KR20040085861A - An air cleaner of vehicles - Google Patents

Abstract

PURPOSE: An air cleaner for a vehicle is provided to exactly determine pollution with the small amount of air by mounting a sensor for detecting pollution of an interior room of the vehicle at both an inlet side into which the air flows initially and the spot with the most intake amount of air to the characteristic of a pre-set fan. CONSTITUTION: An air cleaner for a vehicle is composed of a body(100) having an air passage with an inlet port(111) and an exhaust port(112) to discharge flowing-in air; a filtering unit(200) installed at the air passage of the body to filter foreign materials in the air; a fan unit(300) disposed to the air passage to send forcibly the air from the inlet port to the exhaust port; a driving motor mounted at the body to supply driving force for rotating the fan unit; and a pollution sensor(600) arranged at the position within a region of the inlet port that has the maximum inflow amount of the air to detect the pollution degree of the air.

Description

An air cleaner of vehicles

The present invention relates to a vehicle air purifier, and more particularly, the sensing means for detecting the degree of contamination of the vehicle interior is installed on the inlet side of the air inlet for the first time, the suction amount is generated the most according to the characteristics of the installed fan. By installing at the point, it is possible to determine the degree of contamination more accurately with a small amount of air, and by installing the sensing means on the inlet side exposed to the outside, it is easy to replace or repair the sensing means without disassembling the product. It relates to a vehicle air purifier.

In general, the interior of a car is relatively narrow and airtight, so when several people ride, the air in the room becomes turbid, and the increase of carbon monoxide causes drowsy driving. When the car is running due to problems such as cigarette smoke and its smell inside the car often had to open the windows to ventilate the room air.

Thus, in order to solve the inconvenience of having to repeat the operation of opening and closing the window frequently as described above, a device for making the air clean has been developed.

Japanese Patent Laid-Open No. 5-229338 is an air purifier according to the prior art, which will be described with reference to FIG. 1.

As shown, reference numeral 10 denotes a main body case of the air cleaner 1, which is provided in the rear tray 11 by using the suction duct 5 and the blowing duct 6.

The suction duct 5 is connected to a suction port 7 having a grill or the like communicating with the vehicle interior, and the blowing duct 6 is connected to a blowout port 8 having a grill or the like communicating with the interior of the vehicle. .

The blower 2 which sucks air from the inlet port 7 and blows out the air from the outlet port 8 is installed inside the main body case 10 corresponding to the lower side of the suction duct 5. The filter 3 which purifies the smoke component, the odor component, etc. of the cigarette in the air is provided in the main body case 10 corresponding to the lower part of 6).

A smoke sensor 4 for detecting a smoke component in the air is provided inside the main body case 10 located upstream of the filter 3.

An auxiliary suction port 9 is provided on the side surface of the suction duct 5, and an auxiliary suction duct 12 is connected to the auxiliary suction port 9.

Referring to the operation of the prior art configured as described above are as follows.

Since the blower 2 of the prior art operates normally at a low speed, the air inside the vehicle is introduced into the air cleaner 1 through the auxiliary suction opening 9 in a short time.

On the other hand, the polluted air containing the smoke, such as by smoking in the air sucked into the interior of the air cleaner 1 by the smoke sensor 4 installed inside the main body case 10 constituting the air cleaner 1 If it is detected, the controller (not shown) controls the blower 2 to operate at high speed so that the air is more quickly filtered through the filter 3 and then ejected through the blowing duct 6.

By the way, according to the prior art configured as described above has the following problems.

First, according to the prior art, since the blower 2 is normally operated at a low speed and the smoke sensor 4 is installed on the inner bottom surface of the body case 10 constituting the air cleaner 1, There was a problem that it is difficult to sense the degree of contamination accurately and quickly because the amount of air sucked into the case 10 is small.

Second, in order to more accurately sense the pollution level by the smoke sensor 4 by increasing the amount of air sucked into the main body case 10, there is a method of operating the blower 2 at high speed, but on the contrary There has been a shortage of increased power consumption.

Third, because the smoke sensor 4 according to the prior art is fixed to the inner bottom surface of the body case 10 through a separate fixing means (not shown), the smoke sensor 4 fails during operation. To replace or repair it, it is possible to remove the fixing means after completely disassembling the air cleaner (1) .After replacing and repairing the smoke sensor (4), combine it using the fixing means again, and then completely disassemble the air. There was a cumbersome problem of combining a purifier.

An object of the present invention was devised to solve the above problems, the sensing means for detecting the degree of contamination of the vehicle interior is installed on the inlet side of the air inlet for the first time and the amount of suction according to the characteristics of the fan installed It is to provide an air purifier for a vehicle so that it is possible to determine the degree of pollution more accurately even with a small amount of air by installing at a large number of points.

Another object of the present invention is to provide a vehicle air purifier that allows the user to easily replace or repair the sensing means without disassembling the product by installing the sensing means on the inlet side exposed to the outside.

1 is a view schematically showing the configuration of a vehicle air cleaner according to the prior art.

Figure 2 is an exploded perspective view showing an exploded air cleaner according to the present invention.

Figure 3 is a perspective view showing a combined state of the air cleaner according to the present invention.

Figure 4 is a view showing the installation position of the contamination detection sensor of the air cleaner according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: main body

111: inlet

112: outlet

113: air passage

200: filtering means

300; Fan

500: drive motor

600: pollution detection sensor

The present invention for achieving the above object, the main body is provided with an air passage having an inlet and a discharge port so that the inlet air is discharged; Filtering means installed on an air passage of the main body to filter foreign substances in the air; Fan means installed on the air passage to forcibly transfer air from the inlet side to the outlet side; A drive motor installed in the main body and providing a driving force to rotate the fan means; It is characterized in that it comprises a pollution detection sensor is installed in the region of the inlet air flow rate of the maximum inlet area to detect the pollution degree of the air.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of a vehicle air purifier according to the present invention will be described in detail.

Figure 2 is an exploded perspective view showing an exploded air cleaner according to the present invention, Figure 3 is a perspective view showing a combined state of the air purifier according to the present invention, Figure 4 is a pollution during construction of the air purifier according to the present invention Figure showing the installation position of the sensor.

The vehicle air cleaner according to the present invention comprises a main body 100, a filtration means 200, a fan means 300, a drive motor 500, and a pollution detection sensor 600.

As illustrated in FIGS. 2 and 4, the main body 100 includes an air passage 113 having an inlet 111 and an outlet 112 so that the inlet air is discharged.

The inlet 111 is provided with a pollution detection sensor 600 for detecting the pollution of the air.

It is provided on the air passage 113 of the main body 100 is provided with a filtering means 200 for filtering foreign matter in the air.

In addition, the fan means 300 for forcibly transporting air from the inlet port 111 side to the outlet port 112 side is provided on the air passage (113).

Here, in the embodiment of the present invention, as shown in Figure 2, the filtering means 200 is located on the upper portion of the fan means (300).

Meanwhile, as shown in FIG. 5, a driving motor 500 is provided on the main body 100 to provide a driving force to rotate the fan means 300.

The description so far has described the most basic configuration of the air cleaner according to the present invention.

Hereinafter, the most important means of the present invention will be described.

The first object of the present invention is to be able to determine the degree of contamination more accurately even with a small amount of air, in order to enable this, the sensing means for detecting the degree of contamination of the vehicle interior to the inlet side of the first air inlet In addition, depending on the characteristics of the fan installed in advance, it was installed at the point where the suction amount is most generated.

That is, as illustrated in FIGS. 2 and 3, the pollution detection sensor 600, which is a sensing means, is most preferably installed at the inlet 111.

The reason is that, as mentioned in the problems of the prior art, when installed inside the air cleaner, the degree of contamination cannot be sensed more accurately.

On the other hand, the pollution detection sensor 600 of the present invention is installed in the region of the maximum amount of air inlet air in the region of the inlet 111.

Here, the criterion for setting the maximum region of the inflow air flow rate varies depending on the type of the fan means as mentioned above.

In the embodiment of the present invention, a centrifugal fan (or sirocco fan) was used as the fan means.

Hereinafter, the maximum region of the inflow air flow rate determined by the centrifugal fan applied in the present invention will be described.

The maximum area of the inflow air flow is referred to as a starting point (a) when the fan means (300) is a centrifugal fan, and is out of a predetermined angle in a direction in which the scroll is developed at the starting point (a). When the contamination detection sensor 600 is called the mounting initial point (b) is installed, the starting point (c) is a mounting end point (c) outside the predetermined angle in the direction in which the scroll is deployed from the mounting initial point (b), The angle α formed between a) and the mounting initial point b is 45 degrees, and the angle β between the start point a and the mounting end point c is most preferably set to 135 degrees.

The technical idea of the installation position of the pollution detection sensor 600 described so far is of course applicable to a conventional air cleaner.

Hereinafter, the main body 100 which is the configuration of the above-described air cleaner will be described.

The main body 100 includes an upper body 110 and a lower body 120.

The upper body 110 is formed in the inlet 111 and the outlet 112 is partitioned through the partition wall 114.

The lower body 120 is installed in the fan means 300 corresponding to the inlet 111, it is detachably coupled to the upper body (110).

A rib 121 having a predetermined height protrudes from an upper surface of the lower body 120, and a printed circuit board 610 having the contamination detection sensor 600 is fastened to an upper surface of the rib 121. It is installed detachably via).

In this case, the partition wall 114 has a cutout portion 114a having a portion cut vertically, and the rib 121 is inserted into the cutout portion 114a.

The printed circuit board 610 is horizontally installed.

Here, reference numeral 115 denotes a protective plate that protects the pollution detection sensor from the outside or prevents direct contact of foreign substances, and 116 denotes a sponge.

According to the above structure, in order to repair or replace the pollution detection sensor 600, the printed circuit after releasing the fastening bolt 620 without the need to separate the upper body 110 separately from the lower body 120 When the substrate 610 is separated, the contamination detection sensor 600 can be easily removed.

As described above, according to the air purifier for a vehicle according to the present invention, the sensing means for detecting the pollution level of the vehicle interior is installed at the inlet side through which air is first introduced, and the suction amount is generated the most according to the characteristics of the installed fan. It is possible to determine the degree of contamination more precisely even with a small amount of air by installing it at the point where it is, and to easily replace or repair the sensing means without disassembling the product by installing the sensing means on the inlet side exposed to the outside. You can do it.

Claims (6)

A main body 100 having an air passage 113 having an inlet 111 and an outlet 112 so as to discharge the introduced air; Filtering means (200) installed on the air passage (113) of the main body (100) to filter foreign matter in the air; A fan means (300) installed on the air passage (113) for forcibly transferring air from the inlet port (111) side to the outlet port (112) side; A drive motor 500 installed on the main body 100 to provide a driving force to rotate the fan means 300; Vehicle air purifier, characterized in that it comprises a pollution detection sensor 600 is installed in the region of the inlet air flow of the inlet 111 is the maximum amount of air pollution. The method of claim 1, The maximum area of the inflow air flow rate, When the fan means 300 is a centrifugal fan, the starting point of the scroll is referred to as a starting point (a), and the pollution detecting sensor 600 moves away from the starting point (a) by a predetermined angle in a direction in which the scroll is developed. When the mounting initial point (b) to be installed is referred to as a mounting end point (c), a point deviating from the mounting initial point (b) by a predetermined angle in the direction in which the scroll is developed, The angle α formed by the starting point a and the mounting initial point b is 45 degrees, and the angle β formed by the starting point a and the mounting end point c is 135 degrees. air cleaner. The method of claim 1, The main body 100 is An upper body 110 in which the inlet 111 and the outlet 112 are partitioned through the partition wall 114; The fan means 300 is installed in correspondence with the inlet 111, the vehicle air purifier, characterized in that it comprises a lower body 120 that is detachably coupled to the upper body (110). The method of claim 3, wherein The lower body 120 has a rib 121 of a predetermined height protruding from the upper surface, The upper surface of the rib 121 is a vehicle air purifier, characterized in that the printed circuit board 610 is provided detachably. The method of claim 4, wherein The partition wall 114 is formed with an incision 114a having a portion cut vertically, Vehicle ribs, characterized in that the rib 121 is introduced into the cutout (114a). The method of claim 4, wherein The printed circuit board 610 is a vehicle air cleaner, characterized in that installed horizontally.