JP6948515B2 - Heat exchange type ventilation system - Google Patents

Description

The present invention relates to a heat exchange type ventilator that exchanges heat between outside air and indoor air.

Conventionally, as a ventilation device of this type, a ventilation device installed in a building, which introduces outside air from an outside air supply port and supplies it into a room via a built-in heat exchange element is known (see, for example, Patent Document 1). ).

Hereinafter, the heat exchange ventilation device 101 will be described with reference to FIG.

The main body box 102 is installed in the attic space or the ceiling space in the building. The fresh outside air is introduced from the outdoor suction port 105, passes through the built-in heat exchanger 112, and is supplied to the room via the indoor air outlet 106. On the other hand, the dirty air in the room is introduced from the indoor suction port 104, passes through the heat exchanger 112, and is exhausted to the outside through the outdoor air outlet 107. The fresh outside air introduced from the outdoor suction port 105 and the dirty air in the room introduced from the indoor suction port 104 are collected by the air supply blower 111 and the exhaust blower 110 connected to the motor via the heat exchanger 112. It is configured to be transferred. Further, the damper device 115 is provided inside the main body box 102.

Japanese Unexamined Patent Publication No. 2014-163551

The conventional heat exchange type ventilator has a problem that the maintainability of the damper for preventing outside air from entering from the outside when the operation is stopped is poor.

Therefore, the present invention realizes a heat exchange type ventilator having a method of arranging and fixing dampers with improved maintainability.

In order to achieve this object, the heat exchange type ventilator according to one aspect of the present invention includes an air supply fan that takes in outdoor air into the room, an exhaust fan that discharges indoor air to the outside, and the like. A housing containing the air supply fan and the exhaust fan, an air supply air passage path through which the air supply fan blows air from the air supply suction port to the air supply outlet, and an exhaust suction port by the exhaust fan. A heat exchange element provided at a position where the exhaust air blowing path blown from the air to the exhaust air outlet intersects the air supply air blowing path and the exhaust air blowing path, and exchanges heat when ventilating indoor air and outdoor air. In a heat exchange type ventilator provided with a damper provided on the air supply / suction port side in the air supply / air passage path inside the housing, a first air passage partition part made of foamed plastic and a second wind. The first air passage partition part includes a recess including a first upper portion, a groove portion and a first lower portion, and the second air passage partition part includes a second upper portion, a protrusion portion and a second lower portion. It has a convex portion including the lower, the damper, and the concave portions and the convex portions that engage and capable held removably in said first air passage partition part and the second air passage partition part By doing so, the intended purpose is achieved.

According to the present invention, it is possible to suppress the dropout of the damper that occurs in a strong wind while improving the maintainability.

Top view of the outer shape showing the heat exchange type ventilator according to the present invention. External side view showing the heat exchange type ventilator according to the present invention. The figure which shows the structure which sandwiches the damper of Embodiment 1 of this invention. Perspective view showing the first air passage partition component of Embodiment 1 of this invention. An enlarged perspective view showing a first air passage partition component according to a first embodiment of the present invention. A perspective view showing a second air passage partition component according to the first embodiment of the present invention. (A) A diagram showing a configuration for sandwiching the damper according to the first embodiment of the present invention (b) A diagram showing a configuration for sandwiching the damper according to the first embodiment of the present invention. The perspective view which shows the state which the damper is attached to the damper attachment part of Embodiment 1 of this invention. Front view showing a state in which a damper is attached to the damper attachment portion of the first embodiment of the present invention. A block diagram showing a side cross section of a conventional heat exchange type ventilator.

The heat exchange type ventilation device according to one aspect of the present invention includes an air supply fan that takes in outdoor air into the room, an exhaust fan that discharges indoor air to the outside, the air supply fan, and the exhaust fan. An air supply air passage that is blown from the air supply inlet to the air supply outlet by the air supply fan, and an exhaust air blower that is blown from the exhaust suction port to the exhaust air outlet by the exhaust fan. A heat exchange element provided at a position where the path, the air supply air passage path and the exhaust air ventilation path intersect, and exchanging heat when ventilating indoor air and outdoor air, and the air supply inside the housing. In a heat exchange type ventilator provided with a damper provided on the air supply suction port side in the air passage, a first air passage partition part and a second air passage partition part made of a porous material are provided, and the first air passage partition part is provided. The damper is sandwiched between the air passage partition component and the second air passage partition component.

According to this configuration, since the damper can be sandwiched between the first air passage partition part and the second air passage partition part, the damper can be used without adding a member (for example, a screw or the like) for fixing the damper. Can be firmly fixed. That is, it becomes possible to easily maintain the damper, and it is possible to suppress the fall of the damper that occurs in a strong wind.

Further, the damper may be sandwiched by engaging the concave portion of the first air passage partitioning part with the convex portion of the second air passage partitioning part.

According to this configuration, the damper can be firmly fixed.

Further, the concave portion includes a first upper portion, a groove portion, and a first lower portion, and the convex portion includes a second upper portion, a protrusion portion, and a second lower portion, and includes the first upper portion. The second upper portion may be in contact with the first lower portion, the second lower portion may be in contact with the second upper portion, and the groove portion and the protrusion portion may be engaged with each other.

According to this configuration, the damper can be fixed more firmly.

Further, the first air passage partition component is provided with a damper mounting portion below the recess, and the damper mounting portion has an opening for providing the damper and a first contact surface and a first contact surface on the peripheral edge of the opening. The second contact surface and the third contact surface may be provided, and the first contact surface, the second contact surface and the third contact surface may be configured to come into contact with the damper.

According to this configuration, it is possible to further suppress the dropout of the damper.

Further, the first contact surface is provided in the upper part of the opening, the second contact surface is provided in the lower part of the opening, and the third contact surface is provided in the side portion of the opening. good.

According to this configuration, it is possible to further suppress the dropout of the damper.

Further, the damper mounting portion includes a fourth contact surface that comes into contact with the damper, and the fourth contact surface is a side portion of the opening and is provided on the exhaust fan side from the third contact surface. It may be configured.

According to this configuration, it is possible to further suppress the fall of the damper.

Further, the first air passage partition part and the second air passage partition part may be made of foamed plastic.

According to this configuration, the heat insulating effect in the housing can be improved.

Further, the first air passage partition component may be configured to be integrated with the housing.

According to this configuration, the heat insulating effect can be further improved.

Further, the second air passage partition component may include a protruding portion extending downward from the convex portion, and the protruding portion may be configured to come into contact with the damper and the third contact surface.

According to this configuration, it is possible to further suppress the fall of the damper.
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment 1)
The configuration of the heat exchange type ventilator according to the present invention will be described with reference to FIGS. 1 and 2.

1 and 2 are an external top view and an external side view showing the heat exchange type ventilator according to the present invention, respectively.

As shown in FIG. 1, the heat exchange type ventilator 1 has a box-shaped housing 4.

An air supply fan 2, an exhaust fan 3, and a heat exchange element 11 are provided inside the housing 4.

For example, on the side surface of the housing 4, an air supply suction port 5, an air supply air outlet 6, an exhaust suction port 8, and an exhaust air outlet 9 are provided.

The supply air outlet 6 is provided on a side surface facing the side surface where the supply air suction port 5 or the exhaust air outlet 9 is provided.

Ducts (not shown) can be connected to the supply air suction port 5, the supply air outlet 6, the exhaust suction port 8, and the exhaust air outlet 9, respectively. The duct connected to the air supply inlet 5 and the exhaust outlet 9 is routed to the outer wall surface of the building to communicate with the outdoor air outside the building. The duct connected to the air supply outlet 6 and the exhaust suction port 8 communicates with the ceiling surface or wall surface of the living room and communicates with the room air.

Further, the heat exchange type ventilation device 1 has a supply air blowing path 7 and an exhaust blowing path 10.

As shown in FIGS. 1 and 2, the supply air blowing path 7 sucks in fresh outdoor air (supply air) from the supply air suction port 5, and heat exchange element 11 inside the heat exchange type ventilation device 1. It is a route through which air is supplied to the room from the air supply outlet 6.

The exhaust ventilation path 10 is a path in which contaminated indoor air (exhaust air) is sucked in from the exhaust suction port 8 and exhausted to the outside from the exhaust outlet 9 through the heat exchange element 11.

The heat exchange element 11 has a heat recovery function of supplying the heat amount of the exhausted air to the supplied air or supplying the heat amount of the supplied air to the heat amount of the exhausted air. There is. The heat exchange element 11 is arranged at a position where the supply air blowing path 7 and the exhaust blowing path 10 intersect.

The damper 12 suppresses the entry of outside air from the outside when the operation of the heat exchange type ventilation device 1 is stopped. Further, the damper 12 is provided between, for example, the air supply suction port 5 and the heat exchange element 11, and is removable.

The damper 12 includes a damper frame 13, a damper plate 14, a damper motor 15, and a center shaft 16. The damper 12 has, for example, a quadrangular shape.

The damper frame 13 is provided so as to surround the periphery of the damper plate 14.

The damper plate 14 has, for example, a flat plate shape and is supported by the center shaft 16. The damper plate 14 can be opened and closed to prevent foreign matter such as rainwater and dust contained in the outdoor air (air supply air) from entering the room.

The damper motor 15 is connected to the center shaft 16 to open and close the damper plate 14.

FIG. 3 is a diagram showing a configuration in which the damper of the first embodiment of the present invention is sandwiched.

As shown in FIG. 3, the damper 12 is held by being sandwiched between the first air passage partition component 20 and the second air passage partition component 30.

The first air passage partition part 20 and the second air passage partition component 30 are made of a porous material and are provided in the housing 4.

Here, the first air passage partition part 20 and the second air passage partition component 30 will be described with reference to FIGS. 4 to 7.

FIG. 4 is a perspective view showing the first air passage partition component according to the first embodiment of the present invention, and FIG. 5 is an enlarged perspective view showing the first air passage partition component according to the first embodiment of the present invention. ..

As shown in FIG. 4, the first air passage partition component 20 has a recess 21, an exhaust fan outlet air passage 25, an air supply / exhaust partition portion 26, and a damper mounting portion 40. The first air passage partition component 20 is provided between the air supply air suction port 5 and the heat exchange element 11.

The exhaust fan blow-out air passage 25 is an air passage that collects and blows out the air that has entered the exhaust air-blowing path 10, and the air supply / exhaust partition portion 26 is a portion that partitions the air supply-air blowing path 7 and the exhaust air-blowing path 10.

As shown in FIG. 5, a recess 21 is provided above the damper mounting portion 40.

The recess 21 has a first upper portion 22, a groove portion 23, and a first lower portion 24.

The first upper portion 22 and the first lower portion 24 project from, for example, the air supply suction port 5 in the direction toward the heat exchange element 11.

The damper mounting portion 40 has a first contact surface 41, a second contact surface 42, a third contact surface 43, and an opening 45.

The first contact surface 41, the second contact surface 42, and the third contact surface 43 are provided on the peripheral edge of the opening 45.

For example, the first contact surface 41 is provided above the opening 45, the second contact surface 42 is provided below the opening 45, and the third contact surface 43 is provided on the side of the opening 45.

The first contact surface 41 is provided so as to project downward from the recess 21 side, that is, from above.

The second contact surface 42 is provided so as to project upward from the side facing the recess 21, that is, from below.

The third contact surface 43 is provided on the side portion of the opening 45 on the side close to the outer shell of the housing 4.

The opening 45 is a space in which the damper 12 is stored. That is, the opening 45 may have substantially the same size as the damper 12.

The first contact surface 41 and the second contact surface 42 may be provided inside the opening 45.

The damper 12 is mounted so as to be inserted into the opening 45 of the damper mounting portion 40. When the damper 12 is attached to the opening 45, the damper frame 13 comes into contact with the first contact surface 41, the second contact surface 42, and the third contact surface 43 so as to be pressed against each other.

FIG. 6 is a perspective view showing a second air passage partition component according to the first embodiment of the present invention.

As shown in FIG. 6, the second air passage partition component 30 has a convex portion 31, an exhaust fan first suction portion 35, and an exhaust fan second suction portion 36.

The convex portion 31 has a second upper portion 32, a protruding portion 33, and a second lower portion 34.

The protrusion 33 protrudes from the heat exchange element 11, for example, in the direction toward the air supply suction port 5.

The exhaust fan first suction unit 35 is a portion where air is sucked from the front portion of the exhaust fan 3 of the exhaust suction port 8 by the exhaust fan 3.

The exhaust fan second suction portion 36 is a portion where air is sucked from the back side of the exhaust fan 3 of the exhaust suction port 8 by the exhaust fan 3.

The second air passage partition component 30 may sandwich the damper 12 and also hold the heat exchange element 11.

Here, a method of fixing the damper 12 will be described with reference to FIGS. 7 to 9.

7 (a) and 7 (b) are views showing a configuration in which the damper of the first embodiment of the present invention is sandwiched. FIG. 8 is a perspective view showing a state in which a damper is attached to the damper attachment portion of the first embodiment of the present invention according to the first embodiment of the present invention, and FIG. 9 is a perspective view showing a state in which the damper is attached to the damper attachment portion of the first embodiment of the present invention. It is a front view which shows the state which the damper is attached to the attachment part.

The damper 12 is sandwiched as follows.

First, the damper 12 is stored in the damper mounting portion 40. That is, the damper 12 is stored in the opening 45.

As a result, the damper frame 13 is pressed against the first contact surface 41, the second contact surface 42, and the third contact surface 43.

Further, in a state where the damper 12 is stored in the opening 45, the second air passage partition component 30 engages with the first air passage partition component 20. That is, the concave portion 21 and the convex portion 31 are engaged with each other.

As a result, the damper 12 is sandwiched.

Here, when the concave portion 21 and the convex portion 31 are engaged, for example, the first upper portion 22 and the second upper portion 32 are in contact with each other, the groove portion 23 and the protruding portion 33 are engaged, and the first lower portion 24 and the second upper portion are engaged with each other. It means that the lower part 34 comes into contact with the lower part 34.

That is, the damper 12 is sandwiched by sandwiching the damper frame 13 between the first air passage partition component 20 and the second air passage partition component 30.

The depth of the recess 21, that is, the distance between the first upper portion 22 and the first lower portion 24 and the groove portion 23 may be any distance as long as the protrusion 33 of the convex portion 31 is engaged.

Further, as shown in FIG. 5, the first air passage partition component 20 may include a fourth contact surface 44. The fourth contact surface 44 is a side portion of the opening 45 and is provided on the exhaust fan 3 side of the third contact surface 43. When the damper 12 is attached to the opening 45, the damper frame 13 comes into contact with the fourth contact surface 44 so as to be pressed against the fourth contact surface 44.

Further, as shown in FIG. 6, the second air passage partition component 30 may include a protruding portion 50 extending downward from the convex portion 31. The protruding portion 50 comes into contact with the damper frame 13 and the third contact surface 43.

Further, the first air passage partition part 20 and the second air passage partition component 30 may be made of foamed plastic.

The porous material is, for example, foamed plastic. The foamed plastic is, for example, Styrofoam.

Further, the heat exchange element 11 may be a total heat exchange element.

Further, the first air passage partition component 20 may be configured to be integrated with the housing 4.

Although the heat exchange type ventilation device according to the present invention has been described above based on the embodiment, the present invention is not limited to the embodiment. As long as the gist of the present invention is not deviated, various modifications that can be conceived by those skilled in the art are applied to the present embodiment, and a form constructed by combining components in different embodiments is also included in the scope of the present invention. ..

The heat exchange type ventilator is useful as a duct type ventilator, a duct type air conditioner, or the like for the purpose of heat exchange between the outside air and the indoor air.

1 Heat exchange type ventilator 2 Air supply fan 3 Exhaust fan 4 Housing 5 Air supply air inlet 6 Air supply air outlet 7 Air supply air supply path 8 Exhaust air inlet 9 Exhaust air outlet 10 Exhaust air flow path 11 Heat exchange element 12 Damper 13 Damper frame 14 Damper plate 15 Damper motor 16 Center shaft 20 First air passage partition part 21 Concave part 22 First upper part 23 Groove part 24 First lower part 25 Exhaust fan blowout air passage 26 Supply / exhaust partition part 30 Second air passage Partition parts 31 Convex part 32 Second upper part 33 Projection part 34 Second lower part 35 Exhaust fan first suction part 36 Exhaust fan second suction part 40 Damper mounting part 41 First contact surface 42 Second contact surface 43 Third contact Surface 44 Fourth contact surface 45 Opening 50 Projection

Claims (6)

An air supply fan that takes in outdoor air into the room,
An exhaust fan that exhausts indoor air to the outside,
A housing containing the air supply fan and the exhaust fan,
The air supply air passage that is blown from the air supply inlet to the air supply outlet by the air supply fan, and
Exhaust air passages that are blown from the exhaust suction port to the exhaust air outlet by the exhaust fan, and
A heat exchange element provided at a position where the air supply air passage and the exhaust air passage intersect and exchange heat when ventilating indoor air and outdoor air.
A damper provided on the air supply suction port side in the air supply air passage inside the housing, and
In the heat exchange type ventilation system equipped with
Equipped with first air passage partition parts and second air passage partition parts made of foamed plastic,
The first air passage partition component has a recess including a first upper portion, a groove portion and a first lower portion.
The second air passage partition component has a convex portion including a second upper portion, a protrusion portion, and a second lower portion.
The damper is a heat exchange type ventilation characterized in that the concave portion and the convex portion are engaged with each other so as to be detachably sandwiched between the first air passage partition component and the second air passage partition component. Device. The first air passage partition component is provided with a damper mounting portion below the recess.
The damper mounting portion is
An opening for providing the damper and
A first contact surface, a second contact surface, and a third contact surface are provided on the periphery of the opening.
The heat exchange type ventilation device according to claim 1 , wherein the first contact surface, the second contact surface, and the third contact surface are in contact with the damper. The first contact surface is provided above the opening and
The second contact surface is provided below the opening and is provided.
The heat exchange type ventilation device according to claim 2 , wherein the third contact surface is provided on a side portion of the opening. The damper mounting portion includes a fourth contact surface that comes into contact with the damper.
The heat exchange type ventilation device according to claim 2 or 3 , wherein the fourth contact surface is a side portion of the opening and is provided on the exhaust fan side from the third contact surface. The heat exchange type ventilation device according to any one of claims 1 to 4, wherein the first air passage partition component is integrated with the housing. The second air passage partition component includes a protrusion extending downward from the convex portion.
The heat exchange type ventilation device according to any one of claims 2 to 5, wherein the protruding portion abuts on the damper and the third contact surface.

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