Warp-knitted single-needle-bed double-jacquard fabric and knitting process

By controlling the offset signal of a single-needle bed double Jacquard warp knitting machine, the precise design and efficient preparation of fabric moisture gradient zoning are realized, solving the problems of low production efficiency and high equipment complexity in existing technologies, and making it suitable for sportswear and other fields.

CN120797307APending Publication Date: 2025-10-17JIANGNAN UNIV
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Patent Information

Application Number
CN202511150710.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-18
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

It is difficult to achieve continuous gradient of moisture permeability and dynamic moisture management of high-performance sportswear in a single-layer fabric with existing technologies, and existing methods have low production efficiency or high equipment complexity.

Method used

Using a single-needle-bed double Jacquard warp knitting machine, different offset signals are received through two Jacquard combs to form a combination of mesh, weft insertion, and loop structure, thereby realizing the moisture gradient zoning of the fabric and creating a differentiated design of moisture-permeable and heat-insulating zones.

Benefits of technology

It achieves precise design and efficient preparation of fabric moisture gradient zones, with simplified process and customizable functions, and is suitable for sportswear and other fields.

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Abstract

The invention discloses a warp-knitted single-needle-bed double-jacquard fabric. The warp-knitted single-needle-bed double-jacquard fabric comprises a bottom layer supporting structure of the fabric, the effect layer is located above the base layer, two jacquard combs weave different weave structures according to preset patterns, and differential moisture gradient partitions are formed by adjusting offset signal combinations of the two jacquard combs. The method has the characteristics of simplified process, customizable functions and high production efficiency, and is suitable for the fields of sportswear and the like.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of warp knitting and knitting method, in particular to a warp single needle bed double-jacquard fabric and a knitting process. BACKGROUND

[0002] At present, the realization of fabric moisture gradient function in the field of warp knitting mainly depends on two kinds of technologies: one is through multi-layer fabric composite (such as hydrophilic layer / hydrophobic layer stacking process), which needs multiple weaving and lamination processes, and the production efficiency is low; the second is to use double needle bed warp knitting process to divide knitting, which can improve the air permeability, but the equipment complexity is high, the cost is high, and it is difficult to realize the continuous change of moisture permeability in single layer fabric. Therefore, the existing technology cannot meet the fine demand of dynamic humidity management of high-performance sportswear and other fabrics. SUMMARY

[0003] The problem solved by the present application is to provide a warp single needle bed double-jacquard fabric, which realizes the precise design and efficient preparation of fabric moisture gradient partition, has the characteristics of process simplification, function customization and high production efficiency, and is suitable for the field of sportswear.

[0004] In the first aspect, the present application provides a warp single needle bed double-jacquard fabric, characterized in that it comprises a bottom support structure of the fabric; the effect layer is located above the base layer, and different organizational structures are knitted by two jacquard combs according to a preset pattern, and by adjusting the offset signal combination of the two jacquard combs, a differential moisture gradient partition is formed.

[0005] Further, one of the jacquard combs forms three basic organizational structures of mesh structure, weft structure and loop structure by receiving different offset signals, and the other jacquard comb also forms three basic organizational structures of mesh structure, weft structure and loop structure by receiving different offset signals, and the three basic organizational structures knitted by the two jacquard combs are combined in pairs, and divided into moisture permeable area and warm keeping area according to the difference of moisture permeability.

[0006] Further, the moisture permeable area includes a high moisture permeable area, a medium moisture permeable area and a low moisture permeable area, the high moisture permeable area is integrally knitted by the mesh structure formed by one jacquard comb and the mesh structure formed by the other jacquard comb, the medium moisture permeable area is integrally knitted by the mesh structure formed by one jacquard comb and the weft structure formed by the other jacquard comb, and the low moisture permeable area is integrally knitted by the mesh structure formed by one jacquard comb and the loop structure formed by the other jacquard comb.

[0007] Further, the warm-keeping area comprises a high warm-keeping area, a medium warm-keeping area and a low warm-keeping area, the high warm-keeping area is integrally knitted by loop structure formed by one set of jacquard and loop structure formed by another set of jacquard, the medium warm-keeping area is integrally knitted by weft insertion structure formed by one set of jacquard and loop structure formed by another set of jacquard, and the low warm-keeping area is integrally knitted by weft insertion structure formed by one set of jacquard and weft insertion structure formed by another set of jacquard.

[0008] In a second aspect, the present application provides a knitting process of the warp-knitted single needle bed double-jacquard fabric, for knitting the above warp-knitted single needle bed double-jacquard fabric, characterized in that comprising the following steps, S1, using a single needle bed double-jacquard warp knitting machine, the warp knitting machine is provided with at least four guide bars, and the guide bar sequence is ground bar GB1, ground bar GB2, jacquard bar JB3 and jacquard bar JB4 in turn; S2, the ground bar GB1 and the ground bar GB2 adopt full penetration mode, the jacquard bar JB3 is configured as full machine number by two sets of half machine number jacquard bars JB3.1 and JB3.2 respectively configured as one empty and one penetration, one penetration and one empty, and the jacquard bar JB4 is configured as full machine number by two sets of half machine number jacquard bars JB4.1 and JB4.2 respectively configured as one empty and one penetration, one penetration and one empty; S3, the ground bar GB1 and the ground bar GB2 jointly knit the bottom support structure, the jacquard bar JB3 and the jacquard bar JB4 receive different offset signals to respectively generate three basic organizational structures of mesh structure, weft insertion structure and loop structure, and the differential moisture gradient partition is formed by adjusting the offset signal combination of the two sets of jacquard bars JB3 and JB4.

[0009] Further, the single needle bed double-jacquard warp knitting machine is provided with a Piezo jacquard system, the Piezo jacquard system can perform offset action at the front and back positions of the needle according to the received offset signal, the offset signal is divided into H signal and T signal, the H signal is non-offset signal, and the T signal is offset signal.

[0010] Further, in S3, the mesh structure is that one part of any one of the jacquard bars receives offset signal TT / TT / / , and the other part of the jacquard bar receives offset signal HH / HH / / , to form a diamond-shaped breathable mesh.

[0011] Further, in S3, the weft insertion structure is that any one of the jacquard bars receives offset signal HH / TT / / or TT / HH / / , to form a dense weft yarn layer.

[0012] Further, in S3, the loop structure is that any one of the jacquard bars receives offset signal TH / HT / / or TH / HT / / , to form a loop structure.

[0013] The warp-knitted single-bed double-Jacquard fabric and the warp-knitting process of the present application have the following advantages: the two ground combs are used to knit the base layer of the fabric, the two Jacquard combs are used to knit the integrated effect layer above the base layer, the two Jacquard combs are used to form six different moisture gradient zoning fabrics by presetting different patterns, and thus the precise design and efficient preparation of the moisture gradient zoning of the fabric can be realized, the process is simplified, the function is customizable, and the production efficiency is high, and the present application is suitable for the field of sportswear. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Three base weave structures and the lapping motion diagram formed by using one Jacquard comb for the present application; Figure 2 An example of a moisture gradient combination table formed by using two Jacquard combs for the present application; Figure 3 Six moisture gradient zoning fabrics formed by using two Jacquard combs for the present application; Figure 4 Another view of the six moisture gradient zoning fabrics formed by using two Jacquard combs for the present application; Figure 5 The present application Figure 1 The lapping motion diagram of the medium mesh structure (A); Figure 6 The sportswear knitted by using the present application; Explanation of reference signs: 1, gradient one; 2, gradient two; 3, gradient three; 4, gradient four; 5, gradient five; 6, gradient six; 7, base layer; ①, underarm area; ②, back area; ③, chest and abdomen area; ④, elbow area. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0016] Wherein, the same parts are denoted by the same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings of the present application, and the words "bottom" and "top", "inner" and "outer" refer to the directions towards or away from the specific parts. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can be explicitly or implicitly included one or more. In the description of the present application, the meaning of "multiple" is two or more.

[0017] The present application will be further described below in conjunction with the drawings and examples.

[0018] Embodiment 1 provides a warp-knitted single needle bed double-jacquard fabric, comprising a base layer and an effect layer knitted in one piece, wherein the base layer is knitted by the cooperation of ground comb GB1 and ground comb GB2 to form the bottom support structure of the fabric; and the effect layer is located above the base layer and knitted by jacquard comb JB3 and jacquard comb JB4 according to a preset pattern to form different stitch structures, and by adjusting the offset signal combination of the two jacquard combs JB3 and JB4, a differentiated moisture gradient partition is formed.

[0019] Compared with the existing fabric which needs to adopt multiple weaving and lamination processes, etc., resulting in low production efficiency, the fabric knitted by the present application adopts an integrated knitting process, and the jacquard combs JB3 and JB4 receive different offset signals to form a differentiated moisture gradient partition of the knitted fabric, thereby realizing accurate design and efficient preparation of the moisture gradient partition of the fabric, and having the characteristics of simplified process, customizable function and high production efficiency, and being suitable for the field of sportswear, etc.

[0020] Further, as shown in Figure 1 One jacquard comb JB3 forms three basic stitch structures of mesh structure A, weft insertion structure B and loop structure C by receiving different offset signals, and the other jacquard comb JB4 forms three basic stitch structures of mesh structure A, weft insertion structure B and loop structure C by receiving different offset signals, and the three basic stitch structures are combined in pairs, as shown in Figures 2 to 4 to form a fabric with six moisture gradients from gradient one to gradient six, which is divided into a moisture-permeable area and a warm-keeping area according to the difference in moisture permeability.

[0021] Specifically, the moisture-permeable region includes a high moisture-permeable zone, a medium moisture-permeable zone, and a low moisture-permeable zone. The high moisture-permeable zone (gradient one) is integrally knitted by a mesh structure formed by one set of carding combs and a mesh structure formed by another set of carding combs, for example, the high moisture-permeable zone is integrally knitted by a mesh structure formed by carding comb JB3 and a mesh structure formed by carding comb JB4. The medium moisture-permeable zone (gradient two) is integrally knitted by a mesh structure formed by one set of carding combs and a weft structure formed by another set of carding combs, for example, the medium moisture-permeable zone is integrally knitted by a mesh structure formed by carding comb JB3 and a weft structure formed by carding comb JB4. The low moisture-permeable zone (gradient three) is integrally knitted by a mesh structure formed by one set of carding combs and a loop structure formed by another set of carding combs, for example, the low moisture-permeable zone is integrally knitted by a mesh structure formed by carding comb JB3 and a loop structure formed by carding comb JB4.

[0022] Specifically, the warm-keeping region includes a high warm-keeping zone, a medium warm-keeping zone, and a low warm-keeping zone. The high warm-keeping zone (gradient six) is integrally knitted by a loop structure formed by one set of carding combs and a loop structure formed by another set of carding combs, for example, the high warm-keeping zone is integrally knitted by a loop structure formed by carding comb JB3 and a loop structure formed by carding comb JB4. The medium warm-keeping zone (gradient five) is integrally knitted by a weft structure formed by one set of carding combs and a loop structure formed by another set of carding combs, for example, the medium warm-keeping zone is integrally knitted by a weft structure formed by carding comb JB3 and a loop structure formed by carding comb JB4. The low warm-keeping zone (gradient four) is integrally knitted by a weft structure formed by one set of carding combs and a weft structure formed by another set of carding combs, for example, the low warm-keeping zone is integrally knitted by a weft structure formed by carding comb JB3 and a weft structure formed by carding comb JB4.

[0023] Embodiment 2 provides a knitting process of a warp-knitted single-needle-bed double-carding fabric, for knitting the above-described warp-knitted single-needle-bed double-carding fabric, characterized in that it comprises the following steps, S1, a single needle bed double-jacquard warp knitting machine equipped with a Piezo jacquard system is adopted, the warp knitting machine is configured with at least four guide bars, the guide bar sequence is ground bar GB1, ground bar GB2, jacquard bar JB3, jacquard bar JB4 in turn, the Piezo jacquard system can perform a bias movement at the needle front and needle back positions, the received bias signals are divided into H (no bias) and T (bias). The specific parameters are as follows, the model of the single needle bed double-jacquard warp knitting machine: RSJ4 / 2 type single needle bed warp knitting machine, gauge E24, width 140 inches, speed: 450 r / min, guide bar configuration GB1, GB2, JB3.1, JB3.2, JB4.1, JB4.2; finished product horizontal density 9.8 rows / cm, vertical density 14.5 columns / cm, wherein: the disc head equipped with GB1 is 520 roots*6, the disc head equipped with GB2 is 520 roots*6, the disc head equipped with JB3.1 is 260 roots*6, the disc head equipped with JB3.2 is 260 roots*6, the disc head equipped with JB4.1 is 260 roots*6, and the disc head equipped with JB4.2 is 260 roots*6.

[0024] S2, the ground bar GB1 and the ground bar GB2 adopt full penetration, the jacquard bar JB3 is configured into full gauge by two half-gauge jacquard bars JB3.1 and JB3.2 respectively one empty one penetration, one penetration one empty, the jacquard bar JB4 is configured into full gauge by two half-gauge jacquard bars JB4.1 and JB4.2 respectively one empty one penetration, one penetration one empty, the basic ground bar number of the two jacquard bars is two columns per cycle, which respectively represents odd column needle back transposition, odd column needle front ground bar, even column needle back transposition, and even column needle front ground bar.

[0025] Specifically, the ground bar GB1: 0.09mm transparent fish silk is penetrated, full penetration; The ground bar GB2: 0.09mm transparent fish silk is penetrated, full penetration; The jacquard bar JB3.1: 150D polyester low elastic yarn is penetrated, one penetration one empty; The jacquard bar JB3.2: 150D polyester low elastic yarn is penetrated, one empty one penetration; The jacquard bar JB4.1: 150D cationic polyester is penetrated, one penetration one empty; The jacquard bar JB4.2: 150D cationic polyester is penetrated, one empty one penetration.

[0026] S3, the ground bar GB1 and the ground bar GB2 are used to jointly knit the bottom support structure, as shown in Figure 4As shown, the support structure can be a loop structure or a weft insertion structure, and can specifically adopt ground comb GB1 to weave plain weave, and the weft insertion code is 1-0 / 1-2 / / ; ground comb GB2 to weave chain stitch, and the weft insertion code is 1-0 / 0-1 / / ; jacking comb JB3 and jacking comb JB4 generate three basic structure of mesh structure, weft insertion structure and loop structure respectively by receiving different offset signals, and the three basic structures are combined in pairs to weave six moisture gradient regions, which are integrally woven as effect layers and basic layers.

[0027] S31, jacking basic weft insertion code setting, When the basic weft insertion code of one of the jacking combs is set to 0-0 / 2-2 / / (corresponding to HH / HH signal) or 2-2 / 0-0 / / (corresponding to HH / HH signal), the two jacking combs can generate four different settings through different combination modes during the basic weft insertion code setting. Specifically, one setting mode is that the basic weft insertion code of jacking comb JB3 is 0-0 / 2-2 / / (corresponding to HH / HH signal) to form an initial weft insertion structure; the basic weft insertion code of jacking comb JB4 is 2-2 / 0-0 / / (corresponding to HH / HH signal) to reverse the weft insertion of JB3. In order to facilitate the description, the following steps are described on the premise of this setting.

[0028] S32, weaving of three basic structures, Mesh structure: taking jacking comb JB3 as an example, as shown in the figure, Figure 5 The process of weaving a mesh by four needles of jacking comb JB3 with basic weft insertion code 0-0 / 2-2 / / is shown in the figure. The offset signal and the changed weft insertion code received by jacking comb JB3 from bottom to top in the warp direction within 5 cycles are as follows: First needle: HH / TT / HH / TT / HH / TT / HH / TT / HH / TT / / , the weft insertion code changes to 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / / ; Second needle: HH / TT / TT / TT / TT / TT / TT / TT / HH / TT / / , the weft insertion code changes to 0-0 / 3-3 / 1-1 / 3-3 / 1-1 / 3-3 / 1-1 / 3-3 / 0-0 / 3-3 / / ; Third needle: HH / TT / HH / HH / HH / HH / HH / HH / HH / TT / / , the weft insertion code changes to 0-0 / 3-3 / 0-0 / 2-2 / 0-0 / 2-2 / 0-0 / 2-2 / 0-0 / 3-3 / / ; The fourth needle: HH / TT / HH / TT / HH / TT / HH / TT / HH / TT / / , the change of the base laying-in code is 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / / .

[0029] The weft insertion structure: taking the Jakard comb JB3 as an example, the process of forming the weft insertion structure by the Jakard comb JB3 (all needles) with the base laying-in code 0-0 / 2-2 / / is as follows: receiving the offset signal HH / TT / HH / TT / HH / TT / HH / TT / HH / TT / / , the change of the base laying-in code is 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / 0-0 / 3-3 / / . The loop structure: taking the Jakard comb JB3 as an example, the process of forming the loop structure by the Jakard comb JB3 (all needles) with the base laying-in code 0-0 / 2-2 / / is as follows: receiving the offset signal TH / HT / TH / HT / TH / HT / TH / HT / TH / HT / / , the change of the base laying-in code is 1-0 / 2-3 / 1-0 / 2-3 / 1-0 / 2-3 / 1-0 / 2-3 / 1-0 / 2-3 / 1-0 / 2-3 / / .

[0030] S33, configuration of six moisture gradient areas, The Jakard comb JB3 receives the offset signal TT / TT / / and HH / HH / / , the change of the base laying-in code is 1-1 / 3-3 / / and 0-0 / 2-2 / / , forming the mesh structure; the Jakard comb JB4 receives the offset signal TT / TT / / and HH / HH / / , the change of the base laying-in code is 3-3 / 1-1 / / and 2-2 / 0-0 / / , forming the mesh structure, and the two Jakard combs together form a high moisture permeable area, corresponding to Figure 2 the gradient one fabric.

[0031] The Jakard comb JB3 receives the offset signal TT / TT / / and HH / HH / / , the change of the base laying-in code is 1-1 / 3-3 / / and 0-0 / 2-2 / / , forming the mesh structure; the Jakard comb JB4 receives the offset signal TT / HH / / , the change of the base laying-in code is 3-3 / 0-0 / / , forming the weft insertion structure, and the two Jakard combs together form a medium moisture permeable area, corresponding to Figure 2 the gradient two fabric.

[0032] The Jakard comb JB3 receives the offset signal TT / TT / / and HH / HH / / , the change of the base laying-in code is 1-1 / 3-3 / / and 0-0 / 2-2 / / , forming the mesh structure; the Jakard comb JB4 receives the offset signal TH / HT / / , the change of the base laying-in code is 3-2 / 0-1 / / , forming the loop structure, and the two Jakard combs together form a low moisture permeable area, corresponding to Figure 2 the gradient three fabric.

[0033] The jacquard comb JB3 receives the offset signal HH / TT / / , the change of the laying-in code is 0-0 / 3-3 / / , forming a weft insertion structure; the jacquard comb JB4 receives the offset signal TT / HH / / , the change of the laying-in code is 3-3 / 0-0 / / , forming a weft insertion structure, and the two jacquard combs together form a low thermal insulation area; corresponding to Figure 2 a gradient four fabric, The jacquard comb JB3 receives the offset signal HH / TT / / , the change of the laying-in code is 0-0 / 3-3 / / , forming a weft insertion structure; the jacquard comb JB4 receives the offset signal TH / HT / / , the change of the laying-in code is 3-2 / 0-1 / / , forming a loop structure, and the two jacquard combs together form a medium thermal insulation area; corresponding to Figure 2 a gradient five fabric, The jacquard comb JB3 receives the offset signal TH / HT / / , the change of the laying-in code is 1-0 / 2-3 / / , forming a loop structure; the jacquard comb JB4 receives the offset signal TH / HT / / , the change of the laying-in code is 3-2 / 0-1 / / , forming a loop structure, and the two jacquard combs together form a high thermal insulation area; corresponding to Figure 2 a gradient six fabric.

[0034] The configuration of the above six moisture gradient areas is one of the setting modes of the offset signals of the two jacquard combs, and the offset signals of the two jacquard combs can also be set in a reversed manner, which will not be described here.

[0035] In Example 3, a sports garment with a moisture gradient partition is designed, and the differential design of the functional areas is realized through the knitting process of a single needle bed double-jacquard warp knitting machine, as shown in Figure 6 According to the heat and humidity distribution characteristics of human body movement, the garment is divided into the following functional areas and configured with corresponding gradient structures: The underarm area ① adopts the gradient one fabric (double mesh structure) in Figure 2 , which is knitted by the jacquard comb JB3 and the jacquard comb JB4 synchronously to form the mesh structure (structure A in Figure 1 ), which can realize rapid evaporation of sweat. The back area ② adopts the gradient two fabric (mesh + weft insertion structure) in Figure 2 , the jacquard comb JB3 knits the mesh structure (structure A in Figure 1 ), and the jacquard comb JB4 knits the weft insertion structure (structure B in Figure 1 ), which can form a thin layer of wet channel, and has both air permeability and structural stability. The chest and abdomen area ③ adopts the gradient five fabric (weft insertion + loop structure) in Figure 2 , the jacquard comb JB3 knits the weft insertion structure (structure B in Figure 1 ), and the JB4 knits the loop structure (structure C in Figure 1 ), which can reduce evaporation and maintain core body temperature. The elbow area ④ adopts the gradient six fabric (loop structure) in Figure 2Mid-gradient six fabric (double loop structure), jacquard comb JB3 and JB4 synchronous knitting loop structure (C) Figure 1 The structure C can meet the durability requirement of the high-frequency friction area.

[0036] The embodiment realizes differentiation knitting by partition, so that the single-layer fabric has the functions of fast sweat (underarm), dynamic humidity balance (back), body temperature maintenance (chest) and reinforced wear resistance (elbow), solves the problems of thick, uneven ventilation and the like caused by the multi-layer composite of the traditional sports clothing, and is suitable for the fields of high-performance sports tight clothes, outdoor functional clothes and the like.

[0037] The warp knitting single needle bed double-jacquard fabric and the knitting process have the following advantages: 1. The moisture gradient partition of the fabric is digitally designed by using the pattern design software, so that the moisture permeable area (such as double mesh structure) and the warm-keeping area (such as weft insertion structure + loop structure) are seamlessly connected, the precise regulation and control of the moisture gradient in the single-layer fabric is realized, the process breaks through the limitation of the traditional multi-layer composite, has the characteristics of function customization and high production efficiency, and the right claim covers the equipment configuration, structure combination method and gradient partition application; 2. The knitting process of the warp knitting single needle bed double-jacquard fabric protected by the application adopts a single needle bed double-jacquard warp knitting machine, generates three basic structures of mesh, weft insertion and loop through offset (H / T signal), and forms six moisture gradient partitions based on two comb combinations, so that the process is simple, has the characteristics of function customization and high production efficiency, and is suitable for the fields of sports clothing and the like.

Claims

1. A warp knitted single needle bed double jacquard fabric, characterized in that: It includes a bottom support structure of the fabric; the effect layer is located above the base layer, and two jacquard combs weave different tissue structures according to preset patterns. By adjusting the offset signal combination of the two jacquard combs, differentiated moisture gradient partitions are formed.

2. The warp knitted single needle bed double jacquard fabric according to claim 1, characterized in that: One of the jacquard combs forms three basic tissue structures, namely a mesh structure, a weft insertion structure and a loop structure, by receiving different offset signals. The other jacquard comb also forms three basic tissue structures, namely a mesh structure, a weft insertion structure and a loop structure, by receiving different offset signals. The three basic tissue structures woven by the two jacquard combs are combined in pairs and divided into moisture-permeable areas and warmth-keeping areas according to the differences in moisture permeability.

3. The warp knitted single needle bed double jacquard fabric according to claim 2, characterized in that: The moisture permeable area includes a high moisture permeability area, a medium moisture permeability area and a low moisture permeability area. The high moisture permeability area is composed of a mesh structure formed by a jacquard comb and a mesh structure formed by another jacquard comb woven together, the medium moisture permeability area is composed of a mesh structure formed by a jacquard comb and a weft insertion structure formed by another jacquard comb woven together, and the low moisture permeability area is composed of a mesh structure formed by a jacquard comb and a loop structure formed by another jacquard comb woven together.

4. The warp knitted single needle bed double jacquard fabric according to claim 2, characterized in that: The warm-keeping area includes a high-temperature-keeping area, a medium-temperature-keeping area and a low-temperature-keeping area. The high-temperature-keeping area is composed of a loop-forming structure formed by a jacquard comb and a loop-forming structure formed by another jacquard comb, which are woven together. The medium-temperature-keeping area is composed of a weft-insertion structure formed by a jacquard comb and a loop-forming structure formed by another jacquard comb, which are woven together. The low-temperature-keeping area is composed of a weft-insertion structure formed by a jacquard comb and a weft-insertion structure formed by another jacquard comb, which are woven together.

5. A weaving process for a warp-knitted single needle-bar double jacquard fabric, for preparing the warp-knitted single needle-bar double jacquard fabric according to claim 1, characterized in that: The following steps are included: S1, using a single needle bed double jacquard warp knitting machine, the warp knitting machine is equipped with at least four combing bars, the combing bars are arranged in the following order: ground comb GB1, ground comb GB2, jacquard comb JB3, and jacquard comb JB4; S2, the ground combs GB1 and GB2 adopt a full threading mode, the jacquard comb JB3 is configured to full machine gauge by two half-gauge jacquard bars JB3.1 and JB3.2, one empty and one threaded, one threaded and one empty, respectively; the jacquard comb JB4 is configured to full machine gauge by two half-gauge jacquard bars JB4.1 and JB4.2, one empty and one threaded, one threaded and one empty, respectively; S3, the ground comb GB1, and the ground comb GB2 jointly weave the bottom support structure. The jacquard comb JB3 and the jacquard comb JB4 receive different offset signals to generate three basic tissue structures: mesh structure, weft insertion structure, and loop structure, respectively. By adjusting the offset signal combination of the two jacquard combs JB3 and JB4, differentiated moisture gradient partitions are formed.

6. The weaving process of a warp-knitted single needle bed double jacquard fabric according to claim 5, characterized in that: The single-needle-bed double-jacquard warp knitting machine is equipped with a Piezo jacquard system, which can perform offset actions at the needle front and needle back positions according to the received offset signals. The offset signals are divided into H signals and T signals. The H signal is a non-offset signal, and the T signal is an offset signal.

7. The weaving process of a warp-knitted single needle bed double jacquard fabric according to claim 6, characterized in that: In S3, the mesh structure is such that a portion of any jacquard comb receives an offset signal TT / TT / / , and another portion of the jacquard comb receives an offset signal HH / HH / / , thereby forming a diamond-shaped breathable mesh.

8. The weaving process of a warp-knitted single needle bed double jacquard fabric according to claim 6, characterized in that: In S3, the weft insertion structure is such that any one of the jacquard combs receives the offset signals HH / TT / / or TT / HH / / to form a dense weft yarn layer.

9. The weaving process of a warp-knitted single needle-bar double jacquard fabric according to claim 6, characterized in that: In S3, the loop-forming structure is that any one of the jacquard combs receives offset signals of TH / HT / / or TH / HT / / , thereby forming a coil structure.