JP2000130814A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make assembling easy by reducing the number of parts with a holding member that holds both a heat exchange element and a pair of filters and to reduce a sealing member, by making the holding member made of a foamed resin form a seal between the heat exchange element and the filters by its own elasticity. SOLUTION: This air conditioner is detachably provided with a heat exchange unit in a housing of an air conditioner main body. The heat exchange unit holds a heat exchange element 31, a pair of filters 32 and an additional filter 33 in a holding member. The holding member 34 is formed of a foamed resin such as foamed styrene or the like. The holding member 34 comprises a pair of split bodies consisting of a first casing 35 and a second casing 36, and an air supply passage and an exhaust passage are defined by sandwiching and holding the heat exchange element 31 and the like between the split bodies. By this constitution, heat insulation material and sealing material can be reduced by utilizing heat insulation property and elasticity of the foamed resin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an air conditioner such as a heat exchange type ventilator.

[0002]

2. Description of the Related Art This air conditioner includes, for example, a casing which internally defines an air supply passage from the outdoors to the room and an exhaust air passage from the room to the outdoors; It has a heat exchange element for exchanging heat between air flows in the exhaust air passage, and a filter for removing dust in the air flow passing through the heat exchange element. The filter and the heat exchange element are detachably held on the casing for cleaning or replacement.

[0003] The heat exchange element is formed in a rectangular parallelepiped shape, and the supporting columns at the corners of the four corners are held by holding members. The holding member is formed of a resin or metal channel material, and is mounted in the casing.
The filter is held by a resin hook provided on the support column of the heat exchange element.

[0004] The casing is constructed by assembling a plurality of air path defining members including a box formed in a box shape and a plate-like member, and defines an air supply air path and an exhaust air path inside the box. I have. The air path partition member is made of a metal plate material, and a heat insulating material made of a fibrous member or the like is attached to the air path partition member. A rubber sealing member for preventing air from leaking is attached between the air passage partition members and between the heat exchange element and the filter.

[0005] As described above, since the peripheral portion of the heat exchange element of the air conditioner is composed of a large number of components such as an air passage partitioning member, a holding member, a sealing member and a heat insulating material, the assembly is troublesome. there were. Then, an object of the present invention is to solve the above-mentioned technical problem, to provide an air conditioner having a holding member which can reduce the number of parts and is easy to assemble.

[0006]

In order to achieve this object, an air conditioner according to the first aspect of the present invention provides an air flow that flows through an exhaust air passage from indoor to outdoor and a supply air passage from outdoor to indoor. A heat exchange element for exchanging heat between
A pair of filters for removing dust in the air in the supply air passage and the exhaust air passage, and a holding member for holding the pair of filters and the heat exchange element, the holding member includes:
It is characterized by being formed of a foamed resin.

According to this configuration, since the holding member holds both the heat exchange element and the pair of filters, the number of parts can be reduced, and as a result, the assembly is easy. Also, since the holding member made of foamed resin has elasticity,
As a result of sealing between the heat exchange element and the filter, the number of sealing members can be reduced. Here, examples of the foamed resin include styrene foam and urethane foam.

[0008] The air conditioner of the invention according to claim 2 is:
The air conditioning apparatus according to claim 1, wherein the holding member partitions an air supply passage and an exhaust air passage. According to this configuration, in addition to the operation of the first aspect of the invention, since the holding member also serves as a partition member of the air path, the number of components can be further reduced. Also, since the holding member made of foamed resin has a heat insulating property,
Insulation can be reduced.

[0009] The air conditioner of the invention according to claim 3 is:
3. The air conditioner according to claim 1, further comprising an additional filter provided downstream of the filter in the air supply path, wherein the additional filter is held by a holding member. According to this configuration,
In addition to the function of the invention described in claim 1 or 2, since the holding member also serves as a member for holding the additional filter,
The number of parts can be further reduced.

An air conditioner according to a fourth aspect of the present invention is:
The air conditioner according to any one of claims 1 to 3, wherein the holding member is formed by combining a pair of divided bodies that sandwich the heat exchange element. According to this configuration, in addition to the effect of the invention according to any one of claims 1 to 3, if the heat exchange element is sandwiched between the pair of divided bodies, the heat exchange element can be easily held and the peripheral portion thereof Can be assembled. As described above, simple operations are required, and assembly is easy.

[0011] An air conditioner according to a fifth aspect of the present invention is characterized in that:
The air conditioner according to any one of claims 1 to 4, wherein the holding member has a groove into which a peripheral edge of the filter is fitted. According to this configuration, in addition to the function of the invention described in any one of the first to fourth aspects, the peripheral edge of the filter can be reliably held by the groove, and the filter can be securely sealed.

The groove may be fitted in a part of the periphery of the filter. However, when the groove is provided on the entire periphery of the periphery of the filter, more reliable sealing and holding properties can be obtained. . An air conditioner according to a sixth aspect of the present invention is the air conditioner according to any one of the first to fifth aspects, wherein the supply air passage and the exhaust air passage are provided with respective air passages with respect to a heat exchange element. A blower fan is provided on the same side in the flow direction.

According to this configuration, in addition to the operation of the invention according to any one of the first to fifth aspects, for example, the blower fan is disposed upstream of the heat exchange element in the supply air passage, and It is also located upstream of the heat exchange element in the road. In this case, air is pushed in by the blower fan in both the supply air passage and the exhaust air passage of the heat exchange element. As a result, the pressure between the supply air passage and the exhaust air passage in the heat exchange element is lower than that in the case where air is pushed into one of the supply air passage and the exhaust air passage of the heat exchange element and air is sucked out from the other. Since the difference can be reduced, the number of sealing members can be reduced.

[0014] The air conditioner of the invention according to claim 7 is:
The air conditioner according to any one of claims 1 to 6, wherein the holding member, the heat exchange element, and the filter constitute an integrated unit, and the unit is detachably provided to the device main body. It is characterized by being. According to this configuration, in addition to the operation of the invention described in any one of the first to sixth aspects, the unit can be integrally handled and can be mounted on the apparatus main body, so that the assembly is easy.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An air conditioner according to one embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a perspective view illustrating a schematic configuration of an air conditioner according to an embodiment of the present invention. The air conditioner 1 includes an apparatus main body 2 for generating a flow of air supply from the outside to the room and an exhaust flow from the room to the outside, and a supply of air from the air supply port 11 facing the outside to the apparatus body 2. It has an air duct 3 and an exhaust duct 4 for connecting the apparatus main body 2 and an exhaust port 12 facing the outside. The device main body 2 is disposed, for example, in a space above the ceiling, and
A panel 22 (see FIG. 2) is provided on the lower surface of the, and the inlet 22 and the outlet 14 facing the room are defined in the panel 22. These components form an exhaust air passage from indoor to outdoor and a supply air passage from outdoor to indoor.

The apparatus main body 2 has a box-shaped housing 21 therein for partitioning a part of an air supply passage and an exhaust air passage, and a pair of blower fans 24 for flowing air in a predetermined direction through the supply air passage and the exhaust air passage. , 25 and a heat exchange unit 23 including a heat exchange element 31 for exchanging heat between supply air and exhaust air. The housing 21 includes a unit accommodating room 21 a for accommodating the heat exchange unit 23 and the unit accommodating room 21.
a and an air supply inlet chamber 21d which communicates with the air supply duct 3 via the connection port 21c while communicating with the air supply duct 3 via the opening 21b, and an air outlet 14 below which communicates with the unit accommodating chamber 21a via the opening 21e. The supply air outlet chamber 21f communicates with the unit housing chamber 21a via the opening 21g and the suction port 1
3 also has an exhaust inlet chamber 21h communicating with it. In a state where the heat exchange unit 23 is accommodated in the unit accommodation room 21a, a part of the supply air passage and the exhaust air passage is partitioned without communicating with each other inside the unit accommodation room 21a, and the supply air passage is opened from the opening 21b. 21e, the exhaust air path extends from the opening 21g to the connection port 21i to the exhaust duct 4.

The heat exchange unit 23 includes a cross-flow type heat exchange element 31, a pair of filters 32 for removing dust during supply and exhaust to the heat exchange element 31, and a filter 32 in the supply air passage. Also has an additional filter 33 arranged on the downstream side, and a holding member 34 for holding the above-mentioned components while partitioning the supply air passage and the exhaust air passage.

The supply air path extends from the supply duct 3 to the outlet 14 through the supply air inlet chamber 21d, the supply air path in the unit accommodating chamber 21a, and the supply air outlet chamber 21f (solid arrow F).
1). The air supply blower fan 24 is arranged in the air supply inlet chamber 21 d and arranged upstream of the heat exchange element 31. The exhaust air passage extends from the inlet 13 to the exhaust inlet chamber 21.
h, reaching the exhaust duct 4 through the exhaust air passage in the unit accommodating chamber 21a (broken arrow F2). The blower fan 25 for exhaust is arranged in the exhaust inlet chamber 21 h and is arranged on the upstream side of the heat exchange element 31.

In the present air conditioner 1, when the motor 26 is driven, the air flows through the air supply path by the blower fan 24. After the dust is removed by the filter 32, the air passes through the heat exchange element 31, passes through the additional filter 33 to remove finer dust, and is blown into the room. Further, the air flows into the exhaust air path by the blower fan 25. After the dust is removed by the filter 32, the air passes through the heat exchange element 31 and is exhausted to the outside. The heat exchange element 31 exchanges heat between the supply air and the exhaust air.

In the present invention, the holding member 34 of the heat exchange unit 23 is formed of a foamed resin such as styrene foam, and partitions the supply air passage and the exhaust air passage while holding the heat exchange element 31 and the pair of filters 32. By doing
It has a simple structure. The details will be described below. FIG.
FIG. 3 is a front sectional view of the heat exchange unit. FIG. 3 is an exploded perspective view of the heat exchange unit 23.

The holding member 34 has a substantially rectangular parallelepiped outer shape. The holding member 34 is configured by combining a first casing 35 and a second casing 36 as a pair of divided bodies. The first casing 35 and the second casing 36 are each formed of a foamed resin such as styrene foam. The second casing 36 is arranged on the first casing 35, and is positioned relative to each other by holding the heat exchange element 31 inside.

As the foamed resin, besides styrofoam,
An example is urethane foam. The first casing 35 of the holding member 34 includes a plate portion 35a and a plate portion 35b arranged on both sides of the partition plate 31a of the heat exchange element 31 in the stacking direction.
And three pillars 35c connecting these plates to each other.
35d and 35e. These components are integrally formed. The plate portion 35a and the plate portion 35b face each other. The pillar portions 35c and 35d are arranged along a corner portion under the heat exchange element 31. The pillars 35c and 35e are arranged at corners of the outer shape of the holding member 34. The pillar 35e extends upward so as to be connected to the slope 36e of the second casing 36.

The second casing 36 of the holding member 34 includes a plate portion 36a and a plate portion 36b arranged on both sides of the partition plate 31a of the heat exchange element 31 in the stacking direction, and two columns connecting these plate portions to each other. It has portions 36c and 36d and a slope portion 36e. These components are integrally formed. The plate portion 36a and the plate portion 36b face each other. The columns 36c and 36d are the heat exchange elements 31
It is located along the ridge at the top of the. Also,
The pillar portion 36c is arranged at a corner of the outer shape of the holding member 34. The upper part of the column part 36d is formed one step lower, and the upper part of the heat exchange element 31 and the upper part of the slope part 36e are connected so that air may pass therethrough. The slope 36e is a pillar 36d.
And extends downward at an angle, and is connected at its lower end to the upper end of the column 35 e of the first casing 36.

The holding member 34 has a holding portion 51 for holding the heat exchange element 31 therein, a holding portion 52 for holding the filter 32 in the supply air passage, and a holding portion for holding the filter 32 in the exhaust air passage. Unit 54 and additional filter 33
And a holding portion 53 for holding The heat exchange element 31 has a substantially rectangular parallelepiped shape, and includes a supply-side suction surface 31b, a supply-side discharge surface 31c, and an exhaust-side suction surface 31 serving as ventilation surfaces.
d and an exhaust-side outlet surface 31e, and the supply air path (see arrow F1) from the above-described inlet-side intake surface 31b to the supply-side outlet surface 31c, and from the exhaust-side inlet surface 31d to the exhaust-side outlet surface 31e. It is a cross-flow type that divides the exhaust air path (see arrow F2) leading to the intersection. The heat exchange element 31 includes, for example, a laminate in which a paper partition plate 31a is laminated at predetermined intervals to separate an air supply passage and an exhaust air passage. The laminate is, for example, a stack of a large number of flat plate-shaped partition plates 31a opposed to each other with a spacer 31f interposed therebetween, and alternately partitions a pair of internal air passages between the partition plates 31a. . The laminated body is formed to be long in the laminating direction of the partition plate 31a, and side surfaces along the laminating direction constitute each ventilation surface.

Holding part 51 for heat exchange element 31
Are constituted by a concave portion formed in the first casing 35 and opened upward, and a concave portion formed on the lower surface of the second casing 36 and opened downward. The heat exchange element 31 is sandwiched between the two concave portions. The concave portion of the first casing 35 has an inner surface of the plate portion 35a, an inner surface of the plate portion 35b, a groove of the column portion 35c, and a groove of the column portion 35d,
The lower half of the heat exchange element 31 is fitted into the inside surrounded by these parts.

The concave portion of the second casing 36 is provided with a plate portion 36a.
, The inner surface of the plate portion 36b, the groove of the column portion 36c, and the groove of the column portion 36d. The upper half of the heat exchange element 31 is fitted inside the portion surrounded by these portions. I have. The inner surface of the plate portion 35a, the inner surface of the plate portion 35b, the inner surface of the plate portion 36a, and the inner surface of the plate portion 36b elastically sandwich the end surface 31g of the heat exchange element 31 in the above-described laminating direction. Then, it is held while being sealed. In addition, the above 4
Each groove of the two pillars is formed in a substantially L-shaped cross section, and is in contact with the ridge portion of the heat exchange element 31. The grooves of each column each cooperate with the grooves of the other columns to sandwich the heat exchange element 31 in all directions orthogonal to the stacking direction. Further, the groove of each pillar portion comes into contact with a ridge portion formed between two adjacent ventilation surfaces of the heat exchange element 31, and the supply air passage and the exhaust air passage passing through the two ventilation surfaces described above. The space is sealed.

The filter 32 is a fibrous member, and is formed in a rectangular plate shape whose surface is a ventilation surface. The holding portion 52 for the filter 32 in the air supply passage has a groove for holding the entire periphery of the filter 32. The grooves are formed by the plate portion 35a, the plate portion 35b, and the column portion 35d of the first casing 35.
A step having a substantially L-shaped section and a second casing 3
6 is defined by a step having a substantially L-shaped cross section formed on the plate portion 36a, the plate portion 36b, and the column portion 36d, and a supply side suction surface 31b of the heat exchange element 31. The outer peripheral surface of the filter 32 and the suction-side ventilation surface of the filter 32 abut on the above-described step, and the blow-out-side ventilation surface of the filter 32 is disposed along the supply-side suction surface 31b of the heat exchange element 31. I have.

Holding section 5 for filter 32 in exhaust air path
4 has a groove for holding the entire periphery of the filter 32. This groove is defined by a step having a substantially L-shaped cross section formed in the plate portion 35a, the plate portion 35b, the column portion 35c, and the column portion 35d of the first casing 35, and the exhaust-side suction surface 31d of the heat exchange element 31. Have been. The outer peripheral surface of the filter 32 and the suction-side ventilation surface of the filter 32 abut on the above-described step, and the outlet-side ventilation surface of the filter 32 is disposed along the exhaust-side suction surface 31d of the heat exchange element 31. .

As described above, since the filter 32 is fitted into the groove of the holding portion, the filter 32 can be securely held without rattling, and the space between each filter 32 and the groove of the holding portion can be sealed. As a result, the passage of dust can be prevented. The additional filter 33 is a filter in which the periphery of the filter medium having a finer size than the filter 32 is held by a square annular frame. Additional filter 33
Are arranged in the supply air passage at an interval from the supply-side blowing surface 31c of the heat exchange element 31.

The holding portion 53 for the additional filter 33 has a groove for holding the entire periphery of the frame of the additional filter 33.
The groove is formed in the plate portion 35 a of the first casing 35,
b and a groove having a substantially U-shaped cross section formed in the column portion 35c and a groove having a substantially U-shaped cross section formed in the plate portion 36a, the plate portion 36b, and the column portion 36c of the second casing 36. Have been.

The holding member 34 and the housing 21 cooperate with each other to form the following chambers in the unit housing chamber 21a, namely, a first exhaust chamber 34a partitioned below the heat exchange element 31; A second exhaust chamber 34b partitioned above the heat exchange element 31;
b, and a third exhaust chamber 34c that guides air to a connection port 21i to the exhaust duct 4, and a first air supply chamber 34 partitioned by the third exhaust chamber 34c and the inclined surface 36e of the holding member 34.
d and the first air supply chamber 34 d with the heat exchange element 31 interposed therebetween.
And the second air supply chamber 34e on the opposite side from the second air supply chamber 34e. Each of these chambers, a pair of air paths of the heat exchange element 31,
An air supply passage and an exhaust air passage are formed in the unit housing chamber 21a by the air passage passing through the filter 32 and the additional filter 33.

The first exhaust chamber 34a is provided with a first casing 35
Are surrounded by the plate portions 35a and 35b, the pillar portions 35c and 35d, the housing 21, and the filter 32. Further, the first exhaust chamber 34a also functions as a maintenance opening of the filter 32 as described later. In the first exhaust chamber 34a, the lower end of the plate portion 35a is cut out, and the first exhaust chamber 34a and the exhaust inlet chamber 21h are cut through the opening 21g.
And are in communication. The first exhaust chamber 34a is connected to the second exhaust chamber 34b via an exhaust air passage in the heat exchange element 31.
Communicate with

The second exhaust chamber 34b is provided with a second casing 36
Are surrounded by the plate portions 36a and 36b, the pillar portions 36c and 36d, the housing 21, and the heat exchange element 31. The second exhaust chamber 34b communicates with the third exhaust chamber 34c through above the pillar 36d. Third exhaust chamber 3
4 c is partitioned by the plate portions 36 a and 36 b of the second casing 36, the slope portion 36 e, a portion extending above the column portion 35 e of the first casing 35, and the housing 21.

The first air supply chamber 34d is provided with a first casing 35
The plate portions 35a, 35b and the column portions 35d, 35e, the plate portions 36a, 36b of the second casing 36 and the slope portion 36e,
It is partitioned by the housing 21 and the filter 32. The first air supply chamber 34d also functions as a maintenance opening of the filter 32 as described later. In the first air supply chamber 34d, the lower end of the plate portion 35a is cut out, and the opening 2
The first air supply chamber 34d and the air supply inlet chamber 21d communicate with each other through 1b. The first air supply chamber 34d communicates with the second air supply chamber 34e through an air supply passage in the heat exchange element 31.

The second air supply chamber 34e is provided with a first casing 35
This is a space surrounded by the plate portions 35a and 35b, the column portion 35c, the plate portions 36a and 36b of the second casing 36, the column portion 36c, the housing 21, and the additional filter 33. Further, the heat exchange unit 23 is provided detachably with respect to the apparatus main body 2. That is, the heat exchange unit 23
Are mounted and supported on the lower surface 21j of the unit storage chamber 21a and the mounting member 21k mounted on the side wall. Also, the unit accommodation room 21a of the housing 21
The lower surface portion 21j is rotatably supported at one end, and a panel 22 below the lower surface portion 21j is detachably provided. By opening the panel 22 and rotating the lower surface portion 21j of the unit accommodating chamber 21a, a maintenance opening can be formed on the lower surface of the apparatus main body 2.

When the maintenance opening is opened, the lower surface of the heat exchange unit 23 is exposed, and the first air supply chamber 34d and the first exhaust chamber 34a of the heat exchange unit 23 are opened downward. For example, with the heat exchange unit 23 attached to the apparatus main body 2, the suction port of the cleaner is approached to the filter 32 from the lower indoor side, and the filter 32 is cleaned or the filter 32 is replaced. The maintenance of the filter 32 can be performed.

When the mounting member 21k is removed, the entire heat exchange unit 23 can be inserted and removed through the maintenance opening, and the heat exchange unit 23 can be removed for maintenance. As described above, according to the present embodiment, the holding member 34 is
And a pair of filters 32 are held together,
As a result, the number of parts can be reduced, so that it is easy to assemble.

Further, since the foamed resin holding member 34 has elasticity, the space between the heat exchange element 31 and the filter 32 can be sealed, so that the number of sealing members can be reduced. Further, since the holding member 34 also serves as a partition member for the supply air passage and the exhaust air passage, the number of components can be further reduced. In addition, since the holding member 34 made of the foamed resin has a heat insulating property, the heat insulating material provided in the air passage can be reduced when the holding member 34 also serves as a partition member of the air passage.

Since the holding member 34 also serves as a member for holding the additional filter 33, the number of components can be further reduced. Further, the holding member 34 is formed by combining the first casing 35 and the second casing 36 as a pair of divided bodies for sandwiching the heat exchange element 31, so that the heat exchange element 31 is sandwiched between the pair of divided bodies. By the operation, the heat exchange element 31 can be held and the peripheral portion thereof can be assembled. As described above, simple operations are required, and assembly is easy.

The holding portions 52, 54 of the holding member 34
Since the has a groove, the peripheral edge of the filter 32 can be securely held by the groove, and can be reliably sealed.
Further, the groove is easily formed in the holding member 34 made of foamed resin.
Here, the groove may be capable of fitting a part of the peripheral edge of the filter 32. However, in the case where the groove is provided on the entire peripheral edge of the filter 32, it is possible to obtain more reliable sealing and holding properties. Can be. The holding section 53 for the additional filter 33 has the same effect.

In the supply air passage and the exhaust air passage, blowers 24 and 25 are provided on the same side of the heat exchange element 31 in the flow direction of each air passage, for example, on the upstream side. In this case, since the air is pushed into the supply air passage and the exhaust air passage of the heat exchange element 31 by the blower fans 24 and 25, the air is pushed into one of the supply air passage and the exhaust air passage of the heat exchange element 31. Compared with the case where air is sucked out from the other
1, the pressure difference between the supply air passage and the exhaust air passage can be reduced. As a result, the number of sealing members for sealing the periphery of the heat exchange element 31 can be further reduced. Here, the blower fan may be arranged on the downstream side of the heat exchange element 31 in the flow direction of the supply air passage and the exhaust air passage.

A blower fan 2 for air supply and exhaust
Since the motors 4 and 25 are driven by the common motor 26, the structure can be simplified. The holding member 34, the heat exchange element 31, and the filter 32 constitute an integrated heat exchange unit 23.
It is provided detachably with respect to the apparatus main body 2. As a result, the heat exchange unit 23 can be handled integrally and can be mounted on the apparatus main body 2, so that the assembly is easy.

Further, since the holding member 34 made of foamed resin has a buffering property, the heat exchange element 31 accommodated therein is provided.
As a result, there is no possibility that the heat exchange element 31 may be deformed by hitting the device body 2 or the like during assembly. Accordingly, the heat exchange element 31 may be formed of a laminate, and the frame normally provided around the laminate may be omitted.

Note that the laminated body of the heat exchange elements 31 is not limited to a rectangular parallelepiped, and, for example, has a cross section of 8
It may be a polygon or other polygonal shape. It is also conceivable that the holding member 34 is formed of a paper material used for a so-called special paper molding or the like instead of the above-described foamed resin. Also in this case, the above-described effects can be obtained in the same manner as in the case of forming with a foamed resin.

In the above embodiment, the additional filter 33 and the permanent filter 32
, But is not limited to this. For example, when it is not necessary to purify the air supply, the additional filter 33 may be omitted. Further, the device main body 2 is not limited to the above-described configuration. For example, the heat exchange element 31
An air passage for ordinary ventilation may be provided for ventilating between indoor and outdoor without heat exchange between air supply and exhaust. Various arrangements of the suction port 13 and the air outlet 14 can be considered. Further, the blowing fan 24 and the blowing fan 2
5 is arranged on the upstream side of the heat exchange element 31 in the corresponding air path, and the other in the corresponding air path.
It is also conceivable to arrange it downstream of the heat exchange element 31.

In addition, various design changes can be made without changing the gist of the present invention.

[0047]

According to the first aspect of the present invention, since the holding member holds both the heat exchange element and the pair of filters and the number of parts can be reduced, it is easy to assemble.
Further, the holding member made of the foamed resin can seal the space between the heat exchange element and the filter by its own elasticity, and the number of sealing members can be reduced.

According to the invention described in claim 2, according to claim 1
In addition to the effects of the invention described in (1), since the holding member also serves as a partition member of the air path, the number of parts can be further reduced. In addition, since the holding member made of the foamed resin itself has heat insulating properties, it is not necessary to separately use a heat insulating material. According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, the number of parts can be further reduced by using the holding member as a member for holding the additional filter. it can.

According to the invention set forth in claim 4, according to claim 1,
In addition to the effects of the invention described in any one of (3) to (3), the heat exchange element and its peripheral portion can be easily assembled by a simple operation of sandwiching the heat exchange element between the pair of divided bodies. According to the fifth aspect of the present invention, in addition to the effects of the first to fourth aspects, the groove for fitting the peripheral edge of the filter can securely hold the filter and further securely seal. As a result, the number of holding members and sealing members can be further reduced.

According to the invention described in claim 6, claim 1 is provided.
In addition to the effects of the invention described in any one of the above-described embodiments, since each of the blower fans in the air supply passage and the exhaust air passage is provided upstream or downstream of the heat exchange element, the blower fan supplies air to the heat exchange element. Acts as a push-in or a suction-out, and the pressure difference in the vicinity of the heat exchange element can be reduced, so that the number of sealing members can be reduced.

According to the invention of claim 7, according to claim 1,
In addition to the effects of the invention described in any one of the above-described embodiments, since the unit can be integrally handled and attached to the apparatus main body, it is easy to assemble.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a schematic configuration of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a sectional front view of the air conditioner of FIG.

FIG. 3 is an exploded perspective view of the heat exchange unit of FIG.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 air conditioner 2 apparatus main body 23 heat exchange unit 24, 25 blower fan 31 heat exchange element 32 filter 33 additional filter 34 holding member 35 first casing (divided body) 36 second casing (divided body) 52, 54 holding section ( Groove) F1 Supply air path F2 Exhaust air path

Claims (7)

[Claims] 1. A heat exchange element (31) for exchanging heat between air flows flowing through an exhaust air path (F2) from indoors to outdoors and an air supply path (F1) from outdoors to indoors; (F1) and a pair of filters (32) for removing dust from air in the exhaust air path (F2), and a holding member (34) for holding the pair of filters (32) and the heat exchange element (31). The air conditioner, wherein the holding member (34) is formed of a foamed resin. 2. The air conditioner (1) according to claim 1, wherein the holding member (34) includes an air supply air path (F1) and an exhaust air path.
An air conditioner characterized by partitioning (F2). 3. An air conditioner according to claim 1 or 2.
(1), further includes an additional filter (33) provided on the downstream side of the filter (32) of the supply air path (F1),
(33) An air conditioner characterized by being held by a holding member (34). 4. The air conditioner (1) according to claim 1, wherein the holding member (34) is a pair of divided bodies (35, 36) that sandwich the heat exchange element (31). An air conditioner characterized by combining: 5. The air conditioner (1) according to claim 1, wherein the holding member (34) includes a filter (3).
An air conditioner characterized by having a groove (52, 54) into which the periphery of 2) is fitted. 6. The air conditioner (1) according to any one of claims 1 to 5, wherein the supply air path (F1) and the exhaust air path (F2) are provided with respect to a heat exchange element (31). An air conditioner, wherein a blower fan (24, 25) is provided on the same side in the flow direction of each air passage. 7. The air conditioner (1) according to claim 1, wherein the holding member (34), the heat exchange element (31), and the filter (32) are an integrated unit (23). The air conditioner is characterized in that the unit (23) is provided detachably with respect to the device main body (2).