CN210861524U - Humidifying membrane for air conditioning equipment and air conditioning equipment - Google Patents
Humidifying membrane for air conditioning equipment and air conditioning equipment Download PDFInfo
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Abstract
The utility model discloses a humidification membrane, air conditioning equipment for air conditioning equipment. The humidifying membrane includes: the composite fiber comprises a core layer and a skin layer covering the core layer, wherein the core layer and the skin layer are both of porous structures. Therefore, the humidifying membrane has the characteristics of high water absorption speed, large water absorption capacity and high evaporation rate, so that the humidifying capacity of the humidifying membrane is remarkably improved, namely the humidifying membrane has good moisture-conducting and quick-drying performance, and the humidifying effect can be effectively improved.
Description
Technical Field
The utility model relates to an air conditioning equipment technical field specifically relates to add wet film, air conditioning equipment for air conditioning equipment.
Background
The humidifying membrane is a key element when the air conditioning equipment adjusts the humidity. The process of humidity conditioning in an air conditioning unit is generally: the humidifying membrane absorbs moisture, outside air enters the air conditioning equipment through the air inlet, then passes through the humidifying membrane, water on the humidifying membrane is vaporized, and the water is discharged to the outer side of the air conditioning equipment through the air outlet along with the air, so that the aim of humidifying the air is fulfilled.
However, current humidifying membranes still need to be improved.
SUMMERY OF THE UTILITY MODEL
The present invention is made based on the discovery and recognition by the inventors of the following facts and problems:
at present, the humidifying membrane has the problem of low humidifying quantity, and the humidifying effect is influenced. The inventors have found that this is mainly caused by poor properties (such as water absorption and moisture release) of the materials constituting the humidifying membrane at present. Specifically, the existing humidification film is usually composed of viscose fibers and terylene, and the water absorption and moisture release of the terylene are poor, so that the existing humidification film has the problems of low water absorption speed, small water absorption amount and low evaporation rate, the humidification amount is difficult to promote, and the humidification effect is influenced.
The present invention aims to alleviate or solve at least one of the above mentioned problems to at least some extent.
In one aspect of the present invention, the present invention provides a humidifying membrane for an air conditioning apparatus. The humidifying membrane includes: the composite fiber comprises a core layer and a skin layer covering the core layer, wherein the core layer and the skin layer are both of porous structures. Therefore, the humidifying membrane has the characteristics of high water absorption speed, large water absorption capacity and high evaporation rate, so that the humidifying capacity of the humidifying membrane is remarkably improved, namely the humidifying membrane has good moisture-conducting and quick-drying performance, and the humidifying effect can be effectively improved.
Specifically, the core layer satisfies at least one of the following conditions: the diameter is 0.5-2 μm; the pore diameter of the pores in the core layer is 100-200nm, and the pore density in the core layer is 500-1000 ppi. Setting the diameter and the pore characteristics of the core layer within the above ranges, respectively, is advantageous for further increasing the humidification amount of the humidifying membrane.
Specifically, the skin layer satisfies at least one of the following conditions: the thickness is 1-2 μm; the pore size of the pores in the cortex is 100-200nm, and the pore density in the cortex is 500-1000 ppi. Setting the thickness and the pore characteristics of the skin layer within the above ranges, respectively, is advantageous for further improving the humidification amount of the humidifying membrane.
Specifically, the core layer comprises polyacrylonitrile fibers or polylactic acid fibers, and the skin layer comprises terylene or chinlon. Thus, the core layer and the skin layer can be formed from the fibers having a wide variety of sources.
Specifically, the humidifying membrane further includes: cellulose fibers intertwined with the composite fibers. The cellulose fiber has good water absorption performance, the composite fiber not only has good water absorption performance, but also has certain stiffness, and can be used as a supporting component of the humidifying membrane, so that the composite fiber is matched with the cellulose fiber, and the humidifying quantity of the humidifying membrane can be further improved.
Specifically, the content of the composite fiber is 30% to 80% based on the total mass of the fibers constituting the humidifying membrane. Therefore, the content of the composite fiber is set in the range, the humidifying quantity of the humidifying membrane can be obviously improved, the humidifying membrane has certain stiffness, and the humidifying membrane can be independently and stably placed in the water tank when in use.
Specifically, the cellulose fibers include viscose fibers or cuprammonium fibers. Thus, the fibers have good water absorption performance, and the humidification amount of the humidifying membrane can be further increased.
Specifically, the humidifying membrane has a sawtooth structure, the tooth height of the humidifying membrane is 10-100 mm, and the tooth density of the humidifying membrane is 150-500 teeth/m. Accordingly, the tooth height and the tooth density of the humidifying membrane are set within the above ranges, respectively, which is advantageous for increasing the amount of humidification of the humidifying membrane.
Specifically, the thickness of the humidifying membrane is 0.3-1.0 mmThe gram weight of the humidifying membrane is 30-200 g/m2. Therefore, the humidifying membrane has good moisture-conducting and quick-drying performance.
Specifically, the humidifying membrane is a non-woven fabric. Therefore, the humidifying membrane is simple in preparation process, easy to operate, capable of reducing cost and good in humidifying effect.
In another aspect of the present invention, the present invention provides an air conditioning apparatus. The air conditioning apparatus includes: the air conditioner comprises a shell, wherein an air inlet and an air outlet are formed in the shell; the humidifying filter element is arranged in the shell and positioned between the air inlet and the air outlet, the humidifying filter element comprises an outer frame and a humidifying membrane, the outer frame is provided with an accommodating space, the humidifying membrane is arranged in the accommodating space, and the humidifying membrane is the humidifying membrane described above; a water tank disposed below the humidification filter, a portion of the humidification membrane being immersed in water in the water tank. Thus, the air conditioning apparatus has all of the features and advantages of the humidification membrane described above, and will not be described in detail herein. In general, the air conditioning apparatus has a good humidifying effect.
Specifically, the air conditioning equipment includes an air conditioner, a purifier, or a humidifier. Therefore, the air conditioning equipment has good humidifying effect.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural view of a skin-clad core layer according to an embodiment of the present invention;
figure 2 shows a schematic diagram of the structure of a humidifying membrane according to one embodiment of the present invention;
FIG. 3 shows a schematic cross-sectional view taken along section A-A' of FIG. 2;
figure 4 shows a schematic diagram of the structure of a humidifying membrane according to one embodiment of the present invention;
fig. 5 shows a schematic structural view of an air conditioning apparatus according to an embodiment of the present invention;
fig. 6 shows a schematic structural diagram of a humidifying filter element according to an embodiment of the present invention.
Description of reference numerals:
100: a humidifying membrane; 110: teeth; 120: a long hole; 130: a short hole; 200: a housing; 210: an air inlet; 220: an air outlet; 300: a humidifying filter element; 310: an outer frame; 400: a water tank; 10: a core layer; 20: a skin layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In one aspect of the present invention, the present invention provides a humidifying membrane for an air conditioning apparatus. According to an embodiment of the present invention, the humidifying membrane includes: the composite fiber comprises a core layer 10 and a skin layer 20 covering the core layer 10, and both the core layer 10 and the skin layer 20 have a porous structure (refer to fig. 1). Therefore, the humidifying membrane has the characteristics of high water absorption speed, large water absorption capacity and high evaporation rate, so that the humidifying capacity of the humidifying membrane is remarkably improved, namely the humidifying membrane has good moisture-conducting and quick-drying performance, and the humidifying effect can be effectively improved.
For ease of understanding, the working principle of the humidifying membrane according to the embodiment of the present invention is briefly described as follows:
according to the embodiment of the utility model, sandwich layer and cortex among the composite fiber are porous structure, when this composite fiber and water contact, under capillary effect, can be through the hole in the sandwich layer with moisture transport to the sandwich layer and along the sandwich layer distribution, evaporate in the hole in the cortex to the air simultaneously, when wind through humidifying membrane, the moisture on composite fiber surface is easy and is taken away by the wind, therefore this composite fiber has the moisture absorption rapidly, water retention rate, water delivery rate is high, the advantage that the gas permeability is good, this composite fiber has hydroscopicity and waterproof nature concurrently promptly, can give humidifying membrane wet guide fast dry's performance, show the humidification volume that promotes humidifying membrane.
The following detailed description of the various structures of the humidifying membrane according to the embodiments of the present invention:
the specific shape of the holes in the core layer and the skin layer is not particularly limited, and for example, the holes in the core layer 10 and the skin layer 20 may be circular holes, or may also be holes having an irregular shape.
According to an embodiment of the invention, the core layer 10 may have a diameter of 0.5-2 μm, such as 0.5 μm, 0.8 μm, 1 μm, 1.2 μm, 1.5 μm, 1.8 μm, 2 μm. The inventors have found that when the core layer diameter is smaller than the above range, the water absorption amount is small due to the too small core layer diameter, which is disadvantageous for a significant increase in the humidification amount, and when the core layer diameter is larger than the above range, the water evaporation rate is reduced due to the too large core layer diameter, which is also disadvantageous for a significant increase in the humidification amount. The utility model discloses with the diameter setting of sandwich layer in above-mentioned within range, can be favorable to humidifying the showing promotion of membrane humidification volume.
According to an embodiment of the present invention, the pore size of the pores in the core layer 10 may be 100-200nm, such as 100nm, 120nm, 150nm, 180nm, 200nm, and the pore density in the core layer 10 may be 500-1000ppi, such as 500ppi, 600ppi, 700ppi, 800ppi, 900ppi, 1000 ppi. The inventors have found that when the pore diameter of the pores in the core layer is larger than the above range, the water absorption rate is slower due to the larger pore diameter, and the water absorption rate is lower, when the pore diameter of the pores in the core layer is smaller than the above range, the evaporation rate is slower due to the smaller pore diameter, when the pore density in the core layer is larger than the above range, the evaporation rate is slower due to the larger pore density, and when the pore density in the core layer is smaller than the above range, the water absorption rate is slower due to the smaller pore density. The utility model discloses set up mesoporous aperture in the sandwich layer and pore density respectively in above-mentioned within range, can show the speed of absorbing water and the evaporation rate that promote humidification membrane to be favorable to promoting humidification membrane's humidification volume.
According to the utility model discloses an embodiment, sandwich layer 10 can satisfy simultaneously: the diameter of the core layer 10 is 0.5-2 μm, the pore diameter of the pores in the core layer 10 is 100-200nm, and the pore density in the core layer 10 is 500-1000 ppi. Thereby, the humidification amount of the humidification film can be significantly increased.
According to embodiments of the present invention, the thickness of the skin layer 20 may be 1-2 μm, such as 1 μm, 1.2 μm, 1.5 μm, 1.8 μm, 2 μm. The inventors found that when the thickness of the skin layer is larger than the above range, evaporation of water is not facilitated, and when the thickness of the skin layer is smaller than the above range, the mechanical strength of the composite fiber is lowered. The utility model discloses with the thickness setting of cortex in above-mentioned within range, can show the evaporation rate who promotes humidification membrane to make humidification membrane have stronger mechanical strength, thereby be favorable to promoting the humidification volume of humidification membrane.
According to an embodiment of the present invention, the pore size of the pores in the skin layer 20 may be 100-200nm, such as 100nm, 120nm, 150nm, 180nm, 200nm, and the pore density in the skin layer 20 may be 500-1000ppi, such as 500ppi, 600ppi, 700ppi, 800ppi, 900ppi, 1000 ppi. The inventors found that when the pore diameter of the pores in the cortex is larger than the above range, the water absorption rate is slower due to the larger pore diameter, and the water absorption rate is lower, when the pore diameter of the pores in the cortex is smaller than the above range, the evaporation rate is slower due to the smaller pore diameter, when the pore density is larger than the above range, the evaporation rate is slower due to the larger pore density, and when the pore density is smaller than the above range, the water absorption rate is slower due to the smaller pore density, and the water absorption rate is lower. The utility model discloses set up mesoporous aperture in the cortex and pore density respectively in above-mentioned within range, can show the speed of absorbing water and the evaporation rate that promote humidification membrane to be favorable to promoting humidification membrane's humidification volume. According to the utility model discloses an embodiment, the cortex has porous structure, and under capillary action, the cortex can be followed the sandwich layer and absorbed moisture, also can follow the basin and absorb moisture to in evaporating absorbent moisture to the air, improve the humidification volume of humidification membrane.
According to the utility model discloses an embodiment, cortex 20 can satisfy simultaneously: the thickness of the skin layer 20 is 1-2 μm, and the pore size of the pores in the skin layer 20 is 100-200nm, and the pore density in the skin layer 20 is 500-1000 ppi. Thereby, the humidification amount of the humidification film can be significantly increased.
According to the embodiment of the present invention, the core layer 10 may include polyacrylonitrile fiber or polylactic acid fiber, and the skin layer 20 may include polyester or chinlon. Thus, the core layer and the skin layer can be formed from the fibers having a wide variety of sources.
According to an embodiment of the present invention, the humidifying membrane may be composed of only the composite fiber described above, so that the humidifying membrane has a high humidifying amount.
According to other embodiments of the present invention, the humidifying membrane further comprises cellulose fibers, that is, the humidifying membrane may be composed of cellulose fibers and composite fibers together, and the cellulose fibers and the composite fibers are intertwined. The cellulose fiber has good water absorption performance, the composite fiber not only has good water absorption performance, but also has certain stiffness, and can be used as a supporting component of the humidifying membrane, so that the composite fiber is matched with the cellulose fiber, and the humidifying quantity of the humidifying membrane can be further improved.
According to an embodiment of the present invention, the content of the composite fibers may be 30% to 80%, that is, the content of the cellulose fibers may be 20% to 70%, such as 30%, 40%, 50%, 60%, 70%, 80% based on the total mass of the fibers constituting the humidifying membrane, and the corresponding content of the cellulose fibers may be 70%, 60%, 50%, 40%, 30%, 20%, respectively. Therefore, the content of the composite fiber is set in the range, the humidifying quantity of the humidifying membrane can be obviously improved, the humidifying membrane has certain stiffness, and the humidifying membrane can be independently and stably placed in the water tank when in use.
According to an embodiment of the present invention, the cellulose fibers may comprise viscose fibers or cuprammonium fibers. Thus, the fibers have good water absorption performance, and the humidification amount of the humidifying membrane can be further increased.
According to an embodiment of the present invention, referring to fig. 2, the humidifying membrane 100 may have a zigzag structure, that is, the humidifying membrane 100 includes a plurality of teeth 110 (refer to fig. 3), the height of the teeth (H shown in fig. 3) of the humidifying membrane 100 may be 10 to 100mm, such as 10mm, 20mm, 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, and the density of the teeth of the humidifying membrane 100 may be 150 to 500 teeth/m, such as 150 teeth/m, 200 teeth/m, 250 teeth/m, 300 teeth/m, 350 teeth/m, 400 teeth/m, 450 teeth/m, 500 teeth/m. The humidifying membrane is made to have a zigzag structure, so that the contact area of air and the humidifying membrane can be increased, and the height and the density of the teeth are respectively set in the ranges, so that the humidifying membrane is ensured to have a large area, the wind resistance is not too large, and the humidifying quantity of the humidifying membrane can be remarkably improved.
According to the utility model discloses a thickness of humidification membrane can be 0.3 ~ 1.0mm, like 0.3mm, 0.5mm, 0.8mm, 1.0mm, the gram weight of humidification membrane can be 30 ~ 200g/m2E.g. 30g/m2、50g/m2、80g/m2、100g/m2、120g/m2、150g/m2、180g/m2、200g/m2. Therefore, the humidifying membrane has good moisture-conducting and quick-drying performance.
According to the utility model discloses an embodiment can adopt the composite spinning method to spin system cortex fibre and sandwich layer fibre to form the structure of cortex cladding sandwich layer, the hole in sandwich layer and the cortex can be respectively to adding pore-forming agent in sandwich layer polymer, the cortex polymer, and make pore-forming agent evenly distributed in the polymer, after melt spinning, reuse alkali dissolves out the pore-forming agent and form again, thereby form porous cortex and porous sandwich layer.
According to the embodiment of the present invention, the temperature of the spinning box in the spinning process can be 220-280 ℃, the spinning speed can be 800-1200m/min, the rotation speed of the screw can be 40-60 r/min, and the number of holes of the spinneret can be 48. Thus, a structure in which the skin layer covers the core layer can be formed. According to the utility model discloses an embodiment, pore-forming agent can include polyvinyl alcohol, polyethylene glycol, hydroxypropyl cellulose or povidone. Thus, a porous structure can be formed in the skin layer and the core layer using the above pore-forming agent.
According to the utility model discloses a concrete embodiment, composite fiber can be through following step formation (use the cortex as the dacron, the sandwich layer is polyacrylonitrile fibre as an example): first, a composite spun material was prepared: the terylene is sliced and dried, the dried terylene is applied to a pore-forming agent in the terylene, and the dried terylene and the pore-forming agent are mixed and extruded and melted; the polyacrylonitrile fiber is sliced and dried, the dried polyacrylonitrile fiber is applied to the pore-forming agent in the polyacrylonitrile fiber, and the dried polyacrylonitrile fiber and the pore-forming agent are mixed, plasticized, extruded and melted. And then, carrying out composite spinning on the melted material, and cooling and forming to form a structure with a skin layer coating the core layer. Subsequently, the cooled and formed material is subjected to alkali treatment to dissolve out the pore-forming agent, and a porous skin layer and a porous core layer are formed to form the composite fiber.
According to the embodiment of the present invention, on the basis of satisfying the above-described characteristics, the humidifying membrane 100 may further have a plurality of air holes disposed at intervals, when the humidifying membrane is in use, a part of the air holes may be immersed in the water tank, the length direction of the air holes is perpendicular to the water surface in the water tank, and the air holes are distributed in a row in the direction parallel to the water surface in the water tank. Through the mode that sets up of adjusting the wind hole, the moisture of humidification membrane bottom can be in the clearance department between the wind hole of adjacent two columns with the top conduction of sharp distance to humidification membrane, has shortened the conveying distance of moisture greatly, improves the height and the speed of inhaling of humidification membrane, further is showing and promotes the humidification volume.
According to the utility model discloses an embodiment, refer to fig. 4, every row of hole of ventilating includes a plurality of slot holes 120 and the short hole 130 that set up in turn, from this, can reduce the windage, further promotes the humidification volume, can also the noise reduction simultaneously.
According to the utility model discloses an embodiment, two adjacent setting of staggering in the perpendicular to basin water face direction of wind hole are crossed. Thereby, the mechanical strength of the humidifying membrane can be improved.
According to the utility model discloses an embodiment, separate two of arranging and cross the wind hole and align the setting. Thus, the complexity of manufacturing the mold can be reduced.
According to the utility model discloses an embodiment, a plurality of width c of passing through the wind hole are unanimous. Therefore, the preparation of the air passing holes is convenient, the air passing holes are uniformly distributed in the humidifying membrane, and the effect of reducing the wind resistance is more obvious.
According to the embodiment of the present invention, the width c of the ventilation hole is less than or equal to the length b of the short hole 130 and less than the length a of the long hole 120.
Thereby, the overfire air can be made more uniform.
According to the embodiment of the utility model, the length b of short hole 130 < two adjacent rows cross the wind hole and be less than or equal to the length a of slot hole 120 in the staggered distance D of perpendicular to basin water face direction. Thereby, the mechanical strength of the humidifying membrane can be improved.
According to the embodiment of the present invention, 0< the distance d between two adjacent rows of air passing holes is less than or equal to (the length a of the long hole 120-the length b of the short hole 130)/2. Thereby, it is possible to contribute to the increase of the water absorption speed and the evaporation speed, thereby further increasing the humidification amount.
According to the utility model discloses an embodiment, this humidification membrane is the non-woven fabrics. Specifically, the nonwoven fabric does not need to be woven, and only the fibers need to be oriented or randomly arranged to form a fiber web, and then the fiber web is reinforced by mechanical, thermal bonding or chemical methods. Therefore, the humidifying membrane is simple in preparation process, easy to operate, capable of reducing cost and good in humidifying effect.
In another aspect of the present invention, the present invention provides an air conditioning apparatus. According to an embodiment of the present invention, referring to fig. 5, the air conditioning apparatus includes: the humidifying device includes a housing 200, a humidifying filter 300 and a water tank 400, wherein the housing 200 is provided with an air inlet 210 and an air outlet 220, the humidifying filter 300 is arranged in the housing 200 and located between the air inlet 210 and the air outlet 220, the humidifying filter 300 includes an outer frame 310 and a humidifying membrane 100, the outer frame 310 has a containing space, the humidifying membrane 100 is arranged in the containing space (refer to fig. 6), the humidifying membrane 100 is the humidifying membrane described above, the water tank 400 is arranged below the humidifying filter 300, and a part of the humidifying membrane 100 is immersed in water in the water tank 400. Thus, the air conditioning apparatus has all of the features and advantages of the humidification membrane described above, and will not be described in detail herein. In general, the air conditioning apparatus has a good humidifying effect.
According to the embodiment of the present invention, referring to fig. 5, the humidifying membrane in the humidifying filter 300 draws moisture from the water tank 400, and wind enters the housing 200 from the air inlet 210, passes through the humidifying membrane along the arrow direction in the figure, and is discharged from the air outlet 220, and when wind passes through the humidifying membrane, the moisture in the humidifying membrane is vaporized, and is discharged to the outside of the housing 200 along with the wind, so as to achieve the purpose of air humidification. According to the utility model discloses an embodiment, this humidifying membrane includes composite fiber, when composite fiber and water contact, under the capillary effect, can be through the hole in the sandwich layer with moisture transport to the sandwich layer and along the sandwich layer distribution, evaporate in the hole in the cortex to the air simultaneously, when wind process humidifying membrane, the moisture on composite fiber surface is easy and is taken away by wind, composite fiber has hydroscopicity and waterproof nature concurrently promptly, can give humidifying membrane good leading wet quick-drying performance, make humidifying membrane's humidification volume show the improvement, thereby show the humidification effect who promotes air conditioning equipment.
The specific type of the air conditioning apparatus is not particularly limited, and for example, according to an embodiment of the present invention, the air conditioning apparatus may include an air conditioner, a purifier, or a humidifier. Therefore, the air conditioning equipment has good humidifying effect.
According to the embodiment of the utility model, this air conditioning equipment can also have the structure and the part that conventional air conditioning equipment must possess, for example, to the air conditioner as an example, it can include indoor set and off-premises station, and the humidification filter core can set up in the indoor set of air conditioner, and indoor set and off-premises station all can have the structure and the part of conventional air conditioner, can include panel, aviation baffle, wind wheel, filter screen, water collector, face frame, fan, heat exchanger etc. like the indoor set, no longer give unnecessary details one by one here.
The solution of the present invention is illustrated below by specific examples, and it should be noted that the following examples are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications.
Example 1
The humidifying membrane is a non-woven fabric formed by composite fibers and viscose fibers, wherein the core layer of the composite fibers is polyacrylonitrile fibers, the diameter of the core layer is 0.5 mu m, the pore density in the core layer is 500ppi, the pore diameter is 100nm, the skin layer is nylon, the thickness of the skin layer is 1 mu m, the pore density in the skin layer is 500ppi, the pore diameter is 100nm, the total mass of the fibers forming the humidifying membrane is based, the content of the composite fibers is 30%, and the content of the viscose fibers is 70%.
The humidifying membrane is manufactured into a sawtooth shape, the tooth height is 20mm, the tooth density is 300/m, the sawtooth-shaped humidifying membrane is fixed in the outer frame to form a humidifying filter element, the humidifying filter element is vertically placed in the water tank, the humidifying filter element absorbs water from the water tank, air enters from the air inlet, vertically passes through the humidifying filter element, and water vapor is blown out from the air outlet.
Example 2
The humidifying membrane is a non-woven fabric formed by composite fibers and viscose fibers, wherein the core layer of the composite fibers is polyacrylonitrile fibers, the diameter of the core layer is 1 micrometer, the pore density in the core layer is 500ppi, the pore diameter is 100nm, the skin layer is nylon, the thickness of the skin layer is 2 micrometers, the pore density in the skin layer is 500ppi, the pore diameter is 100nm, the total mass of the fibers forming the humidifying membrane is based on 40%, and the content of the composite fibers is 60%.
The shape, tooth height, tooth density and placement position of the humidifying membrane in this example were the same as those in example 1.
Example 3
The humidifying membrane is a non-woven fabric formed by composite fibers and viscose fibers, wherein the core layer of the composite fibers is polyacrylonitrile fibers, the diameter of the core layer is 2 mu m, the pore density in the core layer is 1000ppi, the pore diameter is 100nm, the skin layer is nylon, the thickness of the skin layer is 2 mu m, the pore density in the skin layer is 1000ppi, the pore diameter is 100nm, based on the total mass of the fibers forming the humidifying membrane, the content of the composite fibers is 50%, and the content of the viscose fibers is 50%.
The shape, tooth height, tooth density and placement position of the humidifying membrane in this example were the same as those in example 1.
Example 4
The humidifying membrane is a non-woven fabric formed by composite fibers and viscose fibers, wherein the core layer of the composite fibers is polyacrylonitrile fibers, the diameter of the core layer is 2 micrometers, the pore density in the core layer is 1000ppi, the pore diameter is 150nm, the skin layer is nylon, the thickness of the skin layer is 1 micrometer, the pore density in the skin layer is 1000ppi, the pore diameter is 150nm, the total mass of the fibers forming the humidifying membrane is based, the content of the composite fibers is 60%, and the content of the viscose fibers is 40%.
The shape, tooth height, tooth density and placement position of the humidifying membrane in this example were the same as those in example 1.
Example 5
The humidifying membrane is a non-woven fabric formed by composite fibers and viscose fibers, wherein the core layer of the composite fibers is polyacrylonitrile fibers, the diameter of the core layer is 1 mu m, the pore density in the core layer is 500ppi, the pore diameter is 200nm, the skin layer is terylene, the thickness of the skin layer is 1 mu m, the pore density in the skin layer is 500ppi, the pore diameter is 200nm, the total mass of the fibers forming the humidifying membrane is based, the content of the composite fibers is 70%, and the content of the viscose fibers is 30%.
The shape, tooth height, tooth density and placement position of the humidifying membrane in this example were the same as those in example 1.
Example 6
The humidifying membrane is a non-woven fabric formed by composite fibers and viscose fibers, wherein the core layer of the composite fibers is polylactic acid fibers, the diameter of the core layer is 1 mu m, the pore density in the core layer is 500ppi, the pore diameter is 100nm, the skin layer is terylene, the thickness of the skin layer is 1 mu m, the pore density in the skin layer is 500ppi, the pore diameter is 100nm, the total mass of the fibers forming the humidifying membrane is based, the content of the composite fibers is 80%, and the content of the viscose fibers is 20%.
The shape, tooth height, tooth density and placement position of the humidifying membrane in this example were the same as those in example 1.
Example 7
The humidifying membrane of this example is the same as that of example 1 except that the diameter of the core layer is 0.4 μm.
Example 8
The humidifying membrane of this example is the same as that of example 1 except that the diameter of the core layer is 2.1 μm.
Example 9
The humidifying membrane of this example was the same as that of example 1, except that the pore diameter of the pores in the core layer was 90nm and the pore density was 490 ppi.
Example 10
The humidifying membrane of this example was the same as that of example 1, except that the pore diameter of the pores in the core layer was 210nm and the pore density was 1100 ppi.
Example 11
The humidifying membrane of this example is the same as that of example 1 except that the thickness of the skin layer is 0.9 μm.
Example 12
The humidifying membrane of this example is the same as that of example 1 except that the thickness of the skin layer is 2.1 μm.
Example 13
The humidifying membrane of this example was the same as that of example 1, except that the pore diameter of the pores in the skin layer was 90nm and the pore density was 1100 ppi.
Example 14
The humidifying membrane of this example was the same as that of example 1, except that the pore diameter of the pores in the skin layer was 210nm and the pore density was 490 ppi.
Example 15
The humidifying membrane of this example is the same as that of example 1, except that the content of the composite fiber is 20% and the content of the viscose fiber is 80% based on the total mass of the fibers constituting the humidifying membrane.
Example 16
The humidifying membrane of this example is the same as that of example 6, except that the content of the composite fiber is 90% and the content of the viscose fiber is 10% based on the total mass of the fibers constituting the humidifying membrane.
Example 17
The humidifying membrane is a non-woven fabric formed by composite fibers and viscose fibers, wherein the core layer of the composite fibers is polyacrylonitrile fibers, the diameter of the core layer is 3 mu m, the pore density in the core layer is 1500ppi, the pore diameter is 300nm, the skin layer is nylon, the thickness of the skin layer is 3 mu m, the pore density in the skin layer is 1500ppi, the pore diameter is 300nm, the total mass of the fibers forming the humidifying membrane is based, the content of the composite fibers is 60%, and the content of the viscose fibers is 40%.
The shape, tooth height, tooth density and placement position of the humidifying membrane in this example were the same as those in example 1.
Comparative example 1
The humidifying membrane is a non-woven fabric composed of viscose fibers and terylene, and based on the total mass of the fibers constituting the humidifying membrane, the content of the viscose fibers is 70 percent, and the content of the terylene is 30 percent.
The shape, tooth height, tooth density and placement position of the humidifying membrane of this comparative example were the same as those of example 1.
And (3) performance testing:
the humidifying filter elements of examples 1-17 and comparative example 1 were tested for water absorption rate, evaporation rate and humidification amount, respectively, as follows:
and (3) testing the water absorption speed: reference is made to GB/T21655.1-2008.
Water absorption test: reference is made to GB/T21655.1-2008.
And (3) testing the evaporation rate: reference is made to GB/T21655.1-2008.
And (3) humidification quantity test: see GB/T23332-.
The test results are shown in table 1.
TABLE 1
| Water absorption speed (mm/30min) | Water absorption (%) | Evaporation Rate (g/h) | Amount of humidification (g/h) | |
| Example 1 | 124 | 401 | 0.42 | 451 |
| Example 2 | 180 | 710 | 0.63 | 808 |
| Example 3 | 155 | 552 | 0.55 | 652 |
| Example 4 | 131 | 532 | 0.41 | 505 |
| Example 5 | 162 | 609 | 0.67 | 720 |
| Example 6 | 145 | 730 | 0.51 | 605 |
| Example 7 | 122 | 400 | 0.41 | 445 |
| Example 8 | 120 | 394 | 0.41 | 442 |
| Example 9 | 117 | 389 | 0.40 | 436 |
| Example 10 | 115 | 381 | 0.39 | 435 |
| Example 11 | 112 | 378 | 0.38 | 424 |
| Example 12 | 110 | 372 | 0.38 | 412 |
| Example 13 | 106 | 366 | 0.37 | 403 |
| Example 14 | 101 | 364 | 0.35 | 401 |
| Example 15 | 97 | 360 | 0.33 | 392 |
| Example 16 | 115 | 330 | 0.41 | 405 |
| Example 17 | 120 | 400 | 0.39 | 420 |
| Comparative example 1 | 93 | 357 | 0.32 | 304 |
In the description of the present invention, the terms "upper", "lower", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention, but do not require the present invention to be constructed and operated in a specific orientation, and thus, cannot be construed as limiting the present invention.
Reference throughout this specification to the description of "one embodiment," "another embodiment," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. In addition, it should be noted that the terms "first" and "second" in this specification are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (12)
1. A humidifying membrane for an air conditioning apparatus, comprising:
the composite fiber comprises a core layer and a skin layer covering the core layer, wherein the core layer and the skin layer are both of porous structures.
2. A humidifying membrane for an air-conditioning apparatus as claimed in claim 1, wherein the core layer satisfies at least one of the following conditions:
the diameter is 0.5-2 μm;
the pore diameter of the pores in the core layer is 100-200nm, and the pore density in the core layer is 500-1000 ppi.
3. A humidifying membrane for an air-conditioning apparatus as claimed in claim 1, wherein the skin layer satisfies at least one of the following conditions:
the thickness is 1-2 μm;
the pore size of the pores in the cortex is 100-200nm, and the pore density in the cortex is 500-1000 ppi.
4. A humidifying membrane for an air-conditioning apparatus as claimed in claim 1, wherein the core layer comprises polyacrylonitrile fibre or polylactic acid fibre, and the skin layer comprises terylene or chinlon.
5. A humidifying membrane for an air-conditioning apparatus as claimed in claim 1, further comprising: cellulose fibers intertwined with the composite fibers.
6. A humidifying membrane for an air-conditioning apparatus as claimed in claim 5, wherein the content of the composite fiber is 30-80% based on the total mass of the fibers constituting the humidifying membrane.
7. A humidifying membrane for an air-conditioning apparatus as claimed in claim 5, wherein the cellulose fibres comprise viscose fibres or cuprammonium fibres.
8. A humidifying membrane for an air conditioning apparatus as claimed in any one of claims 1 to 7, wherein the humidifying membrane has a zigzag structure, the humidifying membrane has a tooth height of 10 to 100mm, and the humidifying membrane has a tooth density of 150 to 500 teeth/m.
9. A humidifying membrane for an air-conditioning apparatus as claimed in any one of claims 1 to 7, wherein the humidifying membrane has a thickness of 0.3 to 1.0mm and a grammage of 30 to 200g/m2。
10. A humidifying membrane for an air-conditioning apparatus as claimed in any of claims 1 to 7, wherein the humidifying membrane is a non-woven fabric.
11. An air conditioning apparatus, characterized by comprising:
the air conditioner comprises a shell, wherein an air inlet and an air outlet are formed in the shell;
the humidifying filter element is arranged in the shell and positioned between the air inlet and the air outlet, the humidifying filter element comprises an outer frame and a humidifying membrane, the outer frame is provided with an accommodating space, the humidifying membrane is arranged in the accommodating space, and the humidifying membrane is as claimed in any one of claims 1 to 10;
a water tank disposed below the humidification filter, a portion of the humidification membrane being immersed in water in the water tank.
12. The air conditioning apparatus according to claim 11, characterized in that the air conditioning apparatus includes an air conditioner, a purifier, or a humidifier.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110594924A (en) * | 2019-10-29 | 2019-12-20 | 广东美的制冷设备有限公司 | Humidifying membrane for air conditioning equipment and air conditioning equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110594924A (en) * | 2019-10-29 | 2019-12-20 | 广东美的制冷设备有限公司 | Humidifying membrane for air conditioning equipment and air conditioning equipment |
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