CN108638634B - Preparation method of intelligent fabric and intelligent fabric - Google Patents
Preparation method of intelligent fabric and intelligent fabric Download PDFInfo
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- CN108638634B CN108638634B CN201810458195.2A CN201810458195A CN108638634B CN 108638634 B CN108638634 B CN 108638634B CN 201810458195 A CN201810458195 A CN 201810458195A CN 108638634 B CN108638634 B CN 108638634B
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Images
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Woven Fabrics (AREA)
Abstract
The invention relates to a preparation method of various intelligent fabrics and the intelligent fabrics, which comprises the following steps of 1: preparing a conductive filament; step 2: preparing conductive yarns; and step 3: preparing a conductive fabric; and 4, step 4: preparing a composite conductive fabric; and 5: preparing the intelligent fabric. The fabric has the advantages that transverse conductive yarns in the composite conductive fabric serve as X-axes, longitudinal conductive yarns serve as Y-axes, cross-point coordinates are used for cross-shaped positioning, when the fabric is broken, blood is communicated with broken conductive yarns to generate short circuits, current changes of the conductive yarns are used for exciting a current short circuit detector to give out an alarm, different alarm intensities are excited according to the area of the broken fabric, and the alarm intensities are transmitted to logistics personnel through a signal sensor to realize an alarm function; the injured position of the injured person is quickly positioned; set up the hemostasis layer, the fabric is damaged, and the intraformational hemostatic material of hemostasis can flow to the wound from the damaged, carries out preliminary hemostasis to wounded's injured position.
Description
Technical Field
The invention relates to the technical field of fabric fabrics, in particular to a preparation method of an intelligent fabric and the intelligent fabric.
Background
With the development of economy, the income gap is continuously increased, the public safety problem of the society is increasingly serious, and medical conflict, pedlarry conflict, urban management conflict, police conflict, fighting conflict and the like all show increasing trends. At present, the state is also in the process of increasing management intensity and reducing injury and death caused by conflict. According to the statistics data in 2017, most cases of death caused by sharps are dead of blood loss, namely, the death caused by excessive blood loss of wounded personnel is not caused by waiting for the arrival of rescuers.
At present, the intelligent fabric in the market is in a research and development stage and can be used for intelligent fabric clothes worn daily such as matched work clothes, duty clothes and the like. Traditional high-risk post occupational personnel mainly wear clothes such as bullet-proof clothes and stab-proof clothes for daily work safety protection, but because of the weight and the comfort level, many people do not want to wear the clothes, so the case that cadres are sacrificed is often seen. At present, the research on intelligent fabrics in the global range is also in the early stage, such as fabric display screens, which not only can display images, but also can be bent freely, and the purposes are very wide. At present, the research on the intelligent fabric is also a mainstream research and development direction, along with the development of science and technology, the research and development is increased, and the application is wider.
Disclosure of Invention
The invention aims to provide a preparation method of an intelligent fabric aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a preparation method of a smart fabric comprises the following steps:
step 1: preparation of electrically conductive filaments
Processing metal to prepare micro particles, uniformly mixing the micro particles with the precursor molten liquid, and performing melt spinning to prepare conductive filaments;
step 2: preparation of conductive yarn
Spinning the conductive filament prepared in the step 1, wherein the twisting direction is S twisting or Z twisting; carrying out insulation treatment, spraying a layer of insulating paint, and drying after spraying to obtain conductive yarns;
and step 3: preparation of conductive fabric
Carrying out plain weaving on the conductive yarns obtained in the step 2 and non-conductive yarns to obtain a conductive fabric, wherein warp yarns of the conductive fabric are alternately arranged yarns of the conductive yarns and the non-conductive yarns, and weft yarns of the conductive fabric are alternately arranged yarns of the conductive yarns and the non-conductive yarns;
and 4, step 4: preparation of composite conductive fabric
Bonding the conductive fabric obtained in the step 3 with a semipermeable membrane to obtain a composite conductive fabric;
and 5: preparing a smart fabric
Arranging a hemostasis layer on the inner side of the composite conductive fabric obtained in the step (4), and arranging a fabric layer on the inner side of the hemostasis layer to obtain an initial fabric;
connecting the bottom and two side edge parts of the initial fabric with a conductive flat cable, and connecting the conductive yarns with the conductive flat cable;
arranging a plurality of current short-circuit detectors on the conductive bus at certain intervals;
and connecting the conductive yarns with current to obtain the intelligent fabric.
Preferably, in the step 1, the metal is one or a combination of several of copper, iron, silver, lead, nickel, chromium and cadmium;
the treatment method of the metal is any one of sulfuration, oxidation or carbonization;
the particle size of the metal microparticles is 1-300 μm.
Preferably, the conductive filament has a diameter of 10 to 300 μm, a strength of 1 to 200CN/D, and a conductivity of 1 × 103 to 1 × 105 Ω -cm.
Preferably, the fineness of the conductive yarn is 20tex to 500 tex.
Preferably, the width of the conductive fabric is 0.6-1.6 m, and the surface density of the conductive fabric is 100g/cm 2-800 g/cm 2.
Preferably, the non-conductive yarn is any one of polyester yarn, polyamide yarn or acrylic yarn.
Preferably, the semipermeable membrane is one or a combination of several of a PU membrane, a TPU membrane, a PTFE membrane or an ePTFE membrane.
Preferably, in step 4, the distance between the current short-circuit detectors is set to be 0.3 cm-10 cm.
Preferably, in step 4, the conductive yarn is connected with 3V-12V and 0.01 mu A-1 mA current.
It is a second object of the present invention to provide a smart fabric.
The utility model provides an intelligent fabric, includes compound electrically conductive surface fabric, hemostasis layer and precoat, the inboard of compound electrically conductive surface fabric sets up the hemostasis layer, the inboard on hemostasis layer sets up the precoat, the bottom and the both sides edge portion of intelligent fabric are provided with electrically conductive winding displacement, set up a plurality of electric current short circuit detectors with certain interval on the electrically conductive winding displacement, compound electrically conductive surface fabric is woven by electrically conductive yarn and is formed, electrically conductive yarn with electrically conductive winding displacement is connected.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
according to the intelligent fabric, the transverse conductive yarns in the composite conductive fabric are used as 'X-axes', the longitudinal conductive yarns are used as 'Y-axes', cross-point coordinates are utilized for cross-shaped positioning, when the fabric is broken, blood connects the broken conductive yarns to generate short circuit, current change of the conductive yarns is utilized to excite a current short circuit detector to give an alarm, different alarm intensities are excited according to the area of the broken fabric, and the alarm intensities are transmitted to logistics personnel through a signal sensor, so that an alarm function is realized; the injured position of the injured person is quickly positioned; the finely processed conductive yarn is used, so that the fabric is flexible; has waterproof and insulating functions; set up the hemostasis layer in the middle of the intelligent fabric, when the fabric is damaged, the intraformational hemostatic material of hemostasis can flow to wound from the damaged, carries out preliminary hemostasis to wounded's injured position.
Drawings
Fig. 1 is a schematic view of the weaving of the conductive fabric of the present invention.
Fig. 2 is a schematic view of the preparation process of the composite conductive fabric of the present invention.
Fig. 3 is a schematic diagram of the short circuit principle of the smart fabric of the present invention.
Wherein the reference numerals: a conductive yarn A; and a non-conductive yarn B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Example 1
The preparation method of the intelligent fabric comprises the following steps:
step 1: preparation of electrically conductive filaments
Processing the metal to prepare micro particles, uniformly mixing the micro particles with the precursor molten liquid, and performing melt spinning to prepare the conductive filament.
Wherein, the metal is one or a combination of several of copper, iron, silver, lead, nickel, chromium and cadmium, and the metal needs to be treated by any one of sulfuration, oxidation and carbonization to obtain metal sulfide, metal oxide and metal carbide.
After the treated metal sulfide/metal oxide/metal carbide is prepared into micro particles with the particle size of 1-300 mu m, one or a combination of a plurality of metal sulfides, metal oxides and metal carbides is uniformly mixed with the protofilament molten liquid. Wherein, the mass ratio of one or a plurality of metal sulfides, metal oxides and metal carbides in the mixed solution is 5-30%.
The protofilament melt is one of terylene protofilament melt, chinlon protofilament melt and acrylon protofilament melt.
The mixed solution is made into conductive filament after melt spinning, the diameter of the conductive filament is 10 to 300 mu m, the intensity is 1 to 200CN/D, and the conductivity is 1 × 103Ω·cm～1×105Ω·cm。
Step 2: preparation of conductive yarn
Spinning the conductive filament prepared in the step 1, wherein the twisting direction is S twisting or Z twisting; and carrying out insulation treatment, spraying a layer of insulating paint, and drying after spraying to obtain the conductive yarn.
The yarn fineness of the conductive yarn obtained after the conductive filament yarn is spun is 20 tex-500 tex, the thickness of insulating paint sprayed on the conductive yarn in an insulating treatment mode is 0.1 mu m-10 mu m, then glue pretreatment is carried out, and finally drying and ingot filling are carried out.
And step 3: preparation of conductive fabric
And (3) plain weaving the conductive yarns and the non-conductive yarns obtained in the step (2) to obtain a conductive fabric, wherein the warp yarns of the conductive fabric are alternately arranged yarns of the conductive yarns and the non-conductive yarns, and the weft yarns of the conductive fabric are alternately arranged yarns of the conductive yarns and the non-conductive yarns.
Firstly, warping conductive yarns and non-conductive yarns side by side, wherein the yarn arrangement is 1 interval and 1 interval; the weft yarn rows are the same as the warp yarns, i.e., the weft yarns are arranged at 1 interval and 1 interval, and the weaving result is shown in fig. 1, wherein A is conductive yarn, B is non-conductive yarn, the warp yarn direction, A and B are arranged at intervals, and the weft yarn direction, A and B are arranged at intervals.
The non-conductive yarn is any one of polyester yarn, polyamide yarn and acrylic yarn, and the fineness of the non-conductive yarn is 20 tex-500 tex.
Weaving by a rapier loom into a 1 x 1 plain structure, wherein the width of the woven conductive fabric is 0.6-1.6 m, and the areal density of the fabric is 100g/cm2～800g/cm2。
And 4, step 4: preparation of composite conductive fabric
And (4) bonding the conductive fabric obtained in the step (3) with a semipermeable membrane to obtain the composite conductive fabric.
Wherein, the semipermeable membrane is one or a combination of a plurality of PU membrane, TPU membrane, PTFE membrane and ePTFE membrane.
As shown in fig. 2, the process of preparing the composite conductive fabric is as follows: after the conductive fabric is rolled, the conductive fabric is placed behind an automatic coating machine, the semipermeable membrane is placed in front, glue is added to facilitate hot-pressing compounding of the fabric and the membrane, and after the fabric and the membrane are bonded and rolled by the glue inside a membrane laminating machine, the fabric is cooled and rolled to form the composite conductive fabric.
And 5: preparing a smart fabric
Arranging a hemostasis layer on the inner side of the composite conductive fabric obtained in the step (4), and arranging a fabric layer on the inner side of the hemostasis layer to obtain an initial fabric; connecting the bottom and two side edge parts of the initial fabric with a conductive flat cable, and connecting conductive yarns with the conductive flat cable; arranging a plurality of current short-circuit detectors on the conductive bus at certain intervals; and connecting the conductive yarns with current to obtain the intelligent fabric.
The composite conductive fabric is cut to obtain the composite conductive fabric with a certain shape, and the composite conductive fabric is usually cut into a vest shape.
Coating a layer of hemostatic drug on the inner side of the composite conductive fabric, namely the side of the composite conductive fabric contacting the skin to form a hemostatic layer; and laying a layer of common fabric on the inner side of the hemostatic layer, namely the side of the hemostatic layer contacting with the skin to form a fabric layer, and then sewing the edge. Generally, a common fabric is a polyester cotton fabric.
And sewing a conductive flat cable at the sewing position of the bottom of the initial fabric, connecting the conductive yarn in the composite conductive fabric with the conductive flat cable, winding 1-3 coils of the conductive flat cable, and carrying out pre-heating degumming treatment on the conductive flat cable to enable the conductive part of the conductive yarn to be in contact with the conductive part of the conductive flat cable.
A plurality of current short-circuit detectors with the sensitivity of 0.01 mu A-1 mA are connected at the position of the conductive flat cable, and the distance between the current short-circuit detectors is 0.3 cm-10 cm.
Each current short-circuit detector is independently connected with a remote control center.
Both side edge portions of the original fabric are subjected to the same treatment as the bottom portion of the original fabric.
After the initial fabric is processed, each current cutoff detector is connected with a master controller through a separate guide wire, and the master controller is arranged inside or outside the initial fabric.
And finally, connecting the conductive yarn with current with the voltage of 3-12V and the current of 0.01-1 mA.
As shown in fig. 3, the working principle of the intelligent fabric prepared by the invention is as follows: transverse conductive yarns in the intelligent fabric serve as an X-axis, longitudinal conductive yarns serve as a Y-axis, and cross positioning is carried out by using cross point coordinates; the human blood contains a large amount of conductive media, when the fabric is damaged, the insulating waterproof membrane is damaged along with the fabric, the blood soaks the waterproof membrane, all broken conductive yarns are switched on instantly, a short circuit phenomenon occurs at the moment, the current change of the conductive yarns is utilized to excite the current short circuit detector to give an alarm, different alarm intensities are excited according to the area of the damaged fabric, and the alarm intensities are transmitted to logistics personnel through the signal sensor, so that an alarm function is realized.
Example 2
The preparation method of example 1 is used to prepare the intelligent fabric, and the specific steps are as follows:
step 1: preparation of electrically conductive filaments
Oxidizing Fe powder to obtain Fe3O4Making into fine particles with a particle size of 8 μm by a grinder, and mixing Fe3O4Mixing with the melt of polyester precursor, wherein Fe3O4The mass percent of the conductive filament is 19.2 percent, and the mixed solution is melt-spun to prepare the conductive filament with the fineness of 30 tex.
Step 2: preparation of conductive yarn
Spinning the conductive filament prepared in the step 1 through air spinning, wherein the twisting direction is S twisting or Z twisting, the yarn count fineness is 124tex, performing insulation treatment, spraying a layer of insulating paint with the thickness of 2 mu m, and drying and putting the conductive filament into an ingot to obtain the conductive yarn after the spraying is finished.
And step 3: preparation of conductive fabric
And (3) warping the conductive yarns and the polyester yarns obtained in the step (2) side by side, wherein the yarn arrangement is 1 at intervals, the fineness of the polyester yarns is 124tex, the weft yarns are alternately arranged by adopting the conductive yarns and the polyester yarns, and a 1 x 1 plain structure is woven by adopting a rapier loom. The width of the woven conductive fabric is 1.2m, and the surface density is as follows: 260g/cm2。
And 4, step 4: preparation of composite conductive fabric
Placing the conductive fabric into a rear-end winding roller by using an automatic coating machine device to enable the fabric to be smooth and tensioned and to be stressed uniformly; and (3) putting the PTFE film into a front-end winding roller, reducing tensile deformation, performing hot-pressing compounding on the PTFE film and the conductive fabric at the speed of 2.1m/min, and then rolling to obtain the composite conductive fabric.
And 5: preparing a smart fabric
Cutting the composite conductive fabric into a vest shape, coating the hemostatic ointment on the close-fitting surface of the fabric, laying a layer of polyester cotton fabric, and sewing the edges.
And (3) connecting a 0.02mm diameter copper wire flat cable at the sewing position of the bottom, winding 1 coil, and carrying out instant heating degumming treatment so as to be in contact with the copper wire.
A current short-circuit detector with the sensitivity of 0.03mA is connected to a flat cable at the interval of 1cm, and each short-circuit device is connected with a controller through a separate guide wire.
And finally, 3V is switched in, the current is 0.01mA, the circuit is kept running, and the intelligent fabric capable of sensing detection and self rescue is processed and prepared.
When using the intelligent fabric of this embodiment, when the fabric damage, when the human body was bled, the pellicle will be soaked to short time blood, makes the ointment permeate out healing wound on the one hand, and with a closed circuit of conductive fabric yarn shape department on the one hand, form local short circuit, the short circuit takes place for the electric current short circuiter of limit portion this moment, and the short circuit detector collects signal transmission to total controller. The master controller converts the short circuit position into wound position information, transmits the wound position information to a logistics service center, and carries out injury assessment by logistics personnel to arrange for implementation and rescue.
Example 3
The preparation method of example 1 is used to prepare the intelligent fabric, and the specific steps are as follows:
step 1: preparation of electrically conductive filaments
Mixing Ag with water2O is made into fine particles with a particle size of 8 μm, and iron powder with a particle size of 8 μm, in which Ag is mixed2The ratio of O to Fe is 23: 77, uniformly mixing the mixed powder with the polyester protofilament melt, wherein the mass percent of the mixed powder is 22.7%, and carrying out melt spinning on the mixed solution to prepare the conductive filament with the fineness of 30 tex.
Step 2: preparation of conductive yarn
Spinning the conductive filament prepared in the step 1 through air spinning, wherein the twisting direction is S twisting or Z twisting, the yarn count fineness is 124tex, performing insulation treatment, spraying a layer of insulating paint with the thickness of 2 mu m, and drying and putting the conductive filament into an ingot to obtain the conductive yarn after the spraying is finished.
And step 3: preparation of conductive fabric
And (3) warping the conductive yarns and the polyester yarns obtained in the step (2) side by side, wherein the yarn arrangement is 1 at intervals, the fineness of the polyester yarns is 124tex, the weft yarns are alternately arranged by adopting the conductive yarns and the polyester yarns, and a 1 x 1 plain structure is woven by adopting a rapier loom. The width of the woven conductive fabric is 1.2m, and the surface density is as follows: 260g/cm2。
And 4, step 4: preparation of composite conductive fabric
Placing the conductive fabric into a rear-end winding roller by using an automatic coating machine device to enable the fabric to be smooth and tensioned and to be stressed uniformly; and (3) putting the PTFE film into a front-end winding roller, reducing tensile deformation, performing hot-pressing compounding on the PTFE film and the conductive fabric at the speed of 2.1m/min, and then rolling to obtain the composite conductive fabric.
And 5: preparing a smart fabric
Cutting the composite conductive fabric into a vest shape, coating the hemostatic ointment on the close-fitting surface of the fabric, laying a layer of polyester cotton fabric, and sewing the edges.
And (3) connecting a 0.02mm diameter copper wire flat cable at the sewing position of the bottom, winding 1 coil, and carrying out instant heating degumming treatment so as to be in contact with the copper wire.
A current short-circuit detector with the sensitivity of 0.03mA is connected to a flat cable at the interval of 1cm, and each short-circuit device is connected with a controller through a separate guide wire.
And finally, 3V is switched in, the current is 0.01mA, the circuit is kept running, and the intelligent fabric capable of sensing detection and self rescue is processed and prepared.
When using the intelligent fabric of this embodiment, when the fabric damage, when the human body was bled, the pellicle will be soaked to short time blood, makes the ointment permeate out healing wound on the one hand, and with a closed circuit of conductive fabric yarn shape department on the one hand, form local short circuit, the short circuit takes place for the electric current short circuiter of limit portion this moment, and the short circuit detector collects signal transmission to total controller. The master controller converts the short circuit position into wound position information, transmits the wound position information to a logistics service center, and carries out injury assessment by logistics personnel to arrange for implementation and rescue.
Example 4
The preparation method of example 1 is used to prepare the intelligent fabric, and the specific steps are as follows:
step 1: preparation of electrically conductive filaments
Preparing Al powder, Fe powder and Cu powder into tiny particles with the particle size of 8 mu m by a grinding machine, wherein the ratio of the Al powder to the Fe powder to the Cu powder is 2: 5: and 3, uniformly mixing the mixed powder with the polyester protofilament molten liquid, wherein the mass percent of the mixed powder is 25.2%, and performing melt spinning on the mixed liquid to prepare the conductive filament with the fineness of 30 tex.
Step 2: preparation of conductive yarn
Spinning the conductive filament prepared in the step 1 through air spinning, wherein the twisting direction is S twisting or Z twisting, the yarn count fineness is 124tex, performing insulation treatment, spraying a layer of insulating paint with the thickness of 2 mu m, and drying and putting the conductive filament into an ingot to obtain the conductive yarn after the spraying is finished.
And step 3: preparation of conductive fabric
Warping the conductive yarns and the polyester yarns obtained in the step 2 side by side, wherein the yarn arrangement is 1 at intervals, the fineness of the polyester yarns is 124tex, the weft yarns are alternately arranged by adopting the conductive yarns and the polyester yarns, and weaving the conductive yarns and the polyester yarns by adopting a rapier loom1 x 1 plain weave structure. The width of the woven conductive fabric is 1.2m, and the surface density is as follows: 260g/cm2。
And 4, step 4: preparation of composite conductive fabric
Placing the conductive fabric into a rear-end winding roller by using an automatic coating machine device to enable the fabric to be smooth and tensioned and to be stressed uniformly; and (3) putting the PTFE film into a front-end winding roller, reducing tensile deformation, performing hot-pressing compounding on the PTFE film and the conductive fabric at the speed of 2.1m/min, and then rolling to obtain the composite conductive fabric.
And 5: preparing a smart fabric
Cutting the composite conductive fabric into a vest shape, coating the hemostatic ointment on the close-fitting surface of the fabric, laying a layer of polyester cotton fabric, and sewing the edges.
And (3) connecting a 0.02mm diameter copper wire flat cable at the sewing position of the bottom, winding 1 coil, and carrying out instant heating degumming treatment so as to be in contact with the copper wire.
A current short-circuit detector with the sensitivity of 0.03mA is connected to a flat cable at the interval of 1cm, and each short-circuit device is connected with a controller through a separate guide wire.
And finally, 3V is switched in, the current is 0.01mA, the circuit is kept running, and the intelligent fabric capable of sensing detection and self rescue is processed and prepared.
When using the intelligent fabric of this embodiment, when the fabric damage, when the human body was bled, the pellicle will be soaked to short time blood, makes the ointment permeate out healing wound on the one hand, and with a closed circuit of conductive fabric yarn shape department on the one hand, form local short circuit, the short circuit takes place for the electric current short circuiter of limit portion this moment, and the short circuit detector collects signal transmission to total controller. The master controller converts the short circuit position into wound position information, transmits the wound position information to a logistics service center, and carries out injury assessment by logistics personnel to arrange for implementation and rescue.
Example 5
The preparation method of example 1 is used to prepare the intelligent fabric, and the specific steps are as follows:
step 1: preparation of electrically conductive filaments
Carrying out vulcanization treatment on Fe powder to obtain Fe2S3Disclosure of the inventionGrinding into fine particles with a particle size of 10 μm by a grinder, and mixing Fe2S3Mixing with molten polyamide precursor, wherein Fe2S3The mass percent of the conductive filament is 12.5 percent, and the mixed solution is subjected to melt spinning to prepare the conductive filament with the fineness of 40 tex.
Step 2: preparation of conductive yarn
Spinning the conductive filament prepared in the step 1 through air spinning, wherein the twisting direction is S twisting or Z twisting, the yarn count fineness is 156ex, carrying out insulation treatment, spraying a layer of insulating paint with the thickness of 2 mu m, and drying and putting the conductive filament into an ingot to obtain the conductive yarn after the spraying is finished.
And step 3: preparation of conductive fabric
And (3) warping the conductive yarns and the nylon yarns obtained in the step (2) side by side, wherein the yarn arrangement is 1 at intervals, the fineness of the polyester yarns is 156tex, the weft yarns are alternately arranged by adopting the conductive yarns and the polyester yarns, and a 1 x 1 plain structure is woven by adopting a rapier loom. The width of the woven conductive fabric is 1.4m, and the surface density is as follows: 270g/cm2。
And 4, step 4: preparation of composite conductive fabric
Placing the conductive fabric into a rear-end winding roller by using an automatic coating machine device to enable the fabric to be smooth and tensioned and to be stressed uniformly; putting the TPU film into a front-end winding roller, reducing tensile deformation, performing hot-pressing compounding on the TPU film and the conductive fabric at the speed of 2.1m/min, and then rolling to obtain the composite conductive fabric.
And 5: preparing a smart fabric
Cutting the composite conductive fabric into a vest shape, coating the hemostatic ointment on the close-fitting surface of the fabric, laying a layer of polyester cotton fabric, and sewing the edges.
And (3) connecting a 0.02mm diameter copper wire flat cable at the sewing position of the bottom, winding 3 coils, and carrying out instant heating degumming treatment so as to be in contact with the copper wire.
A current short-circuit detector with the sensitivity of 0.03mA is connected to a flat cable at the interval of 1.5cm, and each short-circuit device is connected with a controller through a separate guide wire.
And finally, 3V is switched in, the current is 0.02mA, the circuit is kept running, and the intelligent fabric capable of sensing detection and self rescue is processed and prepared.
When using the intelligent fabric of this embodiment, when the fabric damage, when the human body was bled, the pellicle will be soaked to short time blood, makes the ointment permeate out healing wound on the one hand, and with a closed circuit of conductive fabric yarn shape department on the one hand, form local short circuit, the short circuit takes place for the electric current short circuiter of limit portion this moment, and the short circuit detector collects signal transmission to total controller. The master controller converts the short circuit position into wound position information, transmits the wound position information to a logistics service center, and carries out injury assessment by logistics personnel to arrange for implementation and rescue.
Example 6
The preparation method of example 1 is used to prepare the intelligent fabric, and the specific steps are as follows:
step 1: preparation of electrically conductive filaments
Oxidizing Fe powder to obtain Fe3O4Making into fine particles with a particle size of 12 μm by a grinder, and mixing Fe3O4Mixing with the melt of the acrylic fiber precursor uniformly, wherein Fe3O4The mass percent of the conductive filament is 25.3 percent, and the mixed solution is melt-spun to prepare the conductive filament with the fineness of 50 tex.
Step 2: preparation of conductive yarn
Spinning the conductive filament prepared in the step 1 through air spinning, wherein the twisting direction is S twisting or Z twisting, the yarn count fineness is 236tex, performing insulation treatment, spraying a layer of insulating paint with the thickness of 3 mu m, and drying and putting the conductive filament into a spindle to obtain the conductive yarn after the spraying is finished.
And step 3: preparation of conductive fabric
And (3) warping the conductive yarns and the acrylic yarns obtained in the step (2) side by side, wherein the yarn arrangement is 1 pitch, the fineness of the polyester yarns is 236tex, the weft yarns are alternately arranged by adopting the conductive yarns and the polyester yarns, and a 1 x 1 plain structure is woven by adopting a rapier loom. The width of the woven conductive fabric is 1.0m, and the surface density is as follows: 230g/cm2。
And 4, step 4: preparation of composite conductive fabric
Placing the conductive fabric into a rear-end winding roller by using an automatic coating machine device to enable the fabric to be smooth and tensioned and to be stressed uniformly; and (3) putting the PU film into a front-end winding roller, reducing tensile deformation, performing hot-pressing compounding on the PU film and the conductive fabric at the speed of 2.1m/min, and then rolling to obtain the composite conductive fabric.
And 5: preparing a smart fabric
Cutting the composite conductive fabric into a vest shape, coating the hemostatic ointment on the close-fitting surface of the fabric, laying a layer of polyester cotton fabric, and sewing the edges.
And (3) connecting a 0.02mm diameter copper wire flat cable at the sewing position of the bottom, winding 2 coils, and carrying out instant heating degumming treatment so as to be in contact with the copper wire.
A current short-circuit detector with the sensitivity of 0.03mA is connected to a flat cable at the interval of 2cm, and each short-circuit device is connected with a controller through a separate guide wire.
And finally, 3V is switched in, the current is 0.02mA, the circuit is kept running, and the intelligent fabric capable of sensing detection and self rescue is processed and prepared.
When using the intelligent fabric of this embodiment, when the fabric damage, when the human body was bled, the pellicle will be soaked to short time blood, makes the ointment permeate out healing wound on the one hand, and with a closed circuit of conductive fabric yarn shape department on the one hand, form local short circuit, the short circuit takes place for the electric current short circuiter of limit portion this moment, and the short circuit detector collects signal transmission to total controller. The master controller converts the short circuit position into wound position information, transmits the wound position information to a logistics service center, and carries out injury assessment by logistics personnel to arrange for implementation and rescue.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. A preparation method of an intelligent fabric is characterized by comprising the following steps:
step 1: preparation of electrically conductive filaments
Processing metal to prepare micro particles, uniformly mixing the micro particles with the precursor molten liquid, and performing melt spinning to prepare conductive filaments;
step 2: preparation of conductive yarn
Spinning the conductive filament prepared in the step 1, wherein the twisting direction is S twisting or Z twisting; carrying out insulation treatment, spraying a layer of insulating paint, and drying after spraying to obtain conductive yarns;
and step 3: preparation of conductive fabric
Carrying out plain weaving on the conductive yarns obtained in the step 2 and non-conductive yarns to obtain a conductive fabric, wherein warp yarns of the conductive fabric are alternately arranged yarns of the conductive yarns and the non-conductive yarns, and weft yarns of the conductive fabric are alternately arranged yarns of the conductive yarns and the conductive yarns;
and 4, step 4: preparation of composite conductive fabric
Bonding the conductive fabric obtained in the step 3 with a semipermeable membrane to obtain a composite conductive fabric;
and 5: preparing a smart fabric
Arranging a hemostasis layer on the inner side of the composite conductive fabric obtained in the step (4), and arranging a fabric layer on the inner side of the hemostasis layer to obtain an initial fabric;
connecting the bottom and two side edge parts of the initial fabric with a conductive flat cable, and connecting the conductive yarns with the conductive flat cable;
arranging a plurality of current short-circuit detectors on the conductive bus at certain intervals;
connecting the conductive yarns into current to obtain an intelligent fabric;
in the step 1, the metal is one or a combination of more of copper, iron, silver, lead, nickel, chromium and cadmium;
the treatment method of the metal is any one of sulfuration, oxidation or carbonization;
the particle size of the metal particles is 1-300 μm;
the non-conductive yarn is any one of polyester yarn, chinlon yarn or acrylic yarn; the semipermeable membrane is one or a combination of a plurality of PU (polyurethane) membranes, TPU (thermoplastic polyurethane) membranes, PTFE (polytetrafluoroethylene) membranes or ePTFE (ePTFE) membranes;
in step 4, setting the distance between the current short-circuit detectors to be 0.3 cm-10 cm; in step 4, the conductive yarn is connected with current of 3V-12V and 0.01 muA-1 mA.
2. The method for preparing smart fabric according to claim 1, wherein the conductive filaments have a diameter of 10 to 300 μm, a strength of 1 to 200CN/D, and a conductivity of 1 × 103Ω·cm～1×105Ω·cm。
3. The method for preparing the smart fabric according to claim 1, wherein the fineness of the conductive yarn is 20 to 500 tex.
4. The method for preparing the intelligent fabric according to claim 1, wherein the width of the conductive fabric is 0.6-1.6 m, and the areal density of the conductive fabric is 100g/cm2-800g/cm2。
5. A smart fabric prepared using the method of preparing a smart fabric according to claims 1-4.
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| CN101389318A (en) * | 2006-01-11 | 2009-03-18 | 恩特格利昂公司 | hemostatic fabric |
| CN201675065U (en) * | 2010-04-11 | 2010-12-22 | 武玲娟 | Anti-theft clothes pocket |
| CN105568503A (en) * | 2016-02-26 | 2016-05-11 | 盐城工业职业技术学院 | Water drop sensor fabric and production method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101389318A (en) * | 2006-01-11 | 2009-03-18 | 恩特格利昂公司 | hemostatic fabric |
| CN201675065U (en) * | 2010-04-11 | 2010-12-22 | 武玲娟 | Anti-theft clothes pocket |
| CN105568503A (en) * | 2016-02-26 | 2016-05-11 | 盐城工业职业技术学院 | Water drop sensor fabric and production method thereof |
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