KR-20260062687-A - snsible heat exchanger and heat recovery type ventilation apparatus using the same

Abstract

The present invention relates to a sensible heat exchanger and a heat recovery type ventilation device applying the same, comprising a first support member and a second support member alternately stacked above and below a heat exchange film, respectively, and wherein the heat exchange film is formed of aluminum foil. According to such a sensible heat exchanger and a heat recovery type ventilation device applying the same, the weight can be reduced and the heat exchange efficiency improved by using aluminum foil for the heat exchange film of the sensible heat exchanger.

Inventors

• 고대권
• 박영규
• 김정훈
• 이채은

Assignees

• 주식회사 에콤

Dates

Publication Date

20260507

Application Date

20241029

Claims (6)

1. A sensible heat exchanger comprising a first support and a second support that are alternately stacked above and below a heat exchange film, respectively, A sensible heat exchanger characterized in that the heat exchange film is formed of aluminum foil.
2. A sensible heat exchanger according to claim 1, characterized in that the heat exchange film has a thickness of 10 to 80 μm.
3. In claim 1, the first support The apparatus comprises a first central heat exchanger installed on the upper side of the heat exchange film, an outside air inlet heat exchanger installed on one side of the first central heat exchanger and having outside air inlets formed therein, and an outside air outlet heat exchanger installed on the other side of the first central heat exchanger and having outside air outlets formed at an angle to the outside air inlets. The above second support It comprises a second central heat exchanger located on the lower side of the heat exchange film, through which indoor air flows to form a counter-flow with the outside air flowing through the first central heat exchanger; an indoor outlet heat exchanger installed on one side of the second central heat exchanger, having indoor outlets formed opposite to the outside air inlets to form a cross-flow with the outside air flowing through the outside air inlet heat exchanger; and an indoor inlet heat exchanger installed on the other side of the second central heat exchanger, having indoor inlets formed opposite to the outside air outlets. A sensible heat exchanger characterized in that the width of the internal air inlets and the external air inlets formed at the edges of both sides among the internal air inlets and the external air inlets is wider than the width of the adjacent internal air inlet or external air inlet.
4. In paragraph 3, the first central heat exchanger of the first support body comprises a first partition rib formed parallel to each other to form an external air flow path, and first connecting ribs supporting the first partition ribs, wherein vortex-generating protrusions are formed on the first connecting ribs to turbulently generate external air passing through the external air flow path. A sensible heat exchanger characterized in that the second central heat exchanger of the second support body comprises a second compartment rib formed parallel to each other to form an external air flow path, and a second connecting rib that supports the second compartment ribs, wherein the second connecting rib has vortex-generating protrusions formed thereon to turbulently generate the external air passing through the external air flow path.
5. In paragraph 3, Outside air inlet distribution ribs and inside air inlet distribution ribs are formed in the above-mentioned outside air inlet heat exchanger and inside air inlet heat exchanger, respectively, and A sensible heat exchanger characterized in that an inlet outside air pressure balancing groove is formed in the above-mentioned outside air inlet distribution rib, and an inlet inside air pressure balancing groove is formed in the above-mentioned inside air inlet distribution rib.
6. A sensible heat exchanger comprising a heat exchange film formed of aluminum foil, and first and second supports alternately stacked above and below the heat exchange film, respectively; A heat recovery type ventilation device characterized by having a heat exchanger mounting section in which the above-mentioned sensible heat exchanger is installed, an outside air intake unit mounting section in which an outside air supply unit for supplying outside air to the outside air inlet of the above-mentioned sensible heat exchanger is installed, an inside air intake unit mounting section in which an inside air supply unit for supplying inside air to the inside air inlet side of the above-mentioned sensible heat exchanger is installed, and a housing having an outside air outlet and an inside air outlet of the above-mentioned sensible heat exchanger formed on one side.

Description

Sensible heat exchanger and heat recovery type ventilation apparatus using the same The present invention relates to a sensible heat exchanger and a heat recovery ventilation device applying the same, and more specifically, to a sensible heat exchanger constructed to reduce heat exchange efficiency and weight, and a heat recovery ventilation device applying the same. Generally, heat exchangers used in building ventilation systems perform heat exchange between the indoor unit, which is discharged to the outside through the heat exchanger, and the outdoor unit, which is drawn in from the outside during indoor-outdoor ventilation. Heat exchangers can be classified into sensible heat exchangers and total heat exchangers. Sensible heat exchangers are devices that exchange only heat without moisture, whereas total heat exchangers are devices that exchange both heat and moisture, utilizing the temperature and humidity of wasted indoor air. This heat exchanger has a structure in which the airflow paths for the outdoor unit drawing air into the room and the airflow paths for the indoor unit discharging air into the room are stacked alternately at right angles to each other, allowing heat to be exchanged by crossing each other without mixing. Meanwhile, sensible heat exchangers that recover only heat primarily utilize thin plate-shaped polymer sheets or aluminum plates, and various such designs have been disclosed, including in Korean Registered Patent No. 10-1554910. In this context, the polymer sheets and aluminum plates simultaneously serve as the heat exchange medium and the structural components of the heat exchanger. Consequently, there is a limitation in that thin plates cannot be used, as the thickness of the polymer sheets and aluminum plates must maintain a certain level of rigidity. As such, if very thin sheets cannot be used so that polymer sheets and aluminum plates can simultaneously perform the functions of a heat exchange medium and a heat exchanger structure, there is a disadvantage in that the weight of the heat exchanger becomes heavier relative to its inherent function or the cost of components inevitably increases. FIG. 1 is an exploded perspective view of a heat recovery type ventilation device to which a sensible heat exchanger according to the present invention is applied, and FIG. 2 is an exploded perspective view illustrating the sensible heat exchanger of FIG. 1, and FIGS. 3 and 4 are perspective views illustrating excerpts of the essential parts of the first and second supports of FIG. 2, and FIG. 5 is a perspective view showing the flow state of the outside air and the inside air during heat exchange in the sensible heat exchanger of FIG. 2, and Figure 6 is a graph showing a comparison of the heat exchange efficiency between an aluminum plate and an aluminum foil, and Figure 7 is a graph showing a comparison of the weights of aluminum (aluminum) plates and aluminum (aluminum) foil. Hereinafter, a sensible heat exchanger according to a preferred embodiment of the present invention and a heat recovery type ventilation device applying the same will be described in more detail with reference to the attached drawings. FIG. 1 is an exploded perspective view of a heat recovery type ventilation device to which a sensible heat exchanger according to the present invention is applied. Referring to FIG. 1, the heat recovery ventilation device (10) according to the present invention comprises a housing (20), an outside air supply unit (30), an inside air supply unit (40), and a sensible heat exchanger (50). The housing (20) is formed in the shape of a square box, and a heat exchanger mounting part (21) is provided inside. On one side of the housing (20), that is, on the upper side, an outdoor unit intake port (31), an outdoor unit exhaust port (32), an indoor unit intake port (41), and an indoor unit exhaust port (42) are formed. The outdoor unit intake port (31) and the indoor unit intake port (41) each have a structure that communicates with the outdoor air intake part and the indoor air intake part of the sensible heat exchanger (50) described later. The housing (20) has an outside air intake unit mounting section (24) formed on both sides of the heat exchanger mounting section (21) where the sensible heat exchanger (50) is installed, on which an outside air supply unit (30) is installed to suck in and discharge outside air from the outside air discharge section of the sensible heat exchanger (50), and an inside air intake unit mounting section (26) formed on which an inside air supply unit (40) is installed to suck in and discharge inside air toward the inside air discharge section of the sensible heat exchanger (50). The sensible heat exchanger (50) is installed in the heat exchanger mounting portion (21) of the housing (20) and is substantially formed as a cuboid, and the corresponding corner portions are chamfered parallel to each other to have a sealing portion (51), and the detailed structure