WO2012140861A1

WO2012140861A1 - Heat exchange type ventilation system

Info

Publication number: WO2012140861A1
Application number: PCT/JP2012/002438
Authority: WO
Inventors: 大輔小河; 直也荒木; 弘仁堺
Original assignee: パナソニック株式会社
Priority date: 2011-04-12
Filing date: 2012-04-06
Publication date: 2012-10-18
Also published as: JP2012220129A

Abstract

A heat exchange type ventilation system comprises: a main body; a heat exchange device part disposed at the main body to conduct heat exchange between indoor air and external air; and an external air inlet, an indoor air vent, an external air supply opening, and an indoor air inlet that are disposed at a case surrounding the main body. The heat exchange type ventilation system further comprises: a motor blower in the main body; and an aeration ventilation passage disposed from the external air inlet to the external air supply opening through the heat exchange device part. A transversal exhaust air passage through which indoor air flows is disposed between an air supply casing and the case, and a side opening is formed in a lateral surface of a side of the heat exchange device part at which the transversal exhaust air passage is located. An exhaust air ventilation passage is disposed from the indoor air inlet to the indoor air vent through the transversal exhaust air passage, the side opening, and the heat exchange device part.

Description

Heat exchange ventilator

The present invention relates to a heat exchange type ventilator for exchanging heat between outside air and room air.

Conventionally, this type of heat exchange type ventilator forcibly exhausts indoor air to the outdoors from an indoor exhaust port provided on the lower surface of the main body (see, for example, Patent Document 1). Hereinafter, a conventional heat exchange ventilator will be described with reference to FIGS.

FIG. 8 is a side view showing a conventional heat exchange type ventilator. As shown in FIG. 8, the ventilation apparatus main body 101 introduces fresh outside air from the outside air supply port by the supply air fan 102. Outside air is taken from outside air inlet 103 through a duct. The outside air is blown out from the main body air inlet 105 through the built-in heat exchange element unit 104, and supplied to the room through the duct from the indoor air inlet.

FIG. 9 is a lower exploded perspective view showing a conventional heat exchange type ventilator. As shown in FIG. 9, first, coarse dust, insects, and the like are collected by the coarse dust / insect-proof filter 106 from outside air introduced from the outside air supply port. Finer dust is collected by an air supply cleaning filter 107 provided adjacent to the downstream side of the coarse / insect-proof filter 106. On the other hand, the dust mixed in the indoor polluted air is collected by the exhaust filter 110 attached to the decorative panel 109 installed at the indoor exhaust port 108.

Such a conventional heat exchange type ventilator has a concealing type having a duct capable of concealing the indoor air intake port of the ventilator main body 101 from the back of the ceiling, and an exposure in which the louver of the indoor air intake port is exposed from the ceiling to the room. There was a type. Even when it is desired to use a concealed heat exchange type ventilator, there is a problem that only the exposed type can be used due to the internal configuration of the heat exchange type ventilator.

JP 2005-106427 A

The heat exchange type ventilator of the present invention includes a main body, a heat exchange element portion that exchanges heat between indoor air and outdoor air, and an external air suction port that sucks the outside air into a housing that surrounds the main body, and the heat exchange element portion. An indoor air exhaust port for exhausting heat-exchanging indoor air to the outside, an outdoor air supply port for supplying the outdoor air heat-exchanged by the heat exchange element into the room, and an indoor air intake port for sucking in the indoor air; Includes an electric blower including an air supply casing that sucks outside air from the outside air intake port, supplies air from the outside air supply port to the room, sucks room air from the room air intake port, and exhausts the air from the room air exhaust port to the outside of the room. A horizontal exhaust air passage through which indoor air flows between the air supply casing and the housing, and a lateral exhaust air flow of the heat exchange element portion. Side opening on the side where the road is located The provided, is provided with an exhaust air flowing passage from the indoor air inlet next to the exhaust air passage, to the side opening, and as the indoor air outlet of the heat exchange element.

With such a configuration, the indoor air supplied from the indoor air suction port to the main body passes through the side exhaust air passage and is introduced into the heat exchange element portion from the side opening. Therefore, even if it is a concealed heat exchange type ventilator in which the indoor air inlet is concealed behind the ceiling, the exposed type heat exchange type ventilator that communicates the indoor air inlet of the heat exchange element section with the indoor air inlet. The flow direction is the same as the room air exhausted from the apparatus. As a result, it is possible to provide a heat exchange type ventilator that can easily change specifications between the exposed type and the concealed type.

FIG. 1 is a lower perspective view showing a heat exchange type ventilator according to an embodiment of the present invention. FIG. 2 is a side cross-sectional view showing the heat exchange type ventilator. FIG. 3 is an exploded perspective view showing an electric blower of the heat exchange ventilator. FIG. 4 is a partial perspective view showing the heat exchange type ventilator. FIG. 5 is a side partial configuration diagram showing the heat exchange type ventilator. FIG. 6 is an exploded perspective view showing the heat exchange type ventilator. FIG. 7 is a lower perspective view showing another form of the heat exchange type ventilator. FIG. 8 is a side view showing a conventional heat exchange type ventilator. FIG. 9 is a downward exploded perspective view showing the heat exchange type ventilator.

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

(Embodiment)
FIG. 1 is a lower perspective view showing a heat exchange type ventilator according to an embodiment of the present invention. As shown in FIG. 1, the main body 1 of the heat exchange type ventilator is installed in an attic space in a building or a first floor ceiling space. The main body 1 has a rectangular parallelepiped shape having the smallest height among the three sides of height, width, and height. The main body 1 is installed in parallel to the ceiling surface 21. On one side surface in the short side direction of the casing 25 that surrounds the main body 1, there is an outside air inlet 2 that sucks in outside air 26 and an indoor air outlet 3 that exhausts indoor air 27 that exchanges heat with the outside air 26. . Each of the outside air inlet 2 and the room air outlet 3 has a shape to which a duct (not shown) having a diameter of about 100 mm can be connected. The duct connected to the outside air inlet 2 and the room air outlet 3 is routed to the outer wall surface of the building and communicates with the outside air 26 outside the building.

The connecting portion of the duct is formed on the side surface of the main body 1 as an outside air intake port 2 or an indoor air exhaust port 3 in which a cylindrical resin having a diameter entering the inside of the duct of 100 mm, for example, is integrally formed with the foamed part forming the main body 1. Be placed. The duct is inserted using the cylindrical resin as a guide, and the connecting portion is fixed with tape.

In addition, on one side surface having the outside air suction port 2 and the room air exhaust port 3, the outside air supply port 4 for supplying the outside air 26 heat-exchanged with the room air 27 to the room 29 and the room for sucking the room air 27 are provided. And an air inlet 5. Each of the outside air supply port 4 and the indoor air suction port 5 has a shape to which a duct having a diameter of about 100 mm (not shown) can be connected. The duct connected to the outside air supply port 4 is branched into a plurality of small-diameter ducts (not shown), communicates with the ceiling surface 21 of each room, and supplies outside air 26 to the room 29. Note that the outside air supply port 4 has a shape in which a plurality of small-diameter ducts are connected to each other, thereby eliminating the trouble of branching the ducts. The shape of the part connecting the duct is the same as the shape of the outside air inlet 2 and the indoor air outlet 3. That is, a cylindrical resin is integrally molded with the foamed part forming the main body 1, and the duct is inserted and fixed using the resin cylinder as a guide.

On the other hand, the duct connected to the indoor air suction port 5 is communicated with the ceiling surface 21 of the corridor, the ceiling surface 21 of the washroom, and the ceiling surface 21 of the living room, which are located away from the main body 1, via the suction port member. The indoor air 27 is sucked into the main body 1.

FIG. 2 is a side sectional view showing the heat exchange type ventilator according to the embodiment of the present invention. As shown in FIG. 2, the main body 1 is provided with an air supply air passage 6 and an exhaust air passage 7. Here, the air supply / air flow path 6 is a path through which the outside air 26 introduced from outside through a duct is supplied to the room 29. The supply air passage 6 and the exhaust passage 7 have supply blades 8 and exhaust blades 9 provided on the respective air passages on both sides in the direction of the rotation axis with one electric motor 10 interposed therebetween. An air supply casing 12 and an exhaust casing 13 which are foamed parts are fixed to the sheet metal 11 with screws. The supply casing 12 and the exhaust casing 13 are formed so as to sandwich the sheet metal 11 that fixes the electric motor 10.

The sheet metal 11 is arranged in parallel with the ceiling surface 21 below the main body 1. The air supply / airflow path 6 and the exhaust air / airflow path 7 are formed above and below the main body 1 with the sheet metal 11 interposed therebetween, respectively. The air supply / airflow path 6 is on the side of the room 29 when the main body 1 is installed. The exhaust ventilation path 7 is provided on the facing side of the air supply ventilation path 6. The electric blower 14 includes an electric motor 10, a sheet metal 11, an air supply blade 8, an exhaust blade 9, an air supply casing 12, and an exhaust casing 13. The electric blower 14 is provided inside the upper surface of the main body 1. The electric blower 14 is disposed on the side surface side having the outside air supply port 4 and the indoor air suction port 5. The electric blower 14 sucks the outside air 26 from the outside air intake port 2 and supplies air from the outside air supply port 4 to the room 29, and sucks room air 27 from the room air suction port 5 and exhausts it from the room air exhaust port 3 to the outside 28. To do.

FIG. 3 is an exploded perspective view showing the electric blower of the heat exchange type ventilator according to the embodiment of the present invention. As shown in FIG. 3, when the electric blower 14 is housed in the main body 1, the horizontal exhaust air passage 15 through which the indoor air 27 flows is between the air supply casing 12 and the housing 25. With respect to the air flow in the electric blower 14, the indoor air 27 blown out from the exhaust casing 13 and the outside air 26 blown out from the air supply casing 12 are opposite to the longitudinal direction of the main body 1.

FIG. 4 is a partial perspective view showing the heat exchange type ventilator according to the embodiment of the present invention. As shown in FIGS. 2 and 4, the main body 1 is provided with a heat exchange element section 16 for exchanging heat between the indoor air 27 and the outside air 26 at a position where the supply air blowing path 6 and the exhaust ventilation path 7 intersect. ing. The heat exchange element section 16 collects the heat of the exhaust air from the room 29 and gives it to the supply air from the outdoor room 28. That is, the indoor air 27 heat-exchanged by the heat exchange element unit 16 is exhausted from the indoor air exhaust port 3 to the outdoor 28. The outside air 26 that has been heat exchanged by the heat exchange element section 16 is supplied to the room 29 from the outside air supply port 4. The air supply path 6 extends from the outside air inlet 2 to the outside air inlet 4 through the heat exchange element 16.

The indoor air 27 flowing into the heat exchange element unit 16 in the exhaust air blowing path 7 is sucked from the indoor air inlet 17 of the heat exchange element unit 16 facing the lower side of the heat exchange element unit 16, that is, the ceiling surface 21 side of the room 29. . Further, a side opening 18 is provided on the side surface of the heat exchange element section 16 on the side where the lateral exhaust air passage 15 is located. The room air 27 is sucked from the side opening 18. The exhaust air blowing path 7 extends from the indoor air suction port 5 to the indoor air exhaust port 3 through the side exhaust air flow path 15, the side surface opening 18, and the heat exchange element section 16.

FIG. 5 is a side partial configuration diagram showing the heat exchange type ventilator according to the embodiment of the present invention. As shown in FIGS. 2 and 5, the heat exchange element portion 16 has a parallelogram shape. The indoor air inlet 17 is inclined with respect to the ceiling surface 21. Therefore, the side opening 18 has a triangular shape when viewed from the side surface of the main body 1. As a result, the opening area of the part into which air flows from the side surface of the heat exchange element part 16 is ensured, and the height of the main body 1 can be reduced.

FIG. 6 is an exploded perspective view showing the heat exchange type ventilator according to the embodiment of the present invention. As shown in FIG. 6, there are cases where coarse dust, insects, and the like are mixed in the outside air 26 sucked from the outside air inlet 2. For this reason, a coarse dust / insect filter 19 is provided adjacent to the outside air inlet 2. The coarse dust / insect filter 19 is detachably inserted into the main body 1 from below. The coarse dust / insect filter 19 is integrally formed with a net filter (not shown) having a mesh size large enough to collect coarse dust. Coarse dust and insects are collected by the net filter. Further, fine dust is collected by the air supply cleaning filter 20 provided adjacent to the downstream side of the coarse dust / insect-proof filter 19. Therefore, the outside air 26 is cleaned by these filters and supplied to the room 29. Since the air supply cleaning filter 20 collects finer dust than the coarse dust / insect repellent filter 19, a three-dimensional shape having a thickness is good.

Since the indoor air 27 also contains dust, an exhaust filter (not shown) may be provided in the suction port member. Here, the inlet member is connected to a duct connected to the indoor air inlet 5. When the dust in the indoor air 27 is removed by the exhaust filter, the heat exchange element portion 16 and the main body 1 are prevented from being contaminated by the dust.

Further, if an exhaust filter (not shown) is provided adjacent to the indoor air inlet 17 communicating with the indoor air inlet 5 shown in FIG. 4, internal contamination between the heat exchange element portion 16 and the main body 1 is prevented. It is.

Next, the air path configuration of the main body 1 will be described with reference to FIGS. The flow of the outside air 26 in the supply air / air flow path 6 is as follows. The outside air 26 taken into the main body 1 from the outside air inlet 2 passes through the coarse dust / insect-proof filter 19 and the air supply cleaning filter 20 and is purified. Then, the outside air 26 passes through the heat exchange element portion 16 disposed approximately in the center with respect to the longitudinal direction of the main body 1 and enters the air supply casing 12. Further, the outside air 26 is blown by the electric motor 10 and sent to the outside air supply port 4, and is supplied to the room 29 through the duct.

Also, the flow of the indoor air 27 in the exhaust air blowing path 7 is as follows. The indoor air 27 taken in from the indoor air suction port 5 passes through the horizontal exhaust air passage 15, enters the indoor air inlet 17 through the side opening 18, and flows upward from below the heat exchange element portion 16. The indoor air 27 enters the exhaust casing 13, is blown by the electric motor 10, passes through an exhaust air passage disposed beside the heat exchange element section 16, and is exhausted from the indoor air exhaust port 3 to the outdoor 28 via a duct. The

With such a configuration, the indoor air 27 supplied from the indoor air suction port 5 to the inside of the main body 1 passes through the side exhaust air passage 15 and is introduced into the heat exchange element portion 16 from the side opening 18. . Therefore, when the indoor air inlet 17 is communicated with the indoor air inlet 5, the indoor air inlet 5 is hidden behind the ceiling.

FIG. 7 is a lower perspective view showing another embodiment of the heat exchange type ventilator according to the embodiment of the present invention. The indoor air inlet 5 is closed, and the indoor air inlet 17 of the heat exchange element portion 16 communicates with the room 29 on the lower surface of the main body 1 as shown in FIG. At this time, the main body 1 and the louver frame 22 are attached across the ceiling surface 21. A maintenance panel 23 that can be opened and closed with respect to the louver frame 22 is attached to the louver frame 22. The user can open the maintenance panel 23 and pull out the coarse / insect-proof filter 19 and the air supply cleaning filter 20 to clean the filter. Further, the user can also clean the heat exchange element portion 16 by opening the maintenance panel 23. The maintenance panel 23 has a lattice portion 24 in which a filter is integrally formed. The indoor air 27 is taken into the main body 1 from the lattice part 24 and guided to the heat exchange element part 16.

With such a configuration, when the heat exchange type ventilation device is switched between the exposed type and the concealed type, the outside air suction port 2, the indoor air exhaust port 3, the outside air supply port 4 on the both sides of the main body 1, the room The component arrangement of the air suction port 5, the electric blower 14, and the heat exchange element unit 16 can be made the same. Then, by changing the inflow path of the indoor air 27 to the heat exchange element unit 16, the heat exchange type ventilator is switched between the exposed type and the concealed type. That is, in the concealment type heat exchange type ventilator, the side opening 18 is provided in the heat exchange element section 16, and the lateral exhaust air passage 15 serves as an inflow route to the main body 1 of the indoor air 27 and communicates with the indoor air inlet 17. . In the exposed heat exchange type ventilator, the indoor air inlet 17 of the heat exchange element portion 16 is communicated with the room 29 below the main body 1.

The heat exchange type ventilator of the present invention is useful for applications such as a duct type heat exchange air device and a duct type air conditioner for the purpose of heat exchange between outside air and room air.

DESCRIPTION OF SYMBOLS 1 Main body 2 Outside air inlet 3 Indoor air exhaust port 4 Outside air inlet 5 Indoor air inlet 6 Supply air ventilation path 7 Exhaust ventilation path 8 Supply blade 9 Exhaust blade 10 Electric motor 11 Sheet metal 12 Supply casing 13 Exhaust casing 14 Electricity Blower 15 Horizontal exhaust air passage 16 Heat exchange element section 17 Indoor air inlet 18 Side opening 19 Coarse dust / insect filter 20 Air supply cleaning filter 21 Ceiling surface 22 Louver frame 23 Maintenance panel 24 Lattice section 25 Housing 26 Outside air 27 Indoor air 28 29 outdoors

Claims

The body,
The main body includes a heat exchange element portion for exchanging heat between indoor air and outdoor air,
An outside air intake port that sucks the outside air into a casing that surrounds the main body, an indoor air exhaust port that exhausts the indoor air heat-exchanged by the heat exchange element unit, and the outside air that is heat-exchanged by the heat exchange element unit indoors An outside air supply port for supplying air to the room, and an indoor air intake port for sucking the indoor air,
Further, the main body sucks the outside air from the outside air inlet, supplies the room air from the outside air inlet to the room, and sucks the room air from the room air inlet to exhaust the outside from the room air outlet. An electric blower with an air casing;
A heat exchange ventilator comprising a supply air blowing path from the outside air inlet to the outside air inlet through the heat exchange element part,
A side opening is provided on a side surface of the heat exchange element section on the side where the side exhaust air passage is located, and a side air opening is provided between the air supply casing and the housing, and the side air suction is provided. A heat exchange type ventilator comprising an exhaust air blowing path from the opening to the side air opening, the side opening, and the heat exchange element portion to the indoor air exhaust port.
The heat exchange type ventilator according to claim 1, wherein the indoor air suction port is closed, and an indoor air inlet for sucking the indoor air of the heat exchange element portion is communicated with the room.