JPH06288590A - Heat exchange type ventilating device - Google Patents

Abstract

PURPOSE:To provide a heat exchange type ventilating device in which a heat exchanger can be easily mounted in a short time and a safe inspection can be performed. CONSTITUTION:A heat exchange type ventilating device comprises an opening 8 formed at a bottom 7 of a body 1 for mounting a heat exchanger 6 in the body 1, and a fall-out preventive fitting 17 provided at the body 1 to prevent fall-out of the exchanger 6 mounted in the body 1, wherein the fitting 17 is connected to or removed from an end face of the exchanger 6 to hold the exchanger 6, and a cover 9 is provided at the opening 8.

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 ventilation device for recovering indoor thermal energy discharged to the outside by ventilation.

[0002]

2. Description of the Related Art In recent years, as a means for ventilating a room that is being cooled or heated, dirty air in the room is discharged to the outside, fresh air outside is taken in, and heat is generated between the indoor air and the outdoor air. BACKGROUND ART A heat exchange type ventilation device has been widely used, which performs heat exchange through an exchanger, transfers the thermal energy of exhausted indoor air to outdoor air, and recovers it indoors.

Heretofore, a heat exchange type ventilation device of this type has generally been constructed such that a heat exchanger and a lid are integrally provided in order to prevent the heat exchanger from falling off.

The structure will be described below with reference to FIGS. 4 and 5. As shown in the figure, inside the main body 105 provided with the indoor-side suction port 101 and the indoor-side discharge port 102 communicating with the room, and the outdoor-side suction port 103 and the outdoor-side discharge port 104, the stacking direction Is provided with a square pole-shaped heat exchanger 106, and a bottom surface 107 of the main body 105 is provided with a detachable opening 108 of a size into which the heat exchanger 106 is inserted, and the heat exchange for closing the opening 108. A lid 109 integrated with the container 106 was provided with a hinged fastener 110 on the opposite side and was attached together with the bottom surface 107.

[0005]

In the structure of such a conventional heat exchange type ventilator, since the lid 109 integral with the heat exchanger 106 is larger than the opening 108, the main body 105.
There is a problem that the opening 108 on the side is difficult to see especially at the time of insertion, and the heat exchanger 106 is difficult to insert at the time of inspection.

The present invention solves the above problems, and a first object thereof is to facilitate insertion of a heat exchanger during inspection.

The second purpose is to facilitate holding of the heat exchanger.

[0008]

In order to achieve the above first object, the heat exchange type ventilator of the present invention comprises:
An indoor-side suction port and an indoor-side discharge port communicating with the room, a main body provided with an outdoor-side suction port and an outdoor-side discharge port communicating with the outside, and a square column-shaped heat exchanger in which the stacking direction is vertical, An opening formed on the bottom surface of the main body for mounting the heat exchanger inside the main body, a cap for preventing the heat exchanger mounted inside the main body from falling off, and the opening. And a lid body that is detachably attached to the heat exchanger, and holds the heat exchanger by engaging and disengaging the fall-prevention metal fitting with the end surface of the heat exchanger.

Further, in order to achieve the second object, the second
In the means of (1), the fall-preventing metal fitting is an L-shaped spring material, the vertical plate tip is fixed to the main body, and the horizontal plate tip is the opening side,
The horizontal plate can be moved substantially horizontally to the counter-opening portion, and the lower plate of the heat exchanger is normally brought into contact with the horizontal plate of the drop-prevention metal fitting so that the heat exchanger can be held.

[0010]

According to the present invention, when the heat exchanger is mounted on the main body at the time of inspection by the structure of the first means described above, first, the fall-prevention metal fitting is moved to the side opposite to the opening portion to move the heat exchanger to the main body. After being inserted into the inside, the fall prevention metal fitting is engaged with the lower end surface of the heat exchanger to hold the heat exchanger. Then, the lid is attached so as to cover the opening.

Further, according to the structure of the second means, when the heat exchanger is mounted on the main body at the time of inspection, first, the heat exchanger is inserted while moving the horizontal plate of the drop-out preventing metal fitting to the side opposite to the opening. Then, by releasing the horizontal plate of the drop-out prevention metal fitting, the horizontal plate engages with the lower end surface of the heat exchanger to hold the heat exchanger. Then, the lid is attached so as to cover the opening.

[0012]

【Example】

(Embodiment 1) Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.

As shown in the drawing, an indoor side intake port 2 and an indoor side discharge port 3 communicating with the room are provided on one side of the main body 1 of the heat exchange type ventilation device, and an outdoor side communicating with the outdoor side is provided on the other side. An inlet 4 and an outdoor outlet 5 are provided. And
A quadrangular prismatic heat exchanger 6 having a vertical stacking direction is provided inside the main body 1, and an opening 8 for attaching and detaching the heat exchanger 6 is formed on a bottom surface 7 of the main body 1. A lid 9 is provided to be larger than the opening 8 so as to close the opening. This lid 9
The one side 10 is hooked by a hooking portion 11 provided on the bottom surface 7 of the main body 1, and the other side 12 is constituted by an attachment means composed of a hinge stopper 13 which is stopped by a hinge. Also,
A horizontal plate 16 having a tip end on the side of the opening 8 is made movable to the opposite opening 8 in a substantially horizontal direction, and is normally a lower end surface 1 of the heat exchanger 6.
The L-shaped horizontal plate 16 is brought into contact with 5 to provide a fall prevention metal fitting 17 capable of holding the heat exchanger 6.

In the above structure, when the heat exchanger 6 is to be housed in the main body 1, the heat exchanger 6 is held by holding the horizontal plate 16 of the drop-out prevention metal fitting 17 in the substantially horizontal direction toward the side opposite to the opening 8. It is inserted into the opening 8 of the bottom surface 7 of the main body 1, and then the horizontal plate 16 is positioned on the lower end surface 15 of the heat exchanger 6 to hold the heat exchanger 6.

Next, when the heat exchanger 6 is inspected and removed for cleaning, the order is reversed. That is, the hinge stopper 13 is removed and the lid 9 is removed. Then, the horizontal plate 16 of the drop-out prevention metal fitting 17 is moved substantially horizontally to the counter-opening 8 while holding the heat exchanger 6 and pulling it downward.

As described above, according to the heat exchange type ventilator of the first embodiment of the present invention, the opening 8 can be visually confirmed at the time of inspection when the heat exchanger 6 is inserted.
The heat exchanger 6 can be securely held.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIGS.

As shown in the figure, the fall-prevention metal fitting 17 is made of an L-shaped spring material, the vertical plate 14 of the fall-prevention metal fitting 17 is fixed to the main body 1 at a front end thereof, and the front end portion is located on the opening 8 side. The plate 16 is movable in a substantially horizontal direction to the counter-opening portion 8. Normally, the L-shaped horizontal plate 16 is provided on the lower end surface 15 of the heat exchanger 6.
Fall prevention metal fitting 1 that can hold the heat exchanger 6 by abutting against it
7 is provided.

In the above structure, when the heat exchanger 6 is to be housed in the main body 1, the heat exchange is performed while holding the horizontal plate 16 of the metal fitting 17 for preventing the spring material from falling off and moving in a substantially horizontal direction to the side opposite to the opening 8. The vessel 6 is inserted into the opening 8 on the bottom surface 7 of the main body 1, and then the horizontal plate 16 is released to position the horizontal plate 16 on the lower end surface 15 of the heat exchanger 6 and hold the heat exchanger 6.

As described above, according to the heat exchange type ventilator of the second embodiment of the present invention, the heat exchanger 6 can be easily held and taken out because the falling-off preventing metal fitting is the spring material.

[0021]

As is apparent from the above embodiments, according to the present invention, an opening for inserting a heat exchanger is formed on the bottom surface of the main body,
To prevent the heat exchanger mounted inside the main body from falling off, a cap is provided on the main body to hold the heat exchanger, and a lid is provided after holding the heat exchanger. Since the opening of the main body can be visually confirmed easily without the cover getting in the way, it is possible to provide a heat exchange type ventilation device in which the heat exchanger can be easily inserted and can be inspected safely in a short time.

Further, since the falling-off preventing metal fitting is made of a spring material, it is possible to provide a heat exchange type ventilation device which is effective in easily holding and taking out the heat exchanger.

[Brief description of drawings]

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

FIG. 2 is a plan view of the heat exchange type ventilation device.

FIG. 3 is a cross-sectional view showing an inserted state of a heat exchanger of the heat exchange type ventilation device.

FIG. 4 is a cross-sectional view showing a mounted state of a heat exchanger of a conventional heat exchange type ventilation device.

FIG. 5 is a plan view of the conventional heat exchange type ventilation device.

[Explanation of symbols]

 1 main body 2 indoor side suction port 3 indoor side discharge port 4 outdoor side suction port 5 outdoor side discharge port 6 heat exchanger 7 bottom surface 8 opening 9 lid 15 lower surface 17 fall prevention metal fitting

Claims (2)

[Claims] 1. A main body provided with an indoor-side suction port and an indoor-side discharge port that communicate with the inside of the room, an outdoor-side suction port and an outdoor-side discharge port that communicate with the outside, and a rectangular prism shape in which the stacking direction is vertical. A heat exchanger, an opening formed on the bottom surface of the main body for mounting the heat exchanger in the main body, and a cap for preventing the heat exchanger mounted in the main body from falling off. And a lid body that is detachably provided in the opening, and the detachment prevention fitting is engaged with and disengaged from the end surface of the heat exchanger to hold the heat exchanger. 2. The fall-prevention metal fitting is an L-shaped spring material, the vertical plate tip portion is fixed to the main body, the horizontal plate tip portion is on the opening side, and the horizontal plate is moved to the opposite opening portion in a substantially horizontal direction. 2. The heat exchange type ventilation device according to claim 1, wherein said heat exchange type ventilation device is capable of holding the heat exchanger by contacting a horizontal plate of said fall-prevention metal fitting to the lower surface of the heat exchanger.