JPH08145392A - Blower and air conditioner using the same - Google Patents

Abstract

PURPOSE: To obtain a sanitary air conditioner in which antibacterial action can be performed for a long period by forming the component member of a blower by an amorphous synthetic resin material in which at least one type or more of chemicals such as a surfactant, an ultraviolet absorber, an antioxidizer and an antibacterial agent are added. CONSTITUTION: An air conditioner 1 sucks the air from the suction port 33 of a suction grill 34 by the operation of a supply fan 22, removes dusts by an air filter 31, then regulates the temperature by a heat exchanger 17, and diffuses from an air outlet 29 to indoor via wind direction altering blades 35, 27, 28. In this case, component members (22, 27, 29, 31, 32, 34, 35, etc.) in contact with the air and a sheath (40, 41, etc.) are formed by an amorphous resin material in which at least one or more chemicals (0.1 to 1.0wt.% of the entire weight) selected from among a surfactant, an ultraviolet absorber, and an antioxidizer, thereby performing antibacterial action for a long period.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air blower for circulating air and an air conditioner for adjusting the temperature inside a room.

[0002]

2. Description of the Related Art This type is disclosed in, for example, Japanese Patent Laid-Open No.
There is an air conditioner described in Japanese Patent No. 106231. This publication discloses an example in which a decorative cover and a wind direction changing plate are made of a synthetic resin containing an antifungal agent.

[0003]

Synthetic resin materials are roughly classified into crystalline resin materials and amorphous resin materials. Amorphous resin materials have a thermal shrinkage during molding as compared with crystalline resin materials. Since it is small, it is easy to control the dimensions, and although it is desirable to use this amorphous resin material, even if an antibacterial agent is added to this amorphous resin material, the antibacterial agent does not bleed (bleed) to the surface, so it is antibacterial for a long time. It was not possible to exert the effect. Therefore, paints and crystalline resins containing antibacterial agents are generally used in the above-mentioned air conditioners.

The present invention provides an air blower and an air conditioner capable of exhibiting an antibacterial action for a long period of time.

[0005]

In order to solve the above-mentioned problems, the first invention is an air blower for circulating air, in which the constituent members of the air blower are a surfactant, an ultraviolet absorber, an oxidant, and It is formed of an amorphous resin material to which at least one or more kinds of inhibitors and an antibacterial agent are added.

A second aspect of the present invention is an air conditioner equipped with a blower for sucking and blowing air, wherein the blower is at least one of a surfactant, an ultraviolet absorber and an antioxidant. It is formed of an amorphous resin material to which the above-mentioned drug and antibacterial agent are added.

A third aspect of the present invention is an air conditioner equipped with a blower for sucking in and blowing out air, wherein the member in contact with the air is a surfactant, an ultraviolet absorber or an antioxidant. It is formed of an amorphous resin material to which at least one kind of drug and an antibacterial agent are added.

Further, a fourth aspect of the present invention is an air conditioner equipped with a blower for sucking and blowing air, wherein the blower is at least one of a surfactant, an ultraviolet absorber and an antioxidant. The above agents and 0.5% by weight to 2.0
It is formed of an amorphous resin material to which an antibacterial agent in a weight percentage is added.

[0009]

The air blower according to the first aspect of the invention and the second and fourth aspects of the invention.
In the air conditioner according to the invention, the antibacterial agent is gradually leached onto the surface of the blower together with the chemical agent added to the amorphous resin material.

In the air conditioner according to the third invention,
The antibacterial agent is gradually leached to the surface of the member that is in contact with air together with the drug added to the amorphous resin material.

Further, in the air conditioner of the fourth invention, since the antibacterial agent is 0.5% by weight to 2.0% by weight, the strength of the resin material is not lowered so much.

[0012]

EXAMPLES Amorphous synthetic resins such as PS (polypropylene) resin, AS-G (glass fiber reinforced acrylonitrile styrene) resin, ABS (acrylinitol-butadiene-styrene) resin, etc. (Samples 1 to 3) 0.
1% by weight to 1.0% by weight of a drug (at least one or more of a surfactant, an ultraviolet absorber and an antioxidant),
Table 1 shows the results of a halo test performed on a synthetic resin molded product formed by adding 0.5% by weight to 2.0% by weight of an antibacterial agent. This halo test shows the results after 7 days have passed while keeping the temperature at 70 ° C. The halo was confirmed in all the samples (Samples 1 to 3), and the effect of the antibacterial agent was confirmed. Since this halo has been confirmed, the period in which the effect of the antibacterial agent is exhibited can be greatly expanded as compared with the conventional products (Samples 4 to 6).

A cyclic polyolefin resin may be used as the amorphous synthetic resin.

[0014]

[Table 1]

Of course, the above-mentioned antibacterial agent has an appropriate bactericidal effect, but in order to use it in a general living environment, it has no toxicity to the human body and no adverse effect on the environment. Is a condition. Examples of antibacterial agents satisfying such conditions include the following.

Parachlorometaxylenol and 2-5-
Phenols such as dichloro-4-bromophenol,
Haloalkyls such as N- (florodichloromethylthio) -phthalimide and NN-dimethyl-N'-phenyl-N '-(florodichloromethylthio) -sulfamide, 1- (4-chlorophenyl) -3-iodopropargyl formal and 1 Iodos such as-[(diiodomethyl) sulfonyl] -4-methylbenzene, 2- (4
-Thiazolyl) -benzimidazole and benzimidazolylcarbamic acid methyl ester and benzimidazoles such as 2-methoxycarbonylaminobenzimidazole, 2-thiocyano-methylthio-benzothiazole and 1,2-bis (3-methoxycarbonyl-2-
Benzothiazoles such as thioureido) benzene, thiocarbamates such as tetramethylthiuram disulfide and zinc ethylenebis (dithiocarbamate), bis (2-pyridylthio-1-oxide) zinc and 2,
Heterocyclic nitrogen compounds such as 3,5,6-tetrachloro-4- (methylsulphenyl) pyridine and 2,4-dichloro-6- (orthochloroanilino) -1,3,5-triazine, 8 Quinones such as -oxyquinoline copper and 2-3-dichloro-1,4-naphthoquinone, 1,2-
Isothiazolines such as benzisothiazolin-3-one and 2-n-octyl-4-isothiazolin-3-one, benzalkonium chloride and 1,1′-hexamethylenebis [5- (4-chlorophenyl) biguanide] dihydrochloride Quaternary ammonium salts such as 2, 4,
Cyanates such as 5,6-tetrachloroisophthalonitrile, anilides such as salicylanilide, organic arsenic such as 10,10′-oxybisphenoxaarsine, 1- (3-chloroallyl)
-3,5,7-Triaza-1-azonia adamantan chloride, α-bromocinnamaldehyde, 2,4,4-
Trichloro-2'-hydroxydiphenyl ether and the like.

Next, specific embodiments of the present invention will be described with reference to the drawings. 1 is an air conditioner, which is an indoor unit 2 and an outdoor unit 3
It consists of and. The indoor unit 2 and the outdoor unit 3 are connected by inter-unit piping 4A, 4B and inter-unit wiring (not shown). On the body of the outdoor unit 3, a service valve 6,
Muffler 7, accumulator 8, compressor whose capacity can be changed by operating frequency (compressor whose capacity cannot be changed) 9, outdoor heat exchanger 12, capillary tube 13 used as a pressure reducing device, strainer 14, service valve It is equipped with 15.

The indoor unit 2 has a connecting portion 16 and an auxiliary pipe 1.
9, a heat exchanger 17 through which the refrigerant flows, an auxiliary pipe 20, and a connecting portion 18. Reference numeral 22 denotes an indoor blower fan (cross flow fan).

The indoor unit includes an air filter 31, an air purifying filter 32, and vertical blades inside an exterior body composed of a rear frame 40, a front panel 41, and a suction grill 34 detachably attached to the front panel. (Wind direction changing blades) 35, horizontal blades (wind direction changing blades) 27, 28 and the like are incorporated. Further, 36 is a drain pan, 42 is a casing for forming a back side ventilation passage, and 36A is a lower end surface (wall of the ventilation passage) of the drain pan for forming a front side ventilation passage. 29 is an air outlet, and 33 is a suction port.

The components that come into contact with the air include the suction grill 24, the air filter 31, the air cleaning filter 32, the ventilation passage walls 36A and 42, the blower fan 22, the wind direction changing blades 35, 27 and 28, and the exterior body. Members such as 40, 41, and 34 that come into contact with air. Further, the blower device is composed of the blower fan 22 and the air passage walls 36A and 42.

In the air conditioner 1 thus constructed, when the blower fan 22 is operated, air is sucked in through the suction port 33, the temperature is adjusted by the heat exchanger, and then the wind direction changing blade 35 is used as necessary. , 27, 28, the wind direction is changed, and the outlet 29
Is blown out from. The air flow at this time passes through the suction grill 34, the air filter 31, the air cleaning filter 32, and the heat exchanger 17, and the wind direction is changed by the wind direction changing blades 35, 27, and 28, and the air flows from the outlet 29 to the room. Flow in order.

In this air conditioner, at least one chemical agent (surfactant, UV absorber, antioxidant) (0.1 weight% based on the total weight) is used for the constituent members and the exterior body that come into contact with the air. % -1.0% by weight) and an antibacterial agent (0.5% by weight to 2.0% by weight based on the total weight) are added to the amorphous resin material. As the drug leaches to the surface, the antibacterial agent also leaches to the surface. Although the actual theory has not been confirmed for the phenomenon in which this antibacterial agent is leached out, it is confirmed that the above-mentioned agent is leached out. Or, it is thought to be associated with this drug and leached out together. Since the antibacterial agent gradually leaches out onto the surface of the synthetic resin in this way, the synthetic resin material can exhibit antibacterial properties for a long period of time.

Further, in this air conditioner, the ratio of the antibacterial agent is set to 0.5% by weight or more based on the total weight, so that the effect of the antibacterial agent can be exhibited, and the ratio of the antibacterial agent is 2.0% by weight. Since it is set to not more than%, it is possible to prevent the physical strength, rigidity and thermal deformability of the synthetic resin material from being impaired (if the ratio of the antibacterial agent exceeds 2.0% by weight, the It has been confirmed by experiments that the physical strength, rigidity and thermal deformability are impaired).

In the present invention, the blower used in the indoor unit of the air conditioner and the constituent members of the portion in contact with the air circulating in the indoor unit are made of the synthetic resin material to which the drug and the antibacterial agent are added. Although described in the example, a portion in contact with the indoor air may be formed of the synthetic resin material like the exterior body of the indoor unit. Further, the blower used in the outdoor unit of the air conditioner and the constituent members of the portion in contact with the air circulating in the outdoor unit may be formed of the pre-synthetic resin material.

In particular, in an outdoor unit in which an ultraviolet absorbent and an antibacterial agent are added as a chemical to an amorphous synthetic resin, an effect peculiar to the outdoor unit that a weather resistance and an antibacterial property can be improved is expected. it can.

Further, an amorphous resin material to which the above-mentioned drug or antibacterial agent is added may be used to form a remote controller that is frequently touched (wired or wireless).

[0027]

In the air blower according to the first aspect of the invention and the air conditioner according to the second and fourth aspects of the present invention, the antibacterial agent is gradually leached on the surface of the blower together with the chemical agent added to the amorphous synthetic resin material. Therefore, an antibacterial effect can be exerted for a long period of time, and a sanitary blower or air conditioner can be provided.

In the air conditioner according to the third invention,
Since the antibacterial agent gradually leaches out to the surface of the member in contact with air together with the chemical agent added to the amorphous synthetic resin material, the antibacterial agent can be used for a long period of time like the air conditioners of the second and fourth inventions. An effect can be exhibited, and a sanitary blower and an air conditioner can be provided.

Further, in the air conditioner of the fourth invention, since the antibacterial agent is 0.5% by weight to 2.0% by weight, the strength of the synthetic resin material is prevented from being lowered so much, and at the same time, for a long period of time. It is possible to provide a sanitary air conditioner capable of exerting an antibacterial effect over a period of time.

[Brief description of drawings]

FIG. 1 is a refrigerant circuit diagram showing an air conditioner of the present invention.

FIG. 2 is a cross-sectional view showing an indoor unit of the air conditioner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner 16 Air filter (member in contact with air) 22 Blower fan (fan device, member in contact with air) 27, 28 Horizontal blades (member in contact with air) 32 Air cleaning filter (member in contact with air) 34 Suction grille ( Member in contact with air 35 Vertical blade (member in contact with air) 36A Wall (member in contact with air) 39 Lower end surface (member in contact with air) 42 Wall (blower, member in contact with air)

Claims (4)

[Claims] 1. An air blower for circulating air, wherein a constituent member of the air blower is a composition containing at least one agent selected from a surfactant, an ultraviolet absorber and an antioxidant and an antibacterial agent. An air blower characterized by being formed of a crystalline synthetic resin material. 2. An air conditioner equipped with a blower for sucking and blowing air, wherein the blower is at least one agent selected from a surfactant, an ultraviolet absorber and an antioxidant, and an antibacterial agent. An air conditioner characterized by being formed of an amorphous synthetic resin material containing and. 3. An air conditioner equipped with a blower for sucking in and blowing out air, wherein the member in contact with the air is at least one kind of a surfactant, an ultraviolet absorber and an antioxidant. An air conditioner characterized by being formed of an amorphous synthetic resin material to which is added an antibacterial agent. 4. An air conditioner equipped with a blower for sucking in and blowing out air, wherein the blower is made of at least one chemical selected from a surfactant, an ultraviolet absorber and an antioxidant. An air conditioner formed of an amorphous synthetic resin material to which 5% by weight to 2.0% by weight of an antibacterial agent is added.