JP3503093B2 - Bathroom ventilation dryer - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathroom ventilation dryer for ventilating and drying a bathroom. 2. Description of the Related Art Various types of bathroom ventilation dryers are known. For example, as disclosed in JP-A-49-43254, a bathroom ventilation dryer in which a blower, a heater, and a damper are attached to a main body having an inlet, an outlet, and an outlet is known. [0003] In this bathroom ventilation dryer, the air in the bathroom is discharged to the outside through the ventilation port by driving the blower with the blower outlet closed with the damper, so that the bathroom can be ventilated. By driving the blower with the air outlet opened with the damper, the air in the bathroom is diverted to the air outlet and the ventilation port and discharged, so that cool air can be sent into the bathroom.
If electricity is supplied to the heater in the above-described state, the bathroom is dried and the bathroom can be used as a drying room. Further, as disclosed in Japanese Utility Model Laid-Open Publication No. 3-34497, there is known an apparatus in which a blower fan rotated by a fan motor, a heater, and a damper are provided in a main body having an inlet, an outlet, and a vent. ing. [0005] In this bathroom ventilation dryer, if the blower fan is rotated by a fan motor in a state where the blower outlet is closed and the ventilation opening is opened by a damper, the air in the bathroom is exhausted to the outside to ventilate the bathroom. it can. By energizing the heater and rotating the blower fan by the fan motor with the vent opening closed and the ventilation opening closed by the damper, the air in the bathroom can be heated and sent back to the bathroom to heat the bathroom. As disclosed in Japanese Utility Model Publication No. 7-22231, there is known a bathroom ventilation / dryer provided with a blower fan, a ventilation fan, and a heater in a main body having a suction port, an air outlet, and a ventilation port. I have. [0007] In this bathroom ventilation dryer, the air in the bathroom can be circulated by the blower fan, and a part of the air in the bathroom can be exhausted to the outside by the ventilation fan. It has four functions: drying in the bathroom, heating in the bathroom, ventilation in the bathroom, and sending cool air into the bathroom, based on the combination of stopping and energizing the heater. [0008] Japanese Patent Laid-Open No. 49-4325
In the first bathroom ventilation dryer disclosed in Japanese Patent Application Publication No. 4 (1999) -1995, the suction port and the ventilation port are always in communication, and when the blower is driven by energizing the heater with the blower outlet opened by the damper, A portion of the air in the bathroom is heated by the heater and sent into the bathroom, and at the same time, a portion of the air in the bathroom is exhausted from the ventilation openings. Can be dried, and if the heater is not energized, air can be circulated in the bathroom while ventilating to send cool air into the bathroom. However, since this bathroom ventilation dryer always discharges a part of the air in the bathroom to the outside, a part of the air in the bathroom is discharged to the outside even when heating the bathroom in winter or the like. The inside cannot be heated efficiently. A second bathroom ventilation dryer disclosed in Japanese Utility Model Laid-Open Publication No. 3-34497 is for ventilating or heating by closing one of an air outlet and a ventilation port and opening the other to ventilate or heat the bathroom. Since the air cannot be diverted to the outside and discharged, the bathroom cannot be dried by heating while ventilating the bathroom, and the air cannot be circulated into the bathroom while ventilating to send cool air into the bathroom. In order to dry the interior of the bathroom with the above-mentioned second bathroom ventilation dryer, for example, after heating is performed for 50 minutes, ventilation is performed for 10 minutes, and the air in the bathroom having a high humidity is discharged to the outside. This operation is repeated, so that the drying time becomes long and the bathroom cannot be efficiently dried, and the operation control becomes complicated. [0011] The third bathroom ventilation dryer disclosed in Japanese Utility Model Publication No. 7-22231 is provided with a fan for ventilation, a ventilation motor and a ventilation fan, and a ventilation motor.
Large, heavy and expensive. Accordingly, an object of the present invention is to provide a bathroom ventilation dryer capable of solving the above-mentioned problems. According to the present invention, there is provided a main body A having a suction port 6, an air outlet 7, and a ventilation port 8, and air blown by sucking air from the air inlet 6 provided in the main body A. A blower fan 17 that discharges air toward the outlet 7 and the ventilation port 8, an electric motor 18 that rotates the blower fan 17, and a heater 15 that is provided at the blowout port 7 of the main body A and generates heat when energized.
And an electric motor for a damper provided in the main body A.
33, a damper 30 that moves to a branch position, a first position, and a second position, the heater 15, the electric motor 18,
A control unit 40 for controlling energization to the electric motor 33 for bumpers
The provided air outlet when the damper 30 is diverted position 7
And the air is diverted from the ventilation port 8 and discharged. When the damper 30 is in the first position, the air is discharged only from the ventilation port 8, and when the damper 30 is in the second position, the air is discharged only from the outlet 7. The control unit 40 includes a drying switch 42
The heater 15 is energized by a signal from the
Power to rotate the blower fan 17, and an electric motor for the damper.
Heater 33 to set the damper 30 to the shunt position,
The heater 15 is energized by a signal from the switch 43,
Power to the fan 18 to rotate the fan 17
Power to the electric motor 33, and the damper 30 is ranked second.
And the electric motor 18 is controlled by a signal from the ventilation switch 44.
To the fan 17 to rotate the blower fan 17,
Energizing the dynamic motor 33 to set the damper 30 in the first position,
Energize the electric motor 18 with a signal from the cool air switch 45
Then, the electric motor 33 for the damper is energized to
Is a branch flow position . According to the present invention, the drying switch 42 is operated.
As a result, the heater 15 generates heat at the branch position of the damper 30.
In this state, the blower fan 17 rotates, sucks air in the bathroom, discharges a part of the air to the outside through the ventilation port 8, and heats the remaining air by the heater 15 to blow it out into the bathroom. Therefore, the high humidity air in the bathroom can be discharged to the outside while the interior of the bathroom is heated, and the bathroom can be dried efficiently. By operating the heating switch 43, the
Air is blown while par 30 is in the second position and heater 15 is generating heat.
The fan 7 rotates, sucks air in the bathroom, heats the air with the heater 15, and blows out the entire amount from the outlet 7 into the bathroom. Therefore, the bathroom can be efficiently heated.
By operating the ventilation switch 44, the damper 3
0 is the first position and air is blown in a state where power is not supplied to the heater 15.
The fan 17 rotates to draw in the air in the bathroom and exhaust the entire amount to the outside through the ventilation port 8. Therefore, the bathroom can be efficiently ventilated. Also, the cool air switch 45 is operated.
As a result, the heater 15 is energized when the damper 30 is in the branch position.
In this state, the blower fan 17 rotates to suck air in the bathroom, discharge a part of the air to the outside through the ventilation port 8, and blow the remaining air into the bathroom from the outlet 7. Therefore, the air in the bathroom can be circulated while ventilating, and cool air can be sent into the bathroom, so that the bathroom in summer can be made comfortable for the bathroom user. As described above, the bathroom can be dried, heated and ventilated, cool air can be blown into the bathroom, and only one blower fan 17 and one electric motor 18 are used.
It is a small, lightweight and inexpensive bathroom ventilation dryer. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1, 2 and 3,
The main body A is configured as follows. A box body 4 having a lower surface opened by a pair of opposing first side plates 1, a pair of opposing second side plates 2, and a top plate 3. A partition plate 5 is attached to the lower part of the inner surface of the box 4 in parallel with the top plate 3. This partition plate 5 has an inlet 6 called a bell mouth.
And an outlet 7 are formed. The one first side plate 1 has a ventilation port 8 formed therein. As described above, the main body A is a box-shaped body, and has a suction port 6 and a discharge port 7 on its lower surface, and a ventilation port 8 on its side surface. The lower edges of the first side plate 1 and the second side plate 2 are bent to form mounting pieces 1a, 2a. As shown in FIG. 1, each of the mounting pieces 1a and 2a is fixed to a mounting member 10 for mounting a ceiling 9 of a bathroom with a wood screw 11, and the main body A is mounted on the ceiling 9 of the bathroom. Thereby, the inlet 6 and the outlet 7 are open in the bathroom. A decorative frame 12 is mounted on the ceiling 9 of the bathroom, and the decorative frame 12 prevents the main body A from being seen from the bathroom. The decorative frame 12 is provided with a suction ventilation section 13 facing the suction port 6 and a blowing ventilation section 14 facing the blowout port 7. A heater 15 that generates heat when energized is attached to the outlet 7 of the main body A. A blower 16 is attached to the main body A. The blower 16 includes a blower fan 17 such as a sirocco fan, an electric motor 18 and a sirocco fan casing 19. The blower fan 17 faces the suction port 6 and the electric motor 18 is mounted on the top plate 3. By driving the electric motor 18, the blower fan 17 rotates to suck air from the suction port 6, and the air outlet 7, the ventilation port 8
To be ejected. The casing 19 has a substantially semicircular portion 19 provided along the blower fan 17 as shown in FIG.
a, and a linear portion 19b protruding to the ventilation opening 8 continuously with the substantially semicircular portion 19a. The casing 19, one of the second side plates 2 and the top plate 3 constitute an air passage 20 of the blower fan 17. The outlet 7 and the ventilation opening 8 are open to the air passage 20. A notch 3a is formed in a portion between the one second side plate 2 and the linear portion 19b of the casing 19 in a portion of the top plate 3 near the ventilation opening 8, and a second notch 3a is formed.
A portion of the side plate 2 and the straight portion 19 b near the ventilation opening 8 is inclined upward, and an auxiliary plate 21 is attached between the inclined portion and the top plate 3. Accordingly, the vertical dimension of the ventilation port 8 is increased to be substantially the same as the horizontal dimension. The ventilation opening 8
A duct joint 22 is attached to an outer opening edge of the duct, and a duct 23 is connected to the duct joint 22. In this way, the opening area of the ventilation port 8 can be increased without increasing the overall height of the main body A. The one second side plate 2 and the casing 19
A damper 30 is attached to the linear portion 19b (the air passage 20) so as to be vertically swingable by a damper shaft 31. This damper shaft 31 is rotated by an electric motor 33 via a speed reducer 32. The damper 30 swings between a shunt position a shown by a solid line in FIG. 1, a first position b shown by a one-dot chain line, and a second position c shown by a two-dot chain line. For example, when the electric motor 33 is a pulse motor, and the pulse motor is rotated by a set number of rotations, the damper shaft 31 rotates by a predetermined rotation angle to swing the damper 30 to each of the above positions and stop.
In addition, it is assumed that a reduction gear is incorporated in the synchronous motor, and the damper 30 is rocked to each of the front positions and stopped by using a motor incorporating position detection and a lock mechanism at three angles of the output shaft. Is also good. When the damper 30 is at the branch position a, the air passage 20 opens to the outlet 7 and the ventilation opening 8. Damper 30
Is in the first position b, the air passage 20 and the ventilation opening 8 are opened, and the air passage 20 and the outlet 7 are closed. When the damper 30 is in the second position c
At this time, the air passage 20 opens to the outlet 7, and the air passage 20 and the ventilation opening 8 are closed. The heater 15, the electric motor 18 of the blower 16, and the electric motor 33 for the damper are controlled by a control unit 40 as shown in FIG. 4, and the control unit 40 receives various operation mode signals from an operation switch 41. Will be entered.
The operation switch 41 includes a drying switch 42, a heating switch 43, a ventilation switch 44, a cool air switch 45, and a stop switch 46. Next, the operation will be described. (Operation for Drying the Bathroom) The drying switch 42 is operated to input a drying operation mode signal to the control unit 40. Control unit 4
From 0, the heater 15 is energized, the electric motor 18 is energized to rotate the blower fan 17, and the electric motor 33 is energized to set the damper 30 at the branch position a. As a result, the air in the bathroom is sucked through the suction port 6 and discharged into the air passage 20, and a part of the air is supplied to the ventilation port 8.
Since the air is further discharged to the outside, the high humidity air in the bathroom is discharged to the outside. The remaining air is blown into the bathroom from the outlet 7 through the heater 15. At this time, the air blown into the bathroom is heated by the heater 15. Therefore, the high-humidity air in the bathroom can be exhausted to the outside while heating the bathroom, and the bathroom can be dried, so that the bathroom can be used as a drying room. (Operation for Heating the Bathroom) Heating Switch 4
3 to input a heating operation mode signal to the control unit 40. The heater 15 is energized by the control unit 40 and the electric motor 1
8 to rotate the fan 17 for blowing air,
3 to set the damper 30 to the second position c. As a result, the air in the bathroom is sucked in from the suction port 6 and discharged into the air passage 20, and the whole amount of the air is blown out from the outlet 7 into the bathroom through the heater 15, and a part of the sucked air is ventilated. It is not discharged outside through the mouth 8. At this time, the air blown into the bathroom is supplied to the heater 1.
Heat at 5. Therefore, the bathroom can be efficiently heated. (Operation for ventilating the bathroom) Ventilation switch 4
4 is operated to input a ventilation operation mode signal to the control unit 40. The control unit 40 energizes the electric motor 18 to rotate the blower fan 17 and energizes the electric motor 33 to set the damper 30 to the first position b. As a result, the air in the bathroom is sucked in from the suction port 6 and discharged into the air passage 20, and the whole amount of the air is discharged to the outside through the ventilation port 8, and the sucked air is blown out into the bathroom. There is no. Therefore, the bathroom can be efficiently ventilated. In this case, the electric motor 18 of the blower 16 may be switched between high speed and low speed to switch the ventilation between two types, strong and weak. (Operation of sending cool air into the bathroom) A cool air switch 45 is operated to input a cool air operation mode signal to the control unit 40. The control unit 40 energizes the electric motor 18 to rotate the blower fan 17 and energizes the electric motor 33 to set the damper 30 to the branch position a. As a result, the air in the bathroom is sucked through the suction port 6 and discharged into the air passage 20, and a part of the air is supplied to the ventilation port 8.
The air is further discharged to the outside, and the remaining air is blown out of the outlet 7 into the bathroom. Therefore, the air in the bathroom can be circulated while ventilating, so that cool air can be blown into the bathroom, and the bathroom in summer can be made comfortable for the user of the bathroom. The operation in each of the above operation modes is stopped by operating the stop switch 46 and inputting a stop signal to the control unit 40. According to the first aspect of the present invention, the drying switch
By operating the switch 42, the damper 30 is moved to the branch position.
Blower fan 17 rotates with heater 15 generating heat
Then , the air in the bathroom is sucked in, a part of the air is exhausted to the outside through the ventilation port 8, and the remaining air is heated by the heater 15 and blown out into the bathroom. Therefore, the high humidity air in the bathroom can be discharged to the outside while the interior of the bathroom is heated, and the bathroom can be dried efficiently. Also, the heating switch 43 is operated.
By operating, the damper 30 is in the second position and the heater 15 is
The blower fan 7 rotates in a state where heat is generated , sucks air in the bathroom, heats the air with the heater 15, and
Blow out the whole amount into the bathroom. Therefore, the bathroom can be efficiently heated. Also, operate the ventilation switch 44
As a result, the heater 15 is energized when the damper 30 is in the first position.
In a state where the air is not blown, the blower fan 17 rotates, sucks air in the bathroom, and discharges the entire amount to the outside through the ventilation port 8. Therefore, the bathroom can be efficiently ventilated. In addition, cool breeze sui
When the switch 45 is operated, the damper 30
Fan 15 is turned on with no power
Then , the air in the bathroom is sucked in, a part of the air is discharged to the outside through the ventilation port 8, and the remaining air is blown out from the outlet 7 into the bathroom. Therefore, the air in the bathroom can be circulated while ventilating, and cool air can be sent into the bathroom, so that the bathroom in summer can be made comfortable for the bathroom user. As described above, the bathroom can be dried, heated, and ventilated, and cool air can be blown into the bathroom. Further, since only one blower fan 17 and one electric motor 18 are used, a small-sized It becomes a small and inexpensive bathroom ventilation dryer.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view of an attached state showing an embodiment of the present invention. FIG. 2 is a sectional view taken along line BB of FIG. FIG. 3 is a perspective view of a bathroom ventilation dryer. FIG. 4 is a control circuit diagram. [Description of Signs] A: Main body, 4: Box body, 5: Partition plate, 6: Suction port, 7: Blow-off port, 8: Ventilation port, 15: Heater, 17: Fan for blowing, 18: Electric motor, 30 ... damper.

Claims (1)

(57) Claims 1. A main body A having a suction port 6, an air outlet 7, and a ventilation port 8, and an air outlet 7 provided in the main body A and sucking air from the air inlet 6. Fan 17 for discharging air toward ventilation port 8
An electric motor 18 for rotating the blower fan 17; a heater 15 provided in the outlet 7 of the main body A to generate heat when energized ; and an electric motor 33 provided in the main body A for a damper.
The heater 15, the electric motor 18 and the electric motor for the damper.
And a control unit 40 for controlling current applied to the chromatography data 33, when the damper 30 is diverted position is discharged by shunting the air from the air outlet 7 and ventilation opening 8, when the damper 30 is in the first position than vent 8 Only the air is exhausted and the damper 30
Heating In There when the second position is configured to be discharged only air from the air outlet 7, the control unit 40, the signal from the drying switch 42
Energizer 15 and the electric motor 18 to energize
The electric motor 33 for the damper.
From the heating switch 43
The heater 15 is energized by the signal of
Electric fan for damper
33, the damper 30 is set to the second position, and the ventilation switch is
The electric motor 18 is energized by a signal from the switch 44 to blow air.
The fan 17 is rotated and passed through the electric motor 33 for damper.
The damper 30 to the first position and the cool air switch 45
The electric motor 18 is energized by a signal from the
When the motor 33 is energized, the damper 30 is set at the branch position.
And a bathroom ventilation dryer.