Fiber mesh, woven fabric, and humidification device
By using vertical connecting fibers to connect the first and second layers in the mesh of the evaporative humidifier, the problem of increased ventilation resistance caused by the bending of the connecting fibers is solved, achieving efficient water storage and humidification, improving the energy efficiency ratio of the humidifier and simplifying the processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-03-06
AI Technical Summary
The mesh of existing evaporative humidifiers has increased ventilation resistance due to the bending of the connecting fibers, resulting in reduced ventilation and humidification volume, and also reduced energy efficiency ratio of the humidifier.
Design a fiber mesh fabric by setting vertical or nearly vertical connecting fibers between a first surface layer and a second surface layer. The connecting fibers do not enter the porous structure, thus maintaining the ventilation area of the porous structure. The first and second surface layers are used for water absorption and storage, and the connecting fibers are used for connection and support.
It improves the water storage capacity and humidification performance of the fiber mesh, reduces wind resistance, enhances the energy efficiency ratio of the humidification device, simplifies the processing technology, and reduces costs.
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Figure CN223972253U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of household appliance technology, and more particularly to a fiber mesh, a fabric, and a humidifying device. Background Technology
[0002] Current evaporative humidifiers consist of a water tank, a water pump, a filter, and a fan. The water pump draws water from the tank to wet the filter, and the airflow generated by the fan passes through the filter, causing the water on the filter to evaporate and be blown out with the airflow, thus humidifying the air. The filter can be made of mesh fabric, which also serves to store water.
[0003] The mesh fabric in the related technology includes a first surface layer, a second surface layer, and connecting fibers. The connecting fibers are arranged relatively densely and in a curved manner between the first and second surface layers, thereby achieving a capillary water absorption and storage effect through the gaps between the connecting fibers.
[0004] Because the connecting fibers are inherently curved, the curvature of the connecting fibers will uncontrollably increase during use. This not only reduces the resilience of the mesh but also causes the connecting fibers to enter more of the pore structure formed by the openings of the first and second layers. This reduces the ventilation area of the three-dimensional pore structure and makes it easier for many tiny water films to form inside the pores or at the openings, thereby increasing the ventilation resistance of the mesh. Consequently, both the ventilation and humidification capacity of the mesh will decrease. Utility Model Content
[0005] This application discloses a fiber mesh fabric with strong water storage capacity and good water absorption.
[0006] To achieve the above objectives, this application discloses a fiber mesh fabric, comprising: a first surface layer including a plurality of first openings; a second surface layer spaced apart from the first surface layer along a first direction, the second surface layer including a plurality of second openings; and connecting fibers, wherein the first openings and the second openings are connected by the connecting fibers; wherein the first openings and the second openings are correspondingly arranged along the first direction, the first openings and / or the second openings are projected onto the first direction to form an opening projection area, and the connecting fibers are located outside the opening projection area.
[0007] In one possible implementation, the absorbency of the connecting fibers is less than that of the first and second surface layers.
[0008] In one possible implementation, the projection of the connecting fiber into the first direction lies on the outline of the first opening and the second opening.
[0009] In one possible implementation, the first surface layer further includes a plurality of first connecting portions, which are connected and enclose the first opening, and adjacent first connecting portions form a first mesh at the connection point;
[0010] The second surface layer also includes a plurality of second connecting portions, which are connected and enclose the second opening, and adjacent second connecting portions form a second mesh at the connection point;
[0011] The connecting fiber passes through the first mesh and the second mesh to connect the first opening and the second opening.
[0012] In one possible implementation, the connecting fiber includes a plurality of fiber segments located between the first surface layer and the second surface layer, with two fiber segments extending from each of the first mesh and the second mesh.
[0013] In one possible implementation, the projection of the connecting fiber toward the first direction is located on the first connecting portion and the second connecting portion.
[0014] In one possible implementation, the number of first connecting portions included in the first opening ranges from 8 to 40; the number of second connecting portions included in the second opening ranges from 8 to 40.
[0015] In one possible implementation, the first opening and the second opening are polygons, the length of the long diagonal of the polygon is L1, the length of the short diagonal of the polygon is L2, wherein 2mm≤L1≤7mm, 2mm≤L2≤6mm; and / or the first opening and the second opening are ellipses, the length of the major axis of the ellipse is L3, the length of the minor axis of the ellipse is L4, wherein 2.5mm≤L3≤9mm, 2mm≤L4≤7mm; and / or the thickness of the fiber mesh is W1, wherein 1.5mm<W1<8mm.
[0016] In one possible implementation, the first and second surface layers are formed by yarn, the yarn comprising a plurality of first filaments, and the connecting fiber being a single filament.
[0017] In one possible implementation, the yarn weighs between 30 grams and 300 grams over a length of 9000 meters, the number of the first fiber filaments is N, where 18 ≤ N ≤ 500; and / or at least a portion of the surface of the first fiber filament includes a water reservoir; and / or the diameter of the connecting fiber is D1, where 20 μm ≤ D1 ≤ 100 μm.
[0018] In one possible implementation, the warp density of the fiber mesh is E1, and the weft density of the fiber mesh is E2, wherein 16 threads / inch ≤ E1 ≤ 50 threads / inch, and 14 threads / inch ≤ E2 ≤ 45 threads / inch.
[0019] A second aspect of this application also provides a fabric comprising the fiber mesh fabric proposed in the first aspect of this application, wherein multiple layers of the fiber mesh fabric are stacked along the first direction;
[0020] The multiple layers of the fiber mesh are staggered along a second direction so that the projection areas of the multiple openings of the fiber mesh at least partially overlap.
[0021] In one possible implementation, the area of the projection region of the opening formed by a first opening of the fiber mesh is S1, and the total area of the projection of the plurality of first connecting portions of the other layers of the fiber mesh onto the projection region of the opening is S2; the fiber overlap rate of the fabric is B, B = S2 / S1, 0 < B < 95%.
[0022] In one possible implementation, the number of layers of the multilayer fiber mesh is M, where 2≤M≤8; and / or the thickness of the fabric along the first direction is W2, where 5mm≤W2≤20mm.
[0023] A third aspect of this application also provides a humidification device comprising the fabric described in the second aspect of this application, or the fiber mesh fabric described in the first aspect of this application; a liquid supply assembly for supplying liquid to the fabric; and a fan capable of agitating airflow to allow airflow to pass through the fabric, wherein the rated speed of the fan is positively correlated with the fiber overlap ratio B of the fabric.
[0024] In one possible implementation, the rated speed of the fan is V1, and the fiber overlap rate of the fabric is B; wherein V1 ≤ 0.8 m / s, and 0% < B ≤ 20%; and / or 0.8 m / s < V1 ≤ 2 m / s, and 20% < B < 70%; and / or V1 > 2 m / s, and 70% ≤ B < 95%.
[0025] Compared with the prior art, the beneficial effects of this application are:
[0026] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description
[0027] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0028] Figure 1 This is one of the structural schematic diagrams of a fiber mesh fabric provided in the embodiments of this application;
[0029] Figure 2 This is a schematic diagram of a set of first and second openings in a fiber mesh fabric provided in an embodiment of this application;
[0030] Figure 3 A schematic diagram showing the projection of a set of first openings and second openings in a fiber mesh fabric along a first direction, provided in an embodiment of this application;
[0031] Figure 4 A top view of a set of first and second openings in a fiber mesh fabric provided for an embodiment of this application;
[0032] Figure 5 This is a schematic cross-sectional view of the yarn in a fiber mesh fabric provided in an embodiment of this application;
[0033] Figure 6 A cross-sectional schematic diagram of connecting fibers in a fiber mesh fabric provided in an embodiment of this application;
[0034] Figure 7 This is one of the structural schematic diagrams of a first opening / second opening in a fiber mesh provided in an embodiment of this application;
[0035] Figure 8 This is a second schematic diagram of the structure of a first / second opening in a fiber mesh fabric provided in an embodiment of this application;
[0036] Figure 9 This is a second schematic diagram of the structure of a fiber mesh fabric provided in an embodiment of this application;
[0037] Figure 10 This is the third schematic diagram of a fiber mesh fabric provided in the embodiments of this application;
[0038] Figure 11 This is one of the structural schematic diagrams of a fabric provided in the embodiments of this application;
[0039] Figure 12 A schematic diagram showing the projection of two first openings of a two-layer fiber mesh in a fabric along a first direction, provided as an embodiment of this application;
[0040] Figure 13This is a top view of a partial structure in a fabric provided in an embodiment of this application.
[0041] Explanation of reference numerals in the attached figures:
[0042] 100 - Fiber mesh; 10 - First surface layer; 11 - First opening; 110 - First connecting part; 111 - First mesh; 20 - Second surface layer; 21 - Second opening; 210 - Second connecting part; 211 - Second mesh; 30 - Connecting fiber; 301 - Fiber segment; A - Opening projection area; 40 - Weaving thread; 401 - First fiber filament; 402 - Water storage tank; 200 - Fabric. Detailed Implementation
[0043] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0044] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.
[0045] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0046] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0047] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.
[0048] The mesh fabric in the related technology can be used as a humidifying component of an evaporative humidifier, serving a water storage function. This mesh fabric includes a first surface layer, a second surface layer, and connecting fibers. The first and second surface layers are spaced apart, and multiple connecting fibers connect the first and second surface layers. This mesh fabric achieves its water absorption and storage effect through the gaps between the connecting fibers. The first and second surface layers serve as a substrate supporting the connecting fibers, and the mesh fabric does not rely on the first and second surface layers for water absorption and storage.
[0049] Specifically, the first and second surface layers have a first opening and a second opening for ventilation. Along the direction of the stacking of the first and second surface layers, a three-dimensional perforated structure is formed between the first and second openings. The connecting fibers are bent, meaning they bend towards the three-dimensional perforated structure between the first and second openings to partially fill the perforations. Thus, when air blows from the first opening to the second opening, it carries away moisture from the gaps between the connecting fibers, thereby achieving a humidifying effect on the mesh fabric.
[0050] Because the connecting fibers are bent between the first and second layers, and the mesh fabric will deform during use, the degree of bending of the connecting fibers will become uncontrollable. The connecting fibers will further extend into the perforated structure, thereby squeezing the air passage area within the perforated structure. This will make it easier for a water film to form within the perforated structure. After the water film is formed, the ventilation resistance (wind resistance) of the mesh fabric will increase, and the ventilation and humidification will decrease.
[0051] To improve the water storage capacity of the related technical mesh, attempts have been made to increase the opening area of the first and second openings, aiming to increase the airflow within the pore structure and reduce water film formation. However, due to the curved design of the connecting fibers, the stiffness is relatively low. As the opening area of the first and second openings increases, the overall stiffness and rigidity of the mesh decrease, its resilience deteriorates, and misalignment between the first and second openings is likely to occur, further reducing the airflow within the pore structure and thus failing to effectively increase the water storage capacity of the mesh.
[0052] Furthermore, with the increased wind resistance of the mesh fabric, the humidifier needs to be configured with a higher wind speed to overcome the higher wind pressure loss when the mesh fabric is wet in order to achieve a better humidification effect, which will reduce the energy efficiency ratio of the humidifier.
[0053] Based on this, embodiments of this application provide a fiber mesh fabric with strong water storage capacity and less tendency to form a water film, thereby improving the excellent humidification performance of the fiber mesh fabric.
[0054] like Figures 1 to 3 As shown, this application embodiment provides a fiber mesh fabric 100, which can be used to make a woven fabric 200. The woven fabric 200 can be applied to a humidification device and used as a wet curtain in the humidification device. When the airflow disturbed by the fan in the humidification device blows across the wet woven fabric 200, the moisture on the woven fabric 200 flows into the indoor environment with the airflow, thereby increasing the air humidity in the indoor environment.
[0055] like Figure 1 As shown, the fiber mesh 100 includes a first surface layer 10 and a second surface layer 20, which are spaced apart. The direction in which the first surface layer 10 and the second surface layer 20 are spaced apart is a first direction, or it can be understood as the first surface layer 10 and the second surface layer 20 being spaced apart along the first direction.
[0056] When the fiber mesh 100 is laid flat, that is, when the first surface layer 10 and the second surface layer 20 are unfolded, the first direction can be perpendicular or approximately perpendicular to the direction of the first surface layer 10 and the second surface layer 20.
[0057] The first surface layer 10 can be a fabric woven from yarn 40. Multiple first openings 11 can be provided on the first surface layer 10. The first openings 11 are used for airflow. The interior of the first opening 11 is hollow, and the edge contour of the first opening 11 is a structure woven from yarn 40. Adjacent first openings 11 can share a portion of their edge contour.
[0058] The second layer 20 can be a fabric woven from yarn 40. Multiple second openings 21 can be provided on the second layer 20. The second openings 21 are used for airflow. The interior of the second opening 21 is hollow, and the edge contour of the second opening 21 is a structure woven from yarn 40. Adjacent second openings 21 can share a portion of their edge contour.
[0059] like Figure 2 and Figure 3 As shown, the first opening 11 and the second opening 21 are correspondingly arranged along the first direction. That is, the projections of the first opening 11 and the second opening 21 onto the first direction can overlap or approximately overlap. The corresponding arrangement of the first opening 11 and the second opening 21, combined with the spacing of the first surface layer 10 and the second surface layer 20 along the first direction, can be understood as forming a perforated structure for ventilation between the first opening 11 and the second opening 21.
[0060] It is understandable that the first opening 11 and the second opening 21 are set in a corresponding manner, so that the ventilation area of the hole structure can be maximized without changing the shape and size of the first opening 11 and the second opening 21, thereby reducing the wind resistance of the fiber mesh 100 when it is wet.
[0061] Connecting fibers 30 are connected between the outlines of the first opening 11 and the corresponding second opening 21. Each pair of first openings 11 and second openings 21 is connected by connecting fibers 30, thereby achieving the connection between the first surface layer 10 and the second surface layer 20.
[0062] like Figure 3 As shown, the first opening 11 and / or the second opening 21 are projected along the first direction to form an opening projection area A. That is, the first opening 11 and the second opening 21 are projected in a direction perpendicular to the first surface layer 10 and the second surface layer 20. Regardless of whether the first opening 11 or the second opening 21 can form the same or nearly the same opening projection area A, the projections formed by the first opening 11 and the second opening 21 coincide or are approximately coincident.
[0063] It is particularly important to note that the projection of the connecting fiber 30 along the first direction in this embodiment of the application is located outside the projection area A of the opening. That is, as Figure 3 As shown, the connecting fiber 30 does not extend into the perforated structure between the first opening 11 and the second opening 21. When viewed from the first direction, or when observing the fiber mesh 100 from above the first surface layer 10 or the second surface layer 20, the connecting fiber 30 is not visible from the first opening 11 or the second opening 21. Since the fiber mesh 100 does not rely on the connecting fiber 30 as a water-absorbing fiber, and the connecting fiber 30 does not extend into the perforated structure between the first opening 11 and the second opening 21, the perforated structure has sufficient airflow. When airflow blows across the moist fiber mesh 100, the airflow has a larger gas-liquid contact area with the first surface layer 10 and the second surface layer 20, but less contact with the connecting fiber 30. This makes it easier for the moisture in the fiber mesh 100 to vaporize, resulting in a larger humidification capacity.
[0064] In related technologies, the connecting fibers 30 in the mesh fabric are bent, which causes the connecting fibers 30 to lose their stiffness in the vertical direction. However, in the fiber mesh fabric 100 of this application embodiment, the connecting fibers 30 do not primarily bear the function of water absorption and storage, and do not need to extend into the hole structure between the first opening 11 and the second opening 21 to contact the airflow. Therefore, the connecting fibers 30 in this application can be connected almost vertically between the first surface layer 10 and the second surface layer 20, giving the connecting fibers 30 a certain degree of stiffness and further improving the deformation resistance of the fiber mesh fabric 100.
[0065] It should be noted that since the connecting fiber 30 does not need to extend into the perforated structure between the first opening 11 and the second opening 21, it does not encroach on the area of the first opening 11, the second opening 21, and the perforated structure. Therefore, the space within the perforated structure can be minimized by the connecting fiber 30, thereby reducing the likelihood of the formation of a tiny water film and allowing the fiber mesh 100 to have suitable ventilation. Humidification equipment using the fiber mesh 100 does not require higher airflow, thus improving the energy efficiency ratio of the humidification equipment. It is understandable that if a large number of tiny water films are generated on the mesh, the ventilation resistance of the mesh will increase dramatically, the ventilation capacity of the mesh will decrease, and the humidification performance of the mesh will decrease accordingly, resulting in a lower energy efficiency ratio for the humidifier using the mesh.
[0066] Furthermore, in related technologies, to improve the water storage performance of the mesh and prevent the connecting fibers 30 from bending and extending into the porous structure to generate tiny water films, the only way to reduce the generation of tiny water films is to increase the area of the first opening 11 and the second opening 21. However, increasing the area of the first opening 11 and the second opening 21 results in a looser mesh structure that is more easily deformed. In contrast, the fiber mesh 100 provided in this application embodiment does not require the connecting fibers 30 to bend and extend into the porous structure, thus eliminating the need to expand the area of the first opening 11 and the second opening 21. This not only makes the structure of the first surface layer 10 and the second surface layer 20 more compact, giving the fiber mesh 100 better resistance to deformation, but also allows for a further increase in the fiber density of the first surface layer 10 and the second surface layer 20, further improving the water storage performance of the fiber mesh 100.
[0067] Thus, in the fiber mesh fabric 100 provided in this embodiment, the first surface layer 10 and the second surface layer 20 serve as absorbent and water-retaining fabrics, and the connecting fiber 30 is used to connect the first surface layer 10 and the second surface layer 20. Since the fiber mesh fabric 100 does not rely on the connecting fiber 30 for water storage, the connecting fiber 30 does not need to bend and extend into the pore structure formed between the first opening 11 and the second opening 21 to exchange gas and liquid with the airflow. This allows the connecting fiber 30 to have sufficient stiffness, giving the fiber mesh fabric 100 good resistance to deformation; it also reduces the risk of small water films easily generated due to the bending of the connecting fiber 30, giving the fiber mesh fabric 100 suitable wind resistance; furthermore, it increases the fiber density of the first surface layer 10 and the second surface layer 20, thereby improving the overall water storage and hydrophilic properties of the fiber mesh fabric 100.
[0068] It should be noted that one difference between the fiber mesh 100 provided in this embodiment and the mesh fabrics in related technologies is that the hydrophilicity of the first surface layer 10 and the second surface layer 20 of the fiber mesh 100 provided in this embodiment is greater than that of the connecting fiber 30. That is, for the fiber mesh 100 of this embodiment, the first surface layer 10 and the second surface layer 20 are responsible for water absorption and storage, rather than relying on the connecting fiber 30 for water storage. The connecting fiber 30 is used to connect the first surface layer 10 and the second surface layer 20 and to support them between the first surface layer 10 and the second surface layer 20, so that the fiber mesh 100 maintains a stable structural shape.
[0069] Hydrophilicity refers to the water retention or absorption properties of fibers or yarns. Hydrophilicity can be quantified by the contact angle formed by a water droplet on a material surface.
[0070] In some embodiments, such as Figure 4 As shown, the projection of the connecting fiber 30 into the first direction lies on the outline of the first opening 11 and the second opening 21.
[0071] As described above, the first opening 11 and the second opening 21 are hollow, ring-like structures woven from yarn 40, meaning that the outlines of the first opening 11 and the second opening 21 are woven from yarn 40. Two adjacent first openings 11 can share at least a portion of their outlines, and adjacent second openings 21 can also share at least a portion of their outlines. The projection of the connecting fiber 30 into the first direction lies on the outlines of the first opening 11 and the second opening 21, ensuring that the connecting fiber 30 does not enter the interior of either of the two adjacent hole structures, and that the connecting fiber 30 does not obstruct each set of first openings 11 and second openings 21. This keeps the wind resistance of the fiber mesh 100 within a controllable range in a humid state.
[0072] In some embodiments, such as Figure 4 As shown, the first surface layer 10 also includes a plurality of first connecting portions 110. Each first connecting portion 110 can be understood as a tiny connecting unit woven from the yarn 40, and the first surface layer 10 is essentially woven from a plurality of first connecting portions 110 connected together. The plurality of first connecting portions 110 connect and enclose the aforementioned first opening 11. That is, the plurality of first connecting portions 110 connect to form the outline of the first opening 11. The projection of the connecting fiber 30 into the first direction lies on the outline of the first opening 11, that is, the projection of the connecting fiber 30 into the first direction lies on or within the first connecting portion 110, preventing the connecting fiber 30 from extending into the spaces of two adjacent sets of holes, thereby improving the ventilation of the fiber mesh 100.
[0073] In some embodiments, such as Figure 4As shown, the second surface layer 20 also includes a plurality of second connecting portions 210. Each second connecting portion 210 can be understood as a tiny connecting unit woven from the yarn 40, with the plurality of second connecting portions 210 surrounding and weaving the aforementioned second opening 21. The plurality of second connecting portions 210 connect to form the outline of the aforementioned second opening 21. The projection of the connecting fiber 30 in the second direction lies on the outline of the second opening 21, that is, the projection of the connecting fiber 30 in the second direction lies on or within the second connecting portion 210, preventing the connecting fiber 30 from extending into the spaces of two adjacent sets of holes, thus improving the ventilation of the fiber mesh 100.
[0074] like Figure 4 As shown, a first mesh 111 is formed at the connection point of adjacent first connecting portions 110, and the first mesh 111 is used for the connecting fiber 30 to extend and extend. Similarly, a second mesh 211 is formed at the connection point of adjacent second connecting portions 210, and the second mesh 211 is used for the connecting fiber 30 to extend and extend. The connecting fiber 30 can enter and exit through a first mesh 111, and after extending out of the first mesh 111, the connecting fiber 30 can extend along a first direction and enter a second mesh 211, and then extend out of the second mesh 211 and enter the next first mesh 111, thus connecting the first surface layer 10 and the second surface layer 20 in a cyclical manner.
[0075] In some embodiments, the connecting fiber 30 includes a plurality of fiber segments 301. Specifically, the plurality of fiber segments 301 are connected to form an integral structure, that is, the plurality of fiber segments 301 are connected to form the connecting fiber 30.
[0076] like Figure 2 As shown, multiple fiber segments 301 can be located between the first surface layer 10 and the second surface layer 20. The connecting fiber 30 enters and exits once through a first mesh 111 and once through a second mesh 211, which is equivalent to two fiber segments 301 extending from the first mesh 111 and two fiber segments 301 extending from the second mesh 211. That is, the connecting fiber 30 only passes through a single first mesh 111 or second mesh 211 once, reducing the number of times the connecting fiber 30 passes through the first mesh 111 and the second mesh 211. The structure of the fiber mesh 100 is simple and easy to manufacture.
[0077] In related technologies, since the connecting fibers 30 are used for water absorption and storage, they need to be densely arranged between the first surface layer 10 and the second surface layer 20. Only by increasing the density of the connecting fibers 30 can the water storage capacity of the mesh be improved. Therefore, multiple connecting fibers 30 need to pass through the first mesh opening 111 or the second mesh opening 211, thereby increasing the number of segments of the connecting fibers 30 connected between the first opening 11 and the second opening 21, resulting in hundreds of segments of the connecting fibers 30, making the processing technology of the mesh more complex. However, the fiber mesh 100 of this application embodiment does not rely on the connecting fibers 30 for water absorption and storage. Therefore, the density of the connecting fibers 30 between the first surface layer 10 and the second surface layer 20 can be further reduced, simplifying the processing technology of the fiber mesh 100 and further reducing costs. At the same time, since the density of the connecting fibers 30 is significantly reduced, it is less likely for tiny water films to form between the connecting fibers 30, thereby reducing the unnecessary wind resistance generated by the wet fiber mesh 100.
[0078] In some embodiments, the outline of the first opening 11 includes 8 to 40 first connecting portions 110.
[0079] The number of first connecting portions 110 forming the first opening 11 can be greater than or equal to eight. Eight or more first connecting portions 110 can increase the gas-liquid exchange area when the airflow passes through the first opening 11, thereby improving the overall permeability and water storage capacity of the first surface layer 10. However, if the number of first connecting portions 110 forming the first opening 11 is less than eight, the woven first opening 11 may be too sparse, resulting in a reduced gas-liquid exchange area between the airflow and the first opening 11, thus failing to form an effective water storage effect within the first surface layer 10.
[0080] The number of first connecting portions 110 forming the first opening 11 can be less than or equal to 40. This allows the first surface layer 10 to maintain a certain level of water absorption while also possessing good water storage and air permeability. If the number of first connecting portions 110 forming the first opening 11 exceeds 40, the fiber structure inside the first surface layer 10 may become too dense, restricting the penetration and diffusion of moisture. This could cause the first surface layer 10 to become too thick after absorbing water, thereby increasing the wind resistance of the fiber mesh 100 in a wet state.
[0081] In some embodiments, the outline of the second opening 21 includes 8 to 40 second connecting portions 210.
[0082] The reason for configuring the number of second connecting parts 210 on the second opening 21 to be between 8 and 40 is the same as the reason for configuring the number of second connecting parts 210 on the first opening 11 to be between 8 and 40, and will not be repeated here.
[0083] In some embodiments, such as Figure 5 As shown, both the first surface layer 10 and the second surface layer 20 are woven from yarn 40. The yarn 40 may include multiple first fiber filaments 401, and gaps capable of storing water can be formed between the multiple first fiber filaments 401, thereby improving the water absorption of the first surface layer 10 and the second surface layer 20.
[0084] In some embodiments, the connecting fiber 30 can be a single fiber filament. The connecting fiber 30 can have a certain stiffness, thereby improving the supporting performance of the connecting fiber 30.
[0085] In this embodiment, the connecting fiber 30 is made of a relatively thick single fiber filament, and the diameter of the connecting fiber 30 can be relatively thicker than that of the first fiber filament 401, thereby giving the connecting fiber 30 a certain degree of stiffness to support the first surface layer 10 and the second surface layer 20. At the same time, since the connecting fiber 30 is made of a single fiber filament, its water absorption is weaker than that of the first surface layer 10 and the second surface layer 20, thus reducing the cost of the connecting fiber.
[0086] In some embodiments, such as Figure 6 As shown, the diameter of the connecting fiber 30 can be D1, where 20μm≤D1≤100μm.
[0087] D1 > 20μm, which can give the connecting fiber 30 sufficient support, so that the connecting fiber 30 forms a stable connection between the first surface layer 10 and the second surface layer 20, and is not easily broken or deformed by external force.
[0088] D1≤100μm ensures that the connecting fiber 30 is not too thick, and that adjacent connecting fibers 30 are not too close to easily generate a tiny water film, thereby reducing the wind resistance when the airflow passes through the fiber mesh 100.
[0089] In some embodiments, the weight of the yarn 40 over a length of 9000 meters ranges from 30 grams to 300 grams. The number of first filaments 401 in a single yarn 40 ranges from 18 to 500. By limiting the fineness of the yarn 40 and the number of first filaments 401 in the yarn 40, the first surface layer 10 and the second surface layer 20 woven from the yarn 40 have good water absorption and mechanical properties, and a stable structure.
[0090] Denier (D) is a measure of fiber fineness, referring to the weight in grams of 9000 meters of yarn. A higher D number indicates a thicker yarn. Filament (F) is the number of fibers in each yarn.
[0091] For example, the yarn 40 used in the first layer 10 and the second layer 20 can be 150D / 144F polyester. 150D means that 9000 meters of yarn 40 weighs 150 grams. The yarn 40 is composed of 144 fine fibers. Conventional blending processes can be used to manufacture the yarn 40, employing monofilament polyester fibers with cross-shaped or triangular cross-sections and embedding graphene antibacterial agents.
[0092] For example, the yarn 40 used in the first layer 10 and the second layer 20 can be 150D / 96F polyester. 150D means that 9000 meters of yarn 40 weighs 150 grams. The yarn 40 is composed of 96 fine fibers. Conventional blending processes can be used to manufacture the yarn 40, employing monofilament polyester fibers with cross-shaped or triangular cross-sections and embedding graphene antibacterial agents.
[0093] For example, the yarn 40 used in the first layer 10 and the second layer 20 can be 300D / 96F polypropylene. 300D means that 9000 meters of yarn 40 weighs 300 grams. The yarn 40 is composed of 96 fine fibers. Conventional blending processes can be used to manufacture the yarn 40, employing monofilament polypropylene fibers with triangular cross-sections and embedding graphene antibacterial agents.
[0094] In order to further improve the water absorption of the first surface layer 10 and the second surface layer 20, in some embodiments, at least a portion of the surface of the first fiber filament 401 has a water storage tank 402. The water storage tank 402 on the surface of the first fiber filament 401 can store more water, thereby improving the water absorption and water storage capacity of the first surface layer 10 and the second surface layer 20.
[0095] At least a portion of the surface of the first fiber filament 401 has a water storage tank 402. This can be a situation where a portion of the first fiber filament 401 has a water storage tank 402 while another portion of the first fiber filament 401 does not, or where the surface of all the first fiber filaments 401 has a water storage tank 402.
[0096] In some embodiments, the warp density of the fiber mesh 100 is E1, wherein 16 threads / inch ≤ E1 ≤ 50 threads / inch.
[0097] The warp density of the fiber mesh 100 refers to the density of warp yarns per unit length. The warp yarns may include first fiber filaments 401 and connecting fiber filaments 30. E1 ≥ 16 warp yarns / inch ensures a sufficiently dense distribution of warp yarns within the fiber mesh 100 to maintain the stability and stiffness of its overall structure, mitigating the problem of easy deformation or damage to the fiber mesh 100 caused by excessively sparse warp yarns.
[0098] While ensuring the structural stability of the fiber mesh 100, an E1 of ≤ 50 yarns / inch also reduces the processing complexity and increased costs associated with excessively high warp density. Furthermore, the moderate warp density reduces the risk of airflow being obstructed by overly dense fibers, thus maintaining good ventilation performance of the fiber mesh 100, allowing air and moisture to pass through it smoothly.
[0099] In some embodiments, the weft density of the fiber mesh 100 is E2, wherein 14 threads / inch ≤ E2 ≤ 45 threads / inch.
[0100] The weft density of the fiber mesh 100 refers to the density of weft yarns per unit length, wherein the weft yarns may include the first fiber filament 401 and the connecting fiber filament 30. When E2 > 14 yarns / inch, the structural support performance of the fiber mesh 100 is improved, preventing the fiber mesh 100 from being excessively stretched or deformed under stress, while also facilitating moisture evaporation and maintaining the softness of the fiber mesh 100.
[0101] With E2≤45 threads / inch, the structural integrity and durability of the fiber mesh 100 are maintained while reducing the increased processing difficulty and cost caused by excessively high density.
[0102] In some embodiments, the first opening 11 and the second opening 21 are polygons. A polygon can be a rectangle, a square, a hexagon, etc. A hexagon can be a regular hexagon or a non-regular hexagon.
[0103] It should be noted that since the first opening 11 is woven from yarn 40, when the first opening 11 has a polygonal structure, it refers to an approximate polygonal structure. For example... Figure 7 As shown, this application uses a hexagonal shape as an example to illustrate the concept.
[0104] like Figure 9 As shown, the first opening 11 and the second opening 21 are constructed as a hexagonal-like structure, which can improve the overall mechanical properties of the first surface layer 10 and the second surface layer 20, making them less prone to deformation. Furthermore, due to the presence of the corners, the hexagonal first opening 11 and the second opening 21 are less likely to form tiny water films inside. For ease of explanation, this application uses the hexagonal first opening 11 and the second opening 21 as examples.
[0105] In some embodiments, such as Figure 7 As shown, the long diagonal of the first opening 11 and the second opening 21 is the longest diagonal of the polygon, and the short diagonal of the first opening 11 and the second opening 21 is the shortest diagonal of the polygon.
[0106] Optionally, the length of the long diagonal is L1, where 2mm≤L1≤7mm, and the length of the short diagonal is L2, where 2mm≤L2≤6mm.
[0107] By defining the long and short diagonals of the first opening 11 and the second opening 21, the first opening 11 and the second opening 21 can have suitable opening areas, thereby enabling the fiber mesh 100 to have better humidification and wind resistance.
[0108] If the long diagonal and short diagonal of the first opening 11 and the second opening 21 are too long, for example, L1 > 7mm or L2 > 6mm, the opening area of the first opening 11 and the second opening 21 will also increase accordingly. The structure of the first surface layer 10 and the second surface layer 20 will become loose, the hardness of the fiber mesh 100 will be difficult to control, and the recovery effect of the fiber mesh 100 after being stretched will also decrease accordingly.
[0109] Conversely, if the long diagonal and short diagonal of the first opening 11 and the second opening 21 are too short, for example, L1 < 2mm or L2 < 2mm, the opening area of the first opening 11 and the second opening 21 will be reduced. Since the smaller the opening, the easier it is to generate a water film, the smaller the first opening 11 and the second opening 21 will easily generate a tiny water film, causing the ventilation pressure loss of the wet fiber mesh 100 to increase sharply.
[0110] Therefore, by limiting the lengths of the long and short diagonals of the first opening 11 and the second opening 21 to a suitable range, the structure of the first surface layer 10 and the second surface layer 20 can be made compact and have a suitable yarn density 40, thereby giving the fiber mesh 100 good water absorption. It can also reduce the risk of forming a tiny water film at the first opening 11 and the second opening 21, which would reduce the ventilation performance of the fiber mesh 100.
[0111] For example, the length of the long diagonal L1 of the first opening 11 and the second opening 21 can be 5 mm, and the length of the short diagonal L2 of the hexagonal shape can be 3 mm.
[0112] For example, the length of the long diagonal L1 of the first opening 11 and the second opening 21 can be 4.5 mm, and the length of the short diagonal L2 of the hexagonal shape can be 3.5 mm.
[0113] In some embodiments, such as Figure 8 and Figure 10 As shown, the first opening 11 and the second opening 21 are elliptical. The elliptical structure of the first opening 11 and the second opening 21 has relatively smooth edges, which can effectively prevent moisture from accumulating at the first opening 11 and the second opening 21, so as to minimize the formation of water film and reduce the ventilation pressure loss caused by water film formation.
[0114] Optionally, the length of the major axis of the first opening 11 and the second opening 21 is L3, where 2.5mm≤L3≤9mm, and the length of the minor axis is L4, where 2mm≤L4≤7mm.
[0115] By defining the major and minor axes of the first opening 11 and the second opening 21, the first opening 11 and the second opening 21 can have suitable opening areas, thereby enabling the fiber mesh 100 to have better humidification and wind resistance.
[0116] If the major and minor axes of the first opening 11 and the second opening 21 are too long, for example, L3 > 9 mm or L4 > 7 mm, the opening area of the first opening 11 and the second opening 21 will also increase accordingly. The structure of the first surface layer 10 and the second surface layer 20 will become loose, the hardness of the fiber mesh 100 will be difficult to control, and the recovery effect of the fiber mesh 100 after being stretched will also decrease accordingly.
[0117] Conversely, if the major and minor axes of the first opening 11 and the second opening 21 are too short, for example, L3 < 2.5 mm or L4 < 2 mm, the opening area of the first opening 11 and the second opening 21 will be reduced. Since a smaller opening makes it easier to generate a water film, an excessively small first opening 11 and the second opening 21 will easily generate a tiny water film, causing a sharp increase in the ventilation pressure loss of the wet fiber mesh 100.
[0118] Therefore, by limiting the lengths of the major and minor axes of the first opening 11 and the second opening 21 to a suitable range, the structure of the first surface layer 10 and the second surface layer 20 can be made compact and have a suitable yarn density 40, thereby giving the fiber mesh 100 good water absorption. It can also reduce the risk of forming a tiny water film at the first opening 11 and the second opening 21, which would reduce the ventilation performance of the fiber mesh 100.
[0119] For example, the length of the major axis L3 of the first opening 11 and the second opening 21 can be 6 mm, and the length of the minor axis L4 of the hexagonal shape can be 4 mm.
[0120] For example, the length of the major axis L3 of the first opening 11 and the second opening 21 can be 4.5 mm, and the length of the minor axis L4 of the hexagonal shape can be 3.5 mm.
[0121] In some embodiments, such as Figure 3 As shown, the thickness of the fiber mesh 100 is W1, where 1.5mm < W1 < 8mm.
[0122] It should be noted that in the mesh fabric of the related technology, the connecting fibers 30 are bent and extend into the hole structure formed by the first opening 11 and the second opening 21. In order to increase the contact area between the connecting fibers 30 and the airflow, the connecting fibers 30 need to have sufficient length along the spacing direction of the first surface layer 10 and the second surface layer 20. This results in a relatively thick mesh fabric, with the thickness of a single layer of mesh fabric in the related technology typically exceeding 8 mm. When multiple layers of mesh fabric are stacked to form the woven fabric 200, the overall thickness of the woven fabric 200 is typically exceeding 25 mm.
[0123] The fabric 200 provided in this application embodiment does not rely on the connecting fiber 30 for water absorption and storage. Therefore, the length of the connecting fiber 30 along the first direction can be set to be shorter, thereby reducing the overall thickness of the fiber mesh 100. As a result, the overall thickness of the fabric 200 made from the fiber mesh 100 is thinner, making it suitable for more miniaturized humidification devices.
[0124] A W1 > 1.5 mm improves the filtration efficiency and mechanical strength of the fiber mesh 100, while also making it thinner and lighter than traditional mesh fabrics. A W1 < 8 mm reduces the overall thickness of the fabric 200 while maintaining the filtration performance and structural stability of the fiber mesh 100.
[0125] Specifically, the thickness W1 of the fiber mesh 100 can be 2mm, 3mm, 4mm, 5mm, 6mm or 7mm.
[0126] In conjunction with the above embodiments, the requirements for the shape and size of the first opening 11 / second opening 21 in the fiber mesh 100, the thickness of the fiber mesh 100, and the water absorption and storage characteristics of the first surface layer 10 and the second surface layer 20 woven by the yarn 40 in the fiber mesh 100 of this application embodiment are discussed. Table 1 shows the water absorption ratio test results for the fiber mesh 100. The experiments included Embodiments 1 and 2 of the fiber mesh 100 provided in this application embodiment, as well as Comparative Example 1 in the related art. In Comparative Example 1, the fabric 200 includes two layers of mesh, and the connecting fibers 30 of each layer are bent and extend into the hole structure between the first opening 11 and the second opening 21. Comparative Example 1 may also have a first opening 11 and a second opening 21 similar to those of the fiber mesh 100 in the embodiments of this application.
[0127] The measurement standard used in the water absorption ratio test is to immerse the fabric 200 / fiber mesh 100 in water for 5 minutes, take out the fabric 200 / fiber mesh 100 and hang it for 2 minutes before weighing it to obtain the total weight of the fabric 200 and the absorbed water.
[0128] Water absorption ratio = (Weight of fabric after water absorption 200 / Weight of fiber mesh 100 and total weight of absorbed water - Weight of fabric before water absorption 200) / Weight of fabric before water absorption 200.
[0129] Table 1
[0130]
[0131] Referring to Table 1, it is shown that under the condition that the shapes and sizes of the first opening 11 and the second opening 21 are similar, the water absorption ratio of the fiber mesh fabric 100 provided in Embodiments 1 and 2 of this application is much greater than that of Comparative Example 1. That is, the water absorption ratio achieved by the fiber mesh fabric 100 provided in this application through the absorption and storage of water by the first surface layer 10 and the second surface layer 20 is much higher than that achieved by Comparative Example 1 through the absorption and storage of water by the connecting fiber 30. The fact that the fiber mesh fabric 100 in this application does not rely on the connecting fiber 30 for water absorption and storage does not affect its water absorption; on the contrary, it further improves the water absorption of the fiber mesh fabric 100.
[0132] Meanwhile, when the fiber mesh 100 provided in this application embodiment achieves a high water absorption ratio, its thickness is also significantly reduced. For example, in Embodiment 1 and Embodiment 2, the water absorption ratio of the fiber mesh 100 reaches 3.0 and 3.1, but its thickness is much lower than that of the mesh in Comparative Example 1, which improves the performance of the fiber mesh 100.
[0133] like Figures 11 to 13 As shown, this application embodiment also provides a fabric 200, which includes multiple layers of fiber mesh 100 as provided in any of the above embodiments. Since the fabric 200 includes fiber mesh 100, the beneficial effects of the fiber mesh 100 already explained will not be repeated in this application embodiment.
[0134] The multi-layered fiber mesh 100 in the fabric 200 are stacked together along a first direction. When the multi-layered fiber mesh 100 is stacked, the multi-layered fiber mesh 100 are staggered along a second direction.
[0135] The second direction can be a direction perpendicular to the first direction, that is, the second direction can be the tiling direction of the first surface layer 10 and the second surface layer 20.
[0136] The projected areas of the openings in the multi-layer fiber mesh 100 at least partially overlap to increase the gas-liquid exchange area of the fabric 200. The first direction and the second direction are respectively... Figure 12 The X and Y directions are shown in the figure.
[0137] Specifically, such as Figure 12As shown, since the pair of first openings 11 and second openings 21 of each layer of fiber mesh 100 are correspondingly arranged along the first direction, the projection areas A of multiple openings at least partially overlap, forming an overlapping area A1. This is equivalent to the first openings 11 of the multiple layers of fiber mesh 100 being misaligned along the second direction. That is, when viewing from the first direction, or when observing the fabric 200 from above the first surface layer 10 or the second surface layer 20, the first surface layer 10 or the second surface layer 20 of the lower layer of fiber mesh 100 can be observed through the first opening 11 or the second opening 21 of the outermost layer of fiber mesh 100.
[0138] Thus, since the fiber mesh 100 in the fabric 200 of this application embodiment relies on the first surface layer 10 and the second surface layer 20 to absorb and store water, by staggering the multi-layer fiber mesh 100 along the second direction, when the airflow passes through the fabric 200, it can exchange gas and liquid with the first surface layer 10 and the second surface layer 20 of the outer fiber mesh 100, and then continue to exchange gas and liquid with the first surface layer 10 and the second surface layer 20 of the inner fiber mesh 100, thereby increasing the overall gas and liquid exchange area of the fabric 200 and thus increasing the humidification capacity of the fabric 200 in a wet state.
[0139] In some embodiments, such as Figure 13 As shown, the area of the opening projection region A formed by a first opening 11 of a layer of fiber mesh 100 is S1, and the total area of the multiple first connecting parts 110 of other layers of fiber mesh 100 projected into the opening projection region A is S2; the fiber overlap rate of the fabric 200 is B, B=S2 / S1, 0≤B≤95%.
[0140] Wherein, S1 is the area of the projection region A of the opening of a first opening 11 of any layer of fiber mesh 100. Since the multiple layers of fiber mesh 100 are staggered along the second direction, the projection region A of the opening of a single layer of fiber mesh 100 will contain the projection of the first connecting portion 110 / second connecting portion 210 in the first surface layer 10 / second surface layer 20. That is, the hole structure formed by a set of first openings 11 and second openings 21 of a single layer of fiber mesh 100 will be blocked by the first connecting portion 110 or second connecting portion 210 in other layers of fiber mesh 100. See details [link to documentation]. Figure 13The top view of the multi-layered mesh fabric viewed from the first direction shows that the total area of the shaded portion is S2. The shielding formed by these first connecting parts 110 / second connecting parts 210 increases the gas-liquid exchange area of the fabric 200. That is, when the airflow passes through the first surface layer 10 and the second surface layer 20 of a layer of fiber mesh fabric 100, it will not flow out of the fabric 200 directly, but will continue to flow through the multiple first connecting parts 110 in the first surface layer 10 and the multiple second connecting parts 210 in the second surface layer 20 of the next layer or several layers of fiber mesh fabric 100, thereby increasing the gas-liquid exchange area of the fabric 200.
[0141] It is understandable that the larger the gas-liquid exchange area of the fabric 200, the higher its humidification capacity. However, its wind resistance in a humid state will also increase accordingly, requiring it to be compatible with humidification devices with higher fan power. Conversely, the lower the overlap rate between the open projection areas of the multi-layer fiber mesh 100, the more suitable it is for humidification devices with lower fan power.
[0142] Thus, the fabric 200 provided in this embodiment can adjust the overlap rate of the projected areas of multiple openings of the multilayer fiber mesh 100 according to the power of the fan in the adapted humidification device. After determining the required overlap rate of the fabric 200, the multilayer fiber mesh 100 is sewn together to obtain a fabric 200 that balances wind resistance and humidification performance in a humid state.
[0143] This application embodiment uses a fabric 200 comprising three layers of fiber mesh 100 to illustrate the overlap rate. The three layers of fiber mesh 100 may include a first fiber mesh 100, a second fiber mesh 100, and a third fiber mesh 100 stacked along a first direction.
[0144] For example, such as Figure 13 As shown, the first fiber mesh 100a, the second fiber mesh 100b, and the third fiber mesh 100c each include a first surface layer 10a, a first surface layer 10b, and a first surface layer 10c, respectively. The first fiber mesh 100a, the second fiber mesh 100b, and the third fiber mesh 100c can be misaligned along a second direction. This causes the first connecting portion 110b of the second fiber mesh 100b and the first connecting portion 110c of the third fiber mesh 100c to partially fall into the projection area A of the opening 11a of the first fiber mesh 100. The total area (dashed line portion) of the first connecting portion 110b and the first connecting portion 110c falling into the first opening 11a of the first fiber mesh 100 is S2 = 20% * S1. Therefore, the overlap rate of the fabric 200 is B = S2 / S1 = 20%.
[0145] In some embodiments, the number of layers in the multilayer fiber mesh 100 is M, where 2≤M≤8.
[0146] M≥2. By increasing the number of layers of fiber mesh 100, the opening projection area A between different layers of fiber mesh 100 can overlap. Compared with a single-layer fiber mesh 100 fabric 200, a fabric 200 including multiple layers of fiber mesh 100 has higher humidification performance.
[0147] M≤8 can reduce the risk of excessive wind resistance in the woven fabric 200 when wet due to too many layers of fiber mesh 100, while also reducing the volume of the woven fabric 200, thus maintaining the miniaturization and portability of the humidification device.
[0148] In some embodiments, the thickness of the fabric 200 along the first direction is W2, wherein 6mm≤W2≤20mm.
[0149] As mentioned earlier, since the single-layer fiber mesh 100 can be made thinner, the multi-layered fabric 200 can also be made lighter and thinner, thus making it suitable for smaller humidification devices.
[0150] W2 > 6mm, which improves the humidification performance of fabric 200 and the gas-liquid exchange area of fabric 200.
[0151] W2≤20mm makes the fabric 200 thinner and lighter. Even with multiple layers of fiber mesh 100 stacked, the thickness of the fabric 200 is significantly thinner and lighter than the mesh thickness in related technologies (generally above 25mm).
[0152] Based on the above embodiments and referring to the experimental data in Table 2 below, the thickness W1 of the single-layer fiber mesh 100 is controlled between 1.5mm and 8.0mm. The first opening 11 or the second opening 21 is approximately hexagonal, with the long diagonal length L1 conforming to 2mm ≤ L1 ≤ 7mm, and the short diagonal length L2 conforming to 2mm ≤ L2 ≤ 6mm. The warp density E1 of the fiber mesh 100 is adjusted to conform to 16 threads / inch ≤ E1 ≤ 50 threads / inch, and the weft density E2 of the fiber mesh 100 is conforming to 14 threads / inch ≤ E2 ≤ 45 threads / inch. Simultaneously, the diameters of the first fiber filament 401 and the connecting fiber 30 are set according to the above embodiments. The resulting fabric 200, obtained by stacking multiple layers (N≥2) of fiber mesh 100, has a large humidification capacity.
[0153] Table 2
[0154]
[0155]
[0156] As shown in Table 2, factors such as the shape and size of the first opening 11 / second opening 21, the diameter of the connecting fiber 30, the diameter of the first fiber filament 401, and the weight of the fiber mesh 100 all affect the humidification capacity of the fabric 200. The fabrics 200 in Examples 1 and 2, which include two or more layers of fiber mesh 100, all possess good humidification capacity.
[0157] Based on the above embodiments and referring to the experimental data in Table 3 below, the thickness W1 of the single-layer fiber mesh 100 is controlled between 1.5mm and 8.0mm. The first opening 11 or the second opening 21 is in the form of a hexagon. The length of the long diagonal L1 of the hexagon meets the requirement of 2mm≤L1≤7mm, and the length of the short diagonal L2 of the hexagon meets the requirement of 2mm≤L2≤6mm. The warp density E1 of the fiber mesh 100 is adjusted to meet the requirement of 16 threads / inch≤E1≤50 threads / inch, and the weft density E2 of the fiber mesh 100 meets the requirement of 14 threads / inch≤E2≤45 threads / inch. At the same time, the diameter of the first fiber filament 401 and the connecting fiber 30 is set according to the above embodiments.
[0158] Table 3
[0159]
[0160]
[0161] As shown in Tables 2 and 3, the wind resistance of the fabric 200 increases with the number of layers of the fiber mesh 100. Specifically, the fabrics 200 in Examples 1 and 2, which include two layers of fiber mesh 100, exhibit significantly lower wind resistance than the fabric 200 in Comparative Example 1, which includes two layers of mesh. Furthermore, in Example 1, the fabric 200 includes five layers of fiber mesh 100, resulting in a total thickness of 15 mm. In Example 2, the fabric 200 includes three layers of fiber mesh 100, resulting in a total thickness of 13.5 mm. Even with a thickness close to the 18 mm thickness of the fabric 200 in Comparative Example 1, Examples 1 and 2 still exhibit lower wind resistance compared to Comparative Example 1.
[0162] Tables 1 to 3 above demonstrate that the fiber mesh 100 / woven fabric 200 provided in this application embodiment has a higher water absorption ratio, lower ventilation resistance, and greater humidification capacity compared to related technologies.
[0163] This application also provides a humidification device, which includes the fabric 200 provided in any embodiment of this application, or the fiber mesh 100 provided in any of the above embodiments. Since the humidification device includes the fiber mesh 100 or the fabric 200, the beneficial effects of the fiber mesh 100 and the fabric 200 that have already been explained will not be repeated in this application.
[0164] In some embodiments, the humidifying device includes a liquid supply assembly. The liquid supply assembly is used to supply liquid to the fabric 200. Exemplarily, the liquid supply assembly may include a water tank and a liquid supply line connected to the water tank, with the outlet of the liquid supply line facing the fabric 200, thereby wetting the fabric 200.
[0165] In some embodiments, the humidification device further includes a fan. The fan is used to agitate the airflow and direct the airflow across the fabric 200, causing the moisture on the fabric 200 to evaporate and flow with the airflow into the indoor environment, thereby humidifying the air.
[0166] In some embodiments, the rated speed of the fan is positively correlated with the fiber overlap ratio B of the fabric 200.
[0167] The rated speed of the fan in a humidifier varies. A lower rated fan speed, coupled with a higher fiber overlap rate in the fabric 200, will affect the airflow's gas-liquid exchange with the fabric 200, making it difficult for moisture to fully enter the indoor environment, thus impacting the humidification efficiency. Conversely, a higher rated fan speed, coupled with a lower fiber overlap rate in the fabric 200, may result in faster-moving airflow failing to achieve sufficient gas-liquid exchange with the fabric 200 before entering the indoor environment, similarly affecting the humidification efficiency. Therefore, the humidifier in this embodiment configures the fiber overlap rate B of the fabric 200 according to the fan's rated speed, ensuring a positive correlation between the fan's rated speed and the fiber overlap rate of the fabric 200, thereby optimizing the humidification effect.
[0168] In some embodiments, the rated speed of the fan is V1, and the overlap rate of the open projection area A of the multilayer fiber mesh 100 is B, wherein V1 ≤ 0.8 m / s, and 0% < B ≤ 20%.
[0169] Because the rated speed of the fan is relatively low, the airflow speed is usually slow when passing through the fabric 200. In order to make the gas-liquid exchange between the airflow and the fabric 200 more complete, 0% < B ≤ 20% can reduce the risk of airflow obstruction caused by the high overlap rate of the opening projection area A of the multi-layer fiber mesh 100. This makes the ventilation resistance of the fabric 200 relatively low, so that even a lower wind speed can pass through the fabric 200 smoothly, and the humidification equipment can achieve the ideal humidification effect.
[0170] In some embodiments, the rated speed of the fan is V1, and the overlap rate of the open projection area A of the multilayer fiber mesh 100 is B, wherein 0.8m / s < V1 ≤ 2m / s, and 20% < B < 70%.
[0171] Because the rated speed of the fan is moderate, the airflow speed is relatively fast when passing through the fabric 200. At this time, the overlap rate of the opening projection area A of 20% < B < 70% can appropriately increase the contact area between the airflow and the fabric 200 while maintaining a certain ventilation efficiency, promoting gas-liquid exchange, improving the humidification efficiency of the fabric 200, and reducing the risk of excessively high overlap rate causing excessive ventilation resistance of the fabric 200 and affecting airflow.
[0172] In some embodiments, the rated speed of the fan is V1, and the overlap rate of the open projection area A of the multilayer fiber mesh 100 is B, wherein V1 > 2 m / s and 70% ≤ B < 95%.
[0173] When the fan's rated speed is high, the airflow passes through the fabric 200 at a relatively faster speed. In this case, a higher overlap rate (70% ≤ B < 95%) is required to ensure sufficient contact time and area between the airflow and the fabric 200, achieving adequate gas-liquid exchange and the desired humidification effect. Although this may increase the ventilation resistance of the fabric 200, the high-speed airflow can overcome this resistance and improve the humidification effect of the humidification equipment.
[0174] The humidification device in this application embodiment was tested using the fabric 200 in Example 1 of the above experiment. The fabric 200 in Example 1 includes four layers of fiber mesh 100. The fiber overlap rate of the four layers of fabric 200 in Example 1 was adjusted to 50% and 80% respectively. Then, the fan was configured with four different speeds for the experiment.
[0175] Table 4
[0176]
[0177]
[0178] As shown in Table 4, when the fan speed of the humidifier is lower and the fiber overlap rate of fabric 200 is lower, the humidification capacity is higher compared to when the fiber overlap rate of fabric 200 is higher. Furthermore, the higher the fan speed, the higher the humidification capacity of the humidifier.
[0179] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
Claims
1. A fibrous web characterized in that, Comprise: a first surface layer comprising a plurality of first openings; a second surface layer spaced apart from the first surface layer along a first direction, the second surface layer comprising a plurality of second openings; a connecting fiber connecting the first openings and the second openings; wherein the first openings and the second openings are correspondingly arranged along the first direction, the first openings and / or the second openings project into an opening projection area along the first direction, and the connecting fiber is located outside the opening projection area.
2. The fiber mesh fabric according to claim 1, wherein: the water absorption of the connecting fiber is less than that of the first surface layer and the second surface layer.
3. The fiber mesh fabric according to claim 1, wherein: the projection of the connecting fiber along the first direction is located on the contour line of the first openings and the second openings.
4. The fiber mesh fabric according to claim 1, wherein: the first surface layer further comprises a plurality of first connecting portions, the plurality of first connecting portions connect and enclose the first openings, and adjacent first connecting portions form first mesh holes at the connecting portions; the second surface layer further comprises a plurality of second connecting portions, the plurality of second connecting portions connect and enclose the second openings, and adjacent second connecting portions form second mesh holes at the connecting portions; the connecting fiber passes through the first mesh holes and the second mesh holes to connect the first openings and the second openings.
5. The fiber mesh fabric according to claim 4, wherein: the connecting fiber comprises a plurality of fiber segments located between the first surface layer and the second surface layer, and each of the first mesh holes and the second mesh holes extends two fiber segments.
6. The fiber mesh fabric according to claim 4, wherein: the number of the first connecting portions included in the first openings ranges from 8 to 40; the number of the second connecting portions included in the second openings ranges from 8 to 40.
7. The fiber mesh fabric according to claim 1, wherein: the first openings and the second openings are polygons, the long diagonal line length of the polygon is L1, and the short diagonal line length of the polygon is L2, wherein 2mm≤L1≤7mm, 2mm≤L2≤6mm; and / or the first openings and the second openings are ellipses, the long axis length of the ellipse is L3, and the short axis length of the ellipse is L4, wherein 2.5mm≤L3≤9mm, 2mm≤L4≤7mm; and / or the thickness of the fiber mesh fabric is W1, wherein 1.5mmW1<8mm.
8. The fiber mesh fabric according to claim 1, wherein: the first surface layer and the second surface layer are formed by a weaving thread, the weaving thread comprises a plurality of first fiber filaments, and the connecting fiber is a single fiber filament.
9. The fiber mesh fabric according to claim 8, wherein: the weight of the weaving thread ranges from 30 grams to 300 grams per 9000 meters, and the number of the first fiber filaments is N, wherein 18≤N≤500; and / or at least part of the surface of the first fiber filaments comprises a water storage groove; and / or A diameter of the connecting fiber is D1, wherein 20 μm≤D1≤100 μm.
10. The fiber web cloth according to claim 8, wherein, A warp density of the fiber web cloth is E1, and a weft density of the fiber web cloth is E2, wherein 16 ends / inch≤E1≤50 ends / inch, and 14 ends / inch≤E2≤45 ends / inch.
11. A woven fabric characterized by, Comprising: A plurality of the fiber web cloth according to any one of claims 1 to 10, the plurality of the fiber web cloth being stacked along the first direction; The plurality of the fiber web cloth being misaligned along a second direction, so that a plurality of the open projection areas of the plurality of the fiber web cloth at least partially overlap.
12. The woven fabric according to claim 11, wherein, An area of an open projection area formed by a first opening of one of the fiber web cloth is S1, and a total area of a plurality of the first connecting portions of other layers of the fiber web cloth projected into the open projection area is S2; A fiber overlap rate of the woven fabric is B, B=S2 / S1, 0 13. The woven fabric according to claim 11, wherein, A number of layers of the plurality of the fiber web cloth is M, wherein 2≤M≤8; and / or A thickness of the woven fabric along the first direction is W2, wherein 6 mm≤W2≤20 mm.
14. A humidifying device, characterized by Comprising: The woven fabric according to any one of claims 11 to 13, or the fiber web cloth according to any one of claims 1 to 8; A liquid supply assembly for supplying liquid to the woven fabric; A fan capable of disturbing airflow so that the airflow passes through the woven fabric, a rated rotation speed of the fan being positively correlated with a fiber overlap rate B of the woven fabric.
15. The humidifying device according to claim 14, wherein, A rated rotation speed of the fan is V1, and a fiber overlap rate of the woven fabric is B; wherein V1≤0.8 m / s, and 0%<B≤20%; and / or 0.8 m / s