As a result, the mounting position of the main body 2C in the opening 102 of the ceiling plate 101 is regulated, and a necessary and sufficient gap for ensuring insulation is formed between the metal case 4C and the end surface of the opening 102. The

  Therefore, the metal case 4C of the bathroom ventilation drying / heating machine 1C and the end face of the metal plate 101b described with reference to FIGS. 1 to 3 exposed to the opening 102 of the ceiling board 101 are prevented from coming into contact with each other. Electric leakage from the 1C metal case 4C to the metal plate 101b of the ceiling plate 101 can be prevented.

<Configuration Example of Bathroom Ventilation Dryer / Heater of Fourth Embodiment>
FIG. 11 shows an example of a bathroom ventilation / drying heater according to the fourth embodiment, and FIG. 11 shows a configuration of a main part of the embodiment in which the bathroom ventilation / drying heater according to the fourth embodiment is attached to a ceiling board. It is principal part sectional drawing.

  The bathroom ventilation dryer 1D according to the fourth embodiment has an insulating portion 21D formed at a height at which the lower end portion 40D of the metal case 4D is placed on the entire circumference of the upper surface of the flange portion 20D. Here, in the bathroom ventilation drying / heating machine 1D of the fourth embodiment, except for the configuration of the insulating part 21D, the same number is used because it is the same as the bathroom ventilation drying / heating machine 1A of the first embodiment described above. A description thereof will be omitted.

  In the bathroom ventilation dryer 1D, the main body 2D is covered with a metal case 4D, and the flange portion 20D protrudes outward from the peripheral edge of the lower portion of the main body 2D. The main body 2D is integrally formed with a main body chassis 22D made of a resin material to form a flange 20D.

The insulating portion 21D protrudes laterally from the lower peripheral edge of the main body chassis 22D, and a convex portion that protrudes upward from the upper surface of the flange portion 20D is provided integrally with the main body chassis 22D and the flange portion 20D. In this example, the height of the insulating portion 21 </ b> D is higher than the thickness of the ceiling plate 101. In this example, the thickness t of the ceiling plate 101 is set to about 10.5 mm. In contrast, the height H _D of the insulating portion 21D is set to about 12 mm.

  The metal case 4D covering the main body portion 2D is attached to the main body chassis 22D in such a form that the lower end portion 40D is placed on the upper surface of the insulating portion 21D. Since the height of the insulating portion 21D is configured to be higher than the thickness of the ceiling plate 101, the lower end portion 40D of the metal case 4D is supported at a position higher than the thickness of the ceiling plate 101.

<Examples of functions and effects of the bathroom ventilation dryer of the fourth embodiment>
In the bathroom ventilation dryer 1D of the fourth embodiment, the lower end 40D of the metal case 4D covering the main body 2D is supported at a position higher than the plate thickness of the ceiling board 101, and the main body 2D and the installation place Between an opening 102 of a certain ceiling plate 101, an insulating part 21D made of a resin material is interposed.

  This prevents the metal case 4D of the bathroom ventilation drying / heating machine 1D from coming into contact with the end face of the metal plate 101b exposed at the opening 102 of the ceiling plate 101, and the metal case 4D of the bathroom ventilation drying / heating machine 1D Leakage of the ceiling plate 101 to the metal plate 101b can be prevented.

  The present invention is applied to equipment such as an air conditioner having a heat source and a portion exposed to an installation place covered with a metal case.

1A, 1B, 1C, 1D ... bathroom ventilation dryer / heater, 2A, 2B, 2C, 2D ... main body, 20A, 20B, 20C, 20D ... flange, 20h ... mounting hole, 21A, 21B, 21C, 21D ... Insulating part, 21A ₁ ... First insulating part, 21A ₂ ... Second insulating part, 22A, 22D ... Body chassis, 3 ... Front panel 4A, 4B, 4C, 4D ... metal case, 40A, 40D ... lower end, 41A, 41C ... corner, 5 ... fan part, 6 ... substrate, 101 ... ceiling Plate, 102 ... Opening, 103 ... Screw, 105 ... Reinforcing material

Claims (6)

A body portion inserted from the indoor side into the opening formed in the mounting member at the installation location;
A flange portion made of a resin material, protruding outward from the side portion of the main body portion, and abutting against the indoor side surface of the mounting member at the periphery of the opening;
A metal case that exposes the flange portion and constitutes an outline of the body portion;
The flange portion protruding from the metal case is provided on one surface of the flange portion, which is a side that contacts the indoor surface of the mounting member at the periphery of the opening, and is provided on the side surface of the metal case. An insulating portion that enters between the side and the end of the attachment member at the periphery of the opening ,
The said insulation part is provided in the position in which a clearance gap is formed between the one side of the side surface of the said metal case, and the said insulation part . The equipment according to claim 1, wherein the insulating portion is provided along one side of the side surface of the metal case and covers an outer side of the one side surface of the metal case. The said insulating part is provided with a first insulating part having a first height and a second insulating part having a second height lower than the first height. Equipment equipment. The height of the first insulating portion is configured to be higher than the length obtained by adding the thickness of the attachment member at the periphery of the opening and the thickness of the reinforcing member that sandwiches the attachment member between the flange portion. The equipment according to claim 3, wherein The insulating part is provided at a plurality of locations along one side of the side surface of the metal case, and enters between one side of the side surface of the metal case and the end of the attachment member at the periphery of the opening. The equipment according to claim 1. The equipment according to claim 1, wherein the insulating portion is provided at a position where a gap is formed between an end portion of the opening and an outer peripheral surface of the insulating portion .

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