JPH11264592A - Heat exchange type ventilating unit and ventilator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low and thin heat exchange type ventilating unit. SOLUTION: A low and thin heat exchange type ventilating unit is provided with an exhaust-side fan 6 and a supply-side fan 8 respectively formed of turbofans, a cylindrical exhaust-side casing 7 surrounding the fan 6, and a cylindrical supply-side casing 9 surrounding the fan 8 and, in addition, an heat exchanger 14 which makes heat exchange between the exhaust air flow of an exhaust air flow passage 13 and the supply air flow of a supply air flow passage 12 with its laminated direction in the vertical direction. Therefore, the height of the unit can be reduced as compared with other units having spiral casings.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchange type ventilation unit for exchanging heat between air supply and exhaust, and a ventilator using the heat exchange type ventilation unit.

[0002]

2. Description of the Related Art In recent years, with the spread of heat exchange type ventilation fans for recovering exhaust heat so that the temperature environment in a building does not deteriorate when ventilation is performed in a building, a large body is installed on a wall surface. Other than the space between the curtain rail and the ceiling,
There is an increasing demand for a low-profile, thin-type heat exchange type ventilation unit that can be disposed in the space between the outer wall material and the inner wall material.

Conventionally, as an example of this type of heat exchange type ventilation unit, an air-conditioning ventilation fan described in Japanese Utility Model Laid-Open No. 3-1742 has been known. Hereinafter, the configuration will be described with reference to FIGS.

As shown in FIG. 1, a main body casing 104 has an intake fan 101 for sucking outdoor air into a room, an exhaust fan 102 for discharging indoor air to the outside of a room, and a heat exchanger 103 for exchanging heat between the intake and exhaust air. In the air-conditioning ventilation fan, an intake fan casing / heat exchanger accommodating portion 105 integrally formed of a heat insulating material accommodating the intake fan 101 and the heat exchanger 103 is provided.

[0005]

In such a conventional air-conditioning ventilation fan, since the intake fan 101 and the exhaust fan 102 both use a sirocco fan, an intake fan casing and heat exchanger surrounding the intake fan 101 are used. Since the suction fan casing portion 106a of the storage portion 106 must be formed in a spiral shape, the height of the intake fan casing portion 106a is higher than that of the cylindrical shape.

In the heat exchanger 103, the diamond-shaped apical corners 103a and 103b of the heat exchanger 103 are provided at the heat exchanger housing portion 106 of the intake fan casing / heat exchanger housing 106.
b, the height of the heat exchanger accommodating portion 106b is higher than the height of the intake fan casing portion 106a, and the air-conditioning ventilation fan cannot be formed in a thin shape having a low height. there were.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is a first object of the present invention to provide a thin heat exchange type ventilation unit having a low height.
The purpose of.

It is a second object of the present invention to provide a ventilation device which can be disposed in a wall so that the heat exchange type ventilation unit is not exposed from the wall.

[0009]

The heat exchange ventilation unit of the present invention has an indoor exhaust port and an indoor air supply port on one side, and an outdoor air supply port and an outdoor air supply on the other opposite side. A box-shaped ventilation unit main body having an exhaust port, an exhaust-side fan surrounded by an exhaust-side casing so as to draw air from an indoor-side exhaust port of the ventilation unit main body, and an outdoor-side air supply port of the ventilation unit main body. An air supply side fan surrounded by an air supply side casing for inhaling air; an electric motor for driving the air supply side fan and the exhaust side fan; and a partition plate for separating the air supply side fan from the exhaust side fan. An air supply passage formed between the outside air supply port and the indoor air supply port, an exhaust flow passage formed between the indoor air discharge port and the outdoor air discharge port, and the exhaust flow passage and the air supply flow Heat exchange between the exhaust and supply air A heat exchanger arranged so that the stacking direction is vertical so that the exhaust side fan and the air supply side fan are formed by a turbo fan, and the exhaust side casing and the air supply side casing are formed in a cylindrical shape. It is.

According to the present invention, a thin heat exchange type ventilation unit having a low height can be provided.

Further, the ventilation device of the present invention provides a decorative grill in which an indoor opening is formed in an inner wall of a wall formed by an inner wall and an outer wall, and an outdoor opening formed in the outer wall. Outdoor hood, and a heat exchange type ventilation unit provided in the wall portion, the heat exchange type ventilation unit communicates an indoor side exhaust port and an indoor side air supply port with an indoor side opening of the wall portion, The outdoor-side air supply port and the outdoor-side exhaust port are disposed so as to communicate with the outdoor-side opening of the wall portion.

According to the present invention, it is possible to provide a ventilation device which can be disposed in a wall so that the heat exchange type ventilation unit is not exposed from the wall.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention has an indoor exhaust port and an indoor air supply port on one side, and an outdoor air supply port and an outdoor exhaust port on the other opposite side. A box-shaped ventilation unit main body having an opening, an exhaust-side fan surrounded by an exhaust-side casing so as to intake air from an indoor-side exhaust port of the ventilation unit main body, and an air-intake port from an outdoor-side air supply port of the ventilation unit main body. A supply-side fan surrounded by a supply-side casing, an electric motor that drives the supply-side fan and the exhaust-side fan, and a partition plate that separates the supply-side fan from the exhaust-side fan. An air supply passage formed by communicating the air supply opening with the indoor air supply opening, an exhaust flow passage formed by communicating the indoor air exhaust opening with the outdoor air exhaust opening, the exhaust flow passage and the air supply flow passage So that heat is exchanged between the exhaust and supply air A heat exchanger arranged in a vertical direction, wherein the exhaust side fan and the air supply side fan are formed by a turbo fan, and the exhaust side casing and the air supply side casing are formed in a cylindrical shape. The height of the exhaust side casing and the supply side casing can be made lower than that of the spiral casing, and the heat exchangers are arranged so that the stacking direction of the heat exchangers is vertical. Since the heat exchanger is provided, the height of the heat exchanger can be reduced, and the overall height of the ventilation unit main body can be reduced, so that it can be applied to a place where the height space is low.

Further, the invention according to claim 5 of the present invention provides:
An interior opening is formed in the inner wall of the wall formed by the inner wall and the outer wall, and a decorative grill is provided. An outdoor hood is formed by forming an outdoor opening in the outer wall, and is provided in the wall. A heat exchange type ventilation unit, wherein the heat exchange type ventilation unit has a configuration of a ventilation device arranged such that an outdoor air supply port and an outdoor air exhaust port communicate with an indoor opening of the wall portion. By disposing the heat exchange type ventilation unit in the wall, the ventilation unit main body is not exposed on the surface of the wall, and an effect that the wall of the building can be effectively used. Have.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. (Embodiment 1) As shown in FIG. 1, an indoor air outlet 1 and an indoor air inlet 2 are provided on one side, and an outdoor air inlet 3 and an outdoor air outlet 4 are provided on the other opposite side. An exhaust-side fan 6 formed by a turbo fan so as to suck indoor air from the indoor-side exhaust port 1 of the formed box-shaped ventilation unit main body 5 is surrounded by a cylindrical exhaust-side casing 7, and an outdoor-side air supply port is provided. An air supply side fan 8 formed by a turbo fan so as to take in outdoor air from the outside 3 is surrounded by a cylindrical air supply side casing 9, and a partition plate 10 is provided between the exhaust side fan 6 and the air supply side fan 8.
The partition plate 10 is provided with an electric motor 11 for driving the exhaust fan 6 and the air supply fan 8.

The partition plate 10 forms an air supply passage 12 connecting the outdoor air supply port 3 and the indoor air supply port 2 and an exhaust flow path 13 connecting the indoor air outlet 1 and the outdoor air outlet 4. The corners of the heat exchanger 14 are formed in a vertical direction so that the heat exchanger 14 in which heat is exchanged between the air supply flow of the air supply flow path 12 and the exhaust flow of the exhaust flow path 13 is vertically stacked. And is disposed so as to contact the inner surface of the ventilation unit main body 5 and the end of the partition plate 10.

In the above configuration, the ventilation unit main body 5 is provided with the indoor exhaust port 1 and the outdoor air supply port 2 facing the interior, and the outdoor air supply port 3 and the outdoor exhaust port 4 facing the outdoor. And
When the electric motor 11 is operated, air having hot air in the room is sucked in from the indoor side exhaust port 1 by the exhaust side fan 6, and when passing through the heat exchanger 14 through the exhaust passage 13, the heat component in the air is converted into a heat exchanger. After the heat is stored in the exhaust port 14, the exhaust gas is exhausted outside from the outdoor exhaust port 4.

On the other hand, when the outdoor air is sucked in by the air supply fan 8 and passes through the heat exchanger 14 through the air supply passage 12, the heat stored in the heat exchanger 14 is recovered and then supplied to the room. The Rukoto.

As described above, according to the heat exchange type ventilation unit of the first embodiment of the present invention, the exhaust side fan 6 and the supply side fan 8 are formed by the turbo fan, and the exhaust side casing 7 and the supply side casing 9 are formed. Is formed in a cylindrical shape, so that the height can be reduced as compared with the case using a sirocco fan and a spiral casing, and the stacking direction of the heat exchanger 14 is set to the vertical direction. 7 and the supply side casing 9 can be formed at a height, and the box-shaped ventilation unit main body 5 can be formed in a thin shape having a low height.

(Embodiment 2) As shown in FIG. 2, the outside of the partition plate 10 including the outdoor air supply port 3 and the outdoor air exhaust port 4 of the ventilation unit main body 5A is made of a heat insulating material 15 such as styrene foam. The structure is formed by

In the above configuration, the operation of supplying and exhausting air while performing heat exchange by the heat exchanger 14 is described in Embodiment 1.
In the same way as in the above, the outside air supply port 3
The air is further supplied to the heat exchanger 14 through the air supply passage 12. At this time, since the ventilation unit main body 5A at the portion exposed to the outdoor side is formed of the heat insulating material 15, dew condensation can be prevented by the heat insulating action.

As described above, according to the heat exchange type ventilation unit according to the second embodiment of the present invention, since the outdoor portion of the ventilation unit main body 5A is formed of the heat insulating material 15 such as styrene foam, the ventilation unit main body can be used in winter. Even if the outdoor portion of 5A is in contact with low-temperature outside air, dew condensation in the ventilation unit main body 5A and the heat exchanger 14 is prevented, and it can be provided at low cost.

(Embodiment 3) As shown in FIG. 3, the outer corner of the motor 11 of the ventilation unit body 5B is
A cutout opening 16 is formed in one axial direction, and an electrical box 19 provided with a power supply line connection terminal 18 connected to a power supply wire 17 in a shape covering the opening 16 is formed.

The groove 16 formed on the side edge of the opening 16
The electronic component box 19 is provided with an engaging element 19a that engages with the electronic component box 19a.

In the above configuration, the electrical box 19 provided with the power supply line connection terminal 18 connected to the electric motor 11 by a lead wire (not shown) or the like is removed from the opening 16 of the ventilation unit main body 5B, and the indoor power supply line 17 serving as the power supply wire 17 is removed. After the wiring is connected to the power supply line connection terminal 18, the electrical box 19 is attached to the opening 16 to complete the connection with the power supply wire 17.

As described above, according to the heat exchange type ventilation unit of the third embodiment of the present invention, the outside corner of motor 11 of ventilation unit main body 5B is cut out to form opening 16 and connected to power supply wire 17. Since the electric box 19 provided with the power line connection terminal 18 is detachably provided in the opening 16, the electric box 19 can be removed and connected to the power line connection terminal 18 when the power line 17 is connected. The connection of the power supply wire 17 is facilitated, and the workability is improved.

(Embodiment 4) As shown in FIG. 4, on the side of the ventilation unit main body 5C, an electronic control board 20 for controlling the electric motor 11 in a shape equal to or lower than the height of the ventilation unit main body 5C, An electric box 19A provided with a power line connection terminal 18 to which the power line 17 is connected is provided so as to be attached.

A mounting flange 5a is provided on the ventilation unit main body 5C, and a mounting portion 19a and a mounting flange 19b for mounting on the mounting flange 5a of the ventilation unit main body 5C are formed on the electrical equipment box 19A.

In the above configuration, after the power supply wire 17 is connected to the power supply wire connection terminal 18 of the electrical box 19A, the electrical box 19 is attached to the mounting flange 5a of the ventilation unit main body 5C.
A mounting portion 19a of A is attached, and an electrical box 19A is provided on a side portion of the ventilation unit main body 5C, and is mounted on an installation place by a mounting flange 5a of the ventilation unit main body 5C and a mounting flange 19b of the electrical box 19A.

As described above, according to the heat exchange type ventilation unit of the fourth embodiment of the present invention, the electric equipment provided with the electronic control board 20 for automatically controlling the electric motor 11 and the power supply wire connection terminal 18 for connecting the power supply wire 17 is provided. Since the box 19A is detachably provided on the side of the ventilation unit main body 5C, the power supply cable 17 can be connected in a state where the electrical box 19A is separated, so that the connection is easy and the electronic control board 20 is provided for automatic control. Can be standardized.

(Embodiment 5) As shown in FIG. 5, an indoor opening 24 is formed in an inner wall material 21 of a wall 23 formed by an inner wall material 21 and an outer wall material 22, and a decorative grill is formed in the indoor opening 24. 25, an outdoor opening 26 is formed in the outer wall material 22, an outdoor hood 27 for preventing rainwater from entering the wall 23 through the outdoor opening 26, and a heat exchange type ventilation unit is provided in the wall 23. The indoor-side exhaust port 1 and the indoor-side air supply port 2 of the ventilation unit main body 5 </ b> D are formed to communicate with the indoor-side opening 24 provided in the inner wall member 21 via the indoor-side airflow direction plate 28. The ventilation unit main body 5 </ b> D is disposed in the wall 23 so that the outdoor exhaust port 4 communicates with the outdoor opening 26 via the outdoor airflow direction plate 29.

In the above configuration, when the heat exchange type ventilation unit is operated, the indoor air is drawn into the indoor exhaust port 1 through the decorative grill 25 of the indoor opening 24 provided in the inner wall material 21, and the heat exchanger 14 is operated. After passing through the air, heat is stored from the indoor air, and then discharged outside through the outdoor opening 26 provided in the outer wall member 22 through the outdoor exhaust port 4.

On the other hand, the outdoor air is supplied to the outdoor air supply port 3 through the outdoor opening 26 of the outer wall member 22 and recovers the heat stored when passing through the heat exchanger 14, and then supplies the indoor air. The air is supplied into the room from the mouth 2 through the decorative grill 25 provided in the indoor side opening 24 of the inner wall material 21.

As described above, according to the ventilating apparatus of the fifth embodiment of the present invention, the heat exchange type ventilation unit is provided in the wall portion 23 formed by the inner wall material 21 and the outer wall material 22, and the inner wall material 2
Since the supply and exhaust ventilation can be performed using the indoor side opening 24 provided in 1 and the outdoor side opening 26 provided in the outer wall material 22, only the decorative grill 25 is exposed on the indoor side, so that the aesthetic appearance of the room is improved. By providing the outdoor hood 27 outside the room, it is possible to prevent rainwater from entering.

[0035]

As is clear from the above embodiment,
According to the present invention, a box-shaped ventilation unit main body having an indoor side exhaust port and an indoor side air supply port on one side surface and an outdoor side air supply port and an outdoor side air exhaust port formed on the other opposite side, An exhaust-side fan surrounded by an exhaust-side casing to take in air from an indoor-side exhaust port of the unit main body, and an air-supply side surrounded by an air-supply-side casing to take in air from an outdoor-side air supply port of the ventilation unit main body. A fan, an electric motor that drives the supply-side fan and the exhaust-side fan, and a partition plate that separates the supply-side fan and the exhaust-side fan communicate with the outdoor-side supply port and the indoor-side supply port. An air supply passage, and an exhaust passage formed to communicate the indoor exhaust port and the outdoor exhaust port, and heat exchange is performed between the exhaust flow passage, the exhaust flow of the supply air flow passage, and the supply air flow. Heat exchanger with the stacking direction set to the vertical direction Provided, the exhaust-side fan and the air supply-side fan formed by turbofan, since the formation of the exhaust casing and the air supply casing into a cylindrical shape,
A low-profile thin heat exchange ventilation unit can be provided.

Further, since the outside of the partition unit including the outdoor air supply port and the outdoor air exhaust port of the ventilation unit main body is formed of a heat insulating material such as styrene foam, dew condensation of the ventilation unit main body and the heat exchanger also occurs in winter. Can be prevented.

An electric box provided with a power supply connection terminal and the like which is notched in the axial direction of the electric motor, is provided with a power supply connection terminal and the like in the opening outside the electric motor in a corner portion of the main body of the ventilation unit. Since it is detachably provided, connection of the power supply wire is facilitated and workability is improved.

Further, an electronic control board for controlling an electric motor and an electric box provided with a power supply wire connection terminal are mounted on the side of the ventilation unit main body in a shape equal to or lower than the height of the ventilation unit main body. As a result, the connection of the power supply wires becomes easy, and the automatic control becomes possible.

Further, a decorative grill provided with an indoor opening formed in an inner wall material of a wall portion formed by the inner wall material and the outer wall material, an outdoor hood provided with an outdoor opening formed in the outer wall material, A heat exchange type ventilation unit provided in the unit, wherein the heat exchange type ventilation unit communicates an indoor side exhaust port and an indoor side air supply port with an indoor side opening of the wall portion, and an outdoor side opening of the wall portion. Since the outdoor air supply port and the outdoor air outlet are connected to each other, a heat exchange type ventilation unit can be installed in the wall so that only the decorative grille is exposed on the indoor side. The ventilation device which can utilize a wall part without spoiling can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a heat exchange type ventilation unit according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of a heat exchange type ventilation unit according to a second embodiment of the present invention.

FIG. 3 is a perspective view showing a configuration of a heat exchange type ventilation unit according to a third embodiment of the present invention.

FIG. 4 is a perspective view showing a configuration of a heat exchange type ventilation unit according to a fourth embodiment of the present invention.

FIG. 5 is a perspective view showing a configuration of a ventilation device according to a fifth embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a configuration of a conventional air-conditioning ventilation fan.

FIG. 7 is an exploded perspective view of the air-conditioning ventilation fan.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Indoor exhaust port 2 Indoor air supply port 3 Outdoor air supply port 4 Outdoor exhaust port 5 Ventilation unit main body 5A Ventilation unit main body 5B Ventilation unit main body 5C Ventilation unit main body 5D Ventilation unit main body 6 Exhaust side fan 7 Exhaust side casing Reference Signs List 8 air supply side fan 9 air supply side casing 10 partition plate 11 motor 12 air supply flow path 13 exhaust flow path 14 heat exchanger 15 heat insulating material 16 opening 17 power supply wire 18 power supply line connection terminal 19 electrical equipment box 19A electrical equipment box 20 electronic control board DESCRIPTION OF SYMBOLS 21 Inner wall material 22 Outer wall material 23 Wall part 24 Indoor opening 25 Makeup grill 26 Outdoor opening 27 Outdoor hood

Claims (5)

[Claims] 1. A box-shaped ventilation unit main body having an indoor air outlet and an indoor air supply port on one side surface and an outdoor air supply port and an outdoor air exhaust port formed on the other opposite side, and the ventilation unit. An exhaust-side fan surrounded by an exhaust-side casing to take in air from an indoor-side exhaust port of the main body, and an air-supply-side fan surrounded by an air-supply-side casing to take in air from an outdoor-side air supply port of the ventilation unit main body. And an electric motor for driving the supply-side fan and the exhaust-side fan, and a partition plate for partitioning the supply-side fan and the exhaust-side fan, so that the outdoor-side supply port and the indoor-side supply port are formed to communicate with each other. An air supply passage, and an exhaust passage formed to communicate the indoor exhaust port and the outdoor exhaust port,
A heat exchanger provided with the stacking direction vertical so that heat is exchanged between the exhaust flow and the air supply flow of the air supply flow path, and the exhaust side fan and the air supply side fan are provided. A heat exchange type ventilation unit formed by a turbo fan and having an exhaust-side casing and a supply-side casing formed in a cylindrical shape. 2. The heat exchange type ventilation unit according to claim 1, wherein the outside of the ventilation unit main body is formed of a heat insulating material such as styrofoam from a partition plate including an outside air supply port and an outside air exhaust port. 3. An electric box provided with a notch opening outside the motor of the ventilation unit main body in the axial direction of the motor and provided with a power line connection terminal connected to a power supply in a shape covering the opening. The heat exchange type ventilation unit according to claim 1, wherein the ventilation unit is detachably mounted on the ventilation unit. 4. A configuration in which an electronic control board for controlling an electric motor and an electric box provided with a power supply wire connection terminal are mounted on a side portion of the ventilation unit main body in a shape equal to or lower than the height of the ventilation unit main body. The heat exchange type ventilation unit according to claim 1. 5. A decorative grill which is provided by forming an indoor side opening in an inner wall material of a wall formed by an inner wall material and an outer wall material,
An outdoor hood provided with an outdoor opening formed in the outer wall material, and a heat exchange type ventilation unit provided in the wall portion, wherein the heat exchange type ventilation unit is indoor exhausted into an indoor opening of the wall portion. A ventilating device which communicates the mouth with the indoor air supply port and is arranged such that the outdoor air supply port and the outdoor air exhaust port communicate with the indoor opening of the wall portion.