CN110558616A - Porous body - Google Patents
Porous body Download PDFInfo
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- CN110558616A CN110558616A CN201810576512.0A CN201810576512A CN110558616A CN 110558616 A CN110558616 A CN 110558616A CN 201810576512 A CN201810576512 A CN 201810576512A CN 110558616 A CN110558616 A CN 110558616A
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- density
- porous body
- density portion
- liquid
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- 239000007788 liquid Substances 0.000 claims abstract description 116
- 239000000835 fiber Substances 0.000 claims abstract description 39
- 239000011148 porous material Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 5
- 239000003571 electronic cigarette Substances 0.000 description 14
- 230000001737 promoting effect Effects 0.000 description 14
- 230000000630 rising effect Effects 0.000 description 13
- 239000002386 air freshener Substances 0.000 description 9
- 230000001174 ascending effect Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 8
- 230000003247 decreasing effect Effects 0.000 description 7
- 239000000686 essence Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229920002292 Nylon 6 Polymers 0.000 description 5
- 229920002302 Nylon 6,6 Polymers 0.000 description 5
- 241000208125 Nicotiana Species 0.000 description 4
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
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- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M13/00—Fumigators; Apparatus for distributing gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
- A61L9/12—Apparatus, e.g. holders, therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/0007—Adding substances other than water to the air, e.g. perfume, oxygen
Abstract
A porous body for absorbing, storing and releasing liquid in a liquid emitting device is disclosed, the porous body being made of bonded fibers, the density of the porous body increasing from one end to the other end in the axial direction, the liquid being enriched from a low density portion to a high density portion when the liquid is released. The porous body has a simple structure and has good liquid storage capacity and excellent release performance.
Description
Technical Field
The present invention relates to porous bodies, and more particularly to porous bodies for use in liquid-dispensing devices for the absorption, storage and release of liquids.
Background
In daily necessities, devices which emit liquid by gasification or atomization, such as electric mosquito repellent incense, air freshener, electronic cigarette and the like, are often involved. In such devices, it is common to absorb the liquid in a uniform sheet or rod-like material, and to use the liquid absorbed in the sheet or rod-like material by heat, ultrasound or air flow. The device adopting the technology has the release amount seriously attenuated along with the service time, has unstable performance, still remains more liquid when being discarded, wastes resources and pollutes the environment.
In order to solve the above problems of the conventional liquid dispensing device, the present invention discloses a porous body for absorbing, storing and releasing liquid in the liquid dispensing device, wherein the density of the porous body increases from one end to the other end along the axial direction, and the liquid is enriched from a low density part to a high density part when the liquid is released, so that the liquid dispensing device using the porous body can more uniformly dispense the effective components of the liquid, reduce the residual amount, and reduce pollution and resource waste.
Disclosure of Invention
A porous body for absorbing, storing and releasing liquid, the porous body being made of bonded fibers and comprising a low-density portion, a high-density portion and a tapered capillary portion disposed between the low-density portion and the high-density portion, the density of the tapered capillary portion decreasing in the axial direction from the high-density portion to the low-density portion, the cross-sectional area of the high-density portion being 10-80% of the cross-sectional area of the low-density portion, and the density of the low-density portion being 10-80% of the density of the high-density portion.
further, the density of the low-density portion is 0.03 to 0.35g/cm 3.
Further, the density of the high-density portion is 0.08 to 0.55g/cm 3.
Further, the porous body is formed by extruding the integral porous material with uniform density from the outside to the inside in the radial direction by the porous body accommodating chamber.
Further, the porous body has a fiber fineness of 0.2 to 30 denier.
Further, the fiber component for preparing the porous body is single-component fiber, or double-component fiber, or a mixture of the single-component fiber and the double-component fiber.
Further, the porous body is provided with an inner hole at the radial center.
Further, the high-density portion is a high-density end face.
Further, the low-density portion is a low-density end face.
Further, a liquid emitting device includes a liquid emission promoting portion and the above porous body, the liquid emission promoting portion being close to or in contact with the high-density portion of the porous body.
In order to make the aforementioned and other objects of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural view of a porous body provided according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a porous body provided according to a second embodiment of the present invention;
FIG. 3 is a schematic view of a vehicular air freshener employing the porous body of the present invention;
Fig. 4 is a schematic view of a relevant part of the principle in an electronic cigarette to which the porous body of the present invention is applied;
Fig. 5 is a schematic view of a relevant part of an electronic cigarette to which the porous body of the present invention is applied;
Figure 6a is a schematic diagram of the relevant part of an electronic cigarette to which the porous body of the present invention is applied;
FIG. 6b is a schematic cross-sectional view of the location of the fluid-actuated portion of FIG. 6 a;
Fig. 7 is a schematic diagram of a relevant part of an electronic cigarette to which the porous body of the present invention is applied.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms used herein, including technical and scientific terms, have the ordinary meaning as understood by those skilled in the art. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The ascending capillary pressure P in the present invention is defined as the pressure generated by the ascending height h of the liquid when the porous material (high density part or low density part) with sufficient length (generally 5-10cm is required), under normal condition, one end contacts the liquid level with the horizontal liquid and stands vertically for 30 minutes,
P＝ρgh,
Where ρ is the density of the liquid, g is the acceleration of gravity, and h is the liquid rise
The test method for the liquid rise h is defined in the present invention as follows:
1) Placing porous material with length H into liquid to absorb liquid until saturation, and testing saturated absorption weight W0，
2) With the same porous material and the same liquid, one end of the porous material was just brought into contact with the liquid surface of the liquid and was left standing upright for 30 minutes, and the liquid absorption weight was measured as W,
3) the h value is calculated as: h ═ W/W0)x H
First embodiment
fig. 1 is a schematic structural diagram of a porous body provided according to a first embodiment of the present invention. Referring to fig. 1, the present embodiment provides a porous body 1 for absorbing, storing and releasing liquid, the porous body 1 being made of bonded fibers, and including a low-density portion 20, a high-density portion 22, and a decreasing capillary portion 21 disposed between the low-density portion 20 and the high-density portion 22, an increasing capillary pressure of the decreasing capillary portion 21 decreasing from the high-density portion 22 to the low-density portion 20; the cross-sectional area of high-density portion 22 is 10-80% of the cross-sectional area of low-density portion 20, and the density of low-density portion 20 is 10-80% of the density of high-density portion 22.
The liquid emitting device using the porous body 1 of the present invention, such as an electric mosquito coil, an air freshener, an electronic cigarette, etc., has the high-density portion 22 or the end surface of the high-density portion 22 as a liquid emitting portion. Thus, when the liquid is discharged, the liquid is concentrated from the low-density portion 20 to the high-density portion 22, so that the liquid emitting apparatus using the porous body can emit the effective components of the liquid more uniformly, reduce the residual amount, and reduce pollution and resource waste.
In the porous body 1 of the present invention, the cross-sectional area where the tapered capillary portion 21 borders the high-density portion 22 is 10% to 80%, preferably 25% to 65%, of the cross-sectional area where the tapered capillary portion 21 borders the low-density portion 20. The density of the low-density portion 20 is 10% to 80%, preferably 25% to 65%, of the density of the high-density portion 22.
When the ratio of the density of the low-density portion 20 to the density of the high-density portion 22 is equal to 10%, the difference in density between the low-density portion 20 and the high-density portion 22 is sufficiently large, and the effect of enriching the liquid from the low-density portion 20 to the high-density portion 22 is sufficiently good; still further increasing the density difference between the low-density portion 20 and the high-density portion 22, i.e., when the ratio of the density of the low-density portion 20 to the density of the high-density portion 22 is less than 10%, results in an increase in production cost and difficulty in manufacturing. When the ratio of the density of the low-density portion 20 to the density of the high-density portion 22 is greater than 80%, the difference in density between the low-density portion 20 and the high-density portion 22 is too small, the effect of enriching the liquid from the low-density portion 20 to the high-density portion 22 is not significant, and the liquid stored in the porous body 1 is difficult to be sufficiently released, resulting in excessive liquid remaining in the porous body 1 and too large residual amount, which results in waste of resources.
The high-density portion 22 has a density of 0.08 to 0.55g/cc, preferably 0.15 to 0.45 g/cc; the low-density portion 20 has a density of 0.03 to 0.35g/cc, preferably 0.05 to 0.25 g/cc; g/cc is grams per cubic centimeter. When the density of the low-density portion 20 is less than 0.03g/cc, the low-density portion 20 is difficult to mold and difficult to manufacture. When the density of the low-density portion 20 is more than 0.35g/cc, the liquid-absorbing ability of the low-density portion 20 is too strong, and the liquid is released, it becomes difficult for the liquid to be enriched from the low-density portion 20 to the high-density portion 22, so that the residual amount of the liquid in the porous body 1 becomes too large, resulting in a waste of resources.
When the density of the high-density portion 22 is less than 0.08g/cc, the liquid-absorbing capacity of the high-density portion 22 is too weak, and when the liquid is discharged, the liquid is difficult to be enriched from the low-density portion 20 to the high-density portion 22. When the density of the high-density portion 22 is more than 0.55g/cc, the production is difficult.
The capillary pressure rise of the low-density portion 20 is 10% to 80% of the capillary pressure rise of the high-density portion 22, and for example, the capillary pressure rise of the low-density portion 20 is 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80% of the capillary pressure rise of the high-density portion 22. When the ratio of the rising capillary pressure of the low-density portion 20 to the rising capillary pressure of the high-density portion 22 is larger, it becomes more difficult for the liquid to be enriched from the low-density portion 20 to the high-density portion 22. When the ratio of the rising capillary pressure of the low-density portion 20 to the rising capillary pressure of the high-density portion 22 is smaller, the liquid is more likely to be enriched from the low-density portion 20 to the high-density portion 22.
When the ratio of the rising capillary pressure of the low-density portion 20 to the rising capillary pressure of the high-density portion 22 exceeds 80%, a large amount of liquid is absorbed into the descending capillary portion 21 and the low-density portion 20, and the liquid stored in the porous body 1 is difficult to be sufficiently released, resulting in excessive liquid remaining in the porous body 1 and excessive residual amount, which results in resource waste. When the ratio of the rising capillary pressure of the low-density portion 20 to the rising capillary pressure of the high-density portion 22 is less than 10%, the liquid-absorbing ability of the low-density portion 20 is too small to facilitate the absorption and storage of liquid in the porous body 1.
The ratio of the capillary pressure increase of the low-density portion 20 to the capillary pressure increase of the high-density portion 22 in the present embodiment is preferably in the range of 25% to 65%.
The porous body 1 may further include a porous-body housing chamber 5, and the porous body 1 is formed by radially pressing an integrated porous material having a uniform density from the outside to the inside from the porous-body housing chamber 5.
The porous body 1 is made by bonding filaments or staple fibers, and the bonding method may be bonding means such as an adhesive or thermal bonding.
The fiber fineness of the porous body 1 is 0.2 to 30 denier. Denier is the mass in grams of 9000m long fibers at a nominal moisture regain. The fiber fineness of the porous body 1 produced by the present invention is preferably 1 to 15 deniers, and most preferably 2 to 6 deniers.
The fiber component for making the porous body 1 can be single-component fiber, such as PE, PP, PET, PBT, PTT, nylon 6, nylon 66, polylactic acid and the like, or double-component fiber, such as PE/PP, PE/PET, PP/PET, EVA/PET, PBT/PET, nylon 6/nylon 66 and the like, or a mixture of single-component fiber and double-component fiber.
The porous body 1 is provided with an inner hole at the radial center. The porous body in the present invention is a porous material made of bonded fibers, but may be made of sponge, porous plastic, felt, or the like. Through certain process control, the axial strength of the bonded fiber porous body can be higher than the radial strength, so that the radial compression and the axial assembly are facilitated. And an inner hole can be formed while the fibers are bonded, so that an auxiliary liquid guide component can be conveniently inserted.
The porous body 1 comprises a low-density part 20, a descending capillary part 21 and a high-density part 22, and is integrated or split. The integrated structure is convenient to assemble and low in cost, and the split structure has more choices in material selection of each part.
When the low-density part 20 and the tapered capillary part 21 are integrated, the rising capillary pressure of the low-density part 20 and the portion where the tapered capillary part 21 borders is the same as the rising capillary pressure of the low-density part 20. When the high-density portion 22 and the tapered capillary portion 21 are integrated, the rising capillary pressure at the interface between the high-density portion 22 and the tapered capillary portion 21 is the same as the rising capillary pressure of the high-density portion 22. When the low-density portion 20, the descending capillary portion 21 and the high-density portion 22 are separated, the ascending capillary pressure at the junction of the low-density portion 20 and the descending capillary portion 21 and the ascending capillary pressure of the low-density portion 20 may be the same or different, and the ascending capillary pressure at the junction of the high-density portion 22 and the descending capillary portion 21 and the ascending capillary pressure of the high-density portion 22 may be the same or different, according to the selection of materials.
The invention can adopt the integral porous material to radially compress to form the high-density part 22 and the descending capillary part 21, thereby not only meeting the requirement on the ascending capillary pressure, but also reducing the parts and being convenient for manufacturing. The ascending capillary pressure of the tapered capillary portion 21 is tapered from the high-density portion 22 toward the low-density portion 20, and in this case, the performance of the portion of the tapered capillary portion 21 near the high-density portion 22 is close to the high-density portion 22, and the performance of the portion thereof near the low-density portion 20 is close to the low-density portion 20. This structure ensures both the reliability of liquid storage and the reliability of liquid enrichment into the high-density portion 22 when the liquid is dispensed.
The radial center of the low-density portion 20, the tapered capillary portion 21, or the high-density portion 22 may be formed with a through hole to facilitate insertion of an auxiliary liquid guiding member during assembly. When the high-density portion 22, the tapered capillary portion 21, or the low-density portion 20 has a through hole, the above cross-sectional area does not include the cross-sectional area of the hole.
The porous body 1 in the present embodiment may further include a porous-body accommodating chamber 5, and the whole or at least the high-density portion 22 of the porous body 1 is mounted in the porous-body accommodating chamber 5. The shaped porous body accommodating chamber 5 allows the porous body 1 to be easily shaped to form the tapered capillary portion 21 and the high-density portion 22 in appropriate shapes. That is, the high-density portion 22 and the tapered capillary portion 21 may be formed by pressing the porous body from the outside to the inside in the radial direction by the porous-body accommodating chamber.
When the low-density portion 20 or the high-density portion 22 and the tapered capillary portion 21 are of a split structure, the porous-body accommodating chamber 5 facilitates close contact between the materials, so that liquid can smoothly circulate between the materials.
In the present embodiment, the high-density portion 22 and the tapered capillary portion 21 are shaped into a desired shape when the porous body 1 is mounted to the porous-body accommodating chamber 5. In this case, a porous material having a uniform density before installation is selected, and the porous material is molded into the porous body 1 having a desired shape by using the shape of the porous body accommodating chamber 5 during installation, so that the production and the manufacture are convenient and the cost is low.
Compared with the prior art, the porous body of the embodiment has the advantages of small residual liquid amount, simple structure, easy manufacture and wide application in different types of liquid emitting devices.
Second embodiment
Fig. 2 is a schematic structural diagram of a porous body according to a second embodiment of the present invention. The structure of this embodiment is similar to that of the first embodiment, and the same parts as those of the first embodiment are not described again in the description of this embodiment. Referring to fig. 2, the present embodiment provides a porous body 1 for absorbing, storing and releasing liquid, the porous body 1 being made of bonded fibers, and including a low-density portion 20, a high-density portion 22, and a decreasing capillary portion 21 disposed between the low-density portion 20 and the high-density portion 22, an increasing capillary pressure of the decreasing capillary portion 21 decreasing from the high-density portion 22 to the low-density portion 20; the cross-sectional area of high-density portion 22 is 10-80% of the cross-sectional area of low-density portion 20, and the density of low-density portion 20 is 10-80% of the density of high-density portion 22.
the porous body 1 in this embodiment may further include a porous body accommodating chamber 5, and the porous body 1 may be formed by pressing an integral porous material having a uniform density from the outside to the inside in the radial direction from the porous body accommodating chamber 5.
The high-density portion 22 in this embodiment is a high-density end surface, i.e., the high-density end surface of the tapered capillary portion 21 is the high-density portion 22. Also, the low-density portion 20 in the present embodiment is a low-density end face, i.e., the low-density end face of the tapered capillary portion 21 is the low-density portion 20.
When the liquid is emitted from the high-density end surface (high-density part 22) of the tapered capillary part 21, the liquid is enriched from the low-density end surface (low-density part 20) of the tapered capillary part 21 to the high-density end surface (high-density part 22) of the tapered capillary part 21, so that the effective components of the liquid can be uniformly emitted, the residual quantity is reduced, and pollution and resource waste are reduced.
The liquid emitting device using the porous body 1 of the present invention, such as an electric mosquito coil, an air freshener, an electronic cigarette, etc., has the high-density portion 22 or the end surface of the high-density portion 22 as a liquid emitting portion. Thus, when the liquid is discharged, the liquid is concentrated from the low-density portion 20 to the high-density portion 22, so that the liquid emitting apparatus using the porous body can emit the effective components of the liquid more uniformly, reduce the residual amount, and reduce pollution and resource waste.
Third embodiment
Fig. 3 is a schematic view of the principle of a vehicle-mounted air freshener to which the porous body of the present invention is applied. As shown in fig. 3, the vehicle-mounted air freshener 3 includes a housing 30, a porous body 1 to which the present invention is applied and a liquid emission promoting portion 31 which is incorporated in the housing 30, the porous body 1 being enclosed in the housing 30 by the liquid emission promoting portion 31.
The porous body 1 in the present embodiment is made by fiber bonding, and includes a low-density portion (low-density end face) 20, a high-density portion (high-density end face) 22, and a tapered capillary portion 21 provided between the low-density portion (low-density end face) 20 and the high-density portion (high-density end face) 22, the density of the tapered capillary portion 21 decreases from the high-density portion (high-density end face) 22 to the low-density portion (low-density end face) 20 in the axial direction, the cross-sectional area of the high-density portion (high-density end face) 22 is 10 to 80% of the cross-sectional area of the low-density portion (low-density end face) 20, and the density of the low-density portion (low-density end face) 20 is 10 to 80% of the density of the high-density portion (high-density end face) 22.
the density of the low-density portion (low-density end face) 20 is 0.03-0.35g/cm3preferably 0.05 to 0.25g/cm3the density of the high-density portion (high-density end face) 22 is 0.08-0.55g/cm3Preferably 0.15 to 0.45g/cm3. The cross-sectional area of the high-density portion 22 is 10 to 80%, preferably 25 to 65%, of the cross-sectional area of the low-density portion 20. The density of the low-density portion (low-density end face) 20 is 10 to 80%, preferably 25 to 65%, of the density of the high-density portion (high-density end face) 22.
The fiber component of the porous body 1 may be a single component fiber such as PE, PP, PET, PBT, PTT, nylon 6, nylon 66, polylactic acid, etc., or a bicomponent fiber such as PE/PP, PE/PET, PP/PET, EVA/PET, PBT/PET, nylon 6/nylon 66, etc., or a mixture of a single component fiber and a bicomponent fiber. The fiber fineness of the porous body is 0.2-30 denier, and the porous body 1 can be made of single-fineness fiber or made of fibers with multiple fineness mixed together.
The porous body 1 in this embodiment may further include a porous body accommodating chamber 5, and the porous body 1 may be formed by pressing an integral porous material having a uniform density from the outside to the inside in the radial direction from the porous body accommodating chamber 5.
In the vehicle-mounted air freshener 3 manufactured by applying the porous body 1, the liquid emission promoting part 31 of the air freshener is of a grid-shaped structure, and the liquid emission promoting part 31 is close to or in contact with the high-density part (high-density end face) 22, so that liquid essence enriched in the high-density part (high-density end face) 22 can be emitted conveniently during air circulation. For example, the air freshener can work by utilizing the air flow of the air outlet of the automobile air conditioner. Since the rising capillary pressure of the high-density portion (high-density end face) 22 is the largest, when the liquid essence in the high-density portion (high-density end face) 22 is consumed, the liquid in the porous body 1 is constantly enriched to the high-density portion (high-density end face) 22. Compared with the liquid essence carrier with uniform density, the porous body 1 of the invention can make the emission amount of the liquid essence more uniform and more completely release the liquid essence stored in the porous body.
Fourth embodiment
Fig. 4 is a schematic diagram of a relevant part of an electronic cigarette to which the porous body of the present invention is applied. As shown in fig. 4, the electronic cigarette includes a porous body 1 to which the present invention is applied and a liquid emission promoting portion 41.
In the present embodiment, the porous body 1 is formed by radially compressing a porous material having a uniform density by the porous-body accommodating chamber 5. The porous body 1 is made by bonding fibers such as PET, PBT, PTT, nylon 6 or nylon 66 which can resist higher temperature, and the fiber fineness is 2-15 deniers. The high-density portion 22 is a high-density end face having a cross-sectional area of 45% of the cross-sectional area of the low-density portion 20, the high-density portion (high-density end face) 22 of the porous body 1 is close to the liquid emission promoting portion 41, and the liquid emission promoting portion 41 is a heating member.
When the liquid emission promoting portion 41 is heated, heat is radiated to the high-density portion (high-density end face) 22, and the soot absorbed in the high-density portion (high-density end face) 22 is volatilized, while the soot stored in other portions of the porous body 1 is conducted to and accumulated in the high-density portion (high-density end face) 22 of the porous body. This process is repeated until the liquid stored in the porous body 1 is substantially used up. Compared with the technology of storing the tobacco tar by adopting a uniform material, the technology has more stable tobacco tar volatilization and less residual tobacco tar in the porous body after the use.
Fifth embodiment
Fig. 5 is a schematic diagram of a relevant part of an electronic cigarette to which the porous body of the present invention is applied. As shown in fig. 5, the electronic cigarette includes a porous body 1 to which the present invention is applied and a liquid emission promoting portion 41.
As shown in fig. 5, this embodiment is similar to the fourth embodiment, and the same parts as the fourth embodiment are not described again in the description of this embodiment. The difference is that in the present embodiment, the high-density portion 22 has a certain length in the axial direction of the porous body 1, and the heating member contacts the end face of the high-density portion 22. The advantage of this kind of structure is because high density portion has certain length in the axial, and the tobacco tar of heating terminal surface is supplied with and volatilizees more stably, and user experience is better. This structure is suitable for heating the gasified liquid, and for atomizing the liquid by ultrasonic waves if the heating means is changed to the ultrasonic wave generating means.
The porous body 1 in this embodiment may further include a porous body accommodating chamber 5, and the porous body 1 may be formed by pressing an integral porous material having a uniform density from the outside to the inside in the radial direction from the porous body accommodating chamber 5. Preferably, the high-density portion 22 slightly protrudes from the porous body accommodating chamber 5, which is advantageous in that the supply and volatilization of the soot on the heating end surface are more stable, and the user experience is better.
Sixth embodiment
Figure 6a is a schematic diagram of the relevant part of an electronic cigarette to which the porous body of the present invention is applied; figure 6b is a schematic cross-sectional view of the location of the fluid-actuated portion of figure 6 a. As shown in fig. 6a and 6b, the present embodiment is similar to the fifth embodiment, and the same parts as the fifth embodiment are not described again in the description of the present embodiment.
As shown in fig. 6a and 6b, the electronic cigarette includes a porous body 1 to which the present invention is applied, a liquid emission promoting portion 41, an inner hole 23 penetrating the porous body 1, and a high temperature resistant liquid-conducting wick 24 inserted into the inner hole. The liquid dispersion promoting portion 41 is an annular heating member, and is close to or in contact with the peripheral surface of the liquid guide core 24.
after the product is assembled, the porous body 1 conducts the liquid to the liquid guide core 24, and when the liquid emission promoting portion 41 is heated, the liquid on the liquid guide core 24 is volatilized, and at the same time, the liquid in the porous body 1 is continuously enriched to the high density portion 22 and conducted to the liquid guide core 24. This process is repeated until the liquid in the porous body 1 is substantially used up.
This configuration has an advantage in that the porous body 1 and the liquid emission-promoting portion 41 can be disposed in two different cavities, thereby making the product more firm and safer. Since the porous body 1 is separated from the heating member, it is not necessary to use high-temperature resistant fibers for producing the porous body 1, and the selection of the raw material for producing the porous body 1 is more flexible.
In addition, the design of this kind of structure is more modularization, is suitable for the product of the exquisite structure of preparation, if constitute an array with the porous body of a plurality of different essences of storage, can distribute different essences in different time according to external instruction.
Seventh embodiment
Fig. 7 is a schematic diagram of a relevant part of an electronic cigarette to which the porous body of the present invention is applied. As shown in fig. 7, this embodiment is similar to the sixth embodiment, and the same parts as the sixth embodiment are not described again in the description of this embodiment.
as shown in fig. 7, the present embodiment is different from the sixth embodiment in that the porous body 1 of the present embodiment is provided with an inner hole 23 in the high-density portion 22, and a liquid guide core 24 is inserted into the inner hole 23.
The liquid guiding core 24 is a second porous body to which the present invention is applied, is made of bonded fibers, and includes a low-density portion 20 ', a high-density portion 22', and a descending capillary portion 21 'disposed between the low-density portion 20' and the high-density portion 22 ', and an ascending capillary pressure of the descending capillary portion 21' is gradually reduced from the high-density portion 22 'to the low-density portion 20'; the cross-sectional area of the high-density portion 22 'is 10-80% of the cross-sectional area of the low-density portion 20', and the density of the low-density portion 20 'is 10-80% of the density of the high-density portion 22'. The structure has the characteristics that the liquid can be better enriched on the heating end face, the liquid is more stable in emission and the residual quantity is less.
In summary, the porous body and the liquid emission device using the porous body of the present invention gasify or atomize liquid, the liquid emission is more stable, the residual amount is lower, and the structure is small and exquisite, and is convenient to carry and use; if a coloring matter is added to the liquid, the state of use of the liquid in the porous body can also be judged from the change in color of each part of the porous body. Furthermore, the above-described embodiments of the present invention are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention.
Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.
Claims (10)
1. a porous body for absorbing, storing and releasing liquid, characterized in that the porous body is made of bonded fibers and comprises a low-density portion, a high-density portion and a tapered capillary portion arranged between the low-density portion and the high-density portion, the density of the tapered capillary portion decreases from the high-density portion to the low-density portion along the axial direction, the cross-sectional area of the high-density portion is 10-80% of the cross-sectional area of the low-density portion, and the density of the low-density portion is 10-80% of the density of the high-density portion.
2. The porous body according to claim 1, wherein the density of the low-density portion is 0.03 to 0.35g/cm3。
3. The porous body according to claim 1, wherein the density of the high-density portion is 0.08 to 0.55g/cm3。
4. The porous body according to claim 1, wherein the porous body is formed by radially pressing a unitary porous material having a uniform density from outside to inside from a porous-body housing chamber.
5. The porous body of claim 1, wherein the porous body has a fiber denier in the range of 0.2 to 30 denier.
6. Porous bodies according to claim 1 wherein the fibrous component from which the porous bodies are made is a mono-component fibre, or a bi-component fibre, or a mixture of mono-component and bi-component fibres.
7. The porous body of claim 1, wherein the radial center of the porous body is provided with an internal bore.
8. The porous body according to claim 1, wherein the high-density portion is a high-density end face.
9. The porous body according to claim 1, wherein the low-density portion is a low-density end face.
10. A liquid emitting apparatus comprising a liquid emission-promoting portion and a porous body according to any one of claims 1 to 9, the liquid emission-promoting portion being close to or in contact with the high-density portion of the porous body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576512.0A CN110558616A (en) | 2018-06-06 | 2018-06-06 | Porous body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576512.0A CN110558616A (en) | 2018-06-06 | 2018-06-06 | Porous body |
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| Publication Number | Publication Date |
|---|---|
| CN110558616A true CN110558616A (en) | 2019-12-13 |
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| CN201810576512.0A Pending CN110558616A (en) | 2018-06-06 | 2018-06-06 | Porous body |
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| WO2021218009A1 (en) * | 2020-04-30 | 2021-11-04 | 绍兴上虞季真贸易有限公司 | Liquid storage element and writing tool |
| CN113735555A (en) * | 2020-05-28 | 2021-12-03 | 深圳市合元科技有限公司 | Porous body, preparation method thereof and electronic cigarette using porous body |
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Address after: No. 11, Weiwu Road East, Simen Town, Yuyao City, Ningbo City, Zhejiang Province 315470 Applicant after: MICROPOROUS TECHNOLOGY (NINGBO) Ltd. Address before: 5 Xieli Road, Simen Town, Yuyao City, Ningbo City, Zhejiang Province Applicant before: MICROPOROUS TECHNOLOGY (NINGBO) Ltd. |
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