JPH0328645A - Filter device for heat exchange type ventilator - Google Patents

Abstract

PURPOSE:To reduce the types of filter holding rails by forming right and left rails for holding a rough dust filter and an intermediate performance filter in the same size, fully opening the rail at one end of an opening of a panel and partly blocking the other rail at the other end. CONSTITUTION:Recess-shaped filter holding rails 32 having a size larger than the frame width A of a frame 22a above and below a rough dust filter 22, an opening 33 of a panel 36 is opened from the filter 22 to an intermediate performance filter 28, rails each having a size of the frame width B of a frame 28a are formed above and below the filter 28 at one side, and both the rails 32 are formed in the same size at right and left sides. Detaching and attaching means of the filter 28 is so formed as to block about half of the rails 32 by an opening end 34, and an opening end 34a is formed in size larger than the frame width A of the frame 22a at the side of the other filter 22. Even if the filter 22 is intended to be attached to the filter 28 side, it cannot be inserted to prevent the filter from being erroneously inserted.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a 7-ilerator device of a heat exchange type ventilation device that recovers indoor thermal energy that is exhausted to the outside through ventilation.

Conventional technology This conventional rice heat exchange type ventilation device takes in outdoor air while exhausting indoor air, and installs a total heat exchanger in the exhaust and intake flow paths to cross the exhaust air with a cross flow. This system transfers heat to the air in the supply air and recovers it, reducing the air conditioning load in the room while providing ventilation. As shown in Figures 3 and 4, such a heat exchange type ventilation system is installed in the ceiling, and the indoor air is passed through a duct (not shown) through the wooden body 1 of the heat exchange type ventilation system, which is formed into a substantially flat shape. (the same applies hereafter) and flows into the indoor suction port 2 through the coarse dust filter 3.
The dust is removed through the total heat exchanger 4 and then the exhaust fan 6
and an indoor air exhaust passage 7 that reaches the outdoor outlet 6 via the outdoor air outlet 6, and the outdoor air flows into the outdoor intake inlet 8, passes through a medium-performance filter 9, removes dust, passes through a total heat exchanger U4, and returns to the indoor air exhaust passage. The outdoor air intake air passage 12 exchanges heat with the air of No. 7 and is blown into the room from the indoor outlet 11 via the intake fan 1o. The frame width a that is integrated with the coarse dust filter 3 and the frame width b that is integrated with the medium performance filter 9 described in 011 are not the same size, and these frame widths δ are slightly larger than b, respectively, and have concave shapes. It is equipped with a filter holding tray/L'13.14. In this way, conventionally, consideration has been given to avoid mistakes in attaching the buttons to the left and right positions of the coarse dust finolec 3 and the medium-performance filter 9.

Problems to be Solved by the Invention In such a conventional structure, a filter holding tray /L/13 corresponding to the frame width d of the coarse dust filter 3 and a filter holding tray corresponding to the frame width 14 of the medium-performance filter 9 are required. rail 1
Since two types of parts, 4 and 4, are required, there are problems in manufacturing, such as it takes time and effort to manage these parts, and assembly errors may occur.

The present invention solves these problems by reducing the number of types of filler holding lenses and improving parts management during manufacturing.
The purpose is to improve assembly work efficiency.

Means for Solving the Problems In order to solve the problems, the present invention includes a coarse dust filter and a medium-performance finolec for the indoor side of the main body,
[11] A concave filter holding rail for holding each filter is formed to have the same dimensions on the left and right sides, and left and right opening ends are formed in the opening in the panel, and the opening end on one side is for holding the filter. The rail is fully open, and the open end on the other side is shaped so as to partially close the filter holding rail on the other side.

With this structure, the filter on one side can be taken out through the opening that is completely opened along the filter holding rail, and the filter on the other side can be taken out through the opening that is partially closed off by the opening end of the same filter holding rail. It can be taken out from the section.

EXAMPLE Hereinafter, an example of the present invention will be explained based on FIG. 1 and FIG.

In the figure, 20 is the main body of the heat exchange type ventilation device, where indoor air flows into the indoor suction port 21 through a duct (not shown, the same applies hereafter), passes through a dust filter 22, removes dust, and exchanges total heat. The indoor air exhaust passage 26 passes through the chamber 23, passes through the exhaust fan 24, and reaches the outdoor outlet 26, and the outside air flows into the outdoor air intake 27, passes through the medium-performance filter 28, removes dust, and is removed from the total heat exchanger 23. passing through the indoor air exhaust passage 2
An outdoor air passage 31 is formed in which heat is exchanged with the air of No. 6, and the outdoor air is blown into the room from an indoor outlet 30 via an intake fan 29. Moreover, concave filter holding trays /L/32, which are slightly larger than the frame width A of the frame 22a formed integrally with the coarse dust filter 22, are provided above and below the coarse dust filter 22, and the coarse dust filter 22 can be attached and removed. Spring with fully open means/
A large opening 33 of l/36 is opened from the coarse dust filter 22 to the medium-performance filter 28, and on one side, above and below the medium-performance filter 28, a frame 28a is formed integrally with the medium-performance filter 28. A width B is formed, and both the left and right filter holding trays/L'32 are shaped to have the same dimensions. Then, the attachment/detachment means for the medium-performance filter 28 is connected to the filter holding tray/removal means by the open end 34.
The opening end 34 is formed so as to close a part, approximately half, of L/32, and the opening end 34 is provided with a removable notch 36 that can be inserted with a finger.

1. On the other coarse dust filter 2 side, the frame width A of the frame 22a is
The opening end 34a is formed larger.

With the above structure, the ffl dust filter 22 and medium performance filter 28 will be maintained regularly.
Since the open end 34a of the coarse dust filter 22 is located at a position larger than that of the filter holding tray #32, the coarse dust filter 22 can be freely taken out. On the other hand, since the opening end 34 of the medium-performance filter 28 partially closes the holding rail 32, insert your hand through the notch 35, hold the frame 28a, and pull it out forward. Next, when attaching both filters 22 and 28, even if you try to attach the coarse dust filter 22 to the medium-performance filter 28 side, the opening end 34 partially blocks the filter holding rail 32. The coarse dust filter 22 cannot be inserted. Therefore, it is possible to prevent the coarse dust filter 22 and the medium-performance filter 28 from being incorrectly inserted into the left and right filters.

Effects of the Invention As is clear from the description of the embodiments described above, the present invention provides filter holding rails that are provided above and below the respective filters corresponding to the indoor suction port side and the outdoor suction port side in the main body and have the same size. Moreover, since the filter attachment/detachment means on one side is fully opened to form an opening, and the filter attachment/detachment means on the other side is structured such that the open end closes a part of the filter holding rail, it is different from the conventional filter attachment/detachment means. Instead of having to buy two types of filter holding rails, only one type is required, which reduces the number of types of parts, improves assembly work efficiency, and improves part management during manufacturing. Since the opening end has a notch that allows a finger to be inserted, it can be easily passed through the conventional method. Further, even during maintenance after installation, there is no possibility of mistakenly inserting a coarse dust filter and a medium-performance filter.

[Brief explanation of drawings]

FIG. 1 is a plan sectional view of a heat exchange type ventilation device according to an embodiment of the present invention, FIG. 2 is a plan view taken in the direction of arrow C in FIG. Figure 4 is the same figure 3.
It is a view taken along arrow D in the figure. 2o...Main unit, 21...Indoor suction port,
22... Coarse dust filter, 23... Total heat exchanger, 24... Exhaust fan, 26...
Outdoor outlet, 26... Indoor air exhaust duct, 2
7...Outdoor suction port, 28...Medium performance filter, 29...Intake fan, 30...Indoor outlet, 31...Outdoor Air intake air passage, 32
...... Filter holding rail, 33...
Opening portion, 34.34a... Opening end, 36...
...notch, 36...panel.

Claims (2)

[Claims] (1) A coarse dust filter and a medium-performance filter are provided for the indoor suction port side and the outdoor suction port side of the main body, and concave filter holding rails for holding each filter are formed to have the same dimensions on the left and right sides. At the same time, left and right open ends are formed in the opening in the panel, and the open end on one side makes the filter holding rail fully open, and the open end on the other side makes the filter holding rail on the other side fully open. A filter device for a heat exchange type ventilation system that is formed so as to partially block it. (2) A filter device for a heat exchange type ventilation system according to claim 1, wherein the filter holding rail has a notch portion in which the filter can be attached and detached at the opening end so as to close a part of the filter holding rail.