JPH0679649B2 - Air cleaner with deodorizing function - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an air cleaner with a deodorizing function, which has a deodorizing function of positively removing an offensive odor in addition to a function of collecting dust in the air. Is.

[Conventional technology]

This type of conventional air cleaner with a deodorizing function is configured to collect dust in the air sucked by a fan and to actively remove an offensive odor in the air to maintain the cleanliness of the air.

[Problems to be solved by the invention]

However, although the conventional air cleaner with a deodorizing function has a dust collecting function and a deodorizing function, there is a problem that it is not enough to effectively utilize any of the functions.

In view of the above circumstances, an object of the present invention is to provide an air cleaner with a deodorizing function, which can effectively utilize the dust collecting function and the deodorizing function.

[Means for solving problems]

In the present invention, a fan, a filtering means having a dust collecting function and a deodorizing function, a casing incorporating the filtering means and the fan, an operation mode mainly having a dust collecting function by changing the air volume of the fan and a deodorizing function are mainly used. Means for controlling switching to any one of the operating modes to be performed.

[Action]

When the fan is driven, the air sucked from the fan is purified by passing through the filtering means to collect dust in the air and deodorize offensive odors in the air.

At that time, when the operation mode mainly for the dust collecting function is switched by the switching control means, the air volume of the fan increases, so the dust collecting function of the filtering means functions more efficiently than the deodorizing function, and the dust collecting function is effective. Be utilized for.

Further, when the operation mode mainly having the deodorizing function is switched, the air volume of the fan decreases, so that the deodorizing action of the filtering means functions more efficiently than the dust collecting action, and the deodorizing function is effectively utilized.

According to the present invention, as described above, the switching control means switches between the operation mode mainly for the dust collecting function and the operation mode mainly for the deodorizing function so that the dust collecting function and the deodorizing function can be effectively utilized. Therefore, there is an effect that the air in the room can be further cleaned.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS.

The air cleaner with a deodorizing function of the embodiment is roughly classified into the first
As shown in FIG. 2 and FIG. 2, the casing 1 and the fan 2
The filter unit 3 and the switching control unit 10 are provided.

As shown in FIG. 1 (a) and FIG. 2, the casing 1 has a casing whose front surface is opened, and a first panel 11 having a suction port 12 in its front opening and a blowout port.
Two second panels 13, 13 having 14 are mounted.

The first panel 11 is arranged at the center of the front opening of the casing 1, and suction ports 12 and 12 are provided on both sides thereof. The two second panels 13 and 13 are arranged on both sides of the first panel 11 in the front opening of the casing 1, and the outlets 14 are provided at the outer ends thereof.

The fan 2 is fixed to a rotating shaft of a motor 4 provided inside the casing 1, and is arranged in a central portion of the casing 1. More specifically, fan 2
As shown in FIG. 1 to FIG. 3, is provided between fan runners 21, 21 attached to the central portion of the casing 1, and during driving, air is introduced from the suction ports 12, 12 to a pre-filter described later. Suck after 5 and 5, and fan runner 21
The metal laths 22 provided on both sides of the filter are discharged to the filtering means 3 side.

As shown in FIGS. 1 and 4, the pre-filter 5 is supported by a guide frame 52 provided inside the first panel 11 and is arranged between the suction port 12 and the fan 2 to suck the pre-filter 5. Coarse dust in the air sucked in through the mouth 12 is collected. This pre-filter 5 has a structure in which the second panel 13 is removed from the casing 1,
Remove the handle 51 by pulling it in the direction of arrow A and pulling it out of the guide frame 52, and by pulling it out from the opening provided in the partition plate 15 of the casing 1 and the cut opening of the rubber plate 16 provided in the partition plate 1 '. I have to.

The guide frame 52 detachably supports the pre-filter 5 and defines a passage for guiding the air sucked from the suction port 12 to the pre-filter 5, and also on the air-intake side of the pre-filter 5. Protective wall at the position facing the suction port 12
The protective wall 53 is provided so as to prevent coarse dust in the air sucked by the protective wall 53 from directly hitting the pre-filter 5. The partition plate 15 divides the storage chamber of the fan 2 and the storage chamber of the filtering means 3 in the casing 1. The rubber plate 16 keeps the guide frame 52 and the storage chamber of the filtering means 3 airtight.

As shown in FIG. 5, the filtering means 3 is a first square frame provided with an electret filter 31, a granular activated carbon 32 arranged on the exhaust surface side thereof, and a net 33 supporting the activated carbon 32. 34, a spherical deodorant 35 disposed on the exhaust surface side of the activated carbon 32, a second square frame 37 provided with a net 36 supporting the deodorant 35, and disposed on the exhaust surface side of the deodorant 35 Non-woven fabric 38
And a frame body 40 in which these are integrally assembled and provided with a net 39, the electret filter 31 collects dust by passing the air discharged from the fan 2, and the activated carbon 32 and the deodorant are included. 35 allows the air discharged from the electret filter 31 to pass therethrough to deodorize off-flavors in the air. At that time, the deodorant 35 and the activated carbon 32 have different offensive odors, for example, ammonia which is a pungent odor, odor of the system such as trimethylamine and methyl mercaptan which are the rotten odor of fish and vegetables, and the rotten odor of eggs. It is configured to mainly deodorize the odor of certain hydrogen sulfide systems.

Therefore, the filtering means 3 is configured to have a dust collecting function and a deodorizing function.

The filtering means 3 is detachably attached to the discharge position of the fan 2 in the casing 1.
That is, as shown in FIGS. 6 and 7, the filtering means 3 is provided at both sides of the casing 1 and has, for example, a fitting frame 52 into which the bottom of the filtering means 3 is fitted. By means of support means including 51, one end of which is fixed to the support plate 51 by rivets 53, and the other end of which is provided with the support plate 51, and a holding spring 54 which cooperates to hold the upper portion of the filtering means 3.
It is attached to both sides in the casing 1, and when taken out, the pressing spring 54 is pushed up and pulled out from the fitting frame 52 of the support plate 51 so that it can be taken out in front of the casing 1.

Therefore, the second panels 13 and 13 can be removed from the casing 1 when the filtering means 3 is taken out. Specifically, as shown in FIGS. 2 and 8, screws 19 are fixed to upper edge plates 17 provided on both sides of the casing 1 by nuts 18, while the second panel 13 A first hole 21a that fits the neck 19b of the screw 19 and a second hole that is connected to the lower portion of the first hole 21a and through which the head 19a of the screw 19 can be inserted through the folding plate 20 formed on the back surface. A hooking hole 21 having 21b is formed.

Then, the head 19b of the screw 19 of the casing 1 is attached to the second panel 1
When the second panel 13 is released by passing it through the second hole 21b of the hooking hole 21 of No. 3, the second panel 13 is guided by the inclined surface 19c of the screw head 19a by its own weight and goes down, so that the first hole of the hooking hole 21 is lowered. The screw neck portion 19b fits into the one hole 21a, and the folding plate 20 is sandwiched between the screw head portion 19a and the casing upper edge plate 17, so that the second
When the panel 13 is stably held by the casing 1 and is in this state, the second panel 13 is lifted and pulled out from the head 19a of the screw 19 so that the second panel 13 can be removed.

The switching control unit 10 is configured to perform switching control between an operation mode having a dust collecting function as a main component and an operation mode having a deodorizing function as a main component. The switching control unit 10
The circuit configuration of will be described with reference to FIG. In the figure, 10
1 is a switch for driving operation, 103 is a neon lamp for notifying the ON state of the switch 101, 4 is a motor for the fan 2 (capacitor electric motor), and 102 is a rotation of the motor 4 in two stages of high speed and low speed. This is a switch for changing the continuous mode.

The dust collection characteristic and the deodorizing characteristic with respect to the air volume of the fan in this embodiment have the following relationship.

That is, as shown in FIG. 11, when the air volume is large, the dust collection characteristic is large compared to when the air volume is small, and the dust concentration is decreased with the passage of time. It is efficient.

On the other hand, as shown in FIG. 12, in the deodorizing characteristics, when the air volume is large, the rate of the odor concentration decreasing with the passage of time is small compared to when the air volume is small, so the deodorizing efficiency is poor.

From the above, there are contradictory characteristics that when the air volume is large, the deodorizing efficiency is lowered, while the dust collecting efficiency is increased, and when the air volume is small, the dust collecting efficiency is lowered, but the deodorizing efficiency is increased.

When the switch 101 is turned on when the power is turned on, the switching control unit 10 turns on the neon lamp 103 to turn on the motor 4.
Is displayed, and the motor 4 is rotationally driven at a high speed or a low speed according to the switching positions NC and NO of the switch 102 for switching the operation mode. Therefore, switch 10
When the motor 4 is driven at high speed by the switching operation of 2,
When the air volume of the fan 2 is large and the operation mode is mainly based on the dust collecting function of the filtering means 3, and when the motor 4 is driven at a low speed, the air volume of the fan 2 is small and the deodorizing function of the filtering means 2 is mainly used. The operation mode is set to ON.

Further, in FIG. 9, one COM of the switch 102 is connected to the integrating portion of the timer TM, and when the motor 4 reaches the set time of the timer TM, the lamp 104 made of a light emitting diode.
The replacement time of the filtering means 3 is displayed by lighting, and the backup power source of the timer TM is connected to the power source 110, so that the timer TM holds the integrated value until that time when a power failure occurs.

The switches 101 and 102 and the lamps 103 and 104 are installed on the front surface of the first panel 11 as shown in FIG. 10 in consideration of operability and displayability. Further, the display of the operation state of the operation mode changeover switch 102, as shown in the figure, clearly shows which of the deodorizing action and the dust collecting action is performed in each mode.

The air cleaner with the deodorizing function of the embodiment turns on the fan 2 when the switch 101 of the switching control circuit unit 10 is turned on when the power is turned on.
The external air is sucked into the fan 2 through the suction port 12 of the first panel 11 of the casing 1, and the air discharged from the fan 2 is collected by the filtering means 3 and deodorized. Purified by the second
It is blown out from the blowout port 14 of the panel 13.

At that time, the switching control circuit unit 10 controls the content of the operation mode according to the switching operation of the switch 102 for switching the operation mode. That is, when the switch 102 is switched to the mode mainly for collecting dust, the air volume of the fan 2 increases due to the high rotation of the motor, so that the dust collecting function of the filtering means functions more efficiently than the deodorizing function, and the dust collecting function becomes effective. Be utilized. on the other hand,
When the switch 102 is switched to the mode mainly for deodorization, the air volume of the fan 2 decreases due to the low rotation of the motor, so that the deodorizing action of the filtering means 3 functions efficiently by the dust collecting action and the deodorizing function is effectively utilized. It

Therefore, since the switching control circuit unit 10 can change the air volume of the fan to switch between the operation mode mainly for the dust collecting function and the operation mode mainly for the deodorizing function, the dust collecting function and the deodorizing function can be effectively utilized. .

In the present invention, the configuration of the switching control circuit section 10 is not limited to the illustrated embodiment, and the point is that the switching control circuit section 10 has a desired function.

〔The invention's effect〕

As described above, according to the present invention, the fan, the filtering means having the dust collecting function and the deodorizing function, the casing containing the fan and the filtering means, and the dust collecting function mainly by changing the air volume of the fan. Since it is equipped with a switching control means for controlling switching between the operation mode and the operation mode mainly composed of the deodorizing function, and the dust collecting function and the deodorizing function can be effectively utilized, a cleaner air in the air can be obtained. There is an effect that it can be realized.

[Brief description of drawings]

1 (a) and 1 (b) are a plan view and a front view, respectively, showing a partial cross section of an air cleaner with a deodorizing function according to an embodiment of the present invention, and FIG. 2 shows the casing from the first and second panels. FIG. 3 is an enlarged cross-sectional view showing a main part of the fan, FIG. 4 is an enlarged cross-sectional view showing a pre-filter attached state, and FIG. 5 is an enlarged cross-sectional view showing a structure of a filtering means. FIG. 6 is an enlarged sectional view showing a mounting state of the filtering means, FIG. 7 is a sectional view taken along line VII-VII of FIG. 6, and FIG.
Sectional views showing the main part of the panel mounting structure, FIGS. 9 and 10
The drawings are respectively a circuit diagram and a front view showing the switching control means,
FIG. 11 is an explanatory diagram showing the dust collecting characteristic, and FIG. 12 is an explanatory diagram showing the deodorizing characteristic. 1 ... Casing, 2 ... Fan, 3 ... Filtration means, 10
...... Switching control section.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kenji Arai Kenji Arai 46-1, Tomioka, Nakajo-machi, Kitakanbara-gun, Niigata Prefecture Inside the Nakajo Plant, Hitachi, Ltd. (72) Hiroshi Kubota 4-13-17 Nakagawa, Adachi-ku, Tokyo Issue Hitachi Techno Engineering Co., Ltd.

Claims (1)

[Claims] 1. A fan, a filtering means having a dust collecting function and a deodorizing function, a casing containing the fan and the filtering means, and an operation mode mainly having a dust collecting function by changing the air volume of the fan and a deodorizing function. An air cleaner with a deodorizing function, characterized in that the air cleaner is provided with a means for switching control to any one of the operation modes.