JPH0731019B2 - Heat exchanger - Google Patents

Description

TECHNICAL FIELD The present invention relates to a heat exchanger that reduces heat loss during ventilation.

2. Description of the Related Art In recent years, a heat exchanger has been incorporated into a ventilation device to recover exhaust heat and reduce heat loss. As the heat exchanger, there is known a heat exchanger in which blocks in which corrugated spacing plates are fixed from above and below by flat partition plates are laminated so as to form flow passages for a primary air flow and a secondary air flow. However, in the structure described above, the blocks forming the primary airflow passage and the secondary airflow passage form an overlapping portion in the partition plate. The overlapping portion is a heat transfer surface for heat exchange between the primary airflow C and the secondary airflow D, and if the material is the same and the heat transfer area is the same, the thinner the thickness, the higher the heat exchange efficiency. If it goes wrong, the heat exchange efficiency will decrease because the thickness will be doubled.

A honeycomb type heat exchanger 100 shown in FIG. 3 has been proposed to solve the above problems. The honeycomb heat exchanger 100 includes sheets 101, 10 as shown in FIGS.
Adhesive 1 except for the part that forms the discharge opening on 2,103
Apply 04, 105, 106. When the sheets are overlapped, the application position is between the lines of the adhesive 104 of the sheet 101 and the sheet
The adhesive 105 of the sheet 102 is applied so that the adhesive 105 of the sheet 102 is applied between the lines of the adhesive 105 of the sheet 102. Adhesives 10 are formed in the direction perpendicular to the adhesives 104, 105, 106 at the ends of the sheets 101, 102, 103 on which the openings are formed.
7,108,109 are applied, but the adhesives 107,109 are applied to the edges of the sheets 101,103, and the sheets 101,10 are applied for the sheet 102.
The adhesive is applied to a position closer to the adhesive 105 than the adhesives 107 and 109 of 3. Sheets 102 and 103 are XX, Y as shown in Fig. 4B and C.
A cutting line is inserted in the −Y direction to form the cutting portions 110 and 111. 101, 102, 103, each sheet configured as described above
After laminating in the order of 102, and then rotating 180 degrees on the same plane, the sheets are laminated in the order of 101, 102, 103, 102. After that, the sheets 101, 102, 103 are expanded in the direction away from each other and the cutouts 110, 1
A honeycomb heat exchanger 1 in which a plurality of flow passages 112 are formed between the non-bonded portions of the sheets 101, 102, 103 by cutting off the sheet 11
00 was obtained (for example, Japanese Patent Application No. 59-2638).
No. 16 (see JP-A-61-140792).

Problems to be Solved by the Invention In such a conventional configuration, the heat exchange efficiency is reduced by forming the partially overlapping portion 113 between the sheet 101 and the sheet 102. In addition, the flow passage 1 composed of each seat 101, 102, 103
12 has many surfaces 114 that come into contact with each air flow, increasing the air flow resistance of each air flow. Further, the surface 114 in contact with each airflow in the airflow passage 112 has a property of shrinking, and this reduces the opening of the airflow passage 112 for each airflow, so a blower having a large ability to supply or exhaust each airflow. Was needed.

The present invention takes note of such conventional problems, reduces the overlapping portion on the partition plate for heat exchange between the primary air stream and the secondary air stream, improves heat exchange efficiency, and makes contact with each air stream. It is an object of the present invention to provide a heat exchanger having a structure in which the inlet of each air flow is easily opened and the air flow resistance can be reduced.

Means for Solving the Problems In order to solve this problem, the present invention is directed to both side parts of a partition plate so as to form an inlet side flow passage on a partition plate for partition heat exchange between a primary air flow and a secondary air flow. And a flow path component that is expandable and contractible in the stacking direction, and a shield that is expandable and contractable in the stacking direction provided at the end of the partition plate so as to change the direction of the inlet side flow path to form the outlet side flow path. A first block provided with a section and a second block obtained by converting the first block by 180 ° on the same plane, and a plurality of the first blocks and the second blocks are alternately laminated and adhered to each other to form the flow path structure. The heat exchanger is configured to extend the components and the shielding portion to form a passage for the primary air flow and the secondary air flow.

Action With this structure, the heat exchange efficiency is improved because the overlapping part on the heat transfer plate that exchanges heat between the primary air flow and the secondary air flow is reduced, and the number of surfaces in contact with each air flow is also reduced. Since the number of surfaces to be set is also small, the air flow resistance in the inflow opening and the flow passage of each air flow is reduced.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. Fig. 2 (a), (b) and (c) are component configuration diagrams for manufacturing the heat exchanger 1, and (a) excludes the air flow outlets 16, 20 at both ends on the long side of the paper partition plate 2. Then, the adhesive 3 to be the adhesive portion is applied. In addition, the air discharge port of the partition plate 2
On the 16 and 20 parts side, an adhesive 4 which is an adhesive part is applied in a direction perpendicular to the adhesive 3. Numerals 5 and 7 are flow path constituent parts for forming a flow path on the inlet side of the air flow, and numeral 5 is an adhesive agent 6 serving as an adhesive portion so as to be inside the adhesive agent 3 on the partition plate 2, 7 applies an adhesive 8 which will serve as an adhesive portion so that it is at the same position as the adhesive 3 of the partition plate 2. Numerals 9 and 10 are shielding parts made of paper, which constitute a shielding part 21 for changing the direction of the air flow flowing to the inlet side flow passage so as to form the outlet side flow passage. The agent 11 is applied so as to be located inside the adhesive 4 on the partition plate 2, and the adhesive 12 serving as an adhesive portion on 10 is applied at the same position as the adhesive portion 4 on the partition plate 2. .

The parts constituting the heat exchanger 1 formed as described above are laminated and adhered in the order of a, b, c, and b as a first block, and similarly, the a, b, c, and b are laminated and adhered in this order. 1
The second block is a block rotated 180 degrees on the same plane, and the first block and the second block are alternately laminated in a plurality of stages, and the non-adhesive portions 19 are expanded in a direction away from each other. 1. In the heat exchanger of FIG. 1, the flow path components 5, 7 and the shield portion 21 are configured to be expandable and contractable in the stacking direction.

With the above configuration, the primary airflow A flows in from the end surface 14 of the heat exchanger 1, passes through the flow passage 15, and is discharged or supplied from the discharge portion 16 of the primary airflow A. On the other hand, the secondary airflow B enters from the end surface 17 different from the inflow end surface 14 of the primary airflow A of the heat exchanger 1, passes through the flow passage 18, and is supplied or exhausted from the discharge portion 20 of the secondary airflow B. The primary airflow A and the secondary airflow B are heat-exchanged via the surface of the partition plate 2.

As described above, according to the present embodiment, the first block in which the airflow passage component parts 5, 7 and the shielding part parts 9, 10 are laminated and adhered on the partition plate 2 and the first block are on the same plane. By rotating the first block and the second block alternately in a plurality of stacked layers by rotating the first block and the second block by 180 degrees, a heat exchanger having a structure in which the non-bonded portion is expanded in the direction to be separated, The number of overlapping portions on the partition plate is reduced, the opening of the inflow port is easily opened, and the surface in contact with each air flow is reduced, so that the air flow resistance can be reduced.

In the embodiment, the order of stacking one block constituting the heat exchanger is set to a, b, c, and b. However, depending on the state of the opening of the airflow inflow, a, b, and b may also be arranged in the order. , B, C, and B may be in order, but the airflow resistance decreases as the number of components that make up one block increases, but heat transfer efficiency decreases because the heat transfer area decreases when compared with the same volume. . Further, in the examples, the partition plate made of paper for exchanging temperature and humidity is used, but a non-moisture permeable aluminum foil for exchanging only temperature or a material such as resin can be used as compared with the conventional sensible heat exchanger. Also, the temperature exchange efficiency is improved.

EFFECTS OF THE INVENTION As is clear from the above description of the embodiments, according to the present invention, the flow channel structure is provided in both sides of the partition plate so as to be expandable and contractable in the stacking direction so as to form the inlet side flow channel on the partition plate. A first block provided with a component and a shielding part that is expandable and contractable in the stacking direction and is provided at an end of the partition plate so as to change the direction of the inlet side flow passage to form the outlet side flow passage; A second block obtained by converting one block by 180 ° on the same plane, a plurality of the first block and the second block are alternately laminated and bonded, and the flow path component and the shielding part are extended to form a primary air flow and a secondary air flow. Since the airflow passage is formed, the number of overlapping parts on the partition plate is reduced, improving heat exchange efficiency, making it easier to open each airflow inlet, and reducing the contact surface with each airflow. Because the airflow resistance becomes small, the ability is small. Blower can be used, also, by the tension state during manufacture of the heat exchanger, by adjusting the air flow resistance in the flow path of the heat exchanger, there is an advantage that it also adjusts the air volume and the heat exchange efficiency.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing a heat exchanger according to an embodiment of the present invention, FIG. 2 is a view showing parts constituting the heat exchanger, and FIG.
The figure is a partially broken perspective view showing a conventional honeycomb heat exchanger,
FIG. 4 is a component diagram of the honeycomb heat exchanger. 1 ... heat exchanger, 2 ... partition plate, 3,4,6,8,11,12 ... adhesive, 5,7 ... flow passage component, 9,10 ... shielding part, 1
5 …… Primary airflow passage, 18 …… Secondary airflow passage, 19 ……
Non-bonded part.

Claims (1)

[Claims] 1. A flow path component that is expandable in the stacking direction and is provided on both sides of the partition plate so as to form an inlet side flow path on the partition plate for partitioning heat exchange between the primary air flow and the secondary air flow. A first block provided with a shield part which is provided at an end portion of the partition plate and is expandable and contractable in the stacking direction so as to change the direction of the inlet side flow path to form the outlet side flow path; A second block which is converted by 180 ° on the same plane, and a plurality of the first block and the second block are alternately laminated and adhered, and the flow path component and the shielding part are extended to distribute the primary air flow and the secondary air flow. A heat exchanger that forms a channel.