JPS6213938A - Air conditioner - Google Patents

Abstract

PURPOSE:To perform a simultaneous cleaning of air and adjusting of a temperature of air under an efficient manner by a method wherein an electrical discharging part, a dust collecting part, a circulation fan, a heat exchanger and a drain discharging part are arranged in sequence from a suction port to a discharging port within an air passage communicating an upper suction port with a lower discharging port. CONSTITUTION:A circulation fan 50 is driven and at the same time when an electrical discharging part 20 is applied with a voltage, then stained air in the atmosphere is supplied from the suction port 12 into the air passage 16 in the main body 10 of the air conditioner. The dust contained in the air is electrically charged by a corona discharge generated between an electrical discharging electrode plate 24 and an electrical discharging opposed electrode plate 28. When this air is passed through the dust collection part 30 at the downstream side, the dust is collected at the dust collector plate 32 or the opposing electrode of the electrical charging filter to cause only the cleaned air to be passed through a circulation fan 50, supplied to a heat exchanger 40, the air is adjusted to a desired temperature by this heat exchanger 40 and thereafter the cleaned and temperature adjusted air is supplied into a room.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an air conditioner, and more specifically,
Air conditioners whose purpose is to purify the environmental air of homes, offices, clean rooms, hospitals, etc. and at the same time adjust the temperature by supplying pre-purified air into the room after adjusting the temperature through heat exchange. It is.

[Prior Art] In general, indoor temperature control is performed by air conditioners such as room air conditioners, and air purifiers that use corona discharge are used to purify contaminated air. objectives are achieved separately.

[Problems to be solved by the invention] However, in the conventional system, in order to adjust the indoor temperature and purify the air, two units, a room air conditioner and an air purifier, must be installed independently. , these room air conditioners and air purifiers must be installed and operated separately, making installation and operation complicated, expensive, and difficult to utilize space effectively. There were problems such as not being able to plan. One way to solve this problem is to integrate a room air conditioner and an air purifier, but since a room air conditioner requires a drain discharge part in the middle of the air flow path, this drain discharge part is leading to air pressure loss and reducing the desired f
In order to secure f1ffl, it is necessary to increase the cross-sectional area of the air flow path and greatly increase the capacity of the circulation fan.
Therefore, it is necessary to increase the size of the entire device. Also, the condensed water in the heat exchanger is empty 1111.1 Air purifier 0 High voltage part 1 Contact 16. ! There is also a danger of "P9".

[Means for Solving the Problems] The present invention was made in view of the above circumstances, and as a means to solve the above technical problems, the present invention provides an inlet and an outlet provided on the top and bottom of the air conditioner main body. A discharge section, a dust collection section, a circulation fan, and a heat exchanger are arranged in order from the suction port to the discharge port in the air flow path communicating with the It consists of a discharge electrode plate with a protruding part, and a discharge return electrode plate with a hole located approximately at the center of the distal end of the discharge needle part of the discharge electrode plate. The heat exchanger is composed of a dust electrode plate and a dust collecting counter electrode plate arranged alternately, and the heat exchanger is a fin type heat exchanger having fins parallel to the air flow path. It is an object of the present invention to provide an air conditioner characterized in that a drain discharge part is provided in the lower part.

In this invention, the suction port may only be a fixed type that leads to the discharge part and the dust collection part, and in addition to this fixed type suction port, a suction port that can be opened and closed for wind noise adjustment may be provided. It may be prepared. If the suction port is equipped with a suction port that can be opened and closed, the ff1ffif
f1ffl is preferably a shutter or a rotating blade.

In this invention, the discharge electrode plate and the dust collecting counter electrode plate are integrally formed, and the discharge counter electrode plate includes: 1
□A base with multiple holes and an end of this base.
M, 1. ．． It is composed of a bent piece that is bent from 1 to 1, and an engaging groove is provided in this bent piece, and the end of the dust collecting electrode plate can be detachably held in this engaging groove. Furthermore, the hole formed in the discharge return electrode plate is constituted by a circular hole or a hexagonal or hexagonal regular polygonal hole.

Further, the heat exchanger is composed of a plurality of heat exchange fins arranged in parallel to each other and a heat exchange tube that passes through these heat exchange fins and is bent in a meandering shape, or It consists of a heat exchange tube bent in a meandering shape and heat exchange fins interposed in the gap between adjacent parts of the heat exchange tube, and is arranged at an angle with respect to the air flow path. This is intended to improve the heat exchange rate. Furthermore, the drain discharge section is formed integrally with the air conditioner main body.

[Effect 1 The above technical means works as follows.

A discharge part, a dust collection part, a circulation fan, a heat exchanger, and a drain discharge part are arranged in order from the suction port to the discharge port in the air flow path that communicates the upper suction port and the lower discharge port. Therefore, air purification and temperature control can be performed simultaneously and efficiently, and space can be used effectively.

In addition, since the temperature is adjusted after air purification in advance, the heat exchanger is not contaminated by contaminated air, which prevents a drop in efficiency.Moreover, the heat exchanger is located slanted at the bottom. As a result, the air purifier section is not affected by condensed water, the amount of air passing through the heat exchanger is increased, and the drain discharge section does not block the air flow path, so there is no fear of air pressure loss. .

Furthermore, by providing a fixed suction port that communicates with the discharge section and the dust collection section and a suction port that can be opened and closed to adjust the airflow a, the amount of air sucked into the discharge section side may be insufficient,
When it is desired to maximize the ability to adjust humidity, the openable and closable suction port can be opened to accommodate this, and air purification and/or temperature/humidity adjustment can be arbitrarily selected.

[Embodiments] Examples of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a schematic sectional view, not showing a first embodiment of the air conditioner of the present invention. A suction port 12 and a discharge port 14 that communicate with each other are provided at the upper and lower portions, and in the air flow path 16, a discharge portion 20, a collection portion 30, and a circulation fan 50 are arranged in order from the suction port 12 to the discharge port 14. A drain gutter 76 is disposed at the bottom of the heat exchanger 40 and the heat exchanger, and constitutes the main part thereof.

The discharge section 20 includes a discharge electrode plate 24 having a plurality of pointed discharge needles 22 protruding therefrom, and a plurality of holes 26a located approximately at the center of the distal ends of the discharge needles 22 of the discharge electrode plate 24. A discharge return electrode plate 28 is provided. In this case, the discharge electrode plate 24 is formed integrally with a dust collecting counter electrode plate 34, which will be described later, and has a plate thickness of, for example, 0.1 to 3.0 aI1.
It is preferably made of a conductive metal plate having a strength of 0.2'-1,0IllI stainless steel, common steel, copper, brass, aluminum, or the like. On the other hand, the discharge return electrode plate 28 is connected to the pointed discharge needle portion 22 of the discharge electrode plate 24.
A metal plate made of aluminum alloy or the like having a plurality of circular holes 26a centered on the tip of the metal plate or at least the holes 2
It is formed of a resin substrate whose surface including 6a is coated with a conductive fully conductive layer. In the discharge Ti electrode plate 24 and the discharge return electrode plate 28 configured in this way, the discharge electrode plate 24 is connected to the cathode of a power source (not shown), and the discharge return electrode plate 28 is connected to the anode of the power source. When a voltage is applied between the electrode plate 24 and the discharge counter electrode plate 28, corona discharge is generated between the pointed discharge needle portion 22 and the circular hole portion 26a. In this case, the discharge electrode plate 24 and the discharge counter electrode plate 28 may have opposite polarities to perform anodic discharge. Such corona discharge can be performed using, for example, a DC current of 4 or 5 KV and 0.1 to 11+1 A obtained by transforming and rectifying a household AC power source (100V). Note that the hole 26a formed in the discharge return electrode plate 28 does not necessarily have to be circular, as shown in FIG. 6(a), for example.

As shown in (b), the holes 26b and 26c may be regular polygons such as hexagons or hexagons. Also,
The discharge return electrode plate 28 has holes 26a, 26b,
26c, and a bent piece 28b bent into an L shape from the lower end of the base 28a.
In addition, the bent piece 28b is provided with a wave-shaped engagement 1i1728c that detachably holds the end of the collection pole plate 32, which will be described later (see FIGS. 3 and 4).

In addition, in the above embodiment, the discharge electrode plate 24 and the dust collection counter electrode plate 34
Although a case has been described in which these are integrally formed, it is not necessarily necessary to integrally form them, and as shown in FIG. 5(a), the discharge electrode plate 24 and the dust collection counter electrode plate 34 may be formed separately. It's okay.

The dust collecting section 30 has a structure in which a plurality of dust collecting electrode plates 32 and dust collecting counter electrode plates 34 which are parallel to each other are alternately arranged.

In this case, these dust collecting electrode plates 32 may be connected to each other at one side end, and after being used for a certain amount, the dust collecting electrode plates 32 may be connected to each other at one end thereof, and after being used for some time, the dust collecting electrode plates 32 may be connected to each other at one end thereof.

It can be replaced from above. The dust collecting electrode plate 32 and the dust collecting counter electrode plate 34 configured in this way are formed of a conductive metal plate or the like, similarly to the discharge electrode plate 24 and the discharge counter electrode plate 28,
In addition, it is connected to the cathode or anode of a power source (not shown), so that the dust charged in the discharge section 20 is collected on the dust collection electrode plate 32 by repulsion due to the electric charge of the dust collection counter electrode plate 34.

In addition, as the dust collecting section 30, as shown in FIG. 5(b), I! Short J with separated poles! It is also possible to use a charged filter 36 formed by laminating a large number of irregular layers in a serpentine shape.

The circulation fan 50 disposed below the dust collecting section 30 is constituted by a cross-flow type fan such as a sirocco fan rotated by a motor (not shown).

On the other hand, the heat exchanger 40 has a plurality of rows of fluid passages for a medium such as a refrigerant or a heat medium inside, and a heat exchange tube 42 bent in a meandering manner, and a space between adjacent portions of the heat exchange tube 42. It is composed of a plurality of heat exchange fins 44 interposed within the gap. Note that this heat exchanger 40 does not necessarily have to have the structure as described above, and as shown in FIGS. 7(a) and (
As shown in b), the heat exchanger tube 48 is composed of a plurality of heat exchange fins 46 arranged parallel to each other and a heat exchange tube 48 that passes through these heat exchange fins 46 and is bent in a meandering manner. It may also be a fin-type heat exchanger.

In the air conditioner configured as described above, a grill 72 is attached to the suction port 12, and a pre-filter 74 is removably attached to the inside of the suction port 12. Further, in the air flow path 16, a deodorizing filter 60 may be removably disposed between the dust collecting section 30 and the heat exchanger 40 so as to cross the air flow path 16 at right angles. (See Figure 8). The deodorizing filter 60 is made of, for example, a divalent iron ion adsorbent, and more specifically, a porous plate made of divalent iron ions and a small amount of L-ascorbic acid is used. be done. This deodorizing filter 60 does not necessarily have to be a divalent iron deodorizing filter made of a porous plate, but is made of granular material 64 such as activated carbon held in a pair of 62 mesh bodies as shown in FIG. It may be configured as follows.

Drain discharge part 76 arranged at the lower part of the heat exchanger 40
is formed in the shape of a gutter and is formed integrally with the air conditioner main body 10. And this drain discharge part 76
A drain discharge hole 76affi is provided in the drain discharge hole 76a, and the drain is discharged outdoors through a hose (not shown) connected to the drain discharge hole 76a.

Note that the reference numeral 78 is a blade attached to the discharge port 14 and capable of adjusting the wind direction.

The outdoor unit 1 has the same structure as a normal unit, and includes a heat exchanger 3 connected to the heat exchanger 40 via an expansion valve 2, and a compressor 4 connected to the heat exchanger 3. and a motor 5 that drives the compressor 4. In this case, although Fig. 1 shows a cooling operation state in which the heat exchanger 40 serves as an evaporator and the heat exchanger 3 serves as a condenser, by operating the switching valve, the heat medium is transferred as shown by the broken line in the figure. Heat exchanger 40 acting as a condenser from compressor 4
Then, after being sent to the heat exchanger 3 which functions as an evaporator via the expansion valve 2, the piping can be switched so that the air is circulated again to the compressor 4 for heating operation.

Furthermore, the discharge section 20 and the dust collection section 30 in the air conditioner
Regarding the positional relationship between the circulation fan 50 and the heat exchanger 40, considering the characteristics of the circulation fan 50, it is possible to simply arrange them one above the other as in each of the above embodiments shown in FIGS. 1 and 8. Alternatively, the circulation fan 50 may be located laterally and rearward of the discharge section 20 and the dust collection section 30 in the drawing.

In the air conditioner of this embodiment configured as described above, the circulation fan 50 is driven, and the discharge section 20
When a voltage is applied to , contaminated air A in the atmosphere is supplied into the air flow path 16 in the air conditioner main body 10 through the suction port 12, and is generated between the electrode plate 24 and the discharge counter electrode plate 28. The dust in the air A is charged by the corona discharge, and when this air A passes through the downstream dust collecting section 30, the dust is collected on the opposite pole of the collecting polar plate 32 or the charged filter 36 and is cleaned. Only the purified air passes through the circulation fan 50 and is supplied to the heat exchanger 340, and after being adjusted to a predetermined temperature by the heat exchanger 40, the purified and temperature-adjusted air B is supplied indoors. It is.

FIG. 11 shows an air conditioner according to a fourth embodiment, in which, unlike the case of the above embodiment, an I!
A second suction port 12a is provided with a rotary blade 12b for adjusting 1ffi.When sufficient air purification is desired, the rotary blade 12b of the second suction port 12a is closed or the second suction port 12a is closed. When you want to reduce the amount of air sucked in from the second suction port 12a and maximize the ability to adjust temperature and humidity, open the rotary blade 12b of the second suction port 12a to the maximum. In addition, when air purification and temperature/humidity adjustment are performed at the same time, the rotary blade 12b can be adjusted to adjust the air intake and output from the first and second suction ports 12.12a to 50% each. ing. Therefore, according to this fourth embodiment, air purification and/or temperature/humidity adjustment can be arbitrarily selected.

[Effects of the Invention] As explained above, according to the air conditioner of the present invention, the air conditioner is provided in the air flow path provided in the air conditioner body in order from the upper suction port side to the lower discharge port side. A discharge section that charges dust in the contaminated air by corona discharge, a dust collection section that collects the dust charged in the discharge section, and a chamber that collects the air purified by the discharge section and the dust collection section. Since it is composed of a circulation fan that supplies the air inside, a heat exchanger that adjusts the purified air to a predetermined temperature, and a drain discharge section provided below the heat exchanger, the following effects can be obtained.

1) Air purification and temperature/humidity adjustment can be performed simultaneously and easily in the same unit.

2) It is easy to install and attach, and space can be used effectively.

3) Since the temperature is adjusted after the air is purified in advance, the heat exchanger does not get dirty, making it possible to prevent a decrease in efficiency due to dirt and to extend its life.

4) Since pre-purified air is supplied to the heat exchanger located at the bottom, there is no risk that the air purifier section will be harmed by condensed water, and can be used safely.

5) Since the drain discharge part is disposed at the lower part of the heat exchanger, air pressure loss can be reduced, the burden on the circulation fan can be reduced, and noise can be reduced.

[Brief explanation of the drawing]

Fig. 1 is a schematic sectional view of a first embodiment of the air conditioner of the present invention, Fig. 2 is a perspective view of the main parts of the first embodiment, and Fig. 3 is a discharge section and a dust collection section in the first embodiment. 4th sectional side view showing
The figure is a perspective view of the discharge return electrode plate in the first embodiment, and FIG.
a>, l) are side sectional views showing the discharging part and the dust collecting part in the third embodiment of the present invention, and FIGS. 6(a) and (b) show another form of the discharge return electrode in the present invention. Floor plan, 7th
Figures (a> and (b) are a front view and a side view of another embodiment of the heat exchanger according to the present invention, FIG. 8 is a schematic sectional view of the main part of the third embodiment of the present invention, and FIG. The figure is a sectional view showing another form of the deodorizing filter in the third embodiment;
The figure shows a discharge section 20 and a dust collection section 30 in an air conditioner,
FIG. 11 is a schematic sectional view similar to FIG. 1 showing a modified example of the positional relationship between the circulation fan 50 and the heat exchanger 40, and FIG. 11 is a schematic sectional view similar to FIG. 1 showing an air conditioner according to the fourth embodiment. It is. Description of symbols (10) Air conditioner body (12) Suction port (12a) Second suction port (12b) Rotating blade (14) Discharge port (16) ... Air flow path (20) ... Discharge part (22) ... Discharge needle part (24) ... Discharge electrode plate (
26a)...Circular hole (26b)...Octagonal hole (26c)...Octagonal hole (28)...Discharge return electrode (30)...Dust collection section (32)...Collection a Pole plate (
34)...Dust collection return electrode plate (40)...Heat exchanger (4
2), (48)...Heat exchange tube (44),
(46) Heat exchange fins (50) Circulation fan (76) Drain discharge section patent Applicant Nippon Light Metal Co., Ltd. Agent
Patent attorney Tomohiro Nakamura (2 others) 10: Empty % Vice-Wani body figure 1, 2o, Yu. Figure 8 Figure 9 b4 bZ Figure 10

Claims (11)

[Claims] (1) In the air flow path that communicates with the suction and discharge ports provided at the top and bottom of the air conditioner body, a discharge section, a dust collection section, a circulation fan, and a A heat exchanger is disposed, and the discharge section includes a discharge electrode plate having a plurality of pointed discharge needles protruding therefrom, and a hole located approximately at the center of the tip of the discharge needle of the discharge electrode plate. The heat exchanger is composed of a perforated discharge return electrode plate, the dust collection section is composed of mutually parallel dust collection electrode plates and dust collection return electrode plates arranged alternately, and the heat exchanger is configured to include:
An air conditioner comprising a fin-type heat exchanger having fins parallel to the air flow path, and comprising a drain discharge section provided at a lower part of the heat exchanger. (2) The air conditioner according to claim 1, wherein the suction port has a fixed suction port that communicates with the discharge section and the dust collection section, and a suction port that can be opened and closed for adjusting air volume. (3) The air conditioner according to claim 2, wherein the air volume adjusting means of the openable and closable suction port is a shutter or a rotating blade. (4) The air conditioner according to any one of claims 1 to 3, wherein the discharge electrode plate and the dust collection counter electrode plate are integrally formed. (5) The discharge return electrode plate is composed of a base portion having a plurality of holes, and a bent piece bent from the end of the base portion, and
An air conditioner according to any one of claims 1 to 3, wherein the bent piece is provided with an engagement groove, and the dust collection electrode plate is detachably held in the engagement groove. . (6) The air conditioner according to any one of claims 1 to 3, wherein the hole formed in the discharge return electrode plate is a circular hole. (7) The air conditioner according to any one of claims 1 to 3, wherein the hole formed in the discharge return electrode plate is a hexagonal or octagonal regular polygonal hole. (8) The air conditioner according to any one of claims 1 to 3, wherein the heat exchanger is arranged at an angle with respect to the air flow path. (9) Claims in which the heat exchanger is comprised of a plurality of heat exchange fins arranged parallel to each other and a heat exchange tube that passes through these heat exchange fins and is bent in a meandering manner. The air conditioner according to any one of paragraphs 1 to 3. (10) The heat exchanger includes a heat exchange tube bent in a meandering manner;
The air conditioner according to any one of claims 1 to 3, comprising a heat exchange fin interposed in a gap between adjacent portions of the heat exchange tube. (11) The air conditioner according to any one of claims 1 to 3, wherein the drain discharge part is formed integrally with the air conditioner main body.