JPH11132522A - Ventilating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilating device to increase a heat insulation effect and reduce the generation of noise by covering the whole of a heat-exchange element and a fan motor part with foamed styrol. SOLUTION: A heat-exchange element 8 comprises a heat-exchange element structure 11 formed by surrounding with foamed styrol; a structure 14 on the fan side for gas discharge such that a casing part 12 for a fan 5 for exhaust is formed; and a structure 17 on the fan side for air supply formed by surrounding it with foamed styrol in a manner to form a casing part 15 for a fan 6 for air supply. A fan motor 7 is incorporated in the structures and contained in a body 4 and by forming gas discharge passage 26 and an air supply passage 27, a ventilating device to increase a heat insulation effect and reduce the generation of noise is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator having a high heat insulating effect and having a heat exchange element for recovering exhaust heat and enabling ventilation of a plurality of rooms.

[0002]

2. Description of the Related Art In recent years, a ventilation device adapted for a multi-room, which collects exhaust heat and simultaneously ventilates a plurality of rooms, is becoming widespread. Ventilation provided with insulation measures so that it can be used even in cold regions. The demand for the device is increasing.

[0003] Conventionally, as an example of this type of ventilation device, FIG.
~ What was shown in the figure was known. Hereinafter, the configuration will be described with reference to FIGS.

As shown in FIGS. 1 to 3, a lower frame 102 having an exhaust air intake 101 and a frame 103 provided above and a plurality of air supply ducts 104 connected to a plurality of rooms on the side face are connected. Vent 105, exhaust duct 106 communicating with the outside, and outside air intake duct 1
The main body 110 is formed by combining a lower frame 102 and an upper frame 103 with a main body side plate 109 formed by projecting a ventilation port 108 to be connected outwardly to the outside.
0, an air supply fan 113 and an exhaust fan 114 driven by a motor 112 mounted on a motor mounting plate 111 are provided, and indoor air including hot air is exhausted from an exhaust air intake 101 through an exhaust air intake 101. A heat exchange element 115 is provided so that exhaust heat can be recovered from supply air taken in through the outside air intake duct 107.
No. 0, the urethane sheet 116 was stuck.

[0005] Ducts 104, 106 and 107 connected to the air supply port 105 and the ventilation port 108 are provided in a ceiling 119 insulated by winding a heat insulating tape 118 around the connection portion. A louver 122 provided with a vent 121 corresponding to the above.

[0006] As another example, as shown in the figure, an air supply duct 104 and an exhaust duct 106 communicating with the outside.
The main body side plate 109A including the air supply port 105 and the ventilation port 108 to which is connected is formed of polystyrene foam.

[0007]

In the structure of such a conventional ventilator, the former has a convex air supply port 105.
In addition, it is difficult to attach the heat insulating material to the surface because the shape having the ventilation opening 108 is complicated, and since the heat insulating material is not securely attached, the sheet metal portion is exposed, and dew condensation occurs at that portion. There was a problem to do.

In the latter, there is a problem that the heat insulation effect is not sufficient because the heat insulation is partially performed.

It is a first object of the present invention to solve the above-mentioned problems, and to provide a ventilator having high heat insulation effect and low noise by covering the entire heat exchange element and the fan motor with styrofoam.

It is a second object of the present invention to facilitate maintenance by allowing a heat exchange element and a fan motor portion to be easily taken out from an exhaust air inlet provided on a lower surface of the main body.

A third object is to prevent air from leaking from an exhaust passage and an air supply passage provided inside the main body.

It is a fourth object of the present invention to enhance the heat insulating effect at the duct connection portion and to facilitate the duct connection.

A fifth object of the present invention is to improve the workability by arranging a plurality of air supply openings in a staggered manner so that the width of the main body on the depth side is reduced.

A sixth object is to prevent dust from a filter for removing dust and the like supplied to the heat exchange element from falling into a room.

[0015]

According to the ventilating apparatus of the present invention, an exhaust air inlet is provided on a lower surface, a plurality of air inlets communicating with a plurality of rooms on one side, and an outdoor on the other side. Exhaust heat is collected between the exhaust air and the supply air, and a fan motor consisting of an exhaust fan and an air supply fan provided inside the A heat exchange element provided so as to form an exhaust path and an air supply path of the heat exchange element, wherein the heat exchange element is formed by surrounding the heat exchange element with styrofoam, and the exhaust fan The fan motor is assembled into an exhaust fan-side structure in which a casing and an exhaust path are formed of polystyrene foam, and an air supply fan-side structure in which the casing and the air supply path of the air supply fan are formed of polystyrene. Housed in write the body, in which a structure of forming the exhaust passage and the air supply passage.

According to the present invention, it is possible to provide a ventilator having high heat insulation effect and low noise by covering the entire heat exchange element and the fan motor with styrofoam.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention has an exhaust air inlet on a lower surface, a plurality of air inlets communicating with a plurality of rooms on one side, and an outdoor on the other side. Body with exhaust and air supply vents communicating with the air, a fan motor consisting of an exhaust fan and an air supply fan provided inside the body, and exhaust heat between the exhaust air and the air supply A heat exchange element provided to collect the heat exchange element, wherein a heat exchange element structure formed by surrounding the heat exchange element with styrofoam so as to form an exhaust path and an air supply path of the heat exchange element; and An exhaust fan-side structure in which a fan casing and an exhaust passage are formed of styrene foam;
A ventilation unit having a casing and an air supply passage formed of styrofoam and incorporating the fan motor in an air supply fan side structure formed of styrene foam and housed in the main body to form an exhaust passage and an air supply passage. The heat exchange element and the fan motor are surrounded by Styrofoam, heat insulation is enhanced, it can be used in cold regions, and the exhaust flow path and supply air flow path are made of Styrofoam. With this configuration, the noise generated from the fan motor is reduced and the noise can be reduced.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. (Embodiment 1) As shown in FIGS. 1 to 3, an exhaust air inlet 1 is provided on the lower surface, a plurality of air inlets 2 communicating with a plurality of rooms on one side, and the outside on the other side. A box-shaped main body 4 provided with a ventilation port 3 for exhaust and air supply to be formed, and a fan motor 7 including an exhaust fan 5 and an air supply fan 6 inside the main body 4, and exhaust air and air supply air. A heat exchange element 8 for recovering exhaust heat between the heat exchange elements, and forming a heat exchange element structure 11 by surrounding the heat exchange element 8 with styrofoam so as to form an exhaust path 9 and an air supply path 10 of the heat exchange element 8. The casing 12 and the exhaust passage 13 of the exhaust fan 5 are attached to the mounting plate 11a, and the exhaust fan-side structure 14 in which the exhaust passage 13 is formed of polystyrene and the casing 15 and the supply passage 16 of the intake fan 6 are attached to the polystyrene foam. Air supply fan side structure formed of 7 incorporate fan motor 7 consisting of the exhaust fan 5 and the air supply fan 6, a configuration that is housed in the body 4 together with the heat exchanger element structure 11.

An inspection port 19 is formed in a ceiling 18 corresponding to the exhaust air inlet 1 of the main body 4, a louver 20 is provided in the inspection port 19, and a side where external air is supplied to the heat exchange element 8 is provided. A filter 21 is provided, and a filter 22 is also attached to the exhaust air intake 1 side.

When the ventilating apparatus having the above-described structure is installed, the main body 4 is disposed on the ceiling 23, the ventilation port 3 is connected to the duct 24 communicating with the outside, and the air supply port 2 is connected to each room. The plurality of ducts 25 are connected as described above.

When the fan motor 7 is operated, the exhaust fan 5 takes in the air including the hot air in the room from the exhaust air inlet 1, and stores the heat when passing through the heat exchange element 8. The air is exhausted to the outside through an exhaust passage 26 that reaches the vent 3 through the
The outside air supplied from the vent 3 recovers the heat stored in the heat exchange element 8 when passing through the heat exchange element 8, and supplies the air to the plurality of air supply ports 2 through the air supply fan 6. Through the road 27, fresh air is taken into each room. At this time, the exhaust passage 26 and the supply passage 27 are connected to the exhaust passage 9 and the supply passage 10 of the heat exchange element structure 11 formed of styrene foam.
The exhaust passage 13 of the exhaust fan side structure 14 and the air supply passage 16 of the air supply fan side structure 17 are formed.

As described above, according to the ventilating apparatus of the first embodiment of the present invention, the heat exchange element 8 and the fan motor 7 housed in the main body 4 are surrounded by the structure made of polystyrene foam, so that the heat insulating property is improved. The exhaust passage 26 and the supply passage 27 are also made of styrene foam having high soundproofing, so that the noise of the fan motor 7 is greatly reduced.

(Embodiment 2) As shown in FIGS. 4 to 6, the fan motor 7 is incorporated into the exhaust fan side structure 14 and the air supply fan side structure 17 to form a fan motor structure 28. The fan motor structure 28 and the heat exchange element structure 11A are separated from each other and provided so as to be freely inserted into and removed from the main body 4 through the exhaust air intake 1 provided on the lower surface of the main body 4.

In the above configuration, when the heat exchange element 8 and the fan motor 7 incorporated in the main body 4 are inspected and replaced after the ventilation device is installed, the louver 20 provided on the ceiling 18 is removed and the exhaust air is removed. By pulling down and removing the heat exchange element structure 11A from the intake 1 and sliding the fan motor structure 28 toward the exhaust air intake 1, the fan motor structure 28 faces the exhaust air intake 1. , Fan motor structure 28
Can be taken out from the exhaust air inlet 1, and the heat exchange element 8 and the fan motor 7 can be inspected or replaced.

After the maintenance of the heat exchange element 8 is incorporated in the heat exchange element structure 11A, the fan motor 7 is incorporated in the fan motor structure 28, and then the fan motor structure 28 is moved from the exhaust air inlet 1 to the main body. 4
The fan motor structure 28 is housed in the main body 4 by sliding in the direction away from the exhaust air intake 1 by inserting the heat exchange element structure 11A into the heat exchange element structure 11A adjacent to the fan motor structure 28. By thus inserting the heat exchange element structure 11A and the fan motor structure 28 into the main body 4, the heat exchange element structure 11A and the fan motor structure 28 are assembled in a state of being connected by the elastic force of the styrene foam.

As described above, according to the ventilating apparatus of the second embodiment of the present invention, the exhaust fan side structure 14 and the air supply fan side structure 17 are connected to form the fan motor structure 28, and the heat exchange is performed. The main body 4 was separated from the element structure 11A.
The heat exchange element structure 11A and the fan motor structure 28, which are separated from the exhaust air inlet 1 provided in the air conditioner 1, can be easily inserted and removed, thereby improving the maintainability.

(Embodiment 3) As shown in FIGS. 7 and 8, the fan motor structure 28A and the heat exchange element structure 11B are connected by a thin portion 29 for preventing air leakage. The heat exchange element structure 11B is assembled into the main body 4 in an integrated state, and the heat exchange element structure 1
1B or the fan motor structure 28A is cut at the thin portion 29 and taken out from the exhaust air inlet 1 when taking out the fan motor structure 28A.

In the above configuration, when the heat exchange element structure 11B and the fan motor structure 28B are assembled in a state where the heat exchange element structure 11B and the fan motor structure 28A are connected by the thin portion 29, the heat exchange element structure 11B and the fan motor structure 2
8A, the air leaking from the space portion 8A is prevented by the thin portion 29.

When the maintenance is performed after the ventilation device is installed, the thin portion 29 connecting the heat exchange element structure 11B and the fan motor structure 28A is cut, so that the heat exchange element structure 11B and the fan motor With the structure 28A separated, it can be taken out from the exhaust air inlet 1 and maintenance can be performed.

As described above, according to the ventilating apparatus of Embodiment 3 of the present invention, when the ventilating apparatus is initially installed, the heat exchange element structure 11B and the fan motor structure 28A are connected by the thin portion 29. Therefore, the heat exchange element structure 11B
Air from the gap between the fan motor structure 28A and the fan motor structure 28A, and the thin wall portion 29 is cut off at the time of maintenance so that the heat exchange element structure 11B and the fan motor The structure 28A can be separated and taken out, so that the maintainability is improved.

(Embodiment 4) As shown in FIG. 9, the adapter 30 connected to the duct 24 provided in the ventilation opening 3A communicating with the outdoors provided in the main body 4A is fitted to the base of the adapter 30. A configuration is provided in which a heat insulating ring 31 for positioning the duct 24 formed to have a thickness substantially equal to the thickness of the duct 24 in a combined shape is provided.

With the above configuration, when the duct 24 is connected, the heat insulating ring 31 is fitted to the adapter 30 and the duct 24 is connected to the adapter 30 so that the tip of the duct 24 contacts the end of the heat insulating ring 31 and And the adapter part 30 is insulated by the heat insulating ring 31 to prevent freezing.

(Embodiment 5) As shown in FIG. 10, a plurality of air supply ports 2A provided on one side surface of a main body 4B are arranged in a staggered manner with different positions.

According to the above configuration, the width W on the depth side of the main body 4B can be formed to be narrower than when the air supply ports 2A are arranged in one row, and the overall shape of the main body 4B can be reduced. This makes it easier to handle and improves workability.

(Embodiment 6) As shown in FIG. 11, a filter 21A provided on the outside air suction side of the heat exchange element 8 provided on the heat exchange element structure 11C is connected to the entrance 32 of the heat exchange element structure 11C. It is formed and provided so that it can be inserted and removed, and a saucer 3 shaped to cover the entrance 32 at the lower end of the filter 21A.
3 is provided.

In the above configuration, the filter 2 is used during use.
When dust adhering to 1A falls, it is received by a receiving tray 33 shaped to cover the entrance 32. When cleaning the filter 21A, the filter 21A can be pulled out from the entrance 32 by pulling the filter 33A downward with the tray 33. At this time, even if dust adhering to the filter 21A falls, the dust will be received by the tray 33.

As described above, according to the ventilating apparatus of the sixth embodiment of the present invention, the dust that adheres to the filter 21A and falls naturally and the dust that falls when the filter 21A is removed are received by the tray 33 and fall into the room. Is prevented.

[0038]

As is clear from the above embodiment,
According to the present invention, a main body having an exhaust air intake on a lower surface, a plurality of air inlets communicating with a plurality of rooms on one side, and an exhaust and air vent opening communicating with the outside on the other side. A fan motor including an exhaust fan and an air supply fan provided inside the main body, and a heat exchange element provided to recover exhaust heat between the exhaust air and the supply air, A heat exchange element structure in which the heat exchange element is surrounded by styrofoam so as to form an exhaust path and an air supply path of the heat exchange element; and an exhaust gas in which a casing portion and an exhaust path of the exhaust fan are formed by styrofoam. The fan motor is incorporated in a fan-side structure and an air-supplying fan-side structure in which a casing portion and an air supply passage of the air-supplying fan are formed of styrene foam, and housed in the main body. Since the formation of the road, possible to provide a small ventilator having high heat insulating effect noise.

A fan motor is incorporated into the exhaust fan side structure and the air supply fan side structure to form a fan motor structure. The fan motor structure and the heat exchange element structure are separated from each other to separate the lower surface of the main body. The heat exchange element and the fan motor can be easily taken out from the exhaust air inlet provided in the main body so that the heat exchange element and the fan motor can be easily taken out.

Further, the fan motor structure and the heat exchange element structure are connected by a thin portion for preventing air leakage, and the fan motor structure and the heat exchange element structure are assembled into the main body in an integrated state. When the structure or the fan motor structure is taken out, it is cut at the thin portion and taken out from the exhaust air inlet, so that air leakage from the exhaust flow path and the air supply flow path is prevented and the efficiency is not reduced. be able to.

Further, since a heat insulating ring for positioning the duct is provided in the adapter portion to which the duct is connected, which is provided in the ventilation opening provided in the main body and communicates with the outside, the duct can be accurately attached and the heat insulating effect is provided. Can be increased.

Further, since the plurality of air supply ports provided on one side surface of the main body are arranged in a staggered manner, the main body can be formed in a small size, and the workability can be improved.

Further, the filter provided corresponding to the outside air suction side of the heat exchange element is provided so as to be freely inserted and removed from the lower surface side of the main body, and the receiving tray for receiving dust falling from the filter is provided below the filter. Dust can be prevented from falling into the room.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating a configuration of a ventilation device according to a first embodiment of the present invention.

FIG. 2 is a perspective view of each structure of the ventilation device.

FIG. 3 is a schematic diagram showing a state where the ventilation device is installed in a building.

FIG. 4 is a sectional view showing a configuration of a ventilation device according to a second embodiment of the present invention.

FIG. 5 is a sectional view showing a state when the heat exchange element structure of the ventilation device is taken out.

FIG. 6 is a sectional view showing a state where the fan motor structure of the ventilation device is taken out.

FIG. 7 is a cross-sectional view illustrating a configuration of a ventilation device according to a third embodiment of the present invention.

FIG. 8 is a perspective view of a heat exchange element structure and a fan motor structure of the ventilation device.

FIG. 9 is a cross-sectional view showing a connection state of a duct of the ventilation device according to the fourth embodiment of the present invention.

FIG. 10 is a side view showing an arrangement state of air supply ports of a ventilation device according to a fifth embodiment of the present invention.

FIG. 11 is a sectional view showing a configuration of a filter portion of a ventilation device according to a sixth embodiment of the present invention.

FIG. 12 is a cross-sectional view showing a configuration of a conventional ventilation device.

FIG. 13 is a partially broken bottom view showing the configuration of the ventilation device.

FIG. 14 is a partially enlarged cross-sectional view showing the configuration of the ventilation device.

FIG. 15 is a cross-sectional view showing the configuration of another example of a conventional ventilation device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Exhaust air intake 2 Inlet 2A Inlet 3 Inlet 3A Inlet 4 Main unit 4A Main unit 4B Main unit 5 Exhaust fan 6 Air supply fan 7 Fan motor 8 Heat exchange element 9 Exhaust path 10 Heat supply 11 Heat Exchange element structure 11A Heat exchange element structure 11B Heat exchange element structure 11C Heat exchange element structure 12 Casing part 13 Exhaust path 14 Exhaust fan side structure 15 Casing part 16 Air supply path 17 Air supply fan side structure 21A Filter 24 Duct 26 Exhaust flow path 27 Supply air flow path 28 Fan motor structure 29 Thin part 30 Adapter part 31 Insulation ring 32 Doorway 33 Receiving tray

Claims (6)

[Claims] 1. A body having an exhaust air inlet on a lower surface, a plurality of air inlets on one side communicating with a plurality of rooms, and a vent for exhaust and air communicating on the other side with the outside. A fan motor including an exhaust fan and an air supply fan provided inside the main body, and a heat exchange element provided to recover exhaust heat between the exhaust air and the supply air, A heat exchange element structure in which the heat exchange element is surrounded by styrofoam so as to form an exhaust path and an air supply path of the heat exchange element; and an exhaust gas in which a casing portion and an exhaust path of the exhaust fan are formed by styrofoam. The fan motor is incorporated in a fan-side structure and an air-supplying fan-side structure in which a casing and an air supply passage of the air-supplying fan are formed of styrene foam, and the fan motor is housed in the main body. Ventilation system that formed a path. 2. A fan motor structure is formed by incorporating a fan motor into an exhaust fan side structure and an air supply fan side structure, and the fan motor structure and the heat exchange element structure are separated from each other to form a lower surface of the main body. The ventilator according to claim 1, wherein the ventilator is provided so as to be freely inserted into and removed from the main body through an exhaust air intake provided in the main body. 3. A heat exchange element, wherein the fan motor structure and the heat exchange element structure are connected by a thin portion for preventing air leakage, and the fan motor structure and the heat exchange element structure are integrated into a main body in a state of being integrated. 2. The ventilation device according to claim 1, wherein when the structure or the fan motor structure is taken out, the structure is cut at the thin portion and taken out from the exhaust air intake. 4. The ventilation device according to claim 1, wherein a heat insulating ring for positioning the duct is provided at an adapter portion provided at a ventilation port provided in the main body and communicating with the outside, and connected to the duct. 5. The ventilation device according to claim 1, wherein a plurality of air supply ports provided on one side surface of the main body are arranged in a staggered manner. 6. A filter provided corresponding to the outside air suction side of the heat exchange element is provided so as to be freely inserted and removed from the lower surface side of the main body, and a tray for receiving dust or the like falling from the filter is provided below the filter. Item 7. The ventilation device according to Item 1.