JP3301175B2 - Air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly, to an air conditioner provided with a humidifier.

[0002]

2. Description of the Related Art An air conditioner having a humidifier is generally known as having an arrangement shown in FIG.
23930). In that configuration, the housing 1
In 01, a total heat exchanger 102 for exchanging heat of air supplied into the room and a humidifier 103 are provided. Then, the air that has been heat-exchanged by the total heat exchanger 102 is further humidified by the humidifier 103 so that air having an appropriate humidity is supplied to the room.

The humidifier 103 comprises a humidifying unit 103
a, a water supply tank 103b for supplying humidifying water to the humidifying unit 103a, and a drain pan 103c disposed immediately below the humidifying unit 103a and fixed to the housing 101. A metal mounting plate 103d for mounting the humidifying unit 103a is fixed to an upper portion of the drain pan 103c, and an end of the metal mounting plate 103d is connected to a maintenance port 101 formed on a side of the housing 101.
I am facing a. And the humidification unit 103a
Was configured to be able to be inserted and withdrawn through the maintenance port 101a of the housing 101.

[0004]

As described above, in the above-described conventional configuration, a metal mounting plate 103d is simply provided above the drain pan 103c, and the humidifying unit 103a is connected to the maintenance port 101a on the mounting plate 103d. Humidification unit 103a
Of the humidifying unit 103a is inclined and is easily caught on the mounting plate 103d.

Next, the humidifying unit 103a is placed on the mounting plate 10
Simply placing the humidifying unit 103a on the housing 3d results in an insufficient sealing property between the housing 101 and the humidifying unit 103a, particularly, a sealing property between the top plate of the housing 101 and the humidifying unit 103a. As a result of being introduced into the room bypassing the humidification unit, there is a problem that the humidification efficiency is reduced.

The present invention has been made in view of the above-described problems, and has as its object to provide an air conditioner that can maintain high humidification efficiency without hindering the operation of inserting and removing the humidification unit.

[0007]

In order to solve the above-mentioned problems, an air conditioner according to the present invention comprises a housing having a maintenance port for inserting and removing a box-shaped humidifying unit, a housing attached to the housing, and a vertically mounted housing. A sliding plate that guides the upper surface of the humidifying unit in a displaceable state, and an elastic sealing material that is interposed between the sliding plate and the housing and urges the sliding plate to the upper surface of the humidifying unit while maintaining airtightness. And is characterized by having.

Further, in the air conditioner of the present invention, the housing includes a spacer for adjusting a clearance between a top plate of the housing and the humidifying unit for each model, and the sliding plate is attached to the housing via the spacer. Have been. Further, in the air conditioner according to claim 3, the slide plate is inclined upward and faces the maintenance port, and is folded back from the maintenance port side of the guide surface and is locked to the spacer. And a tip.

Further, in the air conditioner according to the fourth aspect, the housing is disposed on a drain pan for collecting water dropped from the humidifying unit, and is disposed on the drain pan.
It has a rib-shaped rail portion made of a resin material that receives the lower surface of the humidifying unit, and a conduction path that conducts water traveling along the rail portion to the inside of the drain pan.

Further, in the air conditioner according to the fifth aspect, a large number of the humidifying units are connected to each other with their side plates abutting each other, and one side plate of the humidifying unit is provided between adjacent humidifying units. A water supply hose for supplying water from a water supply tank in a state where the gap can be sealed is connected.

[0011]

According to the air conditioner of the first aspect, since the sliding plate is provided with a downwardly biased by the elastic sealing material, the sliding plate elastically guides the upper surface of the humidifying unit and slides. An elastic sealing material seals between the plate and the housing. Further, the airtightness between the humidifying unit and the sliding plate is improved by biasing the sliding plate toward the upper surface of the humidifying unit.

In addition, according to the air conditioner of the second aspect, a humidifying unit having the same height can be used regardless of the type of the housing. According to the air conditioner of the third aspect, the slide plate is inclined upward and faces the maintenance port, and is folded back from the maintenance port side of the guide surface and locked to the spacer. When the humidifying unit is housed in the housing from the maintenance port, the guide surface of the sliding plate guides the upper end edge on the upstream side in the insertion direction of the humidifying unit, and the insertion acting on the sliding plate. The directional force is received at the tip.

Further, according to the air conditioner of the present invention, since the rail supporting the humidifying unit is made of resin, the sliding in the inserting / removing direction of the humidifying unit is improved. Further, water dropped from the humidifying unit is collected in the drain pan from the rib-shaped rail portion through the conduction path. Furthermore, according to the air conditioner of the fifth aspect, since the air conditioners are connected in a state of being sealed by the water supply hose connected to the side plate, the water supply hose seals between the humidifying units adjacent to each other.

[0014]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a schematic perspective view showing a main part of an air conditioner according to an embodiment of the present invention, FIG. 2 is a schematic plan view of the air conditioner, and FIG. FIG. 4 is a schematic side view showing a housing state of a possible humidifying unit, and FIG. 4 is a schematic perspective view showing a state in which the inside of a housing is viewed from a maintenance port of the air conditioner.

First, referring to FIG. 2, the air conditioner 10 of the present embodiment has a housing 11. The housing 11 includes a rectangular outer wall portion 11a and a partition plate 11b that partitions the outer wall portion 11a.
The partition plate 11b defines a supply flow path P1 for circulating outdoor air to the inside of the room and an exhaust flow path P2 for discharging indoor air to the outside of the room. A blower F composed of a sirocco fan or the like (only the one in the supply flow path P1 is shown) is disposed in each of the flow paths P1 and P2. It is configured to circulate in P2.

Next, a heat exchange element 12 is accommodated in the housing 11. Heat exchange element 12
Are formed in a predetermined shape from a sheet material having good thermal conductivity, such as paper, and further laminated to form a polygonal column shape that defines a two-way air flow passage. And
One air flow passage of the heat exchange element 12 communicates with the air supply flow passage P1 of the housing 11, and the other air flow passage communicates with the exhaust flow passage P2. , And P2 are subjected to heat exchange.

The heat exchange element 1 in the supply flow path P1
A humidification chamber C is defined downstream of the humidification chamber 2. In the humidification chamber C, a humidifier 13 for humidifying heat exchanged outdoor air is provided. A part of the humidifying chamber C is partitioned by a partition plate C2 having an inlet C1 for introducing air discharged from the blower F into the inside, and the introduced air passes through the humidifier 13 and is supplied to a supply passage. It is supplied indoors from a duct joint SA that defines the downstream end of P1. further,
A maintenance port 11c communicating with the humidification chamber C is formed in the outer wall 11a of the housing 11, and the humidification units 13a can be inserted and removed one by one through the maintenance port 11c. Although not specifically shown, the housing 11 has a maintenance port 1.
A maintenance lid for opening and closing 1c is attached. A packing for sealing a gap with the humidifying unit 13a is fixed to the maintenance lid.

The humidifier 13 includes a large number (for example, five) of box-shaped humidifying units 13a vertically connected in FIG. Here, as best shown in FIG.
The inlet C1 of the humidification chamber C is connected to the duct joint SA.
The humidifying unit 13a is arranged obliquely with respect to the direction in which the humidifying unit 13a is connected, so that the air that has passed through the inlet C1 passes through the humidifying unit 13a evenly. A wind direction mechanism M is provided at the inlet C1, and the humidification capacity of the air can be changed by adjusting the flow of air with the wind direction mechanism M.

Referring to FIGS. 1, 3, and 4, the humidifying unit 13a is a rectangular box formed of a resin plate. A pair of end plates 131 of the humidifying unit 13a facing each other in the direction of the supply flow path P1 are formed by a large number of pipes 1
32 is carried in an open state, and the air is circulated from the upstream side to the downstream side of the supply flow path P1 through the inside of the tube 132. The pipe 132 is for introducing the water in the humidifying unit 13a as steam into the inside, and humidifying the supply air flowing inside.

Next, the humidifier 13 has a water supply tank 13b. The water supply tank 13b is for supplying water to the inside of the humidification unit 13a, and is connected to a water supply source S (only FIG. 2 is shown) via a solenoid valve V. 1 and 4, reference numeral 13c denotes a drain pipe for draining water from a water supply tank 13b to a drain pan 11f to prevent overflow, and V1 denotes a supply pipe for supplying water from a solenoid valve V to the water supply tank 13b. , V2 are supply pipes for supplying water from the water supply source S to the solenoid valve V. In the present embodiment, the water supply tank 13b, the solenoid valve V, and a water supply hose 13e described later constitute a water supply functional part 130.

In this embodiment, the water supply functional component 130 is disposed in the humidification chamber C at a predetermined position upstream of the humidification unit 13a in the air flow direction. Describing in more detail, the water supply functional component 130 of the present embodiment includes:
A pair of fixing members 130 is provided on the upper part of the wall surface of the partition plate C2.
a. And this results in FIG.
As is best shown in FIG.
The water supply tank 13b and the solenoid valve V that constitute the above face the maintenance port 11c.

In the present embodiment, the inlet C1 of the humidifying chamber C is located farther than the maintenance port 11c so that the functional component for water supply can be most easily viewed and the maintenance work can be performed easily. Provided. And
The functional component for water supply is arranged along the wall surface of the partition plate C2 closer to the maintenance port 11c than the inlet port C1.

As shown in FIGS. 1 to 4, in order to supply water from the water supply tank 13b to the humidification unit 13a, one side plate 133 of each humidification unit 13a is provided with a water supply pipe joint 1.
A water supply hose 13e from the water supply tank 13b is connected to the water supply fitting 134. The diameter of the water supply hose 13e is set to be larger than the projecting height of the water supply fitting 134.
As shown in FIG. 2, a side plate 133 having a water supply pipe joint 134 of one humidification unit 13a and another humidification unit 13a
By connecting the humidifying unit 13a with the side plate 134 having the
A humidifying unit 13a to which the water supply hose 13e is adjacent,
The action of the packing for sealing the space between 13a is achieved. As described above, the water supply pipe fitting 134 is connected to the side plate 133 of one humidifying unit 13a and the other humidifying unit 13a.
When they face the side plate 133 of a, they are attached to portions that do not interfere with each other.

As shown in FIG. 1, at the lower part of the humidifying chamber C,
A drain pan 11f is provided. Drain pan 11f
Is for collecting water dropped from the humidifying unit 13a. A drain pipe 130c for drain is connected to the drain pan 11f. In this embodiment, a mounting plate 11d is fixed to the upper part of the drain pan 11f. The mounting plate 11d extends in the insertion and removal direction of the humidification unit 13a with one end facing the maintenance port 11c.

A pair of rail members 15 are fixed to the upper part of the mounting plate 11d. The rail members 15 are resin molded products, and are arranged in parallel with each other along the insertion / removal direction of the humidification unit 13a. As shown in FIG.
Is a board portion 15a fixed to the mounting plate 11d,
A guide protrusion 15b extending upward from one end of the substrate portion 15a and receiving the outer surface of the humidifying unit 13a;
The humidifying unit 13 extends upward from the vicinity of the other end of 5a.
and a rib-shaped rail portion 15c for receiving the lower surface of a, and a drain groove 15d for draining water dropped from the humidifying unit 13a is defined between the rail portion 15c and the guide protrusion 15b. ing.

As shown in FIG. 1, in order to collect the water dropped in the drain groove 15d in the drain pan 11f, an end of the mounting plate 11d on the side of the maintenance port 11c is provided.
A square window 11e constituting a conduction path is defined, and water in the drain groove 15d is drained through the drain window 11e through the square window 11e.
f so that it can be collected efficiently. In order to more efficiently collect the water in the drain groove 15d in the drain pan 11f, a part of the rail portion 15c may be cut out.

In this embodiment, the mounting plate 11d
A take-out plate 16 is placed on the upper surface. As shown in FIG. 1, the take-out plate 16 is mounted on the upper surface of the mounting plate 11d so as to be slidable, the substrate 16a facing the lower surface of the humidifying unit 13a, and the downstream of the substrate 16a in the humidifying unit insertion direction. A locking portion 16b extending to the side end and locking to the side surface of the humidifying unit 13a disposed at the innermost portion;
a is a sheet metal product integrally provided with a substantially U-shaped handle 16c extending at the upstream end of the humidifying unit in the insertion direction. The handle 16c is gripped from the maintenance port 11 to the outside of the housing 11. , The humidifying unit 13a disposed in the innermost part of the humidifying chamber C is easily pulled out.

Next, as shown in FIG. 1 and FIG. 4, a spacer 17 is fixed to a top plate (not shown) of the housing 11. The spacer 17 is provided on the top plate portion 17 facing the upper surface of the humidifying unit
a, and extending on both sides of the top plate 17a, the top plate 17a
And a side plate portion 17b for fixing the base plate to the top plate of the housing 11. In the spacer 17, the height of the side plate portion 17b is different for each model of the housing 11, thereby adjusting the clearance between the top plate of the housing 11 and the humidifying unit 13a for each model. Humidifying unit 1 for various housings 11
3a is intended to be modularized.

In this embodiment, the channel portion 1 that opens downward is located on the downstream side of the spacer 17 as viewed from the air flow.
7c is fixed. On the other hand, as shown in FIG. 1, a flange 13f is provided on a portion of the mounting plate 11d which vertically faces the channel portion 17c, and a humidifying unit 13a is provided between the flange 13f and the channel portion 17c. And a drain filter FL disposed downstream of the filter. The drain filter FL is for preventing water droplets from being scattered from the downstream side of the humidifying unit 13a, and is formed by impregnating honeycomb polypropylene with an antibacterial agent such as silver zeolite.

A sliding plate 18 is attached to the top plate 17a of the spacer 17. The sliding plate 18 has a sled-shaped sheet metal member arranged in the direction of insertion and removal of the humidifying unit 13a. Both ends of the sliding plate 18 (FIGS. 1 and 4)
In addition, only the maintenance port 11c side end is shown) 18a
It is folded back and locked to the end of the top plate portion 17a,
It is configured to be vertically displaceable. Also, the sliding plate 18
On the end side facing the maintenance port 11c, a guide surface 1 that is inclined upward as approaching the maintenance port 11c is provided.
The guide surface 18b guides the upper edge of the humidifying unit 13a on the upstream side in the insertion direction.

Between the sliding plate 18 and the top plate 17a,
An elastic seal member 19 made of, for example, urethane is interposed. The elastic seal member 19 is for urging the sliding plate 18 to the upper surface of the humidifying unit 13a in the humidifying chamber C while maintaining the airtightness. As described above, in the present embodiment, the housing 11 having the maintenance port 11c for inserting and removing the box-shaped humidifying unit 13a, and the housing 11 is attached to the housing 11,
A sliding plate 18 for guiding the upper surface of the humidifying unit 13a in a vertically displaceable state, and a sliding plate 18 interposed between the sliding plate 18 and the housing 11 to keep the airtightness of the sliding plate 18 in the humidifying unit 13a. The sliding plate 18 elastically guides the upper surface of the humidifying unit 13a, and the elastic sealing material 19 between the sliding plate 18 and the housing 11 is provided. Can be sealed. Therefore, according to this embodiment, the humidifying unit 13a can be easily inserted and removed while maintaining high airtightness. As a result, the air to be humidified is humidified during the humidification.
And the humidification efficiency is improved accordingly. On the other hand, when the humidifying unit 13a is inserted and removed, the humidifying unit 13a slides well, and the insertion and removal work becomes easy. Further, in the configuration of the present embodiment, the sliding plate 18 is urged to the upper surface of the humidifying unit 13a, so that the airtightness between the humidifying unit 13a and the sliding plate 18 is also improved, so that the humidifying efficiency is further improved. There is an advantage that.

Further, in this embodiment, the sliding plate 18
Is a guide surface 18b inclined upward and facing the maintenance port 11c, and a maintenance port 11c of the guide surface 18b.
When the humidifying unit 13a is accommodated in the housing 11 through the maintenance port 11c, the guide surface 18b of the sliding plate 18 is humidified. In addition to guiding the upper edge of the unit 13a on the upstream side in the insertion direction, the sliding plate 18
At the end 18a. Therefore, in this embodiment, even when the sliding plate 18 abuts against the humidifying unit 13a, there is no possibility that the sliding plate 18 is deformed. In addition, the guide surface 1 of the sliding plate 18
8b facilitates insertion of the humidification unit 13a,
There is an advantage that workability is improved accordingly.

In this embodiment, the housing 11 is provided with a spacer 17 for adjusting the clearance between the top plate of the housing 11 and the humidifying unit 13a for each model. Since it is attached to the housing 11, the humidification unit 13a having the same height can be used regardless of the type of the housing 11. Therefore, according to the present embodiment, there is an advantage that the humidification unit 13a can be modularized.

Further, in this embodiment, the housing 11 is made of a drain pan 11f for collecting water dropped from the humidifying unit 13a, and a resin material disposed on the drain pan 11f and receiving the lower surface of the humidifying unit 13a. Rail material 15 including configured rib-shaped rail portion 15c
And the square window 11e as a conduction path for conducting water transmitted through the rail portion 15c to the inside of the drain pan 11f, so that the humidifying unit 13a can be smoothly slid in the insertion and removal direction, and the humidification unit 13a can be further inserted and removed. There is an advantage that it becomes easy. Further, in the present embodiment, the water dropped from the humidifying unit 13 a is
Since c is collected by the drain pan 11f through the square window 11e, there is an advantage that the drainage performance of dropped water is improved.

Further, in this embodiment, a large number of humidifying units 13a are connected in a state where the side plates 133 abut against each other, and one of the side plates 133 of the humidifying unit 13a is connected to the adjacent humidifying units 13a, 13a. 1
Since the water supply hose 13e for supplying water from the water supply tank 13b is connected in a state where the gap between the water supply tanks 3a can be sealed, the water supply hose 13e seals between the humidifying units 13a and 13a adjacent to each other. There is an advantage that the airtightness between the humidifying units 13a and 13a can be maintained without providing a suitable packing, and accordingly, high humidifying performance can be maintained.

In particular, in this embodiment, the water supply pipe joint 13
4 is formed in a columnar shape protruding from the side plate 133 of the humidifying unit 13a in a continuous direction, and a water supply hose 13e is connected to a peripheral surface thereof.
4, the amount of the water supply hose 13e sandwiched by the adjacent humidifying units 13a can be regulated. Therefore, according to this embodiment, the water supply hose 13e is not pinched and crushed between the humidifying units 13a.

As described above, according to the present embodiment, high humidification efficiency can be maintained without hindering the insertion / removal operation of the humidification unit 13a. In the above-described embodiment,
It is needless to say that the present invention is merely an example of the preferred embodiment of the present invention, and various design changes can be made without changing the gist of the present invention.

[0038]

As described above, according to the air conditioner of the first aspect, the sliding plate elastically guides the upper surface of the humidifying unit, and the gap between the sliding plate and the housing is reduced.
Since the elastic sealing material seals, it is possible to easily insert and remove the humidifying unit while maintaining high airtightness.As a result, when humidifying, air to be humidified does not bypass between the humidifying unit and the housing. Accordingly, the humidification efficiency is improved. On the other hand, when the humidifying unit is inserted and removed, the humidifying unit slides better and the insertion and removal operation becomes easier. Further, in the configuration of the first aspect, the airtightness between the humidifying unit and the sliding plate is improved by biasing the sliding plate to the upper surface of the humidifying unit, so that the humidifying efficiency is further improved. is there.

In addition, according to the air conditioner of the second aspect, since the humidifying unit having the same height can be used regardless of the type of the housing, there is an advantage that the humidifying unit can be modularized. There is. According to the air conditioner of the third aspect, when the humidifying unit is accommodated in the housing from the maintenance port, the guide surface of the sliding plate guides the upper end edge on the upstream side in the insertion direction of the humidifying unit and the sliding plate. Therefore, even if the sliding plate collides with the humidifying unit, the sliding plate is not likely to be deformed. In addition, the guide surface of the slide plate facilitates insertion of the humidifying unit, and thus has the advantage of improving workability.

Further, according to the air conditioner of the fourth aspect, since the sliding in the inserting / removing direction of the humidifying unit is improved, there is an advantage that the operation of inserting and removing the humidifying unit is further facilitated. Further, in the configuration of the fourth aspect, the water dropped from the humidifying unit is collected by the drain pan from the rib-shaped rail portion through the conduction path, so that there is an advantage that the drainage performance of the dropped water is improved.

Further, according to the air conditioner of the present invention, since the water supply hose seals between the humidifying units adjacent to each other, the airtightness between the humidifying units is maintained without providing a special packing. Therefore, there is an advantage that high humidification performance can be maintained. Therefore, according to the present invention, there is a remarkable effect that high humidification efficiency can be maintained without hindering the insertion / removal operation of the humidification unit.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a main part of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a schematic plan view of the air conditioner.

FIG. 3 is a schematic side view showing a housing state of a humidifying unit applicable to the air conditioner.

FIG. 4 is a schematic perspective view showing a state in which the inside of a housing is viewed from a maintenance port of the air conditioner.

FIG. 5 is a schematic perspective view of a conventional air conditioner.

[Explanation of symbols]

 Reference Signs List 10 air conditioner 11 housing 11c maintenance port 11e square window (conduction path) 11f drain pan 13 humidifier 13a humidifying unit 13b water supply tank 133 side plate 13e water supply hose 15 rail material 15c rail portion 17 spacer 18 slide plate 18a end (tip) 18b Guide surface 19 Elastic sealing material

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-284654 (JP, A) JP-A-6-213485 (JP, A) JP-A-5-1928 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) F24F 6/00 F24F 6/00 301 F24F 13/10

Claims (5)

(57) [Claims] 1. A housing (11) having a maintenance port (11c) for inserting and removing a box-shaped humidification unit (13a), and the humidification unit attached to the housing (11) and capable of being vertically displaced. A sliding plate (18) for guiding the upper surface of the sliding plate (13a); and a humidifying unit (13a) interposed between the sliding plate (18) and the housing (11) to maintain the airtightness. An air conditioner characterized by comprising an elastic sealing material (19) for urging the upper surface of the air conditioner. 2. The housing (11) includes a spacer (17) for adjusting a clearance between a top plate of the housing (11) and a humidifying unit (13a) for each model, and the spacer (17) is provided through the spacer (17). The air conditioner according to claim 1, wherein the sliding plate (18) is attached to the housing (11). The sliding plate (18) has a guide surface (18b) inclined upward and facing the maintenance port (11c), and a guide surface (1).
3. The air conditioner according to claim 2, further comprising a tip end (18 a) that is folded back from the side of the maintenance port (11 c) of (8 b) and locked to the spacer (17). 4. The humidifying unit (13) includes a housing (11).
a) A drain pan (11f) that collects water dripping from (a), and a humidification unit (13a) installed above the drain pan (11f)
Rib-shaped rail section made of resin material to receive the lower surface of
(15c) and drain water (11f)
The air conditioner according to claim 1, further comprising a conduction path (11e) for conducting the inside of the air conditioner. 5. A plurality of humidifying units (13a) are provided in a row with their side plates abutting each other, and one side plate of the humidifying unit (13a) is provided between adjacent humidifying units (13a). Fill the water tank (1
The air conditioner according to claim 1, wherein a water supply hose (13e) for supplying water from 3c) is connected.