JPH08720A - Air sterilization equipment - Google Patents

Abstract

PURPOSE:To provide an air sterilization equipment safe for a user and sufficiently capable of securing required functions. CONSTITUTION:A gas inlet 2 is installed at the lower part of a box 1, and an exhaust gas outlet 3 at the upper part. A sterilizing chamber 4 is set in a position between the inlet 2 and the outlet 3, and a sterilizing light 5 is set in the sterilizing chamber 4. A cross flow fan 6 for air suction is mounted near by the inlet 2 and is positioned at the bottom of the box 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air sterilizer for sterilizing and deodorizing the air in a room such as a hospital room, an examination room, a clinical examination room and a waiting room.

[0002]

2. Description of the Related Art Conventionally, nosocomial infections such as MRSA (methicillin-resistant Staphylococcus aureus) have been carried out in hospitals having various inpatients, where many people come and go, and in facilities such as elderly health facilities where the elderly have weak resistance. To prevent this, it is important to keep the indoor environment clean as well as encourage hand washing. In addition, the odor peculiar to the hospital room (sulfur, ammonia, etc.)
Is a factor that impairs comfort, and air purifiers are being installed indoors. As this air purifier, for example, various types as disclosed in Japanese Utility Model Laid-Open No. 185340/1982 or Japanese Utility Model Laid-Open No. 4-90347 are provided.

[0003]

In these devices, indoor air sucked into the box through the suction port of the box is sterilized by ultraviolet rays emitted from a fluorescent lamp installed in the sterilization chamber, and a deodorizing device is provided. It is configured to be discharged into the room from the exhaust port after deodorizing by
Further, there is a demand for a sterilizer having a deodorant function, which ensures safety in use of a sterilization lamp (measures against leakage of ultraviolet rays to the outside, etc.) and ensures effective sterilization performance.

The present invention is intended to solve the above problems, and it is an object of the present invention to provide an air sterilizer which is safe for the user side and can sufficiently secure the necessary functions.

[0005]

In order to achieve the above object, in the invention of claim 1, an intake port 2 is provided in the lower part of the box body 1 and an exhaust port 3 is provided in the upper part of the box body 1, and the intake port is provided. 2 is provided in the sterilization chamber 4 provided in the box body 1 so as to be located between the exhaust port 3 and the exhaust port 3, and the sterilization lamp 5 is provided near the intake port 2 so as to be located at the lowermost portion in the box body 1. A cross flow fan 6 for sucking air is provided in the box 1.

According to a second aspect of the invention, the filter 7 having the deodorizing function is provided on the exhaust port 3 side in the first aspect. In the invention of claim 3, claim 1
In the above, the straight tube type sterilization lamp 5 is vertically arranged in the sterilization chamber 4. The invention of claim 4 is characterized in that the lighting device 9 is arranged above the motor part 8 as the drive part of the cross flow fan 6 so as to be located outside the sterilization chamber 4 in claim 1.

According to a fifth aspect of the present invention, in the first aspect, a louver 10 is provided on the exhaust port 3 side to prevent light leakage and control the flow rate of the air discharged from the exhaust port 3. . According to the invention of claim 6, the sterilizing lamp 5 is arranged on the back side of the sterilizing chamber 4 provided in the box body 1 according to claim 1, and the cross flow fan is located on the front side of the sterilizing lamp 5. The blower port 11 communicating with the sterilization chamber 4 from the installation site of 6 is arranged.

[0008]

According to the first aspect of the present invention, the cross flow fan 6 is arranged at the lowermost portion in the box body 1 so that the cross flow fan 6 can be prevented from falling down against a horizontal force in general use. , Stability is secured. According to the invention of claim 2, by providing the filter 7 having a deodorizing function on the exhaust port 3 side, the deodorizing function can be easily added to the device.

According to the third aspect of the present invention, the volume of the sterilization chamber 4 can be increased while making the box body 1 long in the longitudinal direction to be compact. According to the invention of claim 4, the sterilization lamp 5 is formed by completely separating the sterilization chamber 4 and the lighting device 9.
It is possible to prevent deterioration of plastics such as lead wires and switches due to irradiation with ultraviolet rays from the.

According to the fifth aspect of the present invention, it is possible to prevent the louver 10 from leaking the sterilization line emitted from the sterilization lamp 5 to the outside and to adjust the exhaust flow rate from the exhaust port 3. According to the invention of claim 6, the air entering the sterilization chamber 4 from the blower opening 11 can be prevented from directly hitting the sterilization lamp 5, and the sterilization lamp 5 can be prevented from being extremely cooled. The sterilization performance can be fully exhibited.

[0011]

The present invention will be described below in detail based on the illustrated embodiments. As shown in FIG. 1, the air sterilizer according to the present invention is mainly configured by accommodating and disposing a sterilizing lamp 5, a cross flow fan 6 and a deodorizing filter 7 inside a stand type vertically long box 1. It is configured.

A stand 12 is provided at the bottom of the box body 1, and the box body 1 can be installed indoors via the stand 12. This stand 12
Is designed not to project backward from the back surface of the box body 1, and when installed indoors, the back surface of the box body 1 can be installed along the wall surface.

An intake port 2 for sucking indoor air into the box body 1 is provided on the lower front surface of the box body 1, and the air sucked into the box body 1 is indoors on the upper front surface of the box body 1. An exhaust port 3 for discharging to is provided. A cross flow fan 6 is provided at the lowermost part of the box body 1 so as to be located inside the intake port 2, and the cross flow fan 6 sucks indoor air into the box body 1 through the intake port 2. You can do it. A prefilter 13 is installed between the intake port 2 and the cross flow fan 6. The prefilter 13 can be cleaned by removing the front cover 14.

A sterilization chamber 4 is provided between the installation site of the cross flow fan 6 and the exhaust port 3, and a sterilization lamp 5 for irradiating a sterilization line such as ultraviolet rays is installed in the sterilization chamber 4. . In FIG. 1 (c) and FIG. 4, the space of the sterilization chamber 4 is shown by the hatched portion. The sterilization lamp 5 is of a straight tube type having a length dimension substantially the same as the height dimension of the sterilization chamber 4, and is located at the back of the sterilization chamber 4 so as to be located at the back of the box 1. Are arranged side by side in the vertical direction.
In the illustrated example, the number of the sterilization lamps 5 is three, but the number may be three or more or three or less. The sterilization chamber 4 and the installation site of the cross flow fan 6 are partitioned by a partition plate 15.
A blower port 11 is provided at 5 for sending indoor air sucked by the cross flow fan 6 through the intake port 2 into the sterilization chamber 4. As shown in FIG. 1C, the blower port 11 is horizontally long and is provided so as to be located in front of the site where the germicidal lamp 5 is installed. That is, it is arranged on the front side of the partition plate 15 so as to be separated from the sterilization lamp 5, so that the room air sent into the sterilization lamp 5 from the blower opening 11 does not directly hit the sterilization lamp 5. There is.

As shown in FIG. 4, the fan portion 6a of the cross flow fan 6 is located immediately below the blower port 11,
The installation site of the cross-flow fan 6 and the inside of the sterilization chamber 4 are in communication with each other through the blower port 11. However, the light from the sterilization lamp 5 is supplied to parts other than the fan part 6a of the cross-flow fan 6. It won't hit. A lighting device 9 is installed above a motor unit 8 as a drive unit of the cross flow fan 6. The lighting device 9 is a ballast or the like, and is installed in a lighting circuit chamber 16 which is completely separated from the sterilization chamber 4 so as to be located outside the sterilization chamber 4 as shown in FIG. 4B. Therefore, measures against ultraviolet deterioration are taken for the members (plastic products such as lead wires and connection terminals) that are subjected to wiring processing by blocking the light from the sterilization chamber 4.

Reference numeral 17 denotes an operation switch provided on the front end portion of the box body 1, which is capable of performing on / off control of the power supply and switching between strong and weak air volume. Further, 18 is a glow starter, and 19 is a limit switch.
The limit switch 19 is provided at the installation site of the front cover 14 integrally provided with the intake louver 20 that constitutes the intake port 2. When the front cover 14 is removed by removing the two knob screws 21, the power is cut off. It is supposed to be done. In addition, a lamp lighting confirmation window 22 for checking the lighting state of the sterilization lamp 5 is provided on the front surface of the box body 1 so as to correspond to the position of the sterilization lamp 5 installed in the sterilization chamber 4. The lamp lighting confirmation window 22 is configured by providing a glass plate on the inner surface side of an acrylic plate.

The exhaust port 3 is provided with a louver 10 for preventing light leakage and controlling the flow rate of air discharged from the exhaust port 3. The louver 10 is composed of a first light-shielding louver 23 provided inside the exhaust port 3 and a second light-shielding louver 24 provided at the exhaust port 3. A filter 7 having a deodorizing function is provided. The filter 7 is a filter member 7c such as an activated carbon filter 7a or a ceramic filter 7b as shown in FIG.
Are arranged side by side so as to be adjacent to the frame member 7d. FIG. 3 shows a deodorizing filter 7e as a filter member 7c, which is formed in a mesh shape. The second light-shielding louver 24 is movable, so that the amount of discharge air discharged from the exhaust port 3 and the wind direction of discharge air discharged into the room from the exhaust port 3 can be adjusted. ing. Each of the light-shielding louvers 23, 24 has light-shielding pieces 23a, 24a formed of a zinc steel plate (suitably pentite) and projecting obliquely downward.
The light from the germicidal lamp 5 is blocked by 4a so that the germicidal line does not exist outside the box 1 through the exhaust port 3. The light is also blocked by the filter 7, and light leakage from the exhaust port 3 side is prevented by the first light blocking louver 23, the second light blocking louver 24, and the filter 7 in a double or triple manner. Are taking. Although only one light-shielding louver is provided in the intake port 2, the total height of the box body 1 is about 60 cm, so that the intake port 2 is 12 cm from the floor even if it is installed side by side on a bed or the like.
Since it is located at a certain position, even one light-shielding louver can sufficiently take measures against the germicidal rays leaking from the germicidal lamp 5.

The room air is introduced into the sterilization chamber 4 from the intake port 2 by the rotation of the fan portion 6a of the cross flow fan 6, and when passing through the sterilization chamber 4, the sterilization lamp 5
After being sterilized by the sterilization line from the above, it is deodorized through the filter 7 and then discharged from the exhaust port 3 into the room. By repeating this action in sequence, it is possible to reduce sterilization in the room and clean the room air. When the room air flows into the sterilization chamber 4 through the air outlet 11, the room air can smoothly flow into the sterilization chamber 4 because there is no shielding member in the sterilization chamber 4. Since the air flowing into the sterilization chamber 4 from the blower port 11 does not directly hit the sterilization lamp 5, the sterilization lamp 5 is not extremely cooled by the inflow of indoor air, and the sterilization performance is not deteriorated.

[0019]

According to the first aspect of the present invention, an intake port is provided in the lower part of the box body, an exhaust port is provided in the upper part of the box body, and the exhaust port is provided between the intake port and the exhaust port. A sterilization lamp is installed in the sterilization chamber, and a crossflow fan for sucking air is installed in the box close to the intake port so that it is located at the bottom of the box. By arranging the above-mentioned structure, it is possible to prevent the device from falling down against a horizontal force during general use, and the stability is ensured.

According to the invention of claim 2, since the filter having the deodorizing function is provided on the exhaust port side in claim 1, the filter having the deodorizing function in addition to the effect of claim 1 is provided on the exhaust port side. Thus, the deodorizing function can be easily added to the device. According to the invention of claim 3, since the straight tube type sterilizing lamp is vertically arranged in the sterilization chamber in claim 1, in addition to the effect of claim 1, the box body is elongated in the longitudinal direction to be compact. The volume of the sterilization chamber can be increased while aiming.

According to the invention of claim 4, in addition to the effect of claim 1, the lighting device is arranged above the motor part as the drive part of the crossflow fan so as to be located outside the sterilization chamber in claim 1. By completely separating the sterilization chamber and the lighting device, deterioration of plastics such as lead wires and switches due to irradiation of ultraviolet rays from the sterilization lamp can be prevented.

According to a fifth aspect of the present invention, in addition to the effect of the first aspect, the louver is provided on the exhaust port side to prevent light leakage and to control the flow rate of air discharged from the exhaust port. The louver can prevent the sterilization line irradiated from the sterilization lamp from leaking to the outside and can adjust the exhaust flow rate from the exhaust port. According to the invention of claim 6, a sterilization lamp is arranged on the back side of the sterilization chamber provided in the box body, and the sterilization lamp is sterilized from the installation site of the cross flow fan so as to be located on the front side of the sterilization lamp. Since the ventilation port communicating with the room is arranged, in addition to the effect of claim 1, the air entering the sterilization chamber from the ventilation port can be prevented from directly hitting the germicidal lamp, and the germicidal lamp is not extremely cooled. Thus, the sterilization performance can be sufficiently exhibited.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, (a) is a front view, (b) is a side sectional view, and (c) is a plan view.

FIG. 2 is a front view showing a filter.

FIG. 3 is a view showing a deodorizing filter, (a) is a front view and (b) is a side view.

4A and 4B show an arrangement state of a cross flow fan and a lighting device, FIG. 4A is a front view with a part omitted, and FIG. 4B is a plan view with a part omitted.

[Explanation of symbols]

 1 Box 2 Intake port 3 Exhaust port 4 Sterilization chamber 5 Sterilization lamp 6 Crossflow fan 7 Filter 8 Motor part 9 Lighting device 10 Louver 11 Blower port

Claims (6)

[Claims] 1. A sterilization lamp is provided in a sterilization chamber provided inside the box so as to be located between the intake port and the exhaust port by providing an intake port at the bottom of the box and an exhaust port at the top of the box. Provided,
An air sterilizer comprising a cross flow fan for sucking air inside the box, which is located near the bottom of the box and close to the intake port. 2. The air sterilizer according to claim 1, wherein a filter having a deodorizing function is provided on the exhaust port side. 3. The air sterilizer according to claim 1, wherein a straight tube type sterilizing lamp is vertically arranged in the sterilizing chamber. 4. The air sterilizer according to claim 1, wherein a lighting device is arranged above a motor unit as a drive unit of the crossflow fan so as to be located outside the sterilization chamber. 5. The air sterilizer according to claim 1, wherein a louver is provided on the exhaust port side to prevent light leakage and to control the flow rate of the air discharged from the exhaust port. 6. A sterilization lamp is arranged on the back side of a sterilization chamber provided in the box body, and a blower opening communicating with the sterilization chamber from a site where the crossflow fan is installed so as to be located on the front side of the sterilization lamp. The air sterilizer according to claim 1, wherein the air sterilizer is provided.