JP2005152796A - Air purification filter and equipment - Google Patents

Abstract

An object of the present invention is to provide an air cleaning filter that exhibits an anti-allergen effect without reducing dust collection efficiency.
A non-conductive filter medium 1 to which an anti-allergen agent made of a material having a high molecular phenolic hydroxyl group is attached and a chargeable filter medium 2 made of an electret filter are bonded with an adhesive 3 to thereby form the chargeable filter medium 2. An air purifying filter that collects dust by the dust collection function and inactivates the allergic activity of harmful substances such as mites and pollen by the anti-allergen function of the non-conductive filter medium 1 and exhibits an anti-allergen effect without reducing the dust collection efficiency Is obtained.
[Selection] Figure 1

Description

  The present invention relates to an air cleaning filter and an apparatus for adsorbing allergen substances such as mites and pollen and inactivating allergic activity of the adsorbed allergen substances.

  Conventionally, a nonwoven fabric filter impregnated with a liquid agent such as a hay fever preventive agent is known as an example of this type of air purification filter (see, for example, Patent Document 1).

  Hereinafter, the nonwoven fabric filter will be described with reference to FIGS. 11 and 12.

As shown in the figure, hydrophilic fibers 102 are provided on at least one surface of a hydrophobic nonwoven fabric 101 of specific fibers, and the hydrophobic nonwoven fabric 101 and the hydrophilic fibers 102 are entangled and integrated with each other by hydroentanglement. In addition, a mixed fiber 103 of hydrophilic fibers and hydrophobic fibers is disposed on the other surface of the hydrophobic nonwoven fabric 101, and a nonwoven fabric filter is formed by impregnating with water or other liquid agent (hay fever prevention agent).
JP 2001-179019 A ([0011], FIG. 1 and FIG. 3)

  In such a conventional non-woven filter, since the non-woven filter is impregnated with water, and the impregnated water contains a hay fever preventive agent, etc., the impregnating property of the hay fever preventive agent is reduced and the dust collection efficiency is reduced. Therefore, it is required to prevent the dust collection efficiency from decreasing.

  This invention solves such a conventional subject, and it aims at providing the air purifying filter and apparatus which show an anti-allergen effect, without reducing dust collection efficiency.

  In order to achieve the above-mentioned object, the air purifying filter of the present invention comprises a non-conductive filter medium and a chargeable filter medium to which an anti-allergen agent is attached, and is constructed by adhering the non-conductive filter medium and the chargeable filter medium. .

  By this means, an air cleaning filter having an anti-allergen effect can be obtained without reducing the dust collection efficiency.

  Another means is that the anti-allergen agent has a high molecular phenolic hydroxyl group.

  By this means, tannic acid, a hydroxybenzoic acid compound, an aromatic hydroxy compound, a salt thereof, or a polymer can be used as a material having antiallergenic properties.

Another means is to add the anti-allergen agent in the range of 0.1 to 10 g / m ² .

  By this means, an air purifying filter capable of exhibiting an anti-allergen effect without reducing the dust collection efficiency can be obtained.

  Another means is that the non-conductive filter medium is made of a synthetic fiber having a softening point of 70 ° C. or higher.

  By this means, it is possible to effectively dry by applying heat without reacting with the treatment liquid and dissolving or deforming.

  In addition, the melting temperature of the adhesive that bonds the non-conductive filter medium and the chargeable filter medium is 50 ° C to 180 ° C.

  By this means, it is possible to prevent a filter medium fiber from shrinking and deforming, and from altering the material, and to obtain an air cleaning filter that can be stored in a stable state.

  Another means is to configure the apparatus by arranging an air purifying filter between the air inlet and the outlet.

  By this means, a device capable of effectively purifying indoor air can be obtained.

  Another means is that the device is any one of an air cleaning device, a ventilation device, a humidifying device, a heating device, a dehumidifying device, a futon dryer, an air conditioner, and a heat exchange device.

  By this means, air can be effectively purified in addition to the functions of the devices themselves.

  Another means is that a mask is constituted by an air cleaning filter.

  By this means, a mask capable of preventing inhalation of floating harmful substances such as mites and pollen into the human body can be obtained.

  ADVANTAGE OF THE INVENTION According to this invention, the air purifying filter which can exhibit an anti-allergen effect can be provided, without reducing dust collection efficiency.

  In addition, it is possible to provide an antiallergenic air purifying filter that can be used in a stable state that can prevent deformation and alteration.

  Moreover, the apparatus which can purify | clean the indoor air containing an allergen substance effectively can be provided.

  In addition, a mask capable of preventing floating allergen substances such as mites and pollen from being inhaled from the mouth of the human body can be provided.

  The invention according to claim 1 of the present invention comprises a non-conductive filter medium impregnated with an anti-allergen agent, a chargeable filter medium, and is constructed by adhering the non-conductive filter medium and the chargeable filter medium. Since the anti-allergen agent is not attached to the filter medium, the anti-allergen effect can be exhibited by the non-conductive filter medium without reducing the dust collection efficiency.

  Further, the invention according to claim 2 is that the anti-allergen agent has a high molecular phenolic hydroxyl group, and as the material having anti-allergenicity, tannic acid, hydroxybenzoic acid compound, aromatic hydroxy compound, or its It can be selected from a salt or a polymer.

Further, the invention according to claim 3 is the one in which the amount of the anti-allergen agent added is in the range of 0.1 to 10 g / m ² , and when the amount of the anti-allergen agent added to the air cleaning filter is too small, The anti-allergenic function cannot be fully exerted, and if it is excessive, the pressure loss of the filter will be high and the air permeability will be reduced, and it will not be possible to collect harmful substances in the air sufficiently. When installed, power consumption and noise generation are likely to occur, and the anti-allergen function can be exhibited as an air purification filter by setting the addition amount within an appropriate range.

  The invention described in claim 4 is a non-conductive filter medium made of synthetic fiber having a softening point of 70 ° C. or higher. Examples of the non-conductive filter medium include organic fibers such as polypropylene, polyethylene, polyester, polyamide, and glass. There are inorganic fibers such as magnesium silicate and alumina, natural fibers such as cotton, etc., and by using a material that does not dissolve or deform by reacting with the treatment liquid, it can be dried effectively by applying heat. Has an effect.

  The invention described in claim 5 is such that the melting temperature of the adhesive for bonding the non-conductive filter medium and the chargeable filter medium is 50 ° C. to 180 ° C., and the melting temperature of the adhesive is 180 ° C. or less. This eliminates the risk of shrinkage and deformation of filter media fibers and alteration of the antiallergen agent in the treatment liquid, and by setting the melting temperature to 50 ° C. or higher, there is no risk of the adhesion of the air purification filter at room temperature. It has the effect | action which can store a filter stably.

  The invention according to claim 6 is the one in which the air purifying filter according to any one of claims 1 to 5 is arranged between the air inlet and the outlet, and the dust in the indoor air is charged. Mite, pollen, etc., which are adsorbed and removed by the filter medium and suspended in the air, are adsorbed by the non-conductive filter medium with the anti-allergen agent, and the allergen substance is inactivated. The air purifying filter formed by bonding is incorporated in the apparatus, so that the indoor air is effectively purified.

  In the invention of claim 7, the device is any one of an air cleaning device, a ventilation device, a humidifying device, a heating device, a dehumidifying device, a futon drying device, an air conditioner, and a heat exchange device. In addition to the function of itself, a function of inactivating mites and pollen in the air and a function of removing dust and the like are added, and the function of each device can be increased.

  The invention described in claim 8 is a mask constituted by the air purifying filter according to any one of claims 1 to 5 and inhals floating harmful substances such as mites and pollen from the mouth of the human body. It has the effect | action which can prevent.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIG. 1, tannic acid, a hydroxybenzoic acid compound, an aromatic hydroxy compound, a salt thereof, or an anti-allergen agent made of a material having a polymer, organic fibers such as polypropylene, polyethylene, polyester, and polyamide, Alternatively, the non-conductive filter medium 1 is formed by attaching to a material made of inorganic fibers such as glass, magnesium silicate, and alumina, natural fibers such as cotton, other paper, resin-impregnated paper, or the like. An air purification filter 4 is formed by adhering a chargeable filter medium 2 made of an electret filter to the non-conductive filter medium 1 with an adhesive 3.

Further, when the amount of the anti-allergen agent added is too small, the anti-allergenic function cannot be sufficiently exerted. On the other hand, when it is excessive, the pressure loss of the air cleaning filter 4 becomes high and the air permeability decreases, so The amount of anti-allergen agent added to the air purification filter 4 is not sufficient for collecting harmful substances and causes problems such as increased power consumption and noise generation when mounted on the device. Is in the range of 0.1 to 10 g / m ² , preferably 1 to 5 g / m ² .

  Examples of the non-conductive filter medium 1 include organic fibers such as polypropylene, polyethylene, polyester, and polyamide, inorganic fibers such as glass, magnesium silicate, and aluminum, natural fibers such as cotton, and other papers. A material that does not dissolve and deform when reacted with the treatment liquid diluted with water is used, and the softening point when heat is effectively applied to dry the treatment liquid adhering to the non-conductive filter medium 1 is 70 degreeC or more is good, Preferably it is 100 degreeC or more.

  In addition, the melting temperature of the adhesive 3 for bonding the non-conductive filter medium 1 and the chargeable filter medium 2 should be 180 ° C. or lower so that the filter medium fibers do not shrink or deform, and the material in the treatment liquid does not deteriorate. In addition, in order to store the filtered air purification filter 4 in a stable state, the temperature should be 50 ° C. or higher, preferably 70 ° C. to 150 ° C. so as not to peel off at room temperature. Is good.

  When the air purification filter 4 having the above configuration is used, the chargeable filter medium 2 side is disposed on the windward side of the air flow path, and the nonconductive filter medium 1 side is disposed on the leeward side.

  Dust and mite and pollen suspended harmful substances floating in the air flowing through the air flow path are efficiently captured by the electrically charged filter medium 2 through the electrical action, and the trapped mite and pollen harmful substances are The allergenic activity is inactivated by the anti-allergen function of the non-conductive filter medium 1 to which the allergen agent is attached, and the anti-allergen effect is brought about without lowering the dust collection efficiency.

(Embodiment 2)
As shown in FIG. 2, an air cleaning device 4 is formed by providing an air cleaning filter 4 </ b> A and a fan motor 8 in a frame body 7 having a suction port 5 and an air outlet 6.

  In the above configuration, dirty air mixed with harmful pollutants is sucked by the fan motor 8 from the suction port 5 of the air cleaning device 9 and sent to the air cleaning filter 4A, and dust and harmful pollutants are purified by the filter. Then, it becomes clean air and is discharged and supplied through the outlet 6. At this time, the air purifying filter 4A inactivates floating harmful substances such as mites and pollen by the anti-allergen agent contained in the air purifying filter 4A, and efficient air purification and allergen inactivation are performed. An air cleaning device 9 that can prevent re-scattering while having harmfulness is obtained.

(Embodiment 3)
As shown in FIG. 3, a ventilation device 11 is configured by providing an air cleaning filter 4 </ b> B and a fan motor 8 </ b> A in a duct 10 having an inlet 5 </ b> A and an outlet 6 </ b> A.

  In the above configuration, dirty air mixed with harmful pollutants is sucked by the fan motor 8A from the suction port 5A of the ventilator 11 and sent to the air cleaning filter 4B, and dust and harmful pollutants are purified by filter filtration. As a result, clean air is discharged and supplied from the air outlet 6A. At this time, the air purifying filter 4B inactivates floating harmful substances such as mites and pollen by the anti-allergen agent contained in the air purifying filter 4B, and efficient air purification and allergen inactivation are performed. Thus, the ventilator 11 having an air cleaning function capable of preventing re-scattering while maintaining the property is obtained.

(Embodiment 4)
As shown in FIG. 4, a humidifying device 13 is configured by providing an air purifying filter 4 </ b> C, a fan motor 8 </ b> B, and a water supply unit 12 in a frame body 7 </ b> A having an inlet 5 </ b> B and an outlet 6 </ b> B.

  In the above configuration, dirty air mixed with harmful pollutants is sucked by the fan motor 8B from the suction port 5B of the humidifier 13 and sent to the air cleaning filter 4C, and dust and harmful pollutants are purified by filtering. Then, it becomes clean air and is discharged from the outlet 6B and supplied. At this time, the air purifying filter 4C humidifies the air passing through the filter by immersing a part of the filter formed of the water-absorbing base material in water or supplying water from the upper part. Pollutant harmful substances in the pollen are filtered and purified, and trapped mites, pollen, and other suspended harmful substances are inactivated. Efficient air purification and allergen inactivation are performed, and the harmful substances can be reused while remaining harmful. The humidifier 13 having an air cleaning function capable of preventing scattering is obtained.

(Embodiment 5)
As shown in FIG. 5, an air purifying filter 4 </ b> D, a fan motor 8 </ b> C, and a heat source 14 are provided in a frame body 7 </ b> B having a suction port 5 </ b> C and a blower outlet 6 </ b> C to constitute a heating device 15.

  In the above configuration, dirty air mixed with harmful pollutants is sucked by the fan motor 8C from the suction port 5C of the heating device 15 and sent to the air cleaning filter 4D, and dust and harmful pollutants are filtered out. The purified and clean air is heated by the heat source 14 and diffused as warm air from the outlet 6C. At this time, the air purification filter 4D filters and purifies the floating harmful substances such as mites and pollen, inactivates the floating harmful substances such as trapped mites and pollen, and performs efficient air purification and allergen inactivation. Accordingly, the heating device 15 having an air cleaning function capable of preventing re-scattering while having harmfulness is obtained.

(Embodiment 6)
As shown in FIG. 6, an air purifying filter 4E, a dehumidifier 16 and a fan motor 8D are provided in a frame body 7C having an inlet 5D and an outlet 6D to constitute a dehumidifier 17.

  In the above configuration, dirty air containing moisture mixed with harmful pollutants is sucked by the fan motor 8D from the suction port 5D of the dehumidifier 17 and sent to the air cleaning filter 4E, where dust and harmful pollutants are collected. Clean air that has been purified by filter filtration and dehumidified is dehumidified by the dehumidifier 16, and the dehumidified air is diffused from the outlet 6D. At this time, the air purifying filter 4E filters and purifies mite and pollen floating harmful substances and inactivates the trapped mites and pollen and other floating harmful substances, so that efficient air purification and allergen inactivation are achieved. Thus, the dehumidifying device 17 having an air cleaning function capable of preventing re-scattering while being harmful is obtained.

(Embodiment 7)
As shown in FIG. 7, an air purifying filter 4F, a fan motor 8E, and a heat source 4A are provided in a frame 7D having an inlet 5E and an outlet 6E, and a futon (not shown) is dried at the outlet 6E. A drying bag 18 is provided to constitute a futon drying device 19.

  In the above configuration, the dirty air mixed with harmful pollutants is sucked by the fan motor 8D from the suction port 5E of the futon drying device 19 and sent to the air cleaning filter 4F, and dust and harmful pollutants are filtered by the filter. The clean air is heated by the heat source 14A, is diffused into the drying bag 18 provided at the outlet 6E, and the futon is dried by heat radiation from the drying bag 18 disposed between the futons. At this time, the air purification filter 4F filters and purifies the floating harmful substances of mites and pollen, and inactivates the floating harmful substances such as trapped mites and pollen, so that efficient air purification and allergen inactivation can be achieved. A futon drying apparatus having an air cleaning function that can be carried out and prevent re-scattering with harmful effects can be obtained.

(Embodiment 8)
As shown in FIG. 8, the air purifying filter 4G, the heat exchanger 20, and the fan motor 8F are provided in a frame body 7E having a suction port 5F and a blower outlet 6F to constitute an air conditioner 21.

  In the above configuration, the dirty air mixed with harmful pollutants is sucked by the fan motor 8F from the suction port 5F of the air conditioner 21 and sent to the air cleaning filter 4G, and dust and harmful pollutants are purified by filtering. The clean air is cooled by the heat exchanger 20 during cooling in the summer, and the cooled air is dissipated from the outlet 6F for cooling. In the winter heating, the heated air is overheated and heated. Is diffused from the outlet 6F and heating is performed. At this time, the air purifying filter 4G filters and purifies floating harmful substances such as mites and pollen, and inactivates the floating harmful substances such as trapped mites and pollen, so that efficient air purification and allergen inactivation are achieved. Thus, an air conditioner having an air purifying function capable of preventing re-scattering while having harmfulness is obtained.

(Embodiment 9)
As shown in FIG. 9, an air supply passage 25 extending from the outdoor suction port 23 to the indoor exhaust port 24 in the outer frame 22, an exhaust flow passage 28 extending from the indoor suction port 26 to the outdoor exhaust port 27, Heat exchange with an air supply fan motor 29 provided in the air supply passage 25, an exhaust fan motor 30 provided in the exhaust passage 28, a heat exchange element 31 provided between the air supply passage 25 and the exhaust passage 28, and heat exchange An air purification filter 4H provided on the windward side of the element 31 is provided to constitute the heat exchange device 32.

  In the above configuration, when the heat exchanging device 32 is operated, air having a heat content in the room is sucked into the exhaust flow path 28 by the exhaust fan 30 from the indoor side exhaust port 27 and heat exchange provided in the exhaust flow path 28 is performed. After accumulating heat in the element 31, the air is exhausted from the outdoor exhaust port 27 to the outside, while the air supply fan 29 sucks in dirty air mixed with harmful pollutants into the outdoor intake port 23, and the air purifying filter. 4H, dust and harmful pollutants are purified by filter filtration, and the air that has collected heat while clean air passes through the heat exchange element 31 is diffused into the room through the indoor inlet 26. Is done. At this time, the air purifying filter 4H filters and purifies floating harmful substances such as mites and pollen, and inactivates the floating harmful substances such as trapped mites and pollen, so that efficient air purification and allergen inactivation are achieved. Thus, a heat exchange device having an air cleaning function capable of preventing re-scattering with harmfulness is obtained.

(Embodiment 10)
As shown in FIG. 10, a mask 35 is configured by providing bands 34 at both ends of the air purifying filter 4 </ b> J via reinforcing portions 33.

  In the above configuration, when the mask 35 is used, dirty air mixed with harmful pollutants is purified by filter filtration by the air cleaning filter 4J of the mask 35. At this time, the air purification filter 4J filters and purifies floating harmful substances such as mites and pollen, and inactivates the floating harmful substances such as trapped mites and pollen, so that efficient air purification and allergen inactivation are achieved. The mask 35 that can keep the air sucked by the user in a clean state is obtained.

  An air purification filter capable of removing harmful pollutants such as mites and pollen can be applied to any device capable of forming an air flow.

Sectional drawing of the air purifying filter of Embodiment 1 of this invention Sectional drawing of the air purifying apparatus of Embodiment 2 of this invention. Sectional drawing of the ventilation apparatus of Embodiment 3 of this invention Sectional drawing of the humidification apparatus of Embodiment 4 of this invention Sectional drawing of the heating apparatus of Embodiment 5 of this invention Sectional drawing of the dehumidification apparatus of Embodiment 6 of this invention Sectional drawing of the futon drying apparatus of Embodiment 7 of this invention Sectional drawing of the air conditioning apparatus of Embodiment 8 of this invention. Sectional drawing of the heat exchange apparatus of Embodiment 9 of this invention Front view of a mask according to Embodiment 10 of the present invention Cross-sectional view of a conventional non-woven filter Cross section of other non-woven filter

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Nonelectroconductive filter medium 2 Electrostatic filter medium 3 Adhesive 4 Air purifying filter 5 Suction port 6 Air outlet 9 Air purifying apparatus 11 Ventilation apparatus 13 Humidifier 15 Heating apparatus 17 Dehumidifier 19 Duvet drying apparatus 21 Air conditioning apparatus 32 Heat exchange Device 35 Mask

Claims (8)

An air purifying filter comprising a non-conductive filter medium with an anti-allergen agent and a chargeable filter medium, wherein the non-conductive filter medium and the chargeable filter medium are bonded together. The air purification filter according to claim 1, wherein the anti-allergen agent has a high molecular phenolic hydroxyl group. The air purifying filter according to claim 1, wherein the amount of the anti-allergen agent added is in the range of 0.1 to 10 g / m ² . The air purification filter according to claim 1, wherein the non-conductive filter medium is made of a synthetic fiber having a softening point of 70 ° C or higher. The air cleaning filter according to claim 1, wherein a melting temperature of an adhesive for adhering the non-conductive filter medium and the chargeable filter medium is 50C to 180C. The apparatus which comprised the air purifying filter in any one of Claims 1-5 between the air suction inlet and the blower outlet. The apparatus according to claim 6, wherein the apparatus is any one of an air purifier, a ventilator, a humidifier, a warmer, a dehumidifier, a futon dryer, an air conditioner, and a heat exchanger. The mask comprised by the air purifying filter in any one of Claims 1-5.

Images