JPH0749139A - Cassette type ventilation unit - Google Patents

Abstract

PURPOSE:To obtain a large economical effect by reuse by effectively obtaining various air conditioning management each time in response to not only distribution of cold or hot air into a room but also an indoor environment such as humidifying, direct cooling with the atmosphere, etc., and simultaneously most effectively recovering an exhaust heat amount in the room. CONSTITUTION:A cassette type ventilation unit comprises a total heat exchanger 6 horizontally installed between an exhaust air flow passage A formed in a body 1 and an atmospheric air flow passage B, an exhaust blower 7 and a suction blower 8 installed in a suction type in the passages A, B of one side of the exchanger 6, and a humidifier 9 disposed substantially vertically along a surface of the exchanger 6 at front, leeward side of the exchanger 6. The discharge ports of the blowers 7, 8 are opened in different directions, and a silencing chamber 10 is integrally connected to the discharge ports.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette type ventilation unit which is most effective at the time of indoor air conditioning and at the same time recovers the exhaust heat amount in the room and recycles the exhaust heat amount.

[0002]

2. Description of the Related Art Recently, in order to obtain the most economical effect by recovering the exhaust heat quantity in the room at the same time as the air conditioning in the room and reusing the exhaust heat quantity, the inside of the ventilation passage Various so-called ventilation units have been developed in which the total heat exchanger a is installed in the. However, as shown in FIG. 1, most of these ventilation units have the total heat exchanger a disposed obliquely, so that the humidifier is installed on the outflow side of the wind of the total heat exchanger a. It is impossible to tighten it, and even if it is installed, it is difficult to find an ideal humidifying effect because it is possible to install only a small one because of the space.

[0003]

SUMMARY OF THE INVENTION In view of the above problems, the present invention changes the diagonal installation of the total heat exchanger, which is a conventional concept, to horizontal installation, and humidifies air without reducing the heat exchange effect at the scalp. The general idea is to provide a cassette-type ventilation unit that can simultaneously blow air.

[0004]

The present invention was invented as a means for achieving the above-mentioned object, and the outline thereof will be described below. The drawings are one embodiment thereof,
The air blow passages A, which communicate the indoor air intake port 2 and the exhaust port 5, communicate with each other, and the outside air blow passage B, which communicates the outside air introduction port 4 and the blowout port 3, are formed in parallel in the front, rear, top, and bottom of the machine body 1, Further, the total heat exchanger 6 is installed horizontally between the exhaust air blowing passage A and the outside air blowing passage B, and at one side of the total heat exchanger 6, the exhaust blower 7 and the intake air are blown into the blowing passages A and B. Blowers 8 for each are installed in a suction type, and the total heat exchanger 6 is further installed.
The humidifier 9 is arranged in a substantially vertical shape on the front surface, that is, on the leeward side, along with the surface of the total heat exchanger 6.

Further, the exhaust air blower 7 and the intake air blower 8 installed on one side of the machine body 1 are opened in different directions, and a muffling chamber 10 is integrally connected to the air blow discharge opening. At the same time as the ventilation effect, it is intended to have a sound deadening effect.

[0006]

The present invention has the above structure,
A suction port 2 and a blow-out port 3 that can be opened on a ceiling panel 11 below the machine body 1 are opened to the indoor side, and an outside air introduction port 4 and an exhaust port 5 are connected to the outside of the room by connecting ducts, etc. It is buried and the whole is installed. By operating the exhaust blower 7 and the intake blower 8 in such a state, the contaminated air on the indoor side is bent from the suction port 2 and the arrows RA to E are shown.
The air is exhausted to the outside from the exhaust port 5 through the exhaust air blowing passage A of A, and at the same time, fresh air from the outside is bent up and down from one of the outside air introducing ports 4 and blown through the outside air blowing passage B of OA to SA. It is delivered from the exit 3 into the room. At the same time as the above action, the exhaust air in the room and the fresh air from the outside pass through the total heat exchanger 6 arranged between the both ventilation passages A and B in an orthogonal manner, so that the heat quantity in the exhaust air on the indoor side is increased. Due to the action of the total heat exchanger 6, a certain amount of cold and warm air in the room during cooling, and the amount of heat in the warmed warm air in the room during heating are exhausted together with exhaust air to the outside without being exhausted. It can be used most economically by exchanging heat with the air that can introduce the amount of heat in the passing air very effectively. Although not shown in the drawing, only a part of the indoor air is returned to the room without exhausting the entire amount of the indoor air, and the residual heat amount in the exhaust gas is mixed with the outside air to supplement the consumption of the heat amount. In the case, any one of the above air passages A,
It is also a consideration to form a bypass air passage for installing a damper for switching the air passage between B and B. In particular, in the present invention, when appropriate humidified air is required in the room due to the temperature environment in the room, the humidifier 9 is opened and water is circulated so that the humidifier 9 is a total heat exchanger. Since it is installed on the leeward side of 6, the predetermined humidification is surely sent to the air passing through the total heat exchanger 6, so that an appropriate humidified air is sent to the room at the same time as the indoor air blowing. Therefore, it is possible to easily find a comfortable air conditioning environment.

Further, in the present invention, the air blower discharge ports of the exhaust air blower 7 and the intake air blower 8 are opened in mutually different directions, and the silencing chamber 10 is connected to the discharge ports, so that it is extremely quiet. It may be possible to ask for muffling ventilation.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, an embodiment will be described below.
In the machine body, a ceiling panel 11 is fitted around the lower opening of the airframe so that a suction port 2 and a blowout port 3 for indoor air are opened at regular intervals. Further, in the interior of the machine, an exhaust air ventilation passage A communicating with the above-mentioned indoor air intake 2 and an exhaust port 5 opened at the back of the machine 1 is connected to the air outlet 3 and an outside air introduction port 4 opened at the back of the machine 1 so as to communicate with each other. Exhaust ventilation passage A that can be bent left and right
Both air passages of the outside air air passage B are formed in parallel in the form of branch ducts. As described above, the total heat exchanger 6 is installed horizontally between the exhaust air blowing passage A and the outside air blowing passage B formed inside the machine as shown in the drawing, and the one side front surface of the total heat exchanger 6, that is, the air flow On the leeward side, a vaporization type or other humidifier 9 is arranged substantially vertically along the above-mentioned total heat exchanger 6 surface, and the shape of the humidifier 9 is substantially the same as the total heat exchanger 6 surface. A more effective humidifying action can be obtained by installing the humidifier 9 in the sand. In particular, in the present invention, the flow direction of the air in the outside air blowing passage B is set to be horizontal to the total heat exchanger 6 to obtain an even and appropriate air distribution for the humidifier 9. Can be done. Further, the exhaust blower 7 is provided in the exhaust blow passage A.
In the outside air blowing passage B, the intake blowers 8 are installed in respective suction types, and the blower openings of the blowers 7 and 8 are installed so as to open in different directions. Reference numeral 13 is a filter.

Further, on one side of the machine body 1, a silencing chamber 10 having an appropriate silencing mechanism inside is integrally connected to the air discharge ports of the exhaust air blower 7 and the intake air blower 8. Thus, it is possible to reliably prevent outflow of noise from the discharge port.

Further, a maintenance hole 12 is formed in the lower air passage of the machine body 1, and a central panel 14 is openably and closably attached to the inside of a ceiling panel 11 fitted under the air passage to easily perform maintenance work inside the machine. It can be tightened.

[0011]

As described above, according to the present invention, the total heat exchanger 6 is installed horizontally, and the humidifier 9 is attached to the front surface of the total heat exchanger 6 and on the leeward side of the total heat exchanger 6. And arranged substantially vertically, and the flow direction of the air in the outside air blowing passage B is formed horizontally with respect to the total heat exchanger 6, so that the air flow from the total heat exchanger 6 is the humidifier 9 described above. It is possible to evenly and surely distribute the wind with respect to and obtain a better and effective humidifying action. Therefore, it has an effect that the humidifying action in the ventilation unit, which is so-called difficult in the past, can be obtained very easily and surely at the same time when the outside air is introduced.

Further, as described in claim 2, by forming the humidifier 9 into a shape having substantially the same size as the surface of the total heat exchanger 6, it is possible to ensure an even humidification effect on the total amount of passing air. It is also possible to make the entire shape very thin by applying the above.

Further, as described in claim 3, the exhaust blower 7 and the intake blower 8 are installed in a suction type, and the respective opening positions of the blower openings are opened in mutually different directions, so that the air outlets are connected to each other. Has a long interval distance, and naturally eliminates the noise of noise generated in the machine in association with the action of the air flow passage formed by bending, and further, the muffling chamber 10 is integrated with the air discharge opening of the air blower 7. By virtue of the continuous installation, the noise of noise is prevented from directly flowing out of the discharge port.

Further, as described in claim 4, a maintenance hole 12 is formed in the lower air passage of the machine body 1,
Since the central panel 14 is openably and closably mounted in the lower ceiling panel 11, the entire maintenance hole 12 inside is exposed to the ceiling surface only by opening the central panel 14, and the filter 13 is opened. Of course, various maintenance work inside the machine can be performed very easily and surely through the maintenance hole 12, and by removing the total heat exchanger 6, all maintenance work up to the deep mechanism such as the humidifier 9 can be performed. It also has remarkable advantages such as that it can be performed easily and surely.

[0015]

[Brief description of drawings]

FIG. 1 is an internal structure diagram of a conventional ventilation unit,

FIG. 2 is a plan view schematically showing the internal structure of the cassette type ventilation unit according to the present invention,

[Fig. 3] Same as above, front view,

FIG. 4 is a left side view of the same.

[Explanation of symbols]

 1 Aircraft 2 Suction port 3 Outlet port 4 Outside air introduction port 5 Exhaust port 6 Total heat exchanger 7 Exhaust air blower 8 Intake air blower 9 Humidifier 10 Noise reduction chamber 11 Ceiling panel 12 Maintenance hole 13 Filter 14 Central panel A Exhaust air passage B Outside air ventilation passage

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[Procedure amendment]

[Submission date] September 8, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0015

[Correction method] Change

[Correction content]

Further, in the present invention, as shown in FIG. 4, by providing the sound insulating plate 15 in the maintenance hole 12 formed below the filter 13,
The sound insulation plate 15 and the panel plate on the lower surface of the machine body 1 have a double structure, and therefore also have a sound deadening function such that noise in the machine discharged from the air outlet 3 is naturally eliminated during flowing. ing.

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Name of item to be corrected] Fig. 4

[Correction method] Change

[Correction content]

[Figure 4]

Claims (4)

[Claims] 1. An exhaust air blow passage A for communicating an indoor air suction port 2 and an exhaust port 5 and an outside air blow passage B for communicating an outside air introduction port 4 and an air outlet 3 are bent vertically and horizontally in parallel inside a body 1. And a total heat exchanger 6 is horizontally installed between the exhaust air blowing passage A and the outside air blowing passage B, and one side portion of the total heat exchanger 6 is for exhausting air into the air blowing passages A and B. A blower 7 and an intake blower 8 are installed in each suction type, and a humidifier 9 is provided on the front side and leeward side of the total heat exchanger 6 so that the total heat exchanger 6 can be installed.
A cassette type ventilation unit characterized by being arranged in a substantially vertical shape along the surface. 2. The ventilation unit according to claim 1, wherein the total heat exchanger 6 is provided between the exhaust air blowing passage A and the outside air blowing passage B.
Is installed horizontally, and the humidifier 9 having substantially the same size as the surface of the total heat exchanger 6 is arranged on the front side of the total heat exchanger 6 and on the lee side of the air flow. Cassette type ventilation unit. 3. The ventilation unit according to claim 1, wherein an exhaust blower 7 and an intake blower 8 are installed in respective suction types in blower passages A and B formed on one side of the body 1. A cassette-type ventilation unit, characterized in that the respective air outlets are opened in mutually different directions and the silencing chamber 10 is integrally connected to the air outlets. 4. The ventilation unit according to claim 1 or 2, wherein a maintenance hole 12 is formed in a lower air passage of the machine body 1, and a suction port 2 and an air outlet 3 are provided below the air passage. A cassette type ventilation unit, characterized in that a ceiling panel (11) opened in (1) is fitted and a central panel (14) is attached to the inside of the ceiling panel (11) so as to be openable and closable.