JP5223479B2 - Ventilation equipment - Google Patents

Description

  The present invention relates to a ventilator provided with a power connection terminal electrically connected to a motor.

  2. Description of the Related Art Conventionally, as this type of ventilator, there has been known one in which an electrical case having a power connection terminal is disposed in a main body frame (see, for example, Patent Document 1).

  Hereinafter, the ventilator will be described with reference to FIG.

As shown in FIG. 8, a flange portion 103 formed with a recess 102 is provided on the back side of a ventilation fan body 101 provided with a fan motor 100, and two power connection terminals electrically connected to the fan motor 100 in the recess 102. A protective case 105 that houses 104 is disposed.
Japanese Patent Laying-Open No. 2006-250434 (FIG. 1)

  Such a conventional ventilation device is attached so that the flange portion 103 is brought into contact with the wall surface and protrudes to the indoor side, but the power connection terminal 104 is accommodated in the concave portion 102 formed on the back side of the flange portion 103. Since the protective case 105 is provided, the flange portion 103 needs to rise for the thickness of the protective case 105, and there is a problem that the projecting dimension from the wall surface to the room increases.

  This invention solves such a conventional subject, and it aims at providing the ventilation apparatus which made the protrusion dimension to the indoor side small.

In order to achieve the above object, the ventilator of the present invention includes a wind tunnel pipe that penetrates a wall or a ceiling, a cylindrical portion that is inserted into the wind tunnel pipe and has a fan motor provided therein, A flange portion projecting radially on the outer periphery of the indoor opening of the tubular portion, a plurality of motor support legs for holding the fan motor on the tubular portion, and a grille detachably attached to the flange portion. A recess that opens outward is provided in one of the plurality of motor support legs, and an electrical component including a power connection terminal connected to the fan motor is provided in the recess, and the interior of the wind tunnel pipe It provided a lid for partitioning the air passage openably, there is provided a power wire insertion opening for inserting the power cable on the side surface of the wind tunnel pipe, which was then fixed to the electrical component on the rear surface of the lid is there.

  Another means is that the wind tunnel pipe is slidably fitted to the first wind tunnel pipe and the second wind tunnel pipe having different diameters and fixed at an arbitrary position.

According to the present invention, a wind tunnel pipe provided through a wall portion or a ceiling, a cylindrical portion inserted into the wind tunnel pipe and provided with a fan motor therein, and an outer periphery of the indoor opening of the cylindrical portion And a plurality of motor support legs for holding the fan motor in the cylindrical part, and a grille detachably attached to the flange part. A concave portion opened outward is provided, and an electrical component including a power connection terminal connected to the fan motor is provided in the concave portion, and a lid that partitions the air channel in the wind tunnel pipe can be freely opened and closed. to provided, there is provided a power wire insertion opening for inserting the power cable on the side surface of the wind tunnel pipe, by which is fixed to the electrical component on the rear surface of the lid, event, internally provided electric components Motor Even water droplet enters the recess of Jiashi, and be physically separation between the water droplets of electrical equipment and in the recess, there is no occurrence of tracking or the like, more reliability is high.

  In addition, the wind tunnel pipe is provided with a power cable insertion port by slidingly fitting a first wind tunnel pipe and a second wind tunnel pipe having different diameters and fixing them at an arbitrary position. Since the length of the wind tunnel pipe can be adjusted so as to adapt to different wall thickness depending on the part or the like, the construction becomes easy.

Ventilation apparatus according to claim 1 of the present invention, a wind tunnel pipe penetrating through a wall or ceiling, a cylindrical portion which the fan motor is provided inside and inserted into the wind tunnel pipe, the cylindrical portion A flange portion projecting radially on the outer periphery of the indoor opening, a plurality of motor support legs for holding the fan motor in the tubular portion, and a grille detachably attached to the flange portion, A recess opening outward is provided in one of the plurality of motor support legs, and an electrical component including a power connection terminal connected to the fan motor is provided in the recess, and an air path in the wind tunnel pipe openably a cover which separates the provided, there is provided a power wire insertion opening for inserting the power cable on the side surface of the wind tunnel pipe, which has fixed the electrical components on the back side of the lid, electrical Product and recess The physical separation can be secured between.

The ventilation device according to claim 2 is configured such that the wind tunnel pipe is slidably fitted to the first wind tunnel pipe and the second wind tunnel pipe having different diameters and fixed at an arbitrary position. Yes, the wind tunnel pipe can easily cope with the difference in wall thickness due to the wall or the like.

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

(Embodiment 1)
As shown in FIGS. 1 to 3, the ventilator according to the first embodiment of the present invention is provided with a wind tunnel pipe that is provided on the outer wall so as to penetrate the room and the outdoors, or that is provided on the ceiling so as to penetrate the room and the back of the ceiling. 1, a cylindrical portion 4 that is inserted and attached to the wind tunnel pipe 1, has a fan motor 3 provided therein via a motor support leg 2, and forms a ventilation path, and an outer periphery of the indoor side opening 5 of the cylindrical portion 4. A flange portion 6 that projects in a substantially square shape in the radial direction and is fixed in contact with a wall surface on the indoor side, and a grill 7 that covers the indoor side opening 5 of the tubular portion 4 and is detachably attached to the flange portion 6. Become.

  A plurality of motor support legs 2 are provided, and the upper motor support leg 2A disposed at the upper part thereof is formed with a concave portion 8 that opens outwardly, and the concave portion 8 is connected to the fan motor 3 by a lead wire. An electrical component 10 including a connected power connection terminal 9 and, for example, a protector or the like is provided internally. Moreover, as shown in FIG. 4, the recessed part 8 is provided with a lid 11 that partitions the inside of the recessed part 8 and the air passage in the wind tunnel pipe 1 so that it can be opened and closed.

  Further, the wind tunnel pipe 1 is provided with a power supply wire insertion port 12 to be inserted in order to draw a power supply wire connecting the power supply connection terminal 9 and the power supply inward.

  1 to 3 are shown in a state where the wind tunnel pipe 1 is transparent and the lid 11 is not attached so that the configuration inside the wind tunnel pipe 1 can be easily understood.

  The ventilator having the above configuration is installed on the outer wall or the like as follows.

  A power supply wire is wired in the wall to the vicinity of the ventilator installation location, and the power supply wire is once drawn indoors from the opening of the outer wall or the like to which the wind tunnel pipe 1 is attached, and inserted into the inside through the power supply wire insertion port 12 of the wind tunnel pipe 1 . The wind tunnel pipe 1 is attached to the outer wall or the like in a state where the power supply wire inserted inside the wind tunnel pipe is pulled out from the opening on the end side. Then, the lid 11 provided in the concave portion 8 of the upper motor support leg 2A is removed and opened, the power cable is connected to the power connection terminal 9, and the lid 11 is attached again and closed. After this connection work, the cylindrical portion 4 is inserted into the wind tunnel pipe 1, the flange portion 6 is attached to a wall surface on the indoor side, and the grill 7 is attached to the flange portion 6.

  As described above, in the ventilating apparatus according to the first embodiment, the electrical component 10 including the power connection terminal 9 is installed in the concave portion 8 of the upper motor support leg 2A located in the wind tunnel pipe 1, and the chamber of the flange portion 6 is provided. It is not necessary to form a recess having a size for housing the electrical component 10 on the back side that is in contact with the inner wall surface, and the rising dimension of the flange portion 6 protruding to the indoor side can be reduced.

  In addition, since the electrical component 10 is provided in the recess 8 formed in the upper motor support leg 2A among the plurality of motor support legs 2, rainwater or the like that enters from the wind tunnel pipe 1 and adheres to the inside and flows down. The water droplets do not flow to the electrical component 10 side, and the occurrence of tracking or the like in the electrical component 10 due to the water droplets can be prevented.

  Further, since the electrical component 10 is provided in the recess 8 and is partitioned from the air path in the wind tunnel pipe 1 by the lid 11, it does not receive the adhesion of dust in the air path or the wind pressure of the ventilation flow, It will be protected.

  In addition, since the power supply wire can be pulled in from the power supply wire insertion port 12 provided in the wind tunnel pipe 1 and connected to the power supply connection terminal provided in the interior, a hole for drawing the power supply wire is opened in the indoor side wall and the indoor side Since it is not necessary to fix the power connection terminal to the housing, the construction becomes easy.

(Embodiment 2)
As shown in FIG. 5, the ventilator according to the second embodiment of the present invention is a lid that can open and close the electrical component 10 in the recess 8 of the upper motor support leg 2 </ b> A with respect to the ventilator according to the first embodiment. 11 is characterized in that it is fixed to the back surface.

  Here, the depth of the recess 8 is set such that a predetermined separation distance is obtained between the lower end surface of the electrical component 10 fixed to the back surface of the lid 11 and the bottom surface of the recess 8.

  With the above configuration, even if a water droplet such as rainwater enters from the wind tunnel pipe 1 and enters the recess 8 of the upper motor support leg 2A, a physical separation distance is secured between the water droplet and the electrical component 10. The tracking of the electrical component 10 does not occur. Note that the separation distance between the lower end surface of the electrical component 10 and the bottom surface of the recess 8 is desirably 5 mm or more in consideration of the fact that water droplets do not come into contact with the electrical component 10 due to surface tension.

  In addition, since the power connection terminal 9 is fixed to the detachable lid 11, the connection work of the power supply wire can be held only by the lid 11 in the hand, so that the workability is improved.

(Embodiment 3)
As shown in FIG. 6, the ventilator according to the third embodiment of the present invention is different from the ventilator according to the first embodiment in that the wind tunnel pipe 1A includes a first wind tunnel pipe 1a and a first wind tunnel pipe having a diameter. It is characterized in that it is slidably fitted to a second wind tunnel pipe 1b that is slightly larger than the diameter of 1a.

  By the way, there are various types of building outer walls, ranging from thick to thin depending on the building.

  Against such a background, the wind tunnel pipe 1A of the third embodiment adjusts the overall length by sliding the first wind tunnel pipe 1a and the second wind tunnel pipe 1b so as to match the wall thickness of the outer wall to be attached. In addition, by fixing the first wind tunnel pipe 1a and the second wind tunnel pipe 1b at the place after adjustment, it is possible to easily cope with one type of wind tunnel pipe 1A without cutting the pipe. Installation workability is further improved.

(Embodiment 4)
As shown in FIG. 7, the ventilator according to the fourth embodiment of the present invention penetrates the partition wall 14 that partitions between the two adjacent rooms 13 </ b> A and 13 </ b> B with respect to the ventilator according to the first embodiment. It is characterized in that it is a ventilation device provided with a pipe 1. The components such as the cylindrical portion 4, the fan motor 3, and the motor support leg 2 are the same as those in the first embodiment.

  The ventilation device of the fourth embodiment blows air from one adjacent room 13A to the other room 13B, and when only the room 13B has a ventilation fan installed, the ventilation device 13A has no ventilation fan. It is operated when ventilation or air conditioned in the room 13A is blown to the room 13B which is not air-conditioned to air-condition both rooms 13A and 13B.

  The ventilation device installed for such an application is attached in a state where the flange portion 6 is in contact with the partition wall 14 located inward of the living room 13A from the outer wall side, and the grill 7 attached to the flange portion 6 is Although it is easily noticeable, since the rising dimension of the flange portion 6 is small, the protruding dimension of the grill 7 toward the indoor side can be reduced, and the effect of not deteriorating the interior property becomes more remarkable.

  The ventilator according to the present invention has an effect that the electrical component is arranged in the wall portion, and the dimension protruding from the wall surface can be reduced, and the main body is attached to the wind tunnel pipe provided through the wall portion and the like. Useful for ventilation devices to be inserted.

The rear side perspective view which shows the ventilation apparatus of Embodiment 1 of this invention Rear view of the ventilator Exploded perspective view of the ventilation device Perspective view of motor support leg and lid of the ventilation device The perspective view of the motor support leg and lid | cover of the ventilation apparatus of Embodiment 2 of this invention The perspective view of the wind tunnel pipe of Embodiment 3 of this invention Sectional drawing at the time of installation which shows the ventilator of Embodiment 4 of this invention Rear perspective view showing a conventional ventilation fan

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wind tunnel pipe 1A Wind tunnel pipe 1a 1st wind tunnel pipe 1b 2nd wind tunnel pipe 2 Motor support leg 2A Upper motor support leg 3 Fan motor 4 Cylindrical part 5 Indoor side opening 6 Flange part 7 Grill 8 Recess 9 Power connection terminal 10 Electrical component 11 Lid 12 Power supply wire insertion port 13A Living room 13B Living room 14 Partition wall

Claims (2)

A wind tunnel pipe penetrating through the wall or ceiling, a cylindrical portion inserted into the wind tunnel pipe and provided with a fan motor inside, and projecting radially in the outer periphery of the indoor side opening of the cylindrical portion A flange portion; a plurality of motor support legs for holding the fan motor in the cylindrical portion; and a grille detachably attached to the flange portion, and outwardly connected to one of the plurality of motor support legs. An open recess is provided, and an electrical component including a power connection terminal connected to the fan motor is provided in the recess, and a lid for partitioning from the air path in the wind tunnel pipe is provided to be openable and closable. be those provided power wire insertion opening for the side of inserting the power cable, the ventilation device characterized in that fixed to the electrical component on the rear surface of the lid. Wind tunnel pipe, different first wind tunnel pipe and slidably fitted in the second wind tunnel pipe, according to claim 1 Symbol placing the ventilator, characterized in that for fixing at any point diameter.

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