JP2000000420A - Air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air cleaner that the contaminated air is caused to excellently flow into an air intake of its sensor and dust and odorous component is efficiently detected even if a side face of a housing is extended along the wall. SOLUTION: An air blowing part 2 and a dust collecting block 3 for cleaning the air sucked into a housing from the air blowing part 2 are arranged in the housing 1. A display part 6 for displaying the operating state is provided at the prescribed part of the outer face of the housing 1. A sensor 8 is furnished to detect the properties of the air introduced from outside the main body. An air intake 9 of the sensor 8 is set at a place other than the face having the main-body suction port 4. Relating to this air cleaner, the air intake 9 of the sensor 8 is provided on either the left or right side when the main body is set with its suction port 4 as the front. The face of the air intake 9 is inclined to the side face to secure a clearance between it and the wall 10 so that the intake is not closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifier for collecting and deodorizing dust and odor generated in homes.

[0002]

2. Description of the Related Art Conventionally, the purpose of an air purifier is to collect dust in a room and to deodorize a room odor. A sensor is used as a means to detect dust and odor in the room, and the type can be classified into a dust sensor that can detect dust, a gas sensor that can detect gas components, etc., but depending on the place where the sensor is installed in the main body, it is detected A difference occurs in the speed and the like.

In order to improve the detection sensitivity, dirty air is taken into the dust sensor portion by using the suction force of a fan, and the air after passing through is passed through a filter to be cleaned and cleaned.
After deodorizing, let it pass through the fan and the discharge port to be sent out.

When a sensor is arranged in a conventional air purifier, the air intake of the sensor is provided on the same surface as the suction surface of the main body. Becomes mainstream, and the influence of the sensor becomes a vortex near the air intake,
There was a problem that the air was not sucked in well and it was difficult to detect.

FIG. 4 shows a conventional air purifier in consideration of the above points. Inside a housing (housing) 1, a blower unit 2 composed of a fan and the like and a dust collecting block 3 composed of a filter and the like are provided, and a main body suction port 4 is provided on a front surface of the housing 1. Is provided with a main body discharge port 5 on the upper surface thereof. A display unit 6 and operation buttons 7 are provided on the upper part of the front surface of the housing 1. When the blower unit 2 is driven, air is sucked from the main body suction port 4, and is cleaned by passing through the dust collection block 3, and the purified air is discharged from the main body discharge port 5. I have. An air intake 9 for the sensor 8 is provided on a side surface of the housing 1, and the sensor 8 is arranged inside a corresponding portion of the air intake 9. When the blowing unit 2 is driven, air is taken in from the air inlet 9 on the side surface, passes through the sensor 8, passes through the sensor 8, and then passes through the dust collecting block 3, thereby being cleaned. The discharged air is discharged from the main body 5
Is discharged from the nozzle.

[0006]

In the conventional example shown in FIG. 4, air is taken into the sensor 8 from the air intake 9 on the side of the housing 1 away from the front surface of the housing 1 having the main body suction port 4. Since the air is taken in by the suction force of the air blown by the blower 2, the air can be effectively taken into the sensor 8 and the sensitivity of detecting the state of the air can be improved, but the air intake 9 is provided on the side surface orthogonal to the front surface of the housing 1. Since the air purifier is provided, depending on the installation location of the air purifier, there is a possibility that the side surface is disposed so as to be close to the wall 10 without any gap as shown in FIG. Odor components and dust may not be detected.

The present invention has been made in view of the above points, and it is possible to efficiently detect dust and odor even when dirty air flows into the air intake of the sensor and the side surface of the housing is along the wall. It is an object to provide an air purifier.

[0008]

In order to solve the above-mentioned problems, an air purifier according to the present invention comprises a blower 2 inside a housing 1 and a collector for purifying air sucked into the housing 1 from the blower 2. A dust block 3 is disposed, and a display unit 6 for displaying an operation state at a predetermined position on an outer surface of the housing 1 is provided.
A sensor 8 for taking in air from the outside of the main body and detecting the property of the air is provided. In an air purifier in which the air intake 9 of the sensor 8 is installed on a surface other than the surface having the main body suction port 4, the main body suction port 4 is provided. When the main body is installed as a front surface, an air intake 9 of the sensor 8 is provided on at least one of the left and right sides, and the surface is inclined with respect to the side surface so that the air intake 9 is not blocked.
It is characterized in that a gap S is secured between 0 and 0. Air can be taken in from an air intake 9 on a side of the main body suction port 4 distant from the front face, and the state of air can be detected by a sensor 8.
The air is efficiently taken in, and the detection sensitivity of the air contamination can be improved. In addition, even if the side surface of the housing 1 is along the wall 10, the air intake 9 is not blocked, and air can be smoothly taken in from the air intake 9 to detect contamination of the surrounding air.

[0009]

Embodiments of the present invention will be described below.

As shown in FIG. 1, a housing (housing) 1 is provided with a blower section 2 composed of a fan and the like and a dust collecting block 3 composed of a filter and the like. A mouth 4 is provided and the housing 1
Is provided with a main body discharge port 5 on the upper surface thereof. A display unit 6 and operation buttons 7 are provided on the upper part of the front surface of the housing 1. When the blower unit 2 is driven, air is sucked from the main body suction port 4, and is cleaned by passing through the dust collection block 3, and the purified air is discharged from the main body discharge port 5. I have. An air intake 9 for the sensor 8 is provided on a side surface of the housing 1, and the sensor 8 is arranged inside a corresponding portion of the air intake 9. When the blowing unit 2 is driven, air is taken in from the air inlet 9 on the side surface, passes through the sensor 8, passes through the sensor 8, and then passes through the dust collecting block 3, thereby being cleaned. The discharged air is discharged from the main body 5
Is discharged from the nozzle. And housing 1
When the air inlet 9 is provided on the side surface of the housing 1, an inclined surface 11 that is inclined with respect to a side surface that is orthogonal to the front surface of the housing 1 is provided, and the air inlet 9 is provided on the inclined surface 11. The inclined surface 11 is inclined so as to go inward as going from the front side to the rear side, and the sensor 8 is arranged along the inclined surface 11 in the housing 1.

In the operation mode of the air purifier thus configured, the operation state can be switched by one operation button 7, and every time the operation button 7 is pressed, the operation state is automatically ⇒ silent ⇒ standard ⇒.
It changes rapidly, then stops, and then automatically. In the automatic operation, the state of the air is detected by the sensor 8, and for example, when the air is very dirty, cleaning is performed by a rapid operation with a large air volume, and conversely, when the air is slightly dirty, the cleaning is performed by a silent operation with a small air volume. In addition, it can be fixed to each operation state, and continuous operation can be performed. The operating state is a display in which the display of air contamination shown on the display unit 6 can also be recognized.

As shown in FIG. 2, the sensor 8 is formed by mounting a light emitting unit 13 and a light receiving unit 14 in a sensor box 12. The air taken in from the air inlet 9 on the side surface of the housing 1 enters the sensor box 12 from the entrance 15 of the sensor box 12, and the detection area 1 of the light emitting unit 13 and the light receiving unit 14.
Light impinges on the particles 17 that have entered the interior 6 and causes irregular reflection, whereby the degree of contamination can be detected. Light receiving unit 1
The larger the amount of received light in 4, the larger the dirt, and the smaller the amount of received light, the smaller the dirt. The degree of dirt is displayed in modes other than the "cut" mode, and in the "auto" mode, it is displayed according to air dirt. As a display method, a method of representing with a number, a method of representing with a level, and the like can be selected. The function of the sensor 8 in the "automatic" mode is to adjust the air volume together with the dirt display.

In addition, due to the structure of such a sensor 8, the detection sensitivity is improved by actively sucking in dirt. In the present invention, however, the sensor 8 uses the suction force blown by the blowing unit 2 composed of a fan or the like. , The detection sensitivity becomes good. After the particles taken into the sensor 8 are detected, they are discharged from the exit of the sensor box 12.
After being discharged from the outlet, the air passes through a dust collecting block 3 made of a filter or the like, and is removed and deodorized. Will come out.

When an air purifier is installed, in the case of an air purifier having a conventional structure, the air intake 9 of the sensor 8 may be blocked depending on the installation location of the air purifier. In the present invention, the inclined surface 11 is provided on the side surface, and the air intake port 9 is provided on the inclined surface 11, so that the air purifier can be closed at any position as shown in FIG. Thus, a gap S is formed, and air can be smoothly taken into the sensor 8 from the air intake 9.

In addition to maintaining the distance from the wall 10 by providing the inclined surface 11 as described above, the distance from the wall 10 can be maintained by providing a protruding shape near the air intake 9.

[0016]

As described above, according to the present invention, the air blower and the dust collecting block for purifying the air sucked into the housing from the air blower are disposed inside the housing, and the operating state is provided at a predetermined position on the outer surface of the housing. An air purifier provided with a display unit for displaying air, and a sensor for taking in air from the outside of the main body and detecting the properties of the air, wherein the air intake port of the sensor is installed on a surface other than the surface having the main body suction port, When the main unit is installed with the suction port on the front, the sensor air intake is provided on at least one side on the left and right, so air is taken in from the air intake on the side distant from the front with the main unit intake, and the air It can detect the condition, and the sensor can efficiently take in air to improve the detection sensitivity of air contamination. The side of the housing is aligned with the wall because the surface is inclined with respect to the side so that the air intake port is not blocked, and a gap is secured between the housing and the wall. However, the air intake is not blocked, and air can be smoothly taken in from the air intake to detect contamination of the surrounding air.

[Brief description of the drawings]

1A and 1B show an example of an air purifier according to an embodiment of the present invention, wherein FIG. 1A is a front view, FIG. 1B is a schematic sectional view as viewed from a side, and FIG. 1C is a perspective view.

FIGS. 2A and 2B show the sensor, and FIG.
(B) is an operation explanatory view of the sensor.

FIG. 3 is a schematic cross-sectional view of the above air cleaner installed on a wall, viewed from a plane.

4A and 4B show a conventional air purifier, wherein FIG.
(B) is a schematic sectional view seen from the side, and (c) is a perspective view.

FIG. 5 is a schematic cross-sectional view of a conventional air cleaner installed on a wall, viewed from a plane.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 2 Blower part 3 Dust collection block 4 Main body suction port 6 Display part 8 Sensor 9 Air intake port

Claims (1)

[Claims] 1. A housing, comprising: a blower, a dust collecting block for purifying air sucked into the housing from the blower, and a display unit for displaying an operation state at a predetermined position on an outer surface of the housing. A sensor that takes in air from outside the main body and detects the nature of the air is installed, and the main unit is installed with the main body suction port in the front in an air purifier where the air intake of the sensor is installed other than the side with the main body suction port The air intake of the sensor is provided on at least one side on the left and right when it is done, so that its surface is inclined with respect to the side surface so that the air intake is not blocked, so that there is a gap between it and the wall An air purifier characterized by the following.