JPS6042293Y2 - Heat exchanger - Google Patents

Description

[Detailed explanation of the idea] This invention relates to improvements in heat exchangers.

As shown in Fig. 1, a conventional heat exchanger consists of a flat partition plate 1 made of a heat-conducting and moisture-permeable material, such as Japanese paper, in multiple layers via a corrugated spacer plate 2. They were overlapped and formed integrally with adhesive.

By passing the primary airflow A through every other layer between the layers of the heat exchanger constructed in this manner, and passing the secondary airflow B between the other layers, the partition plate 1 is inserted between the primary airflow A and the secondary airflow B. Heat and moisture are transferred through the ventilator, and thermal energy lost through ventilation is recovered, for example by providing a simultaneous intake and exhaust ventilator.

However, in the above configuration, the amount of material used for the spacing plate 2 is large, and the wave pitch is 4 to 67 rr! Since it is as fine as n, there is a drawback that the pressure loss is also high.

This invention was devised in view of the above-mentioned drawbacks, and aims to provide a heat exchanger that requires less material and has low pressure loss.

To this end, the structure of this invention consists of stacking boards that are integrally provided with vertical inverted U-shaped cross-section rising parts by bending them at predetermined intervals, and stacking each board in multiple layers at different predetermined angles. The top of the rising part of the stack is provided so that it is in continuous contact with the adjacent stacked plates, and the primary airflow is passed through every other layer between the multiple layers of each stacked plate, and the secondary airflow is passed between the remaining layers. It is formed to allow heat exchange to occur through plates.

Hereinafter, one embodiment of this invention will be described with reference to FIG. 2. In the figure, 3 is a stack of Japanese paper or the like formed integrally with rising portions 4 having an inverted U-shape in cross section at a pitch of 10 to 20 mm; Reference numeral 5 designates a flat plate-shaped end plate, which holds the stacked plates 3 with their rising portions 4 formed in alternating directions by 90°, and an end plate 5 is provided at the end.

In this state where a plurality of stacked plates 3 are stacked one on top of the other, the top of the rising portion 4 of each stacked plate 3 is in continuous contact with the lower surface of the adjacent upper stacked plate 3 or end plate 5. As a result, a primary air passage 6 and a secondary air passage 7 are formed.

By passing the primary air flow between every other layer (primary air passage 6) of the heat exchanger constructed in this way, and passing the secondary air flow between the other layers, the stacked plates are created between the primary air flow and the secondary air flow. Heat and humidity are transferred through 3, and thermal energy is recovered in the same way as in the past.

Furthermore, by providing the upright portion 4 in the stacking plates 3, the spacing plates in the conventional device are no longer necessary, and the amount of material used is approximately 50 to 60% of that of the conventional device.

In the above embodiment, the stacked boards 3 are made of Japanese paper, but if humidity exchange is not required, the same effect can be expected by using metal such as aluminum.

Furthermore, as shown in FIG. 3, when the strength of the rising portion 4 in FIG. 2 is low, providing a reinforcing member 8 on this rising portion 4 has the effect of providing a stronger heat exchanger. You can expect it.

As explained above, by forming the rising part on the stacked plates by bending them, the amount of material used can be reduced, reducing manufacturing costs, and the pitch of the rising part can be increased, reducing pressure loss. It has the effect of lowering

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a conventional heat exchanger, FIG. 2 is a perspective view showing one embodiment of this invention, and FIG. 3 is a perspective view showing another embodiment of this invention. In addition, the same reference numerals in each figure indicate the same or corresponding parts, and 3
is a stacked board, 4 is a rising part, 5 is an end plate, 6 is a primary ventilation path,
7 is a secondary ventilation path.

Claims (1)

[Scope of utility model registration request] Stacked boards with vertical inverted U-shaped cross-sectional rising parts formed by bending at predetermined intervals are stacked one on top of the other in multiple layers at different predetermined angles, and the tops of the rising parts of each stack are adjacent to each other. It is provided so as to be in continuous contact with the stacked plates, and the primary airflow is passed between every other layer between the multiple layers of each stacked plate, and the secondary airflow is passed between the remaining layers, so that heat exchange is performed between the stacked plates. A heat exchanger formed like this.