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WO2023085330A1 - Dispositif de refroidissement de produit textile - Google Patents

Dispositif de refroidissement de produit textile Download PDF

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Publication number
WO2023085330A1
WO2023085330A1 PCT/JP2022/041757 JP2022041757W WO2023085330A1 WO 2023085330 A1 WO2023085330 A1 WO 2023085330A1 JP 2022041757 W JP2022041757 W JP 2022041757W WO 2023085330 A1 WO2023085330 A1 WO 2023085330A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
hollow fiber
fiber membrane
end opening
reservoir
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/041757
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English (en)
Japanese (ja)
Inventor
正秀 松本
素 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAP CO Ltd
Sankiconsys Co Ltd
Original Assignee
HAP CO Ltd
Sankiconsys Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HAP CO Ltd, Sankiconsys Co Ltd filed Critical HAP CO Ltd
Priority to JP2023559873A priority Critical patent/JPWO2023085330A1/ja
Publication of WO2023085330A1 publication Critical patent/WO2023085330A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
    • A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature

Definitions

  • It relates to a cooling device that cools fabric products by using water that oozes out from the micropores of the hollow fiber membrane.
  • Patent Document 1 describes a configuration in which water is poured from a water injection hose 42 to a hollow fiber membrane 43 via a water supply branch portion 41, as shown in FIG.
  • Clogging of the hollow fiber membranes is a problem in a cooling device for cooling clothes that utilizes water oozing out from the micropores of the hollow fiber membranes.
  • the problem of clogging is solved by connecting the one end side water supply portion 43a and the other end side water supply portion 43b of the membrane 43 and using the fine holes between the one end side water supply portion and the other end side water supply portion as the water outlet portion. .
  • one end side water supply portion 43a and the other end side water supply portion 43b of each hollow fiber membrane 43 are connected to the cooling water branch portion 42 of the water supply hose 42, thereby Cooling water is supplied from both the side water supply portion 43a and the other end side water supply portion 43b to the water outlet portion. Cooling water is supplied from the one end water supply unit side to the one end water supply unit side of the clogged portion, and from the other end water supply unit side to the other end side water supply unit side of the clogged portion.
  • An object of the present invention is to provide a cooling device for fabric products that can easily eliminate clogging of the hollow fiber membranes in the cooling device for fabric products using hollow fiber membranes.
  • a fabric product cooling device comprising a hollow fiber membrane having an opening at one end and an opening at the other end and having micropores on a wall surface, wherein the hollow fiber membrane is a first water supply portion for supplying water to the hollow fiber membrane. and a water absorbing portion comprising a strip that absorbs and diffuses water exuding from the fine holes in the wall surface of the hollow fiber membrane, wherein the first water supply portion is between the one end opening and the other end opening.
  • the part to be absorbed by water is the hollow fiber membrane between the first water supply part and the one end opening and/or the hollow fiber membrane between the first water supply part and the other end opening.
  • a fabric article cooling device comprising a first reservoir which is a hollow fiber membrane in an intermediate portion and in which said first supply of water resides and stores water to be supplied to said first supply of water.
  • the hollow fiber membrane has a second water supply portion for supplying water to the hollow fiber membrane, the second water supply portion being the one end opening and the other end opening of the hollow fiber membrane;
  • the fabric product cooling device according to (1) which is characterized by comprising a second water storage part for storing the water supplied to the second supply part in which the second supply part for the water is present.
  • a part of the hollow fiber membrane existing between the one end opening and the other end opening that functioned as the first water supply part is also used to push out the substances blocking the micropores of the hollow fiber membrane by the pressure of the water.
  • the problem is solved by the fabric product cooling device described in (2), which is characterized by being used.
  • the water in the first water storage part enters and exits the hollow fiber membrane through the fine pores of the hollow fiber membrane, which is the first water supply part, and the water in the hollow fiber membrane is absorbed by the water absorption part.
  • the problem is solved by the fabric product cooling device according to any one of (1) to (3), characterized in that the air is absorbed and diffused from the strip through fine pores of a certain hollow fiber membrane.
  • the problem is solved by the fabric product cooling device according to any one of (1) to (5), characterized by comprising: (7) A filter that includes a second tank that supplies water to the second water storage part, and blocks particles larger than the inner diameter of the hollow fiber membrane from flowing into the second water storage part between the second water storage part and the second tank.
  • the problem is solved by the fabric product cooling device according to any one of (1) to (6), characterized by comprising: (8) comprising a first tank for supplying water to the first reservoir, wherein the first tank is connected to the second reservoir; (2), (3), (5) or The problem is solved by the fabric product cooling device according to any one of (7). (9) Any one of (2), (3), (5), (7) or (8), wherein the first water reservoir and/or the second water reservoir are made of a flexible material. The problem is solved by the fabric article cooling device described.
  • a fabric product cooling device comprising a tube having an opening at one end and an opening at the other end and having small holes in a wall surface, said tube being a tube through which water enters and exits through said small holes of said tube, said The pipe comprises a first water supply portion for supplying water to the pipe and a water absorbing portion comprising a strip for absorbing and diffusing water exuding from said small pores, said first water supply portion being connected to said one end.
  • a portion of a pipe that exists between the opening and the other end opening, and the portion to be absorbed with water is the portion of the pipe between the first water supply portion and the one end opening and/or the first water supply portion.
  • a cooling device for fabric articles comprising a first reservoir in which said first supply of water resides and stores water to be supplied to said first supply of water, said tube being in a portion between said other end openings.
  • the tube has an inner diameter of 1 mm to 2 mm, an outer diameter of 2 mm to 4 mm, the tube is made of silicone rubber with a hardness of 45 degrees to 55 degrees, and the small hole has a diameter of 0.1 mm to 0.3 mm.
  • the problem is solved by the fabric product cooling device according to (10) characterized by:
  • the fabric product cooling device cools the fabric product.
  • the fabric cooling system also cools the air around the system. By cooling the air around the device, people and things around the device are cooled.
  • Fabric products to be cooled by the cooling device according to the application include clothing, sofas, bedding, cushions, and automobile interiors.
  • the fabric product cooling device has a hollow fiber membrane and a first water reservoir.
  • the hollow fiber membrane has an opening at one end and an opening at the other end, and has micropores on the wall surface.
  • the hollow fiber membrane has a first water supply portion and a water absorption portion.
  • the first water supply part is a part of the hollow fiber membrane that exists between one end opening and the other end opening of the hollow fiber membrane.
  • a first supply of water supplies water to the hollow fiber membranes.
  • the first supply of water may be anywhere between one end and the other end of the hollow fiber membrane. Since the portion between one end and the other end is a hollow fiber membrane, it has a tubular shape, and the wall surface is provided with micropores.
  • a first supply of water resides in the first reservoir and enters the hollow fiber membrane through the pores in the wall of the hollow fiber membrane. Debris smaller than the diameter of the micropores in the wall of the hollow fiber membrane does not enter the hollow fiber membrane and remains in the first reservoir.
  • the water absorbing portion is the hollow fiber membrane between the first water supply portion and the one end opening and/or the hollow fiber membrane between the first water supply portion and the other end opening.
  • the water-absorbing portion has a strip that absorbs and diffuses water exuding from the micropores on the wall surface of the hollow fiber membrane. Coolers use the heat of vaporization of water exuding from the hollow fiber membranes to cool the surrounding air.
  • a band made of a material with high water absorption and diffusion property is in contact with the hollow fiber membrane in the water absorbing part, and the band quickly absorbs and diffuses the water exuded from the hollow fiber membrane, thereby cooling the surrounding air. help.
  • Water for supplying water to the first water supply part is stored in the first water storage part. A portion is located in the first reservoir.
  • the hollow fiber membrane may further include a second supply of water.
  • the second supply of water is the opening at one end and the opening at the other end of the hollow fiber membrane.
  • the second water reservoir stores water to be supplied to the second water supply part, and the second water supply part, that is, the one end opening and the other end opening of the hollow fiber membrane are arranged in the second water storage part. .
  • the second supply of water is the opening at one end and the opening at the other end of the hollow fiber membrane.
  • water enters the hollow fiber membrane through one end opening and the other end opening of the hollow fiber membrane.
  • the water entering the hollow fiber membrane from the second water supply part passes through the hollow fiber membrane and reaches the first water supply part, and passes through the micropores that are the first water supply part to the first water storage part. flow towards. At that time, fine dust clogged in the fine holes of the first water supply section is discharged toward the first water reservoir.
  • a part of the hollow fiber membrane existing between the one end opening and the other end opening which functioned as the first supply part of water is also used to push out what clogs the micropores of the hollow fiber membrane (for example, fine dust) by the pressure of the water. may be used.
  • the substances blocking the micropores are pushed out. As a result, so-called clogging of the hollow fiber membrane can be eliminated.
  • the water in the first water reservoir and the second water reservoir oozes out of the micropores in the walls of the hollow fiber membranes in the process of reciprocating between the two water reservoirs, so water must be replenished to continue cooling.
  • the first tank is used for that purpose.
  • the first tank has a water inlet and can be replenished with water from the outside.
  • the first tank is equipped with a filter to prevent particles larger than the inner diameter of the hollow fiber membrane from flowing into the first reservoir.
  • a second tank will be installed in the second reservoir due to almost the same request as the first tank in the first reservoir.
  • water can be circulated. That is, water flows through the hollow fiber membrane in the order of the first tank, the first water storage section, the first water supply section, the water receiving section, the second water supply section, the second water storage section, and the first tank. go through. With such a configuration, a high cooling effect can be maintained even though there is only one pump. If the target of the product to which the cooling device is attached is large, it can be handled by using a large tank.
  • Example 1 is shown.
  • Fig. 3 shows the flow of water in the cooling device of the embodiment;
  • Example 2 is shown.
  • Example 3 is shown.
  • Example 4 is shown.
  • Example 5 is shown.
  • An example of attaching the cooling device of the embodiment to clothing is shown.
  • a conventional example is shown.
  • the clean unit 1 is equipped with hollow fiber membranes 3 attached to a strip 2.
  • the hollow fiber membranes 3 are not attached to the strip 2 at one end 3b, the other end 3c, and the vicinity of the center (3a), and the hollow fiber membranes 3 are exposed.
  • the hollow fiber membranes 3 are attached to the strip 2 at a location between one end 3b and the center (3a) and at a location between the other end 3c and the center (3a).
  • the hollow fiber membranes 3 are not exposed where they are attached to the band 2, but are wrapped in the material forming the band at the central portion in the width direction of the band 2. As shown in FIG.
  • a portion of the hollow fiber membrane 3 that is not attached to the band 2 and is exposed is placed in water. That is, one end 3b and the other end 3c of the hollow fiber membrane are arranged in the reserve tank 15. As shown in FIG. The vicinity of the center ( 3 a ) of the hollow fiber membrane 3 is arranged in the water purification filter 10 .
  • the portion of the hollow fiber membrane 3 attached to the band 2, that is, the portion wrapped in the material forming the band functions to cool the surroundings.
  • the strip 2 has a longitudinally extending cavity in its widthwise central portion.
  • a hollow fiber membrane 3 is placed in the cavity.
  • the hollow fiber membranes 3 extend in the lengthwise direction of the strip in the hollow space of the strip so as to be wrapped in the material forming the strip. Since the band 2 is wrapped in the material forming the band 2 , the water exuding from the hollow fiber membranes 3 is easily absorbed by the band 2 .
  • the hollow fiber membrane has a diameter of 0.3 m to 2 mm, and the outer membrane has fine pores with a diameter of 10 nm to 1,500 nm.
  • the hollow fiber membrane is made of a material that easily absorbs and diffuses water.
  • Hollow fiber membranes are made of, for example, nylon, polyester, polyvinylidene fluoride, polysulfone, silicon, fluorine resin, polyvinyl chloride, and the like.
  • the clean unit 1 includes a water purification filter 10. Water is injected into the water purification filter 10 from the water supply port 20 . Water in the tank 25 is sent to the water purification filter 10 through the water supply pipe 21 and the water supply port 20 by the action of the pump 23 . A filter 22 is provided between the pump 23 and the water supply port 20 . The holes of the filter 22 are smaller than the inner diameter of the hollow fiber membrane.
  • the clean unit 1 includes a reserve tank 15.
  • the reserve tank 15 is made of flexible material.
  • the sealing portion 8 clamps the ends (2a, 2b) of the strip 2 provided with the hollow fiber membrane and seals the water in the water purification filter 10.
  • the vicinity of the center (3a) of the hollow fiber membrane is placed inside the water purification filter 10.
  • the sealing portion 9 sandwiches the ends (2c, 2d) of the strip 2 provided with the hollow fiber membranes to seal the water in the reserve tank 15.
  • One end 3 b and the other end 3 c of the hollow fiber membrane are arranged in the reserve tank 15 .
  • the hollow fiber membranes 3 are attached to the water purification filter 10 and the reserve tank 15 by sandwiching the band 2 between the sealing portions (8, 9). It can be attached to the water purification filter 10 and the reserve tank 15. - ⁇ That is, the diameter of the hollow fiber membrane 3 is as thin as 0.3 mm to 2 mm. Therefore, when the hollow fiber membranes 3 are directly sandwiched between the sealing portions (8, 9) without the band 2 interposed therebetween, the hollow fiber membranes 3 are easily damaged because they are directly subjected to tensile and bending forces.
  • the hollow fiber membrane 3 is fixed to the water purifying filter 10 and the reserve tank 15 without being subjected to tensile or bending forces by being sandwiched between the strips 2 having a width of several centimeters. As a result, it is possible to prevent the hollow fiber membrane 3 from being damaged at the mounting location.
  • the volume of the tank 25 is suitable to be about 5cc. In the case of 5 cc of water, all the water will finish evaporating in about 15 minutes. When the water in the tank has finished evaporating, it can be replenished with water from the outside.
  • FIG. 1 When the water in the tank 25 is sent to the water purification filter 10 by the pump 23, the water in the water purification filter 10 enters the hollow fiber membranes 3a through the micropores 4 of the hollow fiber membranes 3a. At that time, water stains 7 having particles larger than the diameter of the micropores 4 remain on the water purification filter 10. ⁇ As a result, contaminant-filtered water enters the hollow fiber membrane 3a.
  • the water that has entered the hollow fiber membrane 3a proceeds in the directions of arrows A and B and reaches the position provided with the band. Since there is no water around the band 2 and the band 2 is made of a material that easily absorbs water, the water in the hollow fiber membrane seeps out in the direction indicated by the arrow.
  • the water from the pump 25 passes through the filter 22 before entering the water purification filter 10. Dirt smaller than the inner diameter of the hollow fiber membrane 3 is removed by the filter 22. - ⁇ This can prevent foreign matter from entering the inside of the hollow fiber membrane.
  • the water oozing out of the belt 2 cools the clothes, etc. to which the belt 2 is attached by the heat of vaporization.
  • the remaining water that has not oozed out into the band 2 flows out from the end openings ( 3 b , 3 c ) of the hollow fiber membranes and accumulates in the reserve tank 15 .
  • the reserve tank is made of a flexible material, the water in the reserve tank enters the hollow fiber membranes through the end openings (3b, 3c) of the hollow fiber membranes when it is tightly pinched with fingers.
  • the water that has flowed into the hollow fiber membranes from the reserve tank oozes out into the strip 2, reaches the water purification filter 10, and flows into the water purification filter 10 through the micropores 4 of the hollow fiber membranes 3a.
  • dirt clogging the micropores 4 of the hollow fiber membrane 3 a is removed and flows out into the water purification filter 10 .
  • the micropores of the hollow fiber membrane can be maintained without clogging.
  • the cooling device 1 is used as a unit by arranging a plurality of strips 2 in parallel and attaching them to cloth together with the water purification filter 10 and the reserve tank 15 .
  • Means for attaching the strip, the water purification filter, and the reserve tank to the cloth may be sewn or an adhesive may be used. Since the strip has a cooling function, the unit is arranged and attached to the product so that the strip comes to the part of the product that is desired to be cooled.
  • the pump should be placed in a position where it can be operated for water replenishment, etc.
  • Embodiment 1 Since water can be replenished with a pump, it is suitable when a high cooling effect is required. On the other hand, pumps can interfere with the design of clothing. Therefore, in the case of clothing, it is suitable for use as work clothes.
  • Example 2 will be described with reference to FIG.
  • the water supply port 20 is closed and the device for supplying water from the water supply pipe 21 to the tank 25 is removed.
  • the weight of the cooling device can be reduced.
  • freedom of design is obtained by not having a pump. Therefore, it can be used for general clothing such as T-shirts.
  • the water of the water purification filter 10 enters the hollow fiber membrane through the micropores of the hollow fiber membrane 3a, and part of the water permeates the band 2. Water that reaches the end openings (3b, 3c) of the hollow fiber membranes without permeating is discharged from the end openings and accumulated in the reserve tank 15. As shown in FIG.
  • Example 3 will be described with reference to FIG. In the cooling device of Example 3, both the purified water tank 10 and the reserve tank 15 are provided with tanks.
  • Example 3 Since the cooling device of Example 3 has two pumps, it is suitable for cases in which continuous cooling is required, such as when used for clothing or when working outdoors in the heat. It is also possible to use the pump 23 to flow water from the reserve tank side to the clean water tank side to automatically wash the inside of the hollow fiber membranes.
  • Example 4 will be described with reference to FIG.
  • the water in the reserve tank 15 is collected and sent back to the tank 25 . This allows the water to circulate.
  • the temperature of the water inside the hollow fiber membranes 3 drops due to the heat of vaporization in the zone 2, and the temperature of the water drops as it passes through the water supply pipe 21 and the tank 25. Therefore, by repeating the circulation of water, the cooling effect can be obtained repeatedly.
  • the cooling device of Example 4 uses only one pump, and can be said to be a simplified version of Example 3. If the product is to be cooled over a large area, the pump should be larger.
  • Example 5 will be described with reference to FIG.
  • the cooling device of Example 5 does not include the reserve tank 15 .
  • the water purification filter 10 supplies water to the hollow fiber membranes. Water enters the hollow fiber membrane through the micropores 4 near the center (3a) of the hollow fiber membrane arranged in the water purification filter 10 .
  • the cooling device since the number of parts constituting the cooling device is small, there is an advantage that the production is easy and the cost is low.
  • the water inside the hollow fiber membranes since water is supplied to the inside of the hollow fiber membranes through fine pores in the wall surface of the hollow fiber membranes, the water inside the hollow fiber membranes does not contain foreign matter, and the hollow fiber membranes are not clogged. .
  • the surroundings can be cooled.
  • Example 6 (not shown), a tube with an inner diameter of 1 mm to 2 mm and an outer diameter of 2 mm to 4 mm is used instead of the hollow fiber membranes used in Examples 1 to 5.
  • the tube is made of silicone rubber with a hardness of 45-55 degrees.
  • a small hole of 0.1 mm to 0.3 mm is drilled in the tube, and the water in the tube seeps out from the small hole to the outside of the tube.
  • the hollow fiber membranes used in Examples 1 to 5 are replaced with such a tube, and other configurations are the same as those in Examples 1 to 5.
  • silicone rubber with a hardness of 45 to 55 degrees is highly elastic, it freely follows the expansion and contraction of the belt that absorbs the water seeping out from the small holes, the cooling device that has the belt attached, and the object to be cooled.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Textile Engineering (AREA)

Abstract

[Problème] La présente invention traite le problème de la fourniture d'un dispositif de refroidissement de produit textile qui utilise une membrane à fibres creuses, et avec lequel il est facile de supprimer l'obstruction de la membrane à fibres creuses. [Solution] Le problème est résolu par un dispositif de refroidissement de produit textile comprenant une membrane à fibres creuses ayant une ouverture d'extrémité et une autre ouverture d'extrémité, et ayant des pores fins dans une surface de paroi. La membrane à fibres creuses comprend : une première partie d'alimentation en eau pour fournir de l'eau à la membrane à fibres creuses ; et une partie d'absorption d'eau qui a un corps en bande qui absorbe et diffuse de l'eau suintant des pores fins dans la surface de paroi de la membrane à fibres creuses. En utilisant les pores fins dans la surface de paroi de la membrane à fibres creuses comme première partie d'alimentation en eau, il est possible de convertir l'eau fournie à l'intérieur de la membrane à fibres creuses en eau exempte de poussière. En outre, l'eau à l'intérieur de la membrane à fibres creuses peut être poussée depuis l'intérieur de la membrane à fibres creuses à travers les pores fins dans la surface de paroi, ce qui permet de supprimer l'obstruction des pores fins dans la surface de paroi de la membrane à fibres creuses.
PCT/JP2022/041757 2021-11-09 2022-11-09 Dispositif de refroidissement de produit textile Ceased WO2023085330A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023559873A JPWO2023085330A1 (fr) 2021-11-09 2022-11-09

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021182594 2021-11-09
JP2021-182594 2021-11-09

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WO2023085330A1 true WO2023085330A1 (fr) 2023-05-19

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PCT/JP2022/041757 Ceased WO2023085330A1 (fr) 2021-11-09 2022-11-09 Dispositif de refroidissement de produit textile

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7681249B2 (en) * 2003-12-17 2010-03-23 Survitec Group Limited Conditioning garments
US8015618B2 (en) * 2008-08-06 2011-09-13 Leslie Owen Paull Evaporative cooling clothing system for reducing body temperature of a wearer of the clothing system
JP2019060052A (ja) * 2017-09-27 2019-04-18 株式会社サンエス 冷却衣服用冷却装置と、それを装着した冷却衣服

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7681249B2 (en) * 2003-12-17 2010-03-23 Survitec Group Limited Conditioning garments
US8015618B2 (en) * 2008-08-06 2011-09-13 Leslie Owen Paull Evaporative cooling clothing system for reducing body temperature of a wearer of the clothing system
JP2019060052A (ja) * 2017-09-27 2019-04-18 株式会社サンエス 冷却衣服用冷却装置と、それを装着した冷却衣服

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