JP2002286356A - Negative ion and ozone generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a negative ion and ozone generator which can generate a large quantity of negative ions in small ion state effective for sterilization and can suitably perform humidification of a low temperature high humidity objective space. SOLUTION: The negative ion and ozone generator 1 comprises a discharge type negative ion and ozone generating means 1a, a natural evaporation type humidifying means 1b, a fan unit 1c, and a blowoff air flow guide 1d. The negative ion and ozone generating means 1a is disposed on the downstream side from the humidifying means 1b in the direction of air circulation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for generating negative ions and ozone capable of humidifying air, and more particularly, to a method for sterilizing a refrigerator for storing agricultural products in a low-temperature and high-humidity environment. The present invention relates to an apparatus for generating negative ions and ozone suitable for use with air containing negative ions and low-concentration ozone.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Unexamined Patent Application Publication No. 11-72246 discloses a humidifying unit of a natural evaporation type and a negative ion generating unit disposed near the humidifying unit. An apparatus for supplying is described.
Japanese Patent Application Laid-Open No. 2000-81227 discloses a water splitting type negative ion generating means for splitting water into fine water droplets to generate negative ions, and disposing the negative ion generating means upstream of the negative ion generating means in the air flow direction. A device that includes a humidifying unit and a dehumidifying unit, and humidifies a target space and supplies negative ions.

[0003]

By the way, air (mixed gas) containing, for example, high-concentration negative ions and low-concentration ozone
In order to enhance the sterilizing effect when disinfection is performed, it is necessary that the negative ions are in a so-called "small ion" state, and it is necessary to generate a large amount of such small ion negative ions. . Here, "small ion"
The term “negative ion” refers to a type of negative ion (charged fine particles floating in the air) in which the number of water molecules attached around the negative ion is small. In addition, for example, the interior of a refrigerator for storing agricultural products is generally in a low-temperature and high-humidity environment, and when the interior of the refrigerator is sterilized with air containing high-concentration negative ions and low-concentration ozone, the interior of the refrigerator is maintained at high humidity. Therefore, it is necessary that the humidification performed does not affect the generation amount of the negative ions in the small ion state.

On the other hand, Japanese Unexamined Patent Publication No.
In the device described in the publication, the negative ion generating means and the humidifying means are provided in parallel, so that if sufficient humidification is to be performed, the amount of air flowing through the negative ion generating means decreases, and high concentration negative ions are removed. However, when the amount of negative ions generated is increased, the amount of air flowing through the humidifying unit decreases, and the amount of humidification decreases.

In the apparatus described in JP-A-2000-81227, since the negative ion generating means is of a “water splitting type” in which water is split into fine water droplets to generate negative ions, the negative ion generating means is negative. There is a problem that the number of water molecules adhering around the ions tends to increase, and a large amount of negative ions in a small ion state cannot be generated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and is capable of generating a large amount of negative ions in a small ion state, and suitable for humidifying a target space of low temperature and high humidity. It is an object of the present invention to provide an apparatus for generating negative ions and ozone which can also be performed in the following manner.

[0007]

In order to achieve the above object, a negative ion and ozone generator according to the present invention comprises a discharge type negative ion / ozone generating means for generating negative ions and ozone, and a spontaneous evaporation type. Humidifying means, and air blowing means for circulating air to the negative ion / ozone generating means and the humidifying means, wherein the negative ion / ozone generating means is disposed downstream of the humidifying means and the air blowing direction in the air flow direction. It is configured.

[0008] In the above structure, the humidifying means is disposed downstream of the blowing means in the air flow direction.

Further, in the above configuration, a blow-off airflow guide having a plurality of wind direction guide plates attached in a grid is disposed downstream of the negative ion / ozone generating means in the air flow direction.

In the above structure, a casing having an air inlet and an air outlet and containing negative ion / ozone generating means, humidifying means, and blowing means, and a suction connected to the air inlet of the casing. It has a duct and a suction air filter attached to a suction port of the suction duct.

In the above construction, a casing having an air inlet and an air outlet and containing negative ion / ozone generating means, humidifying means, and air blowing means, and a suction attached to the air inlet of the casing. An air filter is provided, and the outlet airflow guide is attached to an air outlet of the casing.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 of the Invention FIG. 1 is a schematic configuration diagram showing a negative ion and ozone generator according to Embodiment 1 of the present invention. In FIG. 1, a negative ion and ozone generator 1 attached to a prefabricated refrigerator 4 for storing agricultural products includes a discharge type negative ion / ozone generator 1a, a natural evaporation type humidifier 1b, a blower, A blower 1c (blower means) such as a fan, a blowout airflow guide 1d, a box-shaped casing 1e, a suction duct 2,
And a suction air filter 3. Prefab refrigerator 4
An air inlet 11 and an air outlet 12 are formed in the casing 1e installed on the ceiling of
In the casing 1e, the negative ion / ozone generator 1a, the humidifier 1b, and the blower 1c are accommodated. In addition, the code | symbol 5 in a figure is the cooling device provided separately from the generator 1 of a negative ion and ozone, and cools the inside of the prefabricated refrigerator 4, and the code | symbol 6 has shown the radiation cooling panel, respectively.

Although not shown, the discharge-type negative ion / ozone generating means 1a has positive and negative discharge electrodes, and a high voltage is applied between these discharge electrodes to cause a discharge. The negative ions and ozone are simultaneously generated by flowing air through the air. Further, the humidifying means 1b of the natural evaporation type has a humidifying element made of a material having a water absorbing property, and a water supply unit for supplying water to the humidifying element, and the water supplied from the water supplying unit is supplied from the surface of the humidifying element. Humidification is performed by natural evaporation.

The negative ion / ozone generating means 1a is arranged near the air outlet 12, and the humidifying means 1b is connected to the air inlet 1
1 and a blower 1c is arranged between them. Therefore, when viewed in the direction of air flow generated by operating the blower 1c, the humidifying unit 1b
Is disposed on the most upstream side, a blower 1c is disposed downstream of the humidifying unit 1b in the air flow direction, and a negative ion / ozone generator 1a is disposed downstream of the humidifier 1c in the air flow direction. Will be.

The outlet air flow guide 1d has a plurality of wind direction guide plates (not shown) mounted in a grid. The wind direction guide plate is supported by a frame (not shown) of the blowout air flow guide 1d so that the angle can be adjusted (that is, the respective directions can be changed). The outlet airflow guide 1d is attached to the air outlet 12 of the casing 1e in a state where the outlet airflow guide 1d is exposed on the ceiling surface inside the prefabricated refrigerator 4. Therefore, the internal space of the casing 1e and the internal space (target space) of the prefabricated refrigerator 4 communicate with each other via the air outlet 12 and the outlet air flow guide 1d.

The suction duct 2 has one end connected to the air suction port 11 of the casing 1 e and the other end provided with an opening 21 which is open to the ceiling in the prefabricated refrigerator 4. The suction air filter 3 is attached to a suction port 21 of the suction duct 2. Therefore, the internal space of the casing 1 e and the internal space of the prefabricated refrigerator 4 are also communicated via the suction air filter 3, the suction duct 2, and the air suction port 11.

Next, the operation will be described. When the blower 1c is started, the air inside the prefabricated refrigerator 4 passes through the suction air filter 3 attached to the suction port 21 on the ceiling surface, enters the suction duct 2, and then enters the casing 1e from the air suction port 11. It is sucked in. The air that has entered the casing 1e first passes through the humidifying means 1b of a natural evaporation type, and is humidified at this time. The humidified air passes through a discharge type negative ion / ozone generator 1a via a blower 1c. Then, the negative ion / ozone generating means 1a
When passing through the air, the negative ions and ozone generated here are given to the air, and the air becomes a mixed gas with low-concentration ozone containing negative ions in a small ion state at a high concentration. It is supplied to the inside of the prefabricated refrigerator 4 through the guide 1d.

The negative ion and ozone generator 1 configured as described above has the following effects. That is, by performing the humidification by the humidifier 1b of the natural evaporation type, the number of bonds of the water molecules contained in the humidified air becomes equal to the number of the water molecules supplied to the air by the ultrasonic or heating humidifier. It will be smaller than that. By supplying the air containing water molecules having a small number of bonds to the negative ion / ozone generating means 1a of the discharge type, the number of water molecules adhering around the negative ions generated by the discharge is reduced (the number of the bonds is small). Can be reduced), so that a large amount of negative ions in a so-called “small ion” state can be generated. Therefore, the sterilization effect of the mixed gas of ozone and air, which contains high concentrations of negative ions in a small ion state and also contains low-concentration ozone generated simultaneously with the negative ions, can be enhanced.

When humidification is performed to maintain high humidity in the prefabricated refrigerator 4 requiring a low-temperature and high-humidity environment, the amount of change in relative humidity with respect to change in absolute humidity is low because the temperature of air is low. large. For this reason, when humidification is performed by an ultrasonic method or a heating method, excessive humidification tends to occur,
Condensation may occur. On the other hand, in the negative ion and ozone generator 1, the humidifying means 1b of the natural evaporation type is used.
Since humidification is used, it is possible to humidify low-temperature air while avoiding excessive humidification.

Further, if a blower for the negative ion / ozone generating means and a blower for the natural evaporation type humidifying means are separately provided, the cost increases and the prefabricated refrigerator is individually provided from each blower. There is a possibility that the air flows blown into the inside of the prefabricated refrigerator 4 interfere with each other, and the concentration distribution and the humidity distribution of the negative ions and ozone in the prefabricated refrigerator 4 are different from each other. On the other hand, in the negative ion and ozone generator 1, one blower 1c is shared by the negative ion / ozone generator 1a and the humidifier 1b, so that the apparatus manufacturing cost can be reduced, Eliminates mutual interference of airflow,
The ozone gas concentration distribution and the humidity distribution can be made closer to a uniform distribution state.

The humidified air containing the negative ions and ozone (mixed gas) from the negative ion and ozone generator 1 is supplied to the prefabricated refrigerator 4 by adjusting the angle of the wind direction guide plate of the blown air flow guide 1d. Because it can be blown out to any position inside,
The ozone gas and the humidity (moisture) can be evenly dispersed throughout the inside of the prefabricated refrigerator 4 or, if desired, can be in a distribution state in which only a certain portion in the prefabricated refrigerator 4 has a high concentration.

Before the air in the prefabricated refrigerator 4 is introduced into the casing 1e of the negative ion and ozone generator 1, dust and the like contained in the air are sucked into the air filter 3.
Therefore, dust can be prevented from entering the humidifying unit 1b and the negative ion / ozone generating unit 1a.

Further, a suction duct 2 which is separate from the casing 1e is provided. Since the suction duct 2 can be formed into an arbitrary shape, the inside of the refrigerator can be formed from an arbitrary position in accordance with the shape of the prefabricated refrigerator 4. You can inhale the air. That is, the suction port 21 can be provided at an arbitrary position of the prefabricated refrigerator 4 regardless of the installation position of the casing 1e.

Embodiment 2 of the Invention FIG. 2 is a schematic configuration diagram showing a negative ion and ozone generator according to Embodiment 2 of the present invention. As shown in FIG. 2, the negative ion and ozone generator 1A includes a discharge type negative ion / ozone generator 1a, a natural evaporation type humidifier 1b, and a blower 1
c (blowing means), an outlet airflow guide 1d, a casing 1f, and a suction air filter 3. The casing 1f has an air inlet 13 and an air outlet 14 formed therein. The air inlet 13 has the inlet air filter 3, the air outlet 14 has the outlet air flow guide 1d,
Each is attached. The negative ion / ozone generator 1a, the humidifier 1b, and the blower 1c are housed in a casing 1f.

When viewed in the direction of air flow, the air blower 1c is arranged at the most upstream side, and the humidifying means 1b is arranged downstream of the air blower 1c in the air flow direction. The negative ion / ozone generating means 1a is disposed downstream in the flow direction. The configurations of the negative ion / ozone generating means 1a, the humidifying means 1b, the blower 1c, the blowout air flow guide 1d, and the like are the same as those described in the first embodiment of the present invention.

Next, the operation will be described. By operating the blower 1c, the casing 1 is passed through the suction air filter 3.
The air sucked into f is humidified when passing through the spontaneous evaporation type humidification means 1b, and then discharged into the negative ions.
When passing through the ozone generating means 1a, it becomes a mixed gas with low-concentration ozone containing negative ions in the form of small ions in high concentration, and this is mixed with the casing 1 through the blowing air flow guide 1d.
f It is blown out.

In the negative ion and ozone generator 1A thus constructed, the air supplied to the humidifying means 1b is supplied to a motor (not shown) of a blower 1c located upstream thereof. The temperature has risen due to heat generation, and the air whose temperature has risen is supplied to the humidifying means 1b.
The amount of humidification in the humidifying means 1b of the natural evaporation type can be increased. Further, by adjusting the angle of the wind direction guide plate of the blowout airflow guide 1d, the humidified negative ion / ozone mixed gas can be blown out in any direction. Further, since dust and the like contained in the air are removed when passing through the suction air filter 3, it is possible to prevent dust and the like from entering the inside of the humidifying means 1b and the negative ion / ozone generating means 1a. Furthermore, since the negative ion and ozone generator 1A having such a configuration can be installed at an arbitrary position such as a prefabricated refrigerator, the degree of freedom in designing the system is widened and the convenience is high.

[0028]

As described above, according to the apparatus for generating negative ions and ozone according to the present invention, the water molecules contained in the humidified air are humidified by the humidification by the humidification means of the natural evaporation type. The number of bonds can be made smaller than that of water molecules supplied to the air by humidifying means such as an ultrasonic method or a heating method. By supplying the negative ions to the generating means, the number of bonds of water molecules attached to the negative ions generated by the discharge can be reduced, and a large amount of negative ions in a small ion state can be generated. Then, a mixed gas of low-concentration ozone and air containing high-concentration negative ions in a small ion state is obtained.
The germicidal effect can be increased more than before. In addition, by using a natural evaporation type humidifier, it is possible to avoid excessive humidification and perform appropriate humidification on low-temperature air. Furthermore, by sharing the air blowing means with the negative ion / ozone generating means and the natural evaporation type humidifying means,
The apparatus manufacturing cost can be reduced, and the mutual distribution of the airflow can be eliminated, and the concentration distribution of the negative ions and ozone and the humidity distribution can be made uniform.

If the humidifying means is arranged downstream of the air blowing means in the air flow direction, the air whose temperature has increased due to the heat generated by the air blowing means is supplied to the natural evaporation type humidifying means.
The humidification efficiency can be increased by increasing the amount of water evaporation.

Further, the humidified negative ion / ozone-containing air can be blown out in a desired direction in the target space by the wind direction guide plate.

By changing the shape of the suction duct, a suction port can be provided at an arbitrary position in the target space.

Further, by integrally forming the casing accommodating the negative ion / ozone generating means, the humidifying means, and the blowing means, and the suction air filter and the blow-off air flow guide, it can be easily installed at any position. Thus, the convenience can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram showing a negative ion and ozone generator according to Embodiment 1 of the present invention.

FIG. 2 is a schematic configuration diagram showing a negative ion and ozone generator according to Embodiment 2 of the present invention.

[Explanation of symbols]

1,1A Negative ion and ozone generator, 1a negative ion / ozone generator, 1b humidifier, 1c blower (blower), 1d blowout air flow guide, 1e, 1f
Casing, 2 suction ducts, 3 suction air filters,
11, 13 air outlet, 12, 14 air inlet, 2
1 Suction port.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) A61L 2/14 A61L 2/14 2/20 2/20 J F term (reference) 4B021 LT03 LW02 MC01 MK13 MK30 4C058 AA19 AA21 BB06 BB07 CC04 EE12 EE26 JJ14 JJ28 KK01 KK11 KK23 4C080 AA07 BB02 CC14 HH02 JJ01 KK02 LL02 MM08 MM40 QQ17

Claims (5)

[Claims] 1. A discharge type negative ion / ozone generating means for generating negative ions and ozone, a natural evaporation type humidifying means, and a blowing means for flowing air through the negative ion / ozone generating means and the humidifying means. A negative ion / ozone generator, wherein the negative ion / ozone generator is disposed downstream of the humidifier and the blower in the air flow direction. 2. The negative ion and ozone generator according to claim 1, wherein the humidifying means is disposed downstream of the air blowing means in the air flow direction. 3. An air flow guide having a plurality of air direction guide plates mounted in a grid on the downstream side of the negative ion / ozone generating means in the air flow direction. The negative ion and ozone generation device according to the above item. 4. A casing having an air inlet and an air outlet, and containing a negative ion / ozone generator, a humidifier, and a blower, a suction duct connected to the air inlet of the casing, The negative ion and ozone generator according to any one of claims 1 to 3, further comprising a suction air filter attached to a suction port of the suction duct. 5. A casing having an air inlet and an air outlet, and containing a negative ion / ozone generator, a humidifier, and a blower, and a suction air filter attached to the air inlet of the casing. 4. The negative ion and ozone generator according to claim 3, further comprising: a discharge airflow guide attached to the air outlet of the casing.