JPH04316941A - Heat exchanger type ventilator - Google Patents

Abstract

PURPOSE:To prevent air leakage, reduce the production cost with a decrease in the number of parts, and enhance the strength of duct joints with reinforcing plates by molding a fan casing and duct joints, and a path unit and duct joints are molded in one-piece each. CONSTITUTION:An exhaust fan casing 9 and an indoor suction duct joint 19, and an air supply fan casing 11 and an outdoor suction duct joint 21 are molded of foamed resin in one piece each. A path unit 14 holds heat exchanging elements 13 inside and separates an exhaust gas path 4 from a supply air path 7, and the path unit 14, a indoor outlet duct joint 24 and an outdoor outlet duct joint 25 are molded of foamed resin in one piece. Reinforcing plates 23 that are cut-raised from side plates 22 of the main body 1 are inserted into grooves 20 of the duct joints to prevent air leakage from the duct joints and the main body 1 and to eliminate the need of separate duct joint parts and heat-insulating material, so that the production cost is cut down and the strength of the duct joint is enhanced.

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 device for ventilation of houses, offices, etc.

0002

BACKGROUND OF THE INVENTION In recent years, as buildings have become more airtight, the importance of ventilation has been recognized, and there is a particular need for heat exchange ventilation that is effective in saving energy.

Conventionally, this type of heat exchange type ventilation system is shown in FIG.
The configuration was as shown in FIG. The configuration will be described below with reference to FIGS. 5 and 6.

As shown in the figure, 101 is the indoor suction port 1.
02 to the outdoor discharge port 103;
The main body has an air supply passage 107 extending from an outdoor side suction port 105 to an indoor side discharge port 106, an exhaust passage 104 is provided with an exhaust vane 108, and an air supply passage 107 is provided with an air supply vane 109.
and a motor 110 for rotating them, and a heat exchange element 111 is provided at the intersection of the exhaust passage 104 and the air supply passage 107.

[0005] 112, 113, 114, and 115 are sheet metal duct connecting parts provided at the indoor side suction port 102, the outdoor side discharge port 103, the outdoor side suction port 105, and the indoor side discharge port 106, respectively. 117,118,
It is connected to 119.

Reference numerals 120, 121, 122, and 123 are passage partition plates made of sheet metal, which hold the heat exchange element 111 and partition the exhaust passage 104 and the air supply passage 107.

Insulating materials 124, 125, 126, and 127 are attached to the passage partition plates 120, 121, 122, and 123, respectively, to prevent condensation caused by the temperature difference between the exhaust passage 104 and the air supply passage 107.

Reference numeral 128 denotes a main body heat insulating material attached to the outer surface of the main body 101 to prevent dew condensation from forming on the outer surface of the main body 101.

In the above configuration, when the motor 110 is operated, the indoor air flows through the indoor suction port 1 as shown by the arrow X→X'.
02 and passes through the exhaust passage 104 to the heat exchange element 1.
11 and is exhausted outdoors from the outdoor outlet 103.
Outdoor air is sucked in from the outdoor side suction port 105 as shown by the arrow Y→Y', passes through the air supply passage 107, passes through the heat exchange element 111, and is supplied indoors from the indoor side discharge port 106. More heat exchange and ventilation will be required.

0010

[Problems to be Solved by the Invention] In such a conventional heat exchange type ventilation system, duct connections 112 are provided at the indoor suction port 102, the outdoor discharge port 103, the outdoor suction port 105, and the indoor discharge port 106, respectively. , 113, 114, and 115 are required as separate parts from the main body 101, which incurs material costs and requires additional man-hours for installation during manufacturing.
Air leakage was likely to occur from the attachment point of No. 5 to the main body 101.

[0011] Also, passage partition plates 120, 121, 122, 123 partition the exhaust passage 104 and the air supply passage 107.
Insulation material 124, 125, 126 to prevent condensation on all
, 127 is required, and a main body insulating material 128 for preventing condensation is required on the exterior surface of the main body 101, which increases material costs for the insulating material and requires a large number of man-hours to attach the insulating material during manufacturing. There was a problem with this being a factor in increasing costs.

[0012] The present invention solves the above-mentioned problems by integrally molding the exhaust fan casing and the indoor suction duct connection part provided with a plurality of grooves with foamed resin, thereby making it possible to separate the air supply from separate parts. It eliminates the need for a duct connection, prevents air leakage between the duct connection and the main body, maintains the heat exchange element provided at the intersection of the exhaust passage and air supply passage, and also By integrally molding the passage unit that forms the partitions, the indoor discharge duct connection part with multiple grooves, and the outdoor discharge duct connection part with multiple grooves with foamed resin, the duct connection of separate parts is possible. In addition to making the exhaust passage and air supply passage a heat-insulating space, manufacturing costs can be reduced by eliminating the need for insulation material for partitions between each passage. It is an object of the present invention to provide a heat exchange type ventilation device in which the strength of each duct connection part can be improved by inserting a raised reinforcing plate.

[0013]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides an exhaust passage leading from an indoor suction port provided at an indoor suction duct connection portion to an outdoor discharge port provided at an outdoor discharge duct connection portion; It has an air supply passage leading from the outdoor side suction port provided at the outdoor suction duct connection part to the indoor side discharge port provided at the indoor discharge duct connection part, and the exhaust passage is provided with an exhaust vane and a foamed resin exhaust fan casing. an air supply vane and an air supply fan casing made of foamed resin are provided in the air supply passage, and a motor for rotating the exhaust vane and the air supply vane is provided, and the exhaust passage and the air supply passage are connected to each other. A passage unit is integrally molded with a foamed resin, and a heat exchange element is provided at the intersection with the heat exchange element, and a passage unit is integrally formed with a foamed resin that holds the border line in the stacking direction of the heat exchange element and partitions the exhaust passage and the air supply passage. The indoor suction duct connection portion is molded integrally with the suction portion of the exhaust fan casing, and the outdoor suction duct connection portion is molded integrally with the suction portion of the air supply fan casing, and each has a plurality of grooves. In addition to establishing
A plurality of reinforcing plates cut and raised outward from the main body side plate are inserted into the grooves and provided through the main body side plate, and the indoor discharge duct connection part and the outdoor discharge duct connection part are integrated with the passage unit. This structure is formed by forming a plurality of grooves, and a plurality of reinforcing plates cut and raised outward from the side plates of the main body are inserted into the grooves and penetrated through the side plates of the main body.

[0014]

[Operation] With the above-described structure, indoor air is sucked in from the indoor suction port, passes through the heat exchange element, and is exhausted outdoors from the outdoor discharge port, and outdoor air is sucked in from the outdoor suction port and passes through the heat exchange element. Air is supplied into the room from the indoor side outlet through the air outlet, and heat exchange ventilation is performed by the heat exchange element. The air fan casing and the outdoor suction duct connection part with multiple grooves are each integrally molded with foamed resin, eliminating the need for a separate duct connection part, holding the heat exchange element, and connecting it to the exhaust passage. A passage unit that partitions and forms an air supply passage, an indoor discharge duct connection part provided with a plurality of grooves, and an outdoor discharge duct connection part provided with a plurality of grooves are integrally molded with foamed resin,
This eliminates the need for a separate duct connection part and the need for insulation, and improves the strength of each duct connection part by inserting reinforcing plates cut and raised from the side panels of the main unit into the grooves provided in each duct connection part. It is something that can be done.

[0015]

[Example] Hereinafter, an example of the present invention will be described with reference to FIGS. 1 and 2.
This will be explained with reference to FIG.

As shown in the figure, reference numeral 1 denotes a main body having an exhaust passage 4 leading from an indoor suction port 2 to an outdoor discharge port 3, and an air supply passage 7 leading from an outdoor suction port 5 to an indoor discharge port 6. in,
The exhaust passage 4 is provided with an exhaust vane 8 and an exhaust fan casing 9 made of foamed resin, and the air supply passage 7 is provided with an air supply vane 10 and an air supply fan casing 11 made of foamed resin.
A motor 12 is provided to rotate the exhaust vane 8 and the air supply vane 10, and a heat exchange element 13 is provided at the intersection of the exhaust passage 4 and the air supply passage 7.

Reference numeral 14 denotes a passage unit, in which passage partition plates 15, 16, 17, and 18 are made of foamed resin to hold the lines in the stacking direction of the heat exchange elements 13 and to partition the exhaust passage 4 and the air supply passage 7. The exhaust passage 4 and the air supply passage 7 are defined by integral molding.

Reference numeral 19 denotes an indoor suction duct connection part having an indoor suction port 2 and having a plurality of grooves 20 on the outer circumference.
Molded integrally with the exhaust fan casing 9, 21 is an outdoor suction duct connection part having an outdoor suction port 5 and provided with a plurality of grooves 20 on the outer periphery. , respectively the main body side plate 22
A plurality of reinforcing plates 23 cut and raised outward from the main body side plate 22 are inserted into the groove 20 and provided so as to pass through the main body side plate 22.

Reference numeral 24 denotes an indoor discharge duct connection part 2 which has an indoor discharge port 6 and has a plurality of grooves 20 on its outer periphery.
Reference numeral 5 denotes an outdoor discharge duct connection part having an outdoor discharge port 3 and having a plurality of grooves 20 on the outer periphery, each of which is molded integrally with the passage unit 14 and cut upward from the main body side plate 22 toward the outside. Multiple reinforcement plates 2
3 is inserted into this groove 20 and penetrates through the main body side plate 22.

In the above configuration, when the motor 12 is operated, the indoor air is sucked in through the indoor suction port 2 provided in the indoor suction duct connection part 19 integrally formed with the exhaust fan casing 9, as shown by the arrow A→A'. The air then passes through the exhaust passage 4, passes through the heat exchange element 13, and is exhausted to the outside from the outdoor discharge outlet 3 provided in the outdoor discharge duct connection part 25 integrally formed with the passage unit 14, and the outdoor air moves in the direction of arrow B→B'. As shown in the figure, the air is sucked in through the outdoor side suction port 5 provided in the outdoor suction duct connection part 21 integrally molded with the air supply fan casing 11, passes through the air supply passage 7, passes through the heat exchange element 13, and is then connected to the passage unit 14. Air is supplied into the room from the indoor side discharge port 6 provided in the integrally molded indoor discharge duct connection part 24, and heat exchange ventilation is made possible by the heat exchange element 13.

As described above, according to the heat exchange type ventilation system of the embodiment of the present invention, the exhaust fan casing 9 and the indoor suction duct connection part 19 and the air supply fan casing 11 and the outdoor suction duct connection part 21 are connected. Since they are each integrally molded from foamed resin, there is no need for a separate duct connection part, and air leakage between the duct connection part and the main body 1 can be prevented.

Furthermore, a passage partition plate 15 that holds the heat exchange element 13 and partitions the exhaust passage 4 and the air supply passage 7;
16, 17, and 18 are integrally molded with foamed resin to form a partition between the exhaust passage 4 and the air supply passage 7, the indoor discharge duct connection part 24, and the outdoor discharge duct connection part 25 are integrated. Because it is molded into a
becomes a heat insulating space, and passage partition plates 15, 16, 17, 18
This eliminates the need for heat insulating material, reducing manufacturing costs.

Furthermore, since the reinforcing plate 23 cut and raised from the main body side plate 22 is inserted into the groove 20 provided at each duct connection part, the strength of each duct connection part of the foamed resin can be improved.

[0024]

[Effects of the Invention] As is clear from the above embodiments, according to the present invention, heat exchange ventilation is made possible by the heat exchange element.
Connect the exhaust fan casing and the indoor suction duct connection,
By integrally molding the air supply fan casing and the outdoor suction duct connection part with foamed resin, a separate duct connection part is not required, and air leakage between the duct connection part and the main body can be prevented. , a passage unit that holds a heat exchange element provided at the intersection of the exhaust passage and the air supply passage and partitions the exhaust passage and the air supply passage, an indoor discharge duct connection part, and an outdoor discharge duct connection part. By integrally molding with foamed resin, there is no need for a separate duct connection part, and the exhaust passage and air supply passage become insulated spaces, eliminating the need for insulation material for partitions between each passage, reducing manufacturing costs. By inserting reinforcing plates cut and raised from the side panels of the main body into the grooves provided at each duct connection part, it is possible to provide a heat exchange type ventilation device that is effective in improving the strength of each duct connection part. .

[Brief explanation of drawings]

FIG. 1 is a cross-sectional plan view of a heat exchange type ventilation device according to an embodiment of the present invention.

[Figure 2] O-O' sectional view in Figure 1

[Figure 3] P arrow view in Figure 2

FIG. 4 is a perspective view of a duct connection part of a heat exchange type ventilation system according to an embodiment of the present invention.

[Figure 5] Planar sectional view of a conventional heat exchange type ventilation system

[Figure 6]
Z-Z' sectional view in Figure 5

[Explanation of symbols]

2 Indoor suction port 3 Outdoor outlet 4 Exhaust passage 5 Outdoor side suction port 6 Indoor outlet 7 Air supply passage 8 Exhaust vanes 9 Exhaust fan casing 10 Air supply vane 11 Air supply fan casing 12 Motor 13 Heat exchange element 14 Passage unit 19 Indoor suction duct connection 20 groove 21 Outdoor suction duct connection part 22 Main body side plate 23 Reinforcement plate 24 Indoor discharge duct connection part 25 Outdoor discharge duct connection part

Claims (1)

[Claims] Claim 1: An exhaust passage leading from the indoor suction port provided at the indoor suction duct connection portion to the outdoor discharge port provided at the outdoor discharge duct connection portion, and from the outdoor suction port provided at the outdoor suction duct connection portion to the indoor It has an air supply passage leading to the indoor side discharge port provided at the discharge duct connection part, and the exhaust passage is provided with exhaust vanes and an exhaust fan casing made of foamed resin, and the air supply passage is equipped with an air supply vane and a foamed resin exhaust fan casing. A resin air supply fan casing is provided, a motor for rotating the exhaust vanes and the air supply vanes is provided, a heat exchange element is provided at the intersection of the exhaust passage and the air supply passage, and a heat exchange element is provided at the intersection of the exhaust passage and the air supply passage. A passage unit is provided which is integrally molded with a foamed resin that holds the line in the stacking direction of the replacement elements and partitions the exhaust passage and the air supply passage, and the indoor suction duct connection portion is connected to the exhaust fan casing. The outdoor suction duct connection part is molded integrally with the suction part of the air supply fan casing, and each part has a plurality of grooves and is cut upward from the main body side plate toward the outside. A plurality of reinforcing plates are inserted through the main body side plate while being inserted into the grooves, and the indoor discharge duct connection part and the outdoor discharge duct connection part are integrally molded with the passage unit, and each has a plurality of grooves. A heat exchange type ventilation device in which a plurality of reinforcing plates cut and raised outward from the side plate of the main body are inserted into the grooves and penetrated through the side plate of the main body.