JPH07324790A - Air cleaning apparatus - Google Patents

Abstract

PURPOSE:To keep the air state in a room comfortable without increasing a cost and an installing space. CONSTITUTION:The air cleaning apparatus comprises large quantity exhausting means 20 for exhausting a large quantity of the air in a room via an exhaust passage A, heat exchange type ventilating means 37 for sucking and exhausting while heat exchanging the exhaust air from the room via an exhaust passage C and a suction passage D with the atmosphere to the room, and electric dust collecting means 19 for purifying the air in the room via a circulating passage B.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifying device for purifying air contaminated with, for example, cigarette smoke to keep indoors comfortable.

[0002]

2. Description of the Related Art Conventionally, as a means for maintaining a comfortable indoor air condition, a large amount exhaust means such as a ventilation fan, a heat exchange type ventilation means such as an air conditioning ventilation fan, and an electric dust collector such as an electric dust collector. There is.

The ventilation fan exhausts a large amount of indoor air to quickly purify the indoor air. Further, the electrostatic precipitator purifies the indoor air by removing fine particles such as smoke, dust, and dust in the air. Further, the air conditioning ventilation fan sucks and exhausts heat while exchanging heat between the exhaust air from the air conditioning room and the outside air introduced into the room.

[0004]

However, conventionally, if the ventilation fan, the air-conditioning ventilation fan, and the electrostatic precipitator are installed together to keep the room comfortable, the cost increases and the installation space increases. was there.

SUMMARY OF THE INVENTION An object of the present invention is to provide an air purifying device which can maintain a comfortable indoor air condition without increasing the cost and increasing the installation space.

[0006]

Therefore, the present invention provides
For example, as shown in the illustrated embodiment below, a mass-exhaust means 20 for exhausting a large amount of indoor air and a heat-exchange type ventilation for exchanging heat between the air exhausted from the room and the air intaken into the room. It is characterized by comprising a means 37 and an electric dust collecting means 19 for purifying indoor air.

According to a second aspect of the present invention, for example, as shown in the following illustrated embodiment, in the air cleaning apparatus of the first aspect, the large volume exhaust means 20 and the heat exchange type ventilation means are provided in accordance with the detection output. 37, and a detection sensor 53 for selectively operating the electric dust collecting means 19.

[0008]

In the present invention, when purifying the air in the room, the large volume exhaust means 20, the heat exchange type ventilation means 37 and the electric dust collecting means 19 are selectively operated.

According to the second aspect of the present invention, a large amount exhaust means 20, a heat exchange type ventilation means 37 and an electric dust collecting means 19 are provided in accordance with the detection output of a detection sensor 53 such as a smoke sensor.
And act selectively.

[0010]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows a schematic configuration of an air purifying apparatus which is an embodiment of the present invention.

Reference numeral 11 in the figure denotes a main body case of the main body of the apparatus. The body case 11 has a box-shaped outer shape, and has a first intake port 12 on the lower surface. Further, on the left front surface of the main body case 11 in the figure, the exhaust port 1 is provided on the upper side through the first shutter 13.
4 is provided, and a second intake port 16 is provided below the exhaust port 14 via a second shutter 15.

A first fan 30 is rotatably provided in an upper portion of the main body case 11. A pre-filter 21, an ionization section 22, a dust collection section 23, and a deodorization filter 24 are provided in this order from the first intake port 12 in the upper direction in the figure in the lower part of the main body case 11. Then, as shown in FIG. 2, the ionization section 22 uses an ionization line 26 made of tungsten.
And a plurality of counter electrodes 27 using an aluminum plate are provided at regular intervals. The dust collecting section 23 is provided with a plurality of charging side electrodes 28 and counter electrodes 29 made of an aluminum plate, with a fixed interval.

On the other hand, one end of a first ventilation pipe 34 is attached to the rear surface of the main body case 11 via a third shutter 33. The other end of the first ventilation pipe 34 extends outside through the wall hole 35 and is attached to the outer pipe 36a of the second ventilation pipe 36. The outer pipe 36a has one end open and the other end connected to the main body 38 of the heat exchange type ventilation means.

The main body 38 is provided with a second fan 39, which is appropriately supported in the wall hole 35. As shown in FIG. 3, the main body 38 has a box-shaped outer shape, an intake passage 40 and an exhaust passage 41 are provided side by side inside thereof, and a heat exchange member 42 is provided between the intake passage 40 and the exhaust passage 41.
The heat exchange member 42 is formed using a material such as paper. On the other hand, as shown in FIG. 1, the second fan 39 is attached to the main body 38 and provided on the outer end side of the exhaust passage 41.

An outer pipe 36a of the second ventilation pipe 36 is attached to the main body 38 to connect the inside of the intake passage 40 and the outer pipe 36a. Further, one end of the inner pipe 36b of the second ventilation pipe 36 is attached to the main body 38 via the fourth shutter 45. The inner pipe 36b is provided with a filter 46 on the way, and the other end is attached to the rear surface of the main body case 11. Then, the main body case 1 is inserted through the inner pipe 36b.
The inside of 1 and the inside of the said intake path 40 are connected.

Further, one end of an inner pipe 50b of a third ventilation pipe 50 is attached to the main body portion 38 via a fifth shutter 49, and the outside of the third ventilation pipe 50 is attached to the second fan 39 side. Attach one end of tube 50a. Then, the inside of the inner pipe 50b, the inside of the exhaust passage 41, and the inside of the outer pipe 50a are communicated with each other, and the other end of the inner pipe 50b is opened indoors.
The other end of a is opened to the outside of the room.

By the way, the main body case 11 is provided with a detection sensor 53 near the first intake port 12. The detection sensor 53 is electrically connected to the microcomputer 54, as shown in FIG. Then, as shown in the figure, the electrical configuration of this air cleaning device is such that the ionization section 22, the dust collection section 23, the first fan 30, the second fan 39, and the first to fifth shutters 13, 15, 33.・ 45 ・ 49
Are electrically connected to the microcomputer 54, respectively.

Then, as shown in FIG. 7, the second and third
Shutters 15 and 33, first fan 30, first ventilation pipe 3
4, a large amount exhaust means 20 for forming a large amount of indoor air by forming an exhaust passage A passing through the outer pipe 36a of the second ventilation pipe 36
To form. In addition, the pre-filter 21 and the ionization unit 2
2, dust collecting portion 23, deodorizing filter 24, first fan 30,
A circulation passage B passing through the first shutter 13 is formed, and an electric dust collector 19 for purifying indoor air is formed. Further, an exhaust passage C passing through the third ventilation pipe 50, the fifth shutter 49, the exhaust passage 41, and the second fan 39 is formed, and the second ventilation pipe 36, the intake passage 40, the fourth shutter 45, and the filter 4 are formed.
6, a first fan 30, and an intake passage D that passes through the first shutter 13 are formed, and a heat exchange type ventilation means 37 for absorbing and exhausting heat while exchanging heat between the air exhausted from the room and the air sucked into the room is provided. Form.

Then, when using the air cleaning apparatus, the switch button (not shown) is operated to turn on the power. Then, the detection sensor 53 operates.

Then, for example, when a state in which a lot of cigarette smoke is detected and a detection signal thereof is sent to the microcomputer 54, the microcomputer 54 selectively operates the first fan 30 based on the detection signal, and at the same time, the second fan 30 is operated. The shutter 15 and the third shutter 33 are rotated 90 degrees from the state of FIG.
The state is shown in. Then, as shown in FIG. 7, the first fan 30 is rotationally driven to suck air from the second intake port 16 and pass through the inside of the first ventilation pipe 34 and the outside pipe 36 a of the second ventilation pipe 36. Exhaust to the outside.

After that, when the detection sensor 53 detects the state where the smoke of the cigarette is reduced, the microcomputer 54 selectively operates the first fan 30 and the electrostatic precipitator 19 based on the detection signal, and at the same time, the first 1 Only the shutter 13 is opened. Then, the first fan 30 is rotationally driven to suck air from the first inlet 12, and a high voltage is applied to the ionization wire 26 to cause corona discharge, and the fine particles in the passing air are positively ionized. To be charged. At the same time, a high voltage is applied to the charging-side electrode 28 to repel the charged fine particles to attract them to the counter electrode 29 and collect them. Then, the air is cleaned and discharged from the exhaust port 14.

When the detection sensor 53 detects a state where the ventilation is further advanced and the amount of cigarette smoke is small, the first fan 30 and the second fan 39 are controlled by the microcomputer 54 based on the detection signal.
Selectively actuating the first shutter 13,
The fourth shutter 45 and the fifth shutter 49 are opened. Then, by driving the second fan 39, the indoor air is drawn into the third ventilation pipe 50, passes through the exhaust passage 41 and is exhausted to the outside, and the first fan 30 drives the fresh outdoor air. The air is taken into the second ventilation pipe 36 and the intake passage 4 is provided.
Through 0, lead to the room. At this time, the heat exchange member 42 exchanges heat between the air exhausted from the room and the air taken into the room.

In the illustrated embodiment described above, the detection sensor 53 is a smoke sensor. However, although not shown,
The detection sensor 53 may be another detection sensor that detects a substance other than smoke.

[0024]

As described above, according to the present invention, the mass exhaust means, the heat exchange type ventilation means and the electric dust collecting means are integrated, so that the parts can be shared and the cost can be reduced. At the same time, it can be downsized as compared with the case where it is installed independently, and the installation space can be reduced.

According to the second aspect of the present invention, the large volume exhaust means, the heat exchange type ventilation means, and the electrostatic precipitator are selectively operated according to the detection output of the detection sensor, so that a comfortable air condition is maintained. It can be easily made.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an air cleaning device that is an embodiment of the present invention.

FIG. 2 is an enlarged schematic configuration diagram of the electrostatic precipitator.

FIG. 3 is an enlarged perspective view of a part of the heat exchange type ventilation means provided in the air cleaning device.

FIG. 4 is a block diagram showing an electrical configuration of the air cleaning device.

FIG. 5 is an explanatory view of a state when a shutter provided in the air cleaning device is closed.

FIG. 6 is a state explanatory view when the shutter is opened.

FIG. 7 is an explanatory view showing the flow of air when using this air cleaning device.

[Explanation of symbols]

 19 Electric Dust Collection Means 20 Mass Exhaust Means 37 Heat Exchange Ventilation Means 53 Detection Switch

Claims (2)

[Claims] 1. A large volume exhaust means for exhausting a large amount of indoor air, a heat exchange type ventilation means for absorbing and exhausting heat while exchanging heat between the air exhausted from the room and the air intaken into the room, and the indoor air An air purifying device comprising: an electric dust collector that purifies the air. 2. The air cleaning apparatus according to claim 1, further comprising a detection sensor that selectively operates the large amount exhaust means, the heat exchange type ventilation means, and the electric dust collecting means according to a detection output. .