JP4017291B2 - Bathroom heating ventilator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bathroom heating and ventilating apparatus that simultaneously ventilates a bathroom and a separate room using a bathroom heating and ventilating apparatus installed on the ceiling of the bathroom.
[0002]
[Prior art]
In recent years, there has been a case where the bathroom and the dressing room cannot be sufficiently ventilated due to high airtightness of the house, and there has been a problem that mold is likely to occur on the wall and ceiling of the bathroom.
[0003]
Moreover, due to changes in housing circumstances, it is often difficult to secure a clothes drying place for drying laundry, and it has been proposed to use a bathroom or the like as a clothes drying place.
[0004]
In response to such a demand, for example, a bathroom heating and ventilating apparatus as disclosed in JP-A-10-73299 has been proposed.
[0005]
The bathroom heating and ventilating apparatus described in the above publication heats the bathroom air with a heat exchanger installed in the ceiling of the bathroom and is installed in the interior of the bathroom. While guiding air to the main body, this air was exhausted to the outside together with the air in the bathroom via an exhaust duct.
[0006]
[Problems to be solved by the invention]
However, in such a conventional technique, it is necessary to provide an inspection port in the ceiling near the duct connection part in order to perform duct connection work, which causes an increase in construction costs and a space for the inspection port. There was a problem that said it was necessary.
[0007]
Accordingly, an object of the present invention is to provide a bathroom heating and ventilating apparatus that can perform ventilation in a separate room adjacent to the bathroom at the same time and can be easily installed when a bathroom heating and ventilating apparatus is provided in the bathroom.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 is provided on a ceiling of a bathroom, and exhausts air in the bathroom and air in a separate room adjacent to the bathroom, and heating for heating the inside of the bathroom. A main body in which the main body is housed, an air inlet provided in the ceiling of the separate room, an air intake duct connected to the air inlet, an exhaust duct that guides exhaust from the main body to the outdoors, and the main body and the air intake duct And a bathroom heating / ventilating apparatus having a duct integrated pipe interposed between and connecting the main body and the exhaust duct, wherein the duct integrated pipe includes a duct joint connected to the main body, and the exhaust An exhaust duct connection portion connected to the duct and an intake duct connection portion connected to the intake duct. The duct joint portion is divided into two parts, and one of them is exhausted from the main body. A first end portion connecting the exhaust passage portion and the intake passage portion to the main body, and an exhaust passage portion through which air passes and an air intake passage portion through which air sucked into the main body passes. A second end portion connecting the exhaust duct connection portion to the exhaust duct connection portion and a third end portion connecting the intake passage portion to the intake duct connection portion, the exhaust duct connection portion and the intake duct connection The portion is configured to be connectable to both the second end portion and the third end portion of the duct joint portion.
[0009]
According to a second aspect of the present invention, a fourth end portion configured to connect the intake passage portion to the intake duct connection portion is provided at the duct joint portion, and is connected to the fourth end portion. A closing plate is provided, and the closing plate and the intake duct connecting portion are configured to be connectable to either the third end portion or the fourth end portion of the duct joint portion.
[0010]
The invention according to claim 3 is characterized by comprising the intake duct connecting portion having a straight pipe shape and the exhaust duct connecting portion having a straight pipe shape.
[0011]
The invention according to claim 4 is characterized in that the intake duct connection portion having a straight pipe shape and the exhaust duct connection portion having a curved pipe shape are provided.
[0012]
According to a fifth aspect of the present invention, the intake duct connection portion having a curved pipe shape and the exhaust duct connection portion having a curved pipe shape are provided.
[0013]
The invention according to claim 6 is characterized in that the duct joint portion is formed of an integrally molded product.
[0014]
According to a seventh aspect of the present invention, there is provided a damper portion between the duct joint portion and the exhaust duct connection portion, wherein a damper angle is set to be less than 90 degrees with respect to a horizontal plane to prevent backwind from the outdoors. It is provided.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIG. The bathroom heating ventilator 10 includes a main body 11 of the bathroom heating ventilator 10 installed on the ceiling of the bathroom, an intake port 18 installed on the ceiling of a separate room adjacent to the bathroom, and an intake duct connected to the intake port 18. 14, an exhaust duct 13 that guides exhaust from the main body to the outdoors, a main body 11 and an intake duct 14, a duct integrated pipe 12 that is interposed between and connects the main body 11 and the exhaust duct 13, and bathroom air And a heat source unit 15 for supplying hot water for heating the unit.
[0016]
Next, the main body 11 of the bathroom heating / ventilating apparatus 10 will be described with reference to FIGS. The main body 11 inhales the air in the bathroom and heats it, then heats it again, the ventilation part 32 that ventilates the air in the bathroom and another room adjacent to the bathroom, the heating part 31 and the ventilation part 32 A control unit 33 for driving and controlling, a main body case 34 for storing the heating unit 31, the ventilation unit 32, and the control unit 33, and a grill serving as an external portion of the main body 11 while sucking in bathroom air and blowing out heated air 20 etc.
[0017]
The grill 20 is provided with first to fourth louvers 22 to 25 so as to open and close the first to fourth outlets 26 to 29 in four peripheral portions, and warm air is generated by the first to fourth louvers 22 to 25. The blowing direction is set to an appropriate direction.
[0018]
In addition, an air filter is provided on the rear surface of the grill 20 so as to be attachable / detachable, and a panel 30 that can be opened and closed on the grill 20 and that can be attached / detached is provided.
[0019]
The inside of the main body case 34 is partitioned into a heating unit 31, a ventilation unit 32, and a control unit 33 by a partition plate 35, and at least the control unit 33 is prevented from entering air with high humidity in the bathroom.
[0020]
The heating unit 31 is formed in an approximately “U” shape having three sides, and a heat exchanger 36 that exchanges heat of the bathroom air with hot water circulated from the heat source unit 15, and heat exchange by sucking in the bathroom air A circulation blower 37 and the like are blown out to the bathroom as warm air through a vessel 36.
[0021]
The ventilation section 32 sucks in the bathroom ventilation inlet 38 provided in the inner cover 21 and receives the air in the bathroom and a separate room adjacent to the bathroom, and passes through the duct integrated pipe 12. A ventilation fan 39 that exhausts air to the exhaust duct 13, a claw plate 40 (see FIG. 5) that prevents the duct integrated pipe 12 connected to the main body case 34 from being removed from the main body case 34, and the like.
[0022]
Next, the duct integrated pipe 12 will be described with reference to FIGS. 5 and 6. The duct integrated pipe 12 includes a duct joint portion 41 connected to the main body case 34, an intake duct connection portion 44 having one end connected to the duct joint portion 41, a closing plate 43 connected to the duct joint portion 41, and one end. Has a damper portion 56 connected to the duct joint portion 41 for preventing backwind from the outdoors, and an exhaust duct connection portion 42 having one end connected to the damper portion 56.
[0023]
As shown in FIG. 5, the procedure for attaching the duct integrated pipe 12 to the main body case 34 is as follows. First, the hand is taken out from the inside of the main body case 34, and the duct integrated pipe 12 in which the exhaust duct 13 and the intake duct 14 are connected in advance is gripped. Then retract it inside the main body case 34. Thereafter, the nail plate 40 is inserted and the duct integrated pipe 12 is fixed to the main body case 34. As described above, since the duct connection work can be performed from within the main body case 34, it is not necessary to provide an inspection port on the ceiling near the main body 11, thereby preventing an increase in construction costs.
[0024]
Next, the duct joint portion 41 will be described with reference to FIG. The duct joint portion 41 is a substantially rectangular parallelepiped, and the inside thereof is divided into two, one of which forms an exhaust passage portion 45 through which air exhausted from the main body 11 passes, and the other, an intake passage through which air sucked into the main body 11 passes. A first end 71 that connects the exhaust passage 45 and the intake passage 46 to the main body 11, and the exhaust passage 45 is connected to the exhaust duct 13 via the damper portion 56 and the exhaust duct connection portion 42. The second end portion 72 connected to the intake duct portion 46, the third end portion 73 connecting the intake passage portion 46 to the intake duct 14 via the intake duct connection portion 44, and the intake passage portion 46 connected to the intake duct connection portion 44. And a fourth end 74 configured to be possible.
[0025]
Note that the configurations of the remaining second to fourth end portions 72, 73, and 74 with respect to the first end portion 71 of the duct joint portion 41 are not limited to the example of FIG. Various configurations may be adopted. Further, the duct joint portion 41 may not include the fourth end portion 74.
[0026]
Further, as described above, since the duct joint portion 41 has a complicated shape, if it is an assembly part made of a metal plate or the like, the number of parts is increased and the cost is increased. . Moreover, if it is an integrally molded product, air leakage between the exhaust passage 45 and the intake passage 46 can be prevented, and ventilation performance can be improved.
[0027]
Here, the flow of the air for ventilation of this bathroom heating ventilator 10 is demonstrated. The ventilation air in the bathroom is sucked into the ventilation fan 39 from the panel 30 of the main body 11 through the bathroom ventilation inlet 38. Further, the ventilation air in the separate room adjacent to the bathroom passes through the intake duct 18, the intake duct connecting portion 44, and the intake passage portion 46 of the duct joint portion 41 in order from the intake port 18 provided in the ceiling of the separate room, and the main body 11 is drawn into the ventilation fan 39 through the bathroom ventilation inlet 38. The ventilation air accelerated by the ventilation fan 39 and adjacent to the bathroom passes through the exhaust passage portion 45 of the duct joint portion 41, the exhaust duct connection portion 42, and the exhaust duct 13 in this order and exhausts to the outside. Is done.
[0028]
In FIG. 6, the exhaust duct connection portion 42 has a 90-degree curved pipe shape, but the present invention is not limited to this, and as shown in FIG. 8, a straight pipe shape (FIG. 8A). Any of the 45-degree bent pipe shapes (FIG. 8B) can be selected and used.
[0029]
Further, as shown in FIG. 9, the exhaust duct connection portion 42 has one end 81 relative to the second end portion 72 of the duct joint portion 41, and the screw through hole 92 and the second end portion 72 at the one end 81. By fastening the screws 91 together with the screw fastening holes 93, the air is not leaked from the connecting portions and is fixed to the duct joint portion 41, and the exhaust duct is connected to the other end 82 of the exhaust duct connecting portion 42. 13 is inserted and further fixed with tape.
[0030]
In FIG. 6, the intake duct connecting portion 44 has a straight pipe shape. However, the present invention is not limited to this, and as shown in FIG. 8, a 90-degree bent pipe shape (FIG. 8C). Any of the 45-degree bent pipe shapes (FIG. 8B) can be selected and used.
[0031]
Further, as shown in FIG. 9, the intake duct connection portion 44 has one end 81 relative to the third end portion 73 of the duct joint portion 41, and the screw through hole 92 and the third end portion 73 at the one end 81. By fastening the screws 91 together with the screw fastening holes 93, the air is not leaked from the connecting portions, and is fixed to the duct joint portion 41, and the other end 82 of the intake duct connecting portion 44 is connected to the intake duct. 14 is inserted and further fixed with tape.
[0032]
Further, the exhaust duct connection portion 42 and the intake duct connection portion 44 can be used interchangeably by forming one end 81 that becomes a connection portion with the duct joint portion 41 in the same shape. This makes it possible to select and replace a duct connection portion having a convenient shape at the installation site.
[0033]
The closing plate 43 is fixed to the fourth end 74 of the duct joint portion 41 with screws without leaking air so that the connection surfaces face each other.
[0034]
Further, the closing plate 43 and the intake duct connecting portion 44 can be used by replacing each other. For this reason, it is possible to fix the intake duct connection portion 44 to a convenient end portion of the third end portion 73 and the fourth end portion 74 of the duct joint portion 41 at the installation site.
[0035]
The damper portion 56 includes a damper outer frame 57, a damper 58, and a motor 59 for driving the damper. The damper 58 is configured to be opened and closed by inserting the shaft of the damper 58 into the hole at the upper end portion of the damper outer frame 57, so that the angle at the time of closing is less than 90 degrees with respect to the horizontal plane. Even if the motor 59 is not installed, the motor 59 is closed by its own weight.
[0036]
Moreover, the damper part 56 can also be installed in another place, and the duct integrated pipe 12 can also be implemented in the case of a configuration that does not include the damper part 56. The damper portion 56 can reduce the ventilation resistance at the time of opening by installing the motor 59. However, the damper portion 56 opens by ventilation of the ventilation fan 39 without providing the motor 59 and exhibits the function of preventing the back wind. be able to.
[0037]
In this way, air in a separate room adjacent to the bathroom is sucked into the bathroom heating / ventilating apparatus 10 through the intake duct 14 and exhausted through the exhaust duct 13 together with the bathroom air. Even in the case where the device 10 is provided, it is possible to ventilate a separate room adjacent to the bathroom, and to exhaust the air with a single exhaust duct 13, and to provide a dedicated ventilation device in the separate room adjacent to the bathroom. Thus, an increase in cost can be suppressed, and since it is not necessary to install the inspection port 55 on the ceiling, it is possible to prevent a decrease in workability.
[0038]
【The invention's effect】
As described above, according to the first aspect of the present invention, the duct integrated pipe is formed by the duct joint portion, the exhaust duct connection portion, and the intake duct connection portion, and the exhaust duct connection portion and the intake duct connection portion are duct joined. Since it can be connected to both the second end and the third end of the part, the construction work is facilitated and the bathroom heating / ventilating apparatus is provided only in the bathroom, for example. It is possible to ventilate a separate room adjacent to and exhaust with a single exhaust duct.
[0039]
According to the invention of claim 2, the duct integrated pipe is formed by the duct joint portion, the exhaust duct connection portion, the intake duct connection portion, and the closing plate, and the intake duct connection portion and the closing plate are the third of the duct joint portion. By being configured to be connectable to either the end portion or the fourth end portion, it is possible to replace the intake duct connecting portion and the blocking plate at the time of construction, and the construction work is facilitated.
[0040]
According to the invention of claim 3, since it is composed of a straight pipe-shaped intake duct connecting portion and a straight pipe-shaped exhaust duct connecting portion, assembly work of the duct integrated pipe is facilitated and construction work is performed. Becomes easier.
[0041]
According to the invention concerning Claim 4, since it is comprised by the intake duct connection part made into the straight pipe shape and the exhaust duct connection part made into the curved pipe shape, construction work becomes easy.
[0042]
According to the fifth aspect of the present invention, since it is composed of a bent pipe-shaped intake duct connecting portion and a bent pipe-shaped exhaust duct connecting portion, assembly work of the duct integrated pipe is facilitated and construction work is performed. Becomes easier.
[0043]
According to the sixth aspect of the present invention, since the duct joint portion is made of an integrally molded resin part or the like, the ventilation performance by preventing air leakage can be improved and the cost can be reduced.
[0044]
According to the seventh aspect of the present invention, a damper portion is provided between the duct joint portion and the exhaust duct connection portion to prevent back wind, and the angle at the time of closing the damper is reduced by several degrees from 90 degrees with respect to the horizontal plane. Prevents wind leakage when closed.
[Brief description of the drawings]
FIG. 1 is a schematic view showing an installed state of a bathroom heating / ventilating apparatus according to an embodiment of the present invention.
FIG. 2 is an external perspective view of a main body of a bathroom heating ventilator.
3 is a perspective view of a bathroom heating and ventilating apparatus showing an internal configuration in which a grill is removed from the state of FIG. 2. FIG.
4 is an exploded perspective view of a bathroom heating and ventilating apparatus showing an internal configuration in which the internal cover is further removed from the state of FIG. 3. FIG.
FIG. 5 is an exploded perspective view showing a positional relationship among a duct integrated pipe, an exhaust duct, an intake duct, and a main body case.
FIG. 6 is an exploded perspective view of a duct integrated pipe.
7A and 7B show a duct joint portion. FIG. 7A is a top view of the duct joint portion 41, FIG. 7B is a front view of the duct joint portion 41, and FIG. A left side view of the duct joint portion 41, FIG. 7D is a right side view of the duct joint portion 41.
8A to 8C are top views of three types of duct connecting portions. FIG.
FIG. 9 is an exploded perspective view showing a method of assembling the duct joint portion, the exhaust duct connection portion, and the intake duct connection portion.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Bathroom heating ventilator 11 Main body 12 Duct integrated pipe 13 Exhaust duct 14 Intake duct 34 Main body case 41 Duct joint part 42 Exhaust duct connection part 44 Intake duct connection part

Claims (7)

Provided on the ceiling of the separate room, provided on the ceiling of the bathroom, a main body storing a ventilation unit for exhausting the air of the bathroom and the air of a separate room adjacent to the bathroom, and a heating unit for heating the interior of the bathroom An air intake port, an air intake duct connected to the air intake port, an exhaust duct for guiding exhaust from the main body to the outdoors, the main body and the air intake duct, and the main body and the exhaust duct, In a bathroom heating and ventilating device having a duct integrated pipe connecting these,
The duct integrated pipe is composed of a duct joint connected to the main body, an exhaust duct connection connected to the exhaust duct, and an intake duct connection connected to the intake duct.
The duct joint portion is divided into two parts, one of which forms an exhaust passage portion through which air exhausted from the main body passes, and the other of which forms an intake passage portion through which air sucked into the main body passes. A first end portion connecting the exhaust passage portion and the intake passage portion to the main body, a second end portion connecting the exhaust passage portion to the exhaust duct connection portion, and the intake passage portion connected to the intake duct connection portion. And a third end connected to the
The bathroom heating and ventilating apparatus is configured such that the exhaust duct connection portion and the intake duct connection portion can be connected to either the second end portion or the third end portion of the duct joint portion. The duct joint is provided with a fourth end configured to be connectable to the intake duct connecting portion to the intake duct connecting portion, and a closing plate connected to the fourth end is provided. The bathroom heating and ventilating apparatus according to claim 1, wherein the air intake duct connecting portion is configured to be connectable to both a third end portion and a fourth end portion of the duct joint portion. The bathroom heating and ventilating apparatus according to claim 1 or 2, comprising the intake duct connection portion having a straight pipe shape and the exhaust duct connection portion having a straight pipe shape. The bathroom heating / ventilation apparatus according to claim 1 or 2, comprising the intake duct connection portion having a straight pipe shape and the exhaust duct connection portion having a bent pipe shape. The bathroom heating ventilator according to claim 1 or 2, comprising the intake duct connection portion having a curved pipe shape and the exhaust duct connection portion having a curved pipe shape. The bathroom heating / ventilating apparatus according to claim 1, wherein the duct joint portion is an integrally molded product. The damper part which prevents the back wind from the outdoors where the angle at the time of closing was set to be several degrees less than 90 degrees with respect to a horizontal plane was provided between the duct junction part and the exhaust duct connection part. The bathroom heating ventilator according to 1 to 5.

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